Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 3 | * Copyright 2015-2016 gRPC authors. |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 4 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 8 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 10 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 16 | * |
| 17 | */ |
| 18 | |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 19 | #include "src/core/lib/surface/server.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 20 | |
Craig Tiller | f96dfc3 | 2015-09-10 14:43:18 -0700 | [diff] [blame] | 21 | #include <limits.h> |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 22 | #include <stdlib.h> |
| 23 | #include <string.h> |
| 24 | |
Craig Tiller | 6a006ce | 2015-07-13 16:25:40 -0700 | [diff] [blame] | 25 | #include <grpc/support/alloc.h> |
| 26 | #include <grpc/support/log.h> |
| 27 | #include <grpc/support/string_util.h> |
| 28 | #include <grpc/support/useful.h> |
| 29 | |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 30 | #include "src/core/lib/channel/channel_args.h" |
| 31 | #include "src/core/lib/channel/connected_channel.h" |
Craig Tiller | 561dc32 | 2017-09-05 13:00:46 -0700 | [diff] [blame] | 32 | #include "src/core/lib/debug/stats.h" |
Craig Tiller | 9d9313c | 2017-04-11 15:05:46 -0700 | [diff] [blame] | 33 | #include "src/core/lib/iomgr/executor.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 34 | #include "src/core/lib/iomgr/iomgr.h" |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 35 | #include "src/core/lib/slice/slice_internal.h" |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 36 | #include "src/core/lib/support/mpscq.h" |
| 37 | #include "src/core/lib/support/spinlock.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 38 | #include "src/core/lib/support/string.h" |
| 39 | #include "src/core/lib/surface/api_trace.h" |
| 40 | #include "src/core/lib/surface/call.h" |
| 41 | #include "src/core/lib/surface/channel.h" |
| 42 | #include "src/core/lib/surface/completion_queue.h" |
| 43 | #include "src/core/lib/surface/init.h" |
| 44 | #include "src/core/lib/transport/metadata.h" |
| 45 | #include "src/core/lib/transport/static_metadata.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 46 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 47 | typedef struct listener { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 48 | void* arg; |
| 49 | void (*start)(grpc_exec_ctx* exec_ctx, grpc_server* server, void* arg, |
| 50 | grpc_pollset** pollsets, size_t pollset_count); |
| 51 | void (*destroy)(grpc_exec_ctx* exec_ctx, grpc_server* server, void* arg, |
| 52 | grpc_closure* closure); |
| 53 | struct listener* next; |
Craig Tiller | dfff1b8 | 2015-09-21 14:39:57 -0700 | [diff] [blame] | 54 | grpc_closure destroy_done; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 55 | } listener; |
| 56 | |
| 57 | typedef struct call_data call_data; |
| 58 | typedef struct channel_data channel_data; |
Craig Tiller | 24be0f7 | 2015-02-10 14:04:22 -0800 | [diff] [blame] | 59 | typedef struct registered_method registered_method; |
| 60 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 61 | typedef enum { BATCH_CALL, REGISTERED_CALL } requested_call_type; |
Craig Tiller | 24be0f7 | 2015-02-10 14:04:22 -0800 | [diff] [blame] | 62 | |
ncteisen | 7712c7c | 2017-07-12 23:11:27 -0700 | [diff] [blame] | 63 | grpc_tracer_flag grpc_server_channel_trace = |
| 64 | GRPC_TRACER_INITIALIZER(false, "server_channel"); |
Craig Tiller | 687a0e6 | 2016-09-21 10:48:59 -0700 | [diff] [blame] | 65 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 66 | typedef struct requested_call { |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 67 | gpr_mpscq_node request_link; /* must be first */ |
Craig Tiller | 24be0f7 | 2015-02-10 14:04:22 -0800 | [diff] [blame] | 68 | requested_call_type type; |
Craig Tiller | b19dbea | 2016-07-12 15:33:11 -0700 | [diff] [blame] | 69 | size_t cq_idx; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 70 | void* tag; |
| 71 | grpc_server* server; |
| 72 | grpc_completion_queue* cq_bound_to_call; |
| 73 | grpc_call** call; |
Craig Tiller | 97fc6a3 | 2015-07-08 15:31:35 -0700 | [diff] [blame] | 74 | grpc_cq_completion completion; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 75 | grpc_metadata_array* initial_metadata; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 76 | union { |
| 77 | struct { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 78 | grpc_call_details* details; |
Craig Tiller | 24be0f7 | 2015-02-10 14:04:22 -0800 | [diff] [blame] | 79 | } batch; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 80 | struct { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 81 | registered_method* method; |
| 82 | gpr_timespec* deadline; |
| 83 | grpc_byte_buffer** optional_payload; |
Craig Tiller | 24be0f7 | 2015-02-10 14:04:22 -0800 | [diff] [blame] | 84 | } registered; |
| 85 | } data; |
| 86 | } requested_call; |
| 87 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 88 | typedef struct channel_registered_method { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 89 | registered_method* server_registered_method; |
Craig Tiller | b290686 | 2016-03-10 06:50:07 -0800 | [diff] [blame] | 90 | uint32_t flags; |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 91 | bool has_host; |
| 92 | grpc_slice method; |
| 93 | grpc_slice host; |
Craig Tiller | 24be0f7 | 2015-02-10 14:04:22 -0800 | [diff] [blame] | 94 | } channel_registered_method; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 95 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 96 | struct channel_data { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 97 | grpc_server* server; |
Craig Tiller | e039f03 | 2015-06-25 12:54:23 -0700 | [diff] [blame] | 98 | grpc_connectivity_state connectivity_state; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 99 | grpc_channel* channel; |
Craig Tiller | 418a821 | 2016-05-16 16:27:51 -0700 | [diff] [blame] | 100 | size_t cq_idx; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 101 | /* linked list of all channels on a server */ |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 102 | channel_data* next; |
| 103 | channel_data* prev; |
| 104 | channel_registered_method* registered_methods; |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 105 | uint32_t registered_method_slots; |
| 106 | uint32_t registered_method_max_probes; |
Craig Tiller | 3382511 | 2015-09-18 07:44:19 -0700 | [diff] [blame] | 107 | grpc_closure finish_destroy_channel_closure; |
| 108 | grpc_closure channel_connectivity_changed; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 109 | }; |
| 110 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 111 | typedef struct shutdown_tag { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 112 | void* tag; |
| 113 | grpc_completion_queue* cq; |
Craig Tiller | 97fc6a3 | 2015-07-08 15:31:35 -0700 | [diff] [blame] | 114 | grpc_cq_completion completion; |
Craig Tiller | bce999f | 2015-05-27 09:55:51 -0700 | [diff] [blame] | 115 | } shutdown_tag; |
| 116 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 117 | typedef enum { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 118 | /* waiting for metadata */ |
| 119 | NOT_STARTED, |
| 120 | /* inital metadata read, not flow controlled in yet */ |
| 121 | PENDING, |
| 122 | /* flow controlled in, on completion queue */ |
| 123 | ACTIVATED, |
| 124 | /* cancelled before being queued */ |
| 125 | ZOMBIED |
| 126 | } call_state; |
| 127 | |
Craig Tiller | 729b35a | 2015-07-13 12:36:47 -0700 | [diff] [blame] | 128 | typedef struct request_matcher request_matcher; |
| 129 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 130 | struct call_data { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 131 | grpc_call* call; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 132 | |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 133 | gpr_atm state; |
Craig Tiller | 76d2c3b | 2015-07-07 11:46:01 -0700 | [diff] [blame] | 134 | |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 135 | bool path_set; |
| 136 | bool host_set; |
| 137 | grpc_slice path; |
| 138 | grpc_slice host; |
Craig Tiller | 89c1428 | 2017-07-19 15:32:27 -0700 | [diff] [blame] | 139 | grpc_millis deadline; |
Craig Tiller | cce17ac | 2015-01-20 09:29:28 -0800 | [diff] [blame] | 140 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 141 | grpc_completion_queue* cq_new; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 142 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 143 | grpc_metadata_batch* recv_initial_metadata; |
Craig Tiller | 72920cc | 2017-03-10 10:20:17 -0800 | [diff] [blame] | 144 | uint32_t recv_initial_metadata_flags; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 145 | grpc_metadata_array initial_metadata; |
Craig Tiller | be18b8d | 2015-04-22 14:00:47 -0700 | [diff] [blame] | 146 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 147 | request_matcher* matcher; |
| 148 | grpc_byte_buffer* payload; |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 149 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 150 | grpc_closure got_initial_metadata; |
| 151 | grpc_closure server_on_recv_initial_metadata; |
Craig Tiller | 3382511 | 2015-09-18 07:44:19 -0700 | [diff] [blame] | 152 | grpc_closure kill_zombie_closure; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 153 | grpc_closure* on_done_recv_initial_metadata; |
David Garcia Quintas | 284488b | 2015-05-28 16:27:39 -0700 | [diff] [blame] | 154 | |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 155 | grpc_closure publish; |
| 156 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 157 | call_data* pending_next; |
Craig Tiller | 729b35a | 2015-07-13 12:36:47 -0700 | [diff] [blame] | 158 | }; |
| 159 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 160 | struct request_matcher { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 161 | grpc_server* server; |
| 162 | call_data* pending_head; |
| 163 | call_data* pending_tail; |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 164 | gpr_locked_mpscq* requests_per_cq; |
Craig Tiller | 729b35a | 2015-07-13 12:36:47 -0700 | [diff] [blame] | 165 | }; |
| 166 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 167 | struct registered_method { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 168 | char* method; |
| 169 | char* host; |
Craig Tiller | 06cb1a9 | 2016-04-04 08:10:47 -0700 | [diff] [blame] | 170 | grpc_server_register_method_payload_handling payload_handling; |
Craig Tiller | b290686 | 2016-03-10 06:50:07 -0800 | [diff] [blame] | 171 | uint32_t flags; |
Craig Tiller | fa96d86 | 2016-05-21 12:39:56 -0700 | [diff] [blame] | 172 | /* one request matcher per method */ |
Yash Tibrewal | a495220 | 2017-09-13 10:53:28 -0700 | [diff] [blame] | 173 | request_matcher matcher; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 174 | registered_method* next; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 175 | }; |
| 176 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 177 | typedef struct { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 178 | grpc_channel** channels; |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 179 | size_t num_channels; |
| 180 | } channel_broadcaster; |
| 181 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 182 | struct grpc_server { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 183 | grpc_channel_args* channel_args; |
Craig Tiller | 729b35a | 2015-07-13 12:36:47 -0700 | [diff] [blame] | 184 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 185 | grpc_completion_queue** cqs; |
| 186 | grpc_pollset** pollsets; |
Craig Tiller | 729b35a | 2015-07-13 12:36:47 -0700 | [diff] [blame] | 187 | size_t cq_count; |
Craig Tiller | 1d0fce9 | 2016-10-26 08:26:22 -0700 | [diff] [blame] | 188 | size_t pollset_count; |
Craig Tiller | 88ef00e | 2016-05-17 09:31:49 -0700 | [diff] [blame] | 189 | bool started; |
Craig Tiller | 729b35a | 2015-07-13 12:36:47 -0700 | [diff] [blame] | 190 | |
| 191 | /* The two following mutexes control access to server-state |
| 192 | mu_global controls access to non-call-related state (e.g., channel state) |
| 193 | mu_call controls access to call-related state (e.g., the call lists) |
| 194 | |
| 195 | If they are ever required to be nested, you must lock mu_global |
| 196 | before mu_call. This is currently used in shutdown processing |
| 197 | (grpc_server_shutdown_and_notify and maybe_finish_shutdown) */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 198 | gpr_mu mu_global; /* mutex for server and channel state */ |
| 199 | gpr_mu mu_call; /* mutex for call-specific state */ |
Craig Tiller | 729b35a | 2015-07-13 12:36:47 -0700 | [diff] [blame] | 200 | |
Craig Tiller | bd3cc40 | 2017-04-12 08:06:44 -0700 | [diff] [blame] | 201 | /* startup synchronization: flag is protected by mu_global, signals whether |
| 202 | we are doing the listener start routine or not */ |
| 203 | bool starting; |
| 204 | gpr_cv starting_cv; |
| 205 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 206 | registered_method* registered_methods; |
Craig Tiller | fa96d86 | 2016-05-21 12:39:56 -0700 | [diff] [blame] | 207 | /** one request matcher for unregistered methods */ |
Craig Tiller | 729b35a | 2015-07-13 12:36:47 -0700 | [diff] [blame] | 208 | request_matcher unregistered_request_matcher; |
| 209 | |
Craig Tiller | 6a006ce | 2015-07-13 16:25:40 -0700 | [diff] [blame] | 210 | gpr_atm shutdown_flag; |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 211 | uint8_t shutdown_published; |
Craig Tiller | 729b35a | 2015-07-13 12:36:47 -0700 | [diff] [blame] | 212 | size_t num_shutdown_tags; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 213 | shutdown_tag* shutdown_tags; |
Craig Tiller | 729b35a | 2015-07-13 12:36:47 -0700 | [diff] [blame] | 214 | |
| 215 | channel_data root_channel_data; |
| 216 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 217 | listener* listeners; |
Craig Tiller | 729b35a | 2015-07-13 12:36:47 -0700 | [diff] [blame] | 218 | int listeners_destroyed; |
| 219 | gpr_refcount internal_refcount; |
| 220 | |
| 221 | /** when did we print the last shutdown progress message */ |
| 222 | gpr_timespec last_shutdown_message_time; |
| 223 | }; |
| 224 | |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 225 | #define SERVER_FROM_CALL_ELEM(elem) \ |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 226 | (((channel_data*)(elem)->channel_data)->server) |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 227 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 228 | static void publish_new_rpc(grpc_exec_ctx* exec_ctx, void* calld, |
| 229 | grpc_error* error); |
| 230 | static void fail_call(grpc_exec_ctx* exec_ctx, grpc_server* server, |
| 231 | size_t cq_idx, requested_call* rc, grpc_error* error); |
Vijay Pai | 8931cdd | 2015-06-17 12:42:17 -0700 | [diff] [blame] | 232 | /* Before calling maybe_finish_shutdown, we must hold mu_global and not |
| 233 | hold mu_call */ |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 234 | static void maybe_finish_shutdown(grpc_exec_ctx* exec_ctx, grpc_server* server); |
Craig Tiller | 24be0f7 | 2015-02-10 14:04:22 -0800 | [diff] [blame] | 235 | |
Craig Tiller | 729b35a | 2015-07-13 12:36:47 -0700 | [diff] [blame] | 236 | /* |
| 237 | * channel broadcaster |
| 238 | */ |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 239 | |
| 240 | /* assumes server locked */ |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 241 | static void channel_broadcaster_init(grpc_server* s, channel_broadcaster* cb) { |
| 242 | channel_data* c; |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 243 | size_t count = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 244 | for (c = s->root_channel_data.next; c != &s->root_channel_data; c = c->next) { |
| 245 | count++; |
| 246 | } |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 247 | cb->num_channels = count; |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 248 | cb->channels = |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 249 | (grpc_channel**)gpr_malloc(sizeof(*cb->channels) * cb->num_channels); |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 250 | count = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 251 | for (c = s->root_channel_data.next; c != &s->root_channel_data; c = c->next) { |
| 252 | cb->channels[count++] = c->channel; |
| 253 | GRPC_CHANNEL_INTERNAL_REF(c->channel, "broadcast"); |
| 254 | } |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 255 | } |
| 256 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 257 | struct shutdown_cleanup_args { |
Craig Tiller | 3382511 | 2015-09-18 07:44:19 -0700 | [diff] [blame] | 258 | grpc_closure closure; |
Craig Tiller | d41a4a7 | 2016-10-26 16:16:06 -0700 | [diff] [blame] | 259 | grpc_slice slice; |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 260 | }; |
| 261 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 262 | static void shutdown_cleanup(grpc_exec_ctx* exec_ctx, void* arg, |
| 263 | grpc_error* error) { |
| 264 | struct shutdown_cleanup_args* a = (struct shutdown_cleanup_args*)arg; |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 265 | grpc_slice_unref_internal(exec_ctx, a->slice); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 266 | gpr_free(a); |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 267 | } |
| 268 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 269 | static void send_shutdown(grpc_exec_ctx* exec_ctx, grpc_channel* channel, |
| 270 | bool send_goaway, grpc_error* send_disconnect) { |
| 271 | struct shutdown_cleanup_args* sc = |
| 272 | (struct shutdown_cleanup_args*)gpr_malloc(sizeof(*sc)); |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 273 | GRPC_CLOSURE_INIT(&sc->closure, shutdown_cleanup, sc, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 274 | grpc_schedule_on_exec_ctx); |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 275 | grpc_transport_op* op = grpc_make_transport_op(&sc->closure); |
| 276 | grpc_channel_element* elem; |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 277 | |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 278 | op->goaway_error = |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 279 | send_goaway ? grpc_error_set_int( |
| 280 | GRPC_ERROR_CREATE_FROM_STATIC_STRING("Server shutdown"), |
| 281 | GRPC_ERROR_INT_GRPC_STATUS, GRPC_STATUS_OK) |
| 282 | : GRPC_ERROR_NONE; |
Craig Tiller | e194ff0 | 2016-08-29 15:48:41 -0700 | [diff] [blame] | 283 | op->set_accept_stream = true; |
Craig Tiller | d41a4a7 | 2016-10-26 16:16:06 -0700 | [diff] [blame] | 284 | sc->slice = grpc_slice_from_copied_string("Server shutdown"); |
Craig Tiller | e0221ff | 2016-07-11 15:56:08 -0700 | [diff] [blame] | 285 | op->disconnect_with_error = send_disconnect; |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 286 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 287 | elem = grpc_channel_stack_element(grpc_channel_get_channel_stack(channel), 0); |
Craig Tiller | e0221ff | 2016-07-11 15:56:08 -0700 | [diff] [blame] | 288 | elem->filter->start_transport_op(exec_ctx, elem, op); |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 289 | } |
| 290 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 291 | static void channel_broadcaster_shutdown(grpc_exec_ctx* exec_ctx, |
| 292 | channel_broadcaster* cb, |
Mark D. Roth | 7f8db25 | 2016-06-24 08:24:15 -0700 | [diff] [blame] | 293 | bool send_goaway, |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 294 | grpc_error* force_disconnect) { |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 295 | size_t i; |
| 296 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 297 | for (i = 0; i < cb->num_channels; i++) { |
Craig Tiller | 71f9665 | 2016-05-11 23:17:45 -0700 | [diff] [blame] | 298 | send_shutdown(exec_ctx, cb->channels[i], send_goaway, |
| 299 | GRPC_ERROR_REF(force_disconnect)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 300 | GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, cb->channels[i], "broadcast"); |
| 301 | } |
| 302 | gpr_free(cb->channels); |
Craig Tiller | 71f9665 | 2016-05-11 23:17:45 -0700 | [diff] [blame] | 303 | GRPC_ERROR_UNREF(force_disconnect); |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 304 | } |
| 305 | |
Craig Tiller | 729b35a | 2015-07-13 12:36:47 -0700 | [diff] [blame] | 306 | /* |
| 307 | * request_matcher |
| 308 | */ |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 309 | |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 310 | static void request_matcher_init(request_matcher* rm, grpc_server* server) { |
Craig Tiller | b9d3596 | 2015-09-11 13:31:16 -0700 | [diff] [blame] | 311 | memset(rm, 0, sizeof(*rm)); |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 312 | rm->server = server; |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 313 | rm->requests_per_cq = (gpr_locked_mpscq*)gpr_malloc( |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 314 | sizeof(*rm->requests_per_cq) * server->cq_count); |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 315 | for (size_t i = 0; i < server->cq_count; i++) { |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 316 | gpr_locked_mpscq_init(&rm->requests_per_cq[i]); |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 317 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 318 | } |
| 319 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 320 | static void request_matcher_destroy(request_matcher* rm) { |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 321 | for (size_t i = 0; i < rm->server->cq_count; i++) { |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 322 | GPR_ASSERT(gpr_locked_mpscq_pop(&rm->requests_per_cq[i]) == nullptr); |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 323 | gpr_locked_mpscq_destroy(&rm->requests_per_cq[i]); |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 324 | } |
| 325 | gpr_free(rm->requests_per_cq); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 326 | } |
| 327 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 328 | static void kill_zombie(grpc_exec_ctx* exec_ctx, void* elem, |
| 329 | grpc_error* error) { |
| 330 | grpc_call_unref(grpc_call_from_top_element((grpc_call_element*)elem)); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 331 | } |
| 332 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 333 | static void request_matcher_zombify_all_pending_calls(grpc_exec_ctx* exec_ctx, |
| 334 | request_matcher* rm) { |
Craig Tiller | b9d3596 | 2015-09-11 13:31:16 -0700 | [diff] [blame] | 335 | while (rm->pending_head) { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 336 | call_data* calld = rm->pending_head; |
Craig Tiller | b9d3596 | 2015-09-11 13:31:16 -0700 | [diff] [blame] | 337 | rm->pending_head = calld->pending_next; |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 338 | gpr_atm_no_barrier_store(&calld->state, ZOMBIED); |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 339 | GRPC_CLOSURE_INIT( |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 340 | &calld->kill_zombie_closure, kill_zombie, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 341 | grpc_call_stack_element(grpc_call_get_call_stack(calld->call), 0), |
| 342 | grpc_schedule_on_exec_ctx); |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 343 | GRPC_CLOSURE_SCHED(exec_ctx, &calld->kill_zombie_closure, GRPC_ERROR_NONE); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 344 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 345 | } |
| 346 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 347 | static void request_matcher_kill_requests(grpc_exec_ctx* exec_ctx, |
| 348 | grpc_server* server, |
| 349 | request_matcher* rm, |
| 350 | grpc_error* error) { |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 351 | requested_call* rc; |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 352 | for (size_t i = 0; i < server->cq_count; i++) { |
Ken Payson | 24908a6 | 2017-11-16 12:35:43 -0800 | [diff] [blame] | 353 | while ((rc = (requested_call*)gpr_locked_mpscq_pop( |
| 354 | &rm->requests_per_cq[i])) != nullptr) { |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 355 | fail_call(exec_ctx, server, i, rc, GRPC_ERROR_REF(error)); |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 356 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 357 | } |
Craig Tiller | cae4b1b | 2016-05-10 09:11:09 -0700 | [diff] [blame] | 358 | GRPC_ERROR_UNREF(error); |
Craig Tiller | 1191e21 | 2015-07-30 14:49:02 -0700 | [diff] [blame] | 359 | } |
| 360 | |
Craig Tiller | 729b35a | 2015-07-13 12:36:47 -0700 | [diff] [blame] | 361 | /* |
| 362 | * server proper |
| 363 | */ |
| 364 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 365 | static void server_ref(grpc_server* server) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 366 | gpr_ref(&server->internal_refcount); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 367 | } |
| 368 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 369 | static void server_delete(grpc_exec_ctx* exec_ctx, grpc_server* server) { |
| 370 | registered_method* rm; |
Craig Tiller | 8950461 | 2015-04-27 11:48:46 -0700 | [diff] [blame] | 371 | size_t i; |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 372 | grpc_channel_args_destroy(exec_ctx, server->channel_args); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 373 | gpr_mu_destroy(&server->mu_global); |
| 374 | gpr_mu_destroy(&server->mu_call); |
Craig Tiller | bd3cc40 | 2017-04-12 08:06:44 -0700 | [diff] [blame] | 375 | gpr_cv_destroy(&server->starting_cv); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 376 | while ((rm = server->registered_methods) != nullptr) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 377 | server->registered_methods = rm->next; |
Craig Tiller | 88ef00e | 2016-05-17 09:31:49 -0700 | [diff] [blame] | 378 | if (server->started) { |
Yash Tibrewal | a495220 | 2017-09-13 10:53:28 -0700 | [diff] [blame] | 379 | request_matcher_destroy(&rm->matcher); |
Craig Tiller | 418a821 | 2016-05-16 16:27:51 -0700 | [diff] [blame] | 380 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 381 | gpr_free(rm->method); |
| 382 | gpr_free(rm->host); |
| 383 | gpr_free(rm); |
| 384 | } |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 385 | if (server->started) { |
| 386 | request_matcher_destroy(&server->unregistered_request_matcher); |
| 387 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 388 | for (i = 0; i < server->cq_count; i++) { |
Craig Tiller | f840110 | 2017-04-17 09:47:28 -0700 | [diff] [blame] | 389 | GRPC_CQ_INTERNAL_UNREF(exec_ctx, server->cqs[i], "server"); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 390 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 391 | gpr_free(server->cqs); |
| 392 | gpr_free(server->pollsets); |
| 393 | gpr_free(server->shutdown_tags); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 394 | gpr_free(server); |
Craig Tiller | ee945e8 | 2015-05-26 16:15:34 -0700 | [diff] [blame] | 395 | } |
| 396 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 397 | static void server_unref(grpc_exec_ctx* exec_ctx, grpc_server* server) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 398 | if (gpr_unref(&server->internal_refcount)) { |
| 399 | server_delete(exec_ctx, server); |
| 400 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 401 | } |
| 402 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 403 | static int is_channel_orphaned(channel_data* chand) { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 404 | return chand->next == chand; |
| 405 | } |
| 406 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 407 | static void orphan_channel(channel_data* chand) { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 408 | chand->next->prev = chand->prev; |
| 409 | chand->prev->next = chand->next; |
| 410 | chand->next = chand->prev = chand; |
| 411 | } |
| 412 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 413 | static void finish_destroy_channel(grpc_exec_ctx* exec_ctx, void* cd, |
| 414 | grpc_error* error) { |
| 415 | channel_data* chand = (channel_data*)cd; |
| 416 | grpc_server* server = chand->server; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 417 | GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, chand->channel, "server"); |
| 418 | server_unref(exec_ctx, server); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 419 | } |
| 420 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 421 | static void destroy_channel(grpc_exec_ctx* exec_ctx, channel_data* chand, |
| 422 | grpc_error* error) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 423 | if (is_channel_orphaned(chand)) return; |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 424 | GPR_ASSERT(chand->server != nullptr); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 425 | orphan_channel(chand); |
| 426 | server_ref(chand->server); |
| 427 | maybe_finish_shutdown(exec_ctx, chand->server); |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 428 | GRPC_CLOSURE_INIT(&chand->finish_destroy_channel_closure, |
Craig Tiller | 3cb3447 | 2016-12-28 16:11:38 -0800 | [diff] [blame] | 429 | finish_destroy_channel, chand, grpc_schedule_on_exec_ctx); |
Craig Tiller | d7f12e3 | 2016-03-03 10:08:31 -0800 | [diff] [blame] | 430 | |
Craig Tiller | 84f75d4 | 2017-05-03 13:06:35 -0700 | [diff] [blame] | 431 | if (GRPC_TRACER_ON(grpc_server_channel_trace) && error != GRPC_ERROR_NONE) { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 432 | const char* msg = grpc_error_string(error); |
Craig Tiller | e7603b8 | 2016-07-18 15:43:42 -0700 | [diff] [blame] | 433 | gpr_log(GPR_INFO, "Disconnected client: %s", msg); |
Craig Tiller | e7603b8 | 2016-07-18 15:43:42 -0700 | [diff] [blame] | 434 | } |
| 435 | GRPC_ERROR_UNREF(error); |
Craig Tiller | df1d3da | 2016-09-01 13:51:42 -0700 | [diff] [blame] | 436 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 437 | grpc_transport_op* op = |
Craig Tiller | 44b12f9 | 2016-09-08 10:06:14 -0700 | [diff] [blame] | 438 | grpc_make_transport_op(&chand->finish_destroy_channel_closure); |
Craig Tiller | df1d3da | 2016-09-01 13:51:42 -0700 | [diff] [blame] | 439 | op->set_accept_stream = true; |
| 440 | grpc_channel_next_op(exec_ctx, |
| 441 | grpc_channel_stack_element( |
| 442 | grpc_channel_get_channel_stack(chand->channel), 0), |
| 443 | op); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 444 | } |
| 445 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 446 | static void done_request_event(grpc_exec_ctx* exec_ctx, void* req, |
| 447 | grpc_cq_completion* c) { |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 448 | gpr_free(req); |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 449 | } |
Craig Tiller | 06cb1a9 | 2016-04-04 08:10:47 -0700 | [diff] [blame] | 450 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 451 | static void publish_call(grpc_exec_ctx* exec_ctx, grpc_server* server, |
| 452 | call_data* calld, size_t cq_idx, requested_call* rc) { |
Craig Tiller | 06cb1a9 | 2016-04-04 08:10:47 -0700 | [diff] [blame] | 453 | grpc_call_set_completion_queue(exec_ctx, calld->call, rc->cq_bound_to_call); |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 454 | grpc_call* call = calld->call; |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 455 | *rc->call = call; |
Craig Tiller | 9f9d422 | 2016-05-16 17:02:14 -0700 | [diff] [blame] | 456 | calld->cq_new = server->cqs[cq_idx]; |
Craig Tiller | 06cb1a9 | 2016-04-04 08:10:47 -0700 | [diff] [blame] | 457 | GPR_SWAP(grpc_metadata_array, *rc->initial_metadata, calld->initial_metadata); |
| 458 | switch (rc->type) { |
| 459 | case BATCH_CALL: |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 460 | GPR_ASSERT(calld->host_set); |
| 461 | GPR_ASSERT(calld->path_set); |
| 462 | rc->data.batch.details->host = grpc_slice_ref_internal(calld->host); |
| 463 | rc->data.batch.details->method = grpc_slice_ref_internal(calld->path); |
Craig Tiller | 89c1428 | 2017-07-19 15:32:27 -0700 | [diff] [blame] | 464 | rc->data.batch.details->deadline = |
Craig Tiller | b603489 | 2017-09-20 16:01:19 -0700 | [diff] [blame] | 465 | grpc_millis_to_timespec(calld->deadline, GPR_CLOCK_MONOTONIC); |
Craig Tiller | 72920cc | 2017-03-10 10:20:17 -0800 | [diff] [blame] | 466 | rc->data.batch.details->flags = calld->recv_initial_metadata_flags; |
Craig Tiller | 06cb1a9 | 2016-04-04 08:10:47 -0700 | [diff] [blame] | 467 | break; |
| 468 | case REGISTERED_CALL: |
Craig Tiller | 89c1428 | 2017-07-19 15:32:27 -0700 | [diff] [blame] | 469 | *rc->data.registered.deadline = |
Craig Tiller | b603489 | 2017-09-20 16:01:19 -0700 | [diff] [blame] | 470 | grpc_millis_to_timespec(calld->deadline, GPR_CLOCK_MONOTONIC); |
Craig Tiller | 06cb1a9 | 2016-04-04 08:10:47 -0700 | [diff] [blame] | 471 | if (rc->data.registered.optional_payload) { |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 472 | *rc->data.registered.optional_payload = calld->payload; |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 473 | calld->payload = nullptr; |
Craig Tiller | 06cb1a9 | 2016-04-04 08:10:47 -0700 | [diff] [blame] | 474 | } |
| 475 | break; |
| 476 | default: |
| 477 | GPR_UNREACHABLE_CODE(return ); |
| 478 | } |
| 479 | |
Craig Tiller | f51457b | 2016-05-03 17:06:32 -0700 | [diff] [blame] | 480 | grpc_cq_end_op(exec_ctx, calld->cq_new, rc->tag, GRPC_ERROR_NONE, |
| 481 | done_request_event, rc, &rc->completion); |
Craig Tiller | 06cb1a9 | 2016-04-04 08:10:47 -0700 | [diff] [blame] | 482 | } |
| 483 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 484 | static void publish_new_rpc(grpc_exec_ctx* exec_ctx, void* arg, |
| 485 | grpc_error* error) { |
| 486 | grpc_call_element* call_elem = (grpc_call_element*)arg; |
| 487 | call_data* calld = (call_data*)call_elem->call_data; |
| 488 | channel_data* chand = (channel_data*)call_elem->channel_data; |
| 489 | request_matcher* rm = calld->matcher; |
| 490 | grpc_server* server = rm->server; |
Craig Tiller | 6a006ce | 2015-07-13 16:25:40 -0700 | [diff] [blame] | 491 | |
Craig Tiller | f51457b | 2016-05-03 17:06:32 -0700 | [diff] [blame] | 492 | if (error != GRPC_ERROR_NONE || gpr_atm_acq_load(&server->shutdown_flag)) { |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 493 | gpr_atm_no_barrier_store(&calld->state, ZOMBIED); |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 494 | GRPC_CLOSURE_INIT( |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 495 | &calld->kill_zombie_closure, kill_zombie, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 496 | grpc_call_stack_element(grpc_call_get_call_stack(calld->call), 0), |
| 497 | grpc_schedule_on_exec_ctx); |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 498 | GRPC_CLOSURE_SCHED(exec_ctx, &calld->kill_zombie_closure, |
yang-g | 23f777d | 2017-02-22 23:32:26 -0800 | [diff] [blame] | 499 | GRPC_ERROR_REF(error)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 500 | return; |
| 501 | } |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 502 | |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 503 | for (size_t i = 0; i < server->cq_count; i++) { |
| 504 | size_t cq_idx = (chand->cq_idx + i) % server->cq_count; |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 505 | requested_call* rc = |
| 506 | (requested_call*)gpr_locked_mpscq_try_pop(&rm->requests_per_cq[cq_idx]); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 507 | if (rc == nullptr) { |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 508 | continue; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 509 | } else { |
Craig Tiller | 561dc32 | 2017-09-05 13:00:46 -0700 | [diff] [blame] | 510 | GRPC_STATS_INC_SERVER_CQS_CHECKED(exec_ctx, i); |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 511 | gpr_atm_no_barrier_store(&calld->state, ACTIVATED); |
| 512 | publish_call(exec_ctx, server, calld, cq_idx, rc); |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 513 | return; /* early out */ |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 514 | } |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 515 | } |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 516 | |
| 517 | /* no cq to take the request found: queue it on the slow list */ |
Craig Tiller | 561dc32 | 2017-09-05 13:00:46 -0700 | [diff] [blame] | 518 | GRPC_STATS_INC_SERVER_SLOWPATH_REQUESTS_QUEUED(exec_ctx); |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 519 | gpr_mu_lock(&server->mu_call); |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 520 | |
| 521 | // We need to ensure that all the queues are empty. We do this under |
| 522 | // the server mu_call lock to ensure that if something is added to |
| 523 | // an empty request queue, it will block until the call is actually |
| 524 | // added to the pending list. |
| 525 | for (size_t i = 0; i < server->cq_count; i++) { |
| 526 | size_t cq_idx = (chand->cq_idx + i) % server->cq_count; |
| 527 | requested_call* rc = |
| 528 | (requested_call*)gpr_locked_mpscq_pop(&rm->requests_per_cq[cq_idx]); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 529 | if (rc == nullptr) { |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 530 | continue; |
| 531 | } else { |
| 532 | gpr_mu_unlock(&server->mu_call); |
| 533 | GRPC_STATS_INC_SERVER_CQS_CHECKED(exec_ctx, i + server->cq_count); |
| 534 | gpr_atm_no_barrier_store(&calld->state, ACTIVATED); |
| 535 | publish_call(exec_ctx, server, calld, cq_idx, rc); |
| 536 | return; /* early out */ |
| 537 | } |
| 538 | } |
| 539 | |
| 540 | gpr_atm_no_barrier_store(&calld->state, PENDING); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 541 | if (rm->pending_head == nullptr) { |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 542 | rm->pending_tail = rm->pending_head = calld; |
| 543 | } else { |
| 544 | rm->pending_tail->pending_next = calld; |
| 545 | rm->pending_tail = calld; |
| 546 | } |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 547 | calld->pending_next = nullptr; |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 548 | gpr_mu_unlock(&server->mu_call); |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 549 | } |
| 550 | |
| 551 | static void finish_start_new_rpc( |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 552 | grpc_exec_ctx* exec_ctx, grpc_server* server, grpc_call_element* elem, |
| 553 | request_matcher* rm, |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 554 | grpc_server_register_method_payload_handling payload_handling) { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 555 | call_data* calld = (call_data*)elem->call_data; |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 556 | |
| 557 | if (gpr_atm_acq_load(&server->shutdown_flag)) { |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 558 | gpr_atm_no_barrier_store(&calld->state, ZOMBIED); |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 559 | GRPC_CLOSURE_INIT(&calld->kill_zombie_closure, kill_zombie, elem, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 560 | grpc_schedule_on_exec_ctx); |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 561 | GRPC_CLOSURE_SCHED(exec_ctx, &calld->kill_zombie_closure, GRPC_ERROR_NONE); |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 562 | return; |
| 563 | } |
| 564 | |
Yash Tibrewal | a495220 | 2017-09-13 10:53:28 -0700 | [diff] [blame] | 565 | calld->matcher = rm; |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 566 | |
| 567 | switch (payload_handling) { |
| 568 | case GRPC_SRM_PAYLOAD_NONE: |
Craig Tiller | 48abdde | 2016-05-24 06:55:28 -0700 | [diff] [blame] | 569 | publish_new_rpc(exec_ctx, elem, GRPC_ERROR_NONE); |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 570 | break; |
| 571 | case GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER: { |
| 572 | grpc_op op; |
| 573 | memset(&op, 0, sizeof(op)); |
| 574 | op.op = GRPC_OP_RECV_MESSAGE; |
Mark D. Roth | 448c1f0 | 2017-01-25 10:44:30 -0800 | [diff] [blame] | 575 | op.data.recv_message.recv_message = &calld->payload; |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 576 | GRPC_CLOSURE_INIT(&calld->publish, publish_new_rpc, elem, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 577 | grpc_schedule_on_exec_ctx); |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 578 | grpc_call_start_batch_and_execute(exec_ctx, calld->call, &op, 1, |
| 579 | &calld->publish); |
| 580 | break; |
| 581 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 582 | } |
Craig Tiller | 04cc8be | 2015-02-10 16:11:22 -0800 | [diff] [blame] | 583 | } |
| 584 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 585 | static void start_new_rpc(grpc_exec_ctx* exec_ctx, grpc_call_element* elem) { |
| 586 | channel_data* chand = (channel_data*)elem->channel_data; |
| 587 | call_data* calld = (call_data*)elem->call_data; |
| 588 | grpc_server* server = chand->server; |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 589 | uint32_t i; |
| 590 | uint32_t hash; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 591 | channel_registered_method* rm; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 592 | |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 593 | if (chand->registered_methods && calld->path_set && calld->host_set) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 594 | /* TODO(ctiller): unify these two searches */ |
| 595 | /* check for an exact match with host */ |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 596 | hash = GRPC_MDSTR_KV_HASH(grpc_slice_hash(calld->host), |
| 597 | grpc_slice_hash(calld->path)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 598 | for (i = 0; i <= chand->registered_method_max_probes; i++) { |
| 599 | rm = &chand->registered_methods[(hash + i) % |
| 600 | chand->registered_method_slots]; |
| 601 | if (!rm) break; |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 602 | if (!rm->has_host) continue; |
| 603 | if (!grpc_slice_eq(rm->host, calld->host)) continue; |
| 604 | if (!grpc_slice_eq(rm->method, calld->path)) continue; |
Craig Tiller | b290686 | 2016-03-10 06:50:07 -0800 | [diff] [blame] | 605 | if ((rm->flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) && |
Craig Tiller | 72920cc | 2017-03-10 10:20:17 -0800 | [diff] [blame] | 606 | 0 == (calld->recv_initial_metadata_flags & |
| 607 | GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST)) { |
Craig Tiller | b290686 | 2016-03-10 06:50:07 -0800 | [diff] [blame] | 608 | continue; |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 609 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 610 | finish_start_new_rpc(exec_ctx, server, elem, |
Yash Tibrewal | a495220 | 2017-09-13 10:53:28 -0700 | [diff] [blame] | 611 | &rm->server_registered_method->matcher, |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 612 | rm->server_registered_method->payload_handling); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 613 | return; |
Craig Tiller | 04cc8be | 2015-02-10 16:11:22 -0800 | [diff] [blame] | 614 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 615 | /* check for a wildcard method definition (no host set) */ |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 616 | hash = GRPC_MDSTR_KV_HASH(0, grpc_slice_hash(calld->path)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 617 | for (i = 0; i <= chand->registered_method_max_probes; i++) { |
| 618 | rm = &chand->registered_methods[(hash + i) % |
| 619 | chand->registered_method_slots]; |
| 620 | if (!rm) break; |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 621 | if (rm->has_host) continue; |
| 622 | if (!grpc_slice_eq(rm->method, calld->path)) continue; |
Craig Tiller | b290686 | 2016-03-10 06:50:07 -0800 | [diff] [blame] | 623 | if ((rm->flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) && |
Craig Tiller | 72920cc | 2017-03-10 10:20:17 -0800 | [diff] [blame] | 624 | 0 == (calld->recv_initial_metadata_flags & |
| 625 | GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST)) { |
Craig Tiller | b290686 | 2016-03-10 06:50:07 -0800 | [diff] [blame] | 626 | continue; |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 627 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 628 | finish_start_new_rpc(exec_ctx, server, elem, |
Yash Tibrewal | a495220 | 2017-09-13 10:53:28 -0700 | [diff] [blame] | 629 | &rm->server_registered_method->matcher, |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 630 | rm->server_registered_method->payload_handling); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 631 | return; |
| 632 | } |
| 633 | } |
| 634 | finish_start_new_rpc(exec_ctx, server, elem, |
Craig Tiller | 8851269 | 2016-04-04 09:32:52 -0700 | [diff] [blame] | 635 | &server->unregistered_request_matcher, |
| 636 | GRPC_SRM_PAYLOAD_NONE); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 637 | } |
| 638 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 639 | static int num_listeners(grpc_server* server) { |
| 640 | listener* l; |
Craig Tiller | ee945e8 | 2015-05-26 16:15:34 -0700 | [diff] [blame] | 641 | int n = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 642 | for (l = server->listeners; l; l = l->next) { |
| 643 | n++; |
| 644 | } |
Craig Tiller | ee945e8 | 2015-05-26 16:15:34 -0700 | [diff] [blame] | 645 | return n; |
| 646 | } |
| 647 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 648 | static void done_shutdown_event(grpc_exec_ctx* exec_ctx, void* server, |
| 649 | grpc_cq_completion* completion) { |
| 650 | server_unref(exec_ctx, (grpc_server*)server); |
Craig Tiller | 97fc6a3 | 2015-07-08 15:31:35 -0700 | [diff] [blame] | 651 | } |
| 652 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 653 | static int num_channels(grpc_server* server) { |
| 654 | channel_data* chand; |
Craig Tiller | ab54f79 | 2015-07-08 08:34:20 -0700 | [diff] [blame] | 655 | int n = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 656 | for (chand = server->root_channel_data.next; |
| 657 | chand != &server->root_channel_data; chand = chand->next) { |
| 658 | n++; |
| 659 | } |
Craig Tiller | ab54f79 | 2015-07-08 08:34:20 -0700 | [diff] [blame] | 660 | return n; |
| 661 | } |
| 662 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 663 | static void kill_pending_work_locked(grpc_exec_ctx* exec_ctx, |
| 664 | grpc_server* server, grpc_error* error) { |
Craig Tiller | 88ef00e | 2016-05-17 09:31:49 -0700 | [diff] [blame] | 665 | if (server->started) { |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 666 | request_matcher_kill_requests(exec_ctx, server, |
Craig Tiller | 48abdde | 2016-05-24 06:55:28 -0700 | [diff] [blame] | 667 | &server->unregistered_request_matcher, |
Craig Tiller | cae4b1b | 2016-05-10 09:11:09 -0700 | [diff] [blame] | 668 | GRPC_ERROR_REF(error)); |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 669 | request_matcher_zombify_all_pending_calls( |
| 670 | exec_ctx, &server->unregistered_request_matcher); |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 671 | for (registered_method* rm = server->registered_methods; rm; |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 672 | rm = rm->next) { |
Yash Tibrewal | a495220 | 2017-09-13 10:53:28 -0700 | [diff] [blame] | 673 | request_matcher_kill_requests(exec_ctx, server, &rm->matcher, |
Craig Tiller | 48abdde | 2016-05-24 06:55:28 -0700 | [diff] [blame] | 674 | GRPC_ERROR_REF(error)); |
Yash Tibrewal | a495220 | 2017-09-13 10:53:28 -0700 | [diff] [blame] | 675 | request_matcher_zombify_all_pending_calls(exec_ctx, &rm->matcher); |
Craig Tiller | 418a821 | 2016-05-16 16:27:51 -0700 | [diff] [blame] | 676 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 677 | } |
Craig Tiller | cae4b1b | 2016-05-10 09:11:09 -0700 | [diff] [blame] | 678 | GRPC_ERROR_UNREF(error); |
Craig Tiller | dc62772 | 2015-05-26 15:27:02 -0700 | [diff] [blame] | 679 | } |
| 680 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 681 | static void maybe_finish_shutdown(grpc_exec_ctx* exec_ctx, |
| 682 | grpc_server* server) { |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 683 | size_t i; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 684 | if (!gpr_atm_acq_load(&server->shutdown_flag) || server->shutdown_published) { |
| 685 | return; |
| 686 | } |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 687 | |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 688 | kill_pending_work_locked( |
| 689 | exec_ctx, server, |
| 690 | GRPC_ERROR_CREATE_FROM_STATIC_STRING("Server Shutdown")); |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 691 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 692 | if (server->root_channel_data.next != &server->root_channel_data || |
| 693 | server->listeners_destroyed < num_listeners(server)) { |
| 694 | if (gpr_time_cmp(gpr_time_sub(gpr_now(GPR_CLOCK_REALTIME), |
| 695 | server->last_shutdown_message_time), |
| 696 | gpr_time_from_seconds(1, GPR_TIMESPAN)) >= 0) { |
| 697 | server->last_shutdown_message_time = gpr_now(GPR_CLOCK_REALTIME); |
| 698 | gpr_log(GPR_DEBUG, |
| 699 | "Waiting for %d channels and %d/%d listeners to be destroyed" |
| 700 | " before shutting down server", |
| 701 | num_channels(server), |
| 702 | num_listeners(server) - server->listeners_destroyed, |
| 703 | num_listeners(server)); |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 704 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 705 | return; |
| 706 | } |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 707 | server->shutdown_published = 1; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 708 | for (i = 0; i < server->num_shutdown_tags; i++) { |
| 709 | server_ref(server); |
| 710 | grpc_cq_end_op(exec_ctx, server->shutdown_tags[i].cq, |
Craig Tiller | f51457b | 2016-05-03 17:06:32 -0700 | [diff] [blame] | 711 | server->shutdown_tags[i].tag, GRPC_ERROR_NONE, |
| 712 | done_shutdown_event, server, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 713 | &server->shutdown_tags[i].completion); |
| 714 | } |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 715 | } |
| 716 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 717 | static void server_on_recv_initial_metadata(grpc_exec_ctx* exec_ctx, void* ptr, |
| 718 | grpc_error* error) { |
| 719 | grpc_call_element* elem = (grpc_call_element*)ptr; |
| 720 | call_data* calld = (call_data*)elem->call_data; |
Craig Tiller | 89c1428 | 2017-07-19 15:32:27 -0700 | [diff] [blame] | 721 | grpc_millis op_deadline; |
Craig Tiller | be18b8d | 2015-04-22 14:00:47 -0700 | [diff] [blame] | 722 | |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 723 | if (error == GRPC_ERROR_NONE) { |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 724 | GPR_ASSERT(calld->recv_initial_metadata->idx.named.path != nullptr); |
| 725 | GPR_ASSERT(calld->recv_initial_metadata->idx.named.authority != nullptr); |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 726 | calld->path = grpc_slice_ref_internal( |
| 727 | GRPC_MDVALUE(calld->recv_initial_metadata->idx.named.path->md)); |
| 728 | calld->host = grpc_slice_ref_internal( |
| 729 | GRPC_MDVALUE(calld->recv_initial_metadata->idx.named.authority->md)); |
| 730 | calld->path_set = true; |
| 731 | calld->host_set = true; |
| 732 | grpc_metadata_batch_remove(exec_ctx, calld->recv_initial_metadata, |
| 733 | calld->recv_initial_metadata->idx.named.path); |
| 734 | grpc_metadata_batch_remove( |
| 735 | exec_ctx, calld->recv_initial_metadata, |
| 736 | calld->recv_initial_metadata->idx.named.authority); |
| 737 | } else { |
| 738 | GRPC_ERROR_REF(error); |
| 739 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 740 | op_deadline = calld->recv_initial_metadata->deadline; |
Craig Tiller | 89c1428 | 2017-07-19 15:32:27 -0700 | [diff] [blame] | 741 | if (op_deadline != GRPC_MILLIS_INF_FUTURE) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 742 | calld->deadline = op_deadline; |
| 743 | } |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 744 | if (calld->host_set && calld->path_set) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 745 | /* do nothing */ |
| 746 | } else { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 747 | grpc_error* src_error = error; |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 748 | error = GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING( |
| 749 | "Missing :authority or :path", &error, 1); |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 750 | GRPC_ERROR_UNREF(src_error); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 751 | } |
Craig Tiller | be18b8d | 2015-04-22 14:00:47 -0700 | [diff] [blame] | 752 | |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 753 | GRPC_CLOSURE_RUN(exec_ctx, calld->on_done_recv_initial_metadata, error); |
Craig Tiller | be18b8d | 2015-04-22 14:00:47 -0700 | [diff] [blame] | 754 | } |
| 755 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 756 | static void server_mutate_op(grpc_call_element* elem, |
| 757 | grpc_transport_stream_op_batch* op) { |
| 758 | call_data* calld = (call_data*)elem->call_data; |
Craig Tiller | be18b8d | 2015-04-22 14:00:47 -0700 | [diff] [blame] | 759 | |
Craig Tiller | 72920cc | 2017-03-10 10:20:17 -0800 | [diff] [blame] | 760 | if (op->recv_initial_metadata) { |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 761 | GPR_ASSERT(op->payload->recv_initial_metadata.recv_flags == nullptr); |
Craig Tiller | 72920cc | 2017-03-10 10:20:17 -0800 | [diff] [blame] | 762 | calld->recv_initial_metadata = |
| 763 | op->payload->recv_initial_metadata.recv_initial_metadata; |
| 764 | calld->on_done_recv_initial_metadata = |
| 765 | op->payload->recv_initial_metadata.recv_initial_metadata_ready; |
| 766 | op->payload->recv_initial_metadata.recv_initial_metadata_ready = |
| 767 | &calld->server_on_recv_initial_metadata; |
| 768 | op->payload->recv_initial_metadata.recv_flags = |
| 769 | &calld->recv_initial_metadata_flags; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 770 | } |
Craig Tiller | 50d9db5 | 2015-04-23 10:52:14 -0700 | [diff] [blame] | 771 | } |
Craig Tiller | be18b8d | 2015-04-22 14:00:47 -0700 | [diff] [blame] | 772 | |
Craig Tiller | a0f3abd | 2017-03-31 15:42:16 -0700 | [diff] [blame] | 773 | static void server_start_transport_stream_op_batch( |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 774 | grpc_exec_ctx* exec_ctx, grpc_call_element* elem, |
| 775 | grpc_transport_stream_op_batch* op) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 776 | server_mutate_op(elem, op); |
| 777 | grpc_call_next_op(exec_ctx, elem, op); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 778 | } |
| 779 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 780 | static void got_initial_metadata(grpc_exec_ctx* exec_ctx, void* ptr, |
| 781 | grpc_error* error) { |
| 782 | grpc_call_element* elem = (grpc_call_element*)ptr; |
| 783 | call_data* calld = (call_data*)elem->call_data; |
Craig Tiller | f51457b | 2016-05-03 17:06:32 -0700 | [diff] [blame] | 784 | if (error == GRPC_ERROR_NONE) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 785 | start_new_rpc(exec_ctx, elem); |
| 786 | } else { |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 787 | if (gpr_atm_full_cas(&calld->state, NOT_STARTED, ZOMBIED)) { |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 788 | GRPC_CLOSURE_INIT(&calld->kill_zombie_closure, kill_zombie, elem, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 789 | grpc_schedule_on_exec_ctx); |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 790 | GRPC_CLOSURE_SCHED(exec_ctx, &calld->kill_zombie_closure, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 791 | GRPC_ERROR_NONE); |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 792 | } else if (gpr_atm_full_cas(&calld->state, PENDING, ZOMBIED)) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 793 | /* zombied call will be destroyed when it's removed from the pending |
| 794 | queue... later */ |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 795 | } |
| 796 | } |
| 797 | } |
| 798 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 799 | static void accept_stream(grpc_exec_ctx* exec_ctx, void* cd, |
| 800 | grpc_transport* transport, |
| 801 | const void* transport_server_data) { |
| 802 | channel_data* chand = (channel_data*)cd; |
Craig Tiller | e039f03 | 2015-06-25 12:54:23 -0700 | [diff] [blame] | 803 | /* create a call */ |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 804 | grpc_call_create_args args; |
| 805 | memset(&args, 0, sizeof(args)); |
| 806 | args.channel = chand->channel; |
| 807 | args.server_transport_data = transport_server_data; |
Craig Tiller | 89c1428 | 2017-07-19 15:32:27 -0700 | [diff] [blame] | 808 | args.send_deadline = GRPC_MILLIS_INF_FUTURE; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 809 | grpc_call* call; |
| 810 | grpc_error* error = grpc_call_create(exec_ctx, &args, &call); |
| 811 | grpc_call_element* elem = |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 812 | grpc_call_stack_element(grpc_call_get_call_stack(call), 0); |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 813 | if (error != GRPC_ERROR_NONE) { |
| 814 | got_initial_metadata(exec_ctx, elem, error); |
| 815 | GRPC_ERROR_UNREF(error); |
| 816 | return; |
| 817 | } |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 818 | call_data* calld = (call_data*)elem->call_data; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 819 | grpc_op op; |
| 820 | memset(&op, 0, sizeof(op)); |
| 821 | op.op = GRPC_OP_RECV_INITIAL_METADATA; |
Mark D. Roth | 448c1f0 | 2017-01-25 10:44:30 -0800 | [diff] [blame] | 822 | op.data.recv_initial_metadata.recv_initial_metadata = |
| 823 | &calld->initial_metadata; |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 824 | GRPC_CLOSURE_INIT(&calld->got_initial_metadata, got_initial_metadata, elem, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 825 | grpc_schedule_on_exec_ctx); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 826 | grpc_call_start_batch_and_execute(exec_ctx, call, &op, 1, |
| 827 | &calld->got_initial_metadata); |
Craig Tiller | e039f03 | 2015-06-25 12:54:23 -0700 | [diff] [blame] | 828 | } |
| 829 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 830 | static void channel_connectivity_changed(grpc_exec_ctx* exec_ctx, void* cd, |
| 831 | grpc_error* error) { |
| 832 | channel_data* chand = (channel_data*)cd; |
| 833 | grpc_server* server = chand->server; |
Craig Tiller | 48ed92e | 2016-06-02 11:07:12 -0700 | [diff] [blame] | 834 | if (chand->connectivity_state != GRPC_CHANNEL_SHUTDOWN) { |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 835 | grpc_transport_op* op = grpc_make_transport_op(nullptr); |
Craig Tiller | e0221ff | 2016-07-11 15:56:08 -0700 | [diff] [blame] | 836 | op->on_connectivity_state_change = &chand->channel_connectivity_changed, |
| 837 | op->connectivity_state = &chand->connectivity_state; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 838 | grpc_channel_next_op(exec_ctx, |
| 839 | grpc_channel_stack_element( |
| 840 | grpc_channel_get_channel_stack(chand->channel), 0), |
Craig Tiller | e0221ff | 2016-07-11 15:56:08 -0700 | [diff] [blame] | 841 | op); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 842 | } else { |
| 843 | gpr_mu_lock(&server->mu_global); |
Craig Tiller | 9d01848 | 2016-07-18 08:53:49 -0700 | [diff] [blame] | 844 | destroy_channel(exec_ctx, chand, GRPC_ERROR_REF(error)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 845 | gpr_mu_unlock(&server->mu_global); |
| 846 | GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, chand->channel, "connectivity"); |
| 847 | } |
Craig Tiller | e039f03 | 2015-06-25 12:54:23 -0700 | [diff] [blame] | 848 | } |
| 849 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 850 | static grpc_error* init_call_elem(grpc_exec_ctx* exec_ctx, |
| 851 | grpc_call_element* elem, |
| 852 | const grpc_call_element_args* args) { |
| 853 | call_data* calld = (call_data*)elem->call_data; |
| 854 | channel_data* chand = (channel_data*)elem->channel_data; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 855 | memset(calld, 0, sizeof(call_data)); |
Craig Tiller | 89c1428 | 2017-07-19 15:32:27 -0700 | [diff] [blame] | 856 | calld->deadline = GRPC_MILLIS_INF_FUTURE; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 857 | calld->call = grpc_call_from_top_element(elem); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 858 | |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 859 | GRPC_CLOSURE_INIT(&calld->server_on_recv_initial_metadata, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 860 | server_on_recv_initial_metadata, elem, |
| 861 | grpc_schedule_on_exec_ctx); |
Craig Tiller | 1e6facb | 2015-06-11 22:47:11 -0700 | [diff] [blame] | 862 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 863 | server_ref(chand->server); |
Mark D. Roth | 0badbe8 | 2016-06-23 10:15:12 -0700 | [diff] [blame] | 864 | return GRPC_ERROR_NONE; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 865 | } |
| 866 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 867 | static void destroy_call_elem(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, |
| 868 | const grpc_call_final_info* final_info, |
| 869 | grpc_closure* ignored) { |
| 870 | channel_data* chand = (channel_data*)elem->channel_data; |
| 871 | call_data* calld = (call_data*)elem->call_data; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 872 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 873 | GPR_ASSERT(calld->state != PENDING); |
Craig Tiller | 092d8d1 | 2015-07-04 22:35:00 -0700 | [diff] [blame] | 874 | |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 875 | if (calld->host_set) { |
| 876 | grpc_slice_unref_internal(exec_ctx, calld->host); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 877 | } |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 878 | if (calld->path_set) { |
| 879 | grpc_slice_unref_internal(exec_ctx, calld->path); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 880 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 881 | grpc_metadata_array_destroy(&calld->initial_metadata); |
yang-g | 2b8b748 | 2017-06-23 17:07:54 -0700 | [diff] [blame] | 882 | grpc_byte_buffer_destroy(calld->payload); |
Craig Tiller | 4df31a6 | 2015-01-30 09:44:31 -0800 | [diff] [blame] | 883 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 884 | server_unref(exec_ctx, chand->server); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 885 | } |
| 886 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 887 | static grpc_error* init_channel_elem(grpc_exec_ctx* exec_ctx, |
| 888 | grpc_channel_element* elem, |
| 889 | grpc_channel_element_args* args) { |
| 890 | channel_data* chand = (channel_data*)elem->channel_data; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 891 | GPR_ASSERT(args->is_first); |
| 892 | GPR_ASSERT(!args->is_last); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 893 | chand->server = nullptr; |
| 894 | chand->channel = nullptr; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 895 | chand->next = chand->prev = chand; |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 896 | chand->registered_methods = nullptr; |
Craig Tiller | e039f03 | 2015-06-25 12:54:23 -0700 | [diff] [blame] | 897 | chand->connectivity_state = GRPC_CHANNEL_IDLE; |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 898 | GRPC_CLOSURE_INIT(&chand->channel_connectivity_changed, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 899 | channel_connectivity_changed, chand, |
| 900 | grpc_schedule_on_exec_ctx); |
Mark D. Roth | 5e2566e | 2016-11-18 10:53:13 -0800 | [diff] [blame] | 901 | return GRPC_ERROR_NONE; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 902 | } |
| 903 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 904 | static void destroy_channel_elem(grpc_exec_ctx* exec_ctx, |
| 905 | grpc_channel_element* elem) { |
Craig Tiller | ec3257c | 2015-02-12 15:59:43 -0800 | [diff] [blame] | 906 | size_t i; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 907 | channel_data* chand = (channel_data*)elem->channel_data; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 908 | if (chand->registered_methods) { |
| 909 | for (i = 0; i < chand->registered_method_slots; i++) { |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 910 | grpc_slice_unref_internal(exec_ctx, chand->registered_methods[i].method); |
| 911 | if (chand->registered_methods[i].has_host) { |
| 912 | grpc_slice_unref_internal(exec_ctx, chand->registered_methods[i].host); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 913 | } |
Craig Tiller | ec3257c | 2015-02-12 15:59:43 -0800 | [diff] [blame] | 914 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 915 | gpr_free(chand->registered_methods); |
| 916 | } |
| 917 | if (chand->server) { |
| 918 | gpr_mu_lock(&chand->server->mu_global); |
| 919 | chand->next->prev = chand->prev; |
| 920 | chand->prev->next = chand->next; |
| 921 | chand->next = chand->prev = chand; |
| 922 | maybe_finish_shutdown(exec_ctx, chand->server); |
| 923 | gpr_mu_unlock(&chand->server->mu_global); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 924 | server_unref(exec_ctx, chand->server); |
| 925 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 926 | } |
| 927 | |
Craig Tiller | 178edfa | 2016-02-17 20:54:46 -0800 | [diff] [blame] | 928 | const grpc_channel_filter grpc_server_top_filter = { |
Craig Tiller | a0f3abd | 2017-03-31 15:42:16 -0700 | [diff] [blame] | 929 | server_start_transport_stream_op_batch, |
Craig Tiller | f40df23 | 2016-03-25 13:38:14 -0700 | [diff] [blame] | 930 | grpc_channel_next_op, |
| 931 | sizeof(call_data), |
| 932 | init_call_elem, |
David Garcia Quintas | 4afce7e | 2016-04-18 16:25:17 -0700 | [diff] [blame] | 933 | grpc_call_stack_ignore_set_pollset_or_pollset_set, |
Craig Tiller | f40df23 | 2016-03-25 13:38:14 -0700 | [diff] [blame] | 934 | destroy_call_elem, |
| 935 | sizeof(channel_data), |
| 936 | init_channel_elem, |
| 937 | destroy_channel_elem, |
Mark D. Roth | b2d2488 | 2016-10-27 15:44:07 -0700 | [diff] [blame] | 938 | grpc_channel_next_get_info, |
Craig Tiller | f40df23 | 2016-03-25 13:38:14 -0700 | [diff] [blame] | 939 | "server", |
Craig Tiller | 9f28ac2 | 2015-01-27 17:01:29 -0800 | [diff] [blame] | 940 | }; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 941 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 942 | static void register_completion_queue(grpc_server* server, |
| 943 | grpc_completion_queue* cq, |
| 944 | void* reserved) { |
Craig Tiller | 20bc56d | 2015-02-12 09:02:56 -0800 | [diff] [blame] | 945 | size_t i, n; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 946 | GPR_ASSERT(!reserved); |
| 947 | for (i = 0; i < server->cq_count; i++) { |
| 948 | if (server->cqs[i] == cq) return; |
| 949 | } |
Sree Kuchibhotla | 1f5e262 | 2016-04-21 12:28:09 -0700 | [diff] [blame] | 950 | |
Craig Tiller | 509b30e | 2016-05-21 12:32:39 -0700 | [diff] [blame] | 951 | GRPC_CQ_INTERNAL_REF(cq, "server"); |
Craig Tiller | 20bc56d | 2015-02-12 09:02:56 -0800 | [diff] [blame] | 952 | n = server->cq_count++; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 953 | server->cqs = (grpc_completion_queue**)gpr_realloc( |
| 954 | server->cqs, server->cq_count * sizeof(grpc_completion_queue*)); |
Craig Tiller | 20bc56d | 2015-02-12 09:02:56 -0800 | [diff] [blame] | 955 | server->cqs[n] = cq; |
| 956 | } |
| 957 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 958 | void grpc_server_register_completion_queue(grpc_server* server, |
| 959 | grpc_completion_queue* cq, |
| 960 | void* reserved) { |
Sree Kuchibhotla | 1f5e262 | 2016-04-21 12:28:09 -0700 | [diff] [blame] | 961 | GRPC_API_TRACE( |
| 962 | "grpc_server_register_completion_queue(server=%p, cq=%p, reserved=%p)", 3, |
| 963 | (server, cq, reserved)); |
Sree Kuchibhotla | 321881d | 2017-02-27 11:25:28 -0800 | [diff] [blame] | 964 | |
| 965 | if (grpc_get_cq_completion_type(cq) != GRPC_CQ_NEXT) { |
Sree Kuchibhotla | e7e38da | 2017-03-03 18:38:06 -0800 | [diff] [blame] | 966 | gpr_log(GPR_INFO, |
| 967 | "Completion queue which is not of type GRPC_CQ_NEXT is being " |
| 968 | "registered as a server-completion-queue"); |
| 969 | /* Ideally we should log an error and abort but ruby-wrapped-language API |
| 970 | calls grpc_completion_queue_pluck() on server completion queues */ |
Sree Kuchibhotla | 321881d | 2017-02-27 11:25:28 -0800 | [diff] [blame] | 971 | } |
| 972 | |
Craig Tiller | 11c5832 | 2017-04-12 08:21:17 -0700 | [diff] [blame] | 973 | register_completion_queue(server, cq, reserved); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 974 | } |
| 975 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 976 | grpc_server* grpc_server_create(const grpc_channel_args* args, void* reserved) { |
Craig Tiller | 178edfa | 2016-02-17 20:54:46 -0800 | [diff] [blame] | 977 | GRPC_API_TRACE("grpc_server_create(%p, %p)", 2, (args, reserved)); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 978 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 979 | grpc_server* server = (grpc_server*)gpr_zalloc(sizeof(grpc_server)); |
Craig Tiller | 60fd361 | 2015-03-05 16:24:22 -0800 | [diff] [blame] | 980 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 981 | gpr_mu_init(&server->mu_global); |
| 982 | gpr_mu_init(&server->mu_call); |
Craig Tiller | bd3cc40 | 2017-04-12 08:06:44 -0700 | [diff] [blame] | 983 | gpr_cv_init(&server->starting_cv); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 984 | |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 985 | /* decremented by grpc_server_destroy */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 986 | gpr_ref_init(&server->internal_refcount, 1); |
| 987 | server->root_channel_data.next = server->root_channel_data.prev = |
| 988 | &server->root_channel_data; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 989 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 990 | server->channel_args = grpc_channel_args_copy(args); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 991 | |
| 992 | return server; |
| 993 | } |
| 994 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 995 | static int streq(const char* a, const char* b) { |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 996 | if (a == nullptr && b == nullptr) return 1; |
| 997 | if (a == nullptr) return 0; |
| 998 | if (b == nullptr) return 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 999 | return 0 == strcmp(a, b); |
Craig Tiller | 24be0f7 | 2015-02-10 14:04:22 -0800 | [diff] [blame] | 1000 | } |
| 1001 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1002 | void* grpc_server_register_method( |
| 1003 | grpc_server* server, const char* method, const char* host, |
Craig Tiller | 06cb1a9 | 2016-04-04 08:10:47 -0700 | [diff] [blame] | 1004 | grpc_server_register_method_payload_handling payload_handling, |
| 1005 | uint32_t flags) { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1006 | registered_method* m; |
Craig Tiller | b290686 | 2016-03-10 06:50:07 -0800 | [diff] [blame] | 1007 | GRPC_API_TRACE( |
| 1008 | "grpc_server_register_method(server=%p, method=%s, host=%s, " |
| 1009 | "flags=0x%08x)", |
| 1010 | 4, (server, method, host, flags)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1011 | if (!method) { |
| 1012 | gpr_log(GPR_ERROR, |
| 1013 | "grpc_server_register_method method string cannot be NULL"); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1014 | return nullptr; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1015 | } |
| 1016 | for (m = server->registered_methods; m; m = m->next) { |
| 1017 | if (streq(m->method, method) && streq(m->host, host)) { |
| 1018 | gpr_log(GPR_ERROR, "duplicate registration for %s@%s", method, |
| 1019 | host ? host : "*"); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1020 | return nullptr; |
Craig Tiller | 24be0f7 | 2015-02-10 14:04:22 -0800 | [diff] [blame] | 1021 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1022 | } |
Craig Tiller | b290686 | 2016-03-10 06:50:07 -0800 | [diff] [blame] | 1023 | if ((flags & ~GRPC_INITIAL_METADATA_USED_MASK) != 0) { |
| 1024 | gpr_log(GPR_ERROR, "grpc_server_register_method invalid flags 0x%08x", |
| 1025 | flags); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1026 | return nullptr; |
Craig Tiller | b290686 | 2016-03-10 06:50:07 -0800 | [diff] [blame] | 1027 | } |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1028 | m = (registered_method*)gpr_zalloc(sizeof(registered_method)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1029 | m->method = gpr_strdup(method); |
| 1030 | m->host = gpr_strdup(host); |
Craig Tiller | 24be0f7 | 2015-02-10 14:04:22 -0800 | [diff] [blame] | 1031 | m->next = server->registered_methods; |
Craig Tiller | 5ada3d2 | 2016-04-04 08:30:59 -0700 | [diff] [blame] | 1032 | m->payload_handling = payload_handling; |
Craig Tiller | b290686 | 2016-03-10 06:50:07 -0800 | [diff] [blame] | 1033 | m->flags = flags; |
Craig Tiller | 24be0f7 | 2015-02-10 14:04:22 -0800 | [diff] [blame] | 1034 | server->registered_methods = m; |
| 1035 | return m; |
| 1036 | } |
| 1037 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1038 | static void start_listeners(grpc_exec_ctx* exec_ctx, void* s, |
| 1039 | grpc_error* error) { |
| 1040 | grpc_server* server = (grpc_server*)s; |
| 1041 | for (listener* l = server->listeners; l; l = l->next) { |
Craig Tiller | 9d9313c | 2017-04-11 15:05:46 -0700 | [diff] [blame] | 1042 | l->start(exec_ctx, server, l->arg, server->pollsets, server->pollset_count); |
| 1043 | } |
Craig Tiller | bd3cc40 | 2017-04-12 08:06:44 -0700 | [diff] [blame] | 1044 | |
| 1045 | gpr_mu_lock(&server->mu_global); |
| 1046 | server->starting = false; |
| 1047 | gpr_cv_signal(&server->starting_cv); |
| 1048 | gpr_mu_unlock(&server->mu_global); |
| 1049 | |
Craig Tiller | 9d9313c | 2017-04-11 15:05:46 -0700 | [diff] [blame] | 1050 | server_unref(exec_ctx, server); |
| 1051 | } |
| 1052 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1053 | void grpc_server_start(grpc_server* server) { |
Craig Tiller | 20bc56d | 2015-02-12 09:02:56 -0800 | [diff] [blame] | 1054 | size_t i; |
Craig Tiller | f5768a6 | 2015-09-22 10:54:34 -0700 | [diff] [blame] | 1055 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Craig Tiller | 20bc56d | 2015-02-12 09:02:56 -0800 | [diff] [blame] | 1056 | |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 1057 | GRPC_API_TRACE("grpc_server_start(server=%p)", 1, (server)); |
| 1058 | |
Craig Tiller | 88ef00e | 2016-05-17 09:31:49 -0700 | [diff] [blame] | 1059 | server->started = true; |
Craig Tiller | 1d0fce9 | 2016-10-26 08:26:22 -0700 | [diff] [blame] | 1060 | server->pollset_count = 0; |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 1061 | server->pollsets = |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1062 | (grpc_pollset**)gpr_malloc(sizeof(grpc_pollset*) * server->cq_count); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1063 | for (i = 0; i < server->cq_count; i++) { |
Craig Tiller | 11c5832 | 2017-04-12 08:21:17 -0700 | [diff] [blame] | 1064 | if (grpc_cq_can_listen(server->cqs[i])) { |
| 1065 | server->pollsets[server->pollset_count++] = |
| 1066 | grpc_cq_pollset(server->cqs[i]); |
Craig Tiller | 509b30e | 2016-05-21 12:32:39 -0700 | [diff] [blame] | 1067 | } |
Craig Tiller | db7c356 | 2016-05-19 11:02:52 -0700 | [diff] [blame] | 1068 | } |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 1069 | request_matcher_init(&server->unregistered_request_matcher, server); |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1070 | for (registered_method* rm = server->registered_methods; rm; rm = rm->next) { |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 1071 | request_matcher_init(&rm->matcher, server); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1072 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1073 | |
Craig Tiller | 9d9313c | 2017-04-11 15:05:46 -0700 | [diff] [blame] | 1074 | server_ref(server); |
Craig Tiller | bd3cc40 | 2017-04-12 08:06:44 -0700 | [diff] [blame] | 1075 | server->starting = true; |
Craig Tiller | 7a82afd | 2017-07-18 09:40:40 -0700 | [diff] [blame] | 1076 | GRPC_CLOSURE_SCHED( |
| 1077 | &exec_ctx, |
| 1078 | GRPC_CLOSURE_CREATE(start_listeners, server, |
| 1079 | grpc_executor_scheduler(GRPC_EXECUTOR_SHORT)), |
| 1080 | GRPC_ERROR_NONE); |
Craig Tiller | dfff1b8 | 2015-09-21 14:39:57 -0700 | [diff] [blame] | 1081 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1082 | grpc_exec_ctx_finish(&exec_ctx); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1083 | } |
| 1084 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1085 | void grpc_server_get_pollsets(grpc_server* server, grpc_pollset*** pollsets, |
| 1086 | size_t* pollset_count) { |
Craig Tiller | 1d0fce9 | 2016-10-26 08:26:22 -0700 | [diff] [blame] | 1087 | *pollset_count = server->pollset_count; |
Sree Kuchibhotla | cc357bf | 2016-08-22 16:08:50 -0700 | [diff] [blame] | 1088 | *pollsets = server->pollsets; |
| 1089 | } |
| 1090 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1091 | void grpc_server_setup_transport(grpc_exec_ctx* exec_ctx, grpc_server* s, |
| 1092 | grpc_transport* transport, |
| 1093 | grpc_pollset* accepting_pollset, |
| 1094 | const grpc_channel_args* args) { |
Craig Tiller | 04cc8be | 2015-02-10 16:11:22 -0800 | [diff] [blame] | 1095 | size_t num_registered_methods; |
| 1096 | size_t alloc; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1097 | registered_method* rm; |
| 1098 | channel_registered_method* crm; |
| 1099 | grpc_channel* channel; |
| 1100 | channel_data* chand; |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1101 | uint32_t hash; |
Craig Tiller | f96dfc3 | 2015-09-10 14:43:18 -0700 | [diff] [blame] | 1102 | size_t slots; |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1103 | uint32_t probes; |
| 1104 | uint32_t max_probes = 0; |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1105 | grpc_transport_op* op = nullptr; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1106 | |
Craig Tiller | be98d24 | 2017-11-10 15:26:57 -0800 | [diff] [blame] | 1107 | channel = grpc_channel_create(exec_ctx, nullptr, args, GRPC_SERVER_CHANNEL, |
| 1108 | transport); |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1109 | chand = (channel_data*)grpc_channel_stack_element( |
Craig Tiller | f40df23 | 2016-03-25 13:38:14 -0700 | [diff] [blame] | 1110 | grpc_channel_get_channel_stack(channel), 0) |
| 1111 | ->channel_data; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1112 | chand->server = s; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1113 | server_ref(s); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1114 | chand->channel = channel; |
| 1115 | |
Craig Tiller | 9f9d422 | 2016-05-16 17:02:14 -0700 | [diff] [blame] | 1116 | size_t cq_idx; |
Craig Tiller | 9f9d422 | 2016-05-16 17:02:14 -0700 | [diff] [blame] | 1117 | for (cq_idx = 0; cq_idx < s->cq_count; cq_idx++) { |
Craig Tiller | be29085 | 2017-06-01 12:42:09 -0700 | [diff] [blame] | 1118 | if (grpc_cq_pollset(s->cqs[cq_idx]) == accepting_pollset) break; |
Craig Tiller | 9f9d422 | 2016-05-16 17:02:14 -0700 | [diff] [blame] | 1119 | } |
| 1120 | if (cq_idx == s->cq_count) { |
| 1121 | /* completion queue not found: pick a random one to publish new calls to */ |
| 1122 | cq_idx = (size_t)rand() % s->cq_count; |
| 1123 | } |
| 1124 | chand->cq_idx = cq_idx; |
| 1125 | |
Craig Tiller | 04cc8be | 2015-02-10 16:11:22 -0800 | [diff] [blame] | 1126 | num_registered_methods = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1127 | for (rm = s->registered_methods; rm; rm = rm->next) { |
| 1128 | num_registered_methods++; |
| 1129 | } |
Craig Tiller | 04cc8be | 2015-02-10 16:11:22 -0800 | [diff] [blame] | 1130 | /* build a lookup table phrased in terms of mdstr's in this channels context |
| 1131 | to quickly find registered methods */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1132 | if (num_registered_methods > 0) { |
| 1133 | slots = 2 * num_registered_methods; |
| 1134 | alloc = sizeof(channel_registered_method) * slots; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1135 | chand->registered_methods = (channel_registered_method*)gpr_zalloc(alloc); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1136 | for (rm = s->registered_methods; rm; rm = rm->next) { |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 1137 | grpc_slice host; |
| 1138 | bool has_host; |
| 1139 | grpc_slice method; |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1140 | if (rm->host != nullptr) { |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 1141 | host = grpc_slice_intern(grpc_slice_from_static_string(rm->host)); |
| 1142 | has_host = true; |
| 1143 | } else { |
| 1144 | has_host = false; |
| 1145 | } |
| 1146 | method = grpc_slice_intern(grpc_slice_from_static_string(rm->method)); |
| 1147 | hash = GRPC_MDSTR_KV_HASH(has_host ? grpc_slice_hash(host) : 0, |
| 1148 | grpc_slice_hash(method)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1149 | for (probes = 0; chand->registered_methods[(hash + probes) % slots] |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1150 | .server_registered_method != nullptr; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1151 | probes++) |
| 1152 | ; |
| 1153 | if (probes > max_probes) max_probes = probes; |
| 1154 | crm = &chand->registered_methods[(hash + probes) % slots]; |
| 1155 | crm->server_registered_method = rm; |
Craig Tiller | b290686 | 2016-03-10 06:50:07 -0800 | [diff] [blame] | 1156 | crm->flags = rm->flags; |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 1157 | crm->has_host = has_host; |
Eduardo Caceres | a2b0e56 | 2017-02-21 20:33:40 +0100 | [diff] [blame] | 1158 | if (has_host) { |
Eduardo Cáceres de la Calle | ca46879 | 2017-02-20 18:42:17 +0100 | [diff] [blame] | 1159 | crm->host = host; |
| 1160 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1161 | crm->method = method; |
Craig Tiller | 04cc8be | 2015-02-10 16:11:22 -0800 | [diff] [blame] | 1162 | } |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1163 | GPR_ASSERT(slots <= UINT32_MAX); |
| 1164 | chand->registered_method_slots = (uint32_t)slots; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1165 | chand->registered_method_max_probes = max_probes; |
| 1166 | } |
Craig Tiller | 04cc8be | 2015-02-10 16:11:22 -0800 | [diff] [blame] | 1167 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1168 | gpr_mu_lock(&s->mu_global); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1169 | chand->next = &s->root_channel_data; |
| 1170 | chand->prev = chand->next->prev; |
| 1171 | chand->next->prev = chand->prev->next = chand; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1172 | gpr_mu_unlock(&s->mu_global); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1173 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1174 | GRPC_CHANNEL_INTERNAL_REF(channel, "connectivity"); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1175 | op = grpc_make_transport_op(nullptr); |
Craig Tiller | e0221ff | 2016-07-11 15:56:08 -0700 | [diff] [blame] | 1176 | op->set_accept_stream = true; |
| 1177 | op->set_accept_stream_fn = accept_stream; |
| 1178 | op->set_accept_stream_user_data = chand; |
| 1179 | op->on_connectivity_state_change = &chand->channel_connectivity_changed; |
| 1180 | op->connectivity_state = &chand->connectivity_state; |
Craig Tiller | 804ff71 | 2016-05-05 16:25:40 -0700 | [diff] [blame] | 1181 | if (gpr_atm_acq_load(&s->shutdown_flag) != 0) { |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 1182 | op->disconnect_with_error = |
| 1183 | GRPC_ERROR_CREATE_FROM_STATIC_STRING("Server shutdown"); |
Craig Tiller | 804ff71 | 2016-05-05 16:25:40 -0700 | [diff] [blame] | 1184 | } |
Craig Tiller | e0221ff | 2016-07-11 15:56:08 -0700 | [diff] [blame] | 1185 | grpc_transport_perform_op(exec_ctx, transport, op); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1186 | } |
| 1187 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1188 | void done_published_shutdown(grpc_exec_ctx* exec_ctx, void* done_arg, |
| 1189 | grpc_cq_completion* storage) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1190 | (void)done_arg; |
| 1191 | gpr_free(storage); |
murgatroid99 | 00a3dab | 2015-08-19 11:15:38 -0700 | [diff] [blame] | 1192 | } |
| 1193 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1194 | static void listener_destroy_done(grpc_exec_ctx* exec_ctx, void* s, |
| 1195 | grpc_error* error) { |
| 1196 | grpc_server* server = (grpc_server*)s; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1197 | gpr_mu_lock(&server->mu_global); |
Craig Tiller | dfff1b8 | 2015-09-21 14:39:57 -0700 | [diff] [blame] | 1198 | server->listeners_destroyed++; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1199 | maybe_finish_shutdown(exec_ctx, server); |
| 1200 | gpr_mu_unlock(&server->mu_global); |
Craig Tiller | dfff1b8 | 2015-09-21 14:39:57 -0700 | [diff] [blame] | 1201 | } |
| 1202 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1203 | void grpc_server_shutdown_and_notify(grpc_server* server, |
| 1204 | grpc_completion_queue* cq, void* tag) { |
| 1205 | listener* l; |
| 1206 | shutdown_tag* sdt; |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 1207 | channel_broadcaster broadcaster; |
Craig Tiller | f5768a6 | 2015-09-22 10:54:34 -0700 | [diff] [blame] | 1208 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1209 | |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 1210 | GRPC_API_TRACE("grpc_server_shutdown_and_notify(server=%p, cq=%p, tag=%p)", 3, |
| 1211 | (server, cq, tag)); |
| 1212 | |
Craig Tiller | bd3cc40 | 2017-04-12 08:06:44 -0700 | [diff] [blame] | 1213 | /* wait for startup to be finished: locks mu_global */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1214 | gpr_mu_lock(&server->mu_global); |
Craig Tiller | bd3cc40 | 2017-04-12 08:06:44 -0700 | [diff] [blame] | 1215 | while (server->starting) { |
| 1216 | gpr_cv_wait(&server->starting_cv, &server->mu_global, |
| 1217 | gpr_inf_future(GPR_CLOCK_REALTIME)); |
| 1218 | } |
| 1219 | |
| 1220 | /* stay locked, and gather up some stuff to do */ |
yang-g | 7d6b914 | 2017-07-13 11:48:56 -0700 | [diff] [blame] | 1221 | GPR_ASSERT(grpc_cq_begin_op(cq, tag)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1222 | if (server->shutdown_published) { |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1223 | grpc_cq_end_op(&exec_ctx, cq, tag, GRPC_ERROR_NONE, done_published_shutdown, |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1224 | nullptr, |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1225 | (grpc_cq_completion*)gpr_malloc(sizeof(grpc_cq_completion))); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1226 | gpr_mu_unlock(&server->mu_global); |
| 1227 | goto done; |
| 1228 | } |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1229 | server->shutdown_tags = (shutdown_tag*)gpr_realloc( |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 1230 | server->shutdown_tags, |
| 1231 | sizeof(shutdown_tag) * (server->num_shutdown_tags + 1)); |
Craig Tiller | bce999f | 2015-05-27 09:55:51 -0700 | [diff] [blame] | 1232 | sdt = &server->shutdown_tags[server->num_shutdown_tags++]; |
| 1233 | sdt->tag = tag; |
| 1234 | sdt->cq = cq; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1235 | if (gpr_atm_acq_load(&server->shutdown_flag)) { |
| 1236 | gpr_mu_unlock(&server->mu_global); |
| 1237 | goto done; |
| 1238 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1239 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1240 | server->last_shutdown_message_time = gpr_now(GPR_CLOCK_REALTIME); |
Craig Tiller | ab54f79 | 2015-07-08 08:34:20 -0700 | [diff] [blame] | 1241 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1242 | channel_broadcaster_init(server, &broadcaster); |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 1243 | |
Craig Tiller | fc193e1 | 2015-09-24 15:29:03 -0700 | [diff] [blame] | 1244 | gpr_atm_rel_store(&server->shutdown_flag, 1); |
| 1245 | |
Craig Tiller | bd21757 | 2015-02-11 18:10:56 -0800 | [diff] [blame] | 1246 | /* collect all unregistered then registered calls */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1247 | gpr_mu_lock(&server->mu_call); |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 1248 | kill_pending_work_locked( |
| 1249 | &exec_ctx, server, |
| 1250 | GRPC_ERROR_CREATE_FROM_STATIC_STRING("Server Shutdown")); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1251 | gpr_mu_unlock(&server->mu_call); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1252 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1253 | maybe_finish_shutdown(&exec_ctx, server); |
| 1254 | gpr_mu_unlock(&server->mu_global); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1255 | |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1256 | /* Shutdown listeners */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1257 | for (l = server->listeners; l; l = l->next) { |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 1258 | GRPC_CLOSURE_INIT(&l->destroy_done, listener_destroy_done, server, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 1259 | grpc_schedule_on_exec_ctx); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1260 | l->destroy(&exec_ctx, server, l->arg, &l->destroy_done); |
| 1261 | } |
Craig Tiller | ff3ae68 | 2015-06-29 17:44:04 -0700 | [diff] [blame] | 1262 | |
Mark D. Roth | 7f8db25 | 2016-06-24 08:24:15 -0700 | [diff] [blame] | 1263 | channel_broadcaster_shutdown(&exec_ctx, &broadcaster, true /* send_goaway */, |
Mark D. Roth | 89ebe55 | 2016-06-29 07:50:18 -0700 | [diff] [blame] | 1264 | GRPC_ERROR_NONE); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1265 | |
Craig Tiller | dfff1b8 | 2015-09-21 14:39:57 -0700 | [diff] [blame] | 1266 | done: |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1267 | grpc_exec_ctx_finish(&exec_ctx); |
Craig Tiller | aec96aa | 2015-04-07 14:32:15 -0700 | [diff] [blame] | 1268 | } |
| 1269 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1270 | void grpc_server_cancel_all_calls(grpc_server* server) { |
Craig Tiller | 092d8d1 | 2015-07-04 22:35:00 -0700 | [diff] [blame] | 1271 | channel_broadcaster broadcaster; |
Craig Tiller | f5768a6 | 2015-09-22 10:54:34 -0700 | [diff] [blame] | 1272 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Craig Tiller | afa2d63 | 2015-05-26 16:39:13 -0700 | [diff] [blame] | 1273 | |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 1274 | GRPC_API_TRACE("grpc_server_cancel_all_calls(server=%p)", 1, (server)); |
| 1275 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1276 | gpr_mu_lock(&server->mu_global); |
| 1277 | channel_broadcaster_init(server, &broadcaster); |
| 1278 | gpr_mu_unlock(&server->mu_global); |
Craig Tiller | afa2d63 | 2015-05-26 16:39:13 -0700 | [diff] [blame] | 1279 | |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 1280 | channel_broadcaster_shutdown( |
| 1281 | &exec_ctx, &broadcaster, false /* send_goaway */, |
| 1282 | GRPC_ERROR_CREATE_FROM_STATIC_STRING("Cancelling all calls")); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1283 | grpc_exec_ctx_finish(&exec_ctx); |
Craig Tiller | afa2d63 | 2015-05-26 16:39:13 -0700 | [diff] [blame] | 1284 | } |
| 1285 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1286 | void grpc_server_destroy(grpc_server* server) { |
| 1287 | listener* l; |
Craig Tiller | f5768a6 | 2015-09-22 10:54:34 -0700 | [diff] [blame] | 1288 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Craig Tiller | 872af02 | 2015-04-24 15:57:52 -0700 | [diff] [blame] | 1289 | |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 1290 | GRPC_API_TRACE("grpc_server_destroy(server=%p)", 1, (server)); |
| 1291 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1292 | gpr_mu_lock(&server->mu_global); |
| 1293 | GPR_ASSERT(gpr_atm_acq_load(&server->shutdown_flag) || !server->listeners); |
| 1294 | GPR_ASSERT(server->listeners_destroyed == num_listeners(server)); |
Craig Tiller | aec96aa | 2015-04-07 14:32:15 -0700 | [diff] [blame] | 1295 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1296 | while (server->listeners) { |
| 1297 | l = server->listeners; |
| 1298 | server->listeners = l->next; |
| 1299 | gpr_free(l); |
| 1300 | } |
Craig Tiller | aec96aa | 2015-04-07 14:32:15 -0700 | [diff] [blame] | 1301 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1302 | gpr_mu_unlock(&server->mu_global); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1303 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1304 | server_unref(&exec_ctx, server); |
| 1305 | grpc_exec_ctx_finish(&exec_ctx); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1306 | } |
| 1307 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1308 | void grpc_server_add_listener( |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1309 | grpc_exec_ctx* exec_ctx, grpc_server* server, void* arg, |
| 1310 | void (*start)(grpc_exec_ctx* exec_ctx, grpc_server* server, void* arg, |
| 1311 | grpc_pollset** pollsets, size_t pollset_count), |
| 1312 | void (*destroy)(grpc_exec_ctx* exec_ctx, grpc_server* server, void* arg, |
| 1313 | grpc_closure* on_done)) { |
| 1314 | listener* l = (listener*)gpr_malloc(sizeof(listener)); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1315 | l->arg = arg; |
| 1316 | l->start = start; |
| 1317 | l->destroy = destroy; |
| 1318 | l->next = server->listeners; |
| 1319 | server->listeners = l; |
| 1320 | } |
| 1321 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1322 | static grpc_call_error queue_call_request(grpc_exec_ctx* exec_ctx, |
| 1323 | grpc_server* server, size_t cq_idx, |
| 1324 | requested_call* rc) { |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1325 | call_data* calld = nullptr; |
| 1326 | request_matcher* rm = nullptr; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1327 | if (gpr_atm_acq_load(&server->shutdown_flag)) { |
Craig Tiller | 48abdde | 2016-05-24 06:55:28 -0700 | [diff] [blame] | 1328 | fail_call(exec_ctx, server, cq_idx, rc, |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 1329 | GRPC_ERROR_CREATE_FROM_STATIC_STRING("Server Shutdown")); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1330 | return GRPC_CALL_OK; |
| 1331 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1332 | switch (rc->type) { |
Craig Tiller | 04cc8be | 2015-02-10 16:11:22 -0800 | [diff] [blame] | 1333 | case BATCH_CALL: |
Craig Tiller | b9d3596 | 2015-09-11 13:31:16 -0700 | [diff] [blame] | 1334 | rm = &server->unregistered_request_matcher; |
Craig Tiller | 04cc8be | 2015-02-10 16:11:22 -0800 | [diff] [blame] | 1335 | break; |
| 1336 | case REGISTERED_CALL: |
Yash Tibrewal | a495220 | 2017-09-13 10:53:28 -0700 | [diff] [blame] | 1337 | rm = &rc->data.registered.method->matcher; |
Craig Tiller | 04cc8be | 2015-02-10 16:11:22 -0800 | [diff] [blame] | 1338 | break; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1339 | } |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 1340 | if (gpr_locked_mpscq_push(&rm->requests_per_cq[cq_idx], &rc->request_link)) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1341 | /* this was the first queued request: we need to lock and start |
| 1342 | matching calls */ |
| 1343 | gpr_mu_lock(&server->mu_call); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1344 | while ((calld = rm->pending_head) != nullptr) { |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 1345 | rc = (requested_call*)gpr_locked_mpscq_pop(&rm->requests_per_cq[cq_idx]); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1346 | if (rc == nullptr) break; |
Craig Tiller | b9d3596 | 2015-09-11 13:31:16 -0700 | [diff] [blame] | 1347 | rm->pending_head = calld->pending_next; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1348 | gpr_mu_unlock(&server->mu_call); |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 1349 | if (!gpr_atm_full_cas(&calld->state, PENDING, ACTIVATED)) { |
| 1350 | // Zombied Call |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 1351 | GRPC_CLOSURE_INIT( |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1352 | &calld->kill_zombie_closure, kill_zombie, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 1353 | grpc_call_stack_element(grpc_call_get_call_stack(calld->call), 0), |
| 1354 | grpc_schedule_on_exec_ctx); |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 1355 | GRPC_CLOSURE_SCHED(exec_ctx, &calld->kill_zombie_closure, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 1356 | GRPC_ERROR_NONE); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1357 | } else { |
Ken Payson | e153357 | 2017-11-07 11:27:02 -0800 | [diff] [blame] | 1358 | publish_call(exec_ctx, server, calld, cq_idx, rc); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1359 | } |
| 1360 | gpr_mu_lock(&server->mu_call); |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 1361 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1362 | gpr_mu_unlock(&server->mu_call); |
| 1363 | } |
Craig Tiller | 6a006ce | 2015-07-13 16:25:40 -0700 | [diff] [blame] | 1364 | return GRPC_CALL_OK; |
Craig Tiller | cce17ac | 2015-01-20 09:29:28 -0800 | [diff] [blame] | 1365 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1366 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1367 | grpc_call_error grpc_server_request_call( |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1368 | grpc_server* server, grpc_call** call, grpc_call_details* details, |
| 1369 | grpc_metadata_array* initial_metadata, |
| 1370 | grpc_completion_queue* cq_bound_to_call, |
| 1371 | grpc_completion_queue* cq_for_notification, void* tag) { |
Craig Tiller | dfff1b8 | 2015-09-21 14:39:57 -0700 | [diff] [blame] | 1372 | grpc_call_error error; |
Craig Tiller | f5768a6 | 2015-09-22 10:54:34 -0700 | [diff] [blame] | 1373 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1374 | requested_call* rc = (requested_call*)gpr_malloc(sizeof(*rc)); |
Craig Tiller | 561dc32 | 2017-09-05 13:00:46 -0700 | [diff] [blame] | 1375 | GRPC_STATS_INC_SERVER_REQUESTED_CALLS(&exec_ctx); |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 1376 | GRPC_API_TRACE( |
| 1377 | "grpc_server_request_call(" |
Craig Tiller | 4de3e4f | 2015-10-05 08:55:50 -0700 | [diff] [blame] | 1378 | "server=%p, call=%p, details=%p, initial_metadata=%p, " |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1379 | "cq_bound_to_call=%p, cq_for_notification=%p, tag=%p)", |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1380 | 7, |
| 1381 | (server, call, details, initial_metadata, cq_bound_to_call, |
| 1382 | cq_for_notification, tag)); |
Craig Tiller | 9f9d422 | 2016-05-16 17:02:14 -0700 | [diff] [blame] | 1383 | size_t cq_idx; |
| 1384 | for (cq_idx = 0; cq_idx < server->cq_count; cq_idx++) { |
| 1385 | if (server->cqs[cq_idx] == cq_for_notification) { |
| 1386 | break; |
| 1387 | } |
| 1388 | } |
| 1389 | if (cq_idx == server->cq_count) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1390 | gpr_free(rc); |
| 1391 | error = GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE; |
| 1392 | goto done; |
| 1393 | } |
yang-g | 7d6b914 | 2017-07-13 11:48:56 -0700 | [diff] [blame] | 1394 | if (grpc_cq_begin_op(cq_for_notification, tag) == false) { |
yang-g | 0eaf7de | 2017-07-05 16:50:51 -0700 | [diff] [blame] | 1395 | gpr_free(rc); |
| 1396 | error = GRPC_CALL_ERROR_COMPLETION_QUEUE_SHUTDOWN; |
| 1397 | goto done; |
| 1398 | } |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1399 | details->reserved = nullptr; |
Craig Tiller | b19dbea | 2016-07-12 15:33:11 -0700 | [diff] [blame] | 1400 | rc->cq_idx = cq_idx; |
Craig Tiller | 97fc6a3 | 2015-07-08 15:31:35 -0700 | [diff] [blame] | 1401 | rc->type = BATCH_CALL; |
Craig Tiller | 6a006ce | 2015-07-13 16:25:40 -0700 | [diff] [blame] | 1402 | rc->server = server; |
Craig Tiller | 97fc6a3 | 2015-07-08 15:31:35 -0700 | [diff] [blame] | 1403 | rc->tag = tag; |
| 1404 | rc->cq_bound_to_call = cq_bound_to_call; |
Craig Tiller | 97fc6a3 | 2015-07-08 15:31:35 -0700 | [diff] [blame] | 1405 | rc->call = call; |
| 1406 | rc->data.batch.details = details; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1407 | rc->initial_metadata = initial_metadata; |
Craig Tiller | 9f9d422 | 2016-05-16 17:02:14 -0700 | [diff] [blame] | 1408 | error = queue_call_request(&exec_ctx, server, cq_idx, rc); |
Craig Tiller | dfff1b8 | 2015-09-21 14:39:57 -0700 | [diff] [blame] | 1409 | done: |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1410 | grpc_exec_ctx_finish(&exec_ctx); |
Craig Tiller | dfff1b8 | 2015-09-21 14:39:57 -0700 | [diff] [blame] | 1411 | return error; |
Craig Tiller | 24be0f7 | 2015-02-10 14:04:22 -0800 | [diff] [blame] | 1412 | } |
| 1413 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1414 | grpc_call_error grpc_server_request_registered_call( |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1415 | grpc_server* server, void* rmp, grpc_call** call, gpr_timespec* deadline, |
| 1416 | grpc_metadata_array* initial_metadata, grpc_byte_buffer** optional_payload, |
| 1417 | grpc_completion_queue* cq_bound_to_call, |
| 1418 | grpc_completion_queue* cq_for_notification, void* tag) { |
Craig Tiller | dfff1b8 | 2015-09-21 14:39:57 -0700 | [diff] [blame] | 1419 | grpc_call_error error; |
Craig Tiller | f5768a6 | 2015-09-22 10:54:34 -0700 | [diff] [blame] | 1420 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1421 | requested_call* rc = (requested_call*)gpr_malloc(sizeof(*rc)); |
| 1422 | registered_method* rm = (registered_method*)rmp; |
Craig Tiller | 561dc32 | 2017-09-05 13:00:46 -0700 | [diff] [blame] | 1423 | GRPC_STATS_INC_SERVER_REQUESTED_CALLS(&exec_ctx); |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 1424 | GRPC_API_TRACE( |
| 1425 | "grpc_server_request_registered_call(" |
Craig Tiller | 4de3e4f | 2015-10-05 08:55:50 -0700 | [diff] [blame] | 1426 | "server=%p, rmp=%p, call=%p, deadline=%p, initial_metadata=%p, " |
| 1427 | "optional_payload=%p, cq_bound_to_call=%p, cq_for_notification=%p, " |
| 1428 | "tag=%p)", |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1429 | 9, |
| 1430 | (server, rmp, call, deadline, initial_metadata, optional_payload, |
| 1431 | cq_bound_to_call, cq_for_notification, tag)); |
Craig Tiller | 9f9d422 | 2016-05-16 17:02:14 -0700 | [diff] [blame] | 1432 | |
| 1433 | size_t cq_idx; |
| 1434 | for (cq_idx = 0; cq_idx < server->cq_count; cq_idx++) { |
| 1435 | if (server->cqs[cq_idx] == cq_for_notification) { |
| 1436 | break; |
| 1437 | } |
| 1438 | } |
| 1439 | if (cq_idx == server->cq_count) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1440 | gpr_free(rc); |
| 1441 | error = GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE; |
| 1442 | goto done; |
| 1443 | } |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1444 | if ((optional_payload == nullptr) != |
Craig Tiller | 06cb1a9 | 2016-04-04 08:10:47 -0700 | [diff] [blame] | 1445 | (rm->payload_handling == GRPC_SRM_PAYLOAD_NONE)) { |
| 1446 | gpr_free(rc); |
| 1447 | error = GRPC_CALL_ERROR_PAYLOAD_TYPE_MISMATCH; |
| 1448 | goto done; |
| 1449 | } |
yang-g | 7d6b914 | 2017-07-13 11:48:56 -0700 | [diff] [blame] | 1450 | if (grpc_cq_begin_op(cq_for_notification, tag) == false) { |
yang-g | 0eaf7de | 2017-07-05 16:50:51 -0700 | [diff] [blame] | 1451 | gpr_free(rc); |
| 1452 | error = GRPC_CALL_ERROR_COMPLETION_QUEUE_SHUTDOWN; |
| 1453 | goto done; |
| 1454 | } |
Craig Tiller | b19dbea | 2016-07-12 15:33:11 -0700 | [diff] [blame] | 1455 | rc->cq_idx = cq_idx; |
Craig Tiller | 97fc6a3 | 2015-07-08 15:31:35 -0700 | [diff] [blame] | 1456 | rc->type = REGISTERED_CALL; |
Craig Tiller | 6a006ce | 2015-07-13 16:25:40 -0700 | [diff] [blame] | 1457 | rc->server = server; |
Craig Tiller | 97fc6a3 | 2015-07-08 15:31:35 -0700 | [diff] [blame] | 1458 | rc->tag = tag; |
| 1459 | rc->cq_bound_to_call = cq_bound_to_call; |
Craig Tiller | 97fc6a3 | 2015-07-08 15:31:35 -0700 | [diff] [blame] | 1460 | rc->call = call; |
Yash Tibrewal | a495220 | 2017-09-13 10:53:28 -0700 | [diff] [blame] | 1461 | rc->data.registered.method = rm; |
Craig Tiller | 97fc6a3 | 2015-07-08 15:31:35 -0700 | [diff] [blame] | 1462 | rc->data.registered.deadline = deadline; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1463 | rc->initial_metadata = initial_metadata; |
Craig Tiller | 97fc6a3 | 2015-07-08 15:31:35 -0700 | [diff] [blame] | 1464 | rc->data.registered.optional_payload = optional_payload; |
Craig Tiller | 9f9d422 | 2016-05-16 17:02:14 -0700 | [diff] [blame] | 1465 | error = queue_call_request(&exec_ctx, server, cq_idx, rc); |
Craig Tiller | dfff1b8 | 2015-09-21 14:39:57 -0700 | [diff] [blame] | 1466 | done: |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1467 | grpc_exec_ctx_finish(&exec_ctx); |
Craig Tiller | dfff1b8 | 2015-09-21 14:39:57 -0700 | [diff] [blame] | 1468 | return error; |
Craig Tiller | 24be0f7 | 2015-02-10 14:04:22 -0800 | [diff] [blame] | 1469 | } |
| 1470 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1471 | static void fail_call(grpc_exec_ctx* exec_ctx, grpc_server* server, |
| 1472 | size_t cq_idx, requested_call* rc, grpc_error* error) { |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1473 | *rc->call = nullptr; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1474 | rc->initial_metadata->count = 0; |
Craig Tiller | cae4b1b | 2016-05-10 09:11:09 -0700 | [diff] [blame] | 1475 | GPR_ASSERT(error != GRPC_ERROR_NONE); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1476 | |
Craig Tiller | 48abdde | 2016-05-24 06:55:28 -0700 | [diff] [blame] | 1477 | grpc_cq_end_op(exec_ctx, server->cqs[cq_idx], rc->tag, error, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1478 | done_request_event, rc, &rc->completion); |
Craig Tiller | 24be0f7 | 2015-02-10 14:04:22 -0800 | [diff] [blame] | 1479 | } |
| 1480 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1481 | const grpc_channel_args* grpc_server_get_channel_args(grpc_server* server) { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1482 | return server->channel_args; |
Craig Tiller | 190d360 | 2015-02-18 09:23:38 -0800 | [diff] [blame] | 1483 | } |
Craig Tiller | ba3c3cd | 2015-05-26 06:28:10 -0700 | [diff] [blame] | 1484 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 1485 | int grpc_server_has_open_connections(grpc_server* server) { |
Craig Tiller | ba3c3cd | 2015-05-26 06:28:10 -0700 | [diff] [blame] | 1486 | int r; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1487 | gpr_mu_lock(&server->mu_global); |
Craig Tiller | ba3c3cd | 2015-05-26 06:28:10 -0700 | [diff] [blame] | 1488 | r = server->root_channel_data.next != &server->root_channel_data; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1489 | gpr_mu_unlock(&server->mu_global); |
Craig Tiller | ba3c3cd | 2015-05-26 06:28:10 -0700 | [diff] [blame] | 1490 | return r; |
| 1491 | } |