Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 6169d5f | 2016-03-31 07:46:18 -0700 | [diff] [blame] | 3 | * Copyright 2015, Google Inc. |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [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 | |
murgatroid99 | 5407089 | 2016-08-08 17:01:18 -0700 | [diff] [blame] | 34 | #include "src/core/lib/iomgr/port.h" |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 35 | |
murgatroid99 | 623dd4f | 2016-08-08 17:31:27 -0700 | [diff] [blame] | 36 | #ifdef GRPC_WINSOCK_SOCKET |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 37 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 38 | #include "src/core/lib/iomgr/sockaddr.h" |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 39 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 40 | #include <io.h> |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 41 | |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 42 | #include <grpc/support/alloc.h> |
| 43 | #include <grpc/support/log.h> |
Yuchen Zeng | 12dfdc3 | 2016-04-26 22:05:41 -0700 | [diff] [blame] | 44 | #include <grpc/support/log_windows.h> |
Masood Malekghassemi | 701af60 | 2015-06-03 15:01:17 -0700 | [diff] [blame] | 45 | #include <grpc/support/string_util.h> |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 46 | #include <grpc/support/sync.h> |
| 47 | #include <grpc/support/time.h> |
| 48 | |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 49 | #include "src/core/lib/iomgr/iocp_windows.h" |
| 50 | #include "src/core/lib/iomgr/pollset_windows.h" |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 51 | #include "src/core/lib/iomgr/resolve_address.h" |
| 52 | #include "src/core/lib/iomgr/sockaddr_utils.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 53 | #include "src/core/lib/iomgr/socket_windows.h" |
| 54 | #include "src/core/lib/iomgr/tcp_server.h" |
| 55 | #include "src/core/lib/iomgr/tcp_windows.h" |
Nicolas Noble | d72ba6a | 2015-02-09 16:30:35 -0800 | [diff] [blame] | 56 | |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 57 | #define MIN_SAFE_ACCEPT_QUEUE_SIZE 100 |
| 58 | |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 59 | /* one listening port */ |
Dan Born | 5d81d15 | 2016-01-12 20:29:29 -0800 | [diff] [blame] | 60 | typedef struct grpc_tcp_listener grpc_tcp_listener; |
Nicolas Noble | 8f71462 | 2015-11-19 11:16:54 -0800 | [diff] [blame] | 61 | struct grpc_tcp_listener { |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 62 | /* This seemingly magic number comes from AcceptEx's documentation. each |
| 63 | address buffer needs to have at least 16 more bytes at their end. */ |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 64 | uint8_t addresses[(sizeof(struct sockaddr_in6) + 16) * 2]; |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 65 | /* This will hold the socket for the next accept. */ |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 66 | SOCKET new_socket; |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 67 | /* The listener winsocket. */ |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 68 | grpc_winsocket *socket; |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 69 | /* The actual TCP port number. */ |
| 70 | int port; |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 71 | unsigned port_index; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 72 | grpc_tcp_server *server; |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 73 | /* The cached AcceptEx for that port. */ |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 74 | LPFN_ACCEPTEX AcceptEx; |
Nicolas "Pixel" Noble | 404fc6a | 2015-05-02 02:34:39 -0700 | [diff] [blame] | 75 | int shutting_down; |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 76 | int outstanding_calls; |
Craig Tiller | 82f9bd8 | 2015-09-23 09:31:51 -0700 | [diff] [blame] | 77 | /* closure for socket notification of accept being ready */ |
| 78 | grpc_closure on_accept; |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 79 | /* linked list */ |
Nicolas Noble | 8f71462 | 2015-11-19 11:16:54 -0800 | [diff] [blame] | 80 | struct grpc_tcp_listener *next; |
| 81 | }; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 82 | |
| 83 | /* the overall server */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 84 | struct grpc_tcp_server { |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 85 | gpr_refcount refs; |
Robbie Shade | 3cd2d18 | 2015-08-28 14:30:35 -0400 | [diff] [blame] | 86 | /* Called whenever accept() succeeds on a server port. */ |
| 87 | grpc_tcp_server_cb on_accept_cb; |
| 88 | void *on_accept_cb_arg; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 89 | |
| 90 | gpr_mu mu; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 91 | |
| 92 | /* active port count: how many ports are actually still listening */ |
| 93 | int active_ports; |
| 94 | |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 95 | /* linked list of server ports */ |
Nicolas Noble | 8f71462 | 2015-11-19 11:16:54 -0800 | [diff] [blame] | 96 | grpc_tcp_listener *head; |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 97 | grpc_tcp_listener *tail; |
Craig Tiller | 063560e | 2015-09-01 08:44:42 -0700 | [diff] [blame] | 98 | |
Dan Born | 9c12bc2 | 2016-01-13 16:52:20 -0800 | [diff] [blame] | 99 | /* List of closures passed to shutdown_starting_add(). */ |
| 100 | grpc_closure_list shutdown_starting; |
| 101 | |
Craig Tiller | 063560e | 2015-09-01 08:44:42 -0700 | [diff] [blame] | 102 | /* shutdown callback */ |
Craig Tiller | 82f9bd8 | 2015-09-23 09:31:51 -0700 | [diff] [blame] | 103 | grpc_closure *shutdown_complete; |
Craig Tiller | 290e9a7 | 2016-10-28 08:17:00 -0700 | [diff] [blame] | 104 | |
| 105 | grpc_resource_quota *resource_quota; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 106 | }; |
| 107 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 108 | /* Public function. Allocates the proper data structures to hold a |
| 109 | grpc_tcp_server. */ |
Craig Tiller | a5ea56b | 2016-10-28 08:19:02 -0700 | [diff] [blame] | 110 | grpc_error *grpc_tcp_server_create(grpc_exec_ctx *exec_ctx, |
| 111 | grpc_closure *shutdown_complete, |
Craig Tiller | b187895 | 2016-06-20 09:11:54 -0700 | [diff] [blame] | 112 | const grpc_channel_args *args, |
Craig Tiller | 3e149f3 | 2016-05-17 16:11:04 -0700 | [diff] [blame] | 113 | grpc_tcp_server **server) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 114 | grpc_tcp_server *s = gpr_malloc(sizeof(grpc_tcp_server)); |
Craig Tiller | 290e9a7 | 2016-10-28 08:17:00 -0700 | [diff] [blame] | 115 | s->resource_quota = grpc_resource_quota_create(NULL); |
| 116 | for (size_t i = 0; i < (args == NULL ? 0 : args->num_args); i++) { |
| 117 | if (0 == strcmp(GRPC_ARG_RESOURCE_QUOTA, args->args[i].key)) { |
| 118 | if (args->args[i].type == GRPC_ARG_POINTER) { |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 119 | grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); |
Craig Tiller | 290e9a7 | 2016-10-28 08:17:00 -0700 | [diff] [blame] | 120 | s->resource_quota = |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 121 | grpc_resource_quota_ref_internal(args->args[i].value.pointer.p); |
Craig Tiller | 290e9a7 | 2016-10-28 08:17:00 -0700 | [diff] [blame] | 122 | } else { |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 123 | grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); |
Craig Tiller | 290e9a7 | 2016-10-28 08:17:00 -0700 | [diff] [blame] | 124 | gpr_free(s); |
| 125 | return GRPC_ERROR_CREATE(GRPC_ARG_RESOURCE_QUOTA |
| 126 | " must be a pointer to a buffer pool"); |
| 127 | } |
| 128 | } |
| 129 | } |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 130 | gpr_ref_init(&s->refs, 1); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 131 | gpr_mu_init(&s->mu); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 132 | s->active_ports = 0; |
Robbie Shade | 3cd2d18 | 2015-08-28 14:30:35 -0400 | [diff] [blame] | 133 | s->on_accept_cb = NULL; |
| 134 | s->on_accept_cb_arg = NULL; |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 135 | s->head = NULL; |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 136 | s->tail = NULL; |
Dan Born | 9c12bc2 | 2016-01-13 16:52:20 -0800 | [diff] [blame] | 137 | s->shutdown_starting.head = NULL; |
| 138 | s->shutdown_starting.tail = NULL; |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 139 | s->shutdown_complete = shutdown_complete; |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 140 | *server = s; |
| 141 | return GRPC_ERROR_NONE; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 142 | } |
| 143 | |
Craig Tiller | fdc17aa | 2016-11-29 13:54:19 -0800 | [diff] [blame] | 144 | static void destroy_server(grpc_exec_ctx *exec_ctx, void *arg, |
| 145 | grpc_error *error) { |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 146 | grpc_tcp_server *s = arg; |
Craig Tiller | 5100ea0 | 2015-09-01 12:23:28 -0700 | [diff] [blame] | 147 | |
| 148 | /* Now that the accepts have been aborted, we can destroy the sockets. |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 149 | The IOCP won't get notified on these, so we can flag them as already |
| 150 | closed by the system. */ |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 151 | while (s->head) { |
Nicolas Noble | 8f71462 | 2015-11-19 11:16:54 -0800 | [diff] [blame] | 152 | grpc_tcp_listener *sp = s->head; |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 153 | s->head = sp->next; |
| 154 | sp->next = NULL; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 155 | grpc_winsocket_destroy(sp->socket); |
Dan Born | 50ef304 | 2016-01-13 13:35:33 -0800 | [diff] [blame] | 156 | gpr_free(sp); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 157 | } |
Craig Tiller | a59c16c | 2016-10-31 07:25:01 -0700 | [diff] [blame] | 158 | grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 159 | gpr_free(s); |
Craig Tiller | 5100ea0 | 2015-09-01 12:23:28 -0700 | [diff] [blame] | 160 | } |
| 161 | |
Craig Tiller | fdc17aa | 2016-11-29 13:54:19 -0800 | [diff] [blame] | 162 | static void finish_shutdown_locked(grpc_exec_ctx *exec_ctx, |
| 163 | grpc_tcp_server *s) { |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 164 | if (s->shutdown_complete != NULL) { |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 165 | grpc_closure_sched(exec_ctx, s->shutdown_complete, GRPC_ERROR_NONE); |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 166 | } |
| 167 | |
Craig Tiller | d465456 | 2017-01-03 08:45:56 -0800 | [diff] [blame] | 168 | grpc_closure_sched(exec_ctx, grpc_closure_create(destroy_server, s, |
| 169 | grpc_schedule_on_exec_ctx), |
| 170 | GRPC_ERROR_NONE); |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 171 | } |
| 172 | |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 173 | grpc_tcp_server *grpc_tcp_server_ref(grpc_tcp_server *s) { |
Dan Born | 966a448 | 2016-09-26 15:51:42 -0700 | [diff] [blame] | 174 | gpr_ref_non_zero(&s->refs); |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 175 | return s; |
| 176 | } |
| 177 | |
Dan Born | 9c12bc2 | 2016-01-13 16:52:20 -0800 | [diff] [blame] | 178 | void grpc_tcp_server_shutdown_starting_add(grpc_tcp_server *s, |
| 179 | grpc_closure *shutdown_starting) { |
| 180 | gpr_mu_lock(&s->mu); |
Craig Tiller | 3e149f3 | 2016-05-17 16:11:04 -0700 | [diff] [blame] | 181 | grpc_closure_list_append(&s->shutdown_starting, shutdown_starting, |
| 182 | GRPC_ERROR_NONE); |
Dan Born | 9c12bc2 | 2016-01-13 16:52:20 -0800 | [diff] [blame] | 183 | gpr_mu_unlock(&s->mu); |
| 184 | } |
| 185 | |
Dan Born | 5d81d15 | 2016-01-12 20:29:29 -0800 | [diff] [blame] | 186 | static void tcp_server_destroy(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { |
Nicolas Noble | 8f71462 | 2015-11-19 11:16:54 -0800 | [diff] [blame] | 187 | grpc_tcp_listener *sp; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 188 | gpr_mu_lock(&s->mu); |
Craig Tiller | 063560e | 2015-09-01 08:44:42 -0700 | [diff] [blame] | 189 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 190 | /* First, shutdown all fd's. This will queue abortion calls for all |
Nicolas "Pixel" Noble | e503cd5 | 2015-07-14 02:27:23 +0200 | [diff] [blame] | 191 | of the pending accepts due to the normal operation mechanism. */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 192 | if (s->active_ports == 0) { |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 193 | finish_shutdown_locked(exec_ctx, s); |
| 194 | } else { |
| 195 | for (sp = s->head; sp; sp = sp->next) { |
| 196 | sp->shutting_down = 1; |
| 197 | grpc_winsocket_shutdown(sp->socket); |
| 198 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 199 | } |
| 200 | gpr_mu_unlock(&s->mu); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 201 | } |
| 202 | |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 203 | void grpc_tcp_server_unref(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { |
| 204 | if (gpr_unref(&s->refs)) { |
Dan Born | 966a448 | 2016-09-26 15:51:42 -0700 | [diff] [blame] | 205 | grpc_tcp_server_shutdown_listeners(exec_ctx, s); |
Dan Born | 9c12bc2 | 2016-01-13 16:52:20 -0800 | [diff] [blame] | 206 | gpr_mu_lock(&s->mu); |
Craig Tiller | 460da03 | 2017-01-03 08:45:29 -0800 | [diff] [blame] | 207 | grpc_closure_list_sched(exec_ctx, &s->shutdown_starting); |
Dan Born | 9c12bc2 | 2016-01-13 16:52:20 -0800 | [diff] [blame] | 208 | gpr_mu_unlock(&s->mu); |
Dan Born | 966a448 | 2016-09-26 15:51:42 -0700 | [diff] [blame] | 209 | tcp_server_destroy(exec_ctx, s); |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 210 | } |
| 211 | } |
| 212 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 213 | /* Prepare (bind) a recently-created socket for listening. */ |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 214 | static grpc_error *prepare_socket(SOCKET sock, |
| 215 | const grpc_resolved_address *addr, |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 216 | int *port) { |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 217 | grpc_resolved_address sockname_temp; |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 218 | grpc_error *error = GRPC_ERROR_NONE; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 219 | |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 220 | error = grpc_tcp_prepare_socket(sock); |
| 221 | if (error != GRPC_ERROR_NONE) { |
| 222 | goto failure; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 223 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 224 | |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 225 | if (bind(sock, (const struct sockaddr *)addr->addr, (int)addr->len) == |
| 226 | SOCKET_ERROR) { |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 227 | error = GRPC_WSA_ERROR(WSAGetLastError(), "bind"); |
| 228 | goto failure; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 229 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 230 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 231 | if (listen(sock, SOMAXCONN) == SOCKET_ERROR) { |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 232 | error = GRPC_WSA_ERROR(WSAGetLastError(), "listen"); |
| 233 | goto failure; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 234 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 235 | |
Craig Tiller | 85fe038 | 2016-10-28 08:43:01 -0700 | [diff] [blame] | 236 | int sockname_temp_len = sizeof(struct sockaddr_storage); |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 237 | if (getsockname(sock, (struct sockaddr *)sockname_temp.addr, |
Craig Tiller | 85fe038 | 2016-10-28 08:43:01 -0700 | [diff] [blame] | 238 | &sockname_temp_len) == SOCKET_ERROR) { |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 239 | error = GRPC_WSA_ERROR(WSAGetLastError(), "getsockname"); |
| 240 | goto failure; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 241 | } |
Mario Emmenlauer | d817c1b | 2016-12-13 22:35:50 +0100 | [diff] [blame] | 242 | sockname_temp.len = (size_t)sockname_temp_len; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 243 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 244 | *port = grpc_sockaddr_get_port(&sockname_temp); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 245 | return GRPC_ERROR_NONE; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 246 | |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 247 | failure: |
| 248 | GPR_ASSERT(error != GRPC_ERROR_NONE); |
| 249 | char *tgtaddr = grpc_sockaddr_to_uri(addr); |
Jan Tattermusch | df71518 | 2017-01-11 10:44:41 +0100 | [diff] [blame] | 250 | grpc_error_set_int( |
Craig Tiller | 3e149f3 | 2016-05-17 16:11:04 -0700 | [diff] [blame] | 251 | grpc_error_set_str(GRPC_ERROR_CREATE_REFERENCING( |
| 252 | "Failed to prepare server socket", &error, 1), |
| 253 | GRPC_ERROR_STR_TARGET_ADDRESS, tgtaddr), |
| 254 | GRPC_ERROR_INT_FD, (intptr_t)sock); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 255 | gpr_free(tgtaddr); |
| 256 | GRPC_ERROR_UNREF(error); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 257 | if (sock != INVALID_SOCKET) closesocket(sock); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 258 | return error; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 259 | } |
| 260 | |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 261 | static void decrement_active_ports_and_notify_locked(grpc_exec_ctx *exec_ctx, |
Craig Tiller | fdc17aa | 2016-11-29 13:54:19 -0800 | [diff] [blame] | 262 | grpc_tcp_listener *sp) { |
Jan Tattermusch | 2f25d98 | 2015-08-03 18:01:26 -0700 | [diff] [blame] | 263 | sp->shutting_down = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 264 | GPR_ASSERT(sp->server->active_ports > 0); |
yang-g | 9aa4f1b | 2016-03-02 16:39:13 -0800 | [diff] [blame] | 265 | if (0 == --sp->server->active_ports) { |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 266 | finish_shutdown_locked(exec_ctx, sp->server); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 267 | } |
Jan Tattermusch | 2f25d98 | 2015-08-03 18:01:26 -0700 | [diff] [blame] | 268 | } |
| 269 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 270 | /* In order to do an async accept, we need to create a socket first which |
| 271 | will be the one assigned to the new incoming connection. */ |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 272 | static grpc_error *start_accept_locked(grpc_exec_ctx *exec_ctx, |
Craig Tiller | fdc17aa | 2016-11-29 13:54:19 -0800 | [diff] [blame] | 273 | grpc_tcp_listener *port) { |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 274 | SOCKET sock = INVALID_SOCKET; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 275 | BOOL success; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 276 | DWORD addrlen = sizeof(struct sockaddr_in6) + 16; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 277 | DWORD bytes_received = 0; |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 278 | grpc_error *error = GRPC_ERROR_NONE; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 279 | |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 280 | if (port->shutting_down) { |
| 281 | return GRPC_ERROR_NONE; |
| 282 | } |
| 283 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 284 | sock = WSASocket(AF_INET6, SOCK_STREAM, IPPROTO_TCP, NULL, 0, |
| 285 | WSA_FLAG_OVERLAPPED); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 286 | if (sock == INVALID_SOCKET) { |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 287 | error = GRPC_WSA_ERROR(WSAGetLastError(), "WSASocket"); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 288 | goto failure; |
| 289 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 290 | |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 291 | error = grpc_tcp_prepare_socket(sock); |
| 292 | if (error != GRPC_ERROR_NONE) goto failure; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 293 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 294 | /* Start the "accept" asynchronously. */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 295 | success = port->AcceptEx(port->socket->socket, sock, port->addresses, 0, |
| 296 | addrlen, addrlen, &bytes_received, |
| 297 | &port->socket->read_info.overlapped); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 298 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 299 | /* It is possible to get an accept immediately without delay. However, we |
| 300 | will still get an IOCP notification for it. So let's just ignore it. */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 301 | if (!success) { |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 302 | int last_error = WSAGetLastError(); |
| 303 | if (last_error != ERROR_IO_PENDING) { |
| 304 | error = GRPC_WSA_ERROR(last_error, "AcceptEx"); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 305 | goto failure; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 306 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 307 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 308 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 309 | /* We're ready to do the accept. Calling grpc_socket_notify_on_read may |
| 310 | immediately process an accept that happened in the meantime. */ |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 311 | port->new_socket = sock; |
Craig Tiller | 82f9bd8 | 2015-09-23 09:31:51 -0700 | [diff] [blame] | 312 | grpc_socket_notify_on_read(exec_ctx, port->socket, &port->on_accept); |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 313 | port->outstanding_calls++; |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 314 | return error; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 315 | |
| 316 | failure: |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 317 | GPR_ASSERT(error != GRPC_ERROR_NONE); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 318 | if (sock != INVALID_SOCKET) closesocket(sock); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 319 | return error; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 320 | } |
| 321 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 322 | /* Event manager callback when reads are ready. */ |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 323 | static void on_accept(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { |
Nicolas Noble | 8f71462 | 2015-11-19 11:16:54 -0800 | [diff] [blame] | 324 | grpc_tcp_listener *sp = arg; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 325 | SOCKET sock = sp->new_socket; |
| 326 | grpc_winsocket_callback_info *info = &sp->socket->read_info; |
| 327 | grpc_endpoint *ep = NULL; |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 328 | grpc_resolved_address peer_name; |
Craig Tiller | 81bcc4c | 2015-07-20 14:04:18 -0700 | [diff] [blame] | 329 | char *peer_name_string; |
| 330 | char *fd_name; |
chai2010 | e55e183 | 2015-07-14 13:24:48 +0800 | [diff] [blame] | 331 | DWORD transfered_bytes; |
| 332 | DWORD flags; |
| 333 | BOOL wsa_success; |
Jan Tattermusch | 3f7809d | 2015-07-24 13:20:40 -0700 | [diff] [blame] | 334 | int err; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 335 | |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 336 | gpr_mu_lock(&sp->server->mu); |
| 337 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 338 | peer_name.len = sizeof(struct sockaddr_storage); |
| 339 | |
Nicolas "Pixel" Noble | e503cd5 | 2015-07-14 02:27:23 +0200 | [diff] [blame] | 340 | /* The general mechanism for shutting down is to queue abortion calls. While |
| 341 | this is necessary in the read/write case, it's useless for the accept |
Jan Tattermusch | eab5c33 | 2015-07-29 11:49:31 -0700 | [diff] [blame] | 342 | case. We only need to adjust the pending callback count */ |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 343 | if (error != GRPC_ERROR_NONE) { |
| 344 | const char *msg = grpc_error_string(error); |
| 345 | gpr_log(GPR_INFO, "Skipping on_accept due to error: %s", msg); |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 346 | |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 347 | gpr_mu_unlock(&sp->server->mu); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 348 | return; |
| 349 | } |
Nicolas "Pixel" Noble | 404fc6a | 2015-05-02 02:34:39 -0700 | [diff] [blame] | 350 | |
Nicolas "Pixel" Noble | e503cd5 | 2015-07-14 02:27:23 +0200 | [diff] [blame] | 351 | /* The IOCP notified us of a completed operation. Let's grab the results, |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 352 | and act accordingly. */ |
chai2010 | e55e183 | 2015-07-14 13:24:48 +0800 | [diff] [blame] | 353 | transfered_bytes = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 354 | wsa_success = WSAGetOverlappedResult(sock, &info->overlapped, |
| 355 | &transfered_bytes, FALSE, &flags); |
| 356 | if (!wsa_success) { |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 357 | if (!sp->shutting_down) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 358 | char *utf8_message = gpr_format_message(WSAGetLastError()); |
| 359 | gpr_log(GPR_ERROR, "on_accept error: %s", utf8_message); |
| 360 | gpr_free(utf8_message); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 361 | } |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 362 | closesocket(sock); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 363 | } else { |
| 364 | if (!sp->shutting_down) { |
| 365 | peer_name_string = NULL; |
| 366 | err = setsockopt(sock, SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT, |
| 367 | (char *)&sp->socket->socket, sizeof(sp->socket->socket)); |
| 368 | if (err) { |
| 369 | char *utf8_message = gpr_format_message(WSAGetLastError()); |
| 370 | gpr_log(GPR_ERROR, "setsockopt error: %s", utf8_message); |
| 371 | gpr_free(utf8_message); |
| 372 | } |
Craig Tiller | 6108d1f | 2016-10-28 08:43:21 -0700 | [diff] [blame] | 373 | int peer_name_len = (int)peer_name.len; |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 374 | err = |
Craig Tiller | 85fe038 | 2016-10-28 08:43:01 -0700 | [diff] [blame] | 375 | getpeername(sock, (struct sockaddr *)peer_name.addr, &peer_name_len); |
Mario Emmenlauer | d817c1b | 2016-12-13 22:35:50 +0100 | [diff] [blame] | 376 | peer_name.len = (size_t)peer_name_len; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 377 | if (!err) { |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 378 | peer_name_string = grpc_sockaddr_to_uri(&peer_name); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 379 | } else { |
| 380 | char *utf8_message = gpr_format_message(WSAGetLastError()); |
| 381 | gpr_log(GPR_ERROR, "getpeername error: %s", utf8_message); |
| 382 | gpr_free(utf8_message); |
| 383 | } |
| 384 | gpr_asprintf(&fd_name, "tcp_server:%s", peer_name_string); |
Craig Tiller | a5ea56b | 2016-10-28 08:19:02 -0700 | [diff] [blame] | 385 | ep = grpc_tcp_create(grpc_winsocket_create(sock, fd_name), |
| 386 | sp->server->resource_quota, peer_name_string); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 387 | gpr_free(fd_name); |
| 388 | gpr_free(peer_name_string); |
Craig Tiller | faf8f68 | 2015-10-06 09:12:34 -0700 | [diff] [blame] | 389 | } else { |
| 390 | closesocket(sock); |
Nicolas "Pixel" Noble | 0f981e9 | 2015-05-03 10:40:56 +0200 | [diff] [blame] | 391 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 392 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 393 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 394 | /* The only time we should call our callback, is where we successfully |
| 395 | managed to accept a connection, and created an endpoint. */ |
Craig Tiller | 8ad69bf | 2016-05-20 08:48:22 -0700 | [diff] [blame] | 396 | if (ep) { |
Mark D. Roth | 6c07bf8 | 2016-12-09 08:38:38 -0800 | [diff] [blame] | 397 | // Create acceptor. |
| 398 | grpc_tcp_server_acceptor *acceptor = gpr_malloc(sizeof(*acceptor)); |
| 399 | acceptor->from_server = sp->server; |
| 400 | acceptor->port_index = sp->port_index; |
| 401 | acceptor->fd_index = 0; |
Craig Tiller | e004958 | 2016-05-20 10:31:09 -0700 | [diff] [blame] | 402 | 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] | 403 | acceptor); |
Craig Tiller | 8ad69bf | 2016-05-20 08:48:22 -0700 | [diff] [blame] | 404 | } |
Nicolas "Pixel" Noble | 0f981e9 | 2015-05-03 10:40:56 +0200 | [diff] [blame] | 405 | /* As we were notified from the IOCP of one and exactly one accept, |
Nicolas "Pixel" Noble | e503cd5 | 2015-07-14 02:27:23 +0200 | [diff] [blame] | 406 | the former socked we created has now either been destroy or assigned |
| 407 | to the new connection. We need to create a new one for the next |
| 408 | connection. */ |
Craig Tiller | fdc17aa | 2016-11-29 13:54:19 -0800 | [diff] [blame] | 409 | GPR_ASSERT( |
| 410 | GRPC_LOG_IF_ERROR("start_accept", start_accept_locked(exec_ctx, sp))); |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 411 | if (0 == --sp->outstanding_calls) { |
| 412 | decrement_active_ports_and_notify_locked(exec_ctx, sp); |
| 413 | } |
| 414 | gpr_mu_unlock(&sp->server->mu); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 415 | } |
| 416 | |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 417 | static grpc_error *add_socket_to_server(grpc_tcp_server *s, SOCKET sock, |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 418 | const grpc_resolved_address *addr, |
| 419 | unsigned port_index, |
Craig Tiller | 3e149f3 | 2016-05-17 16:11:04 -0700 | [diff] [blame] | 420 | grpc_tcp_listener **listener) { |
Nicolas Noble | 8f71462 | 2015-11-19 11:16:54 -0800 | [diff] [blame] | 421 | grpc_tcp_listener *sp = NULL; |
Ken Payson | 8891ef5 | 2016-06-22 16:47:52 -0700 | [diff] [blame] | 422 | int port = -1; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 423 | int status; |
| 424 | GUID guid = WSAID_ACCEPTEX; |
| 425 | DWORD ioctl_num_bytes; |
| 426 | LPFN_ACCEPTEX AcceptEx; |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 427 | grpc_error *error = GRPC_ERROR_NONE; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 428 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 429 | /* We need to grab the AcceptEx pointer for that port, as it may be |
| 430 | interface-dependent. We'll cache it to avoid doing that again. */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 431 | status = |
| 432 | WSAIoctl(sock, SIO_GET_EXTENSION_FUNCTION_POINTER, &guid, sizeof(guid), |
| 433 | &AcceptEx, sizeof(AcceptEx), &ioctl_num_bytes, NULL, NULL); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 434 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 435 | if (status != 0) { |
| 436 | char *utf8_message = gpr_format_message(WSAGetLastError()); |
| 437 | gpr_log(GPR_ERROR, "on_connect error: %s", utf8_message); |
| 438 | gpr_free(utf8_message); |
| 439 | closesocket(sock); |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 440 | return NULL; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 441 | } |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 442 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 443 | error = prepare_socket(sock, addr, &port); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 444 | if (error != GRPC_ERROR_NONE) { |
| 445 | return error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 446 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 447 | |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 448 | GPR_ASSERT(port >= 0); |
| 449 | gpr_mu_lock(&s->mu); |
| 450 | GPR_ASSERT(!s->on_accept_cb && "must add ports before starting server"); |
| 451 | sp = gpr_malloc(sizeof(grpc_tcp_listener)); |
| 452 | sp->next = NULL; |
| 453 | if (s->head == NULL) { |
| 454 | s->head = sp; |
| 455 | } else { |
| 456 | s->tail->next = sp; |
| 457 | } |
| 458 | s->tail = sp; |
| 459 | sp->server = s; |
| 460 | sp->socket = grpc_winsocket_create(sock, "listener"); |
| 461 | sp->shutting_down = 0; |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 462 | sp->outstanding_calls = 0; |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 463 | sp->AcceptEx = AcceptEx; |
| 464 | sp->new_socket = INVALID_SOCKET; |
| 465 | sp->port = port; |
| 466 | sp->port_index = port_index; |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 467 | grpc_closure_init(&sp->on_accept, on_accept, sp, grpc_schedule_on_exec_ctx); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 468 | GPR_ASSERT(sp->socket); |
| 469 | gpr_mu_unlock(&s->mu); |
| 470 | *listener = sp; |
| 471 | |
| 472 | return GRPC_ERROR_NONE; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 473 | } |
| 474 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 475 | grpc_error *grpc_tcp_server_add_port(grpc_tcp_server *s, |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 476 | const grpc_resolved_address *addr, |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 477 | int *port) { |
Craig Tiller | 5352ff1 | 2016-05-18 10:44:38 -0700 | [diff] [blame] | 478 | grpc_tcp_listener *sp = NULL; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 479 | SOCKET sock; |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 480 | grpc_resolved_address addr6_v4mapped; |
| 481 | grpc_resolved_address wildcard; |
| 482 | grpc_resolved_address *allocated_addr = NULL; |
| 483 | grpc_resolved_address sockname_temp; |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 484 | unsigned port_index = 0; |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 485 | grpc_error *error = GRPC_ERROR_NONE; |
| 486 | |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 487 | if (s->tail != NULL) { |
| 488 | port_index = s->tail->port_index + 1; |
| 489 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 490 | |
| 491 | /* Check if this is a wildcard port, and if so, try to keep the port the same |
| 492 | as some previously created listener. */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 493 | if (grpc_sockaddr_get_port(addr) == 0) { |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 494 | for (sp = s->head; sp; sp = sp->next) { |
Craig Tiller | 85fe038 | 2016-10-28 08:43:01 -0700 | [diff] [blame] | 495 | int sockname_temp_len = sizeof(struct sockaddr_storage); |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 496 | if (0 == getsockname(sp->socket->socket, |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 497 | (struct sockaddr *)sockname_temp.addr, |
Craig Tiller | 85fe038 | 2016-10-28 08:43:01 -0700 | [diff] [blame] | 498 | &sockname_temp_len)) { |
Mario Emmenlauer | d817c1b | 2016-12-13 22:35:50 +0100 | [diff] [blame] | 499 | sockname_temp.len = (size_t)sockname_temp_len; |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 500 | *port = grpc_sockaddr_get_port(&sockname_temp); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 501 | if (*port > 0) { |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 502 | allocated_addr = gpr_malloc(sizeof(grpc_resolved_address)); |
| 503 | memcpy(allocated_addr, addr, sizeof(grpc_resolved_address)); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 504 | grpc_sockaddr_set_port(allocated_addr, *port); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 505 | addr = allocated_addr; |
| 506 | break; |
| 507 | } |
| 508 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 509 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 510 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 511 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 512 | if (grpc_sockaddr_to_v4mapped(addr, &addr6_v4mapped)) { |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 513 | addr = &addr6_v4mapped; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 514 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 515 | |
| 516 | /* Treat :: or 0.0.0.0 as a family-agnostic wildcard. */ |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 517 | if (grpc_sockaddr_is_wildcard(addr, port)) { |
| 518 | grpc_sockaddr_make_wildcard6(*port, &wildcard); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 519 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 520 | addr = &wildcard; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 521 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 522 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 523 | sock = WSASocket(AF_INET6, SOCK_STREAM, IPPROTO_TCP, NULL, 0, |
| 524 | WSA_FLAG_OVERLAPPED); |
| 525 | if (sock == INVALID_SOCKET) { |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 526 | error = GRPC_WSA_ERROR(WSAGetLastError(), "WSASocket"); |
| 527 | goto done; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 528 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 529 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 530 | error = add_socket_to_server(s, sock, addr, port_index, &sp); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 531 | |
| 532 | done: |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 533 | gpr_free(allocated_addr); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 534 | |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 535 | if (error != GRPC_ERROR_NONE) { |
Craig Tiller | 3e149f3 | 2016-05-17 16:11:04 -0700 | [diff] [blame] | 536 | grpc_error *error_out = GRPC_ERROR_CREATE_REFERENCING( |
| 537 | "Failed to add port to server", &error, 1); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 538 | GRPC_ERROR_UNREF(error); |
| 539 | error = error_out; |
Craig Tiller | 5352ff1 | 2016-05-18 10:44:38 -0700 | [diff] [blame] | 540 | *port = -1; |
| 541 | } else { |
| 542 | GPR_ASSERT(sp != NULL); |
| 543 | *port = sp->port; |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 544 | } |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 545 | return error; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 546 | } |
| 547 | |
Craig Tiller | 565b18b | 2015-09-23 10:09:42 -0700 | [diff] [blame] | 548 | void grpc_tcp_server_start(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s, |
| 549 | grpc_pollset **pollset, size_t pollset_count, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 550 | grpc_tcp_server_cb on_accept_cb, |
| 551 | void *on_accept_cb_arg) { |
Nicolas Noble | 8f71462 | 2015-11-19 11:16:54 -0800 | [diff] [blame] | 552 | grpc_tcp_listener *sp; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 553 | GPR_ASSERT(on_accept_cb); |
| 554 | gpr_mu_lock(&s->mu); |
| 555 | GPR_ASSERT(!s->on_accept_cb); |
| 556 | GPR_ASSERT(s->active_ports == 0); |
Robbie Shade | 3cd2d18 | 2015-08-28 14:30:35 -0400 | [diff] [blame] | 557 | s->on_accept_cb = on_accept_cb; |
| 558 | s->on_accept_cb_arg = on_accept_cb_arg; |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 559 | for (sp = s->head; sp; sp = sp->next) { |
Craig Tiller | fdc17aa | 2016-11-29 13:54:19 -0800 | [diff] [blame] | 560 | GPR_ASSERT( |
| 561 | GRPC_LOG_IF_ERROR("start_accept", start_accept_locked(exec_ctx, sp))); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 562 | s->active_ports++; |
| 563 | } |
| 564 | gpr_mu_unlock(&s->mu); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 565 | } |
| 566 | |
yang-g | 9275d40 | 2016-07-11 16:51:39 -0700 | [diff] [blame] | 567 | void grpc_tcp_server_shutdown_listeners(grpc_exec_ctx *exec_ctx, |
| 568 | grpc_tcp_server *s) {} |
| 569 | |
murgatroid99 | 623dd4f | 2016-08-08 17:31:27 -0700 | [diff] [blame] | 570 | #endif /* GRPC_WINSOCK_SOCKET */ |