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 | |
Craig Tiller | be95249 | 2015-08-25 16:59:00 -0700 | [diff] [blame^] | 42 | #include <grpc/grpc.h> |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 43 | #include <grpc/support/log.h> |
| 44 | #include <grpc/support/time.h> |
Craig Tiller | be95249 | 2015-08-25 16:59:00 -0700 | [diff] [blame^] | 45 | |
| 46 | #include "src/core/iomgr/iomgr.h" |
| 47 | #include "src/core/iomgr/socket_utils_posix.h" |
Craig Tiller | 8ad8a41 | 2015-02-25 08:36:40 -0800 | [diff] [blame] | 48 | #include "test/core/util/test_config.h" |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 49 | |
Craig Tiller | b1fa1d5 | 2015-05-11 10:27:53 -0700 | [diff] [blame] | 50 | static grpc_pollset_set g_pollset_set; |
| 51 | static grpc_pollset g_pollset; |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 52 | static int g_connections_complete = 0; |
Craig Tiller | b1fa1d5 | 2015-05-11 10:27:53 -0700 | [diff] [blame] | 53 | |
Craig Tiller | 32946d3 | 2015-01-15 11:37:30 -0800 | [diff] [blame] | 54 | static gpr_timespec test_deadline(void) { |
Craig Tiller | 8ad8a41 | 2015-02-25 08:36:40 -0800 | [diff] [blame] | 55 | return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 56 | } |
| 57 | |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 58 | static void finish_connection() { |
| 59 | gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset)); |
| 60 | g_connections_complete++; |
Craig Tiller | 5ddbb9d | 2015-07-29 15:58:11 -0700 | [diff] [blame] | 61 | grpc_pollset_kick(&g_pollset, NULL); |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 62 | gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset)); |
| 63 | } |
| 64 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 65 | static void must_succeed(void *arg, grpc_endpoint *tcp) { |
| 66 | GPR_ASSERT(tcp); |
| 67 | grpc_endpoint_shutdown(tcp); |
| 68 | grpc_endpoint_destroy(tcp); |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 69 | finish_connection(); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 70 | } |
| 71 | |
| 72 | static void must_fail(void *arg, grpc_endpoint *tcp) { |
| 73 | GPR_ASSERT(!tcp); |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 74 | finish_connection(); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 75 | } |
| 76 | |
Craig Tiller | 32946d3 | 2015-01-15 11:37:30 -0800 | [diff] [blame] | 77 | void test_succeeds(void) { |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 78 | struct sockaddr_in addr; |
| 79 | socklen_t addr_len = sizeof(addr); |
| 80 | int svr_fd; |
| 81 | int r; |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 82 | int connections_complete_before; |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 83 | |
Craig Tiller | e959335 | 2015-07-15 07:35:09 -0700 | [diff] [blame] | 84 | gpr_log(GPR_DEBUG, "test_succeeds"); |
| 85 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 86 | memset(&addr, 0, sizeof(addr)); |
| 87 | addr.sin_family = AF_INET; |
| 88 | |
| 89 | /* create a dummy server */ |
| 90 | svr_fd = socket(AF_INET, SOCK_STREAM, 0); |
| 91 | GPR_ASSERT(svr_fd >= 0); |
| 92 | GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr *)&addr, addr_len)); |
| 93 | GPR_ASSERT(0 == listen(svr_fd, 1)); |
| 94 | |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 95 | gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset)); |
| 96 | connections_complete_before = g_connections_complete; |
| 97 | gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset)); |
| 98 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 99 | /* connect to it */ |
| 100 | GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0); |
Craig Tiller | 9a57633 | 2015-06-17 10:21:49 -0700 | [diff] [blame] | 101 | grpc_tcp_client_connect(must_succeed, NULL, &g_pollset_set, |
Craig Tiller | 143e7bf | 2015-07-13 08:41:49 -0700 | [diff] [blame] | 102 | (struct sockaddr *)&addr, addr_len, |
| 103 | gpr_inf_future(GPR_CLOCK_REALTIME)); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 104 | |
| 105 | /* await the connection */ |
| 106 | do { |
| 107 | addr_len = sizeof(addr); |
| 108 | r = accept(svr_fd, (struct sockaddr *)&addr, &addr_len); |
| 109 | } while (r == -1 && errno == EINTR); |
| 110 | GPR_ASSERT(r >= 0); |
| 111 | close(r); |
| 112 | |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 113 | gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset)); |
| 114 | |
| 115 | while (g_connections_complete == connections_complete_before) { |
Craig Tiller | 5ddbb9d | 2015-07-29 15:58:11 -0700 | [diff] [blame] | 116 | grpc_pollset_worker worker; |
Craig Tiller | 4c06b82 | 2015-08-06 08:41:31 -0700 | [diff] [blame] | 117 | grpc_pollset_work(&g_pollset, &worker, gpr_now(GPR_CLOCK_MONOTONIC), |
| 118 | GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5)); |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 119 | } |
| 120 | |
| 121 | gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset)); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 122 | } |
| 123 | |
Craig Tiller | 32946d3 | 2015-01-15 11:37:30 -0800 | [diff] [blame] | 124 | void test_fails(void) { |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 125 | struct sockaddr_in addr; |
| 126 | socklen_t addr_len = sizeof(addr); |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 127 | int connections_complete_before; |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 128 | |
Craig Tiller | e959335 | 2015-07-15 07:35:09 -0700 | [diff] [blame] | 129 | gpr_log(GPR_DEBUG, "test_fails"); |
| 130 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 131 | memset(&addr, 0, sizeof(addr)); |
| 132 | addr.sin_family = AF_INET; |
| 133 | |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 134 | gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset)); |
| 135 | connections_complete_before = g_connections_complete; |
| 136 | gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset)); |
| 137 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 138 | /* connect to a broken address */ |
Craig Tiller | 9a57633 | 2015-06-17 10:21:49 -0700 | [diff] [blame] | 139 | grpc_tcp_client_connect(must_fail, NULL, &g_pollset_set, |
Craig Tiller | 143e7bf | 2015-07-13 08:41:49 -0700 | [diff] [blame] | 140 | (struct sockaddr *)&addr, addr_len, |
| 141 | gpr_inf_future(GPR_CLOCK_REALTIME)); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 142 | |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 143 | gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset)); |
| 144 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 145 | /* wait for the connection callback to finish */ |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 146 | while (g_connections_complete == connections_complete_before) { |
Craig Tiller | 5ddbb9d | 2015-07-29 15:58:11 -0700 | [diff] [blame] | 147 | grpc_pollset_worker worker; |
Craig Tiller | 4c06b82 | 2015-08-06 08:41:31 -0700 | [diff] [blame] | 148 | grpc_pollset_work(&g_pollset, &worker, gpr_now(GPR_CLOCK_MONOTONIC), |
| 149 | test_deadline()); |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 150 | } |
| 151 | |
| 152 | gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset)); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 153 | } |
| 154 | |
Craig Tiller | 32946d3 | 2015-01-15 11:37:30 -0800 | [diff] [blame] | 155 | void test_times_out(void) { |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 156 | struct sockaddr_in addr; |
| 157 | socklen_t addr_len = sizeof(addr); |
| 158 | int svr_fd; |
Craig Tiller | e959335 | 2015-07-15 07:35:09 -0700 | [diff] [blame] | 159 | #define NUM_CLIENT_CONNECTS 100 |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 160 | int client_fd[NUM_CLIENT_CONNECTS]; |
| 161 | int i; |
| 162 | int r; |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 163 | int connections_complete_before; |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 164 | gpr_timespec connect_deadline; |
| 165 | |
Craig Tiller | e959335 | 2015-07-15 07:35:09 -0700 | [diff] [blame] | 166 | gpr_log(GPR_DEBUG, "test_times_out"); |
| 167 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 168 | memset(&addr, 0, sizeof(addr)); |
| 169 | addr.sin_family = AF_INET; |
| 170 | |
| 171 | /* create a dummy server */ |
| 172 | svr_fd = socket(AF_INET, SOCK_STREAM, 0); |
| 173 | GPR_ASSERT(svr_fd >= 0); |
| 174 | GPR_ASSERT(0 == bind(svr_fd, (struct sockaddr *)&addr, addr_len)); |
| 175 | GPR_ASSERT(0 == listen(svr_fd, 1)); |
| 176 | /* Get its address */ |
| 177 | GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)&addr, &addr_len) == 0); |
| 178 | |
| 179 | /* tie up the listen buffer, which is somewhat arbitrarily sized. */ |
| 180 | for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) { |
Craig Tiller | 5d8fbe2 | 2015-01-21 16:33:54 -0800 | [diff] [blame] | 181 | client_fd[i] = socket(AF_INET, SOCK_STREAM, 0); |
Yang Gao | 5fd0d29 | 2015-01-26 00:19:48 -0800 | [diff] [blame] | 182 | grpc_set_socket_nonblocking(client_fd[i], 1); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 183 | do { |
| 184 | r = connect(client_fd[i], (struct sockaddr *)&addr, addr_len); |
| 185 | } while (r == -1 && errno == EINTR); |
| 186 | GPR_ASSERT(r < 0); |
| 187 | GPR_ASSERT(errno == EWOULDBLOCK || errno == EINPROGRESS); |
| 188 | } |
| 189 | |
| 190 | /* connect to dummy server address */ |
| 191 | |
Craig Tiller | 8ad8a41 | 2015-02-25 08:36:40 -0800 | [diff] [blame] | 192 | connect_deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 193 | |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 194 | gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset)); |
| 195 | connections_complete_before = g_connections_complete; |
| 196 | gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset)); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 197 | |
Craig Tiller | 9a57633 | 2015-06-17 10:21:49 -0700 | [diff] [blame] | 198 | grpc_tcp_client_connect(must_fail, NULL, &g_pollset_set, |
| 199 | (struct sockaddr *)&addr, addr_len, connect_deadline); |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 200 | |
| 201 | /* Make sure the event doesn't trigger early */ |
| 202 | gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset)); |
Craig Tiller | be95249 | 2015-08-25 16:59:00 -0700 | [diff] [blame^] | 203 | for (;;) { |
Craig Tiller | 5ddbb9d | 2015-07-29 15:58:11 -0700 | [diff] [blame] | 204 | grpc_pollset_worker worker; |
Craig Tiller | be95249 | 2015-08-25 16:59:00 -0700 | [diff] [blame^] | 205 | gpr_timespec now = gpr_now(connect_deadline.clock_type); |
| 206 | gpr_timespec continue_verifying_time = gpr_time_from_seconds(2, GPR_TIMESPAN); |
| 207 | gpr_timespec grace_time = gpr_time_from_seconds(1, GPR_TIMESPAN); |
| 208 | gpr_timespec finish_time = gpr_time_add(connect_deadline, continue_verifying_time); |
| 209 | gpr_timespec restart_verifying_time = gpr_time_add(connect_deadline, grace_time); |
| 210 | int is_after_deadline = gpr_time_cmp(now, connect_deadline) > 0; |
| 211 | if (gpr_time_cmp(now, finish_time) > 0) { |
| 212 | break; |
| 213 | } |
| 214 | gpr_log(GPR_DEBUG, "now=%d.%09d connect_deadline=%d.%09d", |
| 215 | now.tv_sec, now.tv_nsec, connect_deadline.tv_sec, connect_deadline.tv_nsec); |
Craig Tiller | 9a57633 | 2015-06-17 10:21:49 -0700 | [diff] [blame] | 216 | if (is_after_deadline && |
Craig Tiller | be95249 | 2015-08-25 16:59:00 -0700 | [diff] [blame^] | 217 | gpr_time_cmp(now, restart_verifying_time) <= 0) { |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 218 | /* allow some slack before insisting that things be done */ |
| 219 | } else { |
Craig Tiller | 9a57633 | 2015-06-17 10:21:49 -0700 | [diff] [blame] | 220 | GPR_ASSERT(g_connections_complete == |
| 221 | connections_complete_before + is_after_deadline); |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 222 | } |
Craig Tiller | 4c06b82 | 2015-08-06 08:41:31 -0700 | [diff] [blame] | 223 | grpc_pollset_work(&g_pollset, &worker, gpr_now(GPR_CLOCK_MONOTONIC), |
| 224 | GRPC_TIMEOUT_MILLIS_TO_DEADLINE(10)); |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 225 | } |
| 226 | gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset)); |
| 227 | |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 228 | close(svr_fd); |
| 229 | for (i = 0; i < NUM_CLIENT_CONNECTS; ++i) { |
| 230 | close(client_fd[i]); |
| 231 | } |
| 232 | } |
| 233 | |
Craig Tiller | 9a57633 | 2015-06-17 10:21:49 -0700 | [diff] [blame] | 234 | static void destroy_pollset(void *p) { grpc_pollset_destroy(p); } |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 235 | |
Craig Tiller | 8ad8a41 | 2015-02-25 08:36:40 -0800 | [diff] [blame] | 236 | int main(int argc, char **argv) { |
| 237 | grpc_test_init(argc, argv); |
Craig Tiller | be95249 | 2015-08-25 16:59:00 -0700 | [diff] [blame^] | 238 | grpc_init(); |
Craig Tiller | b1fa1d5 | 2015-05-11 10:27:53 -0700 | [diff] [blame] | 239 | grpc_pollset_set_init(&g_pollset_set); |
| 240 | grpc_pollset_init(&g_pollset); |
| 241 | grpc_pollset_set_add_pollset(&g_pollset_set, &g_pollset); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 242 | test_succeeds(); |
David Klempner | baced4d | 2015-02-10 17:10:15 -0800 | [diff] [blame] | 243 | gpr_log(GPR_ERROR, "End of first test"); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 244 | test_fails(); |
| 245 | test_times_out(); |
Craig Tiller | b1fa1d5 | 2015-05-11 10:27:53 -0700 | [diff] [blame] | 246 | grpc_pollset_set_destroy(&g_pollset_set); |
Craig Tiller | cb63a9b | 2015-05-13 09:52:36 -0700 | [diff] [blame] | 247 | grpc_pollset_shutdown(&g_pollset, destroy_pollset, &g_pollset); |
Craig Tiller | be95249 | 2015-08-25 16:59:00 -0700 | [diff] [blame^] | 248 | grpc_shutdown(); |
ctiller | 18b49ab | 2014-12-09 14:39:16 -0800 | [diff] [blame] | 249 | return 0; |
Craig Tiller | 190d360 | 2015-02-18 09:23:38 -0800 | [diff] [blame] | 250 | } |