/* * * 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 "src/core/lib/iomgr/port.h" // This test won't work except with posix sockets enabled #ifdef GRPC_POSIX_SOCKET #include "src/core/lib/iomgr/tcp_client.h" #include #include #include #include #include #include #include #include #include #include "src/core/lib/iomgr/iomgr.h" #include "src/core/lib/iomgr/pollset_set.h" #include "src/core/lib/iomgr/socket_utils_posix.h" #include "src/core/lib/iomgr/timer.h" #include "test/core/util/test_config.h" static grpc_pollset_set *g_pollset_set; static gpr_mu *g_mu; static grpc_pollset *g_pollset; static int g_connections_complete = 0; static grpc_endpoint *g_connecting = NULL; static gpr_timespec test_deadline(void) { return grpc_timeout_seconds_to_deadline(10); } static void finish_connection() { gpr_mu_lock(g_mu); g_connections_complete++; GPR_ASSERT( GRPC_LOG_IF_ERROR("pollset_kick", grpc_pollset_kick(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(); } 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(); } void test_succeeds(void) { grpc_resolved_address resolved_addr; struct sockaddr_in *addr = (struct sockaddr_in *)resolved_addr.addr; int svr_fd; int r; 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 */ svr_fd = socket(AF_INET, SOCK_STREAM, 0); GPR_ASSERT(svr_fd >= 0); GPR_ASSERT( 0 == bind(svr_fd, (struct sockaddr *)addr, (socklen_t)resolved_addr.len)); GPR_ASSERT(0 == listen(svr_fd, 1)); gpr_mu_lock(g_mu); connections_complete_before = g_connections_complete; gpr_mu_unlock(g_mu); /* connect to it */ GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)addr, (socklen_t *)&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, g_pollset_set, NULL, &resolved_addr, gpr_inf_future(GPR_CLOCK_REALTIME)); /* await the connection */ do { resolved_addr.len = sizeof(addr); r = accept(svr_fd, (struct sockaddr *)addr, (socklen_t *)&resolved_addr.len); } while (r == -1 && errno == EINTR); GPR_ASSERT(r >= 0); close(r); 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, gpr_now(GPR_CLOCK_MONOTONIC), grpc_timeout_seconds_to_deadline(5)))); 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); } 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, g_pollset_set, NULL, &resolved_addr, gpr_inf_future(GPR_CLOCK_REALTIME)); 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); gpr_timespec polling_deadline = test_deadline(); switch (grpc_timer_check(&exec_ctx, now, &polling_deadline)) { case GRPC_TIMERS_FIRED: break; case GRPC_TIMERS_NOT_CHECKED: polling_deadline = 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, now, 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, 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_set = grpc_pollset_set_create(); g_pollset = gpr_zalloc(grpc_pollset_size()); grpc_pollset_init(g_pollset, &g_mu); grpc_pollset_set_add_pollset(&exec_ctx, g_pollset_set, g_pollset); grpc_exec_ctx_finish(&exec_ctx); test_succeeds(); gpr_log(GPR_ERROR, "End of first test"); test_fails(); grpc_pollset_set_destroy(&exec_ctx, g_pollset_set); 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_POSIX_SOCKET */ int main(int argc, char **argv) { return 1; } #endif /* GRPC_POSIX_SOCKET */