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 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 | */ |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 18 | |
David Garcia Quintas | f74a49e | 2015-06-18 17:22:45 -0700 | [diff] [blame] | 19 | #include <assert.h> |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 20 | #include <limits.h> |
David Garcia Quintas | f74a49e | 2015-06-18 17:22:45 -0700 | [diff] [blame] | 21 | #include <stdio.h> |
| 22 | #include <stdlib.h> |
| 23 | #include <string.h> |
| 24 | |
| 25 | #include <grpc/compression.h> |
murgatroid99 | c3910ca | 2016-01-06 13:14:23 -0800 | [diff] [blame] | 26 | #include <grpc/grpc.h> |
Craig Tiller | 0f31080 | 2016-10-26 16:25:56 -0700 | [diff] [blame] | 27 | #include <grpc/slice.h> |
David Garcia Quintas | f74a49e | 2015-06-18 17:22:45 -0700 | [diff] [blame] | 28 | #include <grpc/support/alloc.h> |
| 29 | #include <grpc/support/log.h> |
| 30 | #include <grpc/support/string_util.h> |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 31 | |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 32 | #include "src/core/lib/channel/channel_stack.h" |
| 33 | #include "src/core/lib/compression/algorithm_metadata.h" |
Craig Tiller | 2808668 | 2017-07-18 14:22:19 -0700 | [diff] [blame] | 34 | #include "src/core/lib/debug/stats.h" |
Mark D. Roth | dbdf495 | 2018-01-18 11:21:12 -0800 | [diff] [blame] | 35 | #include "src/core/lib/gpr/arena.h" |
| 36 | #include "src/core/lib/gpr/string.h" |
Vijay Pai | d4d0a30 | 2018-01-25 13:24:03 -0800 | [diff] [blame] | 37 | #include "src/core/lib/gpr/useful.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 38 | #include "src/core/lib/iomgr/timer.h" |
| 39 | #include "src/core/lib/profiling/timers.h" |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 40 | #include "src/core/lib/slice/slice_internal.h" |
Craig Tiller | 0f31080 | 2016-10-26 16:25:56 -0700 | [diff] [blame] | 41 | #include "src/core/lib/slice/slice_string_helpers.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 42 | #include "src/core/lib/surface/api_trace.h" |
| 43 | #include "src/core/lib/surface/call.h" |
Yash Tibrewal | 1c9b584 | 2017-09-21 15:49:55 -0700 | [diff] [blame] | 44 | #include "src/core/lib/surface/call_test_only.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 45 | #include "src/core/lib/surface/channel.h" |
| 46 | #include "src/core/lib/surface/completion_queue.h" |
Craig Tiller | f2b5b7e | 2017-01-10 08:28:59 -0800 | [diff] [blame] | 47 | #include "src/core/lib/surface/validate_metadata.h" |
Craig Tiller | 732351f | 2016-12-13 16:40:38 -0800 | [diff] [blame] | 48 | #include "src/core/lib/transport/error_utils.h" |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 49 | #include "src/core/lib/transport/metadata.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 50 | #include "src/core/lib/transport/static_metadata.h" |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 51 | #include "src/core/lib/transport/transport.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 52 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 53 | /** The maximum number of concurrent batches possible. |
Craig Tiller | 1b01167 | 2015-07-10 10:41:44 -0700 | [diff] [blame] | 54 | Based upon the maximum number of individually queueable ops in the batch |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 55 | api: |
Craig Tiller | 1b01167 | 2015-07-10 10:41:44 -0700 | [diff] [blame] | 56 | - initial metadata send |
| 57 | - message send |
| 58 | - status/close send (depending on client/server) |
| 59 | - initial metadata recv |
| 60 | - message recv |
| 61 | - status/close recv (depending on client/server) */ |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 62 | #define MAX_CONCURRENT_BATCHES 6 |
Craig Tiller | 1b01167 | 2015-07-10 10:41:44 -0700 | [diff] [blame] | 63 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 64 | #define MAX_SEND_EXTRA_METADATA_COUNT 3 |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 65 | |
Craig Tiller | daceea8 | 2015-02-02 16:15:53 -0800 | [diff] [blame] | 66 | /* Status data for a request can come from several sources; this |
| 67 | enumerates them all, and acts as a priority sorting for which |
| 68 | status to return to the application - earlier entries override |
| 69 | later ones */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 70 | typedef enum { |
Craig Tiller | daceea8 | 2015-02-02 16:15:53 -0800 | [diff] [blame] | 71 | /* Status came from the application layer overriding whatever |
| 72 | the wire says */ |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 73 | STATUS_FROM_API_OVERRIDE = 0, |
Craig Tiller | daceea8 | 2015-02-02 16:15:53 -0800 | [diff] [blame] | 74 | /* Status came from 'the wire' - or somewhere below the surface |
| 75 | layer */ |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 76 | STATUS_FROM_WIRE, |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 77 | /* Status was created by some internal channel stack operation: must come via |
| 78 | add_batch_error */ |
Craig Tiller | 2aa03df | 2016-03-16 08:24:55 -0700 | [diff] [blame] | 79 | STATUS_FROM_CORE, |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 80 | /* Status was created by some surface error */ |
| 81 | STATUS_FROM_SURFACE, |
Craig Tiller | aea081f | 2015-06-11 14:19:33 -0700 | [diff] [blame] | 82 | /* Status came from the server sending status */ |
| 83 | STATUS_FROM_SERVER_STATUS, |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 84 | STATUS_SOURCE_COUNT |
| 85 | } status_source; |
| 86 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 87 | typedef struct { |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 88 | bool is_set; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 89 | grpc_error* error; |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 90 | } received_status; |
| 91 | |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 92 | static gpr_atm pack_received_status(received_status r) { |
| 93 | return r.is_set ? (1 | (gpr_atm)r.error) : 0; |
| 94 | } |
| 95 | |
| 96 | static received_status unpack_received_status(gpr_atm atm) { |
Yash Tibrewal | d8b84a2 | 2017-09-25 13:38:03 -0700 | [diff] [blame] | 97 | if ((atm & 1) == 0) { |
| 98 | return {false, GRPC_ERROR_NONE}; |
| 99 | } else { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 100 | return {true, (grpc_error*)(atm & ~(gpr_atm)1)}; |
Yash Tibrewal | d8b84a2 | 2017-09-25 13:38:03 -0700 | [diff] [blame] | 101 | } |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 102 | } |
| 103 | |
yang-g | 23f777d | 2017-02-22 23:32:26 -0800 | [diff] [blame] | 104 | #define MAX_ERRORS_PER_BATCH 4 |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 105 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 106 | typedef struct batch_control { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 107 | grpc_call* call; |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 108 | /* Share memory for cq_completion and notify_tag as they are never needed |
| 109 | simultaneously. Each byte used in this data structure count as six bytes |
Craig Tiller | 7a8232d | 2017-04-03 10:59:42 -0700 | [diff] [blame] | 110 | per call, so any savings we can make are worthwhile, |
| 111 | |
| 112 | We use notify_tag to determine whether or not to send notification to the |
| 113 | completion queue. Once we've made that determination, we can reuse the |
| 114 | memory for cq_completion. */ |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 115 | union { |
| 116 | grpc_cq_completion cq_completion; |
| 117 | struct { |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 118 | /* Any given op indicates completion by either (a) calling a closure or |
| 119 | (b) sending a notification on the call's completion queue. If |
| 120 | \a is_closure is true, \a tag indicates a closure to be invoked; |
| 121 | otherwise, \a tag indicates the tag to be used in the notification to |
| 122 | be sent to the completion queue. */ |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 123 | void* tag; |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 124 | bool is_closure; |
| 125 | } notify_tag; |
| 126 | } completion_data; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 127 | grpc_closure start_batch; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 128 | grpc_closure finish_batch; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 129 | gpr_refcount steps_to_complete; |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 130 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 131 | grpc_error* errors[MAX_ERRORS_PER_BATCH]; |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 132 | gpr_atm num_errors; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 133 | |
Craig Tiller | a0f3abd | 2017-03-31 15:42:16 -0700 | [diff] [blame] | 134 | grpc_transport_stream_op_batch op; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 135 | } batch_control; |
| 136 | |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 137 | typedef struct { |
| 138 | gpr_mu child_list_mu; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 139 | grpc_call* first_child; |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 140 | } parent_call; |
| 141 | |
| 142 | typedef struct { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 143 | grpc_call* parent; |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 144 | /** siblings: children of the same parent form a list, and this list is |
| 145 | protected under |
| 146 | parent->mu */ |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 147 | grpc_call* sibling_next; |
| 148 | grpc_call* sibling_prev; |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 149 | } child_call; |
| 150 | |
Yuchen Zeng | 6eb505b | 2017-08-25 16:05:29 -0700 | [diff] [blame] | 151 | #define RECV_NONE ((gpr_atm)0) |
| 152 | #define RECV_INITIAL_METADATA_FIRST ((gpr_atm)1) |
| 153 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 154 | struct grpc_call { |
Craig Tiller | dd36b15 | 2017-03-31 08:27:28 -0700 | [diff] [blame] | 155 | gpr_refcount ext_ref; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 156 | gpr_arena* arena; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 157 | grpc_call_combiner call_combiner; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 158 | grpc_completion_queue* cq; |
David Garcia Quintas | 2a50dfe | 2016-05-31 15:09:12 -0700 | [diff] [blame] | 159 | grpc_polling_entity pollent; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 160 | grpc_channel* channel; |
Mark D. Roth | 3d88341 | 2016-11-07 13:42:54 -0800 | [diff] [blame] | 161 | gpr_timespec start_time; |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 162 | /* parent_call* */ gpr_atm parent_call_atm; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 163 | child_call* child; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 164 | |
Craig Tiller | e5d683c | 2015-02-03 16:37:36 -0800 | [diff] [blame] | 165 | /* client or server call */ |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 166 | bool is_client; |
Craig Tiller | dd36b15 | 2017-03-31 08:27:28 -0700 | [diff] [blame] | 167 | /** has grpc_call_unref been called */ |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 168 | bool destroy_called; |
Craig Tiller | c7df0df | 2015-08-03 08:06:50 -0700 | [diff] [blame] | 169 | /** flag indicating that cancellation is inherited */ |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 170 | bool cancellation_is_inherited; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 171 | /** which ops are in-flight */ |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 172 | bool sent_initial_metadata; |
| 173 | bool sending_message; |
| 174 | bool sent_final_op; |
| 175 | bool received_initial_metadata; |
| 176 | bool receiving_message; |
| 177 | bool requested_final_op; |
Craig Tiller | b597dcf | 2017-03-09 07:02:11 -0800 | [diff] [blame] | 178 | gpr_atm any_ops_sent_atm; |
| 179 | gpr_atm received_final_op_atm; |
yang-g | 0b6ad7d | 2015-06-25 14:39:01 -0700 | [diff] [blame] | 180 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 181 | batch_control* active_batches[MAX_CONCURRENT_BATCHES]; |
Craig Tiller | a0f3abd | 2017-03-31 15:42:16 -0700 | [diff] [blame] | 182 | grpc_transport_stream_op_batch_payload stream_op_payload; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 183 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 184 | /* first idx: is_receiving, second idx: is_trailing */ |
| 185 | grpc_metadata_batch metadata_batch[2][2]; |
Craig Tiller | ebf94bf | 2015-02-05 08:48:46 -0800 | [diff] [blame] | 186 | |
Craig Tiller | e5d683c | 2015-02-03 16:37:36 -0800 | [diff] [blame] | 187 | /* Buffered read metadata waiting to be returned to the application. |
| 188 | Element 0 is initial metadata, element 1 is trailing metadata. */ |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 189 | grpc_metadata_array* buffered_metadata[2]; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 190 | |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 191 | grpc_metadata compression_md; |
| 192 | |
| 193 | // A char* indicating the peer name. |
| 194 | gpr_atm peer_string; |
| 195 | |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 196 | /* Packed received call statuses from various sources */ |
| 197 | gpr_atm status[STATUS_SOURCE_COUNT]; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 198 | |
David Garcia Quintas | 01c4d99 | 2016-07-07 20:11:27 -0700 | [diff] [blame] | 199 | /* Call data useful used for reporting. Only valid after the call has |
| 200 | * completed */ |
| 201 | grpc_call_final_info final_info; |
Craig Tiller | 466129e | 2016-03-09 14:43:18 -0800 | [diff] [blame] | 202 | |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 203 | /* Compression algorithm for *incoming* data */ |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 204 | grpc_message_compression_algorithm incoming_message_compression_algorithm; |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 205 | /* Stream compression algorithm for *incoming* data */ |
| 206 | grpc_stream_compression_algorithm incoming_stream_compression_algorithm; |
David Garcia Quintas | e091af8 | 2015-07-15 21:37:02 -0700 | [diff] [blame] | 207 | /* Supported encodings (compression algorithms), a bitset */ |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 208 | uint32_t encodings_accepted_by_peer; |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 209 | /* Supported stream encodings (stream compression algorithms), a bitset */ |
| 210 | uint32_t stream_encodings_accepted_by_peer; |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 211 | |
Julien Boeuf | c6f8d0a | 2015-05-11 22:40:02 -0700 | [diff] [blame] | 212 | /* Contexts for various subsystems (security, tracing, ...). */ |
Julien Boeuf | 83b0297 | 2015-05-20 22:50:34 -0700 | [diff] [blame] | 213 | grpc_call_context_element context[GRPC_CONTEXT_COUNT]; |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 214 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 215 | /* for the client, extra metadata is initial metadata; for the |
| 216 | server, it's trailing metadata */ |
| 217 | grpc_linked_mdelem send_extra_metadata[MAX_SEND_EXTRA_METADATA_COUNT]; |
| 218 | int send_extra_metadata_count; |
Craig Tiller | 89c1428 | 2017-07-19 15:32:27 -0700 | [diff] [blame] | 219 | grpc_millis send_deadline; |
Craig Tiller | 6902ad2 | 2015-04-16 08:01:49 -0700 | [diff] [blame] | 220 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 221 | grpc_slice_buffer_stream sending_stream; |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 222 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 223 | grpc_byte_stream* receiving_stream; |
| 224 | grpc_byte_buffer** receiving_buffer; |
Craig Tiller | d41a4a7 | 2016-10-26 16:16:06 -0700 | [diff] [blame] | 225 | grpc_slice receiving_slice; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 226 | grpc_closure receiving_slice_ready; |
| 227 | grpc_closure receiving_stream_ready; |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 228 | grpc_closure receiving_initial_metadata_ready; |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 229 | uint32_t test_only_last_message_flags; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 230 | |
Craig Tiller | e7a1702 | 2017-03-13 10:20:38 -0700 | [diff] [blame] | 231 | grpc_closure release_call; |
| 232 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 233 | union { |
| 234 | struct { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 235 | grpc_status_code* status; |
| 236 | grpc_slice* status_details; |
ncteisen | 40737d6 | 2017-11-13 08:02:35 -0800 | [diff] [blame] | 237 | const char** error_string; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 238 | } client; |
| 239 | struct { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 240 | int* cancelled; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 241 | } server; |
| 242 | } final_op; |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 243 | |
Yuchen Zeng | 6eb505b | 2017-08-25 16:05:29 -0700 | [diff] [blame] | 244 | /* recv_state can contain one of the following values: |
| 245 | RECV_NONE : : no initial metadata and messages received |
| 246 | RECV_INITIAL_METADATA_FIRST : received initial metadata first |
| 247 | a batch_control* : received messages first |
| 248 | |
| 249 | +------1------RECV_NONE------3-----+ |
| 250 | | | |
| 251 | | | |
| 252 | v v |
| 253 | RECV_INITIAL_METADATA_FIRST receiving_stream_ready_bctlp |
| 254 | | ^ | ^ |
| 255 | | | | | |
| 256 | +-----2-----+ +-----4-----+ |
| 257 | |
| 258 | For 1, 4: See receiving_initial_metadata_ready() function |
| 259 | For 2, 3: See receiving_stream_ready() function */ |
| 260 | gpr_atm recv_state; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 261 | }; |
| 262 | |
Craig Tiller | 694580f | 2017-10-18 14:48:14 -0700 | [diff] [blame] | 263 | grpc_core::TraceFlag grpc_call_error_trace(false, "call_error"); |
| 264 | grpc_core::TraceFlag grpc_compression_trace(false, "compression"); |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 265 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 266 | #define CALL_STACK_FROM_CALL(call) ((grpc_call_stack*)((call) + 1)) |
| 267 | #define CALL_FROM_CALL_STACK(call_stack) (((grpc_call*)(call_stack)) - 1) |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 268 | #define CALL_ELEM_FROM_CALL(call, idx) \ |
| 269 | grpc_call_stack_element(CALL_STACK_FROM_CALL(call), idx) |
| 270 | #define CALL_FROM_TOP_ELEM(top_elem) \ |
| 271 | CALL_FROM_CALL_STACK(grpc_call_stack_from_top_element(top_elem)) |
| 272 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 273 | static void execute_batch(grpc_call* call, grpc_transport_stream_op_batch* op, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 274 | grpc_closure* start_batch_closure); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 275 | static void cancel_with_status(grpc_call* c, status_source source, |
| 276 | grpc_status_code status, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 277 | const char* description); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 278 | static void cancel_with_error(grpc_call* c, status_source source, |
| 279 | grpc_error* error); |
| 280 | static void destroy_call(void* call_stack, grpc_error* error); |
| 281 | static void receiving_slice_ready(void* bctlp, grpc_error* error); |
| 282 | static void get_final_status( |
| 283 | grpc_call* call, void (*set_value)(grpc_status_code code, void* user_data), |
| 284 | void* set_value_user_data, grpc_slice* details, const char** error_string); |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 285 | static void set_status_value_directly(grpc_status_code status, void* dest); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 286 | static void set_status_from_error(grpc_call* call, status_source source, |
| 287 | grpc_error* error); |
| 288 | static void process_data_after_md(batch_control* bctl); |
| 289 | static void post_batch_completion(batch_control* bctl); |
| 290 | static void add_batch_error(batch_control* bctl, grpc_error* error, |
| 291 | bool has_cancelled); |
Craig Tiller | bac4142 | 2015-05-29 16:32:28 -0700 | [diff] [blame] | 292 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 293 | static void add_init_error(grpc_error** composite, grpc_error* new_err) { |
Yash Tibrewal | 52778c4 | 2017-09-11 15:00:11 -0700 | [diff] [blame] | 294 | if (new_err == GRPC_ERROR_NONE) return; |
Craig Tiller | f4484cd | 2017-02-01 08:28:40 -0800 | [diff] [blame] | 295 | if (*composite == GRPC_ERROR_NONE) |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 296 | *composite = GRPC_ERROR_CREATE_FROM_STATIC_STRING("Call creation failed"); |
Yash Tibrewal | 52778c4 | 2017-09-11 15:00:11 -0700 | [diff] [blame] | 297 | *composite = grpc_error_add_child(*composite, new_err); |
Craig Tiller | f4484cd | 2017-02-01 08:28:40 -0800 | [diff] [blame] | 298 | } |
| 299 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 300 | void* grpc_call_arena_alloc(grpc_call* call, size_t size) { |
Craig Tiller | 5845091 | 2017-03-16 09:42:43 -0700 | [diff] [blame] | 301 | return gpr_arena_alloc(call->arena, size); |
| 302 | } |
| 303 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 304 | static parent_call* get_or_create_parent_call(grpc_call* call) { |
| 305 | parent_call* p = (parent_call*)gpr_atm_acq_load(&call->parent_call_atm); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 306 | if (p == nullptr) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 307 | p = (parent_call*)gpr_arena_alloc(call->arena, sizeof(*p)); |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 308 | gpr_mu_init(&p->child_list_mu); |
Muxi Yan | 6043006 | 2017-12-06 22:29:12 -0800 | [diff] [blame] | 309 | if (!gpr_atm_rel_cas(&call->parent_call_atm, (gpr_atm) nullptr, |
| 310 | (gpr_atm)p)) { |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 311 | gpr_mu_destroy(&p->child_list_mu); |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 312 | p = (parent_call*)gpr_atm_acq_load(&call->parent_call_atm); |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 313 | } |
| 314 | } |
| 315 | return p; |
| 316 | } |
| 317 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 318 | static parent_call* get_parent_call(grpc_call* call) { |
| 319 | return (parent_call*)gpr_atm_acq_load(&call->parent_call_atm); |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 320 | } |
| 321 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 322 | grpc_error* grpc_call_create(const grpc_call_create_args* args, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 323 | grpc_call** out_call) { |
yang-g | ce1cfea | 2018-01-31 15:59:50 -0800 | [diff] [blame] | 324 | GPR_TIMER_SCOPE("grpc_call_create", 0); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 325 | size_t i, j; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 326 | grpc_error* error = GRPC_ERROR_NONE; |
| 327 | grpc_channel_stack* channel_stack = |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 328 | grpc_channel_get_channel_stack(args->channel); |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 329 | grpc_call* call; |
Craig Tiller | 0ff222a | 2017-09-01 09:41:43 -0700 | [diff] [blame] | 330 | size_t initial_size = grpc_channel_get_call_size_estimate(args->channel); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 331 | GRPC_STATS_INC_CALL_INITIAL_SIZE(initial_size); |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 332 | gpr_arena* arena = gpr_arena_create(initial_size); |
| 333 | call = (grpc_call*)gpr_arena_alloc( |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 334 | arena, sizeof(grpc_call) + channel_stack->call_stack_size); |
Craig Tiller | dd36b15 | 2017-03-31 08:27:28 -0700 | [diff] [blame] | 335 | gpr_ref_init(&call->ext_ref, 1); |
Craig Tiller | e7a1702 | 2017-03-13 10:20:38 -0700 | [diff] [blame] | 336 | call->arena = arena; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 337 | grpc_call_combiner_init(&call->call_combiner); |
Craig Tiller | 0eaed72 | 2016-09-21 10:44:18 -0700 | [diff] [blame] | 338 | *out_call = call; |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 339 | call->channel = args->channel; |
| 340 | call->cq = args->cq; |
Mark D. Roth | 3d88341 | 2016-11-07 13:42:54 -0800 | [diff] [blame] | 341 | call->start_time = gpr_now(GPR_CLOCK_MONOTONIC); |
David Garcia Quintas | 4612337 | 2016-05-09 15:28:42 -0700 | [diff] [blame] | 342 | /* Always support no compression */ |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 343 | GPR_BITSET(&call->encodings_accepted_by_peer, GRPC_MESSAGE_COMPRESS_NONE); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 344 | call->is_client = args->server_transport_data == nullptr; |
Craig Tiller | 2808668 | 2017-07-18 14:22:19 -0700 | [diff] [blame] | 345 | if (call->is_client) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 346 | GRPC_STATS_INC_CLIENT_CALLS_CREATED(); |
Craig Tiller | 2808668 | 2017-07-18 14:22:19 -0700 | [diff] [blame] | 347 | } else { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 348 | GRPC_STATS_INC_SERVER_CALLS_CREATED(); |
Craig Tiller | 2808668 | 2017-07-18 14:22:19 -0700 | [diff] [blame] | 349 | } |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 350 | call->stream_op_payload.context = call->context; |
Craig Tiller | 4eecdde | 2016-11-14 08:21:17 -0800 | [diff] [blame] | 351 | grpc_slice path = grpc_empty_slice(); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 352 | if (call->is_client) { |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 353 | GPR_ASSERT(args->add_initial_metadata_count < |
| 354 | MAX_SEND_EXTRA_METADATA_COUNT); |
| 355 | for (i = 0; i < args->add_initial_metadata_count; i++) { |
| 356 | call->send_extra_metadata[i].md = args->add_initial_metadata[i]; |
Craig Tiller | 3b05e1d | 2016-11-21 13:46:31 -0800 | [diff] [blame] | 357 | if (grpc_slice_eq(GRPC_MDKEY(args->add_initial_metadata[i]), |
| 358 | GRPC_MDSTR_PATH)) { |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame] | 359 | path = grpc_slice_ref_internal( |
| 360 | GRPC_MDVALUE(args->add_initial_metadata[i])); |
Mark D. Roth | aa850a7 | 2016-09-26 13:38:02 -0700 | [diff] [blame] | 361 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 362 | } |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 363 | call->send_extra_metadata_count = (int)args->add_initial_metadata_count; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 364 | } else { |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 365 | GPR_ASSERT(args->add_initial_metadata_count == 0); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 366 | call->send_extra_metadata_count = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 367 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 368 | for (i = 0; i < 2; i++) { |
| 369 | for (j = 0; j < 2; j++) { |
Craig Tiller | 89c1428 | 2017-07-19 15:32:27 -0700 | [diff] [blame] | 370 | call->metadata_batch[i][j].deadline = GRPC_MILLIS_INF_FUTURE; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 371 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 372 | } |
Craig Tiller | 89c1428 | 2017-07-19 15:32:27 -0700 | [diff] [blame] | 373 | grpc_millis send_deadline = args->send_deadline; |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 374 | |
Craig Tiller | bea92ba | 2017-04-19 08:33:31 -0700 | [diff] [blame] | 375 | bool immediately_cancel = false; |
| 376 | |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 377 | if (args->parent != nullptr) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 378 | child_call* cc = call->child = |
| 379 | (child_call*)gpr_arena_alloc(arena, sizeof(child_call)); |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 380 | call->child->parent = args->parent; |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 381 | |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 382 | GRPC_CALL_INTERNAL_REF(args->parent, "child"); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 383 | GPR_ASSERT(call->is_client); |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 384 | GPR_ASSERT(!args->parent->is_client); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 385 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 386 | parent_call* pc = get_or_create_parent_call(args->parent); |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 387 | |
| 388 | gpr_mu_lock(&pc->child_list_mu); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 389 | |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 390 | if (args->propagation_mask & GRPC_PROPAGATE_DEADLINE) { |
Craig Tiller | 50448be | 2017-09-18 13:56:51 -0700 | [diff] [blame] | 391 | send_deadline = GPR_MIN(send_deadline, args->parent->send_deadline); |
Craig Tiller | c7df0df | 2015-08-03 08:06:50 -0700 | [diff] [blame] | 392 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 393 | /* for now GRPC_PROPAGATE_TRACING_CONTEXT *MUST* be passed with |
| 394 | * GRPC_PROPAGATE_STATS_CONTEXT */ |
| 395 | /* TODO(ctiller): This should change to use the appropriate census start_op |
| 396 | * call. */ |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 397 | if (args->propagation_mask & GRPC_PROPAGATE_CENSUS_TRACING_CONTEXT) { |
Craig Tiller | 239af8b | 2017-02-01 10:21:42 -0800 | [diff] [blame] | 398 | if (0 == (args->propagation_mask & GRPC_PROPAGATE_CENSUS_STATS_CONTEXT)) { |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 399 | add_init_error(&error, GRPC_ERROR_CREATE_FROM_STATIC_STRING( |
| 400 | "Census tracing propagation requested " |
| 401 | "without Census context propagation")); |
Craig Tiller | 239af8b | 2017-02-01 10:21:42 -0800 | [diff] [blame] | 402 | } |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 403 | grpc_call_context_set(call, GRPC_CONTEXT_TRACING, |
| 404 | args->parent->context[GRPC_CONTEXT_TRACING].value, |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 405 | nullptr); |
Craig Tiller | f20d307 | 2017-02-01 10:39:26 -0800 | [diff] [blame] | 406 | } else if (args->propagation_mask & GRPC_PROPAGATE_CENSUS_STATS_CONTEXT) { |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 407 | add_init_error(&error, GRPC_ERROR_CREATE_FROM_STATIC_STRING( |
| 408 | "Census context propagation requested " |
| 409 | "without Census tracing propagation")); |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 410 | } |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 411 | if (args->propagation_mask & GRPC_PROPAGATE_CANCELLATION) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 412 | call->cancellation_is_inherited = 1; |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 413 | if (gpr_atm_acq_load(&args->parent->received_final_op_atm)) { |
Craig Tiller | bea92ba | 2017-04-19 08:33:31 -0700 | [diff] [blame] | 414 | immediately_cancel = true; |
Craig Tiller | 123c72b | 2017-03-10 07:33:27 -0800 | [diff] [blame] | 415 | } |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 416 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 417 | |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 418 | if (pc->first_child == nullptr) { |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 419 | pc->first_child = call; |
| 420 | cc->sibling_next = cc->sibling_prev = call; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 421 | } else { |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 422 | cc->sibling_next = pc->first_child; |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 423 | cc->sibling_prev = pc->first_child->child->sibling_prev; |
| 424 | cc->sibling_next->child->sibling_prev = |
| 425 | cc->sibling_prev->child->sibling_next = call; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 426 | } |
| 427 | |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 428 | gpr_mu_unlock(&pc->child_list_mu); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 429 | } |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 430 | |
Mark D. Roth | 14c072c | 2016-08-26 08:31:34 -0700 | [diff] [blame] | 431 | call->send_deadline = send_deadline; |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 432 | |
Craig Tiller | ca3451d | 2016-09-29 10:27:44 -0700 | [diff] [blame] | 433 | GRPC_CHANNEL_INTERNAL_REF(args->channel, "call"); |
Craig Tiller | dd36b15 | 2017-03-31 08:27:28 -0700 | [diff] [blame] | 434 | /* initial refcount dropped by grpc_call_unref */ |
Yash Tibrewal | d8b84a2 | 2017-09-25 13:38:03 -0700 | [diff] [blame] | 435 | grpc_call_element_args call_args = {CALL_STACK_FROM_CALL(call), |
| 436 | args->server_transport_data, |
| 437 | call->context, |
| 438 | path, |
| 439 | call->start_time, |
| 440 | send_deadline, |
| 441 | call->arena, |
| 442 | &call->call_combiner}; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 443 | add_init_error(&error, grpc_call_stack_init(channel_stack, 1, destroy_call, |
| 444 | call, &call_args)); |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 445 | if (error != GRPC_ERROR_NONE) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 446 | cancel_with_error(call, STATUS_FROM_SURFACE, GRPC_ERROR_REF(error)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 447 | } |
Craig Tiller | bea92ba | 2017-04-19 08:33:31 -0700 | [diff] [blame] | 448 | if (immediately_cancel) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 449 | cancel_with_error(call, STATUS_FROM_API_OVERRIDE, GRPC_ERROR_CANCELLED); |
Craig Tiller | bea92ba | 2017-04-19 08:33:31 -0700 | [diff] [blame] | 450 | } |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 451 | if (args->cq != nullptr) { |
Muxi Yan | 6043006 | 2017-12-06 22:29:12 -0800 | [diff] [blame] | 452 | GPR_ASSERT(args->pollset_set_alternative == nullptr && |
| 453 | "Only one of 'cq' and 'pollset_set_alternative' should be " |
| 454 | "non-nullptr."); |
Craig Tiller | ca3451d | 2016-09-29 10:27:44 -0700 | [diff] [blame] | 455 | GRPC_CQ_INTERNAL_REF(args->cq, "bind"); |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 456 | call->pollent = |
Craig Tiller | ca3451d | 2016-09-29 10:27:44 -0700 | [diff] [blame] | 457 | grpc_polling_entity_create_from_pollset(grpc_cq_pollset(args->cq)); |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 458 | } |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 459 | if (args->pollset_set_alternative != nullptr) { |
Craig Tiller | ca3451d | 2016-09-29 10:27:44 -0700 | [diff] [blame] | 460 | call->pollent = grpc_polling_entity_create_from_pollset_set( |
| 461 | args->pollset_set_alternative); |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 462 | } |
| 463 | if (!grpc_polling_entity_is_empty(&call->pollent)) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 464 | grpc_call_stack_set_pollset_or_pollset_set(CALL_STACK_FROM_CALL(call), |
| 465 | &call->pollent); |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 466 | } |
| 467 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 468 | grpc_slice_unref_internal(path); |
Mark D. Roth | aa850a7 | 2016-09-26 13:38:02 -0700 | [diff] [blame] | 469 | |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 470 | return error; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 471 | } |
| 472 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 473 | void grpc_call_set_completion_queue(grpc_call* call, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 474 | grpc_completion_queue* cq) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 475 | GPR_ASSERT(cq); |
David Garcia Quintas | f72eb97 | 2016-05-03 18:28:09 -0700 | [diff] [blame] | 476 | |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 477 | if (grpc_polling_entity_pollset_set(&call->pollent) != nullptr) { |
David Garcia Quintas | f72eb97 | 2016-05-03 18:28:09 -0700 | [diff] [blame] | 478 | gpr_log(GPR_ERROR, "A pollset_set is already registered for this call."); |
| 479 | abort(); |
| 480 | } |
Craig Tiller | 166e250 | 2015-02-03 20:14:41 -0800 | [diff] [blame] | 481 | call->cq = cq; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 482 | GRPC_CQ_INTERNAL_REF(cq, "bind"); |
David Garcia Quintas | c4d5112 | 2016-06-06 14:56:02 -0700 | [diff] [blame] | 483 | call->pollent = grpc_polling_entity_create_from_pollset(grpc_cq_pollset(cq)); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 484 | grpc_call_stack_set_pollset_or_pollset_set(CALL_STACK_FROM_CALL(call), |
| 485 | &call->pollent); |
Craig Tiller | 166e250 | 2015-02-03 20:14:41 -0800 | [diff] [blame] | 486 | } |
| 487 | |
ncteisen | 9c43fc0 | 2017-06-08 16:06:23 -0700 | [diff] [blame] | 488 | #ifndef NDEBUG |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 489 | #define REF_REASON reason |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 490 | #define REF_ARG , const char* reason |
Craig Tiller | 4df412b | 2015-04-28 07:57:54 -0700 | [diff] [blame] | 491 | #else |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 492 | #define REF_REASON "" |
| 493 | #define REF_ARG |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 494 | #endif |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 495 | void grpc_call_internal_ref(grpc_call* c REF_ARG) { |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 496 | GRPC_CALL_STACK_REF(CALL_STACK_FROM_CALL(c), REF_REASON); |
| 497 | } |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 498 | void grpc_call_internal_unref(grpc_call* c REF_ARG) { |
| 499 | GRPC_CALL_STACK_UNREF(CALL_STACK_FROM_CALL(c), REF_REASON); |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 500 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 501 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 502 | static void release_call(void* call, grpc_error* error) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 503 | grpc_call* c = (grpc_call*)call; |
| 504 | grpc_channel* channel = c->channel; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 505 | grpc_call_combiner_destroy(&c->call_combiner); |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 506 | gpr_free((char*)c->peer_string); |
Craig Tiller | dbad370 | 2017-03-15 08:21:19 -0700 | [diff] [blame] | 507 | grpc_channel_update_call_size_estimate(channel, gpr_arena_destroy(c->arena)); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 508 | GRPC_CHANNEL_INTERNAL_UNREF(channel, "call"); |
Craig Tiller | e7a1702 | 2017-03-13 10:20:38 -0700 | [diff] [blame] | 509 | } |
| 510 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 511 | static void set_status_value_directly(grpc_status_code status, void* dest); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 512 | static void destroy_call(void* call, grpc_error* error) { |
yang-g | ce1cfea | 2018-01-31 15:59:50 -0800 | [diff] [blame] | 513 | GPR_TIMER_SCOPE("destroy_call", 0); |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 514 | size_t i; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 515 | int ii; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 516 | grpc_call* c = (grpc_call*)call; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 517 | for (i = 0; i < 2; i++) { |
| 518 | grpc_metadata_batch_destroy( |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 519 | &c->metadata_batch[1 /* is_receiving */][i /* is_initial */]); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 520 | } |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 521 | if (c->receiving_stream != nullptr) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 522 | grpc_byte_stream_destroy(c->receiving_stream); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 523 | } |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 524 | parent_call* pc = get_parent_call(c); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 525 | if (pc != nullptr) { |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 526 | gpr_mu_destroy(&pc->child_list_mu); |
| 527 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 528 | for (ii = 0; ii < c->send_extra_metadata_count; ii++) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 529 | GRPC_MDELEM_UNREF(c->send_extra_metadata[ii].md); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 530 | } |
| 531 | for (i = 0; i < GRPC_CONTEXT_COUNT; i++) { |
| 532 | if (c->context[i].destroy) { |
| 533 | c->context[i].destroy(c->context[i].value); |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 534 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 535 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 536 | if (c->cq) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 537 | GRPC_CQ_INTERNAL_UNREF(c->cq, "bind"); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 538 | } |
David Garcia Quintas | 01c4d99 | 2016-07-07 20:11:27 -0700 | [diff] [blame] | 539 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 540 | get_final_status(c, set_status_value_directly, &c->final_info.final_status, |
| 541 | nullptr, c->final_info.error_string); |
Mark D. Roth | 3d88341 | 2016-11-07 13:42:54 -0800 | [diff] [blame] | 542 | c->final_info.stats.latency = |
| 543 | gpr_time_sub(gpr_now(GPR_CLOCK_MONOTONIC), c->start_time); |
David Garcia Quintas | 01c4d99 | 2016-07-07 20:11:27 -0700 | [diff] [blame] | 544 | |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 545 | for (i = 0; i < STATUS_SOURCE_COUNT; i++) { |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 546 | GRPC_ERROR_UNREF( |
Craig Tiller | b597dcf | 2017-03-09 07:02:11 -0800 | [diff] [blame] | 547 | unpack_received_status(gpr_atm_acq_load(&c->status[i])).error); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 548 | } |
| 549 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 550 | grpc_call_stack_destroy(CALL_STACK_FROM_CALL(c), &c->final_info, |
ncteisen | 969b46e | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 551 | GRPC_CLOSURE_INIT(&c->release_call, release_call, c, |
Craig Tiller | e7a1702 | 2017-03-13 10:20:38 -0700 | [diff] [blame] | 552 | grpc_schedule_on_exec_ctx)); |
Craig Tiller | a454110 | 2015-01-29 11:46:11 -0800 | [diff] [blame] | 553 | } |
| 554 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 555 | void grpc_call_ref(grpc_call* c) { gpr_ref(&c->ext_ref); } |
Craig Tiller | dd36b15 | 2017-03-31 08:27:28 -0700 | [diff] [blame] | 556 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 557 | void grpc_call_unref(grpc_call* c) { |
Craig Tiller | dd36b15 | 2017-03-31 08:27:28 -0700 | [diff] [blame] | 558 | if (!gpr_unref(&c->ext_ref)) return; |
| 559 | |
yang-g | ce1cfea | 2018-01-31 15:59:50 -0800 | [diff] [blame] | 560 | GPR_TIMER_SCOPE("grpc_call_unref", 0); |
| 561 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 562 | child_call* cc = c->child; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 563 | grpc_core::ExecCtx exec_ctx; |
Craig Tiller | b8d3a31 | 2015-06-19 17:27:53 -0700 | [diff] [blame] | 564 | |
Craig Tiller | dd36b15 | 2017-03-31 08:27:28 -0700 | [diff] [blame] | 565 | GRPC_API_TRACE("grpc_call_unref(c=%p)", 1, (c)); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 566 | |
Craig Tiller | 9fd9a44 | 2017-04-05 16:52:34 -0700 | [diff] [blame] | 567 | if (cc) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 568 | parent_call* pc = get_parent_call(cc->parent); |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 569 | gpr_mu_lock(&pc->child_list_mu); |
| 570 | if (c == pc->first_child) { |
| 571 | pc->first_child = cc->sibling_next; |
| 572 | if (c == pc->first_child) { |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 573 | pc->first_child = nullptr; |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 574 | } |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 575 | } |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 576 | cc->sibling_prev->child->sibling_next = cc->sibling_next; |
| 577 | cc->sibling_next->child->sibling_prev = cc->sibling_prev; |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 578 | gpr_mu_unlock(&pc->child_list_mu); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 579 | GRPC_CALL_INTERNAL_UNREF(cc->parent, "child"); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 580 | } |
| 581 | |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 582 | GPR_ASSERT(!c->destroy_called); |
| 583 | c->destroy_called = 1; |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 584 | bool cancel = gpr_atm_acq_load(&c->any_ops_sent_atm) != 0 && |
| 585 | gpr_atm_acq_load(&c->received_final_op_atm) == 0; |
Craig Tiller | 37cbc3f | 2017-02-16 14:54:55 -0800 | [diff] [blame] | 586 | if (cancel) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 587 | cancel_with_error(c, STATUS_FROM_API_OVERRIDE, GRPC_ERROR_CANCELLED); |
Mark D. Roth | 180c6b1 | 2017-09-05 13:46:41 -0700 | [diff] [blame] | 588 | } else { |
| 589 | // Unset the call combiner cancellation closure. This has the |
| 590 | // effect of scheduling the previously set cancellation closure, if |
| 591 | // any, so that it can release any internal references it may be |
| 592 | // holding to the call stack. |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 593 | grpc_call_combiner_set_notify_on_cancel(&c->call_combiner, nullptr); |
Craig Tiller | 37cbc3f | 2017-02-16 14:54:55 -0800 | [diff] [blame] | 594 | } |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 595 | GRPC_CALL_INTERNAL_UNREF(c, "destroy"); |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 596 | } |
Craig Tiller | 3054756 | 2015-02-05 17:04:51 -0800 | [diff] [blame] | 597 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 598 | grpc_call_error grpc_call_cancel(grpc_call* call, void* reserved) { |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 599 | GRPC_API_TRACE("grpc_call_cancel(call=%p, reserved=%p)", 2, (call, reserved)); |
| 600 | GPR_ASSERT(!reserved); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 601 | grpc_core::ExecCtx exec_ctx; |
| 602 | cancel_with_error(call, STATUS_FROM_API_OVERRIDE, GRPC_ERROR_CANCELLED); |
| 603 | |
Craig Tiller | 37cbc3f | 2017-02-16 14:54:55 -0800 | [diff] [blame] | 604 | return GRPC_CALL_OK; |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 605 | } |
| 606 | |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 607 | // This is called via the call combiner to start sending a batch down |
| 608 | // the filter stack. |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 609 | static void execute_batch_in_call_combiner(void* arg, grpc_error* ignored) { |
yang-g | ce1cfea | 2018-01-31 15:59:50 -0800 | [diff] [blame] | 610 | GPR_TIMER_SCOPE("execute_batch", 0); |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 611 | grpc_transport_stream_op_batch* batch = (grpc_transport_stream_op_batch*)arg; |
| 612 | grpc_call* call = (grpc_call*)batch->handler_private.extra_arg; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 613 | grpc_call_element* elem = CALL_ELEM_FROM_CALL(call, 0); |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 614 | GRPC_CALL_LOG_OP(GPR_INFO, elem, batch); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 615 | elem->filter->start_transport_stream_op_batch(elem, batch); |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 616 | } |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 617 | |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 618 | // start_batch_closure points to a caller-allocated closure to be used |
| 619 | // for entering the call combiner. |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 620 | static void execute_batch(grpc_call* call, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 621 | grpc_transport_stream_op_batch* batch, |
| 622 | grpc_closure* start_batch_closure) { |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 623 | batch->handler_private.extra_arg = call; |
| 624 | GRPC_CLOSURE_INIT(start_batch_closure, execute_batch_in_call_combiner, batch, |
| 625 | grpc_schedule_on_exec_ctx); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 626 | GRPC_CALL_COMBINER_START(&call->call_combiner, start_batch_closure, |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 627 | GRPC_ERROR_NONE, "executing batch"); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 628 | } |
| 629 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 630 | char* grpc_call_get_peer(grpc_call* call) { |
| 631 | char* peer_string = (char*)gpr_atm_acq_load(&call->peer_string); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 632 | if (peer_string != nullptr) return gpr_strdup(peer_string); |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 633 | peer_string = grpc_channel_get_target(call->channel); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 634 | if (peer_string != nullptr) return peer_string; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 635 | return gpr_strdup("unknown"); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 636 | } |
| 637 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 638 | grpc_call* grpc_call_from_top_element(grpc_call_element* elem) { |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 639 | return CALL_FROM_TOP_ELEM(elem); |
| 640 | } |
| 641 | |
| 642 | /******************************************************************************* |
| 643 | * CANCELLATION |
| 644 | */ |
| 645 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 646 | grpc_call_error grpc_call_cancel_with_status(grpc_call* c, |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 647 | grpc_status_code status, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 648 | const char* description, |
| 649 | void* reserved) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 650 | grpc_core::ExecCtx exec_ctx; |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 651 | GRPC_API_TRACE( |
| 652 | "grpc_call_cancel_with_status(" |
| 653 | "c=%p, status=%d, description=%s, reserved=%p)", |
| 654 | 4, (c, (int)status, description, reserved)); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 655 | GPR_ASSERT(reserved == nullptr); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 656 | cancel_with_status(c, STATUS_FROM_API_OVERRIDE, status, description); |
| 657 | |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 658 | return GRPC_CALL_OK; |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 659 | } |
| 660 | |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 661 | typedef struct { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 662 | grpc_call* call; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 663 | grpc_closure start_batch; |
| 664 | grpc_closure finish_batch; |
| 665 | } cancel_state; |
| 666 | |
| 667 | // The on_complete callback used when sending a cancel_stream batch down |
| 668 | // the filter stack. Yields the call combiner when the batch is done. |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 669 | static void done_termination(void* arg, grpc_error* error) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 670 | cancel_state* state = (cancel_state*)arg; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 671 | GRPC_CALL_COMBINER_STOP(&state->call->call_combiner, |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 672 | "on_complete for cancel_stream op"); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 673 | GRPC_CALL_INTERNAL_UNREF(state->call, "termination"); |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 674 | gpr_free(state); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 675 | } |
| 676 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 677 | static void cancel_with_error(grpc_call* c, status_source source, |
| 678 | grpc_error* error) { |
Craig Tiller | c5b90df | 2017-03-10 16:11:08 -0800 | [diff] [blame] | 679 | GRPC_CALL_INTERNAL_REF(c, "termination"); |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 680 | // Inform the call combiner of the cancellation, so that it can cancel |
| 681 | // any in-flight asynchronous actions that may be holding the call |
| 682 | // combiner. This ensures that the cancel_stream batch can be sent |
| 683 | // down the filter stack in a timely manner. |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 684 | grpc_call_combiner_cancel(&c->call_combiner, GRPC_ERROR_REF(error)); |
| 685 | set_status_from_error(c, source, GRPC_ERROR_REF(error)); |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 686 | cancel_state* state = (cancel_state*)gpr_malloc(sizeof(*state)); |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 687 | state->call = c; |
| 688 | GRPC_CLOSURE_INIT(&state->finish_batch, done_termination, state, |
| 689 | grpc_schedule_on_exec_ctx); |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 690 | grpc_transport_stream_op_batch* op = |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 691 | grpc_make_transport_stream_op(&state->finish_batch); |
Craig Tiller | 22b182b | 2017-03-16 10:56:58 -0700 | [diff] [blame] | 692 | op->cancel_stream = true; |
| 693 | op->payload->cancel_stream.cancel_error = error; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 694 | execute_batch(c, op, &state->start_batch); |
Craig Tiller | 255edaa | 2016-12-13 09:04:55 -0800 | [diff] [blame] | 695 | } |
| 696 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 697 | static grpc_error* error_from_status(grpc_status_code status, |
| 698 | const char* description) { |
Alexander Polcyn | 088e85c | 2017-07-28 14:53:20 -0700 | [diff] [blame] | 699 | // copying 'description' is needed to ensure the grpc_call_cancel_with_status |
| 700 | // guarantee that can be short-lived. |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 701 | return grpc_error_set_int( |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 702 | grpc_error_set_str(GRPC_ERROR_CREATE_FROM_COPIED_STRING(description), |
| 703 | GRPC_ERROR_STR_GRPC_MESSAGE, |
| 704 | grpc_slice_from_copied_string(description)), |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 705 | GRPC_ERROR_INT_GRPC_STATUS, status); |
| 706 | } |
| 707 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 708 | static void cancel_with_status(grpc_call* c, status_source source, |
| 709 | grpc_status_code status, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 710 | const char* description) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 711 | cancel_with_error(c, source, error_from_status(status, description)); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 712 | } |
| 713 | |
| 714 | /******************************************************************************* |
| 715 | * FINAL STATUS CODE MANIPULATION |
| 716 | */ |
| 717 | |
Yash Tibrewal | 0ee7574 | 2017-10-13 16:07:13 -0700 | [diff] [blame] | 718 | static bool get_final_status_from( |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 719 | grpc_call* call, grpc_error* error, bool allow_ok_status, |
Yash Tibrewal | 4e9265c | 2017-11-09 17:46:29 -0800 | [diff] [blame] | 720 | void (*set_value)(grpc_status_code code, void* user_data), |
ncteisen | 40737d6 | 2017-11-13 08:02:35 -0800 | [diff] [blame] | 721 | void* set_value_user_data, grpc_slice* details, const char** error_string) { |
Craig Tiller | 737b625 | 2017-01-09 15:25:15 -0800 | [diff] [blame] | 722 | grpc_status_code code; |
ncteisen | eb2b115 | 2017-03-28 15:27:27 -0700 | [diff] [blame] | 723 | grpc_slice slice = grpc_empty_slice(); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 724 | grpc_error_get_status(error, call->send_deadline, &code, &slice, nullptr, |
| 725 | error_string); |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 726 | if (code == GRPC_STATUS_OK && !allow_ok_status) { |
| 727 | return false; |
| 728 | } |
Craig Tiller | 737b625 | 2017-01-09 15:25:15 -0800 | [diff] [blame] | 729 | |
| 730 | set_value(code, set_value_user_data); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 731 | if (details != nullptr) { |
ncteisen | bbb3801 | 2017-03-10 14:58:43 -0800 | [diff] [blame] | 732 | *details = grpc_slice_ref_internal(slice); |
Craig Tiller | 737b625 | 2017-01-09 15:25:15 -0800 | [diff] [blame] | 733 | } |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 734 | return true; |
Craig Tiller | 737b625 | 2017-01-09 15:25:15 -0800 | [diff] [blame] | 735 | } |
| 736 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 737 | static void get_final_status( |
| 738 | grpc_call* call, void (*set_value)(grpc_status_code code, void* user_data), |
| 739 | void* set_value_user_data, grpc_slice* details, const char** error_string) { |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 740 | int i; |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 741 | received_status status[STATUS_SOURCE_COUNT]; |
| 742 | for (i = 0; i < STATUS_SOURCE_COUNT; i++) { |
| 743 | status[i] = unpack_received_status(gpr_atm_acq_load(&call->status[i])); |
| 744 | } |
Craig Tiller | 6014e8a | 2017-10-16 13:50:29 -0700 | [diff] [blame] | 745 | if (grpc_call_error_trace.enabled()) { |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 746 | gpr_log(GPR_DEBUG, "get_final_status %s", call->is_client ? "CLI" : "SVR"); |
| 747 | for (i = 0; i < STATUS_SOURCE_COUNT; i++) { |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 748 | if (status[i].is_set) { |
| 749 | gpr_log(GPR_DEBUG, " %d: %s", i, grpc_error_string(status[i].error)); |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 750 | } |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 751 | } |
| 752 | } |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 753 | /* first search through ignoring "OK" statuses: if something went wrong, |
| 754 | * ensure we report it */ |
| 755 | for (int allow_ok_status = 0; allow_ok_status < 2; allow_ok_status++) { |
| 756 | /* search for the best status we can present: ideally the error we use has a |
| 757 | clearly defined grpc-status, and we'll prefer that. */ |
| 758 | for (i = 0; i < STATUS_SOURCE_COUNT; i++) { |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 759 | if (status[i].is_set && |
| 760 | grpc_error_has_clear_grpc_status(status[i].error)) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 761 | if (get_final_status_from(call, status[i].error, allow_ok_status != 0, |
| 762 | set_value, set_value_user_data, details, |
| 763 | error_string)) { |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 764 | return; |
| 765 | } |
| 766 | } |
| 767 | } |
| 768 | /* If no clearly defined status exists, search for 'anything' */ |
| 769 | for (i = 0; i < STATUS_SOURCE_COUNT; i++) { |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 770 | if (status[i].is_set) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 771 | if (get_final_status_from(call, status[i].error, allow_ok_status != 0, |
| 772 | set_value, set_value_user_data, details, |
| 773 | error_string)) { |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 774 | return; |
| 775 | } |
| 776 | } |
Craig Tiller | 737b625 | 2017-01-09 15:25:15 -0800 | [diff] [blame] | 777 | } |
| 778 | } |
| 779 | /* If nothing exists, set some default */ |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 780 | if (call->is_client) { |
| 781 | set_value(GRPC_STATUS_UNKNOWN, set_value_user_data); |
Craig Tiller | be1b9a7 | 2016-06-24 13:22:11 -0700 | [diff] [blame] | 782 | } else { |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 783 | set_value(GRPC_STATUS_OK, set_value_user_data); |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 784 | } |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 785 | } |
| 786 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 787 | static void set_status_from_error(grpc_call* call, status_source source, |
| 788 | grpc_error* error) { |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 789 | if (!gpr_atm_rel_cas(&call->status[source], |
Yash Tibrewal | 37fdb73 | 2017-09-25 16:45:02 -0700 | [diff] [blame] | 790 | pack_received_status({false, GRPC_ERROR_NONE}), |
| 791 | pack_received_status({true, error}))) { |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 792 | GRPC_ERROR_UNREF(error); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 793 | } |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 794 | } |
| 795 | |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 796 | /******************************************************************************* |
| 797 | * COMPRESSION |
| 798 | */ |
| 799 | |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 800 | static void set_incoming_message_compression_algorithm( |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 801 | grpc_call* call, grpc_message_compression_algorithm algo) { |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 802 | GPR_ASSERT(algo < GRPC_MESSAGE_COMPRESS_ALGORITHMS_COUNT); |
| 803 | call->incoming_message_compression_algorithm = algo; |
David Garcia Quintas | db94b27 | 2015-06-15 18:37:01 -0700 | [diff] [blame] | 804 | } |
| 805 | |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 806 | static void set_incoming_stream_compression_algorithm( |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 807 | grpc_call* call, grpc_stream_compression_algorithm algo) { |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 808 | GPR_ASSERT(algo < GRPC_STREAM_COMPRESS_ALGORITHMS_COUNT); |
| 809 | call->incoming_stream_compression_algorithm = algo; |
| 810 | } |
| 811 | |
Muxi Yan | 68ee7ce | 2017-09-25 12:38:35 -0700 | [diff] [blame] | 812 | grpc_compression_algorithm grpc_call_test_only_get_compression_algorithm( |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 813 | grpc_call* call) { |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 814 | grpc_compression_algorithm algorithm = GRPC_COMPRESS_NONE; |
| 815 | grpc_compression_algorithm_from_message_stream_compression_algorithm( |
| 816 | &algorithm, call->incoming_message_compression_algorithm, |
| 817 | call->incoming_stream_compression_algorithm); |
David Garcia Quintas | 64824be | 2015-10-06 19:45:36 -0700 | [diff] [blame] | 818 | return algorithm; |
David Garcia Quintas | 7c0d914 | 2015-07-23 04:58:20 -0700 | [diff] [blame] | 819 | } |
| 820 | |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 821 | static grpc_compression_algorithm compression_algorithm_for_level_locked( |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 822 | grpc_call* call, grpc_compression_level level) { |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 823 | return grpc_compression_algorithm_for_level(level, |
| 824 | call->encodings_accepted_by_peer); |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 825 | } |
| 826 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 827 | uint32_t grpc_call_test_only_get_message_flags(grpc_call* call) { |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 828 | uint32_t flags; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 829 | flags = call->test_only_last_message_flags; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 830 | return flags; |
| 831 | } |
| 832 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 833 | static void destroy_encodings_accepted_by_peer(void* p) { return; } |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 834 | |
Muxi Yan | 99024d6 | 2017-12-08 14:02:18 -0800 | [diff] [blame] | 835 | static void set_encodings_accepted_by_peer(grpc_call* call, grpc_mdelem mdel, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 836 | uint32_t* encodings_accepted_by_peer, |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 837 | bool stream_encoding) { |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 838 | size_t i; |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 839 | uint32_t algorithm; |
Craig Tiller | d41a4a7 | 2016-10-26 16:16:06 -0700 | [diff] [blame] | 840 | grpc_slice_buffer accept_encoding_parts; |
| 841 | grpc_slice accept_encoding_slice; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 842 | void* accepted_user_data; |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 843 | |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 844 | accepted_user_data = |
| 845 | grpc_mdelem_get_user_data(mdel, destroy_encodings_accepted_by_peer); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 846 | if (accepted_user_data != nullptr) { |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 847 | *encodings_accepted_by_peer = |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 848 | (uint32_t)(((uintptr_t)accepted_user_data) - 1); |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 849 | return; |
| 850 | } |
| 851 | |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 852 | *encodings_accepted_by_peer = 0; |
| 853 | |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame] | 854 | accept_encoding_slice = GRPC_MDVALUE(mdel); |
Craig Tiller | d41a4a7 | 2016-10-26 16:16:06 -0700 | [diff] [blame] | 855 | grpc_slice_buffer_init(&accept_encoding_parts); |
Muxi Yan | 68ee7ce | 2017-09-25 12:38:35 -0700 | [diff] [blame] | 856 | grpc_slice_split_without_space(accept_encoding_slice, ",", |
| 857 | &accept_encoding_parts); |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 858 | |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 859 | GPR_BITSET(encodings_accepted_by_peer, GRPC_COMPRESS_NONE); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 860 | for (i = 0; i < accept_encoding_parts.count; i++) { |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 861 | int r; |
Craig Tiller | 68208fe | 2016-11-14 14:35:02 -0800 | [diff] [blame] | 862 | grpc_slice accept_encoding_entry_slice = accept_encoding_parts.slices[i]; |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 863 | if (!stream_encoding) { |
| 864 | r = grpc_message_compression_algorithm_parse( |
| 865 | accept_encoding_entry_slice, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 866 | (grpc_message_compression_algorithm*)&algorithm); |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 867 | } else { |
| 868 | r = grpc_stream_compression_algorithm_parse( |
| 869 | accept_encoding_entry_slice, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 870 | (grpc_stream_compression_algorithm*)&algorithm); |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 871 | } |
| 872 | if (r) { |
| 873 | GPR_BITSET(encodings_accepted_by_peer, algorithm); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 874 | } else { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 875 | char* accept_encoding_entry_str = |
Craig Tiller | b4aa70e | 2016-12-09 09:40:11 -0800 | [diff] [blame] | 876 | grpc_slice_to_c_string(accept_encoding_entry_slice); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 877 | gpr_log(GPR_ERROR, |
| 878 | "Invalid entry in accept encoding metadata: '%s'. Ignoring.", |
| 879 | accept_encoding_entry_str); |
| 880 | gpr_free(accept_encoding_entry_str); |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 881 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 882 | } |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 883 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 884 | grpc_slice_buffer_destroy_internal(&accept_encoding_parts); |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 885 | |
| 886 | grpc_mdelem_set_user_data( |
| 887 | mdel, destroy_encodings_accepted_by_peer, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 888 | (void*)(((uintptr_t)(*encodings_accepted_by_peer)) + 1)); |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 889 | } |
| 890 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 891 | uint32_t grpc_call_test_only_get_encodings_accepted_by_peer(grpc_call* call) { |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 892 | uint32_t encodings_accepted_by_peer; |
David Garcia Quintas | 0c33188 | 2015-10-08 14:51:54 -0700 | [diff] [blame] | 893 | encodings_accepted_by_peer = call->encodings_accepted_by_peer; |
David Garcia Quintas | 0c33188 | 2015-10-08 14:51:54 -0700 | [diff] [blame] | 894 | return encodings_accepted_by_peer; |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 895 | } |
| 896 | |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 897 | grpc_stream_compression_algorithm |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 898 | grpc_call_test_only_get_incoming_stream_encodings(grpc_call* call) { |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 899 | return call->incoming_stream_compression_algorithm; |
| 900 | } |
| 901 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 902 | static grpc_linked_mdelem* linked_from_md(const grpc_metadata* md) { |
| 903 | return (grpc_linked_mdelem*)&md->internal_data; |
Craig Tiller | c12fee6 | 2015-02-03 11:55:50 -0800 | [diff] [blame] | 904 | } |
| 905 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 906 | static grpc_metadata* get_md_elem(grpc_metadata* metadata, |
| 907 | grpc_metadata* additional_metadata, int i, |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 908 | int count) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 909 | grpc_metadata* res = |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 910 | i < count ? &metadata[i] : &additional_metadata[i - count]; |
| 911 | GPR_ASSERT(res); |
| 912 | return res; |
| 913 | } |
| 914 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 915 | static int prepare_application_metadata(grpc_call* call, int count, |
| 916 | grpc_metadata* metadata, |
| 917 | int is_trailing, |
| 918 | int prepend_extra_metadata, |
| 919 | grpc_metadata* additional_metadata, |
| 920 | int additional_metadata_count) { |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 921 | int total_count = count + additional_metadata_count; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 922 | int i; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 923 | grpc_metadata_batch* batch = |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 924 | &call->metadata_batch[0 /* is_receiving */][is_trailing]; |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 925 | for (i = 0; i < total_count; i++) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 926 | const grpc_metadata* md = |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 927 | get_md_elem(metadata, additional_metadata, i, count); |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 928 | grpc_linked_mdelem* l = linked_from_md(md); |
Craig Tiller | b42445c | 2016-04-22 13:11:44 -0700 | [diff] [blame] | 929 | GPR_ASSERT(sizeof(grpc_linked_mdelem) == sizeof(md->internal_data)); |
Craig Tiller | f2b5b7e | 2017-01-10 08:28:59 -0800 | [diff] [blame] | 930 | if (!GRPC_LOG_IF_ERROR("validate_metadata", |
| 931 | grpc_validate_header_key_is_legal(md->key))) { |
Craig Tiller | b42445c | 2016-04-22 13:11:44 -0700 | [diff] [blame] | 932 | break; |
Craig Tiller | df2d922 | 2016-11-18 16:38:57 -0800 | [diff] [blame] | 933 | } else if (!grpc_is_binary_header(md->key) && |
Craig Tiller | f2b5b7e | 2017-01-10 08:28:59 -0800 | [diff] [blame] | 934 | !GRPC_LOG_IF_ERROR( |
| 935 | "validate_metadata", |
| 936 | grpc_validate_header_nonbin_value_is_legal(md->value))) { |
Craig Tiller | b42445c | 2016-04-22 13:11:44 -0700 | [diff] [blame] | 937 | break; |
| 938 | } |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 939 | l->md = grpc_mdelem_from_grpc_metadata((grpc_metadata*)md); |
Craig Tiller | b42445c | 2016-04-22 13:11:44 -0700 | [diff] [blame] | 940 | } |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 941 | if (i != total_count) { |
Craig Tiller | 5ae3ffb | 2016-11-18 14:58:32 -0800 | [diff] [blame] | 942 | for (int j = 0; j < i; j++) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 943 | const grpc_metadata* md = |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 944 | get_md_elem(metadata, additional_metadata, j, count); |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 945 | grpc_linked_mdelem* l = linked_from_md(md); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 946 | GRPC_MDELEM_UNREF(l->md); |
Craig Tiller | b42445c | 2016-04-22 13:11:44 -0700 | [diff] [blame] | 947 | } |
| 948 | return 0; |
| 949 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 950 | if (prepend_extra_metadata) { |
| 951 | if (call->send_extra_metadata_count == 0) { |
| 952 | prepend_extra_metadata = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 953 | } else { |
Craig Tiller | 0960818 | 2016-11-22 15:43:56 -0800 | [diff] [blame] | 954 | for (i = 0; i < call->send_extra_metadata_count; i++) { |
| 955 | GRPC_LOG_IF_ERROR("prepare_application_metadata", |
| 956 | grpc_metadata_batch_link_tail( |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 957 | batch, &call->send_extra_metadata[i])); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 958 | } |
Craig Tiller | 629b0ed | 2015-04-22 11:14:26 -0700 | [diff] [blame] | 959 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 960 | } |
Craig Tiller | 0960818 | 2016-11-22 15:43:56 -0800 | [diff] [blame] | 961 | for (i = 0; i < total_count; i++) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 962 | grpc_metadata* md = get_md_elem(metadata, additional_metadata, i, count); |
| 963 | grpc_linked_mdelem* l = linked_from_md(md); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 964 | grpc_error* error = grpc_metadata_batch_link_tail(batch, l); |
Noah Eisen | e6432bf | 2017-07-31 16:37:15 -0700 | [diff] [blame] | 965 | if (error != GRPC_ERROR_NONE) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 966 | GRPC_MDELEM_UNREF(l->md); |
Noah Eisen | e6432bf | 2017-07-31 16:37:15 -0700 | [diff] [blame] | 967 | } |
| 968 | GRPC_LOG_IF_ERROR("prepare_application_metadata", error); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 969 | } |
Craig Tiller | 0960818 | 2016-11-22 15:43:56 -0800 | [diff] [blame] | 970 | call->send_extra_metadata_count = 0; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 971 | |
Craig Tiller | b96d001 | 2015-05-06 15:33:23 -0700 | [diff] [blame] | 972 | return 1; |
| 973 | } |
| 974 | |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 975 | /* we offset status by a small amount when storing it into transport metadata |
| 976 | as metadata cannot store a 0 value (which is used as OK for grpc_status_codes |
| 977 | */ |
| 978 | #define STATUS_OFFSET 1 |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 979 | static void destroy_status(void* ignored) {} |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 980 | |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame] | 981 | static uint32_t decode_status(grpc_mdelem md) { |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 982 | uint32_t status; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 983 | void* user_data; |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame] | 984 | if (grpc_mdelem_eq(md, GRPC_MDELEM_GRPC_STATUS_0)) return 0; |
| 985 | if (grpc_mdelem_eq(md, GRPC_MDELEM_GRPC_STATUS_1)) return 1; |
| 986 | if (grpc_mdelem_eq(md, GRPC_MDELEM_GRPC_STATUS_2)) return 2; |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 987 | user_data = grpc_mdelem_get_user_data(md, destroy_status); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 988 | if (user_data != nullptr) { |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 989 | status = ((uint32_t)(intptr_t)user_data) - STATUS_OFFSET; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 990 | } else { |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame] | 991 | if (!grpc_parse_slice_to_uint32(GRPC_MDVALUE(md), &status)) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 992 | status = GRPC_STATUS_UNKNOWN; /* could not parse status code */ |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 993 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 994 | grpc_mdelem_set_user_data(md, destroy_status, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 995 | (void*)(intptr_t)(status + STATUS_OFFSET)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 996 | } |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 997 | return status; |
| 998 | } |
| 999 | |
Muxi Yan | 68ee7ce | 2017-09-25 12:38:35 -0700 | [diff] [blame] | 1000 | static grpc_message_compression_algorithm decode_message_compression( |
| 1001 | grpc_mdelem md) { |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1002 | grpc_message_compression_algorithm algorithm = |
| 1003 | grpc_message_compression_algorithm_from_slice(GRPC_MDVALUE(md)); |
| 1004 | if (algorithm == GRPC_MESSAGE_COMPRESS_ALGORITHMS_COUNT) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1005 | char* md_c_str = grpc_slice_to_c_string(GRPC_MDVALUE(md)); |
David Garcia Quintas | 303d308 | 2016-05-05 18:25:34 -0700 | [diff] [blame] | 1006 | gpr_log(GPR_ERROR, |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1007 | "Invalid incoming message compression algorithm: '%s'. " |
| 1008 | "Interpreting incoming data as uncompressed.", |
David Garcia Quintas | 303d308 | 2016-05-05 18:25:34 -0700 | [diff] [blame] | 1009 | md_c_str); |
Craig Tiller | 68208fe | 2016-11-14 14:35:02 -0800 | [diff] [blame] | 1010 | gpr_free(md_c_str); |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1011 | return GRPC_MESSAGE_COMPRESS_NONE; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1012 | } |
David Garcia Quintas | fc0fa33 | 2015-06-25 18:11:07 -0700 | [diff] [blame] | 1013 | return algorithm; |
David Garcia Quintas | db94b27 | 2015-06-15 18:37:01 -0700 | [diff] [blame] | 1014 | } |
| 1015 | |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1016 | static grpc_stream_compression_algorithm decode_stream_compression( |
| 1017 | grpc_mdelem md) { |
| 1018 | grpc_stream_compression_algorithm algorithm = |
| 1019 | grpc_stream_compression_algorithm_from_slice(GRPC_MDVALUE(md)); |
| 1020 | if (algorithm == GRPC_STREAM_COMPRESS_ALGORITHMS_COUNT) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1021 | char* md_c_str = grpc_slice_to_c_string(GRPC_MDVALUE(md)); |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1022 | gpr_log(GPR_ERROR, |
| 1023 | "Invalid incoming stream compression algorithm: '%s'. Interpreting " |
| 1024 | "incoming data as uncompressed.", |
| 1025 | md_c_str); |
| 1026 | gpr_free(md_c_str); |
| 1027 | return GRPC_STREAM_COMPRESS_NONE; |
| 1028 | } |
| 1029 | return algorithm; |
| 1030 | } |
| 1031 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1032 | static void publish_app_metadata(grpc_call* call, grpc_metadata_batch* b, |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1033 | int is_trailing) { |
Craig Tiller | 0960818 | 2016-11-22 15:43:56 -0800 | [diff] [blame] | 1034 | if (b->list.count == 0) return; |
Ken Payson | 1dc0833 | 2018-01-25 16:52:51 -0800 | [diff] [blame] | 1035 | if (is_trailing && call->buffered_metadata[1] == nullptr) return; |
yang-g | ce1cfea | 2018-01-31 15:59:50 -0800 | [diff] [blame] | 1036 | GPR_TIMER_SCOPE("publish_app_metadata", 0); |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1037 | grpc_metadata_array* dest; |
| 1038 | grpc_metadata* mdusr; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1039 | dest = call->buffered_metadata[is_trailing]; |
Craig Tiller | b0f3bca | 2016-11-22 14:54:10 -0800 | [diff] [blame] | 1040 | if (dest->count + b->list.count > dest->capacity) { |
| 1041 | dest->capacity = |
| 1042 | GPR_MAX(dest->capacity + b->list.count, dest->capacity * 3 / 2); |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1043 | dest->metadata = (grpc_metadata*)gpr_realloc( |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 1044 | dest->metadata, sizeof(grpc_metadata) * dest->capacity); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1045 | } |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1046 | for (grpc_linked_mdelem* l = b->list.head; l != nullptr; l = l->next) { |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1047 | mdusr = &dest->metadata[dest->count++]; |
Craig Tiller | cf0a202 | 2016-11-23 11:36:21 -0800 | [diff] [blame] | 1048 | /* we pass back borrowed slices that are valid whilst the call is valid */ |
| 1049 | mdusr->key = GRPC_MDKEY(l->md); |
| 1050 | mdusr->value = GRPC_MDVALUE(l->md); |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1051 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1052 | } |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 1053 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1054 | static void recv_initial_filter(grpc_call* call, grpc_metadata_batch* b) { |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1055 | if (b->idx.named.content_encoding != nullptr) { |
yang-g | ce1cfea | 2018-01-31 15:59:50 -0800 | [diff] [blame] | 1056 | GPR_TIMER_SCOPE("incoming_stream_compression_algorithm", 0); |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1057 | set_incoming_stream_compression_algorithm( |
| 1058 | call, decode_stream_compression(b->idx.named.content_encoding->md)); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1059 | grpc_metadata_batch_remove(b, b->idx.named.content_encoding); |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1060 | } |
Muxi Yan | 67454d7 | 2017-12-06 22:09:36 -0800 | [diff] [blame] | 1061 | if (b->idx.named.grpc_encoding != nullptr) { |
yang-g | ce1cfea | 2018-01-31 15:59:50 -0800 | [diff] [blame] | 1062 | GPR_TIMER_SCOPE("incoming_message_compression_algorithm", 0); |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1063 | set_incoming_message_compression_algorithm( |
| 1064 | call, decode_message_compression(b->idx.named.grpc_encoding->md)); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1065 | grpc_metadata_batch_remove(b, b->idx.named.grpc_encoding); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1066 | } |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1067 | uint32_t message_encodings_accepted_by_peer = 1u; |
| 1068 | uint32_t stream_encodings_accepted_by_peer = 1u; |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1069 | if (b->idx.named.grpc_accept_encoding != nullptr) { |
yang-g | ce1cfea | 2018-01-31 15:59:50 -0800 | [diff] [blame] | 1070 | GPR_TIMER_SCOPE("encodings_accepted_by_peer", 0); |
Muxi Yan | 99024d6 | 2017-12-08 14:02:18 -0800 | [diff] [blame] | 1071 | set_encodings_accepted_by_peer(call, b->idx.named.grpc_accept_encoding->md, |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1072 | &message_encodings_accepted_by_peer, false); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1073 | grpc_metadata_batch_remove(b, b->idx.named.grpc_accept_encoding); |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1074 | } |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1075 | if (b->idx.named.accept_encoding != nullptr) { |
yang-g | ce1cfea | 2018-01-31 15:59:50 -0800 | [diff] [blame] | 1076 | GPR_TIMER_SCOPE("stream_encodings_accepted_by_peer", 0); |
Muxi Yan | 99024d6 | 2017-12-08 14:02:18 -0800 | [diff] [blame] | 1077 | set_encodings_accepted_by_peer(call, b->idx.named.accept_encoding->md, |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1078 | &stream_encodings_accepted_by_peer, true); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1079 | grpc_metadata_batch_remove(b, b->idx.named.accept_encoding); |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1080 | } |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1081 | call->encodings_accepted_by_peer = |
| 1082 | grpc_compression_bitset_from_message_stream_compression_bitset( |
| 1083 | message_encodings_accepted_by_peer, |
| 1084 | stream_encodings_accepted_by_peer); |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1085 | publish_app_metadata(call, b, false); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1086 | } |
Craig Tiller | 6902ad2 | 2015-04-16 08:01:49 -0700 | [diff] [blame] | 1087 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1088 | static void recv_trailing_filter(void* args, grpc_metadata_batch* b) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1089 | grpc_call* call = (grpc_call*)args; |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1090 | if (b->idx.named.grpc_status != nullptr) { |
Mark D. Roth | bd3b93b | 2017-06-22 10:53:01 -0700 | [diff] [blame] | 1091 | uint32_t status_code = decode_status(b->idx.named.grpc_status->md); |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1092 | grpc_error* error = |
Mark D. Roth | bd3b93b | 2017-06-22 10:53:01 -0700 | [diff] [blame] | 1093 | status_code == GRPC_STATUS_OK |
| 1094 | ? GRPC_ERROR_NONE |
| 1095 | : grpc_error_set_int(GRPC_ERROR_CREATE_FROM_STATIC_STRING( |
| 1096 | "Error received from peer"), |
| 1097 | GRPC_ERROR_INT_GRPC_STATUS, |
| 1098 | (intptr_t)status_code); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1099 | if (b->idx.named.grpc_message != nullptr) { |
Mark D. Roth | bd3b93b | 2017-06-22 10:53:01 -0700 | [diff] [blame] | 1100 | error = grpc_error_set_str( |
| 1101 | error, GRPC_ERROR_STR_GRPC_MESSAGE, |
| 1102 | grpc_slice_ref_internal(GRPC_MDVALUE(b->idx.named.grpc_message->md))); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1103 | grpc_metadata_batch_remove(b, b->idx.named.grpc_message); |
Mark D. Roth | bd3b93b | 2017-06-22 10:53:01 -0700 | [diff] [blame] | 1104 | } else if (error != GRPC_ERROR_NONE) { |
| 1105 | error = grpc_error_set_str(error, GRPC_ERROR_STR_GRPC_MESSAGE, |
| 1106 | grpc_empty_slice()); |
| 1107 | } |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1108 | set_status_from_error(call, STATUS_FROM_WIRE, error); |
| 1109 | grpc_metadata_batch_remove(b, b->idx.named.grpc_status); |
Mark D. Roth | bd3b93b | 2017-06-22 10:53:01 -0700 | [diff] [blame] | 1110 | } |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1111 | publish_app_metadata(call, b, true); |
Craig Tiller | 629b0ed | 2015-04-22 11:14:26 -0700 | [diff] [blame] | 1112 | } |
Craig Tiller | 8b282cb | 2015-04-17 14:57:44 -0700 | [diff] [blame] | 1113 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1114 | grpc_call_stack* grpc_call_get_call_stack(grpc_call* call) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1115 | return CALL_STACK_FROM_CALL(call); |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 1116 | } |
| 1117 | |
Craig Tiller | 255edaa | 2016-12-13 09:04:55 -0800 | [diff] [blame] | 1118 | /******************************************************************************* |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1119 | * BATCH API IMPLEMENTATION |
| 1120 | */ |
| 1121 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1122 | static void set_status_value_directly(grpc_status_code status, void* dest) { |
| 1123 | *(grpc_status_code*)dest = status; |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1124 | } |
| 1125 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1126 | static void set_cancelled_value(grpc_status_code status, void* dest) { |
| 1127 | *(int*)dest = (status != GRPC_STATUS_OK); |
Craig Tiller | 166e250 | 2015-02-03 20:14:41 -0800 | [diff] [blame] | 1128 | } |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1129 | |
Craig Tiller | c654976 | 2016-03-09 17:10:43 -0800 | [diff] [blame] | 1130 | static bool are_write_flags_valid(uint32_t flags) { |
David Garcia Quintas | 1d5aca5 | 2015-06-14 14:42:04 -0700 | [diff] [blame] | 1131 | /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */ |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1132 | const uint32_t allowed_write_positions = |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1133 | (GRPC_WRITE_USED_MASK | GRPC_WRITE_INTERNAL_USED_MASK); |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1134 | const uint32_t invalid_positions = ~allowed_write_positions; |
David Garcia Quintas | 1d5aca5 | 2015-06-14 14:42:04 -0700 | [diff] [blame] | 1135 | return !(flags & invalid_positions); |
| 1136 | } |
| 1137 | |
Craig Tiller | c654976 | 2016-03-09 17:10:43 -0800 | [diff] [blame] | 1138 | static bool are_initial_metadata_flags_valid(uint32_t flags, bool is_client) { |
| 1139 | /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */ |
| 1140 | uint32_t invalid_positions = ~GRPC_INITIAL_METADATA_USED_MASK; |
| 1141 | if (!is_client) { |
| 1142 | invalid_positions |= GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST; |
| 1143 | } |
| 1144 | return !(flags & invalid_positions); |
| 1145 | } |
| 1146 | |
Craig Tiller | 2a11ad1 | 2017-02-08 17:09:02 -0800 | [diff] [blame] | 1147 | static int batch_slot_for_op(grpc_op_type type) { |
| 1148 | switch (type) { |
| 1149 | case GRPC_OP_SEND_INITIAL_METADATA: |
| 1150 | return 0; |
| 1151 | case GRPC_OP_SEND_MESSAGE: |
| 1152 | return 1; |
| 1153 | case GRPC_OP_SEND_CLOSE_FROM_CLIENT: |
| 1154 | case GRPC_OP_SEND_STATUS_FROM_SERVER: |
| 1155 | return 2; |
| 1156 | case GRPC_OP_RECV_INITIAL_METADATA: |
| 1157 | return 3; |
| 1158 | case GRPC_OP_RECV_MESSAGE: |
| 1159 | return 4; |
| 1160 | case GRPC_OP_RECV_CLOSE_ON_SERVER: |
| 1161 | case GRPC_OP_RECV_STATUS_ON_CLIENT: |
| 1162 | return 5; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1163 | } |
Craig Tiller | c869da0 | 2017-02-08 17:11:17 -0800 | [diff] [blame] | 1164 | GPR_UNREACHABLE_CODE(return 123456789); |
Craig Tiller | 2a11ad1 | 2017-02-08 17:09:02 -0800 | [diff] [blame] | 1165 | } |
Craig Tiller | 89d3379 | 2017-02-08 16:39:16 -0800 | [diff] [blame] | 1166 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1167 | static batch_control* allocate_batch_control(grpc_call* call, |
| 1168 | const grpc_op* ops, |
Craig Tiller | 89d3379 | 2017-02-08 16:39:16 -0800 | [diff] [blame] | 1169 | size_t num_ops) { |
| 1170 | int slot = batch_slot_for_op(ops[0].op); |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1171 | batch_control** pslot = &call->active_batches[slot]; |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1172 | if (*pslot == nullptr) { |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 1173 | *pslot = |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1174 | (batch_control*)gpr_arena_alloc(call->arena, sizeof(batch_control)); |
Craig Tiller | b58de72 | 2017-03-29 14:15:12 -0700 | [diff] [blame] | 1175 | } |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1176 | batch_control* bctl = *pslot; |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1177 | if (bctl->call != nullptr) { |
| 1178 | return nullptr; |
Craig Tiller | 5e5ef30 | 2017-02-09 08:46:49 -0800 | [diff] [blame] | 1179 | } |
| 1180 | memset(bctl, 0, sizeof(*bctl)); |
| 1181 | bctl->call = call; |
Craig Tiller | 3fddcb4 | 2017-03-10 11:01:48 -0800 | [diff] [blame] | 1182 | bctl->op.payload = &call->stream_op_payload; |
Craig Tiller | 5e5ef30 | 2017-02-09 08:46:49 -0800 | [diff] [blame] | 1183 | return bctl; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1184 | } |
| 1185 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1186 | static void finish_batch_completion(void* user_data, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1187 | grpc_cq_completion* storage) { |
| 1188 | batch_control* bctl = (batch_control*)user_data; |
| 1189 | grpc_call* call = bctl->call; |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1190 | bctl->call = nullptr; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1191 | GRPC_CALL_INTERNAL_UNREF(call, "completion"); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1192 | } |
| 1193 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1194 | static grpc_error* consolidate_batch_errors(batch_control* bctl) { |
Craig Tiller | b597dcf | 2017-03-09 07:02:11 -0800 | [diff] [blame] | 1195 | size_t n = (size_t)gpr_atm_acq_load(&bctl->num_errors); |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1196 | if (n == 0) { |
| 1197 | return GRPC_ERROR_NONE; |
| 1198 | } else if (n == 1) { |
Craig Tiller | a78da60 | 2017-01-27 08:16:23 -0800 | [diff] [blame] | 1199 | /* Skip creating a composite error in the case that only one error was |
| 1200 | logged */ |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1201 | grpc_error* e = bctl->errors[0]; |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1202 | bctl->errors[0] = nullptr; |
Craig Tiller | ad980e3 | 2017-01-23 07:46:25 -0800 | [diff] [blame] | 1203 | return e; |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1204 | } else { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1205 | grpc_error* error = GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING( |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 1206 | "Call batch failed", bctl->errors, n); |
Craig Tiller | 1c4775c | 2017-01-06 16:07:45 -0800 | [diff] [blame] | 1207 | for (size_t i = 0; i < n; i++) { |
| 1208 | GRPC_ERROR_UNREF(bctl->errors[i]); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1209 | bctl->errors[i] = nullptr; |
Craig Tiller | 1c4775c | 2017-01-06 16:07:45 -0800 | [diff] [blame] | 1210 | } |
| 1211 | return error; |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1212 | } |
| 1213 | } |
| 1214 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1215 | static void post_batch_completion(batch_control* bctl) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1216 | grpc_call* next_child_call; |
| 1217 | grpc_call* call = bctl->call; |
| 1218 | grpc_error* error = consolidate_batch_errors(bctl); |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1219 | |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1220 | if (bctl->op.send_initial_metadata) { |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1221 | grpc_metadata_batch_destroy( |
Muxi Yan | 99024d6 | 2017-12-08 14:02:18 -0800 | [diff] [blame] | 1222 | |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1223 | &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]); |
| 1224 | } |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1225 | if (bctl->op.send_message) { |
Craig Tiller | f927ad1 | 2017-01-06 15:27:31 -0800 | [diff] [blame] | 1226 | call->sending_message = false; |
| 1227 | } |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1228 | if (bctl->op.send_trailing_metadata) { |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1229 | grpc_metadata_batch_destroy( |
Muxi Yan | 99024d6 | 2017-12-08 14:02:18 -0800 | [diff] [blame] | 1230 | |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1231 | &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */]); |
| 1232 | } |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1233 | if (bctl->op.recv_trailing_metadata) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1234 | grpc_metadata_batch* md = |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1235 | &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */]; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1236 | recv_trailing_filter(call, md); |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1237 | |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1238 | /* propagate cancellation to any interested children */ |
Craig Tiller | b18c8ba | 2017-03-13 15:51:37 -0700 | [diff] [blame] | 1239 | gpr_atm_rel_store(&call->received_final_op_atm, 1); |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1240 | parent_call* pc = get_parent_call(call); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1241 | if (pc != nullptr) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1242 | grpc_call* child; |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 1243 | gpr_mu_lock(&pc->child_list_mu); |
| 1244 | child = pc->first_child; |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1245 | if (child != nullptr) { |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 1246 | do { |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 1247 | next_child_call = child->child->sibling_next; |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 1248 | if (child->cancellation_is_inherited) { |
| 1249 | GRPC_CALL_INTERNAL_REF(child, "propagate_cancel"); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1250 | cancel_with_error(child, STATUS_FROM_API_OVERRIDE, |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 1251 | GRPC_ERROR_CANCELLED); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1252 | GRPC_CALL_INTERNAL_UNREF(child, "propagate_cancel"); |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 1253 | } |
| 1254 | child = next_child_call; |
| 1255 | } while (child != pc->first_child); |
| 1256 | } |
| 1257 | gpr_mu_unlock(&pc->child_list_mu); |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1258 | } |
| 1259 | |
| 1260 | if (call->is_client) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1261 | get_final_status(call, set_status_value_directly, |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 1262 | call->final_op.client.status, |
ncteisen | 40737d6 | 2017-11-13 08:02:35 -0800 | [diff] [blame] | 1263 | call->final_op.client.status_details, |
| 1264 | call->final_op.client.error_string); |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1265 | } else { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1266 | get_final_status(call, set_cancelled_value, |
ncteisen | df817f3 | 2017-11-15 16:48:19 -0800 | [diff] [blame] | 1267 | call->final_op.server.cancelled, nullptr, nullptr); |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1268 | } |
| 1269 | |
Craig Tiller | 02b87cd | 2016-09-02 09:50:08 -0700 | [diff] [blame] | 1270 | GRPC_ERROR_UNREF(error); |
| 1271 | error = GRPC_ERROR_NONE; |
| 1272 | } |
Craig Tiller | f634304 | 2017-09-20 11:11:58 -0700 | [diff] [blame] | 1273 | if (error != GRPC_ERROR_NONE && bctl->op.recv_message && |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1274 | *call->receiving_buffer != nullptr) { |
Craig Tiller | f634304 | 2017-09-20 11:11:58 -0700 | [diff] [blame] | 1275 | grpc_byte_buffer_destroy(*call->receiving_buffer); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1276 | *call->receiving_buffer = nullptr; |
Craig Tiller | f634304 | 2017-09-20 11:11:58 -0700 | [diff] [blame] | 1277 | } |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1278 | |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1279 | if (bctl->completion_data.notify_tag.is_closure) { |
Craig Tiller | b08fa49 | 2016-05-10 14:56:05 -0700 | [diff] [blame] | 1280 | /* unrefs bctl->error */ |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1281 | bctl->call = nullptr; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1282 | GRPC_CLOSURE_RUN((grpc_closure*)bctl->completion_data.notify_tag.tag, |
| 1283 | error); |
| 1284 | GRPC_CALL_INTERNAL_UNREF(call, "completion"); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1285 | } else { |
Craig Tiller | b08fa49 | 2016-05-10 14:56:05 -0700 | [diff] [blame] | 1286 | /* unrefs bctl->error */ |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1287 | grpc_cq_end_op(bctl->call->cq, bctl->completion_data.notify_tag.tag, error, |
| 1288 | finish_batch_completion, bctl, |
| 1289 | &bctl->completion_data.cq_completion); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1290 | } |
| 1291 | } |
| 1292 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1293 | static void finish_batch_step(batch_control* bctl) { |
Craig Tiller | 065b139 | 2017-01-09 14:05:07 -0800 | [diff] [blame] | 1294 | if (gpr_unref(&bctl->steps_to_complete)) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1295 | post_batch_completion(bctl); |
Craig Tiller | 065b139 | 2017-01-09 14:05:07 -0800 | [diff] [blame] | 1296 | } |
| 1297 | } |
| 1298 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1299 | static void continue_receiving_slices(batch_control* bctl) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1300 | grpc_error* error; |
| 1301 | grpc_call* call = bctl->call; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1302 | for (;;) { |
| 1303 | size_t remaining = call->receiving_stream->length - |
| 1304 | (*call->receiving_buffer)->data.raw.slice_buffer.length; |
| 1305 | if (remaining == 0) { |
| 1306 | call->receiving_message = 0; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1307 | grpc_byte_stream_destroy(call->receiving_stream); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1308 | call->receiving_stream = nullptr; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1309 | finish_batch_step(bctl); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1310 | return; |
| 1311 | } |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1312 | if (grpc_byte_stream_next(call->receiving_stream, remaining, |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1313 | &call->receiving_slice_ready)) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1314 | error = |
| 1315 | grpc_byte_stream_pull(call->receiving_stream, &call->receiving_slice); |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1316 | if (error == GRPC_ERROR_NONE) { |
| 1317 | grpc_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer, |
| 1318 | call->receiving_slice); |
| 1319 | } else { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1320 | grpc_byte_stream_destroy(call->receiving_stream); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1321 | call->receiving_stream = nullptr; |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1322 | grpc_byte_buffer_destroy(*call->receiving_buffer); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1323 | *call->receiving_buffer = nullptr; |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1324 | call->receiving_message = 0; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1325 | finish_batch_step(bctl); |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1326 | return; |
| 1327 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1328 | } else { |
| 1329 | return; |
| 1330 | } |
| 1331 | } |
| 1332 | } |
| 1333 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1334 | static void receiving_slice_ready(void* bctlp, grpc_error* error) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1335 | batch_control* bctl = (batch_control*)bctlp; |
| 1336 | grpc_call* call = bctl->call; |
| 1337 | grpc_byte_stream* bs = call->receiving_stream; |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1338 | bool release_error = false; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1339 | |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1340 | if (error == GRPC_ERROR_NONE) { |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1341 | grpc_slice slice; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1342 | error = grpc_byte_stream_pull(bs, &slice); |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1343 | if (error == GRPC_ERROR_NONE) { |
| 1344 | grpc_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer, |
| 1345 | slice); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1346 | continue_receiving_slices(bctl); |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1347 | } else { |
| 1348 | /* Error returned by grpc_byte_stream_pull needs to be released manually |
| 1349 | */ |
| 1350 | release_error = true; |
| 1351 | } |
| 1352 | } |
| 1353 | |
| 1354 | if (error != GRPC_ERROR_NONE) { |
Craig Tiller | 6014e8a | 2017-10-16 13:50:29 -0700 | [diff] [blame] | 1355 | if (grpc_trace_operation_failures.enabled()) { |
Craig Tiller | a286b04 | 2016-06-13 15:20:39 +0000 | [diff] [blame] | 1356 | GRPC_LOG_IF_ERROR("receiving_slice_ready", GRPC_ERROR_REF(error)); |
| 1357 | } |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1358 | grpc_byte_stream_destroy(call->receiving_stream); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1359 | call->receiving_stream = nullptr; |
Craig Tiller | 38edec6 | 2015-12-14 15:01:29 -0800 | [diff] [blame] | 1360 | grpc_byte_buffer_destroy(*call->receiving_buffer); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1361 | *call->receiving_buffer = nullptr; |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1362 | call->receiving_message = 0; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1363 | finish_batch_step(bctl); |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1364 | if (release_error) { |
| 1365 | GRPC_ERROR_UNREF(error); |
| 1366 | } |
Craig Tiller | 38edec6 | 2015-12-14 15:01:29 -0800 | [diff] [blame] | 1367 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1368 | } |
| 1369 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1370 | static void process_data_after_md(batch_control* bctl) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1371 | grpc_call* call = bctl->call; |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1372 | if (call->receiving_stream == nullptr) { |
| 1373 | *call->receiving_buffer = nullptr; |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1374 | call->receiving_message = 0; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1375 | finish_batch_step(bctl); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1376 | } else { |
| 1377 | call->test_only_last_message_flags = call->receiving_stream->flags; |
| 1378 | if ((call->receiving_stream->flags & GRPC_WRITE_INTERNAL_COMPRESS) && |
Muxi Yan | 68ee7ce | 2017-09-25 12:38:35 -0700 | [diff] [blame] | 1379 | (call->incoming_message_compression_algorithm > |
| 1380 | GRPC_MESSAGE_COMPRESS_NONE)) { |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1381 | grpc_compression_algorithm algo; |
Muxi Yan | 68ee7ce | 2017-09-25 12:38:35 -0700 | [diff] [blame] | 1382 | GPR_ASSERT( |
| 1383 | grpc_compression_algorithm_from_message_stream_compression_algorithm( |
Muxi Yan | 03fc857 | 2017-10-06 18:47:09 -0700 | [diff] [blame] | 1384 | &algo, call->incoming_message_compression_algorithm, |
| 1385 | (grpc_stream_compression_algorithm)0)); |
Muxi Yan | 68ee7ce | 2017-09-25 12:38:35 -0700 | [diff] [blame] | 1386 | *call->receiving_buffer = |
Muxi Yan | 67454d7 | 2017-12-06 22:09:36 -0800 | [diff] [blame] | 1387 | grpc_raw_compressed_byte_buffer_create(nullptr, 0, algo); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1388 | } else { |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1389 | *call->receiving_buffer = grpc_raw_byte_buffer_create(nullptr, 0); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1390 | } |
ncteisen | 969b46e | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 1391 | GRPC_CLOSURE_INIT(&call->receiving_slice_ready, receiving_slice_ready, bctl, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 1392 | grpc_schedule_on_exec_ctx); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1393 | continue_receiving_slices(bctl); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1394 | } |
| 1395 | } |
| 1396 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1397 | static void receiving_stream_ready(void* bctlp, grpc_error* error) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1398 | batch_control* bctl = (batch_control*)bctlp; |
| 1399 | grpc_call* call = bctl->call; |
Mark D. Roth | 274c8ed | 2016-10-04 09:21:42 -0700 | [diff] [blame] | 1400 | if (error != GRPC_ERROR_NONE) { |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1401 | if (call->receiving_stream != nullptr) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1402 | grpc_byte_stream_destroy(call->receiving_stream); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1403 | call->receiving_stream = nullptr; |
yang-g | 23f777d | 2017-02-22 23:32:26 -0800 | [diff] [blame] | 1404 | } |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1405 | add_batch_error(bctl, GRPC_ERROR_REF(error), true); |
| 1406 | cancel_with_error(call, STATUS_FROM_SURFACE, GRPC_ERROR_REF(error)); |
Mark D. Roth | 274c8ed | 2016-10-04 09:21:42 -0700 | [diff] [blame] | 1407 | } |
Yuchen Zeng | 6eb505b | 2017-08-25 16:05:29 -0700 | [diff] [blame] | 1408 | /* If recv_state is RECV_NONE, we will save the batch_control |
Yuchen Zeng | e40e259 | 2017-08-15 15:50:49 -0700 | [diff] [blame] | 1409 | * object with rel_cas, and will not use it after the cas. Its corresponding |
| 1410 | * acq_load is in receiving_initial_metadata_ready() */ |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1411 | if (error != GRPC_ERROR_NONE || call->receiving_stream == nullptr || |
Yuchen Zeng | 6eb505b | 2017-08-25 16:05:29 -0700 | [diff] [blame] | 1412 | !gpr_atm_rel_cas(&call->recv_state, RECV_NONE, (gpr_atm)bctlp)) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1413 | process_data_after_md(bctl); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1414 | } |
| 1415 | } |
| 1416 | |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1417 | // The recv_message_ready callback used when sending a batch containing |
| 1418 | // a recv_message op down the filter stack. Yields the call combiner |
| 1419 | // before processing the received message. |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1420 | static void receiving_stream_ready_in_call_combiner(void* bctlp, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1421 | grpc_error* error) { |
| 1422 | batch_control* bctl = (batch_control*)bctlp; |
| 1423 | grpc_call* call = bctl->call; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1424 | GRPC_CALL_COMBINER_STOP(&call->call_combiner, "recv_message_ready"); |
| 1425 | receiving_stream_ready(bctlp, error); |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1426 | } |
| 1427 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1428 | static void validate_filtered_metadata(batch_control* bctl) { |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1429 | grpc_compression_algorithm compression_algorithm; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1430 | grpc_call* call = bctl->call; |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1431 | if (call->incoming_stream_compression_algorithm != |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1432 | GRPC_STREAM_COMPRESS_NONE && |
Muxi Yan | 68ee7ce | 2017-09-25 12:38:35 -0700 | [diff] [blame] | 1433 | call->incoming_message_compression_algorithm != |
| 1434 | GRPC_MESSAGE_COMPRESS_NONE) { |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1435 | char* error_msg = nullptr; |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1436 | gpr_asprintf(&error_msg, |
| 1437 | "Incoming stream has both stream compression (%d) and message " |
| 1438 | "compression (%d).", |
| 1439 | call->incoming_stream_compression_algorithm, |
| 1440 | call->incoming_message_compression_algorithm); |
| 1441 | gpr_log(GPR_ERROR, "%s", error_msg); |
Muxi Yan | 99024d6 | 2017-12-08 14:02:18 -0800 | [diff] [blame] | 1442 | cancel_with_status(call, STATUS_FROM_SURFACE, GRPC_STATUS_INTERNAL, |
| 1443 | error_msg); |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1444 | gpr_free(error_msg); |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1445 | } else if ( |
| 1446 | grpc_compression_algorithm_from_message_stream_compression_algorithm( |
| 1447 | &compression_algorithm, call->incoming_message_compression_algorithm, |
| 1448 | call->incoming_stream_compression_algorithm) == 0) { |
Muxi Yan | 67454d7 | 2017-12-06 22:09:36 -0800 | [diff] [blame] | 1449 | char* error_msg = nullptr; |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1450 | gpr_asprintf(&error_msg, |
| 1451 | "Error in incoming message compression (%d) or stream " |
| 1452 | "compression (%d).", |
| 1453 | call->incoming_stream_compression_algorithm, |
| 1454 | call->incoming_message_compression_algorithm); |
Muxi Yan | 99024d6 | 2017-12-08 14:02:18 -0800 | [diff] [blame] | 1455 | cancel_with_status(call, STATUS_FROM_SURFACE, GRPC_STATUS_INTERNAL, |
| 1456 | error_msg); |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1457 | gpr_free(error_msg); |
| 1458 | } else { |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1459 | char* error_msg = nullptr; |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1460 | const grpc_compression_options compression_options = |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 1461 | grpc_channel_compression_options(call->channel); |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1462 | if (compression_algorithm >= GRPC_COMPRESS_ALGORITHMS_COUNT) { |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1463 | gpr_asprintf(&error_msg, "Invalid compression algorithm value '%d'.", |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1464 | compression_algorithm); |
Yuchen Zeng | 64c0e8d | 2016-06-10 11:19:51 -0700 | [diff] [blame] | 1465 | gpr_log(GPR_ERROR, "%s", error_msg); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1466 | cancel_with_status(call, STATUS_FROM_SURFACE, GRPC_STATUS_UNIMPLEMENTED, |
| 1467 | error_msg); |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1468 | } else if (grpc_compression_options_is_algorithm_enabled( |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1469 | &compression_options, compression_algorithm) == 0) { |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1470 | /* check if algorithm is supported by current channel config */ |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1471 | const char* algo_name = nullptr; |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1472 | grpc_compression_algorithm_name(compression_algorithm, &algo_name); |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1473 | gpr_asprintf(&error_msg, "Compression algorithm '%s' is disabled.", |
| 1474 | algo_name); |
Yuchen Zeng | 64c0e8d | 2016-06-10 11:19:51 -0700 | [diff] [blame] | 1475 | gpr_log(GPR_ERROR, "%s", error_msg); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1476 | cancel_with_status(call, STATUS_FROM_SURFACE, GRPC_STATUS_UNIMPLEMENTED, |
| 1477 | error_msg); |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1478 | } |
| 1479 | gpr_free(error_msg); |
David Garcia Quintas | f1945f2 | 2016-05-18 10:53:14 -0700 | [diff] [blame] | 1480 | |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1481 | GPR_ASSERT(call->encodings_accepted_by_peer != 0); |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1482 | if (!GPR_BITGET(call->encodings_accepted_by_peer, compression_algorithm)) { |
Craig Tiller | 6014e8a | 2017-10-16 13:50:29 -0700 | [diff] [blame] | 1483 | if (grpc_compression_trace.enabled()) { |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1484 | const char* algo_name = nullptr; |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1485 | grpc_compression_algorithm_name(compression_algorithm, &algo_name); |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1486 | gpr_log(GPR_ERROR, |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1487 | "Compression algorithm ('%s') not present in the bitset of " |
| 1488 | "accepted encodings ('0x%x')", |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1489 | algo_name, call->encodings_accepted_by_peer); |
| 1490 | } |
David Garcia Quintas | f1945f2 | 2016-05-18 10:53:14 -0700 | [diff] [blame] | 1491 | } |
| 1492 | } |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1493 | } |
| 1494 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1495 | static void add_batch_error(batch_control* bctl, grpc_error* error, |
| 1496 | bool has_cancelled) { |
Craig Tiller | 452422e | 2016-09-01 15:54:56 -0700 | [diff] [blame] | 1497 | if (error == GRPC_ERROR_NONE) return; |
Craig Tiller | b597dcf | 2017-03-09 07:02:11 -0800 | [diff] [blame] | 1498 | int idx = (int)gpr_atm_full_fetch_add(&bctl->num_errors, 1); |
yang-g | 23f777d | 2017-02-22 23:32:26 -0800 | [diff] [blame] | 1499 | if (idx == 0 && !has_cancelled) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1500 | cancel_with_error(bctl->call, STATUS_FROM_CORE, GRPC_ERROR_REF(error)); |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 1501 | } |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1502 | bctl->errors[idx] = error; |
Craig Tiller | 452422e | 2016-09-01 15:54:56 -0700 | [diff] [blame] | 1503 | } |
| 1504 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1505 | static void receiving_initial_metadata_ready(void* bctlp, grpc_error* error) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1506 | batch_control* bctl = (batch_control*)bctlp; |
| 1507 | grpc_call* call = bctl->call; |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1508 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1509 | GRPC_CALL_COMBINER_STOP(&call->call_combiner, "recv_initial_metadata_ready"); |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1510 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1511 | add_batch_error(bctl, GRPC_ERROR_REF(error), false); |
Craig Tiller | 452422e | 2016-09-01 15:54:56 -0700 | [diff] [blame] | 1512 | if (error == GRPC_ERROR_NONE) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1513 | grpc_metadata_batch* md = |
Craig Tiller | c48ca71 | 2016-04-04 13:42:04 -0700 | [diff] [blame] | 1514 | &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */]; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1515 | recv_initial_filter(call, md); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1516 | |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1517 | /* TODO(ctiller): this could be moved into recv_initial_filter now */ |
yang-g | ce1cfea | 2018-01-31 15:59:50 -0800 | [diff] [blame] | 1518 | GPR_TIMER_SCOPE("validate_filtered_metadata", 0); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1519 | validate_filtered_metadata(bctl); |
David Garcia Quintas | 4612337 | 2016-05-09 15:28:42 -0700 | [diff] [blame] | 1520 | |
Craig Tiller | 89c1428 | 2017-07-19 15:32:27 -0700 | [diff] [blame] | 1521 | if (md->deadline != GRPC_MILLIS_INF_FUTURE && !call->is_client) { |
| 1522 | call->send_deadline = md->deadline; |
Craig Tiller | c48ca71 | 2016-04-04 13:42:04 -0700 | [diff] [blame] | 1523 | } |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1524 | } |
| 1525 | |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1526 | grpc_closure* saved_rsr_closure = nullptr; |
Yuchen Zeng | 0ce19a2 | 2017-08-15 14:24:00 -0700 | [diff] [blame] | 1527 | while (true) { |
Yuchen Zeng | 6eb505b | 2017-08-25 16:05:29 -0700 | [diff] [blame] | 1528 | gpr_atm rsr_bctlp = gpr_atm_acq_load(&call->recv_state); |
Yuchen Zeng | 0ce19a2 | 2017-08-15 14:24:00 -0700 | [diff] [blame] | 1529 | /* Should only receive initial metadata once */ |
| 1530 | GPR_ASSERT(rsr_bctlp != 1); |
| 1531 | if (rsr_bctlp == 0) { |
Yuchen Zeng | e40e259 | 2017-08-15 15:50:49 -0700 | [diff] [blame] | 1532 | /* We haven't seen initial metadata and messages before, thus initial |
| 1533 | * metadata is received first. |
| 1534 | * no_barrier_cas is used, as this function won't access the batch_control |
| 1535 | * object saved by receiving_stream_ready() if the initial metadata is |
| 1536 | * received first. */ |
Yuchen Zeng | 6eb505b | 2017-08-25 16:05:29 -0700 | [diff] [blame] | 1537 | if (gpr_atm_no_barrier_cas(&call->recv_state, RECV_NONE, |
| 1538 | RECV_INITIAL_METADATA_FIRST)) { |
Yuchen Zeng | 0ce19a2 | 2017-08-15 14:24:00 -0700 | [diff] [blame] | 1539 | break; |
| 1540 | } |
| 1541 | } else { |
| 1542 | /* Already received messages */ |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1543 | saved_rsr_closure = |
| 1544 | GRPC_CLOSURE_CREATE(receiving_stream_ready, (batch_control*)rsr_bctlp, |
| 1545 | grpc_schedule_on_exec_ctx); |
Yuchen Zeng | 6eb505b | 2017-08-25 16:05:29 -0700 | [diff] [blame] | 1546 | /* No need to modify recv_state */ |
Yuchen Zeng | 0ce19a2 | 2017-08-15 14:24:00 -0700 | [diff] [blame] | 1547 | break; |
| 1548 | } |
| 1549 | } |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1550 | if (saved_rsr_closure != nullptr) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1551 | GRPC_CLOSURE_RUN(saved_rsr_closure, GRPC_ERROR_REF(error)); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1552 | } |
| 1553 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1554 | finish_batch_step(bctl); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1555 | } |
| 1556 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1557 | static void finish_batch(void* bctlp, grpc_error* error) { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1558 | batch_control* bctl = (batch_control*)bctlp; |
| 1559 | grpc_call* call = bctl->call; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1560 | GRPC_CALL_COMBINER_STOP(&call->call_combiner, "on_complete"); |
| 1561 | add_batch_error(bctl, GRPC_ERROR_REF(error), false); |
| 1562 | finish_batch_step(bctl); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1563 | } |
| 1564 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1565 | static void free_no_op_completion(void* p, grpc_cq_completion* completion) { |
Craig Tiller | 89d3379 | 2017-02-08 16:39:16 -0800 | [diff] [blame] | 1566 | gpr_free(completion); |
| 1567 | } |
| 1568 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1569 | static grpc_call_error call_start_batch(grpc_call* call, const grpc_op* ops, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1570 | size_t nops, void* notify_tag, |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1571 | int is_notify_tag_closure) { |
yang-g | ce1cfea | 2018-01-31 15:59:50 -0800 | [diff] [blame] | 1572 | GPR_TIMER_SCOPE("grpc_call_start_batch", 0); |
| 1573 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1574 | size_t i; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1575 | const grpc_op* op; |
| 1576 | batch_control* bctl; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1577 | int num_completion_callbacks_needed = 1; |
| 1578 | grpc_call_error error = GRPC_CALL_OK; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1579 | grpc_transport_stream_op_batch* stream_op; |
| 1580 | grpc_transport_stream_op_batch_payload* stream_op_payload; |
Craig Tiller | 9928d39 | 2015-08-18 09:40:24 -0700 | [diff] [blame] | 1581 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1582 | GRPC_CALL_LOG_BATCH(GPR_INFO, call, ops, nops, notify_tag); |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 1583 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1584 | if (nops == 0) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1585 | if (!is_notify_tag_closure) { |
yang-g | 7d6b914 | 2017-07-13 11:48:56 -0700 | [diff] [blame] | 1586 | GPR_ASSERT(grpc_cq_begin_op(call->cq, notify_tag)); |
Yash Tibrewal | 52778c4 | 2017-09-11 15:00:11 -0700 | [diff] [blame] | 1587 | grpc_cq_end_op( |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1588 | call->cq, notify_tag, GRPC_ERROR_NONE, free_no_op_completion, nullptr, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1589 | (grpc_cq_completion*)gpr_malloc(sizeof(grpc_cq_completion))); |
Craig Tiller | 2db5bda | 2017-02-09 10:30:55 -0800 | [diff] [blame] | 1590 | } else { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1591 | GRPC_CLOSURE_SCHED((grpc_closure*)notify_tag, GRPC_ERROR_NONE); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1592 | } |
Craig Tiller | ea50b90 | 2015-12-15 07:05:25 -0800 | [diff] [blame] | 1593 | error = GRPC_CALL_OK; |
| 1594 | goto done; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1595 | } |
| 1596 | |
Craig Tiller | 89d3379 | 2017-02-08 16:39:16 -0800 | [diff] [blame] | 1597 | bctl = allocate_batch_control(call, ops, nops); |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1598 | if (bctl == nullptr) { |
Craig Tiller | 5e5ef30 | 2017-02-09 08:46:49 -0800 | [diff] [blame] | 1599 | return GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1600 | } |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1601 | bctl->completion_data.notify_tag.tag = notify_tag; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1602 | bctl->completion_data.notify_tag.is_closure = |
| 1603 | (uint8_t)(is_notify_tag_closure != 0); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1604 | |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame] | 1605 | stream_op = &bctl->op; |
| 1606 | stream_op_payload = &call->stream_op_payload; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1607 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1608 | /* rewrite batch ops into a transport op */ |
| 1609 | for (i = 0; i < nops; i++) { |
| 1610 | op = &ops[i]; |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1611 | if (op->reserved != nullptr) { |
Craig Tiller | 3ffd822 | 2015-09-21 08:21:57 -0700 | [diff] [blame] | 1612 | error = GRPC_CALL_ERROR; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1613 | goto done_with_error; |
Craig Tiller | 3ffd822 | 2015-09-21 08:21:57 -0700 | [diff] [blame] | 1614 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1615 | switch (op->op) { |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame] | 1616 | case GRPC_OP_SEND_INITIAL_METADATA: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1617 | /* Flag validation: currently allow no flags */ |
Craig Tiller | c654976 | 2016-03-09 17:10:43 -0800 | [diff] [blame] | 1618 | if (!are_initial_metadata_flags_valid(op->flags, call->is_client)) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1619 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1620 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1621 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1622 | if (call->sent_initial_metadata) { |
| 1623 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1624 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1625 | } |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1626 | /* process compression level */ |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1627 | memset(&call->compression_md, 0, sizeof(call->compression_md)); |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1628 | size_t additional_metadata_count = 0; |
Muxi Yan | df174cc | 2017-07-26 16:01:48 -0700 | [diff] [blame] | 1629 | grpc_compression_level effective_compression_level = |
| 1630 | GRPC_COMPRESS_LEVEL_NONE; |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1631 | bool level_set = false; |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1632 | if (op->data.send_initial_metadata.maybe_compression_level.is_set) { |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1633 | effective_compression_level = |
David Garcia Quintas | 8ba42be | 2016-06-07 17:30:20 -0700 | [diff] [blame] | 1634 | op->data.send_initial_metadata.maybe_compression_level.level; |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1635 | level_set = true; |
| 1636 | } else { |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 1637 | const grpc_compression_options copts = |
| 1638 | grpc_channel_compression_options(call->channel); |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1639 | if (copts.default_level.is_set) { |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1640 | level_set = true; |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 1641 | effective_compression_level = copts.default_level.level; |
| 1642 | } |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1643 | } |
David Garcia Quintas | 3e4f49f | 2016-05-18 23:59:02 -0700 | [diff] [blame] | 1644 | if (level_set && !call->is_client) { |
Muxi Yan | e6d888d | 2017-09-14 09:42:56 -0700 | [diff] [blame] | 1645 | const grpc_compression_algorithm calgo = |
| 1646 | compression_algorithm_for_level_locked( |
| 1647 | call, effective_compression_level); |
| 1648 | /* the following will be picked up by the compress filter and used |
| 1649 | * as the call's compression algorithm. */ |
| 1650 | call->compression_md.key = GRPC_MDSTR_GRPC_INTERNAL_ENCODING_REQUEST; |
| 1651 | call->compression_md.value = grpc_compression_algorithm_slice(calgo); |
| 1652 | additional_metadata_count++; |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1653 | } |
| 1654 | |
| 1655 | if (op->data.send_initial_metadata.count + additional_metadata_count > |
| 1656 | INT_MAX) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1657 | error = GRPC_CALL_ERROR_INVALID_METADATA; |
| 1658 | goto done_with_error; |
| 1659 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1660 | stream_op->send_initial_metadata = true; |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1661 | call->sent_initial_metadata = true; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1662 | if (!prepare_application_metadata( |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1663 | call, (int)op->data.send_initial_metadata.count, |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1664 | op->data.send_initial_metadata.metadata, 0, call->is_client, |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1665 | &call->compression_md, (int)additional_metadata_count)) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1666 | error = GRPC_CALL_ERROR_INVALID_METADATA; |
| 1667 | goto done_with_error; |
| 1668 | } |
| 1669 | /* TODO(ctiller): just make these the same variable? */ |
Craig Tiller | 095a220 | 2017-05-17 09:02:44 -0700 | [diff] [blame] | 1670 | if (call->is_client) { |
| 1671 | call->metadata_batch[0][0].deadline = call->send_deadline; |
| 1672 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1673 | stream_op_payload->send_initial_metadata.send_initial_metadata = |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1674 | &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1675 | stream_op_payload->send_initial_metadata.send_initial_metadata_flags = |
| 1676 | op->flags; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1677 | if (call->is_client) { |
| 1678 | stream_op_payload->send_initial_metadata.peer_string = |
| 1679 | &call->peer_string; |
| 1680 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1681 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame] | 1682 | } |
| 1683 | case GRPC_OP_SEND_MESSAGE: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1684 | if (!are_write_flags_valid(op->flags)) { |
| 1685 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1686 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1687 | } |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1688 | if (op->data.send_message.send_message == nullptr) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1689 | error = GRPC_CALL_ERROR_INVALID_MESSAGE; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1690 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1691 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1692 | if (call->sending_message) { |
| 1693 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1694 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1695 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1696 | stream_op->send_message = true; |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1697 | call->sending_message = true; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1698 | grpc_slice_buffer_stream_init( |
| 1699 | &call->sending_stream, |
Mark D. Roth | 448c1f0 | 2017-01-25 10:44:30 -0800 | [diff] [blame] | 1700 | &op->data.send_message.send_message->data.raw.slice_buffer, |
| 1701 | op->flags); |
Lizan Zhou | 61f0973 | 2016-10-26 14:09:52 -0700 | [diff] [blame] | 1702 | /* If the outgoing buffer is already compressed, mark it as so in the |
| 1703 | flags. These will be picked up by the compression filter and further |
| 1704 | (wasteful) attempts at compression skipped. */ |
Mark D. Roth | 9d76dbe | 2017-01-25 15:02:56 -0800 | [diff] [blame] | 1705 | if (op->data.send_message.send_message->data.raw.compression > |
| 1706 | GRPC_COMPRESS_NONE) { |
Lizan Zhou | 61f0973 | 2016-10-26 14:09:52 -0700 | [diff] [blame] | 1707 | call->sending_stream.base.flags |= GRPC_WRITE_INTERNAL_COMPRESS; |
| 1708 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1709 | stream_op_payload->send_message.send_message = |
| 1710 | &call->sending_stream.base; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1711 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame] | 1712 | } |
| 1713 | case GRPC_OP_SEND_CLOSE_FROM_CLIENT: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1714 | /* Flag validation: currently allow no flags */ |
| 1715 | if (op->flags != 0) { |
| 1716 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1717 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1718 | } |
| 1719 | if (!call->is_client) { |
| 1720 | error = GRPC_CALL_ERROR_NOT_ON_SERVER; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1721 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1722 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1723 | if (call->sent_final_op) { |
| 1724 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1725 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1726 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1727 | stream_op->send_trailing_metadata = true; |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 1728 | call->sent_final_op = true; |
Craig Tiller | 2d43fbf | 2017-03-13 16:10:05 -0700 | [diff] [blame] | 1729 | stream_op_payload->send_trailing_metadata.send_trailing_metadata = |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1730 | &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */]; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1731 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame] | 1732 | } |
| 1733 | case GRPC_OP_SEND_STATUS_FROM_SERVER: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1734 | /* Flag validation: currently allow no flags */ |
| 1735 | if (op->flags != 0) { |
| 1736 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1737 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1738 | } |
| 1739 | if (call->is_client) { |
| 1740 | error = GRPC_CALL_ERROR_NOT_ON_CLIENT; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1741 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1742 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1743 | if (call->sent_final_op) { |
| 1744 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1745 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1746 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1747 | if (op->data.send_status_from_server.trailing_metadata_count > |
| 1748 | INT_MAX) { |
| 1749 | error = GRPC_CALL_ERROR_INVALID_METADATA; |
| 1750 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1751 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1752 | stream_op->send_trailing_metadata = true; |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 1753 | call->sent_final_op = true; |
Craig Tiller | 93727aa | 2017-02-06 13:05:39 -0800 | [diff] [blame] | 1754 | GPR_ASSERT(call->send_extra_metadata_count == 0); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1755 | call->send_extra_metadata_count = 1; |
| 1756 | call->send_extra_metadata[0].md = grpc_channel_get_reffed_status_elem( |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1757 | call->channel, op->data.send_status_from_server.status); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 1758 | { |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1759 | grpc_error* override_error = GRPC_ERROR_NONE; |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 1760 | if (op->data.send_status_from_server.status != GRPC_STATUS_OK) { |
Ken Payson | b353297 | 2018-01-11 20:25:30 -0800 | [diff] [blame] | 1761 | override_error = |
| 1762 | error_from_status(op->data.send_status_from_server.status, |
| 1763 | "Returned non-ok status"); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 1764 | } |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1765 | if (op->data.send_status_from_server.status_details != nullptr) { |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 1766 | call->send_extra_metadata[1].md = grpc_mdelem_from_slices( |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1767 | GRPC_MDSTR_GRPC_MESSAGE, |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 1768 | grpc_slice_ref_internal( |
| 1769 | *op->data.send_status_from_server.status_details)); |
| 1770 | call->send_extra_metadata_count++; |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1771 | char* msg = grpc_slice_to_c_string( |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 1772 | GRPC_MDVALUE(call->send_extra_metadata[1].md)); |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 1773 | override_error = |
| 1774 | grpc_error_set_str(override_error, GRPC_ERROR_STR_GRPC_MESSAGE, |
| 1775 | grpc_slice_from_copied_string(msg)); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 1776 | gpr_free(msg); |
| 1777 | } |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1778 | set_status_from_error(call, STATUS_FROM_API_OVERRIDE, override_error); |
Craig Tiller | 69a1f66 | 2016-09-28 10:24:21 -0700 | [diff] [blame] | 1779 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1780 | if (!prepare_application_metadata( |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1781 | call, |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1782 | (int)op->data.send_status_from_server.trailing_metadata_count, |
Craig Tiller | be98d24 | 2017-11-10 15:26:57 -0800 | [diff] [blame] | 1783 | op->data.send_status_from_server.trailing_metadata, 1, 1, |
| 1784 | nullptr, 0)) { |
Craig Tiller | 93727aa | 2017-02-06 13:05:39 -0800 | [diff] [blame] | 1785 | for (int n = 0; n < call->send_extra_metadata_count; n++) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1786 | GRPC_MDELEM_UNREF(call->send_extra_metadata[n].md); |
Craig Tiller | 93727aa | 2017-02-06 13:05:39 -0800 | [diff] [blame] | 1787 | } |
| 1788 | call->send_extra_metadata_count = 0; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1789 | error = GRPC_CALL_ERROR_INVALID_METADATA; |
| 1790 | goto done_with_error; |
| 1791 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1792 | stream_op_payload->send_trailing_metadata.send_trailing_metadata = |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1793 | &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */]; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1794 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame] | 1795 | } |
| 1796 | case GRPC_OP_RECV_INITIAL_METADATA: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1797 | /* Flag validation: currently allow no flags */ |
| 1798 | if (op->flags != 0) { |
| 1799 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1800 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1801 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1802 | if (call->received_initial_metadata) { |
| 1803 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1804 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1805 | } |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 1806 | call->received_initial_metadata = true; |
Mark D. Roth | 448c1f0 | 2017-01-25 10:44:30 -0800 | [diff] [blame] | 1807 | call->buffered_metadata[0] = |
| 1808 | op->data.recv_initial_metadata.recv_initial_metadata; |
ncteisen | 969b46e | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 1809 | GRPC_CLOSURE_INIT(&call->receiving_initial_metadata_ready, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 1810 | receiving_initial_metadata_ready, bctl, |
| 1811 | grpc_schedule_on_exec_ctx); |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1812 | stream_op->recv_initial_metadata = true; |
| 1813 | stream_op_payload->recv_initial_metadata.recv_initial_metadata = |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1814 | &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */]; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1815 | stream_op_payload->recv_initial_metadata.recv_initial_metadata_ready = |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1816 | &call->receiving_initial_metadata_ready; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1817 | if (!call->is_client) { |
| 1818 | stream_op_payload->recv_initial_metadata.peer_string = |
| 1819 | &call->peer_string; |
| 1820 | } |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1821 | num_completion_callbacks_needed++; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1822 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame] | 1823 | } |
| 1824 | case GRPC_OP_RECV_MESSAGE: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1825 | /* Flag validation: currently allow no flags */ |
| 1826 | if (op->flags != 0) { |
| 1827 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1828 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1829 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1830 | if (call->receiving_message) { |
| 1831 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
yang-g | 48f3a71 | 2015-12-07 11:23:50 -0800 | [diff] [blame] | 1832 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1833 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1834 | call->receiving_message = true; |
| 1835 | stream_op->recv_message = true; |
Mark D. Roth | 448c1f0 | 2017-01-25 10:44:30 -0800 | [diff] [blame] | 1836 | call->receiving_buffer = op->data.recv_message.recv_message; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1837 | stream_op_payload->recv_message.recv_message = &call->receiving_stream; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1838 | GRPC_CLOSURE_INIT(&call->receiving_stream_ready, |
| 1839 | receiving_stream_ready_in_call_combiner, bctl, |
| 1840 | grpc_schedule_on_exec_ctx); |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1841 | stream_op_payload->recv_message.recv_message_ready = |
| 1842 | &call->receiving_stream_ready; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1843 | num_completion_callbacks_needed++; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1844 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame] | 1845 | } |
| 1846 | case GRPC_OP_RECV_STATUS_ON_CLIENT: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1847 | /* Flag validation: currently allow no flags */ |
| 1848 | if (op->flags != 0) { |
| 1849 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1850 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1851 | } |
| 1852 | if (!call->is_client) { |
| 1853 | error = GRPC_CALL_ERROR_NOT_ON_SERVER; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1854 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1855 | } |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 1856 | if (call->requested_final_op) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1857 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1858 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1859 | } |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 1860 | call->requested_final_op = true; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1861 | call->buffered_metadata[1] = |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1862 | op->data.recv_status_on_client.trailing_metadata; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1863 | call->final_op.client.status = op->data.recv_status_on_client.status; |
| 1864 | call->final_op.client.status_details = |
| 1865 | op->data.recv_status_on_client.status_details; |
ncteisen | 40737d6 | 2017-11-13 08:02:35 -0800 | [diff] [blame] | 1866 | call->final_op.client.error_string = |
| 1867 | op->data.recv_status_on_client.error_string; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1868 | stream_op->recv_trailing_metadata = true; |
| 1869 | stream_op->collect_stats = true; |
| 1870 | stream_op_payload->recv_trailing_metadata.recv_trailing_metadata = |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1871 | &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */]; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1872 | stream_op_payload->collect_stats.collect_stats = |
David Garcia Quintas | 5dde14c | 2016-07-28 17:29:27 -0700 | [diff] [blame] | 1873 | &call->final_info.stats.transport_stream_stats; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1874 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame] | 1875 | } |
| 1876 | case GRPC_OP_RECV_CLOSE_ON_SERVER: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1877 | /* Flag validation: currently allow no flags */ |
| 1878 | if (op->flags != 0) { |
| 1879 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1880 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1881 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1882 | if (call->is_client) { |
| 1883 | error = GRPC_CALL_ERROR_NOT_ON_CLIENT; |
| 1884 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1885 | } |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 1886 | if (call->requested_final_op) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1887 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1888 | goto done_with_error; |
| 1889 | } |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 1890 | call->requested_final_op = true; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1891 | call->final_op.server.cancelled = |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1892 | op->data.recv_close_on_server.cancelled; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1893 | stream_op->recv_trailing_metadata = true; |
| 1894 | stream_op->collect_stats = true; |
| 1895 | stream_op_payload->recv_trailing_metadata.recv_trailing_metadata = |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1896 | &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */]; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1897 | stream_op_payload->collect_stats.collect_stats = |
David Garcia Quintas | 5dde14c | 2016-07-28 17:29:27 -0700 | [diff] [blame] | 1898 | &call->final_info.stats.transport_stream_stats; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1899 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame] | 1900 | } |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1901 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1902 | } |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1903 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1904 | GRPC_CALL_INTERNAL_REF(call, "completion"); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1905 | if (!is_notify_tag_closure) { |
yang-g | 7d6b914 | 2017-07-13 11:48:56 -0700 | [diff] [blame] | 1906 | GPR_ASSERT(grpc_cq_begin_op(call->cq, notify_tag)); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1907 | } |
| 1908 | gpr_ref_init(&bctl->steps_to_complete, num_completion_callbacks_needed); |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1909 | |
ncteisen | 969b46e | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 1910 | GRPC_CLOSURE_INIT(&bctl->finish_batch, finish_batch, bctl, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 1911 | grpc_schedule_on_exec_ctx); |
Craig Tiller | 6e7b45e | 2016-07-08 17:25:49 -0700 | [diff] [blame] | 1912 | stream_op->on_complete = &bctl->finish_batch; |
Craig Tiller | b597dcf | 2017-03-09 07:02:11 -0800 | [diff] [blame] | 1913 | gpr_atm_rel_store(&call->any_ops_sent_atm, 1); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1914 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1915 | execute_batch(call, stream_op, &bctl->start_batch); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1916 | |
Craig Tiller | 3ffd822 | 2015-09-21 08:21:57 -0700 | [diff] [blame] | 1917 | done: |
Craig Tiller | 3ffd822 | 2015-09-21 08:21:57 -0700 | [diff] [blame] | 1918 | return error; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1919 | |
| 1920 | done_with_error: |
| 1921 | /* reverse any mutations that occured */ |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1922 | if (stream_op->send_initial_metadata) { |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 1923 | call->sent_initial_metadata = false; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1924 | grpc_metadata_batch_clear(&call->metadata_batch[0][0]); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1925 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1926 | if (stream_op->send_message) { |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 1927 | call->sending_message = false; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1928 | grpc_byte_stream_destroy(&call->sending_stream.base); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1929 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1930 | if (stream_op->send_trailing_metadata) { |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 1931 | call->sent_final_op = false; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1932 | grpc_metadata_batch_clear(&call->metadata_batch[0][1]); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1933 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1934 | if (stream_op->recv_initial_metadata) { |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 1935 | call->received_initial_metadata = false; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1936 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1937 | if (stream_op->recv_message) { |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 1938 | call->receiving_message = false; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1939 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1940 | if (stream_op->recv_trailing_metadata) { |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 1941 | call->requested_final_op = false; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1942 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1943 | goto done; |
| 1944 | } |
| 1945 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1946 | grpc_call_error grpc_call_start_batch(grpc_call* call, const grpc_op* ops, |
| 1947 | size_t nops, void* tag, void* reserved) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1948 | grpc_core::ExecCtx exec_ctx; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1949 | grpc_call_error err; |
| 1950 | |
| 1951 | GRPC_API_TRACE( |
David Garcia Quintas | 4612337 | 2016-05-09 15:28:42 -0700 | [diff] [blame] | 1952 | "grpc_call_start_batch(call=%p, ops=%p, nops=%lu, tag=%p, " |
| 1953 | "reserved=%p)", |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1954 | 5, (call, ops, (unsigned long)nops, tag, reserved)); |
| 1955 | |
Craig Tiller | 4782d92 | 2017-11-10 09:53:21 -0800 | [diff] [blame] | 1956 | if (reserved != nullptr) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1957 | err = GRPC_CALL_ERROR; |
| 1958 | } else { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1959 | err = call_start_batch(call, ops, nops, tag, 0); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1960 | } |
| 1961 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1962 | return err; |
| 1963 | } |
| 1964 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1965 | grpc_call_error grpc_call_start_batch_and_execute(grpc_call* call, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1966 | const grpc_op* ops, |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1967 | size_t nops, |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1968 | grpc_closure* closure) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 1969 | return call_start_batch(call, ops, nops, closure, 1); |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1970 | } |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 1971 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1972 | void grpc_call_context_set(grpc_call* call, grpc_context_index elem, |
| 1973 | void* value, void (*destroy)(void* value)) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1974 | if (call->context[elem].destroy) { |
| 1975 | call->context[elem].destroy(call->context[elem].value); |
| 1976 | } |
Julien Boeuf | 83b0297 | 2015-05-20 22:50:34 -0700 | [diff] [blame] | 1977 | call->context[elem].value = value; |
| 1978 | call->context[elem].destroy = destroy; |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 1979 | } |
| 1980 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1981 | void* grpc_call_context_get(grpc_call* call, grpc_context_index elem) { |
Julien Boeuf | 83b0297 | 2015-05-20 22:50:34 -0700 | [diff] [blame] | 1982 | return call->context[elem].value; |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 1983 | } |
Julien Boeuf | 9f218dd | 2015-04-23 10:24:02 -0700 | [diff] [blame] | 1984 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1985 | uint8_t grpc_call_is_client(grpc_call* call) { return call->is_client; } |
David Garcia Quintas | 13c2f6e | 2016-03-17 22:51:52 -0700 | [diff] [blame] | 1986 | |
| 1987 | grpc_compression_algorithm grpc_call_compression_for_level( |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1988 | grpc_call* call, grpc_compression_level level) { |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1989 | grpc_compression_algorithm algo = |
| 1990 | compression_algorithm_for_level_locked(call, level); |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1991 | return algo; |
David Garcia Quintas | 13c2f6e | 2016-03-17 22:51:52 -0700 | [diff] [blame] | 1992 | } |
Yuchen Zeng | 2e7d957 | 2016-04-15 17:29:57 -0700 | [diff] [blame] | 1993 | |
Muxi Yan | 38fcd0c | 2017-12-06 18:52:18 -0800 | [diff] [blame] | 1994 | const char* grpc_call_error_to_string(grpc_call_error error) { |
Yuchen Zeng | 2e7d957 | 2016-04-15 17:29:57 -0700 | [diff] [blame] | 1995 | switch (error) { |
| 1996 | case GRPC_CALL_ERROR: |
| 1997 | return "GRPC_CALL_ERROR"; |
| 1998 | case GRPC_CALL_ERROR_ALREADY_ACCEPTED: |
| 1999 | return "GRPC_CALL_ERROR_ALREADY_ACCEPTED"; |
| 2000 | case GRPC_CALL_ERROR_ALREADY_FINISHED: |
| 2001 | return "GRPC_CALL_ERROR_ALREADY_FINISHED"; |
| 2002 | case GRPC_CALL_ERROR_ALREADY_INVOKED: |
| 2003 | return "GRPC_CALL_ERROR_ALREADY_INVOKED"; |
| 2004 | case GRPC_CALL_ERROR_BATCH_TOO_BIG: |
| 2005 | return "GRPC_CALL_ERROR_BATCH_TOO_BIG"; |
| 2006 | case GRPC_CALL_ERROR_INVALID_FLAGS: |
| 2007 | return "GRPC_CALL_ERROR_INVALID_FLAGS"; |
| 2008 | case GRPC_CALL_ERROR_INVALID_MESSAGE: |
| 2009 | return "GRPC_CALL_ERROR_INVALID_MESSAGE"; |
| 2010 | case GRPC_CALL_ERROR_INVALID_METADATA: |
| 2011 | return "GRPC_CALL_ERROR_INVALID_METADATA"; |
| 2012 | case GRPC_CALL_ERROR_NOT_INVOKED: |
| 2013 | return "GRPC_CALL_ERROR_NOT_INVOKED"; |
| 2014 | case GRPC_CALL_ERROR_NOT_ON_CLIENT: |
| 2015 | return "GRPC_CALL_ERROR_NOT_ON_CLIENT"; |
| 2016 | case GRPC_CALL_ERROR_NOT_ON_SERVER: |
| 2017 | return "GRPC_CALL_ERROR_NOT_ON_SERVER"; |
| 2018 | case GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE: |
| 2019 | return "GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE"; |
| 2020 | case GRPC_CALL_ERROR_PAYLOAD_TYPE_MISMATCH: |
| 2021 | return "GRPC_CALL_ERROR_PAYLOAD_TYPE_MISMATCH"; |
| 2022 | case GRPC_CALL_ERROR_TOO_MANY_OPERATIONS: |
| 2023 | return "GRPC_CALL_ERROR_TOO_MANY_OPERATIONS"; |
yang-g | 0eaf7de | 2017-07-05 16:50:51 -0700 | [diff] [blame] | 2024 | case GRPC_CALL_ERROR_COMPLETION_QUEUE_SHUTDOWN: |
| 2025 | return "GRPC_CALL_ERROR_COMPLETION_QUEUE_SHUTDOWN"; |
Yuchen Zeng | 2e7d957 | 2016-04-15 17:29:57 -0700 | [diff] [blame] | 2026 | case GRPC_CALL_OK: |
| 2027 | return "GRPC_CALL_OK"; |
Yuchen Zeng | 2e7d957 | 2016-04-15 17:29:57 -0700 | [diff] [blame] | 2028 | } |
Yuchen Zeng | f02bada | 2016-04-19 14:12:27 -0700 | [diff] [blame] | 2029 | GPR_UNREACHABLE_CODE(return "GRPC_CALL_ERROR_UNKNOW"); |
Yuchen Zeng | 2e7d957 | 2016-04-15 17:29:57 -0700 | [diff] [blame] | 2030 | } |