diff options
| author |  Vijay Pai <vpai@google.com> | 2016-06-15 22:57:21 -0700 |
|---|---|---|
| committer | Vijay Pai <vpai@google.com> | 2016-06-15 22:57:21 -0700 |
| commit | b9e927afcc689edaa5c02613a69fd9ceb944ec5b (patch) | |
| tree | 338945681c588bbce751c82575ceb9b8f9466d59 /src/core | |
| parent | 20bf126da605e3c765ddc494ce92de3a7ff32795 (diff) | |
| parent | fa9b7c1bc6488be17d18007f45c57dac39ea5b79 (diff) | |
Merge branch 'master' into wheezy
Diffstat (limited to 'src/core')
34 files changed, 1021 insertions, 189 deletions
diff --git a/src/core/ext/lb_policy/round_robin/round_robin.c b/src/core/ext/lb_policy/round_robin/round_robin.c index 8645333c8e..40dd7c5940 100644 --- a/src/core/ext/lb_policy/round_robin/round_robin.c +++ b/src/core/ext/lb_policy/round_robin/round_robin.c @@ -31,6 +31,34 @@ * */ +/** Round Robin Policy. + * + * This policy keeps: + * - A circular list of ready (connected) subchannels, the *readylist*. An empty + * readylist consists solely of its root (dummy) node. + * - A pointer to the last element picked from the readylist, the *lastpick*. + * Initially set to point to the readylist's root. + * + * Behavior: + * - When a subchannel connects, it's *prepended* to the readylist's root node. + * Ie, if readylist = A <-> B <-> ROOT <-> C + * ^ ^ + * |____________________| + * and subchannel D becomes connected, the addition of D to the readylist + * results in readylist = A <-> B <-> D <-> ROOT <-> C + * ^ ^ + * |__________________________| + * - When a subchannel disconnects, it's removed from the readylist. If the + * subchannel being removed was the most recently picked, the *lastpick* + * pointer moves to the removed node's previous element. Note that if the + * readylist only had one element, this is still legal, as the lastpick would + * point to the dummy root node, for an empty readylist. + * - Upon picking, *lastpick* is updated to point to the returned (connected) + * subchannel. Note that it's possible that the selected subchannel becomes + * disconnected in the interim between the selection and the actual usage of + * the subchannel by the caller. + */ + #include <string.h> #include <grpc/support/alloc.h> @@ -173,9 +201,7 @@ static void remove_disconnected_sc_locked(round_robin_lb_policy *p, return; } if (node == p->ready_list_last_pick) { - /* If removing the lastly picked node, reset the last pick pointer to the - * dummy root of the list */ - p->ready_list_last_pick = &p->ready_list; + p->ready_list_last_pick = p->ready_list_last_pick->prev; } /* removing last item */ @@ -307,7 +333,7 @@ static void start_picking(grpc_exec_ctx *exec_ctx, round_robin_lb_policy *p) { p->started_picking = 1; if (grpc_lb_round_robin_trace) { - gpr_log(GPR_DEBUG, "LB_POLICY: p=%p num_subchannels=%d", p, + gpr_log(GPR_DEBUG, "LB_POLICY: p=%p num_subchannels=%" PRIuPTR, p, p->num_subchannels); } @@ -345,8 +371,8 @@ static int rr_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, *target = grpc_subchannel_get_connected_subchannel(selected->subchannel); if (grpc_lb_round_robin_trace) { gpr_log(GPR_DEBUG, - "[RR PICK] TARGET <-- CONNECTED SUBCHANNEL %p (NODE %p)", - selected->subchannel, selected); + "[RR PICK] TARGET <-- CONNECTED SUBCHANNEL %p (NODE %p)", *target, + selected); } /* only advance the last picked pointer if the selection was used */ advance_last_picked_locked(p); @@ -526,7 +552,7 @@ static void round_robin_factory_ref(grpc_lb_policy_factory *factory) {} static void round_robin_factory_unref(grpc_lb_policy_factory *factory) {} -static grpc_lb_policy *create_round_robin(grpc_exec_ctx *exec_ctx, +static grpc_lb_policy *round_robin_create(grpc_exec_ctx *exec_ctx, grpc_lb_policy_factory *factory, grpc_lb_policy_args *args) { GPR_ASSERT(args->addresses != NULL); @@ -582,7 +608,7 @@ static grpc_lb_policy *create_round_robin(grpc_exec_ctx *exec_ctx, } static const grpc_lb_policy_factory_vtable round_robin_factory_vtable = { - round_robin_factory_ref, round_robin_factory_unref, create_round_robin, + round_robin_factory_ref, round_robin_factory_unref, round_robin_create, "round_robin"}; static grpc_lb_policy_factory round_robin_lb_policy_factory = { diff --git a/src/core/ext/load_reporting/load_reporting.c b/src/core/ext/load_reporting/load_reporting.c index 60082dbaaa..9e4d32676f 100644 --- a/src/core/ext/load_reporting/load_reporting.c +++ b/src/core/ext/load_reporting/load_reporting.c @@ -76,7 +76,8 @@ static bool is_load_reporting_enabled(const grpc_channel_args *a) { if (a == NULL) return false; for (size_t i = 0; i < a->num_args; i++) { if (0 == strcmp(a->args[i].key, GRPC_ARG_ENABLE_LOAD_REPORTING)) { - return a->args[i].value.pointer.p != NULL; + return a->args[i].type == GRPC_ARG_POINTER && + a->args[i].value.pointer.p != NULL; } } return false; diff --git a/src/core/ext/resolver/dns/native/dns_resolver.c b/src/core/ext/resolver/dns/native/dns_resolver.c index 620ba4e2aa..5efc95e0fa 100644 --- a/src/core/ext/resolver/dns/native/dns_resolver.c +++ b/src/core/ext/resolver/dns/native/dns_resolver.c @@ -183,7 +183,8 @@ static void dns_on_resolved(grpc_exec_ctx *exec_ctx, void *arg, 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_DEBUG, "dns resolution failed: retrying in %d.%09d seconds", + gpr_log(GPR_DEBUG, + "dns resolution failed: retrying in %" PRId64 ".%09d seconds", timeout.tv_sec, timeout.tv_nsec); GPR_ASSERT(!r->have_retry_timer); r->have_retry_timer = true; diff --git a/src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c b/src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c new file mode 100644 index 0000000000..ca435c25ce --- /dev/null +++ b/src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c @@ -0,0 +1,95 @@ +/* + * + * 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/grpc.h> +#include <grpc/grpc_posix.h> +#include <grpc/support/log.h> +#include <grpc/support/port_platform.h> + +#ifdef GPR_SUPPORT_CHANNELS_FROM_FD + +#include <fcntl.h> + +#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" +#include "src/core/lib/channel/channel_args.h" +#include "src/core/lib/iomgr/endpoint.h" +#include "src/core/lib/iomgr/exec_ctx.h" +#include "src/core/lib/iomgr/tcp_posix.h" +#include "src/core/lib/surface/api_trace.h" +#include "src/core/lib/surface/channel.h" +#include "src/core/lib/transport/transport.h" + +grpc_channel *grpc_insecure_channel_create_from_fd( + const char *target, int fd, const grpc_channel_args *args) { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + GRPC_API_TRACE("grpc_insecure_channel_create(target=%p, fd=%d, args=%p)", 3, + (target, fd, args)); + + grpc_arg default_authority_arg; + default_authority_arg.type = GRPC_ARG_STRING; + default_authority_arg.key = GRPC_ARG_DEFAULT_AUTHORITY; + default_authority_arg.value.string = "test.authority"; + grpc_channel_args *final_args = + grpc_channel_args_copy_and_add(args, &default_authority_arg, 1); + + int flags = fcntl(fd, F_GETFL, 0); + GPR_ASSERT(fcntl(fd, F_SETFL, flags | O_NONBLOCK) == 0); + + grpc_endpoint *client = + grpc_tcp_create(grpc_fd_create(fd, "client"), + GRPC_TCP_DEFAULT_READ_SLICE_SIZE, "fd-client"); + + grpc_transport *transport = + grpc_create_chttp2_transport(&exec_ctx, final_args, client, 1); + GPR_ASSERT(transport); + grpc_channel *channel = grpc_channel_create( + &exec_ctx, target, final_args, GRPC_CLIENT_DIRECT_CHANNEL, transport); + grpc_channel_args_destroy(final_args); + grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL, 0); + + grpc_exec_ctx_finish(&exec_ctx); + + return channel != NULL ? channel : grpc_lame_client_channel_create( + target, GRPC_STATUS_INTERNAL, + "Failed to create client channel"); +} + +#else // !GPR_SUPPORT_CHANNELS_FROM_FD + +grpc_channel *grpc_insecure_channel_create_from_fd( + const char *target, int fd, const grpc_channel_args *args) { + GPR_ASSERT(0); + return NULL; +} + +#endif // GPR_SUPPORT_CHANNELS_FROM_FD diff --git a/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c b/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c index 0428bb1e3d..c95dd20d1d 100644 --- a/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c +++ b/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c @@ -111,13 +111,14 @@ int grpc_server_add_insecure_http2_port(grpc_server *server, const char *addr) { } } if (count == 0) { - gpr_log(GPR_ERROR, "No address added out of total %d resolved", + gpr_log(GPR_ERROR, "No address added out of total %" PRIuPTR " resolved", resolved->naddrs); goto error; } if (count != resolved->naddrs) { - gpr_log(GPR_ERROR, "Only %d addresses added out of total %d resolved", - count, resolved->naddrs); + gpr_log(GPR_ERROR, + "Only %d addresses added out of total %" PRIuPTR " resolved", count, + resolved->naddrs); } grpc_resolved_addresses_destroy(resolved); diff --git a/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c b/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c new file mode 100644 index 0000000000..96bf4d6f30 --- /dev/null +++ b/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c @@ -0,0 +1,82 @@ +/* + * + * 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/grpc.h> +#include <grpc/grpc_posix.h> +#include <grpc/support/log.h> +#include <grpc/support/port_platform.h> + +#ifdef GPR_SUPPORT_CHANNELS_FROM_FD + +#include <grpc/support/alloc.h> +#include <grpc/support/string_util.h> + +#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" +#include "src/core/lib/channel/channel_args.h" +#include "src/core/lib/iomgr/endpoint.h" +#include "src/core/lib/iomgr/exec_ctx.h" +#include "src/core/lib/iomgr/tcp_posix.h" +#include "src/core/lib/surface/completion_queue.h" +#include "src/core/lib/surface/server.h" + +void grpc_server_add_insecure_channel_from_fd(grpc_server *server, + grpc_completion_queue *cq, + int fd) { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + + char *name; + gpr_asprintf(&name, "fd:%d", fd); + + grpc_endpoint *server_endpoint = grpc_tcp_create( + grpc_fd_create(fd, name), GRPC_TCP_DEFAULT_READ_SLICE_SIZE, name); + + gpr_free(name); + + const grpc_channel_args *server_args = grpc_server_get_channel_args(server); + grpc_transport *transport = grpc_create_chttp2_transport( + &exec_ctx, server_args, server_endpoint, 0 /* is_client */); + grpc_endpoint_add_to_pollset(&exec_ctx, server_endpoint, grpc_cq_pollset(cq)); + grpc_server_setup_transport(&exec_ctx, server, transport, NULL, server_args); + grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL, 0); + grpc_exec_ctx_finish(&exec_ctx); +} + +#else // !GPR_SUPPORT_CHANNELS_FROM_FD + +void grpc_server_add_insecure_channel_from_fd(grpc_server *server, + grpc_completion_queue *cq, + int fd) { + GPR_ASSERT(0); +} + +#endif // GPR_SUPPORT_CHANNELS_FROM_FD diff --git a/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c b/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c index ebbefbcd89..e3437e5ed3 100644 --- a/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c +++ b/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c @@ -229,13 +229,14 @@ int grpc_server_add_secure_http2_port(grpc_server *server, const char *addr, } } if (count == 0) { - gpr_log(GPR_ERROR, "No address added out of total %d resolved", + gpr_log(GPR_ERROR, "No address added out of total %" PRIuPTR " resolved", resolved->naddrs); goto error; } if (count != resolved->naddrs) { - gpr_log(GPR_ERROR, "Only %d addresses added out of total %d resolved", - count, resolved->naddrs); + gpr_log(GPR_ERROR, + "Only %d addresses added out of total %" PRIuPTR " resolved", count, + resolved->naddrs); /* if it's an error, don't we want to goto error; here ? */ } grpc_resolved_addresses_destroy(resolved); diff --git a/src/core/ext/transport/chttp2/transport/bin_decoder.c b/src/core/ext/transport/chttp2/transport/bin_decoder.c new file mode 100644 index 0000000000..2d90b01cd8 --- /dev/null +++ b/src/core/ext/transport/chttp2/transport/bin_decoder.c @@ -0,0 +1,232 @@ +/* + * + * 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 "src/core/ext/transport/chttp2/transport/bin_decoder.h" +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> +#include "src/core/lib/support/string.h" + +static uint8_t decode_table[] = { + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 62, 0x40, 0x40, 0x40, 63, + 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0, 1, 2, 3, 4, 5, 6, + 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 24, 25, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, + 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, + 49, 50, 51, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40}; + +static const uint8_t tail_xtra[4] = {0, 0, 1, 2}; + +static bool input_is_valid(uint8_t *input_ptr, size_t length) { + size_t i; + + for (i = 0; i < length; ++i) { + if ((decode_table[input_ptr[i]] & 0xC0) != 0) { + gpr_log(GPR_ERROR, + "Base64 decoding failed, invalid character '%c' in base64 " + "input.\n", + (char)(*input_ptr)); + return false; + } + } + return true; +} + +#define COMPOSE_OUTPUT_BYTE_0(input_ptr) \ + (uint8_t)((decode_table[input_ptr[0]] << 2) | \ + (decode_table[input_ptr[1]] >> 4)) + +#define COMPOSE_OUTPUT_BYTE_1(input_ptr) \ + (uint8_t)((decode_table[input_ptr[1]] << 4) | \ + (decode_table[input_ptr[2]] >> 2)) + +#define COMPOSE_OUTPUT_BYTE_2(input_ptr) \ + (uint8_t)((decode_table[input_ptr[2]] << 6) | decode_table[input_ptr[3]]) + +bool grpc_base64_decode_partial(struct grpc_base64_decode_context *ctx) { + size_t input_tail; + + if (ctx->input_cur > ctx->input_end || ctx->output_cur > ctx->output_end) { + return false; + } + + // Process a block of 4 input characters and 3 output bytes + while (ctx->input_end >= ctx->input_cur + 4 && + ctx->output_end >= ctx->output_cur + 3) { + if (!input_is_valid(ctx->input_cur, 4)) return false; + ctx->output_cur[0] = COMPOSE_OUTPUT_BYTE_0(ctx->input_cur); + ctx->output_cur[1] = COMPOSE_OUTPUT_BYTE_1(ctx->input_cur); + ctx->output_cur[2] = COMPOSE_OUTPUT_BYTE_2(ctx->input_cur); + ctx->output_cur += 3; + ctx->input_cur += 4; + } + + // Process the tail of input data + input_tail = (size_t)(ctx->input_end - ctx->input_cur); + if (input_tail == 4) { + // Process the input data with pad chars + if (ctx->input_cur[3] == '=') { + if (ctx->input_cur[2] == '=' && ctx->output_end >= ctx->output_cur + 1) { + if (!input_is_valid(ctx->input_cur, 2)) return false; + *(ctx->output_cur++) = COMPOSE_OUTPUT_BYTE_0(ctx->input_cur); + ctx->input_cur += 4; + } else if (ctx->output_end >= ctx->output_cur + 2) { + if (!input_is_valid(ctx->input_cur, 3)) return false; + *(ctx->output_cur++) = COMPOSE_OUTPUT_BYTE_0(ctx->input_cur); + *(ctx->output_cur++) = COMPOSE_OUTPUT_BYTE_1(ctx->input_cur); + ; + ctx->input_cur += 4; + } + } + + } else if (ctx->contains_tail && input_tail > 1) { + // Process the input data without pad chars, but constains_tail is set + if (ctx->output_end >= ctx->output_cur + tail_xtra[input_tail]) { + if (!input_is_valid(ctx->input_cur, input_tail)) return false; + switch (input_tail) { + case 3: + ctx->output_cur[1] = COMPOSE_OUTPUT_BYTE_1(ctx->input_cur); + case 2: + ctx->output_cur[0] = COMPOSE_OUTPUT_BYTE_0(ctx->input_cur); + } + ctx->output_cur += tail_xtra[input_tail]; + ctx->input_cur += input_tail; + } + } + + return true; +} + +gpr_slice grpc_chttp2_base64_decode(gpr_slice input) { + size_t input_length = GPR_SLICE_LENGTH(input); + size_t output_length = input_length / 4 * 3; + struct grpc_base64_decode_context ctx; + gpr_slice output; + + if (input_length % 4 != 0) { + gpr_log(GPR_ERROR, + "Base64 decoding failed, input of " + "grpc_chttp2_base64_decode has a length of %d, which is not a " + "multiple of 4.\n", + (int)input_length); + return gpr_empty_slice(); + } + + if (input_length > 0) { + uint8_t *input_end = GPR_SLICE_END_PTR(input); + if (*(--input_end) == '=') { + output_length--; + if (*(--input_end) == '=') { + output_length--; + } + } + } + output = gpr_slice_malloc(output_length); + + ctx.input_cur = GPR_SLICE_START_PTR(input); + ctx.input_end = GPR_SLICE_END_PTR(input); + ctx.output_cur = GPR_SLICE_START_PTR(output); + ctx.output_end = GPR_SLICE_END_PTR(output); + ctx.contains_tail = false; + + if (!grpc_base64_decode_partial(&ctx)) { + char *s = gpr_dump_slice(input, GPR_DUMP_ASCII); + gpr_log(GPR_ERROR, "Base64 decoding failed, input string:\n%s\n", s); + gpr_free(s); + gpr_slice_unref(output); + return gpr_empty_slice(); + } + GPR_ASSERT(ctx.output_cur == GPR_SLICE_END_PTR(output)); + GPR_ASSERT(ctx.input_cur == GPR_SLICE_END_PTR(input)); + return output; +} + +gpr_slice grpc_chttp2_base64_decode_with_length(gpr_slice input, + size_t output_length) { + size_t input_length = GPR_SLICE_LENGTH(input); + gpr_slice output = gpr_slice_malloc(output_length); + struct grpc_base64_decode_context ctx; + + // The length of a base64 string cannot be 4 * n + 1 + if (input_length % 4 == 1) { + gpr_log(GPR_ERROR, + "Base64 decoding failed, input of " + "grpc_chttp2_base64_decode_with_length has a length of %d, which " + "has a tail of 1 byte.\n", + (int)input_length); + gpr_slice_unref(output); + return gpr_empty_slice(); + } + + if (output_length > input_length / 4 * 3 + tail_xtra[input_length % 4]) { + gpr_log(GPR_ERROR, + "Base64 decoding failed, output_length %d is longer " + "than the max possible output length %d.\n", + (int)output_length, + (int)(input_length / 4 * 3 + tail_xtra[input_length % 4])); + gpr_slice_unref(output); + return gpr_empty_slice(); + } + + ctx.input_cur = GPR_SLICE_START_PTR(input); + ctx.input_end = GPR_SLICE_END_PTR(input); + ctx.output_cur = GPR_SLICE_START_PTR(output); + ctx.output_end = GPR_SLICE_END_PTR(output); + ctx.contains_tail = true; + + if (!grpc_base64_decode_partial(&ctx)) { + char *s = gpr_dump_slice(input, GPR_DUMP_ASCII); + gpr_log(GPR_ERROR, "Base64 decoding failed, input string:\n%s\n", s); + gpr_free(s); + gpr_slice_unref(output); + return gpr_empty_slice(); + } + GPR_ASSERT(ctx.output_cur == GPR_SLICE_END_PTR(output)); + GPR_ASSERT(ctx.input_cur <= GPR_SLICE_END_PTR(input)); + return output; +} diff --git a/src/core/ext/transport/chttp2/transport/bin_decoder.h b/src/core/ext/transport/chttp2/transport/bin_decoder.h new file mode 100644 index 0000000000..b9d40c9b74 --- /dev/null +++ b/src/core/ext/transport/chttp2/transport/bin_decoder.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_TRANSPORT_CHTTP2_TRANSPORT_BIN_DECODER_H +#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_BIN_DECODER_H + +#include <grpc/support/slice.h> +#include <stdbool.h> + +struct grpc_base64_decode_context { + /* input/output: */ + uint8_t *input_cur; + uint8_t *input_end; + uint8_t *output_cur; + uint8_t *output_end; + /* Indicate if the decoder should handle the tail of input data*/ + bool contains_tail; +}; + +/* base64 decode a grpc_base64_decode_context util either input_end is reached + or output_end is reached. When input_end is reached, (input_end - input_cur) + is less than 4. When output_end is reached, (output_end - output_cur) is less + than 3. Returns false if decoding is failed. */ +bool grpc_base64_decode_partial(struct grpc_base64_decode_context *ctx); + +/* base64 decode a slice with pad chars. Returns a new slice, does not take + ownership of the input. Returns an empty slice if decoding is failed. */ +gpr_slice grpc_chttp2_base64_decode(gpr_slice input); + +/* base64 decode a slice without pad chars, data length is needed. Returns a new + slice, does not take ownership of the input. Returns an empty slice if + decoding is failed. */ +gpr_slice grpc_chttp2_base64_decode_with_length(gpr_slice input, + size_t output_length); + +#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_BIN_DECODER_H */ diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c index 046b395001..6e8640f1b3 100644 --- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c +++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c @@ -47,6 +47,7 @@ #include "src/core/ext/transport/chttp2/transport/internal.h" #include "src/core/ext/transport/chttp2/transport/status_conversion.h" #include "src/core/ext/transport/chttp2/transport/timeout_encoding.h" +#include "src/core/lib/http/parser.h" #include "src/core/lib/profiling/timers.h" #include "src/core/lib/support/string.h" #include "src/core/lib/transport/static_metadata.h" @@ -107,7 +108,8 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, static void cancel_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global, grpc_chttp2_stream_global *stream_global, - grpc_status_code status); + grpc_status_code status, + gpr_slice *optional_message); static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global, @@ -161,6 +163,8 @@ static void destruct_transport(grpc_exec_ctx *exec_ctx, GPR_ASSERT(t->ep == NULL); + gpr_slice_unref(t->optional_drop_message); + gpr_slice_buffer_destroy(&t->global.qbuf); gpr_slice_buffer_destroy(&t->writing.outbuf); @@ -260,6 +264,7 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, t->parsing.deframe_state = is_client ? GRPC_DTS_FH_0 : GRPC_DTS_CLIENT_PREFIX_0; t->writing.is_client = is_client; + t->optional_drop_message = gpr_empty_slice(); grpc_connectivity_state_init( &t->channel_callback.state_tracker, GRPC_CHANNEL_READY, is_client ? "client_transport" : "server_transport"); @@ -804,8 +809,10 @@ void grpc_chttp2_add_incoming_goaway( gpr_free(msg); gpr_slice_unref(goaway_text); transport_global->seen_goaway = 1; - connectivity_state_set(exec_ctx, transport_global, GRPC_CHANNEL_SHUTDOWN, - "got_goaway"); + /* lie: use transient failure from the transport to indicate goaway has been + * received */ + connectivity_state_set(exec_ctx, transport_global, + GRPC_CHANNEL_TRANSIENT_FAILURE, "got_goaway"); } static void maybe_start_some_streams( @@ -859,7 +866,7 @@ static void maybe_start_some_streams( grpc_chttp2_list_pop_waiting_for_concurrency(transport_global, &stream_global)) { cancel_from_api(exec_ctx, transport_global, stream_global, - GRPC_STATUS_UNAVAILABLE); + GRPC_STATUS_UNAVAILABLE, NULL); } } @@ -936,7 +943,7 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, if (op->cancel_with_status != GRPC_STATUS_OK) { cancel_from_api(exec_ctx, transport_global, stream_global, - op->cancel_with_status); + op->cancel_with_status, op->optional_close_message); } if (op->close_with_status != GRPC_STATUS_OK) { @@ -957,10 +964,10 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, if (metadata_size > metadata_peer_limit) { gpr_log(GPR_DEBUG, "to-be-sent initial metadata size exceeds peer limit " - "(%lu vs. %lu)", + "(%" PRIuPTR " vs. %" PRIuPTR ")", metadata_size, metadata_peer_limit); cancel_from_api(exec_ctx, transport_global, stream_global, - GRPC_STATUS_RESOURCE_EXHAUSTED); + GRPC_STATUS_RESOURCE_EXHAUSTED, NULL); } else { if (contains_non_ok_status(transport_global, op->send_initial_metadata)) { stream_global->seen_error = true; @@ -1012,10 +1019,10 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, if (metadata_size > metadata_peer_limit) { gpr_log(GPR_DEBUG, "to-be-sent trailing metadata size exceeds peer limit " - "(%lu vs. %lu)", + "(%" PRIuPTR " vs. %" PRIuPTR ")", metadata_size, metadata_peer_limit); cancel_from_api(exec_ctx, transport_global, stream_global, - GRPC_STATUS_RESOURCE_EXHAUSTED); + GRPC_STATUS_RESOURCE_EXHAUSTED, NULL); } else { if (contains_non_ok_status(transport_global, op->send_trailing_metadata)) { @@ -1201,7 +1208,7 @@ static void check_read_ops(grpc_exec_ctx *exec_ctx, } if (stream_global->exceeded_metadata_size) { cancel_from_api(exec_ctx, transport_global, stream_global, - GRPC_STATUS_RESOURCE_EXHAUSTED); + GRPC_STATUS_RESOURCE_EXHAUSTED, NULL); } } grpc_chttp2_incoming_metadata_buffer_publish( @@ -1240,7 +1247,7 @@ static void check_read_ops(grpc_exec_ctx *exec_ctx, } if (stream_global->exceeded_metadata_size) { cancel_from_api(exec_ctx, transport_global, stream_global, - GRPC_STATUS_RESOURCE_EXHAUSTED); + GRPC_STATUS_RESOURCE_EXHAUSTED, NULL); } } if (stream_global->all_incoming_byte_streams_finished) { @@ -1303,7 +1310,8 @@ static void remove_stream(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, static void cancel_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global, grpc_chttp2_stream_global *stream_global, - grpc_status_code status) { + grpc_status_code status, + gpr_slice *optional_message) { if (!stream_global->read_closed || !stream_global->write_closed) { if (stream_global->id != 0) { gpr_slice_buffer_add( @@ -1313,8 +1321,12 @@ static void cancel_from_api(grpc_exec_ctx *exec_ctx, (uint32_t)grpc_chttp2_grpc_status_to_http2_error(status), &stream_global->stats.outgoing)); } + + if (optional_message) { + gpr_slice_ref(*optional_message); + } grpc_chttp2_fake_status(exec_ctx, transport_global, stream_global, status, - NULL); + optional_message); } if (status != GRPC_STATUS_OK && !stream_global->seen_error) { stream_global->seen_error = true; @@ -1524,8 +1536,12 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, static void cancel_stream_cb(grpc_chttp2_transport_global *transport_global, void *user_data, grpc_chttp2_stream_global *stream_global) { + grpc_chttp2_transport *transport = TRANSPORT_FROM_GLOBAL(transport_global); cancel_from_api(user_data, transport_global, stream_global, - GRPC_STATUS_UNAVAILABLE); + GRPC_STATUS_UNAVAILABLE, + GPR_SLICE_IS_EMPTY(transport->optional_drop_message) + ? NULL + : &transport->optional_drop_message); } static void end_all_the_calls(grpc_exec_ctx *exec_ctx, @@ -1601,6 +1617,29 @@ static void reading_action_locked(grpc_exec_ctx *exec_ctx, } } +static bool try_http_parsing(grpc_exec_ctx *exec_ctx, + grpc_chttp2_transport *t) { + grpc_http_parser parser; + size_t i = 0; + bool success = false; + + grpc_http_parser_init(&parser); + + for (; i < t->read_buffer.count && + grpc_http_parser_parse(&parser, t->read_buffer.slices[i]); + i++) + ; + if (grpc_http_parser_eof(&parser) && parser.type == GRPC_HTTP_RESPONSE) { + success = true; + GRPC_CHTTP2_IF_TRACING(gpr_log( + GPR_DEBUG, "Trying to connect an http1.x server, received status:%d", + parser.http.response.status)); + } + + grpc_http_parser_destroy(&parser); + return success; +} + static void parsing_action(grpc_exec_ctx *exec_ctx, void *arg, bool success) { grpc_chttp2_transport *t = arg; GPR_TIMER_BEGIN("reading_action.parse", 0); @@ -1612,6 +1651,14 @@ static void parsing_action(grpc_exec_ctx *exec_ctx, void *arg, bool success) { ; if (i != t->read_buffer.count) { success = false; + gpr_slice_unref(t->optional_drop_message); + if (try_http_parsing(exec_ctx, t)) { + t->optional_drop_message = gpr_slice_from_copied_string( + "Connection dropped: received http1.x response"); + } else { + t->optional_drop_message = gpr_slice_from_copied_string( + "Connection dropped: received unparseable response"); + } } GPR_TIMER_END("reading_action.parse", 0); grpc_chttp2_run_with_global_lock(exec_ctx, t, NULL, post_parse_locked, @@ -1972,10 +2019,13 @@ static char *format_flowctl_context_var(const char *context, const char *var, int64_t val, uint32_t id, char **scope) { char *underscore_pos; + char *buf; char *result; if (context == NULL) { *scope = NULL; - gpr_asprintf(&result, "%s(%lld)", var, val); + gpr_asprintf(&buf, "%s(%" PRId64 ")", var, val); + result = gpr_leftpad(buf, ' ', 40); + gpr_free(buf); return result; } underscore_pos = strchr(context, '_'); @@ -1986,7 +2036,9 @@ static char *format_flowctl_context_var(const char *context, const char *var, gpr_asprintf(scope, "%s[%d]", tmp, id); gpr_free(tmp); } - gpr_asprintf(&result, "%s.%s(%lld)", underscore_pos + 1, var, val); + gpr_asprintf(&buf, "%s.%s(%" PRId64 ")", underscore_pos + 1, var, val); + result = gpr_leftpad(buf, ' ', 40); + gpr_free(buf); return result; } @@ -2007,6 +2059,8 @@ void grpc_chttp2_flowctl_trace(const char *file, int line, const char *phase, uint32_t stream_id, int64_t val1, int64_t val2) { char *scope1; char *scope2; + char *tmp_phase; + char *tmp_scope1; char *label1 = format_flowctl_context_var(context1, var1, val1, stream_id, &scope1); char *label2 = @@ -2014,14 +2068,18 @@ void grpc_chttp2_flowctl_trace(const char *file, int line, const char *phase, char *clisvr = is_client ? "client" : "server"; char *prefix; - gpr_asprintf(&prefix, "FLOW % 8s: %s % 11s ", phase, clisvr, scope1); + tmp_phase = gpr_leftpad(phase, ' ', 8); + tmp_scope1 = gpr_leftpad(scope1, ' ', 11); + gpr_asprintf(&prefix, "FLOW %s: %s %s ", phase, clisvr, scope1); + gpr_free(tmp_phase); + gpr_free(tmp_scope1); switch (op) { case GRPC_CHTTP2_FLOWCTL_MOVE: GPR_ASSERT(samestr(scope1, scope2)); if (val2 != 0) { gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, - "%sMOVE % 40s <- % 40s giving %d", prefix, label1, label2, + "%sMOVE %s <- %s giving %" PRId64, prefix, label1, label2, val1 + val2); } break; @@ -2029,7 +2087,7 @@ void grpc_chttp2_flowctl_trace(const char *file, int line, const char *phase, GPR_ASSERT(val2 >= 0); if (val2 != 0) { gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, - "%sCREDIT % 40s by % 40s giving %d", prefix, label1, label2, + "%sCREDIT %s by %s giving %" PRId64, prefix, label1, label2, val1 + val2); } break; @@ -2037,7 +2095,7 @@ void grpc_chttp2_flowctl_trace(const char *file, int line, const char *phase, GPR_ASSERT(val2 >= 0); if (val2 != 0) { gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, - "%sDEBIT % 40s by % 40s giving %d", prefix, label1, label2, + "%sDEBIT %s by %s giving %" PRId64, prefix, label1, label2, val1 - val2); } break; diff --git a/src/core/ext/transport/chttp2/transport/internal.h b/src/core/ext/transport/chttp2/transport/internal.h index 5872fd8e0a..7f3339a620 100644 --- a/src/core/ext/transport/chttp2/transport/internal.h +++ b/src/core/ext/transport/chttp2/transport/internal.h @@ -383,6 +383,9 @@ struct grpc_chttp2_transport { /** Transport op to be applied post-parsing */ grpc_transport_op *post_parsing_op; + + /** Message explaining the reason of dropping connection */ + gpr_slice optional_drop_message; }; typedef struct { diff --git a/src/core/ext/transport/chttp2/transport/parsing.c b/src/core/ext/transport/chttp2/transport/parsing.c index 4bd374b7fa..3c74258352 100644 --- a/src/core/ext/transport/chttp2/transport/parsing.c +++ b/src/core/ext/transport/chttp2/transport/parsing.c @@ -534,14 +534,14 @@ static grpc_chttp2_parse_error update_incoming_window( grpc_chttp2_stream_parsing *stream_parsing) { uint32_t incoming_frame_size = transport_parsing->incoming_frame_size; if (incoming_frame_size > transport_parsing->incoming_window) { - gpr_log(GPR_ERROR, "frame of size %d overflows incoming window of %d", + gpr_log(GPR_ERROR, "frame of size %d overflows incoming window of %" PRId64, transport_parsing->incoming_frame_size, transport_parsing->incoming_window); return GRPC_CHTTP2_CONNECTION_ERROR; } if (incoming_frame_size > stream_parsing->incoming_window) { - gpr_log(GPR_ERROR, "frame of size %d overflows incoming window of %d", + gpr_log(GPR_ERROR, "frame of size %d overflows incoming window of %" PRId64, transport_parsing->incoming_frame_size, stream_parsing->incoming_window); return GRPC_CHTTP2_CONNECTION_ERROR; @@ -649,7 +649,8 @@ static void on_initial_header(void *tp, grpc_mdelem *md) { if (new_size > metadata_size_limit) { if (!stream_parsing->exceeded_metadata_size) { gpr_log(GPR_DEBUG, - "received initial metadata size exceeds limit (%lu vs. %lu)", + "received initial metadata size exceeds limit (%" PRIuPTR + " vs. %" PRIuPTR ")", new_size, metadata_size_limit); stream_parsing->seen_error = true; stream_parsing->exceeded_metadata_size = true; @@ -695,7 +696,8 @@ static void on_trailing_header(void *tp, grpc_mdelem *md) { if (new_size > metadata_size_limit) { if (!stream_parsing->exceeded_metadata_size) { gpr_log(GPR_DEBUG, - "received trailing metadata size exceeds limit (%lu vs. %lu)", + "received trailing metadata size exceeds limit (%" PRIuPTR + " vs. %" PRIuPTR ")", new_size, metadata_size_limit); stream_parsing->seen_error = true; stream_parsing->exceeded_metadata_size = true; diff --git a/src/core/lib/channel/channel_args.c b/src/core/lib/channel/channel_args.c index 569be4dc28..d53ce904a9 100644 --- a/src/core/lib/channel/channel_args.c +++ b/src/core/lib/channel/channel_args.c @@ -35,6 +35,7 @@ #include <grpc/grpc.h> #include "src/core/lib/support/string.h" +#include <grpc/compression.h> #include <grpc/support/alloc.h> #include <grpc/support/log.h> #include <grpc/support/string_util.h> @@ -181,6 +182,7 @@ grpc_compression_algorithm grpc_channel_args_get_compression_algorithm( grpc_channel_args *grpc_channel_args_set_compression_algorithm( grpc_channel_args *a, grpc_compression_algorithm algorithm) { + GPR_ASSERT(algorithm < GRPC_COMPRESS_ALGORITHMS_COUNT); grpc_arg tmp; tmp.type = GRPC_ARG_INTEGER; tmp.key = GRPC_COMPRESSION_CHANNEL_DEFAULT_ALGORITHM; @@ -200,7 +202,8 @@ static int find_compression_algorithm_states_bitset(const grpc_channel_args *a, !strcmp(GRPC_COMPRESSION_CHANNEL_ENABLED_ALGORITHMS_BITSET, a->args[i].key)) { *states_arg = &a->args[i].value.integer; - return 1; /* GPR_TRUE */ + **states_arg |= 0x1; /* forcefully enable support for no compression */ + return 1; } } } @@ -214,10 +217,18 @@ grpc_channel_args *grpc_channel_args_compression_algorithm_set_state( const int states_arg_found = find_compression_algorithm_states_bitset(*a, &states_arg); - if (states_arg_found) { + if (grpc_channel_args_get_compression_algorithm(*a) == algorithm && + state == 0) { + char *algo_name = NULL; + GPR_ASSERT(grpc_compression_algorithm_name(algorithm, &algo_name) != 0); + gpr_log(GPR_ERROR, + "Tried to disable default compression algorithm '%s'. The " + "operation has been ignored.", + algo_name); + } else if (states_arg_found) { if (state != 0) { GPR_BITSET((unsigned *)states_arg, algorithm); - } else { + } else if (algorithm != GRPC_COMPRESS_NONE) { GPR_BITCLEAR((unsigned *)states_arg, algorithm); } } else { @@ -229,7 +240,7 @@ grpc_channel_args *grpc_channel_args_compression_algorithm_set_state( tmp.value.integer = (1u << GRPC_COMPRESS_ALGORITHMS_COUNT) - 1; if (state != 0) { GPR_BITSET((unsigned *)&tmp.value.integer, algorithm); - } else { + } else if (algorithm != GRPC_COMPRESS_NONE) { GPR_BITCLEAR((unsigned *)&tmp.value.integer, algorithm); } result = grpc_channel_args_copy_and_add(*a, &tmp, 1); @@ -239,11 +250,11 @@ grpc_channel_args *grpc_channel_args_compression_algorithm_set_state( return result; } -int grpc_channel_args_compression_algorithm_get_states( +uint32_t grpc_channel_args_compression_algorithm_get_states( const grpc_channel_args *a) { int *states_arg; if (find_compression_algorithm_states_bitset(a, &states_arg)) { - return *states_arg; + return (uint32_t)*states_arg; } else { return (1u << GRPC_COMPRESS_ALGORITHMS_COUNT) - 1; /* All algs. enabled */ } diff --git a/src/core/lib/channel/channel_args.h b/src/core/lib/channel/channel_args.h index 23c7b7b897..653d04f427 100644 --- a/src/core/lib/channel/channel_args.h +++ b/src/core/lib/channel/channel_args.h @@ -81,7 +81,7 @@ grpc_channel_args *grpc_channel_args_compression_algorithm_set_state( * * The i-th bit of the returned bitset corresponds to the i-th entry in the * grpc_compression_algorithm enum. */ -int grpc_channel_args_compression_algorithm_get_states( +uint32_t grpc_channel_args_compression_algorithm_get_states( const grpc_channel_args *a); int grpc_channel_args_compare(const grpc_channel_args *a, diff --git a/src/core/lib/channel/channel_stack.c b/src/core/lib/channel/channel_stack.c index 5c161652ac..bbba85d80b 100644 --- a/src/core/lib/channel/channel_stack.c +++ b/src/core/lib/channel/channel_stack.c @@ -106,6 +106,7 @@ void grpc_channel_stack_init(grpc_exec_ctx *exec_ctx, int initial_refs, const grpc_channel_filter **filters, size_t filter_count, const grpc_channel_args *channel_args, + grpc_transport *optional_transport, const char *name, grpc_channel_stack *stack) { size_t call_size = ROUND_UP_TO_ALIGNMENT_SIZE(sizeof(grpc_call_stack)) + @@ -127,6 +128,7 @@ void grpc_channel_stack_init(grpc_exec_ctx *exec_ctx, int initial_refs, for (i = 0; i < filter_count; i++) { args.channel_stack = stack; args.channel_args = channel_args; + args.optional_transport = optional_transport; args.is_first = i == 0; args.is_last = i == (filter_count - 1); elems[i].filter = filters[i]; diff --git a/src/core/lib/channel/channel_stack.h b/src/core/lib/channel/channel_stack.h index 3ca643c893..41dd4a0d8a 100644 --- a/src/core/lib/channel/channel_stack.h +++ b/src/core/lib/channel/channel_stack.h @@ -60,6 +60,8 @@ typedef struct grpc_call_stack grpc_call_stack; typedef struct { grpc_channel_stack *channel_stack; const grpc_channel_args *channel_args; + /** Transport, iff it is known */ + grpc_transport *optional_transport; int is_first; int is_last; } grpc_channel_element_args; @@ -198,6 +200,7 @@ void grpc_channel_stack_init(grpc_exec_ctx *exec_ctx, int initial_refs, grpc_iomgr_cb_func destroy, void *destroy_arg, const grpc_channel_filter **filters, size_t filter_count, const grpc_channel_args *args, + grpc_transport *optional_transport, const char *name, grpc_channel_stack *stack); /* Destroy a channel stack */ void grpc_channel_stack_destroy(grpc_exec_ctx *exec_ctx, diff --git a/src/core/lib/channel/channel_stack_builder.c b/src/core/lib/channel/channel_stack_builder.c index a8646c9565..eda4968f48 100644 --- a/src/core/lib/channel/channel_stack_builder.c +++ b/src/core/lib/channel/channel_stack_builder.c @@ -257,8 +257,8 @@ void *grpc_channel_stack_builder_finish(grpc_exec_ctx *exec_ctx, // and initialize it grpc_channel_stack_init(exec_ctx, initial_refs, destroy, destroy_arg == NULL ? result : destroy_arg, filters, - num_filters, builder->args, builder->name, - channel_stack); + num_filters, builder->args, builder->transport, + builder->name, channel_stack); // run post-initialization functions i = 0; diff --git a/src/core/lib/channel/compress_filter.c b/src/core/lib/channel/compress_filter.c index 7c8c1d6f31..32f4f8d37e 100644 --- a/src/core/lib/channel/compress_filter.c +++ b/src/core/lib/channel/compress_filter.c @@ -73,8 +73,8 @@ typedef struct call_data { typedef struct channel_data { /** The default, channel-level, compression algorithm */ grpc_compression_algorithm default_compression_algorithm; - /** Compression options for the channel */ - grpc_compression_options compression_options; + /** Bitset of enabled algorithms */ + uint32_t enabled_algorithms_bitset; /** Supported compression algorithms */ uint32_t supported_compression_algorithms; } channel_data; @@ -96,9 +96,8 @@ static grpc_mdelem *compression_md_filter(void *user_data, grpc_mdelem *md) { md_c_str); calld->compression_algorithm = GRPC_COMPRESS_NONE; } - if (grpc_compression_options_is_algorithm_enabled( - &channeld->compression_options, calld->compression_algorithm) == - 0) { + if (!GPR_BITGET(channeld->enabled_algorithms_bitset, + calld->compression_algorithm)) { gpr_log(GPR_ERROR, "Invalid compression algorithm: '%s' (previously disabled). " "Ignoring.", @@ -178,8 +177,8 @@ static void finish_send_message(grpc_exec_ctx *exec_ctx, const float savings_ratio = 1.0f - (float)after_size / (float)before_size; GPR_ASSERT(grpc_compression_algorithm_name(calld->compression_algorithm, &algo_name)); - gpr_log(GPR_DEBUG, - "Compressed[%s] %d bytes vs. %d bytes (%.2f%% savings)", + gpr_log(GPR_DEBUG, "Compressed[%s] %" PRIuPTR " bytes vs. %" PRIuPTR + " bytes (%.2f%% savings)", algo_name, before_size, after_size, 100 * savings_ratio); } gpr_slice_buffer_swap(&calld->slices, &tmp); @@ -189,10 +188,10 @@ static void finish_send_message(grpc_exec_ctx *exec_ctx, char *algo_name; GPR_ASSERT(grpc_compression_algorithm_name(calld->compression_algorithm, &algo_name)); - gpr_log( - GPR_DEBUG, - "Algorithm '%s' enabled but decided not to compress. Input size: %d", - algo_name, calld->slices.length); + gpr_log(GPR_DEBUG, + "Algorithm '%s' enabled but decided not to compress. Input size: " + "%" PRIuPTR, + algo_name, calld->slices.length); } } @@ -282,32 +281,26 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, grpc_channel_element_args *args) { channel_data *channeld = elem->channel_data; - grpc_compression_algorithm algo_idx; - grpc_compression_options_init(&channeld->compression_options); - channeld->compression_options.enabled_algorithms_bitset = - (uint32_t)grpc_channel_args_compression_algorithm_get_states( - args->channel_args); + channeld->enabled_algorithms_bitset = + grpc_channel_args_compression_algorithm_get_states(args->channel_args); channeld->default_compression_algorithm = grpc_channel_args_get_compression_algorithm(args->channel_args); /* Make sure the default isn't disabled. */ - if (!grpc_compression_options_is_algorithm_enabled( - &channeld->compression_options, - channeld->default_compression_algorithm)) { + if (!GPR_BITGET(channeld->enabled_algorithms_bitset, + channeld->default_compression_algorithm)) { gpr_log(GPR_DEBUG, "compression algorithm %d not enabled: switching to none", channeld->default_compression_algorithm); channeld->default_compression_algorithm = GRPC_COMPRESS_NONE; } - channeld->compression_options.default_compression_algorithm = - channeld->default_compression_algorithm; - channeld->supported_compression_algorithms = 0; - for (algo_idx = 0; algo_idx < GRPC_COMPRESS_ALGORITHMS_COUNT; ++algo_idx) { + channeld->supported_compression_algorithms = 1; /* always support identity */ + for (grpc_compression_algorithm algo_idx = 1; + algo_idx < GRPC_COMPRESS_ALGORITHMS_COUNT; ++algo_idx) { /* skip disabled algorithms */ - if (grpc_compression_options_is_algorithm_enabled( - &channeld->compression_options, algo_idx) == 0) { + if (!GPR_BITGET(channeld->enabled_algorithms_bitset, algo_idx)) { continue; } channeld->supported_compression_algorithms |= 1u << algo_idx; diff --git a/src/core/lib/channel/compress_filter.h b/src/core/lib/channel/compress_filter.h index 0ce5d08837..e4a2a829d5 100644 --- a/src/core/lib/channel/compress_filter.h +++ b/src/core/lib/channel/compress_filter.h @@ -34,9 +34,9 @@ #ifndef GRPC_CORE_LIB_CHANNEL_COMPRESS_FILTER_H #define GRPC_CORE_LIB_CHANNEL_COMPRESS_FILTER_H -#include "src/core/lib/channel/channel_stack.h" +#include <grpc/impl/codegen/compression_types.h> -#define GRPC_COMPRESS_REQUEST_ALGORITHM_KEY "grpc-internal-encoding-request" +#include "src/core/lib/channel/channel_stack.h" extern int grpc_compression_trace; @@ -48,7 +48,7 @@ extern int grpc_compression_trace; * - Channel configuration, as established at channel creation time. * - The metadata accompanying the outgoing data to be compressed. This is * taken as a request only. We may choose not to honor it. The metadata key - * is given by \a GRPC_COMPRESS_REQUEST_ALGORITHM_KEY. + * is given by \a GRPC_COMPRESSION_REQUEST_ALGORITHM_MD_KEY. * * Compression can be disabled for concrete messages (for instance in order to * prevent CRIME/BEAST type attacks) by having the GRPC_WRITE_NO_COMPRESS set in diff --git a/src/core/lib/channel/http_client_filter.c b/src/core/lib/channel/http_client_filter.c index 2245a52599..792f0d8ae6 100644 --- a/src/core/lib/channel/http_client_filter.c +++ b/src/core/lib/channel/http_client_filter.c @@ -38,6 +38,7 @@ #include "src/core/lib/profiling/timers.h" #include "src/core/lib/support/string.h" #include "src/core/lib/transport/static_metadata.h" +#include "src/core/lib/transport/transport_impl.h" #define EXPECTED_CONTENT_TYPE "application/grpc" #define EXPECTED_CONTENT_TYPE_LENGTH sizeof(EXPECTED_CONTENT_TYPE) - 1 @@ -199,7 +200,8 @@ static grpc_mdelem *scheme_from_args(const grpc_channel_args *args) { return GRPC_MDELEM_SCHEME_HTTP; } -static grpc_mdstr *user_agent_from_args(const grpc_channel_args *args) { +static grpc_mdstr *user_agent_from_args(const grpc_channel_args *args, + const char *transport_name) { gpr_strvec v; size_t i; int is_first = 1; @@ -221,8 +223,8 @@ static grpc_mdstr *user_agent_from_args(const grpc_channel_args *args) { } } - gpr_asprintf(&tmp, "%sgrpc-c/%s (%s)", is_first ? "" : " ", - grpc_version_string(), GPR_PLATFORM_STRING); + gpr_asprintf(&tmp, "%sgrpc-c/%s (%s; %s)", is_first ? "" : " ", + grpc_version_string(), GPR_PLATFORM_STRING, transport_name); is_first = 0; gpr_strvec_add(&v, tmp); @@ -253,9 +255,12 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx, grpc_channel_element_args *args) { channel_data *chand = elem->channel_data; GPR_ASSERT(!args->is_last); + GPR_ASSERT(args->optional_transport != NULL); chand->static_scheme = scheme_from_args(args->channel_args); chand->user_agent = grpc_mdelem_from_metadata_strings( - GRPC_MDSTR_USER_AGENT, user_agent_from_args(args->channel_args)); + GRPC_MDSTR_USER_AGENT, + user_agent_from_args(args->channel_args, + args->optional_transport->vtable->name)); } /* Destructor for channel data */ diff --git a/src/core/lib/channel/http_client_filter.h b/src/core/lib/channel/http_client_filter.h index a884b36318..47081175ea 100644 --- a/src/core/lib/channel/http_client_filter.h +++ b/src/core/lib/channel/http_client_filter.h @@ -1,5 +1,4 @@ /* - * * Copyright 2015, Google Inc. * All rights reserved. * @@ -39,6 +38,7 @@ /* Processes metadata on the client side for HTTP2 transports */ extern const grpc_channel_filter grpc_http_client_filter; +/* Channel arg to override the http2 :scheme header */ #define GRPC_ARG_HTTP2_SCHEME "grpc.http2_scheme" #endif /* GRPC_CORE_LIB_CHANNEL_HTTP_CLIENT_FILTER_H */ diff --git a/src/core/lib/compression/compression_algorithm.c b/src/core/lib/compression/compression.c index 820871d579..54efb5e855 100644 --- a/src/core/lib/compression/compression_algorithm.c +++ b/src/core/lib/compression/compression.c @@ -125,6 +125,28 @@ grpc_mdelem *grpc_compression_encoding_mdelem( return NULL; } +void grpc_compression_options_init(grpc_compression_options *opts) { + memset(opts, 0, sizeof(*opts)); + /* all enabled by default */ + opts->enabled_algorithms_bitset = (1u << GRPC_COMPRESS_ALGORITHMS_COUNT) - 1; +} + +void grpc_compression_options_enable_algorithm( + grpc_compression_options *opts, grpc_compression_algorithm algorithm) { + GPR_BITSET(&opts->enabled_algorithms_bitset, algorithm); +} + +void grpc_compression_options_disable_algorithm( + grpc_compression_options *opts, grpc_compression_algorithm algorithm) { + GPR_BITCLEAR(&opts->enabled_algorithms_bitset, algorithm); +} + +int grpc_compression_options_is_algorithm_enabled( + const grpc_compression_options *opts, + grpc_compression_algorithm algorithm) { + return GPR_BITGET(opts->enabled_algorithms_bitset, algorithm); +} + /* TODO(dgq): Add the ability to specify parameters to the individual * compression algorithms */ grpc_compression_algorithm grpc_compression_algorithm_for_level( @@ -180,25 +202,3 @@ grpc_compression_algorithm grpc_compression_algorithm_for_level( abort(); }; } - -void grpc_compression_options_init(grpc_compression_options *opts) { - opts->enabled_algorithms_bitset = (1u << GRPC_COMPRESS_ALGORITHMS_COUNT) - 1; - opts->default_compression_algorithm = GRPC_COMPRESS_NONE; -} - -void grpc_compression_options_enable_algorithm( - grpc_compression_options *opts, grpc_compression_algorithm algorithm) { - GPR_BITSET(&opts->enabled_algorithms_bitset, algorithm); -} - -void grpc_compression_options_disable_algorithm( - grpc_compression_options *opts, grpc_compression_algorithm algorithm) { - GPR_BITCLEAR(&opts->enabled_algorithms_bitset, algorithm); -} - -int grpc_compression_options_is_algorithm_enabled( - const grpc_compression_options *opts, - grpc_compression_algorithm algorithm) { - if (algorithm >= GRPC_COMPRESS_ALGORITHMS_COUNT) return 0; - return GPR_BITGET(opts->enabled_algorithms_bitset, algorithm); -} diff --git a/src/core/lib/iomgr/iomgr.c b/src/core/lib/iomgr/iomgr.c index 60cef8ba77..89292a153e 100644 --- a/src/core/lib/iomgr/iomgr.c +++ b/src/core/lib/iomgr/iomgr.c @@ -96,7 +96,8 @@ void grpc_iomgr_shutdown(void) { gpr_time_sub(gpr_now(GPR_CLOCK_REALTIME), last_warning_time), gpr_time_from_seconds(1, GPR_TIMESPAN)) >= 0) { if (g_root_object.next != &g_root_object) { - gpr_log(GPR_DEBUG, "Waiting for %d iomgr objects to be destroyed", + gpr_log(GPR_DEBUG, + "Waiting for %" PRIuPTR " iomgr objects to be destroyed", count_objects()); } last_warning_time = gpr_now(GPR_CLOCK_REALTIME); @@ -114,9 +115,9 @@ void grpc_iomgr_shutdown(void) { if (gpr_cv_wait(&g_rcv, &g_mu, short_deadline)) { if (gpr_time_cmp(gpr_now(GPR_CLOCK_REALTIME), shutdown_deadline) > 0) { if (g_root_object.next != &g_root_object) { - gpr_log(GPR_DEBUG, - "Failed to free %d iomgr objects before shutdown deadline: " - "memory leaks are likely", + gpr_log(GPR_DEBUG, "Failed to free %" PRIuPTR + " iomgr objects before shutdown deadline: " + "memory leaks are likely", count_objects()); dump_objects("LEAKED"); if (grpc_iomgr_abort_on_leaks()) { diff --git a/src/core/lib/iomgr/socket_utils_common_posix.c b/src/core/lib/iomgr/socket_utils_common_posix.c index fa83ceef30..2147c86d4d 100644 --- a/src/core/lib/iomgr/socket_utils_common_posix.c +++ b/src/core/lib/iomgr/socket_utils_common_posix.c @@ -111,6 +111,16 @@ int grpc_set_socket_ipv6_recvpktinfo_if_possible(int fd) { #endif } +int grpc_set_socket_sndbuf(int fd, int buffer_size_bytes) { + return 0 == setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &buffer_size_bytes, + sizeof(buffer_size_bytes)); +} + +int grpc_set_socket_rcvbuf(int fd, int buffer_size_bytes) { + return 0 == setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &buffer_size_bytes, + sizeof(buffer_size_bytes)); +} + /* set a socket to close on exec */ int grpc_set_socket_cloexec(int fd, int close_on_exec) { int oldflags = fcntl(fd, F_GETFD, 0); diff --git a/src/core/lib/iomgr/socket_utils_posix.h b/src/core/lib/iomgr/socket_utils_posix.h index a8f6e5e658..7e41d1c870 100644 --- a/src/core/lib/iomgr/socket_utils_posix.h +++ b/src/core/lib/iomgr/socket_utils_posix.h @@ -78,6 +78,14 @@ int grpc_set_socket_ip_pktinfo_if_possible(int fd); If IPV6_RECVPKTINFO is not available, returns 1. */ int grpc_set_socket_ipv6_recvpktinfo_if_possible(int fd); +/* Tries to set the socket's send buffer to given size. + Returns 1 on success, 0 on failure. */ +int grpc_set_socket_sndbuf(int fd, int buffer_size_bytes); + +/* Tries to set the socket's receive buffer to given size. + Returns 1 on success, 0 on failure. */ +int grpc_set_socket_rcvbuf(int fd, int buffer_size_bytes); + /* An enum to keep track of IPv4/IPv6 socket modes. Currently, this information is only used when a socket is first created, but diff --git a/src/core/lib/iomgr/udp_server.c b/src/core/lib/iomgr/udp_server.c index 98ffccd59b..16150687d3 100644 --- a/src/core/lib/iomgr/udp_server.c +++ b/src/core/lib/iomgr/udp_server.c @@ -210,6 +210,8 @@ static int prepare_socket(int fd, const struct sockaddr *addr, size_t addr_len) { struct sockaddr_storage sockname_temp; socklen_t sockname_len; + /* Set send/receive socket buffers to 1 MB */ + int buffer_size_bytes = 1024 * 1024; if (fd < 0) { goto error; @@ -239,6 +241,18 @@ static int prepare_socket(int fd, const struct sockaddr *addr, goto error; } + if (!grpc_set_socket_sndbuf(fd, buffer_size_bytes)) { + gpr_log(GPR_ERROR, "Failed to set send buffer size to %d bytes", + buf_size_bytes); + goto error; + } + + if (!grpc_set_socket_rcvbuf(fd, buffer_size_bytes)) { + gpr_log(GPR_ERROR, "Failed to set receive buffer size to %d bytes", + buf_size_bytes); + goto error; + } + return grpc_sockaddr_get_port((struct sockaddr *)&sockname_temp); error: diff --git a/src/core/lib/support/log_linux.c b/src/core/lib/support/log_linux.c index ca04c022e3..508fae4eec 100644 --- a/src/core/lib/support/log_linux.c +++ b/src/core/lib/support/log_linux.c @@ -95,9 +95,9 @@ void gpr_default_log(gpr_log_func_args *args) { strcpy(time_buffer, "error:strftime"); } - gpr_asprintf(&prefix, "%s%s.%09d %7tu %s:%d]", + gpr_asprintf(&prefix, "%s%s.%09" PRId32 " %7ld %s:%d]", gpr_log_severity_string(args->severity), time_buffer, - (int)(now.tv_nsec), gettid(), display_file, args->line); + now.tv_nsec, gettid(), display_file, args->line); fprintf(stderr, "%-60s %s\n", prefix, args->message); gpr_free(prefix); diff --git a/src/core/lib/support/string.c b/src/core/lib/support/string.c index a2ab6c5f1f..30c1e67647 100644 --- a/src/core/lib/support/string.c +++ b/src/core/lib/support/string.c @@ -194,6 +194,16 @@ int int64_ttoa(int64_t value, char *string) { return i; } +char *gpr_leftpad(const char *str, char flag, size_t length) { + const size_t str_length = strlen(str); + const size_t out_length = str_length > length ? str_length : length; + char *out = gpr_malloc(out_length + 1); + memset(out, flag, out_length - str_length); + memcpy(out + out_length - str_length, str, str_length); + out[out_length] = 0; + return out; +} + char *gpr_strjoin(const char **strs, size_t nstrs, size_t *final_length) { return gpr_strjoin_sep(strs, nstrs, "", final_length); } diff --git a/src/core/lib/support/string.h b/src/core/lib/support/string.h index ea58610914..2b6bb3eec6 100644 --- a/src/core/lib/support/string.h +++ b/src/core/lib/support/string.h @@ -83,6 +83,10 @@ int int64_ttoa(int64_t value, char *output); /* Reverse a run of bytes */ void gpr_reverse_bytes(char *str, int len); +/* Pad a string with flag characters. The given length specifies the minimum + field width. The input string is never truncated. */ +char *gpr_leftpad(const char *str, char flag, size_t length); + /* Join a set of strings, returning the resulting string. Total combined length (excluding null terminator) is returned in total_length if it is non-null. */ diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c index e899bc8098..c613f325dc 100644 --- a/src/core/lib/surface/call.c +++ b/src/core/lib/surface/call.c @@ -40,6 +40,7 @@ #include <grpc/grpc.h> #include <grpc/support/alloc.h> #include <grpc/support/log.h> +#include <grpc/support/slice.h> #include <grpc/support/string_util.h> #include <grpc/support/useful.h> @@ -52,7 +53,9 @@ #include "src/core/lib/surface/call.h" #include "src/core/lib/surface/channel.h" #include "src/core/lib/surface/completion_queue.h" +#include "src/core/lib/transport/metadata.h" #include "src/core/lib/transport/static_metadata.h" +#include "src/core/lib/transport/transport.h" /** The maximum number of concurrent batches possible. Based upon the maximum number of individually queueable ops in the batch @@ -154,8 +157,8 @@ struct grpc_call { /* Call stats: only valid after trailing metadata received */ grpc_call_stats stats; - /* Compression algorithm for the call */ - grpc_compression_algorithm compression_algorithm; + /* Compression algorithm for *incoming* data */ + grpc_compression_algorithm incoming_compression_algorithm; /* Supported encodings (compression algorithms), a bitset */ uint32_t encodings_accepted_by_peer; @@ -214,6 +217,9 @@ static void execute_op(grpc_exec_ctx *exec_ctx, grpc_call *call, static grpc_call_error cancel_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, grpc_status_code status, const char *description); +static grpc_call_error close_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, + grpc_status_code status, + const char *description); static void destroy_call(grpc_exec_ctx *exec_ctx, void *call_stack, bool success); static void receiving_slice_ready(grpc_exec_ctx *exec_ctx, void *bctlp, @@ -399,21 +405,27 @@ static void set_status_code(grpc_call *call, status_source source, /* TODO(ctiller): what to do about the flush that was previously here */ } -static void set_compression_algorithm(grpc_call *call, - grpc_compression_algorithm algo) { +static void set_incoming_compression_algorithm( + grpc_call *call, grpc_compression_algorithm algo) { GPR_ASSERT(algo < GRPC_COMPRESS_ALGORITHMS_COUNT); - call->compression_algorithm = algo; + call->incoming_compression_algorithm = algo; } grpc_compression_algorithm grpc_call_test_only_get_compression_algorithm( grpc_call *call) { grpc_compression_algorithm algorithm; gpr_mu_lock(&call->mu); - algorithm = call->compression_algorithm; + algorithm = call->incoming_compression_algorithm; gpr_mu_unlock(&call->mu); return algorithm; } +static grpc_compression_algorithm compression_algorithm_for_level_locked( + grpc_call *call, grpc_compression_level level) { + return grpc_compression_algorithm_for_level(level, + call->encodings_accepted_by_peer); +} + uint32_t grpc_call_test_only_get_message_flags(grpc_call *call) { uint32_t flags; gpr_mu_lock(&call->mu); @@ -539,15 +551,28 @@ static grpc_linked_mdelem *linked_from_md(grpc_metadata *md) { return (grpc_linked_mdelem *)&md->internal_data; } +static grpc_metadata *get_md_elem(grpc_metadata *metadata, + grpc_metadata *additional_metadata, int i, + int count) { + grpc_metadata *res = + i < count ? &metadata[i] : &additional_metadata[i - count]; + GPR_ASSERT(res); + return res; +} + static int prepare_application_metadata(grpc_call *call, int count, grpc_metadata *metadata, int is_trailing, - int prepend_extra_metadata) { + int prepend_extra_metadata, + grpc_metadata *additional_metadata, + int additional_metadata_count) { + int total_count = count + additional_metadata_count; int i; grpc_metadata_batch *batch = &call->metadata_batch[0 /* is_receiving */][is_trailing]; - for (i = 0; i < count; i++) { - grpc_metadata *md = &metadata[i]; + for (i = 0; i < total_count; i++) { + const grpc_metadata *md = + get_md_elem(metadata, additional_metadata, i, count); grpc_linked_mdelem *l = (grpc_linked_mdelem *)&md->internal_data; GPR_ASSERT(sizeof(grpc_linked_mdelem) == sizeof(md->internal_data)); l->md = grpc_mdelem_from_string_and_buffer( @@ -566,9 +591,10 @@ static int prepare_application_metadata(grpc_call *call, int count, break; } } - if (i != count) { + if (i != total_count) { for (int j = 0; j <= i; j++) { - grpc_metadata *md = &metadata[j]; + const grpc_metadata *md = + get_md_elem(metadata, additional_metadata, j, count); grpc_linked_mdelem *l = (grpc_linked_mdelem *)&md->internal_data; GRPC_MDELEM_UNREF(l->md); } @@ -589,24 +615,36 @@ static int prepare_application_metadata(grpc_call *call, int count, } } } - for (i = 1; i < count; i++) { - linked_from_md(&metadata[i])->prev = linked_from_md(&metadata[i - 1]); + for (i = 1; i < total_count; i++) { + grpc_metadata *md = get_md_elem(metadata, additional_metadata, i, count); + grpc_metadata *prev_md = + get_md_elem(metadata, additional_metadata, i - 1, count); + linked_from_md(md)->prev = linked_from_md(prev_md); } - for (i = 0; i < count - 1; i++) { - linked_from_md(&metadata[i])->next = linked_from_md(&metadata[i + 1]); + for (i = 0; i < total_count - 1; i++) { + grpc_metadata *md = get_md_elem(metadata, additional_metadata, i, count); + grpc_metadata *next_md = + get_md_elem(metadata, additional_metadata, i + 1, count); + linked_from_md(md)->next = linked_from_md(next_md); } - switch (prepend_extra_metadata * 2 + (count != 0)) { + + switch (prepend_extra_metadata * 2 + (total_count != 0)) { case 0: /* no prepend, no metadata => nothing to do */ batch->list.head = batch->list.tail = NULL; break; - case 1: + case 1: { /* metadata, but no prepend */ - batch->list.head = linked_from_md(&metadata[0]); - batch->list.tail = linked_from_md(&metadata[count - 1]); + grpc_metadata *first_md = + get_md_elem(metadata, additional_metadata, 0, count); + grpc_metadata *last_md = + get_md_elem(metadata, additional_metadata, total_count - 1, count); + batch->list.head = linked_from_md(first_md); + batch->list.tail = linked_from_md(last_md); batch->list.head->prev = NULL; batch->list.tail->next = NULL; break; + } case 2: /* prepend, but no md */ batch->list.head = &call->send_extra_metadata[0]; @@ -615,17 +653,22 @@ static int prepare_application_metadata(grpc_call *call, int count, batch->list.head->prev = NULL; batch->list.tail->next = NULL; break; - case 3: + case 3: { /* prepend AND md */ + grpc_metadata *first_md = + get_md_elem(metadata, additional_metadata, 0, count); + grpc_metadata *last_md = + get_md_elem(metadata, additional_metadata, total_count - 1, count); batch->list.head = &call->send_extra_metadata[0]; call->send_extra_metadata[call->send_extra_metadata_count - 1].next = - linked_from_md(&metadata[0]); - linked_from_md(&metadata[0])->prev = + linked_from_md(first_md); + linked_from_md(first_md)->prev = &call->send_extra_metadata[call->send_extra_metadata_count - 1]; - batch->list.tail = linked_from_md(&metadata[count - 1]); + batch->list.tail = linked_from_md(last_md); batch->list.head->prev = NULL; batch->list.tail->next = NULL; break; + } default: GPR_UNREACHABLE_CODE(return 0); } @@ -694,48 +737,102 @@ grpc_call_error grpc_call_cancel_with_status(grpc_call *c, return r; } -typedef struct cancel_closure { +typedef struct termination_closure { grpc_closure closure; grpc_call *call; grpc_status_code status; -} cancel_closure; + gpr_slice optional_message; + grpc_closure *op_closure; + enum { TC_CANCEL, TC_CLOSE } type; +} termination_closure; -static void done_cancel(grpc_exec_ctx *exec_ctx, void *ccp, bool success) { - cancel_closure *cc = ccp; - GRPC_CALL_INTERNAL_UNREF(exec_ctx, cc->call, "cancel"); - gpr_free(cc); +static void done_termination(grpc_exec_ctx *exec_ctx, void *tcp, bool success) { + termination_closure *tc = tcp; + if (tc->type == TC_CANCEL) { + GRPC_CALL_INTERNAL_UNREF(exec_ctx, tc->call, "cancel"); + } + if (tc->type == TC_CLOSE) { + GRPC_CALL_INTERNAL_UNREF(exec_ctx, tc->call, "close"); + } + gpr_slice_unref(tc->optional_message); + if (tc->op_closure != NULL) { + grpc_exec_ctx_enqueue(exec_ctx, tc->op_closure, true, NULL); + } + gpr_free(tc); } -static void send_cancel(grpc_exec_ctx *exec_ctx, void *ccp, bool success) { +static void send_cancel(grpc_exec_ctx *exec_ctx, void *tcp, bool success) { grpc_transport_stream_op op; - cancel_closure *cc = ccp; + termination_closure *tc = tcp; memset(&op, 0, sizeof(op)); - op.cancel_with_status = cc->status; + op.cancel_with_status = tc->status; /* reuse closure to catch completion */ - grpc_closure_init(&cc->closure, done_cancel, cc); - op.on_complete = &cc->closure; - execute_op(exec_ctx, cc->call, &op); + grpc_closure_init(&tc->closure, done_termination, tc); + op.on_complete = &tc->closure; + execute_op(exec_ctx, tc->call, &op); +} + +static void send_close(grpc_exec_ctx *exec_ctx, void *tcp, bool success) { + grpc_transport_stream_op op; + termination_closure *tc = tcp; + memset(&op, 0, sizeof(op)); + tc->optional_message = gpr_slice_ref(tc->optional_message); + grpc_transport_stream_op_add_close(&op, tc->status, &tc->optional_message); + /* reuse closure to catch completion */ + grpc_closure_init(&tc->closure, done_termination, tc); + tc->op_closure = op.on_complete; + op.on_complete = &tc->closure; + execute_op(exec_ctx, tc->call, &op); +} + +static grpc_call_error terminate_with_status(grpc_exec_ctx *exec_ctx, + termination_closure *tc) { + grpc_mdstr *details = NULL; + if (GPR_SLICE_LENGTH(tc->optional_message) > 0) { + tc->optional_message = gpr_slice_ref(tc->optional_message); + details = grpc_mdstr_from_slice(tc->optional_message); + } + + set_status_code(tc->call, STATUS_FROM_API_OVERRIDE, (uint32_t)tc->status); + set_status_details(tc->call, STATUS_FROM_API_OVERRIDE, details); + + if (tc->type == TC_CANCEL) { + grpc_closure_init(&tc->closure, send_cancel, tc); + GRPC_CALL_INTERNAL_REF(tc->call, "cancel"); + } else if (tc->type == TC_CLOSE) { + grpc_closure_init(&tc->closure, send_close, tc); + GRPC_CALL_INTERNAL_REF(tc->call, "close"); + } + grpc_exec_ctx_enqueue(exec_ctx, &tc->closure, true, NULL); + return GRPC_CALL_OK; } static grpc_call_error cancel_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, grpc_status_code status, const char *description) { - grpc_mdstr *details = - description ? grpc_mdstr_from_string(description) : NULL; - cancel_closure *cc = gpr_malloc(sizeof(*cc)); - + termination_closure *tc = gpr_malloc(sizeof(*tc)); + memset(tc, 0, sizeof(termination_closure)); + tc->type = TC_CANCEL; + tc->call = c; + tc->optional_message = gpr_slice_from_copied_string(description); GPR_ASSERT(status != GRPC_STATUS_OK); + tc->status = status; - set_status_code(c, STATUS_FROM_API_OVERRIDE, (uint32_t)status); - set_status_details(c, STATUS_FROM_API_OVERRIDE, details); + return terminate_with_status(exec_ctx, tc); +} - grpc_closure_init(&cc->closure, send_cancel, cc); - cc->call = c; - cc->status = status; - GRPC_CALL_INTERNAL_REF(c, "cancel"); - grpc_exec_ctx_enqueue(exec_ctx, &cc->closure, true, NULL); +static grpc_call_error close_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, + grpc_status_code status, + const char *description) { + termination_closure *tc = gpr_malloc(sizeof(*tc)); + memset(tc, 0, sizeof(termination_closure)); + tc->type = TC_CLOSE; + tc->call = c; + tc->optional_message = gpr_slice_from_copied_string(description); + GPR_ASSERT(status != GRPC_STATUS_OK); + tc->status = status; - return GRPC_CALL_OK; + return terminate_with_status(exec_ctx, tc); } static void execute_op(grpc_exec_ctx *exec_ctx, grpc_call *call, @@ -876,9 +973,9 @@ static grpc_mdelem *recv_initial_filter(void *callp, grpc_mdelem *elem) { if (elem == NULL) { return NULL; } else if (elem->key == GRPC_MDSTR_GRPC_ENCODING) { - GPR_TIMER_BEGIN("compression_algorithm", 0); - set_compression_algorithm(call, decode_compression(elem)); - GPR_TIMER_END("compression_algorithm", 0); + GPR_TIMER_BEGIN("incoming_compression_algorithm", 0); + set_incoming_compression_algorithm(call, decode_compression(elem)); + GPR_TIMER_END("incoming_compression_algorithm", 0); return NULL; } else if (elem->key == GRPC_MDSTR_GRPC_ACCEPT_ENCODING) { GPR_TIMER_BEGIN("encodings_accepted_by_peer", 0); @@ -1041,9 +1138,9 @@ static void process_data_after_md(grpc_exec_ctx *exec_ctx, batch_control *bctl, } else { call->test_only_last_message_flags = call->receiving_stream->flags; if ((call->receiving_stream->flags & GRPC_WRITE_INTERNAL_COMPRESS) && - (call->compression_algorithm > GRPC_COMPRESS_NONE)) { + (call->incoming_compression_algorithm > GRPC_COMPRESS_NONE)) { *call->receiving_buffer = grpc_raw_compressed_byte_buffer_create( - NULL, 0, call->compression_algorithm); + NULL, 0, call->incoming_compression_algorithm); } else { *call->receiving_buffer = grpc_raw_byte_buffer_create(NULL, 0); } @@ -1071,6 +1168,56 @@ static void receiving_stream_ready(grpc_exec_ctx *exec_ctx, void *bctlp, } } +static void validate_filtered_metadata(grpc_exec_ctx *exec_ctx, + batch_control *bctl) { + grpc_call *call = bctl->call; + /* validate call->incoming_compression_algorithm */ + if (call->incoming_compression_algorithm != GRPC_COMPRESS_NONE) { + const grpc_compression_algorithm algo = + call->incoming_compression_algorithm; + char *error_msg = NULL; + const grpc_compression_options compression_options = + grpc_channel_compression_options(call->channel); + /* check if algorithm is known */ + if (algo >= GRPC_COMPRESS_ALGORITHMS_COUNT) { + gpr_asprintf(&error_msg, "Invalid compression algorithm value '%d'.", + algo); + gpr_log(GPR_ERROR, "%s", error_msg); + close_with_status(exec_ctx, call, GRPC_STATUS_UNIMPLEMENTED, error_msg); + } else if (grpc_compression_options_is_algorithm_enabled( + &compression_options, algo) == 0) { + /* check if algorithm is supported by current channel config */ + char *algo_name; + grpc_compression_algorithm_name(algo, &algo_name); + gpr_asprintf(&error_msg, "Compression algorithm '%s' is disabled.", + algo_name); + gpr_log(GPR_ERROR, "%s", error_msg); + close_with_status(exec_ctx, call, GRPC_STATUS_UNIMPLEMENTED, error_msg); + } else { + call->incoming_compression_algorithm = algo; + } + gpr_free(error_msg); + } + + /* make sure the received grpc-encoding is amongst the ones listed in + * grpc-accept-encoding */ + GPR_ASSERT(call->encodings_accepted_by_peer != 0); + if (!GPR_BITGET(call->encodings_accepted_by_peer, + call->incoming_compression_algorithm)) { + extern int grpc_compression_trace; + if (grpc_compression_trace) { + char *algo_name; + grpc_compression_algorithm_name(call->incoming_compression_algorithm, + &algo_name); + gpr_log(GPR_ERROR, + "Compression algorithm (grpc-encoding = '%s') not present in " + "the bitset of accepted encodings (grpc-accept-encodings: " + "'0x%x')", + algo_name, call->encodings_accepted_by_peer); + } + } +} + static void receiving_initial_metadata_ready(grpc_exec_ctx *exec_ctx, void *bctlp, bool success) { batch_control *bctl = bctlp; @@ -1085,24 +1232,10 @@ static void receiving_initial_metadata_ready(grpc_exec_ctx *exec_ctx, &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */]; grpc_metadata_batch_filter(md, recv_initial_filter, call); - /* make sure the received grpc-encoding is amongst the ones listed in - * grpc-accept-encoding */ - - GPR_ASSERT(call->encodings_accepted_by_peer != 0); - if (!GPR_BITGET(call->encodings_accepted_by_peer, - call->compression_algorithm)) { - extern int grpc_compression_trace; - if (grpc_compression_trace) { - char *algo_name; - grpc_compression_algorithm_name(call->compression_algorithm, - &algo_name); - gpr_log(GPR_ERROR, - "Compression algorithm (grpc-encoding = '%s') not present in " - "the bitset of accepted encodings (grpc-accept-encodings: " - "'0x%x')", - algo_name, call->encodings_accepted_by_peer); - } - } + GPR_TIMER_BEGIN("validate_filtered_metadata", 0); + validate_filtered_metadata(exec_ctx, bctl); + GPR_TIMER_END("validate_filtered_metadata", 0); + if (gpr_time_cmp(md->deadline, gpr_inf_future(md->deadline.clock_type)) != 0 && !call->is_client) { @@ -1245,7 +1378,40 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; goto done_with_error; } - if (op->data.send_initial_metadata.count > INT_MAX) { + /* process compression level */ + grpc_metadata compression_md; + memset(&compression_md, 0, sizeof(grpc_metadata)); + size_t additional_metadata_count = 0; + grpc_compression_level effective_compression_level; + bool level_set = false; + if (op->data.send_initial_metadata.maybe_compression_level.is_set) { + effective_compression_level = + op->data.send_initial_metadata.maybe_compression_level.level; + level_set = true; + } else { + const grpc_compression_options copts = + grpc_channel_compression_options(call->channel); + level_set = copts.default_level.is_set; + if (level_set) { + effective_compression_level = copts.default_level.level; + } + } + if (level_set && !call->is_client) { + const grpc_compression_algorithm calgo = + compression_algorithm_for_level_locked( + call, effective_compression_level); + char *calgo_name; + grpc_compression_algorithm_name(calgo, &calgo_name); + // the following will be picked up by the compress filter and used as + // the call's compression algorithm. + compression_md.key = GRPC_COMPRESSION_REQUEST_ALGORITHM_MD_KEY; + compression_md.value = calgo_name; + compression_md.value_length = strlen(calgo_name); + additional_metadata_count++; + } + + if (op->data.send_initial_metadata.count + additional_metadata_count > + INT_MAX) { error = GRPC_CALL_ERROR_INVALID_METADATA; goto done_with_error; } @@ -1253,7 +1419,8 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, call->sent_initial_metadata = 1; if (!prepare_application_metadata( call, (int)op->data.send_initial_metadata.count, - op->data.send_initial_metadata.metadata, 0, call->is_client)) { + op->data.send_initial_metadata.metadata, 0, call->is_client, + &compression_md, (int)additional_metadata_count)) { error = GRPC_CALL_ERROR_INVALID_METADATA; goto done_with_error; } @@ -1341,7 +1508,8 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, if (!prepare_application_metadata( call, (int)op->data.send_status_from_server.trailing_metadata_count, - op->data.send_status_from_server.trailing_metadata, 1, 1)) { + op->data.send_status_from_server.trailing_metadata, 1, 1, NULL, + 0)) { error = GRPC_CALL_ERROR_INVALID_METADATA; goto done_with_error; } @@ -1530,9 +1698,10 @@ uint8_t grpc_call_is_client(grpc_call *call) { return call->is_client; } grpc_compression_algorithm grpc_call_compression_for_level( grpc_call *call, grpc_compression_level level) { gpr_mu_lock(&call->mu); - const uint32_t accepted_encodings = call->encodings_accepted_by_peer; + grpc_compression_algorithm algo = + compression_algorithm_for_level_locked(call, level); gpr_mu_unlock(&call->mu); - return grpc_compression_algorithm_for_level(level, accepted_encodings); + return algo; } const char *grpc_call_error_to_string(grpc_call_error error) { diff --git a/src/core/lib/surface/call_log_batch.c b/src/core/lib/surface/call_log_batch.c index a6d1d5149f..31c074f15d 100644 --- a/src/core/lib/surface/call_log_batch.c +++ b/src/core/lib/surface/call_log_batch.c @@ -112,7 +112,7 @@ void grpc_call_log_batch(char *file, int line, gpr_log_severity severity, size_t i; for (i = 0; i < nops; i++) { tmp = grpc_op_string(&ops[i]); - gpr_log(file, line, severity, "ops[%d]: %s", i, tmp); + gpr_log(file, line, severity, "ops[%" PRIuPTR "]: %s", i, tmp); gpr_free(tmp); } } diff --git a/src/core/lib/surface/channel.c b/src/core/lib/surface/channel.c index a7ea6fa1f0..f0b3c2e15d 100644 --- a/src/core/lib/surface/channel.c +++ b/src/core/lib/surface/channel.c @@ -36,16 +36,17 @@ #include <stdlib.h> #include <string.h> +#include <grpc/compression.h> #include <grpc/support/alloc.h> #include <grpc/support/log.h> #include <grpc/support/string_util.h> +#include "src/core/lib/channel/channel_args.h" #include "src/core/lib/iomgr/iomgr.h" #include "src/core/lib/support/string.h" #include "src/core/lib/surface/api_trace.h" #include "src/core/lib/surface/call.h" #include "src/core/lib/surface/channel_init.h" -#include "src/core/lib/surface/init.h" #include "src/core/lib/transport/static_metadata.h" /** Cache grpc-status: X mdelems for X = 0..NUM_CACHED_STATUS_ELEMS. @@ -64,10 +65,12 @@ typedef struct registered_call { struct grpc_channel { int is_client; uint32_t max_message_length; + grpc_compression_options compression_options; grpc_mdelem *default_authority; gpr_mu registered_call_mu; registered_call *registered_calls; + char *target; }; @@ -111,6 +114,7 @@ grpc_channel *grpc_channel_create(grpc_exec_ctx *exec_ctx, const char *target, channel->registered_calls = NULL; channel->max_message_length = DEFAULT_MAX_MESSAGE_LENGTH; + grpc_compression_options_init(&channel->compression_options); if (args) { for (size_t i = 0; i < args->num_args; i++) { if (0 == strcmp(args->args[i].key, GRPC_ARG_MAX_MESSAGE_LENGTH)) { @@ -151,6 +155,27 @@ grpc_channel *grpc_channel_create(grpc_exec_ctx *exec_ctx, const char *target, ":authority", args->args[i].value.string); } } + } 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; + } 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; + } else if (0 == + strcmp(args->args[i].key, + GRPC_COMPRESSION_CHANNEL_ENABLED_ALGORITHMS_BITSET)) { + channel->compression_options.enabled_algorithms_bitset = + (uint32_t)args->args[i].value.integer | + 0x1; /* always support no compression */ } } grpc_channel_args_destroy(args); @@ -324,6 +349,11 @@ grpc_channel_stack *grpc_channel_get_channel_stack(grpc_channel *channel) { return CHANNEL_STACK_FROM_CHANNEL(channel); } +grpc_compression_options grpc_channel_compression_options( + const grpc_channel *channel) { + return channel->compression_options; +} + grpc_mdelem *grpc_channel_get_reffed_status_elem(grpc_channel *channel, int i) { char tmp[GPR_LTOA_MIN_BUFSIZE]; switch (i) { diff --git a/src/core/lib/surface/channel.h b/src/core/lib/surface/channel.h index ff3debc31f..7eff7b8883 100644 --- a/src/core/lib/surface/channel.h +++ b/src/core/lib/surface/channel.h @@ -76,4 +76,8 @@ void grpc_channel_internal_unref(grpc_exec_ctx *exec_ctx, grpc_channel_internal_unref(exec_ctx, channel) #endif +/** Return the channel's compression options. */ +grpc_compression_options grpc_channel_compression_options( + const grpc_channel *channel); + #endif /* GRPC_CORE_LIB_SURFACE_CHANNEL_H */ diff --git a/src/core/lib/transport/metadata.c b/src/core/lib/transport/metadata.c index 79de54beb5..0677f29766 100644 --- a/src/core/lib/transport/metadata.c +++ b/src/core/lib/transport/metadata.c @@ -235,7 +235,7 @@ void grpc_mdctx_global_shutdown(void) { gc_mdtab(shard); /* TODO(ctiller): GPR_ASSERT(shard->count == 0); */ if (shard->count != 0) { - gpr_log(GPR_DEBUG, "WARNING: %d metadata elements were leaked", + gpr_log(GPR_DEBUG, "WARNING: %" PRIuPTR " metadata elements were leaked", shard->count); if (grpc_iomgr_abort_on_leaks()) { abort(); @@ -248,7 +248,7 @@ void grpc_mdctx_global_shutdown(void) { gpr_mu_destroy(&shard->mu); /* TODO(ctiller): GPR_ASSERT(shard->count == 0); */ if (shard->count != 0) { - gpr_log(GPR_DEBUG, "WARNING: %d metadata strings were leaked", + gpr_log(GPR_DEBUG, "WARNING: %" PRIuPTR " metadata strings were leaked", shard->count); for (size_t j = 0; j < shard->capacity; j++) { for (internal_string *s = shard->strs[j]; s; s = s->bucket_next) { |