Craig Tiller | 20afa3d | 2016-10-17 14:52:14 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2016, Google Inc. |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #include "test/core/end2end/end2end_tests.h" |
| 35 | |
| 36 | #include <stdio.h> |
| 37 | #include <string.h> |
| 38 | |
| 39 | #include <grpc/byte_buffer.h> |
| 40 | #include <grpc/support/alloc.h> |
| 41 | #include <grpc/support/log.h> |
| 42 | #include <grpc/support/time.h> |
| 43 | #include <grpc/support/useful.h> |
| 44 | #include "test/core/end2end/cq_verifier.h" |
| 45 | |
| 46 | static void *tag(intptr_t t) { return (void *)t; } |
| 47 | |
| 48 | static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config, |
| 49 | const char *test_name, |
| 50 | grpc_channel_args *client_args, |
| 51 | grpc_channel_args *server_args) { |
| 52 | grpc_end2end_test_fixture f; |
| 53 | gpr_log(GPR_INFO, "%s/%s", test_name, config.name); |
| 54 | f = config.create_fixture(client_args, server_args); |
| 55 | config.init_server(&f, server_args); |
Craig Tiller | 91d0093 | 2016-10-19 15:26:13 -0700 | [diff] [blame] | 56 | config.init_client(&f, client_args, NULL); |
Craig Tiller | 20afa3d | 2016-10-17 14:52:14 -0700 | [diff] [blame] | 57 | return f; |
| 58 | } |
| 59 | |
| 60 | static gpr_timespec n_seconds_time(int n) { |
| 61 | return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n); |
| 62 | } |
| 63 | |
| 64 | static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); } |
| 65 | |
| 66 | static void drain_cq(grpc_completion_queue *cq) { |
| 67 | grpc_event ev; |
| 68 | do { |
| 69 | ev = grpc_completion_queue_next(cq, five_seconds_time(), NULL); |
| 70 | } while (ev.type != GRPC_QUEUE_SHUTDOWN); |
| 71 | } |
| 72 | |
| 73 | static void shutdown_server(grpc_end2end_test_fixture *f) { |
| 74 | if (!f->server) return; |
| 75 | grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000)); |
| 76 | GPR_ASSERT(grpc_completion_queue_pluck( |
| 77 | f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL) |
| 78 | .type == GRPC_OP_COMPLETE); |
| 79 | grpc_server_destroy(f->server); |
| 80 | f->server = NULL; |
| 81 | } |
| 82 | |
| 83 | static void shutdown_client(grpc_end2end_test_fixture *f) { |
| 84 | if (!f->client) return; |
| 85 | grpc_channel_destroy(f->client); |
| 86 | f->client = NULL; |
| 87 | } |
| 88 | |
| 89 | static void end_test(grpc_end2end_test_fixture *f) { |
| 90 | shutdown_server(f); |
| 91 | shutdown_client(f); |
| 92 | |
| 93 | grpc_completion_queue_shutdown(f->cq); |
| 94 | drain_cq(f->cq); |
| 95 | grpc_completion_queue_destroy(f->cq); |
| 96 | } |
| 97 | |
| 98 | /* Creates and returns a gpr_slice containing random alphanumeric characters. */ |
| 99 | static gpr_slice generate_random_slice() { |
| 100 | size_t i; |
| 101 | static const char chars[] = "abcdefghijklmnopqrstuvwxyz1234567890"; |
| 102 | char output[1024 * 1024]; |
| 103 | for (i = 0; i < GPR_ARRAY_SIZE(output) - 1; ++i) { |
| 104 | output[i] = chars[rand() % (int)(sizeof(chars) - 1)]; |
| 105 | } |
| 106 | output[GPR_ARRAY_SIZE(output) - 1] = '\0'; |
| 107 | return gpr_slice_from_copied_string(output); |
| 108 | } |
| 109 | |
| 110 | void resource_quota_server(grpc_end2end_test_config config) { |
Craig Tiller | afcc875 | 2016-10-18 16:10:06 -0700 | [diff] [blame] | 111 | grpc_resource_quota *resource_quota = |
| 112 | grpc_resource_quota_create("test_server"); |
Craig Tiller | 20afa3d | 2016-10-17 14:52:14 -0700 | [diff] [blame] | 113 | grpc_resource_quota_resize(resource_quota, 5 * 1024 * 1024); |
| 114 | |
| 115 | #define NUM_CALLS 100 |
| 116 | #define CLIENT_BASE_TAG 1000 |
| 117 | #define SERVER_START_BASE_TAG 2000 |
| 118 | #define SERVER_RECV_BASE_TAG 3000 |
| 119 | #define SERVER_END_BASE_TAG 4000 |
| 120 | |
| 121 | grpc_arg arg; |
Craig Tiller | 153eaa7 | 2016-10-21 13:52:36 -0700 | [diff] [blame] | 122 | arg.key = GRPC_ARG_RESOURCE_QUOTA; |
Craig Tiller | 20afa3d | 2016-10-17 14:52:14 -0700 | [diff] [blame] | 123 | arg.type = GRPC_ARG_POINTER; |
| 124 | arg.value.pointer.p = resource_quota; |
| 125 | arg.value.pointer.vtable = grpc_resource_quota_arg_vtable(); |
| 126 | grpc_channel_args args = {1, &arg}; |
| 127 | |
| 128 | grpc_end2end_test_fixture f = |
| 129 | begin_test(config, "resource_quota_server", NULL, &args); |
| 130 | |
| 131 | /* Create large request and response bodies. These are big enough to require |
| 132 | * multiple round trips to deliver to the peer, and their exact contents of |
| 133 | * will be verified on completion. */ |
| 134 | gpr_slice request_payload_slice = generate_random_slice(); |
| 135 | |
| 136 | grpc_call *client_calls[NUM_CALLS]; |
| 137 | grpc_call *server_calls[NUM_CALLS]; |
| 138 | grpc_metadata_array initial_metadata_recv[NUM_CALLS]; |
| 139 | grpc_metadata_array trailing_metadata_recv[NUM_CALLS]; |
| 140 | grpc_metadata_array request_metadata_recv[NUM_CALLS]; |
| 141 | grpc_call_details call_details[NUM_CALLS]; |
| 142 | grpc_status_code status[NUM_CALLS]; |
| 143 | char *details[NUM_CALLS]; |
| 144 | size_t details_capacity[NUM_CALLS]; |
| 145 | grpc_byte_buffer *request_payload_recv[NUM_CALLS]; |
| 146 | int was_cancelled[NUM_CALLS]; |
| 147 | grpc_call_error error; |
| 148 | int pending_client_calls = 0; |
| 149 | int pending_server_start_calls = 0; |
| 150 | int pending_server_recv_calls = 0; |
| 151 | int pending_server_end_calls = 0; |
| 152 | int cancelled_calls_on_client = 0; |
| 153 | int cancelled_calls_on_server = 0; |
| 154 | |
| 155 | grpc_byte_buffer *request_payload = |
| 156 | grpc_raw_byte_buffer_create(&request_payload_slice, 1); |
| 157 | |
| 158 | grpc_op ops[6]; |
| 159 | grpc_op *op; |
| 160 | |
| 161 | for (int i = 0; i < NUM_CALLS; i++) { |
| 162 | grpc_metadata_array_init(&initial_metadata_recv[i]); |
| 163 | grpc_metadata_array_init(&trailing_metadata_recv[i]); |
| 164 | grpc_metadata_array_init(&request_metadata_recv[i]); |
| 165 | grpc_call_details_init(&call_details[i]); |
| 166 | details[i] = NULL; |
| 167 | details_capacity[i] = 0; |
| 168 | request_payload_recv[i] = NULL; |
| 169 | was_cancelled[i] = 0; |
| 170 | } |
| 171 | |
| 172 | for (int i = 0; i < NUM_CALLS; i++) { |
| 173 | error = grpc_server_request_call( |
| 174 | f.server, &server_calls[i], &call_details[i], &request_metadata_recv[i], |
| 175 | f.cq, f.cq, tag(SERVER_START_BASE_TAG + i)); |
| 176 | GPR_ASSERT(GRPC_CALL_OK == error); |
| 177 | |
| 178 | pending_server_start_calls++; |
| 179 | } |
| 180 | |
| 181 | for (int i = 0; i < NUM_CALLS; i++) { |
| 182 | client_calls[i] = grpc_channel_create_call( |
| 183 | f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq, "/foo", |
| 184 | "foo.test.google.fr", n_seconds_time(60), NULL); |
| 185 | |
| 186 | memset(ops, 0, sizeof(ops)); |
| 187 | op = ops; |
| 188 | op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| 189 | op->data.send_initial_metadata.count = 0; |
| 190 | op->flags = 0; |
| 191 | op->reserved = NULL; |
| 192 | op++; |
| 193 | op->op = GRPC_OP_SEND_MESSAGE; |
| 194 | op->data.send_message = request_payload; |
| 195 | op->flags = 0; |
| 196 | op->reserved = NULL; |
| 197 | op++; |
| 198 | op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; |
| 199 | op->flags = 0; |
| 200 | op->reserved = NULL; |
| 201 | op++; |
| 202 | op->op = GRPC_OP_RECV_INITIAL_METADATA; |
| 203 | op->data.recv_initial_metadata = &initial_metadata_recv[i]; |
| 204 | op->flags = 0; |
| 205 | op->reserved = NULL; |
| 206 | op++; |
| 207 | op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; |
| 208 | op->data.recv_status_on_client.trailing_metadata = |
| 209 | &trailing_metadata_recv[i]; |
| 210 | op->data.recv_status_on_client.status = &status[i]; |
| 211 | op->data.recv_status_on_client.status_details = &details[i]; |
| 212 | op->data.recv_status_on_client.status_details_capacity = |
| 213 | &details_capacity[i]; |
| 214 | op->flags = 0; |
| 215 | op->reserved = NULL; |
| 216 | op++; |
| 217 | error = grpc_call_start_batch(client_calls[i], ops, (size_t)(op - ops), |
| 218 | tag(CLIENT_BASE_TAG + i), NULL); |
| 219 | GPR_ASSERT(GRPC_CALL_OK == error); |
| 220 | |
| 221 | pending_client_calls++; |
| 222 | } |
| 223 | |
| 224 | while (pending_client_calls + pending_server_recv_calls + |
| 225 | pending_server_end_calls > |
| 226 | 0) { |
| 227 | grpc_event ev = grpc_completion_queue_next(f.cq, n_seconds_time(10), NULL); |
| 228 | GPR_ASSERT(ev.type == GRPC_OP_COMPLETE); |
| 229 | |
| 230 | int ev_tag = (int)(intptr_t)ev.tag; |
| 231 | if (ev_tag < CLIENT_BASE_TAG) { |
| 232 | abort(); /* illegal tag */ |
| 233 | } else if (ev_tag < SERVER_START_BASE_TAG) { |
| 234 | /* client call finished */ |
| 235 | int call_id = ev_tag - CLIENT_BASE_TAG; |
| 236 | GPR_ASSERT(call_id >= 0); |
| 237 | GPR_ASSERT(call_id < NUM_CALLS); |
| 238 | switch (status[call_id]) { |
| 239 | case GRPC_STATUS_RESOURCE_EXHAUSTED: |
| 240 | cancelled_calls_on_client++; |
| 241 | break; |
| 242 | case GRPC_STATUS_OK: |
| 243 | break; |
| 244 | default: |
| 245 | gpr_log(GPR_ERROR, "Unexpected status code: %d", status[call_id]); |
| 246 | abort(); |
| 247 | } |
| 248 | GPR_ASSERT(pending_client_calls > 0); |
| 249 | |
| 250 | grpc_metadata_array_destroy(&initial_metadata_recv[call_id]); |
| 251 | grpc_metadata_array_destroy(&trailing_metadata_recv[call_id]); |
| 252 | grpc_call_destroy(client_calls[call_id]); |
| 253 | gpr_free(details[call_id]); |
| 254 | |
| 255 | pending_client_calls--; |
| 256 | } else if (ev_tag < SERVER_RECV_BASE_TAG) { |
| 257 | /* new incoming call to the server */ |
| 258 | int call_id = ev_tag - SERVER_START_BASE_TAG; |
| 259 | GPR_ASSERT(call_id >= 0); |
| 260 | GPR_ASSERT(call_id < NUM_CALLS); |
| 261 | |
| 262 | memset(ops, 0, sizeof(ops)); |
| 263 | op = ops; |
| 264 | op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| 265 | op->data.send_initial_metadata.count = 0; |
| 266 | op->flags = 0; |
| 267 | op->reserved = NULL; |
| 268 | op++; |
| 269 | op->op = GRPC_OP_RECV_MESSAGE; |
| 270 | op->data.recv_message = &request_payload_recv[call_id]; |
| 271 | op->flags = 0; |
| 272 | op->reserved = NULL; |
| 273 | op++; |
| 274 | error = |
| 275 | grpc_call_start_batch(server_calls[call_id], ops, (size_t)(op - ops), |
| 276 | tag(SERVER_RECV_BASE_TAG + call_id), NULL); |
| 277 | GPR_ASSERT(GRPC_CALL_OK == error); |
| 278 | |
| 279 | GPR_ASSERT(pending_server_start_calls > 0); |
| 280 | pending_server_start_calls--; |
| 281 | pending_server_recv_calls++; |
| 282 | |
| 283 | grpc_call_details_destroy(&call_details[call_id]); |
| 284 | grpc_metadata_array_destroy(&request_metadata_recv[call_id]); |
| 285 | } else if (ev_tag < SERVER_END_BASE_TAG) { |
| 286 | /* finished read on the server */ |
| 287 | int call_id = ev_tag - SERVER_RECV_BASE_TAG; |
| 288 | GPR_ASSERT(call_id >= 0); |
| 289 | GPR_ASSERT(call_id < NUM_CALLS); |
| 290 | |
| 291 | if (ev.success) { |
| 292 | if (request_payload_recv[call_id] != NULL) { |
| 293 | grpc_byte_buffer_destroy(request_payload_recv[call_id]); |
| 294 | request_payload_recv[call_id] = NULL; |
| 295 | } |
| 296 | } else { |
| 297 | GPR_ASSERT(request_payload_recv[call_id] == NULL); |
| 298 | } |
| 299 | |
| 300 | memset(ops, 0, sizeof(ops)); |
| 301 | op = ops; |
| 302 | op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; |
| 303 | op->data.recv_close_on_server.cancelled = &was_cancelled[call_id]; |
| 304 | op->flags = 0; |
| 305 | op->reserved = NULL; |
| 306 | op++; |
| 307 | op->op = GRPC_OP_SEND_STATUS_FROM_SERVER; |
| 308 | op->data.send_status_from_server.trailing_metadata_count = 0; |
| 309 | op->data.send_status_from_server.status = GRPC_STATUS_OK; |
| 310 | op->data.send_status_from_server.status_details = "xyz"; |
| 311 | op->flags = 0; |
| 312 | op->reserved = NULL; |
| 313 | op++; |
| 314 | error = |
| 315 | grpc_call_start_batch(server_calls[call_id], ops, (size_t)(op - ops), |
| 316 | tag(SERVER_END_BASE_TAG + call_id), NULL); |
| 317 | GPR_ASSERT(GRPC_CALL_OK == error); |
| 318 | |
| 319 | GPR_ASSERT(pending_server_recv_calls > 0); |
| 320 | pending_server_recv_calls--; |
| 321 | pending_server_end_calls++; |
| 322 | } else { |
| 323 | int call_id = ev_tag - SERVER_END_BASE_TAG; |
| 324 | GPR_ASSERT(call_id >= 0); |
| 325 | GPR_ASSERT(call_id < NUM_CALLS); |
| 326 | |
| 327 | if (was_cancelled[call_id]) { |
| 328 | cancelled_calls_on_server++; |
| 329 | } |
| 330 | GPR_ASSERT(pending_server_end_calls > 0); |
| 331 | pending_server_end_calls--; |
| 332 | |
| 333 | grpc_call_destroy(server_calls[call_id]); |
| 334 | } |
| 335 | } |
| 336 | |
| 337 | gpr_log( |
| 338 | GPR_INFO, |
| 339 | "Done. %d total calls: %d cancelled at server, %d cancelled at client.", |
| 340 | NUM_CALLS, cancelled_calls_on_server, cancelled_calls_on_client); |
| 341 | |
Craig Tiller | 8abc796 | 2016-10-26 21:31:29 -0700 | [diff] [blame] | 342 | /* The call may be cancelled after the server has sent its status but before |
Craig Tiller | 423efd5 | 2016-10-27 08:08:03 -0700 | [diff] [blame^] | 343 | * the client has received it. This means that we should see strictly more |
| 344 | * failures on the client than on the server. */ |
Craig Tiller | 20afa3d | 2016-10-17 14:52:14 -0700 | [diff] [blame] | 345 | GPR_ASSERT(cancelled_calls_on_client >= cancelled_calls_on_server); |
Craig Tiller | 6b5d682 | 2016-10-25 16:13:26 -0700 | [diff] [blame] | 346 | /* However, we shouldn't see radically more... 0.9 is a guessed bound on what |
| 347 | * we'd want that ratio to be... to at least trigger some investigation should |
| 348 | * that ratio become much higher. */ |
Craig Tiller | 20afa3d | 2016-10-17 14:52:14 -0700 | [diff] [blame] | 349 | GPR_ASSERT(cancelled_calls_on_server >= 0.9 * cancelled_calls_on_client); |
| 350 | |
| 351 | grpc_byte_buffer_destroy(request_payload); |
| 352 | gpr_slice_unref(request_payload_slice); |
| 353 | grpc_resource_quota_unref(resource_quota); |
| 354 | |
| 355 | end_test(&f); |
| 356 | config.tear_down_data(&f); |
| 357 | } |
| 358 | |
| 359 | void resource_quota_server_pre_init(void) {} |