Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 1 | #include "internal.h" |
| 2 | |
| 3 | #include <stdio.h> |
| 4 | #include <unistd.h> |
| 5 | #include <stdlib.h> |
| 6 | #include <errno.h> |
| 7 | #include <string.h> |
| 8 | #include <time.h> |
| 9 | #include <sys/fcntl.h> |
| 10 | #include <sys/socket.h> |
| 11 | #include <sys/ioctl.h> |
| 12 | #include <arpa/inet.h> |
| 13 | |
| 14 | #include <osmocom/core/select.h> |
| 15 | #include <osmocom/gsm/tlv.h> |
| 16 | #include <osmocom/core/msgb.h> |
| 17 | #include <osmocom/core/logging.h> |
Harald Welte | 71d87b2 | 2011-07-18 14:49:56 +0200 | [diff] [blame] | 18 | #include <osmocom/core/talloc.h> |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 19 | #include <osmocom/abis/e1_input.h> |
| 20 | #include <osmocom/abis/ipaccess.h> |
| 21 | #include <osmocom/core/socket.h> |
Pablo Neira Ayuso | ef13269 | 2013-07-08 01:17:27 +0200 | [diff] [blame] | 22 | #include <osmocom/core/backtrace.h> |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 23 | |
| 24 | #include <osmocom/abis/ipa.h> |
| 25 | |
| 26 | #define IPA_ALLOC_SIZE 1200 |
| 27 | |
Pablo Neira Ayuso | 88136fc | 2011-07-08 16:21:55 +0200 | [diff] [blame] | 28 | struct msgb *ipa_msg_alloc(int headroom) |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 29 | { |
Pablo Neira Ayuso | 88136fc | 2011-07-08 16:21:55 +0200 | [diff] [blame] | 30 | struct msgb *nmsg; |
| 31 | |
| 32 | headroom += sizeof(struct ipaccess_head); |
| 33 | |
| 34 | nmsg = msgb_alloc_headroom(1200 + headroom, headroom, "Abis/IP"); |
| 35 | if (!nmsg) |
| 36 | return NULL; |
| 37 | return nmsg; |
| 38 | } |
| 39 | |
| 40 | void ipa_msg_push_header(struct msgb *msg, uint8_t proto) |
| 41 | { |
| 42 | struct ipaccess_head *hh; |
| 43 | |
| 44 | msg->l2h = msg->data; |
| 45 | hh = (struct ipaccess_head *) msgb_push(msg, sizeof(*hh)); |
| 46 | hh->proto = proto; |
| 47 | hh->len = htons(msgb_l2len(msg)); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 48 | } |
| 49 | |
| 50 | int ipa_msg_recv(int fd, struct msgb **rmsg) |
| 51 | { |
Jacob Erlbeck | 98af3c3 | 2014-03-31 10:53:32 +0200 | [diff] [blame] | 52 | int rc = ipa_msg_recv_buffered(fd, rmsg, NULL); |
| 53 | if (rc < 0) { |
| 54 | errno = -rc; |
| 55 | rc = -1; |
| 56 | } |
| 57 | return rc; |
| 58 | } |
| 59 | |
| 60 | int ipa_msg_recv_buffered(int fd, struct msgb **rmsg, struct msgb **tmp_msg) |
| 61 | { |
| 62 | struct msgb *msg = tmp_msg ? *tmp_msg : NULL; |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 63 | struct ipaccess_head *hh; |
| 64 | int len, ret; |
Jacob Erlbeck | 98af3c3 | 2014-03-31 10:53:32 +0200 | [diff] [blame] | 65 | int needed; |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 66 | |
Harald Welte | f0d4a22 | 2014-08-17 18:42:13 +0200 | [diff] [blame] | 67 | if (msg == NULL) { |
Jacob Erlbeck | 98af3c3 | 2014-03-31 10:53:32 +0200 | [diff] [blame] | 68 | msg = ipa_msg_alloc(0); |
Holger Hans Peter Freyther | 46c40b8 | 2014-08-18 20:25:07 +0200 | [diff] [blame] | 69 | if (msg == NULL) { |
| 70 | ret = -ENOMEM; |
| 71 | goto discard_msg; |
| 72 | } |
Harald Welte | f0d4a22 | 2014-08-17 18:42:13 +0200 | [diff] [blame] | 73 | msg->l1h = msg->tail; |
| 74 | } |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 75 | |
Jacob Erlbeck | 98af3c3 | 2014-03-31 10:53:32 +0200 | [diff] [blame] | 76 | if (msg->l2h == NULL) { |
| 77 | /* first read our 3-byte header */ |
| 78 | needed = sizeof(*hh) - msg->len; |
| 79 | ret = recv(fd, msg->tail, needed, 0); |
| 80 | if (ret == 0) |
| 81 | goto discard_msg; |
| 82 | |
| 83 | if (ret < 0) { |
| 84 | if (errno == EAGAIN || errno == EINTR) |
| 85 | ret = 0; |
| 86 | else { |
| 87 | ret = -errno; |
| 88 | goto discard_msg; |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | msgb_put(msg, ret); |
| 93 | |
| 94 | if (ret < needed) { |
| 95 | if (msg->len == 0) { |
| 96 | ret = -EAGAIN; |
| 97 | goto discard_msg; |
| 98 | } |
| 99 | |
| 100 | LOGP(DLINP, LOGL_INFO, |
| 101 | "Received part of IPA message header (%d/%d)\n", |
| 102 | msg->len, sizeof(*hh)); |
| 103 | if (!tmp_msg) { |
| 104 | ret = -EIO; |
| 105 | goto discard_msg; |
| 106 | } |
| 107 | *tmp_msg = msg; |
| 108 | return -EAGAIN; |
| 109 | } |
| 110 | |
| 111 | msg->l2h = msg->tail; |
| 112 | } |
| 113 | |
| 114 | hh = (struct ipaccess_head *) msg->data; |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 115 | |
| 116 | /* then read the length as specified in header */ |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 117 | len = ntohs(hh->len); |
| 118 | |
| 119 | if (len < 0 || IPA_ALLOC_SIZE < len + sizeof(*hh)) { |
Pablo Neira Ayuso | 32c883a | 2011-09-09 01:01:36 +0200 | [diff] [blame] | 120 | LOGP(DLINP, LOGL_ERROR, "bad message length of %d bytes, " |
Jacob Erlbeck | 98af3c3 | 2014-03-31 10:53:32 +0200 | [diff] [blame] | 121 | "received %d bytes\n", len, msg->len); |
| 122 | ret = -EIO; |
| 123 | goto discard_msg; |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 124 | } |
| 125 | |
Jacob Erlbeck | 98af3c3 | 2014-03-31 10:53:32 +0200 | [diff] [blame] | 126 | needed = len - msgb_l2len(msg); |
| 127 | |
| 128 | if (needed > 0) { |
| 129 | ret = recv(fd, msg->tail, needed, 0); |
| 130 | |
| 131 | if (ret == 0) |
| 132 | goto discard_msg; |
| 133 | |
| 134 | if (ret < 0) { |
| 135 | if (errno == EAGAIN || errno == EINTR) |
| 136 | ret = 0; |
| 137 | else { |
| 138 | ret = -errno; |
| 139 | goto discard_msg; |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | msgb_put(msg, ret); |
| 144 | |
| 145 | if (ret < needed) { |
| 146 | LOGP(DLINP, LOGL_INFO, |
| 147 | "Received part of IPA message L2 data (%d/%d)\n", |
| 148 | msgb_l2len(msg), len); |
| 149 | if (!tmp_msg) { |
| 150 | ret = -EIO; |
| 151 | goto discard_msg; |
| 152 | } |
| 153 | *tmp_msg = msg; |
| 154 | return -EAGAIN; |
| 155 | } |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 156 | } |
Jacob Erlbeck | 98af3c3 | 2014-03-31 10:53:32 +0200 | [diff] [blame] | 157 | |
| 158 | ret = msgb_l2len(msg); |
| 159 | |
| 160 | if (ret == 0) { |
| 161 | LOGP(DLINP, LOGL_INFO, |
| 162 | "Discarding IPA message without payload\n"); |
| 163 | ret = -EAGAIN; |
| 164 | goto discard_msg; |
| 165 | } |
| 166 | |
| 167 | if (tmp_msg) |
| 168 | *tmp_msg = NULL; |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 169 | *rmsg = msg; |
| 170 | return ret; |
Jacob Erlbeck | 98af3c3 | 2014-03-31 10:53:32 +0200 | [diff] [blame] | 171 | |
| 172 | discard_msg: |
| 173 | if (tmp_msg) |
| 174 | *tmp_msg = NULL; |
| 175 | msgb_free(msg); |
| 176 | return ret; |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 177 | } |
| 178 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 179 | void ipa_client_conn_close(struct ipa_client_conn *link) |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 180 | { |
Harald Welte | e68055b | 2013-06-30 14:21:54 +0200 | [diff] [blame] | 181 | /* be safe against multiple calls */ |
| 182 | if (link->ofd->fd != -1) { |
| 183 | osmo_fd_unregister(link->ofd); |
| 184 | close(link->ofd->fd); |
| 185 | link->ofd->fd = -1; |
| 186 | } |
Jacob Erlbeck | 98af3c3 | 2014-03-31 10:53:32 +0200 | [diff] [blame] | 187 | msgb_free(link->pending_msg); |
| 188 | link->pending_msg = NULL; |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 189 | } |
| 190 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 191 | static void ipa_client_read(struct ipa_client_conn *link) |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 192 | { |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 193 | struct osmo_fd *ofd = link->ofd; |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 194 | struct msgb *msg; |
| 195 | int ret; |
| 196 | |
Pablo Neira Ayuso | 218bb8f | 2011-09-09 01:04:46 +0200 | [diff] [blame] | 197 | LOGP(DLINP, LOGL_DEBUG, "message received\n"); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 198 | |
Jacob Erlbeck | 98af3c3 | 2014-03-31 10:53:32 +0200 | [diff] [blame] | 199 | ret = ipa_msg_recv_buffered(ofd->fd, &msg, &link->pending_msg); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 200 | if (ret < 0) { |
Jacob Erlbeck | 98af3c3 | 2014-03-31 10:53:32 +0200 | [diff] [blame] | 201 | if (ret == -EAGAIN) |
| 202 | return; |
| 203 | if (ret == -EPIPE || ret == -ECONNRESET) |
Harald Welte | cc2241b | 2011-07-19 16:06:06 +0200 | [diff] [blame] | 204 | LOGP(DLINP, LOGL_ERROR, "lost connection with server\n"); |
Harald Welte | 51de9ca | 2013-06-30 20:13:16 +0200 | [diff] [blame] | 205 | ipa_client_conn_close(link); |
| 206 | if (link->updown_cb) |
| 207 | link->updown_cb(link, 0); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 208 | return; |
| 209 | } else if (ret == 0) { |
Harald Welte | cc2241b | 2011-07-19 16:06:06 +0200 | [diff] [blame] | 210 | LOGP(DLINP, LOGL_ERROR, "connection closed with server\n"); |
Harald Welte | 51de9ca | 2013-06-30 20:13:16 +0200 | [diff] [blame] | 211 | ipa_client_conn_close(link); |
| 212 | if (link->updown_cb) |
| 213 | link->updown_cb(link, 0); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 214 | return; |
| 215 | } |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 216 | if (link->read_cb) |
| 217 | link->read_cb(link, msg); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 218 | } |
| 219 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 220 | static void ipa_client_write(struct ipa_client_conn *link) |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 221 | { |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 222 | if (link->write_cb) |
| 223 | link->write_cb(link); |
| 224 | } |
| 225 | |
Pablo Neira Ayuso | 8ad30c9 | 2011-09-08 13:29:06 +0200 | [diff] [blame] | 226 | static int ipa_client_write_default_cb(struct ipa_client_conn *link) |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 227 | { |
| 228 | struct osmo_fd *ofd = link->ofd; |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 229 | struct msgb *msg; |
| 230 | struct llist_head *lh; |
| 231 | int ret; |
| 232 | |
Pablo Neira Ayuso | 218bb8f | 2011-09-09 01:04:46 +0200 | [diff] [blame] | 233 | LOGP(DLINP, LOGL_DEBUG, "sending data\n"); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 234 | |
| 235 | if (llist_empty(&link->tx_queue)) { |
| 236 | ofd->when &= ~BSC_FD_WRITE; |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 237 | return 0; |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 238 | } |
| 239 | lh = link->tx_queue.next; |
| 240 | llist_del(lh); |
| 241 | msg = llist_entry(lh, struct msgb, list); |
| 242 | |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 243 | ret = send(link->ofd->fd, msg->data, msg->len, 0); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 244 | if (ret < 0) { |
| 245 | if (errno == EPIPE || errno == ENOTCONN) { |
Harald Welte | 51de9ca | 2013-06-30 20:13:16 +0200 | [diff] [blame] | 246 | ipa_client_conn_close(link); |
| 247 | if (link->updown_cb) |
| 248 | link->updown_cb(link, 0); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 249 | } |
Harald Welte | cc2241b | 2011-07-19 16:06:06 +0200 | [diff] [blame] | 250 | LOGP(DLINP, LOGL_ERROR, "error to send\n"); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 251 | } |
| 252 | msgb_free(msg); |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 253 | return 0; |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 254 | } |
| 255 | |
Harald Welte | 7b6fc2e | 2011-08-19 21:58:48 +0200 | [diff] [blame] | 256 | static int ipa_client_fd_cb(struct osmo_fd *ofd, unsigned int what) |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 257 | { |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 258 | struct ipa_client_conn *link = ofd->data; |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 259 | int error, ret; |
Harald Welte | 4301c37 | 2011-08-19 13:33:16 +0200 | [diff] [blame] | 260 | socklen_t len = sizeof(error); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 261 | |
| 262 | switch(link->state) { |
Pablo Neira Ayuso | c07a8e7 | 2011-06-21 19:50:04 +0200 | [diff] [blame] | 263 | case IPA_CLIENT_LINK_STATE_CONNECTING: |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 264 | ret = getsockopt(ofd->fd, SOL_SOCKET, SO_ERROR, &error, &len); |
| 265 | if (ret >= 0 && error > 0) { |
Harald Welte | 51de9ca | 2013-06-30 20:13:16 +0200 | [diff] [blame] | 266 | ipa_client_conn_close(link); |
| 267 | if (link->updown_cb) |
| 268 | link->updown_cb(link, 0); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 269 | return 0; |
| 270 | } |
| 271 | ofd->when &= ~BSC_FD_WRITE; |
Harald Welte | cc2241b | 2011-07-19 16:06:06 +0200 | [diff] [blame] | 272 | LOGP(DLINP, LOGL_NOTICE, "connection done.\n"); |
Pablo Neira Ayuso | c07a8e7 | 2011-06-21 19:50:04 +0200 | [diff] [blame] | 273 | link->state = IPA_CLIENT_LINK_STATE_CONNECTED; |
Harald Welte | 51de9ca | 2013-06-30 20:13:16 +0200 | [diff] [blame] | 274 | if (link->updown_cb) |
| 275 | link->updown_cb(link, 1); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 276 | break; |
Pablo Neira Ayuso | c07a8e7 | 2011-06-21 19:50:04 +0200 | [diff] [blame] | 277 | case IPA_CLIENT_LINK_STATE_CONNECTED: |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 278 | if (what & BSC_FD_READ) { |
Pablo Neira Ayuso | 218bb8f | 2011-09-09 01:04:46 +0200 | [diff] [blame] | 279 | LOGP(DLINP, LOGL_DEBUG, "connected read\n"); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 280 | ipa_client_read(link); |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 281 | } |
| 282 | if (what & BSC_FD_WRITE) { |
Pablo Neira Ayuso | 218bb8f | 2011-09-09 01:04:46 +0200 | [diff] [blame] | 283 | LOGP(DLINP, LOGL_DEBUG, "connected write\n"); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 284 | ipa_client_write(link); |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 285 | } |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 286 | break; |
| 287 | default: |
| 288 | break; |
| 289 | } |
| 290 | return 0; |
| 291 | } |
| 292 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 293 | struct ipa_client_conn * |
| 294 | ipa_client_conn_create(void *ctx, struct e1inp_ts *ts, |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 295 | int priv_nr, const char *addr, uint16_t port, |
Harald Welte | 51de9ca | 2013-06-30 20:13:16 +0200 | [diff] [blame] | 296 | void (*updown_cb)(struct ipa_client_conn *link, int up), |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 297 | int (*read_cb)(struct ipa_client_conn *link, |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 298 | struct msgb *msgb), |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 299 | int (*write_cb)(struct ipa_client_conn *link), |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 300 | void *data) |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 301 | { |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 302 | struct ipa_client_conn *ipa_link; |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 303 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 304 | ipa_link = talloc_zero(ctx, struct ipa_client_conn); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 305 | if (!ipa_link) |
| 306 | return NULL; |
| 307 | |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 308 | if (ts) { |
Pablo Neira Ayuso | 00af772 | 2011-09-08 12:47:06 +0200 | [diff] [blame] | 309 | if (ts->line->driver == NULL) { |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 310 | talloc_free(ipa_link); |
| 311 | return NULL; |
| 312 | } |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 313 | ipa_link->ofd = &ts->driver.ipaccess.fd; |
| 314 | } else { |
| 315 | ipa_link->ofd = talloc_zero(ctx, struct osmo_fd); |
| 316 | if (ipa_link->ofd == NULL) { |
| 317 | talloc_free(ipa_link); |
| 318 | return NULL; |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | ipa_link->ofd->when |= BSC_FD_READ | BSC_FD_WRITE; |
| 323 | ipa_link->ofd->priv_nr = priv_nr; |
| 324 | ipa_link->ofd->cb = ipa_client_fd_cb; |
| 325 | ipa_link->ofd->data = ipa_link; |
Harald Welte | 51de9ca | 2013-06-30 20:13:16 +0200 | [diff] [blame] | 326 | ipa_link->ofd->fd = -1; |
Pablo Neira Ayuso | c07a8e7 | 2011-06-21 19:50:04 +0200 | [diff] [blame] | 327 | ipa_link->state = IPA_CLIENT_LINK_STATE_CONNECTING; |
Pablo Neira Ayuso | c00ee73 | 2011-06-21 12:22:49 +0200 | [diff] [blame] | 328 | ipa_link->addr = talloc_strdup(ipa_link, addr); |
Pablo Neira Ayuso | 9b3a33c | 2011-06-21 13:52:41 +0200 | [diff] [blame] | 329 | ipa_link->port = port; |
Harald Welte | 51de9ca | 2013-06-30 20:13:16 +0200 | [diff] [blame] | 330 | ipa_link->updown_cb = updown_cb; |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 331 | ipa_link->read_cb = read_cb; |
Pablo Neira Ayuso | 8ad30c9 | 2011-09-08 13:29:06 +0200 | [diff] [blame] | 332 | /* default to generic write callback if not set. */ |
| 333 | if (write_cb == NULL) |
| 334 | ipa_link->write_cb = ipa_client_write_default_cb; |
Pablo Neira Ayuso | 81ed759 | 2012-08-22 16:35:17 +0200 | [diff] [blame] | 335 | else |
| 336 | ipa_link->write_cb = write_cb; |
| 337 | |
Pablo Neira Ayuso | 2220a05 | 2011-09-08 18:43:31 +0200 | [diff] [blame] | 338 | if (ts) |
| 339 | ipa_link->line = ts->line; |
Pablo Neira Ayuso | e009f4a | 2011-06-23 13:36:34 +0200 | [diff] [blame] | 340 | ipa_link->data = data; |
Pablo Neira Ayuso | af3fed9 | 2011-06-23 20:42:19 +0200 | [diff] [blame] | 341 | INIT_LLIST_HEAD(&ipa_link->tx_queue); |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 342 | |
| 343 | return ipa_link; |
| 344 | } |
| 345 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 346 | void ipa_client_conn_destroy(struct ipa_client_conn *link) |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 347 | { |
| 348 | talloc_free(link); |
| 349 | } |
| 350 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 351 | int ipa_client_conn_open(struct ipa_client_conn *link) |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 352 | { |
| 353 | int ret; |
| 354 | |
Harald Welte | e7e1b75 | 2014-08-17 21:41:34 +0200 | [diff] [blame] | 355 | link->state = IPA_CLIENT_LINK_STATE_CONNECTING; |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 356 | ret = osmo_sock_init(AF_INET, SOCK_STREAM, IPPROTO_TCP, |
Pablo Neira Ayuso | 9b3a33c | 2011-06-21 13:52:41 +0200 | [diff] [blame] | 357 | link->addr, link->port, |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 358 | OSMO_SOCK_F_CONNECT|OSMO_SOCK_F_NONBLOCK); |
| 359 | if (ret < 0) { |
| 360 | if (errno != EINPROGRESS) |
| 361 | return ret; |
| 362 | } |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 363 | link->ofd->fd = ret; |
| 364 | if (osmo_fd_register(link->ofd) < 0) { |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 365 | close(ret); |
Harald Welte | 51de9ca | 2013-06-30 20:13:16 +0200 | [diff] [blame] | 366 | link->ofd->fd = -1; |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 367 | return -EIO; |
| 368 | } |
Harald Welte | 51de9ca | 2013-06-30 20:13:16 +0200 | [diff] [blame] | 369 | |
Pablo Neira Ayuso | 96e8128 | 2011-06-09 15:06:11 +0200 | [diff] [blame] | 370 | return 0; |
| 371 | } |
| 372 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 373 | void ipa_client_conn_send(struct ipa_client_conn *link, struct msgb *msg) |
Pablo Neira Ayuso | af3fed9 | 2011-06-23 20:42:19 +0200 | [diff] [blame] | 374 | { |
| 375 | msgb_enqueue(&link->tx_queue, msg); |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 376 | link->ofd->when |= BSC_FD_WRITE; |
Pablo Neira Ayuso | af3fed9 | 2011-06-23 20:42:19 +0200 | [diff] [blame] | 377 | } |
| 378 | |
Harald Welte | 7b6fc2e | 2011-08-19 21:58:48 +0200 | [diff] [blame] | 379 | static int ipa_server_fd_cb(struct osmo_fd *ofd, unsigned int what) |
Pablo Neira Ayuso | 986191f | 2011-06-21 19:56:26 +0200 | [diff] [blame] | 380 | { |
Pablo Neira Ayuso | cdda0a8 | 2013-07-08 01:13:19 +0200 | [diff] [blame] | 381 | int fd, ret; |
Pablo Neira Ayuso | 986191f | 2011-06-21 19:56:26 +0200 | [diff] [blame] | 382 | struct sockaddr_in sa; |
| 383 | socklen_t sa_len = sizeof(sa); |
| 384 | struct ipa_server_link *link = ofd->data; |
| 385 | |
Pablo Neira Ayuso | cdda0a8 | 2013-07-08 01:13:19 +0200 | [diff] [blame] | 386 | fd = accept(ofd->fd, (struct sockaddr *)&sa, &sa_len); |
| 387 | if (fd < 0) { |
Harald Welte | cc2241b | 2011-07-19 16:06:06 +0200 | [diff] [blame] | 388 | LOGP(DLINP, LOGL_ERROR, "failed to accept from origin " |
Pablo Neira Ayuso | 986191f | 2011-06-21 19:56:26 +0200 | [diff] [blame] | 389 | "peer, reason=`%s'\n", strerror(errno)); |
Pablo Neira Ayuso | cdda0a8 | 2013-07-08 01:13:19 +0200 | [diff] [blame] | 390 | return fd; |
Pablo Neira Ayuso | 986191f | 2011-06-21 19:56:26 +0200 | [diff] [blame] | 391 | } |
Harald Welte | cc2241b | 2011-07-19 16:06:06 +0200 | [diff] [blame] | 392 | LOGP(DLINP, LOGL_NOTICE, "accept()ed new link from %s to port %u\n", |
Pablo Neira Ayuso | 986191f | 2011-06-21 19:56:26 +0200 | [diff] [blame] | 393 | inet_ntoa(sa.sin_addr), link->port); |
| 394 | |
Pablo Neira Ayuso | cdda0a8 | 2013-07-08 01:13:19 +0200 | [diff] [blame] | 395 | ret = link->accept_cb(link, fd); |
| 396 | if (ret < 0) { |
| 397 | LOGP(DLINP, LOGL_ERROR, |
| 398 | "failed to processs accept()ed new link, " |
| 399 | "reason=`%s'\n", strerror(-ret)); |
| 400 | close(fd); |
| 401 | return ret; |
| 402 | } |
Pablo Neira Ayuso | 986191f | 2011-06-21 19:56:26 +0200 | [diff] [blame] | 403 | |
| 404 | return 0; |
| 405 | } |
| 406 | |
| 407 | struct ipa_server_link * |
| 408 | ipa_server_link_create(void *ctx, struct e1inp_line *line, |
| 409 | const char *addr, uint16_t port, |
Pablo Neira Ayuso | e009f4a | 2011-06-23 13:36:34 +0200 | [diff] [blame] | 410 | int (*accept_cb)(struct ipa_server_link *link, int fd), |
| 411 | void *data) |
Pablo Neira Ayuso | 986191f | 2011-06-21 19:56:26 +0200 | [diff] [blame] | 412 | { |
| 413 | struct ipa_server_link *ipa_link; |
| 414 | |
Pablo Neira Ayuso | cdda0a8 | 2013-07-08 01:13:19 +0200 | [diff] [blame] | 415 | OSMO_ASSERT(accept_cb != NULL); |
| 416 | |
Pablo Neira Ayuso | 986191f | 2011-06-21 19:56:26 +0200 | [diff] [blame] | 417 | ipa_link = talloc_zero(ctx, struct ipa_server_link); |
| 418 | if (!ipa_link) |
| 419 | return NULL; |
| 420 | |
| 421 | ipa_link->ofd.when |= BSC_FD_READ | BSC_FD_WRITE; |
| 422 | ipa_link->ofd.cb = ipa_server_fd_cb; |
| 423 | ipa_link->ofd.data = ipa_link; |
| 424 | ipa_link->addr = talloc_strdup(ipa_link, addr); |
| 425 | ipa_link->port = port; |
| 426 | ipa_link->accept_cb = accept_cb; |
| 427 | ipa_link->line = line; |
Pablo Neira Ayuso | e009f4a | 2011-06-23 13:36:34 +0200 | [diff] [blame] | 428 | ipa_link->data = data; |
Pablo Neira Ayuso | 986191f | 2011-06-21 19:56:26 +0200 | [diff] [blame] | 429 | |
| 430 | return ipa_link; |
| 431 | |
| 432 | } |
| 433 | |
| 434 | void ipa_server_link_destroy(struct ipa_server_link *link) |
| 435 | { |
| 436 | talloc_free(link); |
| 437 | } |
| 438 | |
| 439 | int ipa_server_link_open(struct ipa_server_link *link) |
| 440 | { |
| 441 | int ret; |
| 442 | |
| 443 | ret = osmo_sock_init(AF_INET, SOCK_STREAM, IPPROTO_TCP, |
| 444 | link->addr, link->port, OSMO_SOCK_F_BIND); |
| 445 | if (ret < 0) |
| 446 | return ret; |
| 447 | |
| 448 | link->ofd.fd = ret; |
| 449 | if (osmo_fd_register(&link->ofd) < 0) { |
| 450 | close(ret); |
| 451 | return -EIO; |
| 452 | } |
| 453 | return 0; |
| 454 | } |
| 455 | |
| 456 | void ipa_server_link_close(struct ipa_server_link *link) |
| 457 | { |
| 458 | osmo_fd_unregister(&link->ofd); |
| 459 | close(link->ofd.fd); |
| 460 | } |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 461 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 462 | static void ipa_server_conn_read(struct ipa_server_conn *conn) |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 463 | { |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 464 | struct osmo_fd *ofd = &conn->ofd; |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 465 | struct msgb *msg; |
| 466 | int ret; |
| 467 | |
Pablo Neira Ayuso | 218bb8f | 2011-09-09 01:04:46 +0200 | [diff] [blame] | 468 | LOGP(DLINP, LOGL_DEBUG, "message received\n"); |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 469 | |
Jacob Erlbeck | 98af3c3 | 2014-03-31 10:53:32 +0200 | [diff] [blame] | 470 | ret = ipa_msg_recv_buffered(ofd->fd, &msg, &conn->pending_msg); |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 471 | if (ret < 0) { |
Jacob Erlbeck | 98af3c3 | 2014-03-31 10:53:32 +0200 | [diff] [blame] | 472 | if (ret == -EAGAIN) |
| 473 | return; |
| 474 | if (ret == -EPIPE || ret == -ECONNRESET) |
Harald Welte | cc2241b | 2011-07-19 16:06:06 +0200 | [diff] [blame] | 475 | LOGP(DLINP, LOGL_ERROR, "lost connection with server\n"); |
Daniel Willmann | dc4479f | 2011-09-15 12:56:57 +0200 | [diff] [blame] | 476 | ipa_server_conn_destroy(conn); |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 477 | return; |
| 478 | } else if (ret == 0) { |
Harald Welte | cc2241b | 2011-07-19 16:06:06 +0200 | [diff] [blame] | 479 | LOGP(DLINP, LOGL_ERROR, "connection closed with server\n"); |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 480 | ipa_server_conn_destroy(conn); |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 481 | return; |
| 482 | } |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 483 | if (conn->cb) |
| 484 | conn->cb(conn, msg); |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 485 | |
| 486 | return; |
| 487 | } |
| 488 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 489 | static void ipa_server_conn_write(struct ipa_server_conn *conn) |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 490 | { |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 491 | struct osmo_fd *ofd = &conn->ofd; |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 492 | struct msgb *msg; |
| 493 | struct llist_head *lh; |
| 494 | int ret; |
| 495 | |
Pablo Neira Ayuso | 218bb8f | 2011-09-09 01:04:46 +0200 | [diff] [blame] | 496 | LOGP(DLINP, LOGL_DEBUG, "sending data\n"); |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 497 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 498 | if (llist_empty(&conn->tx_queue)) { |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 499 | ofd->when &= ~BSC_FD_WRITE; |
| 500 | return; |
| 501 | } |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 502 | lh = conn->tx_queue.next; |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 503 | llist_del(lh); |
| 504 | msg = llist_entry(lh, struct msgb, list); |
| 505 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 506 | ret = send(conn->ofd.fd, msg->data, msg->len, 0); |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 507 | if (ret < 0) { |
Harald Welte | cc2241b | 2011-07-19 16:06:06 +0200 | [diff] [blame] | 508 | LOGP(DLINP, LOGL_ERROR, "error to send\n"); |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 509 | } |
| 510 | msgb_free(msg); |
| 511 | } |
| 512 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 513 | static int ipa_server_conn_cb(struct osmo_fd *ofd, unsigned int what) |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 514 | { |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 515 | struct ipa_server_conn *conn = ofd->data; |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 516 | |
Pablo Neira Ayuso | 218bb8f | 2011-09-09 01:04:46 +0200 | [diff] [blame] | 517 | LOGP(DLINP, LOGL_DEBUG, "connected read/write\n"); |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 518 | if (what & BSC_FD_READ) |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 519 | ipa_server_conn_read(conn); |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 520 | if (what & BSC_FD_WRITE) |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 521 | ipa_server_conn_write(conn); |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 522 | |
| 523 | return 0; |
| 524 | } |
| 525 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 526 | struct ipa_server_conn * |
| 527 | ipa_server_conn_create(void *ctx, struct ipa_server_link *link, int fd, |
| 528 | int (*cb)(struct ipa_server_conn *conn, struct msgb *msg), |
Daniel Willmann | a0d9331 | 2011-09-15 12:56:58 +0200 | [diff] [blame] | 529 | int (*closed_cb)(struct ipa_server_conn *conn), void *data) |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 530 | { |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 531 | struct ipa_server_conn *conn; |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 532 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 533 | conn = talloc_zero(ctx, struct ipa_server_conn); |
| 534 | if (conn == NULL) { |
Harald Welte | cc2241b | 2011-07-19 16:06:06 +0200 | [diff] [blame] | 535 | LOGP(DLINP, LOGL_ERROR, "cannot allocate new peer in server, " |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 536 | "reason=`%s'\n", strerror(errno)); |
| 537 | return NULL; |
| 538 | } |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 539 | conn->server = link; |
| 540 | conn->ofd.fd = fd; |
| 541 | conn->ofd.data = conn; |
| 542 | conn->ofd.cb = ipa_server_conn_cb; |
| 543 | conn->ofd.when = BSC_FD_READ; |
| 544 | conn->cb = cb; |
Daniel Willmann | a0d9331 | 2011-09-15 12:56:58 +0200 | [diff] [blame] | 545 | conn->closed_cb = closed_cb; |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 546 | conn->data = data; |
| 547 | INIT_LLIST_HEAD(&conn->tx_queue); |
Pablo Neira Ayuso | af3fed9 | 2011-06-23 20:42:19 +0200 | [diff] [blame] | 548 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 549 | if (osmo_fd_register(&conn->ofd) < 0) { |
Harald Welte | cc2241b | 2011-07-19 16:06:06 +0200 | [diff] [blame] | 550 | LOGP(DLINP, LOGL_ERROR, "could not register FD\n"); |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 551 | talloc_free(conn); |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 552 | return NULL; |
| 553 | } |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 554 | return conn; |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 555 | } |
| 556 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 557 | void ipa_server_conn_destroy(struct ipa_server_conn *conn) |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 558 | { |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 559 | close(conn->ofd.fd); |
Jacob Erlbeck | 98af3c3 | 2014-03-31 10:53:32 +0200 | [diff] [blame] | 560 | msgb_free(conn->pending_msg); |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 561 | osmo_fd_unregister(&conn->ofd); |
Daniel Willmann | a0d9331 | 2011-09-15 12:56:58 +0200 | [diff] [blame] | 562 | if (conn->closed_cb) |
| 563 | conn->closed_cb(conn); |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 564 | talloc_free(conn); |
Pablo Neira Ayuso | 6af9b61 | 2011-06-23 14:07:47 +0200 | [diff] [blame] | 565 | } |
Pablo Neira Ayuso | af3fed9 | 2011-06-23 20:42:19 +0200 | [diff] [blame] | 566 | |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 567 | void ipa_server_conn_send(struct ipa_server_conn *conn, struct msgb *msg) |
Pablo Neira Ayuso | af3fed9 | 2011-06-23 20:42:19 +0200 | [diff] [blame] | 568 | { |
Pablo Neira Ayuso | f099567 | 2011-09-08 12:58:38 +0200 | [diff] [blame] | 569 | msgb_enqueue(&conn->tx_queue, msg); |
| 570 | conn->ofd.when |= BSC_FD_WRITE; |
Pablo Neira Ayuso | af3fed9 | 2011-06-23 20:42:19 +0200 | [diff] [blame] | 571 | } |