Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 1 | /* mncc_sock.c: Tie the MNCC interface to a unix domain socket */ |
| 2 | |
| 3 | /* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org> |
| 4 | * (C) 2009 by Andreas Eversberg <Andreas.Eversberg@versatel.de> |
Holger Hans Peter Freyther | 9e7837a | 2012-01-15 00:38:35 +0100 | [diff] [blame] | 5 | * (C) 2012 by Holger Hans Peter Freyther |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 6 | * All Rights Reserved |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License along |
| 19 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include <stdio.h> |
| 25 | #include <unistd.h> |
| 26 | #include <stdlib.h> |
| 27 | #include <string.h> |
| 28 | #include <errno.h> |
Harald Welte | 49a2dde | 2010-12-22 22:56:15 +0100 | [diff] [blame] | 29 | #include <assert.h> |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 30 | #include <sys/socket.h> |
| 31 | #include <sys/un.h> |
| 32 | |
Pablo Neira Ayuso | 136f453 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 33 | #include <osmocom/core/talloc.h> |
| 34 | #include <osmocom/core/select.h> |
Vadim Yanitskiy | d091b8d | 2016-07-20 21:40:54 +0600 | [diff] [blame] | 35 | #include <osmocom/core/socket.h> |
Pablo Neira Ayuso | 136f453 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 36 | #include <osmocom/gsm/protocol/gsm_04_08.h> |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 37 | |
Neels Hofmeyr | 9084396 | 2017-09-04 15:04:35 +0200 | [diff] [blame] | 38 | #include <osmocom/msc/debug.h> |
| 39 | #include <osmocom/msc/mncc.h> |
| 40 | #include <osmocom/msc/gsm_data.h> |
Max | 43b01b0 | 2017-09-15 11:22:30 +0200 | [diff] [blame] | 41 | #include <osmocom/msc/gsm_04_08.h> |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 42 | |
| 43 | struct mncc_sock_state { |
| 44 | struct gsm_network *net; |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 45 | struct osmo_fd listen_bfd; /* fd for listen socket */ |
| 46 | struct osmo_fd conn_bfd; /* fd for connection to lcr */ |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 47 | }; |
| 48 | |
Harald Welte | ea057d9 | 2010-12-23 01:26:29 +0100 | [diff] [blame] | 49 | /* input from CC code into mncc_sock */ |
Holger Hans Peter Freyther | 1cc7184 | 2011-01-06 14:13:44 +0100 | [diff] [blame] | 50 | int mncc_sock_from_cc(struct gsm_network *net, struct msgb *msg) |
Harald Welte | ea057d9 | 2010-12-23 01:26:29 +0100 | [diff] [blame] | 51 | { |
Holger Hans Peter Freyther | 02d45c0 | 2011-01-06 13:50:52 +0100 | [diff] [blame] | 52 | struct gsm_mncc *mncc_in = (struct gsm_mncc *) msgb_data(msg); |
Harald Welte | ea057d9 | 2010-12-23 01:26:29 +0100 | [diff] [blame] | 53 | int msg_type = mncc_in->msg_type; |
| 54 | |
| 55 | /* Check if we currently have a MNCC handler connected */ |
Holger Hans Peter Freyther | 694c82d | 2011-10-26 18:37:09 +0200 | [diff] [blame] | 56 | if (net->mncc_state->conn_bfd.fd < 0) { |
Harald Welte | ea057d9 | 2010-12-23 01:26:29 +0100 | [diff] [blame] | 57 | LOGP(DMNCC, LOGL_ERROR, "mncc_sock receives %s for external CC app " |
| 58 | "but socket is gone\n", get_mncc_name(msg_type)); |
Harald Welte | ea057d9 | 2010-12-23 01:26:29 +0100 | [diff] [blame] | 59 | /* free the original message */ |
| 60 | msgb_free(msg); |
Holger Hans Peter Freyther | 1cc7184 | 2011-01-06 14:13:44 +0100 | [diff] [blame] | 61 | return -1; |
Harald Welte | ea057d9 | 2010-12-23 01:26:29 +0100 | [diff] [blame] | 62 | } |
| 63 | |
| 64 | /* FIXME: check for some maximum queue depth? */ |
| 65 | |
| 66 | /* Actually enqueue the message and mark socket write need */ |
| 67 | msgb_enqueue(&net->upqueue, msg); |
Harald Welte | 4dc5dcf | 2020-10-19 13:13:36 +0200 | [diff] [blame] | 68 | osmo_fd_write_enable(&net->mncc_state->conn_bfd); |
Holger Hans Peter Freyther | 1cc7184 | 2011-01-06 14:13:44 +0100 | [diff] [blame] | 69 | return 0; |
Harald Welte | ea057d9 | 2010-12-23 01:26:29 +0100 | [diff] [blame] | 70 | } |
| 71 | |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 72 | static void mncc_sock_close(struct mncc_sock_state *state) |
| 73 | { |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 74 | struct osmo_fd *bfd = &state->conn_bfd; |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 75 | |
Harald Welte | 0d6f930 | 2010-12-23 02:47:28 +0100 | [diff] [blame] | 76 | LOGP(DMNCC, LOGL_NOTICE, "MNCC Socket has LOST connection\n"); |
| 77 | |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 78 | close(bfd->fd); |
| 79 | bfd->fd = -1; |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 80 | osmo_fd_unregister(bfd); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 81 | |
| 82 | /* re-enable the generation of ACCEPT for new connections */ |
Harald Welte | 4dc5dcf | 2020-10-19 13:13:36 +0200 | [diff] [blame] | 83 | osmo_fd_read_enable(&state->listen_bfd); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 84 | |
Martin Hauke | 3f07dac | 2019-11-14 17:49:08 +0100 | [diff] [blame] | 85 | /* release all existing calls */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 86 | gsm0408_clear_all_trans(state->net, TRANS_CC); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 87 | |
| 88 | /* flush the queue */ |
| 89 | while (!llist_empty(&state->net->upqueue)) { |
| 90 | struct msgb *msg = msgb_dequeue(&state->net->upqueue); |
| 91 | msgb_free(msg); |
| 92 | } |
| 93 | } |
| 94 | |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 95 | static int mncc_sock_read(struct osmo_fd *bfd) |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 96 | { |
| 97 | struct mncc_sock_state *state = (struct mncc_sock_state *)bfd->data; |
| 98 | struct gsm_mncc *mncc_prim; |
| 99 | struct msgb *msg; |
| 100 | int rc; |
| 101 | |
| 102 | msg = msgb_alloc(sizeof(*mncc_prim)+256, "mncc_sock_rx"); |
| 103 | if (!msg) |
| 104 | return -ENOMEM; |
| 105 | |
| 106 | mncc_prim = (struct gsm_mncc *) msg->tail; |
| 107 | |
| 108 | rc = recv(bfd->fd, msg->tail, msgb_tailroom(msg), 0); |
| 109 | if (rc == 0) |
| 110 | goto close; |
| 111 | |
| 112 | if (rc < 0) { |
| 113 | if (errno == EAGAIN) |
| 114 | return 0; |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 115 | goto close; |
| 116 | } |
Harald Welte | 5718429 | 2018-01-22 01:49:02 +0100 | [diff] [blame] | 117 | msgb_put(msg, rc); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 118 | |
Harald Welte | 5718429 | 2018-01-22 01:49:02 +0100 | [diff] [blame] | 119 | rc = mncc_prim_check(mncc_prim, rc); |
| 120 | if (rc == 0) |
Neels Hofmeyr | 5255874 | 2019-05-09 01:23:09 +0200 | [diff] [blame] | 121 | rc = mncc_tx_to_cc(state->net, mncc_prim); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 122 | |
| 123 | /* as we always synchronously process the message in mncc_send() and |
| 124 | * its callbacks, we can free the message here. */ |
| 125 | msgb_free(msg); |
| 126 | |
| 127 | return rc; |
| 128 | |
| 129 | close: |
Harald Welte | eb76c7a | 2010-12-23 02:47:53 +0100 | [diff] [blame] | 130 | msgb_free(msg); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 131 | mncc_sock_close(state); |
| 132 | return -1; |
| 133 | } |
| 134 | |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 135 | static int mncc_sock_write(struct osmo_fd *bfd) |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 136 | { |
| 137 | struct mncc_sock_state *state = bfd->data; |
| 138 | struct gsm_network *net = state->net; |
| 139 | int rc; |
| 140 | |
| 141 | while (!llist_empty(&net->upqueue)) { |
Harald Welte | 49a2dde | 2010-12-22 22:56:15 +0100 | [diff] [blame] | 142 | struct msgb *msg, *msg2; |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 143 | struct gsm_mncc *mncc_prim; |
| 144 | |
| 145 | /* peek at the beginning of the queue */ |
| 146 | msg = llist_entry(net->upqueue.next, struct msgb, list); |
| 147 | mncc_prim = (struct gsm_mncc *)msg->data; |
| 148 | |
Harald Welte | 4dc5dcf | 2020-10-19 13:13:36 +0200 | [diff] [blame] | 149 | osmo_fd_write_disable(bfd); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 150 | |
Peter Stuge | 46f799b | 2011-08-11 04:37:17 +0200 | [diff] [blame] | 151 | /* bug hunter 8-): maybe someone forgot msgb_put(...) ? */ |
| 152 | if (!msgb_length(msg)) { |
| 153 | LOGP(DMNCC, LOGL_ERROR, "message type (%d) with ZERO " |
| 154 | "bytes!\n", mncc_prim->msg_type); |
| 155 | goto dontsend; |
| 156 | } |
| 157 | |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 158 | /* try to send it over the socket */ |
| 159 | rc = write(bfd->fd, msgb_data(msg), msgb_length(msg)); |
| 160 | if (rc == 0) |
| 161 | goto close; |
| 162 | if (rc < 0) { |
| 163 | if (errno == EAGAIN) { |
Harald Welte | 4dc5dcf | 2020-10-19 13:13:36 +0200 | [diff] [blame] | 164 | osmo_fd_write_enable(bfd); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 165 | break; |
| 166 | } |
| 167 | goto close; |
| 168 | } |
Peter Stuge | 46f799b | 2011-08-11 04:37:17 +0200 | [diff] [blame] | 169 | |
| 170 | dontsend: |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 171 | /* _after_ we send it, we can deueue */ |
Harald Welte | 49a2dde | 2010-12-22 22:56:15 +0100 | [diff] [blame] | 172 | msg2 = msgb_dequeue(&net->upqueue); |
| 173 | assert(msg == msg2); |
| 174 | msgb_free(msg); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 175 | } |
| 176 | return 0; |
| 177 | |
| 178 | close: |
| 179 | mncc_sock_close(state); |
| 180 | |
| 181 | return -1; |
| 182 | } |
| 183 | |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 184 | static int mncc_sock_cb(struct osmo_fd *bfd, unsigned int flags) |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 185 | { |
| 186 | int rc = 0; |
| 187 | |
Pau Espin Pedrol | c95c0b6 | 2020-05-09 19:18:40 +0200 | [diff] [blame] | 188 | if (flags & OSMO_FD_READ) |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 189 | rc = mncc_sock_read(bfd); |
| 190 | if (rc < 0) |
| 191 | return rc; |
| 192 | |
Pau Espin Pedrol | c95c0b6 | 2020-05-09 19:18:40 +0200 | [diff] [blame] | 193 | if (flags & OSMO_FD_WRITE) |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 194 | rc = mncc_sock_write(bfd); |
| 195 | |
| 196 | return rc; |
| 197 | } |
| 198 | |
Holger Hans Peter Freyther | 347e7ba | 2011-10-21 14:12:46 +0200 | [diff] [blame] | 199 | /** |
| 200 | * Send a version indication to the remote. |
| 201 | */ |
| 202 | static void queue_hello(struct mncc_sock_state *mncc) |
| 203 | { |
| 204 | struct gsm_mncc_hello *hello; |
| 205 | struct msgb *msg; |
| 206 | |
| 207 | msg = msgb_alloc(512, "mncc hello"); |
| 208 | if (!msg) { |
| 209 | LOGP(DMNCC, LOGL_ERROR, "Failed to allocate hello.\n"); |
| 210 | mncc_sock_close(mncc); |
| 211 | return; |
| 212 | } |
| 213 | |
| 214 | hello = (struct gsm_mncc_hello *) msgb_put(msg, sizeof(*hello)); |
| 215 | hello->msg_type = MNCC_SOCKET_HELLO; |
| 216 | hello->version = MNCC_SOCK_VERSION; |
Holger Hans Peter Freyther | 9e7837a | 2012-01-15 00:38:35 +0100 | [diff] [blame] | 217 | hello->mncc_size = sizeof(struct gsm_mncc); |
| 218 | hello->data_frame_size = sizeof(struct gsm_data_frame); |
| 219 | hello->called_offset = offsetof(struct gsm_mncc, called); |
| 220 | hello->signal_offset = offsetof(struct gsm_mncc, signal); |
| 221 | hello->emergency_offset = offsetof(struct gsm_mncc, emergency); |
Keith | f02d17f | 2018-08-10 15:01:46 +0200 | [diff] [blame] | 222 | hello->lchan_type_offset = offsetof(struct gsm_mncc, lchan_type); |
Holger Hans Peter Freyther | 347e7ba | 2011-10-21 14:12:46 +0200 | [diff] [blame] | 223 | |
| 224 | msgb_enqueue(&mncc->net->upqueue, msg); |
Harald Welte | 4dc5dcf | 2020-10-19 13:13:36 +0200 | [diff] [blame] | 225 | osmo_fd_write_enable(&mncc->conn_bfd); |
Holger Hans Peter Freyther | 347e7ba | 2011-10-21 14:12:46 +0200 | [diff] [blame] | 226 | } |
| 227 | |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 228 | /* accept a new connection */ |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 229 | static int mncc_sock_accept(struct osmo_fd *bfd, unsigned int flags) |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 230 | { |
| 231 | struct mncc_sock_state *state = (struct mncc_sock_state *)bfd->data; |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 232 | struct osmo_fd *conn_bfd = &state->conn_bfd; |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 233 | struct sockaddr_un un_addr; |
| 234 | socklen_t len; |
| 235 | int rc; |
| 236 | |
| 237 | len = sizeof(un_addr); |
| 238 | rc = accept(bfd->fd, (struct sockaddr *) &un_addr, &len); |
| 239 | if (rc < 0) { |
Harald Welte | 0d6f930 | 2010-12-23 02:47:28 +0100 | [diff] [blame] | 240 | LOGP(DMNCC, LOGL_ERROR, "Failed to accept a new connection\n"); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 241 | return -1; |
| 242 | } |
| 243 | |
Harald Welte | 0d6f930 | 2010-12-23 02:47:28 +0100 | [diff] [blame] | 244 | if (conn_bfd->fd >= 0) { |
| 245 | LOGP(DMNCC, LOGL_NOTICE, "MNCC app connects but we already have " |
| 246 | "another active connection ?!?\n"); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 247 | /* We already have one MNCC app connected, this is all we support */ |
Harald Welte | 4dc5dcf | 2020-10-19 13:13:36 +0200 | [diff] [blame] | 248 | osmo_fd_read_disable(&state->listen_bfd); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 249 | close(rc); |
Harald Welte | 0d6f930 | 2010-12-23 02:47:28 +0100 | [diff] [blame] | 250 | return 0; |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 251 | } |
| 252 | |
Harald Welte | aa29e33 | 2020-10-19 13:10:50 +0200 | [diff] [blame] | 253 | osmo_fd_setup(conn_bfd, rc, OSMO_FD_READ, mncc_sock_cb, state, 0); |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 254 | if (osmo_fd_register(conn_bfd) != 0) { |
Harald Welte | 0d6f930 | 2010-12-23 02:47:28 +0100 | [diff] [blame] | 255 | LOGP(DMNCC, LOGL_ERROR, "Failed to register new connection fd\n"); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 256 | close(conn_bfd->fd); |
| 257 | conn_bfd->fd = -1; |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 258 | return -1; |
| 259 | } |
| 260 | |
Harald Welte | 0d6f930 | 2010-12-23 02:47:28 +0100 | [diff] [blame] | 261 | LOGP(DMNCC, LOGL_NOTICE, "MNCC Socket has connection with external " |
| 262 | "call control application\n"); |
| 263 | |
Holger Hans Peter Freyther | 347e7ba | 2011-10-21 14:12:46 +0200 | [diff] [blame] | 264 | queue_hello(state); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 265 | return 0; |
| 266 | } |
| 267 | |
| 268 | |
Neels Hofmeyr | 0ade632 | 2016-02-23 14:55:17 +0100 | [diff] [blame] | 269 | int mncc_sock_init(struct gsm_network *net, const char *sock_path) |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 270 | { |
| 271 | struct mncc_sock_state *state; |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 272 | struct osmo_fd *bfd; |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 273 | int rc; |
| 274 | |
Neels Hofmeyr | c01e909 | 2018-03-22 15:56:49 +0100 | [diff] [blame] | 275 | state = talloc_zero(net, struct mncc_sock_state); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 276 | if (!state) |
| 277 | return -ENOMEM; |
| 278 | |
| 279 | state->net = net; |
| 280 | state->conn_bfd.fd = -1; |
| 281 | |
| 282 | bfd = &state->listen_bfd; |
| 283 | |
Vadim Yanitskiy | d091b8d | 2016-07-20 21:40:54 +0600 | [diff] [blame] | 284 | bfd->fd = osmo_sock_unix_init(SOCK_SEQPACKET, 0, sock_path, |
| 285 | OSMO_SOCK_F_BIND); |
| 286 | if (bfd->fd < 0) { |
Neels Hofmeyr | 0ade632 | 2016-02-23 14:55:17 +0100 | [diff] [blame] | 287 | LOGP(DMNCC, LOGL_ERROR, "Could not create unix socket: %s: %s\n", |
| 288 | sock_path, strerror(errno)); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 289 | talloc_free(state); |
Vadim Yanitskiy | d091b8d | 2016-07-20 21:40:54 +0600 | [diff] [blame] | 290 | return -1; |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 291 | } |
| 292 | |
Harald Welte | aa29e33 | 2020-10-19 13:10:50 +0200 | [diff] [blame] | 293 | osmo_fd_setup(bfd, bfd->fd, OSMO_FD_READ, mncc_sock_accept, state, 0); |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 294 | rc = osmo_fd_register(bfd); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 295 | if (rc < 0) { |
Harald Welte | 0d6f930 | 2010-12-23 02:47:28 +0100 | [diff] [blame] | 296 | LOGP(DMNCC, LOGL_ERROR, "Could not register listen fd: %d\n", rc); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 297 | close(bfd->fd); |
| 298 | talloc_free(state); |
| 299 | return rc; |
| 300 | } |
| 301 | |
Holger Hans Peter Freyther | 694c82d | 2011-10-26 18:37:09 +0200 | [diff] [blame] | 302 | net->mncc_state = state; |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 303 | |
Neels Hofmeyr | 0ade632 | 2016-02-23 14:55:17 +0100 | [diff] [blame] | 304 | LOGP(DMNCC, LOGL_NOTICE, "MNCC socket at %s\n", sock_path); |
Harald Welte | 31bbbf4 | 2010-12-23 00:02:51 +0100 | [diff] [blame] | 305 | return 0; |
| 306 | } |