Daniel Willmann | 27da244 | 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> |
| 25 | #include <stdio.h> |
| 26 | #include <stdlib.h> |
| 27 | #include <string.h> |
| 28 | #include <time.h> |
| 29 | #include <unistd.h> |
| 30 | |
| 31 | #include <arpa/inet.h> |
| 32 | |
| 33 | #include <netinet/tcp.h> |
| 34 | |
| 35 | #include <sys/fcntl.h> |
| 36 | #include <sys/ioctl.h> |
| 37 | #include <sys/socket.h> |
| 38 | #include <sys/types.h> |
| 39 | |
| 40 | #include <openbsc/control_cmd.h> |
| 41 | #include <openbsc/debug.h> |
| 42 | #include <openbsc/e1_input.h> |
| 43 | #include <openbsc/gsm_data.h> |
| 44 | #include <openbsc/ipaccess.h> |
| 45 | #include <openbsc/socket.h> |
| 46 | #include <openbsc/subchan_demux.h> |
| 47 | |
| 48 | #include <openbsc/abis_rsl.h> |
| 49 | #include <openbsc/abis_nm.h> |
| 50 | |
| 51 | #include <osmocom/core/msgb.h> |
Daniel Willmann | 84edde2 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 52 | #include <osmocom/core/rate_ctr.h> |
Daniel Willmann | 27da244 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 53 | #include <osmocom/core/select.h> |
Daniel Willmann | 84edde2 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 54 | #include <osmocom/core/statistics.h> |
Daniel Willmann | 27da244 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 55 | #include <osmocom/core/talloc.h> |
| 56 | |
| 57 | #include <osmocom/gsm/tlv.h> |
| 58 | |
| 59 | #include <osmocom/vty/command.h> |
| 60 | #include <osmocom/vty/vector.h> |
| 61 | |
| 62 | struct ctrl_handle { |
| 63 | struct osmo_fd listen_fd; |
| 64 | struct gsm_network *gsmnet; |
| 65 | }; |
| 66 | |
| 67 | vector ctrl_node_vec; |
| 68 | |
| 69 | int ctrl_cmd_send(struct osmo_wqueue *queue, struct ctrl_cmd *cmd) |
| 70 | { |
| 71 | int ret; |
| 72 | struct msgb *msg; |
| 73 | |
| 74 | msg = ctrl_cmd_make(cmd); |
| 75 | if (!msg) { |
| 76 | LOGP(DINP, LOGL_ERROR, "Could not generate msg\n"); |
| 77 | return -1; |
| 78 | } |
| 79 | |
| 80 | ipaccess_prepend_header_ext(msg, IPAC_PROTO_EXT_CTRL); |
| 81 | ipaccess_prepend_header(msg, IPAC_PROTO_OSMO); |
| 82 | |
| 83 | ret = osmo_wqueue_enqueue(queue, msg); |
| 84 | if (ret != 0) { |
| 85 | LOGP(DINP, LOGL_ERROR, "Failed to enqueue the command.\n"); |
| 86 | msgb_free(msg); |
| 87 | } |
| 88 | return ret; |
| 89 | } |
| 90 | |
| 91 | int ctrl_cmd_handle(struct ctrl_cmd *cmd, void *data) |
| 92 | { |
| 93 | char *token, *request; |
| 94 | int num, i, j, ret, node; |
| 95 | struct gsm_network *gsmnet = data; |
| 96 | |
| 97 | struct gsm_network *net = NULL; |
| 98 | struct gsm_bts *bts = NULL; |
| 99 | struct gsm_bts_trx *trx = NULL; |
| 100 | struct gsm_bts_trx_ts *ts = NULL; |
| 101 | vector vline, cmdvec, cmds_vec; |
| 102 | |
| 103 | ret = CTRL_CMD_ERROR; |
| 104 | cmd->reply = "Someone forgot to fill in the reply."; |
| 105 | cmd->node = NULL; |
| 106 | node = CTRL_NODE_ROOT; |
| 107 | |
| 108 | request = talloc_strdup(tall_bsc_ctx, cmd->variable); |
| 109 | if (!request) |
| 110 | goto err; |
| 111 | |
| 112 | for (i=0;i<strlen(request);i++) { |
| 113 | if (request[i] == '.') |
| 114 | request[i] = ' '; |
| 115 | } |
| 116 | |
| 117 | vline = cmd_make_strvec(request); |
| 118 | talloc_free(request); |
| 119 | if (!vline) |
| 120 | goto err; |
| 121 | |
| 122 | for (i=0;i<vector_active(vline);i++) { |
| 123 | token = vector_slot(vline, i); |
| 124 | /* TODO: We need to make sure that the following chars are digits |
| 125 | * and/or use strtol to check if number conversion was successful |
| 126 | * Right now something like net.bts_stats will not work */ |
| 127 | if (!strcmp(token, "net")) { |
| 128 | net = gsmnet; |
| 129 | if (!net) |
| 130 | break; |
| 131 | cmd->node = net; |
| 132 | node = CTRL_NODE_NET; |
| 133 | } else if (!strncmp(token, "bts", 3)) { |
| 134 | if (!net) |
| 135 | break; |
| 136 | num = atoi(&token[3]); |
| 137 | bts = gsm_bts_num(net, num); |
| 138 | if (!bts) |
| 139 | break; |
| 140 | cmd->node = bts; |
| 141 | node = CTRL_NODE_BTS; |
| 142 | } else if (!strncmp(token, "trx", 3)) { |
| 143 | if (!bts) |
| 144 | break; |
| 145 | num = atoi(&token[3]); |
| 146 | trx = gsm_bts_trx_num(bts, num); |
| 147 | if (!trx) |
| 148 | break; |
| 149 | cmd->node = trx; |
| 150 | node = CTRL_NODE_TRX; |
| 151 | } else if (!strncmp(token, "ts", 2)) { |
| 152 | if (!trx) |
| 153 | break; |
| 154 | num = atoi(&token[2]); |
| 155 | if ((num >= 0) && (num < TRX_NR_TS)) |
| 156 | ts = &trx->ts[num]; |
| 157 | if (!ts) |
| 158 | break; |
| 159 | cmd->node = ts; |
| 160 | node = CTRL_NODE_TS; |
| 161 | } else { |
| 162 | /* If we're here the rest must be the command */ |
| 163 | cmdvec = vector_init(vector_active(vline)-i); |
| 164 | for (j=i; j<vector_active(vline); j++) { |
| 165 | vector_set(cmdvec, vector_slot(vline, j)); |
| 166 | } |
| 167 | |
| 168 | /* Get the command vector of the right node */ |
| 169 | cmds_vec = vector_lookup(ctrl_node_vec, node); |
| 170 | |
| 171 | if (!cmds_vec) { |
| 172 | cmd->reply = "Command not found"; |
| 173 | vector_free(cmdvec); |
| 174 | break; |
| 175 | } |
| 176 | |
| 177 | ret = ctrl_cmd_exec(cmdvec, cmd, cmds_vec, data); |
| 178 | |
| 179 | vector_free(cmdvec); |
| 180 | break; |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | cmd_free_strvec(vline); |
| 185 | |
| 186 | err: |
| 187 | if (ret == CTRL_CMD_ERROR) |
| 188 | cmd->type = CTRL_TYPE_ERROR; |
| 189 | return ret; |
| 190 | } |
| 191 | |
| 192 | static void control_close_conn(struct ctrl_connection *ccon) |
| 193 | { |
| 194 | close(ccon->write_queue.bfd.fd); |
| 195 | osmo_fd_unregister(&ccon->write_queue.bfd); |
| 196 | if (ccon->closed_cb) |
| 197 | ccon->closed_cb(ccon); |
| 198 | talloc_free(ccon); |
| 199 | } |
| 200 | |
| 201 | static int handle_control_read(struct osmo_fd * bfd) |
| 202 | { |
| 203 | int ret = -1, error; |
| 204 | struct osmo_wqueue *queue; |
| 205 | struct ctrl_connection *ccon; |
| 206 | struct ipaccess_head *iph; |
| 207 | struct ipaccess_head_ext *iph_ext; |
| 208 | struct msgb *msg; |
| 209 | struct ctrl_cmd *cmd; |
| 210 | struct ctrl_handle *ctrl = bfd->data; |
| 211 | |
| 212 | queue = container_of(bfd, struct osmo_wqueue, bfd); |
| 213 | ccon = container_of(queue, struct ctrl_connection, write_queue); |
| 214 | |
| 215 | msg = ipaccess_read_msg(bfd, &error); |
| 216 | |
| 217 | if (!msg) { |
| 218 | if (error == 0) |
| 219 | LOGP(DINP, LOGL_INFO, "The control connection was closed\n"); |
| 220 | else |
| 221 | LOGP(DINP, LOGL_ERROR, "Failed to parse ip access message: %d\n", error); |
| 222 | |
| 223 | goto err; |
| 224 | } |
| 225 | |
| 226 | if (msg->len < sizeof(*iph) + sizeof(*iph_ext)) { |
| 227 | LOGP(DINP, LOGL_ERROR, "The message is too short.\n"); |
| 228 | goto err; |
| 229 | } |
| 230 | |
| 231 | iph = (struct ipaccess_head *) msg->data; |
| 232 | if (iph->proto != IPAC_PROTO_OSMO) { |
| 233 | LOGP(DINP, LOGL_ERROR, "Protocol mismatch. We got 0x%x\n", iph->proto); |
| 234 | goto err; |
| 235 | } |
| 236 | |
| 237 | iph_ext = (struct ipaccess_head_ext *) iph->data; |
| 238 | if (iph_ext->proto != IPAC_PROTO_EXT_CTRL) { |
| 239 | LOGP(DINP, LOGL_ERROR, "Extended protocol mismatch. We got 0x%x\n", iph_ext->proto); |
| 240 | goto err; |
| 241 | } |
| 242 | |
| 243 | msg->l2h = iph_ext->data; |
| 244 | |
| 245 | cmd = ctrl_cmd_parse(ccon, msg); |
| 246 | |
| 247 | if (cmd) { |
| 248 | cmd->ccon = ccon; |
| 249 | if (ctrl_cmd_handle(cmd, ctrl->gsmnet) != CTRL_CMD_HANDLED) { |
| 250 | ctrl_cmd_send(queue, cmd); |
| 251 | talloc_free(cmd); |
| 252 | } |
| 253 | } else { |
| 254 | cmd = talloc_zero(ccon, struct ctrl_cmd); |
| 255 | if (!cmd) |
| 256 | goto err; |
| 257 | LOGP(DINP, LOGL_ERROR, "Command parser error.\n"); |
| 258 | cmd->type = CTRL_TYPE_ERROR; |
| 259 | cmd->id = "err"; |
| 260 | cmd->reply = "Command parser error."; |
| 261 | ctrl_cmd_send(queue, cmd); |
| 262 | talloc_free(cmd); |
| 263 | } |
| 264 | |
| 265 | msgb_free(msg); |
| 266 | return 0; |
| 267 | |
| 268 | err: |
| 269 | control_close_conn(ccon); |
| 270 | msgb_free(msg); |
| 271 | return ret; |
| 272 | } |
| 273 | |
| 274 | static int control_write_cb(struct osmo_fd *bfd, struct msgb *msg) |
| 275 | { |
| 276 | int rc; |
| 277 | |
| 278 | rc = write(bfd->fd, msg->data, msg->len); |
| 279 | if (rc != msg->len) |
| 280 | LOGP(DINP, LOGL_ERROR, "Failed to write message to the control connection.\n"); |
| 281 | |
| 282 | return rc; |
| 283 | } |
| 284 | |
| 285 | static struct ctrl_connection *ctrl_connection_alloc(void *ctx) |
| 286 | { |
| 287 | struct ctrl_connection *ccon = talloc_zero(ctx, struct ctrl_connection); |
| 288 | if (!ccon) |
| 289 | return NULL; |
| 290 | |
| 291 | osmo_wqueue_init(&ccon->write_queue, 100); |
| 292 | /* Error handling here? */ |
| 293 | |
| 294 | INIT_LLIST_HEAD(&ccon->cmds); |
| 295 | return ccon; |
| 296 | } |
| 297 | |
| 298 | static int listen_fd_cb(struct osmo_fd *listen_bfd, unsigned int what) |
| 299 | { |
| 300 | int ret, fd, on; |
| 301 | struct ctrl_connection *ccon; |
| 302 | struct sockaddr_in sa; |
| 303 | socklen_t sa_len = sizeof(sa); |
| 304 | |
| 305 | |
| 306 | if (!(what & BSC_FD_READ)) |
| 307 | return 0; |
| 308 | |
| 309 | fd = accept(listen_bfd->fd, (struct sockaddr *) &sa, &sa_len); |
| 310 | if (fd < 0) { |
| 311 | perror("accept"); |
| 312 | return fd; |
| 313 | } |
| 314 | LOGP(DINP, LOGL_INFO, "accept()ed new control connection from %s\n", |
| 315 | inet_ntoa(sa.sin_addr)); |
| 316 | |
| 317 | on = 1; |
| 318 | ret = setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on)); |
| 319 | if (ret != 0) { |
| 320 | LOGP(DNAT, LOGL_ERROR, "Failed to set TCP_NODELAY: %s\n", strerror(errno)); |
| 321 | close(fd); |
| 322 | return ret; |
| 323 | } |
| 324 | ccon = ctrl_connection_alloc(listen_bfd->data); |
| 325 | if (!ccon) { |
| 326 | LOGP(DINP, LOGL_ERROR, "Failed to allocate.\n"); |
| 327 | close(fd); |
| 328 | return -1; |
| 329 | } |
| 330 | |
| 331 | ccon->write_queue.bfd.data = listen_bfd->data; |
| 332 | ccon->write_queue.bfd.fd = fd; |
| 333 | ccon->write_queue.bfd.when = BSC_FD_READ; |
| 334 | ccon->write_queue.read_cb = handle_control_read; |
| 335 | ccon->write_queue.write_cb = control_write_cb; |
| 336 | |
| 337 | ret = osmo_fd_register(&ccon->write_queue.bfd); |
| 338 | if (ret < 0) { |
| 339 | LOGP(DINP, LOGL_ERROR, "Could not register FD.\n"); |
| 340 | close(ccon->write_queue.bfd.fd); |
| 341 | talloc_free(ccon); |
| 342 | } |
| 343 | |
| 344 | return ret; |
| 345 | } |
| 346 | |
Daniel Willmann | 84edde2 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 347 | static uint64_t get_rate_ctr_value(const struct rate_ctr *ctr, int intv) |
| 348 | { |
| 349 | if (intv >= RATE_CTR_INTV_NUM) |
| 350 | return 0; |
| 351 | |
| 352 | /* Absolute value */ |
| 353 | if (intv == -1) { |
| 354 | return ctr->current; |
| 355 | } else { |
| 356 | return ctr->intv[intv].rate; |
| 357 | } |
| 358 | } |
| 359 | |
| 360 | static char *get_all_rate_ctr_in_group(const struct rate_ctr_group *ctrg, int intv) |
| 361 | { |
| 362 | int i; |
| 363 | char *counters = talloc_strdup(tall_bsc_ctx, ""); |
| 364 | if (!counters) |
| 365 | return NULL; |
| 366 | |
| 367 | for (i=0;i<ctrg->desc->num_ctr;i++) { |
| 368 | counters = talloc_asprintf_append(counters, "\n%s.%u.%s %lu", |
| 369 | ctrg->desc->group_name_prefix, ctrg->idx, |
| 370 | ctrg->desc->ctr_desc[i].name, |
| 371 | get_rate_ctr_value(&ctrg->ctr[i], intv)); |
| 372 | if (!counters) |
| 373 | return NULL; |
| 374 | } |
| 375 | return counters; |
| 376 | } |
| 377 | |
| 378 | static int get_rate_ctr_group(const char *ctr_group, int intv, struct ctrl_cmd *cmd) |
| 379 | { |
| 380 | int i; |
| 381 | char *counters; |
| 382 | struct rate_ctr_group *ctrg; |
| 383 | |
| 384 | cmd->reply = talloc_asprintf(cmd, "All counters in group %s", ctr_group); |
| 385 | if (!cmd->reply) |
| 386 | goto oom; |
| 387 | |
| 388 | for (i=0;;i++) { |
| 389 | ctrg = rate_ctr_get_group_by_name_idx(ctr_group, i); |
| 390 | if (!ctrg) |
| 391 | break; |
| 392 | |
| 393 | counters = get_all_rate_ctr_in_group(ctrg, intv); |
| 394 | if (!counters) |
| 395 | goto oom; |
| 396 | |
| 397 | cmd->reply = talloc_asprintf_append(cmd->reply, "%s", counters); |
| 398 | talloc_free(counters); |
| 399 | if (!cmd->reply) |
| 400 | goto oom; |
| 401 | } |
| 402 | |
| 403 | /* We found no counter group by that name */ |
| 404 | if (i == 0) { |
| 405 | cmd->reply = talloc_asprintf(cmd, "No counter group with name %s.", ctr_group); |
| 406 | return CTRL_CMD_ERROR; |
| 407 | } |
| 408 | |
| 409 | return CTRL_CMD_REPLY; |
| 410 | oom: |
| 411 | cmd->reply = "OOM."; |
| 412 | return CTRL_CMD_ERROR; |
| 413 | } |
| 414 | |
| 415 | static int get_rate_ctr_group_idx(const struct rate_ctr_group *ctrg, int intv, struct ctrl_cmd *cmd) |
| 416 | { |
| 417 | char *counters; |
| 418 | |
| 419 | counters = get_all_rate_ctr_in_group(ctrg, intv); |
| 420 | if (!counters) |
| 421 | goto oom; |
| 422 | |
| 423 | cmd->reply = talloc_asprintf(cmd, "All counters in %s.%u%s", |
| 424 | ctrg->desc->group_name_prefix, ctrg->idx, counters); |
| 425 | talloc_free(counters); |
| 426 | if (!cmd->reply) |
| 427 | goto oom; |
| 428 | |
| 429 | return CTRL_CMD_REPLY; |
| 430 | oom: |
| 431 | cmd->reply = "OOM."; |
| 432 | return CTRL_CMD_ERROR; |
| 433 | } |
| 434 | |
| 435 | /* rate_ctr */ |
| 436 | CTRL_CMD_DEFINE(rate_ctr, "rate_ctr *"); |
| 437 | int get_rate_ctr(struct ctrl_cmd *cmd, void *data) |
| 438 | { |
| 439 | int intv; |
| 440 | unsigned int idx; |
| 441 | char *ctr_group, *ctr_idx, *ctr_name, *tmp, *dup, *saveptr, *interval; |
| 442 | struct rate_ctr_group *ctrg; |
| 443 | const struct rate_ctr *ctr; |
| 444 | |
| 445 | dup = talloc_strdup(cmd, cmd->variable); |
| 446 | if (!dup) |
| 447 | goto oom; |
| 448 | |
| 449 | /* Skip over possible prefixes (net.) */ |
| 450 | tmp = strstr(dup, "rate_ctr"); |
| 451 | if (!tmp) { |
| 452 | talloc_free(dup); |
| 453 | cmd->reply = "rate_ctr not a token in rate_ctr command!"; |
| 454 | goto err; |
| 455 | } |
| 456 | |
| 457 | strtok_r(tmp, ".", &saveptr); |
| 458 | interval = strtok_r(NULL, ".", &saveptr); |
| 459 | if (!interval) { |
| 460 | talloc_free(dup); |
| 461 | cmd->reply = "Missing interval."; |
| 462 | goto err; |
| 463 | } |
| 464 | |
| 465 | if (!strcmp(interval, "abs")) { |
| 466 | intv = -1; |
| 467 | } else if (!strcmp(interval, "per_sec")) { |
| 468 | intv = RATE_CTR_INTV_SEC; |
| 469 | } else if (!strcmp(interval, "per_min")) { |
| 470 | intv = RATE_CTR_INTV_MIN; |
| 471 | } else if (!strcmp(interval, "per_hour")) { |
| 472 | intv = RATE_CTR_INTV_HOUR; |
| 473 | } else if (!strcmp(interval, "per_day")) { |
| 474 | intv = RATE_CTR_INTV_DAY; |
| 475 | } else { |
| 476 | talloc_free(dup); |
| 477 | cmd->reply = "Wrong interval."; |
| 478 | goto err; |
| 479 | } |
| 480 | |
| 481 | ctr_group = strtok_r(NULL, ".", &saveptr); |
| 482 | tmp = strtok_r(NULL, ".", &saveptr); |
| 483 | if (!ctr_group || !tmp) { |
| 484 | talloc_free(dup); |
| 485 | cmd->reply = "Counter group must be of form a.b"; |
| 486 | goto err; |
| 487 | } |
| 488 | ctr_group[strlen(ctr_group)] = '.'; |
| 489 | |
| 490 | ctr_idx = strtok_r(NULL, ".", &saveptr); |
| 491 | if (!ctr_idx) { |
| 492 | talloc_free(dup); |
| 493 | return get_rate_ctr_group(ctr_group, intv, cmd); |
| 494 | } |
| 495 | idx = atoi(ctr_idx); |
| 496 | |
| 497 | ctrg = rate_ctr_get_group_by_name_idx(ctr_group, idx); |
| 498 | if (!ctrg) { |
| 499 | talloc_free(dup); |
| 500 | cmd->reply = "Counter group not found."; |
| 501 | goto err; |
| 502 | } |
| 503 | |
| 504 | ctr_name = strtok_r(NULL, "\0", &saveptr); |
| 505 | if (!ctr_name) { |
| 506 | talloc_free(dup); |
| 507 | return get_rate_ctr_group_idx(ctrg, intv, cmd); |
| 508 | } |
| 509 | |
| 510 | ctr = rate_ctr_get_by_name(ctrg, ctr_name); |
| 511 | if (!ctr) { |
| 512 | cmd->reply = "Counter name not found."; |
| 513 | talloc_free(dup); |
| 514 | goto err; |
| 515 | } |
| 516 | |
| 517 | talloc_free(dup); |
| 518 | |
| 519 | cmd->reply = talloc_asprintf(cmd, "%lu", get_rate_ctr_value(ctr, intv)); |
| 520 | if (!cmd->reply) |
| 521 | goto oom; |
| 522 | |
| 523 | return CTRL_CMD_REPLY; |
| 524 | oom: |
| 525 | cmd->reply = "OOM"; |
| 526 | err: |
| 527 | return CTRL_CMD_ERROR; |
| 528 | } |
| 529 | |
| 530 | int set_rate_ctr(struct ctrl_cmd *cmd, void *data) |
| 531 | { |
| 532 | cmd->reply = "Can't set rate counter."; |
| 533 | |
| 534 | return CTRL_CMD_ERROR; |
| 535 | } |
| 536 | |
| 537 | int verify_rate_ctr(struct ctrl_cmd *cmd, const char *value, void *data) |
| 538 | { |
| 539 | return 0; |
| 540 | } |
| 541 | |
| 542 | /* counter */ |
| 543 | CTRL_CMD_DEFINE(counter, "counter *"); |
| 544 | int get_counter(struct ctrl_cmd *cmd, void *data) |
| 545 | { |
| 546 | char *ctr_name, *tmp, *dup, *saveptr; |
| 547 | struct osmo_counter *counter; |
| 548 | |
| 549 | cmd->reply = "OOM"; |
| 550 | dup = talloc_strdup(cmd, cmd->variable); |
| 551 | if (!dup) |
| 552 | goto err; |
| 553 | |
| 554 | |
| 555 | tmp = strstr(dup, "counter"); |
| 556 | if (!tmp) { |
| 557 | talloc_free(dup); |
| 558 | goto err; |
| 559 | } |
| 560 | |
| 561 | strtok_r(tmp, ".", &saveptr); |
| 562 | ctr_name = strtok_r(NULL, "\0", &saveptr); |
| 563 | |
| 564 | if (!ctr_name) |
| 565 | goto err; |
| 566 | |
| 567 | counter = osmo_counter_get_by_name(ctr_name); |
| 568 | if (!counter) { |
| 569 | cmd->reply = "Counter name not found."; |
| 570 | talloc_free(dup); |
| 571 | goto err; |
| 572 | } |
| 573 | |
| 574 | talloc_free(dup); |
| 575 | |
| 576 | cmd->reply = talloc_asprintf(cmd, "%lu", counter->value); |
| 577 | if (!cmd->reply) { |
| 578 | cmd->reply = "OOM"; |
| 579 | goto err; |
| 580 | } |
| 581 | |
| 582 | return CTRL_CMD_REPLY; |
| 583 | err: |
| 584 | return CTRL_CMD_ERROR; |
| 585 | } |
| 586 | |
| 587 | int set_counter(struct ctrl_cmd *cmd, void *data) |
| 588 | { |
| 589 | |
| 590 | cmd->reply = "Can't set counter."; |
| 591 | |
| 592 | return CTRL_CMD_ERROR; |
| 593 | } |
| 594 | |
| 595 | int verify_counter(struct ctrl_cmd *cmd, const char *value, void *data) |
| 596 | { |
| 597 | return 0; |
| 598 | } |
| 599 | |
Daniel Willmann | 27da244 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 600 | int controlif_setup(struct gsm_network *gsmnet, uint16_t port) |
| 601 | { |
| 602 | int ret; |
| 603 | struct ctrl_handle *ctrl; |
| 604 | |
| 605 | ctrl = talloc_zero(tall_bsc_ctx, struct ctrl_handle); |
| 606 | if (!ctrl) |
| 607 | return -ENOMEM; |
| 608 | |
| 609 | ctrl->gsmnet = gsmnet; |
| 610 | |
| 611 | ctrl_node_vec = vector_init(5); |
| 612 | if (!ctrl_node_vec) |
| 613 | return -ENOMEM; |
| 614 | |
| 615 | /* Listen for control connections */ |
| 616 | ret = make_sock(&ctrl->listen_fd, IPPROTO_TCP, 0, port, |
| 617 | 0, listen_fd_cb, ctrl); |
| 618 | if (ret < 0) { |
| 619 | talloc_free(ctrl); |
| 620 | return ret; |
| 621 | } |
| 622 | |
Daniel Willmann | 84edde2 | 2011-04-21 11:43:55 +0200 | [diff] [blame] | 623 | ctrl_cmd_install(CTRL_NODE_ROOT, &cmd_rate_ctr); |
| 624 | ctrl_cmd_install(CTRL_NODE_ROOT, &cmd_counter); |
| 625 | |
Daniel Willmann | 27da244 | 2010-10-21 15:00:36 +0200 | [diff] [blame] | 626 | return ret; |
| 627 | } |