diff options
Diffstat (limited to 'test/core/end2end/tests/resource_quota_server.c')
| -rw-r--r-- | test/core/end2end/tests/resource_quota_server.c | 381 |
1 files changed, 381 insertions, 0 deletions
diff --git a/test/core/end2end/tests/resource_quota_server.c b/test/core/end2end/tests/resource_quota_server.c new file mode 100644 index 0000000000..c919faea89 --- /dev/null +++ b/test/core/end2end/tests/resource_quota_server.c @@ -0,0 +1,381 @@ +/* + * + * 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 = 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 = &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 = &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) {} |