| /* |
| * |
| * Copyright 2017 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 "src/core/lib/iomgr/port.h" |
| |
| // This test won't work except with libuv |
| #ifdef GRPC_UV |
| |
| #include <uv.h> |
| |
| #include <string.h> |
| |
| #include "src/core/lib/iomgr/tcp_client.h" |
| |
| #include <grpc/grpc.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/time.h> |
| |
| #include "src/core/lib/iomgr/iomgr.h" |
| #include "src/core/lib/iomgr/pollset.h" |
| #include "src/core/lib/iomgr/timer.h" |
| #include "test/core/util/test_config.h" |
| |
| static gpr_mu* g_mu; |
| static grpc_pollset* g_pollset; |
| static int g_connections_complete = 0; |
| static grpc_endpoint* g_connecting = NULL; |
| |
| static grpc_millis test_deadline(void) { |
| return grpc_timespec_to_millis_round_up(grpc_timeout_seconds_to_deadline(10)); |
| } |
| |
| static void finish_connection(grpc_exec_ctx* exec_ctx) { |
| gpr_mu_lock(g_mu); |
| g_connections_complete++; |
| GPR_ASSERT(GRPC_LOG_IF_ERROR("pollset_kick", |
| grpc_pollset_kick(exec_ctx, g_pollset, NULL))); |
| gpr_mu_unlock(g_mu); |
| } |
| |
| static void must_succeed(grpc_exec_ctx* exec_ctx, void* arg, |
| grpc_error* error) { |
| GPR_ASSERT(g_connecting != NULL); |
| GPR_ASSERT(error == GRPC_ERROR_NONE); |
| grpc_endpoint_shutdown( |
| exec_ctx, g_connecting, |
| GRPC_ERROR_CREATE_FROM_STATIC_STRING("must_succeed called")); |
| grpc_endpoint_destroy(exec_ctx, g_connecting); |
| g_connecting = NULL; |
| finish_connection(exec_ctx); |
| } |
| |
| static void must_fail(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error) { |
| GPR_ASSERT(g_connecting == NULL); |
| GPR_ASSERT(error != GRPC_ERROR_NONE); |
| finish_connection(exec_ctx); |
| } |
| |
| static void close_cb(uv_handle_t* handle) { gpr_free(handle); } |
| |
| static void connection_cb(uv_stream_t* server, int status) { |
| uv_tcp_t* client_handle = |
| static_cast<uv_tcp_t*>(gpr_malloc(sizeof(uv_tcp_t))); |
| GPR_ASSERT(0 == status); |
| GPR_ASSERT(0 == uv_tcp_init(uv_default_loop(), client_handle)); |
| GPR_ASSERT(0 == uv_accept(server, (uv_stream_t*)client_handle)); |
| uv_close((uv_handle_t*)client_handle, close_cb); |
| } |
| |
| void test_succeeds(void) { |
| grpc_resolved_address resolved_addr; |
| struct sockaddr_in* addr = (struct sockaddr_in*)resolved_addr.addr; |
| uv_tcp_t* svr_handle = static_cast<uv_tcp_t*>(gpr_malloc(sizeof(uv_tcp_t))); |
| int connections_complete_before; |
| grpc_closure done; |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| |
| gpr_log(GPR_DEBUG, "test_succeeds"); |
| |
| memset(&resolved_addr, 0, sizeof(resolved_addr)); |
| resolved_addr.len = sizeof(struct sockaddr_in); |
| addr->sin_family = AF_INET; |
| |
| /* create a dummy server */ |
| GPR_ASSERT(0 == uv_tcp_init(uv_default_loop(), svr_handle)); |
| GPR_ASSERT(0 == uv_tcp_bind(svr_handle, (struct sockaddr*)addr, 0)); |
| GPR_ASSERT(0 == uv_listen((uv_stream_t*)svr_handle, 1, connection_cb)); |
| |
| gpr_mu_lock(g_mu); |
| connections_complete_before = g_connections_complete; |
| gpr_mu_unlock(g_mu); |
| |
| /* connect to it */ |
| GPR_ASSERT(uv_tcp_getsockname(svr_handle, (struct sockaddr*)addr, |
| (int*)&resolved_addr.len) == 0); |
| GRPC_CLOSURE_INIT(&done, must_succeed, NULL, grpc_schedule_on_exec_ctx); |
| grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, NULL, NULL, |
| &resolved_addr, GRPC_MILLIS_INF_FUTURE); |
| |
| gpr_mu_lock(g_mu); |
| |
| while (g_connections_complete == connections_complete_before) { |
| grpc_pollset_worker* worker = NULL; |
| GPR_ASSERT(GRPC_LOG_IF_ERROR( |
| "pollset_work", |
| grpc_pollset_work(&exec_ctx, g_pollset, &worker, |
| grpc_timespec_to_millis_round_up( |
| grpc_timeout_seconds_to_deadline(5))))); |
| gpr_mu_unlock(g_mu); |
| grpc_exec_ctx_flush(&exec_ctx); |
| gpr_mu_lock(g_mu); |
| } |
| |
| // This will get cleaned up when the pollset runs again or gets shutdown |
| uv_close((uv_handle_t*)svr_handle, close_cb); |
| |
| gpr_mu_unlock(g_mu); |
| |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| |
| void test_fails(void) { |
| grpc_resolved_address resolved_addr; |
| struct sockaddr_in* addr = (struct sockaddr_in*)resolved_addr.addr; |
| int connections_complete_before; |
| grpc_closure done; |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| |
| gpr_log(GPR_DEBUG, "test_fails"); |
| |
| memset(&resolved_addr, 0, sizeof(resolved_addr)); |
| resolved_addr.len = sizeof(struct sockaddr_in); |
| addr->sin_family = AF_INET; |
| |
| gpr_mu_lock(g_mu); |
| connections_complete_before = g_connections_complete; |
| gpr_mu_unlock(g_mu); |
| |
| /* connect to a broken address */ |
| GRPC_CLOSURE_INIT(&done, must_fail, NULL, grpc_schedule_on_exec_ctx); |
| grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, NULL, NULL, |
| &resolved_addr, GRPC_MILLIS_INF_FUTURE); |
| |
| gpr_mu_lock(g_mu); |
| |
| /* wait for the connection callback to finish */ |
| while (g_connections_complete == connections_complete_before) { |
| grpc_pollset_worker* worker = NULL; |
| gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC); |
| grpc_millis polling_deadline = test_deadline(); |
| switch (grpc_timer_check(&exec_ctx, &polling_deadline)) { |
| case GRPC_TIMERS_FIRED: |
| break; |
| case GRPC_TIMERS_NOT_CHECKED: |
| polling_deadline = grpc_timespec_to_millis_round_up(now); |
| /* fall through */ |
| case GRPC_TIMERS_CHECKED_AND_EMPTY: |
| GPR_ASSERT(GRPC_LOG_IF_ERROR( |
| "pollset_work", grpc_pollset_work(&exec_ctx, g_pollset, &worker, |
| polling_deadline))); |
| break; |
| } |
| gpr_mu_unlock(g_mu); |
| grpc_exec_ctx_flush(&exec_ctx); |
| gpr_mu_lock(g_mu); |
| } |
| |
| gpr_mu_unlock(g_mu); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| |
| static void destroy_pollset(grpc_exec_ctx* exec_ctx, void* p, |
| grpc_error* error) { |
| grpc_pollset_destroy(exec_ctx, static_cast<grpc_pollset*>(p)); |
| } |
| |
| int main(int argc, char** argv) { |
| grpc_closure destroyed; |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| grpc_test_init(argc, argv); |
| grpc_init(); |
| g_pollset = static_cast<grpc_pollset*>(gpr_malloc(grpc_pollset_size())); |
| grpc_pollset_init(g_pollset, &g_mu); |
| grpc_exec_ctx_finish(&exec_ctx); |
| test_succeeds(); |
| gpr_log(GPR_ERROR, "End of first test"); |
| test_fails(); |
| GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset, |
| grpc_schedule_on_exec_ctx); |
| grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed); |
| grpc_exec_ctx_finish(&exec_ctx); |
| grpc_shutdown(); |
| gpr_free(g_pollset); |
| return 0; |
| } |
| |
| #else /* GRPC_UV */ |
| |
| int main(int argc, char** argv) { return 1; } |
| |
| #endif /* GRPC_UV */ |