| /* |
| * |
| * Copyright 2016, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #include "test/core/end2end/end2end_tests.h" |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include <grpc/byte_buffer.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/time.h> |
| #include <grpc/support/useful.h> |
| #include "test/core/end2end/cq_verifier.h" |
| |
| static void *tag(intptr_t t) { return (void *)t; } |
| |
| static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config, |
| const char *test_name, |
| grpc_channel_args *client_args, |
| grpc_channel_args *server_args) { |
| grpc_end2end_test_fixture f; |
| gpr_log(GPR_INFO, "%s/%s", test_name, config.name); |
| f = config.create_fixture(client_args, server_args); |
| config.init_server(&f, server_args); |
| config.init_client(&f, client_args); |
| return f; |
| } |
| |
| static gpr_timespec n_seconds_time(int n) { |
| return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n); |
| } |
| |
| static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); } |
| |
| static void drain_cq(grpc_completion_queue *cq) { |
| grpc_event ev; |
| do { |
| ev = grpc_completion_queue_next(cq, five_seconds_time(), NULL); |
| } while (ev.type != GRPC_QUEUE_SHUTDOWN); |
| } |
| |
| static void shutdown_server(grpc_end2end_test_fixture *f) { |
| if (!f->server) return; |
| grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000)); |
| GPR_ASSERT(grpc_completion_queue_pluck( |
| f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL) |
| .type == GRPC_OP_COMPLETE); |
| grpc_server_destroy(f->server); |
| f->server = NULL; |
| } |
| |
| static void shutdown_client(grpc_end2end_test_fixture *f) { |
| if (!f->client) return; |
| grpc_channel_destroy(f->client); |
| f->client = NULL; |
| } |
| |
| static void end_test(grpc_end2end_test_fixture *f) { |
| shutdown_server(f); |
| shutdown_client(f); |
| |
| grpc_completion_queue_shutdown(f->cq); |
| drain_cq(f->cq); |
| grpc_completion_queue_destroy(f->cq); |
| } |
| |
| /* Creates and returns a grpc_slice containing random alphanumeric characters. |
| */ |
| static grpc_slice generate_random_slice() { |
| size_t i; |
| static const char chars[] = "abcdefghijklmnopqrstuvwxyz1234567890"; |
| char *output; |
| const size_t output_size = 1024 * 1024; |
| output = gpr_malloc(output_size); |
| for (i = 0; i < output_size - 1; ++i) { |
| output[i] = chars[rand() % (int)(sizeof(chars) - 1)]; |
| } |
| output[output_size - 1] = '\0'; |
| grpc_slice out = grpc_slice_from_copied_string(output); |
| gpr_free(output); |
| return out; |
| } |
| |
| void resource_quota_server(grpc_end2end_test_config config) { |
| grpc_resource_quota *resource_quota = |
| grpc_resource_quota_create("test_server"); |
| grpc_resource_quota_resize(resource_quota, 5 * 1024 * 1024); |
| |
| #define NUM_CALLS 100 |
| #define CLIENT_BASE_TAG 1000 |
| #define SERVER_START_BASE_TAG 2000 |
| #define SERVER_RECV_BASE_TAG 3000 |
| #define SERVER_END_BASE_TAG 4000 |
| |
| grpc_arg arg; |
| arg.key = GRPC_ARG_RESOURCE_QUOTA; |
| arg.type = GRPC_ARG_POINTER; |
| arg.value.pointer.p = resource_quota; |
| arg.value.pointer.vtable = grpc_resource_quota_arg_vtable(); |
| grpc_channel_args args = {1, &arg}; |
| |
| grpc_end2end_test_fixture f = |
| begin_test(config, "resource_quota_server", NULL, &args); |
| |
| /* Create large request and response bodies. These are big enough to require |
| * multiple round trips to deliver to the peer, and their exact contents of |
| * will be verified on completion. */ |
| grpc_slice request_payload_slice = generate_random_slice(); |
| |
| grpc_call **client_calls = malloc(sizeof(grpc_call *) * NUM_CALLS); |
| grpc_call **server_calls = malloc(sizeof(grpc_call *) * NUM_CALLS); |
| grpc_metadata_array *initial_metadata_recv = |
| malloc(sizeof(grpc_metadata_array) * NUM_CALLS); |
| grpc_metadata_array *trailing_metadata_recv = |
| malloc(sizeof(grpc_metadata_array) * NUM_CALLS); |
| grpc_metadata_array *request_metadata_recv = |
| malloc(sizeof(grpc_metadata_array) * NUM_CALLS); |
| grpc_call_details *call_details = |
| malloc(sizeof(grpc_call_details) * NUM_CALLS); |
| grpc_status_code *status = malloc(sizeof(grpc_status_code) * NUM_CALLS); |
| char **details = malloc(sizeof(char *) * NUM_CALLS); |
| size_t *details_capacity = malloc(sizeof(size_t) * NUM_CALLS); |
| grpc_byte_buffer **request_payload_recv = |
| malloc(sizeof(grpc_byte_buffer *) * NUM_CALLS); |
| int *was_cancelled = malloc(sizeof(int) * NUM_CALLS); |
| grpc_call_error error; |
| int pending_client_calls = 0; |
| int pending_server_start_calls = 0; |
| int pending_server_recv_calls = 0; |
| int pending_server_end_calls = 0; |
| int cancelled_calls_on_client = 0; |
| int cancelled_calls_on_server = 0; |
| |
| grpc_byte_buffer *request_payload = |
| grpc_raw_byte_buffer_create(&request_payload_slice, 1); |
| |
| grpc_op ops[6]; |
| grpc_op *op; |
| |
| for (int i = 0; i < NUM_CALLS; i++) { |
| grpc_metadata_array_init(&initial_metadata_recv[i]); |
| grpc_metadata_array_init(&trailing_metadata_recv[i]); |
| grpc_metadata_array_init(&request_metadata_recv[i]); |
| grpc_call_details_init(&call_details[i]); |
| details[i] = NULL; |
| details_capacity[i] = 0; |
| request_payload_recv[i] = NULL; |
| was_cancelled[i] = 0; |
| } |
| |
| for (int i = 0; i < NUM_CALLS; i++) { |
| error = grpc_server_request_call( |
| f.server, &server_calls[i], &call_details[i], &request_metadata_recv[i], |
| f.cq, f.cq, tag(SERVER_START_BASE_TAG + i)); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| pending_server_start_calls++; |
| } |
| |
| for (int i = 0; i < NUM_CALLS; i++) { |
| client_calls[i] = grpc_channel_create_call( |
| f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq, "/foo", |
| "foo.test.google.fr", n_seconds_time(60), NULL); |
| |
| memset(ops, 0, sizeof(ops)); |
| op = ops; |
| op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| op->data.send_initial_metadata.count = 0; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_SEND_MESSAGE; |
| op->data.send_message.send_message = request_payload; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_RECV_INITIAL_METADATA; |
| op->data.recv_initial_metadata.recv_initial_metadata = |
| &initial_metadata_recv[i]; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; |
| op->data.recv_status_on_client.trailing_metadata = |
| &trailing_metadata_recv[i]; |
| op->data.recv_status_on_client.status = &status[i]; |
| op->data.recv_status_on_client.status_details = &details[i]; |
| op->data.recv_status_on_client.status_details_capacity = |
| &details_capacity[i]; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| error = grpc_call_start_batch(client_calls[i], ops, (size_t)(op - ops), |
| tag(CLIENT_BASE_TAG + i), NULL); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| pending_client_calls++; |
| } |
| |
| while (pending_client_calls + pending_server_recv_calls + |
| pending_server_end_calls > |
| 0) { |
| grpc_event ev = grpc_completion_queue_next(f.cq, n_seconds_time(60), NULL); |
| GPR_ASSERT(ev.type == GRPC_OP_COMPLETE); |
| |
| int ev_tag = (int)(intptr_t)ev.tag; |
| if (ev_tag < CLIENT_BASE_TAG) { |
| abort(); /* illegal tag */ |
| } else if (ev_tag < SERVER_START_BASE_TAG) { |
| /* client call finished */ |
| int call_id = ev_tag - CLIENT_BASE_TAG; |
| GPR_ASSERT(call_id >= 0); |
| GPR_ASSERT(call_id < NUM_CALLS); |
| switch (status[call_id]) { |
| case GRPC_STATUS_RESOURCE_EXHAUSTED: |
| cancelled_calls_on_client++; |
| break; |
| case GRPC_STATUS_OK: |
| break; |
| default: |
| gpr_log(GPR_ERROR, "Unexpected status code: %d", status[call_id]); |
| abort(); |
| } |
| GPR_ASSERT(pending_client_calls > 0); |
| |
| grpc_metadata_array_destroy(&initial_metadata_recv[call_id]); |
| grpc_metadata_array_destroy(&trailing_metadata_recv[call_id]); |
| grpc_call_destroy(client_calls[call_id]); |
| gpr_free(details[call_id]); |
| |
| pending_client_calls--; |
| } else if (ev_tag < SERVER_RECV_BASE_TAG) { |
| /* new incoming call to the server */ |
| int call_id = ev_tag - SERVER_START_BASE_TAG; |
| GPR_ASSERT(call_id >= 0); |
| GPR_ASSERT(call_id < NUM_CALLS); |
| |
| memset(ops, 0, sizeof(ops)); |
| op = ops; |
| op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| op->data.send_initial_metadata.count = 0; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_RECV_MESSAGE; |
| op->data.recv_message.recv_message = &request_payload_recv[call_id]; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| error = |
| grpc_call_start_batch(server_calls[call_id], ops, (size_t)(op - ops), |
| tag(SERVER_RECV_BASE_TAG + call_id), NULL); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| GPR_ASSERT(pending_server_start_calls > 0); |
| pending_server_start_calls--; |
| pending_server_recv_calls++; |
| |
| grpc_call_details_destroy(&call_details[call_id]); |
| grpc_metadata_array_destroy(&request_metadata_recv[call_id]); |
| } else if (ev_tag < SERVER_END_BASE_TAG) { |
| /* finished read on the server */ |
| int call_id = ev_tag - SERVER_RECV_BASE_TAG; |
| GPR_ASSERT(call_id >= 0); |
| GPR_ASSERT(call_id < NUM_CALLS); |
| |
| if (ev.success) { |
| if (request_payload_recv[call_id] != NULL) { |
| grpc_byte_buffer_destroy(request_payload_recv[call_id]); |
| request_payload_recv[call_id] = NULL; |
| } |
| } else { |
| GPR_ASSERT(request_payload_recv[call_id] == NULL); |
| } |
| |
| memset(ops, 0, sizeof(ops)); |
| op = ops; |
| op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; |
| op->data.recv_close_on_server.cancelled = &was_cancelled[call_id]; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| op->op = GRPC_OP_SEND_STATUS_FROM_SERVER; |
| op->data.send_status_from_server.trailing_metadata_count = 0; |
| op->data.send_status_from_server.status = GRPC_STATUS_OK; |
| op->data.send_status_from_server.status_details = "xyz"; |
| op->flags = 0; |
| op->reserved = NULL; |
| op++; |
| error = |
| grpc_call_start_batch(server_calls[call_id], ops, (size_t)(op - ops), |
| tag(SERVER_END_BASE_TAG + call_id), NULL); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| |
| GPR_ASSERT(pending_server_recv_calls > 0); |
| pending_server_recv_calls--; |
| pending_server_end_calls++; |
| } else { |
| int call_id = ev_tag - SERVER_END_BASE_TAG; |
| GPR_ASSERT(call_id >= 0); |
| GPR_ASSERT(call_id < NUM_CALLS); |
| |
| if (was_cancelled[call_id]) { |
| cancelled_calls_on_server++; |
| } |
| GPR_ASSERT(pending_server_end_calls > 0); |
| pending_server_end_calls--; |
| |
| grpc_call_destroy(server_calls[call_id]); |
| } |
| } |
| |
| gpr_log( |
| GPR_INFO, |
| "Done. %d total calls: %d cancelled at server, %d cancelled at client.", |
| NUM_CALLS, cancelled_calls_on_server, cancelled_calls_on_client); |
| |
| /* The call may be cancelled after the server has sent its status but before |
| * the client has received it. This means that we should see strictly more |
| * failures on the client than on the server. */ |
| GPR_ASSERT(cancelled_calls_on_client >= cancelled_calls_on_server); |
| /* However, we shouldn't see radically more... 0.9 is a guessed bound on what |
| * we'd want that ratio to be... to at least trigger some investigation should |
| * that ratio become much higher. */ |
| GPR_ASSERT(cancelled_calls_on_server >= 0.9 * cancelled_calls_on_client); |
| |
| grpc_byte_buffer_destroy(request_payload); |
| grpc_slice_unref(request_payload_slice); |
| grpc_resource_quota_unref(resource_quota); |
| |
| free(client_calls); |
| free(server_calls); |
| free(initial_metadata_recv); |
| free(trailing_metadata_recv); |
| free(request_metadata_recv); |
| free(call_details); |
| free(status); |
| free(details); |
| free(details_capacity); |
| free(request_payload_recv); |
| free(was_cancelled); |
| |
| end_test(&f); |
| config.tear_down_data(&f); |
| } |
| |
| void resource_quota_server_pre_init(void) {} |