diff options
Diffstat (limited to 'src/core')
153 files changed, 3083 insertions, 966 deletions
diff --git a/src/core/README.md b/src/core/README.md index 44c6f24772..130d2652b3 100644 --- a/src/core/README.md +++ b/src/core/README.md @@ -1,4 +1,4 @@ -#Overview +# Overview This directory contains source code for C library (a.k.a the *gRPC C core*) that provides all gRPC's core functionality through a low level API. Libraries in other languages in this repository (C++, Ruby, Python, PHP, NodeJS, Objective-C) are layered on top of this library. diff --git a/src/core/ext/census/gen/README.md b/src/core/ext/census/gen/README.md index fdbac1084c..d4612bc7c8 100644 --- a/src/core/ext/census/gen/README.md +++ b/src/core/ext/census/gen/README.md @@ -1,6 +1,6 @@ Files generated for use by Census stats and trace recording subsystem. -#Files +# Files * census.pb.{h,c} - Generated from src/core/ext/census/census.proto, using the script `tools/codegen/core/gen_nano_proto.sh src/proto/census/census.proto $PWD/src/core/ext/census/gen src/core/ext/census/gen` diff --git a/src/core/ext/census/gen/trace_context.pb.h b/src/core/ext/census/gen/trace_context.pb.h index ea127bf70a..6fafc04c81 100644 --- a/src/core/ext/census/gen/trace_context.pb.h +++ b/src/core/ext/census/gen/trace_context.pb.h @@ -90,4 +90,4 @@ extern const pb_field_t google_trace_TraceContext_fields[5]; #endif /* @@protoc_insertion_point(eof) */ -#endif +#endif /* GRPC_CORE_EXT_CENSUS_GEN_TRACE_CONTEXT_PB_H */ diff --git a/src/core/ext/census/grpc_filter.c b/src/core/ext/census/grpc_filter.c index fc29dbd454..bcf59a4efe 100644 --- a/src/core/ext/census/grpc_filter.c +++ b/src/core/ext/census/grpc_filter.c @@ -74,17 +74,18 @@ static void extract_and_annotate_method_tag(grpc_metadata_batch *md, } static void client_mutate_op(grpc_call_element *elem, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { call_data *calld = elem->call_data; channel_data *chand = elem->channel_data; if (op->send_initial_metadata) { - extract_and_annotate_method_tag(op->send_initial_metadata, calld, chand); + extract_and_annotate_method_tag( + op->payload->send_initial_metadata.send_initial_metadata, calld, chand); } } static void client_start_transport_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { client_mutate_op(elem, op); grpc_call_next_op(exec_ctx, elem, op); } @@ -103,19 +104,22 @@ static void server_on_done_recv(grpc_exec_ctx *exec_ctx, void *ptr, } static void server_mutate_op(grpc_call_element *elem, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { call_data *calld = elem->call_data; if (op->recv_initial_metadata) { /* substitute our callback for the op callback */ - calld->recv_initial_metadata = op->recv_initial_metadata; - calld->on_done_recv = op->recv_initial_metadata_ready; - op->recv_initial_metadata_ready = &calld->finish_recv; + calld->recv_initial_metadata = + op->payload->recv_initial_metadata.recv_initial_metadata; + calld->on_done_recv = + op->payload->recv_initial_metadata.recv_initial_metadata_ready; + op->payload->recv_initial_metadata.recv_initial_metadata_ready = + &calld->finish_recv; } } static void server_start_transport_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { /* TODO(ctiller): this code fails. I don't know why. I expect it's incomplete, and someone should look at it soon. diff --git a/src/core/ext/census/grpc_plugin.c b/src/core/ext/census/grpc_plugin.c index c9fe453af8..28d266e22a 100644 --- a/src/core/ext/census/grpc_plugin.c +++ b/src/core/ext/census/grpc_plugin.c @@ -48,7 +48,7 @@ static bool is_census_enabled(const grpc_channel_args *a) { return a->args[i].value.integer != 0 && census_enabled(); } } - return census_enabled(); + return census_enabled() && !grpc_channel_args_want_minimal_stack(a); } static bool maybe_add_census_filter(grpc_exec_ctx *exec_ctx, diff --git a/src/core/ext/census/trace_label.h b/src/core/ext/census/trace_label.h index 0e4a8d885f..701f6f5a63 100644 --- a/src/core/ext/census/trace_label.h +++ b/src/core/ext/census/trace_label.h @@ -58,4 +58,4 @@ typedef struct trace_label { } value; } trace_label; -#endif +#endif /* GRPC_CORE_EXT_CENSUS_TRACE_LABEL_H */ diff --git a/src/core/ext/census/trace_propagation.h b/src/core/ext/census/trace_propagation.h index 75c4ebaa39..0c27bfa111 100644 --- a/src/core/ext/census/trace_propagation.h +++ b/src/core/ext/census/trace_propagation.h @@ -60,4 +60,4 @@ size_t trace_span_context_to_http_format(const trace_span_context *ctxt, size_t http_format_to_trace_span_context(const char *buf, size_t buf_size, trace_span_context *ctxt); -#endif +#endif /* GRPC_CORE_EXT_CENSUS_TRACE_PROPAGATION_H */ diff --git a/src/core/ext/census/trace_status.h b/src/core/ext/census/trace_status.h index adc0ebd0c0..0734ec6d3d 100644 --- a/src/core/ext/census/trace_status.h +++ b/src/core/ext/census/trace_status.h @@ -42,4 +42,4 @@ typedef struct trace_status { trace_string errorMessage; } trace_status; -#endif +#endif /* GRPC_CORE_EXT_CENSUS_TRACE_STATUS_H */ diff --git a/src/core/ext/census/trace_string.h b/src/core/ext/census/trace_string.h index 8e77ee9f7e..cd63cfb92f 100644 --- a/src/core/ext/census/trace_string.h +++ b/src/core/ext/census/trace_string.h @@ -47,4 +47,4 @@ typedef struct trace_string { size_t length; } trace_string; -#endif +#endif /* GRPC_CORE_EXT_CENSUS_TRACE_STRING_H */ diff --git a/src/core/ext/census/tracing.h b/src/core/ext/census/tracing.h index c2b947ae40..3a7c6f45e4 100644 --- a/src/core/ext/census/tracing.h +++ b/src/core/ext/census/tracing.h @@ -121,4 +121,4 @@ free to ignore all further calls using the Span. EndSpanOptions can optionally be NULL. */ void trace_end_span(const trace_status *status, trace_span_context *span_ctxt); -#endif +#endif /* GRPC_CORE_EXT_CENSUS_TRACING_H */ diff --git a/src/core/ext/client_channel/README.md b/src/core/ext/filters/client_channel/README.md index 7c209db12e..7c209db12e 100644 --- a/src/core/ext/client_channel/README.md +++ b/src/core/ext/filters/client_channel/README.md diff --git a/src/core/ext/client_channel/channel_connectivity.c b/src/core/ext/filters/client_channel/channel_connectivity.c index f6cb3b9115..62f58fb278 100644 --- a/src/core/ext/client_channel/channel_connectivity.c +++ b/src/core/ext/filters/client_channel/channel_connectivity.c @@ -36,7 +36,7 @@ #include <grpc/support/alloc.h> #include <grpc/support/log.h> -#include "src/core/ext/client_channel/client_channel.h" +#include "src/core/ext/filters/client_channel/client_channel.h" #include "src/core/lib/iomgr/timer.h" #include "src/core/lib/surface/api_trace.h" #include "src/core/lib/surface/completion_queue.h" diff --git a/src/core/ext/client_channel/client_channel.c b/src/core/ext/filters/client_channel/client_channel.c index 435a3ab0fe..93ad53aab9 100644 --- a/src/core/ext/client_channel/client_channel.c +++ b/src/core/ext/filters/client_channel/client_channel.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/client_channel.h" +#include "src/core/ext/filters/client_channel/client_channel.h" #include <stdbool.h> #include <stdio.h> @@ -43,12 +43,12 @@ #include <grpc/support/sync.h> #include <grpc/support/useful.h> -#include "src/core/ext/client_channel/http_connect_handshaker.h" -#include "src/core/ext/client_channel/lb_policy_registry.h" -#include "src/core/ext/client_channel/proxy_mapper_registry.h" -#include "src/core/ext/client_channel/resolver_registry.h" -#include "src/core/ext/client_channel/retry_throttle.h" -#include "src/core/ext/client_channel/subchannel.h" +#include "src/core/ext/filters/client_channel/http_connect_handshaker.h" +#include "src/core/ext/filters/client_channel/lb_policy_registry.h" +#include "src/core/ext/filters/client_channel/proxy_mapper_registry.h" +#include "src/core/ext/filters/client_channel/resolver_registry.h" +#include "src/core/ext/filters/client_channel/retry_throttle.h" +#include "src/core/ext/filters/client_channel/subchannel.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/channel/connected_channel.h" #include "src/core/lib/channel/deadline_filter.h" @@ -374,8 +374,7 @@ static void on_resolver_result_changed_locked(grpc_exec_ctx *exec_ctx, // resolver actually specified. channel_arg = grpc_channel_args_find(chand->resolver_result, GRPC_ARG_LB_ADDRESSES); - if (channel_arg != NULL) { - GPR_ASSERT(channel_arg->type == GRPC_ARG_POINTER); + if (channel_arg != NULL && channel_arg->type == GRPC_ARG_POINTER) { grpc_lb_addresses *addresses = channel_arg->value.pointer.p; bool found_backend_address = false; for (size_t i = 0; i < addresses->num_addresses; ++i) { @@ -533,7 +532,7 @@ static void on_resolver_result_changed_locked(grpc_exec_ctx *exec_ctx, static void start_transport_op_locked(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error_ignored) { grpc_transport_op *op = arg; - grpc_channel_element *elem = op->transport_private.args[0]; + grpc_channel_element *elem = op->handler_private.extra_arg; channel_data *chand = elem->channel_data; if (op->on_connectivity_state_change != NULL) { @@ -595,12 +594,12 @@ static void cc_start_transport_op(grpc_exec_ctx *exec_ctx, op->bind_pollset); } - op->transport_private.args[0] = elem; + op->handler_private.extra_arg = elem; GRPC_CHANNEL_STACK_REF(chand->owning_stack, "start_transport_op"); grpc_closure_sched( - exec_ctx, grpc_closure_init( - &op->transport_private.closure, start_transport_op_locked, - op, grpc_combiner_scheduler(chand->combiner, false)), + exec_ctx, + grpc_closure_init(&op->handler_private.closure, start_transport_op_locked, + op, grpc_combiner_scheduler(chand->combiner, false)), GRPC_ERROR_NONE); } @@ -643,14 +642,26 @@ static grpc_error *cc_init_channel_elem(grpc_exec_ctx *exec_ctx, // Record client channel factory. const grpc_arg *arg = grpc_channel_args_find(args->channel_args, GRPC_ARG_CLIENT_CHANNEL_FACTORY); - GPR_ASSERT(arg != NULL); - GPR_ASSERT(arg->type == GRPC_ARG_POINTER); + if (arg == NULL) { + return GRPC_ERROR_CREATE_FROM_STATIC_STRING( + "Missing client channel factory in args for client channel filter"); + } + if (arg->type != GRPC_ARG_POINTER) { + return GRPC_ERROR_CREATE_FROM_STATIC_STRING( + "client channel factory arg must be a pointer"); + } grpc_client_channel_factory_ref(arg->value.pointer.p); chand->client_channel_factory = arg->value.pointer.p; // Get server name to resolve, using proxy mapper if needed. arg = grpc_channel_args_find(args->channel_args, GRPC_ARG_SERVER_URI); - GPR_ASSERT(arg != NULL); - GPR_ASSERT(arg->type == GRPC_ARG_STRING); + if (arg == NULL) { + return GRPC_ERROR_CREATE_FROM_STATIC_STRING( + "Missing server uri in args for client channel filter"); + } + if (arg->type != GRPC_ARG_STRING) { + return GRPC_ERROR_CREATE_FROM_STATIC_STRING( + "server uri arg must be a string"); + } char *proxy_name = NULL; grpc_channel_args *new_args = NULL; grpc_proxy_mappers_map_name(exec_ctx, arg->value.string, args->channel_args, @@ -755,7 +766,7 @@ typedef struct client_channel_call_data { grpc_connected_subchannel *connected_subchannel; grpc_polling_entity *pollent; - grpc_transport_stream_op **waiting_ops; + grpc_transport_stream_op_batch **waiting_ops; size_t waiting_ops_count; size_t waiting_ops_capacity; @@ -775,7 +786,8 @@ grpc_subchannel_call *grpc_client_channel_get_subchannel_call( return scc == CANCELLED_CALL ? NULL : scc; } -static void add_waiting_locked(call_data *calld, grpc_transport_stream_op *op) { +static void add_waiting_locked(call_data *calld, + grpc_transport_stream_op_batch *op) { GPR_TIMER_BEGIN("add_waiting_locked", 0); if (calld->waiting_ops_count == calld->waiting_ops_capacity) { calld->waiting_ops_capacity = GPR_MAX(3, 2 * calld->waiting_ops_capacity); @@ -791,7 +803,7 @@ static void fail_locked(grpc_exec_ctx *exec_ctx, call_data *calld, grpc_error *error) { size_t i; for (i = 0; i < calld->waiting_ops_count; i++) { - grpc_transport_stream_op_finish_with_failure( + grpc_transport_stream_op_batch_finish_with_failure( exec_ctx, calld->waiting_ops[i], GRPC_ERROR_REF(error)); } calld->waiting_ops_count = 0; @@ -804,7 +816,7 @@ static void retry_waiting_locked(grpc_exec_ctx *exec_ctx, call_data *calld) { } grpc_subchannel_call *call = GET_CALL(calld); - grpc_transport_stream_op **ops = calld->waiting_ops; + grpc_transport_stream_op_batch **ops = calld->waiting_ops; size_t nops = calld->waiting_ops_count; if (call == CANCELLED_CALL) { fail_locked(exec_ctx, calld, GRPC_ERROR_CANCELLED); @@ -1052,9 +1064,9 @@ static bool pick_subchannel_locked( return false; } -static void start_transport_stream_op_locked_inner(grpc_exec_ctx *exec_ctx, - grpc_transport_stream_op *op, - grpc_call_element *elem) { +static void start_transport_stream_op_batch_locked_inner( + grpc_exec_ctx *exec_ctx, grpc_transport_stream_op_batch *op, + grpc_call_element *elem) { channel_data *chand = elem->channel_data; call_data *calld = elem->call_data; grpc_subchannel_call *call; @@ -1062,7 +1074,7 @@ static void start_transport_stream_op_locked_inner(grpc_exec_ctx *exec_ctx, /* need to recheck that another thread hasn't set the call */ call = GET_CALL(calld); if (call == CANCELLED_CALL) { - grpc_transport_stream_op_finish_with_failure( + grpc_transport_stream_op_batch_finish_with_failure( exec_ctx, op, GRPC_ERROR_REF(calld->cancel_error)); /* early out */ return; @@ -1073,11 +1085,11 @@ static void start_transport_stream_op_locked_inner(grpc_exec_ctx *exec_ctx, return; } /* if this is a cancellation, then we can raise our cancelled flag */ - if (op->cancel_error != GRPC_ERROR_NONE) { + if (op->cancel_stream) { if (!gpr_atm_rel_cas(&calld->subchannel_call, 0, (gpr_atm)(uintptr_t)CANCELLED_CALL)) { /* recurse to retry */ - start_transport_stream_op_locked_inner(exec_ctx, op, elem); + start_transport_stream_op_batch_locked_inner(exec_ctx, op, elem); /* early out */ return; } else { @@ -1086,27 +1098,29 @@ static void start_transport_stream_op_locked_inner(grpc_exec_ctx *exec_ctx, cancelled before any ops are passed down (e.g., if the deadline is in the past when the call starts), we can return the right error to the caller when the first op does get passed down. */ - calld->cancel_error = GRPC_ERROR_REF(op->cancel_error); + calld->cancel_error = + GRPC_ERROR_REF(op->payload->cancel_stream.cancel_error); switch (calld->creation_phase) { case GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING: - fail_locked(exec_ctx, calld, GRPC_ERROR_REF(op->cancel_error)); + fail_locked(exec_ctx, calld, + GRPC_ERROR_REF(op->payload->cancel_stream.cancel_error)); break; case GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL: - pick_subchannel_locked(exec_ctx, elem, NULL, 0, - &calld->connected_subchannel, NULL, - GRPC_ERROR_REF(op->cancel_error)); + pick_subchannel_locked( + exec_ctx, elem, NULL, 0, &calld->connected_subchannel, NULL, + GRPC_ERROR_REF(op->payload->cancel_stream.cancel_error)); break; } - grpc_transport_stream_op_finish_with_failure( - exec_ctx, op, GRPC_ERROR_REF(op->cancel_error)); + grpc_transport_stream_op_batch_finish_with_failure( + exec_ctx, op, + GRPC_ERROR_REF(op->payload->cancel_stream.cancel_error)); /* early out */ return; } } /* if we don't have a subchannel, try to get one */ if (calld->creation_phase == GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING && - calld->connected_subchannel == NULL && - op->send_initial_metadata != NULL) { + calld->connected_subchannel == NULL && op->send_initial_metadata) { calld->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL; grpc_closure_init(&calld->next_step, subchannel_ready_locked, elem, grpc_combiner_scheduler(chand->combiner, true)); @@ -1114,10 +1128,11 @@ static void start_transport_stream_op_locked_inner(grpc_exec_ctx *exec_ctx, /* If a subchannel is not available immediately, the polling entity from call_data should be provided to channel_data's interested_parties, so that IO of the lb_policy and resolver could be done under it. */ - if (pick_subchannel_locked(exec_ctx, elem, op->send_initial_metadata, - op->send_initial_metadata_flags, - &calld->connected_subchannel, &calld->next_step, - GRPC_ERROR_NONE)) { + if (pick_subchannel_locked( + exec_ctx, elem, + op->payload->send_initial_metadata.send_initial_metadata, + op->payload->send_initial_metadata.send_initial_metadata_flags, + &calld->connected_subchannel, &calld->next_step, GRPC_ERROR_NONE)) { calld->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING; GRPC_CALL_STACK_UNREF(exec_ctx, calld->owning_call, "pick_subchannel"); } else { @@ -1140,13 +1155,13 @@ static void start_transport_stream_op_locked_inner(grpc_exec_ctx *exec_ctx, if (error != GRPC_ERROR_NONE) { subchannel_call = CANCELLED_CALL; fail_locked(exec_ctx, calld, GRPC_ERROR_REF(error)); - grpc_transport_stream_op_finish_with_failure(exec_ctx, op, error); + grpc_transport_stream_op_batch_finish_with_failure(exec_ctx, op, error); } gpr_atm_rel_store(&calld->subchannel_call, (gpr_atm)(uintptr_t)subchannel_call); retry_waiting_locked(exec_ctx, calld); /* recurse to retry */ - start_transport_stream_op_locked_inner(exec_ctx, op, elem); + start_transport_stream_op_batch_locked_inner(exec_ctx, op, elem); /* early out */ return; } @@ -1174,15 +1189,16 @@ static void on_complete(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { GRPC_ERROR_REF(error)); } -static void start_transport_stream_op_locked(grpc_exec_ctx *exec_ctx, void *arg, - grpc_error *error_ignored) { - GPR_TIMER_BEGIN("start_transport_stream_op_locked", 0); +static void start_transport_stream_op_batch_locked(grpc_exec_ctx *exec_ctx, + void *arg, + grpc_error *error_ignored) { + GPR_TIMER_BEGIN("start_transport_stream_op_batch_locked", 0); - grpc_transport_stream_op *op = arg; - grpc_call_element *elem = op->handler_private.args[0]; + grpc_transport_stream_op_batch *op = arg; + grpc_call_element *elem = op->handler_private.extra_arg; call_data *calld = elem->call_data; - if (op->recv_trailing_metadata != NULL) { + if (op->recv_trailing_metadata) { GPR_ASSERT(op->on_complete != NULL); calld->original_on_complete = op->on_complete; grpc_closure_init(&calld->on_complete, on_complete, elem, @@ -1190,11 +1206,11 @@ static void start_transport_stream_op_locked(grpc_exec_ctx *exec_ctx, void *arg, op->on_complete = &calld->on_complete; } - start_transport_stream_op_locked_inner(exec_ctx, op, elem); + start_transport_stream_op_batch_locked_inner(exec_ctx, op, elem); GRPC_CALL_STACK_UNREF(exec_ctx, calld->owning_call, - "start_transport_stream_op"); - GPR_TIMER_END("start_transport_stream_op_locked", 0); + "start_transport_stream_op_batch"); + GPR_TIMER_END("start_transport_stream_op_batch_locked", 0); } /* The logic here is fairly complicated, due to (a) the fact that we @@ -1205,39 +1221,40 @@ static void start_transport_stream_op_locked(grpc_exec_ctx *exec_ctx, void *arg, We use double-checked locking to initially see if initialization has been performed. If it has not, we acquire the combiner and perform initialization. If it has, we proceed on the fast path. */ -static void cc_start_transport_stream_op(grpc_exec_ctx *exec_ctx, - grpc_call_element *elem, - grpc_transport_stream_op *op) { +static void cc_start_transport_stream_op_batch( + grpc_exec_ctx *exec_ctx, grpc_call_element *elem, + grpc_transport_stream_op_batch *op) { call_data *calld = elem->call_data; channel_data *chand = elem->channel_data; GRPC_CALL_LOG_OP(GPR_INFO, elem, op); - grpc_deadline_state_client_start_transport_stream_op(exec_ctx, elem, op); + grpc_deadline_state_client_start_transport_stream_op_batch(exec_ctx, elem, + op); /* try to (atomically) get the call */ grpc_subchannel_call *call = GET_CALL(calld); - GPR_TIMER_BEGIN("cc_start_transport_stream_op", 0); + GPR_TIMER_BEGIN("cc_start_transport_stream_op_batch", 0); if (call == CANCELLED_CALL) { - grpc_transport_stream_op_finish_with_failure( + grpc_transport_stream_op_batch_finish_with_failure( exec_ctx, op, GRPC_ERROR_REF(calld->cancel_error)); - GPR_TIMER_END("cc_start_transport_stream_op", 0); + GPR_TIMER_END("cc_start_transport_stream_op_batch", 0); /* early out */ return; } if (call != NULL) { grpc_subchannel_call_process_op(exec_ctx, call, op); - GPR_TIMER_END("cc_start_transport_stream_op", 0); + GPR_TIMER_END("cc_start_transport_stream_op_batch", 0); /* early out */ return; } /* we failed; lock and figure out what to do */ - GRPC_CALL_STACK_REF(calld->owning_call, "start_transport_stream_op"); - op->handler_private.args[0] = elem; + GRPC_CALL_STACK_REF(calld->owning_call, "start_transport_stream_op_batch"); + op->handler_private.extra_arg = elem; grpc_closure_sched( exec_ctx, grpc_closure_init(&op->handler_private.closure, - start_transport_stream_op_locked, op, + start_transport_stream_op_batch_locked, op, grpc_combiner_scheduler(chand->combiner, false)), GRPC_ERROR_NONE); - GPR_TIMER_END("cc_start_transport_stream_op", 0); + GPR_TIMER_END("cc_start_transport_stream_op_batch", 0); } /* Constructor for call_data */ @@ -1296,7 +1313,7 @@ static void cc_set_pollset_or_pollset_set(grpc_exec_ctx *exec_ctx, */ const grpc_channel_filter grpc_client_channel_filter = { - cc_start_transport_stream_op, + cc_start_transport_stream_op_batch, cc_start_transport_op, sizeof(call_data), cc_init_call_elem, diff --git a/src/core/ext/client_channel/client_channel.h b/src/core/ext/filters/client_channel/client_channel.h index 5e6e64e58b..8d2490ea55 100644 --- a/src/core/ext/client_channel/client_channel.h +++ b/src/core/ext/filters/client_channel/client_channel.h @@ -31,11 +31,11 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_CLIENT_CHANNEL_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_CLIENT_CHANNEL_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CLIENT_CHANNEL_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CLIENT_CHANNEL_H -#include "src/core/ext/client_channel/client_channel_factory.h" -#include "src/core/ext/client_channel/resolver.h" +#include "src/core/ext/filters/client_channel/client_channel_factory.h" +#include "src/core/ext/filters/client_channel/resolver.h" #include "src/core/lib/channel/channel_stack.h" // Channel arg key for server URI string. @@ -61,4 +61,4 @@ void grpc_client_channel_watch_connectivity_state( grpc_subchannel_call *grpc_client_channel_get_subchannel_call( grpc_call_element *elem); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_CLIENT_CHANNEL_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CLIENT_CHANNEL_H */ diff --git a/src/core/ext/client_channel/client_channel_factory.c b/src/core/ext/filters/client_channel/client_channel_factory.c index d2707a1556..44e83b54b5 100644 --- a/src/core/ext/client_channel/client_channel_factory.c +++ b/src/core/ext/filters/client_channel/client_channel_factory.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/client_channel_factory.h" +#include "src/core/ext/filters/client_channel/client_channel_factory.h" void grpc_client_channel_factory_ref(grpc_client_channel_factory* factory) { factory->vtable->ref(factory); diff --git a/src/core/ext/client_channel/client_channel_factory.h b/src/core/ext/filters/client_channel/client_channel_factory.h index bf2764b537..2355588f18 100644 --- a/src/core/ext/client_channel/client_channel_factory.h +++ b/src/core/ext/filters/client_channel/client_channel_factory.h @@ -31,12 +31,12 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_CLIENT_CHANNEL_FACTORY_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_CLIENT_CHANNEL_FACTORY_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CLIENT_CHANNEL_FACTORY_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CLIENT_CHANNEL_FACTORY_H #include <grpc/impl/codegen/grpc_types.h> -#include "src/core/ext/client_channel/subchannel.h" +#include "src/core/ext/filters/client_channel/subchannel.h" #include "src/core/lib/channel/channel_stack.h" // Channel arg key for client channel factory. @@ -89,4 +89,4 @@ grpc_channel *grpc_client_channel_factory_create_channel( grpc_arg grpc_client_channel_factory_create_channel_arg( grpc_client_channel_factory *factory); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_CLIENT_CHANNEL_FACTORY_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CLIENT_CHANNEL_FACTORY_H */ diff --git a/src/core/ext/client_channel/client_channel_plugin.c b/src/core/ext/filters/client_channel/client_channel_plugin.c index f51277d0b2..944af01af4 100644 --- a/src/core/ext/client_channel/client_channel_plugin.c +++ b/src/core/ext/filters/client_channel/client_channel_plugin.c @@ -37,14 +37,14 @@ #include <grpc/support/alloc.h> -#include "src/core/ext/client_channel/client_channel.h" -#include "src/core/ext/client_channel/http_connect_handshaker.h" -#include "src/core/ext/client_channel/http_proxy.h" -#include "src/core/ext/client_channel/lb_policy_registry.h" -#include "src/core/ext/client_channel/proxy_mapper_registry.h" -#include "src/core/ext/client_channel/resolver_registry.h" -#include "src/core/ext/client_channel/retry_throttle.h" -#include "src/core/ext/client_channel/subchannel_index.h" +#include "src/core/ext/filters/client_channel/client_channel.h" +#include "src/core/ext/filters/client_channel/http_connect_handshaker.h" +#include "src/core/ext/filters/client_channel/http_proxy.h" +#include "src/core/ext/filters/client_channel/lb_policy_registry.h" +#include "src/core/ext/filters/client_channel/proxy_mapper_registry.h" +#include "src/core/ext/filters/client_channel/resolver_registry.h" +#include "src/core/ext/filters/client_channel/retry_throttle.h" +#include "src/core/ext/filters/client_channel/subchannel_index.h" #include "src/core/lib/surface/channel_init.h" static bool append_filter(grpc_exec_ctx *exec_ctx, diff --git a/src/core/ext/client_channel/connector.c b/src/core/ext/filters/client_channel/connector.c index 7a720fd1bd..51c1d7ece7 100644 --- a/src/core/ext/client_channel/connector.c +++ b/src/core/ext/filters/client_channel/connector.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/connector.h" +#include "src/core/ext/filters/client_channel/connector.h" grpc_connector* grpc_connector_ref(grpc_connector* connector) { connector->vtable->ref(connector); diff --git a/src/core/ext/client_channel/connector.h b/src/core/ext/filters/client_channel/connector.h index 94b5fb5c9e..23040c3e23 100644 --- a/src/core/ext/client_channel/connector.h +++ b/src/core/ext/filters/client_channel/connector.h @@ -31,8 +31,8 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_CONNECTOR_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_CONNECTOR_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CONNECTOR_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CONNECTOR_H #include "src/core/lib/channel/channel_stack.h" #include "src/core/lib/iomgr/resolve_address.h" @@ -85,4 +85,4 @@ void grpc_connector_connect(grpc_exec_ctx *exec_ctx, grpc_connector *connector, void grpc_connector_shutdown(grpc_exec_ctx *exec_ctx, grpc_connector *connector, grpc_error *why); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_CONNECTOR_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CONNECTOR_H */ diff --git a/src/core/ext/client_channel/http_connect_handshaker.c b/src/core/ext/filters/client_channel/http_connect_handshaker.c index 778d76c39f..c09a863d00 100644 --- a/src/core/ext/client_channel/http_connect_handshaker.c +++ b/src/core/ext/filters/client_channel/http_connect_handshaker.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/http_connect_handshaker.h" +#include "src/core/ext/filters/client_channel/http_connect_handshaker.h" #include <string.h> @@ -40,9 +40,9 @@ #include <grpc/support/log.h> #include <grpc/support/string_util.h> -#include "src/core/ext/client_channel/client_channel.h" -#include "src/core/ext/client_channel/resolver_registry.h" -#include "src/core/ext/client_channel/uri_parser.h" +#include "src/core/ext/filters/client_channel/client_channel.h" +#include "src/core/ext/filters/client_channel/resolver_registry.h" +#include "src/core/ext/filters/client_channel/uri_parser.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/channel/handshaker_registry.h" #include "src/core/lib/http/format_request.h" diff --git a/src/core/ext/client_channel/http_connect_handshaker.h b/src/core/ext/filters/client_channel/http_connect_handshaker.h index 3059d551e3..6d7c204d71 100644 --- a/src/core/ext/client_channel/http_connect_handshaker.h +++ b/src/core/ext/filters/client_channel/http_connect_handshaker.h @@ -31,8 +31,8 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_HTTP_CONNECT_HANDSHAKER_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_HTTP_CONNECT_HANDSHAKER_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_HTTP_CONNECT_HANDSHAKER_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_HTTP_CONNECT_HANDSHAKER_H /// Channel arg indicating the server in HTTP CONNECT request (string). /// The presence of this arg triggers the use of HTTP CONNECT. @@ -46,4 +46,4 @@ /// Registers handshaker factory. void grpc_http_connect_register_handshaker_factory(); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_HTTP_CONNECT_HANDSHAKER_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_HTTP_CONNECT_HANDSHAKER_H */ diff --git a/src/core/ext/client_channel/http_proxy.c b/src/core/ext/filters/client_channel/http_proxy.c index e280cef101..f8a2d06b8a 100644 --- a/src/core/ext/client_channel/http_proxy.c +++ b/src/core/ext/filters/client_channel/http_proxy.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/http_proxy.h" +#include "src/core/ext/filters/client_channel/http_proxy.h" #include <stdbool.h> #include <string.h> @@ -40,9 +40,9 @@ #include <grpc/support/log.h> #include <grpc/support/string_util.h> -#include "src/core/ext/client_channel/http_connect_handshaker.h" -#include "src/core/ext/client_channel/proxy_mapper_registry.h" -#include "src/core/ext/client_channel/uri_parser.h" +#include "src/core/ext/filters/client_channel/http_connect_handshaker.h" +#include "src/core/ext/filters/client_channel/proxy_mapper_registry.h" +#include "src/core/ext/filters/client_channel/uri_parser.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/support/env.h" diff --git a/src/core/ext/client_channel/http_proxy.h b/src/core/ext/filters/client_channel/http_proxy.h index c8882b1ef1..f0df74bbda 100644 --- a/src/core/ext/client_channel/http_proxy.h +++ b/src/core/ext/filters/client_channel/http_proxy.h @@ -31,9 +31,9 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_HTTP_PROXY_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_HTTP_PROXY_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_HTTP_PROXY_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_HTTP_PROXY_H void grpc_register_http_proxy_mapper(); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_HTTP_PROXY_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_HTTP_PROXY_H */ diff --git a/src/core/ext/client_channel/lb_policy.c b/src/core/ext/filters/client_channel/lb_policy.c index aba51add53..2d31499d13 100644 --- a/src/core/ext/client_channel/lb_policy.c +++ b/src/core/ext/filters/client_channel/lb_policy.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/lb_policy.h" +#include "src/core/ext/filters/client_channel/lb_policy.h" #include "src/core/lib/iomgr/combiner.h" #define WEAK_REF_BITS 16 diff --git a/src/core/ext/client_channel/lb_policy.h b/src/core/ext/filters/client_channel/lb_policy.h index 3405709c2c..25427666ae 100644 --- a/src/core/ext/client_channel/lb_policy.h +++ b/src/core/ext/filters/client_channel/lb_policy.h @@ -31,10 +31,10 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_H -#include "src/core/ext/client_channel/subchannel.h" +#include "src/core/ext/filters/client_channel/subchannel.h" #include "src/core/lib/iomgr/polling_entity.h" #include "src/core/lib/transport/connectivity_state.h" @@ -206,4 +206,4 @@ grpc_connectivity_state grpc_lb_policy_check_connectivity_locked( grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy, grpc_error **connectivity_error); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_H */ diff --git a/src/core/ext/lb_policy/grpclb/grpclb.c b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.c index 601b0e643b..ff8d319309 100644 --- a/src/core/ext/lb_policy/grpclb/grpclb.c +++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.c @@ -106,14 +106,14 @@ #include <grpc/support/string_util.h> #include <grpc/support/time.h> -#include "src/core/ext/client_channel/client_channel.h" -#include "src/core/ext/client_channel/client_channel_factory.h" -#include "src/core/ext/client_channel/lb_policy_factory.h" -#include "src/core/ext/client_channel/lb_policy_registry.h" -#include "src/core/ext/client_channel/parse_address.h" -#include "src/core/ext/lb_policy/grpclb/grpclb.h" -#include "src/core/ext/lb_policy/grpclb/grpclb_channel.h" -#include "src/core/ext/lb_policy/grpclb/load_balancer_api.h" +#include "src/core/ext/filters/client_channel/client_channel.h" +#include "src/core/ext/filters/client_channel/client_channel_factory.h" +#include "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.h" +#include "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h" +#include "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h" +#include "src/core/ext/filters/client_channel/lb_policy_factory.h" +#include "src/core/ext/filters/client_channel/lb_policy_registry.h" +#include "src/core/ext/filters/client_channel/parse_address.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/iomgr/combiner.h" #include "src/core/lib/iomgr/sockaddr.h" @@ -847,7 +847,9 @@ static grpc_lb_policy *glb_create(grpc_exec_ctx *exec_ctx, * this is the right LB policy to use. */ const grpc_arg *arg = grpc_channel_args_find(args->args, GRPC_ARG_LB_ADDRESSES); - GPR_ASSERT(arg != NULL && arg->type == GRPC_ARG_POINTER); + if (arg == NULL || arg->type != GRPC_ARG_POINTER) { + return NULL; + } grpc_lb_addresses *addresses = arg->value.pointer.p; size_t num_grpclb_addrs = 0; for (size_t i = 0; i < addresses->num_addresses; ++i) { diff --git a/src/core/ext/lb_policy/grpclb/grpclb.h b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.h index ff23f3a545..b069fae2f8 100644 --- a/src/core/ext/lb_policy/grpclb/grpclb.h +++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.h @@ -31,14 +31,14 @@ * */ -#ifndef GRPC_CORE_EXT_LB_POLICY_GRPCLB_GRPCLB_H -#define GRPC_CORE_EXT_LB_POLICY_GRPCLB_GRPCLB_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_GRPCLB_GRPCLB_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_GRPCLB_GRPCLB_H -#include "src/core/ext/client_channel/lb_policy_factory.h" +#include "src/core/ext/filters/client_channel/lb_policy_factory.h" /** Returns a load balancing factory for the glb policy, which tries to connect * to a load balancing server to decide the next successfully connected * subchannel to pick. */ grpc_lb_policy_factory *grpc_glb_lb_factory_create(); -#endif /* GRPC_CORE_EXT_LB_POLICY_GRPCLB_GRPCLB_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_GRPCLB_GRPCLB_H */ diff --git a/src/core/ext/lb_policy/grpclb/grpclb_channel.c b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.c index 1b8bbab1b6..d6201f2387 100644 --- a/src/core/ext/lb_policy/grpclb/grpclb_channel.c +++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.c @@ -34,8 +34,8 @@ #include <grpc/support/alloc.h> #include <grpc/support/string_util.h> -#include "src/core/ext/client_channel/client_channel.h" -#include "src/core/ext/lb_policy/grpclb/grpclb_channel.h" +#include "src/core/ext/filters/client_channel/client_channel.h" +#include "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/iomgr/sockaddr_utils.h" #include "src/core/lib/support/string.h" diff --git a/src/core/ext/lb_policy/grpclb/grpclb_channel.h b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h index f66082d78e..9730c971d9 100644 --- a/src/core/ext/lb_policy/grpclb/grpclb_channel.h +++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h @@ -31,10 +31,10 @@ * */ -#ifndef GRPC_CORE_EXT_LB_POLICY_GRPCLB_GRPCLB_CHANNEL_H -#define GRPC_CORE_EXT_LB_POLICY_GRPCLB_GRPCLB_CHANNEL_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_GRPCLB_GRPCLB_CHANNEL_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_GRPCLB_GRPCLB_CHANNEL_H -#include "src/core/ext/client_channel/lb_policy_factory.h" +#include "src/core/ext/filters/client_channel/lb_policy_factory.h" #include "src/core/lib/slice/slice_hash_table.h" /** Create the channel used for communicating with an LB service. @@ -53,4 +53,5 @@ grpc_channel_args *get_lb_channel_args(grpc_exec_ctx *exec_ctx, grpc_slice_hash_table *targets_info, const grpc_channel_args *args); -#endif /* GRPC_CORE_EXT_LB_POLICY_GRPCLB_GRPCLB_CHANNEL_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_GRPCLB_GRPCLB_CHANNEL_H \ + */ diff --git a/src/core/ext/lb_policy/grpclb/grpclb_channel_secure.c b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel_secure.c index 2fee5f1b8e..a145cba63c 100644 --- a/src/core/ext/lb_policy/grpclb/grpclb_channel_secure.c +++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel_secure.c @@ -34,8 +34,8 @@ #include <grpc/support/alloc.h> #include <grpc/support/string_util.h> -#include "src/core/ext/client_channel/client_channel.h" -#include "src/core/ext/lb_policy/grpclb/grpclb_channel.h" +#include "src/core/ext/filters/client_channel/client_channel.h" +#include "src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/iomgr/sockaddr_utils.h" #include "src/core/lib/security/credentials/credentials.h" diff --git a/src/core/ext/lb_policy/grpclb/load_balancer_api.c b/src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.c index 3c4604c402..10af252531 100644 --- a/src/core/ext/lb_policy/grpclb/load_balancer_api.c +++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/lb_policy/grpclb/load_balancer_api.h" +#include "src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h" #include "third_party/nanopb/pb_decode.h" #include "third_party/nanopb/pb_encode.h" diff --git a/src/core/ext/lb_policy/grpclb/load_balancer_api.h b/src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h index b4c967e426..d014b8800c 100644 --- a/src/core/ext/lb_policy/grpclb/load_balancer_api.h +++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.h @@ -31,13 +31,13 @@ * */ -#ifndef GRPC_CORE_EXT_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H -#define GRPC_CORE_EXT_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H #include <grpc/slice_buffer.h> -#include "src/core/ext/client_channel/lb_policy_factory.h" -#include "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h" +#include "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h" +#include "src/core/ext/filters/client_channel/lb_policy_factory.h" #ifdef __cplusplus extern "C" { @@ -101,4 +101,5 @@ void grpc_grpclb_initial_response_destroy( } #endif -#endif /* GRPC_CORE_EXT_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H \ + */ diff --git a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c b/src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c index e352e0396f..e9adf98711 100644 --- a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c +++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c @@ -1,7 +1,7 @@ /* Automatically generated nanopb constant definitions */ /* Generated by nanopb-0.3.7-dev */ -#include "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h" +#include "src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h" /* @@protoc_insertion_point(includes) */ #if PB_PROTO_HEADER_VERSION != 30 diff --git a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h b/src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h index 725aa7e386..725aa7e386 100644 --- a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h +++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h diff --git a/src/core/ext/lb_policy/pick_first/pick_first.c b/src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.c index fc65dfdcb9..2b77cd39b8 100644 --- a/src/core/ext/lb_policy/pick_first/pick_first.c +++ b/src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.c @@ -35,8 +35,8 @@ #include <grpc/support/alloc.h> -#include "src/core/ext/client_channel/lb_policy_registry.h" -#include "src/core/ext/client_channel/subchannel.h" +#include "src/core/ext/filters/client_channel/lb_policy_registry.h" +#include "src/core/ext/filters/client_channel/subchannel.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/iomgr/combiner.h" #include "src/core/lib/iomgr/sockaddr_utils.h" @@ -402,7 +402,9 @@ static grpc_lb_policy *create_pick_first(grpc_exec_ctx *exec_ctx, * addresses, since we don't know how to handle them. */ const grpc_arg *arg = grpc_channel_args_find(args->args, GRPC_ARG_LB_ADDRESSES); - GPR_ASSERT(arg != NULL && arg->type == GRPC_ARG_POINTER); + if (arg == NULL || arg->type != GRPC_ARG_POINTER) { + return NULL; + } grpc_lb_addresses *addresses = arg->value.pointer.p; size_t num_addrs = 0; for (size_t i = 0; i < addresses->num_addresses; i++) { diff --git a/src/core/ext/lb_policy/round_robin/round_robin.c b/src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.c index a62082a2ff..ff41e61b3e 100644 --- a/src/core/ext/lb_policy/round_robin/round_robin.c +++ b/src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.c @@ -63,8 +63,8 @@ #include <grpc/support/alloc.h> -#include "src/core/ext/client_channel/lb_policy_registry.h" -#include "src/core/ext/client_channel/subchannel.h" +#include "src/core/ext/filters/client_channel/lb_policy_registry.h" +#include "src/core/ext/filters/client_channel/subchannel.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/debug/trace.h" #include "src/core/lib/iomgr/combiner.h" @@ -691,7 +691,9 @@ static grpc_lb_policy *round_robin_create(grpc_exec_ctx *exec_ctx, * addresses, since we don't know how to handle them. */ const grpc_arg *arg = grpc_channel_args_find(args->args, GRPC_ARG_LB_ADDRESSES); - GPR_ASSERT(arg != NULL && arg->type == GRPC_ARG_POINTER); + if (arg == NULL || arg->type != GRPC_ARG_POINTER) { + return NULL; + } grpc_lb_addresses *addresses = arg->value.pointer.p; size_t num_addrs = 0; for (size_t i = 0; i < addresses->num_addresses; i++) { diff --git a/src/core/ext/client_channel/lb_policy_factory.c b/src/core/ext/filters/client_channel/lb_policy_factory.c index 7af9bb0411..e2af216b89 100644 --- a/src/core/ext/client_channel/lb_policy_factory.c +++ b/src/core/ext/filters/client_channel/lb_policy_factory.c @@ -36,7 +36,7 @@ #include <grpc/support/alloc.h> #include <grpc/support/string_util.h> -#include "src/core/ext/client_channel/lb_policy_factory.h" +#include "src/core/ext/filters/client_channel/lb_policy_factory.h" grpc_lb_addresses* grpc_lb_addresses_create( size_t num_addresses, const grpc_lb_user_data_vtable* user_data_vtable) { diff --git a/src/core/ext/client_channel/lb_policy_factory.h b/src/core/ext/filters/client_channel/lb_policy_factory.h index 27c12c0d73..81ab12ec8f 100644 --- a/src/core/ext/client_channel/lb_policy_factory.h +++ b/src/core/ext/filters/client_channel/lb_policy_factory.h @@ -31,11 +31,11 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_FACTORY_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_FACTORY_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_FACTORY_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_FACTORY_H -#include "src/core/ext/client_channel/client_channel_factory.h" -#include "src/core/ext/client_channel/lb_policy.h" +#include "src/core/ext/filters/client_channel/client_channel_factory.h" +#include "src/core/ext/filters/client_channel/lb_policy.h" #include "src/core/lib/iomgr/exec_ctx.h" #include "src/core/lib/iomgr/resolve_address.h" @@ -131,4 +131,4 @@ grpc_lb_policy *grpc_lb_policy_factory_create_lb_policy( grpc_exec_ctx *exec_ctx, grpc_lb_policy_factory *factory, grpc_lb_policy_args *args); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_FACTORY_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_FACTORY_H */ diff --git a/src/core/ext/client_channel/lb_policy_registry.c b/src/core/ext/filters/client_channel/lb_policy_registry.c index 90c149d947..1376673bca 100644 --- a/src/core/ext/client_channel/lb_policy_registry.c +++ b/src/core/ext/filters/client_channel/lb_policy_registry.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/lb_policy_registry.h" +#include "src/core/ext/filters/client_channel/lb_policy_registry.h" #include <string.h> diff --git a/src/core/ext/client_channel/lb_policy_registry.h b/src/core/ext/filters/client_channel/lb_policy_registry.h index 21c468e021..dfdec1347f 100644 --- a/src/core/ext/client_channel/lb_policy_registry.h +++ b/src/core/ext/filters/client_channel/lb_policy_registry.h @@ -31,10 +31,10 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_REGISTRY_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_REGISTRY_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_REGISTRY_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_REGISTRY_H -#include "src/core/ext/client_channel/lb_policy_factory.h" +#include "src/core/ext/filters/client_channel/lb_policy_factory.h" #include "src/core/lib/iomgr/exec_ctx.h" /** Initialize the registry and set \a default_factory as the factory to be @@ -52,4 +52,4 @@ void grpc_register_lb_policy(grpc_lb_policy_factory *factory); grpc_lb_policy *grpc_lb_policy_create(grpc_exec_ctx *exec_ctx, const char *name, grpc_lb_policy_args *args); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_REGISTRY_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_REGISTRY_H */ diff --git a/src/core/ext/client_channel/parse_address.c b/src/core/ext/filters/client_channel/parse_address.c index cd1b2cd80c..0c97062075 100644 --- a/src/core/ext/client_channel/parse_address.c +++ b/src/core/ext/filters/client_channel/parse_address.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/parse_address.h" +#include "src/core/ext/filters/client_channel/parse_address.h" #include "src/core/lib/iomgr/sockaddr.h" #include <stdio.h> diff --git a/src/core/ext/client_channel/parse_address.h b/src/core/ext/filters/client_channel/parse_address.h index bf99c5298a..c8d77baa00 100644 --- a/src/core/ext/client_channel/parse_address.h +++ b/src/core/ext/filters/client_channel/parse_address.h @@ -31,12 +31,12 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_PARSE_ADDRESS_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_PARSE_ADDRESS_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PARSE_ADDRESS_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PARSE_ADDRESS_H #include <stddef.h> -#include "src/core/ext/client_channel/uri_parser.h" +#include "src/core/ext/filters/client_channel/uri_parser.h" #include "src/core/lib/iomgr/resolve_address.h" /** Populate \a addr and \a len from \a uri, whose path is expected to contain a @@ -51,4 +51,4 @@ int parse_ipv4(grpc_uri *uri, grpc_resolved_address *resolved_addr); * host:port pair. Returns true upon success. */ int parse_ipv6(grpc_uri *uri, grpc_resolved_address *resolved_addr); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_PARSE_ADDRESS_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PARSE_ADDRESS_H */ diff --git a/src/core/ext/client_channel/proxy_mapper.c b/src/core/ext/filters/client_channel/proxy_mapper.c index f92afe847b..6dddd3c6da 100644 --- a/src/core/ext/client_channel/proxy_mapper.c +++ b/src/core/ext/filters/client_channel/proxy_mapper.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/proxy_mapper.h" +#include "src/core/ext/filters/client_channel/proxy_mapper.h" void grpc_proxy_mapper_init(const grpc_proxy_mapper_vtable* vtable, grpc_proxy_mapper* mapper) { diff --git a/src/core/ext/client_channel/proxy_mapper.h b/src/core/ext/filters/client_channel/proxy_mapper.h index 6e4607fe4d..d0c47d3090 100644 --- a/src/core/ext/client_channel/proxy_mapper.h +++ b/src/core/ext/filters/client_channel/proxy_mapper.h @@ -31,8 +31,8 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_PROXY_MAPPER_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_PROXY_MAPPER_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PROXY_MAPPER_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PROXY_MAPPER_H #include <stdbool.h> @@ -86,4 +86,4 @@ bool grpc_proxy_mapper_map_address(grpc_exec_ctx* exec_ctx, void grpc_proxy_mapper_destroy(grpc_proxy_mapper* mapper); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_PROXY_MAPPER_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PROXY_MAPPER_H */ diff --git a/src/core/ext/client_channel/proxy_mapper_registry.c b/src/core/ext/filters/client_channel/proxy_mapper_registry.c index 0935ddbdbd..7a39289a84 100644 --- a/src/core/ext/client_channel/proxy_mapper_registry.c +++ b/src/core/ext/filters/client_channel/proxy_mapper_registry.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/proxy_mapper_registry.h" +#include "src/core/ext/filters/client_channel/proxy_mapper_registry.h" #include <string.h> diff --git a/src/core/ext/client_channel/proxy_mapper_registry.h b/src/core/ext/filters/client_channel/proxy_mapper_registry.h index 742b57a2d4..8b5686d664 100644 --- a/src/core/ext/client_channel/proxy_mapper_registry.h +++ b/src/core/ext/filters/client_channel/proxy_mapper_registry.h @@ -31,10 +31,10 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_PROXY_MAPPER_REGISTRY_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_PROXY_MAPPER_REGISTRY_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PROXY_MAPPER_REGISTRY_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PROXY_MAPPER_REGISTRY_H -#include "src/core/ext/client_channel/proxy_mapper.h" +#include "src/core/ext/filters/client_channel/proxy_mapper.h" void grpc_proxy_mapper_registry_init(); void grpc_proxy_mapper_registry_shutdown(); @@ -56,4 +56,4 @@ bool grpc_proxy_mappers_map_address(grpc_exec_ctx* exec_ctx, grpc_resolved_address** new_address, grpc_channel_args** new_args); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_PROXY_MAPPER_REGISTRY_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PROXY_MAPPER_REGISTRY_H */ diff --git a/src/core/ext/client_channel/resolver.c b/src/core/ext/filters/client_channel/resolver.c index b1a1faa6c9..cafa2837f3 100644 --- a/src/core/ext/client_channel/resolver.c +++ b/src/core/ext/filters/client_channel/resolver.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/resolver.h" +#include "src/core/ext/filters/client_channel/resolver.h" #include "src/core/lib/iomgr/combiner.h" void grpc_resolver_init(grpc_resolver *resolver, diff --git a/src/core/ext/client_channel/resolver.h b/src/core/ext/filters/client_channel/resolver.h index bbba424ca5..55f9124b3a 100644 --- a/src/core/ext/client_channel/resolver.h +++ b/src/core/ext/filters/client_channel/resolver.h @@ -31,10 +31,10 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_H -#include "src/core/ext/client_channel/subchannel.h" +#include "src/core/ext/filters/client_channel/subchannel.h" #include "src/core/lib/iomgr/iomgr.h" typedef struct grpc_resolver grpc_resolver; @@ -98,4 +98,4 @@ void grpc_resolver_next_locked(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver, grpc_channel_args **result, grpc_closure *on_complete); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_H */ diff --git a/src/core/ext/resolver/README.md b/src/core/ext/filters/client_channel/resolver/README.md index b0e234e96a..b0e234e96a 100644 --- a/src/core/ext/resolver/README.md +++ b/src/core/ext/filters/client_channel/resolver/README.md diff --git a/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.c b/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.c new file mode 100644 index 0000000000..ffaeeed324 --- /dev/null +++ b/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.c @@ -0,0 +1,350 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <grpc/support/port_platform.h> +#if GRPC_ARES == 1 && !defined(GRPC_UV) + +#include <string.h> + +#include <grpc/support/alloc.h> +#include <grpc/support/host_port.h> +#include <grpc/support/string_util.h> + +#include "src/core/ext/filters/client_channel/http_connect_handshaker.h" +#include "src/core/ext/filters/client_channel/lb_policy_registry.h" +#include "src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h" +#include "src/core/ext/filters/client_channel/resolver_registry.h" +#include "src/core/lib/channel/channel_args.h" +#include "src/core/lib/iomgr/combiner.h" +#include "src/core/lib/iomgr/resolve_address.h" +#include "src/core/lib/iomgr/timer.h" +#include "src/core/lib/support/backoff.h" +#include "src/core/lib/support/env.h" +#include "src/core/lib/support/string.h" + +#define GRPC_DNS_MIN_CONNECT_TIMEOUT_SECONDS 1 +#define GRPC_DNS_INITIAL_CONNECT_BACKOFF_SECONDS 1 +#define GRPC_DNS_RECONNECT_BACKOFF_MULTIPLIER 1.6 +#define GRPC_DNS_RECONNECT_MAX_BACKOFF_SECONDS 120 +#define GRPC_DNS_RECONNECT_JITTER 0.2 + +typedef struct { + /** base class: must be first */ + grpc_resolver base; + /** name to resolve (usually the same as target_name) */ + char *name_to_resolve; + /** default port to use */ + char *default_port; + /** channel args. */ + grpc_channel_args *channel_args; + /** pollset_set to drive the name resolution process */ + grpc_pollset_set *interested_parties; + + /** Closures used by the combiner */ + grpc_closure dns_ares_on_retry_timer_locked; + grpc_closure dns_ares_on_resolved_locked; + + /** Combiner guarding the rest of the state */ + grpc_combiner *combiner; + /** are we currently resolving? */ + bool resolving; + /** which version of the result have we published? */ + int published_version; + /** which version of the result is current? */ + int resolved_version; + /** pending next completion, or NULL */ + grpc_closure *next_completion; + /** target result address for next completion */ + grpc_channel_args **target_result; + /** current (fully resolved) result */ + grpc_channel_args *resolved_result; + /** retry timer */ + bool have_retry_timer; + grpc_timer retry_timer; + /** retry backoff state */ + gpr_backoff backoff_state; + + /** currently resolving addresses */ + grpc_resolved_addresses *addresses; +} ares_dns_resolver; + +static void dns_ares_destroy(grpc_exec_ctx *exec_ctx, grpc_resolver *r); + +static void dns_ares_start_resolving_locked(grpc_exec_ctx *exec_ctx, + ares_dns_resolver *r); +static void dns_ares_maybe_finish_next_locked(grpc_exec_ctx *exec_ctx, + ares_dns_resolver *r); + +static void dns_ares_shutdown_locked(grpc_exec_ctx *exec_ctx, grpc_resolver *r); +static void dns_ares_channel_saw_error_locked(grpc_exec_ctx *exec_ctx, + grpc_resolver *r); +static void dns_ares_next_locked(grpc_exec_ctx *exec_ctx, grpc_resolver *r, + grpc_channel_args **target_result, + grpc_closure *on_complete); + +static const grpc_resolver_vtable dns_ares_resolver_vtable = { + dns_ares_destroy, dns_ares_shutdown_locked, + dns_ares_channel_saw_error_locked, dns_ares_next_locked}; + +static void dns_ares_shutdown_locked(grpc_exec_ctx *exec_ctx, + grpc_resolver *resolver) { + ares_dns_resolver *r = (ares_dns_resolver *)resolver; + if (r->have_retry_timer) { + grpc_timer_cancel(exec_ctx, &r->retry_timer); + } + if (r->next_completion != NULL) { + *r->target_result = NULL; + grpc_closure_sched( + exec_ctx, r->next_completion, + GRPC_ERROR_CREATE_FROM_STATIC_STRING("Resolver Shutdown")); + r->next_completion = NULL; + } +} + +static void dns_ares_channel_saw_error_locked(grpc_exec_ctx *exec_ctx, + grpc_resolver *resolver) { + ares_dns_resolver *r = (ares_dns_resolver *)resolver; + if (!r->resolving) { + gpr_backoff_reset(&r->backoff_state); + dns_ares_start_resolving_locked(exec_ctx, r); + } +} + +static void dns_ares_on_retry_timer_locked(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + ares_dns_resolver *r = arg; + r->have_retry_timer = false; + if (error == GRPC_ERROR_NONE) { + if (!r->resolving) { + dns_ares_start_resolving_locked(exec_ctx, r); + } + } + GRPC_RESOLVER_UNREF(exec_ctx, &r->base, "retry-timer"); +} + +static void dns_ares_on_resolved_locked(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + ares_dns_resolver *r = arg; + grpc_channel_args *result = NULL; + GPR_ASSERT(r->resolving); + r->resolving = false; + if (r->addresses != NULL) { + grpc_lb_addresses *addresses = grpc_lb_addresses_create( + r->addresses->naddrs, NULL /* user_data_vtable */); + for (size_t i = 0; i < r->addresses->naddrs; ++i) { + grpc_lb_addresses_set_address( + addresses, i, &r->addresses->addrs[i].addr, + r->addresses->addrs[i].len, false /* is_balancer */, + NULL /* balancer_name */, NULL /* user_data */); + } + grpc_arg new_arg = grpc_lb_addresses_create_channel_arg(addresses); + result = grpc_channel_args_copy_and_add(r->channel_args, &new_arg, 1); + grpc_resolved_addresses_destroy(r->addresses); + grpc_lb_addresses_destroy(exec_ctx, addresses); + } else { + gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC); + gpr_timespec next_try = gpr_backoff_step(&r->backoff_state, now); + gpr_timespec timeout = gpr_time_sub(next_try, now); + gpr_log(GPR_INFO, "dns resolution failed (will retry): %s", + grpc_error_string(error)); + GPR_ASSERT(!r->have_retry_timer); + r->have_retry_timer = true; + GRPC_RESOLVER_REF(&r->base, "retry-timer"); + if (gpr_time_cmp(timeout, gpr_time_0(timeout.clock_type)) > 0) { + gpr_log(GPR_DEBUG, "retrying in %" PRId64 ".%09d seconds", timeout.tv_sec, + timeout.tv_nsec); + } else { + gpr_log(GPR_DEBUG, "retrying immediately"); + } + grpc_timer_init(exec_ctx, &r->retry_timer, next_try, + &r->dns_ares_on_retry_timer_locked, now); + } + if (r->resolved_result != NULL) { + grpc_channel_args_destroy(exec_ctx, r->resolved_result); + } + r->resolved_result = result; + r->resolved_version++; + dns_ares_maybe_finish_next_locked(exec_ctx, r); + GRPC_RESOLVER_UNREF(exec_ctx, &r->base, "dns-resolving"); +} + +static void dns_ares_next_locked(grpc_exec_ctx *exec_ctx, + grpc_resolver *resolver, + grpc_channel_args **target_result, + grpc_closure *on_complete) { + gpr_log(GPR_DEBUG, "dns_ares_next is called."); + ares_dns_resolver *r = (ares_dns_resolver *)resolver; + GPR_ASSERT(!r->next_completion); + r->next_completion = on_complete; + r->target_result = target_result; + if (r->resolved_version == 0 && !r->resolving) { + gpr_backoff_reset(&r->backoff_state); + dns_ares_start_resolving_locked(exec_ctx, r); + } else { + dns_ares_maybe_finish_next_locked(exec_ctx, r); + } +} + +static void dns_ares_start_resolving_locked(grpc_exec_ctx *exec_ctx, + ares_dns_resolver *r) { + GRPC_RESOLVER_REF(&r->base, "dns-resolving"); + GPR_ASSERT(!r->resolving); + r->resolving = true; + r->addresses = NULL; + grpc_resolve_address(exec_ctx, r->name_to_resolve, r->default_port, + r->interested_parties, &r->dns_ares_on_resolved_locked, + &r->addresses); +} + +static void dns_ares_maybe_finish_next_locked(grpc_exec_ctx *exec_ctx, + ares_dns_resolver *r) { + if (r->next_completion != NULL && + r->resolved_version != r->published_version) { + *r->target_result = r->resolved_result == NULL + ? NULL + : grpc_channel_args_copy(r->resolved_result); + grpc_closure_sched(exec_ctx, r->next_completion, GRPC_ERROR_NONE); + r->next_completion = NULL; + r->published_version = r->resolved_version; + } +} + +static void dns_ares_destroy(grpc_exec_ctx *exec_ctx, grpc_resolver *gr) { + gpr_log(GPR_DEBUG, "dns_ares_destroy"); + ares_dns_resolver *r = (ares_dns_resolver *)gr; + if (r->resolved_result != NULL) { + grpc_channel_args_destroy(exec_ctx, r->resolved_result); + } + grpc_pollset_set_destroy(exec_ctx, r->interested_parties); + gpr_free(r->name_to_resolve); + gpr_free(r->default_port); + grpc_channel_args_destroy(exec_ctx, r->channel_args); + gpr_free(r); +} + +static grpc_resolver *dns_ares_create(grpc_exec_ctx *exec_ctx, + grpc_resolver_args *args, + const char *default_port) { + // Get name from args. + const char *path = args->uri->path; + if (0 != strcmp(args->uri->authority, "")) { + gpr_log(GPR_ERROR, "authority based dns uri's not supported"); + return NULL; + } + if (path[0] == '/') ++path; + // Create resolver. + ares_dns_resolver *r = gpr_zalloc(sizeof(ares_dns_resolver)); + grpc_resolver_init(&r->base, &dns_ares_resolver_vtable, args->combiner); + r->name_to_resolve = gpr_strdup(path); + r->default_port = gpr_strdup(default_port); + r->channel_args = grpc_channel_args_copy(args->args); + r->interested_parties = grpc_pollset_set_create(); + if (args->pollset_set != NULL) { + grpc_pollset_set_add_pollset_set(exec_ctx, r->interested_parties, + args->pollset_set); + } + gpr_backoff_init(&r->backoff_state, GRPC_DNS_INITIAL_CONNECT_BACKOFF_SECONDS, + GRPC_DNS_RECONNECT_BACKOFF_MULTIPLIER, + GRPC_DNS_RECONNECT_JITTER, + GRPC_DNS_MIN_CONNECT_TIMEOUT_SECONDS * 1000, + GRPC_DNS_RECONNECT_MAX_BACKOFF_SECONDS * 1000); + grpc_closure_init(&r->dns_ares_on_retry_timer_locked, + dns_ares_on_retry_timer_locked, r, + grpc_combiner_scheduler(r->base.combiner, false)); + grpc_closure_init(&r->dns_ares_on_resolved_locked, + dns_ares_on_resolved_locked, r, + grpc_combiner_scheduler(r->base.combiner, false)); + return &r->base; +} + +/* + * FACTORY + */ + +static void dns_ares_factory_ref(grpc_resolver_factory *factory) {} + +static void dns_ares_factory_unref(grpc_resolver_factory *factory) {} + +static grpc_resolver *dns_factory_create_resolver( + grpc_exec_ctx *exec_ctx, grpc_resolver_factory *factory, + grpc_resolver_args *args) { + return dns_ares_create(exec_ctx, args, "https"); +} + +static char *dns_ares_factory_get_default_host_name( + grpc_resolver_factory *factory, grpc_uri *uri) { + const char *path = uri->path; + if (path[0] == '/') ++path; + return gpr_strdup(path); +} + +static const grpc_resolver_factory_vtable dns_ares_factory_vtable = { + dns_ares_factory_ref, dns_ares_factory_unref, dns_factory_create_resolver, + dns_ares_factory_get_default_host_name, "dns"}; +static grpc_resolver_factory dns_resolver_factory = {&dns_ares_factory_vtable}; + +static grpc_resolver_factory *dns_ares_resolver_factory_create() { + return &dns_resolver_factory; +} + +void grpc_resolver_dns_ares_init(void) { + char *resolver = gpr_getenv("GRPC_DNS_RESOLVER"); + /* TODO(zyc): Turn on c-ares based resolver by default after the address + sorter and the CNAME support are added. */ + if (resolver != NULL && gpr_stricmp(resolver, "ares") == 0) { + grpc_error *error = grpc_ares_init(); + if (error != GRPC_ERROR_NONE) { + GRPC_LOG_IF_ERROR("ares_library_init() failed", error); + return; + } + grpc_resolve_address = grpc_resolve_address_ares; + grpc_register_resolver_type(dns_ares_resolver_factory_create()); + } + gpr_free(resolver); +} + +void grpc_resolver_dns_ares_shutdown(void) { + char *resolver = gpr_getenv("GRPC_DNS_RESOLVER"); + if (resolver != NULL && gpr_stricmp(resolver, "ares") == 0) { + grpc_ares_cleanup(); + } + gpr_free(resolver); +} + +#else /* GRPC_ARES == 1 && !defined(GRPC_UV) */ + +void grpc_resolver_dns_ares_init(void) {} + +void grpc_resolver_dns_ares_shutdown(void) {} + +#endif /* GRPC_ARES == 1 && !defined(GRPC_UV) */ diff --git a/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.h b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.h new file mode 100644 index 0000000000..aa88940021 --- /dev/null +++ b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.h @@ -0,0 +1,66 @@ +/* + * + * Copyright 2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_DNS_C_ARES_GRPC_ARES_EV_DRIVER_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_DNS_C_ARES_GRPC_ARES_EV_DRIVER_H + +#include <ares.h> + +#include "src/core/lib/iomgr/exec_ctx.h" +#include "src/core/lib/iomgr/pollset_set.h" + +typedef struct grpc_ares_ev_driver grpc_ares_ev_driver; + +/* Start \a ev_driver. It will keep working until all IO on its ares_channel is + done, or grpc_ares_ev_driver_destroy() is called. It may notify the callbacks + bound to its ares_channel when necessary. */ +void grpc_ares_ev_driver_start(grpc_exec_ctx *exec_ctx, + grpc_ares_ev_driver *ev_driver); + +/* Returns the ares_channel owned by \a ev_driver. To bind a c-ares query to + \a ev_driver, use the ares_channel owned by \a ev_driver as the arg of the + query. */ +ares_channel *grpc_ares_ev_driver_get_channel(grpc_ares_ev_driver *ev_driver); + +/* Creates a new grpc_ares_ev_driver. Returns GRPC_ERROR_NONE if \a ev_driver is + created successfully. */ +grpc_error *grpc_ares_ev_driver_create(grpc_ares_ev_driver **ev_driver, + grpc_pollset_set *pollset_set); + +/* Destroys \a ev_driver asynchronously. Pending lookups made on \a ev_driver + will be cancelled and their on_done callbacks will be invoked with a status + of ARES_ECANCELLED. */ +void grpc_ares_ev_driver_destroy(grpc_ares_ev_driver *ev_driver); + +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_DNS_C_ARES_GRPC_ARES_EV_DRIVER_H \ + */ diff --git a/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver_posix.c b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver_posix.c new file mode 100644 index 0000000000..1e4f3eb5ab --- /dev/null +++ b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver_posix.c @@ -0,0 +1,319 @@ +/* + * + * Copyright 2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +#include <grpc/support/port_platform.h> +#include "src/core/lib/iomgr/port.h" +#if GRPC_ARES == 1 && defined(GRPC_POSIX_SOCKET) + +#include "src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.h" + +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> +#include <grpc/support/string_util.h> +#include <grpc/support/time.h> +#include <grpc/support/useful.h> +#include "src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h" +#include "src/core/lib/iomgr/ev_posix.h" +#include "src/core/lib/iomgr/iomgr_internal.h" +#include "src/core/lib/iomgr/sockaddr_utils.h" +#include "src/core/lib/support/string.h" + +typedef struct fd_node { + /** the owner of this fd node */ + grpc_ares_ev_driver *ev_driver; + /** the grpc_fd owned by this fd node */ + grpc_fd *grpc_fd; + /** a closure wrapping on_readable_cb, which should be invoked when the + grpc_fd in this node becomes readable. */ + grpc_closure read_closure; + /** a closure wrapping on_writable_cb, which should be invoked when the + grpc_fd in this node becomes writable. */ + grpc_closure write_closure; + /** next fd node in the list */ + struct fd_node *next; + + /** mutex guarding the rest of the state */ + gpr_mu mu; + /** if the readable closure has been registered */ + bool readable_registered; + /** if the writable closure has been registered */ + bool writable_registered; +} fd_node; + +struct grpc_ares_ev_driver { + /** the ares_channel owned by this event driver */ + ares_channel channel; + /** pollset set for driving the IO events of the channel */ + grpc_pollset_set *pollset_set; + /** refcount of the event driver */ + gpr_refcount refs; + + /** mutex guarding the rest of the state */ + gpr_mu mu; + /** a list of grpc_fd that this event driver is currently using. */ + fd_node *fds; + /** is this event driver currently working? */ + bool working; + /** is this event driver being shut down */ + bool shutting_down; +}; + +static void grpc_ares_notify_on_event_locked(grpc_exec_ctx *exec_ctx, + grpc_ares_ev_driver *ev_driver); + +static grpc_ares_ev_driver *grpc_ares_ev_driver_ref( + grpc_ares_ev_driver *ev_driver) { + gpr_log(GPR_DEBUG, "Ref ev_driver %" PRIuPTR, (uintptr_t)ev_driver); + gpr_ref(&ev_driver->refs); + return ev_driver; +} + +static void grpc_ares_ev_driver_unref(grpc_ares_ev_driver *ev_driver) { + gpr_log(GPR_DEBUG, "Unref ev_driver %" PRIuPTR, (uintptr_t)ev_driver); + if (gpr_unref(&ev_driver->refs)) { + gpr_log(GPR_DEBUG, "destroy ev_driver %" PRIuPTR, (uintptr_t)ev_driver); + GPR_ASSERT(ev_driver->fds == NULL); + gpr_mu_destroy(&ev_driver->mu); + ares_destroy(ev_driver->channel); + gpr_free(ev_driver); + } +} + +static void fd_node_destroy(grpc_exec_ctx *exec_ctx, fd_node *fdn) { + gpr_log(GPR_DEBUG, "delete fd: %d", grpc_fd_wrapped_fd(fdn->grpc_fd)); + GPR_ASSERT(!fdn->readable_registered); + GPR_ASSERT(!fdn->writable_registered); + gpr_mu_destroy(&fdn->mu); + grpc_pollset_set_del_fd(exec_ctx, fdn->ev_driver->pollset_set, fdn->grpc_fd); + grpc_fd_shutdown(exec_ctx, fdn->grpc_fd, + GRPC_ERROR_CREATE_FROM_STATIC_STRING("fd node destroyed")); + grpc_fd_orphan(exec_ctx, fdn->grpc_fd, NULL, NULL, "c-ares query finished"); + gpr_free(fdn); +} + +grpc_error *grpc_ares_ev_driver_create(grpc_ares_ev_driver **ev_driver, + grpc_pollset_set *pollset_set) { + *ev_driver = gpr_malloc(sizeof(grpc_ares_ev_driver)); + int status = ares_init(&(*ev_driver)->channel); + gpr_log(GPR_DEBUG, "grpc_ares_ev_driver_create"); + if (status != ARES_SUCCESS) { + char *err_msg; + gpr_asprintf(&err_msg, "Failed to init ares channel. C-ares error: %s", + ares_strerror(status)); + grpc_error *err = GRPC_ERROR_CREATE_FROM_COPIED_STRING(err_msg); + gpr_free(err_msg); + gpr_free(*ev_driver); + return err; + } + gpr_mu_init(&(*ev_driver)->mu); + gpr_ref_init(&(*ev_driver)->refs, 1); + (*ev_driver)->pollset_set = pollset_set; + (*ev_driver)->fds = NULL; + (*ev_driver)->working = false; + (*ev_driver)->shutting_down = false; + return GRPC_ERROR_NONE; +} + +void grpc_ares_ev_driver_destroy(grpc_ares_ev_driver *ev_driver) { + // It's not safe to shut down remaining fds here directly, becauses + // ares_host_callback does not provide an exec_ctx. We mark the event driver + // as being shut down. If the event driver is working, + // grpc_ares_notify_on_event_locked will shut down the fds; if it's not + // working, there are no fds to shut down. + gpr_mu_lock(&ev_driver->mu); + ev_driver->shutting_down = true; + gpr_mu_unlock(&ev_driver->mu); + grpc_ares_ev_driver_unref(ev_driver); +} + +// Search fd in the fd_node list head. This is an O(n) search, the max possible +// value of n is ARES_GETSOCK_MAXNUM (16). n is typically 1 - 2 in our tests. +static fd_node *pop_fd_node(fd_node **head, int fd) { + fd_node dummy_head; + dummy_head.next = *head; + fd_node *node = &dummy_head; + while (node->next != NULL) { + if (grpc_fd_wrapped_fd(node->next->grpc_fd) == fd) { + fd_node *ret = node->next; + node->next = node->next->next; + *head = dummy_head.next; + return ret; + } + node = node->next; + } + return NULL; +} + +static void on_readable_cb(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + fd_node *fdn = arg; + grpc_ares_ev_driver *ev_driver = fdn->ev_driver; + gpr_mu_lock(&fdn->mu); + fdn->readable_registered = false; + gpr_mu_unlock(&fdn->mu); + + gpr_log(GPR_DEBUG, "readable on %d", grpc_fd_wrapped_fd(fdn->grpc_fd)); + if (error == GRPC_ERROR_NONE) { + ares_process_fd(ev_driver->channel, grpc_fd_wrapped_fd(fdn->grpc_fd), + ARES_SOCKET_BAD); + } else { + // If error is not GRPC_ERROR_NONE, it means the fd has been shutdown or + // timed out. The pending lookups made on this ev_driver will be cancelled + // by the following ares_cancel() and the on_done callbacks will be invoked + // with a status of ARES_ECANCELLED. The remaining file descriptors in this + // ev_driver will be cleaned up in the follwing + // grpc_ares_notify_on_event_locked(). + ares_cancel(ev_driver->channel); + } + gpr_mu_lock(&ev_driver->mu); + grpc_ares_notify_on_event_locked(exec_ctx, ev_driver); + gpr_mu_unlock(&ev_driver->mu); + grpc_ares_ev_driver_unref(ev_driver); +} + +static void on_writable_cb(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + fd_node *fdn = arg; + grpc_ares_ev_driver *ev_driver = fdn->ev_driver; + gpr_mu_lock(&fdn->mu); + fdn->writable_registered = false; + gpr_mu_unlock(&fdn->mu); + + gpr_log(GPR_DEBUG, "writable on %d", grpc_fd_wrapped_fd(fdn->grpc_fd)); + if (error == GRPC_ERROR_NONE) { + ares_process_fd(ev_driver->channel, ARES_SOCKET_BAD, + grpc_fd_wrapped_fd(fdn->grpc_fd)); + } else { + // If error is not GRPC_ERROR_NONE, it means the fd has been shutdown or + // timed out. The pending lookups made on this ev_driver will be cancelled + // by the following ares_cancel() and the on_done callbacks will be invoked + // with a status of ARES_ECANCELLED. The remaining file descriptors in this + // ev_driver will be cleaned up in the follwing + // grpc_ares_notify_on_event_locked(). + ares_cancel(ev_driver->channel); + } + gpr_mu_lock(&ev_driver->mu); + grpc_ares_notify_on_event_locked(exec_ctx, ev_driver); + gpr_mu_unlock(&ev_driver->mu); + grpc_ares_ev_driver_unref(ev_driver); +} + +ares_channel *grpc_ares_ev_driver_get_channel(grpc_ares_ev_driver *ev_driver) { + return &ev_driver->channel; +} + +// Get the file descriptors used by the ev_driver's ares channel, register +// driver_closure with these filedescriptors. +static void grpc_ares_notify_on_event_locked(grpc_exec_ctx *exec_ctx, + grpc_ares_ev_driver *ev_driver) { + fd_node *new_list = NULL; + if (!ev_driver->shutting_down) { + ares_socket_t socks[ARES_GETSOCK_MAXNUM]; + int socks_bitmask = + ares_getsock(ev_driver->channel, socks, ARES_GETSOCK_MAXNUM); + for (size_t i = 0; i < ARES_GETSOCK_MAXNUM; i++) { + if (ARES_GETSOCK_READABLE(socks_bitmask, i) || + ARES_GETSOCK_WRITABLE(socks_bitmask, i)) { + fd_node *fdn = pop_fd_node(&ev_driver->fds, socks[i]); + // Create a new fd_node if sock[i] is not in the fd_node list. + if (fdn == NULL) { + char *fd_name; + gpr_asprintf(&fd_name, "ares_ev_driver-%" PRIuPTR, i); + fdn = gpr_malloc(sizeof(fd_node)); + gpr_log(GPR_DEBUG, "new fd: %d", socks[i]); + fdn->grpc_fd = grpc_fd_create(socks[i], fd_name); + fdn->ev_driver = ev_driver; + fdn->readable_registered = false; + fdn->writable_registered = false; + gpr_mu_init(&fdn->mu); + grpc_closure_init(&fdn->read_closure, on_readable_cb, fdn, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&fdn->write_closure, on_writable_cb, fdn, + grpc_schedule_on_exec_ctx); + grpc_pollset_set_add_fd(exec_ctx, ev_driver->pollset_set, + fdn->grpc_fd); + gpr_free(fd_name); + } + fdn->next = new_list; + new_list = fdn; + gpr_mu_lock(&fdn->mu); + // Register read_closure if the socket is readable and read_closure has + // not been registered with this socket. + if (ARES_GETSOCK_READABLE(socks_bitmask, i) && + !fdn->readable_registered) { + grpc_ares_ev_driver_ref(ev_driver); + gpr_log(GPR_DEBUG, "notify read on: %d", + grpc_fd_wrapped_fd(fdn->grpc_fd)); + grpc_fd_notify_on_read(exec_ctx, fdn->grpc_fd, &fdn->read_closure); + fdn->readable_registered = true; + } + // Register write_closure if the socket is writable and write_closure + // has not been registered with this socket. + if (ARES_GETSOCK_WRITABLE(socks_bitmask, i) && + !fdn->writable_registered) { + gpr_log(GPR_DEBUG, "notify write on: %d", + grpc_fd_wrapped_fd(fdn->grpc_fd)); + grpc_ares_ev_driver_ref(ev_driver); + grpc_fd_notify_on_write(exec_ctx, fdn->grpc_fd, &fdn->write_closure); + fdn->writable_registered = true; + } + gpr_mu_unlock(&fdn->mu); + } + } + } + // Any remaining fds in ev_driver->fds were not returned by ares_getsock() and + // are therefore no longer in use, so they can be shut down and removed from + // the list. + while (ev_driver->fds != NULL) { + fd_node *cur = ev_driver->fds; + ev_driver->fds = ev_driver->fds->next; + fd_node_destroy(exec_ctx, cur); + } + ev_driver->fds = new_list; + // If the ev driver has no working fd, all the tasks are done. + if (new_list == NULL) { + ev_driver->working = false; + gpr_log(GPR_DEBUG, "ev driver stop working"); + } +} + +void grpc_ares_ev_driver_start(grpc_exec_ctx *exec_ctx, + grpc_ares_ev_driver *ev_driver) { + gpr_mu_lock(&ev_driver->mu); + if (!ev_driver->working) { + ev_driver->working = true; + grpc_ares_notify_on_event_locked(exec_ctx, ev_driver); + } + gpr_mu_unlock(&ev_driver->mu); +} + +#endif /* GRPC_ARES == 1 && defined(GRPC_POSIX_SOCKET) */ diff --git a/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.c b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.c new file mode 100644 index 0000000000..09c46a66e0 --- /dev/null +++ b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.c @@ -0,0 +1,289 @@ +/* + * + * Copyright 2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <grpc/support/port_platform.h> +#if GRPC_ARES == 1 && !defined(GRPC_UV) + +#include "src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h" +#include "src/core/lib/iomgr/sockaddr.h" +#include "src/core/lib/iomgr/socket_utils_posix.h" + +#include <string.h> +#include <sys/types.h> + +#include <ares.h> +#include <grpc/support/alloc.h> +#include <grpc/support/host_port.h> +#include <grpc/support/log.h> +#include <grpc/support/string_util.h> +#include <grpc/support/time.h> +#include <grpc/support/useful.h> +#include "src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.h" +#include "src/core/lib/iomgr/executor.h" +#include "src/core/lib/iomgr/iomgr_internal.h" +#include "src/core/lib/iomgr/sockaddr_utils.h" +#include "src/core/lib/support/string.h" + +static gpr_once g_basic_init = GPR_ONCE_INIT; +static gpr_mu g_init_mu; + +typedef struct grpc_ares_request { + /** following members are set in grpc_resolve_address_ares_impl */ + /** host to resolve, parsed from the name to resolve */ + char *host; + /** port to fill in sockaddr_in, parsed from the name to resolve */ + char *port; + /** default port to use */ + char *default_port; + /** closure to call when the request completes */ + grpc_closure *on_done; + /** the pointer to receive the resolved addresses */ + grpc_resolved_addresses **addrs_out; + /** the evernt driver used by this request */ + grpc_ares_ev_driver *ev_driver; + /** number of ongoing queries */ + gpr_refcount pending_queries; + + /** mutex guarding the rest of the state */ + gpr_mu mu; + /** is there at least one successful query, set in on_done_cb */ + bool success; + /** the errors explaining the request failure, set in on_done_cb */ + grpc_error *error; +} grpc_ares_request; + +static void do_basic_init(void) { gpr_mu_init(&g_init_mu); } + +static uint16_t strhtons(const char *port) { + if (strcmp(port, "http") == 0) { + return htons(80); + } else if (strcmp(port, "https") == 0) { + return htons(443); + } + return htons((unsigned short)atoi(port)); +} + +static void grpc_ares_request_unref(grpc_exec_ctx *exec_ctx, + grpc_ares_request *r) { + /* If there are no pending queries, invoke on_done callback and destroy the + request */ + if (gpr_unref(&r->pending_queries)) { + /* TODO(zyc): Sort results with RFC6724 before invoking on_done. */ + if (exec_ctx == NULL) { + /* A new exec_ctx is created here, as the c-ares interface does not + provide one in ares_host_callback. It's safe to schedule on_done with + the newly created exec_ctx, since the caller has been warned not to + acquire locks in on_done. ares_dns_resolver is using combiner to + protect resources needed by on_done. */ + grpc_exec_ctx new_exec_ctx = GRPC_EXEC_CTX_INIT; + grpc_closure_sched(&new_exec_ctx, r->on_done, r->error); + grpc_exec_ctx_finish(&new_exec_ctx); + } else { + grpc_closure_sched(exec_ctx, r->on_done, r->error); + } + gpr_mu_destroy(&r->mu); + grpc_ares_ev_driver_destroy(r->ev_driver); + gpr_free(r->host); + gpr_free(r->port); + gpr_free(r->default_port); + gpr_free(r); + } +} + +static void on_done_cb(void *arg, int status, int timeouts, + struct hostent *hostent) { + grpc_ares_request *r = (grpc_ares_request *)arg; + gpr_mu_lock(&r->mu); + if (status == ARES_SUCCESS) { + GRPC_ERROR_UNREF(r->error); + r->error = GRPC_ERROR_NONE; + r->success = true; + grpc_resolved_addresses **addresses = r->addrs_out; + if (*addresses == NULL) { + *addresses = gpr_malloc(sizeof(grpc_resolved_addresses)); + (*addresses)->naddrs = 0; + (*addresses)->addrs = NULL; + } + size_t prev_naddr = (*addresses)->naddrs; + size_t i; + for (i = 0; hostent->h_addr_list[i] != NULL; i++) { + } + (*addresses)->naddrs += i; + (*addresses)->addrs = + gpr_realloc((*addresses)->addrs, + sizeof(grpc_resolved_address) * (*addresses)->naddrs); + for (i = prev_naddr; i < (*addresses)->naddrs; i++) { + memset(&(*addresses)->addrs[i], 0, sizeof(grpc_resolved_address)); + if (hostent->h_addrtype == AF_INET6) { + (*addresses)->addrs[i].len = sizeof(struct sockaddr_in6); + struct sockaddr_in6 *addr = + (struct sockaddr_in6 *)&(*addresses)->addrs[i].addr; + addr->sin6_family = (sa_family_t)hostent->h_addrtype; + addr->sin6_port = strhtons(r->port); + + char output[INET6_ADDRSTRLEN]; + memcpy(&addr->sin6_addr, hostent->h_addr_list[i - prev_naddr], + sizeof(struct in6_addr)); + ares_inet_ntop(AF_INET6, &addr->sin6_addr, output, INET6_ADDRSTRLEN); + gpr_log(GPR_DEBUG, + "c-ares resolver gets a AF_INET6 result: \n" + " addr: %s\n port: %s\n sin6_scope_id: %d\n", + output, r->port, addr->sin6_scope_id); + } else { + (*addresses)->addrs[i].len = sizeof(struct sockaddr_in); + struct sockaddr_in *addr = + (struct sockaddr_in *)&(*addresses)->addrs[i].addr; + memcpy(&addr->sin_addr, hostent->h_addr_list[i - prev_naddr], + sizeof(struct in_addr)); + addr->sin_family = (sa_family_t)hostent->h_addrtype; + addr->sin_port = strhtons(r->port); + + char output[INET_ADDRSTRLEN]; + ares_inet_ntop(AF_INET, &addr->sin_addr, output, INET_ADDRSTRLEN); + gpr_log(GPR_DEBUG, + "c-ares resolver gets a AF_INET result: \n" + " addr: %s\n port: %s\n", + output, r->port); + } + } + } else if (!r->success) { + char *error_msg; + gpr_asprintf(&error_msg, "C-ares status is not ARES_SUCCESS: %s", + ares_strerror(status)); + grpc_error *error = GRPC_ERROR_CREATE_FROM_COPIED_STRING(error_msg); + gpr_free(error_msg); + if (r->error == GRPC_ERROR_NONE) { + r->error = error; + } else { + r->error = grpc_error_add_child(error, r->error); + } + } + gpr_mu_unlock(&r->mu); + grpc_ares_request_unref(NULL, r); +} + +void grpc_resolve_address_ares_impl(grpc_exec_ctx *exec_ctx, const char *name, + const char *default_port, + grpc_pollset_set *interested_parties, + grpc_closure *on_done, + grpc_resolved_addresses **addrs) { + /* TODO(zyc): Enable tracing after #9603 is checked in */ + /* if (grpc_dns_trace) { + gpr_log(GPR_DEBUG, "resolve_address (blocking): name=%s, default_port=%s", + name, default_port); + } */ + + /* parse name, splitting it into host and port parts */ + char *host; + char *port; + gpr_split_host_port(name, &host, &port); + if (host == NULL) { + grpc_error *err = grpc_error_set_str( + GRPC_ERROR_CREATE_FROM_STATIC_STRING("unparseable host:port"), + GRPC_ERROR_STR_TARGET_ADDRESS, grpc_slice_from_copied_string(name)); + grpc_closure_sched(exec_ctx, on_done, err); + goto error_cleanup; + } else if (port == NULL) { + if (default_port == NULL) { + grpc_error *err = grpc_error_set_str( + GRPC_ERROR_CREATE_FROM_STATIC_STRING("no port in name"), + GRPC_ERROR_STR_TARGET_ADDRESS, grpc_slice_from_copied_string(name)); + grpc_closure_sched(exec_ctx, on_done, err); + goto error_cleanup; + } + port = gpr_strdup(default_port); + } + + grpc_ares_ev_driver *ev_driver; + grpc_error *err = grpc_ares_ev_driver_create(&ev_driver, interested_parties); + if (err != GRPC_ERROR_NONE) { + GRPC_LOG_IF_ERROR("grpc_ares_ev_driver_create() failed", err); + goto error_cleanup; + } + + grpc_ares_request *r = gpr_malloc(sizeof(grpc_ares_request)); + gpr_mu_init(&r->mu); + r->ev_driver = ev_driver; + r->on_done = on_done; + r->addrs_out = addrs; + r->default_port = gpr_strdup(default_port); + r->port = port; + r->host = host; + r->success = false; + r->error = GRPC_ERROR_NONE; + ares_channel *channel = grpc_ares_ev_driver_get_channel(r->ev_driver); + gpr_ref_init(&r->pending_queries, 2); + if (grpc_ipv6_loopback_available()) { + gpr_ref(&r->pending_queries); + ares_gethostbyname(*channel, r->host, AF_INET6, on_done_cb, r); + } + ares_gethostbyname(*channel, r->host, AF_INET, on_done_cb, r); + /* TODO(zyc): Handle CNAME records here. */ + grpc_ares_ev_driver_start(exec_ctx, r->ev_driver); + grpc_ares_request_unref(exec_ctx, r); + return; + +error_cleanup: + gpr_free(host); + gpr_free(port); +} + +void (*grpc_resolve_address_ares)( + grpc_exec_ctx *exec_ctx, const char *name, const char *default_port, + grpc_pollset_set *interested_parties, grpc_closure *on_done, + grpc_resolved_addresses **addrs) = grpc_resolve_address_ares_impl; + +grpc_error *grpc_ares_init(void) { + gpr_once_init(&g_basic_init, do_basic_init); + gpr_mu_lock(&g_init_mu); + int status = ares_library_init(ARES_LIB_INIT_ALL); + gpr_mu_unlock(&g_init_mu); + + if (status != ARES_SUCCESS) { + char *error_msg; + gpr_asprintf(&error_msg, "ares_library_init failed: %s", + ares_strerror(status)); + grpc_error *error = GRPC_ERROR_CREATE_FROM_COPIED_STRING(error_msg); + gpr_free(error_msg); + return error; + } + return GRPC_ERROR_NONE; +} + +void grpc_ares_cleanup(void) { + gpr_mu_lock(&g_init_mu); + ares_library_cleanup(); + gpr_mu_unlock(&g_init_mu); +} + +#endif /* GRPC_ARES == 1 && !defined(GRPC_UV) */ diff --git a/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h new file mode 100644 index 0000000000..3dd40ea268 --- /dev/null +++ b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h @@ -0,0 +1,64 @@ +/* + * + * Copyright 2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_DNS_C_ARES_GRPC_ARES_WRAPPER_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_DNS_C_ARES_GRPC_ARES_WRAPPER_H + +#include "src/core/lib/iomgr/exec_ctx.h" +#include "src/core/lib/iomgr/iomgr.h" +#include "src/core/lib/iomgr/polling_entity.h" +#include "src/core/lib/iomgr/resolve_address.h" + +/* Asynchronously resolve addr. Use \a default_port if a port isn't designated + in addr, otherwise use the port in addr. grpc_ares_init() must be called at + least once before this function. \a on_done may be called directly in this + function without being scheduled with \a exec_ctx, it must not try to acquire + locks that are being held by the caller. */ +extern void (*grpc_resolve_address_ares)(grpc_exec_ctx *exec_ctx, + const char *addr, + const char *default_port, + grpc_pollset_set *interested_parties, + grpc_closure *on_done, + grpc_resolved_addresses **addresses); + +/* Initialize gRPC ares wrapper. Must be called at least once before + grpc_resolve_address_ares(). */ +grpc_error *grpc_ares_init(void); + +/* Uninitialized gRPC ares wrapper. If there was more than one previous call to + grpc_ares_init(), this function uninitializes the gRPC ares wrapper only if + it has been called the same number of times as grpc_ares_init(). */ +void grpc_ares_cleanup(void); + +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_DNS_C_ARES_GRPC_ARES_WRAPPER_H \ + */ diff --git a/src/core/ext/resolver/dns/native/README.md b/src/core/ext/filters/client_channel/resolver/dns/native/README.md index 695de47b9f..695de47b9f 100644 --- a/src/core/ext/resolver/dns/native/README.md +++ b/src/core/ext/filters/client_channel/resolver/dns/native/README.md diff --git a/src/core/ext/resolver/dns/native/dns_resolver.c b/src/core/ext/filters/client_channel/resolver/dns/native/dns_resolver.c index d6cb6a95a2..ebe6a07215 100644 --- a/src/core/ext/resolver/dns/native/dns_resolver.c +++ b/src/core/ext/filters/client_channel/resolver/dns/native/dns_resolver.c @@ -37,13 +37,14 @@ #include <grpc/support/host_port.h> #include <grpc/support/string_util.h> -#include "src/core/ext/client_channel/lb_policy_registry.h" -#include "src/core/ext/client_channel/resolver_registry.h" +#include "src/core/ext/filters/client_channel/lb_policy_registry.h" +#include "src/core/ext/filters/client_channel/resolver_registry.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/iomgr/combiner.h" #include "src/core/lib/iomgr/resolve_address.h" #include "src/core/lib/iomgr/timer.h" #include "src/core/lib/support/backoff.h" +#include "src/core/lib/support/env.h" #include "src/core/lib/support/string.h" #define GRPC_DNS_MIN_CONNECT_TIMEOUT_SECONDS 1 @@ -304,7 +305,21 @@ static grpc_resolver_factory *dns_resolver_factory_create() { } void grpc_resolver_dns_native_init(void) { - grpc_register_resolver_type(dns_resolver_factory_create()); + char *resolver = gpr_getenv("GRPC_DNS_RESOLVER"); + if (resolver != NULL && gpr_stricmp(resolver, "native") == 0) { + gpr_log(GPR_DEBUG, "Using native dns resolver"); + grpc_register_resolver_type(dns_resolver_factory_create()); + } else { + grpc_resolver_factory *existing_factory = + grpc_resolver_factory_lookup("dns"); + if (existing_factory == NULL) { + gpr_log(GPR_DEBUG, "Using native dns resolver"); + grpc_register_resolver_type(dns_resolver_factory_create()); + } else { + grpc_resolver_factory_unref(existing_factory); + } + } + gpr_free(resolver); } void grpc_resolver_dns_native_shutdown(void) {} diff --git a/src/core/ext/resolver/sockaddr/README.md b/src/core/ext/filters/client_channel/resolver/sockaddr/README.md index e307ba88f5..e307ba88f5 100644 --- a/src/core/ext/resolver/sockaddr/README.md +++ b/src/core/ext/filters/client_channel/resolver/sockaddr/README.md diff --git a/src/core/ext/resolver/sockaddr/sockaddr_resolver.c b/src/core/ext/filters/client_channel/resolver/sockaddr/sockaddr_resolver.c index da5923d26f..54f020d691 100644 --- a/src/core/ext/resolver/sockaddr/sockaddr_resolver.c +++ b/src/core/ext/filters/client_channel/resolver/sockaddr/sockaddr_resolver.c @@ -41,9 +41,9 @@ #include <grpc/support/port_platform.h> #include <grpc/support/string_util.h> -#include "src/core/ext/client_channel/lb_policy_factory.h" -#include "src/core/ext/client_channel/parse_address.h" -#include "src/core/ext/client_channel/resolver_registry.h" +#include "src/core/ext/filters/client_channel/lb_policy_factory.h" +#include "src/core/ext/filters/client_channel/parse_address.h" +#include "src/core/ext/filters/client_channel/resolver_registry.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/iomgr/combiner.h" #include "src/core/lib/iomgr/resolve_address.h" diff --git a/src/core/ext/client_channel/resolver_factory.c b/src/core/ext/filters/client_channel/resolver_factory.c index 00bbb92dd0..07f9e4cf03 100644 --- a/src/core/ext/client_channel/resolver_factory.c +++ b/src/core/ext/filters/client_channel/resolver_factory.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/resolver_factory.h" +#include "src/core/ext/filters/client_channel/resolver_factory.h" void grpc_resolver_factory_ref(grpc_resolver_factory* factory) { factory->vtable->ref(factory); diff --git a/src/core/ext/client_channel/resolver_factory.h b/src/core/ext/filters/client_channel/resolver_factory.h index e3cd99ec5a..f2fcfc06fe 100644 --- a/src/core/ext/client_channel/resolver_factory.h +++ b/src/core/ext/filters/client_channel/resolver_factory.h @@ -31,12 +31,12 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_FACTORY_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_FACTORY_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_FACTORY_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_FACTORY_H -#include "src/core/ext/client_channel/client_channel_factory.h" -#include "src/core/ext/client_channel/resolver.h" -#include "src/core/ext/client_channel/uri_parser.h" +#include "src/core/ext/filters/client_channel/client_channel_factory.h" +#include "src/core/ext/filters/client_channel/resolver.h" +#include "src/core/ext/filters/client_channel/uri_parser.h" #include "src/core/lib/iomgr/pollset_set.h" typedef struct grpc_resolver_factory grpc_resolver_factory; @@ -82,4 +82,4 @@ grpc_resolver *grpc_resolver_factory_create_resolver( char *grpc_resolver_factory_get_default_authority( grpc_resolver_factory *factory, grpc_uri *uri); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_FACTORY_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_FACTORY_H */ diff --git a/src/core/ext/client_channel/resolver_registry.c b/src/core/ext/filters/client_channel/resolver_registry.c index 3c5a6fb3ff..fa997bd68f 100644 --- a/src/core/ext/client_channel/resolver_registry.c +++ b/src/core/ext/filters/client_channel/resolver_registry.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/resolver_registry.h" +#include "src/core/ext/filters/client_channel/resolver_registry.h" #include <string.h> @@ -93,7 +93,6 @@ static grpc_resolver_factory *lookup_factory(const char *name) { return g_all_of_the_resolvers[i]; } } - return NULL; } diff --git a/src/core/ext/client_channel/resolver_registry.h b/src/core/ext/filters/client_channel/resolver_registry.h index 1a3ebee25a..f2e9f9249c 100644 --- a/src/core/ext/client_channel/resolver_registry.h +++ b/src/core/ext/filters/client_channel/resolver_registry.h @@ -31,10 +31,10 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_REGISTRY_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_REGISTRY_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_REGISTRY_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_REGISTRY_H -#include "src/core/ext/client_channel/resolver_factory.h" +#include "src/core/ext/filters/client_channel/resolver_factory.h" #include "src/core/lib/iomgr/pollset_set.h" void grpc_resolver_registry_init(); @@ -81,4 +81,4 @@ char *grpc_get_default_authority(grpc_exec_ctx *exec_ctx, const char *target); char *grpc_resolver_factory_add_default_prefix_if_needed( grpc_exec_ctx *exec_ctx, const char *target); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_REGISTRY_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_REGISTRY_H */ diff --git a/src/core/ext/client_channel/retry_throttle.c b/src/core/ext/filters/client_channel/retry_throttle.c index 8926c3d782..dd78a17844 100644 --- a/src/core/ext/client_channel/retry_throttle.c +++ b/src/core/ext/filters/client_channel/retry_throttle.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/retry_throttle.h" +#include "src/core/ext/filters/client_channel/retry_throttle.h" #include <limits.h> #include <string.h> diff --git a/src/core/ext/client_channel/retry_throttle.h b/src/core/ext/filters/client_channel/retry_throttle.h index f9971faf65..640865cf90 100644 --- a/src/core/ext/client_channel/retry_throttle.h +++ b/src/core/ext/filters/client_channel/retry_throttle.h @@ -31,8 +31,8 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_RETRY_THROTTLE_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_RETRY_THROTTLE_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RETRY_THROTTLE_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RETRY_THROTTLE_H #include <stdbool.h> @@ -62,4 +62,4 @@ void grpc_retry_throttle_map_shutdown(); grpc_server_retry_throttle_data* grpc_retry_throttle_map_get_data_for_server( const char* server_name, int max_milli_tokens, int milli_token_ratio); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_RETRY_THROTTLE_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RETRY_THROTTLE_H */ diff --git a/src/core/ext/client_channel/subchannel.c b/src/core/ext/filters/client_channel/subchannel.c index 063c0badff..8086cdb87e 100644 --- a/src/core/ext/client_channel/subchannel.c +++ b/src/core/ext/filters/client_channel/subchannel.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/subchannel.h" +#include "src/core/ext/filters/client_channel/subchannel.h" #include <limits.h> #include <string.h> @@ -40,11 +40,11 @@ #include <grpc/support/avl.h> #include <grpc/support/string_util.h> -#include "src/core/ext/client_channel/client_channel.h" -#include "src/core/ext/client_channel/parse_address.h" -#include "src/core/ext/client_channel/proxy_mapper_registry.h" -#include "src/core/ext/client_channel/subchannel_index.h" -#include "src/core/ext/client_channel/uri_parser.h" +#include "src/core/ext/filters/client_channel/client_channel.h" +#include "src/core/ext/filters/client_channel/parse_address.h" +#include "src/core/ext/filters/client_channel/proxy_mapper_registry.h" +#include "src/core/ext/filters/client_channel/subchannel_index.h" +#include "src/core/ext/filters/client_channel/uri_parser.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/channel/connected_channel.h" #include "src/core/lib/iomgr/sockaddr_utils.h" @@ -360,7 +360,6 @@ grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx, for (size_t i = 0; i < c->args->num_args; i++) { if (0 == strcmp(c->args->args[i].key, "grpc.testing.fixed_reconnect_backoff_ms")) { - GPR_ASSERT(c->args->args[i].type == GRPC_ARG_INTEGER); fixed_reconnect_backoff = true; initial_backoff_ms = min_backoff_ms = max_backoff_ms = grpc_channel_arg_get_integer( @@ -749,11 +748,11 @@ char *grpc_subchannel_call_get_peer(grpc_exec_ctx *exec_ctx, void grpc_subchannel_call_process_op(grpc_exec_ctx *exec_ctx, grpc_subchannel_call *call, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { GPR_TIMER_BEGIN("grpc_subchannel_call_process_op", 0); grpc_call_stack *call_stack = SUBCHANNEL_CALL_TO_CALL_STACK(call); grpc_call_element *top_elem = grpc_call_stack_element(call_stack, 0); - top_elem->filter->start_transport_stream_op(exec_ctx, top_elem, op); + top_elem->filter->start_transport_stream_op_batch(exec_ctx, top_elem, op); GPR_TIMER_END("grpc_subchannel_call_process_op", 0); } diff --git a/src/core/ext/client_channel/subchannel.h b/src/core/ext/filters/client_channel/subchannel.h index 3e64a2507c..6473de49b0 100644 --- a/src/core/ext/client_channel/subchannel.h +++ b/src/core/ext/filters/client_channel/subchannel.h @@ -31,10 +31,10 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_SUBCHANNEL_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_SUBCHANNEL_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_SUBCHANNEL_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_SUBCHANNEL_H -#include "src/core/ext/client_channel/connector.h" +#include "src/core/ext/filters/client_channel/connector.h" #include "src/core/lib/channel/channel_stack.h" #include "src/core/lib/iomgr/polling_entity.h" #include "src/core/lib/support/arena.h" @@ -157,7 +157,7 @@ grpc_connected_subchannel *grpc_subchannel_get_connected_subchannel( /** continue processing a transport op */ void grpc_subchannel_call_process_op(grpc_exec_ctx *exec_ctx, grpc_subchannel_call *subchannel_call, - grpc_transport_stream_op *op); + grpc_transport_stream_op_batch *op); /** continue querying for peer */ char *grpc_subchannel_call_get_peer(grpc_exec_ctx *exec_ctx, @@ -200,4 +200,4 @@ const char *grpc_get_subchannel_address_uri_arg(const grpc_channel_args *args); /// Caller is responsible for freeing the string. grpc_arg grpc_create_subchannel_address_arg(const grpc_resolved_address *addr); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_SUBCHANNEL_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_SUBCHANNEL_H */ diff --git a/src/core/ext/client_channel/subchannel_index.c b/src/core/ext/filters/client_channel/subchannel_index.c index 11889300a2..f6ef4a845e 100644 --- a/src/core/ext/client_channel/subchannel_index.c +++ b/src/core/ext/filters/client_channel/subchannel_index.c @@ -31,7 +31,7 @@ // // -#include "src/core/ext/client_channel/subchannel_index.h" +#include "src/core/ext/filters/client_channel/subchannel_index.h" #include <stdbool.h> #include <string.h> diff --git a/src/core/ext/client_channel/subchannel_index.h b/src/core/ext/filters/client_channel/subchannel_index.h index a67bd5e219..f673ade378 100644 --- a/src/core/ext/client_channel/subchannel_index.h +++ b/src/core/ext/filters/client_channel/subchannel_index.h @@ -31,11 +31,11 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_SUBCHANNEL_INDEX_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_SUBCHANNEL_INDEX_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_SUBCHANNEL_INDEX_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_SUBCHANNEL_INDEX_H -#include "src/core/ext/client_channel/connector.h" -#include "src/core/ext/client_channel/subchannel.h" +#include "src/core/ext/filters/client_channel/connector.h" +#include "src/core/ext/filters/client_channel/subchannel.h" /** \file Provides an index of active subchannels so that they can be shared amongst channels */ @@ -74,4 +74,4 @@ void grpc_subchannel_index_init(void); /** Shutdown the subchannel index (global) */ void grpc_subchannel_index_shutdown(void); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_SUBCHANNEL_INDEX_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_SUBCHANNEL_INDEX_H */ diff --git a/src/core/ext/client_channel/uri_parser.c b/src/core/ext/filters/client_channel/uri_parser.c index d385db0801..01b99911aa 100644 --- a/src/core/ext/client_channel/uri_parser.c +++ b/src/core/ext/filters/client_channel/uri_parser.c @@ -31,7 +31,7 @@ * */ -#include "src/core/ext/client_channel/uri_parser.h" +#include "src/core/ext/filters/client_channel/uri_parser.h" #include <string.h> diff --git a/src/core/ext/client_channel/uri_parser.h b/src/core/ext/filters/client_channel/uri_parser.h index efd4302c1c..2698d448d8 100644 --- a/src/core/ext/client_channel/uri_parser.h +++ b/src/core/ext/filters/client_channel/uri_parser.h @@ -31,8 +31,8 @@ * */ -#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_URI_PARSER_H -#define GRPC_CORE_EXT_CLIENT_CHANNEL_URI_PARSER_H +#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_URI_PARSER_H +#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_URI_PARSER_H #include <stddef.h> #include "src/core/lib/iomgr/exec_ctx.h" @@ -62,4 +62,4 @@ const char *grpc_uri_get_query_arg(const grpc_uri *uri, const char *key); /** destroy a uri */ void grpc_uri_destroy(grpc_uri *uri); -#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_URI_PARSER_H */ +#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_URI_PARSER_H */ diff --git a/src/core/ext/load_reporting/load_reporting.c b/src/core/ext/filters/load_reporting/load_reporting.c index 942aea4fd1..9fb33bab71 100644 --- a/src/core/ext/load_reporting/load_reporting.c +++ b/src/core/ext/filters/load_reporting/load_reporting.c @@ -38,8 +38,8 @@ #include <grpc/support/alloc.h> #include <grpc/support/sync.h> -#include "src/core/ext/load_reporting/load_reporting.h" -#include "src/core/ext/load_reporting/load_reporting_filter.h" +#include "src/core/ext/filters/load_reporting/load_reporting.h" +#include "src/core/ext/filters/load_reporting/load_reporting_filter.h" #include "src/core/lib/channel/channel_stack_builder.h" #include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/surface/call.h" diff --git a/src/core/ext/load_reporting/load_reporting.h b/src/core/ext/filters/load_reporting/load_reporting.h index 22859a599a..e05a9dcc71 100644 --- a/src/core/ext/load_reporting/load_reporting.h +++ b/src/core/ext/filters/load_reporting/load_reporting.h @@ -31,8 +31,8 @@ * */ -#ifndef GRPC_CORE_EXT_LOAD_REPORTING_LOAD_REPORTING_H -#define GRPC_CORE_EXT_LOAD_REPORTING_LOAD_REPORTING_H +#ifndef GRPC_CORE_EXT_FILTERS_LOAD_REPORTING_LOAD_REPORTING_H +#define GRPC_CORE_EXT_FILTERS_LOAD_REPORTING_LOAD_REPORTING_H #include <grpc/impl/codegen/grpc_types.h> @@ -70,4 +70,4 @@ typedef struct grpc_load_reporting_call_data { /** Return a \a grpc_arg enabling load reporting */ grpc_arg grpc_load_reporting_enable_arg(); -#endif /* GRPC_CORE_EXT_LOAD_REPORTING_LOAD_REPORTING_H */ +#endif /* GRPC_CORE_EXT_FILTERS_LOAD_REPORTING_LOAD_REPORTING_H */ diff --git a/src/core/ext/load_reporting/load_reporting_filter.c b/src/core/ext/filters/load_reporting/load_reporting_filter.c index ea57c85c3a..57b25d0651 100644 --- a/src/core/ext/load_reporting/load_reporting_filter.c +++ b/src/core/ext/filters/load_reporting/load_reporting_filter.c @@ -39,8 +39,8 @@ #include <grpc/support/string_util.h> #include <grpc/support/sync.h> -#include "src/core/ext/load_reporting/load_reporting.h" -#include "src/core/ext/load_reporting/load_reporting_filter.h" +#include "src/core/ext/filters/load_reporting/load_reporting.h" +#include "src/core/ext/filters/load_reporting/load_reporting_filter.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/profiling/timers.h" #include "src/core/lib/slice/slice_internal.h" @@ -183,25 +183,28 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, */ } -static void lr_start_transport_stream_op(grpc_exec_ctx *exec_ctx, - grpc_call_element *elem, - grpc_transport_stream_op *op) { - GPR_TIMER_BEGIN("lr_start_transport_stream_op", 0); +static void lr_start_transport_stream_op_batch( + grpc_exec_ctx *exec_ctx, grpc_call_element *elem, + grpc_transport_stream_op_batch *op) { + GPR_TIMER_BEGIN("lr_start_transport_stream_op_batch", 0); call_data *calld = elem->call_data; if (op->recv_initial_metadata) { - calld->recv_initial_metadata = op->recv_initial_metadata; + calld->recv_initial_metadata = + op->payload->recv_initial_metadata.recv_initial_metadata; /* substitute our callback for the higher callback */ - calld->ops_recv_initial_metadata_ready = op->recv_initial_metadata_ready; - op->recv_initial_metadata_ready = &calld->on_initial_md_ready; + calld->ops_recv_initial_metadata_ready = + op->payload->recv_initial_metadata.recv_initial_metadata_ready; + op->payload->recv_initial_metadata.recv_initial_metadata_ready = + &calld->on_initial_md_ready; } grpc_call_next_op(exec_ctx, elem, op); - GPR_TIMER_END("lr_start_transport_stream_op", 0); + GPR_TIMER_END("lr_start_transport_stream_op_batch", 0); } const grpc_channel_filter grpc_load_reporting_filter = { - lr_start_transport_stream_op, + lr_start_transport_stream_op_batch, grpc_channel_next_op, sizeof(call_data), init_call_elem, diff --git a/src/core/ext/load_reporting/load_reporting_filter.h b/src/core/ext/filters/load_reporting/load_reporting_filter.h index 160ed32af9..da884a1479 100644 --- a/src/core/ext/load_reporting/load_reporting_filter.h +++ b/src/core/ext/filters/load_reporting/load_reporting_filter.h @@ -31,12 +31,12 @@ * */ -#ifndef GRPC_CORE_EXT_LOAD_REPORTING_LOAD_REPORTING_FILTER_H -#define GRPC_CORE_EXT_LOAD_REPORTING_LOAD_REPORTING_FILTER_H +#ifndef GRPC_CORE_EXT_FILTERS_LOAD_REPORTING_LOAD_REPORTING_FILTER_H +#define GRPC_CORE_EXT_FILTERS_LOAD_REPORTING_LOAD_REPORTING_FILTER_H -#include "src/core/ext/load_reporting/load_reporting.h" +#include "src/core/ext/filters/load_reporting/load_reporting.h" #include "src/core/lib/channel/channel_stack.h" extern const grpc_channel_filter grpc_load_reporting_filter; -#endif /* GRPC_CORE_EXT_LOAD_REPORTING_LOAD_REPORTING_FILTER_H */ +#endif /* GRPC_CORE_EXT_FILTERS_LOAD_REPORTING_LOAD_REPORTING_FILTER_H */ diff --git a/src/core/ext/filters/max_age/max_age_filter.c b/src/core/ext/filters/max_age/max_age_filter.c new file mode 100644 index 0000000000..b03cb0ba0a --- /dev/null +++ b/src/core/ext/filters/max_age/max_age_filter.c @@ -0,0 +1,419 @@ +/* + * + * Copyright 2017, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "src/core/lib/channel/message_size_filter.h" + +#include <limits.h> +#include <string.h> + +#include "src/core/lib/channel/channel_args.h" +#include "src/core/lib/channel/channel_stack_builder.h" +#include "src/core/lib/iomgr/timer.h" +#include "src/core/lib/surface/channel_init.h" +#include "src/core/lib/transport/http2_errors.h" +#include "src/core/lib/transport/service_config.h" + +#define DEFAULT_MAX_CONNECTION_AGE_MS INT_MAX +#define DEFAULT_MAX_CONNECTION_AGE_GRACE_MS INT_MAX +#define DEFAULT_MAX_CONNECTION_IDLE_MS INT_MAX + +typedef struct channel_data { + /* We take a reference to the channel stack for the timer callback */ + grpc_channel_stack* channel_stack; + /* Guards access to max_age_timer, max_age_timer_pending, max_age_grace_timer + and max_age_grace_timer_pending */ + gpr_mu max_age_timer_mu; + /* True if the max_age timer callback is currently pending */ + bool max_age_timer_pending; + /* True if the max_age_grace timer callback is currently pending */ + bool max_age_grace_timer_pending; + /* The timer for checking if the channel has reached its max age */ + grpc_timer max_age_timer; + /* The timer for checking if the max-aged channel has uesed up the grace + period */ + grpc_timer max_age_grace_timer; + /* The timer for checking if the channel's idle duration reaches + max_connection_idle */ + grpc_timer max_idle_timer; + /* Allowed max time a channel may have no outstanding rpcs */ + gpr_timespec max_connection_idle; + /* Allowed max time a channel may exist */ + gpr_timespec max_connection_age; + /* Allowed grace period after the channel reaches its max age */ + gpr_timespec max_connection_age_grace; + /* Closure to run when the channel's idle duration reaches max_connection_idle + and should be closed gracefully */ + grpc_closure close_max_idle_channel; + /* Closure to run when the channel reaches its max age and should be closed + gracefully */ + grpc_closure close_max_age_channel; + /* Closure to run the channel uses up its max age grace time and should be + closed forcibly */ + grpc_closure force_close_max_age_channel; + /* Closure to run when the init fo channel stack is done and the max_idle + timer should be started */ + grpc_closure start_max_idle_timer_after_init; + /* Closure to run when the init fo channel stack is done and the max_age timer + should be started */ + grpc_closure start_max_age_timer_after_init; + /* Closure to run when the goaway op is finished and the max_age_timer */ + grpc_closure start_max_age_grace_timer_after_goaway_op; + /* Closure to run when the channel connectivity state changes */ + grpc_closure channel_connectivity_changed; + /* Records the current connectivity state */ + grpc_connectivity_state connectivity_state; + /* Number of active calls */ + gpr_atm call_count; +} channel_data; + +/* Increase the nubmer of active calls. Before the increasement, if there are no + calls, the max_idle_timer should be cancelled. */ +static void increase_call_count(grpc_exec_ctx* exec_ctx, channel_data* chand) { + if (gpr_atm_full_fetch_add(&chand->call_count, 1) == 0) { + grpc_timer_cancel(exec_ctx, &chand->max_idle_timer); + } +} + +/* Decrease the nubmer of active calls. After the decrement, if there are no + calls, the max_idle_timer should be started. */ +static void decrease_call_count(grpc_exec_ctx* exec_ctx, channel_data* chand) { + if (gpr_atm_full_fetch_add(&chand->call_count, -1) == 1) { + GRPC_CHANNEL_STACK_REF(chand->channel_stack, "max_age max_idle_timer"); + grpc_timer_init( + exec_ctx, &chand->max_idle_timer, + gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), chand->max_connection_idle), + &chand->close_max_idle_channel, gpr_now(GPR_CLOCK_MONOTONIC)); + } +} + +static void start_max_idle_timer_after_init(grpc_exec_ctx* exec_ctx, void* arg, + grpc_error* error) { + channel_data* chand = arg; + /* Decrease call_count. If there are no active calls at this time, + max_idle_timer will start here. If the number of active calls is not 0, + max_idle_timer will start after all the active calls end. */ + decrease_call_count(exec_ctx, chand); + GRPC_CHANNEL_STACK_UNREF(exec_ctx, chand->channel_stack, + "max_age start_max_idle_timer_after_init"); +} + +static void start_max_age_timer_after_init(grpc_exec_ctx* exec_ctx, void* arg, + grpc_error* error) { + channel_data* chand = arg; + gpr_mu_lock(&chand->max_age_timer_mu); + chand->max_age_timer_pending = true; + GRPC_CHANNEL_STACK_REF(chand->channel_stack, "max_age max_age_timer"); + grpc_timer_init( + exec_ctx, &chand->max_age_timer, + gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), chand->max_connection_age), + &chand->close_max_age_channel, gpr_now(GPR_CLOCK_MONOTONIC)); + gpr_mu_unlock(&chand->max_age_timer_mu); + grpc_transport_op* op = grpc_make_transport_op(NULL); + op->on_connectivity_state_change = &chand->channel_connectivity_changed, + op->connectivity_state = &chand->connectivity_state; + grpc_channel_next_op(exec_ctx, + grpc_channel_stack_element(chand->channel_stack, 0), op); + GRPC_CHANNEL_STACK_UNREF(exec_ctx, chand->channel_stack, + "max_age start_max_age_timer_after_init"); +} + +static void start_max_age_grace_timer_after_goaway_op(grpc_exec_ctx* exec_ctx, + void* arg, + grpc_error* error) { + channel_data* chand = arg; + gpr_mu_lock(&chand->max_age_timer_mu); + chand->max_age_grace_timer_pending = true; + GRPC_CHANNEL_STACK_REF(chand->channel_stack, "max_age max_age_grace_timer"); + grpc_timer_init(exec_ctx, &chand->max_age_grace_timer, + gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), + chand->max_connection_age_grace), + &chand->force_close_max_age_channel, + gpr_now(GPR_CLOCK_MONOTONIC)); + gpr_mu_unlock(&chand->max_age_timer_mu); + GRPC_CHANNEL_STACK_UNREF(exec_ctx, chand->channel_stack, + "max_age start_max_age_grace_timer_after_goaway_op"); +} + +static void close_max_idle_channel(grpc_exec_ctx* exec_ctx, void* arg, + grpc_error* error) { + channel_data* chand = arg; + gpr_atm_no_barrier_fetch_add(&chand->call_count, 1); + if (error == GRPC_ERROR_NONE) { + grpc_transport_op* op = grpc_make_transport_op(NULL); + op->goaway_error = + grpc_error_set_int(GRPC_ERROR_CREATE_FROM_STATIC_STRING("max_idle"), + GRPC_ERROR_INT_HTTP2_ERROR, GRPC_HTTP2_NO_ERROR); + grpc_channel_element* elem = + grpc_channel_stack_element(chand->channel_stack, 0); + elem->filter->start_transport_op(exec_ctx, elem, op); + } else if (error != GRPC_ERROR_CANCELLED) { + GRPC_LOG_IF_ERROR("close_max_idle_channel", error); + } + GRPC_CHANNEL_STACK_UNREF(exec_ctx, chand->channel_stack, + "max_age max_idle_timer"); +} + +static void close_max_age_channel(grpc_exec_ctx* exec_ctx, void* arg, + grpc_error* error) { + channel_data* chand = arg; + gpr_mu_lock(&chand->max_age_timer_mu); + chand->max_age_timer_pending = false; + gpr_mu_unlock(&chand->max_age_timer_mu); + if (error == GRPC_ERROR_NONE) { + GRPC_CHANNEL_STACK_REF(chand->channel_stack, + "max_age start_max_age_grace_timer_after_goaway_op"); + grpc_transport_op* op = grpc_make_transport_op( + &chand->start_max_age_grace_timer_after_goaway_op); + op->goaway_error = + grpc_error_set_int(GRPC_ERROR_CREATE_FROM_STATIC_STRING("max_age"), + GRPC_ERROR_INT_HTTP2_ERROR, GRPC_HTTP2_NO_ERROR); + grpc_channel_element* elem = + grpc_channel_stack_element(chand->channel_stack, 0); + elem->filter->start_transport_op(exec_ctx, elem, op); + } else if (error != GRPC_ERROR_CANCELLED) { + GRPC_LOG_IF_ERROR("close_max_age_channel", error); + } + GRPC_CHANNEL_STACK_UNREF(exec_ctx, chand->channel_stack, + "max_age max_age_timer"); +} + +static void force_close_max_age_channel(grpc_exec_ctx* exec_ctx, void* arg, + grpc_error* error) { + channel_data* chand = arg; + gpr_mu_lock(&chand->max_age_timer_mu); + chand->max_age_grace_timer_pending = false; + gpr_mu_unlock(&chand->max_age_timer_mu); + if (error == GRPC_ERROR_NONE) { + grpc_transport_op* op = grpc_make_transport_op(NULL); + op->disconnect_with_error = + GRPC_ERROR_CREATE_FROM_STATIC_STRING("Channel reaches max age"); + grpc_channel_element* elem = + grpc_channel_stack_element(chand->channel_stack, 0); + elem->filter->start_transport_op(exec_ctx, elem, op); + } else if (error != GRPC_ERROR_CANCELLED) { + GRPC_LOG_IF_ERROR("force_close_max_age_channel", error); + } + GRPC_CHANNEL_STACK_UNREF(exec_ctx, chand->channel_stack, + "max_age max_age_grace_timer"); +} + +static void channel_connectivity_changed(grpc_exec_ctx* exec_ctx, void* arg, + grpc_error* error) { + channel_data* chand = arg; + if (chand->connectivity_state != GRPC_CHANNEL_SHUTDOWN) { + grpc_transport_op* op = grpc_make_transport_op(NULL); + op->on_connectivity_state_change = &chand->channel_connectivity_changed, + op->connectivity_state = &chand->connectivity_state; + grpc_channel_next_op( + exec_ctx, grpc_channel_stack_element(chand->channel_stack, 0), op); + } else { + gpr_mu_lock(&chand->max_age_timer_mu); + if (chand->max_age_timer_pending) { + grpc_timer_cancel(exec_ctx, &chand->max_age_timer); + chand->max_age_timer_pending = false; + } + if (chand->max_age_grace_timer_pending) { + grpc_timer_cancel(exec_ctx, &chand->max_age_grace_timer); + chand->max_age_grace_timer_pending = false; + } + gpr_mu_unlock(&chand->max_age_timer_mu); + /* If there are no active calls, this increasement will cancel + max_idle_timer, and prevent max_idle_timer from being started in the + future. */ + increase_call_count(exec_ctx, chand); + } +} + +/* Constructor for call_data. */ +static grpc_error* init_call_elem(grpc_exec_ctx* exec_ctx, + grpc_call_element* elem, + const grpc_call_element_args* args) { + channel_data* chand = elem->channel_data; + increase_call_count(exec_ctx, chand); + return GRPC_ERROR_NONE; +} + +/* Destructor for call_data. */ +static void destroy_call_elem(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, + const grpc_call_final_info* final_info, + grpc_closure* ignored) { + channel_data* chand = elem->channel_data; + decrease_call_count(exec_ctx, chand); +} + +/* Constructor for channel_data. */ +static grpc_error* init_channel_elem(grpc_exec_ctx* exec_ctx, + grpc_channel_element* elem, + grpc_channel_element_args* args) { + channel_data* chand = elem->channel_data; + gpr_mu_init(&chand->max_age_timer_mu); + chand->max_age_timer_pending = false; + chand->max_age_grace_timer_pending = false; + chand->channel_stack = args->channel_stack; + chand->max_connection_age = + DEFAULT_MAX_CONNECTION_AGE_MS == INT_MAX + ? gpr_inf_future(GPR_TIMESPAN) + : gpr_time_from_millis(DEFAULT_MAX_CONNECTION_AGE_MS, GPR_TIMESPAN); + chand->max_connection_age_grace = + DEFAULT_MAX_CONNECTION_AGE_GRACE_MS == INT_MAX + ? gpr_inf_future(GPR_TIMESPAN) + : gpr_time_from_millis(DEFAULT_MAX_CONNECTION_AGE_GRACE_MS, + GPR_TIMESPAN); + chand->max_connection_idle = + DEFAULT_MAX_CONNECTION_IDLE_MS == INT_MAX + ? gpr_inf_future(GPR_TIMESPAN) + : gpr_time_from_millis(DEFAULT_MAX_CONNECTION_IDLE_MS, GPR_TIMESPAN); + for (size_t i = 0; i < args->channel_args->num_args; ++i) { + if (0 == strcmp(args->channel_args->args[i].key, + GRPC_ARG_MAX_CONNECTION_AGE_MS)) { + const int value = grpc_channel_arg_get_integer( + &args->channel_args->args[i], + (grpc_integer_options){DEFAULT_MAX_CONNECTION_AGE_MS, 1, INT_MAX}); + chand->max_connection_age = + value == INT_MAX ? gpr_inf_future(GPR_TIMESPAN) + : gpr_time_from_millis(value, GPR_TIMESPAN); + } else if (0 == strcmp(args->channel_args->args[i].key, + GRPC_ARG_MAX_CONNECTION_AGE_GRACE_MS)) { + const int value = grpc_channel_arg_get_integer( + &args->channel_args->args[i], + (grpc_integer_options){DEFAULT_MAX_CONNECTION_AGE_GRACE_MS, 0, + INT_MAX}); + chand->max_connection_age_grace = + value == INT_MAX ? gpr_inf_future(GPR_TIMESPAN) + : gpr_time_from_millis(value, GPR_TIMESPAN); + } else if (0 == strcmp(args->channel_args->args[i].key, + GRPC_ARG_MAX_CONNECTION_IDLE_MS)) { + const int value = grpc_channel_arg_get_integer( + &args->channel_args->args[i], + (grpc_integer_options){DEFAULT_MAX_CONNECTION_IDLE_MS, 1, INT_MAX}); + chand->max_connection_idle = + value == INT_MAX ? gpr_inf_future(GPR_TIMESPAN) + : gpr_time_from_millis(value, GPR_TIMESPAN); + } + } + grpc_closure_init(&chand->close_max_idle_channel, close_max_idle_channel, + chand, grpc_schedule_on_exec_ctx); + grpc_closure_init(&chand->close_max_age_channel, close_max_age_channel, chand, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&chand->force_close_max_age_channel, + force_close_max_age_channel, chand, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&chand->start_max_idle_timer_after_init, + start_max_idle_timer_after_init, chand, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&chand->start_max_age_timer_after_init, + start_max_age_timer_after_init, chand, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&chand->start_max_age_grace_timer_after_goaway_op, + start_max_age_grace_timer_after_goaway_op, chand, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&chand->channel_connectivity_changed, + channel_connectivity_changed, chand, + grpc_schedule_on_exec_ctx); + + if (gpr_time_cmp(chand->max_connection_age, gpr_inf_future(GPR_TIMESPAN)) != + 0) { + /* When the channel reaches its max age, we send down an op with + goaway_error set. However, we can't send down any ops until after the + channel stack is fully initialized. If we start the timer here, we have + no guarantee that the timer won't pop before channel stack initialization + is finished. To avoid that problem, we create a closure to start the + timer, and we schedule that closure to be run after call stack + initialization is done. */ + GRPC_CHANNEL_STACK_REF(chand->channel_stack, + "max_age start_max_age_timer_after_init"); + grpc_closure_sched(exec_ctx, &chand->start_max_age_timer_after_init, + GRPC_ERROR_NONE); + } + + /* Initialize the number of calls as 1, so that the max_idle_timer will not + start until start_max_idle_timer_after_init is invoked. */ + gpr_atm_rel_store(&chand->call_count, 1); + if (gpr_time_cmp(chand->max_connection_idle, gpr_inf_future(GPR_TIMESPAN)) != + 0) { + GRPC_CHANNEL_STACK_REF(chand->channel_stack, + "max_age start_max_idle_timer_after_init"); + grpc_closure_sched(exec_ctx, &chand->start_max_idle_timer_after_init, + GRPC_ERROR_NONE); + } + return GRPC_ERROR_NONE; +} + +/* Destructor for channel_data. */ +static void destroy_channel_elem(grpc_exec_ctx* exec_ctx, + grpc_channel_element* elem) {} + +const grpc_channel_filter grpc_max_age_filter = { + grpc_call_next_op, + grpc_channel_next_op, + 0, /* sizeof_call_data */ + init_call_elem, + grpc_call_stack_ignore_set_pollset_or_pollset_set, + destroy_call_elem, + sizeof(channel_data), + init_channel_elem, + destroy_channel_elem, + grpc_call_next_get_peer, + grpc_channel_next_get_info, + "max_age"}; + +static bool maybe_add_max_age_filter(grpc_exec_ctx* exec_ctx, + grpc_channel_stack_builder* builder, + void* arg) { + const grpc_channel_args* channel_args = + grpc_channel_stack_builder_get_channel_arguments(builder); + const grpc_arg* a = + grpc_channel_args_find(channel_args, GRPC_ARG_MAX_CONNECTION_AGE_MS); + bool enable = false; + if (a != NULL && a->type == GRPC_ARG_INTEGER && a->value.integer != INT_MAX) { + enable = true; + } + a = grpc_channel_args_find(channel_args, GRPC_ARG_MAX_CONNECTION_IDLE_MS); + if (a != NULL && a->type == GRPC_ARG_INTEGER && a->value.integer != INT_MAX) { + enable = true; + } + if (enable) { + return grpc_channel_stack_builder_prepend_filter( + builder, &grpc_max_age_filter, NULL, NULL); + } else { + return true; + } +} + +void grpc_max_age_filter_init(void) { + grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, + GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, + maybe_add_max_age_filter, NULL); +} + +void grpc_max_age_filter_shutdown(void) {} diff --git a/src/core/ext/filters/max_age/max_age_filter.h b/src/core/ext/filters/max_age/max_age_filter.h new file mode 100644 index 0000000000..ed2015297a --- /dev/null +++ b/src/core/ext/filters/max_age/max_age_filter.h @@ -0,0 +1,39 @@ +// +// Copyright 2017, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// + +#ifndef GRPC_CORE_EXT_FILTERS_MAX_AGE_MAX_AGE_FILTER_H +#define GRPC_CORE_EXT_FILTERS_MAX_AGE_MAX_AGE_FILTER_H + +#include "src/core/lib/channel/channel_stack.h" + +extern const grpc_channel_filter grpc_max_age_filter; + +#endif /* GRPC_CORE_EXT_FILTERS_MAX_AGE_MAX_AGE_FILTER_H */ diff --git a/src/core/ext/transport/chttp2/client/chttp2_connector.c b/src/core/ext/transport/chttp2/client/chttp2_connector.c index 2b226c1bf7..e645eda7e3 100644 --- a/src/core/ext/transport/chttp2/client/chttp2_connector.c +++ b/src/core/ext/transport/chttp2/client/chttp2_connector.c @@ -41,9 +41,9 @@ #include <grpc/support/alloc.h> #include <grpc/support/string_util.h> -#include "src/core/ext/client_channel/connector.h" -#include "src/core/ext/client_channel/http_connect_handshaker.h" -#include "src/core/ext/client_channel/subchannel.h" +#include "src/core/ext/filters/client_channel/connector.h" +#include "src/core/ext/filters/client_channel/http_connect_handshaker.h" +#include "src/core/ext/filters/client_channel/subchannel.h" #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/channel/handshaker.h" diff --git a/src/core/ext/transport/chttp2/client/chttp2_connector.h b/src/core/ext/transport/chttp2/client/chttp2_connector.h index f5d1025432..d55f6ed669 100644 --- a/src/core/ext/transport/chttp2/client/chttp2_connector.h +++ b/src/core/ext/transport/chttp2/client/chttp2_connector.h @@ -34,7 +34,7 @@ #ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_CLIENT_CHTTP2_CONNECTOR_H #define GRPC_CORE_EXT_TRANSPORT_CHTTP2_CLIENT_CHTTP2_CONNECTOR_H -#include "src/core/ext/client_channel/connector.h" +#include "src/core/ext/filters/client_channel/connector.h" grpc_connector* grpc_chttp2_connector_create(); diff --git a/src/core/ext/transport/chttp2/client/insecure/channel_create.c b/src/core/ext/transport/chttp2/client/insecure/channel_create.c index 067ac35a5a..9c8505ddfa 100644 --- a/src/core/ext/transport/chttp2/client/insecure/channel_create.c +++ b/src/core/ext/transport/chttp2/client/insecure/channel_create.c @@ -38,8 +38,8 @@ #include <grpc/support/alloc.h> #include <grpc/support/string_util.h> -#include "src/core/ext/client_channel/client_channel.h" -#include "src/core/ext/client_channel/resolver_registry.h" +#include "src/core/ext/filters/client_channel/client_channel.h" +#include "src/core/ext/filters/client_channel/resolver_registry.h" #include "src/core/ext/transport/chttp2/client/chttp2_connector.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/surface/api_trace.h" diff --git a/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c index f0c241d68e..119adfade1 100644 --- a/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c +++ b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c @@ -38,9 +38,9 @@ #include <grpc/support/alloc.h> #include <grpc/support/string_util.h> -#include "src/core/ext/client_channel/client_channel.h" -#include "src/core/ext/client_channel/resolver_registry.h" -#include "src/core/ext/client_channel/uri_parser.h" +#include "src/core/ext/filters/client_channel/client_channel.h" +#include "src/core/ext/filters/client_channel/resolver_registry.h" +#include "src/core/ext/filters/client_channel/uri_parser.h" #include "src/core/ext/transport/chttp2/client/chttp2_connector.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/iomgr/sockaddr_utils.h" diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c index 8676a3752e..a8e320d037 100644 --- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c +++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c @@ -69,10 +69,16 @@ #define MAX_WRITE_BUFFER_SIZE (64 * 1024 * 1024) #define DEFAULT_MAX_HEADER_LIST_SIZE (16 * 1024) -#define DEFAULT_KEEPALIVE_TIME_SECOND INT_MAX -#define DEFAULT_KEEPALIVE_TIMEOUT_SECOND 20 +#define DEFAULT_CLIENT_KEEPALIVE_TIME_S INT_MAX +#define DEFAULT_CLIENT_KEEPALIVE_TIMEOUT_S 20 #define DEFAULT_KEEPALIVE_PERMIT_WITHOUT_CALLS false +static int g_default_client_keepalive_time_s = DEFAULT_CLIENT_KEEPALIVE_TIME_S; +static int g_default_client_keepalive_timeout_s = + DEFAULT_CLIENT_KEEPALIVE_TIMEOUT_S; +static bool g_default_keepalive_permit_without_calls = + DEFAULT_KEEPALIVE_PERMIT_WITHOUT_CALLS; + #define MAX_CLIENT_STREAM_ID 0x7fffffffu int grpc_http_trace = 0; int grpc_flowctl_trace = 0; @@ -142,6 +148,8 @@ static void send_ping_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_ping_type ping_type, grpc_closure *on_initiate, grpc_closure *on_complete); +static void retry_initiate_ping_locked(grpc_exec_ctx *exec_ctx, void *tp, + grpc_error *error); #define DEFAULT_MIN_TIME_BETWEEN_PINGS_MS 0 #define DEFAULT_MAX_PINGS_BETWEEN_DATA 3 @@ -267,6 +275,8 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_closure_init(&t->destructive_reclaimer_locked, destructive_reclaimer_locked, t, grpc_combiner_scheduler(t->combiner, false)); + grpc_closure_init(&t->retry_initiate_ping_locked, retry_initiate_ping_locked, + t, grpc_combiner_scheduler(t->combiner, false)); grpc_closure_init(&t->start_bdp_ping_locked, start_bdp_ping_locked, t, grpc_combiner_scheduler(t->combiner, false)); grpc_closure_init(&t->finish_bdp_ping_locked, finish_bdp_ping_locked, t, @@ -345,15 +355,16 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, /* client-side keepalive setting */ t->keepalive_time = - DEFAULT_KEEPALIVE_TIME_SECOND == INT_MAX + g_default_client_keepalive_time_s == INT_MAX ? gpr_inf_future(GPR_TIMESPAN) - : gpr_time_from_seconds(DEFAULT_KEEPALIVE_TIME_SECOND, GPR_TIMESPAN); + : gpr_time_from_seconds(g_default_client_keepalive_time_s, + GPR_TIMESPAN); t->keepalive_timeout = - DEFAULT_KEEPALIVE_TIMEOUT_SECOND == INT_MAX + g_default_client_keepalive_timeout_s == INT_MAX ? gpr_inf_future(GPR_TIMESPAN) - : gpr_time_from_seconds(DEFAULT_KEEPALIVE_TIMEOUT_SECOND, + : gpr_time_from_seconds(g_default_client_keepalive_timeout_s, GPR_TIMESPAN); - t->keepalive_permit_without_calls = DEFAULT_KEEPALIVE_PERMIT_WITHOUT_CALLS; + t->keepalive_permit_without_calls = g_default_keepalive_permit_without_calls; if (channel_args) { for (i = 0; i < channel_args->num_args; i++) { @@ -403,24 +414,25 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, t->enable_bdp_probe = grpc_channel_arg_get_integer( &channel_args->args[i], (grpc_integer_options){1, 0, 1}); } else if (0 == strcmp(channel_args->args[i].key, - GRPC_ARG_HTTP2_KEEPALIVE_TIME)) { + GRPC_ARG_CLIENT_KEEPALIVE_TIME_S)) { const int value = grpc_channel_arg_get_integer( &channel_args->args[i], - (grpc_integer_options){DEFAULT_KEEPALIVE_TIME_SECOND, 1, INT_MAX}); + (grpc_integer_options){g_default_client_keepalive_time_s, 1, + INT_MAX}); t->keepalive_time = value == INT_MAX ? gpr_inf_future(GPR_TIMESPAN) : gpr_time_from_seconds(value, GPR_TIMESPAN); } else if (0 == strcmp(channel_args->args[i].key, - GRPC_ARG_HTTP2_KEEPALIVE_TIMEOUT)) { + GRPC_ARG_CLIENT_KEEPALIVE_TIMEOUT_S)) { const int value = grpc_channel_arg_get_integer( &channel_args->args[i], - (grpc_integer_options){DEFAULT_KEEPALIVE_TIMEOUT_SECOND, 0, + (grpc_integer_options){g_default_client_keepalive_timeout_s, 0, INT_MAX}); t->keepalive_timeout = value == INT_MAX ? gpr_inf_future(GPR_TIMESPAN) : gpr_time_from_seconds(value, GPR_TIMESPAN); } else if (0 == strcmp(channel_args->args[i].key, - GRPC_ARG_HTTP2_KEEPALIVE_PERMIT_WITHOUT_CALLS)) { + GRPC_ARG_KEEPALIVE_PERMIT_WITHOUT_CALLS)) { t->keepalive_permit_without_calls = (uint32_t)grpc_channel_arg_get_integer( &channel_args->args[i], (grpc_integer_options){0, 0, 1}); @@ -474,6 +486,7 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, t->ping_state.pings_before_data_required = t->ping_policy.max_pings_without_data; + t->ping_state.is_delayed_ping_timer_set = false; /** Start client-side keepalive pings */ if (t->is_client) { @@ -1089,7 +1102,7 @@ static void continue_fetching_send_locked(grpc_exec_ctx *exec_ctx, return; /* early out */ } else if (grpc_byte_stream_next(exec_ctx, s->fetching_send_message, &s->fetching_slice, UINT32_MAX, - &s->complete_fetch)) { + &s->complete_fetch_locked)) { add_fetched_slice_locked(exec_ctx, t, s); } } @@ -1127,20 +1140,23 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, grpc_error *error_ignored) { GPR_TIMER_BEGIN("perform_stream_op_locked", 0); - grpc_transport_stream_op *op = stream_op; - grpc_chttp2_transport *t = op->handler_private.args[0]; - grpc_chttp2_stream *s = op->handler_private.args[1]; + grpc_transport_stream_op_batch *op = stream_op; + grpc_chttp2_stream *s = op->handler_private.extra_arg; + grpc_transport_stream_op_batch_payload *op_payload = op->payload; + grpc_chttp2_transport *t = s->t; if (grpc_http_trace) { - char *str = grpc_transport_stream_op_string(op); + char *str = grpc_transport_stream_op_batch_string(op); gpr_log(GPR_DEBUG, "perform_stream_op_locked: %s; on_complete = %p", str, op->on_complete); gpr_free(str); if (op->send_initial_metadata) { - log_metadata(op->send_initial_metadata, s->id, t->is_client, true); + log_metadata(op_payload->send_initial_metadata.send_initial_metadata, + s->id, t->is_client, true); } if (op->send_trailing_metadata) { - log_metadata(op->send_trailing_metadata, s->id, t->is_client, false); + log_metadata(op_payload->send_trailing_metadata.send_trailing_metadata, + s->id, t->is_client, false); } } @@ -1155,23 +1171,25 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, on_complete->next_data.scratch = CLOSURE_BARRIER_FIRST_REF_BIT; on_complete->error_data.error = GRPC_ERROR_NONE; - if (op->collect_stats != NULL) { + if (op->collect_stats) { GPR_ASSERT(s->collecting_stats == NULL); - s->collecting_stats = op->collect_stats; + s->collecting_stats = op_payload->collect_stats.collect_stats; on_complete->next_data.scratch |= CLOSURE_BARRIER_STATS_BIT; } - if (op->cancel_error != GRPC_ERROR_NONE) { - grpc_chttp2_cancel_stream(exec_ctx, t, s, op->cancel_error); + if (op->cancel_stream) { + grpc_chttp2_cancel_stream(exec_ctx, t, s, + op_payload->cancel_stream.cancel_error); } - if (op->send_initial_metadata != NULL) { + if (op->send_initial_metadata) { GPR_ASSERT(s->send_initial_metadata_finished == NULL); on_complete->next_data.scratch |= CLOSURE_BARRIER_MAY_COVER_WRITE; s->send_initial_metadata_finished = add_closure_barrier(on_complete); - s->send_initial_metadata = op->send_initial_metadata; + s->send_initial_metadata = + op_payload->send_initial_metadata.send_initial_metadata; const size_t metadata_size = - grpc_metadata_batch_size(op->send_initial_metadata); + grpc_metadata_batch_size(s->send_initial_metadata); const size_t metadata_peer_limit = t->settings[GRPC_PEER_SETTINGS] [GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE]; @@ -1192,7 +1210,7 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, GRPC_ERROR_INT_LIMIT, (intptr_t)metadata_peer_limit), GRPC_ERROR_INT_GRPC_STATUS, GRPC_STATUS_RESOURCE_EXHAUSTED)); } else { - if (contains_non_ok_status(op->send_initial_metadata)) { + if (contains_non_ok_status(s->send_initial_metadata)) { s->seen_error = true; } if (!s->write_closed) { @@ -1210,8 +1228,14 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, } } else { GPR_ASSERT(s->id != 0); - grpc_chttp2_become_writable(exec_ctx, t, s, - GRPC_CHTTP2_STREAM_WRITE_INITIATE_COVERED, + grpc_chttp2_stream_write_type write_type = + GRPC_CHTTP2_STREAM_WRITE_INITIATE_COVERED; + if (op->send_message && + (op->payload->send_message.send_message->flags & + GRPC_WRITE_BUFFER_HINT)) { + write_type = GRPC_CHTTP2_STREAM_WRITE_PIGGYBACK; + } + grpc_chttp2_become_writable(exec_ctx, t, s, write_type, "op.send_initial_metadata"); } } else { @@ -1226,7 +1250,7 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, } } - if (op->send_message != NULL) { + if (op->send_message) { on_complete->next_data.scratch |= CLOSURE_BARRIER_MAY_COVER_WRITE; s->fetching_send_message_finished = add_closure_barrier(op->on_complete); if (s->write_closed) { @@ -1240,14 +1264,14 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, GPR_ASSERT(s->fetching_send_message == NULL); uint8_t *frame_hdr = grpc_slice_buffer_tiny_add(&s->flow_controlled_buffer, 5); - uint32_t flags = op->send_message->flags; + uint32_t flags = op_payload->send_message.send_message->flags; frame_hdr[0] = (flags & GRPC_WRITE_INTERNAL_COMPRESS) != 0; - size_t len = op->send_message->length; + size_t len = op_payload->send_message.send_message->length; frame_hdr[1] = (uint8_t)(len >> 24); frame_hdr[2] = (uint8_t)(len >> 16); frame_hdr[3] = (uint8_t)(len >> 8); frame_hdr[4] = (uint8_t)(len); - s->fetching_send_message = op->send_message; + s->fetching_send_message = op_payload->send_message.send_message; s->fetched_send_message_length = 0; s->next_message_end_offset = s->flow_controlled_bytes_written + (int64_t)s->flow_controlled_buffer.length + @@ -1264,14 +1288,15 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, } } - if (op->send_trailing_metadata != NULL) { + if (op->send_trailing_metadata) { GPR_ASSERT(s->send_trailing_metadata_finished == NULL); on_complete->next_data.scratch |= CLOSURE_BARRIER_MAY_COVER_WRITE; s->send_trailing_metadata_finished = add_closure_barrier(on_complete); - s->send_trailing_metadata = op->send_trailing_metadata; + s->send_trailing_metadata = + op_payload->send_trailing_metadata.send_trailing_metadata; s->write_buffering = false; const size_t metadata_size = - grpc_metadata_batch_size(op->send_trailing_metadata); + grpc_metadata_batch_size(s->send_trailing_metadata); const size_t metadata_peer_limit = t->settings[GRPC_PEER_SETTINGS] [GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE]; @@ -1288,14 +1313,15 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, GRPC_ERROR_INT_LIMIT, (intptr_t)metadata_peer_limit), GRPC_ERROR_INT_GRPC_STATUS, GRPC_STATUS_RESOURCE_EXHAUSTED)); } else { - if (contains_non_ok_status(op->send_trailing_metadata)) { + if (contains_non_ok_status(s->send_trailing_metadata)) { s->seen_error = true; } if (s->write_closed) { s->send_trailing_metadata = NULL; grpc_chttp2_complete_closure_step( exec_ctx, t, s, &s->send_trailing_metadata_finished, - grpc_metadata_batch_is_empty(op->send_trailing_metadata) + grpc_metadata_batch_is_empty( + op->payload->send_trailing_metadata.send_trailing_metadata) ? GRPC_ERROR_NONE : GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Attempt to send trailing metadata after " @@ -1311,17 +1337,19 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, } } - if (op->recv_initial_metadata != NULL) { + if (op->recv_initial_metadata) { GPR_ASSERT(s->recv_initial_metadata_ready == NULL); - s->recv_initial_metadata_ready = op->recv_initial_metadata_ready; - s->recv_initial_metadata = op->recv_initial_metadata; + s->recv_initial_metadata_ready = + op_payload->recv_initial_metadata.recv_initial_metadata_ready; + s->recv_initial_metadata = + op_payload->recv_initial_metadata.recv_initial_metadata; grpc_chttp2_maybe_complete_recv_initial_metadata(exec_ctx, t, s); } - if (op->recv_message != NULL) { + if (op->recv_message) { GPR_ASSERT(s->recv_message_ready == NULL); - s->recv_message_ready = op->recv_message_ready; - s->recv_message = op->recv_message; + s->recv_message_ready = op_payload->recv_message.recv_message_ready; + s->recv_message = op_payload->recv_message.recv_message; if (s->id != 0 && (s->incoming_frames.head == NULL || s->incoming_frames.head->is_tail)) { incoming_byte_stream_update_flow_control(exec_ctx, t, s, 5, 0); @@ -1329,10 +1357,11 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, grpc_chttp2_maybe_complete_recv_message(exec_ctx, t, s); } - if (op->recv_trailing_metadata != NULL) { + if (op->recv_trailing_metadata) { GPR_ASSERT(s->recv_trailing_metadata_finished == NULL); s->recv_trailing_metadata_finished = add_closure_barrier(on_complete); - s->recv_trailing_metadata = op->recv_trailing_metadata; + s->recv_trailing_metadata = + op_payload->recv_trailing_metadata.recv_trailing_metadata; s->final_metadata_requested = true; grpc_chttp2_maybe_complete_recv_trailing_metadata(exec_ctx, t, s); } @@ -1345,19 +1374,19 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, } static void perform_stream_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt, - grpc_stream *gs, grpc_transport_stream_op *op) { + grpc_stream *gs, + grpc_transport_stream_op_batch *op) { GPR_TIMER_BEGIN("perform_stream_op", 0); grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt; grpc_chttp2_stream *s = (grpc_chttp2_stream *)gs; if (grpc_http_trace) { - char *str = grpc_transport_stream_op_string(op); + char *str = grpc_transport_stream_op_batch_string(op); gpr_log(GPR_DEBUG, "perform_stream_op[s=%p/%d]: %s", s, s->id, str); gpr_free(str); } - op->handler_private.args[0] = gt; - op->handler_private.args[1] = gs; + op->handler_private.extra_arg = gs; GRPC_CHTTP2_STREAM_REF(s, "perform_stream_op"); grpc_closure_sched( exec_ctx, @@ -1394,6 +1423,13 @@ static void send_ping_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, } } +static void retry_initiate_ping_locked(grpc_exec_ctx *exec_ctx, void *tp, + grpc_error *error) { + grpc_chttp2_transport *t = tp; + t->ping_state.is_delayed_ping_timer_set = false; + grpc_chttp2_initiate_write(exec_ctx, t, false, "retry_send_ping"); +} + void grpc_chttp2_ack_ping(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, uint64_t id) { grpc_chttp2_ping_queue *pq = @@ -1427,7 +1463,7 @@ static void perform_transport_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, grpc_error *error_ignored) { grpc_transport_op *op = stream_op; - grpc_chttp2_transport *t = op->transport_private.args[0]; + grpc_chttp2_transport *t = op->handler_private.extra_arg; grpc_error *close_transport = op->disconnect_with_error; if (op->on_connectivity_state_change != NULL) { @@ -1473,10 +1509,10 @@ static void perform_transport_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt, grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt; char *msg = grpc_transport_op_string(op); gpr_free(msg); - op->transport_private.args[0] = gt; + op->handler_private.extra_arg = gt; GRPC_CHTTP2_REF_TRANSPORT(t, "transport_op"); grpc_closure_sched( - exec_ctx, grpc_closure_init(&op->transport_private.closure, + exec_ctx, grpc_closure_init(&op->handler_private.closure, perform_transport_op_locked, op, grpc_combiner_scheduler(t->combiner, false)), GRPC_ERROR_NONE); @@ -2103,6 +2139,32 @@ static void finish_bdp_ping_locked(grpc_exec_ctx *exec_ctx, void *tp, GRPC_CHTTP2_UNREF_TRANSPORT(exec_ctx, t, "bdp_ping"); } +void grpc_chttp2_config_default_keepalive_args(grpc_channel_args *args) { + size_t i; + if (args) { + for (i = 0; i < args->num_args; i++) { + if (0 == strcmp(args->args[i].key, GRPC_ARG_CLIENT_KEEPALIVE_TIME_S)) { + g_default_client_keepalive_time_s = grpc_channel_arg_get_integer( + &args->args[i], (grpc_integer_options){ + g_default_client_keepalive_time_s, 1, INT_MAX}); + } else if (0 == strcmp(args->args[i].key, + GRPC_ARG_CLIENT_KEEPALIVE_TIMEOUT_S)) { + g_default_client_keepalive_timeout_s = grpc_channel_arg_get_integer( + &args->args[i], + (grpc_integer_options){g_default_client_keepalive_timeout_s, 0, + INT_MAX}); + } else if (0 == strcmp(args->args[i].key, + GRPC_ARG_KEEPALIVE_PERMIT_WITHOUT_CALLS)) { + g_default_keepalive_permit_without_calls = + (uint32_t)grpc_channel_arg_get_integer( + &args->args[i], + (grpc_integer_options){g_default_keepalive_permit_without_calls, + 0, 1}); + } + } + } +} + static void init_keepalive_ping_locked(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { grpc_chttp2_transport *t = arg; @@ -2146,9 +2208,7 @@ static void finish_keepalive_ping_locked(grpc_exec_ctx *exec_ctx, void *arg, grpc_timer_init( exec_ctx, &t->keepalive_ping_timer, gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), t->keepalive_time), - grpc_closure_create(init_keepalive_ping_locked, t, - grpc_combiner_scheduler(t->combiner, false)), - gpr_now(GPR_CLOCK_MONOTONIC)); + &t->init_keepalive_ping_locked, gpr_now(GPR_CLOCK_MONOTONIC)); } } GRPC_CHTTP2_UNREF_TRANSPORT(exec_ctx, t, "keepalive ping end"); diff --git a/src/core/ext/transport/chttp2/transport/frame_ping.c b/src/core/ext/transport/chttp2/transport/frame_ping.c index de8462a17e..46dafdb62f 100644 --- a/src/core/ext/transport/chttp2/transport/frame_ping.c +++ b/src/core/ext/transport/chttp2/transport/frame_ping.c @@ -40,6 +40,8 @@ #include <grpc/support/log.h> #include <grpc/support/string_util.h> +static bool g_disable_ping_ack = false; + grpc_slice grpc_chttp2_ping_create(uint8_t ack, uint64_t opaque_8bytes) { grpc_slice slice = grpc_slice_malloc(9 + 8); uint8_t *p = GRPC_SLICE_START_PTR(slice); @@ -101,15 +103,21 @@ grpc_error *grpc_chttp2_ping_parser_parse(grpc_exec_ctx *exec_ctx, void *parser, if (p->is_ack) { grpc_chttp2_ack_ping(exec_ctx, t, p->opaque_8bytes); } else { - if (t->ping_ack_count == t->ping_ack_capacity) { - t->ping_ack_capacity = GPR_MAX(t->ping_ack_capacity * 3 / 2, 3); - t->ping_acks = gpr_realloc( - t->ping_acks, t->ping_ack_capacity * sizeof(*t->ping_acks)); + if (!g_disable_ping_ack) { + if (t->ping_ack_count == t->ping_ack_capacity) { + t->ping_ack_capacity = GPR_MAX(t->ping_ack_capacity * 3 / 2, 3); + t->ping_acks = gpr_realloc( + t->ping_acks, t->ping_ack_capacity * sizeof(*t->ping_acks)); + } + t->ping_acks[t->ping_ack_count++] = p->opaque_8bytes; + grpc_chttp2_initiate_write(exec_ctx, t, false, "ping response"); } - t->ping_acks[t->ping_ack_count++] = p->opaque_8bytes; - grpc_chttp2_initiate_write(exec_ctx, t, false, "ping response"); } } return GRPC_ERROR_NONE; } + +void grpc_set_disable_ping_ack(bool disable_ping_ack) { + g_disable_ping_ack = disable_ping_ack; +} diff --git a/src/core/ext/transport/chttp2/transport/frame_ping.h b/src/core/ext/transport/chttp2/transport/frame_ping.h index ef642465d7..01983d2b12 100644 --- a/src/core/ext/transport/chttp2/transport/frame_ping.h +++ b/src/core/ext/transport/chttp2/transport/frame_ping.h @@ -53,4 +53,7 @@ grpc_error *grpc_chttp2_ping_parser_parse(grpc_exec_ctx *exec_ctx, void *parser, grpc_chttp2_stream *s, grpc_slice slice, int is_last); +/* Test-only function for disabling ping ack */ +void grpc_set_disable_ping_ack(bool disable_ping_ack); + #endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H */ diff --git a/src/core/ext/transport/chttp2/transport/internal.h b/src/core/ext/transport/chttp2/transport/internal.h index 3c56c21599..50993e4ecd 100644 --- a/src/core/ext/transport/chttp2/transport/internal.h +++ b/src/core/ext/transport/chttp2/transport/internal.h @@ -102,6 +102,8 @@ typedef struct { typedef struct { gpr_timespec last_ping_sent_time; int pings_before_data_required; + grpc_timer delayed_ping_timer; + bool is_delayed_ping_timer_set; } grpc_chttp2_repeated_ping_state; /* deframer state for the overall http2 stream of bytes */ @@ -308,6 +310,7 @@ struct grpc_chttp2_transport { grpc_chttp2_repeated_ping_policy ping_policy; grpc_chttp2_repeated_ping_state ping_state; uint64_t ping_ctr; /* unique id for pings */ + grpc_closure retry_initiate_ping_locked; /** ping acks */ size_t ping_ack_count; @@ -449,7 +452,6 @@ struct grpc_chttp2_stream { int64_t next_message_end_offset; int64_t flow_controlled_bytes_written; bool complete_fetch_covered_by_poller; - grpc_closure complete_fetch; grpc_closure complete_fetch_locked; grpc_closure *fetching_send_message_finished; @@ -827,4 +829,8 @@ void grpc_chttp2_fail_pending_writes(grpc_exec_ctx *exec_ctx, uint32_t grpc_chttp2_target_incoming_window(grpc_chttp2_transport *t); +/** Set the default keepalive configurations, must only be called at + initialization */ +void grpc_chttp2_config_default_keepalive_args(grpc_channel_args *args); + #endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_INTERNAL_H */ diff --git a/src/core/ext/transport/chttp2/transport/writing.c b/src/core/ext/transport/chttp2/transport/writing.c index 2b9d93cae7..0869056f56 100644 --- a/src/core/ext/transport/chttp2/transport/writing.c +++ b/src/core/ext/transport/chttp2/transport/writing.c @@ -101,6 +101,14 @@ static void maybe_initiate_ping(grpc_exec_ctx *exec_ctx, "Ping delayed [%p]: not enough time elapsed since last ping", t->peer_string); } + if (!t->ping_state.is_delayed_ping_timer_set) { + t->ping_state.is_delayed_ping_timer_set = true; + grpc_timer_init(exec_ctx, &t->ping_state.delayed_ping_timer, + gpr_time_add(t->ping_state.last_ping_sent_time, + t->ping_policy.min_time_between_pings), + &t->retry_initiate_ping_locked, + gpr_now(GPR_CLOCK_MONOTONIC)); + } return; } /* coalesce equivalent pings into this one */ diff --git a/src/core/ext/transport/cronet/transport/cronet_transport.c b/src/core/ext/transport/cronet/transport/cronet_transport.c index 952690eba7..9bd8914b98 100644 --- a/src/core/ext/transport/cronet/transport/cronet_transport.c +++ b/src/core/ext/transport/cronet/transport/cronet_transport.c @@ -172,7 +172,7 @@ struct op_state { }; struct op_and_state { - grpc_transport_stream_op op; + grpc_transport_stream_op_batch op; struct op_state state; bool done; struct stream_obj *s; /* Pointer back to the stream object */ @@ -187,7 +187,7 @@ struct op_storage { struct stream_obj { gpr_arena *arena; struct op_and_state *oas; - grpc_transport_stream_op *curr_op; + grpc_transport_stream_op_batch *curr_op; grpc_cronet_transport *curr_ct; grpc_stream *curr_gs; bidirectional_stream *cbs; @@ -298,12 +298,13 @@ static grpc_error *make_error_with_desc(int error_code, const char *desc) { /* Add a new stream op to op storage. */ -static void add_to_storage(struct stream_obj *s, grpc_transport_stream_op *op) { +static void add_to_storage(struct stream_obj *s, + grpc_transport_stream_op_batch *op) { struct op_storage *storage = &s->storage; /* add new op at the beginning of the linked list. The memory is freed in remove_from_storage */ struct op_and_state *new_op = gpr_malloc(sizeof(struct op_and_state)); - memcpy(&new_op->op, op, sizeof(grpc_transport_stream_op)); + memcpy(&new_op->op, op, sizeof(grpc_transport_stream_op_batch)); memset(&new_op->state, 0, sizeof(new_op->state)); new_op->s = s; new_op->done = false; @@ -768,7 +769,7 @@ static bool header_has_authority(grpc_linked_mdelem *head) { Op Execution: Decide if one of the actions contained in the stream op can be executed. This is the heart of the state machine. */ -static bool op_can_be_run(grpc_transport_stream_op *curr_op, +static bool op_can_be_run(grpc_transport_stream_op_batch *curr_op, struct stream_obj *s, struct op_state *op_state, enum e_op_id op_id) { struct op_state *stream_state = &s->state; @@ -919,7 +920,7 @@ static bool op_can_be_run(grpc_transport_stream_op *curr_op, */ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, struct op_and_state *oas) { - grpc_transport_stream_op *stream_op = &oas->op; + grpc_transport_stream_op_batch *stream_op = &oas->op; struct stream_obj *s = oas->s; grpc_cronet_transport *t = (grpc_cronet_transport *)s->curr_ct; struct op_state *stream_state = &s->state; @@ -941,9 +942,10 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, char *url = NULL; const char *method = "POST"; s->header_array.headers = NULL; - convert_metadata_to_cronet_headers( - stream_op->send_initial_metadata->list.head, t->host, &url, - &s->header_array.headers, &s->header_array.count, &method); + convert_metadata_to_cronet_headers(stream_op->payload->send_initial_metadata + .send_initial_metadata->list.head, + t->host, &url, &s->header_array.headers, + &s->header_array.count, &method); s->header_array.capacity = s->header_array.count; CRONET_LOG(GPR_DEBUG, "bidirectional_stream_start(%p, %s)", s->cbs, url); bidirectional_stream_start(s->cbs, url, 0, method, &s->header_array, false); @@ -971,8 +973,9 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, grpc_slice_buffer write_slice_buffer; grpc_slice slice; grpc_slice_buffer_init(&write_slice_buffer); - grpc_byte_stream_next(NULL, stream_op->send_message, &slice, - stream_op->send_message->length, NULL); + grpc_byte_stream_next( + NULL, stream_op->payload->send_message.send_message, &slice, + stream_op->payload->send_message.send_message->length, NULL); grpc_slice_buffer_add(&write_slice_buffer, slice); if (write_slice_buffer.count != 1) { /* Empty request not handled yet */ @@ -982,7 +985,8 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, if (write_slice_buffer.count > 0) { size_t write_buffer_size; create_grpc_frame(&write_slice_buffer, &stream_state->ws.write_buffer, - &write_buffer_size, stream_op->send_message->flags); + &write_buffer_size, + stream_op->payload->send_message.send_message->flags); CRONET_LOG(GPR_DEBUG, "bidirectional_stream_write (%p, %p)", s->cbs, stream_state->ws.write_buffer); stream_state->state_callback_received[OP_SEND_MESSAGE] = false; @@ -1029,20 +1033,28 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, OP_RECV_INITIAL_METADATA)) { CRONET_LOG(GPR_DEBUG, "running: %p OP_RECV_INITIAL_METADATA", oas); if (stream_state->state_op_done[OP_CANCEL_ERROR]) { - grpc_closure_sched(exec_ctx, stream_op->recv_initial_metadata_ready, - GRPC_ERROR_NONE); + grpc_closure_sched( + exec_ctx, + stream_op->payload->recv_initial_metadata.recv_initial_metadata_ready, + GRPC_ERROR_NONE); } else if (stream_state->state_callback_received[OP_FAILED]) { - grpc_closure_sched(exec_ctx, stream_op->recv_initial_metadata_ready, - GRPC_ERROR_NONE); + grpc_closure_sched( + exec_ctx, + stream_op->payload->recv_initial_metadata.recv_initial_metadata_ready, + GRPC_ERROR_NONE); } else if (stream_state->state_op_done[OP_RECV_TRAILING_METADATA]) { - grpc_closure_sched(exec_ctx, stream_op->recv_initial_metadata_ready, - GRPC_ERROR_NONE); + grpc_closure_sched( + exec_ctx, + stream_op->payload->recv_initial_metadata.recv_initial_metadata_ready, + GRPC_ERROR_NONE); } else { grpc_chttp2_incoming_metadata_buffer_publish( exec_ctx, &oas->s->state.rs.initial_metadata, - stream_op->recv_initial_metadata); - grpc_closure_sched(exec_ctx, stream_op->recv_initial_metadata_ready, - GRPC_ERROR_NONE); + stream_op->payload->recv_initial_metadata.recv_initial_metadata); + grpc_closure_sched( + exec_ctx, + stream_op->payload->recv_initial_metadata.recv_initial_metadata_ready, + GRPC_ERROR_NONE); } stream_state->state_op_done[OP_RECV_INITIAL_METADATA] = true; result = ACTION_TAKEN_NO_CALLBACK; @@ -1051,27 +1063,31 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, CRONET_LOG(GPR_DEBUG, "running: %p OP_RECV_MESSAGE", oas); if (stream_state->state_op_done[OP_CANCEL_ERROR]) { CRONET_LOG(GPR_DEBUG, "Stream is cancelled."); - grpc_closure_sched(exec_ctx, stream_op->recv_message_ready, + grpc_closure_sched(exec_ctx, + stream_op->payload->recv_message.recv_message_ready, GRPC_ERROR_NONE); stream_state->state_op_done[OP_RECV_MESSAGE] = true; result = ACTION_TAKEN_NO_CALLBACK; } else if (stream_state->state_callback_received[OP_FAILED]) { CRONET_LOG(GPR_DEBUG, "Stream failed."); - grpc_closure_sched(exec_ctx, stream_op->recv_message_ready, + grpc_closure_sched(exec_ctx, + stream_op->payload->recv_message.recv_message_ready, GRPC_ERROR_NONE); stream_state->state_op_done[OP_RECV_MESSAGE] = true; result = ACTION_TAKEN_NO_CALLBACK; } else if (stream_state->rs.read_stream_closed == true) { /* No more data will be received */ CRONET_LOG(GPR_DEBUG, "read stream closed"); - grpc_closure_sched(exec_ctx, stream_op->recv_message_ready, + grpc_closure_sched(exec_ctx, + stream_op->payload->recv_message.recv_message_ready, GRPC_ERROR_NONE); stream_state->state_op_done[OP_RECV_MESSAGE] = true; oas->state.state_op_done[OP_RECV_MESSAGE] = true; result = ACTION_TAKEN_NO_CALLBACK; } else if (stream_state->flush_read) { CRONET_LOG(GPR_DEBUG, "flush read"); - grpc_closure_sched(exec_ctx, stream_op->recv_message_ready, + grpc_closure_sched(exec_ctx, + stream_op->payload->recv_message.recv_message_ready, GRPC_ERROR_NONE); stream_state->state_op_done[OP_RECV_MESSAGE] = true; oas->state.state_op_done[OP_RECV_MESSAGE] = true; @@ -1110,8 +1126,9 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, } *((grpc_byte_buffer **)stream_op->recv_message) = (grpc_byte_buffer *)&stream_state->rs.sbs; - grpc_closure_sched(exec_ctx, stream_op->recv_message_ready, - GRPC_ERROR_NONE); + grpc_closure_sched( + exec_ctx, stream_op->payload->recv_message.recv_message_ready, + GRPC_ERROR_NONE); stream_state->state_op_done[OP_RECV_MESSAGE] = true; oas->state.state_op_done[OP_RECV_MESSAGE] = true; @@ -1163,7 +1180,8 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, } *((grpc_byte_buffer **)stream_op->recv_message) = (grpc_byte_buffer *)&stream_state->rs.sbs; - grpc_closure_sched(exec_ctx, stream_op->recv_message_ready, + grpc_closure_sched(exec_ctx, + stream_op->payload->recv_message.recv_message_ready, GRPC_ERROR_NONE); stream_state->state_op_done[OP_RECV_MESSAGE] = true; oas->state.state_op_done[OP_RECV_MESSAGE] = true; @@ -1187,12 +1205,12 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, if (oas->s->state.rs.trailing_metadata_valid) { grpc_chttp2_incoming_metadata_buffer_publish( exec_ctx, &oas->s->state.rs.trailing_metadata, - stream_op->recv_trailing_metadata); + stream_op->payload->recv_trailing_metadata.recv_trailing_metadata); stream_state->rs.trailing_metadata_valid = false; } stream_state->state_op_done[OP_RECV_TRAILING_METADATA] = true; result = ACTION_TAKEN_NO_CALLBACK; - } else if (stream_op->cancel_error && + } else if (stream_op->cancel_stream && op_can_be_run(stream_op, s, &oas->state, OP_CANCEL_ERROR)) { CRONET_LOG(GPR_DEBUG, "running: %p OP_CANCEL_ERROR", oas); CRONET_LOG(GPR_DEBUG, "W: bidirectional_stream_cancel(%p)", s->cbs); @@ -1204,7 +1222,8 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, } stream_state->state_op_done[OP_CANCEL_ERROR] = true; if (!stream_state->cancel_error) { - stream_state->cancel_error = GRPC_ERROR_REF(stream_op->cancel_error); + stream_state->cancel_error = + GRPC_ERROR_REF(stream_op->payload->cancel_stream.cancel_error); } } else if (stream_op->on_complete && op_can_be_run(stream_op, s, &oas->state, OP_ON_COMPLETE)) { @@ -1283,18 +1302,22 @@ static void set_pollset_set_do_nothing(grpc_exec_ctx *exec_ctx, grpc_pollset_set *pollset_set) {} static void perform_stream_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt, - grpc_stream *gs, grpc_transport_stream_op *op) { + grpc_stream *gs, + grpc_transport_stream_op_batch *op) { CRONET_LOG(GPR_DEBUG, "perform_stream_op"); if (op->send_initial_metadata && - header_has_authority(op->send_initial_metadata->list.head)) { + header_has_authority(op->payload->send_initial_metadata + .send_initial_metadata->list.head)) { /* Cronet does not support :authority header field. We cancel the call when this field is present in metadata */ - if (op->recv_initial_metadata_ready) { - grpc_closure_sched(exec_ctx, op->recv_initial_metadata_ready, - GRPC_ERROR_CANCELLED); + if (op->recv_initial_metadata) { + grpc_closure_sched( + exec_ctx, + op->payload->recv_initial_metadata.recv_initial_metadata_ready, + GRPC_ERROR_CANCELLED); } - if (op->recv_message_ready) { - grpc_closure_sched(exec_ctx, op->recv_message_ready, + if (op->recv_message) { + grpc_closure_sched(exec_ctx, op->payload->recv_message.recv_message_ready, GRPC_ERROR_CANCELLED); } grpc_closure_sched(exec_ctx, op->on_complete, GRPC_ERROR_CANCELLED); diff --git a/src/core/lib/channel/channel_args.c b/src/core/lib/channel/channel_args.c index 1a099ac437..a6d124c719 100644 --- a/src/core/lib/channel/channel_args.c +++ b/src/core/lib/channel/channel_args.c @@ -346,3 +346,10 @@ int grpc_channel_arg_get_integer(grpc_arg *arg, grpc_integer_options options) { } return arg->value.integer; } + +bool grpc_channel_args_want_minimal_stack(const grpc_channel_args *args) { + const grpc_arg *arg = grpc_channel_args_find(args, GRPC_ARG_MINIMAL_STACK); + if (arg == NULL) return false; + if (arg->type == GRPC_ARG_INTEGER && arg->value.integer == 0) return false; + return true; +} diff --git a/src/core/lib/channel/channel_args.h b/src/core/lib/channel/channel_args.h index 5c7d31f8bb..158cda5b21 100644 --- a/src/core/lib/channel/channel_args.h +++ b/src/core/lib/channel/channel_args.h @@ -113,6 +113,8 @@ grpc_channel_args *grpc_channel_args_set_socket_mutator( const grpc_arg *grpc_channel_args_find(const grpc_channel_args *args, const char *name); +bool grpc_channel_args_want_minimal_stack(const grpc_channel_args *args); + typedef struct grpc_integer_options { int default_value; // Return this if value is outside of expected bounds. int min_value; diff --git a/src/core/lib/channel/channel_stack.c b/src/core/lib/channel/channel_stack.c index 6d53b0576e..94382980eb 100644 --- a/src/core/lib/channel/channel_stack.c +++ b/src/core/lib/channel/channel_stack.c @@ -246,9 +246,9 @@ void grpc_call_stack_destroy(grpc_exec_ctx *exec_ctx, grpc_call_stack *stack, } void grpc_call_next_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { grpc_call_element *next_elem = elem + 1; - next_elem->filter->start_transport_stream_op(exec_ctx, next_elem, op); + next_elem->filter->start_transport_stream_op_batch(exec_ctx, next_elem, op); } char *grpc_call_next_get_peer(grpc_exec_ctx *exec_ctx, @@ -284,7 +284,8 @@ grpc_call_stack *grpc_call_stack_from_top_element(grpc_call_element *elem) { void grpc_call_element_signal_error(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, grpc_error *error) { - grpc_transport_stream_op *op = grpc_make_transport_stream_op(NULL); - op->cancel_error = error; - elem->filter->start_transport_stream_op(exec_ctx, elem, op); + grpc_transport_stream_op_batch *op = grpc_make_transport_stream_op(NULL); + op->cancel_stream = true; + op->payload->cancel_stream.cancel_error = error; + elem->filter->start_transport_stream_op_batch(exec_ctx, elem, op); } diff --git a/src/core/lib/channel/channel_stack.h b/src/core/lib/channel/channel_stack.h index 80e3603e8d..fdbcbdb018 100644 --- a/src/core/lib/channel/channel_stack.h +++ b/src/core/lib/channel/channel_stack.h @@ -112,9 +112,9 @@ typedef struct { typedef struct { /* Called to eg. send/receive data on a call. See grpc_call_next_op on how to call the next element in the stack */ - void (*start_transport_stream_op)(grpc_exec_ctx *exec_ctx, - grpc_call_element *elem, - grpc_transport_stream_op *op); + void (*start_transport_stream_op_batch)(grpc_exec_ctx *exec_ctx, + grpc_call_element *elem, + grpc_transport_stream_op_batch *op); /* Called to handle channel level operations - e.g. new calls, or transport closure. See grpc_channel_next_op on how to call the next element in the stack */ @@ -281,7 +281,7 @@ void grpc_call_stack_ignore_set_pollset_or_pollset_set( grpc_polling_entity *pollent); /* Call the next operation in a call stack */ void grpc_call_next_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, - grpc_transport_stream_op *op); + grpc_transport_stream_op_batch *op); /* Call the next operation (depending on call directionality) in a channel stack */ void grpc_channel_next_op(grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, @@ -300,7 +300,8 @@ grpc_channel_stack *grpc_channel_stack_from_top_element( grpc_call_stack *grpc_call_stack_from_top_element(grpc_call_element *elem); void grpc_call_log_op(char *file, int line, gpr_log_severity severity, - grpc_call_element *elem, grpc_transport_stream_op *op); + grpc_call_element *elem, + grpc_transport_stream_op_batch *op); void grpc_call_element_signal_error(grpc_exec_ctx *exec_ctx, grpc_call_element *cur_elem, diff --git a/src/core/lib/channel/compress_filter.c b/src/core/lib/channel/compress_filter.c index 02dc479f3a..4625cba0d2 100644 --- a/src/core/lib/channel/compress_filter.c +++ b/src/core/lib/channel/compress_filter.c @@ -62,7 +62,7 @@ typedef struct call_data { /** If true, contents of \a compression_algorithm are authoritative */ int has_compression_algorithm; - grpc_transport_stream_op *send_op; + grpc_transport_stream_op_batch *send_op; uint32_t send_length; uint32_t send_flags; grpc_slice incoming_slice; @@ -210,7 +210,8 @@ static void finish_send_message(grpc_exec_ctx *exec_ctx, grpc_slice_buffer_stream_init(&calld->replacement_stream, &calld->slices, calld->send_flags); - calld->send_op->send_message = &calld->replacement_stream.base; + calld->send_op->payload->send_message.send_message = + &calld->replacement_stream.base; calld->post_send = calld->send_op->on_complete; calld->send_op->on_complete = &calld->send_done; @@ -231,9 +232,9 @@ static void got_slice(grpc_exec_ctx *exec_ctx, void *elemp, grpc_error *error) { static void continue_send_message(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) { call_data *calld = elem->call_data; - while (grpc_byte_stream_next(exec_ctx, calld->send_op->send_message, - &calld->incoming_slice, ~(size_t)0, - &calld->got_slice)) { + while (grpc_byte_stream_next( + exec_ctx, calld->send_op->payload->send_message.send_message, + &calld->incoming_slice, ~(size_t)0, &calld->got_slice)) { grpc_slice_buffer_add(&calld->slices, calld->incoming_slice); if (calld->send_length == calld->slices.length) { finish_send_message(exec_ctx, elem); @@ -242,33 +243,34 @@ static void continue_send_message(grpc_exec_ctx *exec_ctx, } } -static void compress_start_transport_stream_op(grpc_exec_ctx *exec_ctx, - grpc_call_element *elem, - grpc_transport_stream_op *op) { +static void compress_start_transport_stream_op_batch( + grpc_exec_ctx *exec_ctx, grpc_call_element *elem, + grpc_transport_stream_op_batch *op) { call_data *calld = elem->call_data; - GPR_TIMER_BEGIN("compress_start_transport_stream_op", 0); + GPR_TIMER_BEGIN("compress_start_transport_stream_op_batch", 0); if (op->send_initial_metadata) { grpc_error *error = process_send_initial_metadata( - exec_ctx, elem, op->send_initial_metadata); + exec_ctx, elem, + op->payload->send_initial_metadata.send_initial_metadata); if (error != GRPC_ERROR_NONE) { - grpc_transport_stream_op_finish_with_failure(exec_ctx, op, error); + grpc_transport_stream_op_batch_finish_with_failure(exec_ctx, op, error); return; } } - if (op->send_message != NULL && - !skip_compression(elem, op->send_message->flags)) { + if (op->send_message && + !skip_compression(elem, op->payload->send_message.send_message->flags)) { calld->send_op = op; - calld->send_length = op->send_message->length; - calld->send_flags = op->send_message->flags; + calld->send_length = op->payload->send_message.send_message->length; + calld->send_flags = op->payload->send_message.send_message->flags; continue_send_message(exec_ctx, elem); } else { /* pass control down the stack */ grpc_call_next_op(exec_ctx, elem, op); } - GPR_TIMER_END("compress_start_transport_stream_op", 0); + GPR_TIMER_END("compress_start_transport_stream_op_batch", 0); } /* Constructor for call_data */ @@ -337,7 +339,7 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, grpc_channel_element *elem) {} const grpc_channel_filter grpc_compress_filter = { - compress_start_transport_stream_op, + compress_start_transport_stream_op_batch, grpc_channel_next_op, sizeof(call_data), init_call_elem, diff --git a/src/core/lib/channel/connected_channel.c b/src/core/lib/channel/connected_channel.c index 75c68a5534..22caf24373 100644 --- a/src/core/lib/channel/connected_channel.c +++ b/src/core/lib/channel/connected_channel.c @@ -62,9 +62,9 @@ typedef struct connected_channel_call_data { void *unused; } call_data; /* Intercept a call operation and either push it directly up or translate it into transport stream operations */ -static void con_start_transport_stream_op(grpc_exec_ctx *exec_ctx, - grpc_call_element *elem, - grpc_transport_stream_op *op) { +static void con_start_transport_stream_op_batch( + grpc_exec_ctx *exec_ctx, grpc_call_element *elem, + grpc_transport_stream_op_batch *op) { call_data *calld = elem->call_data; channel_data *chand = elem->channel_data; GRPC_CALL_LOG_OP(GPR_INFO, elem, op); @@ -142,7 +142,7 @@ static void con_get_channel_info(grpc_exec_ctx *exec_ctx, const grpc_channel_info *channel_info) {} const grpc_channel_filter grpc_connected_filter = { - con_start_transport_stream_op, + con_start_transport_stream_op_batch, con_start_transport_op, sizeof(call_data), init_call_elem, diff --git a/src/core/lib/channel/deadline_filter.c b/src/core/lib/channel/deadline_filter.c index ca701ed457..fda099b021 100644 --- a/src/core/lib/channel/deadline_filter.c +++ b/src/core/lib/channel/deadline_filter.c @@ -134,7 +134,7 @@ static void on_complete(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error) { // Inject our own on_complete callback into op. static void inject_on_complete_cb(grpc_deadline_state* deadline_state, - grpc_transport_stream_op* op) { + grpc_transport_stream_op_batch* op) { deadline_state->next_on_complete = op->on_complete; grpc_closure_init(&deadline_state->on_complete, on_complete, deadline_state, grpc_schedule_on_exec_ctx); @@ -196,16 +196,16 @@ void grpc_deadline_state_reset(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, start_timer_if_needed(exec_ctx, elem, new_deadline); } -void grpc_deadline_state_client_start_transport_stream_op( +void grpc_deadline_state_client_start_transport_stream_op_batch( grpc_exec_ctx* exec_ctx, grpc_call_element* elem, - grpc_transport_stream_op* op) { + grpc_transport_stream_op_batch* op) { grpc_deadline_state* deadline_state = elem->call_data; - if (op->cancel_error != GRPC_ERROR_NONE) { + if (op->cancel_stream) { cancel_timer_if_needed(exec_ctx, deadline_state); } else { // Make sure we know when the call is complete, so that we can cancel // the timer. - if (op->recv_trailing_metadata != NULL) { + if (op->recv_trailing_metadata) { inject_on_complete_cb(deadline_state, op); } } @@ -261,10 +261,11 @@ static void destroy_call_elem(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, } // Method for starting a call op for client filter. -static void client_start_transport_stream_op(grpc_exec_ctx* exec_ctx, - grpc_call_element* elem, - grpc_transport_stream_op* op) { - grpc_deadline_state_client_start_transport_stream_op(exec_ctx, elem, op); +static void client_start_transport_stream_op_batch( + grpc_exec_ctx* exec_ctx, grpc_call_element* elem, + grpc_transport_stream_op_batch* op) { + grpc_deadline_state_client_start_transport_stream_op_batch(exec_ctx, elem, + op); // Chain to next filter. grpc_call_next_op(exec_ctx, elem, op); } @@ -282,30 +283,33 @@ static void recv_initial_metadata_ready(grpc_exec_ctx* exec_ctx, void* arg, } // Method for starting a call op for server filter. -static void server_start_transport_stream_op(grpc_exec_ctx* exec_ctx, - grpc_call_element* elem, - grpc_transport_stream_op* op) { +static void server_start_transport_stream_op_batch( + grpc_exec_ctx* exec_ctx, grpc_call_element* elem, + grpc_transport_stream_op_batch* op) { server_call_data* calld = elem->call_data; - if (op->cancel_error != GRPC_ERROR_NONE) { + if (op->cancel_stream) { cancel_timer_if_needed(exec_ctx, &calld->base.deadline_state); } else { // If we're receiving initial metadata, we need to get the deadline // from the recv_initial_metadata_ready callback. So we inject our // own callback into that hook. - if (op->recv_initial_metadata_ready != NULL) { - calld->next_recv_initial_metadata_ready = op->recv_initial_metadata_ready; - calld->recv_initial_metadata = op->recv_initial_metadata; + if (op->recv_initial_metadata) { + calld->next_recv_initial_metadata_ready = + op->payload->recv_initial_metadata.recv_initial_metadata_ready; + calld->recv_initial_metadata = + op->payload->recv_initial_metadata.recv_initial_metadata; grpc_closure_init(&calld->recv_initial_metadata_ready, recv_initial_metadata_ready, elem, grpc_schedule_on_exec_ctx); - op->recv_initial_metadata_ready = &calld->recv_initial_metadata_ready; + op->payload->recv_initial_metadata.recv_initial_metadata_ready = + &calld->recv_initial_metadata_ready; } // Make sure we know when the call is complete, so that we can cancel // the timer. // Note that we trigger this on recv_trailing_metadata, even though // the client never sends trailing metadata, because this is the // hook that tells us when the call is complete on the server side. - if (op->recv_trailing_metadata != NULL) { + if (op->recv_trailing_metadata) { inject_on_complete_cb(&calld->base.deadline_state, op); } } @@ -314,7 +318,7 @@ static void server_start_transport_stream_op(grpc_exec_ctx* exec_ctx, } const grpc_channel_filter grpc_client_deadline_filter = { - client_start_transport_stream_op, + client_start_transport_stream_op_batch, grpc_channel_next_op, sizeof(base_call_data), init_call_elem, @@ -329,7 +333,7 @@ const grpc_channel_filter grpc_client_deadline_filter = { }; const grpc_channel_filter grpc_server_deadline_filter = { - server_start_transport_stream_op, + server_start_transport_stream_op_batch, grpc_channel_next_op, sizeof(server_call_data), init_call_elem, diff --git a/src/core/lib/channel/deadline_filter.h b/src/core/lib/channel/deadline_filter.h index 72cd5cb929..d8db9a9f97 100644 --- a/src/core/lib/channel/deadline_filter.h +++ b/src/core/lib/channel/deadline_filter.h @@ -83,15 +83,15 @@ void grpc_deadline_state_start(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, void grpc_deadline_state_reset(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, gpr_timespec new_deadline); -// To be called from the client-side filter's start_transport_stream_op() +// To be called from the client-side filter's start_transport_stream_op_batch() // method. Ensures that the deadline timer is cancelled when the call // is completed. // // Note: It is the caller's responsibility to chain to the next filter if // necessary after this function returns. -void grpc_deadline_state_client_start_transport_stream_op( +void grpc_deadline_state_client_start_transport_stream_op_batch( grpc_exec_ctx* exec_ctx, grpc_call_element* elem, - grpc_transport_stream_op* op); + grpc_transport_stream_op_batch* op); // Deadline filters for direct client channels and server channels. // Note: Deadlines for non-direct client channels are handled by the diff --git a/src/core/lib/channel/http_client_filter.c b/src/core/lib/channel/http_client_filter.c index 028e9a5d04..4e47c5c658 100644 --- a/src/core/lib/channel/http_client_filter.c +++ b/src/core/lib/channel/http_client_filter.c @@ -36,6 +36,7 @@ #include <grpc/support/string_util.h> #include <string.h> #include "src/core/lib/profiling/timers.h" +#include "src/core/lib/slice/b64.h" #include "src/core/lib/slice/percent_encoding.h" #include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/slice/slice_string_helpers.h" @@ -56,14 +57,13 @@ typedef struct call_data { grpc_linked_mdelem te_trailers; grpc_linked_mdelem content_type; grpc_linked_mdelem user_agent; - grpc_linked_mdelem payload_bin; grpc_metadata_batch *recv_initial_metadata; grpc_metadata_batch *recv_trailing_metadata; uint8_t *payload_bytes; /* Vars to read data off of send_message */ - grpc_transport_stream_op send_op; + grpc_transport_stream_op_batch *send_op; uint32_t send_length; uint32_t send_flags; grpc_slice incoming_slice; @@ -219,9 +219,9 @@ static void continue_send_message(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) { call_data *calld = elem->call_data; uint8_t *wrptr = calld->payload_bytes; - while (grpc_byte_stream_next(exec_ctx, calld->send_op.send_message, - &calld->incoming_slice, ~(size_t)0, - &calld->got_slice)) { + while (grpc_byte_stream_next( + exec_ctx, calld->send_op->payload->send_message.send_message, + &calld->incoming_slice, ~(size_t)0, &calld->got_slice)) { memcpy(wrptr, GRPC_SLICE_START_PTR(calld->incoming_slice), GRPC_SLICE_LENGTH(calld->incoming_slice)); wrptr += GRPC_SLICE_LENGTH(calld->incoming_slice); @@ -242,10 +242,11 @@ static void got_slice(grpc_exec_ctx *exec_ctx, void *elemp, grpc_error *error) { /* Pass down the original send_message op that was blocked.*/ grpc_slice_buffer_stream_init(&calld->replacement_stream, &calld->slices, calld->send_flags); - calld->send_op.send_message = &calld->replacement_stream.base; - calld->post_send = calld->send_op.on_complete; - calld->send_op.on_complete = &calld->send_done; - grpc_call_next_op(exec_ctx, elem, &calld->send_op); + calld->send_op->payload->send_message.send_message = + &calld->replacement_stream.base; + calld->post_send = calld->send_op->on_complete; + calld->send_op->on_complete = &calld->send_done; + grpc_call_next_op(exec_ctx, elem, calld->send_op); } else { continue_send_message(exec_ctx, elem); } @@ -253,29 +254,30 @@ static void got_slice(grpc_exec_ctx *exec_ctx, void *elemp, grpc_error *error) { static grpc_error *hc_mutate_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { /* grab pointers to our data from the call element */ call_data *calld = elem->call_data; channel_data *channeld = elem->channel_data; grpc_error *error; - if (op->send_initial_metadata != NULL) { + if (op->send_initial_metadata) { /* Decide which HTTP VERB to use. We use GET if the request is marked cacheable, and the operation contains both initial metadata and send message, and the payload is below the size threshold, and all the data for this request is immediately available. */ grpc_mdelem method = GRPC_MDELEM_METHOD_POST; - if ((op->send_initial_metadata_flags & + if (op->send_message && + (op->payload->send_initial_metadata.send_initial_metadata_flags & GRPC_INITIAL_METADATA_CACHEABLE_REQUEST) && - op->send_message != NULL && - op->send_message->length < channeld->max_payload_size_for_get) { + op->payload->send_message.send_message->length < + channeld->max_payload_size_for_get) { method = GRPC_MDELEM_METHOD_GET; /* The following write to calld->send_message_blocked isn't racy with reads in hc_start_transport_op (which deals with SEND_MESSAGE ops) because being here means ops->send_message is not NULL, which is primarily guarding the read there. */ calld->send_message_blocked = true; - } else if (op->send_initial_metadata_flags & + } else if (op->payload->send_initial_metadata.send_initial_metadata_flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) { method = GRPC_MDELEM_METHOD_PUT; } @@ -283,28 +285,71 @@ static grpc_error *hc_mutate_op(grpc_exec_ctx *exec_ctx, /* Attempt to read the data from send_message and create a header field. */ if (grpc_mdelem_eq(method, GRPC_MDELEM_METHOD_GET)) { /* allocate memory to hold the entire payload */ - calld->payload_bytes = gpr_malloc(op->send_message->length); + calld->payload_bytes = + gpr_malloc(op->payload->send_message.send_message->length); /* read slices of send_message and copy into payload_bytes */ - calld->send_op = *op; - calld->send_length = op->send_message->length; - calld->send_flags = op->send_message->flags; + calld->send_op = op; + calld->send_length = op->payload->send_message.send_message->length; + calld->send_flags = op->payload->send_message.send_message->flags; continue_send_message(exec_ctx, elem); if (calld->send_message_blocked == false) { - /* when all the send_message data is available, then create a MDELEM and - append to headers */ - grpc_mdelem payload_bin = grpc_mdelem_from_slices( - exec_ctx, GRPC_MDSTR_GRPC_PAYLOAD_BIN, - grpc_slice_from_copied_buffer((const char *)calld->payload_bytes, - op->send_message->length)); - error = - grpc_metadata_batch_add_tail(exec_ctx, op->send_initial_metadata, - &calld->payload_bin, payload_bin); + /* when all the send_message data is available, then modify the path + * MDELEM by appending base64 encoded query to the path */ + const int k_url_safe = 1; + const int k_multi_line = 0; + const unsigned char k_query_separator = '?'; + + grpc_slice path_slice = + GRPC_MDVALUE(op->payload->send_initial_metadata + .send_initial_metadata->idx.named.path->md); + /* sum up individual component's lengths and allocate enough memory to + * hold combined path+query */ + size_t estimated_len = GRPC_SLICE_LENGTH(path_slice); + estimated_len++; /* for the '?' */ + estimated_len += grpc_base64_estimate_encoded_size( + op->payload->send_message.send_message->length, k_url_safe, + k_multi_line); + estimated_len += 1; /* for the trailing 0 */ + grpc_slice path_with_query_slice = grpc_slice_malloc(estimated_len); + + /* memcopy individual pieces into this slice */ + uint8_t *write_ptr = + (uint8_t *)GRPC_SLICE_START_PTR(path_with_query_slice); + uint8_t *original_path = (uint8_t *)GRPC_SLICE_START_PTR(path_slice); + memcpy(write_ptr, original_path, GRPC_SLICE_LENGTH(path_slice)); + write_ptr += GRPC_SLICE_LENGTH(path_slice); + + *write_ptr = k_query_separator; + write_ptr++; /* for the '?' */ + + grpc_base64_encode_core((char *)write_ptr, calld->payload_bytes, + op->payload->send_message.send_message->length, + k_url_safe, k_multi_line); + + /* remove trailing unused memory and add trailing 0 to terminate string + */ + char *t = (char *)GRPC_SLICE_START_PTR(path_with_query_slice); + /* safe to use strlen since base64_encode will always add '\0' */ + size_t path_length = strlen(t) + 1; + *(t + path_length) = '\0'; + path_with_query_slice = + grpc_slice_sub(path_with_query_slice, 0, path_length); + + /* substitute previous path with the new path+query */ + grpc_mdelem mdelem_path_and_query = grpc_mdelem_from_slices( + exec_ctx, GRPC_MDSTR_PATH, path_with_query_slice); + grpc_metadata_batch *b = + op->payload->send_initial_metadata.send_initial_metadata; + error = grpc_metadata_batch_substitute(exec_ctx, b, b->idx.named.path, + mdelem_path_and_query); if (error != GRPC_ERROR_NONE) return error; + calld->on_complete = op->on_complete; op->on_complete = &calld->hc_on_complete; - op->send_message = NULL; + op->send_message = false; + grpc_slice_unref_internal(exec_ctx, path_with_query_slice); } else { /* Not all data is available. Fall back to POST. */ gpr_log(GPR_DEBUG, @@ -314,47 +359,60 @@ static grpc_error *hc_mutate_op(grpc_exec_ctx *exec_ctx, } } - remove_if_present(exec_ctx, op->send_initial_metadata, GRPC_BATCH_METHOD); - remove_if_present(exec_ctx, op->send_initial_metadata, GRPC_BATCH_SCHEME); - remove_if_present(exec_ctx, op->send_initial_metadata, GRPC_BATCH_TE); - remove_if_present(exec_ctx, op->send_initial_metadata, + remove_if_present(exec_ctx, + op->payload->send_initial_metadata.send_initial_metadata, + GRPC_BATCH_METHOD); + remove_if_present(exec_ctx, + op->payload->send_initial_metadata.send_initial_metadata, + GRPC_BATCH_SCHEME); + remove_if_present(exec_ctx, + op->payload->send_initial_metadata.send_initial_metadata, + GRPC_BATCH_TE); + remove_if_present(exec_ctx, + op->payload->send_initial_metadata.send_initial_metadata, GRPC_BATCH_CONTENT_TYPE); - remove_if_present(exec_ctx, op->send_initial_metadata, + remove_if_present(exec_ctx, + op->payload->send_initial_metadata.send_initial_metadata, GRPC_BATCH_USER_AGENT); /* Send : prefixed headers, which have to be before any application layer headers. */ - error = grpc_metadata_batch_add_head(exec_ctx, op->send_initial_metadata, - &calld->method, method); + error = grpc_metadata_batch_add_head( + exec_ctx, op->payload->send_initial_metadata.send_initial_metadata, + &calld->method, method); if (error != GRPC_ERROR_NONE) return error; - error = - grpc_metadata_batch_add_head(exec_ctx, op->send_initial_metadata, - &calld->scheme, channeld->static_scheme); + error = grpc_metadata_batch_add_head( + exec_ctx, op->payload->send_initial_metadata.send_initial_metadata, + &calld->scheme, channeld->static_scheme); if (error != GRPC_ERROR_NONE) return error; - error = grpc_metadata_batch_add_tail(exec_ctx, op->send_initial_metadata, - &calld->te_trailers, - GRPC_MDELEM_TE_TRAILERS); + error = grpc_metadata_batch_add_tail( + exec_ctx, op->payload->send_initial_metadata.send_initial_metadata, + &calld->te_trailers, GRPC_MDELEM_TE_TRAILERS); if (error != GRPC_ERROR_NONE) return error; error = grpc_metadata_batch_add_tail( - exec_ctx, op->send_initial_metadata, &calld->content_type, - GRPC_MDELEM_CONTENT_TYPE_APPLICATION_SLASH_GRPC); + exec_ctx, op->payload->send_initial_metadata.send_initial_metadata, + &calld->content_type, GRPC_MDELEM_CONTENT_TYPE_APPLICATION_SLASH_GRPC); if (error != GRPC_ERROR_NONE) return error; - error = grpc_metadata_batch_add_tail(exec_ctx, op->send_initial_metadata, - &calld->user_agent, - GRPC_MDELEM_REF(channeld->user_agent)); + error = grpc_metadata_batch_add_tail( + exec_ctx, op->payload->send_initial_metadata.send_initial_metadata, + &calld->user_agent, GRPC_MDELEM_REF(channeld->user_agent)); if (error != GRPC_ERROR_NONE) return error; } - if (op->recv_initial_metadata != NULL) { + if (op->recv_initial_metadata) { /* substitute our callback for the higher callback */ - calld->recv_initial_metadata = op->recv_initial_metadata; - calld->on_done_recv_initial_metadata = op->recv_initial_metadata_ready; - op->recv_initial_metadata_ready = &calld->hc_on_recv_initial_metadata; + calld->recv_initial_metadata = + op->payload->recv_initial_metadata.recv_initial_metadata; + calld->on_done_recv_initial_metadata = + op->payload->recv_initial_metadata.recv_initial_metadata_ready; + op->payload->recv_initial_metadata.recv_initial_metadata_ready = + &calld->hc_on_recv_initial_metadata; } - if (op->recv_trailing_metadata != NULL) { + if (op->recv_trailing_metadata) { /* substitute our callback for the higher callback */ - calld->recv_trailing_metadata = op->recv_trailing_metadata; + calld->recv_trailing_metadata = + op->payload->recv_trailing_metadata.recv_trailing_metadata; calld->on_done_recv_trailing_metadata = op->on_complete; op->on_complete = &calld->hc_on_recv_trailing_metadata; } @@ -364,17 +422,17 @@ static grpc_error *hc_mutate_op(grpc_exec_ctx *exec_ctx, static void hc_start_transport_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { GPR_TIMER_BEGIN("hc_start_transport_op", 0); GRPC_CALL_LOG_OP(GPR_INFO, elem, op); grpc_error *error = hc_mutate_op(exec_ctx, elem, op); if (error != GRPC_ERROR_NONE) { - grpc_transport_stream_op_finish_with_failure(exec_ctx, op, error); + grpc_transport_stream_op_batch_finish_with_failure(exec_ctx, op, error); } else { call_data *calld = elem->call_data; - if (op->send_message != NULL && calld->send_message_blocked) { + if (op->send_message && calld->send_message_blocked) { /* Don't forward the op. send_message contains slices that aren't ready - yet. The call will be forwarded by the op_complete of slice read call. + yet. The call will be forwarded by the op_complete of slice read call. */ } else { grpc_call_next_op(exec_ctx, elem, op); diff --git a/src/core/lib/channel/http_server_filter.c b/src/core/lib/channel/http_server_filter.c index 41a325bc04..c1e49ffacc 100644 --- a/src/core/lib/channel/http_server_filter.c +++ b/src/core/lib/channel/http_server_filter.c @@ -37,6 +37,7 @@ #include <grpc/support/log.h> #include <string.h> #include "src/core/lib/profiling/timers.h" +#include "src/core/lib/slice/b64.h" #include "src/core/lib/slice/percent_encoding.h" #include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/slice/slice_string_helpers.h" @@ -51,17 +52,16 @@ typedef struct call_data { grpc_linked_mdelem status; grpc_linked_mdelem content_type; - /* did this request come with payload-bin */ - bool seen_payload_bin; + /* did this request come with path query containing request payload */ + bool seen_path_with_query; /* flag to ensure payload_bin is delivered only once */ bool payload_bin_delivered; grpc_metadata_batch *recv_initial_metadata; - bool *recv_idempotent_request; - bool *recv_cacheable_request; + uint32_t *recv_initial_metadata_flags; /** Closure to call when finished with the hs_on_recv hook */ grpc_closure *on_done_recv; - /** Closure to call when we retrieve read message from the payload-bin header + /** Closure to call when we retrieve read message from the path URI */ grpc_closure *recv_message_ready; grpc_closure *on_complete; @@ -115,14 +115,21 @@ static grpc_error *server_filter_incoming_metadata(grpc_exec_ctx *exec_ctx, if (b->idx.named.method != NULL) { if (grpc_mdelem_eq(b->idx.named.method->md, GRPC_MDELEM_METHOD_POST)) { - *calld->recv_idempotent_request = false; - *calld->recv_cacheable_request = false; + *calld->recv_initial_metadata_flags &= + ~(GRPC_INITIAL_METADATA_CACHEABLE_REQUEST | + GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST); } else if (grpc_mdelem_eq(b->idx.named.method->md, GRPC_MDELEM_METHOD_PUT)) { - *calld->recv_idempotent_request = true; + *calld->recv_initial_metadata_flags &= + ~GRPC_INITIAL_METADATA_CACHEABLE_REQUEST; + *calld->recv_initial_metadata_flags |= + GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST; } else if (grpc_mdelem_eq(b->idx.named.method->md, GRPC_MDELEM_METHOD_GET)) { - *calld->recv_cacheable_request = true; + *calld->recv_initial_metadata_flags |= + GRPC_INITIAL_METADATA_CACHEABLE_REQUEST; + *calld->recv_initial_metadata_flags &= + ~GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST; } else { add_error(error_name, &error, grpc_attach_md_to_error( @@ -205,6 +212,44 @@ static grpc_error *server_filter_incoming_metadata(grpc_exec_ctx *exec_ctx, grpc_error_set_str( GRPC_ERROR_CREATE_FROM_STATIC_STRING("Missing header"), GRPC_ERROR_STR_KEY, grpc_slice_from_static_string(":path"))); + } else if (*calld->recv_initial_metadata_flags & + GRPC_INITIAL_METADATA_CACHEABLE_REQUEST) { + /* We have a cacheable request made with GET verb. The path contains the + * query parameter which is base64 encoded request payload. */ + const char k_query_separator = '?'; + grpc_slice path_slice = GRPC_MDVALUE(b->idx.named.path->md); + uint8_t *path_ptr = (uint8_t *)GRPC_SLICE_START_PTR(path_slice); + size_t path_length = GRPC_SLICE_LENGTH(path_slice); + /* offset of the character '?' */ + size_t offset = 0; + for (offset = 0; offset < path_length && *path_ptr != k_query_separator; + path_ptr++, offset++) + ; + if (offset < path_length) { + grpc_slice query_slice = + grpc_slice_sub(path_slice, offset + 1, path_length); + + /* substitute path metadata with just the path (not query) */ + grpc_mdelem mdelem_path_without_query = grpc_mdelem_from_slices( + exec_ctx, GRPC_MDSTR_PATH, grpc_slice_sub(path_slice, 0, offset)); + + grpc_metadata_batch_substitute(exec_ctx, b, b->idx.named.path, + mdelem_path_without_query); + + /* decode payload from query and add to the slice buffer to be returned */ + const int k_url_safe = 1; + grpc_slice_buffer_add( + &calld->read_slice_buffer, + grpc_base64_decode(exec_ctx, + (const char *)GRPC_SLICE_START_PTR(query_slice), + k_url_safe)); + grpc_slice_buffer_stream_init(&calld->read_stream, + &calld->read_slice_buffer, 0); + calld->seen_path_with_query = true; + grpc_slice_unref_internal(exec_ctx, query_slice); + } else { + gpr_log(GPR_ERROR, "GET request without QUERY"); + } } if (b->idx.named.host != NULL && b->idx.named.authority == NULL) { @@ -228,16 +273,6 @@ static grpc_error *server_filter_incoming_metadata(grpc_exec_ctx *exec_ctx, GRPC_ERROR_STR_KEY, grpc_slice_from_static_string(":authority"))); } - if (b->idx.named.grpc_payload_bin != NULL) { - calld->seen_payload_bin = true; - grpc_slice_buffer_add(&calld->read_slice_buffer, - grpc_slice_ref_internal( - GRPC_MDVALUE(b->idx.named.grpc_payload_bin->md))); - grpc_slice_buffer_stream_init(&calld->read_stream, - &calld->read_slice_buffer, 0); - grpc_metadata_batch_remove(exec_ctx, b, b->idx.named.grpc_payload_bin); - } - return error; } @@ -258,8 +293,8 @@ static void hs_on_complete(grpc_exec_ctx *exec_ctx, void *user_data, grpc_error *err) { grpc_call_element *elem = user_data; call_data *calld = elem->call_data; - /* Call recv_message_ready if we got the payload via the header field */ - if (calld->seen_payload_bin && calld->recv_message_ready != NULL) { + /* Call recv_message_ready if we got the payload via the path field */ + if (calld->seen_path_with_query && calld->recv_message_ready != NULL) { *calld->pp_recv_message = calld->payload_bin_delivered ? NULL : (grpc_byte_stream *)&calld->read_stream; @@ -274,7 +309,7 @@ static void hs_recv_message_ready(grpc_exec_ctx *exec_ctx, void *user_data, grpc_error *err) { grpc_call_element *elem = user_data; call_data *calld = elem->call_data; - if (calld->seen_payload_bin) { + if (calld->seen_path_with_query) { /* do nothing. This is probably a GET request, and payload will be returned in hs_on_complete callback. */ } else { @@ -283,45 +318,53 @@ static void hs_recv_message_ready(grpc_exec_ctx *exec_ctx, void *user_data, } static void hs_mutate_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { /* grab pointers to our data from the call element */ call_data *calld = elem->call_data; - if (op->send_initial_metadata != NULL) { + if (op->send_initial_metadata) { grpc_error *error = GRPC_ERROR_NONE; static const char *error_name = "Failed sending initial metadata"; - add_error(error_name, &error, grpc_metadata_batch_add_head( - exec_ctx, op->send_initial_metadata, - &calld->status, GRPC_MDELEM_STATUS_200)); - add_error(error_name, &error, - grpc_metadata_batch_add_tail( - exec_ctx, op->send_initial_metadata, &calld->content_type, - GRPC_MDELEM_CONTENT_TYPE_APPLICATION_SLASH_GRPC)); + add_error( + error_name, &error, + grpc_metadata_batch_add_head( + exec_ctx, op->payload->send_initial_metadata.send_initial_metadata, + &calld->status, GRPC_MDELEM_STATUS_200)); + add_error( + error_name, &error, + grpc_metadata_batch_add_tail( + exec_ctx, op->payload->send_initial_metadata.send_initial_metadata, + &calld->content_type, + GRPC_MDELEM_CONTENT_TYPE_APPLICATION_SLASH_GRPC)); add_error(error_name, &error, - server_filter_outgoing_metadata(exec_ctx, elem, - op->send_initial_metadata)); + server_filter_outgoing_metadata( + exec_ctx, elem, + op->payload->send_initial_metadata.send_initial_metadata)); if (error != GRPC_ERROR_NONE) { - grpc_transport_stream_op_finish_with_failure(exec_ctx, op, error); + grpc_transport_stream_op_batch_finish_with_failure(exec_ctx, op, error); return; } } if (op->recv_initial_metadata) { /* substitute our callback for the higher callback */ - GPR_ASSERT(op->recv_idempotent_request != NULL); - GPR_ASSERT(op->recv_cacheable_request != NULL); - calld->recv_initial_metadata = op->recv_initial_metadata; - calld->recv_idempotent_request = op->recv_idempotent_request; - calld->recv_cacheable_request = op->recv_cacheable_request; - calld->on_done_recv = op->recv_initial_metadata_ready; - op->recv_initial_metadata_ready = &calld->hs_on_recv; + GPR_ASSERT(op->payload->recv_initial_metadata.recv_flags != NULL); + calld->recv_initial_metadata = + op->payload->recv_initial_metadata.recv_initial_metadata; + calld->recv_initial_metadata_flags = + op->payload->recv_initial_metadata.recv_flags; + calld->on_done_recv = + op->payload->recv_initial_metadata.recv_initial_metadata_ready; + op->payload->recv_initial_metadata.recv_initial_metadata_ready = + &calld->hs_on_recv; } if (op->recv_message) { - calld->recv_message_ready = op->recv_message_ready; - calld->pp_recv_message = op->recv_message; - if (op->recv_message_ready) { - op->recv_message_ready = &calld->hs_recv_message_ready; + calld->recv_message_ready = op->payload->recv_message.recv_message_ready; + calld->pp_recv_message = op->payload->recv_message.recv_message; + if (op->payload->recv_message.recv_message_ready) { + op->payload->recv_message.recv_message_ready = + &calld->hs_recv_message_ready; } if (op->on_complete) { calld->on_complete = op->on_complete; @@ -331,9 +374,10 @@ static void hs_mutate_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, if (op->send_trailing_metadata) { grpc_error *error = server_filter_outgoing_metadata( - exec_ctx, elem, op->send_trailing_metadata); + exec_ctx, elem, + op->payload->send_trailing_metadata.send_trailing_metadata); if (error != GRPC_ERROR_NONE) { - grpc_transport_stream_op_finish_with_failure(exec_ctx, op, error); + grpc_transport_stream_op_batch_finish_with_failure(exec_ctx, op, error); return; } } @@ -341,7 +385,7 @@ static void hs_mutate_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, static void hs_start_transport_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { GRPC_CALL_LOG_OP(GPR_INFO, elem, op); GPR_TIMER_BEGIN("hs_start_transport_op", 0); hs_mutate_op(exec_ctx, elem, op); diff --git a/src/core/lib/channel/message_size_filter.c b/src/core/lib/channel/message_size_filter.c index 63136650a5..57726c8476 100644 --- a/src/core/lib/channel/message_size_filter.c +++ b/src/core/lib/channel/message_size_filter.c @@ -132,21 +132,23 @@ static void recv_message_ready(grpc_exec_ctx* exec_ctx, void* user_data, gpr_free(message_string); } // Invoke the next callback. - grpc_closure_sched(exec_ctx, calld->next_recv_message_ready, error); + grpc_closure_run(exec_ctx, calld->next_recv_message_ready, error); } // Start transport stream op. -static void start_transport_stream_op(grpc_exec_ctx* exec_ctx, - grpc_call_element* elem, - grpc_transport_stream_op* op) { +static void start_transport_stream_op_batch( + grpc_exec_ctx* exec_ctx, grpc_call_element* elem, + grpc_transport_stream_op_batch* op) { call_data* calld = elem->call_data; // Check max send message size. - if (op->send_message != NULL && calld->max_send_size >= 0 && - op->send_message->length > (size_t)calld->max_send_size) { + if (op->send_message && calld->max_send_size >= 0 && + op->payload->send_message.send_message->length > + (size_t)calld->max_send_size) { char* message_string; gpr_asprintf(&message_string, "Sent message larger than max (%u vs. %d)", - op->send_message->length, calld->max_send_size); - grpc_transport_stream_op_finish_with_failure( + op->payload->send_message.send_message->length, + calld->max_send_size); + grpc_transport_stream_op_batch_finish_with_failure( exec_ctx, op, grpc_error_set_int(GRPC_ERROR_CREATE_FROM_COPIED_STRING(message_string), GRPC_ERROR_INT_GRPC_STATUS, @@ -155,10 +157,11 @@ static void start_transport_stream_op(grpc_exec_ctx* exec_ctx, return; } // Inject callback for receiving a message. - if (op->recv_message_ready != NULL) { - calld->next_recv_message_ready = op->recv_message_ready; - calld->recv_message = op->recv_message; - op->recv_message_ready = &calld->recv_message_ready; + if (op->recv_message) { + calld->next_recv_message_ready = + op->payload->recv_message.recv_message_ready; + calld->recv_message = op->payload->recv_message.recv_message; + op->payload->recv_message.recv_message_ready = &calld->recv_message_ready; } // Chain to the next filter. grpc_call_next_op(exec_ctx, elem, op); @@ -253,7 +256,7 @@ static void destroy_channel_elem(grpc_exec_ctx* exec_ctx, } const grpc_channel_filter grpc_message_size_filter = { - start_transport_stream_op, + start_transport_stream_op_batch, grpc_channel_next_op, sizeof(call_data), init_call_elem, diff --git a/src/core/lib/http/httpcli_security_connector.c b/src/core/lib/http/httpcli_security_connector.c index be6a6d618a..fc338342e4 100644 --- a/src/core/lib/http/httpcli_security_connector.c +++ b/src/core/lib/http/httpcli_security_connector.c @@ -43,7 +43,7 @@ #include "src/core/lib/security/transport/security_handshaker.h" #include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/support/string.h" -#include "src/core/lib/tsi/ssl_transport_security.h" +#include "src/core/tsi/ssl_transport_security.h" typedef struct { grpc_channel_security_connector base; diff --git a/src/core/lib/iomgr/ev_epoll_linux.c b/src/core/lib/iomgr/ev_epoll_linux.c index 1924e76f13..7014b98349 100644 --- a/src/core/lib/iomgr/ev_epoll_linux.c +++ b/src/core/lib/iomgr/ev_epoll_linux.c @@ -56,6 +56,7 @@ #include "src/core/lib/iomgr/ev_posix.h" #include "src/core/lib/iomgr/iomgr_internal.h" +#include "src/core/lib/iomgr/timer.h" #include "src/core/lib/iomgr/wakeup_fd_posix.h" #include "src/core/lib/iomgr/workqueue.h" #include "src/core/lib/profiling/timers.h" @@ -1107,19 +1108,20 @@ static void fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, static void notify_on(grpc_exec_ctx *exec_ctx, grpc_fd *fd, gpr_atm *state, grpc_closure *closure) { while (true) { - /* Fast-path: CLOSURE_NOT_READY -> <closure>. - The 'release' cas here matches the 'acquire' load in set_ready and - set_shutdown ensuring that the closure (scheduled by set_ready or - set_shutdown) happens-after the I/O event on the fd */ - if (gpr_atm_rel_cas(state, CLOSURE_NOT_READY, (gpr_atm)closure)) { - return; /* Fast-path successful. Return */ - } - - /* Slowpath. The 'acquire' load matches the 'release' cas in set_ready and - set_shutdown */ - gpr_atm curr = gpr_atm_acq_load(state); + gpr_atm curr = gpr_atm_no_barrier_load(state); switch (curr) { case CLOSURE_NOT_READY: { + /* CLOSURE_NOT_READY -> <closure>. + + We're guaranteed by API that there's an acquire barrier before here, + so there's no need to double-dip and this can be a release-only. + + The release itself pairs with the acquire half of a set_ready full + barrier. */ + if (gpr_atm_rel_cas(state, CLOSURE_NOT_READY, (gpr_atm)closure)) { + return; /* Successful. Return */ + } + break; /* retry */ } @@ -1134,7 +1136,7 @@ static void notify_on(grpc_exec_ctx *exec_ctx, grpc_fd *fd, gpr_atm *state, is no other code that needs to 'happen-after' this) */ if (gpr_atm_no_barrier_cas(state, CLOSURE_READY, CLOSURE_NOT_READY)) { grpc_closure_sched(exec_ctx, closure, GRPC_ERROR_NONE); - return; /* Slow-path successful. Return */ + return; /* Successful. Return */ } break; /* retry */ @@ -1165,30 +1167,19 @@ static void notify_on(grpc_exec_ctx *exec_ctx, grpc_fd *fd, gpr_atm *state, static void set_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd, gpr_atm *state, grpc_error *shutdown_err) { - /* Try the fast-path first (i.e expect the current value to be - CLOSURE_NOT_READY */ - gpr_atm curr = CLOSURE_NOT_READY; gpr_atm new_state = (gpr_atm)shutdown_err | FD_SHUTDOWN_BIT; while (true) { - /* The 'release' cas here matches the 'acquire' load in notify_on to ensure - that the closure it schedules 'happens-after' the set_shutdown is called - on the fd */ - if (gpr_atm_rel_cas(state, curr, new_state)) { - return; /* Fast-path successful. Return */ - } - - /* Fallback to slowpath. This 'acquire' load matches the 'release' cas in - notify_on and set_ready */ - curr = gpr_atm_acq_load(state); + gpr_atm curr = gpr_atm_no_barrier_load(state); switch (curr) { - case CLOSURE_READY: { + case CLOSURE_READY: + case CLOSURE_NOT_READY: + /* Need a full barrier here so that the initial load in notify_on + doesn't need a barrier */ + if (gpr_atm_full_cas(state, curr, new_state)) { + return; /* early out */ + } break; /* retry */ - } - - case CLOSURE_NOT_READY: { - break; /* retry */ - } default: { /* 'curr' is either a closure or the fd is already shutdown */ @@ -1199,10 +1190,11 @@ static void set_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd, gpr_atm *state, } /* Fd is not shutdown. Schedule the closure and move the state to - shutdown state. The 'release' cas here matches the 'acquire' load in - notify_on to ensure that the closure it schedules 'happens-after' - the set_shutdown is called on the fd */ - if (gpr_atm_rel_cas(state, curr, new_state)) { + shutdown state. + Needs an acquire to pair with setting the closure (and get a + happens-after on that edge), and a release to pair with anything + loading the shutdown state. */ + if (gpr_atm_full_cas(state, curr, new_state)) { grpc_closure_sched(exec_ctx, (grpc_closure *)curr, GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING( "FD Shutdown", &shutdown_err, 1)); @@ -1220,52 +1212,42 @@ static void set_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd, gpr_atm *state, } static void set_ready(grpc_exec_ctx *exec_ctx, grpc_fd *fd, gpr_atm *state) { - /* Try an optimistic case first (i.e assume current state is - CLOSURE_NOT_READY). - - This 'release' cas matches the 'acquire' load in notify_on ensuring that - any closure (scheduled by notify_on) 'happens-after' the return from - epoll_pwait */ - if (gpr_atm_rel_cas(state, CLOSURE_NOT_READY, CLOSURE_READY)) { - return; /* early out */ - } - - /* The 'acquire' load here matches the 'release' cas in notify_on and - set_shutdown */ - gpr_atm curr = gpr_atm_acq_load(state); - switch (curr) { - case CLOSURE_READY: { - /* Already ready. We are done here */ - break; - } + while (true) { + gpr_atm curr = gpr_atm_no_barrier_load(state); - case CLOSURE_NOT_READY: { - /* The state was not CLOSURE_NOT_READY when we checked initially at the - beginning of this function but now it is CLOSURE_NOT_READY again. - This is only possible if the state transitioned out of - CLOSURE_NOT_READY to either CLOSURE_READY or <some closure> and then - back to CLOSURE_NOT_READY again (i.e after we entered this function, - the fd became "ready" and the necessary actions were already done). - So there is no need to make the state CLOSURE_READY now */ - break; - } + switch (curr) { + case CLOSURE_READY: { + /* Already ready. We are done here */ + return; + } - default: { - /* 'curr' is either a closure or the fd is shutdown */ - if ((curr & FD_SHUTDOWN_BIT) > 0) { - /* The fd is shutdown. Do nothing */ - } else if (gpr_atm_no_barrier_cas(state, curr, CLOSURE_NOT_READY)) { - /* The cas above was no-barrier since the state is being transitioned to - CLOSURE_NOT_READY; notify_on and set_shutdown do not schedule any - closures when transitioning out of CLOSURE_NO_READY state (i.e there - is no other code that needs to 'happen-after' this) */ + case CLOSURE_NOT_READY: { + /* No barrier required as we're transitioning to a state that does not + involve a closure */ + if (gpr_atm_no_barrier_cas(state, CLOSURE_NOT_READY, CLOSURE_READY)) { + return; /* early out */ + } + break; /* retry */ + } - grpc_closure_sched(exec_ctx, (grpc_closure *)curr, GRPC_ERROR_NONE); + default: { + /* 'curr' is either a closure or the fd is shutdown */ + if ((curr & FD_SHUTDOWN_BIT) > 0) { + /* The fd is shutdown. Do nothing */ + return; + } + /* Full cas: acquire pairs with this cas' release in the event of a + spurious set_ready; release pairs with this or the acquire in + notify_on (or set_shutdown) */ + else if (gpr_atm_full_cas(state, curr, CLOSURE_NOT_READY)) { + grpc_closure_sched(exec_ctx, (grpc_closure *)curr, GRPC_ERROR_NONE); + return; + } + /* else the state changed again (only possible by either a racing + set_ready or set_shutdown functions. In both these cases, the closure + would have been scheduled for execution. So we are done here */ + return; } - /* else the state changed again (only possible by either a racing - set_ready or set_shutdown functions. In both these cases, the closure - would have been scheduled for execution. So we are done here */ - break; } } } @@ -1486,8 +1468,9 @@ static int poll_deadline_to_millis_timeout(gpr_timespec deadline, return 0; } timeout = gpr_time_sub(deadline, now); - return gpr_time_to_millis(gpr_time_add( + int millis = gpr_time_to_millis(gpr_time_add( timeout, gpr_time_from_nanos(GPR_NS_PER_MS - 1, GPR_TIMESPAN))); + return millis >= 1 ? millis : 1; } static void fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd, @@ -1669,6 +1652,7 @@ static void pollset_work_and_unlock(grpc_exec_ctx *exec_ctx, for (int i = 0; i < ep_rv; ++i) { void *data_ptr = ep_ev[i].data.ptr; if (data_ptr == &global_wakeup_fd) { + grpc_timer_consume_kick(); append_error(error, grpc_wakeup_fd_consume_wakeup(&global_wakeup_fd), err_desc); } else if (data_ptr == &pi->workqueue_wakeup_fd) { diff --git a/src/core/lib/iomgr/ev_poll_posix.c b/src/core/lib/iomgr/ev_poll_posix.c index ca6e855611..d90f223362 100644 --- a/src/core/lib/iomgr/ev_poll_posix.c +++ b/src/core/lib/iomgr/ev_poll_posix.c @@ -52,6 +52,7 @@ #include <grpc/support/useful.h> #include "src/core/lib/iomgr/iomgr_internal.h" +#include "src/core/lib/iomgr/timer.h" #include "src/core/lib/iomgr/wakeup_fd_cv.h" #include "src/core/lib/iomgr/wakeup_fd_posix.h" #include "src/core/lib/profiling/timers.h" @@ -1006,6 +1007,7 @@ static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, } } else { if (pfds[0].revents & POLLIN_CHECK) { + grpc_timer_consume_kick(); work_combine_error(&error, grpc_wakeup_fd_consume_wakeup(&global_wakeup_fd)); } diff --git a/src/core/lib/iomgr/resource_quota.c b/src/core/lib/iomgr/resource_quota.c index 511ffdcdf1..8dcd80d001 100644 --- a/src/core/lib/iomgr/resource_quota.c +++ b/src/core/lib/iomgr/resource_quota.c @@ -279,11 +279,17 @@ static void rq_step_sched(grpc_exec_ctx *exec_ctx, /* update the atomically available resource estimate - use no barriers since timeliness of delivery really doesn't matter much */ static void rq_update_estimate(grpc_resource_quota *resource_quota) { + gpr_atm memory_usage_estimation = MEMORY_USAGE_ESTIMATION_MAX; + if (resource_quota->size != 0) { + memory_usage_estimation = + GPR_CLAMP((gpr_atm)((1.0 - + ((double)resource_quota->free_pool) / + ((double)resource_quota->size)) * + MEMORY_USAGE_ESTIMATION_MAX), + 0, MEMORY_USAGE_ESTIMATION_MAX); + } gpr_atm_no_barrier_store(&resource_quota->memory_usage_estimation, - (gpr_atm)((1.0 - - ((double)resource_quota->free_pool) / - ((double)resource_quota->size)) * - MEMORY_USAGE_ESTIMATION_MAX)); + memory_usage_estimation); } /* returns true if all allocations are completed */ diff --git a/src/core/lib/iomgr/timer.h b/src/core/lib/iomgr/timer.h index d84a278b18..e0338f93c7 100644 --- a/src/core/lib/iomgr/timer.h +++ b/src/core/lib/iomgr/timer.h @@ -101,6 +101,9 @@ bool grpc_timer_check(grpc_exec_ctx *exec_ctx, gpr_timespec now, void grpc_timer_list_init(gpr_timespec now); void grpc_timer_list_shutdown(grpc_exec_ctx *exec_ctx); +/* Consume a kick issued by grpc_kick_poller */ +void grpc_timer_consume_kick(void); + /* the following must be implemented by each iomgr implementation */ void grpc_kick_poller(void); diff --git a/src/core/lib/iomgr/timer_generic.c b/src/core/lib/iomgr/timer_generic.c index e53c801929..d8e6068431 100644 --- a/src/core/lib/iomgr/timer_generic.c +++ b/src/core/lib/iomgr/timer_generic.c @@ -37,9 +37,13 @@ #include "src/core/lib/iomgr/timer.h" +#include <grpc/support/alloc.h> #include <grpc/support/log.h> +#include <grpc/support/string_util.h> #include <grpc/support/sync.h> +#include <grpc/support/tls.h> #include <grpc/support/useful.h> +#include "src/core/lib/debug/trace.h" #include "src/core/lib/iomgr/time_averaged_stats.h" #include "src/core/lib/iomgr/timer_heap.h" #include "src/core/lib/support/spinlock.h" @@ -52,12 +56,15 @@ #define MIN_QUEUE_WINDOW_DURATION 0.01 #define MAX_QUEUE_WINDOW_DURATION 1 +int grpc_timer_trace = 0; +int grpc_timer_check_trace = 0; + typedef struct { gpr_mu mu; grpc_time_averaged_stats stats; /* All and only timers with deadlines <= this will be in the heap. */ - gpr_timespec queue_deadline_cap; - gpr_timespec min_deadline; + gpr_atm queue_deadline_cap; + gpr_atm min_deadline; /* Index in the g_shard_queue */ uint32_t shard_queue_index; /* This holds all timers with deadlines < queue_deadline_cap. Timers in this @@ -67,38 +74,92 @@ typedef struct { grpc_timer list; } shard_type; -/* Protects g_shard_queue */ -static gpr_mu g_mu; -/* Allow only one run_some_expired_timers at once */ -static gpr_spinlock g_checker_mu = GPR_SPINLOCK_STATIC_INITIALIZER; +struct shared_mutables { + gpr_atm min_timer; + /* Allow only one run_some_expired_timers at once */ + gpr_spinlock checker_mu; + bool initialized; + /* Protects g_shard_queue */ + gpr_mu mu; +} GPR_ALIGN_STRUCT(GPR_CACHELINE_SIZE); + +static struct shared_mutables g_shared_mutables = { + .checker_mu = GPR_SPINLOCK_STATIC_INITIALIZER, .initialized = false, +}; static gpr_clock_type g_clock_type; static shard_type g_shards[NUM_SHARDS]; -/* Protected by g_mu */ +/* Protected by g_shared_mutables.mu */ static shard_type *g_shard_queue[NUM_SHARDS]; -static bool g_initialized = false; +static gpr_timespec g_start_time; + +GPR_TLS_DECL(g_last_seen_min_timer); + +static gpr_atm saturating_add(gpr_atm a, gpr_atm b) { + if (a > GPR_ATM_MAX - b) { + return GPR_ATM_MAX; + } + return a + b; +} + +static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_atm now, + gpr_atm *next, grpc_error *error); + +static gpr_timespec dbl_to_ts(double d) { + gpr_timespec ts; + ts.tv_sec = (int64_t)d; + ts.tv_nsec = (int32_t)(1e9 * (d - (double)ts.tv_sec)); + ts.clock_type = GPR_TIMESPAN; + return ts; +} + +static gpr_atm timespec_to_atm_round_up(gpr_timespec ts) { + ts = gpr_time_sub(ts, g_start_time); + double x = GPR_MS_PER_SEC * (double)ts.tv_sec + + (double)ts.tv_nsec / GPR_NS_PER_MS + + (double)(GPR_NS_PER_SEC - 1) / (double)GPR_NS_PER_SEC; + if (x < 0) return 0; + if (x > GPR_ATM_MAX) return GPR_ATM_MAX; + return (gpr_atm)x; +} + +static gpr_atm timespec_to_atm_round_down(gpr_timespec ts) { + ts = gpr_time_sub(ts, g_start_time); + double x = + GPR_MS_PER_SEC * (double)ts.tv_sec + (double)ts.tv_nsec / GPR_NS_PER_MS; + if (x < 0) return 0; + if (x > GPR_ATM_MAX) return GPR_ATM_MAX; + return (gpr_atm)x; +} -static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_timespec now, - gpr_timespec *next, grpc_error *error); +static gpr_timespec atm_to_timespec(gpr_atm x) { + return gpr_time_add(g_start_time, dbl_to_ts((double)x / 1000.0)); +} -static gpr_timespec compute_min_deadline(shard_type *shard) { +static gpr_atm compute_min_deadline(shard_type *shard) { return grpc_timer_heap_is_empty(&shard->heap) - ? shard->queue_deadline_cap + ? saturating_add(shard->queue_deadline_cap, 1) : grpc_timer_heap_top(&shard->heap)->deadline; } void grpc_timer_list_init(gpr_timespec now) { uint32_t i; - g_initialized = true; - gpr_mu_init(&g_mu); + g_shared_mutables.initialized = true; + gpr_mu_init(&g_shared_mutables.mu); g_clock_type = now.clock_type; + g_start_time = now; + g_shared_mutables.min_timer = timespec_to_atm_round_down(now); + gpr_tls_init(&g_last_seen_min_timer); + gpr_tls_set(&g_last_seen_min_timer, 0); + grpc_register_tracer("timer", &grpc_timer_trace); + grpc_register_tracer("timer_check", &grpc_timer_check_trace); for (i = 0; i < NUM_SHARDS; i++) { shard_type *shard = &g_shards[i]; gpr_mu_init(&shard->mu); grpc_time_averaged_stats_init(&shard->stats, 1.0 / ADD_DEADLINE_SCALE, 0.1, 0.5); - shard->queue_deadline_cap = now; + shard->queue_deadline_cap = g_shared_mutables.min_timer; shard->shard_queue_index = i; grpc_timer_heap_init(&shard->heap); shard->list.next = shard->list.prev = &shard->list; @@ -110,29 +171,23 @@ void grpc_timer_list_init(gpr_timespec now) { void grpc_timer_list_shutdown(grpc_exec_ctx *exec_ctx) { int i; run_some_expired_timers( - exec_ctx, gpr_inf_future(g_clock_type), NULL, + exec_ctx, GPR_ATM_MAX, NULL, GRPC_ERROR_CREATE_FROM_STATIC_STRING("Timer list shutdown")); for (i = 0; i < NUM_SHARDS; i++) { shard_type *shard = &g_shards[i]; gpr_mu_destroy(&shard->mu); grpc_timer_heap_destroy(&shard->heap); } - gpr_mu_destroy(&g_mu); - g_initialized = false; + gpr_mu_destroy(&g_shared_mutables.mu); + gpr_tls_destroy(&g_last_seen_min_timer); + g_shared_mutables.initialized = false; } static double ts_to_dbl(gpr_timespec ts) { return (double)ts.tv_sec + 1e-9 * ts.tv_nsec; } -static gpr_timespec dbl_to_ts(double d) { - gpr_timespec ts; - ts.tv_sec = (int64_t)d; - ts.tv_nsec = (int32_t)(1e9 * (d - (double)ts.tv_sec)); - ts.clock_type = GPR_TIMESPAN; - return ts; -} - +/* returns true if the first element in the list */ static void list_join(grpc_timer *head, grpc_timer *timer) { timer->next = head; timer->prev = head->prev; @@ -158,15 +213,13 @@ static void swap_adjacent_shards_in_queue(uint32_t first_shard_queue_index) { static void note_deadline_change(shard_type *shard) { while (shard->shard_queue_index > 0 && - gpr_time_cmp( - shard->min_deadline, - g_shard_queue[shard->shard_queue_index - 1]->min_deadline) < 0) { + shard->min_deadline < + g_shard_queue[shard->shard_queue_index - 1]->min_deadline) { swap_adjacent_shards_in_queue(shard->shard_queue_index - 1); } while (shard->shard_queue_index < NUM_SHARDS - 1 && - gpr_time_cmp( - shard->min_deadline, - g_shard_queue[shard->shard_queue_index + 1]->min_deadline) > 0) { + shard->min_deadline > + g_shard_queue[shard->shard_queue_index + 1]->min_deadline) { swap_adjacent_shards_in_queue(shard->shard_queue_index); } } @@ -179,9 +232,17 @@ void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer, GPR_ASSERT(deadline.clock_type == g_clock_type); GPR_ASSERT(now.clock_type == g_clock_type); timer->closure = closure; - timer->deadline = deadline; + timer->deadline = timespec_to_atm_round_up(deadline); + + if (grpc_timer_trace) { + gpr_log(GPR_DEBUG, "TIMER %p: SET %" PRId64 ".%09d [%" PRIdPTR + "] now %" PRId64 ".%09d [%" PRIdPTR "] call %p[%p]", + timer, deadline.tv_sec, deadline.tv_nsec, timer->deadline, + now.tv_sec, now.tv_nsec, timespec_to_atm_round_down(now), closure, + closure->cb); + } - if (!g_initialized) { + if (!g_shared_mutables.initialized) { timer->pending = false; grpc_closure_sched(exec_ctx, timer->closure, GRPC_ERROR_CREATE_FROM_STATIC_STRING( @@ -201,12 +262,18 @@ void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer, grpc_time_averaged_stats_add_sample(&shard->stats, ts_to_dbl(gpr_time_sub(deadline, now))); - if (gpr_time_cmp(deadline, shard->queue_deadline_cap) < 0) { + if (timer->deadline < shard->queue_deadline_cap) { is_first_timer = grpc_timer_heap_add(&shard->heap, timer); } else { timer->heap_index = INVALID_HEAP_INDEX; list_join(&shard->list, timer); } + if (grpc_timer_trace) { + gpr_log(GPR_DEBUG, " .. add to shard %d with queue_deadline_cap=%" PRIdPTR + " => is_first_timer=%s", + (int)(shard - g_shards), shard->queue_deadline_cap, + is_first_timer ? "true" : "false"); + } gpr_mu_unlock(&shard->mu); /* Deadline may have decreased, we need to adjust the master queue. Note @@ -221,28 +288,41 @@ void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer, In that case, the timer will simply have to wait for the next grpc_timer_check. */ if (is_first_timer) { - gpr_mu_lock(&g_mu); - if (gpr_time_cmp(deadline, shard->min_deadline) < 0) { - gpr_timespec old_min_deadline = g_shard_queue[0]->min_deadline; - shard->min_deadline = deadline; + gpr_mu_lock(&g_shared_mutables.mu); + if (grpc_timer_trace) { + gpr_log(GPR_DEBUG, " .. old shard min_deadline=%" PRIdPTR, + shard->min_deadline); + } + if (timer->deadline < shard->min_deadline) { + gpr_atm old_min_deadline = g_shard_queue[0]->min_deadline; + shard->min_deadline = timer->deadline; note_deadline_change(shard); - if (shard->shard_queue_index == 0 && - gpr_time_cmp(deadline, old_min_deadline) < 0) { + if (shard->shard_queue_index == 0 && timer->deadline < old_min_deadline) { + gpr_atm_no_barrier_store(&g_shared_mutables.min_timer, timer->deadline); grpc_kick_poller(); } } - gpr_mu_unlock(&g_mu); + gpr_mu_unlock(&g_shared_mutables.mu); } } +void grpc_timer_consume_kick(void) { + /* force re-evaluation of last seeen min */ + gpr_tls_set(&g_last_seen_min_timer, 0); +} + void grpc_timer_cancel(grpc_exec_ctx *exec_ctx, grpc_timer *timer) { - if (!g_initialized) { + if (!g_shared_mutables.initialized) { /* must have already been cancelled, also the shard mutex is invalid */ return; } shard_type *shard = &g_shards[GPR_HASH_POINTER(timer, NUM_SHARDS)]; gpr_mu_lock(&shard->mu); + if (grpc_timer_trace) { + gpr_log(GPR_DEBUG, "TIMER %p: CANCEL pending=%s", timer, + timer->pending ? "true" : "false"); + } if (timer->pending) { grpc_closure_sched(exec_ctx, timer->closure, GRPC_ERROR_CANCELLED); timer->pending = false; @@ -260,7 +340,7 @@ void grpc_timer_cancel(grpc_exec_ctx *exec_ctx, grpc_timer *timer) { for timers that fall at or under it. Returns true if the queue is no longer empty. REQUIRES: shard->mu locked */ -static int refill_queue(shard_type *shard, gpr_timespec now) { +static int refill_queue(shard_type *shard, gpr_atm now) { /* Compute the new queue window width and bound by the limits: */ double computed_deadline_delta = grpc_time_averaged_stats_update_average(&shard->stats) * @@ -271,12 +351,22 @@ static int refill_queue(shard_type *shard, gpr_timespec now) { grpc_timer *timer, *next; /* Compute the new cap and put all timers under it into the queue: */ - shard->queue_deadline_cap = gpr_time_add( - gpr_time_max(now, shard->queue_deadline_cap), dbl_to_ts(deadline_delta)); + shard->queue_deadline_cap = + saturating_add(GPR_MAX(now, shard->queue_deadline_cap), + (gpr_atm)(deadline_delta * 1000.0)); + + if (grpc_timer_check_trace) { + gpr_log(GPR_DEBUG, " .. shard[%d]->queue_deadline_cap --> %" PRIdPTR, + (int)(shard - g_shards), shard->queue_deadline_cap); + } for (timer = shard->list.next; timer != &shard->list; timer = next) { next = timer->next; - if (gpr_time_cmp(timer->deadline, shard->queue_deadline_cap) < 0) { + if (timer->deadline < shard->queue_deadline_cap) { + if (grpc_timer_check_trace) { + gpr_log(GPR_DEBUG, " .. add timer with deadline %" PRIdPTR " to heap", + timer->deadline); + } list_remove(timer); grpc_timer_heap_add(&shard->heap, timer); } @@ -287,15 +377,29 @@ static int refill_queue(shard_type *shard, gpr_timespec now) { /* This pops the next non-cancelled timer with deadline <= now from the queue, or returns NULL if there isn't one. REQUIRES: shard->mu locked */ -static grpc_timer *pop_one(shard_type *shard, gpr_timespec now) { +static grpc_timer *pop_one(shard_type *shard, gpr_atm now) { grpc_timer *timer; for (;;) { + if (grpc_timer_check_trace) { + gpr_log(GPR_DEBUG, " .. shard[%d]: heap_empty=%s", + (int)(shard - g_shards), + grpc_timer_heap_is_empty(&shard->heap) ? "true" : "false"); + } if (grpc_timer_heap_is_empty(&shard->heap)) { - if (gpr_time_cmp(now, shard->queue_deadline_cap) < 0) return NULL; + if (now < shard->queue_deadline_cap) return NULL; if (!refill_queue(shard, now)) return NULL; } timer = grpc_timer_heap_top(&shard->heap); - if (gpr_time_cmp(timer->deadline, now) > 0) return NULL; + if (grpc_timer_check_trace) { + gpr_log(GPR_DEBUG, + " .. check top timer deadline=%" PRIdPTR " now=%" PRIdPTR, + timer->deadline, now); + } + if (timer->deadline > now) return NULL; + if (grpc_timer_trace) { + gpr_log(GPR_DEBUG, "TIMER %p: FIRE %" PRIdPTR "ms late", timer, + now - timer->deadline); + } timer->pending = false; grpc_timer_heap_pop(&shard->heap); return timer; @@ -304,7 +408,7 @@ static grpc_timer *pop_one(shard_type *shard, gpr_timespec now) { /* REQUIRES: shard->mu unlocked */ static size_t pop_timers(grpc_exec_ctx *exec_ctx, shard_type *shard, - gpr_timespec now, gpr_timespec *new_min_deadline, + gpr_atm now, gpr_atm *new_min_deadline, grpc_error *error) { size_t n = 0; grpc_timer *timer; @@ -318,17 +422,29 @@ static size_t pop_timers(grpc_exec_ctx *exec_ctx, shard_type *shard, return n; } -static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_timespec now, - gpr_timespec *next, grpc_error *error) { +static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_atm now, + gpr_atm *next, grpc_error *error) { size_t n = 0; - /* TODO(ctiller): verify that there are any timers (atomically) here */ + gpr_atm min_timer = gpr_atm_no_barrier_load(&g_shared_mutables.min_timer); + gpr_tls_set(&g_last_seen_min_timer, min_timer); + if (now < min_timer) { + if (next != NULL) *next = GPR_MIN(*next, min_timer); + return 0; + } - if (gpr_spinlock_trylock(&g_checker_mu)) { - gpr_mu_lock(&g_mu); + if (gpr_spinlock_trylock(&g_shared_mutables.checker_mu)) { + gpr_mu_lock(&g_shared_mutables.mu); - while (gpr_time_cmp(g_shard_queue[0]->min_deadline, now) < 0) { - gpr_timespec new_min_deadline; + if (grpc_timer_check_trace) { + gpr_log(GPR_DEBUG, " .. shard[%d]->min_deadline = %" PRIdPTR, + (int)(g_shard_queue[0] - g_shards), + g_shard_queue[0]->min_deadline); + } + + while (g_shard_queue[0]->min_deadline < now || + (now != GPR_ATM_MAX && g_shard_queue[0]->min_deadline == now)) { + gpr_atm new_min_deadline; /* For efficiency, we pop as many available timers as we can from the shard. This may violate perfect timer deadline ordering, but that @@ -336,6 +452,14 @@ static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_timespec now, n += pop_timers(exec_ctx, g_shard_queue[0], now, &new_min_deadline, error); + if (grpc_timer_check_trace) { + gpr_log(GPR_DEBUG, " .. popped --> %" PRIdPTR + ", shard[%d]->min_deadline %" PRIdPTR + " --> %" PRIdPTR ", now=%" PRIdPTR, + n, (int)(g_shard_queue[0] - g_shards), + g_shard_queue[0]->min_deadline, new_min_deadline, now); + } + /* An grpc_timer_init() on the shard could intervene here, adding a new timer that is earlier than new_min_deadline. However, grpc_timer_init() will block on the master_lock before it can call @@ -346,23 +470,24 @@ static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_timespec now, } if (next) { - *next = gpr_time_min(*next, g_shard_queue[0]->min_deadline); + *next = GPR_MIN(*next, g_shard_queue[0]->min_deadline); } - gpr_mu_unlock(&g_mu); - gpr_spinlock_unlock(&g_checker_mu); + gpr_atm_no_barrier_store(&g_shared_mutables.min_timer, + g_shard_queue[0]->min_deadline); + gpr_mu_unlock(&g_shared_mutables.mu); + gpr_spinlock_unlock(&g_shared_mutables.checker_mu); } else if (next != NULL) { /* TODO(ctiller): this forces calling code to do an short poll, and then retry the timer check (because this time through the timer list was contended). - We could reduce the cost here dramatically by keeping a count of how many - currently active pollers got through the uncontended case above + We could reduce the cost here dramatically by keeping a count of how + many currently active pollers got through the uncontended case above successfully, and waking up other pollers IFF that count drops to zero. Once that count is in place, this entire else branch could disappear. */ - *next = gpr_time_min( - *next, gpr_time_add(now, gpr_time_from_millis(1, GPR_TIMESPAN))); + *next = GPR_MIN(*next, now + 1); } GRPC_ERROR_UNREF(error); @@ -372,12 +497,71 @@ static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_timespec now, bool grpc_timer_check(grpc_exec_ctx *exec_ctx, gpr_timespec now, gpr_timespec *next) { + // prelude GPR_ASSERT(now.clock_type == g_clock_type); - return run_some_expired_timers( - exec_ctx, now, next, + gpr_atm now_atm = timespec_to_atm_round_down(now); + + /* fetch from a thread-local first: this avoids contention on a globally + mutable cacheline in the common case */ + gpr_atm min_timer = gpr_tls_get(&g_last_seen_min_timer); + if (now_atm < min_timer) { + if (next != NULL) { + *next = + atm_to_timespec(GPR_MIN(timespec_to_atm_round_up(*next), min_timer)); + } + if (grpc_timer_check_trace) { + gpr_log(GPR_DEBUG, + "TIMER CHECK SKIP: now_atm=%" PRIdPTR " min_timer=%" PRIdPTR, + now_atm, min_timer); + } + return 0; + } + + grpc_error *shutdown_error = gpr_time_cmp(now, gpr_inf_future(now.clock_type)) != 0 ? GRPC_ERROR_NONE - : GRPC_ERROR_CREATE_FROM_STATIC_STRING("Shutting down timer system")); + : GRPC_ERROR_CREATE_FROM_STATIC_STRING("Shutting down timer system"); + + // tracing + if (grpc_timer_check_trace) { + char *next_str; + if (next == NULL) { + next_str = gpr_strdup("NULL"); + } else { + gpr_asprintf(&next_str, "%" PRId64 ".%09d [%" PRIdPTR "]", next->tv_sec, + next->tv_nsec, timespec_to_atm_round_down(*next)); + } + gpr_log(GPR_DEBUG, "TIMER CHECK BEGIN: now=%" PRId64 ".%09d [%" PRIdPTR + "] next=%s tls_min=%" PRIdPTR " glob_min=%" PRIdPTR, + now.tv_sec, now.tv_nsec, now_atm, next_str, + gpr_tls_get(&g_last_seen_min_timer), + gpr_atm_no_barrier_load(&g_shared_mutables.min_timer)); + gpr_free(next_str); + } + // actual code + bool r; + gpr_atm next_atm; + if (next == NULL) { + r = run_some_expired_timers(exec_ctx, now_atm, NULL, shutdown_error); + } else { + next_atm = timespec_to_atm_round_down(*next); + r = run_some_expired_timers(exec_ctx, now_atm, &next_atm, shutdown_error); + *next = atm_to_timespec(next_atm); + } + // tracing + if (grpc_timer_check_trace) { + char *next_str; + if (next == NULL) { + next_str = gpr_strdup("NULL"); + } else { + gpr_asprintf(&next_str, "%" PRId64 ".%09d [%" PRIdPTR "]", next->tv_sec, + next->tv_nsec, next_atm); + } + gpr_log(GPR_DEBUG, "TIMER CHECK END: %d timers triggered; next=%s", r, + next_str); + gpr_free(next_str); + } + return r > 0; } #endif /* GRPC_TIMER_USE_GENERIC */ diff --git a/src/core/lib/iomgr/timer_generic.h b/src/core/lib/iomgr/timer_generic.h index 1608dce9fb..c79a431aa0 100644 --- a/src/core/lib/iomgr/timer_generic.h +++ b/src/core/lib/iomgr/timer_generic.h @@ -38,7 +38,7 @@ #include "src/core/lib/iomgr/exec_ctx.h" struct grpc_timer { - gpr_timespec deadline; + gpr_atm deadline; uint32_t heap_index; /* INVALID_HEAP_INDEX if not in heap */ bool pending; struct grpc_timer *next; diff --git a/src/core/lib/iomgr/timer_heap.c b/src/core/lib/iomgr/timer_heap.c index f736d335e6..03ccfe023a 100644 --- a/src/core/lib/iomgr/timer_heap.c +++ b/src/core/lib/iomgr/timer_heap.c @@ -50,7 +50,7 @@ static void adjust_upwards(grpc_timer **first, uint32_t i, grpc_timer *t) { while (i > 0) { uint32_t parent = (uint32_t)(((int)i - 1) / 2); - if (gpr_time_cmp(first[parent]->deadline, t->deadline) <= 0) break; + if (first[parent]->deadline <= t->deadline) break; first[i] = first[parent]; first[i]->heap_index = i; i = parent; @@ -68,12 +68,12 @@ static void adjust_downwards(grpc_timer **first, uint32_t i, uint32_t length, uint32_t left_child = 1u + 2u * i; if (left_child >= length) break; uint32_t right_child = left_child + 1; - uint32_t next_i = right_child < length && - gpr_time_cmp(first[left_child]->deadline, - first[right_child]->deadline) > 0 - ? right_child - : left_child; - if (gpr_time_cmp(t->deadline, first[next_i]->deadline) <= 0) break; + uint32_t next_i = + right_child < length && + first[left_child]->deadline > first[right_child]->deadline + ? right_child + : left_child; + if (t->deadline <= first[next_i]->deadline) break; first[i] = first[next_i]; first[i]->heap_index = i; i = next_i; @@ -97,7 +97,7 @@ static void maybe_shrink(grpc_timer_heap *heap) { static void note_changed_priority(grpc_timer_heap *heap, grpc_timer *timer) { uint32_t i = timer->heap_index; uint32_t parent = (uint32_t)(((int)i - 1) / 2); - if (gpr_time_cmp(heap->timers[parent]->deadline, timer->deadline) > 0) { + if (heap->timers[parent]->deadline > timer->deadline) { adjust_upwards(heap->timers, i, timer); } else { adjust_downwards(heap->timers, i, heap->timer_count, timer); diff --git a/src/core/lib/security/credentials/jwt/json_token.c b/src/core/lib/security/credentials/jwt/json_token.c index 192a5f47ed..aa905725fc 100644 --- a/src/core/lib/security/credentials/jwt/json_token.c +++ b/src/core/lib/security/credentials/jwt/json_token.c @@ -40,8 +40,8 @@ #include <grpc/support/string_util.h> #include <grpc/support/time.h> -#include "src/core/lib/security/util/b64.h" #include "src/core/lib/security/util/json_util.h" +#include "src/core/lib/slice/b64.h" #include "src/core/lib/support/string.h" #include <openssl/bio.h> diff --git a/src/core/lib/security/credentials/jwt/jwt_verifier.c b/src/core/lib/security/credentials/jwt/jwt_verifier.c index 5c59cf0f4a..0e2a264371 100644 --- a/src/core/lib/security/credentials/jwt/jwt_verifier.c +++ b/src/core/lib/security/credentials/jwt/jwt_verifier.c @@ -45,10 +45,10 @@ #include "src/core/lib/http/httpcli.h" #include "src/core/lib/iomgr/polling_entity.h" -#include "src/core/lib/security/util/b64.h" +#include "src/core/lib/slice/b64.h" #include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/support/string.h" -#include "src/core/lib/tsi/ssl_types.h" +#include "src/core/tsi/ssl_types.h" /* --- Utils. --- */ diff --git a/src/core/lib/security/transport/client_auth_filter.c b/src/core/lib/security/transport/client_auth_filter.c index 8f321b9911..f526653ffa 100644 --- a/src/core/lib/security/transport/client_auth_filter.c +++ b/src/core/lib/security/transport/client_auth_filter.c @@ -64,7 +64,7 @@ typedef struct { pollset_set so that work can progress when this call wants work to progress */ grpc_polling_entity *pollent; - grpc_transport_stream_op op; + grpc_transport_stream_op_batch op; uint8_t security_context_set; grpc_linked_mdelem md_links[MAX_CREDENTIALS_METADATA_COUNT]; grpc_auth_metadata_context auth_md_context; @@ -108,7 +108,7 @@ static void on_credentials_metadata(grpc_exec_ctx *exec_ctx, void *user_data, const char *error_details) { grpc_call_element *elem = (grpc_call_element *)user_data; call_data *calld = elem->call_data; - grpc_transport_stream_op *op = &calld->op; + grpc_transport_stream_op_batch *op = &calld->op; grpc_metadata_batch *mdb; size_t i; reset_auth_metadata_context(&calld->auth_md_context); @@ -122,8 +122,8 @@ static void on_credentials_metadata(grpc_exec_ctx *exec_ctx, void *user_data, GRPC_ERROR_INT_GRPC_STATUS, GRPC_STATUS_UNAUTHENTICATED); } else { GPR_ASSERT(num_md <= MAX_CREDENTIALS_METADATA_COUNT); - GPR_ASSERT(op->send_initial_metadata != NULL); - mdb = op->send_initial_metadata; + GPR_ASSERT(op->send_initial_metadata); + mdb = op->payload->send_initial_metadata.send_initial_metadata; for (i = 0; i < num_md; i++) { add_error(&error, grpc_metadata_batch_add_tail( @@ -136,7 +136,7 @@ static void on_credentials_metadata(grpc_exec_ctx *exec_ctx, void *user_data, if (error == GRPC_ERROR_NONE) { grpc_call_next_op(exec_ctx, elem, op); } else { - grpc_transport_stream_op_finish_with_failure(exec_ctx, op, error); + grpc_transport_stream_op_batch_finish_with_failure(exec_ctx, op, error); } } @@ -172,11 +172,13 @@ void build_auth_metadata_context(grpc_security_connector *sc, static void send_security_metadata(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { call_data *calld = elem->call_data; channel_data *chand = elem->channel_data; grpc_client_security_context *ctx = - (grpc_client_security_context *)op->context[GRPC_CONTEXT_SECURITY].value; + (grpc_client_security_context *)op->payload + ->context[GRPC_CONTEXT_SECURITY] + .value; grpc_call_credentials *channel_call_creds = chand->security_connector->request_metadata_creds; int call_creds_has_md = (ctx != NULL) && (ctx->creds != NULL); @@ -191,7 +193,7 @@ static void send_security_metadata(grpc_exec_ctx *exec_ctx, calld->creds = grpc_composite_call_credentials_create(channel_call_creds, ctx->creds, NULL); if (calld->creds == NULL) { - grpc_transport_stream_op_finish_with_failure( + grpc_transport_stream_op_batch_finish_with_failure( exec_ctx, op, grpc_error_set_int( GRPC_ERROR_CREATE_FROM_STATIC_STRING( @@ -242,7 +244,7 @@ static void on_host_checked(grpc_exec_ctx *exec_ctx, void *user_data, that is being sent or received. */ static void auth_start_transport_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { GPR_TIMER_BEGIN("auth_start_transport_op", 0); /* grab pointers to our data from the call element */ @@ -251,23 +253,25 @@ static void auth_start_transport_op(grpc_exec_ctx *exec_ctx, grpc_linked_mdelem *l; grpc_client_security_context *sec_ctx = NULL; - if (calld->security_context_set == 0 && op->cancel_error == GRPC_ERROR_NONE) { + if (calld->security_context_set == 0 && !op->cancel_stream) { calld->security_context_set = 1; - GPR_ASSERT(op->context); - if (op->context[GRPC_CONTEXT_SECURITY].value == NULL) { - op->context[GRPC_CONTEXT_SECURITY].value = + GPR_ASSERT(op->payload->context != NULL); + if (op->payload->context[GRPC_CONTEXT_SECURITY].value == NULL) { + op->payload->context[GRPC_CONTEXT_SECURITY].value = grpc_client_security_context_create(); - op->context[GRPC_CONTEXT_SECURITY].destroy = + op->payload->context[GRPC_CONTEXT_SECURITY].destroy = grpc_client_security_context_destroy; } - sec_ctx = op->context[GRPC_CONTEXT_SECURITY].value; + sec_ctx = op->payload->context[GRPC_CONTEXT_SECURITY].value; GRPC_AUTH_CONTEXT_UNREF(sec_ctx->auth_context, "client auth filter"); sec_ctx->auth_context = GRPC_AUTH_CONTEXT_REF(chand->auth_context, "client_auth_filter"); } - if (op->send_initial_metadata != NULL) { - for (l = op->send_initial_metadata->list.head; l != NULL; l = l->next) { + if (op->send_initial_metadata) { + for (l = op->payload->send_initial_metadata.send_initial_metadata->list + .head; + l != NULL; l = l->next) { grpc_mdelem md = l->md; /* Pointer comparison is OK for md_elems created from the same context. */ diff --git a/src/core/lib/security/transport/secure_endpoint.c b/src/core/lib/security/transport/secure_endpoint.c index 568d70fa38..24da949e48 100644 --- a/src/core/lib/security/transport/secure_endpoint.c +++ b/src/core/lib/security/transport/secure_endpoint.c @@ -49,7 +49,7 @@ #include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/slice/slice_string_helpers.h" #include "src/core/lib/support/string.h" -#include "src/core/lib/tsi/transport_security_interface.h" +#include "src/core/tsi/transport_security_interface.h" #define STAGING_BUFFER_SIZE 8192 diff --git a/src/core/lib/security/transport/security_connector.c b/src/core/lib/security/transport/security_connector.c index b0cbc83639..2b51706161 100644 --- a/src/core/lib/security/transport/security_connector.c +++ b/src/core/lib/security/transport/security_connector.c @@ -54,8 +54,8 @@ #include "src/core/lib/security/transport/security_handshaker.h" #include "src/core/lib/support/env.h" #include "src/core/lib/support/string.h" -#include "src/core/lib/tsi/fake_transport_security.h" -#include "src/core/lib/tsi/ssl_transport_security.h" +#include "src/core/tsi/fake_transport_security.h" +#include "src/core/tsi/ssl_transport_security.h" /* -- Constants. -- */ diff --git a/src/core/lib/security/transport/security_connector.h b/src/core/lib/security/transport/security_connector.h index 3df2fecd39..cf56cb3183 100644 --- a/src/core/lib/security/transport/security_connector.h +++ b/src/core/lib/security/transport/security_connector.h @@ -39,7 +39,7 @@ #include "src/core/lib/channel/handshaker.h" #include "src/core/lib/iomgr/endpoint.h" #include "src/core/lib/iomgr/tcp_server.h" -#include "src/core/lib/tsi/transport_security_interface.h" +#include "src/core/tsi/transport_security_interface.h" /* --- status enum. --- */ diff --git a/src/core/lib/security/transport/server_auth_filter.c b/src/core/lib/security/transport/server_auth_filter.c index 3cf0632220..1aca76f9e8 100644 --- a/src/core/lib/security/transport/server_auth_filter.c +++ b/src/core/lib/security/transport/server_auth_filter.c @@ -49,7 +49,7 @@ typedef struct call_data { up-call on transport_op, and remember to call our on_done_recv member after handling it. */ grpc_closure auth_on_recv; - grpc_transport_stream_op *transport_op; + grpc_transport_stream_op_batch *transport_op; grpc_metadata_array md; const grpc_metadata *consumed_md; size_t num_consumed_md; @@ -138,12 +138,11 @@ static void on_md_processing_done( error_details = error_details != NULL ? error_details : "Authentication metadata processing failed."; - calld->transport_op->send_initial_metadata = NULL; - if (calld->transport_op->send_message != NULL) { - grpc_byte_stream_destroy(&exec_ctx, calld->transport_op->send_message); - calld->transport_op->send_message = NULL; + if (calld->transport_op->send_message) { + grpc_byte_stream_destroy( + &exec_ctx, calld->transport_op->payload->send_message.send_message); + calld->transport_op->payload->send_message.send_message = NULL; } - calld->transport_op->send_trailing_metadata = NULL; grpc_closure_sched( &exec_ctx, calld->on_done_recv, grpc_error_set_int(GRPC_ERROR_CREATE_FROM_COPIED_STRING(error_details), @@ -171,14 +170,17 @@ static void auth_on_recv(grpc_exec_ctx *exec_ctx, void *user_data, } static void set_recv_ops_md_callbacks(grpc_call_element *elem, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { call_data *calld = elem->call_data; - if (op->recv_initial_metadata != NULL) { + if (op->recv_initial_metadata) { /* substitute our callback for the higher callback */ - calld->recv_initial_metadata = op->recv_initial_metadata; - calld->on_done_recv = op->recv_initial_metadata_ready; - op->recv_initial_metadata_ready = &calld->auth_on_recv; + calld->recv_initial_metadata = + op->payload->recv_initial_metadata.recv_initial_metadata; + calld->on_done_recv = + op->payload->recv_initial_metadata.recv_initial_metadata_ready; + op->payload->recv_initial_metadata.recv_initial_metadata_ready = + &calld->auth_on_recv; calld->transport_op = op; } } @@ -190,7 +192,7 @@ static void set_recv_ops_md_callbacks(grpc_call_element *elem, that is being sent or received. */ static void auth_start_transport_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { set_recv_ops_md_callbacks(elem, op); grpc_call_next_op(exec_ctx, elem, op); } diff --git a/src/core/lib/security/transport/tsi_error.h b/src/core/lib/security/transport/tsi_error.h index 636fbb89cf..b84693b5de 100644 --- a/src/core/lib/security/transport/tsi_error.h +++ b/src/core/lib/security/transport/tsi_error.h @@ -35,7 +35,7 @@ #define GRPC_CORE_LIB_SECURITY_TRANSPORT_TSI_ERROR_H #include "src/core/lib/iomgr/error.h" -#include "src/core/lib/tsi/transport_security_interface.h" +#include "src/core/tsi/transport_security_interface.h" grpc_error *grpc_set_tsi_error_result(grpc_error *error, tsi_result result); diff --git a/src/core/lib/security/util/b64.c b/src/core/lib/slice/b64.c index 09c8213131..2007cc4810 100644 --- a/src/core/lib/security/util/b64.c +++ b/src/core/lib/slice/b64.c @@ -31,7 +31,7 @@ * */ -#include "src/core/lib/security/util/b64.h" +#include "src/core/lib/slice/b64.h" #include <stdint.h> #include <string.h> @@ -71,15 +71,31 @@ static const char base64_url_safe_chars[] = char *grpc_base64_encode(const void *vdata, size_t data_size, int url_safe, int multiline) { - const unsigned char *data = vdata; - const char *base64_chars = - url_safe ? base64_url_safe_chars : base64_url_unsafe_chars; + size_t result_projected_size = + grpc_base64_estimate_encoded_size(data_size, url_safe, multiline); + char *result = gpr_malloc(result_projected_size); + grpc_base64_encode_core(result, vdata, data_size, url_safe, multiline); + return result; +} + +size_t grpc_base64_estimate_encoded_size(size_t data_size, int url_safe, + int multiline) { size_t result_projected_size = 4 * ((data_size + 3) / 3) + 2 * (multiline ? (data_size / (3 * GRPC_BASE64_MULTILINE_NUM_BLOCKS)) : 0) + 1; - char *result = gpr_malloc(result_projected_size); + return result_projected_size; +} + +void grpc_base64_encode_core(char *result, const void *vdata, size_t data_size, + int url_safe, int multiline) { + const unsigned char *data = vdata; + const char *base64_chars = + url_safe ? base64_url_safe_chars : base64_url_unsafe_chars; + const size_t result_projected_size = + grpc_base64_estimate_encoded_size(data_size, url_safe, multiline); + char *current = result; size_t num_blocks = 0; size_t i = 0; @@ -119,7 +135,6 @@ char *grpc_base64_encode(const void *vdata, size_t data_size, int url_safe, GPR_ASSERT(current >= result); GPR_ASSERT((uintptr_t)(current - result) < result_projected_size); result[current - result] = '\0'; - return result; } grpc_slice grpc_base64_decode(grpc_exec_ctx *exec_ctx, const char *b64, diff --git a/src/core/lib/security/util/b64.h b/src/core/lib/slice/b64.h index d42a136f61..5cc821f4bf 100644 --- a/src/core/lib/security/util/b64.h +++ b/src/core/lib/slice/b64.h @@ -31,16 +31,28 @@ * */ -#ifndef GRPC_CORE_LIB_SECURITY_UTIL_B64_H -#define GRPC_CORE_LIB_SECURITY_UTIL_B64_H +#ifndef GRPC_CORE_LIB_SLICE_B64_H +#define GRPC_CORE_LIB_SLICE_B64_H #include <grpc/slice.h> /* Encodes data using base64. It is the caller's responsability to free - the returned char * using gpr_free. Returns NULL on NULL input. */ + the returned char * using gpr_free. Returns NULL on NULL input. + TODO(makdharma) : change the flags to bool from int */ char *grpc_base64_encode(const void *data, size_t data_size, int url_safe, int multiline); +/* estimate the upper bound on size of base64 encoded data. The actual size + * is guaranteed to be less than or equal to the size returned here. */ +size_t grpc_base64_estimate_encoded_size(size_t data_size, int url_safe, + int multiline); + +/* Encodes data using base64 and write it to memory pointed to by result. It is + * the caller's responsiblity to allocate enough memory in |result| to fit the + * encoded data. */ +void grpc_base64_encode_core(char *result, const void *vdata, size_t data_size, + int url_safe, int multiline); + /* Decodes data according to the base64 specification. Returns an empty slice in case of failure. */ grpc_slice grpc_base64_decode(grpc_exec_ctx *exec_ctx, const char *b64, @@ -50,4 +62,4 @@ grpc_slice grpc_base64_decode(grpc_exec_ctx *exec_ctx, const char *b64, grpc_slice grpc_base64_decode_with_len(grpc_exec_ctx *exec_ctx, const char *b64, size_t b64_len, int url_safe); -#endif /* GRPC_CORE_LIB_SECURITY_UTIL_B64_H */ +#endif /* GRPC_CORE_LIB_SLICE_B64_H */ diff --git a/src/core/lib/support/time.c b/src/core/lib/support/time.c index 5a7d043aed..c5f94d46f7 100644 --- a/src/core/lib/support/time.c +++ b/src/core/lib/support/time.c @@ -42,7 +42,7 @@ int gpr_time_cmp(gpr_timespec a, gpr_timespec b) { int cmp = (a.tv_sec > b.tv_sec) - (a.tv_sec < b.tv_sec); GPR_ASSERT(a.clock_type == b.clock_type); - if (cmp == 0) { + if (cmp == 0 && a.tv_sec != INT64_MAX && a.tv_sec != INT64_MIN) { cmp = (a.tv_nsec > b.tv_nsec) - (a.tv_nsec < b.tv_nsec); } return cmp; @@ -244,15 +244,9 @@ gpr_timespec gpr_convert_clock_type(gpr_timespec t, gpr_clock_type clock_type) { return t; } - if (t.tv_nsec == 0) { - if (t.tv_sec == INT64_MAX) { - t.clock_type = clock_type; - return t; - } - if (t.tv_sec == INT64_MIN) { - t.clock_type = clock_type; - return t; - } + if (t.tv_sec == INT64_MAX || t.tv_sec == INT64_MIN) { + t.clock_type = clock_type; + return t; } if (clock_type == GPR_TIMESPAN) { diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c index 895a8a3b06..87787b3eea 100644 --- a/src/core/lib/surface/call.c +++ b/src/core/lib/surface/call.c @@ -117,25 +117,32 @@ static received_status unpack_received_status(gpr_atm atm) { typedef struct batch_control { grpc_call *call; - grpc_cq_completion cq_completion; + /* Share memory for cq_completion and notify_tag as they are never needed + simultaneously. Each byte used in this data structure count as six bytes + per call, so any savings we can make are worthwhile, + + We use notify_tag to determine whether or not to send notification to the + completion queue. Once we've made that determination, we can reuse the + memory for cq_completion. */ + union { + grpc_cq_completion cq_completion; + struct { + /* Any given op indicates completion by either (a) calling a closure or + (b) sending a notification on the call's completion queue. If + \a is_closure is true, \a tag indicates a closure to be invoked; + otherwise, \a tag indicates the tag to be used in the notification to + be sent to the completion queue. */ + void *tag; + bool is_closure; + } notify_tag; + } completion_data; grpc_closure finish_batch; - void *notify_tag; gpr_refcount steps_to_complete; grpc_error *errors[MAX_ERRORS_PER_BATCH]; gpr_atm num_errors; - uint8_t send_initial_metadata; - uint8_t send_message; - uint8_t send_final_op; - uint8_t recv_initial_metadata; - uint8_t recv_message; - uint8_t recv_final_op; - uint8_t is_notify_tag_closure; - - /* TODO(ctiller): now that this is inlined, figure out how much of the above - state can be eliminated */ - grpc_transport_stream_op op; + grpc_transport_stream_op_batch op; } batch_control; struct grpc_call { @@ -169,6 +176,7 @@ struct grpc_call { bool has_initial_md_been_received; batch_control active_batches[MAX_CONCURRENT_BATCHES]; + grpc_transport_stream_op_batch_payload stream_op_payload; /* first idx: is_receiving, second idx: is_trailing */ grpc_metadata_batch metadata_batch[2][2]; @@ -239,7 +247,7 @@ int grpc_call_error_trace = 0; CALL_FROM_CALL_STACK(grpc_call_stack_from_top_element(top_elem)) static void execute_op(grpc_exec_ctx *exec_ctx, grpc_call *call, - grpc_transport_stream_op *op); + grpc_transport_stream_op_batch *op); static void cancel_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, status_source source, grpc_status_code status, const char *description); @@ -291,6 +299,7 @@ grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx, /* Always support no compression */ GPR_BITSET(&call->encodings_accepted_by_peer, GRPC_COMPRESS_NONE); call->is_client = args->server_transport_data == NULL; + call->stream_op_payload.context = call->context; grpc_slice path = grpc_empty_slice(); if (call->is_client) { GPR_ASSERT(args->add_initial_metadata_count < @@ -504,9 +513,9 @@ void grpc_call_destroy(grpc_call *c) { if (c == parent->first_child) { parent->first_child = NULL; } - c->sibling_prev->sibling_next = c->sibling_next; - c->sibling_next->sibling_prev = c->sibling_prev; } + c->sibling_prev->sibling_next = c->sibling_next; + c->sibling_next->sibling_prev = c->sibling_prev; gpr_mu_unlock(&parent->child_list_mu); GRPC_CALL_INTERNAL_UNREF(&exec_ctx, parent, "child"); } @@ -535,13 +544,12 @@ grpc_call_error grpc_call_cancel(grpc_call *call, void *reserved) { } static void execute_op(grpc_exec_ctx *exec_ctx, grpc_call *call, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { grpc_call_element *elem; GPR_TIMER_BEGIN("execute_op", 0); elem = CALL_ELEM_FROM_CALL(call, 0); - op->context = call->context; - elem->filter->start_transport_stream_op(exec_ctx, elem, op); + elem->filter->start_transport_stream_op_batch(exec_ctx, elem, op); GPR_TIMER_END("execute_op", 0); } @@ -594,9 +602,10 @@ static void cancel_with_error(grpc_exec_ctx *exec_ctx, grpc_call *c, status_source source, grpc_error *error) { GRPC_CALL_INTERNAL_REF(c, "termination"); set_status_from_error(exec_ctx, c, source, GRPC_ERROR_REF(error)); - grpc_transport_stream_op *op = grpc_make_transport_stream_op( + grpc_transport_stream_op_batch *op = grpc_make_transport_stream_op( grpc_closure_create(done_termination, c, grpc_schedule_on_exec_ctx)); - op->cancel_error = error; + op->cancel_stream = true; + op->payload->cancel_stream.cancel_error = error; execute_op(exec_ctx, c, op); } @@ -625,7 +634,7 @@ static bool get_final_status_from( void (*set_value)(grpc_status_code code, void *user_data), void *set_value_user_data, grpc_slice *details) { grpc_status_code code; - grpc_slice slice; + grpc_slice slice = grpc_empty_slice(); grpc_error_get_status(error, call->send_deadline, &code, &slice, NULL); if (code == GRPC_STATUS_OK && !allow_ok_status) { return false; @@ -1025,16 +1034,13 @@ static batch_control *allocate_batch_control(grpc_call *call, const grpc_op *ops, size_t num_ops) { int slot = batch_slot_for_op(ops[0].op); - for (size_t i = 1; i < num_ops; i++) { - int op_slot = batch_slot_for_op(ops[i].op); - slot = GPR_MIN(slot, op_slot); - } batch_control *bctl = &call->active_batches[slot]; if (bctl->call != NULL) { return NULL; } memset(bctl, 0, sizeof(*bctl)); bctl->call = call; + bctl->op.payload = &call->stream_op_payload; return bctl; } @@ -1074,20 +1080,20 @@ static void post_batch_completion(grpc_exec_ctx *exec_ctx, grpc_call *call = bctl->call; grpc_error *error = consolidate_batch_errors(bctl); - if (bctl->send_initial_metadata) { + if (bctl->op.send_initial_metadata) { grpc_metadata_batch_destroy( exec_ctx, &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]); } - if (bctl->send_message) { + if (bctl->op.send_message) { call->sending_message = false; } - if (bctl->send_final_op) { + if (bctl->op.send_trailing_metadata) { grpc_metadata_batch_destroy( exec_ctx, &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */]); } - if (bctl->recv_final_op) { + if (bctl->op.recv_trailing_metadata) { grpc_metadata_batch *md = &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */]; recv_trailing_filter(exec_ctx, call, md); @@ -1123,15 +1129,16 @@ static void post_batch_completion(grpc_exec_ctx *exec_ctx, error = GRPC_ERROR_NONE; } - if (bctl->is_notify_tag_closure) { + if (bctl->completion_data.notify_tag.is_closure) { /* unrefs bctl->error */ bctl->call = NULL; - grpc_closure_run(exec_ctx, bctl->notify_tag, error); + grpc_closure_run(exec_ctx, bctl->completion_data.notify_tag.tag, error); GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "completion"); } else { /* unrefs bctl->error */ - grpc_cq_end_op(exec_ctx, bctl->call->cq, bctl->notify_tag, error, - finish_batch_completion, bctl, &bctl->cq_completion); + grpc_cq_end_op( + exec_ctx, bctl->call->cq, bctl->completion_data.notify_tag.tag, error, + finish_batch_completion, bctl, &bctl->completion_data.cq_completion); } } @@ -1374,11 +1381,13 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, if (bctl == NULL) { return GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; } - bctl->notify_tag = notify_tag; - bctl->is_notify_tag_closure = (uint8_t)(is_notify_tag_closure != 0); + bctl->completion_data.notify_tag.tag = notify_tag; + bctl->completion_data.notify_tag.is_closure = + (uint8_t)(is_notify_tag_closure != 0); - grpc_transport_stream_op *stream_op = &bctl->op; - memset(stream_op, 0, sizeof(*stream_op)); + grpc_transport_stream_op_batch *stream_op = &bctl->op; + grpc_transport_stream_op_batch_payload *stream_op_payload = + &call->stream_op_payload; stream_op->covered_by_poller = true; /* rewrite batch ops into a transport op */ @@ -1432,8 +1441,8 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, error = GRPC_CALL_ERROR_INVALID_METADATA; goto done_with_error; } - bctl->send_initial_metadata = 1; - call->sent_initial_metadata = 1; + stream_op->send_initial_metadata = true; + call->sent_initial_metadata = true; if (!prepare_application_metadata( exec_ctx, call, (int)op->data.send_initial_metadata.count, op->data.send_initial_metadata.metadata, 0, call->is_client, @@ -1443,9 +1452,10 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, } /* TODO(ctiller): just make these the same variable? */ call->metadata_batch[0][0].deadline = call->send_deadline; - stream_op->send_initial_metadata = + stream_op_payload->send_initial_metadata.send_initial_metadata = &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]; - stream_op->send_initial_metadata_flags = op->flags; + stream_op_payload->send_initial_metadata.send_initial_metadata_flags = + op->flags; break; case GRPC_OP_SEND_MESSAGE: if (!are_write_flags_valid(op->flags)) { @@ -1460,8 +1470,8 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; goto done_with_error; } - bctl->send_message = 1; - call->sending_message = 1; + stream_op->send_message = true; + call->sending_message = true; grpc_slice_buffer_stream_init( &call->sending_stream, &op->data.send_message.send_message->data.raw.slice_buffer, @@ -1473,7 +1483,8 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, GRPC_COMPRESS_NONE) { call->sending_stream.base.flags |= GRPC_WRITE_INTERNAL_COMPRESS; } - stream_op->send_message = &call->sending_stream.base; + stream_op_payload->send_message.send_message = + &call->sending_stream.base; break; case GRPC_OP_SEND_CLOSE_FROM_CLIENT: /* Flag validation: currently allow no flags */ @@ -1489,9 +1500,9 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; goto done_with_error; } - bctl->send_final_op = 1; - call->sent_final_op = 1; - stream_op->send_trailing_metadata = + stream_op->send_trailing_metadata = true; + call->sent_final_op = true; + stream_op_payload->send_trailing_metadata.send_trailing_metadata = &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */]; break; case GRPC_OP_SEND_STATUS_FROM_SERVER: @@ -1513,8 +1524,8 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, error = GRPC_CALL_ERROR_INVALID_METADATA; goto done_with_error; } - bctl->send_final_op = 1; - call->sent_final_op = 1; + stream_op->send_trailing_metadata = true; + call->sent_final_op = true; GPR_ASSERT(call->send_extra_metadata_count == 0); call->send_extra_metadata_count = 1; call->send_extra_metadata[0].md = grpc_channel_get_reffed_status_elem( @@ -1553,7 +1564,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, error = GRPC_CALL_ERROR_INVALID_METADATA; goto done_with_error; } - stream_op->send_trailing_metadata = + stream_op_payload->send_trailing_metadata.send_trailing_metadata = &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */]; break; case GRPC_OP_RECV_INITIAL_METADATA: @@ -1570,16 +1581,16 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, from server.c. In that case, it's coming from accept_stream, and in that case we're not necessarily covered by a poller. */ stream_op->covered_by_poller = call->is_client; - call->received_initial_metadata = 1; + call->received_initial_metadata = true; call->buffered_metadata[0] = op->data.recv_initial_metadata.recv_initial_metadata; grpc_closure_init(&call->receiving_initial_metadata_ready, receiving_initial_metadata_ready, bctl, grpc_schedule_on_exec_ctx); - bctl->recv_initial_metadata = 1; - stream_op->recv_initial_metadata = + stream_op->recv_initial_metadata = true; + stream_op_payload->recv_initial_metadata.recv_initial_metadata = &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */]; - stream_op->recv_initial_metadata_ready = + stream_op_payload->recv_initial_metadata.recv_initial_metadata_ready = &call->receiving_initial_metadata_ready; num_completion_callbacks_needed++; break; @@ -1593,13 +1604,14 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; goto done_with_error; } - call->receiving_message = 1; - bctl->recv_message = 1; + call->receiving_message = true; + stream_op->recv_message = true; call->receiving_buffer = op->data.recv_message.recv_message; - stream_op->recv_message = &call->receiving_stream; + stream_op_payload->recv_message.recv_message = &call->receiving_stream; grpc_closure_init(&call->receiving_stream_ready, receiving_stream_ready, bctl, grpc_schedule_on_exec_ctx); - stream_op->recv_message_ready = &call->receiving_stream_ready; + stream_op_payload->recv_message.recv_message_ready = + &call->receiving_stream_ready; num_completion_callbacks_needed++; break; case GRPC_OP_RECV_STATUS_ON_CLIENT: @@ -1616,16 +1628,17 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; goto done_with_error; } - call->requested_final_op = 1; + call->requested_final_op = true; call->buffered_metadata[1] = op->data.recv_status_on_client.trailing_metadata; call->final_op.client.status = op->data.recv_status_on_client.status; call->final_op.client.status_details = op->data.recv_status_on_client.status_details; - bctl->recv_final_op = 1; - stream_op->recv_trailing_metadata = + stream_op->recv_trailing_metadata = true; + stream_op->collect_stats = true; + stream_op_payload->recv_trailing_metadata.recv_trailing_metadata = &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */]; - stream_op->collect_stats = + stream_op_payload->collect_stats.collect_stats = &call->final_info.stats.transport_stream_stats; break; case GRPC_OP_RECV_CLOSE_ON_SERVER: @@ -1642,13 +1655,14 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; goto done_with_error; } - call->requested_final_op = 1; + call->requested_final_op = true; call->final_op.server.cancelled = op->data.recv_close_on_server.cancelled; - bctl->recv_final_op = 1; - stream_op->recv_trailing_metadata = + stream_op->recv_trailing_metadata = true; + stream_op->collect_stats = true; + stream_op_payload->recv_trailing_metadata.recv_trailing_metadata = &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */]; - stream_op->collect_stats = + stream_op_payload->collect_stats.collect_stats = &call->final_info.stats.transport_stream_stats; break; } @@ -1660,7 +1674,6 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, } gpr_ref_init(&bctl->steps_to_complete, num_completion_callbacks_needed); - stream_op->context = call->context; grpc_closure_init(&bctl->finish_batch, finish_batch, bctl, grpc_schedule_on_exec_ctx); stream_op->on_complete = &bctl->finish_batch; @@ -1674,26 +1687,26 @@ done: done_with_error: /* reverse any mutations that occured */ - if (bctl->send_initial_metadata) { - call->sent_initial_metadata = 0; + if (stream_op->send_initial_metadata) { + call->sent_initial_metadata = false; grpc_metadata_batch_clear(exec_ctx, &call->metadata_batch[0][0]); } - if (bctl->send_message) { - call->sending_message = 0; + if (stream_op->send_message) { + call->sending_message = false; grpc_byte_stream_destroy(exec_ctx, &call->sending_stream.base); } - if (bctl->send_final_op) { - call->sent_final_op = 0; + if (stream_op->send_trailing_metadata) { + call->sent_final_op = false; grpc_metadata_batch_clear(exec_ctx, &call->metadata_batch[0][1]); } - if (bctl->recv_initial_metadata) { - call->received_initial_metadata = 0; + if (stream_op->recv_initial_metadata) { + call->received_initial_metadata = false; } - if (bctl->recv_message) { - call->receiving_message = 0; + if (stream_op->recv_message) { + call->receiving_message = false; } - if (bctl->recv_final_op) { - call->requested_final_op = 0; + if (stream_op->recv_trailing_metadata) { + call->requested_final_op = false; } goto done; } diff --git a/src/core/lib/surface/channel.c b/src/core/lib/surface/channel.c index b4bfb92042..b3ba826bbc 100644 --- a/src/core/lib/surface/channel.c +++ b/src/core/lib/surface/channel.c @@ -150,17 +150,20 @@ grpc_channel *grpc_channel_create_with_builder( } else if (0 == strcmp(args->args[i].key, GRPC_COMPRESSION_CHANNEL_DEFAULT_LEVEL)) { channel->compression_options.default_level.is_set = true; - GPR_ASSERT(args->args[i].value.integer >= 0 && - args->args[i].value.integer < GRPC_COMPRESS_LEVEL_COUNT); channel->compression_options.default_level.level = - (grpc_compression_level)args->args[i].value.integer; + (grpc_compression_level)grpc_channel_arg_get_integer( + &args->args[i], + (grpc_integer_options){GRPC_COMPRESS_LEVEL_NONE, + GRPC_COMPRESS_LEVEL_NONE, + GRPC_COMPRESS_LEVEL_COUNT - 1}); } else if (0 == strcmp(args->args[i].key, GRPC_COMPRESSION_CHANNEL_DEFAULT_ALGORITHM)) { channel->compression_options.default_algorithm.is_set = true; - GPR_ASSERT(args->args[i].value.integer >= 0 && - args->args[i].value.integer < GRPC_COMPRESS_ALGORITHMS_COUNT); channel->compression_options.default_algorithm.algorithm = - (grpc_compression_algorithm)args->args[i].value.integer; + (grpc_compression_algorithm)grpc_channel_arg_get_integer( + &args->args[i], + (grpc_integer_options){GRPC_COMPRESS_NONE, GRPC_COMPRESS_NONE, + GRPC_COMPRESS_ALGORITHMS_COUNT - 1}); } else if (0 == strcmp(args->args[i].key, GRPC_COMPRESSION_CHANNEL_ENABLED_ALGORITHMS_BITSET)) { diff --git a/src/core/lib/surface/init_secure.c b/src/core/lib/surface/init_secure.c index 46b9a8f922..921ef87e36 100644 --- a/src/core/lib/surface/init_secure.c +++ b/src/core/lib/surface/init_secure.c @@ -43,7 +43,7 @@ #include "src/core/lib/security/transport/security_connector.h" #include "src/core/lib/security/transport/security_handshaker.h" #include "src/core/lib/surface/channel_init.h" -#include "src/core/lib/tsi/transport_security_interface.h" +#include "src/core/tsi/transport_security_interface.h" void grpc_security_pre_init(void) { grpc_register_tracer("secure_endpoint", &grpc_trace_secure_endpoint); diff --git a/src/core/lib/surface/lame_client.c b/src/core/lib/surface/lame_client.c index 0c408aa288..82428c42c0 100644 --- a/src/core/lib/surface/lame_client.c +++ b/src/core/lib/surface/lame_client.c @@ -80,16 +80,18 @@ static void fill_metadata(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, mdb->deadline = gpr_inf_future(GPR_CLOCK_REALTIME); } -static void lame_start_transport_stream_op(grpc_exec_ctx *exec_ctx, - grpc_call_element *elem, - grpc_transport_stream_op *op) { +static void lame_start_transport_stream_op_batch( + grpc_exec_ctx *exec_ctx, grpc_call_element *elem, + grpc_transport_stream_op_batch *op) { GRPC_CALL_LOG_OP(GPR_INFO, elem, op); - if (op->recv_initial_metadata != NULL) { - fill_metadata(exec_ctx, elem, op->recv_initial_metadata); - } else if (op->recv_trailing_metadata != NULL) { - fill_metadata(exec_ctx, elem, op->recv_trailing_metadata); + if (op->recv_initial_metadata) { + fill_metadata(exec_ctx, elem, + op->payload->recv_initial_metadata.recv_initial_metadata); + } else if (op->recv_trailing_metadata) { + fill_metadata(exec_ctx, elem, + op->payload->recv_trailing_metadata.recv_trailing_metadata); } - grpc_transport_stream_op_finish_with_failure( + grpc_transport_stream_op_batch_finish_with_failure( exec_ctx, op, GRPC_ERROR_CREATE_FROM_STATIC_STRING("lame client channel")); } @@ -148,7 +150,7 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, grpc_channel_element *elem) {} const grpc_channel_filter grpc_lame_filter = { - lame_start_transport_stream_op, + lame_start_transport_stream_op_batch, lame_start_transport_op, sizeof(call_data), init_call_elem, diff --git a/src/core/lib/surface/server.c b/src/core/lib/surface/server.c index a123c9ca43..191ee75252 100644 --- a/src/core/lib/surface/server.c +++ b/src/core/lib/surface/server.c @@ -154,8 +154,7 @@ struct call_data { grpc_completion_queue *cq_new; grpc_metadata_batch *recv_initial_metadata; - bool recv_idempotent_request; - bool recv_cacheable_request; + uint32_t recv_initial_metadata_flags; grpc_metadata_array initial_metadata; request_matcher *request_matcher; @@ -498,13 +497,7 @@ static void publish_call(grpc_exec_ctx *exec_ctx, grpc_server *server, rc->data.batch.details->host = grpc_slice_ref_internal(calld->host); rc->data.batch.details->method = grpc_slice_ref_internal(calld->path); rc->data.batch.details->deadline = calld->deadline; - rc->data.batch.details->flags = - (calld->recv_idempotent_request - ? GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST - : 0) | - (calld->recv_cacheable_request - ? GRPC_INITIAL_METADATA_CACHEABLE_REQUEST - : 0); + rc->data.batch.details->flags = calld->recv_initial_metadata_flags; break; case REGISTERED_CALL: *rc->data.registered.deadline = calld->deadline; @@ -632,7 +625,8 @@ static void start_new_rpc(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) { if (!grpc_slice_eq(rm->host, calld->host)) continue; if (!grpc_slice_eq(rm->method, calld->path)) continue; if ((rm->flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) && - !calld->recv_idempotent_request) { + 0 == (calld->recv_initial_metadata_flags & + GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST)) { continue; } finish_start_new_rpc(exec_ctx, server, elem, @@ -649,7 +643,8 @@ static void start_new_rpc(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) { if (rm->has_host) continue; if (!grpc_slice_eq(rm->method, calld->path)) continue; if ((rm->flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) && - !calld->recv_idempotent_request) { + 0 == (calld->recv_initial_metadata_flags & + GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST)) { continue; } finish_start_new_rpc(exec_ctx, server, elem, @@ -781,22 +776,25 @@ static void server_on_recv_initial_metadata(grpc_exec_ctx *exec_ctx, void *ptr, } static void server_mutate_op(grpc_call_element *elem, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { call_data *calld = elem->call_data; - if (op->recv_initial_metadata != NULL) { - GPR_ASSERT(op->recv_idempotent_request == NULL); - calld->recv_initial_metadata = op->recv_initial_metadata; - calld->on_done_recv_initial_metadata = op->recv_initial_metadata_ready; - op->recv_initial_metadata_ready = &calld->server_on_recv_initial_metadata; - op->recv_idempotent_request = &calld->recv_idempotent_request; - op->recv_cacheable_request = &calld->recv_cacheable_request; + if (op->recv_initial_metadata) { + GPR_ASSERT(op->payload->recv_initial_metadata.recv_flags == NULL); + calld->recv_initial_metadata = + op->payload->recv_initial_metadata.recv_initial_metadata; + calld->on_done_recv_initial_metadata = + op->payload->recv_initial_metadata.recv_initial_metadata_ready; + op->payload->recv_initial_metadata.recv_initial_metadata_ready = + &calld->server_on_recv_initial_metadata; + op->payload->recv_initial_metadata.recv_flags = + &calld->recv_initial_metadata_flags; } } -static void server_start_transport_stream_op(grpc_exec_ctx *exec_ctx, - grpc_call_element *elem, - grpc_transport_stream_op *op) { +static void server_start_transport_stream_op_batch( + grpc_exec_ctx *exec_ctx, grpc_call_element *elem, + grpc_transport_stream_op_batch *op) { GRPC_CALL_LOG_OP(GPR_INFO, elem, op); server_mutate_op(elem, op); grpc_call_next_op(exec_ctx, elem, op); @@ -960,7 +958,7 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, } const grpc_channel_filter grpc_server_top_filter = { - server_start_transport_stream_op, + server_start_transport_stream_op_batch, grpc_channel_next_op, sizeof(call_data), init_call_elem, diff --git a/src/core/lib/transport/bdp_estimator.h b/src/core/lib/transport/bdp_estimator.h index bcaf899910..df8d1f6fc0 100644 --- a/src/core/lib/transport/bdp_estimator.h +++ b/src/core/lib/transport/bdp_estimator.h @@ -73,4 +73,4 @@ void grpc_bdp_estimator_start_ping(grpc_bdp_estimator *estimator); // Completes a previously started ping void grpc_bdp_estimator_complete_ping(grpc_bdp_estimator *estimator); -#endif +#endif /* GRPC_CORE_LIB_TRANSPORT_BDP_ESTIMATOR_H */ diff --git a/src/core/lib/transport/transport.c b/src/core/lib/transport/transport.c index d56cb31ee0..82c4e004b7 100644 --- a/src/core/lib/transport/transport.c +++ b/src/core/lib/transport/transport.c @@ -170,7 +170,7 @@ int grpc_transport_init_stream(grpc_exec_ctx *exec_ctx, void grpc_transport_perform_stream_op(grpc_exec_ctx *exec_ctx, grpc_transport *transport, grpc_stream *stream, - grpc_transport_stream_op *op) { + grpc_transport_stream_op_batch *op) { transport->vtable->perform_stream_op(exec_ctx, transport, stream, op); } @@ -213,14 +213,23 @@ grpc_endpoint *grpc_transport_get_endpoint(grpc_exec_ctx *exec_ctx, return transport->vtable->get_endpoint(exec_ctx, transport); } -void grpc_transport_stream_op_finish_with_failure(grpc_exec_ctx *exec_ctx, - grpc_transport_stream_op *op, - grpc_error *error) { - grpc_closure_sched(exec_ctx, op->recv_message_ready, GRPC_ERROR_REF(error)); - grpc_closure_sched(exec_ctx, op->recv_initial_metadata_ready, - GRPC_ERROR_REF(error)); +void grpc_transport_stream_op_batch_finish_with_failure( + grpc_exec_ctx *exec_ctx, grpc_transport_stream_op_batch *op, + grpc_error *error) { + if (op->recv_message) { + grpc_closure_sched(exec_ctx, op->payload->recv_message.recv_message_ready, + GRPC_ERROR_REF(error)); + } + if (op->recv_initial_metadata) { + grpc_closure_sched( + exec_ctx, + op->payload->recv_initial_metadata.recv_initial_metadata_ready, + GRPC_ERROR_REF(error)); + } grpc_closure_sched(exec_ctx, op->on_complete, error); - GRPC_ERROR_UNREF(op->cancel_error); + if (op->cancel_stream) { + GRPC_ERROR_UNREF(op->payload->cancel_stream.cancel_error); + } } typedef struct { @@ -249,7 +258,8 @@ grpc_transport_op *grpc_make_transport_op(grpc_closure *on_complete) { typedef struct { grpc_closure outer_on_complete; grpc_closure *inner_on_complete; - grpc_transport_stream_op op; + grpc_transport_stream_op_batch op; + grpc_transport_stream_op_batch_payload payload; } made_transport_stream_op; static void destroy_made_transport_stream_op(grpc_exec_ctx *exec_ctx, void *arg, @@ -260,13 +270,13 @@ static void destroy_made_transport_stream_op(grpc_exec_ctx *exec_ctx, void *arg, grpc_closure_run(exec_ctx, c, GRPC_ERROR_REF(error)); } -grpc_transport_stream_op *grpc_make_transport_stream_op( +grpc_transport_stream_op_batch *grpc_make_transport_stream_op( grpc_closure *on_complete) { - made_transport_stream_op *op = gpr_malloc(sizeof(*op)); + made_transport_stream_op *op = gpr_zalloc(sizeof(*op)); + op->op.payload = &op->payload; grpc_closure_init(&op->outer_on_complete, destroy_made_transport_stream_op, op, grpc_schedule_on_exec_ctx); op->inner_on_complete = on_complete; - memset(&op->op, 0, sizeof(op->op)); op->op.on_complete = &op->outer_on_complete; return &op->op; } diff --git a/src/core/lib/transport/transport.h b/src/core/lib/transport/transport.h index 950b18aeda..93369cc689 100644 --- a/src/core/lib/transport/transport.h +++ b/src/core/lib/transport/transport.h @@ -109,55 +109,98 @@ void grpc_transport_move_stats(grpc_transport_stream_stats *from, grpc_transport_stream_stats *to); typedef struct { + void *extra_arg; grpc_closure closure; - void *args[2]; -} grpc_transport_private_op_data; +} grpc_handler_private_op_data; + +typedef struct grpc_transport_stream_op_batch_payload + grpc_transport_stream_op_batch_payload; /* Transport stream op: a set of operations to perform on a transport against a single stream */ -typedef struct grpc_transport_stream_op { +typedef struct grpc_transport_stream_op_batch { /** Should be enqueued when all requested operations (excluding recv_message and recv_initial_metadata which have their own closures) in a given batch have been completed. */ grpc_closure *on_complete; + /** Values for the stream op (fields set are determined by flags above) */ + grpc_transport_stream_op_batch_payload *payload; + /** Is the completion of this op covered by a poller (if false: the op should complete independently of some pollset being polled) */ - bool covered_by_poller; + bool covered_by_poller : 1; - /** Send initial metadata to the peer, from the provided metadata batch. - idempotent_request MUST be set if this is non-null */ - grpc_metadata_batch *send_initial_metadata; - /** Iff send_initial_metadata != NULL, flags associated with - send_initial_metadata: a bitfield of GRPC_INITIAL_METADATA_xxx */ - uint32_t send_initial_metadata_flags; + /** Send initial metadata to the peer, from the provided metadata batch. */ + bool send_initial_metadata : 1; /** Send trailing metadata to the peer, from the provided metadata batch. */ - grpc_metadata_batch *send_trailing_metadata; + bool send_trailing_metadata : 1; /** Send message data to the peer, from the provided byte stream. */ - grpc_byte_stream *send_message; + bool send_message : 1; /** Receive initial metadata from the stream, into provided metadata batch. */ - grpc_metadata_batch *recv_initial_metadata; - bool *recv_idempotent_request; - bool *recv_cacheable_request; - /** Should be enqueued when initial metadata is ready to be processed. */ - grpc_closure *recv_initial_metadata_ready; + bool recv_initial_metadata : 1; /** Receive message data from the stream, into provided byte stream. */ - grpc_byte_stream **recv_message; - /** Should be enqueued when one message is ready to be processed. */ - grpc_closure *recv_message_ready; + bool recv_message : 1; /** Receive trailing metadata from the stream, into provided metadata batch. */ - grpc_metadata_batch *recv_trailing_metadata; + bool recv_trailing_metadata : 1; /** Collect any stats into provided buffer, zero internal stat counters */ - grpc_transport_stream_stats *collect_stats; + bool collect_stats : 1; + + /** Cancel this stream with the provided error */ + bool cancel_stream : 1; + + /*************************************************************************** + * remaining fields are initialized and used at the discretion of the + * current handler of the op */ - /** If != GRPC_ERROR_NONE, forcefully close this stream. + grpc_handler_private_op_data handler_private; +} grpc_transport_stream_op_batch; + +struct grpc_transport_stream_op_batch_payload { + struct { + grpc_metadata_batch *send_initial_metadata; + /** Iff send_initial_metadata != NULL, flags associated with + send_initial_metadata: a bitfield of GRPC_INITIAL_METADATA_xxx */ + uint32_t send_initial_metadata_flags; + } send_initial_metadata; + + struct { + grpc_metadata_batch *send_trailing_metadata; + } send_trailing_metadata; + + struct { + grpc_byte_stream *send_message; + } send_message; + + struct { + grpc_metadata_batch *recv_initial_metadata; + uint32_t *recv_flags; + /** Should be enqueued when initial metadata is ready to be processed. */ + grpc_closure *recv_initial_metadata_ready; + } recv_initial_metadata; + + struct { + grpc_byte_stream **recv_message; + /** Should be enqueued when one message is ready to be processed. */ + grpc_closure *recv_message_ready; + } recv_message; + + struct { + grpc_metadata_batch *recv_trailing_metadata; + } recv_trailing_metadata; + + struct { + grpc_transport_stream_stats *collect_stats; + } collect_stats; + + /** Forcefully close this stream. The HTTP2 semantics should be: - server side: if cancel_error has GRPC_ERROR_INT_GRPC_STATUS, and trailing metadata has not been sent, send trailing metadata with status @@ -167,17 +210,13 @@ typedef struct grpc_transport_stream_op { convert to a HTTP2 error code using grpc_chttp2_grpc_status_to_http2_error. Send a RST_STREAM with this error. */ - grpc_error *cancel_error; + struct { + grpc_error *cancel_error; + } cancel_stream; /* Indexes correspond to grpc_context_index enum values */ grpc_call_context_element *context; - - /*************************************************************************** - * remaining fields are initialized and used at the discretion of the - * current handler of the op */ - - grpc_transport_private_op_data handler_private; -} grpc_transport_stream_op; +}; /** Transport op: a set of operations to perform on a transport as a whole */ typedef struct grpc_transport_op { @@ -210,7 +249,7 @@ typedef struct grpc_transport_op { * remaining fields are initialized and used at the discretion of the * transport implementation */ - grpc_transport_private_op_data transport_private; + grpc_handler_private_op_data handler_private; } grpc_transport_op; /* Returns the amount of memory required to store a grpc_stream for this @@ -250,11 +289,11 @@ void grpc_transport_destroy_stream(grpc_exec_ctx *exec_ctx, grpc_stream *stream, grpc_closure *then_schedule_closure); -void grpc_transport_stream_op_finish_with_failure(grpc_exec_ctx *exec_ctx, - grpc_transport_stream_op *op, - grpc_error *error); +void grpc_transport_stream_op_batch_finish_with_failure( + grpc_exec_ctx *exec_ctx, grpc_transport_stream_op_batch *op, + grpc_error *error); -char *grpc_transport_stream_op_string(grpc_transport_stream_op *op); +char *grpc_transport_stream_op_batch_string(grpc_transport_stream_op_batch *op); char *grpc_transport_op_string(grpc_transport_op *op); /* Send a batch of operations on a transport @@ -265,11 +304,12 @@ char *grpc_transport_op_string(grpc_transport_op *op); transport - the transport on which to initiate the stream stream - the stream on which to send the operations. This must be non-NULL and previously initialized by the same transport. - op - a grpc_transport_stream_op specifying the op to perform */ + op - a grpc_transport_stream_op_batch specifying the op to perform + */ void grpc_transport_perform_stream_op(grpc_exec_ctx *exec_ctx, grpc_transport *transport, grpc_stream *stream, - grpc_transport_stream_op *op); + grpc_transport_stream_op_batch *op); void grpc_transport_perform_op(grpc_exec_ctx *exec_ctx, grpc_transport *transport, @@ -301,9 +341,10 @@ grpc_endpoint *grpc_transport_get_endpoint(grpc_exec_ctx *exec_ctx, /* Allocate a grpc_transport_op, and preconfigure the on_consumed closure to \a on_consumed and then delete the returned transport op */ grpc_transport_op *grpc_make_transport_op(grpc_closure *on_consumed); -/* Allocate a grpc_transport_stream_op, and preconfigure the on_consumed closure +/* Allocate a grpc_transport_stream_op_batch, and preconfigure the on_consumed + closure to \a on_consumed and then delete the returned transport op */ -grpc_transport_stream_op *grpc_make_transport_stream_op( +grpc_transport_stream_op_batch *grpc_make_transport_stream_op( grpc_closure *on_consumed); #ifdef __cplusplus diff --git a/src/core/lib/transport/transport_impl.h b/src/core/lib/transport/transport_impl.h index 6f688bf8d2..bbb19a34bd 100644 --- a/src/core/lib/transport/transport_impl.h +++ b/src/core/lib/transport/transport_impl.h @@ -59,7 +59,8 @@ typedef struct grpc_transport_vtable { /* implementation of grpc_transport_perform_stream_op */ void (*perform_stream_op)(grpc_exec_ctx *exec_ctx, grpc_transport *self, - grpc_stream *stream, grpc_transport_stream_op *op); + grpc_stream *stream, + grpc_transport_stream_op_batch *op); /* implementation of grpc_transport_perform_op */ void (*perform_op)(grpc_exec_ctx *exec_ctx, grpc_transport *self, diff --git a/src/core/lib/transport/transport_op_string.c b/src/core/lib/transport/transport_op_string.c index 28360e3784..3a2a793e01 100644 --- a/src/core/lib/transport/transport_op_string.c +++ b/src/core/lib/transport/transport_op_string.c @@ -71,7 +71,8 @@ static void put_metadata_list(gpr_strvec *b, grpc_metadata_batch md) { } } -char *grpc_transport_stream_op_string(grpc_transport_stream_op *op) { +char *grpc_transport_stream_op_batch_string( + grpc_transport_stream_op_batch *op) { char *tmp; char *out; @@ -81,45 +82,49 @@ char *grpc_transport_stream_op_string(grpc_transport_stream_op *op) { gpr_strvec_add( &b, gpr_strdup(op->covered_by_poller ? "[COVERED]" : "[UNCOVERED]")); - if (op->send_initial_metadata != NULL) { + if (op->send_initial_metadata) { gpr_strvec_add(&b, gpr_strdup(" ")); gpr_strvec_add(&b, gpr_strdup("SEND_INITIAL_METADATA{")); - put_metadata_list(&b, *op->send_initial_metadata); + put_metadata_list( + &b, *op->payload->send_initial_metadata.send_initial_metadata); gpr_strvec_add(&b, gpr_strdup("}")); } - if (op->send_message != NULL) { + if (op->send_message) { gpr_strvec_add(&b, gpr_strdup(" ")); gpr_asprintf(&tmp, "SEND_MESSAGE:flags=0x%08x:len=%d", - op->send_message->flags, op->send_message->length); + op->payload->send_message.send_message->flags, + op->payload->send_message.send_message->length); gpr_strvec_add(&b, tmp); } - if (op->send_trailing_metadata != NULL) { + if (op->send_trailing_metadata) { gpr_strvec_add(&b, gpr_strdup(" ")); gpr_strvec_add(&b, gpr_strdup("SEND_TRAILING_METADATA{")); - put_metadata_list(&b, *op->send_trailing_metadata); + put_metadata_list( + &b, *op->payload->send_trailing_metadata.send_trailing_metadata); gpr_strvec_add(&b, gpr_strdup("}")); } - if (op->recv_initial_metadata != NULL) { + if (op->recv_initial_metadata) { gpr_strvec_add(&b, gpr_strdup(" ")); gpr_strvec_add(&b, gpr_strdup("RECV_INITIAL_METADATA")); } - if (op->recv_message != NULL) { + if (op->recv_message) { gpr_strvec_add(&b, gpr_strdup(" ")); gpr_strvec_add(&b, gpr_strdup("RECV_MESSAGE")); } - if (op->recv_trailing_metadata != NULL) { + if (op->recv_trailing_metadata) { gpr_strvec_add(&b, gpr_strdup(" ")); gpr_strvec_add(&b, gpr_strdup("RECV_TRAILING_METADATA")); } - if (op->cancel_error != GRPC_ERROR_NONE) { + if (op->cancel_stream) { gpr_strvec_add(&b, gpr_strdup(" ")); - const char *msg = grpc_error_string(op->cancel_error); + const char *msg = + grpc_error_string(op->payload->cancel_stream.cancel_error); gpr_asprintf(&tmp, "CANCEL:%s", msg); gpr_strvec_add(&b, tmp); @@ -204,8 +209,9 @@ char *grpc_transport_op_string(grpc_transport_op *op) { } void grpc_call_log_op(char *file, int line, gpr_log_severity severity, - grpc_call_element *elem, grpc_transport_stream_op *op) { - char *str = grpc_transport_stream_op_string(op); + grpc_call_element *elem, + grpc_transport_stream_op_batch *op) { + char *str = grpc_transport_stream_op_batch_string(op); gpr_log(file, line, severity, "OP[%s:%p]: %s", elem->filter->name, elem, str); gpr_free(str); } diff --git a/src/core/plugin_registry/grpc_plugin_registry.c b/src/core/plugin_registry/grpc_plugin_registry.c index 2efd9cd1ad..803a26b753 100644 --- a/src/core/plugin_registry/grpc_plugin_registry.c +++ b/src/core/plugin_registry/grpc_plugin_registry.c @@ -43,6 +43,8 @@ extern void grpc_lb_policy_pick_first_init(void); extern void grpc_lb_policy_pick_first_shutdown(void); extern void grpc_lb_policy_round_robin_init(void); extern void grpc_lb_policy_round_robin_shutdown(void); +extern void grpc_resolver_dns_ares_init(void); +extern void grpc_resolver_dns_ares_shutdown(void); extern void grpc_resolver_dns_native_init(void); extern void grpc_resolver_dns_native_shutdown(void); extern void grpc_resolver_sockaddr_init(void); @@ -51,6 +53,8 @@ extern void grpc_load_reporting_plugin_init(void); extern void grpc_load_reporting_plugin_shutdown(void); extern void census_grpc_plugin_init(void); extern void census_grpc_plugin_shutdown(void); +extern void grpc_max_age_filter_init(void); +extern void grpc_max_age_filter_shutdown(void); void grpc_register_built_in_plugins(void) { grpc_register_plugin(grpc_chttp2_plugin_init, @@ -63,6 +67,8 @@ void grpc_register_built_in_plugins(void) { grpc_lb_policy_pick_first_shutdown); grpc_register_plugin(grpc_lb_policy_round_robin_init, grpc_lb_policy_round_robin_shutdown); + grpc_register_plugin(grpc_resolver_dns_ares_init, + grpc_resolver_dns_ares_shutdown); grpc_register_plugin(grpc_resolver_dns_native_init, grpc_resolver_dns_native_shutdown); grpc_register_plugin(grpc_resolver_sockaddr_init, @@ -71,4 +77,6 @@ void grpc_register_built_in_plugins(void) { grpc_load_reporting_plugin_shutdown); grpc_register_plugin(census_grpc_plugin_init, census_grpc_plugin_shutdown); + grpc_register_plugin(grpc_max_age_filter_init, + grpc_max_age_filter_shutdown); } diff --git a/src/core/plugin_registry/grpc_unsecure_plugin_registry.c b/src/core/plugin_registry/grpc_unsecure_plugin_registry.c index 8b18af699d..e65fc2425d 100644 --- a/src/core/plugin_registry/grpc_unsecure_plugin_registry.c +++ b/src/core/plugin_registry/grpc_unsecure_plugin_registry.c @@ -37,6 +37,8 @@ extern void grpc_chttp2_plugin_init(void); extern void grpc_chttp2_plugin_shutdown(void); extern void grpc_client_channel_init(void); extern void grpc_client_channel_shutdown(void); +extern void grpc_resolver_dns_ares_init(void); +extern void grpc_resolver_dns_ares_shutdown(void); extern void grpc_resolver_dns_native_init(void); extern void grpc_resolver_dns_native_shutdown(void); extern void grpc_resolver_sockaddr_init(void); @@ -51,12 +53,16 @@ extern void grpc_lb_policy_round_robin_init(void); extern void grpc_lb_policy_round_robin_shutdown(void); extern void census_grpc_plugin_init(void); extern void census_grpc_plugin_shutdown(void); +extern void grpc_max_age_filter_init(void); +extern void grpc_max_age_filter_shutdown(void); void grpc_register_built_in_plugins(void) { grpc_register_plugin(grpc_chttp2_plugin_init, grpc_chttp2_plugin_shutdown); grpc_register_plugin(grpc_client_channel_init, grpc_client_channel_shutdown); + grpc_register_plugin(grpc_resolver_dns_ares_init, + grpc_resolver_dns_ares_shutdown); grpc_register_plugin(grpc_resolver_dns_native_init, grpc_resolver_dns_native_shutdown); grpc_register_plugin(grpc_resolver_sockaddr_init, @@ -71,4 +77,6 @@ void grpc_register_built_in_plugins(void) { grpc_lb_policy_round_robin_shutdown); grpc_register_plugin(census_grpc_plugin_init, census_grpc_plugin_shutdown); + grpc_register_plugin(grpc_max_age_filter_init, + grpc_max_age_filter_shutdown); } diff --git a/src/core/lib/tsi/README.md b/src/core/tsi/README.md index 3ca3c1ef38..3ca3c1ef38 100644 --- a/src/core/lib/tsi/README.md +++ b/src/core/tsi/README.md diff --git a/src/core/lib/tsi/fake_transport_security.c b/src/core/tsi/fake_transport_security.c index bbe323df3b..822fad51cb 100644 --- a/src/core/lib/tsi/fake_transport_security.c +++ b/src/core/tsi/fake_transport_security.c @@ -31,7 +31,7 @@ * */ -#include "src/core/lib/tsi/fake_transport_security.h" +#include "src/core/tsi/fake_transport_security.h" #include <stdlib.h> #include <string.h> @@ -40,7 +40,7 @@ #include <grpc/support/log.h> #include <grpc/support/port_platform.h> #include <grpc/support/useful.h> -#include "src/core/lib/tsi/transport_security.h" +#include "src/core/tsi/transport_security.h" /* --- Constants. ---*/ #define TSI_FAKE_FRAME_HEADER_SIZE 4 diff --git a/src/core/lib/tsi/fake_transport_security.h b/src/core/tsi/fake_transport_security.h index 54a9469b58..0697c7279f 100644 --- a/src/core/lib/tsi/fake_transport_security.h +++ b/src/core/tsi/fake_transport_security.h @@ -31,10 +31,10 @@ * */ -#ifndef GRPC_CORE_LIB_TSI_FAKE_TRANSPORT_SECURITY_H -#define GRPC_CORE_LIB_TSI_FAKE_TRANSPORT_SECURITY_H +#ifndef GRPC_CORE_TSI_FAKE_TRANSPORT_SECURITY_H +#define GRPC_CORE_TSI_FAKE_TRANSPORT_SECURITY_H -#include "src/core/lib/tsi/transport_security_interface.h" +#include "src/core/tsi/transport_security_interface.h" #ifdef __cplusplus extern "C" { @@ -58,4 +58,4 @@ tsi_frame_protector *tsi_create_fake_protector( } #endif -#endif /* GRPC_CORE_LIB_TSI_FAKE_TRANSPORT_SECURITY_H */ +#endif /* GRPC_CORE_TSI_FAKE_TRANSPORT_SECURITY_H */ diff --git a/src/core/lib/tsi/ssl_transport_security.c b/src/core/tsi/ssl_transport_security.c index 53aabdb926..a0325cc183 100644 --- a/src/core/lib/tsi/ssl_transport_security.c +++ b/src/core/tsi/ssl_transport_security.c @@ -31,7 +31,7 @@ * */ -#include "src/core/lib/tsi/ssl_transport_security.h" +#include "src/core/tsi/ssl_transport_security.h" #include <grpc/support/port_platform.h> @@ -60,8 +60,8 @@ #include <openssl/x509.h> #include <openssl/x509v3.h> -#include "src/core/lib/tsi/ssl_types.h" -#include "src/core/lib/tsi/transport_security.h" +#include "src/core/tsi/ssl_types.h" +#include "src/core/tsi/transport_security.h" /* --- Constants. ---*/ diff --git a/src/core/lib/tsi/ssl_transport_security.h b/src/core/tsi/ssl_transport_security.h index 7407246118..0a527e9021 100644 --- a/src/core/lib/tsi/ssl_transport_security.h +++ b/src/core/tsi/ssl_transport_security.h @@ -31,10 +31,10 @@ * */ -#ifndef GRPC_CORE_LIB_TSI_SSL_TRANSPORT_SECURITY_H -#define GRPC_CORE_LIB_TSI_SSL_TRANSPORT_SECURITY_H +#ifndef GRPC_CORE_TSI_SSL_TRANSPORT_SECURITY_H +#define GRPC_CORE_TSI_SSL_TRANSPORT_SECURITY_H -#include "src/core/lib/tsi/transport_security_interface.h" +#include "src/core/tsi/transport_security_interface.h" #ifdef __cplusplus extern "C" { @@ -188,4 +188,4 @@ int tsi_ssl_peer_matches_name(const tsi_peer *peer, const char *name); } #endif -#endif /* GRPC_CORE_LIB_TSI_SSL_TRANSPORT_SECURITY_H */ +#endif /* GRPC_CORE_TSI_SSL_TRANSPORT_SECURITY_H */ diff --git a/src/core/lib/tsi/ssl_types.h b/src/core/tsi/ssl_types.h index 0a988effd0..065cb86800 100644 --- a/src/core/lib/tsi/ssl_types.h +++ b/src/core/tsi/ssl_types.h @@ -31,8 +31,8 @@ * */ -#ifndef GRPC_CORE_LIB_TSI_SSL_TYPES_H -#define GRPC_CORE_LIB_TSI_SSL_TYPES_H +#ifndef GRPC_CORE_TSI_SSL_TYPES_H +#define GRPC_CORE_TSI_SSL_TYPES_H /* A collection of macros to cast between various integer types that are * used differently between BoringSSL and OpenSSL: @@ -52,4 +52,4 @@ #define TSI_SIZE_AS_SIZE(x) ((int)(x)) #endif -#endif /* GRPC_CORE_LIB_TSI_SSL_TYPES_H */ +#endif /* GRPC_CORE_TSI_SSL_TYPES_H */ diff --git a/src/core/lib/tsi/test_creds/BUILD b/src/core/tsi/test_creds/BUILD index 5cf04caf17..5cf04caf17 100644 --- a/src/core/lib/tsi/test_creds/BUILD +++ b/src/core/tsi/test_creds/BUILD diff --git a/src/core/lib/tsi/test_creds/README b/src/core/tsi/test_creds/README index eb8482d648..eb8482d648 100644 --- a/src/core/lib/tsi/test_creds/README +++ b/src/core/tsi/test_creds/README diff --git a/src/core/lib/tsi/test_creds/badclient.key b/src/core/tsi/test_creds/badclient.key index 5832685122..5832685122 100644 --- a/src/core/lib/tsi/test_creds/badclient.key +++ b/src/core/tsi/test_creds/badclient.key diff --git a/src/core/lib/tsi/test_creds/badclient.pem b/src/core/tsi/test_creds/badclient.pem index 1785970221..1785970221 100644 --- a/src/core/lib/tsi/test_creds/badclient.pem +++ b/src/core/tsi/test_creds/badclient.pem diff --git a/src/core/lib/tsi/test_creds/badserver.key b/src/core/tsi/test_creds/badserver.key index abfbde10ff..abfbde10ff 100644 --- a/src/core/lib/tsi/test_creds/badserver.key +++ b/src/core/tsi/test_creds/badserver.key diff --git a/src/core/lib/tsi/test_creds/badserver.pem b/src/core/tsi/test_creds/badserver.pem index 983c979f31..983c979f31 100644 --- a/src/core/lib/tsi/test_creds/badserver.pem +++ b/src/core/tsi/test_creds/badserver.pem diff --git a/src/core/lib/tsi/test_creds/ca-openssl.cnf b/src/core/tsi/test_creds/ca-openssl.cnf index e97b945e4b..e97b945e4b 100644 --- a/src/core/lib/tsi/test_creds/ca-openssl.cnf +++ b/src/core/tsi/test_creds/ca-openssl.cnf diff --git a/src/core/lib/tsi/test_creds/ca.key b/src/core/tsi/test_creds/ca.key index 03c4f950e3..03c4f950e3 100644 --- a/src/core/lib/tsi/test_creds/ca.key +++ b/src/core/tsi/test_creds/ca.key diff --git a/src/core/lib/tsi/test_creds/ca.pem b/src/core/tsi/test_creds/ca.pem index 6c8511a73c..6c8511a73c 100644 --- a/src/core/lib/tsi/test_creds/ca.pem +++ b/src/core/tsi/test_creds/ca.pem diff --git a/src/core/lib/tsi/test_creds/client.key b/src/core/tsi/test_creds/client.key index f48d0735d9..f48d0735d9 100644 --- a/src/core/lib/tsi/test_creds/client.key +++ b/src/core/tsi/test_creds/client.key diff --git a/src/core/lib/tsi/test_creds/client.pem b/src/core/tsi/test_creds/client.pem index e332091019..e332091019 100644 --- a/src/core/lib/tsi/test_creds/client.pem +++ b/src/core/tsi/test_creds/client.pem diff --git a/src/core/lib/tsi/test_creds/server0.key b/src/core/tsi/test_creds/server0.key index add153c9ae..add153c9ae 100644 --- a/src/core/lib/tsi/test_creds/server0.key +++ b/src/core/tsi/test_creds/server0.key diff --git a/src/core/lib/tsi/test_creds/server0.pem b/src/core/tsi/test_creds/server0.pem index ade75d8563..ade75d8563 100644 --- a/src/core/lib/tsi/test_creds/server0.pem +++ b/src/core/tsi/test_creds/server0.pem diff --git a/src/core/lib/tsi/test_creds/server1-openssl.cnf b/src/core/tsi/test_creds/server1-openssl.cnf index 8a02108289..8a02108289 100644 --- a/src/core/lib/tsi/test_creds/server1-openssl.cnf +++ b/src/core/tsi/test_creds/server1-openssl.cnf diff --git a/src/core/lib/tsi/test_creds/server1.key b/src/core/tsi/test_creds/server1.key index 143a5b8765..143a5b8765 100644 --- a/src/core/lib/tsi/test_creds/server1.key +++ b/src/core/tsi/test_creds/server1.key diff --git a/src/core/lib/tsi/test_creds/server1.pem b/src/core/tsi/test_creds/server1.pem index f3d43fcc5b..f3d43fcc5b 100644 --- a/src/core/lib/tsi/test_creds/server1.pem +++ b/src/core/tsi/test_creds/server1.pem diff --git a/src/core/lib/tsi/transport_security.c b/src/core/tsi/transport_security.c index 2cbf381c88..67ebe1b1f3 100644 --- a/src/core/lib/tsi/transport_security.c +++ b/src/core/tsi/transport_security.c @@ -31,7 +31,7 @@ * */ -#include "src/core/lib/tsi/transport_security.h" +#include "src/core/tsi/transport_security.h" #include <grpc/support/alloc.h> #include <grpc/support/string_util.h> @@ -101,7 +101,7 @@ tsi_result tsi_frame_protector_protect_flush( tsi_frame_protector *self, unsigned char *protected_output_frames, size_t *protected_output_frames_size, size_t *still_pending_size) { if (self == NULL || protected_output_frames == NULL || - protected_output_frames == NULL || still_pending_size == NULL) { + protected_output_frames_size == NULL || still_pending_size == NULL) { return TSI_INVALID_ARGUMENT; } return self->vtable->protect_flush(self, protected_output_frames, diff --git a/src/core/lib/tsi/transport_security.h b/src/core/tsi/transport_security.h index aaf110ee05..491fa1a8bd 100644 --- a/src/core/lib/tsi/transport_security.h +++ b/src/core/tsi/transport_security.h @@ -31,10 +31,10 @@ * */ -#ifndef GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_H -#define GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_H +#ifndef GRPC_CORE_TSI_TRANSPORT_SECURITY_H +#define GRPC_CORE_TSI_TRANSPORT_SECURITY_H -#include "src/core/lib/tsi/transport_security_interface.h" +#include "src/core/tsi/transport_security_interface.h" #ifdef __cplusplus extern "C" { @@ -108,4 +108,4 @@ char *tsi_strdup(const char *src); /* Sadly, no strdup in C89. */ } #endif -#endif /* GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_H */ +#endif /* GRPC_CORE_TSI_TRANSPORT_SECURITY_H */ diff --git a/src/core/lib/tsi/transport_security_interface.h b/src/core/tsi/transport_security_interface.h index 3e8c9d7ffe..caed43eac4 100644 --- a/src/core/lib/tsi/transport_security_interface.h +++ b/src/core/tsi/transport_security_interface.h @@ -31,8 +31,8 @@ * */ -#ifndef GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_INTERFACE_H -#define GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_INTERFACE_H +#ifndef GRPC_CORE_TSI_TRANSPORT_SECURITY_INTERFACE_H +#define GRPC_CORE_TSI_TRANSPORT_SECURITY_INTERFACE_H #include <stdint.h> #include <stdlib.h> @@ -350,4 +350,4 @@ void tsi_handshaker_destroy(tsi_handshaker *self); } #endif -#endif /* GRPC_CORE_LIB_TSI_TRANSPORT_SECURITY_INTERFACE_H */ +#endif /* GRPC_CORE_TSI_TRANSPORT_SECURITY_INTERFACE_H */ |