/* * * Copyright 2015 gRPC authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ #include "test/core/end2end/end2end_tests.h" #include #include #include #include #include #include #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, "Running test: %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_from_now(int n) { return grpc_timeout_seconds_to_deadline(n); } static gpr_timespec five_seconds_from_now(void) { return n_seconds_from_now(5); } static void drain_cq(grpc_completion_queue* cq) { grpc_event ev; do { ev = grpc_completion_queue_next(cq, five_seconds_from_now(), nullptr); } while (ev.type != GRPC_QUEUE_SHUTDOWN); } static void shutdown_server(grpc_end2end_test_fixture* f) { if (!f->server) return; grpc_server_destroy(f->server); f->server = nullptr; } static void shutdown_client(grpc_end2end_test_fixture* f) { if (!f->client) return; grpc_channel_destroy(f->client); f->client = nullptr; } 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); /* Note: shutdown_cq is not used in this test */ grpc_completion_queue_destroy(f->shutdown_cq); } static void test_early_server_shutdown_finishes_inflight_calls( grpc_end2end_test_config config) { grpc_call* c; grpc_call* s; grpc_end2end_test_fixture f = begin_test(config, "test_early_server_shutdown_finishes_inflight_calls", nullptr, nullptr); cq_verifier* cqv = cq_verifier_create(f.cq); grpc_op ops[6]; grpc_op* op; grpc_metadata_array initial_metadata_recv; grpc_metadata_array trailing_metadata_recv; grpc_metadata_array request_metadata_recv; grpc_call_details call_details; grpc_status_code status; grpc_call_error error; grpc_slice details; int was_cancelled = 2; gpr_timespec deadline = n_seconds_from_now(10); c = grpc_channel_create_call(f.client, nullptr, GRPC_PROPAGATE_DEFAULTS, f.cq, grpc_slice_from_static_string("/foo"), nullptr, deadline, nullptr); GPR_ASSERT(c); grpc_metadata_array_init(&initial_metadata_recv); grpc_metadata_array_init(&trailing_metadata_recv); grpc_metadata_array_init(&request_metadata_recv); grpc_call_details_init(&call_details); memset(ops, 0, sizeof(ops)); op = ops; op->op = GRPC_OP_SEND_INITIAL_METADATA; op->data.send_initial_metadata.count = 0; op->data.send_initial_metadata.metadata = nullptr; op->flags = 0; op->reserved = nullptr; op++; op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; op->flags = 0; op->reserved = nullptr; op++; op->op = GRPC_OP_RECV_INITIAL_METADATA; op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv; op->flags = 0; op->reserved = nullptr; op++; op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv; op->data.recv_status_on_client.status = &status; op->data.recv_status_on_client.status_details = &details; op->flags = 0; op->reserved = nullptr; op++; error = grpc_call_start_batch(c, ops, static_cast(op - ops), tag(1), nullptr); GPR_ASSERT(GRPC_CALL_OK == error); error = grpc_server_request_call(f.server, &s, &call_details, &request_metadata_recv, f.cq, f.cq, tag(101)); GPR_ASSERT(GRPC_CALL_OK == error); CQ_EXPECT_COMPLETION(cqv, tag(101), 1); cq_verify(cqv); /* shutdown and destroy the server */ grpc_server_shutdown_and_notify(f.server, f.cq, tag(0xdead)); cq_verify_empty(cqv); 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 = nullptr; 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_UNIMPLEMENTED; grpc_slice status_details = grpc_slice_from_static_string("xyz"); op->data.send_status_from_server.status_details = &status_details; op->flags = 0; op->reserved = nullptr; op++; op->op = GRPC_OP_RECV_CLOSE_ON_SERVER; op->data.recv_close_on_server.cancelled = &was_cancelled; op->flags = 0; op->reserved = nullptr; op++; error = grpc_call_start_batch(s, ops, static_cast(op - ops), tag(102), nullptr); GPR_ASSERT(GRPC_CALL_OK == error); CQ_EXPECT_COMPLETION(cqv, tag(102), 1); CQ_EXPECT_COMPLETION(cqv, tag(0xdead), 1); CQ_EXPECT_COMPLETION(cqv, tag(1), 1); cq_verify(cqv); grpc_call_unref(s); GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED); GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo")); GPR_ASSERT(was_cancelled == 1); grpc_slice_unref(details); grpc_metadata_array_destroy(&initial_metadata_recv); grpc_metadata_array_destroy(&trailing_metadata_recv); grpc_metadata_array_destroy(&request_metadata_recv); grpc_call_details_destroy(&call_details); grpc_call_unref(c); cq_verifier_destroy(cqv); end_test(&f); config.tear_down_data(&f); } void graceful_server_shutdown(grpc_end2end_test_config config) { test_early_server_shutdown_finishes_inflight_calls(config); } void graceful_server_shutdown_pre_init(void) {}