Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | a93a25f | 2016-01-28 13:55:49 -0800 | [diff] [blame] | 3 | * Copyright 2015-2016, 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 | |
| 34 | #include "src/core/surface/channel.h" |
| 35 | |
| 36 | #include <stdlib.h> |
| 37 | #include <string.h> |
| 38 | |
Craig Tiller | 1b22b9d | 2015-07-20 13:42:22 -0700 | [diff] [blame] | 39 | #include <grpc/support/alloc.h> |
| 40 | #include <grpc/support/log.h> |
| 41 | #include <grpc/support/string_util.h> |
| 42 | |
Craig Tiller | 178edfa | 2016-02-17 20:54:46 -0800 | [diff] [blame^] | 43 | #include "src/core/surface/channel_init.h" |
Craig Tiller | bc85be1 | 2015-08-24 10:36:39 -0700 | [diff] [blame] | 44 | #include "src/core/client_config/resolver_registry.h" |
Craig Tiller | 7bd5ab1 | 2015-02-17 22:29:04 -0800 | [diff] [blame] | 45 | #include "src/core/iomgr/iomgr.h" |
Craig Tiller | 3fc8e82 | 2015-06-08 16:31:28 -0700 | [diff] [blame] | 46 | #include "src/core/support/string.h" |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 47 | #include "src/core/surface/api_trace.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 48 | #include "src/core/surface/call.h" |
Craig Tiller | 60fd361 | 2015-03-05 16:24:22 -0800 | [diff] [blame] | 49 | #include "src/core/surface/init.h" |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 50 | #include "src/core/transport/static_metadata.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 51 | |
Craig Tiller | 5d5bd22 | 2015-06-08 17:01:49 -0700 | [diff] [blame] | 52 | /** Cache grpc-status: X mdelems for X = 0..NUM_CACHED_STATUS_ELEMS. |
| 53 | * Avoids needing to take a metadata context lock for sending status |
| 54 | * if the status code is <= NUM_CACHED_STATUS_ELEMS. |
| 55 | * Sized to allow the most commonly used codes to fit in |
| 56 | * (OK, Cancelled, Unknown). */ |
Craig Tiller | 3fc8e82 | 2015-06-08 16:31:28 -0700 | [diff] [blame] | 57 | #define NUM_CACHED_STATUS_ELEMS 3 |
| 58 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 59 | typedef struct registered_call { |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 60 | grpc_mdelem *path; |
| 61 | grpc_mdelem *authority; |
| 62 | struct registered_call *next; |
| 63 | } registered_call; |
| 64 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 65 | struct grpc_channel { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 66 | int is_client; |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 67 | uint32_t max_message_length; |
Craig Tiller | bc85be1 | 2015-08-24 10:36:39 -0700 | [diff] [blame] | 68 | grpc_mdelem *default_authority; |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 69 | |
| 70 | gpr_mu registered_call_mu; |
| 71 | registered_call *registered_calls; |
Craig Tiller | 1b22b9d | 2015-07-20 13:42:22 -0700 | [diff] [blame] | 72 | char *target; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 73 | }; |
| 74 | |
Craig Tiller | 6902ad2 | 2015-04-16 08:01:49 -0700 | [diff] [blame] | 75 | #define CHANNEL_STACK_FROM_CHANNEL(c) ((grpc_channel_stack *)((c) + 1)) |
Craig Tiller | b20111c | 2015-04-10 23:27:11 +0000 | [diff] [blame] | 76 | #define CHANNEL_FROM_CHANNEL_STACK(channel_stack) \ |
| 77 | (((grpc_channel *)(channel_stack)) - 1) |
Craig Tiller | da66937 | 2015-02-05 10:10:15 -0800 | [diff] [blame] | 78 | #define CHANNEL_FROM_TOP_ELEM(top_elem) \ |
| 79 | CHANNEL_FROM_CHANNEL_STACK(grpc_channel_stack_from_top_element(top_elem)) |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 80 | |
Craig Tiller | 629b0ed | 2015-04-22 11:14:26 -0700 | [diff] [blame] | 81 | /* the protobuf library will (by default) start warning at 100megs */ |
| 82 | #define DEFAULT_MAX_MESSAGE_LENGTH (100 * 1024 * 1024) |
| 83 | |
Craig Tiller | 6c39686 | 2016-01-28 13:53:40 -0800 | [diff] [blame] | 84 | static void destroy_channel(grpc_exec_ctx *exec_ctx, void *arg, bool success); |
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, |
| 87 | const grpc_channel_args *args, |
| 88 | grpc_channel_stack_type channel_stack_type, |
| 89 | grpc_transport *optional_transport) { |
| 90 | bool is_client = grpc_channel_stack_type_is_client(channel_stack_type); |
| 91 | |
| 92 | grpc_channel *channel = grpc_channel_init_create_stack( |
| 93 | exec_ctx, channel_stack_type, sizeof(grpc_channel), args, 1, |
| 94 | destroy_channel, NULL, optional_transport); |
| 95 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 96 | memset(channel, 0, sizeof(*channel)); |
| 97 | channel->target = gpr_strdup(target); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 98 | channel->is_client = is_client; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 99 | gpr_mu_init(&channel->registered_call_mu); |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 100 | channel->registered_calls = NULL; |
Craig Tiller | 629b0ed | 2015-04-22 11:14:26 -0700 | [diff] [blame] | 101 | |
| 102 | channel->max_message_length = DEFAULT_MAX_MESSAGE_LENGTH; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 103 | if (args) { |
Craig Tiller | 178edfa | 2016-02-17 20:54:46 -0800 | [diff] [blame^] | 104 | for (size_t i = 0; i < args->num_args; i++) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 105 | if (0 == strcmp(args->args[i].key, GRPC_ARG_MAX_MESSAGE_LENGTH)) { |
| 106 | if (args->args[i].type != GRPC_ARG_INTEGER) { |
| 107 | gpr_log(GPR_ERROR, "%s ignored: it must be an integer", |
| 108 | GRPC_ARG_MAX_MESSAGE_LENGTH); |
| 109 | } else if (args->args[i].value.integer < 0) { |
| 110 | gpr_log(GPR_ERROR, "%s ignored: it must be >= 0", |
| 111 | GRPC_ARG_MAX_MESSAGE_LENGTH); |
| 112 | } else { |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 113 | channel->max_message_length = (uint32_t)args->args[i].value.integer; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 114 | } |
| 115 | } else if (0 == strcmp(args->args[i].key, GRPC_ARG_DEFAULT_AUTHORITY)) { |
| 116 | if (args->args[i].type != GRPC_ARG_STRING) { |
yang-g | c1aefa7 | 2015-12-07 15:30:01 -0800 | [diff] [blame] | 117 | gpr_log(GPR_ERROR, "%s ignored: it must be a string", |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 118 | GRPC_ARG_DEFAULT_AUTHORITY); |
| 119 | } else { |
| 120 | if (channel->default_authority) { |
| 121 | /* setting this takes precedence over anything else */ |
| 122 | GRPC_MDELEM_UNREF(channel->default_authority); |
| 123 | } |
| 124 | channel->default_authority = grpc_mdelem_from_strings( |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 125 | ":authority", args->args[i].value.string); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 126 | } |
| 127 | } else if (0 == |
| 128 | strcmp(args->args[i].key, GRPC_SSL_TARGET_NAME_OVERRIDE_ARG)) { |
| 129 | if (args->args[i].type != GRPC_ARG_STRING) { |
yang-g | c1aefa7 | 2015-12-07 15:30:01 -0800 | [diff] [blame] | 130 | gpr_log(GPR_ERROR, "%s ignored: it must be a string", |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 131 | GRPC_SSL_TARGET_NAME_OVERRIDE_ARG); |
| 132 | } else { |
| 133 | if (channel->default_authority) { |
| 134 | /* other ways of setting this (notably ssl) take precedence */ |
yang-g | 3c504c8 | 2015-12-07 15:31:16 -0800 | [diff] [blame] | 135 | gpr_log(GPR_ERROR, |
| 136 | "%s ignored: default host already set some other way", |
yang-g | 325f2a3 | 2015-12-07 15:43:44 -0800 | [diff] [blame] | 137 | GRPC_SSL_TARGET_NAME_OVERRIDE_ARG); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 138 | } else { |
| 139 | channel->default_authority = grpc_mdelem_from_strings( |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 140 | ":authority", args->args[i].value.string); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 141 | } |
| 142 | } |
| 143 | } |
Craig Tiller | 629b0ed | 2015-04-22 11:14:26 -0700 | [diff] [blame] | 144 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 145 | } |
Craig Tiller | 629b0ed | 2015-04-22 11:14:26 -0700 | [diff] [blame] | 146 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 147 | if (channel->is_client && channel->default_authority == NULL && |
| 148 | target != NULL) { |
| 149 | char *default_authority = grpc_get_default_authority(target); |
| 150 | if (default_authority) { |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 151 | channel->default_authority = |
| 152 | grpc_mdelem_from_strings(":authority", default_authority); |
Craig Tiller | bc85be1 | 2015-08-24 10:36:39 -0700 | [diff] [blame] | 153 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 154 | gpr_free(default_authority); |
| 155 | } |
Craig Tiller | bc85be1 | 2015-08-24 10:36:39 -0700 | [diff] [blame] | 156 | |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 157 | return channel; |
| 158 | } |
| 159 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 160 | char *grpc_channel_get_target(grpc_channel *channel) { |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 161 | GRPC_API_TRACE("grpc_channel_get_target(channel=%p)", 1, (channel)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 162 | return gpr_strdup(channel->target); |
Craig Tiller | 1b22b9d | 2015-07-20 13:42:22 -0700 | [diff] [blame] | 163 | } |
| 164 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 165 | static grpc_call *grpc_channel_create_call_internal( |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 166 | grpc_channel *channel, grpc_call *parent_call, uint32_t propagation_mask, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 167 | grpc_completion_queue *cq, grpc_mdelem *path_mdelem, |
| 168 | grpc_mdelem *authority_mdelem, gpr_timespec deadline) { |
Craig Tiller | 6902ad2 | 2015-04-16 08:01:49 -0700 | [diff] [blame] | 169 | grpc_mdelem *send_metadata[2]; |
Craig Tiller | 32ca48c | 2015-09-10 11:47:15 -0700 | [diff] [blame] | 170 | size_t num_metadata = 0; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 171 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 172 | GPR_ASSERT(channel->is_client); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 173 | |
Craig Tiller | c4b56b6 | 2015-07-23 17:44:11 -0700 | [diff] [blame] | 174 | send_metadata[num_metadata++] = path_mdelem; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 175 | if (authority_mdelem != NULL) { |
| 176 | send_metadata[num_metadata++] = authority_mdelem; |
| 177 | } else if (channel->default_authority != NULL) { |
| 178 | send_metadata[num_metadata++] = GRPC_MDELEM_REF(channel->default_authority); |
| 179 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 180 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 181 | return grpc_call_create(channel, parent_call, propagation_mask, cq, NULL, |
| 182 | send_metadata, num_metadata, deadline); |
Craig Tiller | 6902ad2 | 2015-04-16 08:01:49 -0700 | [diff] [blame] | 183 | } |
klempner | c463f74 | 2014-12-19 13:03:35 -0800 | [diff] [blame] | 184 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 185 | grpc_call *grpc_channel_create_call(grpc_channel *channel, |
| 186 | grpc_call *parent_call, |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 187 | uint32_t propagation_mask, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 188 | grpc_completion_queue *cq, |
| 189 | const char *method, const char *host, |
| 190 | gpr_timespec deadline, void *reserved) { |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 191 | GRPC_API_TRACE( |
| 192 | "grpc_channel_create_call(" |
Craig Tiller | 4de3e4f | 2015-10-05 08:55:50 -0700 | [diff] [blame] | 193 | "channel=%p, parent_call=%p, propagation_mask=%x, cq=%p, method=%s, " |
| 194 | "host=%s, " |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 195 | "deadline=gpr_timespec { tv_sec: %lld, tv_nsec: %d, clock_type: %d }, " |
Craig Tiller | 4de3e4f | 2015-10-05 08:55:50 -0700 | [diff] [blame] | 196 | "reserved=%p)", |
| 197 | 10, (channel, parent_call, (unsigned)propagation_mask, cq, method, host, |
Craig Tiller | 620e965 | 2015-12-14 12:02:50 -0800 | [diff] [blame] | 198 | (long long)deadline.tv_sec, (int)deadline.tv_nsec, |
| 199 | (int)deadline.clock_type, reserved)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 200 | GPR_ASSERT(!reserved); |
| 201 | return grpc_channel_create_call_internal( |
| 202 | channel, parent_call, propagation_mask, cq, |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 203 | grpc_mdelem_from_metadata_strings(GRPC_MDSTR_PATH, |
| 204 | grpc_mdstr_from_string(method)), |
| 205 | host ? grpc_mdelem_from_metadata_strings(GRPC_MDSTR_AUTHORITY, |
| 206 | grpc_mdstr_from_string(host)) |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 207 | : NULL, |
| 208 | deadline); |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 209 | } |
| 210 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 211 | void *grpc_channel_register_call(grpc_channel *channel, const char *method, |
| 212 | const char *host, void *reserved) { |
| 213 | registered_call *rc = gpr_malloc(sizeof(registered_call)); |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 214 | GRPC_API_TRACE( |
| 215 | "grpc_channel_register_call(channel=%p, method=%s, host=%s, reserved=%p)", |
| 216 | 4, (channel, method, host, reserved)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 217 | GPR_ASSERT(!reserved); |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 218 | rc->path = grpc_mdelem_from_metadata_strings(GRPC_MDSTR_PATH, |
| 219 | grpc_mdstr_from_string(method)); |
| 220 | rc->authority = host ? grpc_mdelem_from_metadata_strings( |
| 221 | GRPC_MDSTR_AUTHORITY, grpc_mdstr_from_string(host)) |
| 222 | : NULL; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 223 | gpr_mu_lock(&channel->registered_call_mu); |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 224 | rc->next = channel->registered_calls; |
| 225 | channel->registered_calls = rc; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 226 | gpr_mu_unlock(&channel->registered_call_mu); |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 227 | return rc; |
| 228 | } |
| 229 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 230 | grpc_call *grpc_channel_create_registered_call( |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 231 | grpc_channel *channel, grpc_call *parent_call, uint32_t propagation_mask, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 232 | grpc_completion_queue *completion_queue, void *registered_call_handle, |
| 233 | gpr_timespec deadline, void *reserved) { |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 234 | registered_call *rc = registered_call_handle; |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 235 | GRPC_API_TRACE( |
| 236 | "grpc_channel_create_registered_call(" |
Craig Tiller | 4de3e4f | 2015-10-05 08:55:50 -0700 | [diff] [blame] | 237 | "channel=%p, parent_call=%p, propagation_mask=%x, completion_queue=%p, " |
| 238 | "registered_call_handle=%p, " |
Jan Tattermusch | 8808637 | 2015-12-10 10:54:12 -0800 | [diff] [blame] | 239 | "deadline=gpr_timespec { tv_sec: %lld, tv_nsec: %d, clock_type: %d }, " |
Craig Tiller | 4de3e4f | 2015-10-05 08:55:50 -0700 | [diff] [blame] | 240 | "reserved=%p)", |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 241 | 9, (channel, parent_call, (unsigned)propagation_mask, completion_queue, |
Craig Tiller | 620e965 | 2015-12-14 12:02:50 -0800 | [diff] [blame] | 242 | registered_call_handle, (long long)deadline.tv_sec, |
| 243 | (int)deadline.tv_nsec, (int)deadline.clock_type, reserved)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 244 | GPR_ASSERT(!reserved); |
| 245 | return grpc_channel_create_call_internal( |
| 246 | channel, parent_call, propagation_mask, completion_queue, |
| 247 | GRPC_MDELEM_REF(rc->path), |
| 248 | rc->authority ? GRPC_MDELEM_REF(rc->authority) : NULL, deadline); |
Craig Tiller | 0845337 | 2015-04-10 16:05:38 -0700 | [diff] [blame] | 249 | } |
| 250 | |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 251 | #ifdef GRPC_STREAM_REFCOUNT_DEBUG |
| 252 | #define REF_REASON reason |
| 253 | #define REF_ARG , const char *reason |
Craig Tiller | 9ec2a52 | 2015-05-29 22:46:54 -0700 | [diff] [blame] | 254 | #else |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 255 | #define REF_REASON "" |
| 256 | #define REF_ARG |
Craig Tiller | 9ec2a52 | 2015-05-29 22:46:54 -0700 | [diff] [blame] | 257 | #endif |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 258 | void grpc_channel_internal_ref(grpc_channel *c REF_ARG) { |
| 259 | GRPC_CHANNEL_STACK_REF(CHANNEL_STACK_FROM_CHANNEL(c), REF_REASON); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 260 | } |
| 261 | |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 262 | void grpc_channel_internal_unref(grpc_exec_ctx *exec_ctx, |
| 263 | grpc_channel *c REF_ARG) { |
| 264 | GRPC_CHANNEL_STACK_UNREF(exec_ctx, CHANNEL_STACK_FROM_CHANNEL(c), REF_REASON); |
| 265 | } |
| 266 | |
| 267 | static void destroy_channel(grpc_exec_ctx *exec_ctx, void *arg, |
Craig Tiller | 6c39686 | 2016-01-28 13:53:40 -0800 | [diff] [blame] | 268 | bool iomgr_success) { |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 269 | grpc_channel *channel = arg; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 270 | grpc_channel_stack_destroy(exec_ctx, CHANNEL_STACK_FROM_CHANNEL(channel)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 271 | while (channel->registered_calls) { |
| 272 | registered_call *rc = channel->registered_calls; |
| 273 | channel->registered_calls = rc->next; |
| 274 | GRPC_MDELEM_UNREF(rc->path); |
| 275 | if (rc->authority) { |
| 276 | GRPC_MDELEM_UNREF(rc->authority); |
yang-g | 2f04c6e | 2015-07-31 22:02:22 -0700 | [diff] [blame] | 277 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 278 | gpr_free(rc); |
| 279 | } |
| 280 | if (channel->default_authority != NULL) { |
| 281 | GRPC_MDELEM_UNREF(channel->default_authority); |
| 282 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 283 | gpr_mu_destroy(&channel->registered_call_mu); |
| 284 | gpr_free(channel->target); |
| 285 | gpr_free(channel); |
Craig Tiller | 7bd5ab1 | 2015-02-17 22:29:04 -0800 | [diff] [blame] | 286 | } |
| 287 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 288 | void grpc_channel_destroy(grpc_channel *channel) { |
Craig Tiller | 9846503 | 2015-06-29 14:36:42 -0700 | [diff] [blame] | 289 | grpc_transport_op op; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 290 | grpc_channel_element *elem; |
Craig Tiller | f5768a6 | 2015-09-22 10:54:34 -0700 | [diff] [blame] | 291 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 292 | GRPC_API_TRACE("grpc_channel_destroy(channel=%p)", 1, (channel)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 293 | memset(&op, 0, sizeof(op)); |
Craig Tiller | 9846503 | 2015-06-29 14:36:42 -0700 | [diff] [blame] | 294 | op.disconnect = 1; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 295 | elem = grpc_channel_stack_element(CHANNEL_STACK_FROM_CHANNEL(channel), 0); |
| 296 | elem->filter->start_transport_op(&exec_ctx, elem, &op); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 297 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 298 | GRPC_CHANNEL_INTERNAL_UNREF(&exec_ctx, channel, "channel"); |
Craig Tiller | dfff1b8 | 2015-09-21 14:39:57 -0700 | [diff] [blame] | 299 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 300 | grpc_exec_ctx_finish(&exec_ctx); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 301 | } |
| 302 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 303 | grpc_channel_stack *grpc_channel_get_channel_stack(grpc_channel *channel) { |
| 304 | return CHANNEL_STACK_FROM_CHANNEL(channel); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 305 | } |
| 306 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 307 | grpc_mdelem *grpc_channel_get_reffed_status_elem(grpc_channel *channel, int i) { |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 308 | char tmp[GPR_LTOA_MIN_BUFSIZE]; |
| 309 | switch (i) { |
| 310 | case 0: |
| 311 | return GRPC_MDELEM_GRPC_STATUS_0; |
| 312 | case 1: |
| 313 | return GRPC_MDELEM_GRPC_STATUS_1; |
| 314 | case 2: |
| 315 | return GRPC_MDELEM_GRPC_STATUS_2; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 316 | } |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 317 | gpr_ltoa(i, tmp); |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 318 | return grpc_mdelem_from_metadata_strings(GRPC_MDSTR_GRPC_STATUS, |
| 319 | grpc_mdstr_from_string(tmp)); |
Craig Tiller | 190d360 | 2015-02-18 09:23:38 -0800 | [diff] [blame] | 320 | } |
Craig Tiller | fbf5be2 | 2015-04-22 16:17:09 -0700 | [diff] [blame] | 321 | |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 322 | uint32_t grpc_channel_get_max_message_length(grpc_channel *channel) { |
Craig Tiller | fbf5be2 | 2015-04-22 16:17:09 -0700 | [diff] [blame] | 323 | return channel->max_message_length; |
Craig Tiller | 09b49d7 | 2015-04-22 16:40:23 -0700 | [diff] [blame] | 324 | } |