ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 0605995 | 2015-02-18 08:34:56 -0800 | [diff] [blame] | 3 | * Copyright 2015, Google Inc. |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #include "src/core/iomgr/tcp_client.h" |
| 35 | |
| 36 | #include <errno.h> |
| 37 | #include <netinet/in.h> |
| 38 | #include <string.h> |
| 39 | #include <sys/socket.h> |
| 40 | #include <unistd.h> |
| 41 | |
| 42 | #include "src/core/iomgr/iomgr.h" |
Craig Tiller | 5d8fbe2 | 2015-01-21 16:33:54 -0800 | [diff] [blame] | 43 | #include "src/core/iomgr/socket_utils_posix.h" |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 44 | #include <grpc/support/log.h> |
| 45 | #include <grpc/support/time.h> |
Craig Tiller | 8ad8a41 | 2015-02-25 08:36:40 -0800 | [diff] [blame] | 46 | #include "test/core/util/test_config.h" |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 47 | |
Craig Tiller | b1fa1d5 | 2015-05-11 10:27:53 -0700 | [diff] [blame] | 48 | static grpc_pollset_set g_pollset_set; |
| 49 | static grpc_pollset g_pollset; |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 50 | static int g_connections_complete = 0; |
Craig Tiller | b1fa1d5 | 2015-05-11 10:27:53 -0700 | [diff] [blame] | 51 | |
Craig Tiller | 32946d3 | 2015-01-15 11:37:30 -0800 | [diff] [blame] | 52 | static gpr_timespec test_deadline(void) { |
Craig Tiller | 8ad8a41 | 2015-02-25 08:36:40 -0800 | [diff] [blame] | 53 | return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 54 | } |
| 55 | |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 56 | static void finish_connection() { |
| 57 | gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset)); |
| 58 | g_connections_complete++; |
| 59 | grpc_pollset_kick(&g_pollset); |
| 60 | gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset)); |
| 61 | } |
| 62 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 63 | static void must_succeed(void *arg, grpc_endpoint *tcp) { |
| 64 | GPR_ASSERT(tcp); |
| 65 | grpc_endpoint_shutdown(tcp); |
| 66 | grpc_endpoint_destroy(tcp); |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 67 | finish_connection(); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | static void must_fail(void *arg, grpc_endpoint *tcp) { |
| 71 | GPR_ASSERT(!tcp); |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 72 | finish_connection(); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 73 | } |
| 74 | |
Craig Tiller | 32946d3 | 2015-01-15 11:37:30 -0800 | [diff] [blame] | 75 | void test_succeeds(void) { |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 76 | struct sockaddr_in addr; |
| 77 | socklen_t addr_len = sizeof(addr); |
| 78 | int svr_fd; |
| 79 | int r; |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 80 | int connections_complete_before; |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 81 | |
| 82 | memset(&addr, 0, sizeof(addr)); |
| 83 | addr.sin_family = AF_INET; |
| 84 | |
| 85 | /* create a dummy server */ |
| 86 | svr_fd = socket(AF_INET, SOCK_STREAM, 0); |
| 87 | GPR_ASSERT(svr_fd >= 0); |
| 88 | GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr *)&addr, addr_len)); |
| 89 | GPR_ASSERT(0 == listen(svr_fd, 1)); |
| 90 | |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 91 | gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset)); |
| 92 | connections_complete_before = g_connections_complete; |
| 93 | gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset)); |
| 94 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 95 | /* connect to it */ |
| 96 | GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0); |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 97 | grpc_tcp_client_connect(must_succeed, NULL, &g_pollset_set, (struct sockaddr *)&addr, addr_len, |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 98 | gpr_inf_future); |
| 99 | |
| 100 | /* await the connection */ |
| 101 | do { |
| 102 | addr_len = sizeof(addr); |
| 103 | r = accept(svr_fd, (struct sockaddr *)&addr, &addr_len); |
| 104 | } while (r == -1 && errno == EINTR); |
| 105 | GPR_ASSERT(r >= 0); |
| 106 | close(r); |
| 107 | |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 108 | gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset)); |
| 109 | |
| 110 | while (g_connections_complete == connections_complete_before) { |
| 111 | grpc_pollset_work(&g_pollset, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5)); |
| 112 | } |
| 113 | |
| 114 | gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset)); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 115 | } |
| 116 | |
Craig Tiller | 32946d3 | 2015-01-15 11:37:30 -0800 | [diff] [blame] | 117 | void test_fails(void) { |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 118 | struct sockaddr_in addr; |
| 119 | socklen_t addr_len = sizeof(addr); |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 120 | int connections_complete_before; |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 121 | |
| 122 | memset(&addr, 0, sizeof(addr)); |
| 123 | addr.sin_family = AF_INET; |
| 124 | |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 125 | gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset)); |
| 126 | connections_complete_before = g_connections_complete; |
| 127 | gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset)); |
| 128 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 129 | /* connect to a broken address */ |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 130 | grpc_tcp_client_connect(must_fail, NULL, &g_pollset_set, (struct sockaddr *)&addr, addr_len, |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 131 | gpr_inf_future); |
| 132 | |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 133 | gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset)); |
| 134 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 135 | /* wait for the connection callback to finish */ |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 136 | while (g_connections_complete == connections_complete_before) { |
| 137 | grpc_pollset_work(&g_pollset, test_deadline()); |
| 138 | } |
| 139 | |
| 140 | gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset)); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 141 | } |
| 142 | |
Craig Tiller | 32946d3 | 2015-01-15 11:37:30 -0800 | [diff] [blame] | 143 | void test_times_out(void) { |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 144 | struct sockaddr_in addr; |
| 145 | socklen_t addr_len = sizeof(addr); |
| 146 | int svr_fd; |
| 147 | #define NUM_CLIENT_CONNECTS 10 |
| 148 | int client_fd[NUM_CLIENT_CONNECTS]; |
| 149 | int i; |
| 150 | int r; |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 151 | int connections_complete_before; |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 152 | gpr_timespec connect_deadline; |
| 153 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 154 | memset(&addr, 0, sizeof(addr)); |
| 155 | addr.sin_family = AF_INET; |
| 156 | |
| 157 | /* create a dummy server */ |
| 158 | svr_fd = socket(AF_INET, SOCK_STREAM, 0); |
| 159 | GPR_ASSERT(svr_fd >= 0); |
| 160 | GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr *)&addr, addr_len)); |
| 161 | GPR_ASSERT(0 == listen(svr_fd, 1)); |
| 162 | /* Get its address */ |
| 163 | GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0); |
| 164 | |
| 165 | /* tie up the listen buffer, which is somewhat arbitrarily sized. */ |
| 166 | for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) { |
Craig Tiller | 5d8fbe2 | 2015-01-21 16:33:54 -0800 | [diff] [blame] | 167 | client_fd[i] = socket(AF_INET, SOCK_STREAM, 0); |
Yang Gao | 5fd0d29 | 2015-01-26 00:19:48 -0800 | [diff] [blame] | 168 | grpc_set_socket_nonblocking(client_fd[i], 1); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 169 | do { |
| 170 | r = connect(client_fd[i], (struct sockaddr *)&addr, addr_len); |
| 171 | } while (r == -1 && errno == EINTR); |
| 172 | GPR_ASSERT(r < 0); |
| 173 | GPR_ASSERT(errno == EWOULDBLOCK || errno == EINPROGRESS); |
| 174 | } |
| 175 | |
| 176 | /* connect to dummy server address */ |
| 177 | |
Craig Tiller | 8ad8a41 | 2015-02-25 08:36:40 -0800 | [diff] [blame] | 178 | connect_deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 179 | |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 180 | gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset)); |
| 181 | connections_complete_before = g_connections_complete; |
| 182 | gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset)); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 183 | |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 184 | grpc_tcp_client_connect(must_fail, NULL, &g_pollset_set, (struct sockaddr *)&addr, addr_len, |
| 185 | connect_deadline); |
| 186 | |
| 187 | /* Make sure the event doesn't trigger early */ |
| 188 | gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset)); |
| 189 | while (gpr_time_cmp(gpr_time_add(connect_deadline, gpr_time_from_seconds(2)), gpr_now()) > 0) { |
| 190 | int is_after_deadline = gpr_time_cmp(connect_deadline, gpr_now()) <= 0; |
| 191 | if (is_after_deadline && gpr_time_cmp(gpr_time_add(connect_deadline, gpr_time_from_seconds(1)), gpr_now()) > 0) { |
| 192 | /* allow some slack before insisting that things be done */ |
| 193 | } else { |
| 194 | GPR_ASSERT(g_connections_complete == connections_complete_before + is_after_deadline); |
| 195 | } |
| 196 | grpc_pollset_work(&g_pollset, GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10)); |
| 197 | } |
| 198 | gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset)); |
| 199 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 200 | close(svr_fd); |
| 201 | for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) { |
| 202 | close(client_fd[i]); |
| 203 | } |
| 204 | } |
| 205 | |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 206 | static void destroy_pollset(void *p) { |
| 207 | grpc_pollset_destroy(p); |
| 208 | } |
| 209 | |
Craig Tiller | 8ad8a41 | 2015-02-25 08:36:40 -0800 | [diff] [blame] | 210 | int main(int argc, char **argv) { |
| 211 | grpc_test_init(argc, argv); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 212 | grpc_iomgr_init(); |
Craig Tiller | b1fa1d5 | 2015-05-11 10:27:53 -0700 | [diff] [blame] | 213 | grpc_pollset_set_init(&g_pollset_set); |
| 214 | grpc_pollset_init(&g_pollset); |
| 215 | grpc_pollset_set_add_pollset(&g_pollset_set, &g_pollset); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 216 | test_succeeds(); |
David Klempner | baced4d | 2015-02-10 17:10:15 -0800 | [diff] [blame] | 217 | gpr_log(GPR_ERROR, "End of first test"); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 218 | test_fails(); |
| 219 | test_times_out(); |
Craig Tiller | b1fa1d5 | 2015-05-11 10:27:53 -0700 | [diff] [blame] | 220 | grpc_pollset_set_destroy(&g_pollset_set); |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame^] | 221 | grpc_pollset_shutdown(&g_pollset, destroy_pollset, &g_pollset); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 222 | grpc_iomgr_shutdown(); |
| 223 | return 0; |
Craig Tiller | 190d360 | 2015-02-18 09:23:38 -0800 | [diff] [blame] | 224 | } |