murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2015, Google Inc. |
| 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/lib/iomgr/port.h" |
| 35 | |
| 36 | #ifdef GRPC_UV |
| 37 | |
| 38 | #include <string.h> |
| 39 | |
| 40 | #include <grpc/support/alloc.h> |
| 41 | #include <grpc/support/log.h> |
| 42 | |
| 43 | #include "src/core/lib/iomgr/error.h" |
| 44 | #include "src/core/lib/iomgr/exec_ctx.h" |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 45 | #include "src/core/lib/iomgr/sockaddr.h" |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 46 | #include "src/core/lib/iomgr/sockaddr_utils.h" |
| 47 | #include "src/core/lib/iomgr/tcp_server.h" |
| 48 | #include "src/core/lib/iomgr/tcp_uv.h" |
| 49 | |
| 50 | /* one listening port */ |
| 51 | typedef struct grpc_tcp_listener grpc_tcp_listener; |
| 52 | struct grpc_tcp_listener { |
| 53 | uv_tcp_t *handle; |
| 54 | grpc_tcp_server *server; |
| 55 | unsigned port_index; |
| 56 | int port; |
| 57 | /* linked list */ |
| 58 | struct grpc_tcp_listener *next; |
| 59 | }; |
| 60 | |
| 61 | struct grpc_tcp_server { |
| 62 | gpr_refcount refs; |
| 63 | |
| 64 | /* Called whenever accept() succeeds on a server port. */ |
| 65 | grpc_tcp_server_cb on_accept_cb; |
| 66 | void *on_accept_cb_arg; |
| 67 | |
| 68 | int open_ports; |
| 69 | |
| 70 | /* linked list of server ports */ |
| 71 | grpc_tcp_listener *head; |
| 72 | grpc_tcp_listener *tail; |
| 73 | |
| 74 | /* List of closures passed to shutdown_starting_add(). */ |
| 75 | grpc_closure_list shutdown_starting; |
| 76 | |
| 77 | /* shutdown callback */ |
| 78 | grpc_closure *shutdown_complete; |
murgatroid99 | 69259d4 | 2016-10-31 14:34:10 -0700 | [diff] [blame] | 79 | |
| 80 | grpc_resource_quota *resource_quota; |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 81 | }; |
| 82 | |
murgatroid99 | 69259d4 | 2016-10-31 14:34:10 -0700 | [diff] [blame] | 83 | grpc_error *grpc_tcp_server_create(grpc_exec_ctx *exec_ctx, |
| 84 | grpc_closure *shutdown_complete, |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 85 | const grpc_channel_args *args, |
| 86 | grpc_tcp_server **server) { |
| 87 | grpc_tcp_server *s = gpr_malloc(sizeof(grpc_tcp_server)); |
murgatroid99 | 69259d4 | 2016-10-31 14:34:10 -0700 | [diff] [blame] | 88 | s->resource_quota = grpc_resource_quota_create(NULL); |
| 89 | for (size_t i = 0; i < (args == NULL ? 0 : args->num_args); i++) { |
| 90 | if (0 == strcmp(GRPC_ARG_RESOURCE_QUOTA, args->args[i].key)) { |
| 91 | if (args->args[i].type == GRPC_ARG_POINTER) { |
Craig Tiller | 5883376 | 2016-12-06 19:36:23 -0800 | [diff] [blame] | 92 | grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); |
murgatroid99 | 69259d4 | 2016-10-31 14:34:10 -0700 | [diff] [blame] | 93 | s->resource_quota = |
Craig Tiller | 5883376 | 2016-12-06 19:36:23 -0800 | [diff] [blame] | 94 | grpc_resource_quota_ref_internal(args->args[i].value.pointer.p); |
murgatroid99 | 69259d4 | 2016-10-31 14:34:10 -0700 | [diff] [blame] | 95 | } else { |
Craig Tiller | 5883376 | 2016-12-06 19:36:23 -0800 | [diff] [blame] | 96 | grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); |
murgatroid99 | 69259d4 | 2016-10-31 14:34:10 -0700 | [diff] [blame] | 97 | gpr_free(s); |
| 98 | return GRPC_ERROR_CREATE(GRPC_ARG_RESOURCE_QUOTA |
| 99 | " must be a pointer to a buffer pool"); |
| 100 | } |
| 101 | } |
| 102 | } |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 103 | gpr_ref_init(&s->refs, 1); |
| 104 | s->on_accept_cb = NULL; |
| 105 | s->on_accept_cb_arg = NULL; |
| 106 | s->open_ports = 0; |
| 107 | s->head = NULL; |
| 108 | s->tail = NULL; |
| 109 | s->shutdown_starting.head = NULL; |
| 110 | s->shutdown_starting.tail = NULL; |
| 111 | s->shutdown_complete = shutdown_complete; |
| 112 | *server = s; |
| 113 | return GRPC_ERROR_NONE; |
| 114 | } |
| 115 | |
| 116 | grpc_tcp_server *grpc_tcp_server_ref(grpc_tcp_server *s) { |
| 117 | gpr_ref(&s->refs); |
| 118 | return s; |
| 119 | } |
| 120 | |
| 121 | void grpc_tcp_server_shutdown_starting_add(grpc_tcp_server *s, |
| 122 | grpc_closure *shutdown_starting) { |
| 123 | grpc_closure_list_append(&s->shutdown_starting, shutdown_starting, |
| 124 | GRPC_ERROR_NONE); |
| 125 | } |
| 126 | |
| 127 | static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { |
| 128 | if (s->shutdown_complete != NULL) { |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 129 | grpc_closure_sched(exec_ctx, s->shutdown_complete, GRPC_ERROR_NONE); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | while (s->head) { |
| 133 | grpc_tcp_listener *sp = s->head; |
| 134 | s->head = sp->next; |
| 135 | sp->next = NULL; |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 136 | gpr_free(sp->handle); |
| 137 | gpr_free(sp); |
| 138 | } |
Craig Tiller | 5883376 | 2016-12-06 19:36:23 -0800 | [diff] [blame] | 139 | grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 140 | gpr_free(s); |
| 141 | } |
| 142 | |
| 143 | static void handle_close_callback(uv_handle_t *handle) { |
| 144 | grpc_tcp_listener *sp = (grpc_tcp_listener *)handle->data; |
| 145 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| 146 | sp->server->open_ports--; |
| 147 | if (sp->server->open_ports == 0) { |
| 148 | finish_shutdown(&exec_ctx, sp->server); |
| 149 | } |
| 150 | grpc_exec_ctx_finish(&exec_ctx); |
| 151 | } |
| 152 | |
| 153 | static void tcp_server_destroy(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { |
| 154 | int immediately_done = 0; |
| 155 | grpc_tcp_listener *sp; |
| 156 | |
| 157 | if (s->open_ports == 0) { |
| 158 | immediately_done = 1; |
| 159 | } |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 160 | for (sp = s->head; sp; sp = sp->next) { |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 161 | uv_close((uv_handle_t *)sp->handle, handle_close_callback); |
| 162 | } |
| 163 | |
| 164 | if (immediately_done) { |
| 165 | finish_shutdown(exec_ctx, s); |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | void grpc_tcp_server_unref(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { |
| 170 | if (gpr_unref(&s->refs)) { |
| 171 | /* Complete shutdown_starting work before destroying. */ |
| 172 | grpc_exec_ctx local_exec_ctx = GRPC_EXEC_CTX_INIT; |
Craig Tiller | aef521c | 2017-01-03 09:13:36 -0800 | [diff] [blame] | 173 | grpc_closure_list_sched(&local_exec_ctx, &s->shutdown_starting); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 174 | if (exec_ctx == NULL) { |
| 175 | grpc_exec_ctx_flush(&local_exec_ctx); |
| 176 | tcp_server_destroy(&local_exec_ctx, s); |
| 177 | grpc_exec_ctx_finish(&local_exec_ctx); |
| 178 | } else { |
| 179 | grpc_exec_ctx_finish(&local_exec_ctx); |
| 180 | tcp_server_destroy(exec_ctx, s); |
| 181 | } |
| 182 | } |
| 183 | } |
| 184 | |
murgatroid99 | 2c287ca | 2016-10-07 09:55:35 -0700 | [diff] [blame] | 185 | static void accepted_connection_close_cb(uv_handle_t *handle) { |
| 186 | gpr_free(handle); |
| 187 | } |
| 188 | |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 189 | static void on_connect(uv_stream_t *server, int status) { |
| 190 | grpc_tcp_listener *sp = (grpc_tcp_listener *)server->data; |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 191 | uv_tcp_t *client; |
| 192 | grpc_endpoint *ep = NULL; |
| 193 | grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 194 | grpc_resolved_address peer_name; |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 195 | char *peer_name_string; |
| 196 | int err; |
| 197 | |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 198 | if (status < 0) { |
| 199 | gpr_log(GPR_INFO, "Skipping on_accept due to error: %s", |
| 200 | uv_strerror(status)); |
| 201 | return; |
| 202 | } |
Mark D. Roth | eed3815 | 2016-12-08 13:59:13 -0800 | [diff] [blame] | 203 | |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 204 | client = gpr_malloc(sizeof(uv_tcp_t)); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 205 | uv_tcp_init(uv_default_loop(), client); |
| 206 | // UV documentation says this is guaranteed to succeed |
| 207 | uv_accept((uv_stream_t *)server, (uv_stream_t *)client); |
murgatroid99 | 2c287ca | 2016-10-07 09:55:35 -0700 | [diff] [blame] | 208 | // If the server has not been started, we discard incoming connections |
| 209 | if (sp->server->on_accept_cb == NULL) { |
| 210 | uv_close((uv_handle_t *)client, accepted_connection_close_cb); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 211 | } else { |
murgatroid99 | 2c287ca | 2016-10-07 09:55:35 -0700 | [diff] [blame] | 212 | peer_name_string = NULL; |
| 213 | memset(&peer_name, 0, sizeof(grpc_resolved_address)); |
| 214 | peer_name.len = sizeof(struct sockaddr_storage); |
| 215 | err = uv_tcp_getpeername(client, (struct sockaddr *)&peer_name.addr, |
| 216 | (int *)&peer_name.len); |
| 217 | if (err == 0) { |
| 218 | peer_name_string = grpc_sockaddr_to_uri(&peer_name); |
| 219 | } else { |
| 220 | gpr_log(GPR_INFO, "uv_tcp_getpeername error: %s", uv_strerror(status)); |
| 221 | } |
murgatroid99 | 69259d4 | 2016-10-31 14:34:10 -0700 | [diff] [blame] | 222 | ep = grpc_tcp_create(client, sp->server->resource_quota, peer_name_string); |
Mark D. Roth | 6c07bf8 | 2016-12-09 08:38:38 -0800 | [diff] [blame] | 223 | // Create acceptor. |
| 224 | grpc_tcp_server_acceptor *acceptor = gpr_malloc(sizeof(*acceptor)); |
| 225 | acceptor->from_server = sp->server; |
| 226 | acceptor->port_index = sp->port_index; |
| 227 | acceptor->fd_index = 0; |
murgatroid99 | 2c287ca | 2016-10-07 09:55:35 -0700 | [diff] [blame] | 228 | sp->server->on_accept_cb(&exec_ctx, sp->server->on_accept_cb_arg, ep, NULL, |
Mark D. Roth | eed3815 | 2016-12-08 13:59:13 -0800 | [diff] [blame] | 229 | acceptor); |
murgatroid99 | 2c287ca | 2016-10-07 09:55:35 -0700 | [diff] [blame] | 230 | grpc_exec_ctx_finish(&exec_ctx); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 231 | } |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 232 | } |
| 233 | |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 234 | static grpc_error *add_socket_to_server(grpc_tcp_server *s, uv_tcp_t *handle, |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 235 | const grpc_resolved_address *addr, |
| 236 | unsigned port_index, |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 237 | grpc_tcp_listener **listener) { |
| 238 | grpc_tcp_listener *sp = NULL; |
| 239 | int port = -1; |
| 240 | int status; |
| 241 | grpc_error *error; |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 242 | grpc_resolved_address sockname_temp; |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 243 | |
| 244 | // The last argument to uv_tcp_bind is flags |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 245 | status = uv_tcp_bind(handle, (struct sockaddr *)addr->addr, 0); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 246 | if (status != 0) { |
| 247 | error = GRPC_ERROR_CREATE("Failed to bind to port"); |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 248 | error = |
| 249 | grpc_error_set_str(error, GRPC_ERROR_STR_OS_ERROR, uv_strerror(status)); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 250 | return error; |
| 251 | } |
| 252 | |
murgatroid99 | 2c287ca | 2016-10-07 09:55:35 -0700 | [diff] [blame] | 253 | status = uv_listen((uv_stream_t *)handle, SOMAXCONN, on_connect); |
| 254 | if (status != 0) { |
| 255 | error = GRPC_ERROR_CREATE("Failed to listen to port"); |
| 256 | error = |
| 257 | grpc_error_set_str(error, GRPC_ERROR_STR_OS_ERROR, uv_strerror(status)); |
| 258 | return error; |
| 259 | } |
| 260 | |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 261 | sockname_temp.len = (int)sizeof(struct sockaddr_storage); |
| 262 | status = uv_tcp_getsockname(handle, (struct sockaddr *)&sockname_temp.addr, |
| 263 | (int *)&sockname_temp.len); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 264 | if (status != 0) { |
| 265 | error = GRPC_ERROR_CREATE("getsockname failed"); |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 266 | error = |
| 267 | grpc_error_set_str(error, GRPC_ERROR_STR_OS_ERROR, uv_strerror(status)); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 268 | return error; |
| 269 | } |
| 270 | |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 271 | port = grpc_sockaddr_get_port(&sockname_temp); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 272 | |
| 273 | GPR_ASSERT(port >= 0); |
| 274 | GPR_ASSERT(!s->on_accept_cb && "must add ports before starting server"); |
| 275 | sp = gpr_malloc(sizeof(grpc_tcp_listener)); |
| 276 | sp->next = NULL; |
| 277 | if (s->head == NULL) { |
| 278 | s->head = sp; |
| 279 | } else { |
| 280 | s->tail->next = sp; |
| 281 | } |
| 282 | s->tail = sp; |
| 283 | sp->server = s; |
| 284 | sp->handle = handle; |
| 285 | sp->port = port; |
| 286 | sp->port_index = port_index; |
| 287 | handle->data = sp; |
| 288 | s->open_ports++; |
| 289 | GPR_ASSERT(sp->handle); |
| 290 | *listener = sp; |
| 291 | |
| 292 | return GRPC_ERROR_NONE; |
| 293 | } |
| 294 | |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 295 | grpc_error *grpc_tcp_server_add_port(grpc_tcp_server *s, |
| 296 | const grpc_resolved_address *addr, |
| 297 | int *port) { |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 298 | // This function is mostly copied from tcp_server_windows.c |
| 299 | grpc_tcp_listener *sp = NULL; |
| 300 | uv_tcp_t *handle; |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 301 | grpc_resolved_address addr6_v4mapped; |
| 302 | grpc_resolved_address wildcard; |
| 303 | grpc_resolved_address *allocated_addr = NULL; |
| 304 | grpc_resolved_address sockname_temp; |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 305 | unsigned port_index = 0; |
| 306 | int status; |
| 307 | grpc_error *error = GRPC_ERROR_NONE; |
| 308 | |
| 309 | if (s->tail != NULL) { |
| 310 | port_index = s->tail->port_index + 1; |
| 311 | } |
| 312 | |
| 313 | /* Check if this is a wildcard port, and if so, try to keep the port the same |
| 314 | as some previously created listener. */ |
| 315 | if (grpc_sockaddr_get_port(addr) == 0) { |
| 316 | for (sp = s->head; sp; sp = sp->next) { |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 317 | sockname_temp.len = sizeof(struct sockaddr_storage); |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 318 | if (0 == uv_tcp_getsockname(sp->handle, |
| 319 | (struct sockaddr *)&sockname_temp.addr, |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 320 | (int *)&sockname_temp.len)) { |
| 321 | *port = grpc_sockaddr_get_port(&sockname_temp); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 322 | if (*port > 0) { |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 323 | allocated_addr = gpr_malloc(sizeof(grpc_resolved_address)); |
| 324 | memcpy(allocated_addr, addr, sizeof(grpc_resolved_address)); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 325 | grpc_sockaddr_set_port(allocated_addr, *port); |
| 326 | addr = allocated_addr; |
| 327 | break; |
| 328 | } |
| 329 | } |
| 330 | } |
| 331 | } |
| 332 | |
| 333 | if (grpc_sockaddr_to_v4mapped(addr, &addr6_v4mapped)) { |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 334 | addr = &addr6_v4mapped; |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 335 | } |
| 336 | |
| 337 | /* Treat :: or 0.0.0.0 as a family-agnostic wildcard. */ |
| 338 | if (grpc_sockaddr_is_wildcard(addr, port)) { |
| 339 | grpc_sockaddr_make_wildcard6(*port, &wildcard); |
| 340 | |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 341 | addr = &wildcard; |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 342 | } |
| 343 | |
| 344 | handle = gpr_malloc(sizeof(uv_tcp_t)); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 345 | status = uv_tcp_init(uv_default_loop(), handle); |
| 346 | if (status == 0) { |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 347 | error = add_socket_to_server(s, handle, addr, port_index, &sp); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 348 | } else { |
| 349 | error = GRPC_ERROR_CREATE("Failed to initialize UV tcp handle"); |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 350 | error = |
| 351 | grpc_error_set_str(error, GRPC_ERROR_STR_OS_ERROR, uv_strerror(status)); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 352 | } |
| 353 | |
| 354 | gpr_free(allocated_addr); |
| 355 | |
| 356 | if (error != GRPC_ERROR_NONE) { |
| 357 | grpc_error *error_out = GRPC_ERROR_CREATE_REFERENCING( |
| 358 | "Failed to add port to server", &error, 1); |
| 359 | GRPC_ERROR_UNREF(error); |
| 360 | error = error_out; |
| 361 | *port = -1; |
| 362 | } else { |
| 363 | GPR_ASSERT(sp != NULL); |
| 364 | *port = sp->port; |
| 365 | } |
| 366 | return error; |
| 367 | } |
| 368 | |
| 369 | void grpc_tcp_server_start(grpc_exec_ctx *exec_ctx, grpc_tcp_server *server, |
| 370 | grpc_pollset **pollsets, size_t pollset_count, |
| 371 | grpc_tcp_server_cb on_accept_cb, void *cb_arg) { |
| 372 | grpc_tcp_listener *sp; |
| 373 | (void)pollsets; |
| 374 | (void)pollset_count; |
| 375 | GPR_ASSERT(on_accept_cb); |
| 376 | GPR_ASSERT(!server->on_accept_cb); |
| 377 | server->on_accept_cb = on_accept_cb; |
| 378 | server->on_accept_cb_arg = cb_arg; |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 379 | for (sp = server->head; sp; sp = sp->next) { |
| 380 | GPR_ASSERT(uv_listen((uv_stream_t *)sp->handle, SOMAXCONN, on_connect) == |
| 381 | 0); |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 382 | } |
| 383 | } |
| 384 | |
| 385 | void grpc_tcp_server_shutdown_listeners(grpc_exec_ctx *exec_ctx, |
| 386 | grpc_tcp_server *s) {} |
| 387 | |
murgatroid99 | 9030c81 | 2016-09-16 13:25:08 -0700 | [diff] [blame] | 388 | #endif /* GRPC_UV */ |