Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 6169d5f | 2016-03-31 07:46:18 -0700 | [diff] [blame] | 3 | * Copyright 2015, Google Inc. |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 34 | #include "src/core/lib/surface/channel.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 35 | |
| 36 | #include <stdlib.h> |
| 37 | #include <string.h> |
| 38 | |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 39 | #include <grpc/compression.h> |
Craig Tiller | 1b22b9d | 2015-07-20 13:42:22 -0700 | [diff] [blame] | 40 | #include <grpc/support/alloc.h> |
| 41 | #include <grpc/support/log.h> |
| 42 | #include <grpc/support/string_util.h> |
| 43 | |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 44 | #include "src/core/lib/channel/channel_args.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 45 | #include "src/core/lib/iomgr/iomgr.h" |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 46 | #include "src/core/lib/slice/slice_internal.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 47 | #include "src/core/lib/support/string.h" |
| 48 | #include "src/core/lib/surface/api_trace.h" |
| 49 | #include "src/core/lib/surface/call.h" |
| 50 | #include "src/core/lib/surface/channel_init.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 51 | #include "src/core/lib/transport/static_metadata.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 52 | |
Craig Tiller | 5d5bd22 | 2015-06-08 17:01:49 -0700 | [diff] [blame] | 53 | /** Cache grpc-status: X mdelems for X = 0..NUM_CACHED_STATUS_ELEMS. |
| 54 | * Avoids needing to take a metadata context lock for sending status |
| 55 | * if the status code is <= NUM_CACHED_STATUS_ELEMS. |
| 56 | * Sized to allow the most commonly used codes to fit in |
| 57 | * (OK, Cancelled, Unknown). */ |
Craig Tiller | 3fc8e82 | 2015-06-08 16:31:28 -0700 | [diff] [blame] | 58 | #define NUM_CACHED_STATUS_ELEMS 3 |
| 59 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 60 | typedef struct registered_call { |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 61 | grpc_mdelem path; |
| 62 | grpc_mdelem authority; |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 63 | struct registered_call *next; |
| 64 | } registered_call; |
| 65 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 66 | struct grpc_channel { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 67 | int is_client; |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 68 | grpc_compression_options compression_options; |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 69 | grpc_mdelem default_authority; |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 70 | |
| 71 | gpr_mu registered_call_mu; |
| 72 | registered_call *registered_calls; |
David Garcia Quintas | b0dd253 | 2016-05-17 19:14:51 -0700 | [diff] [blame] | 73 | |
Craig Tiller | 1b22b9d | 2015-07-20 13:42:22 -0700 | [diff] [blame] | 74 | char *target; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 75 | }; |
| 76 | |
Craig Tiller | 6902ad2 | 2015-04-16 08:01:49 -0700 | [diff] [blame] | 77 | #define CHANNEL_STACK_FROM_CHANNEL(c) ((grpc_channel_stack *)((c) + 1)) |
Craig Tiller | b20111c | 2015-04-10 23:27:11 +0000 | [diff] [blame] | 78 | #define CHANNEL_FROM_CHANNEL_STACK(channel_stack) \ |
| 79 | (((grpc_channel *)(channel_stack)) - 1) |
Craig Tiller | da66937 | 2015-02-05 10:10:15 -0800 | [diff] [blame] | 80 | #define CHANNEL_FROM_TOP_ELEM(top_elem) \ |
| 81 | CHANNEL_FROM_CHANNEL_STACK(grpc_channel_stack_from_top_element(top_elem)) |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 82 | |
Craig Tiller | f51457b | 2016-05-03 17:06:32 -0700 | [diff] [blame] | 83 | static void destroy_channel(grpc_exec_ctx *exec_ctx, void *arg, |
| 84 | grpc_error *error); |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 85 | |
Craig Tiller | 178edfa | 2016-02-17 20:54:46 -0800 | [diff] [blame] | 86 | grpc_channel *grpc_channel_create(grpc_exec_ctx *exec_ctx, const char *target, |
Craig Tiller | 839bebe | 2016-04-06 08:07:11 -0700 | [diff] [blame] | 87 | const grpc_channel_args *input_args, |
Craig Tiller | 178edfa | 2016-02-17 20:54:46 -0800 | [diff] [blame] | 88 | grpc_channel_stack_type channel_stack_type, |
| 89 | grpc_transport *optional_transport) { |
Craig Tiller | 839bebe | 2016-04-06 08:07:11 -0700 | [diff] [blame] | 90 | grpc_channel_stack_builder *builder = grpc_channel_stack_builder_create(); |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 91 | grpc_channel_stack_builder_set_channel_arguments(exec_ctx, builder, |
| 92 | input_args); |
Craig Tiller | 839bebe | 2016-04-06 08:07:11 -0700 | [diff] [blame] | 93 | grpc_channel_stack_builder_set_target(builder, target); |
| 94 | grpc_channel_stack_builder_set_transport(builder, optional_transport); |
Craig Tiller | 839bebe | 2016-04-06 08:07:11 -0700 | [diff] [blame] | 95 | if (!grpc_channel_init_create_stack(exec_ctx, builder, channel_stack_type)) { |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 96 | grpc_channel_stack_builder_destroy(exec_ctx, builder); |
Craig Tiller | 839bebe | 2016-04-06 08:07:11 -0700 | [diff] [blame] | 97 | return NULL; |
Mark D. Roth | 5e2566e | 2016-11-18 10:53:13 -0800 | [diff] [blame] | 98 | } |
Mark D. Roth | e62605f | 2016-11-29 16:31:36 +0000 | [diff] [blame] | 99 | grpc_channel_args *args = grpc_channel_args_copy( |
Mark D. Roth | 5e2566e | 2016-11-18 10:53:13 -0800 | [diff] [blame] | 100 | grpc_channel_stack_builder_get_channel_arguments(builder)); |
Mark D. Roth | e62605f | 2016-11-29 16:31:36 +0000 | [diff] [blame] | 101 | grpc_channel *channel; |
Mark D. Roth | c108788 | 2016-11-18 10:54:45 -0800 | [diff] [blame] | 102 | grpc_error *error = grpc_channel_stack_builder_finish( |
Mark D. Roth | 5e2566e | 2016-11-18 10:53:13 -0800 | [diff] [blame] | 103 | exec_ctx, builder, sizeof(grpc_channel), 1, destroy_channel, NULL, |
Mark D. Roth | c108788 | 2016-11-18 10:54:45 -0800 | [diff] [blame] | 104 | (void **)&channel); |
Mark D. Roth | 5e2566e | 2016-11-18 10:53:13 -0800 | [diff] [blame] | 105 | if (error != GRPC_ERROR_NONE) { |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 106 | gpr_log(GPR_ERROR, "channel stack builder failed: %s", |
| 107 | grpc_error_string(error)); |
Mark D. Roth | e62605f | 2016-11-29 16:31:36 +0000 | [diff] [blame] | 108 | GRPC_ERROR_UNREF(error); |
| 109 | goto done; |
Craig Tiller | 839bebe | 2016-04-06 08:07:11 -0700 | [diff] [blame] | 110 | } |
Craig Tiller | 178edfa | 2016-02-17 20:54:46 -0800 | [diff] [blame] | 111 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 112 | memset(channel, 0, sizeof(*channel)); |
| 113 | channel->target = gpr_strdup(target); |
Mark D. Roth | e62605f | 2016-11-29 16:31:36 +0000 | [diff] [blame] | 114 | channel->is_client = grpc_channel_stack_type_is_client(channel_stack_type); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 115 | gpr_mu_init(&channel->registered_call_mu); |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 116 | channel->registered_calls = NULL; |
Craig Tiller | 629b0ed | 2015-04-22 11:14:26 -0700 | [diff] [blame] | 117 | |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 118 | grpc_compression_options_init(&channel->compression_options); |
Mark D. Roth | e62605f | 2016-11-29 16:31:36 +0000 | [diff] [blame] | 119 | for (size_t i = 0; i < args->num_args; i++) { |
| 120 | if (0 == strcmp(args->args[i].key, GRPC_ARG_DEFAULT_AUTHORITY)) { |
| 121 | if (args->args[i].type != GRPC_ARG_STRING) { |
| 122 | gpr_log(GPR_ERROR, "%s ignored: it must be a string", |
| 123 | GRPC_ARG_DEFAULT_AUTHORITY); |
| 124 | } else { |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 125 | if (!GRPC_MDISNULL(channel->default_authority)) { |
Mark D. Roth | e62605f | 2016-11-29 16:31:36 +0000 | [diff] [blame] | 126 | /* setting this takes precedence over anything else */ |
Craig Tiller | 4cc1c35 | 2016-12-27 08:48:01 -0800 | [diff] [blame] | 127 | GRPC_MDELEM_UNREF(exec_ctx, channel->default_authority); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 128 | } |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 129 | channel->default_authority = grpc_mdelem_from_slices( |
| 130 | exec_ctx, GRPC_MDSTR_AUTHORITY, |
Craig Tiller | 5f4264f | 2017-02-08 14:53:04 -0800 | [diff] [blame] | 131 | grpc_slice_intern( |
| 132 | grpc_slice_from_static_string(args->args[i].value.string))); |
Mark D. Roth | e62605f | 2016-11-29 16:31:36 +0000 | [diff] [blame] | 133 | } |
| 134 | } else if (0 == |
| 135 | strcmp(args->args[i].key, GRPC_SSL_TARGET_NAME_OVERRIDE_ARG)) { |
| 136 | if (args->args[i].type != GRPC_ARG_STRING) { |
| 137 | gpr_log(GPR_ERROR, "%s ignored: it must be a string", |
| 138 | GRPC_SSL_TARGET_NAME_OVERRIDE_ARG); |
| 139 | } else { |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 140 | if (!GRPC_MDISNULL(channel->default_authority)) { |
Mark D. Roth | e62605f | 2016-11-29 16:31:36 +0000 | [diff] [blame] | 141 | /* other ways of setting this (notably ssl) take precedence */ |
| 142 | gpr_log(GPR_ERROR, |
| 143 | "%s ignored: default host already set some other way", |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 144 | GRPC_SSL_TARGET_NAME_OVERRIDE_ARG); |
| 145 | } else { |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 146 | channel->default_authority = grpc_mdelem_from_slices( |
| 147 | exec_ctx, GRPC_MDSTR_AUTHORITY, |
Craig Tiller | 5f4264f | 2017-02-08 14:53:04 -0800 | [diff] [blame] | 148 | grpc_slice_intern( |
| 149 | grpc_slice_from_static_string(args->args[i].value.string))); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 150 | } |
| 151 | } |
Mark D. Roth | e62605f | 2016-11-29 16:31:36 +0000 | [diff] [blame] | 152 | } else if (0 == strcmp(args->args[i].key, |
| 153 | GRPC_COMPRESSION_CHANNEL_DEFAULT_LEVEL)) { |
| 154 | channel->compression_options.default_level.is_set = true; |
| 155 | GPR_ASSERT(args->args[i].value.integer >= 0 && |
| 156 | args->args[i].value.integer < GRPC_COMPRESS_LEVEL_COUNT); |
| 157 | channel->compression_options.default_level.level = |
| 158 | (grpc_compression_level)args->args[i].value.integer; |
| 159 | } else if (0 == strcmp(args->args[i].key, |
| 160 | GRPC_COMPRESSION_CHANNEL_DEFAULT_ALGORITHM)) { |
| 161 | channel->compression_options.default_algorithm.is_set = true; |
| 162 | GPR_ASSERT(args->args[i].value.integer >= 0 && |
Mark D. Roth | 977f5d4 | 2016-11-30 14:03:58 -0800 | [diff] [blame] | 163 | args->args[i].value.integer < GRPC_COMPRESS_ALGORITHMS_COUNT); |
Mark D. Roth | e62605f | 2016-11-29 16:31:36 +0000 | [diff] [blame] | 164 | channel->compression_options.default_algorithm.algorithm = |
| 165 | (grpc_compression_algorithm)args->args[i].value.integer; |
| 166 | } else if (0 == |
| 167 | strcmp(args->args[i].key, |
| 168 | GRPC_COMPRESSION_CHANNEL_ENABLED_ALGORITHMS_BITSET)) { |
| 169 | channel->compression_options.enabled_algorithms_bitset = |
| 170 | (uint32_t)args->args[i].value.integer | |
| 171 | 0x1; /* always support no compression */ |
Craig Tiller | 629b0ed | 2015-04-22 11:14:26 -0700 | [diff] [blame] | 172 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 173 | } |
Craig Tiller | 629b0ed | 2015-04-22 11:14:26 -0700 | [diff] [blame] | 174 | |
Mark D. Roth | e62605f | 2016-11-29 16:31:36 +0000 | [diff] [blame] | 175 | done: |
Craig Tiller | 4cc1c35 | 2016-12-27 08:48:01 -0800 | [diff] [blame] | 176 | grpc_channel_args_destroy(exec_ctx, args); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 177 | return channel; |
| 178 | } |
| 179 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 180 | char *grpc_channel_get_target(grpc_channel *channel) { |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 181 | GRPC_API_TRACE("grpc_channel_get_target(channel=%p)", 1, (channel)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 182 | return gpr_strdup(channel->target); |
Craig Tiller | 1b22b9d | 2015-07-20 13:42:22 -0700 | [diff] [blame] | 183 | } |
| 184 | |
Mark D. Roth | b2d2488 | 2016-10-27 15:44:07 -0700 | [diff] [blame] | 185 | void grpc_channel_get_info(grpc_channel *channel, |
Mark D. Roth | f79ce7d | 2016-11-04 08:43:36 -0700 | [diff] [blame] | 186 | const grpc_channel_info *channel_info) { |
Mark D. Roth | b2d2488 | 2016-10-27 15:44:07 -0700 | [diff] [blame] | 187 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| 188 | grpc_channel_element *elem = |
| 189 | grpc_channel_stack_element(CHANNEL_STACK_FROM_CHANNEL(channel), 0); |
| 190 | elem->filter->get_channel_info(&exec_ctx, elem, channel_info); |
| 191 | grpc_exec_ctx_finish(&exec_ctx); |
| 192 | } |
| 193 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 194 | static grpc_call *grpc_channel_create_call_internal( |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 195 | grpc_exec_ctx *exec_ctx, grpc_channel *channel, grpc_call *parent_call, |
| 196 | uint32_t propagation_mask, grpc_completion_queue *cq, |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 197 | grpc_pollset_set *pollset_set_alternative, grpc_mdelem path_mdelem, |
| 198 | grpc_mdelem authority_mdelem, gpr_timespec deadline) { |
| 199 | grpc_mdelem send_metadata[2]; |
Craig Tiller | 32ca48c | 2015-09-10 11:47:15 -0700 | [diff] [blame] | 200 | size_t num_metadata = 0; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 201 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 202 | GPR_ASSERT(channel->is_client); |
David Garcia Quintas | 879b3b9 | 2016-04-25 11:23:38 -0700 | [diff] [blame] | 203 | GPR_ASSERT(!(cq != NULL && pollset_set_alternative != NULL)); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 204 | |
Craig Tiller | c4b56b6 | 2015-07-23 17:44:11 -0700 | [diff] [blame] | 205 | send_metadata[num_metadata++] = path_mdelem; |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 206 | if (!GRPC_MDISNULL(authority_mdelem)) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 207 | send_metadata[num_metadata++] = authority_mdelem; |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 208 | } else if (!GRPC_MDISNULL(channel->default_authority)) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 209 | send_metadata[num_metadata++] = GRPC_MDELEM_REF(channel->default_authority); |
| 210 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 211 | |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 212 | grpc_call_create_args args; |
| 213 | memset(&args, 0, sizeof(args)); |
| 214 | args.channel = channel; |
| 215 | args.parent_call = parent_call; |
| 216 | args.propagation_mask = propagation_mask; |
| 217 | args.cq = cq; |
| 218 | args.pollset_set_alternative = pollset_set_alternative; |
| 219 | args.server_transport_data = NULL; |
| 220 | args.add_initial_metadata = send_metadata; |
| 221 | args.add_initial_metadata_count = num_metadata; |
| 222 | args.send_deadline = deadline; |
| 223 | |
| 224 | grpc_call *call; |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 225 | GRPC_LOG_IF_ERROR("call_create", grpc_call_create(exec_ctx, &args, &call)); |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 226 | return call; |
Craig Tiller | 6902ad2 | 2015-04-16 08:01:49 -0700 | [diff] [blame] | 227 | } |
klempner | c463f74 | 2014-12-19 13:03:35 -0800 | [diff] [blame] | 228 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 229 | grpc_call *grpc_channel_create_call(grpc_channel *channel, |
| 230 | grpc_call *parent_call, |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 231 | uint32_t propagation_mask, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 232 | grpc_completion_queue *cq, |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 233 | grpc_slice method, const grpc_slice *host, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 234 | gpr_timespec deadline, void *reserved) { |
| 235 | GPR_ASSERT(!reserved); |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 236 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| 237 | grpc_call *call = grpc_channel_create_call_internal( |
| 238 | &exec_ctx, channel, parent_call, propagation_mask, cq, NULL, |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 239 | grpc_mdelem_from_slices(&exec_ctx, GRPC_MDSTR_PATH, |
| 240 | grpc_slice_ref_internal(method)), |
| 241 | host != NULL ? grpc_mdelem_from_slices(&exec_ctx, GRPC_MDSTR_AUTHORITY, |
| 242 | grpc_slice_ref_internal(*host)) |
| 243 | : GRPC_MDNULL, |
David Garcia Quintas | 4afce7e | 2016-04-18 16:25:17 -0700 | [diff] [blame] | 244 | deadline); |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 245 | grpc_exec_ctx_finish(&exec_ctx); |
| 246 | return call; |
David Garcia Quintas | 4afce7e | 2016-04-18 16:25:17 -0700 | [diff] [blame] | 247 | } |
| 248 | |
| 249 | grpc_call *grpc_channel_create_pollset_set_call( |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 250 | grpc_exec_ctx *exec_ctx, grpc_channel *channel, grpc_call *parent_call, |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 251 | uint32_t propagation_mask, grpc_pollset_set *pollset_set, grpc_slice method, |
| 252 | const grpc_slice *host, gpr_timespec deadline, void *reserved) { |
David Garcia Quintas | 4afce7e | 2016-04-18 16:25:17 -0700 | [diff] [blame] | 253 | GPR_ASSERT(!reserved); |
| 254 | return grpc_channel_create_call_internal( |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 255 | exec_ctx, channel, parent_call, propagation_mask, NULL, pollset_set, |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 256 | grpc_mdelem_from_slices(exec_ctx, GRPC_MDSTR_PATH, |
| 257 | grpc_slice_ref_internal(method)), |
| 258 | host != NULL ? grpc_mdelem_from_slices(exec_ctx, GRPC_MDSTR_AUTHORITY, |
| 259 | grpc_slice_ref_internal(*host)) |
| 260 | : GRPC_MDNULL, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 261 | deadline); |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 262 | } |
| 263 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 264 | void *grpc_channel_register_call(grpc_channel *channel, const char *method, |
| 265 | const char *host, void *reserved) { |
| 266 | registered_call *rc = gpr_malloc(sizeof(registered_call)); |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 267 | GRPC_API_TRACE( |
| 268 | "grpc_channel_register_call(channel=%p, method=%s, host=%s, reserved=%p)", |
| 269 | 4, (channel, method, host, reserved)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 270 | GPR_ASSERT(!reserved); |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 271 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 272 | |
| 273 | rc->path = grpc_mdelem_from_slices( |
| 274 | &exec_ctx, GRPC_MDSTR_PATH, |
| 275 | grpc_slice_intern(grpc_slice_from_static_string(method))); |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 276 | rc->authority = |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 277 | host ? grpc_mdelem_from_slices( |
| 278 | &exec_ctx, GRPC_MDSTR_AUTHORITY, |
| 279 | grpc_slice_intern(grpc_slice_from_static_string(host))) |
| 280 | : GRPC_MDNULL; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 281 | gpr_mu_lock(&channel->registered_call_mu); |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 282 | rc->next = channel->registered_calls; |
| 283 | channel->registered_calls = rc; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 284 | gpr_mu_unlock(&channel->registered_call_mu); |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 285 | grpc_exec_ctx_finish(&exec_ctx); |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 286 | return rc; |
| 287 | } |
| 288 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 289 | grpc_call *grpc_channel_create_registered_call( |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 290 | grpc_channel *channel, grpc_call *parent_call, uint32_t propagation_mask, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 291 | grpc_completion_queue *completion_queue, void *registered_call_handle, |
| 292 | gpr_timespec deadline, void *reserved) { |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 293 | registered_call *rc = registered_call_handle; |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 294 | GRPC_API_TRACE( |
| 295 | "grpc_channel_create_registered_call(" |
Craig Tiller | 4de3e4f | 2015-10-05 08:55:50 -0700 | [diff] [blame] | 296 | "channel=%p, parent_call=%p, propagation_mask=%x, completion_queue=%p, " |
| 297 | "registered_call_handle=%p, " |
Ken Payson | 62a6c92 | 2016-06-24 11:53:54 -0700 | [diff] [blame] | 298 | "deadline=gpr_timespec { tv_sec: %" PRId64 |
| 299 | ", tv_nsec: %d, clock_type: %d }, " |
Craig Tiller | 4de3e4f | 2015-10-05 08:55:50 -0700 | [diff] [blame] | 300 | "reserved=%p)", |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 301 | 9, (channel, parent_call, (unsigned)propagation_mask, completion_queue, |
Ken Payson | 62a6c92 | 2016-06-24 11:53:54 -0700 | [diff] [blame] | 302 | registered_call_handle, deadline.tv_sec, deadline.tv_nsec, |
| 303 | (int)deadline.clock_type, reserved)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 304 | GPR_ASSERT(!reserved); |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 305 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| 306 | grpc_call *call = grpc_channel_create_call_internal( |
| 307 | &exec_ctx, channel, parent_call, propagation_mask, completion_queue, NULL, |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 308 | GRPC_MDELEM_REF(rc->path), GRPC_MDELEM_REF(rc->authority), deadline); |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 309 | grpc_exec_ctx_finish(&exec_ctx); |
| 310 | return call; |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 311 | } |
| 312 | |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 313 | #ifdef GRPC_STREAM_REFCOUNT_DEBUG |
| 314 | #define REF_REASON reason |
| 315 | #define REF_ARG , const char *reason |
Craig Tiller | 9ec2a52 | 2015-05-29 22:46:54 -0700 | [diff] [blame] | 316 | #else |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 317 | #define REF_REASON "" |
| 318 | #define REF_ARG |
Craig Tiller | 9ec2a52 | 2015-05-29 22:46:54 -0700 | [diff] [blame] | 319 | #endif |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 320 | void grpc_channel_internal_ref(grpc_channel *c REF_ARG) { |
| 321 | GRPC_CHANNEL_STACK_REF(CHANNEL_STACK_FROM_CHANNEL(c), REF_REASON); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 322 | } |
| 323 | |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 324 | void grpc_channel_internal_unref(grpc_exec_ctx *exec_ctx, |
| 325 | grpc_channel *c REF_ARG) { |
| 326 | GRPC_CHANNEL_STACK_UNREF(exec_ctx, CHANNEL_STACK_FROM_CHANNEL(c), REF_REASON); |
| 327 | } |
| 328 | |
| 329 | static void destroy_channel(grpc_exec_ctx *exec_ctx, void *arg, |
Craig Tiller | f51457b | 2016-05-03 17:06:32 -0700 | [diff] [blame] | 330 | grpc_error *error) { |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 331 | grpc_channel *channel = arg; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 332 | grpc_channel_stack_destroy(exec_ctx, CHANNEL_STACK_FROM_CHANNEL(channel)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 333 | while (channel->registered_calls) { |
| 334 | registered_call *rc = channel->registered_calls; |
| 335 | channel->registered_calls = rc->next; |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 336 | GRPC_MDELEM_UNREF(exec_ctx, rc->path); |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 337 | GRPC_MDELEM_UNREF(exec_ctx, rc->authority); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 338 | gpr_free(rc); |
| 339 | } |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 340 | GRPC_MDELEM_UNREF(exec_ctx, channel->default_authority); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 341 | gpr_mu_destroy(&channel->registered_call_mu); |
| 342 | gpr_free(channel->target); |
| 343 | gpr_free(channel); |
Craig Tiller | 7bd5ab1 | 2015-02-17 22:29:04 -0800 | [diff] [blame] | 344 | } |
| 345 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 346 | void grpc_channel_destroy(grpc_channel *channel) { |
Craig Tiller | e0221ff | 2016-07-11 15:56:08 -0700 | [diff] [blame] | 347 | grpc_transport_op *op = grpc_make_transport_op(NULL); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 348 | grpc_channel_element *elem; |
Craig Tiller | f5768a6 | 2015-09-22 10:54:34 -0700 | [diff] [blame] | 349 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 350 | GRPC_API_TRACE("grpc_channel_destroy(channel=%p)", 1, (channel)); |
Craig Tiller | e0221ff | 2016-07-11 15:56:08 -0700 | [diff] [blame] | 351 | op->disconnect_with_error = GRPC_ERROR_CREATE("Channel Destroyed"); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 352 | elem = grpc_channel_stack_element(CHANNEL_STACK_FROM_CHANNEL(channel), 0); |
Craig Tiller | e0221ff | 2016-07-11 15:56:08 -0700 | [diff] [blame] | 353 | elem->filter->start_transport_op(&exec_ctx, elem, op); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 354 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 355 | GRPC_CHANNEL_INTERNAL_UNREF(&exec_ctx, channel, "channel"); |
Craig Tiller | dfff1b8 | 2015-09-21 14:39:57 -0700 | [diff] [blame] | 356 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 357 | grpc_exec_ctx_finish(&exec_ctx); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 358 | } |
| 359 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 360 | grpc_channel_stack *grpc_channel_get_channel_stack(grpc_channel *channel) { |
| 361 | return CHANNEL_STACK_FROM_CHANNEL(channel); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 362 | } |
| 363 | |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 364 | grpc_compression_options grpc_channel_compression_options( |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 365 | const grpc_channel *channel) { |
| 366 | return channel->compression_options; |
| 367 | } |
| 368 | |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 369 | grpc_mdelem grpc_channel_get_reffed_status_elem(grpc_exec_ctx *exec_ctx, |
| 370 | grpc_channel *channel, int i) { |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 371 | char tmp[GPR_LTOA_MIN_BUFSIZE]; |
| 372 | switch (i) { |
| 373 | case 0: |
| 374 | return GRPC_MDELEM_GRPC_STATUS_0; |
| 375 | case 1: |
| 376 | return GRPC_MDELEM_GRPC_STATUS_1; |
| 377 | case 2: |
| 378 | return GRPC_MDELEM_GRPC_STATUS_2; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 379 | } |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 380 | gpr_ltoa(i, tmp); |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 381 | return grpc_mdelem_from_slices(exec_ctx, GRPC_MDSTR_GRPC_STATUS, |
| 382 | grpc_slice_from_copied_string(tmp)); |
Craig Tiller | 190d360 | 2015-02-18 09:23:38 -0800 | [diff] [blame] | 383 | } |