diff options
Diffstat (limited to 'src/core/lib/surface')
-rw-r--r-- | src/core/lib/surface/call.c | 20 | ||||
-rw-r--r-- | src/core/lib/surface/init.c | 12 | ||||
-rw-r--r-- | src/core/lib/surface/server.c | 30 |
3 files changed, 51 insertions, 11 deletions
diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c index d63a4a7401..77ad410b50 100644 --- a/src/core/lib/surface/call.c +++ b/src/core/lib/surface/call.c @@ -174,6 +174,9 @@ struct grpc_call { /* Received call statuses from various sources */ received_status status[STATUS_SOURCE_COUNT]; + /* Call stats: only valid after trailing metadata received */ + grpc_transport_stream_stats stats; + /* Compression algorithm for the call */ grpc_compression_algorithm compression_algorithm; /* Supported encodings (compression algorithms), a bitset */ @@ -909,7 +912,7 @@ static void set_cancelled_value(grpc_status_code status, void *dest) { *(int *)dest = (status != GRPC_STATUS_OK); } -static int are_write_flags_valid(uint32_t flags) { +static bool are_write_flags_valid(uint32_t flags) { /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */ const uint32_t allowed_write_positions = (GRPC_WRITE_USED_MASK | GRPC_WRITE_INTERNAL_USED_MASK); @@ -917,6 +920,15 @@ static int are_write_flags_valid(uint32_t flags) { return !(flags & invalid_positions); } +static bool are_initial_metadata_flags_valid(uint32_t flags, bool is_client) { + /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */ + uint32_t invalid_positions = ~GRPC_INITIAL_METADATA_USED_MASK; + if (!is_client) { + invalid_positions |= GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST; + } + return !(flags & invalid_positions); +} + static batch_control *allocate_batch_control(grpc_call *call) { size_t i; for (i = 0; i < MAX_CONCURRENT_BATCHES; i++) { @@ -1196,7 +1208,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, switch (op->op) { case GRPC_OP_SEND_INITIAL_METADATA: /* Flag validation: currently allow no flags */ - if (op->flags != 0) { + if (!are_initial_metadata_flags_valid(op->flags, call->is_client)) { error = GRPC_CALL_ERROR_INVALID_FLAGS; goto done_with_error; } @@ -1220,6 +1232,8 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, call->metadata_batch[0][0].deadline = call->send_deadline; stream_op.send_initial_metadata = &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]; + stream_op.send_idempotent_request = + (op->flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) != 0; break; case GRPC_OP_SEND_MESSAGE: if (!are_write_flags_valid(op->flags)) { @@ -1371,6 +1385,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, bctl->recv_final_op = 1; stream_op.recv_trailing_metadata = &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */]; + stream_op.collect_stats = &call->stats; break; case GRPC_OP_RECV_CLOSE_ON_SERVER: /* Flag validation: currently allow no flags */ @@ -1392,6 +1407,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, bctl->recv_final_op = 1; stream_op.recv_trailing_metadata = &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */]; + stream_op.collect_stats = &call->stats; break; } } diff --git a/src/core/lib/surface/init.c b/src/core/lib/surface/init.c index dbfc8a9336..3ccc21fb31 100644 --- a/src/core/lib/surface/init.c +++ b/src/core/lib/surface/init.c @@ -48,8 +48,6 @@ #include "src/core/lib/channel/connected_channel.h" #include "src/core/lib/channel/http_client_filter.h" #include "src/core/lib/channel/http_server_filter.h" -#include "src/core/lib/client_config/lb_policies/pick_first.h" -#include "src/core/lib/client_config/lb_policies/round_robin.h" #include "src/core/lib/client_config/lb_policy_registry.h" #include "src/core/lib/client_config/resolver_registry.h" #include "src/core/lib/client_config/resolvers/dns_resolver.h" @@ -75,6 +73,9 @@ #define GRPC_DEFAULT_NAME_PREFIX "dns:///" #endif +/* (generated) built in registry of plugins */ +extern void grpc_register_built_in_plugins(void); + #define MAX_PLUGINS 128 static gpr_once g_basic_init = GPR_ONCE_INIT; @@ -83,6 +84,7 @@ static int g_initializations; static void do_basic_init(void) { gpr_mu_init(&g_init_mu); + grpc_register_built_in_plugins(); /* TODO(ctiller): ideally remove this strict linkage */ grpc_register_plugin(census_grpc_plugin_init, census_grpc_plugin_destroy); g_initializations = 0; @@ -165,14 +167,12 @@ void grpc_init(void) { gpr_time_init(); grpc_mdctx_global_init(); grpc_channel_init_init(); - grpc_lb_policy_registry_init(grpc_pick_first_lb_factory_create()); - grpc_register_lb_policy(grpc_pick_first_lb_factory_create()); - grpc_register_lb_policy(grpc_round_robin_lb_factory_create()); + grpc_lb_policy_registry_init(); grpc_resolver_registry_init(GRPC_DEFAULT_NAME_PREFIX); grpc_register_resolver_type(grpc_dns_resolver_factory_create()); grpc_register_resolver_type(grpc_ipv4_resolver_factory_create()); grpc_register_resolver_type(grpc_ipv6_resolver_factory_create()); -#ifdef GPR_POSIX_SOCKET +#ifdef GPR_HAVE_UNIX_SOCKET grpc_register_resolver_type(grpc_unix_resolver_factory_create()); #endif grpc_register_tracer("api", &grpc_api_trace); diff --git a/src/core/lib/surface/server.c b/src/core/lib/surface/server.c index 080734e9d5..55e5e49e11 100644 --- a/src/core/lib/surface/server.c +++ b/src/core/lib/surface/server.c @@ -100,6 +100,7 @@ typedef struct requested_call { typedef struct channel_registered_method { registered_method *server_registered_method; + uint32_t flags; grpc_mdstr *method; grpc_mdstr *host; } channel_registered_method; @@ -152,6 +153,7 @@ struct call_data { grpc_completion_queue *cq_new; grpc_metadata_batch *recv_initial_metadata; + bool recv_idempotent_request; grpc_metadata_array initial_metadata; grpc_closure got_initial_metadata; @@ -171,6 +173,7 @@ struct request_matcher { struct registered_method { char *method; char *host; + uint32_t flags; request_matcher request_matcher; registered_method *next; }; @@ -468,6 +471,9 @@ static void start_new_rpc(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) { if (!rm) break; if (rm->host != calld->host) continue; if (rm->method != calld->path) continue; + if ((rm->flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) && + !calld->recv_idempotent_request) + continue; finish_start_new_rpc(exec_ctx, server, elem, &rm->server_registered_method->request_matcher); return; @@ -480,6 +486,9 @@ static void start_new_rpc(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) { if (!rm) break; if (rm->host != NULL) continue; if (rm->method != calld->path) continue; + if ((rm->flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) && + !calld->recv_idempotent_request) + continue; finish_start_new_rpc(exec_ctx, server, elem, &rm->server_registered_method->request_matcher); return; @@ -598,9 +607,11 @@ static void server_mutate_op(grpc_call_element *elem, 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; } } @@ -830,10 +841,12 @@ static int streq(const char *a, const char *b) { } void *grpc_server_register_method(grpc_server *server, const char *method, - const char *host) { + const char *host, uint32_t flags) { registered_method *m; - GRPC_API_TRACE("grpc_server_register_method(server=%p, method=%s, host=%s)", - 3, (server, method, host)); + GRPC_API_TRACE( + "grpc_server_register_method(server=%p, method=%s, host=%s, " + "flags=0x%08x)", + 4, (server, method, host, flags)); if (!method) { gpr_log(GPR_ERROR, "grpc_server_register_method method string cannot be NULL"); @@ -846,12 +859,18 @@ void *grpc_server_register_method(grpc_server *server, const char *method, return NULL; } } + if ((flags & ~GRPC_INITIAL_METADATA_USED_MASK) != 0) { + gpr_log(GPR_ERROR, "grpc_server_register_method invalid flags 0x%08x", + flags); + return NULL; + } m = gpr_malloc(sizeof(registered_method)); memset(m, 0, sizeof(*m)); request_matcher_init(&m->request_matcher, server->max_requested_calls); m->method = gpr_strdup(method); m->host = gpr_strdup(host); m->next = server->registered_methods; + m->flags = flags; server->registered_methods = m; return m; } @@ -930,6 +949,7 @@ void grpc_server_setup_transport(grpc_exec_ctx *exec_ctx, grpc_server *s, if (probes > max_probes) max_probes = probes; crm = &chand->registered_methods[(hash + probes) % slots]; crm->server_registered_method = rm; + crm->flags = rm->flags; crm->host = host; crm->method = method; } @@ -1247,6 +1267,10 @@ static void begin_call(grpc_exec_ctx *exec_ctx, grpc_server *server, cpstr(&rc->data.batch.details->method, &rc->data.batch.details->method_capacity, calld->path); rc->data.batch.details->deadline = calld->deadline; + rc->data.batch.details->flags = + 0 | (calld->recv_idempotent_request + ? GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST + : 0); break; case REGISTERED_CALL: *rc->data.registered.deadline = calld->deadline; |