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> |
David Garcia Quintas | e091af8 | 2015-07-15 21:37:02 -0700 | [diff] [blame] | 31 | #include <grpc/support/useful.h> |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 32 | |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 33 | #include "src/core/lib/channel/channel_stack.h" |
| 34 | #include "src/core/lib/compression/algorithm_metadata.h" |
Craig Tiller | 2808668 | 2017-07-18 14:22:19 -0700 | [diff] [blame] | 35 | #include "src/core/lib/debug/stats.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 36 | #include "src/core/lib/iomgr/timer.h" |
| 37 | #include "src/core/lib/profiling/timers.h" |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 38 | #include "src/core/lib/slice/slice_internal.h" |
Craig Tiller | 0f31080 | 2016-10-26 16:25:56 -0700 | [diff] [blame] | 39 | #include "src/core/lib/slice/slice_string_helpers.h" |
Craig Tiller | e7a1702 | 2017-03-13 10:20:38 -0700 | [diff] [blame] | 40 | #include "src/core/lib/support/arena.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 41 | #include "src/core/lib/support/string.h" |
| 42 | #include "src/core/lib/surface/api_trace.h" |
| 43 | #include "src/core/lib/surface/call.h" |
| 44 | #include "src/core/lib/surface/channel.h" |
| 45 | #include "src/core/lib/surface/completion_queue.h" |
Craig Tiller | f2b5b7e | 2017-01-10 08:28:59 -0800 | [diff] [blame] | 46 | #include "src/core/lib/surface/validate_metadata.h" |
Craig Tiller | 732351f | 2016-12-13 16:40:38 -0800 | [diff] [blame] | 47 | #include "src/core/lib/transport/error_utils.h" |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 48 | #include "src/core/lib/transport/metadata.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 49 | #include "src/core/lib/transport/static_metadata.h" |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 50 | #include "src/core/lib/transport/transport.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 51 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 52 | /** The maximum number of concurrent batches possible. |
Craig Tiller | 1b01167 | 2015-07-10 10:41:44 -0700 | [diff] [blame] | 53 | Based upon the maximum number of individually queueable ops in the batch |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 54 | api: |
Craig Tiller | 1b01167 | 2015-07-10 10:41:44 -0700 | [diff] [blame] | 55 | - initial metadata send |
| 56 | - message send |
| 57 | - status/close send (depending on client/server) |
| 58 | - initial metadata recv |
| 59 | - message recv |
| 60 | - status/close recv (depending on client/server) */ |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 61 | #define MAX_CONCURRENT_BATCHES 6 |
Craig Tiller | 1b01167 | 2015-07-10 10:41:44 -0700 | [diff] [blame] | 62 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 63 | #define MAX_SEND_EXTRA_METADATA_COUNT 3 |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 64 | |
Craig Tiller | daceea8 | 2015-02-02 16:15:53 -0800 | [diff] [blame] | 65 | /* Status data for a request can come from several sources; this |
| 66 | enumerates them all, and acts as a priority sorting for which |
| 67 | status to return to the application - earlier entries override |
| 68 | later ones */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 69 | typedef enum { |
Craig Tiller | daceea8 | 2015-02-02 16:15:53 -0800 | [diff] [blame] | 70 | /* Status came from the application layer overriding whatever |
| 71 | the wire says */ |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 72 | STATUS_FROM_API_OVERRIDE = 0, |
Craig Tiller | daceea8 | 2015-02-02 16:15:53 -0800 | [diff] [blame] | 73 | /* Status came from 'the wire' - or somewhere below the surface |
| 74 | layer */ |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 75 | STATUS_FROM_WIRE, |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 76 | /* Status was created by some internal channel stack operation: must come via |
| 77 | add_batch_error */ |
Craig Tiller | 2aa03df | 2016-03-16 08:24:55 -0700 | [diff] [blame] | 78 | STATUS_FROM_CORE, |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 79 | /* Status was created by some surface error */ |
| 80 | STATUS_FROM_SURFACE, |
Craig Tiller | aea081f | 2015-06-11 14:19:33 -0700 | [diff] [blame] | 81 | /* Status came from the server sending status */ |
| 82 | STATUS_FROM_SERVER_STATUS, |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 83 | STATUS_SOURCE_COUNT |
| 84 | } status_source; |
| 85 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 86 | typedef struct { |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 87 | bool is_set; |
| 88 | grpc_error *error; |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 89 | } received_status; |
| 90 | |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 91 | static gpr_atm pack_received_status(received_status r) { |
| 92 | return r.is_set ? (1 | (gpr_atm)r.error) : 0; |
| 93 | } |
| 94 | |
| 95 | static received_status unpack_received_status(gpr_atm atm) { |
| 96 | return (atm & 1) == 0 |
| 97 | ? (received_status){.is_set = false, .error = GRPC_ERROR_NONE} |
| 98 | : (received_status){.is_set = true, |
| 99 | .error = (grpc_error *)(atm & ~(gpr_atm)1)}; |
| 100 | } |
| 101 | |
yang-g | 23f777d | 2017-02-22 23:32:26 -0800 | [diff] [blame] | 102 | #define MAX_ERRORS_PER_BATCH 4 |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 103 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 104 | typedef struct batch_control { |
| 105 | grpc_call *call; |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 106 | /* Share memory for cq_completion and notify_tag as they are never needed |
| 107 | simultaneously. Each byte used in this data structure count as six bytes |
Craig Tiller | 7a8232d | 2017-04-03 10:59:42 -0700 | [diff] [blame] | 108 | per call, so any savings we can make are worthwhile, |
| 109 | |
| 110 | We use notify_tag to determine whether or not to send notification to the |
| 111 | completion queue. Once we've made that determination, we can reuse the |
| 112 | memory for cq_completion. */ |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 113 | union { |
| 114 | grpc_cq_completion cq_completion; |
| 115 | struct { |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 116 | /* Any given op indicates completion by either (a) calling a closure or |
| 117 | (b) sending a notification on the call's completion queue. If |
| 118 | \a is_closure is true, \a tag indicates a closure to be invoked; |
| 119 | otherwise, \a tag indicates the tag to be used in the notification to |
| 120 | be sent to the completion queue. */ |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 121 | void *tag; |
| 122 | bool is_closure; |
| 123 | } notify_tag; |
| 124 | } completion_data; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 125 | grpc_closure start_batch; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 126 | grpc_closure finish_batch; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 127 | gpr_refcount steps_to_complete; |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 128 | |
| 129 | grpc_error *errors[MAX_ERRORS_PER_BATCH]; |
| 130 | gpr_atm num_errors; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 131 | |
Craig Tiller | a0f3abd | 2017-03-31 15:42:16 -0700 | [diff] [blame] | 132 | grpc_transport_stream_op_batch op; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 133 | } batch_control; |
| 134 | |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 135 | typedef struct { |
| 136 | gpr_mu child_list_mu; |
| 137 | grpc_call *first_child; |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 138 | } parent_call; |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 139 | |
| 140 | typedef struct { |
| 141 | grpc_call *parent; |
| 142 | /** siblings: children of the same parent form a list, and this list is |
| 143 | protected under |
| 144 | parent->mu */ |
| 145 | grpc_call *sibling_next; |
| 146 | grpc_call *sibling_prev; |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 147 | } child_call; |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 148 | |
Yuchen Zeng | 6eb505b | 2017-08-25 16:05:29 -0700 | [diff] [blame] | 149 | #define RECV_NONE ((gpr_atm)0) |
| 150 | #define RECV_INITIAL_METADATA_FIRST ((gpr_atm)1) |
| 151 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 152 | struct grpc_call { |
Craig Tiller | dd36b15 | 2017-03-31 08:27:28 -0700 | [diff] [blame] | 153 | gpr_refcount ext_ref; |
Craig Tiller | e7a1702 | 2017-03-13 10:20:38 -0700 | [diff] [blame] | 154 | gpr_arena *arena; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 155 | grpc_call_combiner call_combiner; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 156 | grpc_completion_queue *cq; |
David Garcia Quintas | 2a50dfe | 2016-05-31 15:09:12 -0700 | [diff] [blame] | 157 | grpc_polling_entity pollent; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 158 | grpc_channel *channel; |
Mark D. Roth | 3d88341 | 2016-11-07 13:42:54 -0800 | [diff] [blame] | 159 | gpr_timespec start_time; |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 160 | /* parent_call* */ gpr_atm parent_call_atm; |
| 161 | child_call *child; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 162 | |
Craig Tiller | e5d683c | 2015-02-03 16:37:36 -0800 | [diff] [blame] | 163 | /* client or server call */ |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 164 | bool is_client; |
Craig Tiller | dd36b15 | 2017-03-31 08:27:28 -0700 | [diff] [blame] | 165 | /** has grpc_call_unref been called */ |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 166 | bool destroy_called; |
Craig Tiller | c7df0df | 2015-08-03 08:06:50 -0700 | [diff] [blame] | 167 | /** flag indicating that cancellation is inherited */ |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 168 | bool cancellation_is_inherited; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 169 | /** which ops are in-flight */ |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 170 | bool sent_initial_metadata; |
| 171 | bool sending_message; |
| 172 | bool sent_final_op; |
| 173 | bool received_initial_metadata; |
| 174 | bool receiving_message; |
| 175 | bool requested_final_op; |
Craig Tiller | b597dcf | 2017-03-09 07:02:11 -0800 | [diff] [blame] | 176 | gpr_atm any_ops_sent_atm; |
| 177 | gpr_atm received_final_op_atm; |
yang-g | 0b6ad7d | 2015-06-25 14:39:01 -0700 | [diff] [blame] | 178 | |
Craig Tiller | b58de72 | 2017-03-29 14:15:12 -0700 | [diff] [blame] | 179 | batch_control *active_batches[MAX_CONCURRENT_BATCHES]; |
Craig Tiller | a0f3abd | 2017-03-31 15:42:16 -0700 | [diff] [blame] | 180 | grpc_transport_stream_op_batch_payload stream_op_payload; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 181 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 182 | /* first idx: is_receiving, second idx: is_trailing */ |
| 183 | grpc_metadata_batch metadata_batch[2][2]; |
Craig Tiller | ebf94bf | 2015-02-05 08:48:46 -0800 | [diff] [blame] | 184 | |
Craig Tiller | e5d683c | 2015-02-03 16:37:36 -0800 | [diff] [blame] | 185 | /* Buffered read metadata waiting to be returned to the application. |
| 186 | Element 0 is initial metadata, element 1 is trailing metadata. */ |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 187 | grpc_metadata_array *buffered_metadata[2]; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 188 | |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 189 | grpc_metadata compression_md; |
| 190 | |
| 191 | // A char* indicating the peer name. |
| 192 | gpr_atm peer_string; |
| 193 | |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 194 | /* Packed received call statuses from various sources */ |
| 195 | gpr_atm status[STATUS_SOURCE_COUNT]; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 196 | |
David Garcia Quintas | 01c4d99 | 2016-07-07 20:11:27 -0700 | [diff] [blame] | 197 | /* Call data useful used for reporting. Only valid after the call has |
| 198 | * completed */ |
| 199 | grpc_call_final_info final_info; |
Craig Tiller | 466129e | 2016-03-09 14:43:18 -0800 | [diff] [blame] | 200 | |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 201 | /* Compression algorithm for *incoming* data */ |
| 202 | grpc_compression_algorithm incoming_compression_algorithm; |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 203 | /* Stream compression algorithm for *incoming* data */ |
| 204 | grpc_stream_compression_algorithm incoming_stream_compression_algorithm; |
David Garcia Quintas | e091af8 | 2015-07-15 21:37:02 -0700 | [diff] [blame] | 205 | /* Supported encodings (compression algorithms), a bitset */ |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 206 | uint32_t encodings_accepted_by_peer; |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 207 | /* Supported stream encodings (stream compression algorithms), a bitset */ |
| 208 | uint32_t stream_encodings_accepted_by_peer; |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 209 | |
Julien Boeuf | c6f8d0a | 2015-05-11 22:40:02 -0700 | [diff] [blame] | 210 | /* Contexts for various subsystems (security, tracing, ...). */ |
Julien Boeuf | 83b0297 | 2015-05-20 22:50:34 -0700 | [diff] [blame] | 211 | grpc_call_context_element context[GRPC_CONTEXT_COUNT]; |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 212 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 213 | /* for the client, extra metadata is initial metadata; for the |
| 214 | server, it's trailing metadata */ |
| 215 | grpc_linked_mdelem send_extra_metadata[MAX_SEND_EXTRA_METADATA_COUNT]; |
| 216 | int send_extra_metadata_count; |
Craig Tiller | 6902ad2 | 2015-04-16 08:01:49 -0700 | [diff] [blame] | 217 | gpr_timespec send_deadline; |
| 218 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 219 | grpc_slice_buffer_stream sending_stream; |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 220 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 221 | grpc_byte_stream *receiving_stream; |
| 222 | grpc_byte_buffer **receiving_buffer; |
Craig Tiller | d41a4a7 | 2016-10-26 16:16:06 -0700 | [diff] [blame] | 223 | grpc_slice receiving_slice; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 224 | grpc_closure receiving_slice_ready; |
| 225 | grpc_closure receiving_stream_ready; |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 226 | grpc_closure receiving_initial_metadata_ready; |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 227 | uint32_t test_only_last_message_flags; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 228 | |
Craig Tiller | e7a1702 | 2017-03-13 10:20:38 -0700 | [diff] [blame] | 229 | grpc_closure release_call; |
| 230 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 231 | union { |
| 232 | struct { |
| 233 | grpc_status_code *status; |
Craig Tiller | 68208fe | 2016-11-14 14:35:02 -0800 | [diff] [blame] | 234 | grpc_slice *status_details; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 235 | } client; |
| 236 | struct { |
| 237 | int *cancelled; |
| 238 | } server; |
| 239 | } final_op; |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 240 | |
Yuchen Zeng | 6eb505b | 2017-08-25 16:05:29 -0700 | [diff] [blame] | 241 | /* recv_state can contain one of the following values: |
| 242 | RECV_NONE : : no initial metadata and messages received |
| 243 | RECV_INITIAL_METADATA_FIRST : received initial metadata first |
| 244 | a batch_control* : received messages first |
| 245 | |
| 246 | +------1------RECV_NONE------3-----+ |
| 247 | | | |
| 248 | | | |
| 249 | v v |
| 250 | RECV_INITIAL_METADATA_FIRST receiving_stream_ready_bctlp |
| 251 | | ^ | ^ |
| 252 | | | | | |
| 253 | +-----2-----+ +-----4-----+ |
| 254 | |
| 255 | For 1, 4: See receiving_initial_metadata_ready() function |
| 256 | For 2, 3: See receiving_stream_ready() function */ |
| 257 | gpr_atm recv_state; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 258 | }; |
| 259 | |
ncteisen | 7712c7c | 2017-07-12 23:11:27 -0700 | [diff] [blame] | 260 | grpc_tracer_flag grpc_call_error_trace = |
| 261 | GRPC_TRACER_INITIALIZER(false, "call_error"); |
| 262 | grpc_tracer_flag grpc_compression_trace = |
| 263 | GRPC_TRACER_INITIALIZER(false, "compression"); |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 264 | |
Craig Tiller | 87d5b19 | 2015-04-16 14:37:57 -0700 | [diff] [blame] | 265 | #define CALL_STACK_FROM_CALL(call) ((grpc_call_stack *)((call) + 1)) |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 266 | #define CALL_FROM_CALL_STACK(call_stack) (((grpc_call *)(call_stack)) - 1) |
| 267 | #define CALL_ELEM_FROM_CALL(call, idx) \ |
| 268 | grpc_call_stack_element(CALL_STACK_FROM_CALL(call), idx) |
| 269 | #define CALL_FROM_TOP_ELEM(top_elem) \ |
| 270 | CALL_FROM_CALL_STACK(grpc_call_stack_from_top_element(top_elem)) |
| 271 | |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 272 | static void execute_batch(grpc_exec_ctx *exec_ctx, grpc_call *call, |
| 273 | grpc_transport_stream_op_batch *op, |
| 274 | grpc_closure *start_batch_closure); |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 275 | static void cancel_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, |
| 276 | status_source source, grpc_status_code status, |
| 277 | const char *description); |
Craig Tiller | 255edaa | 2016-12-13 09:04:55 -0800 | [diff] [blame] | 278 | static void cancel_with_error(grpc_exec_ctx *exec_ctx, grpc_call *c, |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 279 | status_source source, grpc_error *error); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 280 | static void destroy_call(grpc_exec_ctx *exec_ctx, void *call_stack, |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 281 | grpc_error *error); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 282 | static void receiving_slice_ready(grpc_exec_ctx *exec_ctx, void *bctlp, |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 283 | grpc_error *error); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 284 | static void get_final_status(grpc_call *call, |
| 285 | void (*set_value)(grpc_status_code code, |
| 286 | void *user_data), |
| 287 | void *set_value_user_data, grpc_slice *details); |
| 288 | static void set_status_value_directly(grpc_status_code status, void *dest); |
| 289 | static void set_status_from_error(grpc_exec_ctx *exec_ctx, grpc_call *call, |
| 290 | status_source source, grpc_error *error); |
| 291 | static void process_data_after_md(grpc_exec_ctx *exec_ctx, batch_control *bctl); |
| 292 | static void post_batch_completion(grpc_exec_ctx *exec_ctx, batch_control *bctl); |
| 293 | static void add_batch_error(grpc_exec_ctx *exec_ctx, batch_control *bctl, |
yang-g | 23f777d | 2017-02-22 23:32:26 -0800 | [diff] [blame] | 294 | grpc_error *error, bool has_cancelled); |
Craig Tiller | bac4142 | 2015-05-29 16:32:28 -0700 | [diff] [blame] | 295 | |
Yash Tibrewal | 52778c4 | 2017-09-11 15:00:11 -0700 | [diff] [blame] | 296 | static void add_init_error(grpc_error **composite, grpc_error *new_err) { |
| 297 | if (new_err == GRPC_ERROR_NONE) return; |
Craig Tiller | f4484cd | 2017-02-01 08:28:40 -0800 | [diff] [blame] | 298 | if (*composite == GRPC_ERROR_NONE) |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 299 | *composite = GRPC_ERROR_CREATE_FROM_STATIC_STRING("Call creation failed"); |
Yash Tibrewal | 52778c4 | 2017-09-11 15:00:11 -0700 | [diff] [blame] | 300 | *composite = grpc_error_add_child(*composite, new_err); |
Craig Tiller | f4484cd | 2017-02-01 08:28:40 -0800 | [diff] [blame] | 301 | } |
| 302 | |
Craig Tiller | 5845091 | 2017-03-16 09:42:43 -0700 | [diff] [blame] | 303 | void *grpc_call_arena_alloc(grpc_call *call, size_t size) { |
| 304 | return gpr_arena_alloc(call->arena, size); |
| 305 | } |
| 306 | |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 307 | static parent_call *get_or_create_parent_call(grpc_call *call) { |
| 308 | parent_call *p = (parent_call *)gpr_atm_acq_load(&call->parent_call_atm); |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 309 | if (p == NULL) { |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 310 | p = (parent_call *)gpr_arena_alloc(call->arena, sizeof(*p)); |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 311 | gpr_mu_init(&p->child_list_mu); |
| 312 | if (!gpr_atm_rel_cas(&call->parent_call_atm, (gpr_atm)NULL, (gpr_atm)p)) { |
| 313 | gpr_mu_destroy(&p->child_list_mu); |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 314 | p = (parent_call *)gpr_atm_acq_load(&call->parent_call_atm); |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 315 | } |
| 316 | } |
| 317 | return p; |
| 318 | } |
| 319 | |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 320 | static parent_call *get_parent_call(grpc_call *call) { |
| 321 | return (parent_call *)gpr_atm_acq_load(&call->parent_call_atm); |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 322 | } |
| 323 | |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 324 | grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx, |
| 325 | const grpc_call_create_args *args, |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 326 | grpc_call **out_call) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 327 | size_t i, j; |
Craig Tiller | f4484cd | 2017-02-01 08:28:40 -0800 | [diff] [blame] | 328 | grpc_error *error = GRPC_ERROR_NONE; |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 329 | grpc_channel_stack *channel_stack = |
| 330 | grpc_channel_get_channel_stack(args->channel); |
Craig Tiller | 1f41b6b | 2015-10-09 15:07:02 -0700 | [diff] [blame] | 331 | grpc_call *call; |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 332 | GPR_TIMER_BEGIN("grpc_call_create", 0); |
Craig Tiller | a6bec8f | 2017-03-14 08:26:04 -0700 | [diff] [blame] | 333 | gpr_arena *arena = |
| 334 | gpr_arena_create(grpc_channel_get_call_size_estimate(args->channel)); |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 335 | call = (grpc_call *)gpr_arena_alloc( |
| 336 | arena, sizeof(grpc_call) + channel_stack->call_stack_size); |
Craig Tiller | dd36b15 | 2017-03-31 08:27:28 -0700 | [diff] [blame] | 337 | gpr_ref_init(&call->ext_ref, 1); |
Craig Tiller | e7a1702 | 2017-03-13 10:20:38 -0700 | [diff] [blame] | 338 | call->arena = arena; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 339 | grpc_call_combiner_init(&call->call_combiner); |
Craig Tiller | 0eaed72 | 2016-09-21 10:44:18 -0700 | [diff] [blame] | 340 | *out_call = call; |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 341 | call->channel = args->channel; |
| 342 | call->cq = args->cq; |
Mark D. Roth | 3d88341 | 2016-11-07 13:42:54 -0800 | [diff] [blame] | 343 | call->start_time = gpr_now(GPR_CLOCK_MONOTONIC); |
David Garcia Quintas | 4612337 | 2016-05-09 15:28:42 -0700 | [diff] [blame] | 344 | /* Always support no compression */ |
| 345 | GPR_BITSET(&call->encodings_accepted_by_peer, GRPC_COMPRESS_NONE); |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 346 | call->is_client = args->server_transport_data == NULL; |
Craig Tiller | 2808668 | 2017-07-18 14:22:19 -0700 | [diff] [blame] | 347 | if (call->is_client) { |
| 348 | GRPC_STATS_INC_CLIENT_CALLS_CREATED(exec_ctx); |
| 349 | } else { |
| 350 | GRPC_STATS_INC_SERVER_CALLS_CREATED(exec_ctx); |
| 351 | } |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 352 | call->stream_op_payload.context = call->context; |
Craig Tiller | 4eecdde | 2016-11-14 08:21:17 -0800 | [diff] [blame] | 353 | grpc_slice path = grpc_empty_slice(); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 354 | if (call->is_client) { |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 355 | GPR_ASSERT(args->add_initial_metadata_count < |
| 356 | MAX_SEND_EXTRA_METADATA_COUNT); |
| 357 | for (i = 0; i < args->add_initial_metadata_count; i++) { |
| 358 | call->send_extra_metadata[i].md = args->add_initial_metadata[i]; |
Craig Tiller | 3b05e1d | 2016-11-21 13:46:31 -0800 | [diff] [blame] | 359 | if (grpc_slice_eq(GRPC_MDKEY(args->add_initial_metadata[i]), |
| 360 | GRPC_MDSTR_PATH)) { |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame] | 361 | path = grpc_slice_ref_internal( |
| 362 | GRPC_MDVALUE(args->add_initial_metadata[i])); |
Mark D. Roth | aa850a7 | 2016-09-26 13:38:02 -0700 | [diff] [blame] | 363 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 364 | } |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 365 | call->send_extra_metadata_count = (int)args->add_initial_metadata_count; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 366 | } else { |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 367 | GPR_ASSERT(args->add_initial_metadata_count == 0); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 368 | call->send_extra_metadata_count = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 369 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 370 | for (i = 0; i < 2; i++) { |
| 371 | for (j = 0; j < 2; j++) { |
| 372 | call->metadata_batch[i][j].deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC); |
| 373 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 374 | } |
Craig Tiller | ca3451d | 2016-09-29 10:27:44 -0700 | [diff] [blame] | 375 | gpr_timespec send_deadline = |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 376 | gpr_convert_clock_type(args->send_deadline, GPR_CLOCK_MONOTONIC); |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 377 | |
Craig Tiller | bea92ba | 2017-04-19 08:33:31 -0700 | [diff] [blame] | 378 | bool immediately_cancel = false; |
| 379 | |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 380 | if (args->parent != NULL) { |
| 381 | child_call *cc = call->child = |
| 382 | (child_call *)gpr_arena_alloc(arena, sizeof(child_call)); |
| 383 | call->child->parent = args->parent; |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 384 | |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 385 | GRPC_CALL_INTERNAL_REF(args->parent, "child"); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 386 | GPR_ASSERT(call->is_client); |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 387 | GPR_ASSERT(!args->parent->is_client); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 388 | |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 389 | parent_call *pc = get_or_create_parent_call(args->parent); |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 390 | |
| 391 | gpr_mu_lock(&pc->child_list_mu); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 392 | |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 393 | if (args->propagation_mask & GRPC_PROPAGATE_DEADLINE) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 394 | send_deadline = gpr_time_min( |
| 395 | gpr_convert_clock_type(send_deadline, |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 396 | args->parent->send_deadline.clock_type), |
| 397 | args->parent->send_deadline); |
Craig Tiller | c7df0df | 2015-08-03 08:06:50 -0700 | [diff] [blame] | 398 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 399 | /* for now GRPC_PROPAGATE_TRACING_CONTEXT *MUST* be passed with |
| 400 | * GRPC_PROPAGATE_STATS_CONTEXT */ |
| 401 | /* TODO(ctiller): This should change to use the appropriate census start_op |
| 402 | * call. */ |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 403 | if (args->propagation_mask & GRPC_PROPAGATE_CENSUS_TRACING_CONTEXT) { |
Craig Tiller | 239af8b | 2017-02-01 10:21:42 -0800 | [diff] [blame] | 404 | if (0 == (args->propagation_mask & GRPC_PROPAGATE_CENSUS_STATS_CONTEXT)) { |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 405 | add_init_error(&error, GRPC_ERROR_CREATE_FROM_STATIC_STRING( |
| 406 | "Census tracing propagation requested " |
| 407 | "without Census context propagation")); |
Craig Tiller | 239af8b | 2017-02-01 10:21:42 -0800 | [diff] [blame] | 408 | } |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 409 | grpc_call_context_set(call, GRPC_CONTEXT_TRACING, |
| 410 | args->parent->context[GRPC_CONTEXT_TRACING].value, |
| 411 | NULL); |
Craig Tiller | f20d307 | 2017-02-01 10:39:26 -0800 | [diff] [blame] | 412 | } else if (args->propagation_mask & GRPC_PROPAGATE_CENSUS_STATS_CONTEXT) { |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 413 | add_init_error(&error, GRPC_ERROR_CREATE_FROM_STATIC_STRING( |
| 414 | "Census context propagation requested " |
| 415 | "without Census tracing propagation")); |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 416 | } |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 417 | if (args->propagation_mask & GRPC_PROPAGATE_CANCELLATION) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 418 | call->cancellation_is_inherited = 1; |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 419 | if (gpr_atm_acq_load(&args->parent->received_final_op_atm)) { |
Craig Tiller | bea92ba | 2017-04-19 08:33:31 -0700 | [diff] [blame] | 420 | immediately_cancel = true; |
Craig Tiller | 123c72b | 2017-03-10 07:33:27 -0800 | [diff] [blame] | 421 | } |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 422 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 423 | |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 424 | if (pc->first_child == NULL) { |
| 425 | pc->first_child = call; |
| 426 | cc->sibling_next = cc->sibling_prev = call; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 427 | } else { |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 428 | cc->sibling_next = pc->first_child; |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 429 | cc->sibling_prev = pc->first_child->child->sibling_prev; |
| 430 | cc->sibling_next->child->sibling_prev = |
| 431 | cc->sibling_prev->child->sibling_next = call; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 432 | } |
| 433 | |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 434 | gpr_mu_unlock(&pc->child_list_mu); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 435 | } |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 436 | |
Mark D. Roth | 14c072c | 2016-08-26 08:31:34 -0700 | [diff] [blame] | 437 | call->send_deadline = send_deadline; |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 438 | |
Craig Tiller | ca3451d | 2016-09-29 10:27:44 -0700 | [diff] [blame] | 439 | GRPC_CHANNEL_INTERNAL_REF(args->channel, "call"); |
Craig Tiller | dd36b15 | 2017-03-31 08:27:28 -0700 | [diff] [blame] | 440 | /* initial refcount dropped by grpc_call_unref */ |
Craig Tiller | d426cac | 2017-03-13 12:30:45 -0700 | [diff] [blame] | 441 | grpc_call_element_args call_args = { |
| 442 | .call_stack = CALL_STACK_FROM_CALL(call), |
| 443 | .server_transport_data = args->server_transport_data, |
| 444 | .context = call->context, |
| 445 | .path = path, |
| 446 | .start_time = call->start_time, |
| 447 | .deadline = send_deadline, |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 448 | .arena = call->arena, |
| 449 | .call_combiner = &call->call_combiner}; |
Craig Tiller | f4484cd | 2017-02-01 08:28:40 -0800 | [diff] [blame] | 450 | add_init_error(&error, grpc_call_stack_init(exec_ctx, channel_stack, 1, |
Craig Tiller | d426cac | 2017-03-13 12:30:45 -0700 | [diff] [blame] | 451 | destroy_call, call, &call_args)); |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 452 | if (error != GRPC_ERROR_NONE) { |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 453 | cancel_with_error(exec_ctx, call, STATUS_FROM_SURFACE, |
| 454 | GRPC_ERROR_REF(error)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 455 | } |
Craig Tiller | bea92ba | 2017-04-19 08:33:31 -0700 | [diff] [blame] | 456 | if (immediately_cancel) { |
| 457 | cancel_with_error(exec_ctx, call, STATUS_FROM_API_OVERRIDE, |
| 458 | GRPC_ERROR_CANCELLED); |
| 459 | } |
Craig Tiller | ca3451d | 2016-09-29 10:27:44 -0700 | [diff] [blame] | 460 | if (args->cq != NULL) { |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 461 | GPR_ASSERT( |
Craig Tiller | ca3451d | 2016-09-29 10:27:44 -0700 | [diff] [blame] | 462 | args->pollset_set_alternative == NULL && |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 463 | "Only one of 'cq' and 'pollset_set_alternative' should be non-NULL."); |
Craig Tiller | ca3451d | 2016-09-29 10:27:44 -0700 | [diff] [blame] | 464 | GRPC_CQ_INTERNAL_REF(args->cq, "bind"); |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 465 | call->pollent = |
Craig Tiller | ca3451d | 2016-09-29 10:27:44 -0700 | [diff] [blame] | 466 | grpc_polling_entity_create_from_pollset(grpc_cq_pollset(args->cq)); |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 467 | } |
Craig Tiller | ca3451d | 2016-09-29 10:27:44 -0700 | [diff] [blame] | 468 | if (args->pollset_set_alternative != NULL) { |
| 469 | call->pollent = grpc_polling_entity_create_from_pollset_set( |
| 470 | args->pollset_set_alternative); |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 471 | } |
| 472 | if (!grpc_polling_entity_is_empty(&call->pollent)) { |
| 473 | grpc_call_stack_set_pollset_or_pollset_set( |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 474 | exec_ctx, CALL_STACK_FROM_CALL(call), &call->pollent); |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 475 | } |
| 476 | |
Craig Tiller | 4eecdde | 2016-11-14 08:21:17 -0800 | [diff] [blame] | 477 | grpc_slice_unref_internal(exec_ctx, path); |
Mark D. Roth | aa850a7 | 2016-09-26 13:38:02 -0700 | [diff] [blame] | 478 | |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 479 | GPR_TIMER_END("grpc_call_create", 0); |
Craig Tiller | 8e21465 | 2016-08-19 09:54:31 -0700 | [diff] [blame] | 480 | return error; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 481 | } |
| 482 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 483 | void grpc_call_set_completion_queue(grpc_exec_ctx *exec_ctx, grpc_call *call, |
| 484 | grpc_completion_queue *cq) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 485 | GPR_ASSERT(cq); |
David Garcia Quintas | f72eb97 | 2016-05-03 18:28:09 -0700 | [diff] [blame] | 486 | |
David Garcia Quintas | c4d5112 | 2016-06-06 14:56:02 -0700 | [diff] [blame] | 487 | if (grpc_polling_entity_pollset_set(&call->pollent) != NULL) { |
David Garcia Quintas | f72eb97 | 2016-05-03 18:28:09 -0700 | [diff] [blame] | 488 | gpr_log(GPR_ERROR, "A pollset_set is already registered for this call."); |
| 489 | abort(); |
| 490 | } |
Craig Tiller | 166e250 | 2015-02-03 20:14:41 -0800 | [diff] [blame] | 491 | call->cq = cq; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 492 | GRPC_CQ_INTERNAL_REF(cq, "bind"); |
David Garcia Quintas | c4d5112 | 2016-06-06 14:56:02 -0700 | [diff] [blame] | 493 | call->pollent = grpc_polling_entity_create_from_pollset(grpc_cq_pollset(cq)); |
David Garcia Quintas | 4afce7e | 2016-04-18 16:25:17 -0700 | [diff] [blame] | 494 | grpc_call_stack_set_pollset_or_pollset_set( |
David Garcia Quintas | 2a50dfe | 2016-05-31 15:09:12 -0700 | [diff] [blame] | 495 | exec_ctx, CALL_STACK_FROM_CALL(call), &call->pollent); |
Craig Tiller | 166e250 | 2015-02-03 20:14:41 -0800 | [diff] [blame] | 496 | } |
| 497 | |
ncteisen | 9c43fc0 | 2017-06-08 16:06:23 -0700 | [diff] [blame] | 498 | #ifndef NDEBUG |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 499 | #define REF_REASON reason |
| 500 | #define REF_ARG , const char *reason |
Craig Tiller | 4df412b | 2015-04-28 07:57:54 -0700 | [diff] [blame] | 501 | #else |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 502 | #define REF_REASON "" |
| 503 | #define REF_ARG |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 504 | #endif |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 505 | void grpc_call_internal_ref(grpc_call *c REF_ARG) { |
| 506 | GRPC_CALL_STACK_REF(CALL_STACK_FROM_CALL(c), REF_REASON); |
| 507 | } |
| 508 | void grpc_call_internal_unref(grpc_exec_ctx *exec_ctx, grpc_call *c REF_ARG) { |
| 509 | GRPC_CALL_STACK_UNREF(exec_ctx, CALL_STACK_FROM_CALL(c), REF_REASON); |
| 510 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 511 | |
Craig Tiller | e7a1702 | 2017-03-13 10:20:38 -0700 | [diff] [blame] | 512 | static void release_call(grpc_exec_ctx *exec_ctx, void *call, |
| 513 | grpc_error *error) { |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 514 | grpc_call *c = (grpc_call *)call; |
Craig Tiller | 51006fe | 2017-03-15 08:07:02 -0700 | [diff] [blame] | 515 | grpc_channel *channel = c->channel; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 516 | grpc_call_combiner_destroy(&c->call_combiner); |
| 517 | gpr_free((char *)c->peer_string); |
Craig Tiller | dbad370 | 2017-03-15 08:21:19 -0700 | [diff] [blame] | 518 | grpc_channel_update_call_size_estimate(channel, gpr_arena_destroy(c->arena)); |
Craig Tiller | 51006fe | 2017-03-15 08:07:02 -0700 | [diff] [blame] | 519 | GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel, "call"); |
Craig Tiller | e7a1702 | 2017-03-13 10:20:38 -0700 | [diff] [blame] | 520 | } |
| 521 | |
David Garcia Quintas | 01c4d99 | 2016-07-07 20:11:27 -0700 | [diff] [blame] | 522 | static void set_status_value_directly(grpc_status_code status, void *dest); |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 523 | static void destroy_call(grpc_exec_ctx *exec_ctx, void *call, |
| 524 | grpc_error *error) { |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 525 | size_t i; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 526 | int ii; |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 527 | grpc_call *c = (grpc_call *)call; |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 528 | GPR_TIMER_BEGIN("destroy_call", 0); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 529 | for (i = 0; i < 2; i++) { |
| 530 | grpc_metadata_batch_destroy( |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 531 | exec_ctx, &c->metadata_batch[1 /* is_receiving */][i /* is_initial */]); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 532 | } |
| 533 | if (c->receiving_stream != NULL) { |
Craig Tiller | 3b66ab9 | 2015-12-09 19:42:22 -0800 | [diff] [blame] | 534 | grpc_byte_stream_destroy(exec_ctx, c->receiving_stream); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 535 | } |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 536 | parent_call *pc = get_parent_call(c); |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 537 | if (pc != NULL) { |
| 538 | gpr_mu_destroy(&pc->child_list_mu); |
| 539 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 540 | for (ii = 0; ii < c->send_extra_metadata_count; ii++) { |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 541 | GRPC_MDELEM_UNREF(exec_ctx, c->send_extra_metadata[ii].md); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 542 | } |
| 543 | for (i = 0; i < GRPC_CONTEXT_COUNT; i++) { |
| 544 | if (c->context[i].destroy) { |
| 545 | c->context[i].destroy(c->context[i].value); |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 546 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 547 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 548 | if (c->cq) { |
Craig Tiller | f840110 | 2017-04-17 09:47:28 -0700 | [diff] [blame] | 549 | GRPC_CQ_INTERNAL_UNREF(exec_ctx, c->cq, "bind"); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 550 | } |
David Garcia Quintas | 01c4d99 | 2016-07-07 20:11:27 -0700 | [diff] [blame] | 551 | |
Yash Tibrewal | 090aca5 | 2017-09-12 12:14:13 -0700 | [diff] [blame] | 552 | get_final_status(c, set_status_value_directly, &c->final_info.final_status, |
| 553 | NULL); |
Mark D. Roth | 3d88341 | 2016-11-07 13:42:54 -0800 | [diff] [blame] | 554 | c->final_info.stats.latency = |
| 555 | gpr_time_sub(gpr_now(GPR_CLOCK_MONOTONIC), c->start_time); |
David Garcia Quintas | 01c4d99 | 2016-07-07 20:11:27 -0700 | [diff] [blame] | 556 | |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 557 | for (i = 0; i < STATUS_SOURCE_COUNT; i++) { |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 558 | GRPC_ERROR_UNREF( |
Craig Tiller | b597dcf | 2017-03-09 07:02:11 -0800 | [diff] [blame] | 559 | unpack_received_status(gpr_atm_acq_load(&c->status[i])).error); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 560 | } |
| 561 | |
Craig Tiller | e7a1702 | 2017-03-13 10:20:38 -0700 | [diff] [blame] | 562 | grpc_call_stack_destroy(exec_ctx, CALL_STACK_FROM_CALL(c), &c->final_info, |
ncteisen | 969b46e | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 563 | GRPC_CLOSURE_INIT(&c->release_call, release_call, c, |
Craig Tiller | e7a1702 | 2017-03-13 10:20:38 -0700 | [diff] [blame] | 564 | grpc_schedule_on_exec_ctx)); |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 565 | GPR_TIMER_END("destroy_call", 0); |
Craig Tiller | a454110 | 2015-01-29 11:46:11 -0800 | [diff] [blame] | 566 | } |
| 567 | |
Craig Tiller | dd36b15 | 2017-03-31 08:27:28 -0700 | [diff] [blame] | 568 | void grpc_call_ref(grpc_call *c) { gpr_ref(&c->ext_ref); } |
| 569 | |
| 570 | void grpc_call_unref(grpc_call *c) { |
| 571 | if (!gpr_unref(&c->ext_ref)) return; |
| 572 | |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 573 | child_call *cc = c->child; |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 574 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Craig Tiller | b8d3a31 | 2015-06-19 17:27:53 -0700 | [diff] [blame] | 575 | |
Craig Tiller | dd36b15 | 2017-03-31 08:27:28 -0700 | [diff] [blame] | 576 | GPR_TIMER_BEGIN("grpc_call_unref", 0); |
| 577 | GRPC_API_TRACE("grpc_call_unref(c=%p)", 1, (c)); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 578 | |
Craig Tiller | 9fd9a44 | 2017-04-05 16:52:34 -0700 | [diff] [blame] | 579 | if (cc) { |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 580 | parent_call *pc = get_parent_call(cc->parent); |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 581 | gpr_mu_lock(&pc->child_list_mu); |
| 582 | if (c == pc->first_child) { |
| 583 | pc->first_child = cc->sibling_next; |
| 584 | if (c == pc->first_child) { |
| 585 | pc->first_child = NULL; |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 586 | } |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 587 | } |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 588 | cc->sibling_prev->child->sibling_next = cc->sibling_next; |
| 589 | cc->sibling_next->child->sibling_prev = cc->sibling_prev; |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 590 | gpr_mu_unlock(&pc->child_list_mu); |
| 591 | GRPC_CALL_INTERNAL_UNREF(&exec_ctx, cc->parent, "child"); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 592 | } |
| 593 | |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 594 | GPR_ASSERT(!c->destroy_called); |
| 595 | c->destroy_called = 1; |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 596 | bool cancel = gpr_atm_acq_load(&c->any_ops_sent_atm) != 0 && |
| 597 | gpr_atm_acq_load(&c->received_final_op_atm) == 0; |
Craig Tiller | 37cbc3f | 2017-02-16 14:54:55 -0800 | [diff] [blame] | 598 | if (cancel) { |
| 599 | cancel_with_error(&exec_ctx, c, STATUS_FROM_API_OVERRIDE, |
| 600 | GRPC_ERROR_CANCELLED); |
Mark D. Roth | 180c6b1 | 2017-09-05 13:46:41 -0700 | [diff] [blame] | 601 | } else { |
| 602 | // Unset the call combiner cancellation closure. This has the |
| 603 | // effect of scheduling the previously set cancellation closure, if |
| 604 | // any, so that it can release any internal references it may be |
| 605 | // holding to the call stack. |
| 606 | grpc_call_combiner_set_notify_on_cancel(&exec_ctx, &c->call_combiner, NULL); |
Craig Tiller | 37cbc3f | 2017-02-16 14:54:55 -0800 | [diff] [blame] | 607 | } |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 608 | GRPC_CALL_INTERNAL_UNREF(&exec_ctx, c, "destroy"); |
| 609 | grpc_exec_ctx_finish(&exec_ctx); |
Craig Tiller | dd36b15 | 2017-03-31 08:27:28 -0700 | [diff] [blame] | 610 | GPR_TIMER_END("grpc_call_unref", 0); |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 611 | } |
Craig Tiller | 3054756 | 2015-02-05 17:04:51 -0800 | [diff] [blame] | 612 | |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 613 | grpc_call_error grpc_call_cancel(grpc_call *call, void *reserved) { |
| 614 | GRPC_API_TRACE("grpc_call_cancel(call=%p, reserved=%p)", 2, (call, reserved)); |
| 615 | GPR_ASSERT(!reserved); |
Craig Tiller | 37cbc3f | 2017-02-16 14:54:55 -0800 | [diff] [blame] | 616 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| 617 | cancel_with_error(&exec_ctx, call, STATUS_FROM_API_OVERRIDE, |
| 618 | GRPC_ERROR_CANCELLED); |
| 619 | grpc_exec_ctx_finish(&exec_ctx); |
| 620 | return GRPC_CALL_OK; |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 621 | } |
| 622 | |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 623 | // This is called via the call combiner to start sending a batch down |
| 624 | // the filter stack. |
| 625 | static void execute_batch_in_call_combiner(grpc_exec_ctx *exec_ctx, void *arg, |
| 626 | grpc_error *ignored) { |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 627 | grpc_transport_stream_op_batch *batch = (grpc_transport_stream_op_batch *)arg; |
| 628 | grpc_call *call = (grpc_call *)batch->handler_private.extra_arg; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 629 | GPR_TIMER_BEGIN("execute_batch", 0); |
| 630 | grpc_call_element *elem = CALL_ELEM_FROM_CALL(call, 0); |
| 631 | GRPC_CALL_LOG_OP(GPR_INFO, elem, batch); |
| 632 | elem->filter->start_transport_stream_op_batch(exec_ctx, elem, batch); |
| 633 | GPR_TIMER_END("execute_batch", 0); |
| 634 | } |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 635 | |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 636 | // start_batch_closure points to a caller-allocated closure to be used |
| 637 | // for entering the call combiner. |
| 638 | static void execute_batch(grpc_exec_ctx *exec_ctx, grpc_call *call, |
| 639 | grpc_transport_stream_op_batch *batch, |
| 640 | grpc_closure *start_batch_closure) { |
| 641 | batch->handler_private.extra_arg = call; |
| 642 | GRPC_CLOSURE_INIT(start_batch_closure, execute_batch_in_call_combiner, batch, |
| 643 | grpc_schedule_on_exec_ctx); |
| 644 | GRPC_CALL_COMBINER_START(exec_ctx, &call->call_combiner, start_batch_closure, |
| 645 | GRPC_ERROR_NONE, "executing batch"); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 646 | } |
| 647 | |
| 648 | char *grpc_call_get_peer(grpc_call *call) { |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 649 | char *peer_string = (char *)gpr_atm_acq_load(&call->peer_string); |
| 650 | if (peer_string != NULL) return gpr_strdup(peer_string); |
| 651 | peer_string = grpc_channel_get_target(call->channel); |
| 652 | if (peer_string != NULL) return peer_string; |
| 653 | return gpr_strdup("unknown"); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 654 | } |
| 655 | |
| 656 | grpc_call *grpc_call_from_top_element(grpc_call_element *elem) { |
| 657 | return CALL_FROM_TOP_ELEM(elem); |
| 658 | } |
| 659 | |
| 660 | /******************************************************************************* |
| 661 | * CANCELLATION |
| 662 | */ |
| 663 | |
| 664 | grpc_call_error grpc_call_cancel_with_status(grpc_call *c, |
| 665 | grpc_status_code status, |
| 666 | const char *description, |
| 667 | void *reserved) { |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 668 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| 669 | GRPC_API_TRACE( |
| 670 | "grpc_call_cancel_with_status(" |
| 671 | "c=%p, status=%d, description=%s, reserved=%p)", |
| 672 | 4, (c, (int)status, description, reserved)); |
| 673 | GPR_ASSERT(reserved == NULL); |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 674 | cancel_with_status(&exec_ctx, c, STATUS_FROM_API_OVERRIDE, status, |
| 675 | description); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 676 | grpc_exec_ctx_finish(&exec_ctx); |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 677 | return GRPC_CALL_OK; |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 678 | } |
| 679 | |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 680 | typedef struct { |
| 681 | grpc_call *call; |
| 682 | grpc_closure start_batch; |
| 683 | grpc_closure finish_batch; |
| 684 | } cancel_state; |
| 685 | |
| 686 | // The on_complete callback used when sending a cancel_stream batch down |
| 687 | // the filter stack. Yields the call combiner when the batch is done. |
| 688 | static void done_termination(grpc_exec_ctx *exec_ctx, void *arg, |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 689 | grpc_error *error) { |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 690 | cancel_state *state = (cancel_state *)arg; |
| 691 | GRPC_CALL_COMBINER_STOP(exec_ctx, &state->call->call_combiner, |
| 692 | "on_complete for cancel_stream op"); |
| 693 | GRPC_CALL_INTERNAL_UNREF(exec_ctx, state->call, "termination"); |
| 694 | gpr_free(state); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 695 | } |
| 696 | |
Craig Tiller | 255edaa | 2016-12-13 09:04:55 -0800 | [diff] [blame] | 697 | static void cancel_with_error(grpc_exec_ctx *exec_ctx, grpc_call *c, |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 698 | status_source source, grpc_error *error) { |
Craig Tiller | c5b90df | 2017-03-10 16:11:08 -0800 | [diff] [blame] | 699 | GRPC_CALL_INTERNAL_REF(c, "termination"); |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 700 | // Inform the call combiner of the cancellation, so that it can cancel |
| 701 | // any in-flight asynchronous actions that may be holding the call |
| 702 | // combiner. This ensures that the cancel_stream batch can be sent |
| 703 | // down the filter stack in a timely manner. |
| 704 | grpc_call_combiner_cancel(exec_ctx, &c->call_combiner, GRPC_ERROR_REF(error)); |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 705 | set_status_from_error(exec_ctx, c, source, GRPC_ERROR_REF(error)); |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 706 | cancel_state *state = (cancel_state *)gpr_malloc(sizeof(*state)); |
| 707 | state->call = c; |
| 708 | GRPC_CLOSURE_INIT(&state->finish_batch, done_termination, state, |
| 709 | grpc_schedule_on_exec_ctx); |
| 710 | grpc_transport_stream_op_batch *op = |
| 711 | grpc_make_transport_stream_op(&state->finish_batch); |
Craig Tiller | 22b182b | 2017-03-16 10:56:58 -0700 | [diff] [blame] | 712 | op->cancel_stream = true; |
| 713 | op->payload->cancel_stream.cancel_error = error; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 714 | execute_batch(exec_ctx, c, op, &state->start_batch); |
Craig Tiller | 255edaa | 2016-12-13 09:04:55 -0800 | [diff] [blame] | 715 | } |
| 716 | |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 717 | static grpc_error *error_from_status(grpc_status_code status, |
| 718 | const char *description) { |
Alexander Polcyn | 088e85c | 2017-07-28 14:53:20 -0700 | [diff] [blame] | 719 | // copying 'description' is needed to ensure the grpc_call_cancel_with_status |
| 720 | // guarantee that can be short-lived. |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 721 | return grpc_error_set_int( |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 722 | grpc_error_set_str(GRPC_ERROR_CREATE_FROM_COPIED_STRING(description), |
| 723 | GRPC_ERROR_STR_GRPC_MESSAGE, |
| 724 | grpc_slice_from_copied_string(description)), |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 725 | GRPC_ERROR_INT_GRPC_STATUS, status); |
| 726 | } |
| 727 | |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 728 | static void cancel_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, |
| 729 | status_source source, grpc_status_code status, |
| 730 | const char *description) { |
| 731 | cancel_with_error(exec_ctx, c, source, |
| 732 | error_from_status(status, description)); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 733 | } |
| 734 | |
| 735 | /******************************************************************************* |
| 736 | * FINAL STATUS CODE MANIPULATION |
| 737 | */ |
| 738 | |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 739 | static bool get_final_status_from( |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 740 | grpc_call *call, grpc_error *error, bool allow_ok_status, |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 741 | void (*set_value)(grpc_status_code code, void *user_data), |
| 742 | void *set_value_user_data, grpc_slice *details) { |
Craig Tiller | 737b625 | 2017-01-09 15:25:15 -0800 | [diff] [blame] | 743 | grpc_status_code code; |
ncteisen | eb2b115 | 2017-03-28 15:27:27 -0700 | [diff] [blame] | 744 | grpc_slice slice = grpc_empty_slice(); |
ncteisen | bbb3801 | 2017-03-10 14:58:43 -0800 | [diff] [blame] | 745 | grpc_error_get_status(error, call->send_deadline, &code, &slice, NULL); |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 746 | if (code == GRPC_STATUS_OK && !allow_ok_status) { |
| 747 | return false; |
| 748 | } |
Craig Tiller | 737b625 | 2017-01-09 15:25:15 -0800 | [diff] [blame] | 749 | |
| 750 | set_value(code, set_value_user_data); |
| 751 | if (details != NULL) { |
ncteisen | bbb3801 | 2017-03-10 14:58:43 -0800 | [diff] [blame] | 752 | *details = grpc_slice_ref_internal(slice); |
Craig Tiller | 737b625 | 2017-01-09 15:25:15 -0800 | [diff] [blame] | 753 | } |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 754 | return true; |
Craig Tiller | 737b625 | 2017-01-09 15:25:15 -0800 | [diff] [blame] | 755 | } |
| 756 | |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 757 | static void get_final_status(grpc_call *call, |
| 758 | void (*set_value)(grpc_status_code code, |
| 759 | void *user_data), |
| 760 | void *set_value_user_data, grpc_slice *details) { |
| 761 | int i; |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 762 | received_status status[STATUS_SOURCE_COUNT]; |
| 763 | for (i = 0; i < STATUS_SOURCE_COUNT; i++) { |
| 764 | status[i] = unpack_received_status(gpr_atm_acq_load(&call->status[i])); |
| 765 | } |
Craig Tiller | 84f75d4 | 2017-05-03 13:06:35 -0700 | [diff] [blame] | 766 | if (GRPC_TRACER_ON(grpc_call_error_trace)) { |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 767 | gpr_log(GPR_DEBUG, "get_final_status %s", call->is_client ? "CLI" : "SVR"); |
| 768 | for (i = 0; i < STATUS_SOURCE_COUNT; i++) { |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 769 | if (status[i].is_set) { |
| 770 | 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] | 771 | } |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 772 | } |
| 773 | } |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 774 | /* first search through ignoring "OK" statuses: if something went wrong, |
| 775 | * ensure we report it */ |
| 776 | for (int allow_ok_status = 0; allow_ok_status < 2; allow_ok_status++) { |
| 777 | /* search for the best status we can present: ideally the error we use has a |
| 778 | clearly defined grpc-status, and we'll prefer that. */ |
| 779 | for (i = 0; i < STATUS_SOURCE_COUNT; i++) { |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 780 | if (status[i].is_set && |
| 781 | grpc_error_has_clear_grpc_status(status[i].error)) { |
| 782 | if (get_final_status_from(call, status[i].error, allow_ok_status != 0, |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 783 | set_value, set_value_user_data, details)) { |
| 784 | return; |
| 785 | } |
| 786 | } |
| 787 | } |
| 788 | /* If no clearly defined status exists, search for 'anything' */ |
| 789 | for (i = 0; i < STATUS_SOURCE_COUNT; i++) { |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 790 | if (status[i].is_set) { |
| 791 | if (get_final_status_from(call, status[i].error, allow_ok_status != 0, |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 792 | set_value, set_value_user_data, details)) { |
| 793 | return; |
| 794 | } |
| 795 | } |
Craig Tiller | 737b625 | 2017-01-09 15:25:15 -0800 | [diff] [blame] | 796 | } |
| 797 | } |
| 798 | /* If nothing exists, set some default */ |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 799 | if (call->is_client) { |
| 800 | set_value(GRPC_STATUS_UNKNOWN, set_value_user_data); |
Craig Tiller | be1b9a7 | 2016-06-24 13:22:11 -0700 | [diff] [blame] | 801 | } else { |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 802 | set_value(GRPC_STATUS_OK, set_value_user_data); |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 803 | } |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 804 | } |
| 805 | |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 806 | static void set_status_from_error(grpc_exec_ctx *exec_ctx, grpc_call *call, |
| 807 | status_source source, grpc_error *error) { |
Craig Tiller | 4bab946 | 2017-02-22 08:56:02 -0800 | [diff] [blame] | 808 | if (!gpr_atm_rel_cas(&call->status[source], |
| 809 | pack_received_status((received_status){ |
| 810 | .is_set = false, .error = GRPC_ERROR_NONE}), |
| 811 | pack_received_status((received_status){ |
| 812 | .is_set = true, .error = error}))) { |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 813 | GRPC_ERROR_UNREF(error); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 814 | } |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 815 | } |
| 816 | |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 817 | /******************************************************************************* |
| 818 | * COMPRESSION |
| 819 | */ |
| 820 | |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 821 | static void set_incoming_compression_algorithm( |
| 822 | grpc_call *call, grpc_compression_algorithm algo) { |
David Garcia Quintas | 303d308 | 2016-05-05 18:25:34 -0700 | [diff] [blame] | 823 | GPR_ASSERT(algo < GRPC_COMPRESS_ALGORITHMS_COUNT); |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 824 | call->incoming_compression_algorithm = algo; |
David Garcia Quintas | db94b27 | 2015-06-15 18:37:01 -0700 | [diff] [blame] | 825 | } |
| 826 | |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 827 | static void set_incoming_stream_compression_algorithm( |
| 828 | grpc_call *call, grpc_stream_compression_algorithm algo) { |
| 829 | GPR_ASSERT(algo < GRPC_STREAM_COMPRESS_ALGORITHMS_COUNT); |
| 830 | call->incoming_stream_compression_algorithm = algo; |
| 831 | } |
| 832 | |
David Garcia Quintas | 0c33188 | 2015-10-08 14:51:54 -0700 | [diff] [blame] | 833 | grpc_compression_algorithm grpc_call_test_only_get_compression_algorithm( |
David Garcia Quintas | 64824be | 2015-10-06 19:45:36 -0700 | [diff] [blame] | 834 | grpc_call *call) { |
| 835 | grpc_compression_algorithm algorithm; |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 836 | algorithm = call->incoming_compression_algorithm; |
David Garcia Quintas | 64824be | 2015-10-06 19:45:36 -0700 | [diff] [blame] | 837 | return algorithm; |
David Garcia Quintas | 7c0d914 | 2015-07-23 04:58:20 -0700 | [diff] [blame] | 838 | } |
| 839 | |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 840 | static grpc_compression_algorithm compression_algorithm_for_level_locked( |
| 841 | grpc_call *call, grpc_compression_level level) { |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 842 | return grpc_compression_algorithm_for_level(level, |
| 843 | call->encodings_accepted_by_peer); |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 844 | } |
| 845 | |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 846 | static grpc_stream_compression_algorithm |
| 847 | stream_compression_algorithm_for_level_locked( |
| 848 | grpc_call *call, grpc_stream_compression_level level) { |
| 849 | return grpc_stream_compression_algorithm_for_level( |
| 850 | level, call->stream_encodings_accepted_by_peer); |
| 851 | } |
| 852 | |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 853 | uint32_t grpc_call_test_only_get_message_flags(grpc_call *call) { |
| 854 | uint32_t flags; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 855 | flags = call->test_only_last_message_flags; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 856 | return flags; |
| 857 | } |
| 858 | |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 859 | static void destroy_encodings_accepted_by_peer(void *p) { return; } |
| 860 | |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 861 | static void set_encodings_accepted_by_peer(grpc_exec_ctx *exec_ctx, |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame] | 862 | grpc_call *call, grpc_mdelem mdel) { |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 863 | size_t i; |
| 864 | grpc_compression_algorithm algorithm; |
Craig Tiller | d41a4a7 | 2016-10-26 16:16:06 -0700 | [diff] [blame] | 865 | grpc_slice_buffer accept_encoding_parts; |
| 866 | grpc_slice accept_encoding_slice; |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 867 | void *accepted_user_data; |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 868 | |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 869 | accepted_user_data = |
| 870 | grpc_mdelem_get_user_data(mdel, destroy_encodings_accepted_by_peer); |
| 871 | if (accepted_user_data != NULL) { |
| 872 | call->encodings_accepted_by_peer = |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 873 | (uint32_t)(((uintptr_t)accepted_user_data) - 1); |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 874 | return; |
| 875 | } |
| 876 | |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame] | 877 | accept_encoding_slice = GRPC_MDVALUE(mdel); |
Craig Tiller | d41a4a7 | 2016-10-26 16:16:06 -0700 | [diff] [blame] | 878 | grpc_slice_buffer_init(&accept_encoding_parts); |
| 879 | grpc_slice_split(accept_encoding_slice, ",", &accept_encoding_parts); |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 880 | |
David Garcia Quintas | e091af8 | 2015-07-15 21:37:02 -0700 | [diff] [blame] | 881 | /* No need to zero call->encodings_accepted_by_peer: grpc_call_create already |
| 882 | * zeroes the whole grpc_call */ |
David Garcia Quintas | b1866bd | 2015-07-08 22:37:01 -0700 | [diff] [blame] | 883 | /* Always support no compression */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 884 | GPR_BITSET(&call->encodings_accepted_by_peer, GRPC_COMPRESS_NONE); |
| 885 | for (i = 0; i < accept_encoding_parts.count; i++) { |
Craig Tiller | 68208fe | 2016-11-14 14:35:02 -0800 | [diff] [blame] | 886 | grpc_slice accept_encoding_entry_slice = accept_encoding_parts.slices[i]; |
| 887 | if (grpc_compression_algorithm_parse(accept_encoding_entry_slice, |
| 888 | &algorithm)) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 889 | GPR_BITSET(&call->encodings_accepted_by_peer, algorithm); |
| 890 | } else { |
| 891 | char *accept_encoding_entry_str = |
Craig Tiller | b4aa70e | 2016-12-09 09:40:11 -0800 | [diff] [blame] | 892 | grpc_slice_to_c_string(accept_encoding_entry_slice); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 893 | gpr_log(GPR_ERROR, |
| 894 | "Invalid entry in accept encoding metadata: '%s'. Ignoring.", |
| 895 | accept_encoding_entry_str); |
| 896 | gpr_free(accept_encoding_entry_str); |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 897 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 898 | } |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 899 | |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 900 | grpc_slice_buffer_destroy_internal(exec_ctx, &accept_encoding_parts); |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 901 | |
| 902 | grpc_mdelem_set_user_data( |
| 903 | mdel, destroy_encodings_accepted_by_peer, |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 904 | (void *)(((uintptr_t)call->encodings_accepted_by_peer) + 1)); |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 905 | } |
| 906 | |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 907 | static void set_stream_encodings_accepted_by_peer(grpc_exec_ctx *exec_ctx, |
| 908 | grpc_call *call, |
| 909 | grpc_mdelem mdel) { |
| 910 | size_t i; |
| 911 | grpc_stream_compression_algorithm algorithm; |
| 912 | grpc_slice_buffer accept_encoding_parts; |
| 913 | grpc_slice accept_encoding_slice; |
| 914 | void *accepted_user_data; |
| 915 | |
| 916 | accepted_user_data = |
| 917 | grpc_mdelem_get_user_data(mdel, destroy_encodings_accepted_by_peer); |
| 918 | if (accepted_user_data != NULL) { |
| 919 | call->stream_encodings_accepted_by_peer = |
| 920 | (uint32_t)(((uintptr_t)accepted_user_data) - 1); |
| 921 | return; |
| 922 | } |
| 923 | |
| 924 | accept_encoding_slice = GRPC_MDVALUE(mdel); |
| 925 | grpc_slice_buffer_init(&accept_encoding_parts); |
| 926 | grpc_slice_split(accept_encoding_slice, ",", &accept_encoding_parts); |
| 927 | |
| 928 | /* Always support no compression */ |
| 929 | GPR_BITSET(&call->stream_encodings_accepted_by_peer, |
| 930 | GRPC_STREAM_COMPRESS_NONE); |
| 931 | for (i = 0; i < accept_encoding_parts.count; i++) { |
| 932 | grpc_slice accept_encoding_entry_slice = accept_encoding_parts.slices[i]; |
| 933 | if (grpc_stream_compression_algorithm_parse(accept_encoding_entry_slice, |
| 934 | &algorithm)) { |
| 935 | GPR_BITSET(&call->stream_encodings_accepted_by_peer, algorithm); |
| 936 | } else { |
| 937 | char *accept_encoding_entry_str = |
| 938 | grpc_slice_to_c_string(accept_encoding_entry_slice); |
| 939 | gpr_log(GPR_ERROR, |
| 940 | "Invalid entry in accept encoding metadata: '%s'. Ignoring.", |
| 941 | accept_encoding_entry_str); |
| 942 | gpr_free(accept_encoding_entry_str); |
| 943 | } |
| 944 | } |
| 945 | |
| 946 | grpc_slice_buffer_destroy_internal(exec_ctx, &accept_encoding_parts); |
| 947 | |
| 948 | grpc_mdelem_set_user_data( |
| 949 | mdel, destroy_encodings_accepted_by_peer, |
| 950 | (void *)(((uintptr_t)call->stream_encodings_accepted_by_peer) + 1)); |
| 951 | } |
| 952 | |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 953 | uint32_t grpc_call_test_only_get_encodings_accepted_by_peer(grpc_call *call) { |
| 954 | uint32_t encodings_accepted_by_peer; |
David Garcia Quintas | 0c33188 | 2015-10-08 14:51:54 -0700 | [diff] [blame] | 955 | encodings_accepted_by_peer = call->encodings_accepted_by_peer; |
David Garcia Quintas | 0c33188 | 2015-10-08 14:51:54 -0700 | [diff] [blame] | 956 | return encodings_accepted_by_peer; |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 957 | } |
| 958 | |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 959 | uint32_t grpc_call_test_only_get_stream_encodings_accepted_by_peer( |
| 960 | grpc_call *call) { |
| 961 | uint32_t stream_encodings_accepted_by_peer; |
| 962 | stream_encodings_accepted_by_peer = call->stream_encodings_accepted_by_peer; |
| 963 | return stream_encodings_accepted_by_peer; |
| 964 | } |
| 965 | |
| 966 | grpc_stream_compression_algorithm |
| 967 | grpc_call_test_only_get_incoming_stream_encodings(grpc_call *call) { |
| 968 | return call->incoming_stream_compression_algorithm; |
| 969 | } |
| 970 | |
Noah Eisen | e6432bf | 2017-07-31 16:37:15 -0700 | [diff] [blame] | 971 | static grpc_linked_mdelem *linked_from_md(const grpc_metadata *md) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 972 | return (grpc_linked_mdelem *)&md->internal_data; |
Craig Tiller | c12fee6 | 2015-02-03 11:55:50 -0800 | [diff] [blame] | 973 | } |
| 974 | |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 975 | static grpc_metadata *get_md_elem(grpc_metadata *metadata, |
| 976 | grpc_metadata *additional_metadata, int i, |
| 977 | int count) { |
| 978 | grpc_metadata *res = |
| 979 | i < count ? &metadata[i] : &additional_metadata[i - count]; |
| 980 | GPR_ASSERT(res); |
| 981 | return res; |
| 982 | } |
| 983 | |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 984 | static int prepare_application_metadata( |
| 985 | grpc_exec_ctx *exec_ctx, grpc_call *call, int count, |
| 986 | grpc_metadata *metadata, int is_trailing, int prepend_extra_metadata, |
| 987 | grpc_metadata *additional_metadata, int additional_metadata_count) { |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 988 | int total_count = count + additional_metadata_count; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 989 | int i; |
| 990 | grpc_metadata_batch *batch = |
| 991 | &call->metadata_batch[0 /* is_receiving */][is_trailing]; |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 992 | for (i = 0; i < total_count; i++) { |
| 993 | const grpc_metadata *md = |
| 994 | get_md_elem(metadata, additional_metadata, i, count); |
Noah Eisen | e6432bf | 2017-07-31 16:37:15 -0700 | [diff] [blame] | 995 | grpc_linked_mdelem *l = linked_from_md(md); |
Craig Tiller | b42445c | 2016-04-22 13:11:44 -0700 | [diff] [blame] | 996 | GPR_ASSERT(sizeof(grpc_linked_mdelem) == sizeof(md->internal_data)); |
Craig Tiller | f2b5b7e | 2017-01-10 08:28:59 -0800 | [diff] [blame] | 997 | if (!GRPC_LOG_IF_ERROR("validate_metadata", |
| 998 | grpc_validate_header_key_is_legal(md->key))) { |
Craig Tiller | b42445c | 2016-04-22 13:11:44 -0700 | [diff] [blame] | 999 | break; |
Craig Tiller | df2d922 | 2016-11-18 16:38:57 -0800 | [diff] [blame] | 1000 | } else if (!grpc_is_binary_header(md->key) && |
Craig Tiller | f2b5b7e | 2017-01-10 08:28:59 -0800 | [diff] [blame] | 1001 | !GRPC_LOG_IF_ERROR( |
| 1002 | "validate_metadata", |
| 1003 | grpc_validate_header_nonbin_value_is_legal(md->value))) { |
Craig Tiller | b42445c | 2016-04-22 13:11:44 -0700 | [diff] [blame] | 1004 | break; |
| 1005 | } |
Craig Tiller | 1282a67 | 2016-11-18 14:57:53 -0800 | [diff] [blame] | 1006 | l->md = grpc_mdelem_from_grpc_metadata(exec_ctx, (grpc_metadata *)md); |
Craig Tiller | b42445c | 2016-04-22 13:11:44 -0700 | [diff] [blame] | 1007 | } |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1008 | if (i != total_count) { |
Craig Tiller | 5ae3ffb | 2016-11-18 14:58:32 -0800 | [diff] [blame] | 1009 | for (int j = 0; j < i; j++) { |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1010 | const grpc_metadata *md = |
| 1011 | get_md_elem(metadata, additional_metadata, j, count); |
Noah Eisen | e6432bf | 2017-07-31 16:37:15 -0700 | [diff] [blame] | 1012 | grpc_linked_mdelem *l = linked_from_md(md); |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 1013 | GRPC_MDELEM_UNREF(exec_ctx, l->md); |
Craig Tiller | b42445c | 2016-04-22 13:11:44 -0700 | [diff] [blame] | 1014 | } |
| 1015 | return 0; |
| 1016 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1017 | if (prepend_extra_metadata) { |
| 1018 | if (call->send_extra_metadata_count == 0) { |
| 1019 | prepend_extra_metadata = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1020 | } else { |
Craig Tiller | 0960818 | 2016-11-22 15:43:56 -0800 | [diff] [blame] | 1021 | for (i = 0; i < call->send_extra_metadata_count; i++) { |
| 1022 | GRPC_LOG_IF_ERROR("prepare_application_metadata", |
| 1023 | grpc_metadata_batch_link_tail( |
Craig Tiller | 9277aa7 | 2017-01-11 14:15:38 -0800 | [diff] [blame] | 1024 | exec_ctx, batch, &call->send_extra_metadata[i])); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1025 | } |
Craig Tiller | 629b0ed | 2015-04-22 11:14:26 -0700 | [diff] [blame] | 1026 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1027 | } |
Craig Tiller | 0960818 | 2016-11-22 15:43:56 -0800 | [diff] [blame] | 1028 | for (i = 0; i < total_count; i++) { |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1029 | grpc_metadata *md = get_md_elem(metadata, additional_metadata, i, count); |
Noah Eisen | e6432bf | 2017-07-31 16:37:15 -0700 | [diff] [blame] | 1030 | grpc_linked_mdelem *l = linked_from_md(md); |
| 1031 | grpc_error *error = grpc_metadata_batch_link_tail(exec_ctx, batch, l); |
| 1032 | if (error != GRPC_ERROR_NONE) { |
| 1033 | GRPC_MDELEM_UNREF(exec_ctx, l->md); |
| 1034 | } |
| 1035 | GRPC_LOG_IF_ERROR("prepare_application_metadata", error); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1036 | } |
Craig Tiller | 0960818 | 2016-11-22 15:43:56 -0800 | [diff] [blame] | 1037 | call->send_extra_metadata_count = 0; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1038 | |
Craig Tiller | b96d001 | 2015-05-06 15:33:23 -0700 | [diff] [blame] | 1039 | return 1; |
| 1040 | } |
| 1041 | |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 1042 | /* we offset status by a small amount when storing it into transport metadata |
| 1043 | as metadata cannot store a 0 value (which is used as OK for grpc_status_codes |
| 1044 | */ |
| 1045 | #define STATUS_OFFSET 1 |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1046 | static void destroy_status(void *ignored) {} |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 1047 | |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame] | 1048 | static uint32_t decode_status(grpc_mdelem md) { |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1049 | uint32_t status; |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 1050 | void *user_data; |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame] | 1051 | if (grpc_mdelem_eq(md, GRPC_MDELEM_GRPC_STATUS_0)) return 0; |
| 1052 | if (grpc_mdelem_eq(md, GRPC_MDELEM_GRPC_STATUS_1)) return 1; |
| 1053 | if (grpc_mdelem_eq(md, GRPC_MDELEM_GRPC_STATUS_2)) return 2; |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 1054 | user_data = grpc_mdelem_get_user_data(md, destroy_status); |
| 1055 | if (user_data != NULL) { |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1056 | status = ((uint32_t)(intptr_t)user_data) - STATUS_OFFSET; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1057 | } else { |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame] | 1058 | if (!grpc_parse_slice_to_uint32(GRPC_MDVALUE(md), &status)) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1059 | status = GRPC_STATUS_UNKNOWN; /* could not parse status code */ |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 1060 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1061 | grpc_mdelem_set_user_data(md, destroy_status, |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1062 | (void *)(intptr_t)(status + STATUS_OFFSET)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1063 | } |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 1064 | return status; |
| 1065 | } |
| 1066 | |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame] | 1067 | static grpc_compression_algorithm decode_compression(grpc_mdelem md) { |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 1068 | grpc_compression_algorithm algorithm = |
Craig Tiller | 0160de9 | 2016-11-18 08:46:46 -0800 | [diff] [blame] | 1069 | grpc_compression_algorithm_from_slice(GRPC_MDVALUE(md)); |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 1070 | if (algorithm == GRPC_COMPRESS_ALGORITHMS_COUNT) { |
Craig Tiller | b4aa70e | 2016-12-09 09:40:11 -0800 | [diff] [blame] | 1071 | 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] | 1072 | gpr_log(GPR_ERROR, |
| 1073 | "Invalid incoming compression algorithm: '%s'. Interpreting " |
| 1074 | "incoming data as uncompressed.", |
| 1075 | md_c_str); |
Craig Tiller | 68208fe | 2016-11-14 14:35:02 -0800 | [diff] [blame] | 1076 | gpr_free(md_c_str); |
David Garcia Quintas | 303d308 | 2016-05-05 18:25:34 -0700 | [diff] [blame] | 1077 | return GRPC_COMPRESS_NONE; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1078 | } |
David Garcia Quintas | fc0fa33 | 2015-06-25 18:11:07 -0700 | [diff] [blame] | 1079 | return algorithm; |
David Garcia Quintas | db94b27 | 2015-06-15 18:37:01 -0700 | [diff] [blame] | 1080 | } |
| 1081 | |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1082 | static grpc_stream_compression_algorithm decode_stream_compression( |
| 1083 | grpc_mdelem md) { |
| 1084 | grpc_stream_compression_algorithm algorithm = |
| 1085 | grpc_stream_compression_algorithm_from_slice(GRPC_MDVALUE(md)); |
| 1086 | if (algorithm == GRPC_STREAM_COMPRESS_ALGORITHMS_COUNT) { |
| 1087 | char *md_c_str = grpc_slice_to_c_string(GRPC_MDVALUE(md)); |
| 1088 | gpr_log(GPR_ERROR, |
| 1089 | "Invalid incoming stream compression algorithm: '%s'. Interpreting " |
| 1090 | "incoming data as uncompressed.", |
| 1091 | md_c_str); |
| 1092 | gpr_free(md_c_str); |
| 1093 | return GRPC_STREAM_COMPRESS_NONE; |
| 1094 | } |
| 1095 | return algorithm; |
| 1096 | } |
| 1097 | |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1098 | static void publish_app_metadata(grpc_call *call, grpc_metadata_batch *b, |
| 1099 | int is_trailing) { |
Craig Tiller | 0960818 | 2016-11-22 15:43:56 -0800 | [diff] [blame] | 1100 | if (b->list.count == 0) return; |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1101 | GPR_TIMER_BEGIN("publish_app_metadata", 0); |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 1102 | grpc_metadata_array *dest; |
| 1103 | grpc_metadata *mdusr; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1104 | dest = call->buffered_metadata[is_trailing]; |
Craig Tiller | b0f3bca | 2016-11-22 14:54:10 -0800 | [diff] [blame] | 1105 | if (dest->count + b->list.count > dest->capacity) { |
| 1106 | dest->capacity = |
| 1107 | GPR_MAX(dest->capacity + b->list.count, dest->capacity * 3 / 2); |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 1108 | dest->metadata = (grpc_metadata *)gpr_realloc( |
| 1109 | dest->metadata, sizeof(grpc_metadata) * dest->capacity); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1110 | } |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1111 | for (grpc_linked_mdelem *l = b->list.head; l != NULL; l = l->next) { |
| 1112 | mdusr = &dest->metadata[dest->count++]; |
Craig Tiller | cf0a202 | 2016-11-23 11:36:21 -0800 | [diff] [blame] | 1113 | /* we pass back borrowed slices that are valid whilst the call is valid */ |
| 1114 | mdusr->key = GRPC_MDKEY(l->md); |
| 1115 | mdusr->value = GRPC_MDVALUE(l->md); |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1116 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1117 | GPR_TIMER_END("publish_app_metadata", 0); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1118 | } |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 1119 | |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1120 | static void recv_initial_filter(grpc_exec_ctx *exec_ctx, grpc_call *call, |
| 1121 | grpc_metadata_batch *b) { |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1122 | if (b->idx.named.content_encoding != NULL) { |
| 1123 | if (b->idx.named.grpc_encoding != NULL) { |
| 1124 | gpr_log(GPR_ERROR, |
| 1125 | "Received both content-encoding and grpc-encoding header. " |
| 1126 | "Ignoring grpc-encoding."); |
| 1127 | grpc_metadata_batch_remove(exec_ctx, b, b->idx.named.grpc_encoding); |
| 1128 | } |
| 1129 | GPR_TIMER_BEGIN("incoming_stream_compression_algorithm", 0); |
| 1130 | set_incoming_stream_compression_algorithm( |
| 1131 | call, decode_stream_compression(b->idx.named.content_encoding->md)); |
| 1132 | GPR_TIMER_END("incoming_stream_compression_algorithm", 0); |
| 1133 | grpc_metadata_batch_remove(exec_ctx, b, b->idx.named.content_encoding); |
| 1134 | } else if (b->idx.named.grpc_encoding != NULL) { |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1135 | GPR_TIMER_BEGIN("incoming_compression_algorithm", 0); |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1136 | set_incoming_compression_algorithm( |
| 1137 | call, decode_compression(b->idx.named.grpc_encoding->md)); |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1138 | GPR_TIMER_END("incoming_compression_algorithm", 0); |
Craig Tiller | de7b467 | 2016-11-23 11:13:46 -0800 | [diff] [blame] | 1139 | grpc_metadata_batch_remove(exec_ctx, b, b->idx.named.grpc_encoding); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1140 | } |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1141 | if (b->idx.named.grpc_accept_encoding != NULL) { |
| 1142 | GPR_TIMER_BEGIN("encodings_accepted_by_peer", 0); |
| 1143 | set_encodings_accepted_by_peer(exec_ctx, call, |
| 1144 | b->idx.named.grpc_accept_encoding->md); |
Craig Tiller | de7b467 | 2016-11-23 11:13:46 -0800 | [diff] [blame] | 1145 | grpc_metadata_batch_remove(exec_ctx, b, b->idx.named.grpc_accept_encoding); |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1146 | GPR_TIMER_END("encodings_accepted_by_peer", 0); |
| 1147 | } |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1148 | if (b->idx.named.accept_encoding != NULL) { |
| 1149 | GPR_TIMER_BEGIN("stream_encodings_accepted_by_peer", 0); |
| 1150 | set_stream_encodings_accepted_by_peer(exec_ctx, call, |
| 1151 | b->idx.named.accept_encoding->md); |
| 1152 | grpc_metadata_batch_remove(exec_ctx, b, b->idx.named.accept_encoding); |
| 1153 | GPR_TIMER_END("stream_encodings_accepted_by_peer", 0); |
| 1154 | } |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1155 | publish_app_metadata(call, b, false); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1156 | } |
Craig Tiller | 6902ad2 | 2015-04-16 08:01:49 -0700 | [diff] [blame] | 1157 | |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1158 | static void recv_trailing_filter(grpc_exec_ctx *exec_ctx, void *args, |
| 1159 | grpc_metadata_batch *b) { |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 1160 | grpc_call *call = (grpc_call *)args; |
Mark D. Roth | bd3b93b | 2017-06-22 10:53:01 -0700 | [diff] [blame] | 1161 | if (b->idx.named.grpc_status != NULL) { |
| 1162 | uint32_t status_code = decode_status(b->idx.named.grpc_status->md); |
| 1163 | grpc_error *error = |
| 1164 | status_code == GRPC_STATUS_OK |
| 1165 | ? GRPC_ERROR_NONE |
| 1166 | : grpc_error_set_int(GRPC_ERROR_CREATE_FROM_STATIC_STRING( |
| 1167 | "Error received from peer"), |
| 1168 | GRPC_ERROR_INT_GRPC_STATUS, |
| 1169 | (intptr_t)status_code); |
| 1170 | if (b->idx.named.grpc_message != NULL) { |
| 1171 | error = grpc_error_set_str( |
| 1172 | error, GRPC_ERROR_STR_GRPC_MESSAGE, |
| 1173 | grpc_slice_ref_internal(GRPC_MDVALUE(b->idx.named.grpc_message->md))); |
| 1174 | grpc_metadata_batch_remove(exec_ctx, b, b->idx.named.grpc_message); |
| 1175 | } else if (error != GRPC_ERROR_NONE) { |
| 1176 | error = grpc_error_set_str(error, GRPC_ERROR_STR_GRPC_MESSAGE, |
| 1177 | grpc_empty_slice()); |
| 1178 | } |
| 1179 | set_status_from_error(exec_ctx, call, STATUS_FROM_WIRE, error); |
| 1180 | grpc_metadata_batch_remove(exec_ctx, b, b->idx.named.grpc_status); |
| 1181 | } |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1182 | publish_app_metadata(call, b, true); |
Craig Tiller | 629b0ed | 2015-04-22 11:14:26 -0700 | [diff] [blame] | 1183 | } |
Craig Tiller | 8b282cb | 2015-04-17 14:57:44 -0700 | [diff] [blame] | 1184 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1185 | grpc_call_stack *grpc_call_get_call_stack(grpc_call *call) { |
| 1186 | return CALL_STACK_FROM_CALL(call); |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 1187 | } |
| 1188 | |
Craig Tiller | 255edaa | 2016-12-13 09:04:55 -0800 | [diff] [blame] | 1189 | /******************************************************************************* |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1190 | * BATCH API IMPLEMENTATION |
| 1191 | */ |
| 1192 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1193 | static void set_status_value_directly(grpc_status_code status, void *dest) { |
| 1194 | *(grpc_status_code *)dest = status; |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1195 | } |
| 1196 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1197 | static void set_cancelled_value(grpc_status_code status, void *dest) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1198 | *(int *)dest = (status != GRPC_STATUS_OK); |
Craig Tiller | 166e250 | 2015-02-03 20:14:41 -0800 | [diff] [blame] | 1199 | } |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1200 | |
Craig Tiller | c654976 | 2016-03-09 17:10:43 -0800 | [diff] [blame] | 1201 | static bool are_write_flags_valid(uint32_t flags) { |
David Garcia Quintas | 1d5aca5 | 2015-06-14 14:42:04 -0700 | [diff] [blame] | 1202 | /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */ |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1203 | const uint32_t allowed_write_positions = |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1204 | (GRPC_WRITE_USED_MASK | GRPC_WRITE_INTERNAL_USED_MASK); |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1205 | const uint32_t invalid_positions = ~allowed_write_positions; |
David Garcia Quintas | 1d5aca5 | 2015-06-14 14:42:04 -0700 | [diff] [blame] | 1206 | return !(flags & invalid_positions); |
| 1207 | } |
| 1208 | |
Craig Tiller | c654976 | 2016-03-09 17:10:43 -0800 | [diff] [blame] | 1209 | static bool are_initial_metadata_flags_valid(uint32_t flags, bool is_client) { |
| 1210 | /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */ |
| 1211 | uint32_t invalid_positions = ~GRPC_INITIAL_METADATA_USED_MASK; |
| 1212 | if (!is_client) { |
| 1213 | invalid_positions |= GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST; |
| 1214 | } |
| 1215 | return !(flags & invalid_positions); |
| 1216 | } |
| 1217 | |
Craig Tiller | 2a11ad1 | 2017-02-08 17:09:02 -0800 | [diff] [blame] | 1218 | static int batch_slot_for_op(grpc_op_type type) { |
| 1219 | switch (type) { |
| 1220 | case GRPC_OP_SEND_INITIAL_METADATA: |
| 1221 | return 0; |
| 1222 | case GRPC_OP_SEND_MESSAGE: |
| 1223 | return 1; |
| 1224 | case GRPC_OP_SEND_CLOSE_FROM_CLIENT: |
| 1225 | case GRPC_OP_SEND_STATUS_FROM_SERVER: |
| 1226 | return 2; |
| 1227 | case GRPC_OP_RECV_INITIAL_METADATA: |
| 1228 | return 3; |
| 1229 | case GRPC_OP_RECV_MESSAGE: |
| 1230 | return 4; |
| 1231 | case GRPC_OP_RECV_CLOSE_ON_SERVER: |
| 1232 | case GRPC_OP_RECV_STATUS_ON_CLIENT: |
| 1233 | return 5; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1234 | } |
Craig Tiller | c869da0 | 2017-02-08 17:11:17 -0800 | [diff] [blame] | 1235 | GPR_UNREACHABLE_CODE(return 123456789); |
Craig Tiller | 2a11ad1 | 2017-02-08 17:09:02 -0800 | [diff] [blame] | 1236 | } |
Craig Tiller | 89d3379 | 2017-02-08 16:39:16 -0800 | [diff] [blame] | 1237 | |
| 1238 | static batch_control *allocate_batch_control(grpc_call *call, |
| 1239 | const grpc_op *ops, |
| 1240 | size_t num_ops) { |
| 1241 | int slot = batch_slot_for_op(ops[0].op); |
Craig Tiller | b58de72 | 2017-03-29 14:15:12 -0700 | [diff] [blame] | 1242 | batch_control **pslot = &call->active_batches[slot]; |
| 1243 | if (*pslot == NULL) { |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 1244 | *pslot = |
| 1245 | (batch_control *)gpr_arena_alloc(call->arena, sizeof(batch_control)); |
Craig Tiller | b58de72 | 2017-03-29 14:15:12 -0700 | [diff] [blame] | 1246 | } |
| 1247 | batch_control *bctl = *pslot; |
Craig Tiller | 5e5ef30 | 2017-02-09 08:46:49 -0800 | [diff] [blame] | 1248 | if (bctl->call != NULL) { |
| 1249 | return NULL; |
| 1250 | } |
| 1251 | memset(bctl, 0, sizeof(*bctl)); |
| 1252 | bctl->call = call; |
Craig Tiller | 3fddcb4 | 2017-03-10 11:01:48 -0800 | [diff] [blame] | 1253 | bctl->op.payload = &call->stream_op_payload; |
Craig Tiller | 5e5ef30 | 2017-02-09 08:46:49 -0800 | [diff] [blame] | 1254 | return bctl; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1255 | } |
| 1256 | |
| 1257 | static void finish_batch_completion(grpc_exec_ctx *exec_ctx, void *user_data, |
| 1258 | grpc_cq_completion *storage) { |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 1259 | batch_control *bctl = (batch_control *)user_data; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1260 | grpc_call *call = bctl->call; |
Craig Tiller | 5e5ef30 | 2017-02-09 08:46:49 -0800 | [diff] [blame] | 1261 | bctl->call = NULL; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1262 | GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "completion"); |
| 1263 | } |
| 1264 | |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1265 | static grpc_error *consolidate_batch_errors(batch_control *bctl) { |
Craig Tiller | b597dcf | 2017-03-09 07:02:11 -0800 | [diff] [blame] | 1266 | size_t n = (size_t)gpr_atm_acq_load(&bctl->num_errors); |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1267 | if (n == 0) { |
| 1268 | return GRPC_ERROR_NONE; |
| 1269 | } else if (n == 1) { |
Craig Tiller | a78da60 | 2017-01-27 08:16:23 -0800 | [diff] [blame] | 1270 | /* Skip creating a composite error in the case that only one error was |
| 1271 | logged */ |
Craig Tiller | ad980e3 | 2017-01-23 07:46:25 -0800 | [diff] [blame] | 1272 | grpc_error *e = bctl->errors[0]; |
| 1273 | bctl->errors[0] = NULL; |
| 1274 | return e; |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1275 | } else { |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 1276 | grpc_error *error = GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING( |
| 1277 | "Call batch failed", bctl->errors, n); |
Craig Tiller | 1c4775c | 2017-01-06 16:07:45 -0800 | [diff] [blame] | 1278 | for (size_t i = 0; i < n; i++) { |
| 1279 | GRPC_ERROR_UNREF(bctl->errors[i]); |
Craig Tiller | ad980e3 | 2017-01-23 07:46:25 -0800 | [diff] [blame] | 1280 | bctl->errors[i] = NULL; |
Craig Tiller | 1c4775c | 2017-01-06 16:07:45 -0800 | [diff] [blame] | 1281 | } |
| 1282 | return error; |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1283 | } |
| 1284 | } |
| 1285 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1286 | static void post_batch_completion(grpc_exec_ctx *exec_ctx, |
| 1287 | batch_control *bctl) { |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1288 | grpc_call *next_child_call; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1289 | grpc_call *call = bctl->call; |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1290 | grpc_error *error = consolidate_batch_errors(bctl); |
| 1291 | |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1292 | if (bctl->op.send_initial_metadata) { |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1293 | grpc_metadata_batch_destroy( |
| 1294 | exec_ctx, |
| 1295 | &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]); |
| 1296 | } |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1297 | if (bctl->op.send_message) { |
Craig Tiller | f927ad1 | 2017-01-06 15:27:31 -0800 | [diff] [blame] | 1298 | call->sending_message = false; |
| 1299 | } |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1300 | if (bctl->op.send_trailing_metadata) { |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1301 | grpc_metadata_batch_destroy( |
| 1302 | exec_ctx, |
| 1303 | &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */]); |
| 1304 | } |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1305 | if (bctl->op.recv_trailing_metadata) { |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1306 | grpc_metadata_batch *md = |
| 1307 | &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */]; |
| 1308 | recv_trailing_filter(exec_ctx, call, md); |
| 1309 | |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1310 | /* propagate cancellation to any interested children */ |
Craig Tiller | b18c8ba | 2017-03-13 15:51:37 -0700 | [diff] [blame] | 1311 | gpr_atm_rel_store(&call->received_final_op_atm, 1); |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 1312 | parent_call *pc = get_parent_call(call); |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 1313 | if (pc != NULL) { |
| 1314 | grpc_call *child; |
| 1315 | gpr_mu_lock(&pc->child_list_mu); |
| 1316 | child = pc->first_child; |
| 1317 | if (child != NULL) { |
| 1318 | do { |
Yash Tibrewal | b2a54ac | 2017-09-13 10:18:07 -0700 | [diff] [blame] | 1319 | next_child_call = child->child->sibling_next; |
Craig Tiller | 1c10a7b | 2017-03-29 14:35:16 -0700 | [diff] [blame] | 1320 | if (child->cancellation_is_inherited) { |
| 1321 | GRPC_CALL_INTERNAL_REF(child, "propagate_cancel"); |
| 1322 | cancel_with_error(exec_ctx, child, STATUS_FROM_API_OVERRIDE, |
| 1323 | GRPC_ERROR_CANCELLED); |
| 1324 | GRPC_CALL_INTERNAL_UNREF(exec_ctx, child, "propagate_cancel"); |
| 1325 | } |
| 1326 | child = next_child_call; |
| 1327 | } while (child != pc->first_child); |
| 1328 | } |
| 1329 | gpr_mu_unlock(&pc->child_list_mu); |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1330 | } |
| 1331 | |
| 1332 | if (call->is_client) { |
| 1333 | get_final_status(call, set_status_value_directly, |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 1334 | call->final_op.client.status, |
| 1335 | call->final_op.client.status_details); |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1336 | } else { |
| 1337 | get_final_status(call, set_cancelled_value, |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 1338 | call->final_op.server.cancelled, NULL); |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1339 | } |
| 1340 | |
Craig Tiller | 02b87cd | 2016-09-02 09:50:08 -0700 | [diff] [blame] | 1341 | GRPC_ERROR_UNREF(error); |
| 1342 | error = GRPC_ERROR_NONE; |
| 1343 | } |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1344 | |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1345 | if (bctl->completion_data.notify_tag.is_closure) { |
Craig Tiller | b08fa49 | 2016-05-10 14:56:05 -0700 | [diff] [blame] | 1346 | /* unrefs bctl->error */ |
Craig Tiller | 2db5bda | 2017-02-09 10:30:55 -0800 | [diff] [blame] | 1347 | bctl->call = NULL; |
Yash Tibrewal | 52778c4 | 2017-09-11 15:00:11 -0700 | [diff] [blame] | 1348 | GRPC_CLOSURE_RUN( |
| 1349 | exec_ctx, (grpc_closure *)bctl->completion_data.notify_tag.tag, error); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1350 | GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "completion"); |
| 1351 | } else { |
Craig Tiller | b08fa49 | 2016-05-10 14:56:05 -0700 | [diff] [blame] | 1352 | /* unrefs bctl->error */ |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1353 | grpc_cq_end_op( |
| 1354 | exec_ctx, bctl->call->cq, bctl->completion_data.notify_tag.tag, error, |
| 1355 | finish_batch_completion, bctl, &bctl->completion_data.cq_completion); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1356 | } |
| 1357 | } |
| 1358 | |
Craig Tiller | d04dc4d | 2017-01-09 14:40:28 -0800 | [diff] [blame] | 1359 | static void finish_batch_step(grpc_exec_ctx *exec_ctx, batch_control *bctl) { |
Craig Tiller | 065b139 | 2017-01-09 14:05:07 -0800 | [diff] [blame] | 1360 | if (gpr_unref(&bctl->steps_to_complete)) { |
| 1361 | post_batch_completion(exec_ctx, bctl); |
| 1362 | } |
| 1363 | } |
| 1364 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1365 | static void continue_receiving_slices(grpc_exec_ctx *exec_ctx, |
| 1366 | batch_control *bctl) { |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1367 | grpc_error *error; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1368 | grpc_call *call = bctl->call; |
| 1369 | for (;;) { |
| 1370 | size_t remaining = call->receiving_stream->length - |
| 1371 | (*call->receiving_buffer)->data.raw.slice_buffer.length; |
| 1372 | if (remaining == 0) { |
| 1373 | call->receiving_message = 0; |
Craig Tiller | 3b66ab9 | 2015-12-09 19:42:22 -0800 | [diff] [blame] | 1374 | grpc_byte_stream_destroy(exec_ctx, call->receiving_stream); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1375 | call->receiving_stream = NULL; |
Craig Tiller | d04dc4d | 2017-01-09 14:40:28 -0800 | [diff] [blame] | 1376 | finish_batch_step(exec_ctx, bctl); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1377 | return; |
| 1378 | } |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1379 | if (grpc_byte_stream_next(exec_ctx, call->receiving_stream, remaining, |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1380 | &call->receiving_slice_ready)) { |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1381 | error = grpc_byte_stream_pull(exec_ctx, call->receiving_stream, |
| 1382 | &call->receiving_slice); |
| 1383 | if (error == GRPC_ERROR_NONE) { |
| 1384 | grpc_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer, |
| 1385 | call->receiving_slice); |
| 1386 | } else { |
| 1387 | grpc_byte_stream_destroy(exec_ctx, call->receiving_stream); |
| 1388 | call->receiving_stream = NULL; |
| 1389 | grpc_byte_buffer_destroy(*call->receiving_buffer); |
| 1390 | *call->receiving_buffer = NULL; |
| 1391 | call->receiving_message = 0; |
| 1392 | finish_batch_step(exec_ctx, bctl); |
| 1393 | return; |
| 1394 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1395 | } else { |
| 1396 | return; |
| 1397 | } |
| 1398 | } |
| 1399 | } |
| 1400 | |
| 1401 | static void receiving_slice_ready(grpc_exec_ctx *exec_ctx, void *bctlp, |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1402 | grpc_error *error) { |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 1403 | batch_control *bctl = (batch_control *)bctlp; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1404 | grpc_call *call = bctl->call; |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1405 | grpc_byte_stream *bs = call->receiving_stream; |
| 1406 | bool release_error = false; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1407 | |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1408 | if (error == GRPC_ERROR_NONE) { |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1409 | grpc_slice slice; |
| 1410 | error = grpc_byte_stream_pull(exec_ctx, bs, &slice); |
| 1411 | if (error == GRPC_ERROR_NONE) { |
| 1412 | grpc_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer, |
| 1413 | slice); |
| 1414 | continue_receiving_slices(exec_ctx, bctl); |
| 1415 | } else { |
| 1416 | /* Error returned by grpc_byte_stream_pull needs to be released manually |
| 1417 | */ |
| 1418 | release_error = true; |
| 1419 | } |
| 1420 | } |
| 1421 | |
| 1422 | if (error != GRPC_ERROR_NONE) { |
Craig Tiller | 84f75d4 | 2017-05-03 13:06:35 -0700 | [diff] [blame] | 1423 | if (GRPC_TRACER_ON(grpc_trace_operation_failures)) { |
Craig Tiller | a286b04 | 2016-06-13 15:20:39 +0000 | [diff] [blame] | 1424 | GRPC_LOG_IF_ERROR("receiving_slice_ready", GRPC_ERROR_REF(error)); |
| 1425 | } |
Craig Tiller | e1b8c2b | 2015-12-16 19:27:52 -0800 | [diff] [blame] | 1426 | grpc_byte_stream_destroy(exec_ctx, call->receiving_stream); |
Craig Tiller | 38edec6 | 2015-12-14 15:01:29 -0800 | [diff] [blame] | 1427 | call->receiving_stream = NULL; |
| 1428 | grpc_byte_buffer_destroy(*call->receiving_buffer); |
| 1429 | *call->receiving_buffer = NULL; |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1430 | call->receiving_message = 0; |
Craig Tiller | d04dc4d | 2017-01-09 14:40:28 -0800 | [diff] [blame] | 1431 | finish_batch_step(exec_ctx, bctl); |
Muxi Yan | 29723ee | 2017-04-12 20:24:42 -0700 | [diff] [blame] | 1432 | if (release_error) { |
| 1433 | GRPC_ERROR_UNREF(error); |
| 1434 | } |
Craig Tiller | 38edec6 | 2015-12-14 15:01:29 -0800 | [diff] [blame] | 1435 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1436 | } |
| 1437 | |
Mark D. Roth | 274c8ed | 2016-10-04 09:21:42 -0700 | [diff] [blame] | 1438 | static void process_data_after_md(grpc_exec_ctx *exec_ctx, |
| 1439 | batch_control *bctl) { |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1440 | grpc_call *call = bctl->call; |
| 1441 | if (call->receiving_stream == NULL) { |
| 1442 | *call->receiving_buffer = NULL; |
| 1443 | call->receiving_message = 0; |
Craig Tiller | d04dc4d | 2017-01-09 14:40:28 -0800 | [diff] [blame] | 1444 | finish_batch_step(exec_ctx, bctl); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1445 | } else { |
| 1446 | call->test_only_last_message_flags = call->receiving_stream->flags; |
| 1447 | if ((call->receiving_stream->flags & GRPC_WRITE_INTERNAL_COMPRESS) && |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1448 | (call->incoming_compression_algorithm > GRPC_COMPRESS_NONE)) { |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1449 | *call->receiving_buffer = grpc_raw_compressed_byte_buffer_create( |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1450 | NULL, 0, call->incoming_compression_algorithm); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1451 | } else { |
| 1452 | *call->receiving_buffer = grpc_raw_byte_buffer_create(NULL, 0); |
| 1453 | } |
ncteisen | 969b46e | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 1454 | GRPC_CLOSURE_INIT(&call->receiving_slice_ready, receiving_slice_ready, bctl, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 1455 | grpc_schedule_on_exec_ctx); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1456 | continue_receiving_slices(exec_ctx, bctl); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1457 | } |
| 1458 | } |
| 1459 | |
| 1460 | static void receiving_stream_ready(grpc_exec_ctx *exec_ctx, void *bctlp, |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1461 | grpc_error *error) { |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 1462 | batch_control *bctl = (batch_control *)bctlp; |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1463 | grpc_call *call = bctl->call; |
Mark D. Roth | 274c8ed | 2016-10-04 09:21:42 -0700 | [diff] [blame] | 1464 | if (error != GRPC_ERROR_NONE) { |
yang-g | 23f777d | 2017-02-22 23:32:26 -0800 | [diff] [blame] | 1465 | if (call->receiving_stream != NULL) { |
| 1466 | grpc_byte_stream_destroy(exec_ctx, call->receiving_stream); |
| 1467 | call->receiving_stream = NULL; |
| 1468 | } |
| 1469 | add_batch_error(exec_ctx, bctl, GRPC_ERROR_REF(error), true); |
Craig Tiller | 58b30cd | 2017-01-31 17:07:36 -0800 | [diff] [blame] | 1470 | cancel_with_error(exec_ctx, call, STATUS_FROM_SURFACE, |
| 1471 | GRPC_ERROR_REF(error)); |
Mark D. Roth | 274c8ed | 2016-10-04 09:21:42 -0700 | [diff] [blame] | 1472 | } |
Yuchen Zeng | 6eb505b | 2017-08-25 16:05:29 -0700 | [diff] [blame] | 1473 | /* If recv_state is RECV_NONE, we will save the batch_control |
Yuchen Zeng | e40e259 | 2017-08-15 15:50:49 -0700 | [diff] [blame] | 1474 | * object with rel_cas, and will not use it after the cas. Its corresponding |
| 1475 | * acq_load is in receiving_initial_metadata_ready() */ |
Yuchen Zeng | 873bb70 | 2017-08-09 19:42:18 -0700 | [diff] [blame] | 1476 | if (error != GRPC_ERROR_NONE || call->receiving_stream == NULL || |
Yuchen Zeng | 6eb505b | 2017-08-25 16:05:29 -0700 | [diff] [blame] | 1477 | !gpr_atm_rel_cas(&call->recv_state, RECV_NONE, (gpr_atm)bctlp)) { |
Yash Tibrewal | 090aca5 | 2017-09-12 12:14:13 -0700 | [diff] [blame] | 1478 | process_data_after_md(exec_ctx, bctl); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1479 | } |
| 1480 | } |
| 1481 | |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1482 | // The recv_message_ready callback used when sending a batch containing |
| 1483 | // a recv_message op down the filter stack. Yields the call combiner |
| 1484 | // before processing the received message. |
| 1485 | static void receiving_stream_ready_in_call_combiner(grpc_exec_ctx *exec_ctx, |
| 1486 | void *bctlp, |
| 1487 | grpc_error *error) { |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 1488 | batch_control *bctl = (batch_control *)bctlp; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1489 | grpc_call *call = bctl->call; |
| 1490 | GRPC_CALL_COMBINER_STOP(exec_ctx, &call->call_combiner, "recv_message_ready"); |
| 1491 | receiving_stream_ready(exec_ctx, bctlp, error); |
| 1492 | } |
| 1493 | |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1494 | static void validate_filtered_metadata(grpc_exec_ctx *exec_ctx, |
| 1495 | batch_control *bctl) { |
| 1496 | grpc_call *call = bctl->call; |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1497 | /* validate compression algorithms */ |
| 1498 | if (call->incoming_stream_compression_algorithm != |
| 1499 | GRPC_STREAM_COMPRESS_NONE) { |
| 1500 | const grpc_stream_compression_algorithm algo = |
| 1501 | call->incoming_stream_compression_algorithm; |
| 1502 | char *error_msg = NULL; |
| 1503 | const grpc_compression_options compression_options = |
| 1504 | grpc_channel_compression_options(call->channel); |
| 1505 | if (algo >= GRPC_STREAM_COMPRESS_ALGORITHMS_COUNT) { |
| 1506 | gpr_asprintf(&error_msg, |
| 1507 | "Invalid stream compression algorithm value '%d'.", algo); |
| 1508 | gpr_log(GPR_ERROR, "%s", error_msg); |
| 1509 | cancel_with_status(exec_ctx, call, STATUS_FROM_SURFACE, |
| 1510 | GRPC_STATUS_UNIMPLEMENTED, error_msg); |
| 1511 | } else if (grpc_compression_options_is_stream_compression_algorithm_enabled( |
| 1512 | &compression_options, algo) == 0) { |
| 1513 | /* check if algorithm is supported by current channel config */ |
Yash Tibrewal | 9eb8672 | 2017-09-17 23:43:30 -0700 | [diff] [blame] | 1514 | const char *algo_name = NULL; |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1515 | grpc_stream_compression_algorithm_name(algo, &algo_name); |
| 1516 | gpr_asprintf(&error_msg, "Stream compression algorithm '%s' is disabled.", |
| 1517 | algo_name); |
| 1518 | gpr_log(GPR_ERROR, "%s", error_msg); |
| 1519 | cancel_with_status(exec_ctx, call, STATUS_FROM_SURFACE, |
| 1520 | GRPC_STATUS_UNIMPLEMENTED, error_msg); |
| 1521 | } |
| 1522 | gpr_free(error_msg); |
| 1523 | |
| 1524 | GPR_ASSERT(call->stream_encodings_accepted_by_peer != 0); |
| 1525 | if (!GPR_BITGET(call->stream_encodings_accepted_by_peer, |
| 1526 | call->incoming_stream_compression_algorithm)) { |
| 1527 | if (GRPC_TRACER_ON(grpc_compression_trace)) { |
Yash Tibrewal | 9eb8672 | 2017-09-17 23:43:30 -0700 | [diff] [blame] | 1528 | const char *algo_name = NULL; |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1529 | grpc_stream_compression_algorithm_name( |
| 1530 | call->incoming_stream_compression_algorithm, &algo_name); |
| 1531 | gpr_log( |
| 1532 | GPR_ERROR, |
| 1533 | "Stream compression algorithm (content-encoding = '%s') not " |
| 1534 | "present in the bitset of accepted encodings (accept-encodings: " |
| 1535 | "'0x%x')", |
| 1536 | algo_name, call->stream_encodings_accepted_by_peer); |
| 1537 | } |
| 1538 | } |
| 1539 | } else if (call->incoming_compression_algorithm != GRPC_COMPRESS_NONE) { |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 1540 | const grpc_compression_algorithm algo = |
| 1541 | call->incoming_compression_algorithm; |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1542 | char *error_msg = NULL; |
| 1543 | const grpc_compression_options compression_options = |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 1544 | grpc_channel_compression_options(call->channel); |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1545 | /* check if algorithm is known */ |
| 1546 | if (algo >= GRPC_COMPRESS_ALGORITHMS_COUNT) { |
| 1547 | gpr_asprintf(&error_msg, "Invalid compression algorithm value '%d'.", |
| 1548 | algo); |
Yuchen Zeng | 64c0e8d | 2016-06-10 11:19:51 -0700 | [diff] [blame] | 1549 | gpr_log(GPR_ERROR, "%s", error_msg); |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 1550 | cancel_with_status(exec_ctx, call, STATUS_FROM_SURFACE, |
| 1551 | GRPC_STATUS_UNIMPLEMENTED, error_msg); |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1552 | } else if (grpc_compression_options_is_algorithm_enabled( |
| 1553 | &compression_options, algo) == 0) { |
| 1554 | /* check if algorithm is supported by current channel config */ |
Yash Tibrewal | 9eb8672 | 2017-09-17 23:43:30 -0700 | [diff] [blame] | 1555 | const char *algo_name = NULL; |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1556 | grpc_compression_algorithm_name(algo, &algo_name); |
| 1557 | gpr_asprintf(&error_msg, "Compression algorithm '%s' is disabled.", |
| 1558 | algo_name); |
Yuchen Zeng | 64c0e8d | 2016-06-10 11:19:51 -0700 | [diff] [blame] | 1559 | gpr_log(GPR_ERROR, "%s", error_msg); |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 1560 | cancel_with_status(exec_ctx, call, STATUS_FROM_SURFACE, |
| 1561 | GRPC_STATUS_UNIMPLEMENTED, error_msg); |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1562 | } else { |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 1563 | call->incoming_compression_algorithm = algo; |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1564 | } |
| 1565 | gpr_free(error_msg); |
David Garcia Quintas | f1945f2 | 2016-05-18 10:53:14 -0700 | [diff] [blame] | 1566 | |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1567 | GPR_ASSERT(call->encodings_accepted_by_peer != 0); |
| 1568 | if (!GPR_BITGET(call->encodings_accepted_by_peer, |
| 1569 | call->incoming_compression_algorithm)) { |
| 1570 | if (GRPC_TRACER_ON(grpc_compression_trace)) { |
Yash Tibrewal | 9eb8672 | 2017-09-17 23:43:30 -0700 | [diff] [blame] | 1571 | const char *algo_name = NULL; |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1572 | grpc_compression_algorithm_name(call->incoming_compression_algorithm, |
| 1573 | &algo_name); |
| 1574 | gpr_log(GPR_ERROR, |
| 1575 | "Compression algorithm (grpc-encoding = '%s') not present in " |
| 1576 | "the bitset of accepted encodings (grpc-accept-encodings: " |
| 1577 | "'0x%x')", |
| 1578 | algo_name, call->encodings_accepted_by_peer); |
| 1579 | } |
David Garcia Quintas | f1945f2 | 2016-05-18 10:53:14 -0700 | [diff] [blame] | 1580 | } |
| 1581 | } |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1582 | } |
| 1583 | |
Craig Tiller | 3ba16e4 | 2016-12-08 16:46:18 -0800 | [diff] [blame] | 1584 | static void add_batch_error(grpc_exec_ctx *exec_ctx, batch_control *bctl, |
yang-g | 23f777d | 2017-02-22 23:32:26 -0800 | [diff] [blame] | 1585 | grpc_error *error, bool has_cancelled) { |
Craig Tiller | 452422e | 2016-09-01 15:54:56 -0700 | [diff] [blame] | 1586 | if (error == GRPC_ERROR_NONE) return; |
Craig Tiller | b597dcf | 2017-03-09 07:02:11 -0800 | [diff] [blame] | 1587 | int idx = (int)gpr_atm_full_fetch_add(&bctl->num_errors, 1); |
yang-g | 23f777d | 2017-02-22 23:32:26 -0800 | [diff] [blame] | 1588 | if (idx == 0 && !has_cancelled) { |
Craig Tiller | 2dc32ea | 2017-01-31 15:32:34 -0800 | [diff] [blame] | 1589 | cancel_with_error(exec_ctx, bctl->call, STATUS_FROM_CORE, |
| 1590 | GRPC_ERROR_REF(error)); |
| 1591 | } |
Craig Tiller | 9490389 | 2016-10-11 15:43:35 -0700 | [diff] [blame] | 1592 | bctl->errors[idx] = error; |
Craig Tiller | 452422e | 2016-09-01 15:54:56 -0700 | [diff] [blame] | 1593 | } |
| 1594 | |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1595 | static void receiving_initial_metadata_ready(grpc_exec_ctx *exec_ctx, |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1596 | void *bctlp, grpc_error *error) { |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 1597 | batch_control *bctl = (batch_control *)bctlp; |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1598 | grpc_call *call = bctl->call; |
| 1599 | |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1600 | GRPC_CALL_COMBINER_STOP(exec_ctx, &call->call_combiner, |
| 1601 | "recv_initial_metadata_ready"); |
| 1602 | |
yang-g | 23f777d | 2017-02-22 23:32:26 -0800 | [diff] [blame] | 1603 | add_batch_error(exec_ctx, bctl, GRPC_ERROR_REF(error), false); |
Craig Tiller | 452422e | 2016-09-01 15:54:56 -0700 | [diff] [blame] | 1604 | if (error == GRPC_ERROR_NONE) { |
Craig Tiller | c48ca71 | 2016-04-04 13:42:04 -0700 | [diff] [blame] | 1605 | grpc_metadata_batch *md = |
| 1606 | &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */]; |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1607 | recv_initial_filter(exec_ctx, call, md); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1608 | |
Craig Tiller | a7d37a3 | 2016-11-22 14:37:16 -0800 | [diff] [blame] | 1609 | /* TODO(ctiller): this could be moved into recv_initial_filter now */ |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1610 | GPR_TIMER_BEGIN("validate_filtered_metadata", 0); |
| 1611 | validate_filtered_metadata(exec_ctx, bctl); |
| 1612 | GPR_TIMER_END("validate_filtered_metadata", 0); |
David Garcia Quintas | 4612337 | 2016-05-09 15:28:42 -0700 | [diff] [blame] | 1613 | |
Craig Tiller | c48ca71 | 2016-04-04 13:42:04 -0700 | [diff] [blame] | 1614 | if (gpr_time_cmp(md->deadline, gpr_inf_future(md->deadline.clock_type)) != |
| 1615 | 0 && |
| 1616 | !call->is_client) { |
Mark D. Roth | f28763c | 2016-09-14 15:18:40 -0700 | [diff] [blame] | 1617 | call->send_deadline = |
| 1618 | gpr_convert_clock_type(md->deadline, GPR_CLOCK_MONOTONIC); |
Craig Tiller | c48ca71 | 2016-04-04 13:42:04 -0700 | [diff] [blame] | 1619 | } |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1620 | } |
| 1621 | |
Yuchen Zeng | 0ce19a2 | 2017-08-15 14:24:00 -0700 | [diff] [blame] | 1622 | grpc_closure *saved_rsr_closure = NULL; |
| 1623 | while (true) { |
Yuchen Zeng | 6eb505b | 2017-08-25 16:05:29 -0700 | [diff] [blame] | 1624 | gpr_atm rsr_bctlp = gpr_atm_acq_load(&call->recv_state); |
Yuchen Zeng | 0ce19a2 | 2017-08-15 14:24:00 -0700 | [diff] [blame] | 1625 | /* Should only receive initial metadata once */ |
| 1626 | GPR_ASSERT(rsr_bctlp != 1); |
| 1627 | if (rsr_bctlp == 0) { |
Yuchen Zeng | e40e259 | 2017-08-15 15:50:49 -0700 | [diff] [blame] | 1628 | /* We haven't seen initial metadata and messages before, thus initial |
| 1629 | * metadata is received first. |
| 1630 | * no_barrier_cas is used, as this function won't access the batch_control |
| 1631 | * object saved by receiving_stream_ready() if the initial metadata is |
| 1632 | * received first. */ |
Yuchen Zeng | 6eb505b | 2017-08-25 16:05:29 -0700 | [diff] [blame] | 1633 | if (gpr_atm_no_barrier_cas(&call->recv_state, RECV_NONE, |
| 1634 | RECV_INITIAL_METADATA_FIRST)) { |
Yuchen Zeng | 0ce19a2 | 2017-08-15 14:24:00 -0700 | [diff] [blame] | 1635 | break; |
| 1636 | } |
| 1637 | } else { |
| 1638 | /* Already received messages */ |
| 1639 | saved_rsr_closure = GRPC_CLOSURE_CREATE(receiving_stream_ready, |
| 1640 | (batch_control *)rsr_bctlp, |
| 1641 | grpc_schedule_on_exec_ctx); |
Yuchen Zeng | 6eb505b | 2017-08-25 16:05:29 -0700 | [diff] [blame] | 1642 | /* No need to modify recv_state */ |
Yuchen Zeng | 0ce19a2 | 2017-08-15 14:24:00 -0700 | [diff] [blame] | 1643 | break; |
| 1644 | } |
| 1645 | } |
| 1646 | if (saved_rsr_closure != NULL) { |
ncteisen | 969b46e | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 1647 | GRPC_CLOSURE_RUN(exec_ctx, saved_rsr_closure, GRPC_ERROR_REF(error)); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1648 | } |
| 1649 | |
Craig Tiller | d04dc4d | 2017-01-09 14:40:28 -0800 | [diff] [blame] | 1650 | finish_batch_step(exec_ctx, bctl); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1651 | } |
| 1652 | |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1653 | static void finish_batch(grpc_exec_ctx *exec_ctx, void *bctlp, |
| 1654 | grpc_error *error) { |
Yash Tibrewal | ca3c1c0 | 2017-09-07 22:47:16 -0700 | [diff] [blame] | 1655 | batch_control *bctl = (batch_control *)bctlp; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1656 | grpc_call *call = bctl->call; |
| 1657 | GRPC_CALL_COMBINER_STOP(exec_ctx, &call->call_combiner, "on_complete"); |
yang-g | 23f777d | 2017-02-22 23:32:26 -0800 | [diff] [blame] | 1658 | add_batch_error(exec_ctx, bctl, GRPC_ERROR_REF(error), false); |
Craig Tiller | d04dc4d | 2017-01-09 14:40:28 -0800 | [diff] [blame] | 1659 | finish_batch_step(exec_ctx, bctl); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1660 | } |
| 1661 | |
Craig Tiller | 89d3379 | 2017-02-08 16:39:16 -0800 | [diff] [blame] | 1662 | static void free_no_op_completion(grpc_exec_ctx *exec_ctx, void *p, |
| 1663 | grpc_cq_completion *completion) { |
| 1664 | gpr_free(completion); |
| 1665 | } |
| 1666 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1667 | static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, |
| 1668 | grpc_call *call, const grpc_op *ops, |
| 1669 | size_t nops, void *notify_tag, |
| 1670 | int is_notify_tag_closure) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1671 | size_t i; |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1672 | const grpc_op *op; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1673 | batch_control *bctl; |
| 1674 | int num_completion_callbacks_needed = 1; |
| 1675 | grpc_call_error error = GRPC_CALL_OK; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame^] | 1676 | grpc_transport_stream_op_batch *stream_op; |
| 1677 | grpc_transport_stream_op_batch_payload *stream_op_payload; |
Craig Tiller | 9928d39 | 2015-08-18 09:40:24 -0700 | [diff] [blame] | 1678 | |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 1679 | GPR_TIMER_BEGIN("grpc_call_start_batch", 0); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1680 | GRPC_CALL_LOG_BATCH(GPR_INFO, call, ops, nops, notify_tag); |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 1681 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1682 | if (nops == 0) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1683 | if (!is_notify_tag_closure) { |
yang-g | 7d6b914 | 2017-07-13 11:48:56 -0700 | [diff] [blame] | 1684 | GPR_ASSERT(grpc_cq_begin_op(call->cq, notify_tag)); |
Yash Tibrewal | 52778c4 | 2017-09-11 15:00:11 -0700 | [diff] [blame] | 1685 | grpc_cq_end_op( |
| 1686 | exec_ctx, call->cq, notify_tag, GRPC_ERROR_NONE, |
| 1687 | free_no_op_completion, NULL, |
| 1688 | (grpc_cq_completion *)gpr_malloc(sizeof(grpc_cq_completion))); |
Craig Tiller | 2db5bda | 2017-02-09 10:30:55 -0800 | [diff] [blame] | 1689 | } else { |
Yash Tibrewal | 52778c4 | 2017-09-11 15:00:11 -0700 | [diff] [blame] | 1690 | GRPC_CLOSURE_SCHED(exec_ctx, (grpc_closure *)notify_tag, GRPC_ERROR_NONE); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1691 | } |
Craig Tiller | ea50b90 | 2015-12-15 07:05:25 -0800 | [diff] [blame] | 1692 | error = GRPC_CALL_OK; |
| 1693 | goto done; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1694 | } |
| 1695 | |
Craig Tiller | 89d3379 | 2017-02-08 16:39:16 -0800 | [diff] [blame] | 1696 | bctl = allocate_batch_control(call, ops, nops); |
Craig Tiller | 5e5ef30 | 2017-02-09 08:46:49 -0800 | [diff] [blame] | 1697 | if (bctl == NULL) { |
| 1698 | return GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1699 | } |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1700 | bctl->completion_data.notify_tag.tag = notify_tag; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1701 | bctl->completion_data.notify_tag.is_closure = |
| 1702 | (uint8_t)(is_notify_tag_closure != 0); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1703 | |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame^] | 1704 | stream_op = &bctl->op; |
| 1705 | stream_op_payload = &call->stream_op_payload; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1706 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1707 | /* rewrite batch ops into a transport op */ |
| 1708 | for (i = 0; i < nops; i++) { |
| 1709 | op = &ops[i]; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1710 | if (op->reserved != NULL) { |
Craig Tiller | 3ffd822 | 2015-09-21 08:21:57 -0700 | [diff] [blame] | 1711 | error = GRPC_CALL_ERROR; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1712 | goto done_with_error; |
Craig Tiller | 3ffd822 | 2015-09-21 08:21:57 -0700 | [diff] [blame] | 1713 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1714 | switch (op->op) { |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame^] | 1715 | case GRPC_OP_SEND_INITIAL_METADATA: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1716 | /* Flag validation: currently allow no flags */ |
Craig Tiller | c654976 | 2016-03-09 17:10:43 -0800 | [diff] [blame] | 1717 | if (!are_initial_metadata_flags_valid(op->flags, call->is_client)) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1718 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1719 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1720 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1721 | if (call->sent_initial_metadata) { |
| 1722 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1723 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1724 | } |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1725 | /* process compression level */ |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1726 | memset(&call->compression_md, 0, sizeof(call->compression_md)); |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1727 | size_t additional_metadata_count = 0; |
Muxi Yan | df174cc | 2017-07-26 16:01:48 -0700 | [diff] [blame] | 1728 | grpc_compression_level effective_compression_level = |
| 1729 | GRPC_COMPRESS_LEVEL_NONE; |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1730 | grpc_stream_compression_level effective_stream_compression_level = |
Muxi Yan | df174cc | 2017-07-26 16:01:48 -0700 | [diff] [blame] | 1731 | GRPC_STREAM_COMPRESS_LEVEL_NONE; |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1732 | bool level_set = false; |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1733 | bool stream_compression = false; |
| 1734 | if (op->data.send_initial_metadata.maybe_stream_compression_level |
| 1735 | .is_set) { |
Muxi Yan | df174cc | 2017-07-26 16:01:48 -0700 | [diff] [blame] | 1736 | effective_stream_compression_level = |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1737 | op->data.send_initial_metadata.maybe_stream_compression_level |
| 1738 | .level; |
| 1739 | level_set = true; |
| 1740 | stream_compression = true; |
| 1741 | } else if (op->data.send_initial_metadata.maybe_compression_level |
| 1742 | .is_set) { |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1743 | effective_compression_level = |
David Garcia Quintas | 8ba42be | 2016-06-07 17:30:20 -0700 | [diff] [blame] | 1744 | op->data.send_initial_metadata.maybe_compression_level.level; |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1745 | level_set = true; |
| 1746 | } else { |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 1747 | const grpc_compression_options copts = |
| 1748 | grpc_channel_compression_options(call->channel); |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1749 | if (copts.default_stream_compression_level.is_set) { |
| 1750 | level_set = true; |
| 1751 | effective_stream_compression_level = |
| 1752 | copts.default_stream_compression_level.level; |
| 1753 | stream_compression = true; |
| 1754 | } else if (copts.default_level.is_set) { |
| 1755 | level_set = true; |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 1756 | effective_compression_level = copts.default_level.level; |
| 1757 | } |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1758 | } |
David Garcia Quintas | 3e4f49f | 2016-05-18 23:59:02 -0700 | [diff] [blame] | 1759 | if (level_set && !call->is_client) { |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1760 | if (stream_compression) { |
| 1761 | const grpc_stream_compression_algorithm calgo = |
| 1762 | stream_compression_algorithm_for_level_locked( |
| 1763 | call, effective_stream_compression_level); |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1764 | call->compression_md.key = |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1765 | GRPC_MDSTR_GRPC_INTERNAL_STREAM_ENCODING_REQUEST; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1766 | call->compression_md.value = |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1767 | grpc_stream_compression_algorithm_slice(calgo); |
| 1768 | } else { |
| 1769 | const grpc_compression_algorithm calgo = |
| 1770 | compression_algorithm_for_level_locked( |
| 1771 | call, effective_compression_level); |
Muxi Yan | 04b5803 | 2017-08-14 11:17:56 -0700 | [diff] [blame] | 1772 | /* the following will be picked up by the compress filter and used |
| 1773 | * as the call's compression algorithm. */ |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1774 | call->compression_md.key = |
| 1775 | GRPC_MDSTR_GRPC_INTERNAL_ENCODING_REQUEST; |
| 1776 | call->compression_md.value = |
| 1777 | grpc_compression_algorithm_slice(calgo); |
Muxi Yan | 68a0fd5 | 2017-07-21 09:26:04 -0700 | [diff] [blame] | 1778 | additional_metadata_count++; |
| 1779 | } |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1780 | } |
| 1781 | |
| 1782 | if (op->data.send_initial_metadata.count + additional_metadata_count > |
| 1783 | INT_MAX) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1784 | error = GRPC_CALL_ERROR_INVALID_METADATA; |
| 1785 | goto done_with_error; |
| 1786 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1787 | stream_op->send_initial_metadata = true; |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1788 | call->sent_initial_metadata = true; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1789 | if (!prepare_application_metadata( |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 1790 | exec_ctx, call, (int)op->data.send_initial_metadata.count, |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1791 | op->data.send_initial_metadata.metadata, 0, call->is_client, |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1792 | &call->compression_md, (int)additional_metadata_count)) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1793 | error = GRPC_CALL_ERROR_INVALID_METADATA; |
| 1794 | goto done_with_error; |
| 1795 | } |
| 1796 | /* TODO(ctiller): just make these the same variable? */ |
Craig Tiller | 095a220 | 2017-05-17 09:02:44 -0700 | [diff] [blame] | 1797 | if (call->is_client) { |
| 1798 | call->metadata_batch[0][0].deadline = call->send_deadline; |
| 1799 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1800 | stream_op_payload->send_initial_metadata.send_initial_metadata = |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1801 | &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1802 | stream_op_payload->send_initial_metadata.send_initial_metadata_flags = |
| 1803 | op->flags; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1804 | if (call->is_client) { |
| 1805 | stream_op_payload->send_initial_metadata.peer_string = |
| 1806 | &call->peer_string; |
| 1807 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1808 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame^] | 1809 | } |
| 1810 | case GRPC_OP_SEND_MESSAGE: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1811 | if (!are_write_flags_valid(op->flags)) { |
| 1812 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1813 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1814 | } |
Mark D. Roth | 448c1f0 | 2017-01-25 10:44:30 -0800 | [diff] [blame] | 1815 | if (op->data.send_message.send_message == NULL) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1816 | error = GRPC_CALL_ERROR_INVALID_MESSAGE; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1817 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1818 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1819 | if (call->sending_message) { |
| 1820 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1821 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1822 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1823 | stream_op->send_message = true; |
Craig Tiller | ea54b8c | 2017-03-01 16:58:28 -0800 | [diff] [blame] | 1824 | call->sending_message = true; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1825 | grpc_slice_buffer_stream_init( |
| 1826 | &call->sending_stream, |
Mark D. Roth | 448c1f0 | 2017-01-25 10:44:30 -0800 | [diff] [blame] | 1827 | &op->data.send_message.send_message->data.raw.slice_buffer, |
| 1828 | op->flags); |
Lizan Zhou | 61f0973 | 2016-10-26 14:09:52 -0700 | [diff] [blame] | 1829 | /* If the outgoing buffer is already compressed, mark it as so in the |
| 1830 | flags. These will be picked up by the compression filter and further |
| 1831 | (wasteful) attempts at compression skipped. */ |
Mark D. Roth | 9d76dbe | 2017-01-25 15:02:56 -0800 | [diff] [blame] | 1832 | if (op->data.send_message.send_message->data.raw.compression > |
| 1833 | GRPC_COMPRESS_NONE) { |
Lizan Zhou | 61f0973 | 2016-10-26 14:09:52 -0700 | [diff] [blame] | 1834 | call->sending_stream.base.flags |= GRPC_WRITE_INTERNAL_COMPRESS; |
| 1835 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1836 | stream_op_payload->send_message.send_message = |
| 1837 | &call->sending_stream.base; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1838 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame^] | 1839 | } |
| 1840 | case GRPC_OP_SEND_CLOSE_FROM_CLIENT: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1841 | /* Flag validation: currently allow no flags */ |
| 1842 | if (op->flags != 0) { |
| 1843 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1844 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1845 | } |
| 1846 | if (!call->is_client) { |
| 1847 | error = GRPC_CALL_ERROR_NOT_ON_SERVER; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1848 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1849 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1850 | if (call->sent_final_op) { |
| 1851 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1852 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1853 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1854 | stream_op->send_trailing_metadata = true; |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 1855 | call->sent_final_op = true; |
Craig Tiller | 2d43fbf | 2017-03-13 16:10:05 -0700 | [diff] [blame] | 1856 | stream_op_payload->send_trailing_metadata.send_trailing_metadata = |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1857 | &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */]; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1858 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame^] | 1859 | } |
| 1860 | case GRPC_OP_SEND_STATUS_FROM_SERVER: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1861 | /* Flag validation: currently allow no flags */ |
| 1862 | if (op->flags != 0) { |
| 1863 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1864 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1865 | } |
| 1866 | if (call->is_client) { |
| 1867 | error = GRPC_CALL_ERROR_NOT_ON_CLIENT; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1868 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1869 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1870 | if (call->sent_final_op) { |
| 1871 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1872 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1873 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1874 | if (op->data.send_status_from_server.trailing_metadata_count > |
| 1875 | INT_MAX) { |
| 1876 | error = GRPC_CALL_ERROR_INVALID_METADATA; |
| 1877 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1878 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1879 | stream_op->send_trailing_metadata = true; |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 1880 | call->sent_final_op = true; |
Craig Tiller | 93727aa | 2017-02-06 13:05:39 -0800 | [diff] [blame] | 1881 | GPR_ASSERT(call->send_extra_metadata_count == 0); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1882 | call->send_extra_metadata_count = 1; |
| 1883 | call->send_extra_metadata[0].md = grpc_channel_get_reffed_status_elem( |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 1884 | exec_ctx, call->channel, op->data.send_status_from_server.status); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 1885 | { |
| 1886 | grpc_error *override_error = GRPC_ERROR_NONE; |
| 1887 | if (op->data.send_status_from_server.status != GRPC_STATUS_OK) { |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 1888 | override_error = GRPC_ERROR_CREATE_FROM_STATIC_STRING( |
| 1889 | "Error from server send status"); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 1890 | } |
| 1891 | if (op->data.send_status_from_server.status_details != NULL) { |
| 1892 | call->send_extra_metadata[1].md = grpc_mdelem_from_slices( |
| 1893 | exec_ctx, GRPC_MDSTR_GRPC_MESSAGE, |
| 1894 | grpc_slice_ref_internal( |
| 1895 | *op->data.send_status_from_server.status_details)); |
| 1896 | call->send_extra_metadata_count++; |
| 1897 | char *msg = grpc_slice_to_c_string( |
| 1898 | GRPC_MDVALUE(call->send_extra_metadata[1].md)); |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 1899 | override_error = |
| 1900 | grpc_error_set_str(override_error, GRPC_ERROR_STR_GRPC_MESSAGE, |
| 1901 | grpc_slice_from_copied_string(msg)); |
Craig Tiller | 841a99d | 2016-12-12 16:58:57 -0800 | [diff] [blame] | 1902 | gpr_free(msg); |
| 1903 | } |
| 1904 | set_status_from_error(exec_ctx, call, STATUS_FROM_API_OVERRIDE, |
| 1905 | override_error); |
Craig Tiller | 69a1f66 | 2016-09-28 10:24:21 -0700 | [diff] [blame] | 1906 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1907 | if (!prepare_application_metadata( |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 1908 | exec_ctx, call, |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1909 | (int)op->data.send_status_from_server.trailing_metadata_count, |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1910 | op->data.send_status_from_server.trailing_metadata, 1, 1, NULL, |
| 1911 | 0)) { |
Craig Tiller | 93727aa | 2017-02-06 13:05:39 -0800 | [diff] [blame] | 1912 | for (int n = 0; n < call->send_extra_metadata_count; n++) { |
| 1913 | GRPC_MDELEM_UNREF(exec_ctx, call->send_extra_metadata[n].md); |
| 1914 | } |
| 1915 | call->send_extra_metadata_count = 0; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1916 | error = GRPC_CALL_ERROR_INVALID_METADATA; |
| 1917 | goto done_with_error; |
| 1918 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1919 | stream_op_payload->send_trailing_metadata.send_trailing_metadata = |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1920 | &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */]; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1921 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame^] | 1922 | } |
| 1923 | case GRPC_OP_RECV_INITIAL_METADATA: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1924 | /* Flag validation: currently allow no flags */ |
| 1925 | if (op->flags != 0) { |
| 1926 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1927 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1928 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1929 | if (call->received_initial_metadata) { |
| 1930 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1931 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1932 | } |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 1933 | call->received_initial_metadata = true; |
Mark D. Roth | 448c1f0 | 2017-01-25 10:44:30 -0800 | [diff] [blame] | 1934 | call->buffered_metadata[0] = |
| 1935 | op->data.recv_initial_metadata.recv_initial_metadata; |
ncteisen | 969b46e | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 1936 | GRPC_CLOSURE_INIT(&call->receiving_initial_metadata_ready, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 1937 | receiving_initial_metadata_ready, bctl, |
| 1938 | grpc_schedule_on_exec_ctx); |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1939 | stream_op->recv_initial_metadata = true; |
| 1940 | stream_op_payload->recv_initial_metadata.recv_initial_metadata = |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1941 | &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */]; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1942 | stream_op_payload->recv_initial_metadata.recv_initial_metadata_ready = |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1943 | &call->receiving_initial_metadata_ready; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1944 | if (!call->is_client) { |
| 1945 | stream_op_payload->recv_initial_metadata.peer_string = |
| 1946 | &call->peer_string; |
| 1947 | } |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1948 | num_completion_callbacks_needed++; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1949 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame^] | 1950 | } |
| 1951 | case GRPC_OP_RECV_MESSAGE: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1952 | /* Flag validation: currently allow no flags */ |
| 1953 | if (op->flags != 0) { |
| 1954 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1955 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1956 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1957 | if (call->receiving_message) { |
| 1958 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
yang-g | 48f3a71 | 2015-12-07 11:23:50 -0800 | [diff] [blame] | 1959 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1960 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1961 | call->receiving_message = true; |
| 1962 | stream_op->recv_message = true; |
Mark D. Roth | 448c1f0 | 2017-01-25 10:44:30 -0800 | [diff] [blame] | 1963 | call->receiving_buffer = op->data.recv_message.recv_message; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1964 | stream_op_payload->recv_message.recv_message = &call->receiving_stream; |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 1965 | GRPC_CLOSURE_INIT(&call->receiving_stream_ready, |
| 1966 | receiving_stream_ready_in_call_combiner, bctl, |
| 1967 | grpc_schedule_on_exec_ctx); |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1968 | stream_op_payload->recv_message.recv_message_ready = |
| 1969 | &call->receiving_stream_ready; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1970 | num_completion_callbacks_needed++; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1971 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame^] | 1972 | } |
| 1973 | case GRPC_OP_RECV_STATUS_ON_CLIENT: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1974 | /* Flag validation: currently allow no flags */ |
| 1975 | if (op->flags != 0) { |
| 1976 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1977 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1978 | } |
| 1979 | if (!call->is_client) { |
| 1980 | error = GRPC_CALL_ERROR_NOT_ON_SERVER; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1981 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1982 | } |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 1983 | if (call->requested_final_op) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1984 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1985 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1986 | } |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 1987 | call->requested_final_op = true; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1988 | call->buffered_metadata[1] = |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1989 | op->data.recv_status_on_client.trailing_metadata; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1990 | call->final_op.client.status = op->data.recv_status_on_client.status; |
| 1991 | call->final_op.client.status_details = |
| 1992 | op->data.recv_status_on_client.status_details; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1993 | stream_op->recv_trailing_metadata = true; |
| 1994 | stream_op->collect_stats = true; |
| 1995 | stream_op_payload->recv_trailing_metadata.recv_trailing_metadata = |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1996 | &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */]; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 1997 | stream_op_payload->collect_stats.collect_stats = |
David Garcia Quintas | 5dde14c | 2016-07-28 17:29:27 -0700 | [diff] [blame] | 1998 | &call->final_info.stats.transport_stream_stats; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1999 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame^] | 2000 | } |
| 2001 | case GRPC_OP_RECV_CLOSE_ON_SERVER: { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 2002 | /* Flag validation: currently allow no flags */ |
| 2003 | if (op->flags != 0) { |
| 2004 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2005 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 2006 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2007 | if (call->is_client) { |
| 2008 | error = GRPC_CALL_ERROR_NOT_ON_CLIENT; |
| 2009 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 2010 | } |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 2011 | if (call->requested_final_op) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2012 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 2013 | goto done_with_error; |
| 2014 | } |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 2015 | call->requested_final_op = true; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2016 | call->final_op.server.cancelled = |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 2017 | op->data.recv_close_on_server.cancelled; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 2018 | stream_op->recv_trailing_metadata = true; |
| 2019 | stream_op->collect_stats = true; |
| 2020 | stream_op_payload->recv_trailing_metadata.recv_trailing_metadata = |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2021 | &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */]; |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 2022 | stream_op_payload->collect_stats.collect_stats = |
David Garcia Quintas | 5dde14c | 2016-07-28 17:29:27 -0700 | [diff] [blame] | 2023 | &call->final_info.stats.transport_stream_stats; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 2024 | break; |
Yash Tibrewal | 533d118 | 2017-09-18 10:48:22 -0700 | [diff] [blame^] | 2025 | } |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 2026 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 2027 | } |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 2028 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 2029 | GRPC_CALL_INTERNAL_REF(call, "completion"); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2030 | if (!is_notify_tag_closure) { |
yang-g | 7d6b914 | 2017-07-13 11:48:56 -0700 | [diff] [blame] | 2031 | GPR_ASSERT(grpc_cq_begin_op(call->cq, notify_tag)); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2032 | } |
| 2033 | gpr_ref_init(&bctl->steps_to_complete, num_completion_callbacks_needed); |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 2034 | |
ncteisen | 969b46e | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 2035 | GRPC_CLOSURE_INIT(&bctl->finish_batch, finish_batch, bctl, |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 2036 | grpc_schedule_on_exec_ctx); |
Craig Tiller | 6e7b45e | 2016-07-08 17:25:49 -0700 | [diff] [blame] | 2037 | stream_op->on_complete = &bctl->finish_batch; |
Craig Tiller | b597dcf | 2017-03-09 07:02:11 -0800 | [diff] [blame] | 2038 | gpr_atm_rel_store(&call->any_ops_sent_atm, 1); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2039 | |
Mark D. Roth | 764cf04 | 2017-09-01 09:00:06 -0700 | [diff] [blame] | 2040 | execute_batch(exec_ctx, call, stream_op, &bctl->start_batch); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2041 | |
Craig Tiller | 3ffd822 | 2015-09-21 08:21:57 -0700 | [diff] [blame] | 2042 | done: |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 2043 | GPR_TIMER_END("grpc_call_start_batch", 0); |
Craig Tiller | 3ffd822 | 2015-09-21 08:21:57 -0700 | [diff] [blame] | 2044 | return error; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2045 | |
| 2046 | done_with_error: |
| 2047 | /* reverse any mutations that occured */ |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 2048 | if (stream_op->send_initial_metadata) { |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 2049 | call->sent_initial_metadata = false; |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 2050 | grpc_metadata_batch_clear(exec_ctx, &call->metadata_batch[0][0]); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2051 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 2052 | if (stream_op->send_message) { |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 2053 | call->sending_message = false; |
Craig Tiller | 3b66ab9 | 2015-12-09 19:42:22 -0800 | [diff] [blame] | 2054 | grpc_byte_stream_destroy(exec_ctx, &call->sending_stream.base); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2055 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 2056 | if (stream_op->send_trailing_metadata) { |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 2057 | call->sent_final_op = false; |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 2058 | grpc_metadata_batch_clear(exec_ctx, &call->metadata_batch[0][1]); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2059 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 2060 | if (stream_op->recv_initial_metadata) { |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 2061 | call->received_initial_metadata = false; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2062 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 2063 | if (stream_op->recv_message) { |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 2064 | call->receiving_message = false; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2065 | } |
Craig Tiller | 9c1ec54 | 2017-03-02 08:42:54 -0800 | [diff] [blame] | 2066 | if (stream_op->recv_trailing_metadata) { |
Craig Tiller | e198b71 | 2017-03-31 15:29:33 -0700 | [diff] [blame] | 2067 | call->requested_final_op = false; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2068 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2069 | goto done; |
| 2070 | } |
| 2071 | |
| 2072 | grpc_call_error grpc_call_start_batch(grpc_call *call, const grpc_op *ops, |
| 2073 | size_t nops, void *tag, void *reserved) { |
| 2074 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| 2075 | grpc_call_error err; |
| 2076 | |
| 2077 | GRPC_API_TRACE( |
David Garcia Quintas | 4612337 | 2016-05-09 15:28:42 -0700 | [diff] [blame] | 2078 | "grpc_call_start_batch(call=%p, ops=%p, nops=%lu, tag=%p, " |
| 2079 | "reserved=%p)", |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 2080 | 5, (call, ops, (unsigned long)nops, tag, reserved)); |
| 2081 | |
| 2082 | if (reserved != NULL) { |
| 2083 | err = GRPC_CALL_ERROR; |
| 2084 | } else { |
| 2085 | err = call_start_batch(&exec_ctx, call, ops, nops, tag, 0); |
| 2086 | } |
| 2087 | |
| 2088 | grpc_exec_ctx_finish(&exec_ctx); |
| 2089 | return err; |
| 2090 | } |
| 2091 | |
| 2092 | grpc_call_error grpc_call_start_batch_and_execute(grpc_exec_ctx *exec_ctx, |
| 2093 | grpc_call *call, |
| 2094 | const grpc_op *ops, |
| 2095 | size_t nops, |
| 2096 | grpc_closure *closure) { |
| 2097 | return call_start_batch(exec_ctx, call, ops, nops, closure, 1); |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 2098 | } |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 2099 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 2100 | void grpc_call_context_set(grpc_call *call, grpc_context_index elem, |
| 2101 | void *value, void (*destroy)(void *value)) { |
| 2102 | if (call->context[elem].destroy) { |
| 2103 | call->context[elem].destroy(call->context[elem].value); |
| 2104 | } |
Julien Boeuf | 83b0297 | 2015-05-20 22:50:34 -0700 | [diff] [blame] | 2105 | call->context[elem].value = value; |
| 2106 | call->context[elem].destroy = destroy; |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 2107 | } |
| 2108 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 2109 | void *grpc_call_context_get(grpc_call *call, grpc_context_index elem) { |
Julien Boeuf | 83b0297 | 2015-05-20 22:50:34 -0700 | [diff] [blame] | 2110 | return call->context[elem].value; |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 2111 | } |
Julien Boeuf | 9f218dd | 2015-04-23 10:24:02 -0700 | [diff] [blame] | 2112 | |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 2113 | 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] | 2114 | |
| 2115 | grpc_compression_algorithm grpc_call_compression_for_level( |
| 2116 | grpc_call *call, grpc_compression_level level) { |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 2117 | grpc_compression_algorithm algo = |
| 2118 | compression_algorithm_for_level_locked(call, level); |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 2119 | return algo; |
David Garcia Quintas | 13c2f6e | 2016-03-17 22:51:52 -0700 | [diff] [blame] | 2120 | } |
Yuchen Zeng | 2e7d957 | 2016-04-15 17:29:57 -0700 | [diff] [blame] | 2121 | |
| 2122 | const char *grpc_call_error_to_string(grpc_call_error error) { |
| 2123 | switch (error) { |
| 2124 | case GRPC_CALL_ERROR: |
| 2125 | return "GRPC_CALL_ERROR"; |
| 2126 | case GRPC_CALL_ERROR_ALREADY_ACCEPTED: |
| 2127 | return "GRPC_CALL_ERROR_ALREADY_ACCEPTED"; |
| 2128 | case GRPC_CALL_ERROR_ALREADY_FINISHED: |
| 2129 | return "GRPC_CALL_ERROR_ALREADY_FINISHED"; |
| 2130 | case GRPC_CALL_ERROR_ALREADY_INVOKED: |
| 2131 | return "GRPC_CALL_ERROR_ALREADY_INVOKED"; |
| 2132 | case GRPC_CALL_ERROR_BATCH_TOO_BIG: |
| 2133 | return "GRPC_CALL_ERROR_BATCH_TOO_BIG"; |
| 2134 | case GRPC_CALL_ERROR_INVALID_FLAGS: |
| 2135 | return "GRPC_CALL_ERROR_INVALID_FLAGS"; |
| 2136 | case GRPC_CALL_ERROR_INVALID_MESSAGE: |
| 2137 | return "GRPC_CALL_ERROR_INVALID_MESSAGE"; |
| 2138 | case GRPC_CALL_ERROR_INVALID_METADATA: |
| 2139 | return "GRPC_CALL_ERROR_INVALID_METADATA"; |
| 2140 | case GRPC_CALL_ERROR_NOT_INVOKED: |
| 2141 | return "GRPC_CALL_ERROR_NOT_INVOKED"; |
| 2142 | case GRPC_CALL_ERROR_NOT_ON_CLIENT: |
| 2143 | return "GRPC_CALL_ERROR_NOT_ON_CLIENT"; |
| 2144 | case GRPC_CALL_ERROR_NOT_ON_SERVER: |
| 2145 | return "GRPC_CALL_ERROR_NOT_ON_SERVER"; |
| 2146 | case GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE: |
| 2147 | return "GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE"; |
| 2148 | case GRPC_CALL_ERROR_PAYLOAD_TYPE_MISMATCH: |
| 2149 | return "GRPC_CALL_ERROR_PAYLOAD_TYPE_MISMATCH"; |
| 2150 | case GRPC_CALL_ERROR_TOO_MANY_OPERATIONS: |
| 2151 | return "GRPC_CALL_ERROR_TOO_MANY_OPERATIONS"; |
yang-g | 0eaf7de | 2017-07-05 16:50:51 -0700 | [diff] [blame] | 2152 | case GRPC_CALL_ERROR_COMPLETION_QUEUE_SHUTDOWN: |
| 2153 | return "GRPC_CALL_ERROR_COMPLETION_QUEUE_SHUTDOWN"; |
Yuchen Zeng | 2e7d957 | 2016-04-15 17:29:57 -0700 | [diff] [blame] | 2154 | case GRPC_CALL_OK: |
| 2155 | return "GRPC_CALL_OK"; |
Yuchen Zeng | 2e7d957 | 2016-04-15 17:29:57 -0700 | [diff] [blame] | 2156 | } |
Yuchen Zeng | f02bada | 2016-04-19 14:12:27 -0700 | [diff] [blame] | 2157 | GPR_UNREACHABLE_CODE(return "GRPC_CALL_ERROR_UNKNOW"); |
Yuchen Zeng | 2e7d957 | 2016-04-15 17:29:57 -0700 | [diff] [blame] | 2158 | } |