| /* |
| * |
| * Copyright 2015, 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 "src/core/lib/iomgr/tcp_client.h" |
| |
| #include <errno.h> |
| #include <netinet/in.h> |
| #include <string.h> |
| #include <sys/socket.h> |
| #include <unistd.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_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++; |
| grpc_pollset_kick(g_pollset, NULL); |
| gpr_mu_unlock(g_mu); |
| } |
| |
| static void must_succeed(grpc_exec_ctx *exec_ctx, void *arg, bool success) { |
| GPR_ASSERT(g_connecting != NULL); |
| GPR_ASSERT(success); |
| grpc_endpoint_shutdown(exec_ctx, g_connecting); |
| grpc_endpoint_destroy(exec_ctx, g_connecting); |
| g_connecting = NULL; |
| finish_connection(); |
| } |
| |
| static void must_fail(grpc_exec_ctx *exec_ctx, void *arg, bool success) { |
| GPR_ASSERT(g_connecting == NULL); |
| GPR_ASSERT(!success); |
| finish_connection(); |
| } |
| |
| void test_succeeds(void) { |
| struct sockaddr_in addr; |
| socklen_t addr_len = sizeof(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(&addr, 0, sizeof(addr)); |
| 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, 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, &addr_len) == 0); |
| grpc_closure_init(&done, must_succeed, NULL); |
| grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, g_pollset_set, |
| (struct sockaddr *)&addr, addr_len, |
| gpr_inf_future(GPR_CLOCK_REALTIME)); |
| |
| /* await the connection */ |
| do { |
| addr_len = sizeof(addr); |
| r = accept(svr_fd, (struct sockaddr *)&addr, &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; |
| 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) { |
| struct sockaddr_in addr; |
| socklen_t addr_len = sizeof(addr); |
| int connections_complete_before; |
| grpc_closure done; |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| |
| gpr_log(GPR_DEBUG, "test_fails"); |
| |
| memset(&addr, 0, sizeof(addr)); |
| 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_tcp_client_connect(&exec_ctx, &done, &g_connecting, g_pollset_set, |
| (struct sockaddr *)&addr, addr_len, |
| 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(); |
| if (!grpc_timer_check(&exec_ctx, now, &polling_deadline)) { |
| grpc_pollset_work(&exec_ctx, g_pollset, &worker, now, polling_deadline); |
| } |
| 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, bool success) { |
| grpc_pollset_destroy(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_malloc(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(g_pollset_set); |
| grpc_closure_init(&destroyed, destroy_pollset, g_pollset); |
| grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed); |
| grpc_exec_ctx_finish(&exec_ctx); |
| grpc_shutdown(); |
| gpr_free(g_pollset); |
| return 0; |
| } |