| /* |
| * |
| * Copyright 2014, 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/iomgr/tcp_client.h" |
| |
| #include <errno.h> |
| #include <netinet/in.h> |
| #include <string.h> |
| #include <sys/socket.h> |
| #include <unistd.h> |
| |
| #include "src/core/iomgr/iomgr.h" |
| #include <grpc/support/log.h> |
| #include <grpc/support/time.h> |
| |
| static gpr_timespec test_deadline() { |
| return gpr_time_add(gpr_now(), gpr_time_from_seconds(10)); |
| } |
| |
| static void must_succeed(void *arg, grpc_endpoint *tcp) { |
| GPR_ASSERT(tcp); |
| grpc_endpoint_shutdown(tcp); |
| grpc_endpoint_destroy(tcp); |
| gpr_event_set(arg, (void *)1); |
| } |
| |
| static void must_fail(void *arg, grpc_endpoint *tcp) { |
| GPR_ASSERT(!tcp); |
| gpr_event_set(arg, (void *)1); |
| } |
| |
| void test_succeeds() { |
| struct sockaddr_in addr; |
| socklen_t addr_len = sizeof(addr); |
| int svr_fd; |
| int r; |
| gpr_event ev; |
| |
| gpr_event_init(&ev); |
| |
| 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)); |
| |
| /* connect to it */ |
| GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0); |
| grpc_tcp_client_connect(must_succeed, &ev, (struct sockaddr *)&addr, addr_len, |
| gpr_inf_future); |
| |
| /* 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); |
| |
| /* wait for the connection callback to finish */ |
| GPR_ASSERT(gpr_event_wait(&ev, test_deadline())); |
| } |
| |
| void test_fails() { |
| struct sockaddr_in addr; |
| socklen_t addr_len = sizeof(addr); |
| gpr_event ev; |
| |
| gpr_event_init(&ev); |
| |
| memset(&addr, 0, sizeof(addr)); |
| addr.sin_family = AF_INET; |
| |
| /* connect to a broken address */ |
| grpc_tcp_client_connect(must_fail, &ev, (struct sockaddr *)&addr, addr_len, |
| gpr_inf_future); |
| |
| /* wait for the connection callback to finish */ |
| GPR_ASSERT(gpr_event_wait(&ev, test_deadline())); |
| } |
| |
| void test_times_out() { |
| struct sockaddr_in addr; |
| socklen_t addr_len = sizeof(addr); |
| int svr_fd; |
| #define NUM_CLIENT_CONNECTS 10 |
| int client_fd[NUM_CLIENT_CONNECTS]; |
| int i; |
| int r; |
| gpr_event ev; |
| gpr_timespec connect_deadline; |
| |
| gpr_event_init(&ev); |
| |
| 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)); |
| /* Get its address */ |
| GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0); |
| |
| /* tie up the listen buffer, which is somewhat arbitrarily sized. */ |
| for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) { |
| client_fd[i] = socket(AF_INET, SOCK_STREAM | SOCK_NONBLOCK, 0); |
| do { |
| r = connect(client_fd[i], (struct sockaddr *)&addr, addr_len); |
| } while (r == -1 && errno == EINTR); |
| GPR_ASSERT(r < 0); |
| GPR_ASSERT(errno == EWOULDBLOCK || errno == EINPROGRESS); |
| } |
| |
| /* connect to dummy server address */ |
| |
| connect_deadline = gpr_time_add(gpr_now(), gpr_time_from_micros(1000000)); |
| |
| grpc_tcp_client_connect(must_fail, &ev, (struct sockaddr *)&addr, addr_len, |
| connect_deadline); |
| /* Make sure the event doesn't trigger early */ |
| GPR_ASSERT(!gpr_event_wait( |
| &ev, gpr_time_add(gpr_now(), gpr_time_from_micros(500000)))); |
| /* Now wait until it should have triggered */ |
| sleep(1); |
| |
| /* wait for the connection callback to finish */ |
| GPR_ASSERT(gpr_event_wait(&ev, test_deadline())); |
| close(svr_fd); |
| for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) { |
| close(client_fd[i]); |
| } |
| } |
| |
| int main(void) { |
| grpc_iomgr_init(); |
| test_succeeds(); |
| test_fails(); |
| test_times_out(); |
| grpc_iomgr_shutdown(); |
| return 0; |
| } |