Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 1 | /* SNMP-like status interface |
| 2 | * |
| 3 | * (C) 2010-2011 by Daniel Willmann <daniel@totalueberwachung.de> |
| 4 | * (C) 2010-2011 by On-Waves |
| 5 | * |
| 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 <errno.h> |
Daniel Willmann | 0834a34 | 2011-07-19 12:12:10 +0200 | [diff] [blame] | 25 | #include <inttypes.h> |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 26 | #include <stdio.h> |
| 27 | #include <stdlib.h> |
| 28 | #include <string.h> |
| 29 | #include <time.h> |
| 30 | #include <unistd.h> |
| 31 | |
| 32 | #include <arpa/inet.h> |
| 33 | |
| 34 | #include <netinet/tcp.h> |
| 35 | |
| 36 | #include <sys/fcntl.h> |
| 37 | #include <sys/ioctl.h> |
| 38 | #include <sys/socket.h> |
| 39 | #include <sys/types.h> |
| 40 | |
Harald Welte | 1238cc6 | 2014-08-20 19:50:04 +0200 | [diff] [blame] | 41 | #include <osmocom/ctrl/control_cmd.h> |
| 42 | #include <osmocom/ctrl/control_if.h> |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 43 | |
| 44 | #include <osmocom/core/msgb.h> |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 45 | #include <osmocom/core/rate_ctr.h> |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 46 | #include <osmocom/core/select.h> |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 47 | #include <osmocom/core/statistics.h> |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 48 | #include <osmocom/core/talloc.h> |
Harald Welte | 1238cc6 | 2014-08-20 19:50:04 +0200 | [diff] [blame] | 49 | #include <osmocom/core/socket.h> |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 50 | |
Harald Welte | 1238cc6 | 2014-08-20 19:50:04 +0200 | [diff] [blame] | 51 | #include <osmocom/gsm/protocol/ipaccess.h> |
Harald Welte | acbb4c9 | 2014-08-20 22:51:25 +0200 | [diff] [blame^] | 52 | #include <osmocom/gsm/ipa.h> |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 53 | |
| 54 | #include <osmocom/vty/command.h> |
| 55 | #include <osmocom/vty/vector.h> |
| 56 | |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 57 | vector ctrl_node_vec; |
| 58 | |
Daniel Willmann | 35a1b3b | 2011-05-06 16:38:11 +0200 | [diff] [blame] | 59 | /* Send command to all */ |
| 60 | int ctrl_cmd_send_to_all(struct ctrl_handle *ctrl, struct ctrl_cmd *cmd) |
| 61 | { |
| 62 | struct ctrl_connection *ccon; |
| 63 | int ret = 0; |
| 64 | |
| 65 | llist_for_each_entry(ccon, &ctrl->ccon_list, list_entry) { |
| 66 | if (ccon == cmd->ccon) |
| 67 | continue; |
| 68 | if (ctrl_cmd_send(&ccon->write_queue, cmd)) |
| 69 | ret++; |
| 70 | } |
| 71 | return ret; |
| 72 | } |
| 73 | |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 74 | int ctrl_cmd_send(struct osmo_wqueue *queue, struct ctrl_cmd *cmd) |
| 75 | { |
| 76 | int ret; |
| 77 | struct msgb *msg; |
| 78 | |
| 79 | msg = ctrl_cmd_make(cmd); |
| 80 | if (!msg) { |
Harald Welte | 7fd0c83 | 2014-08-20 19:58:13 +0200 | [diff] [blame] | 81 | LOGP(DLCTRL, LOGL_ERROR, "Could not generate msg\n"); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 82 | return -1; |
| 83 | } |
| 84 | |
Harald Welte | acbb4c9 | 2014-08-20 22:51:25 +0200 | [diff] [blame^] | 85 | ipa_prepend_header_ext(msg, IPAC_PROTO_EXT_CTRL); |
| 86 | ipa_prepend_header(msg, IPAC_PROTO_OSMO); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 87 | |
| 88 | ret = osmo_wqueue_enqueue(queue, msg); |
| 89 | if (ret != 0) { |
Harald Welte | 7fd0c83 | 2014-08-20 19:58:13 +0200 | [diff] [blame] | 90 | LOGP(DLCTRL, LOGL_ERROR, "Failed to enqueue the command.\n"); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 91 | msgb_free(msg); |
| 92 | } |
| 93 | return ret; |
| 94 | } |
| 95 | |
Daniel Willmann | f2e75d4 | 2011-07-22 18:08:31 +0200 | [diff] [blame] | 96 | struct ctrl_cmd *ctrl_cmd_trap(struct ctrl_cmd *cmd) |
| 97 | { |
| 98 | struct ctrl_cmd *trap; |
| 99 | |
Harald Welte | c9df37d | 2014-08-20 19:55:17 +0200 | [diff] [blame] | 100 | trap = ctrl_cmd_cpy(cmd, cmd); |
Daniel Willmann | f2e75d4 | 2011-07-22 18:08:31 +0200 | [diff] [blame] | 101 | if (!trap) |
| 102 | return NULL; |
| 103 | |
| 104 | trap->ccon = cmd->ccon; |
| 105 | trap->type = CTRL_TYPE_TRAP; |
| 106 | return trap; |
| 107 | } |
| 108 | |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 109 | static void control_close_conn(struct ctrl_connection *ccon) |
| 110 | { |
Harald Welte | 6d96dd7 | 2013-03-16 10:13:04 +0100 | [diff] [blame] | 111 | osmo_wqueue_clear(&ccon->write_queue); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 112 | close(ccon->write_queue.bfd.fd); |
| 113 | osmo_fd_unregister(&ccon->write_queue.bfd); |
Daniel Willmann | 0e0cf37 | 2011-05-06 16:37:25 +0200 | [diff] [blame] | 114 | llist_del(&ccon->list_entry); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 115 | if (ccon->closed_cb) |
| 116 | ccon->closed_cb(ccon); |
Jacob Erlbeck | 141de62 | 2014-03-31 13:42:11 +0200 | [diff] [blame] | 117 | msgb_free(ccon->pending_msg); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 118 | talloc_free(ccon); |
| 119 | } |
| 120 | |
| 121 | static int handle_control_read(struct osmo_fd * bfd) |
| 122 | { |
Pablo Neira Ayuso | 10dfc26 | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 123 | int ret = -1; |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 124 | struct osmo_wqueue *queue; |
| 125 | struct ctrl_connection *ccon; |
| 126 | struct ipaccess_head *iph; |
| 127 | struct ipaccess_head_ext *iph_ext; |
Alexander Huemer | 1d3634e | 2011-10-12 00:29:30 +0200 | [diff] [blame] | 128 | struct msgb *msg = NULL; |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 129 | struct ctrl_cmd *cmd; |
| 130 | struct ctrl_handle *ctrl = bfd->data; |
| 131 | |
| 132 | queue = container_of(bfd, struct osmo_wqueue, bfd); |
| 133 | ccon = container_of(queue, struct ctrl_connection, write_queue); |
| 134 | |
Jacob Erlbeck | 141de62 | 2014-03-31 13:42:11 +0200 | [diff] [blame] | 135 | ret = ipa_msg_recv_buffered(bfd->fd, &msg, &ccon->pending_msg); |
Pablo Neira Ayuso | 10dfc26 | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 136 | if (ret <= 0) { |
Jacob Erlbeck | 141de62 | 2014-03-31 13:42:11 +0200 | [diff] [blame] | 137 | if (ret == -EAGAIN) |
| 138 | return 0; |
Pablo Neira Ayuso | 10dfc26 | 2011-08-17 22:44:07 +0200 | [diff] [blame] | 139 | if (ret == 0) |
Harald Welte | 7fd0c83 | 2014-08-20 19:58:13 +0200 | [diff] [blame] | 140 | LOGP(DLCTRL, LOGL_INFO, "The control connection was closed\n"); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 141 | else |
Harald Welte | 7fd0c83 | 2014-08-20 19:58:13 +0200 | [diff] [blame] | 142 | LOGP(DLCTRL, LOGL_ERROR, "Failed to parse ip access message: %d\n", ret); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 143 | |
| 144 | goto err; |
| 145 | } |
| 146 | |
| 147 | if (msg->len < sizeof(*iph) + sizeof(*iph_ext)) { |
Harald Welte | 7fd0c83 | 2014-08-20 19:58:13 +0200 | [diff] [blame] | 148 | LOGP(DLCTRL, LOGL_ERROR, "The message is too short.\n"); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 149 | goto err; |
| 150 | } |
| 151 | |
| 152 | iph = (struct ipaccess_head *) msg->data; |
| 153 | if (iph->proto != IPAC_PROTO_OSMO) { |
Harald Welte | 7fd0c83 | 2014-08-20 19:58:13 +0200 | [diff] [blame] | 154 | LOGP(DLCTRL, LOGL_ERROR, "Protocol mismatch. We got 0x%x\n", iph->proto); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 155 | goto err; |
| 156 | } |
| 157 | |
| 158 | iph_ext = (struct ipaccess_head_ext *) iph->data; |
| 159 | if (iph_ext->proto != IPAC_PROTO_EXT_CTRL) { |
Harald Welte | 7fd0c83 | 2014-08-20 19:58:13 +0200 | [diff] [blame] | 160 | LOGP(DLCTRL, LOGL_ERROR, "Extended protocol mismatch. We got 0x%x\n", iph_ext->proto); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 161 | goto err; |
| 162 | } |
| 163 | |
| 164 | msg->l2h = iph_ext->data; |
| 165 | |
| 166 | cmd = ctrl_cmd_parse(ccon, msg); |
| 167 | |
| 168 | if (cmd) { |
| 169 | cmd->ccon = ccon; |
Holger Hans Peter Freyther | ea62a38 | 2014-03-23 16:25:16 +0100 | [diff] [blame] | 170 | if (ctrl->handler(cmd, ctrl->gsmnet) != CTRL_CMD_HANDLED) { |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 171 | ctrl_cmd_send(queue, cmd); |
| 172 | talloc_free(cmd); |
| 173 | } |
| 174 | } else { |
| 175 | cmd = talloc_zero(ccon, struct ctrl_cmd); |
| 176 | if (!cmd) |
| 177 | goto err; |
Harald Welte | 7fd0c83 | 2014-08-20 19:58:13 +0200 | [diff] [blame] | 178 | LOGP(DLCTRL, LOGL_ERROR, "Command parser error.\n"); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 179 | cmd->type = CTRL_TYPE_ERROR; |
| 180 | cmd->id = "err"; |
| 181 | cmd->reply = "Command parser error."; |
| 182 | ctrl_cmd_send(queue, cmd); |
| 183 | talloc_free(cmd); |
| 184 | } |
| 185 | |
| 186 | msgb_free(msg); |
| 187 | return 0; |
| 188 | |
| 189 | err: |
| 190 | control_close_conn(ccon); |
| 191 | msgb_free(msg); |
| 192 | return ret; |
| 193 | } |
| 194 | |
| 195 | static int control_write_cb(struct osmo_fd *bfd, struct msgb *msg) |
| 196 | { |
| 197 | int rc; |
| 198 | |
| 199 | rc = write(bfd->fd, msg->data, msg->len); |
| 200 | if (rc != msg->len) |
Harald Welte | 7fd0c83 | 2014-08-20 19:58:13 +0200 | [diff] [blame] | 201 | LOGP(DLCTRL, LOGL_ERROR, "Failed to write message to the control connection.\n"); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 202 | |
| 203 | return rc; |
| 204 | } |
| 205 | |
| 206 | static struct ctrl_connection *ctrl_connection_alloc(void *ctx) |
| 207 | { |
| 208 | struct ctrl_connection *ccon = talloc_zero(ctx, struct ctrl_connection); |
| 209 | if (!ccon) |
| 210 | return NULL; |
| 211 | |
| 212 | osmo_wqueue_init(&ccon->write_queue, 100); |
| 213 | /* Error handling here? */ |
| 214 | |
| 215 | INIT_LLIST_HEAD(&ccon->cmds); |
| 216 | return ccon; |
| 217 | } |
| 218 | |
| 219 | static int listen_fd_cb(struct osmo_fd *listen_bfd, unsigned int what) |
| 220 | { |
| 221 | int ret, fd, on; |
Daniel Willmann | 0e0cf37 | 2011-05-06 16:37:25 +0200 | [diff] [blame] | 222 | struct ctrl_handle *ctrl; |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 223 | struct ctrl_connection *ccon; |
| 224 | struct sockaddr_in sa; |
| 225 | socklen_t sa_len = sizeof(sa); |
| 226 | |
| 227 | |
| 228 | if (!(what & BSC_FD_READ)) |
| 229 | return 0; |
| 230 | |
| 231 | fd = accept(listen_bfd->fd, (struct sockaddr *) &sa, &sa_len); |
| 232 | if (fd < 0) { |
| 233 | perror("accept"); |
| 234 | return fd; |
| 235 | } |
Harald Welte | 7fd0c83 | 2014-08-20 19:58:13 +0200 | [diff] [blame] | 236 | LOGP(DLCTRL, LOGL_INFO, "accept()ed new control connection from %s\n", |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 237 | inet_ntoa(sa.sin_addr)); |
| 238 | |
| 239 | on = 1; |
| 240 | ret = setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on)); |
| 241 | if (ret != 0) { |
Harald Welte | 7fd0c83 | 2014-08-20 19:58:13 +0200 | [diff] [blame] | 242 | LOGP(DLCTRL, LOGL_ERROR, "Failed to set TCP_NODELAY: %s\n", strerror(errno)); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 243 | close(fd); |
| 244 | return ret; |
| 245 | } |
| 246 | ccon = ctrl_connection_alloc(listen_bfd->data); |
| 247 | if (!ccon) { |
Harald Welte | 7fd0c83 | 2014-08-20 19:58:13 +0200 | [diff] [blame] | 248 | LOGP(DLCTRL, LOGL_ERROR, "Failed to allocate.\n"); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 249 | close(fd); |
| 250 | return -1; |
| 251 | } |
| 252 | |
Daniel Willmann | 0e0cf37 | 2011-05-06 16:37:25 +0200 | [diff] [blame] | 253 | ctrl = listen_bfd->data; |
| 254 | ccon->write_queue.bfd.data = ctrl; |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 255 | ccon->write_queue.bfd.fd = fd; |
| 256 | ccon->write_queue.bfd.when = BSC_FD_READ; |
| 257 | ccon->write_queue.read_cb = handle_control_read; |
| 258 | ccon->write_queue.write_cb = control_write_cb; |
| 259 | |
| 260 | ret = osmo_fd_register(&ccon->write_queue.bfd); |
| 261 | if (ret < 0) { |
Harald Welte | 7fd0c83 | 2014-08-20 19:58:13 +0200 | [diff] [blame] | 262 | LOGP(DLCTRL, LOGL_ERROR, "Could not register FD.\n"); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 263 | close(ccon->write_queue.bfd.fd); |
| 264 | talloc_free(ccon); |
| 265 | } |
| 266 | |
Daniel Willmann | 0e0cf37 | 2011-05-06 16:37:25 +0200 | [diff] [blame] | 267 | llist_add(&ccon->list_entry, &ctrl->ccon_list); |
| 268 | |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 269 | return ret; |
| 270 | } |
| 271 | |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 272 | static uint64_t get_rate_ctr_value(const struct rate_ctr *ctr, int intv) |
| 273 | { |
| 274 | if (intv >= RATE_CTR_INTV_NUM) |
| 275 | return 0; |
| 276 | |
| 277 | /* Absolute value */ |
| 278 | if (intv == -1) { |
| 279 | return ctr->current; |
| 280 | } else { |
| 281 | return ctr->intv[intv].rate; |
| 282 | } |
| 283 | } |
| 284 | |
Harald Welte | c9df37d | 2014-08-20 19:55:17 +0200 | [diff] [blame] | 285 | static char *get_all_rate_ctr_in_group(void *ctx, const struct rate_ctr_group *ctrg, int intv) |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 286 | { |
| 287 | int i; |
Harald Welte | c9df37d | 2014-08-20 19:55:17 +0200 | [diff] [blame] | 288 | char *counters = talloc_strdup(ctx, ""); |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 289 | if (!counters) |
| 290 | return NULL; |
| 291 | |
| 292 | for (i=0;i<ctrg->desc->num_ctr;i++) { |
Daniel Willmann | 0834a34 | 2011-07-19 12:12:10 +0200 | [diff] [blame] | 293 | counters = talloc_asprintf_append(counters, "\n%s.%u.%s %"PRIu64, |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 294 | ctrg->desc->group_name_prefix, ctrg->idx, |
| 295 | ctrg->desc->ctr_desc[i].name, |
| 296 | get_rate_ctr_value(&ctrg->ctr[i], intv)); |
| 297 | if (!counters) |
| 298 | return NULL; |
| 299 | } |
| 300 | return counters; |
| 301 | } |
| 302 | |
| 303 | static int get_rate_ctr_group(const char *ctr_group, int intv, struct ctrl_cmd *cmd) |
| 304 | { |
| 305 | int i; |
| 306 | char *counters; |
| 307 | struct rate_ctr_group *ctrg; |
| 308 | |
| 309 | cmd->reply = talloc_asprintf(cmd, "All counters in group %s", ctr_group); |
| 310 | if (!cmd->reply) |
| 311 | goto oom; |
| 312 | |
| 313 | for (i=0;;i++) { |
| 314 | ctrg = rate_ctr_get_group_by_name_idx(ctr_group, i); |
| 315 | if (!ctrg) |
| 316 | break; |
| 317 | |
Harald Welte | c9df37d | 2014-08-20 19:55:17 +0200 | [diff] [blame] | 318 | counters = get_all_rate_ctr_in_group(cmd, ctrg, intv); |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 319 | if (!counters) |
| 320 | goto oom; |
| 321 | |
| 322 | cmd->reply = talloc_asprintf_append(cmd->reply, "%s", counters); |
| 323 | talloc_free(counters); |
| 324 | if (!cmd->reply) |
| 325 | goto oom; |
| 326 | } |
| 327 | |
| 328 | /* We found no counter group by that name */ |
| 329 | if (i == 0) { |
| 330 | cmd->reply = talloc_asprintf(cmd, "No counter group with name %s.", ctr_group); |
| 331 | return CTRL_CMD_ERROR; |
| 332 | } |
| 333 | |
| 334 | return CTRL_CMD_REPLY; |
| 335 | oom: |
| 336 | cmd->reply = "OOM."; |
| 337 | return CTRL_CMD_ERROR; |
| 338 | } |
| 339 | |
| 340 | static int get_rate_ctr_group_idx(const struct rate_ctr_group *ctrg, int intv, struct ctrl_cmd *cmd) |
| 341 | { |
| 342 | char *counters; |
| 343 | |
Harald Welte | c9df37d | 2014-08-20 19:55:17 +0200 | [diff] [blame] | 344 | counters = get_all_rate_ctr_in_group(cmd, ctrg, intv); |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 345 | if (!counters) |
| 346 | goto oom; |
| 347 | |
| 348 | cmd->reply = talloc_asprintf(cmd, "All counters in %s.%u%s", |
| 349 | ctrg->desc->group_name_prefix, ctrg->idx, counters); |
| 350 | talloc_free(counters); |
| 351 | if (!cmd->reply) |
| 352 | goto oom; |
| 353 | |
| 354 | return CTRL_CMD_REPLY; |
| 355 | oom: |
| 356 | cmd->reply = "OOM."; |
| 357 | return CTRL_CMD_ERROR; |
| 358 | } |
| 359 | |
| 360 | /* rate_ctr */ |
| 361 | CTRL_CMD_DEFINE(rate_ctr, "rate_ctr *"); |
Daniel Willmann | f7c74e5 | 2011-08-05 11:48:18 +0200 | [diff] [blame] | 362 | static int get_rate_ctr(struct ctrl_cmd *cmd, void *data) |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 363 | { |
| 364 | int intv; |
| 365 | unsigned int idx; |
| 366 | char *ctr_group, *ctr_idx, *ctr_name, *tmp, *dup, *saveptr, *interval; |
| 367 | struct rate_ctr_group *ctrg; |
| 368 | const struct rate_ctr *ctr; |
| 369 | |
| 370 | dup = talloc_strdup(cmd, cmd->variable); |
| 371 | if (!dup) |
| 372 | goto oom; |
| 373 | |
| 374 | /* Skip over possible prefixes (net.) */ |
| 375 | tmp = strstr(dup, "rate_ctr"); |
| 376 | if (!tmp) { |
| 377 | talloc_free(dup); |
| 378 | cmd->reply = "rate_ctr not a token in rate_ctr command!"; |
| 379 | goto err; |
| 380 | } |
| 381 | |
| 382 | strtok_r(tmp, ".", &saveptr); |
| 383 | interval = strtok_r(NULL, ".", &saveptr); |
| 384 | if (!interval) { |
| 385 | talloc_free(dup); |
| 386 | cmd->reply = "Missing interval."; |
| 387 | goto err; |
| 388 | } |
| 389 | |
| 390 | if (!strcmp(interval, "abs")) { |
| 391 | intv = -1; |
| 392 | } else if (!strcmp(interval, "per_sec")) { |
| 393 | intv = RATE_CTR_INTV_SEC; |
| 394 | } else if (!strcmp(interval, "per_min")) { |
| 395 | intv = RATE_CTR_INTV_MIN; |
| 396 | } else if (!strcmp(interval, "per_hour")) { |
| 397 | intv = RATE_CTR_INTV_HOUR; |
| 398 | } else if (!strcmp(interval, "per_day")) { |
| 399 | intv = RATE_CTR_INTV_DAY; |
| 400 | } else { |
| 401 | talloc_free(dup); |
| 402 | cmd->reply = "Wrong interval."; |
| 403 | goto err; |
| 404 | } |
| 405 | |
| 406 | ctr_group = strtok_r(NULL, ".", &saveptr); |
| 407 | tmp = strtok_r(NULL, ".", &saveptr); |
| 408 | if (!ctr_group || !tmp) { |
| 409 | talloc_free(dup); |
| 410 | cmd->reply = "Counter group must be of form a.b"; |
| 411 | goto err; |
| 412 | } |
| 413 | ctr_group[strlen(ctr_group)] = '.'; |
| 414 | |
| 415 | ctr_idx = strtok_r(NULL, ".", &saveptr); |
| 416 | if (!ctr_idx) { |
| 417 | talloc_free(dup); |
| 418 | return get_rate_ctr_group(ctr_group, intv, cmd); |
| 419 | } |
| 420 | idx = atoi(ctr_idx); |
| 421 | |
| 422 | ctrg = rate_ctr_get_group_by_name_idx(ctr_group, idx); |
| 423 | if (!ctrg) { |
| 424 | talloc_free(dup); |
| 425 | cmd->reply = "Counter group not found."; |
| 426 | goto err; |
| 427 | } |
| 428 | |
| 429 | ctr_name = strtok_r(NULL, "\0", &saveptr); |
| 430 | if (!ctr_name) { |
| 431 | talloc_free(dup); |
| 432 | return get_rate_ctr_group_idx(ctrg, intv, cmd); |
| 433 | } |
| 434 | |
| 435 | ctr = rate_ctr_get_by_name(ctrg, ctr_name); |
| 436 | if (!ctr) { |
| 437 | cmd->reply = "Counter name not found."; |
| 438 | talloc_free(dup); |
| 439 | goto err; |
| 440 | } |
| 441 | |
| 442 | talloc_free(dup); |
| 443 | |
Holger Hans Peter Freyther | ad6451f | 2012-03-16 12:18:39 +0100 | [diff] [blame] | 444 | cmd->reply = talloc_asprintf(cmd, "%"PRIu64, get_rate_ctr_value(ctr, intv)); |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 445 | if (!cmd->reply) |
| 446 | goto oom; |
| 447 | |
| 448 | return CTRL_CMD_REPLY; |
| 449 | oom: |
| 450 | cmd->reply = "OOM"; |
| 451 | err: |
| 452 | return CTRL_CMD_ERROR; |
| 453 | } |
| 454 | |
Daniel Willmann | f7c74e5 | 2011-08-05 11:48:18 +0200 | [diff] [blame] | 455 | static int set_rate_ctr(struct ctrl_cmd *cmd, void *data) |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 456 | { |
| 457 | cmd->reply = "Can't set rate counter."; |
| 458 | |
| 459 | return CTRL_CMD_ERROR; |
| 460 | } |
| 461 | |
Daniel Willmann | f7c74e5 | 2011-08-05 11:48:18 +0200 | [diff] [blame] | 462 | static int verify_rate_ctr(struct ctrl_cmd *cmd, const char *value, void *data) |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 463 | { |
| 464 | return 0; |
| 465 | } |
| 466 | |
| 467 | /* counter */ |
| 468 | CTRL_CMD_DEFINE(counter, "counter *"); |
Daniel Willmann | f7c74e5 | 2011-08-05 11:48:18 +0200 | [diff] [blame] | 469 | static int get_counter(struct ctrl_cmd *cmd, void *data) |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 470 | { |
| 471 | char *ctr_name, *tmp, *dup, *saveptr; |
| 472 | struct osmo_counter *counter; |
| 473 | |
| 474 | cmd->reply = "OOM"; |
| 475 | dup = talloc_strdup(cmd, cmd->variable); |
| 476 | if (!dup) |
| 477 | goto err; |
| 478 | |
| 479 | |
| 480 | tmp = strstr(dup, "counter"); |
| 481 | if (!tmp) { |
| 482 | talloc_free(dup); |
| 483 | goto err; |
| 484 | } |
| 485 | |
| 486 | strtok_r(tmp, ".", &saveptr); |
| 487 | ctr_name = strtok_r(NULL, "\0", &saveptr); |
| 488 | |
| 489 | if (!ctr_name) |
| 490 | goto err; |
| 491 | |
| 492 | counter = osmo_counter_get_by_name(ctr_name); |
| 493 | if (!counter) { |
| 494 | cmd->reply = "Counter name not found."; |
| 495 | talloc_free(dup); |
| 496 | goto err; |
| 497 | } |
| 498 | |
| 499 | talloc_free(dup); |
| 500 | |
| 501 | cmd->reply = talloc_asprintf(cmd, "%lu", counter->value); |
| 502 | if (!cmd->reply) { |
| 503 | cmd->reply = "OOM"; |
| 504 | goto err; |
| 505 | } |
| 506 | |
| 507 | return CTRL_CMD_REPLY; |
| 508 | err: |
| 509 | return CTRL_CMD_ERROR; |
| 510 | } |
| 511 | |
Daniel Willmann | f7c74e5 | 2011-08-05 11:48:18 +0200 | [diff] [blame] | 512 | static int set_counter(struct ctrl_cmd *cmd, void *data) |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 513 | { |
| 514 | |
| 515 | cmd->reply = "Can't set counter."; |
| 516 | |
| 517 | return CTRL_CMD_ERROR; |
| 518 | } |
| 519 | |
Daniel Willmann | f7c74e5 | 2011-08-05 11:48:18 +0200 | [diff] [blame] | 520 | static int verify_counter(struct ctrl_cmd *cmd, const char *value, void *data) |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 521 | { |
| 522 | return 0; |
| 523 | } |
| 524 | |
Holger Hans Peter Freyther | ea62a38 | 2014-03-23 16:25:16 +0100 | [diff] [blame] | 525 | struct ctrl_handle *controlif_setup(struct gsm_network *gsmnet, uint16_t port, |
| 526 | ctrl_cmd_handler handler) |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 527 | { |
| 528 | int ret; |
| 529 | struct ctrl_handle *ctrl; |
| 530 | |
Harald Welte | c9df37d | 2014-08-20 19:55:17 +0200 | [diff] [blame] | 531 | ctrl = talloc_zero(gsmnet, struct ctrl_handle); |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 532 | if (!ctrl) |
Daniel Willmann | 782974b | 2011-07-22 17:55:42 +0200 | [diff] [blame] | 533 | return NULL; |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 534 | |
Daniel Willmann | 0e0cf37 | 2011-05-06 16:37:25 +0200 | [diff] [blame] | 535 | INIT_LLIST_HEAD(&ctrl->ccon_list); |
| 536 | |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 537 | ctrl->gsmnet = gsmnet; |
Holger Hans Peter Freyther | ea62a38 | 2014-03-23 16:25:16 +0100 | [diff] [blame] | 538 | ctrl->handler = handler; |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 539 | |
| 540 | ctrl_node_vec = vector_init(5); |
Daniel Willmann | 9f97316 | 2011-08-05 12:22:35 +0200 | [diff] [blame] | 541 | if (!ctrl_node_vec) |
| 542 | goto err; |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 543 | |
| 544 | /* Listen for control connections */ |
Harald Welte | 1238cc6 | 2014-08-20 19:50:04 +0200 | [diff] [blame] | 545 | ctrl->listen_fd.cb = listen_fd_cb; |
| 546 | ctrl->listen_fd.data = ctrl; |
| 547 | ret = osmo_sock_init_ofd(&ctrl->listen_fd, AF_INET, SOCK_STREAM, IPPROTO_TCP, |
| 548 | "127.0.0.1", port, OSMO_SOCK_F_BIND); |
Daniel Willmann | 9f97316 | 2011-08-05 12:22:35 +0200 | [diff] [blame] | 549 | if (ret < 0) |
| 550 | goto err_vec; |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 551 | |
Daniel Willmann | 9f97316 | 2011-08-05 12:22:35 +0200 | [diff] [blame] | 552 | ret = ctrl_cmd_install(CTRL_NODE_ROOT, &cmd_rate_ctr); |
| 553 | if (ret) |
| 554 | goto err_vec; |
| 555 | ret = ctrl_cmd_install(CTRL_NODE_ROOT, &cmd_counter); |
| 556 | if (ret) |
| 557 | goto err_vec; |
Daniel Willmann | e9f5894 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 558 | |
Daniel Willmann | 782974b | 2011-07-22 17:55:42 +0200 | [diff] [blame] | 559 | return ctrl; |
Daniel Willmann | 9f97316 | 2011-08-05 12:22:35 +0200 | [diff] [blame] | 560 | err_vec: |
| 561 | vector_free(ctrl_node_vec); |
| 562 | ctrl_node_vec = NULL; |
| 563 | err: |
| 564 | talloc_free(ctrl); |
| 565 | return NULL; |
Daniel Willmann | 1264cb4 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 566 | } |