Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 6169d5f | 2016-03-31 07:46:18 -0700 | [diff] [blame] | 3 | * Copyright 2015, Google Inc. |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
David Garcia Quintas | f74a49e | 2015-06-18 17:22:45 -0700 | [diff] [blame] | 33 | #include <assert.h> |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 34 | #include <limits.h> |
David Garcia Quintas | f74a49e | 2015-06-18 17:22:45 -0700 | [diff] [blame] | 35 | #include <stdio.h> |
| 36 | #include <stdlib.h> |
| 37 | #include <string.h> |
| 38 | |
| 39 | #include <grpc/compression.h> |
murgatroid99 | c3910ca | 2016-01-06 13:14:23 -0800 | [diff] [blame] | 40 | #include <grpc/grpc.h> |
David Garcia Quintas | f74a49e | 2015-06-18 17:22:45 -0700 | [diff] [blame] | 41 | #include <grpc/support/alloc.h> |
| 42 | #include <grpc/support/log.h> |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 43 | #include <grpc/support/slice.h> |
David Garcia Quintas | f74a49e | 2015-06-18 17:22:45 -0700 | [diff] [blame] | 44 | #include <grpc/support/string_util.h> |
David Garcia Quintas | e091af8 | 2015-07-15 21:37:02 -0700 | [diff] [blame] | 45 | #include <grpc/support/useful.h> |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 46 | |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 47 | #include "src/core/lib/channel/channel_stack.h" |
| 48 | #include "src/core/lib/compression/algorithm_metadata.h" |
| 49 | #include "src/core/lib/iomgr/timer.h" |
| 50 | #include "src/core/lib/profiling/timers.h" |
| 51 | #include "src/core/lib/support/string.h" |
| 52 | #include "src/core/lib/surface/api_trace.h" |
| 53 | #include "src/core/lib/surface/call.h" |
| 54 | #include "src/core/lib/surface/channel.h" |
| 55 | #include "src/core/lib/surface/completion_queue.h" |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 56 | #include "src/core/lib/transport/metadata.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 57 | #include "src/core/lib/transport/static_metadata.h" |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 58 | #include "src/core/lib/transport/transport.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 59 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 60 | /** The maximum number of concurrent batches possible. |
Craig Tiller | 1b01167 | 2015-07-10 10:41:44 -0700 | [diff] [blame] | 61 | Based upon the maximum number of individually queueable ops in the batch |
| 62 | api: |
| 63 | - initial metadata send |
| 64 | - message send |
| 65 | - status/close send (depending on client/server) |
| 66 | - initial metadata recv |
| 67 | - message recv |
| 68 | - status/close recv (depending on client/server) */ |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 69 | #define MAX_CONCURRENT_BATCHES 6 |
Craig Tiller | 1b01167 | 2015-07-10 10:41:44 -0700 | [diff] [blame] | 70 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 71 | #define MAX_SEND_EXTRA_METADATA_COUNT 3 |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 72 | |
Craig Tiller | daceea8 | 2015-02-02 16:15:53 -0800 | [diff] [blame] | 73 | /* Status data for a request can come from several sources; this |
| 74 | enumerates them all, and acts as a priority sorting for which |
| 75 | status to return to the application - earlier entries override |
| 76 | later ones */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 77 | typedef enum { |
Craig Tiller | daceea8 | 2015-02-02 16:15:53 -0800 | [diff] [blame] | 78 | /* Status came from the application layer overriding whatever |
| 79 | the wire says */ |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 80 | STATUS_FROM_API_OVERRIDE = 0, |
Craig Tiller | daceea8 | 2015-02-02 16:15:53 -0800 | [diff] [blame] | 81 | /* Status came from 'the wire' - or somewhere below the surface |
| 82 | layer */ |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 83 | STATUS_FROM_WIRE, |
Craig Tiller | 2aa03df | 2016-03-16 08:24:55 -0700 | [diff] [blame] | 84 | /* Status was created by some internal channel stack operation */ |
| 85 | STATUS_FROM_CORE, |
Craig Tiller | aea081f | 2015-06-11 14:19:33 -0700 | [diff] [blame] | 86 | /* Status came from the server sending status */ |
| 87 | STATUS_FROM_SERVER_STATUS, |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 88 | STATUS_SOURCE_COUNT |
| 89 | } status_source; |
| 90 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 91 | typedef struct { |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 92 | uint8_t is_set; |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 93 | grpc_status_code code; |
| 94 | grpc_mdstr *details; |
| 95 | } received_status; |
| 96 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 97 | typedef struct batch_control { |
| 98 | grpc_call *call; |
| 99 | grpc_cq_completion cq_completion; |
| 100 | grpc_closure finish_batch; |
| 101 | void *notify_tag; |
| 102 | gpr_refcount steps_to_complete; |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 103 | grpc_error *error; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 104 | |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 105 | uint8_t send_initial_metadata; |
| 106 | uint8_t send_message; |
| 107 | uint8_t send_final_op; |
| 108 | uint8_t recv_initial_metadata; |
| 109 | uint8_t recv_message; |
| 110 | uint8_t recv_final_op; |
| 111 | uint8_t is_notify_tag_closure; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 112 | } batch_control; |
| 113 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 114 | struct grpc_call { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 115 | grpc_completion_queue *cq; |
David Garcia Quintas | 2a50dfe | 2016-05-31 15:09:12 -0700 | [diff] [blame] | 116 | grpc_polling_entity pollent; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 117 | grpc_channel *channel; |
Craig Tiller | 3e7c6a7 | 2015-07-31 16:17:04 -0700 | [diff] [blame] | 118 | grpc_call *parent; |
Craig Tiller | c7df0df | 2015-08-03 08:06:50 -0700 | [diff] [blame] | 119 | grpc_call *first_child; |
Craig Tiller | cce17ac | 2015-01-20 09:29:28 -0800 | [diff] [blame] | 120 | /* TODO(ctiller): share with cq if possible? */ |
| 121 | gpr_mu mu; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 122 | |
Craig Tiller | e5d683c | 2015-02-03 16:37:36 -0800 | [diff] [blame] | 123 | /* client or server call */ |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 124 | bool is_client; |
Craig Tiller | e5d683c | 2015-02-03 16:37:36 -0800 | [diff] [blame] | 125 | /* is the alarm set */ |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 126 | bool have_alarm; |
Craig Tiller | f3fba74 | 2015-06-11 09:36:33 -0700 | [diff] [blame] | 127 | /** has grpc_call_destroy been called */ |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 128 | bool destroy_called; |
Craig Tiller | c7df0df | 2015-08-03 08:06:50 -0700 | [diff] [blame] | 129 | /** flag indicating that cancellation is inherited */ |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 130 | bool cancellation_is_inherited; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 131 | /** bitmask of live batches */ |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 132 | uint8_t used_batches; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 133 | /** which ops are in-flight */ |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 134 | bool sent_initial_metadata; |
| 135 | bool sending_message; |
| 136 | bool sent_final_op; |
| 137 | bool received_initial_metadata; |
| 138 | bool receiving_message; |
| 139 | bool requested_final_op; |
| 140 | bool received_final_op; |
yang-g | 0b6ad7d | 2015-06-25 14:39:01 -0700 | [diff] [blame] | 141 | |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 142 | /* have we received initial metadata */ |
| 143 | bool has_initial_md_been_received; |
| 144 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 145 | batch_control active_batches[MAX_CONCURRENT_BATCHES]; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 146 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 147 | /* first idx: is_receiving, second idx: is_trailing */ |
| 148 | grpc_metadata_batch metadata_batch[2][2]; |
Craig Tiller | ebf94bf | 2015-02-05 08:48:46 -0800 | [diff] [blame] | 149 | |
Craig Tiller | e5d683c | 2015-02-03 16:37:36 -0800 | [diff] [blame] | 150 | /* Buffered read metadata waiting to be returned to the application. |
| 151 | Element 0 is initial metadata, element 1 is trailing metadata. */ |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 152 | grpc_metadata_array *buffered_metadata[2]; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 153 | |
Craig Tiller | e5d683c | 2015-02-03 16:37:36 -0800 | [diff] [blame] | 154 | /* Received call statuses from various sources */ |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 155 | received_status status[STATUS_SOURCE_COUNT]; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 156 | |
David Garcia Quintas | 01c4d99 | 2016-07-07 20:11:27 -0700 | [diff] [blame] | 157 | /* Call data useful used for reporting. Only valid after the call has |
| 158 | * completed */ |
| 159 | grpc_call_final_info final_info; |
Craig Tiller | 466129e | 2016-03-09 14:43:18 -0800 | [diff] [blame] | 160 | |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 161 | /* Compression algorithm for *incoming* data */ |
| 162 | grpc_compression_algorithm incoming_compression_algorithm; |
David Garcia Quintas | e091af8 | 2015-07-15 21:37:02 -0700 | [diff] [blame] | 163 | /* Supported encodings (compression algorithms), a bitset */ |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 164 | uint32_t encodings_accepted_by_peer; |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 165 | |
Julien Boeuf | c6f8d0a | 2015-05-11 22:40:02 -0700 | [diff] [blame] | 166 | /* Contexts for various subsystems (security, tracing, ...). */ |
Julien Boeuf | 83b0297 | 2015-05-20 22:50:34 -0700 | [diff] [blame] | 167 | grpc_call_context_element context[GRPC_CONTEXT_COUNT]; |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 168 | |
Craig Tiller | e5d683c | 2015-02-03 16:37:36 -0800 | [diff] [blame] | 169 | /* Deadline alarm - if have_alarm is non-zero */ |
David Garcia Quintas | f747bbc | 2015-10-04 23:09:47 -0700 | [diff] [blame] | 170 | grpc_timer alarm; |
Craig Tiller | cce17ac | 2015-01-20 09:29:28 -0800 | [diff] [blame] | 171 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 172 | /* for the client, extra metadata is initial metadata; for the |
| 173 | server, it's trailing metadata */ |
| 174 | grpc_linked_mdelem send_extra_metadata[MAX_SEND_EXTRA_METADATA_COUNT]; |
| 175 | int send_extra_metadata_count; |
Craig Tiller | 6902ad2 | 2015-04-16 08:01:49 -0700 | [diff] [blame] | 176 | gpr_timespec send_deadline; |
| 177 | |
Craig Tiller | d6c98df | 2015-08-18 09:33:44 -0700 | [diff] [blame] | 178 | /** siblings: children of the same parent form a list, and this list is |
| 179 | protected under |
Craig Tiller | c7df0df | 2015-08-03 08:06:50 -0700 | [diff] [blame] | 180 | parent->mu */ |
| 181 | grpc_call *sibling_next; |
| 182 | grpc_call *sibling_prev; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 183 | |
| 184 | grpc_slice_buffer_stream sending_stream; |
| 185 | grpc_byte_stream *receiving_stream; |
| 186 | grpc_byte_buffer **receiving_buffer; |
| 187 | gpr_slice receiving_slice; |
| 188 | grpc_closure receiving_slice_ready; |
| 189 | grpc_closure receiving_stream_ready; |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 190 | grpc_closure receiving_initial_metadata_ready; |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 191 | uint32_t test_only_last_message_flags; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 192 | |
| 193 | union { |
| 194 | struct { |
| 195 | grpc_status_code *status; |
| 196 | char **status_details; |
| 197 | size_t *status_details_capacity; |
| 198 | } client; |
| 199 | struct { |
| 200 | int *cancelled; |
| 201 | } server; |
| 202 | } final_op; |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 203 | |
Craig Tiller | 8a67780 | 2016-04-22 15:07:53 -0700 | [diff] [blame] | 204 | void *saved_receiving_stream_ready_bctlp; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 205 | }; |
| 206 | |
Craig Tiller | 87d5b19 | 2015-04-16 14:37:57 -0700 | [diff] [blame] | 207 | #define CALL_STACK_FROM_CALL(call) ((grpc_call_stack *)((call) + 1)) |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 208 | #define CALL_FROM_CALL_STACK(call_stack) (((grpc_call *)(call_stack)) - 1) |
| 209 | #define CALL_ELEM_FROM_CALL(call, idx) \ |
| 210 | grpc_call_stack_element(CALL_STACK_FROM_CALL(call), idx) |
| 211 | #define CALL_FROM_TOP_ELEM(top_elem) \ |
| 212 | CALL_FROM_CALL_STACK(grpc_call_stack_from_top_element(top_elem)) |
| 213 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 214 | static void set_deadline_alarm(grpc_exec_ctx *exec_ctx, grpc_call *call, |
| 215 | gpr_timespec deadline); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 216 | static void execute_op(grpc_exec_ctx *exec_ctx, grpc_call *call, |
| 217 | grpc_transport_stream_op *op); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 218 | static grpc_call_error cancel_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, |
| 219 | grpc_status_code status, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 220 | const char *description); |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 221 | static grpc_call_error close_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, |
| 222 | grpc_status_code status, |
| 223 | const char *description); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 224 | static void destroy_call(grpc_exec_ctx *exec_ctx, void *call_stack, |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 225 | grpc_error *error); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 226 | static void receiving_slice_ready(grpc_exec_ctx *exec_ctx, void *bctlp, |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 227 | grpc_error *error); |
Craig Tiller | bac4142 | 2015-05-29 16:32:28 -0700 | [diff] [blame] | 228 | |
David Garcia Quintas | 4afce7e | 2016-04-18 16:25:17 -0700 | [diff] [blame] | 229 | grpc_call *grpc_call_create( |
| 230 | grpc_channel *channel, grpc_call *parent_call, uint32_t propagation_mask, |
David Garcia Quintas | 879b3b9 | 2016-04-25 11:23:38 -0700 | [diff] [blame] | 231 | grpc_completion_queue *cq, grpc_pollset_set *pollset_set_alternative, |
David Garcia Quintas | 4afce7e | 2016-04-18 16:25:17 -0700 | [diff] [blame] | 232 | const void *server_transport_data, grpc_mdelem **add_initial_metadata, |
| 233 | size_t add_initial_metadata_count, gpr_timespec send_deadline) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 234 | size_t i, j; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 235 | grpc_channel_stack *channel_stack = grpc_channel_get_channel_stack(channel); |
Craig Tiller | f5768a6 | 2015-09-22 10:54:34 -0700 | [diff] [blame] | 236 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Craig Tiller | 1f41b6b | 2015-10-09 15:07:02 -0700 | [diff] [blame] | 237 | grpc_call *call; |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 238 | GPR_TIMER_BEGIN("grpc_call_create", 0); |
Craig Tiller | 1f41b6b | 2015-10-09 15:07:02 -0700 | [diff] [blame] | 239 | call = gpr_malloc(sizeof(grpc_call) + channel_stack->call_stack_size); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 240 | memset(call, 0, sizeof(grpc_call)); |
| 241 | gpr_mu_init(&call->mu); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 242 | call->channel = channel; |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 243 | call->cq = cq; |
Craig Tiller | 3e7c6a7 | 2015-07-31 16:17:04 -0700 | [diff] [blame] | 244 | call->parent = parent_call; |
David Garcia Quintas | 4612337 | 2016-05-09 15:28:42 -0700 | [diff] [blame] | 245 | /* Always support no compression */ |
| 246 | GPR_BITSET(&call->encodings_accepted_by_peer, GRPC_COMPRESS_NONE); |
Craig Tiller | cce17ac | 2015-01-20 09:29:28 -0800 | [diff] [blame] | 247 | call->is_client = server_transport_data == NULL; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 248 | if (call->is_client) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 249 | GPR_ASSERT(add_initial_metadata_count < MAX_SEND_EXTRA_METADATA_COUNT); |
| 250 | for (i = 0; i < add_initial_metadata_count; i++) { |
| 251 | call->send_extra_metadata[i].md = add_initial_metadata[i]; |
| 252 | } |
| 253 | call->send_extra_metadata_count = (int)add_initial_metadata_count; |
| 254 | } else { |
| 255 | GPR_ASSERT(add_initial_metadata_count == 0); |
| 256 | call->send_extra_metadata_count = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 257 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 258 | for (i = 0; i < 2; i++) { |
| 259 | for (j = 0; j < 2; j++) { |
| 260 | call->metadata_batch[i][j].deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC); |
| 261 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 262 | } |
Craig Tiller | 33ab182 | 2016-07-08 15:19:06 -0700 | [diff] [blame] | 263 | call->send_deadline = |
| 264 | gpr_convert_clock_type(send_deadline, GPR_CLOCK_MONOTONIC); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 265 | GRPC_CHANNEL_INTERNAL_REF(channel, "call"); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 266 | /* initial refcount dropped by grpc_call_destroy */ |
| 267 | grpc_call_stack_init(&exec_ctx, channel_stack, 1, destroy_call, call, |
| 268 | call->context, server_transport_data, |
| 269 | CALL_STACK_FROM_CALL(call)); |
| 270 | if (cq != NULL) { |
David Garcia Quintas | f72eb97 | 2016-05-03 18:28:09 -0700 | [diff] [blame] | 271 | GPR_ASSERT( |
| 272 | pollset_set_alternative == NULL && |
| 273 | "Only one of 'cq' and 'pollset_set_alternative' should be non-NULL."); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 274 | GRPC_CQ_INTERNAL_REF(cq, "bind"); |
David Garcia Quintas | 69ff63d | 2016-06-06 16:39:47 -0700 | [diff] [blame] | 275 | call->pollent = |
| 276 | grpc_polling_entity_create_from_pollset(grpc_cq_pollset(cq)); |
David Garcia Quintas | 4afce7e | 2016-04-18 16:25:17 -0700 | [diff] [blame] | 277 | } |
David Garcia Quintas | 879b3b9 | 2016-04-25 11:23:38 -0700 | [diff] [blame] | 278 | if (pollset_set_alternative != NULL) { |
David Garcia Quintas | 69ff63d | 2016-06-06 16:39:47 -0700 | [diff] [blame] | 279 | call->pollent = |
| 280 | grpc_polling_entity_create_from_pollset_set(pollset_set_alternative); |
David Garcia Quintas | f72eb97 | 2016-05-03 18:28:09 -0700 | [diff] [blame] | 281 | } |
David Garcia Quintas | c4d5112 | 2016-06-06 14:56:02 -0700 | [diff] [blame] | 282 | if (!grpc_polling_entity_is_empty(&call->pollent)) { |
David Garcia Quintas | 4afce7e | 2016-04-18 16:25:17 -0700 | [diff] [blame] | 283 | grpc_call_stack_set_pollset_or_pollset_set( |
David Garcia Quintas | 2a50dfe | 2016-05-31 15:09:12 -0700 | [diff] [blame] | 284 | &exec_ctx, CALL_STACK_FROM_CALL(call), &call->pollent); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 285 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 286 | if (parent_call != NULL) { |
| 287 | GRPC_CALL_INTERNAL_REF(parent_call, "child"); |
| 288 | GPR_ASSERT(call->is_client); |
| 289 | GPR_ASSERT(!parent_call->is_client); |
| 290 | |
| 291 | gpr_mu_lock(&parent_call->mu); |
| 292 | |
| 293 | if (propagation_mask & GRPC_PROPAGATE_DEADLINE) { |
| 294 | send_deadline = gpr_time_min( |
| 295 | gpr_convert_clock_type(send_deadline, |
| 296 | parent_call->send_deadline.clock_type), |
| 297 | parent_call->send_deadline); |
Craig Tiller | c7df0df | 2015-08-03 08:06:50 -0700 | [diff] [blame] | 298 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 299 | /* for now GRPC_PROPAGATE_TRACING_CONTEXT *MUST* be passed with |
| 300 | * GRPC_PROPAGATE_STATS_CONTEXT */ |
| 301 | /* TODO(ctiller): This should change to use the appropriate census start_op |
| 302 | * call. */ |
| 303 | if (propagation_mask & GRPC_PROPAGATE_CENSUS_TRACING_CONTEXT) { |
| 304 | GPR_ASSERT(propagation_mask & GRPC_PROPAGATE_CENSUS_STATS_CONTEXT); |
| 305 | grpc_call_context_set(call, GRPC_CONTEXT_TRACING, |
| 306 | parent_call->context[GRPC_CONTEXT_TRACING].value, |
| 307 | NULL); |
| 308 | } else { |
| 309 | GPR_ASSERT(propagation_mask & GRPC_PROPAGATE_CENSUS_STATS_CONTEXT); |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 310 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 311 | if (propagation_mask & GRPC_PROPAGATE_CANCELLATION) { |
| 312 | call->cancellation_is_inherited = 1; |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 313 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 314 | |
| 315 | if (parent_call->first_child == NULL) { |
| 316 | parent_call->first_child = call; |
| 317 | call->sibling_next = call->sibling_prev = call; |
| 318 | } else { |
| 319 | call->sibling_next = parent_call->first_child; |
| 320 | call->sibling_prev = parent_call->first_child->sibling_prev; |
| 321 | call->sibling_next->sibling_prev = call->sibling_prev->sibling_next = |
| 322 | call; |
| 323 | } |
| 324 | |
| 325 | gpr_mu_unlock(&parent_call->mu); |
| 326 | } |
| 327 | if (gpr_time_cmp(send_deadline, gpr_inf_future(send_deadline.clock_type)) != |
| 328 | 0) { |
| 329 | set_deadline_alarm(&exec_ctx, call, send_deadline); |
| 330 | } |
| 331 | grpc_exec_ctx_finish(&exec_ctx); |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 332 | GPR_TIMER_END("grpc_call_create", 0); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 333 | return call; |
| 334 | } |
| 335 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 336 | void grpc_call_set_completion_queue(grpc_exec_ctx *exec_ctx, grpc_call *call, |
| 337 | grpc_completion_queue *cq) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 338 | GPR_ASSERT(cq); |
David Garcia Quintas | f72eb97 | 2016-05-03 18:28:09 -0700 | [diff] [blame] | 339 | |
David Garcia Quintas | c4d5112 | 2016-06-06 14:56:02 -0700 | [diff] [blame] | 340 | if (grpc_polling_entity_pollset_set(&call->pollent) != NULL) { |
David Garcia Quintas | f72eb97 | 2016-05-03 18:28:09 -0700 | [diff] [blame] | 341 | gpr_log(GPR_ERROR, "A pollset_set is already registered for this call."); |
| 342 | abort(); |
| 343 | } |
Craig Tiller | 166e250 | 2015-02-03 20:14:41 -0800 | [diff] [blame] | 344 | call->cq = cq; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 345 | GRPC_CQ_INTERNAL_REF(cq, "bind"); |
David Garcia Quintas | c4d5112 | 2016-06-06 14:56:02 -0700 | [diff] [blame] | 346 | 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] | 347 | grpc_call_stack_set_pollset_or_pollset_set( |
David Garcia Quintas | 2a50dfe | 2016-05-31 15:09:12 -0700 | [diff] [blame] | 348 | exec_ctx, CALL_STACK_FROM_CALL(call), &call->pollent); |
Craig Tiller | 166e250 | 2015-02-03 20:14:41 -0800 | [diff] [blame] | 349 | } |
| 350 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 351 | #ifdef GRPC_STREAM_REFCOUNT_DEBUG |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 352 | #define REF_REASON reason |
| 353 | #define REF_ARG , const char *reason |
Craig Tiller | 4df412b | 2015-04-28 07:57:54 -0700 | [diff] [blame] | 354 | #else |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 355 | #define REF_REASON "" |
| 356 | #define REF_ARG |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 357 | #endif |
Craig Tiller | 7b43561 | 2015-11-24 08:15:05 -0800 | [diff] [blame] | 358 | void grpc_call_internal_ref(grpc_call *c REF_ARG) { |
| 359 | GRPC_CALL_STACK_REF(CALL_STACK_FROM_CALL(c), REF_REASON); |
| 360 | } |
| 361 | void grpc_call_internal_unref(grpc_exec_ctx *exec_ctx, grpc_call *c REF_ARG) { |
| 362 | GRPC_CALL_STACK_UNREF(exec_ctx, CALL_STACK_FROM_CALL(c), REF_REASON); |
| 363 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 364 | |
David Garcia Quintas | 01c4d99 | 2016-07-07 20:11:27 -0700 | [diff] [blame] | 365 | static void get_final_status(grpc_call *call, |
| 366 | void (*set_value)(grpc_status_code code, |
| 367 | void *user_data), |
| 368 | void *set_value_user_data) { |
| 369 | int i; |
| 370 | for (i = 0; i < STATUS_SOURCE_COUNT; i++) { |
| 371 | if (call->status[i].is_set) { |
| 372 | set_value(call->status[i].code, set_value_user_data); |
| 373 | return; |
| 374 | } |
| 375 | } |
| 376 | if (call->is_client) { |
| 377 | set_value(GRPC_STATUS_UNKNOWN, set_value_user_data); |
| 378 | } else { |
| 379 | set_value(GRPC_STATUS_OK, set_value_user_data); |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | static void set_status_value_directly(grpc_status_code status, void *dest); |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 384 | static void destroy_call(grpc_exec_ctx *exec_ctx, void *call, |
| 385 | grpc_error *error) { |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 386 | size_t i; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 387 | int ii; |
Craig Tiller | aef25da | 2015-01-29 17:19:45 -0800 | [diff] [blame] | 388 | grpc_call *c = call; |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 389 | GPR_TIMER_BEGIN("destroy_call", 0); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 390 | for (i = 0; i < 2; i++) { |
| 391 | grpc_metadata_batch_destroy( |
| 392 | &c->metadata_batch[1 /* is_receiving */][i /* is_initial */]); |
| 393 | } |
| 394 | if (c->receiving_stream != NULL) { |
Craig Tiller | 3b66ab9 | 2015-12-09 19:42:22 -0800 | [diff] [blame] | 395 | grpc_byte_stream_destroy(exec_ctx, c->receiving_stream); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 396 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 397 | gpr_mu_destroy(&c->mu); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 398 | for (i = 0; i < STATUS_SOURCE_COUNT; i++) { |
| 399 | if (c->status[i].details) { |
| 400 | GRPC_MDSTR_UNREF(c->status[i].details); |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 401 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 402 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 403 | for (ii = 0; ii < c->send_extra_metadata_count; ii++) { |
| 404 | GRPC_MDELEM_UNREF(c->send_extra_metadata[ii].md); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 405 | } |
| 406 | for (i = 0; i < GRPC_CONTEXT_COUNT; i++) { |
| 407 | if (c->context[i].destroy) { |
| 408 | c->context[i].destroy(c->context[i].value); |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 409 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 410 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 411 | if (c->cq) { |
| 412 | GRPC_CQ_INTERNAL_UNREF(c->cq, "bind"); |
| 413 | } |
Craig Tiller | 9859d8d | 2016-04-26 21:07:53 -0700 | [diff] [blame] | 414 | grpc_channel *channel = c->channel; |
David Garcia Quintas | 01c4d99 | 2016-07-07 20:11:27 -0700 | [diff] [blame] | 415 | |
| 416 | get_final_status(call, set_status_value_directly, |
| 417 | &c->final_info.final_status); |
| 418 | |
| 419 | grpc_call_stack_destroy(exec_ctx, CALL_STACK_FROM_CALL(c), &c->final_info, c); |
Craig Tiller | 9859d8d | 2016-04-26 21:07:53 -0700 | [diff] [blame] | 420 | GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel, "call"); |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 421 | GPR_TIMER_END("destroy_call", 0); |
Craig Tiller | a454110 | 2015-01-29 11:46:11 -0800 | [diff] [blame] | 422 | } |
| 423 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 424 | static void set_status_code(grpc_call *call, status_source source, |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 425 | uint32_t status) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 426 | if (call->status[source].is_set) return; |
Craig Tiller | b8d3a31 | 2015-06-19 17:27:53 -0700 | [diff] [blame] | 427 | |
Craig Tiller | daceea8 | 2015-02-02 16:15:53 -0800 | [diff] [blame] | 428 | call->status[source].is_set = 1; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 429 | call->status[source].code = (grpc_status_code)status; |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 430 | } |
Craig Tiller | 3054756 | 2015-02-05 17:04:51 -0800 | [diff] [blame] | 431 | |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 432 | static void set_status_details(grpc_call *call, status_source source, |
| 433 | grpc_mdstr *status) { |
| 434 | if (call->status[source].details != NULL) { |
Craig Tiller | be1b9a7 | 2016-06-24 13:22:11 -0700 | [diff] [blame] | 435 | GRPC_MDSTR_UNREF(status); |
| 436 | } else { |
| 437 | call->status[source].details = status; |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 438 | } |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 439 | } |
| 440 | |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 441 | static void set_status_from_error(grpc_call *call, status_source source, |
| 442 | grpc_error *error) { |
| 443 | intptr_t status; |
| 444 | if (grpc_error_get_int(error, GRPC_ERROR_INT_GRPC_STATUS, &status)) { |
| 445 | set_status_code(call, source, (uint32_t)status); |
| 446 | } else { |
| 447 | set_status_code(call, source, GRPC_STATUS_INTERNAL); |
| 448 | } |
| 449 | const char *msg = grpc_error_get_str(error, GRPC_ERROR_STR_GRPC_MESSAGE); |
| 450 | bool free_msg = false; |
| 451 | if (msg == NULL) { |
| 452 | free_msg = true; |
| 453 | msg = grpc_error_string(error); |
| 454 | } |
| 455 | set_status_details(call, source, grpc_mdstr_from_string(msg)); |
| 456 | if (free_msg) grpc_error_free_string(msg); |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 457 | } |
| 458 | |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 459 | static void set_incoming_compression_algorithm( |
| 460 | grpc_call *call, grpc_compression_algorithm algo) { |
David Garcia Quintas | 303d308 | 2016-05-05 18:25:34 -0700 | [diff] [blame] | 461 | GPR_ASSERT(algo < GRPC_COMPRESS_ALGORITHMS_COUNT); |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 462 | call->incoming_compression_algorithm = algo; |
David Garcia Quintas | db94b27 | 2015-06-15 18:37:01 -0700 | [diff] [blame] | 463 | } |
| 464 | |
David Garcia Quintas | 0c33188 | 2015-10-08 14:51:54 -0700 | [diff] [blame] | 465 | grpc_compression_algorithm grpc_call_test_only_get_compression_algorithm( |
David Garcia Quintas | 64824be | 2015-10-06 19:45:36 -0700 | [diff] [blame] | 466 | grpc_call *call) { |
| 467 | grpc_compression_algorithm algorithm; |
| 468 | gpr_mu_lock(&call->mu); |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 469 | algorithm = call->incoming_compression_algorithm; |
David Garcia Quintas | 64824be | 2015-10-06 19:45:36 -0700 | [diff] [blame] | 470 | gpr_mu_unlock(&call->mu); |
| 471 | return algorithm; |
David Garcia Quintas | 7c0d914 | 2015-07-23 04:58:20 -0700 | [diff] [blame] | 472 | } |
| 473 | |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 474 | static grpc_compression_algorithm compression_algorithm_for_level_locked( |
| 475 | grpc_call *call, grpc_compression_level level) { |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 476 | return grpc_compression_algorithm_for_level(level, |
| 477 | call->encodings_accepted_by_peer); |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 478 | } |
| 479 | |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 480 | uint32_t grpc_call_test_only_get_message_flags(grpc_call *call) { |
| 481 | uint32_t flags; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 482 | gpr_mu_lock(&call->mu); |
| 483 | flags = call->test_only_last_message_flags; |
| 484 | gpr_mu_unlock(&call->mu); |
| 485 | return flags; |
| 486 | } |
| 487 | |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 488 | static void destroy_encodings_accepted_by_peer(void *p) { return; } |
| 489 | |
| 490 | static void set_encodings_accepted_by_peer(grpc_call *call, grpc_mdelem *mdel) { |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 491 | size_t i; |
| 492 | grpc_compression_algorithm algorithm; |
| 493 | gpr_slice_buffer accept_encoding_parts; |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 494 | gpr_slice accept_encoding_slice; |
| 495 | void *accepted_user_data; |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 496 | |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 497 | accepted_user_data = |
| 498 | grpc_mdelem_get_user_data(mdel, destroy_encodings_accepted_by_peer); |
| 499 | if (accepted_user_data != NULL) { |
| 500 | call->encodings_accepted_by_peer = |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 501 | (uint32_t)(((uintptr_t)accepted_user_data) - 1); |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 502 | return; |
| 503 | } |
| 504 | |
| 505 | accept_encoding_slice = mdel->value->slice; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 506 | gpr_slice_buffer_init(&accept_encoding_parts); |
| 507 | gpr_slice_split(accept_encoding_slice, ",", &accept_encoding_parts); |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 508 | |
David Garcia Quintas | e091af8 | 2015-07-15 21:37:02 -0700 | [diff] [blame] | 509 | /* No need to zero call->encodings_accepted_by_peer: grpc_call_create already |
| 510 | * zeroes the whole grpc_call */ |
David Garcia Quintas | b1866bd | 2015-07-08 22:37:01 -0700 | [diff] [blame] | 511 | /* Always support no compression */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 512 | GPR_BITSET(&call->encodings_accepted_by_peer, GRPC_COMPRESS_NONE); |
| 513 | for (i = 0; i < accept_encoding_parts.count; i++) { |
| 514 | const gpr_slice *accept_encoding_entry_slice = |
| 515 | &accept_encoding_parts.slices[i]; |
| 516 | if (grpc_compression_algorithm_parse( |
| 517 | (const char *)GPR_SLICE_START_PTR(*accept_encoding_entry_slice), |
| 518 | GPR_SLICE_LENGTH(*accept_encoding_entry_slice), &algorithm)) { |
| 519 | GPR_BITSET(&call->encodings_accepted_by_peer, algorithm); |
| 520 | } else { |
| 521 | char *accept_encoding_entry_str = |
| 522 | gpr_dump_slice(*accept_encoding_entry_slice, GPR_DUMP_ASCII); |
| 523 | gpr_log(GPR_ERROR, |
| 524 | "Invalid entry in accept encoding metadata: '%s'. Ignoring.", |
| 525 | accept_encoding_entry_str); |
| 526 | gpr_free(accept_encoding_entry_str); |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 527 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 528 | } |
Craig Tiller | 3ff2754 | 2015-10-09 15:39:44 -0700 | [diff] [blame] | 529 | |
| 530 | gpr_slice_buffer_destroy(&accept_encoding_parts); |
| 531 | |
| 532 | grpc_mdelem_set_user_data( |
| 533 | mdel, destroy_encodings_accepted_by_peer, |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 534 | (void *)(((uintptr_t)call->encodings_accepted_by_peer) + 1)); |
David Garcia Quintas | b8edf7e | 2015-07-08 20:18:57 -0700 | [diff] [blame] | 535 | } |
| 536 | |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 537 | uint32_t grpc_call_test_only_get_encodings_accepted_by_peer(grpc_call *call) { |
| 538 | uint32_t encodings_accepted_by_peer; |
David Garcia Quintas | 0c33188 | 2015-10-08 14:51:54 -0700 | [diff] [blame] | 539 | gpr_mu_lock(&call->mu); |
| 540 | encodings_accepted_by_peer = call->encodings_accepted_by_peer; |
| 541 | gpr_mu_unlock(&call->mu); |
| 542 | return encodings_accepted_by_peer; |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 543 | } |
| 544 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 545 | static void get_final_details(grpc_call *call, char **out_details, |
| 546 | size_t *out_details_capacity) { |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 547 | int i; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 548 | for (i = 0; i < STATUS_SOURCE_COUNT; i++) { |
| 549 | if (call->status[i].is_set) { |
| 550 | if (call->status[i].details) { |
| 551 | gpr_slice details = call->status[i].details->slice; |
| 552 | size_t len = GPR_SLICE_LENGTH(details); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 553 | if (len + 1 > *out_details_capacity) { |
| 554 | *out_details_capacity = |
| 555 | GPR_MAX(len + 1, *out_details_capacity * 3 / 2); |
| 556 | *out_details = gpr_realloc(*out_details, *out_details_capacity); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 557 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 558 | memcpy(*out_details, GPR_SLICE_START_PTR(details), len); |
| 559 | (*out_details)[len] = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 560 | } else { |
| 561 | goto no_details; |
| 562 | } |
| 563 | return; |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 564 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 565 | } |
Craig Tiller | 1e0d4c4 | 2015-01-30 16:17:29 -0800 | [diff] [blame] | 566 | |
| 567 | no_details: |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 568 | if (0 == *out_details_capacity) { |
| 569 | *out_details_capacity = 8; |
| 570 | *out_details = gpr_malloc(*out_details_capacity); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 571 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 572 | **out_details = 0; |
Craig Tiller | 6875272 | 2015-01-29 14:59:54 -0800 | [diff] [blame] | 573 | } |
| 574 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 575 | static grpc_linked_mdelem *linked_from_md(grpc_metadata *md) { |
| 576 | return (grpc_linked_mdelem *)&md->internal_data; |
Craig Tiller | c12fee6 | 2015-02-03 11:55:50 -0800 | [diff] [blame] | 577 | } |
| 578 | |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 579 | static grpc_metadata *get_md_elem(grpc_metadata *metadata, |
| 580 | grpc_metadata *additional_metadata, int i, |
| 581 | int count) { |
| 582 | grpc_metadata *res = |
| 583 | i < count ? &metadata[i] : &additional_metadata[i - count]; |
| 584 | GPR_ASSERT(res); |
| 585 | return res; |
| 586 | } |
| 587 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 588 | static int prepare_application_metadata(grpc_call *call, int count, |
| 589 | grpc_metadata *metadata, |
| 590 | int is_trailing, |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 591 | int prepend_extra_metadata, |
| 592 | grpc_metadata *additional_metadata, |
| 593 | int additional_metadata_count) { |
| 594 | int total_count = count + additional_metadata_count; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 595 | int i; |
| 596 | grpc_metadata_batch *batch = |
| 597 | &call->metadata_batch[0 /* is_receiving */][is_trailing]; |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 598 | for (i = 0; i < total_count; i++) { |
| 599 | const grpc_metadata *md = |
| 600 | get_md_elem(metadata, additional_metadata, i, count); |
Craig Tiller | b42445c | 2016-04-22 13:11:44 -0700 | [diff] [blame] | 601 | grpc_linked_mdelem *l = (grpc_linked_mdelem *)&md->internal_data; |
| 602 | GPR_ASSERT(sizeof(grpc_linked_mdelem) == sizeof(md->internal_data)); |
| 603 | l->md = grpc_mdelem_from_string_and_buffer( |
| 604 | md->key, (const uint8_t *)md->value, md->value_length); |
| 605 | if (!grpc_header_key_is_legal(grpc_mdstr_as_c_string(l->md->key), |
| 606 | GRPC_MDSTR_LENGTH(l->md->key))) { |
| 607 | gpr_log(GPR_ERROR, "attempt to send invalid metadata key: %s", |
| 608 | grpc_mdstr_as_c_string(l->md->key)); |
| 609 | break; |
| 610 | } else if (!grpc_is_binary_header(grpc_mdstr_as_c_string(l->md->key), |
| 611 | GRPC_MDSTR_LENGTH(l->md->key)) && |
| 612 | !grpc_header_nonbin_value_is_legal( |
| 613 | grpc_mdstr_as_c_string(l->md->value), |
| 614 | GRPC_MDSTR_LENGTH(l->md->value))) { |
| 615 | gpr_log(GPR_ERROR, "attempt to send invalid metadata value"); |
| 616 | break; |
| 617 | } |
| 618 | } |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 619 | if (i != total_count) { |
Craig Tiller | b42445c | 2016-04-22 13:11:44 -0700 | [diff] [blame] | 620 | for (int j = 0; j <= i; j++) { |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 621 | const grpc_metadata *md = |
| 622 | get_md_elem(metadata, additional_metadata, j, count); |
Craig Tiller | b42445c | 2016-04-22 13:11:44 -0700 | [diff] [blame] | 623 | grpc_linked_mdelem *l = (grpc_linked_mdelem *)&md->internal_data; |
| 624 | GRPC_MDELEM_UNREF(l->md); |
| 625 | } |
| 626 | return 0; |
| 627 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 628 | if (prepend_extra_metadata) { |
| 629 | if (call->send_extra_metadata_count == 0) { |
| 630 | prepend_extra_metadata = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 631 | } else { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 632 | for (i = 0; i < call->send_extra_metadata_count; i++) { |
| 633 | GRPC_MDELEM_REF(call->send_extra_metadata[i].md); |
| 634 | } |
| 635 | for (i = 1; i < call->send_extra_metadata_count; i++) { |
| 636 | call->send_extra_metadata[i].prev = &call->send_extra_metadata[i - 1]; |
| 637 | } |
| 638 | for (i = 0; i < call->send_extra_metadata_count - 1; i++) { |
| 639 | call->send_extra_metadata[i].next = &call->send_extra_metadata[i + 1]; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 640 | } |
Craig Tiller | 629b0ed | 2015-04-22 11:14:26 -0700 | [diff] [blame] | 641 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 642 | } |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 643 | for (i = 1; i < total_count; i++) { |
| 644 | grpc_metadata *md = get_md_elem(metadata, additional_metadata, i, count); |
| 645 | grpc_metadata *prev_md = |
| 646 | get_md_elem(metadata, additional_metadata, i - 1, count); |
| 647 | linked_from_md(md)->prev = linked_from_md(prev_md); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 648 | } |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 649 | for (i = 0; i < total_count - 1; i++) { |
| 650 | grpc_metadata *md = get_md_elem(metadata, additional_metadata, i, count); |
| 651 | grpc_metadata *next_md = |
| 652 | get_md_elem(metadata, additional_metadata, i + 1, count); |
| 653 | linked_from_md(md)->next = linked_from_md(next_md); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 654 | } |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 655 | |
| 656 | switch (prepend_extra_metadata * 2 + (total_count != 0)) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 657 | case 0: |
| 658 | /* no prepend, no metadata => nothing to do */ |
| 659 | batch->list.head = batch->list.tail = NULL; |
| 660 | break; |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 661 | case 1: { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 662 | /* metadata, but no prepend */ |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 663 | grpc_metadata *first_md = |
| 664 | get_md_elem(metadata, additional_metadata, 0, count); |
| 665 | grpc_metadata *last_md = |
| 666 | get_md_elem(metadata, additional_metadata, total_count - 1, count); |
| 667 | batch->list.head = linked_from_md(first_md); |
| 668 | batch->list.tail = linked_from_md(last_md); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 669 | batch->list.head->prev = NULL; |
| 670 | batch->list.tail->next = NULL; |
| 671 | break; |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 672 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 673 | case 2: |
| 674 | /* prepend, but no md */ |
| 675 | batch->list.head = &call->send_extra_metadata[0]; |
| 676 | batch->list.tail = |
| 677 | &call->send_extra_metadata[call->send_extra_metadata_count - 1]; |
| 678 | batch->list.head->prev = NULL; |
| 679 | batch->list.tail->next = NULL; |
| 680 | break; |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 681 | case 3: { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 682 | /* prepend AND md */ |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 683 | grpc_metadata *first_md = |
| 684 | get_md_elem(metadata, additional_metadata, 0, count); |
| 685 | grpc_metadata *last_md = |
| 686 | get_md_elem(metadata, additional_metadata, total_count - 1, count); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 687 | batch->list.head = &call->send_extra_metadata[0]; |
| 688 | call->send_extra_metadata[call->send_extra_metadata_count - 1].next = |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 689 | linked_from_md(first_md); |
| 690 | linked_from_md(first_md)->prev = |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 691 | &call->send_extra_metadata[call->send_extra_metadata_count - 1]; |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 692 | batch->list.tail = linked_from_md(last_md); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 693 | batch->list.head->prev = NULL; |
| 694 | batch->list.tail->next = NULL; |
| 695 | break; |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 696 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 697 | default: |
| 698 | GPR_UNREACHABLE_CODE(return 0); |
| 699 | } |
| 700 | |
Craig Tiller | b96d001 | 2015-05-06 15:33:23 -0700 | [diff] [blame] | 701 | return 1; |
| 702 | } |
| 703 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 704 | void grpc_call_destroy(grpc_call *c) { |
ctiller | c6d61c4 | 2014-12-15 14:52:08 -0800 | [diff] [blame] | 705 | int cancel; |
Craig Tiller | 2e95e4a | 2015-08-07 10:40:33 -0700 | [diff] [blame] | 706 | grpc_call *parent = c->parent; |
Craig Tiller | f5768a6 | 2015-09-22 10:54:34 -0700 | [diff] [blame] | 707 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Craig Tiller | 2e95e4a | 2015-08-07 10:40:33 -0700 | [diff] [blame] | 708 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 709 | GPR_TIMER_BEGIN("grpc_call_destroy", 0); |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 710 | GRPC_API_TRACE("grpc_call_destroy(c=%p)", 1, (c)); |
| 711 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 712 | if (parent) { |
| 713 | gpr_mu_lock(&parent->mu); |
| 714 | if (c == parent->first_child) { |
| 715 | parent->first_child = c->sibling_next; |
| 716 | if (c == parent->first_child) { |
| 717 | parent->first_child = NULL; |
| 718 | } |
| 719 | c->sibling_prev->sibling_next = c->sibling_next; |
| 720 | c->sibling_next->sibling_prev = c->sibling_prev; |
Craig Tiller | 2e95e4a | 2015-08-07 10:40:33 -0700 | [diff] [blame] | 721 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 722 | gpr_mu_unlock(&parent->mu); |
| 723 | GRPC_CALL_INTERNAL_UNREF(&exec_ctx, parent, "child"); |
| 724 | } |
Craig Tiller | 2e95e4a | 2015-08-07 10:40:33 -0700 | [diff] [blame] | 725 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 726 | gpr_mu_lock(&c->mu); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 727 | GPR_ASSERT(!c->destroy_called); |
Craig Tiller | f3fba74 | 2015-06-11 09:36:33 -0700 | [diff] [blame] | 728 | c->destroy_called = 1; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 729 | if (c->have_alarm) { |
David Garcia Quintas | f747bbc | 2015-10-04 23:09:47 -0700 | [diff] [blame] | 730 | grpc_timer_cancel(&exec_ctx, &c->alarm); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 731 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 732 | cancel = !c->received_final_op; |
| 733 | gpr_mu_unlock(&c->mu); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 734 | if (cancel) grpc_call_cancel(c, NULL); |
| 735 | GRPC_CALL_INTERNAL_UNREF(&exec_ctx, c, "destroy"); |
| 736 | grpc_exec_ctx_finish(&exec_ctx); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 737 | GPR_TIMER_END("grpc_call_destroy", 0); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 738 | } |
| 739 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 740 | grpc_call_error grpc_call_cancel(grpc_call *call, void *reserved) { |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 741 | GRPC_API_TRACE("grpc_call_cancel(call=%p, reserved=%p)", 2, (call, reserved)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 742 | GPR_ASSERT(!reserved); |
| 743 | return grpc_call_cancel_with_status(call, GRPC_STATUS_CANCELLED, "Cancelled", |
| 744 | NULL); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 745 | } |
| 746 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 747 | grpc_call_error grpc_call_cancel_with_status(grpc_call *c, |
| 748 | grpc_status_code status, |
| 749 | const char *description, |
| 750 | void *reserved) { |
Craig Tiller | 5dde66e | 2015-06-02 09:05:23 -0700 | [diff] [blame] | 751 | grpc_call_error r; |
Craig Tiller | f5768a6 | 2015-09-22 10:54:34 -0700 | [diff] [blame] | 752 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 753 | GRPC_API_TRACE( |
| 754 | "grpc_call_cancel_with_status(" |
Craig Tiller | 4de3e4f | 2015-10-05 08:55:50 -0700 | [diff] [blame] | 755 | "c=%p, status=%d, description=%s, reserved=%p)", |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 756 | 4, (c, (int)status, description, reserved)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 757 | GPR_ASSERT(reserved == NULL); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 758 | gpr_mu_lock(&c->mu); |
| 759 | r = cancel_with_status(&exec_ctx, c, status, description); |
| 760 | gpr_mu_unlock(&c->mu); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 761 | grpc_exec_ctx_finish(&exec_ctx); |
Craig Tiller | 5dde66e | 2015-06-02 09:05:23 -0700 | [diff] [blame] | 762 | return r; |
Yang Gao | ff30f8e | 2015-05-04 00:13:39 -0700 | [diff] [blame] | 763 | } |
| 764 | |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 765 | typedef struct termination_closure { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 766 | grpc_closure closure; |
| 767 | grpc_call *call; |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 768 | grpc_error *error; |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 769 | grpc_closure *op_closure; |
| 770 | enum { TC_CANCEL, TC_CLOSE } type; |
| 771 | } termination_closure; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 772 | |
Craig Tiller | 0ca68b7 | 2016-06-09 07:50:50 -0700 | [diff] [blame] | 773 | static void done_termination(grpc_exec_ctx *exec_ctx, void *tcp, |
| 774 | grpc_error *error) { |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 775 | termination_closure *tc = tcp; |
Craig Tiller | 0ca68b7 | 2016-06-09 07:50:50 -0700 | [diff] [blame] | 776 | switch (tc->type) { |
| 777 | case TC_CANCEL: |
| 778 | GRPC_CALL_INTERNAL_UNREF(exec_ctx, tc->call, "cancel"); |
| 779 | break; |
| 780 | case TC_CLOSE: |
| 781 | GRPC_CALL_INTERNAL_UNREF(exec_ctx, tc->call, "close"); |
| 782 | break; |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 783 | } |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 784 | GRPC_ERROR_UNREF(tc->error); |
Craig Tiller | 0ca68b7 | 2016-06-09 07:50:50 -0700 | [diff] [blame] | 785 | grpc_exec_ctx_sched(exec_ctx, tc->op_closure, GRPC_ERROR_NONE, NULL); |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 786 | gpr_free(tc); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 787 | } |
| 788 | |
Craig Tiller | 0ca68b7 | 2016-06-09 07:50:50 -0700 | [diff] [blame] | 789 | static void send_cancel(grpc_exec_ctx *exec_ctx, void *tcp, grpc_error *error) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 790 | grpc_transport_stream_op op; |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 791 | termination_closure *tc = tcp; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 792 | memset(&op, 0, sizeof(op)); |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 793 | op.cancel_error = tc->error; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 794 | /* reuse closure to catch completion */ |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 795 | grpc_closure_init(&tc->closure, done_termination, tc); |
| 796 | op.on_complete = &tc->closure; |
| 797 | execute_op(exec_ctx, tc->call, &op); |
| 798 | } |
| 799 | |
Craig Tiller | 0ca68b7 | 2016-06-09 07:50:50 -0700 | [diff] [blame] | 800 | static void send_close(grpc_exec_ctx *exec_ctx, void *tcp, grpc_error *error) { |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 801 | grpc_transport_stream_op op; |
| 802 | termination_closure *tc = tcp; |
| 803 | memset(&op, 0, sizeof(op)); |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 804 | op.close_error = tc->error; |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 805 | /* reuse closure to catch completion */ |
| 806 | grpc_closure_init(&tc->closure, done_termination, tc); |
| 807 | tc->op_closure = op.on_complete; |
| 808 | op.on_complete = &tc->closure; |
| 809 | execute_op(exec_ctx, tc->call, &op); |
| 810 | } |
| 811 | |
| 812 | static grpc_call_error terminate_with_status(grpc_exec_ctx *exec_ctx, |
| 813 | termination_closure *tc) { |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 814 | set_status_from_error(tc->call, STATUS_FROM_API_OVERRIDE, tc->error); |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 815 | |
| 816 | if (tc->type == TC_CANCEL) { |
| 817 | grpc_closure_init(&tc->closure, send_cancel, tc); |
| 818 | GRPC_CALL_INTERNAL_REF(tc->call, "cancel"); |
| 819 | } else if (tc->type == TC_CLOSE) { |
| 820 | grpc_closure_init(&tc->closure, send_close, tc); |
| 821 | GRPC_CALL_INTERNAL_REF(tc->call, "close"); |
| 822 | } |
Craig Tiller | 0ca68b7 | 2016-06-09 07:50:50 -0700 | [diff] [blame] | 823 | grpc_exec_ctx_sched(exec_ctx, &tc->closure, GRPC_ERROR_NONE, NULL); |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 824 | return GRPC_CALL_OK; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 825 | } |
| 826 | |
| 827 | static grpc_call_error cancel_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, |
| 828 | grpc_status_code status, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 829 | const char *description) { |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 830 | GPR_ASSERT(status != GRPC_STATUS_OK); |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 831 | termination_closure *tc = gpr_malloc(sizeof(*tc)); |
| 832 | memset(tc, 0, sizeof(termination_closure)); |
| 833 | tc->type = TC_CANCEL; |
| 834 | tc->call = c; |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 835 | tc->error = grpc_error_set_int( |
| 836 | grpc_error_set_str(GRPC_ERROR_CREATE(description), |
| 837 | GRPC_ERROR_STR_GRPC_MESSAGE, description), |
| 838 | GRPC_ERROR_INT_GRPC_STATUS, status); |
Craig Tiller | 5dde66e | 2015-06-02 09:05:23 -0700 | [diff] [blame] | 839 | |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 840 | return terminate_with_status(exec_ctx, tc); |
| 841 | } |
Craig Tiller | 48b9fde | 2015-04-24 08:04:59 -0700 | [diff] [blame] | 842 | |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 843 | static grpc_call_error close_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, |
| 844 | grpc_status_code status, |
| 845 | const char *description) { |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 846 | GPR_ASSERT(status != GRPC_STATUS_OK); |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 847 | termination_closure *tc = gpr_malloc(sizeof(*tc)); |
| 848 | memset(tc, 0, sizeof(termination_closure)); |
| 849 | tc->type = TC_CLOSE; |
| 850 | tc->call = c; |
Craig Tiller | f0f70a8 | 2016-06-23 13:55:06 -0700 | [diff] [blame] | 851 | tc->error = grpc_error_set_int( |
| 852 | grpc_error_set_str(GRPC_ERROR_CREATE(description), |
| 853 | GRPC_ERROR_STR_GRPC_MESSAGE, description), |
| 854 | GRPC_ERROR_INT_GRPC_STATUS, status); |
Craig Tiller | 48b9fde | 2015-04-24 08:04:59 -0700 | [diff] [blame] | 855 | |
David Garcia Quintas | 73dcbda | 2016-04-23 00:17:05 -0700 | [diff] [blame] | 856 | return terminate_with_status(exec_ctx, tc); |
Craig Tiller | d248c24 | 2015-01-14 11:49:12 -0800 | [diff] [blame] | 857 | } |
| 858 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 859 | static void execute_op(grpc_exec_ctx *exec_ctx, grpc_call *call, |
| 860 | grpc_transport_stream_op *op) { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 861 | grpc_call_element *elem; |
Craig Tiller | 5dde66e | 2015-06-02 09:05:23 -0700 | [diff] [blame] | 862 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 863 | GPR_TIMER_BEGIN("execute_op", 0); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 864 | elem = CALL_ELEM_FROM_CALL(call, 0); |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 865 | op->context = call->context; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 866 | elem->filter->start_transport_stream_op(exec_ctx, elem, op); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 867 | GPR_TIMER_END("execute_op", 0); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 868 | } |
| 869 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 870 | char *grpc_call_get_peer(grpc_call *call) { |
| 871 | grpc_call_element *elem = CALL_ELEM_FROM_CALL(call, 0); |
Craig Tiller | f5768a6 | 2015-09-22 10:54:34 -0700 | [diff] [blame] | 872 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
Craig Tiller | 27e5aa4 | 2015-11-24 16:28:54 -0800 | [diff] [blame] | 873 | char *result; |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 874 | GRPC_API_TRACE("grpc_call_get_peer(%p)", 1, (call)); |
Craig Tiller | 27e5aa4 | 2015-11-24 16:28:54 -0800 | [diff] [blame] | 875 | result = elem->filter->get_peer(&exec_ctx, elem); |
| 876 | if (result == NULL) { |
| 877 | result = grpc_channel_get_target(call->channel); |
| 878 | } |
| 879 | if (result == NULL) { |
| 880 | result = gpr_strdup("unknown"); |
| 881 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 882 | grpc_exec_ctx_finish(&exec_ctx); |
Craig Tiller | 3ffd822 | 2015-09-21 08:21:57 -0700 | [diff] [blame] | 883 | return result; |
Craig Tiller | 1b22b9d | 2015-07-20 13:42:22 -0700 | [diff] [blame] | 884 | } |
| 885 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 886 | grpc_call *grpc_call_from_top_element(grpc_call_element *elem) { |
| 887 | return CALL_FROM_TOP_ELEM(elem); |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 888 | } |
| 889 | |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 890 | static void call_alarm(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 891 | grpc_call *call = arg; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 892 | gpr_mu_lock(&call->mu); |
Craig Tiller | 77f0461 | 2015-07-01 13:39:45 -0700 | [diff] [blame] | 893 | call->have_alarm = 0; |
Craig Tiller | 1c51edc | 2016-05-07 16:18:43 -0700 | [diff] [blame] | 894 | if (error != GRPC_ERROR_CANCELLED) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 895 | cancel_with_status(exec_ctx, call, GRPC_STATUS_DEADLINE_EXCEEDED, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 896 | "Deadline Exceeded"); |
| 897 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 898 | gpr_mu_unlock(&call->mu); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 899 | GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "alarm"); |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 900 | } |
| 901 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 902 | static void set_deadline_alarm(grpc_exec_ctx *exec_ctx, grpc_call *call, |
| 903 | gpr_timespec deadline) { |
| 904 | if (call->have_alarm) { |
| 905 | gpr_log(GPR_ERROR, "Attempt to set deadline alarm twice"); |
| 906 | assert(0); |
| 907 | return; |
| 908 | } |
| 909 | GRPC_CALL_INTERNAL_REF(call, "alarm"); |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 910 | call->have_alarm = 1; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 911 | call->send_deadline = gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC); |
David Garcia Quintas | f747bbc | 2015-10-04 23:09:47 -0700 | [diff] [blame] | 912 | grpc_timer_init(exec_ctx, &call->alarm, call->send_deadline, call_alarm, call, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 913 | gpr_now(GPR_CLOCK_MONOTONIC)); |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 914 | } |
| 915 | |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 916 | /* we offset status by a small amount when storing it into transport metadata |
| 917 | as metadata cannot store a 0 value (which is used as OK for grpc_status_codes |
| 918 | */ |
| 919 | #define STATUS_OFFSET 1 |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 920 | static void destroy_status(void *ignored) {} |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 921 | |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 922 | static uint32_t decode_status(grpc_mdelem *md) { |
| 923 | uint32_t status; |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 924 | void *user_data; |
| 925 | if (md == GRPC_MDELEM_GRPC_STATUS_0) return 0; |
| 926 | if (md == GRPC_MDELEM_GRPC_STATUS_1) return 1; |
| 927 | if (md == GRPC_MDELEM_GRPC_STATUS_2) return 2; |
| 928 | user_data = grpc_mdelem_get_user_data(md, destroy_status); |
| 929 | if (user_data != NULL) { |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 930 | status = ((uint32_t)(intptr_t)user_data) - STATUS_OFFSET; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 931 | } else { |
| 932 | if (!gpr_parse_bytes_to_uint32(grpc_mdstr_as_c_string(md->value), |
| 933 | GPR_SLICE_LENGTH(md->value->slice), |
| 934 | &status)) { |
| 935 | status = GRPC_STATUS_UNKNOWN; /* could not parse status code */ |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 936 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 937 | grpc_mdelem_set_user_data(md, destroy_status, |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 938 | (void *)(intptr_t)(status + STATUS_OFFSET)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 939 | } |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 940 | return status; |
| 941 | } |
| 942 | |
David Garcia Quintas | 303d308 | 2016-05-05 18:25:34 -0700 | [diff] [blame] | 943 | static grpc_compression_algorithm decode_compression(grpc_mdelem *md) { |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 944 | grpc_compression_algorithm algorithm = |
| 945 | grpc_compression_algorithm_from_mdstr(md->value); |
| 946 | if (algorithm == GRPC_COMPRESS_ALGORITHMS_COUNT) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 947 | const char *md_c_str = grpc_mdstr_as_c_string(md->value); |
David Garcia Quintas | 303d308 | 2016-05-05 18:25:34 -0700 | [diff] [blame] | 948 | gpr_log(GPR_ERROR, |
| 949 | "Invalid incoming compression algorithm: '%s'. Interpreting " |
| 950 | "incoming data as uncompressed.", |
| 951 | md_c_str); |
| 952 | return GRPC_COMPRESS_NONE; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 953 | } |
David Garcia Quintas | fc0fa33 | 2015-06-25 18:11:07 -0700 | [diff] [blame] | 954 | return algorithm; |
David Garcia Quintas | db94b27 | 2015-06-15 18:37:01 -0700 | [diff] [blame] | 955 | } |
| 956 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 957 | static grpc_mdelem *recv_common_filter(grpc_call *call, grpc_mdelem *elem) { |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 958 | if (elem->key == GRPC_MDSTR_GRPC_STATUS) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 959 | GPR_TIMER_BEGIN("status", 0); |
| 960 | set_status_code(call, STATUS_FROM_WIRE, decode_status(elem)); |
| 961 | GPR_TIMER_END("status", 0); |
| 962 | return NULL; |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 963 | } else if (elem->key == GRPC_MDSTR_GRPC_MESSAGE) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 964 | GPR_TIMER_BEGIN("status-details", 0); |
| 965 | set_status_details(call, STATUS_FROM_WIRE, GRPC_MDSTR_REF(elem->value)); |
| 966 | GPR_TIMER_END("status-details", 0); |
| 967 | return NULL; |
| 968 | } |
| 969 | return elem; |
| 970 | } |
| 971 | |
| 972 | static grpc_mdelem *publish_app_metadata(grpc_call *call, grpc_mdelem *elem, |
| 973 | int is_trailing) { |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 974 | grpc_metadata_array *dest; |
| 975 | grpc_metadata *mdusr; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 976 | GPR_TIMER_BEGIN("publish_app_metadata", 0); |
| 977 | dest = call->buffered_metadata[is_trailing]; |
| 978 | if (dest->count == dest->capacity) { |
| 979 | dest->capacity = GPR_MAX(dest->capacity + 8, dest->capacity * 2); |
| 980 | dest->metadata = |
| 981 | gpr_realloc(dest->metadata, sizeof(grpc_metadata) * dest->capacity); |
| 982 | } |
| 983 | mdusr = &dest->metadata[dest->count++]; |
| 984 | mdusr->key = grpc_mdstr_as_c_string(elem->key); |
| 985 | mdusr->value = grpc_mdstr_as_c_string(elem->value); |
| 986 | mdusr->value_length = GPR_SLICE_LENGTH(elem->value->slice); |
| 987 | GPR_TIMER_END("publish_app_metadata", 0); |
| 988 | return elem; |
| 989 | } |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 990 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 991 | static grpc_mdelem *recv_initial_filter(void *callp, grpc_mdelem *elem) { |
| 992 | grpc_call *call = callp; |
| 993 | elem = recv_common_filter(call, elem); |
| 994 | if (elem == NULL) { |
| 995 | return NULL; |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 996 | } else if (elem->key == GRPC_MDSTR_GRPC_ENCODING) { |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 997 | GPR_TIMER_BEGIN("incoming_compression_algorithm", 0); |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 998 | set_incoming_compression_algorithm(call, decode_compression(elem)); |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 999 | GPR_TIMER_END("incoming_compression_algorithm", 0); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1000 | return NULL; |
Craig Tiller | ebdef9d | 2015-11-19 17:09:49 -0800 | [diff] [blame] | 1001 | } else if (elem->key == GRPC_MDSTR_GRPC_ACCEPT_ENCODING) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1002 | GPR_TIMER_BEGIN("encodings_accepted_by_peer", 0); |
| 1003 | set_encodings_accepted_by_peer(call, elem); |
| 1004 | GPR_TIMER_END("encodings_accepted_by_peer", 0); |
| 1005 | return NULL; |
| 1006 | } else { |
| 1007 | return publish_app_metadata(call, elem, 0); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1008 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1009 | } |
Craig Tiller | 6902ad2 | 2015-04-16 08:01:49 -0700 | [diff] [blame] | 1010 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1011 | static grpc_mdelem *recv_trailing_filter(void *callp, grpc_mdelem *elem) { |
| 1012 | grpc_call *call = callp; |
| 1013 | elem = recv_common_filter(call, elem); |
| 1014 | if (elem == NULL) { |
| 1015 | return NULL; |
| 1016 | } else { |
| 1017 | return publish_app_metadata(call, elem, 1); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1018 | } |
Craig Tiller | 629b0ed | 2015-04-22 11:14:26 -0700 | [diff] [blame] | 1019 | } |
Craig Tiller | 8b282cb | 2015-04-17 14:57:44 -0700 | [diff] [blame] | 1020 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1021 | grpc_call_stack *grpc_call_get_call_stack(grpc_call *call) { |
| 1022 | return CALL_STACK_FROM_CALL(call); |
Craig Tiller | 566316f | 2015-02-02 15:25:32 -0800 | [diff] [blame] | 1023 | } |
| 1024 | |
| 1025 | /* |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1026 | * BATCH API IMPLEMENTATION |
| 1027 | */ |
| 1028 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1029 | static void set_status_value_directly(grpc_status_code status, void *dest) { |
| 1030 | *(grpc_status_code *)dest = status; |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1031 | } |
| 1032 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1033 | static void set_cancelled_value(grpc_status_code status, void *dest) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1034 | *(int *)dest = (status != GRPC_STATUS_OK); |
Craig Tiller | 166e250 | 2015-02-03 20:14:41 -0800 | [diff] [blame] | 1035 | } |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1036 | |
Craig Tiller | c654976 | 2016-03-09 17:10:43 -0800 | [diff] [blame] | 1037 | static bool are_write_flags_valid(uint32_t flags) { |
David Garcia Quintas | 1d5aca5 | 2015-06-14 14:42:04 -0700 | [diff] [blame] | 1038 | /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */ |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1039 | const uint32_t allowed_write_positions = |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1040 | (GRPC_WRITE_USED_MASK | GRPC_WRITE_INTERNAL_USED_MASK); |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1041 | const uint32_t invalid_positions = ~allowed_write_positions; |
David Garcia Quintas | 1d5aca5 | 2015-06-14 14:42:04 -0700 | [diff] [blame] | 1042 | return !(flags & invalid_positions); |
| 1043 | } |
| 1044 | |
Craig Tiller | c654976 | 2016-03-09 17:10:43 -0800 | [diff] [blame] | 1045 | static bool are_initial_metadata_flags_valid(uint32_t flags, bool is_client) { |
| 1046 | /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */ |
| 1047 | uint32_t invalid_positions = ~GRPC_INITIAL_METADATA_USED_MASK; |
| 1048 | if (!is_client) { |
| 1049 | invalid_positions |= GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST; |
| 1050 | } |
| 1051 | return !(flags & invalid_positions); |
| 1052 | } |
| 1053 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1054 | static batch_control *allocate_batch_control(grpc_call *call) { |
| 1055 | size_t i; |
| 1056 | for (i = 0; i < MAX_CONCURRENT_BATCHES; i++) { |
| 1057 | if ((call->used_batches & (1 << i)) == 0) { |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1058 | call->used_batches = (uint8_t)(call->used_batches | (uint8_t)(1 << i)); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1059 | return &call->active_batches[i]; |
| 1060 | } |
| 1061 | } |
yang-g | 4920976 | 2015-12-02 11:28:19 -0800 | [diff] [blame] | 1062 | return NULL; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1063 | } |
| 1064 | |
| 1065 | static void finish_batch_completion(grpc_exec_ctx *exec_ctx, void *user_data, |
| 1066 | grpc_cq_completion *storage) { |
| 1067 | batch_control *bctl = user_data; |
| 1068 | grpc_call *call = bctl->call; |
| 1069 | gpr_mu_lock(&call->mu); |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1070 | call->used_batches = (uint8_t)( |
| 1071 | call->used_batches & ~(uint8_t)(1 << (bctl - call->active_batches))); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1072 | gpr_mu_unlock(&call->mu); |
| 1073 | GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "completion"); |
| 1074 | } |
| 1075 | |
| 1076 | static void post_batch_completion(grpc_exec_ctx *exec_ctx, |
| 1077 | batch_control *bctl) { |
| 1078 | grpc_call *call = bctl->call; |
| 1079 | if (bctl->is_notify_tag_closure) { |
Craig Tiller | b08fa49 | 2016-05-10 14:56:05 -0700 | [diff] [blame] | 1080 | /* unrefs bctl->error */ |
Craig Tiller | 332f1b3 | 2016-05-24 13:21:21 -0700 | [diff] [blame] | 1081 | grpc_exec_ctx_sched(exec_ctx, bctl->notify_tag, bctl->error, NULL); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1082 | gpr_mu_lock(&call->mu); |
| 1083 | bctl->call->used_batches = |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1084 | (uint8_t)(bctl->call->used_batches & |
| 1085 | ~(uint8_t)(1 << (bctl - bctl->call->active_batches))); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1086 | gpr_mu_unlock(&call->mu); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1087 | GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "completion"); |
| 1088 | } else { |
Craig Tiller | b08fa49 | 2016-05-10 14:56:05 -0700 | [diff] [blame] | 1089 | /* unrefs bctl->error */ |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1090 | grpc_cq_end_op(exec_ctx, bctl->call->cq, bctl->notify_tag, bctl->error, |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1091 | finish_batch_completion, bctl, &bctl->cq_completion); |
| 1092 | } |
| 1093 | } |
| 1094 | |
| 1095 | static void continue_receiving_slices(grpc_exec_ctx *exec_ctx, |
| 1096 | batch_control *bctl) { |
| 1097 | grpc_call *call = bctl->call; |
| 1098 | for (;;) { |
| 1099 | size_t remaining = call->receiving_stream->length - |
| 1100 | (*call->receiving_buffer)->data.raw.slice_buffer.length; |
| 1101 | if (remaining == 0) { |
| 1102 | call->receiving_message = 0; |
Craig Tiller | 3b66ab9 | 2015-12-09 19:42:22 -0800 | [diff] [blame] | 1103 | grpc_byte_stream_destroy(exec_ctx, call->receiving_stream); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1104 | call->receiving_stream = NULL; |
| 1105 | if (gpr_unref(&bctl->steps_to_complete)) { |
| 1106 | post_batch_completion(exec_ctx, bctl); |
| 1107 | } |
| 1108 | return; |
| 1109 | } |
| 1110 | if (grpc_byte_stream_next(exec_ctx, call->receiving_stream, |
| 1111 | &call->receiving_slice, remaining, |
| 1112 | &call->receiving_slice_ready)) { |
| 1113 | gpr_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer, |
| 1114 | call->receiving_slice); |
| 1115 | } else { |
| 1116 | return; |
| 1117 | } |
| 1118 | } |
| 1119 | } |
| 1120 | |
| 1121 | static void receiving_slice_ready(grpc_exec_ctx *exec_ctx, void *bctlp, |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1122 | grpc_error *error) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1123 | batch_control *bctl = bctlp; |
| 1124 | grpc_call *call = bctl->call; |
| 1125 | |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1126 | if (error == GRPC_ERROR_NONE) { |
Craig Tiller | 38edec6 | 2015-12-14 15:01:29 -0800 | [diff] [blame] | 1127 | gpr_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer, |
| 1128 | call->receiving_slice); |
| 1129 | continue_receiving_slices(exec_ctx, bctl); |
| 1130 | } else { |
Craig Tiller | a286b04 | 2016-06-13 15:20:39 +0000 | [diff] [blame] | 1131 | if (grpc_trace_operation_failures) { |
| 1132 | GRPC_LOG_IF_ERROR("receiving_slice_ready", GRPC_ERROR_REF(error)); |
| 1133 | } |
Craig Tiller | e1b8c2b | 2015-12-16 19:27:52 -0800 | [diff] [blame] | 1134 | grpc_byte_stream_destroy(exec_ctx, call->receiving_stream); |
Craig Tiller | 38edec6 | 2015-12-14 15:01:29 -0800 | [diff] [blame] | 1135 | call->receiving_stream = NULL; |
| 1136 | grpc_byte_buffer_destroy(*call->receiving_buffer); |
| 1137 | *call->receiving_buffer = NULL; |
| 1138 | if (gpr_unref(&bctl->steps_to_complete)) { |
| 1139 | post_batch_completion(exec_ctx, bctl); |
| 1140 | } |
| 1141 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1142 | } |
| 1143 | |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1144 | static void process_data_after_md(grpc_exec_ctx *exec_ctx, batch_control *bctl, |
| 1145 | bool success) { |
| 1146 | grpc_call *call = bctl->call; |
| 1147 | if (call->receiving_stream == NULL) { |
| 1148 | *call->receiving_buffer = NULL; |
| 1149 | call->receiving_message = 0; |
| 1150 | if (gpr_unref(&bctl->steps_to_complete)) { |
| 1151 | post_batch_completion(exec_ctx, bctl); |
| 1152 | } |
| 1153 | } else if (call->receiving_stream->length > |
| 1154 | grpc_channel_get_max_message_length(call->channel)) { |
| 1155 | cancel_with_status(exec_ctx, call, GRPC_STATUS_INTERNAL, |
| 1156 | "Max message size exceeded"); |
| 1157 | grpc_byte_stream_destroy(exec_ctx, call->receiving_stream); |
| 1158 | call->receiving_stream = NULL; |
| 1159 | *call->receiving_buffer = NULL; |
| 1160 | call->receiving_message = 0; |
| 1161 | if (gpr_unref(&bctl->steps_to_complete)) { |
| 1162 | post_batch_completion(exec_ctx, bctl); |
| 1163 | } |
| 1164 | } else { |
| 1165 | call->test_only_last_message_flags = call->receiving_stream->flags; |
| 1166 | if ((call->receiving_stream->flags & GRPC_WRITE_INTERNAL_COMPRESS) && |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1167 | (call->incoming_compression_algorithm > GRPC_COMPRESS_NONE)) { |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1168 | *call->receiving_buffer = grpc_raw_compressed_byte_buffer_create( |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1169 | NULL, 0, call->incoming_compression_algorithm); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1170 | } else { |
| 1171 | *call->receiving_buffer = grpc_raw_byte_buffer_create(NULL, 0); |
| 1172 | } |
| 1173 | grpc_closure_init(&call->receiving_slice_ready, receiving_slice_ready, |
| 1174 | bctl); |
| 1175 | continue_receiving_slices(exec_ctx, bctl); |
| 1176 | /* early out */ |
| 1177 | return; |
| 1178 | } |
| 1179 | } |
| 1180 | |
| 1181 | static void receiving_stream_ready(grpc_exec_ctx *exec_ctx, void *bctlp, |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1182 | grpc_error *error) { |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1183 | batch_control *bctl = bctlp; |
| 1184 | grpc_call *call = bctl->call; |
| 1185 | |
| 1186 | gpr_mu_lock(&bctl->call->mu); |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1187 | if (bctl->call->has_initial_md_been_received || error != GRPC_ERROR_NONE || |
Craig Tiller | 52cf871 | 2016-04-23 22:54:21 -0700 | [diff] [blame] | 1188 | call->receiving_stream == NULL) { |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1189 | gpr_mu_unlock(&bctl->call->mu); |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1190 | process_data_after_md(exec_ctx, bctlp, error); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1191 | } else { |
Craig Tiller | 8a67780 | 2016-04-22 15:07:53 -0700 | [diff] [blame] | 1192 | call->saved_receiving_stream_ready_bctlp = bctlp; |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1193 | gpr_mu_unlock(&bctl->call->mu); |
| 1194 | } |
| 1195 | } |
| 1196 | |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1197 | static void validate_filtered_metadata(grpc_exec_ctx *exec_ctx, |
| 1198 | batch_control *bctl) { |
| 1199 | grpc_call *call = bctl->call; |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 1200 | /* validate call->incoming_compression_algorithm */ |
| 1201 | if (call->incoming_compression_algorithm != GRPC_COMPRESS_NONE) { |
| 1202 | const grpc_compression_algorithm algo = |
| 1203 | call->incoming_compression_algorithm; |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1204 | char *error_msg = NULL; |
| 1205 | const grpc_compression_options compression_options = |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 1206 | grpc_channel_compression_options(call->channel); |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1207 | /* check if algorithm is known */ |
| 1208 | if (algo >= GRPC_COMPRESS_ALGORITHMS_COUNT) { |
| 1209 | gpr_asprintf(&error_msg, "Invalid compression algorithm value '%d'.", |
| 1210 | algo); |
Yuchen Zeng | 64c0e8d | 2016-06-10 11:19:51 -0700 | [diff] [blame] | 1211 | gpr_log(GPR_ERROR, "%s", error_msg); |
David Garcia Quintas | 824f837 | 2016-05-18 17:52:46 -0700 | [diff] [blame] | 1212 | close_with_status(exec_ctx, call, GRPC_STATUS_UNIMPLEMENTED, error_msg); |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1213 | } else if (grpc_compression_options_is_algorithm_enabled( |
| 1214 | &compression_options, algo) == 0) { |
| 1215 | /* check if algorithm is supported by current channel config */ |
David Garcia Quintas | 1ff168a | 2016-06-30 10:25:04 -0700 | [diff] [blame] | 1216 | char *algo_name = NULL; |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1217 | grpc_compression_algorithm_name(algo, &algo_name); |
| 1218 | gpr_asprintf(&error_msg, "Compression algorithm '%s' is disabled.", |
| 1219 | algo_name); |
Yuchen Zeng | 64c0e8d | 2016-06-10 11:19:51 -0700 | [diff] [blame] | 1220 | gpr_log(GPR_ERROR, "%s", error_msg); |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1221 | close_with_status(exec_ctx, call, GRPC_STATUS_UNIMPLEMENTED, error_msg); |
| 1222 | } else { |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 1223 | call->incoming_compression_algorithm = algo; |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1224 | } |
| 1225 | gpr_free(error_msg); |
| 1226 | } |
David Garcia Quintas | f1945f2 | 2016-05-18 10:53:14 -0700 | [diff] [blame] | 1227 | |
| 1228 | /* make sure the received grpc-encoding is amongst the ones listed in |
| 1229 | * grpc-accept-encoding */ |
| 1230 | GPR_ASSERT(call->encodings_accepted_by_peer != 0); |
| 1231 | if (!GPR_BITGET(call->encodings_accepted_by_peer, |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 1232 | call->incoming_compression_algorithm)) { |
David Garcia Quintas | f1945f2 | 2016-05-18 10:53:14 -0700 | [diff] [blame] | 1233 | extern int grpc_compression_trace; |
| 1234 | if (grpc_compression_trace) { |
David Garcia Quintas | 1ff168a | 2016-06-30 10:25:04 -0700 | [diff] [blame] | 1235 | char *algo_name = NULL; |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 1236 | grpc_compression_algorithm_name(call->incoming_compression_algorithm, |
| 1237 | &algo_name); |
David Garcia Quintas | f1945f2 | 2016-05-18 10:53:14 -0700 | [diff] [blame] | 1238 | gpr_log(GPR_ERROR, |
| 1239 | "Compression algorithm (grpc-encoding = '%s') not present in " |
| 1240 | "the bitset of accepted encodings (grpc-accept-encodings: " |
| 1241 | "'0x%x')", |
| 1242 | algo_name, call->encodings_accepted_by_peer); |
| 1243 | } |
| 1244 | } |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1245 | } |
| 1246 | |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1247 | static void receiving_initial_metadata_ready(grpc_exec_ctx *exec_ctx, |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1248 | void *bctlp, grpc_error *error) { |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1249 | batch_control *bctl = bctlp; |
| 1250 | grpc_call *call = bctl->call; |
| 1251 | |
| 1252 | gpr_mu_lock(&call->mu); |
| 1253 | |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1254 | if (error != GRPC_ERROR_NONE) { |
Craig Tiller | f707d62 | 2016-05-06 14:26:12 -0700 | [diff] [blame] | 1255 | bctl->error = GRPC_ERROR_REF(error); |
Craig Tiller | c48ca71 | 2016-04-04 13:42:04 -0700 | [diff] [blame] | 1256 | } else { |
| 1257 | grpc_metadata_batch *md = |
| 1258 | &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */]; |
| 1259 | grpc_metadata_batch_filter(md, recv_initial_filter, call); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1260 | |
David Garcia Quintas | 3e71f77 | 2016-05-18 10:14:32 -0700 | [diff] [blame] | 1261 | GPR_TIMER_BEGIN("validate_filtered_metadata", 0); |
| 1262 | validate_filtered_metadata(exec_ctx, bctl); |
| 1263 | GPR_TIMER_END("validate_filtered_metadata", 0); |
David Garcia Quintas | 4612337 | 2016-05-09 15:28:42 -0700 | [diff] [blame] | 1264 | |
Craig Tiller | c48ca71 | 2016-04-04 13:42:04 -0700 | [diff] [blame] | 1265 | if (gpr_time_cmp(md->deadline, gpr_inf_future(md->deadline.clock_type)) != |
| 1266 | 0 && |
| 1267 | !call->is_client) { |
| 1268 | GPR_TIMER_BEGIN("set_deadline_alarm", 0); |
| 1269 | set_deadline_alarm(exec_ctx, call, md->deadline); |
| 1270 | GPR_TIMER_END("set_deadline_alarm", 0); |
| 1271 | } |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1272 | } |
| 1273 | |
Craig Tiller | c48ca71 | 2016-04-04 13:42:04 -0700 | [diff] [blame] | 1274 | call->has_initial_md_been_received = true; |
Craig Tiller | 8a67780 | 2016-04-22 15:07:53 -0700 | [diff] [blame] | 1275 | if (call->saved_receiving_stream_ready_bctlp != NULL) { |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1276 | grpc_closure *saved_rsr_closure = grpc_closure_create( |
Craig Tiller | 8a67780 | 2016-04-22 15:07:53 -0700 | [diff] [blame] | 1277 | receiving_stream_ready, call->saved_receiving_stream_ready_bctlp); |
| 1278 | call->saved_receiving_stream_ready_bctlp = NULL; |
Craig Tiller | 332f1b3 | 2016-05-24 13:21:21 -0700 | [diff] [blame] | 1279 | grpc_exec_ctx_sched(exec_ctx, saved_rsr_closure, error, NULL); |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1280 | } |
| 1281 | |
| 1282 | gpr_mu_unlock(&call->mu); |
| 1283 | |
| 1284 | if (gpr_unref(&bctl->steps_to_complete)) { |
| 1285 | post_batch_completion(exec_ctx, bctl); |
| 1286 | } |
| 1287 | } |
| 1288 | |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1289 | static void finish_batch(grpc_exec_ctx *exec_ctx, void *bctlp, |
| 1290 | grpc_error *error) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1291 | batch_control *bctl = bctlp; |
| 1292 | grpc_call *call = bctl->call; |
| 1293 | grpc_call *child_call; |
| 1294 | grpc_call *next_child_call; |
| 1295 | |
Craig Tiller | 9ccf5f1 | 2016-05-07 21:41:01 -0700 | [diff] [blame] | 1296 | GRPC_ERROR_REF(error); |
| 1297 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1298 | gpr_mu_lock(&call->mu); |
| 1299 | if (bctl->send_initial_metadata) { |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1300 | if (error != GRPC_ERROR_NONE) { |
Craig Tiller | 5b1e659 | 2016-03-11 15:05:30 -0800 | [diff] [blame] | 1301 | set_status_code(call, STATUS_FROM_CORE, GRPC_STATUS_UNAVAILABLE); |
| 1302 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1303 | grpc_metadata_batch_destroy( |
| 1304 | &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]); |
| 1305 | } |
| 1306 | if (bctl->send_message) { |
| 1307 | call->sending_message = 0; |
| 1308 | } |
| 1309 | if (bctl->send_final_op) { |
| 1310 | grpc_metadata_batch_destroy( |
| 1311 | &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */]); |
| 1312 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1313 | if (bctl->recv_final_op) { |
| 1314 | grpc_metadata_batch *md = |
| 1315 | &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */]; |
| 1316 | grpc_metadata_batch_filter(md, recv_trailing_filter, call); |
| 1317 | |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 1318 | call->received_final_op = true; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1319 | if (call->have_alarm) { |
| 1320 | grpc_timer_cancel(exec_ctx, &call->alarm); |
| 1321 | } |
| 1322 | /* propagate cancellation to any interested children */ |
| 1323 | child_call = call->first_child; |
| 1324 | if (child_call != NULL) { |
| 1325 | do { |
| 1326 | next_child_call = child_call->sibling_next; |
| 1327 | if (child_call->cancellation_is_inherited) { |
| 1328 | GRPC_CALL_INTERNAL_REF(child_call, "propagate_cancel"); |
| 1329 | grpc_call_cancel(child_call, NULL); |
| 1330 | GRPC_CALL_INTERNAL_UNREF(exec_ctx, child_call, "propagate_cancel"); |
| 1331 | } |
| 1332 | child_call = next_child_call; |
| 1333 | } while (child_call != call->first_child); |
| 1334 | } |
| 1335 | |
| 1336 | if (call->is_client) { |
| 1337 | get_final_status(call, set_status_value_directly, |
| 1338 | call->final_op.client.status); |
| 1339 | get_final_details(call, call->final_op.client.status_details, |
| 1340 | call->final_op.client.status_details_capacity); |
| 1341 | } else { |
| 1342 | get_final_status(call, set_cancelled_value, |
| 1343 | call->final_op.server.cancelled); |
| 1344 | } |
| 1345 | |
Craig Tiller | f707d62 | 2016-05-06 14:26:12 -0700 | [diff] [blame] | 1346 | GRPC_ERROR_UNREF(error); |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1347 | error = GRPC_ERROR_NONE; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1348 | } |
Craig Tiller | 10dd6f2 | 2016-05-10 13:06:15 -0700 | [diff] [blame] | 1349 | GRPC_ERROR_UNREF(bctl->error); |
Craig Tiller | b08fa49 | 2016-05-10 14:56:05 -0700 | [diff] [blame] | 1350 | bctl->error = GRPC_ERROR_REF(error); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1351 | gpr_mu_unlock(&call->mu); |
| 1352 | if (gpr_unref(&bctl->steps_to_complete)) { |
| 1353 | post_batch_completion(exec_ctx, bctl); |
| 1354 | } |
Craig Tiller | 10dd6f2 | 2016-05-10 13:06:15 -0700 | [diff] [blame] | 1355 | |
| 1356 | GRPC_ERROR_UNREF(error); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1357 | } |
| 1358 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1359 | static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, |
| 1360 | grpc_call *call, const grpc_op *ops, |
| 1361 | size_t nops, void *notify_tag, |
| 1362 | int is_notify_tag_closure) { |
| 1363 | grpc_transport_stream_op stream_op; |
| 1364 | size_t i; |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1365 | const grpc_op *op; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1366 | batch_control *bctl; |
| 1367 | int num_completion_callbacks_needed = 1; |
| 1368 | grpc_call_error error = GRPC_CALL_OK; |
Craig Tiller | 9928d39 | 2015-08-18 09:40:24 -0700 | [diff] [blame] | 1369 | |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 1370 | GPR_TIMER_BEGIN("grpc_call_start_batch", 0); |
Craig Tiller | 86253ca | 2015-10-08 13:31:02 -0700 | [diff] [blame] | 1371 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1372 | GRPC_CALL_LOG_BATCH(GPR_INFO, call, ops, nops, notify_tag); |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 1373 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1374 | memset(&stream_op, 0, sizeof(stream_op)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1375 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1376 | /* TODO(ctiller): this feels like it could be made lock-free */ |
| 1377 | gpr_mu_lock(&call->mu); |
| 1378 | bctl = allocate_batch_control(call); |
| 1379 | memset(bctl, 0, sizeof(*bctl)); |
| 1380 | bctl->call = call; |
| 1381 | bctl->notify_tag = notify_tag; |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1382 | bctl->is_notify_tag_closure = (uint8_t)(is_notify_tag_closure != 0); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1383 | |
| 1384 | if (nops == 0) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1385 | GRPC_CALL_INTERNAL_REF(call, "completion"); |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 1386 | bctl->error = GRPC_ERROR_NONE; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1387 | if (!is_notify_tag_closure) { |
Craig Tiller | 4bf2928 | 2015-12-14 11:25:48 -0800 | [diff] [blame] | 1388 | grpc_cq_begin_op(call->cq, notify_tag); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1389 | } |
| 1390 | gpr_mu_unlock(&call->mu); |
| 1391 | post_batch_completion(exec_ctx, bctl); |
Craig Tiller | ea50b90 | 2015-12-15 07:05:25 -0800 | [diff] [blame] | 1392 | error = GRPC_CALL_OK; |
| 1393 | goto done; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1394 | } |
| 1395 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1396 | /* rewrite batch ops into a transport op */ |
| 1397 | for (i = 0; i < nops; i++) { |
| 1398 | op = &ops[i]; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1399 | if (op->reserved != NULL) { |
Craig Tiller | 3ffd822 | 2015-09-21 08:21:57 -0700 | [diff] [blame] | 1400 | error = GRPC_CALL_ERROR; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1401 | goto done_with_error; |
Craig Tiller | 3ffd822 | 2015-09-21 08:21:57 -0700 | [diff] [blame] | 1402 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1403 | switch (op->op) { |
| 1404 | case GRPC_OP_SEND_INITIAL_METADATA: |
| 1405 | /* Flag validation: currently allow no flags */ |
Craig Tiller | c654976 | 2016-03-09 17:10:43 -0800 | [diff] [blame] | 1406 | if (!are_initial_metadata_flags_valid(op->flags, call->is_client)) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1407 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1408 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1409 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1410 | if (call->sent_initial_metadata) { |
| 1411 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1412 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1413 | } |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1414 | /* process compression level */ |
| 1415 | grpc_metadata compression_md; |
| 1416 | memset(&compression_md, 0, sizeof(grpc_metadata)); |
| 1417 | size_t additional_metadata_count = 0; |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1418 | grpc_compression_level effective_compression_level; |
| 1419 | bool level_set = false; |
| 1420 | if (op->data.send_initial_metadata.maybe_compression_level.is_set) { |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1421 | effective_compression_level = |
David Garcia Quintas | 8ba42be | 2016-06-07 17:30:20 -0700 | [diff] [blame] | 1422 | op->data.send_initial_metadata.maybe_compression_level.level; |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1423 | level_set = true; |
| 1424 | } else { |
David Garcia Quintas | ac09447 | 2016-05-18 20:25:57 -0700 | [diff] [blame] | 1425 | const grpc_compression_options copts = |
| 1426 | grpc_channel_compression_options(call->channel); |
| 1427 | level_set = copts.default_level.is_set; |
| 1428 | if (level_set) { |
| 1429 | effective_compression_level = copts.default_level.level; |
| 1430 | } |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1431 | } |
David Garcia Quintas | 3e4f49f | 2016-05-18 23:59:02 -0700 | [diff] [blame] | 1432 | if (level_set && !call->is_client) { |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1433 | const grpc_compression_algorithm calgo = |
| 1434 | compression_algorithm_for_level_locked( |
David Garcia Quintas | 749367f | 2016-05-17 19:15:24 -0700 | [diff] [blame] | 1435 | call, effective_compression_level); |
David Garcia Quintas | 1ff168a | 2016-06-30 10:25:04 -0700 | [diff] [blame] | 1436 | char *calgo_name = NULL; |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1437 | grpc_compression_algorithm_name(calgo, &calgo_name); |
David Garcia Quintas | 3e4f49f | 2016-05-18 23:59:02 -0700 | [diff] [blame] | 1438 | // the following will be picked up by the compress filter and used as |
| 1439 | // the call's compression algorithm. |
David Garcia Quintas | f54171c | 2016-05-17 17:19:33 -0700 | [diff] [blame] | 1440 | compression_md.key = GRPC_COMPRESSION_REQUEST_ALGORITHM_MD_KEY; |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1441 | compression_md.value = calgo_name; |
| 1442 | compression_md.value_length = strlen(calgo_name); |
| 1443 | additional_metadata_count++; |
| 1444 | } |
| 1445 | |
| 1446 | if (op->data.send_initial_metadata.count + additional_metadata_count > |
| 1447 | INT_MAX) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1448 | error = GRPC_CALL_ERROR_INVALID_METADATA; |
| 1449 | goto done_with_error; |
| 1450 | } |
| 1451 | bctl->send_initial_metadata = 1; |
| 1452 | call->sent_initial_metadata = 1; |
| 1453 | if (!prepare_application_metadata( |
| 1454 | call, (int)op->data.send_initial_metadata.count, |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1455 | op->data.send_initial_metadata.metadata, 0, call->is_client, |
| 1456 | &compression_md, (int)additional_metadata_count)) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1457 | error = GRPC_CALL_ERROR_INVALID_METADATA; |
| 1458 | goto done_with_error; |
| 1459 | } |
| 1460 | /* TODO(ctiller): just make these the same variable? */ |
| 1461 | call->metadata_batch[0][0].deadline = call->send_deadline; |
| 1462 | stream_op.send_initial_metadata = |
| 1463 | &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]; |
Craig Tiller | 8c0d96f | 2016-03-11 14:27:52 -0800 | [diff] [blame] | 1464 | stream_op.send_initial_metadata_flags = op->flags; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1465 | break; |
| 1466 | case GRPC_OP_SEND_MESSAGE: |
| 1467 | if (!are_write_flags_valid(op->flags)) { |
| 1468 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1469 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1470 | } |
| 1471 | if (op->data.send_message == NULL) { |
| 1472 | error = GRPC_CALL_ERROR_INVALID_MESSAGE; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1473 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1474 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1475 | if (call->sending_message) { |
| 1476 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1477 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1478 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1479 | bctl->send_message = 1; |
| 1480 | call->sending_message = 1; |
| 1481 | grpc_slice_buffer_stream_init( |
| 1482 | &call->sending_stream, |
| 1483 | &op->data.send_message->data.raw.slice_buffer, op->flags); |
| 1484 | stream_op.send_message = &call->sending_stream.base; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1485 | break; |
| 1486 | case GRPC_OP_SEND_CLOSE_FROM_CLIENT: |
| 1487 | /* Flag validation: currently allow no flags */ |
| 1488 | if (op->flags != 0) { |
| 1489 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1490 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1491 | } |
| 1492 | if (!call->is_client) { |
| 1493 | error = GRPC_CALL_ERROR_NOT_ON_SERVER; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1494 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1495 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1496 | if (call->sent_final_op) { |
| 1497 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1498 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1499 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1500 | bctl->send_final_op = 1; |
| 1501 | call->sent_final_op = 1; |
| 1502 | stream_op.send_trailing_metadata = |
| 1503 | &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */]; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1504 | break; |
| 1505 | case GRPC_OP_SEND_STATUS_FROM_SERVER: |
| 1506 | /* Flag validation: currently allow no flags */ |
| 1507 | if (op->flags != 0) { |
| 1508 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1509 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1510 | } |
| 1511 | if (call->is_client) { |
| 1512 | error = GRPC_CALL_ERROR_NOT_ON_CLIENT; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1513 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1514 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1515 | if (call->sent_final_op) { |
| 1516 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1517 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1518 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1519 | if (op->data.send_status_from_server.trailing_metadata_count > |
| 1520 | INT_MAX) { |
| 1521 | error = GRPC_CALL_ERROR_INVALID_METADATA; |
| 1522 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1523 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1524 | bctl->send_final_op = 1; |
| 1525 | call->sent_final_op = 1; |
| 1526 | call->send_extra_metadata_count = 1; |
| 1527 | call->send_extra_metadata[0].md = grpc_channel_get_reffed_status_elem( |
| 1528 | call->channel, op->data.send_status_from_server.status); |
| 1529 | if (op->data.send_status_from_server.status_details != NULL) { |
| 1530 | call->send_extra_metadata[1].md = grpc_mdelem_from_metadata_strings( |
Craig Tiller | b2b4261 | 2015-11-20 12:02:17 -0800 | [diff] [blame] | 1531 | GRPC_MDSTR_GRPC_MESSAGE, |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1532 | grpc_mdstr_from_string( |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1533 | op->data.send_status_from_server.status_details)); |
| 1534 | call->send_extra_metadata_count++; |
| 1535 | set_status_details( |
| 1536 | call, STATUS_FROM_API_OVERRIDE, |
| 1537 | GRPC_MDSTR_REF(call->send_extra_metadata[1].md->value)); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1538 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1539 | set_status_code(call, STATUS_FROM_API_OVERRIDE, |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1540 | (uint32_t)op->data.send_status_from_server.status); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1541 | if (!prepare_application_metadata( |
| 1542 | call, |
| 1543 | (int)op->data.send_status_from_server.trailing_metadata_count, |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1544 | op->data.send_status_from_server.trailing_metadata, 1, 1, NULL, |
| 1545 | 0)) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1546 | error = GRPC_CALL_ERROR_INVALID_METADATA; |
| 1547 | goto done_with_error; |
| 1548 | } |
| 1549 | stream_op.send_trailing_metadata = |
| 1550 | &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */]; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1551 | break; |
| 1552 | case GRPC_OP_RECV_INITIAL_METADATA: |
| 1553 | /* Flag validation: currently allow no flags */ |
| 1554 | if (op->flags != 0) { |
| 1555 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1556 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1557 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1558 | if (call->received_initial_metadata) { |
| 1559 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1560 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1561 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1562 | call->received_initial_metadata = 1; |
| 1563 | call->buffered_metadata[0] = op->data.recv_initial_metadata; |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1564 | grpc_closure_init(&call->receiving_initial_metadata_ready, |
| 1565 | receiving_initial_metadata_ready, bctl); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1566 | bctl->recv_initial_metadata = 1; |
| 1567 | stream_op.recv_initial_metadata = |
| 1568 | &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */]; |
Craig Tiller | a44cbfc | 2016-02-03 16:02:49 -0800 | [diff] [blame] | 1569 | stream_op.recv_initial_metadata_ready = |
| 1570 | &call->receiving_initial_metadata_ready; |
| 1571 | num_completion_callbacks_needed++; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1572 | break; |
| 1573 | case GRPC_OP_RECV_MESSAGE: |
| 1574 | /* Flag validation: currently allow no flags */ |
| 1575 | if (op->flags != 0) { |
| 1576 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1577 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1578 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1579 | if (call->receiving_message) { |
| 1580 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
yang-g | 48f3a71 | 2015-12-07 11:23:50 -0800 | [diff] [blame] | 1581 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1582 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1583 | call->receiving_message = 1; |
| 1584 | bctl->recv_message = 1; |
| 1585 | call->receiving_buffer = op->data.recv_message; |
| 1586 | stream_op.recv_message = &call->receiving_stream; |
| 1587 | grpc_closure_init(&call->receiving_stream_ready, receiving_stream_ready, |
| 1588 | bctl); |
| 1589 | stream_op.recv_message_ready = &call->receiving_stream_ready; |
| 1590 | num_completion_callbacks_needed++; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1591 | break; |
| 1592 | case GRPC_OP_RECV_STATUS_ON_CLIENT: |
| 1593 | /* Flag validation: currently allow no flags */ |
| 1594 | if (op->flags != 0) { |
| 1595 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1596 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1597 | } |
| 1598 | if (!call->is_client) { |
| 1599 | error = GRPC_CALL_ERROR_NOT_ON_SERVER; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1600 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1601 | } |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 1602 | if (call->requested_final_op) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1603 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1604 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1605 | } |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 1606 | call->requested_final_op = 1; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1607 | call->buffered_metadata[1] = |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1608 | op->data.recv_status_on_client.trailing_metadata; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1609 | call->final_op.client.status = op->data.recv_status_on_client.status; |
| 1610 | call->final_op.client.status_details = |
| 1611 | op->data.recv_status_on_client.status_details; |
| 1612 | call->final_op.client.status_details_capacity = |
| 1613 | op->data.recv_status_on_client.status_details_capacity; |
| 1614 | bctl->recv_final_op = 1; |
| 1615 | stream_op.recv_trailing_metadata = |
| 1616 | &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */]; |
David Garcia Quintas | 5dde14c | 2016-07-28 17:29:27 -0700 | [diff] [blame] | 1617 | stream_op.collect_stats = |
| 1618 | &call->final_info.stats.transport_stream_stats; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1619 | break; |
| 1620 | case GRPC_OP_RECV_CLOSE_ON_SERVER: |
| 1621 | /* Flag validation: currently allow no flags */ |
| 1622 | if (op->flags != 0) { |
| 1623 | error = GRPC_CALL_ERROR_INVALID_FLAGS; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1624 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1625 | } |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1626 | if (call->is_client) { |
| 1627 | error = GRPC_CALL_ERROR_NOT_ON_CLIENT; |
| 1628 | goto done_with_error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1629 | } |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 1630 | if (call->requested_final_op) { |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1631 | error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; |
| 1632 | goto done_with_error; |
| 1633 | } |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 1634 | call->requested_final_op = 1; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1635 | call->final_op.server.cancelled = |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1636 | op->data.recv_close_on_server.cancelled; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1637 | bctl->recv_final_op = 1; |
| 1638 | stream_op.recv_trailing_metadata = |
| 1639 | &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */]; |
David Garcia Quintas | 5dde14c | 2016-07-28 17:29:27 -0700 | [diff] [blame] | 1640 | stream_op.collect_stats = |
| 1641 | &call->final_info.stats.transport_stream_stats; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1642 | break; |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1643 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1644 | } |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1645 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1646 | GRPC_CALL_INTERNAL_REF(call, "completion"); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1647 | if (!is_notify_tag_closure) { |
Craig Tiller | 4bf2928 | 2015-12-14 11:25:48 -0800 | [diff] [blame] | 1648 | grpc_cq_begin_op(call->cq, notify_tag); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1649 | } |
| 1650 | gpr_ref_init(&bctl->steps_to_complete, num_completion_callbacks_needed); |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1651 | |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1652 | stream_op.context = call->context; |
| 1653 | grpc_closure_init(&bctl->finish_batch, finish_batch, bctl); |
| 1654 | stream_op.on_complete = &bctl->finish_batch; |
| 1655 | gpr_mu_unlock(&call->mu); |
| 1656 | |
| 1657 | execute_op(exec_ctx, call, &stream_op); |
| 1658 | |
Craig Tiller | 3ffd822 | 2015-09-21 08:21:57 -0700 | [diff] [blame] | 1659 | done: |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 1660 | GPR_TIMER_END("grpc_call_start_batch", 0); |
Craig Tiller | 3ffd822 | 2015-09-21 08:21:57 -0700 | [diff] [blame] | 1661 | return error; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1662 | |
| 1663 | done_with_error: |
| 1664 | /* reverse any mutations that occured */ |
| 1665 | if (bctl->send_initial_metadata) { |
| 1666 | call->sent_initial_metadata = 0; |
| 1667 | grpc_metadata_batch_clear(&call->metadata_batch[0][0]); |
| 1668 | } |
| 1669 | if (bctl->send_message) { |
| 1670 | call->sending_message = 0; |
Craig Tiller | 3b66ab9 | 2015-12-09 19:42:22 -0800 | [diff] [blame] | 1671 | grpc_byte_stream_destroy(exec_ctx, &call->sending_stream.base); |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1672 | } |
| 1673 | if (bctl->send_final_op) { |
| 1674 | call->sent_final_op = 0; |
| 1675 | grpc_metadata_batch_clear(&call->metadata_batch[0][1]); |
| 1676 | } |
| 1677 | if (bctl->recv_initial_metadata) { |
| 1678 | call->received_initial_metadata = 0; |
| 1679 | } |
| 1680 | if (bctl->recv_message) { |
| 1681 | call->receiving_message = 0; |
| 1682 | } |
| 1683 | if (bctl->recv_final_op) { |
Craig Tiller | 1cbf576 | 2016-04-22 16:02:55 -0700 | [diff] [blame] | 1684 | call->requested_final_op = 0; |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1685 | } |
| 1686 | gpr_mu_unlock(&call->mu); |
| 1687 | goto done; |
| 1688 | } |
| 1689 | |
| 1690 | grpc_call_error grpc_call_start_batch(grpc_call *call, const grpc_op *ops, |
| 1691 | size_t nops, void *tag, void *reserved) { |
| 1692 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| 1693 | grpc_call_error err; |
| 1694 | |
| 1695 | GRPC_API_TRACE( |
David Garcia Quintas | 4612337 | 2016-05-09 15:28:42 -0700 | [diff] [blame] | 1696 | "grpc_call_start_batch(call=%p, ops=%p, nops=%lu, tag=%p, " |
| 1697 | "reserved=%p)", |
Craig Tiller | c7e1a2a | 2015-11-02 14:17:32 -0800 | [diff] [blame] | 1698 | 5, (call, ops, (unsigned long)nops, tag, reserved)); |
| 1699 | |
| 1700 | if (reserved != NULL) { |
| 1701 | err = GRPC_CALL_ERROR; |
| 1702 | } else { |
| 1703 | err = call_start_batch(&exec_ctx, call, ops, nops, tag, 0); |
| 1704 | } |
| 1705 | |
| 1706 | grpc_exec_ctx_finish(&exec_ctx); |
| 1707 | return err; |
| 1708 | } |
| 1709 | |
| 1710 | grpc_call_error grpc_call_start_batch_and_execute(grpc_exec_ctx *exec_ctx, |
| 1711 | grpc_call *call, |
| 1712 | const grpc_op *ops, |
| 1713 | size_t nops, |
| 1714 | grpc_closure *closure) { |
| 1715 | return call_start_batch(exec_ctx, call, ops, nops, closure, 1); |
Craig Tiller | fb189f8 | 2015-02-03 12:07:07 -0800 | [diff] [blame] | 1716 | } |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 1717 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1718 | void grpc_call_context_set(grpc_call *call, grpc_context_index elem, |
| 1719 | void *value, void (*destroy)(void *value)) { |
| 1720 | if (call->context[elem].destroy) { |
| 1721 | call->context[elem].destroy(call->context[elem].value); |
| 1722 | } |
Julien Boeuf | 83b0297 | 2015-05-20 22:50:34 -0700 | [diff] [blame] | 1723 | call->context[elem].value = value; |
| 1724 | call->context[elem].destroy = destroy; |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 1725 | } |
| 1726 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 1727 | void *grpc_call_context_get(grpc_call *call, grpc_context_index elem) { |
Julien Boeuf | 83b0297 | 2015-05-20 22:50:34 -0700 | [diff] [blame] | 1728 | return call->context[elem].value; |
Craig Tiller | 935cf42 | 2015-05-01 14:10:46 -0700 | [diff] [blame] | 1729 | } |
Julien Boeuf | 9f218dd | 2015-04-23 10:24:02 -0700 | [diff] [blame] | 1730 | |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 1731 | 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] | 1732 | |
| 1733 | grpc_compression_algorithm grpc_call_compression_for_level( |
| 1734 | grpc_call *call, grpc_compression_level level) { |
David Garcia Quintas | 7d2c733 | 2016-03-18 11:37:14 -0700 | [diff] [blame] | 1735 | gpr_mu_lock(&call->mu); |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1736 | grpc_compression_algorithm algo = |
| 1737 | compression_algorithm_for_level_locked(call, level); |
David Garcia Quintas | 7d2c733 | 2016-03-18 11:37:14 -0700 | [diff] [blame] | 1738 | gpr_mu_unlock(&call->mu); |
David Garcia Quintas | a301eaa | 2016-05-06 16:59:03 -0700 | [diff] [blame] | 1739 | return algo; |
David Garcia Quintas | 13c2f6e | 2016-03-17 22:51:52 -0700 | [diff] [blame] | 1740 | } |
Yuchen Zeng | 2e7d957 | 2016-04-15 17:29:57 -0700 | [diff] [blame] | 1741 | |
| 1742 | const char *grpc_call_error_to_string(grpc_call_error error) { |
| 1743 | switch (error) { |
| 1744 | case GRPC_CALL_ERROR: |
| 1745 | return "GRPC_CALL_ERROR"; |
| 1746 | case GRPC_CALL_ERROR_ALREADY_ACCEPTED: |
| 1747 | return "GRPC_CALL_ERROR_ALREADY_ACCEPTED"; |
| 1748 | case GRPC_CALL_ERROR_ALREADY_FINISHED: |
| 1749 | return "GRPC_CALL_ERROR_ALREADY_FINISHED"; |
| 1750 | case GRPC_CALL_ERROR_ALREADY_INVOKED: |
| 1751 | return "GRPC_CALL_ERROR_ALREADY_INVOKED"; |
| 1752 | case GRPC_CALL_ERROR_BATCH_TOO_BIG: |
| 1753 | return "GRPC_CALL_ERROR_BATCH_TOO_BIG"; |
| 1754 | case GRPC_CALL_ERROR_INVALID_FLAGS: |
| 1755 | return "GRPC_CALL_ERROR_INVALID_FLAGS"; |
| 1756 | case GRPC_CALL_ERROR_INVALID_MESSAGE: |
| 1757 | return "GRPC_CALL_ERROR_INVALID_MESSAGE"; |
| 1758 | case GRPC_CALL_ERROR_INVALID_METADATA: |
| 1759 | return "GRPC_CALL_ERROR_INVALID_METADATA"; |
| 1760 | case GRPC_CALL_ERROR_NOT_INVOKED: |
| 1761 | return "GRPC_CALL_ERROR_NOT_INVOKED"; |
| 1762 | case GRPC_CALL_ERROR_NOT_ON_CLIENT: |
| 1763 | return "GRPC_CALL_ERROR_NOT_ON_CLIENT"; |
| 1764 | case GRPC_CALL_ERROR_NOT_ON_SERVER: |
| 1765 | return "GRPC_CALL_ERROR_NOT_ON_SERVER"; |
| 1766 | case GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE: |
| 1767 | return "GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE"; |
| 1768 | case GRPC_CALL_ERROR_PAYLOAD_TYPE_MISMATCH: |
| 1769 | return "GRPC_CALL_ERROR_PAYLOAD_TYPE_MISMATCH"; |
| 1770 | case GRPC_CALL_ERROR_TOO_MANY_OPERATIONS: |
| 1771 | return "GRPC_CALL_ERROR_TOO_MANY_OPERATIONS"; |
| 1772 | case GRPC_CALL_OK: |
| 1773 | return "GRPC_CALL_OK"; |
Yuchen Zeng | 2e7d957 | 2016-04-15 17:29:57 -0700 | [diff] [blame] | 1774 | } |
Yuchen Zeng | f02bada | 2016-04-19 14:12:27 -0700 | [diff] [blame] | 1775 | GPR_UNREACHABLE_CODE(return "GRPC_CALL_ERROR_UNKNOW"); |
Yuchen Zeng | 2e7d957 | 2016-04-15 17:29:57 -0700 | [diff] [blame] | 1776 | } |