Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 1 | /* |
| 2 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 3 | * Copyright 2015 gRPC authors. |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 4 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 8 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 10 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 16 | * |
| 17 | */ |
| 18 | |
murgatroid99 | 5407089 | 2016-08-08 17:01:18 -0700 | [diff] [blame] | 19 | #include "src/core/lib/iomgr/port.h" |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 20 | |
murgatroid99 | 623dd4f | 2016-08-08 17:31:27 -0700 | [diff] [blame] | 21 | #ifdef GRPC_WINSOCK_SOCKET |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 22 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 23 | #include "src/core/lib/iomgr/sockaddr.h" |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 24 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 25 | #include <io.h> |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 26 | |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 27 | #include <grpc/support/alloc.h> |
| 28 | #include <grpc/support/log.h> |
Yuchen Zeng | 12dfdc3 | 2016-04-26 22:05:41 -0700 | [diff] [blame] | 29 | #include <grpc/support/log_windows.h> |
Masood Malekghassemi | 701af60 | 2015-06-03 15:01:17 -0700 | [diff] [blame] | 30 | #include <grpc/support/string_util.h> |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 31 | #include <grpc/support/sync.h> |
| 32 | #include <grpc/support/time.h> |
| 33 | |
Craig Tiller | 4254d3b | 2017-04-05 14:03:49 -0700 | [diff] [blame] | 34 | #include "src/core/lib/channel/channel_args.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 35 | #include "src/core/lib/iomgr/iocp_windows.h" |
| 36 | #include "src/core/lib/iomgr/pollset_windows.h" |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 37 | #include "src/core/lib/iomgr/resolve_address.h" |
| 38 | #include "src/core/lib/iomgr/sockaddr_utils.h" |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 39 | #include "src/core/lib/iomgr/socket_windows.h" |
| 40 | #include "src/core/lib/iomgr/tcp_server.h" |
| 41 | #include "src/core/lib/iomgr/tcp_windows.h" |
Nicolas Noble | d72ba6a | 2015-02-09 16:30:35 -0800 | [diff] [blame] | 42 | |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 43 | #define MIN_SAFE_ACCEPT_QUEUE_SIZE 100 |
| 44 | |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 45 | /* one listening port */ |
Dan Born | 5d81d15 | 2016-01-12 20:29:29 -0800 | [diff] [blame] | 46 | typedef struct grpc_tcp_listener grpc_tcp_listener; |
Nicolas Noble | 8f71462 | 2015-11-19 11:16:54 -0800 | [diff] [blame] | 47 | struct grpc_tcp_listener { |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 48 | /* This seemingly magic number comes from AcceptEx's documentation. each |
| 49 | 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] | 50 | uint8_t addresses[(sizeof(struct sockaddr_in6) + 16) * 2]; |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 51 | /* This will hold the socket for the next accept. */ |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 52 | SOCKET new_socket; |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 53 | /* The listener winsocket. */ |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 54 | grpc_winsocket *socket; |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 55 | /* The actual TCP port number. */ |
| 56 | int port; |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 57 | unsigned port_index; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 58 | grpc_tcp_server *server; |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 59 | /* The cached AcceptEx for that port. */ |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 60 | LPFN_ACCEPTEX AcceptEx; |
Nicolas "Pixel" Noble | 404fc6a | 2015-05-02 02:34:39 -0700 | [diff] [blame] | 61 | int shutting_down; |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 62 | int outstanding_calls; |
Craig Tiller | 82f9bd8 | 2015-09-23 09:31:51 -0700 | [diff] [blame] | 63 | /* closure for socket notification of accept being ready */ |
| 64 | grpc_closure on_accept; |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 65 | /* linked list */ |
Nicolas Noble | 8f71462 | 2015-11-19 11:16:54 -0800 | [diff] [blame] | 66 | struct grpc_tcp_listener *next; |
| 67 | }; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 68 | |
| 69 | /* the overall server */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 70 | struct grpc_tcp_server { |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 71 | gpr_refcount refs; |
Robbie Shade | 3cd2d18 | 2015-08-28 14:30:35 -0400 | [diff] [blame] | 72 | /* Called whenever accept() succeeds on a server port. */ |
| 73 | grpc_tcp_server_cb on_accept_cb; |
| 74 | void *on_accept_cb_arg; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 75 | |
| 76 | gpr_mu mu; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 77 | |
| 78 | /* active port count: how many ports are actually still listening */ |
| 79 | int active_ports; |
| 80 | |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 81 | /* linked list of server ports */ |
Nicolas Noble | 8f71462 | 2015-11-19 11:16:54 -0800 | [diff] [blame] | 82 | grpc_tcp_listener *head; |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 83 | grpc_tcp_listener *tail; |
Craig Tiller | 063560e | 2015-09-01 08:44:42 -0700 | [diff] [blame] | 84 | |
Dan Born | 9c12bc2 | 2016-01-13 16:52:20 -0800 | [diff] [blame] | 85 | /* List of closures passed to shutdown_starting_add(). */ |
| 86 | grpc_closure_list shutdown_starting; |
| 87 | |
Craig Tiller | 063560e | 2015-09-01 08:44:42 -0700 | [diff] [blame] | 88 | /* shutdown callback */ |
Craig Tiller | 82f9bd8 | 2015-09-23 09:31:51 -0700 | [diff] [blame] | 89 | grpc_closure *shutdown_complete; |
Craig Tiller | 290e9a7 | 2016-10-28 08:17:00 -0700 | [diff] [blame] | 90 | |
Craig Tiller | de09065 | 2017-04-05 14:00:24 -0700 | [diff] [blame] | 91 | grpc_channel_args *channel_args; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 92 | }; |
| 93 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 94 | /* Public function. Allocates the proper data structures to hold a |
| 95 | grpc_tcp_server. */ |
Craig Tiller | a5ea56b | 2016-10-28 08:19:02 -0700 | [diff] [blame] | 96 | grpc_error *grpc_tcp_server_create(grpc_exec_ctx *exec_ctx, |
| 97 | grpc_closure *shutdown_complete, |
Craig Tiller | b187895 | 2016-06-20 09:11:54 -0700 | [diff] [blame] | 98 | const grpc_channel_args *args, |
Craig Tiller | 3e149f3 | 2016-05-17 16:11:04 -0700 | [diff] [blame] | 99 | grpc_tcp_server **server) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 100 | grpc_tcp_server *s = gpr_malloc(sizeof(grpc_tcp_server)); |
Craig Tiller | de09065 | 2017-04-05 14:00:24 -0700 | [diff] [blame] | 101 | s->channel_args = grpc_channel_args_copy(args); |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 102 | gpr_ref_init(&s->refs, 1); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 103 | gpr_mu_init(&s->mu); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 104 | s->active_ports = 0; |
Robbie Shade | 3cd2d18 | 2015-08-28 14:30:35 -0400 | [diff] [blame] | 105 | s->on_accept_cb = NULL; |
| 106 | s->on_accept_cb_arg = NULL; |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 107 | s->head = NULL; |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 108 | s->tail = NULL; |
Dan Born | 9c12bc2 | 2016-01-13 16:52:20 -0800 | [diff] [blame] | 109 | s->shutdown_starting.head = NULL; |
| 110 | s->shutdown_starting.tail = NULL; |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 111 | s->shutdown_complete = shutdown_complete; |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 112 | *server = s; |
| 113 | return GRPC_ERROR_NONE; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 114 | } |
| 115 | |
Craig Tiller | fdc17aa | 2016-11-29 13:54:19 -0800 | [diff] [blame] | 116 | static void destroy_server(grpc_exec_ctx *exec_ctx, void *arg, |
| 117 | grpc_error *error) { |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 118 | grpc_tcp_server *s = arg; |
Craig Tiller | 5100ea0 | 2015-09-01 12:23:28 -0700 | [diff] [blame] | 119 | |
| 120 | /* Now that the accepts have been aborted, we can destroy the sockets. |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 121 | The IOCP won't get notified on these, so we can flag them as already |
| 122 | closed by the system. */ |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 123 | while (s->head) { |
Nicolas Noble | 8f71462 | 2015-11-19 11:16:54 -0800 | [diff] [blame] | 124 | grpc_tcp_listener *sp = s->head; |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 125 | s->head = sp->next; |
| 126 | sp->next = NULL; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 127 | grpc_winsocket_destroy(sp->socket); |
Dan Born | 50ef304 | 2016-01-13 13:35:33 -0800 | [diff] [blame] | 128 | gpr_free(sp); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 129 | } |
Craig Tiller | de09065 | 2017-04-05 14:00:24 -0700 | [diff] [blame] | 130 | grpc_channel_args_destroy(exec_ctx, s->channel_args); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 131 | gpr_free(s); |
Craig Tiller | 5100ea0 | 2015-09-01 12:23:28 -0700 | [diff] [blame] | 132 | } |
| 133 | |
Craig Tiller | fdc17aa | 2016-11-29 13:54:19 -0800 | [diff] [blame] | 134 | static void finish_shutdown_locked(grpc_exec_ctx *exec_ctx, |
| 135 | grpc_tcp_server *s) { |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 136 | if (s->shutdown_complete != NULL) { |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 137 | GRPC_CLOSURE_SCHED(exec_ctx, s->shutdown_complete, GRPC_ERROR_NONE); |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 138 | } |
| 139 | |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 140 | GRPC_CLOSURE_SCHED(exec_ctx, GRPC_CLOSURE_CREATE(destroy_server, s, |
Craig Tiller | d465456 | 2017-01-03 08:45:56 -0800 | [diff] [blame] | 141 | grpc_schedule_on_exec_ctx), |
| 142 | GRPC_ERROR_NONE); |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 143 | } |
| 144 | |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 145 | grpc_tcp_server *grpc_tcp_server_ref(grpc_tcp_server *s) { |
Dan Born | 966a448 | 2016-09-26 15:51:42 -0700 | [diff] [blame] | 146 | gpr_ref_non_zero(&s->refs); |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 147 | return s; |
| 148 | } |
| 149 | |
Dan Born | 9c12bc2 | 2016-01-13 16:52:20 -0800 | [diff] [blame] | 150 | void grpc_tcp_server_shutdown_starting_add(grpc_tcp_server *s, |
| 151 | grpc_closure *shutdown_starting) { |
| 152 | gpr_mu_lock(&s->mu); |
Craig Tiller | 3e149f3 | 2016-05-17 16:11:04 -0700 | [diff] [blame] | 153 | grpc_closure_list_append(&s->shutdown_starting, shutdown_starting, |
| 154 | GRPC_ERROR_NONE); |
Dan Born | 9c12bc2 | 2016-01-13 16:52:20 -0800 | [diff] [blame] | 155 | gpr_mu_unlock(&s->mu); |
| 156 | } |
| 157 | |
Dan Born | 5d81d15 | 2016-01-12 20:29:29 -0800 | [diff] [blame] | 158 | 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] | 159 | grpc_tcp_listener *sp; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 160 | gpr_mu_lock(&s->mu); |
Craig Tiller | 063560e | 2015-09-01 08:44:42 -0700 | [diff] [blame] | 161 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 162 | /* 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] | 163 | of the pending accepts due to the normal operation mechanism. */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 164 | if (s->active_ports == 0) { |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 165 | finish_shutdown_locked(exec_ctx, s); |
| 166 | } else { |
| 167 | for (sp = s->head; sp; sp = sp->next) { |
| 168 | sp->shutting_down = 1; |
| 169 | grpc_winsocket_shutdown(sp->socket); |
| 170 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 171 | } |
| 172 | gpr_mu_unlock(&s->mu); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 173 | } |
| 174 | |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 175 | void grpc_tcp_server_unref(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { |
| 176 | if (gpr_unref(&s->refs)) { |
Dan Born | 966a448 | 2016-09-26 15:51:42 -0700 | [diff] [blame] | 177 | grpc_tcp_server_shutdown_listeners(exec_ctx, s); |
Dan Born | 9c12bc2 | 2016-01-13 16:52:20 -0800 | [diff] [blame] | 178 | gpr_mu_lock(&s->mu); |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 179 | GRPC_CLOSURE_LIST_SCHED(exec_ctx, &s->shutdown_starting); |
Dan Born | 9c12bc2 | 2016-01-13 16:52:20 -0800 | [diff] [blame] | 180 | gpr_mu_unlock(&s->mu); |
Dan Born | 966a448 | 2016-09-26 15:51:42 -0700 | [diff] [blame] | 181 | tcp_server_destroy(exec_ctx, s); |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 182 | } |
| 183 | } |
| 184 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 185 | /* Prepare (bind) a recently-created socket for listening. */ |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 186 | static grpc_error *prepare_socket(SOCKET sock, |
| 187 | const grpc_resolved_address *addr, |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 188 | int *port) { |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 189 | grpc_resolved_address sockname_temp; |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 190 | grpc_error *error = GRPC_ERROR_NONE; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 191 | |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 192 | error = grpc_tcp_prepare_socket(sock); |
| 193 | if (error != GRPC_ERROR_NONE) { |
| 194 | goto failure; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 195 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 196 | |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 197 | if (bind(sock, (const struct sockaddr *)addr->addr, (int)addr->len) == |
| 198 | SOCKET_ERROR) { |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 199 | error = GRPC_WSA_ERROR(WSAGetLastError(), "bind"); |
| 200 | goto failure; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 201 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 202 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 203 | if (listen(sock, SOMAXCONN) == SOCKET_ERROR) { |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 204 | error = GRPC_WSA_ERROR(WSAGetLastError(), "listen"); |
| 205 | goto failure; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 206 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 207 | |
Craig Tiller | 85fe038 | 2016-10-28 08:43:01 -0700 | [diff] [blame] | 208 | int sockname_temp_len = sizeof(struct sockaddr_storage); |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 209 | if (getsockname(sock, (struct sockaddr *)sockname_temp.addr, |
Craig Tiller | 85fe038 | 2016-10-28 08:43:01 -0700 | [diff] [blame] | 210 | &sockname_temp_len) == SOCKET_ERROR) { |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 211 | error = GRPC_WSA_ERROR(WSAGetLastError(), "getsockname"); |
| 212 | goto failure; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 213 | } |
Mario Emmenlauer | d817c1b | 2016-12-13 22:35:50 +0100 | [diff] [blame] | 214 | sockname_temp.len = (size_t)sockname_temp_len; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 215 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 216 | *port = grpc_sockaddr_get_port(&sockname_temp); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 217 | return GRPC_ERROR_NONE; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 218 | |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 219 | failure: |
| 220 | GPR_ASSERT(error != GRPC_ERROR_NONE); |
| 221 | char *tgtaddr = grpc_sockaddr_to_uri(addr); |
Jan Tattermusch | df71518 | 2017-01-11 10:44:41 +0100 | [diff] [blame] | 222 | grpc_error_set_int( |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 223 | grpc_error_set_str(GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING( |
Craig Tiller | 3e149f3 | 2016-05-17 16:11:04 -0700 | [diff] [blame] | 224 | "Failed to prepare server socket", &error, 1), |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 225 | GRPC_ERROR_STR_TARGET_ADDRESS, |
| 226 | grpc_slice_from_copied_string(tgtaddr)), |
Craig Tiller | 3e149f3 | 2016-05-17 16:11:04 -0700 | [diff] [blame] | 227 | GRPC_ERROR_INT_FD, (intptr_t)sock); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 228 | gpr_free(tgtaddr); |
| 229 | GRPC_ERROR_UNREF(error); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 230 | if (sock != INVALID_SOCKET) closesocket(sock); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 231 | return error; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 232 | } |
| 233 | |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 234 | 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] | 235 | grpc_tcp_listener *sp) { |
Jan Tattermusch | 2f25d98 | 2015-08-03 18:01:26 -0700 | [diff] [blame] | 236 | sp->shutting_down = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 237 | GPR_ASSERT(sp->server->active_ports > 0); |
yang-g | 9aa4f1b | 2016-03-02 16:39:13 -0800 | [diff] [blame] | 238 | if (0 == --sp->server->active_ports) { |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 239 | finish_shutdown_locked(exec_ctx, sp->server); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 240 | } |
Jan Tattermusch | 2f25d98 | 2015-08-03 18:01:26 -0700 | [diff] [blame] | 241 | } |
| 242 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 243 | /* In order to do an async accept, we need to create a socket first which |
| 244 | will be the one assigned to the new incoming connection. */ |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 245 | static grpc_error *start_accept_locked(grpc_exec_ctx *exec_ctx, |
Craig Tiller | fdc17aa | 2016-11-29 13:54:19 -0800 | [diff] [blame] | 246 | grpc_tcp_listener *port) { |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 247 | SOCKET sock = INVALID_SOCKET; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 248 | BOOL success; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 249 | DWORD addrlen = sizeof(struct sockaddr_in6) + 16; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 250 | DWORD bytes_received = 0; |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 251 | grpc_error *error = GRPC_ERROR_NONE; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 252 | |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 253 | if (port->shutting_down) { |
| 254 | return GRPC_ERROR_NONE; |
| 255 | } |
| 256 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 257 | sock = WSASocket(AF_INET6, SOCK_STREAM, IPPROTO_TCP, NULL, 0, |
| 258 | WSA_FLAG_OVERLAPPED); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 259 | if (sock == INVALID_SOCKET) { |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 260 | error = GRPC_WSA_ERROR(WSAGetLastError(), "WSASocket"); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 261 | goto failure; |
| 262 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 263 | |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 264 | error = grpc_tcp_prepare_socket(sock); |
| 265 | if (error != GRPC_ERROR_NONE) goto failure; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 266 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 267 | /* Start the "accept" asynchronously. */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 268 | success = port->AcceptEx(port->socket->socket, sock, port->addresses, 0, |
| 269 | addrlen, addrlen, &bytes_received, |
| 270 | &port->socket->read_info.overlapped); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 271 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 272 | /* It is possible to get an accept immediately without delay. However, we |
| 273 | 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] | 274 | if (!success) { |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 275 | int last_error = WSAGetLastError(); |
| 276 | if (last_error != ERROR_IO_PENDING) { |
| 277 | error = GRPC_WSA_ERROR(last_error, "AcceptEx"); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 278 | goto failure; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 279 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 280 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 281 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 282 | /* We're ready to do the accept. Calling grpc_socket_notify_on_read may |
| 283 | immediately process an accept that happened in the meantime. */ |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 284 | port->new_socket = sock; |
Craig Tiller | 82f9bd8 | 2015-09-23 09:31:51 -0700 | [diff] [blame] | 285 | grpc_socket_notify_on_read(exec_ctx, port->socket, &port->on_accept); |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 286 | port->outstanding_calls++; |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 287 | return error; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 288 | |
| 289 | failure: |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 290 | GPR_ASSERT(error != GRPC_ERROR_NONE); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 291 | if (sock != INVALID_SOCKET) closesocket(sock); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 292 | return error; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 293 | } |
| 294 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 295 | /* Event manager callback when reads are ready. */ |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 296 | 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] | 297 | grpc_tcp_listener *sp = arg; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 298 | SOCKET sock = sp->new_socket; |
| 299 | grpc_winsocket_callback_info *info = &sp->socket->read_info; |
| 300 | grpc_endpoint *ep = NULL; |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 301 | grpc_resolved_address peer_name; |
Craig Tiller | 81bcc4c | 2015-07-20 14:04:18 -0700 | [diff] [blame] | 302 | char *peer_name_string; |
| 303 | char *fd_name; |
chai2010 | e55e183 | 2015-07-14 13:24:48 +0800 | [diff] [blame] | 304 | DWORD transfered_bytes; |
| 305 | DWORD flags; |
| 306 | BOOL wsa_success; |
Jan Tattermusch | 3f7809d | 2015-07-24 13:20:40 -0700 | [diff] [blame] | 307 | int err; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 308 | |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 309 | gpr_mu_lock(&sp->server->mu); |
| 310 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 311 | peer_name.len = sizeof(struct sockaddr_storage); |
| 312 | |
Nicolas "Pixel" Noble | e503cd5 | 2015-07-14 02:27:23 +0200 | [diff] [blame] | 313 | /* The general mechanism for shutting down is to queue abortion calls. While |
| 314 | 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] | 315 | case. We only need to adjust the pending callback count */ |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 316 | if (error != GRPC_ERROR_NONE) { |
| 317 | const char *msg = grpc_error_string(error); |
| 318 | gpr_log(GPR_INFO, "Skipping on_accept due to error: %s", msg); |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 319 | |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 320 | gpr_mu_unlock(&sp->server->mu); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 321 | return; |
| 322 | } |
Nicolas "Pixel" Noble | 404fc6a | 2015-05-02 02:34:39 -0700 | [diff] [blame] | 323 | |
Nicolas "Pixel" Noble | e503cd5 | 2015-07-14 02:27:23 +0200 | [diff] [blame] | 324 | /* 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] | 325 | and act accordingly. */ |
chai2010 | e55e183 | 2015-07-14 13:24:48 +0800 | [diff] [blame] | 326 | transfered_bytes = 0; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 327 | wsa_success = WSAGetOverlappedResult(sock, &info->overlapped, |
| 328 | &transfered_bytes, FALSE, &flags); |
| 329 | if (!wsa_success) { |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 330 | if (!sp->shutting_down) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 331 | char *utf8_message = gpr_format_message(WSAGetLastError()); |
| 332 | gpr_log(GPR_ERROR, "on_accept error: %s", utf8_message); |
| 333 | gpr_free(utf8_message); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 334 | } |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 335 | closesocket(sock); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 336 | } else { |
| 337 | if (!sp->shutting_down) { |
| 338 | peer_name_string = NULL; |
| 339 | err = setsockopt(sock, SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT, |
| 340 | (char *)&sp->socket->socket, sizeof(sp->socket->socket)); |
| 341 | if (err) { |
| 342 | char *utf8_message = gpr_format_message(WSAGetLastError()); |
| 343 | gpr_log(GPR_ERROR, "setsockopt error: %s", utf8_message); |
| 344 | gpr_free(utf8_message); |
| 345 | } |
Craig Tiller | 6108d1f | 2016-10-28 08:43:21 -0700 | [diff] [blame] | 346 | int peer_name_len = (int)peer_name.len; |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 347 | err = |
Craig Tiller | 85fe038 | 2016-10-28 08:43:01 -0700 | [diff] [blame] | 348 | getpeername(sock, (struct sockaddr *)peer_name.addr, &peer_name_len); |
Mario Emmenlauer | d817c1b | 2016-12-13 22:35:50 +0100 | [diff] [blame] | 349 | peer_name.len = (size_t)peer_name_len; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 350 | if (!err) { |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 351 | peer_name_string = grpc_sockaddr_to_uri(&peer_name); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 352 | } else { |
| 353 | char *utf8_message = gpr_format_message(WSAGetLastError()); |
| 354 | gpr_log(GPR_ERROR, "getpeername error: %s", utf8_message); |
| 355 | gpr_free(utf8_message); |
| 356 | } |
| 357 | gpr_asprintf(&fd_name, "tcp_server:%s", peer_name_string); |
Craig Tiller | de09065 | 2017-04-05 14:00:24 -0700 | [diff] [blame] | 358 | ep = grpc_tcp_create(exec_ctx, grpc_winsocket_create(sock, fd_name), |
| 359 | sp->server->channel_args, peer_name_string); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 360 | gpr_free(fd_name); |
| 361 | gpr_free(peer_name_string); |
Craig Tiller | faf8f68 | 2015-10-06 09:12:34 -0700 | [diff] [blame] | 362 | } else { |
| 363 | closesocket(sock); |
Nicolas "Pixel" Noble | 0f981e9 | 2015-05-03 10:40:56 +0200 | [diff] [blame] | 364 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 365 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 366 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 367 | /* The only time we should call our callback, is where we successfully |
| 368 | managed to accept a connection, and created an endpoint. */ |
Craig Tiller | 8ad69bf | 2016-05-20 08:48:22 -0700 | [diff] [blame] | 369 | if (ep) { |
Mark D. Roth | 6c07bf8 | 2016-12-09 08:38:38 -0800 | [diff] [blame] | 370 | // Create acceptor. |
| 371 | grpc_tcp_server_acceptor *acceptor = gpr_malloc(sizeof(*acceptor)); |
| 372 | acceptor->from_server = sp->server; |
| 373 | acceptor->port_index = sp->port_index; |
| 374 | acceptor->fd_index = 0; |
Craig Tiller | e004958 | 2016-05-20 10:31:09 -0700 | [diff] [blame] | 375 | 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] | 376 | acceptor); |
Craig Tiller | 8ad69bf | 2016-05-20 08:48:22 -0700 | [diff] [blame] | 377 | } |
Nicolas "Pixel" Noble | 0f981e9 | 2015-05-03 10:40:56 +0200 | [diff] [blame] | 378 | /* 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] | 379 | the former socked we created has now either been destroy or assigned |
| 380 | to the new connection. We need to create a new one for the next |
| 381 | connection. */ |
Craig Tiller | fdc17aa | 2016-11-29 13:54:19 -0800 | [diff] [blame] | 382 | GPR_ASSERT( |
| 383 | GRPC_LOG_IF_ERROR("start_accept", start_accept_locked(exec_ctx, sp))); |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 384 | if (0 == --sp->outstanding_calls) { |
| 385 | decrement_active_ports_and_notify_locked(exec_ctx, sp); |
| 386 | } |
| 387 | gpr_mu_unlock(&sp->server->mu); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 388 | } |
| 389 | |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 390 | 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] | 391 | const grpc_resolved_address *addr, |
| 392 | unsigned port_index, |
Craig Tiller | 3e149f3 | 2016-05-17 16:11:04 -0700 | [diff] [blame] | 393 | grpc_tcp_listener **listener) { |
Nicolas Noble | 8f71462 | 2015-11-19 11:16:54 -0800 | [diff] [blame] | 394 | grpc_tcp_listener *sp = NULL; |
Ken Payson | 8891ef5 | 2016-06-22 16:47:52 -0700 | [diff] [blame] | 395 | int port = -1; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 396 | int status; |
| 397 | GUID guid = WSAID_ACCEPTEX; |
| 398 | DWORD ioctl_num_bytes; |
| 399 | LPFN_ACCEPTEX AcceptEx; |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 400 | grpc_error *error = GRPC_ERROR_NONE; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 401 | |
Nicolas "Pixel" Noble | 8e1a55d | 2015-05-02 15:21:25 -0700 | [diff] [blame] | 402 | /* We need to grab the AcceptEx pointer for that port, as it may be |
| 403 | interface-dependent. We'll cache it to avoid doing that again. */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 404 | status = |
| 405 | WSAIoctl(sock, SIO_GET_EXTENSION_FUNCTION_POINTER, &guid, sizeof(guid), |
| 406 | &AcceptEx, sizeof(AcceptEx), &ioctl_num_bytes, NULL, NULL); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 407 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 408 | if (status != 0) { |
| 409 | char *utf8_message = gpr_format_message(WSAGetLastError()); |
| 410 | gpr_log(GPR_ERROR, "on_connect error: %s", utf8_message); |
| 411 | gpr_free(utf8_message); |
| 412 | closesocket(sock); |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 413 | return NULL; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 414 | } |
Craig Tiller | 45724b3 | 2015-09-22 10:42:19 -0700 | [diff] [blame] | 415 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 416 | error = prepare_socket(sock, addr, &port); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 417 | if (error != GRPC_ERROR_NONE) { |
| 418 | return error; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 419 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 420 | |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 421 | GPR_ASSERT(port >= 0); |
| 422 | gpr_mu_lock(&s->mu); |
| 423 | GPR_ASSERT(!s->on_accept_cb && "must add ports before starting server"); |
| 424 | sp = gpr_malloc(sizeof(grpc_tcp_listener)); |
| 425 | sp->next = NULL; |
| 426 | if (s->head == NULL) { |
| 427 | s->head = sp; |
| 428 | } else { |
| 429 | s->tail->next = sp; |
| 430 | } |
| 431 | s->tail = sp; |
| 432 | sp->server = s; |
| 433 | sp->socket = grpc_winsocket_create(sock, "listener"); |
| 434 | sp->shutting_down = 0; |
Craig Tiller | cbafdd1 | 2016-11-29 13:54:00 -0800 | [diff] [blame] | 435 | sp->outstanding_calls = 0; |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 436 | sp->AcceptEx = AcceptEx; |
| 437 | sp->new_socket = INVALID_SOCKET; |
| 438 | sp->port = port; |
| 439 | sp->port_index = port_index; |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 440 | 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] | 441 | GPR_ASSERT(sp->socket); |
| 442 | gpr_mu_unlock(&s->mu); |
| 443 | *listener = sp; |
| 444 | |
| 445 | return GRPC_ERROR_NONE; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 446 | } |
| 447 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 448 | grpc_error *grpc_tcp_server_add_port(grpc_tcp_server *s, |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 449 | const grpc_resolved_address *addr, |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 450 | int *port) { |
Craig Tiller | 5352ff1 | 2016-05-18 10:44:38 -0700 | [diff] [blame] | 451 | grpc_tcp_listener *sp = NULL; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 452 | SOCKET sock; |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 453 | grpc_resolved_address addr6_v4mapped; |
| 454 | grpc_resolved_address wildcard; |
| 455 | grpc_resolved_address *allocated_addr = NULL; |
| 456 | grpc_resolved_address sockname_temp; |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 457 | unsigned port_index = 0; |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 458 | grpc_error *error = GRPC_ERROR_NONE; |
| 459 | |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 460 | if (s->tail != NULL) { |
| 461 | port_index = s->tail->port_index + 1; |
| 462 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 463 | |
| 464 | /* Check if this is a wildcard port, and if so, try to keep the port the same |
| 465 | as some previously created listener. */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 466 | if (grpc_sockaddr_get_port(addr) == 0) { |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 467 | for (sp = s->head; sp; sp = sp->next) { |
Craig Tiller | 85fe038 | 2016-10-28 08:43:01 -0700 | [diff] [blame] | 468 | int sockname_temp_len = sizeof(struct sockaddr_storage); |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 469 | if (0 == getsockname(sp->socket->socket, |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 470 | (struct sockaddr *)sockname_temp.addr, |
Craig Tiller | 85fe038 | 2016-10-28 08:43:01 -0700 | [diff] [blame] | 471 | &sockname_temp_len)) { |
Mario Emmenlauer | d817c1b | 2016-12-13 22:35:50 +0100 | [diff] [blame] | 472 | sockname_temp.len = (size_t)sockname_temp_len; |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 473 | *port = grpc_sockaddr_get_port(&sockname_temp); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 474 | if (*port > 0) { |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 475 | allocated_addr = gpr_malloc(sizeof(grpc_resolved_address)); |
| 476 | memcpy(allocated_addr, addr, sizeof(grpc_resolved_address)); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 477 | grpc_sockaddr_set_port(allocated_addr, *port); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 478 | addr = allocated_addr; |
| 479 | break; |
| 480 | } |
| 481 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 482 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 483 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 484 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 485 | if (grpc_sockaddr_to_v4mapped(addr, &addr6_v4mapped)) { |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 486 | addr = &addr6_v4mapped; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 487 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 488 | |
| 489 | /* Treat :: or 0.0.0.0 as a family-agnostic wildcard. */ |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 490 | if (grpc_sockaddr_is_wildcard(addr, port)) { |
| 491 | grpc_sockaddr_make_wildcard6(*port, &wildcard); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 492 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 493 | addr = &wildcard; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 494 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 495 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 496 | sock = WSASocket(AF_INET6, SOCK_STREAM, IPPROTO_TCP, NULL, 0, |
| 497 | WSA_FLAG_OVERLAPPED); |
| 498 | if (sock == INVALID_SOCKET) { |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 499 | error = GRPC_WSA_ERROR(WSAGetLastError(), "WSASocket"); |
| 500 | goto done; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 501 | } |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 502 | |
Michael Lumish | 77c6cce | 2016-09-26 13:51:57 -0700 | [diff] [blame] | 503 | error = add_socket_to_server(s, sock, addr, port_index, &sp); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 504 | |
| 505 | done: |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 506 | gpr_free(allocated_addr); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 507 | |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 508 | if (error != GRPC_ERROR_NONE) { |
ncteisen | 4b36a3d | 2017-03-13 19:08:06 -0700 | [diff] [blame] | 509 | grpc_error *error_out = GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING( |
Craig Tiller | 3e149f3 | 2016-05-17 16:11:04 -0700 | [diff] [blame] | 510 | "Failed to add port to server", &error, 1); |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 511 | GRPC_ERROR_UNREF(error); |
| 512 | error = error_out; |
Craig Tiller | 5352ff1 | 2016-05-18 10:44:38 -0700 | [diff] [blame] | 513 | *port = -1; |
| 514 | } else { |
| 515 | GPR_ASSERT(sp != NULL); |
| 516 | *port = sp->port; |
Dan Born | fa6b606 | 2016-01-08 21:01:59 -0800 | [diff] [blame] | 517 | } |
Craig Tiller | a41ac57 | 2016-05-17 16:08:17 -0700 | [diff] [blame] | 518 | return error; |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 519 | } |
| 520 | |
Craig Tiller | 565b18b | 2015-09-23 10:09:42 -0700 | [diff] [blame] | 521 | void grpc_tcp_server_start(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s, |
| 522 | grpc_pollset **pollset, size_t pollset_count, |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 523 | grpc_tcp_server_cb on_accept_cb, |
| 524 | void *on_accept_cb_arg) { |
Nicolas Noble | 8f71462 | 2015-11-19 11:16:54 -0800 | [diff] [blame] | 525 | grpc_tcp_listener *sp; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 526 | GPR_ASSERT(on_accept_cb); |
| 527 | gpr_mu_lock(&s->mu); |
| 528 | GPR_ASSERT(!s->on_accept_cb); |
| 529 | GPR_ASSERT(s->active_ports == 0); |
Robbie Shade | 3cd2d18 | 2015-08-28 14:30:35 -0400 | [diff] [blame] | 530 | s->on_accept_cb = on_accept_cb; |
| 531 | s->on_accept_cb_arg = on_accept_cb_arg; |
Nicolas Noble | 5eb4e1c | 2015-11-18 17:19:45 -0800 | [diff] [blame] | 532 | for (sp = s->head; sp; sp = sp->next) { |
Craig Tiller | fdc17aa | 2016-11-29 13:54:19 -0800 | [diff] [blame] | 533 | GPR_ASSERT( |
| 534 | GRPC_LOG_IF_ERROR("start_accept", start_accept_locked(exec_ctx, sp))); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 535 | s->active_ports++; |
| 536 | } |
| 537 | gpr_mu_unlock(&s->mu); |
Nicolas "Pixel" Noble | 0f3ec82 | 2015-02-05 19:40:38 +0100 | [diff] [blame] | 538 | } |
| 539 | |
yang-g | 9275d40 | 2016-07-11 16:51:39 -0700 | [diff] [blame] | 540 | void grpc_tcp_server_shutdown_listeners(grpc_exec_ctx *exec_ctx, |
| 541 | grpc_tcp_server *s) {} |
| 542 | |
murgatroid99 | 623dd4f | 2016-08-08 17:31:27 -0700 | [diff] [blame] | 543 | #endif /* GRPC_WINSOCK_SOCKET */ |