Alexandre Lision | 94f06ba | 2013-12-09 16:28:33 -0500 | [diff] [blame^] | 1 | /* $Id$ */ |
Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| 4 | * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | |
| 22 | /** |
| 23 | * sipecho.c |
| 24 | * |
| 25 | * - Accepts incoming calls and echoes back SDP and any media. |
| 26 | * - Specify URI in cmdline argument to make call |
| 27 | * - Accepts registration too! |
| 28 | */ |
| 29 | |
| 30 | /* Include all headers. */ |
| 31 | #include <pjsip.h> |
| 32 | #include <pjmedia/sdp.h> |
| 33 | #include <pjsip_ua.h> |
| 34 | #include <pjlib-util.h> |
| 35 | #include <pjlib.h> |
| 36 | |
| 37 | /* For logging purpose. */ |
| 38 | #define THIS_FILE "sipecho.c" |
| 39 | |
| 40 | #include "util.h" |
| 41 | |
| 42 | |
| 43 | /* Settings */ |
| 44 | #define MAX_CALLS 8 |
| 45 | |
| 46 | typedef struct call_t |
| 47 | { |
| 48 | pjsip_inv_session *inv; |
| 49 | } call_t; |
| 50 | |
| 51 | static struct app_t |
| 52 | { |
| 53 | pj_caching_pool cp; |
| 54 | pj_pool_t *pool; |
| 55 | |
| 56 | pjsip_endpoint *sip_endpt; |
| 57 | //pjmedia_endpt *med_endpt; |
| 58 | |
| 59 | call_t call[MAX_CALLS]; |
| 60 | |
| 61 | pj_bool_t quit; |
| 62 | pj_thread_t *worker_thread; |
| 63 | |
| 64 | pj_bool_t enable_msg_logging; |
| 65 | } app; |
| 66 | |
| 67 | /* |
| 68 | * Prototypes: |
| 69 | */ |
| 70 | |
| 71 | static void call_on_media_update(pjsip_inv_session *inv, pj_status_t status); |
| 72 | static void call_on_state_changed(pjsip_inv_session *inv, pjsip_event *e); |
| 73 | static void call_on_rx_offer(pjsip_inv_session *inv, const pjmedia_sdp_session *offer); |
| 74 | static void call_on_forked(pjsip_inv_session *inv, pjsip_event *e); |
| 75 | static pj_bool_t on_rx_request( pjsip_rx_data *rdata ); |
| 76 | |
| 77 | /* Globals */ |
| 78 | static int sip_af; |
| 79 | static int sip_port = 5060; |
| 80 | static pj_bool_t sip_tcp; |
| 81 | |
| 82 | /* This is a PJSIP module to be registered by application to handle |
| 83 | * incoming requests outside any dialogs/transactions. The main purpose |
| 84 | * here is to handle incoming INVITE request message, where we will |
| 85 | * create a dialog and INVITE session for it. |
| 86 | */ |
| 87 | static pjsip_module mod_sipecho = |
| 88 | { |
| 89 | NULL, NULL, /* prev, next. */ |
| 90 | { "mod-sipecho", 11 }, /* Name. */ |
| 91 | -1, /* Id */ |
| 92 | PJSIP_MOD_PRIORITY_APPLICATION, /* Priority */ |
| 93 | NULL, /* load() */ |
| 94 | NULL, /* start() */ |
| 95 | NULL, /* stop() */ |
| 96 | NULL, /* unload() */ |
| 97 | &on_rx_request, /* on_rx_request() */ |
| 98 | NULL, /* on_rx_response() */ |
| 99 | NULL, /* on_tx_request. */ |
| 100 | NULL, /* on_tx_response() */ |
| 101 | NULL, /* on_tsx_state() */ |
| 102 | }; |
| 103 | |
| 104 | /* Notification on incoming messages */ |
| 105 | static pj_bool_t logging_on_rx_msg(pjsip_rx_data *rdata) |
| 106 | { |
| 107 | if (!app.enable_msg_logging) |
| 108 | return PJ_FALSE; |
| 109 | |
| 110 | PJ_LOG(3,(THIS_FILE, "RX %d bytes %s from %s %s:%d:\n" |
| 111 | "%.*s\n" |
| 112 | "--end msg--", |
| 113 | rdata->msg_info.len, |
| 114 | pjsip_rx_data_get_info(rdata), |
| 115 | rdata->tp_info.transport->type_name, |
| 116 | rdata->pkt_info.src_name, |
| 117 | rdata->pkt_info.src_port, |
| 118 | (int)rdata->msg_info.len, |
| 119 | rdata->msg_info.msg_buf)); |
| 120 | return PJ_FALSE; |
| 121 | } |
| 122 | |
| 123 | /* Notification on outgoing messages */ |
| 124 | static pj_status_t logging_on_tx_msg(pjsip_tx_data *tdata) |
| 125 | { |
| 126 | if (!app.enable_msg_logging) |
| 127 | return PJ_SUCCESS; |
| 128 | |
| 129 | PJ_LOG(3,(THIS_FILE, "TX %d bytes %s to %s %s:%d:\n" |
| 130 | "%.*s\n" |
| 131 | "--end msg--", |
| 132 | (tdata->buf.cur - tdata->buf.start), |
| 133 | pjsip_tx_data_get_info(tdata), |
| 134 | tdata->tp_info.transport->type_name, |
| 135 | tdata->tp_info.dst_name, |
| 136 | tdata->tp_info.dst_port, |
| 137 | (int)(tdata->buf.cur - tdata->buf.start), |
| 138 | tdata->buf.start)); |
| 139 | return PJ_SUCCESS; |
| 140 | } |
| 141 | |
| 142 | /* The module instance. */ |
| 143 | static pjsip_module msg_logger = |
| 144 | { |
| 145 | NULL, NULL, /* prev, next. */ |
| 146 | { "mod-msg-log", 13 }, /* Name. */ |
| 147 | -1, /* Id */ |
| 148 | PJSIP_MOD_PRIORITY_TRANSPORT_LAYER-1,/* Priority */ |
| 149 | NULL, /* load() */ |
| 150 | NULL, /* start() */ |
| 151 | NULL, /* stop() */ |
| 152 | NULL, /* unload() */ |
| 153 | &logging_on_rx_msg, /* on_rx_request() */ |
| 154 | &logging_on_rx_msg, /* on_rx_response() */ |
| 155 | &logging_on_tx_msg, /* on_tx_request. */ |
| 156 | &logging_on_tx_msg, /* on_tx_response() */ |
| 157 | NULL, /* on_tsx_state() */ |
| 158 | |
| 159 | }; |
| 160 | |
| 161 | static int worker_proc(void *arg) |
| 162 | { |
| 163 | PJ_UNUSED_ARG(arg); |
| 164 | |
| 165 | while (!app.quit) { |
| 166 | pj_time_val interval = { 0, 20 }; |
| 167 | pjsip_endpt_handle_events(app.sip_endpt, &interval); |
| 168 | } |
| 169 | |
| 170 | return 0; |
| 171 | } |
| 172 | |
| 173 | static void hangup_all(void) |
| 174 | { |
| 175 | unsigned i; |
| 176 | for (i=0; i<MAX_CALLS; ++i) { |
| 177 | call_t *call = &app.call[i]; |
| 178 | |
| 179 | if (call->inv && call->inv->state <= PJSIP_INV_STATE_CONFIRMED) { |
| 180 | pj_status_t status; |
| 181 | pjsip_tx_data *tdata; |
| 182 | |
| 183 | status = pjsip_inv_end_session(call->inv, PJSIP_SC_BUSY_HERE, NULL, &tdata); |
| 184 | if (status==PJ_SUCCESS && tdata) |
| 185 | pjsip_inv_send_msg(call->inv, tdata); |
| 186 | } |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | static void destroy_stack(void) |
| 191 | { |
| 192 | enum { WAIT_CLEAR = 5000, WAIT_INTERVAL = 500 }; |
| 193 | unsigned i; |
| 194 | |
| 195 | PJ_LOG(3,(THIS_FILE, "Shutting down..")); |
| 196 | |
| 197 | /* Wait until all clear */ |
| 198 | hangup_all(); |
| 199 | for (i=0; i<WAIT_CLEAR/WAIT_INTERVAL; ++i) { |
| 200 | unsigned j; |
| 201 | |
| 202 | for (j=0; j<MAX_CALLS; ++j) { |
| 203 | call_t *call = &app.call[j]; |
| 204 | if (call->inv && call->inv->state <= PJSIP_INV_STATE_CONFIRMED) |
| 205 | break; |
| 206 | } |
| 207 | |
| 208 | if (j==MAX_CALLS) |
| 209 | return; |
| 210 | |
| 211 | pj_thread_sleep(WAIT_INTERVAL); |
| 212 | } |
| 213 | |
| 214 | app.quit = PJ_TRUE; |
| 215 | if (app.worker_thread) { |
| 216 | pj_thread_join(app.worker_thread); |
| 217 | app.worker_thread = NULL; |
| 218 | } |
| 219 | |
| 220 | //if (app.med_endpt) |
| 221 | //pjmedia_endpt_destroy(app.med_endpt); |
| 222 | |
| 223 | if (app.sip_endpt) |
| 224 | pjsip_endpt_destroy(app.sip_endpt); |
| 225 | |
| 226 | if (app.pool) |
| 227 | pj_pool_release(app.pool); |
| 228 | |
| 229 | dump_pool_usage(THIS_FILE, &app.cp); |
| 230 | pj_caching_pool_destroy(&app.cp); |
| 231 | } |
| 232 | |
| 233 | #define CHECK_STATUS() do { if (status != PJ_SUCCESS) return status; } while (0) |
| 234 | |
| 235 | static pj_status_t init_stack() |
| 236 | { |
| 237 | pj_sockaddr addr; |
| 238 | pjsip_inv_callback inv_cb; |
| 239 | pj_status_t status; |
| 240 | |
| 241 | pj_log_set_level(3); |
| 242 | |
| 243 | status = pjlib_util_init(); |
| 244 | CHECK_STATUS(); |
| 245 | |
| 246 | pj_caching_pool_init(&app.cp, NULL, 0); |
| 247 | app.pool = pj_pool_create( &app.cp.factory, "sipecho", 512, 512, 0); |
| 248 | |
| 249 | status = pjsip_endpt_create(&app.cp.factory, NULL, &app.sip_endpt); |
| 250 | CHECK_STATUS(); |
| 251 | |
| 252 | pj_log_set_level(4); |
| 253 | pj_sockaddr_init((pj_uint16_t)sip_af, &addr, NULL, (pj_uint16_t)sip_port); |
| 254 | if (sip_af == pj_AF_INET()) { |
| 255 | if (sip_tcp) { |
| 256 | status = pjsip_tcp_transport_start( app.sip_endpt, &addr.ipv4, 1, |
| 257 | NULL); |
| 258 | } else { |
| 259 | status = pjsip_udp_transport_start( app.sip_endpt, &addr.ipv4, |
| 260 | NULL, 1, NULL); |
| 261 | } |
| 262 | } else if (sip_af == pj_AF_INET6()) { |
| 263 | status = pjsip_udp_transport_start6(app.sip_endpt, &addr.ipv6, |
| 264 | NULL, 1, NULL); |
| 265 | } else { |
| 266 | status = PJ_EAFNOTSUP; |
| 267 | } |
| 268 | |
| 269 | pj_log_set_level(3); |
| 270 | CHECK_STATUS(); |
| 271 | |
| 272 | status = pjsip_tsx_layer_init_module(app.sip_endpt) || |
| 273 | pjsip_ua_init_module( app.sip_endpt, NULL ); |
| 274 | CHECK_STATUS(); |
| 275 | |
| 276 | pj_bzero(&inv_cb, sizeof(inv_cb)); |
| 277 | inv_cb.on_state_changed = &call_on_state_changed; |
| 278 | inv_cb.on_new_session = &call_on_forked; |
| 279 | inv_cb.on_media_update = &call_on_media_update; |
| 280 | inv_cb.on_rx_offer = &call_on_rx_offer; |
| 281 | |
| 282 | status = pjsip_inv_usage_init(app.sip_endpt, &inv_cb) || |
| 283 | pjsip_100rel_init_module(app.sip_endpt) || |
| 284 | pjsip_endpt_register_module( app.sip_endpt, &mod_sipecho) || |
| 285 | pjsip_endpt_register_module( app.sip_endpt, &msg_logger) || |
| 286 | //pjmedia_endpt_create(&app.cp.factory, |
| 287 | // pjsip_endpt_get_ioqueue(app.sip_endpt), |
| 288 | // 0, &app.med_endpt) || |
| 289 | pj_thread_create(app.pool, "sipecho", &worker_proc, NULL, 0, 0, |
| 290 | &app.worker_thread); |
| 291 | CHECK_STATUS(); |
| 292 | |
| 293 | return PJ_SUCCESS; |
| 294 | } |
| 295 | |
| 296 | static void destroy_call(call_t *call) |
| 297 | { |
| 298 | call->inv = NULL; |
| 299 | } |
| 300 | |
| 301 | static pjmedia_sdp_attr * find_remove_sdp_attrs(unsigned *cnt, |
| 302 | pjmedia_sdp_attr *attr[], |
| 303 | unsigned cnt_attr_to_remove, |
| 304 | const char* attr_to_remove[]) |
| 305 | { |
| 306 | pjmedia_sdp_attr *found_attr = NULL; |
| 307 | int i; |
| 308 | |
| 309 | for (i=0; i<(int)*cnt; ++i) { |
| 310 | unsigned j; |
| 311 | for (j=0; j<cnt_attr_to_remove; ++j) { |
| 312 | if (pj_strcmp2(&attr[i]->name, attr_to_remove[j])==0) { |
| 313 | if (!found_attr) found_attr = attr[i]; |
| 314 | pj_array_erase(attr, sizeof(attr[0]), *cnt, i); |
| 315 | --(*cnt); |
| 316 | --i; |
| 317 | break; |
| 318 | } |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | return found_attr; |
| 323 | } |
| 324 | |
| 325 | static pjmedia_sdp_session *create_answer(int call_num, pj_pool_t *pool, |
| 326 | const pjmedia_sdp_session *offer) |
| 327 | { |
| 328 | const char* dir_attrs[] = { "sendrecv", "sendonly", "recvonly", "inactive" }; |
| 329 | const char *ice_attrs[] = {"ice-pwd", "ice-ufrag", "candidate"}; |
| 330 | pjmedia_sdp_session *answer = pjmedia_sdp_session_clone(pool, offer); |
| 331 | pjmedia_sdp_attr *sess_dir_attr = NULL; |
| 332 | unsigned mi; |
| 333 | |
| 334 | PJ_LOG(3,(THIS_FILE, "Call %d: creating answer:", call_num)); |
| 335 | |
| 336 | answer->name = pj_str("sipecho"); |
| 337 | sess_dir_attr = find_remove_sdp_attrs(&answer->attr_count, answer->attr, |
| 338 | PJ_ARRAY_SIZE(dir_attrs), |
| 339 | dir_attrs); |
| 340 | |
| 341 | for (mi=0; mi<answer->media_count; ++mi) { |
| 342 | pjmedia_sdp_media *m = answer->media[mi]; |
| 343 | pjmedia_sdp_attr *m_dir_attr; |
| 344 | pjmedia_sdp_attr *dir_attr; |
| 345 | const char *our_dir = NULL; |
| 346 | pjmedia_sdp_conn *c; |
| 347 | |
| 348 | /* Match direction */ |
| 349 | m_dir_attr = find_remove_sdp_attrs(&m->attr_count, m->attr, |
| 350 | PJ_ARRAY_SIZE(dir_attrs), |
| 351 | dir_attrs); |
| 352 | dir_attr = m_dir_attr ? m_dir_attr : sess_dir_attr; |
| 353 | |
| 354 | if (dir_attr) { |
| 355 | if (pj_strcmp2(&dir_attr->name, "sendonly")==0) |
| 356 | our_dir = "recvonly"; |
| 357 | else if (pj_strcmp2(&dir_attr->name, "inactive")==0) |
| 358 | our_dir = "inactive"; |
| 359 | else if (pj_strcmp2(&dir_attr->name, "recvonly")==0) |
| 360 | our_dir = "inactive"; |
| 361 | |
| 362 | if (our_dir) { |
| 363 | dir_attr = PJ_POOL_ZALLOC_T(pool, pjmedia_sdp_attr); |
| 364 | dir_attr->name = pj_str((char*)our_dir); |
| 365 | m->attr[m->attr_count++] = dir_attr; |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | /* Remove ICE attributes */ |
| 370 | find_remove_sdp_attrs(&m->attr_count, m->attr, PJ_ARRAY_SIZE(ice_attrs), ice_attrs); |
| 371 | |
| 372 | /* Done */ |
| 373 | c = m->conn ? m->conn : answer->conn; |
| 374 | PJ_LOG(3,(THIS_FILE, " Media %d, %.*s: %s <--> %.*s:%d", |
| 375 | mi, (int)m->desc.media.slen, m->desc.media.ptr, |
| 376 | (our_dir ? our_dir : "sendrecv"), |
| 377 | (int)c->addr.slen, c->addr.ptr, m->desc.port)); |
| 378 | } |
| 379 | |
| 380 | return answer; |
| 381 | } |
| 382 | |
| 383 | static void call_on_state_changed( pjsip_inv_session *inv, |
| 384 | pjsip_event *e) |
| 385 | { |
| 386 | call_t *call = (call_t*)inv->mod_data[mod_sipecho.id]; |
| 387 | if (!call) |
| 388 | return; |
| 389 | |
| 390 | PJ_UNUSED_ARG(e); |
| 391 | if (inv->state == PJSIP_INV_STATE_DISCONNECTED) { |
| 392 | PJ_LOG(3,(THIS_FILE, "Call %d: DISCONNECTED [reason=%d (%s)]", |
| 393 | call - app.call, inv->cause, |
| 394 | pjsip_get_status_text(inv->cause)->ptr)); |
| 395 | destroy_call(call); |
| 396 | } else { |
| 397 | PJ_LOG(3,(THIS_FILE, "Call %d: state changed to %s", |
| 398 | call - app.call, pjsip_inv_state_name(inv->state))); |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | static void call_on_rx_offer(pjsip_inv_session *inv, const pjmedia_sdp_session *offer) |
| 403 | { |
| 404 | call_t *call = (call_t*) inv->mod_data[mod_sipecho.id]; |
| 405 | pjsip_inv_set_sdp_answer(inv, create_answer((int)(call - app.call), |
| 406 | inv->pool_prov, offer)); |
| 407 | } |
| 408 | |
| 409 | static void call_on_forked(pjsip_inv_session *inv, pjsip_event *e) |
| 410 | { |
| 411 | PJ_UNUSED_ARG(inv); |
| 412 | PJ_UNUSED_ARG(e); |
| 413 | } |
| 414 | |
| 415 | static pj_bool_t on_rx_request( pjsip_rx_data *rdata ) |
| 416 | { |
| 417 | pj_sockaddr hostaddr; |
| 418 | char temp[80], hostip[PJ_INET6_ADDRSTRLEN]; |
| 419 | pj_str_t local_uri; |
| 420 | pjsip_dialog *dlg; |
| 421 | pjsip_rdata_sdp_info *sdp_info; |
| 422 | pjmedia_sdp_session *answer = NULL; |
| 423 | pjsip_tx_data *tdata = NULL; |
| 424 | call_t *call = NULL; |
| 425 | unsigned i; |
| 426 | pj_status_t status; |
| 427 | |
| 428 | PJ_LOG(3,(THIS_FILE, "RX %.*s from %s", |
| 429 | (int)rdata->msg_info.msg->line.req.method.name.slen, |
| 430 | rdata->msg_info.msg->line.req.method.name.ptr, |
| 431 | rdata->pkt_info.src_name)); |
| 432 | |
| 433 | if (rdata->msg_info.msg->line.req.method.id == PJSIP_REGISTER_METHOD) { |
| 434 | /* Let me be a registrar! */ |
| 435 | pjsip_hdr hdr_list, *h; |
| 436 | pjsip_msg *msg; |
| 437 | int expires = -1; |
| 438 | |
| 439 | pj_list_init(&hdr_list); |
| 440 | msg = rdata->msg_info.msg; |
| 441 | h = (pjsip_hdr*)pjsip_msg_find_hdr(msg, PJSIP_H_EXPIRES, NULL); |
| 442 | if (h) { |
| 443 | expires = ((pjsip_expires_hdr*)h)->ivalue; |
| 444 | pj_list_push_back(&hdr_list, pjsip_hdr_clone(rdata->tp_info.pool, h)); |
| 445 | PJ_LOG(3,(THIS_FILE, " Expires=%d", expires)); |
| 446 | } |
| 447 | if (expires != 0) { |
| 448 | h = (pjsip_hdr*)pjsip_msg_find_hdr(msg, PJSIP_H_CONTACT, NULL); |
| 449 | if (h) |
| 450 | pj_list_push_back(&hdr_list, pjsip_hdr_clone(rdata->tp_info.pool, h)); |
| 451 | } |
| 452 | |
| 453 | pjsip_endpt_respond(app.sip_endpt, &mod_sipecho, rdata, 200, NULL, |
| 454 | &hdr_list, NULL, NULL); |
| 455 | return PJ_TRUE; |
| 456 | } |
| 457 | |
| 458 | if (rdata->msg_info.msg->line.req.method.id != PJSIP_INVITE_METHOD) { |
| 459 | if (rdata->msg_info.msg->line.req.method.id != PJSIP_ACK_METHOD) { |
| 460 | pj_str_t reason = pj_str("Go away"); |
| 461 | pjsip_endpt_respond_stateless( app.sip_endpt, rdata, |
| 462 | 400, &reason, |
| 463 | NULL, NULL); |
| 464 | } |
| 465 | return PJ_TRUE; |
| 466 | } |
| 467 | |
| 468 | sdp_info = pjsip_rdata_get_sdp_info(rdata); |
| 469 | if (!sdp_info || !sdp_info->sdp) { |
| 470 | pj_str_t reason = pj_str("Require valid offer"); |
| 471 | pjsip_endpt_respond_stateless( app.sip_endpt, rdata, |
| 472 | 400, &reason, |
| 473 | NULL, NULL); |
| 474 | } |
| 475 | |
| 476 | for (i=0; i<MAX_CALLS; ++i) { |
| 477 | if (app.call[i].inv == NULL) { |
| 478 | call = &app.call[i]; |
| 479 | break; |
| 480 | } |
| 481 | } |
| 482 | |
| 483 | if (i==MAX_CALLS) { |
| 484 | pj_str_t reason = pj_str("We're full"); |
| 485 | pjsip_endpt_respond_stateless( app.sip_endpt, rdata, |
| 486 | PJSIP_SC_BUSY_HERE, &reason, |
| 487 | NULL, NULL); |
| 488 | return PJ_TRUE; |
| 489 | } |
| 490 | |
| 491 | /* Generate Contact URI */ |
| 492 | status = pj_gethostip(sip_af, &hostaddr); |
| 493 | if (status != PJ_SUCCESS) { |
| 494 | app_perror(THIS_FILE, "Unable to retrieve local host IP", status); |
| 495 | return PJ_TRUE; |
| 496 | } |
| 497 | pj_sockaddr_print(&hostaddr, hostip, sizeof(hostip), 2); |
| 498 | pj_ansi_sprintf(temp, "<sip:sipecho@%s:%d>", hostip, sip_port); |
| 499 | local_uri = pj_str(temp); |
| 500 | |
| 501 | status = pjsip_dlg_create_uas( pjsip_ua_instance(), rdata, |
| 502 | &local_uri, &dlg); |
| 503 | |
| 504 | if (status == PJ_SUCCESS) |
| 505 | answer = create_answer((int)(call-app.call), dlg->pool, sdp_info->sdp); |
| 506 | if (status == PJ_SUCCESS) |
| 507 | status = pjsip_inv_create_uas( dlg, rdata, answer, 0, &call->inv); |
| 508 | if (status == PJ_SUCCESS) |
| 509 | status = pjsip_inv_initial_answer(call->inv, rdata, 100, |
| 510 | NULL, NULL, &tdata); |
| 511 | if (status == PJ_SUCCESS) |
| 512 | status = pjsip_inv_send_msg(call->inv, tdata); |
| 513 | |
| 514 | if (status == PJ_SUCCESS) |
| 515 | status = pjsip_inv_answer(call->inv, 180, NULL, |
| 516 | NULL, &tdata); |
| 517 | if (status == PJ_SUCCESS) |
| 518 | status = pjsip_inv_send_msg(call->inv, tdata); |
| 519 | |
| 520 | if (status == PJ_SUCCESS) |
| 521 | status = pjsip_inv_answer(call->inv, 200, NULL, |
| 522 | NULL, &tdata); |
| 523 | if (status == PJ_SUCCESS) |
| 524 | status = pjsip_inv_send_msg(call->inv, tdata); |
| 525 | |
| 526 | if (status != PJ_SUCCESS) { |
| 527 | pjsip_endpt_respond_stateless( app.sip_endpt, rdata, |
| 528 | 500, NULL, NULL, NULL); |
| 529 | destroy_call(call); |
| 530 | } else { |
| 531 | call->inv->mod_data[mod_sipecho.id] = call; |
| 532 | } |
| 533 | |
| 534 | return PJ_TRUE; |
| 535 | } |
| 536 | |
| 537 | static void call_on_media_update( pjsip_inv_session *inv, |
| 538 | pj_status_t status) |
| 539 | { |
| 540 | PJ_UNUSED_ARG(inv); |
| 541 | PJ_UNUSED_ARG(status); |
| 542 | } |
| 543 | |
| 544 | |
| 545 | static void usage() |
| 546 | { |
| 547 | printf("\nUsage: sipecho OPTIONS\n"); |
| 548 | printf("\n"); |
| 549 | printf("where OPTIONS:\n"); |
| 550 | printf(" --local-port, -p PORT Bind to port PORT.\n"); |
| 551 | printf(" --tcp, -t Listen to TCP instead.\n"); |
| 552 | printf(" --ipv6, -6 Use IPv6 instead.\n"); |
| 553 | printf(" --help, -h Show this help page.\n"); |
| 554 | } |
| 555 | |
| 556 | /* main() |
| 557 | * |
| 558 | * If called with argument, treat argument as SIP URL to be called. |
| 559 | * Otherwise wait for incoming calls. |
| 560 | */ |
| 561 | int main(int argc, char *argv[]) |
| 562 | { |
| 563 | struct pj_getopt_option long_options[] = { |
| 564 | { "local-port", 1, 0, 'p' }, |
| 565 | { "tcp", 0, 0, 't' }, |
| 566 | { "ipv6", 0, 0, '6' }, |
| 567 | { "help", 0, 0, 'h' } |
| 568 | }; |
| 569 | int c, option_index; |
| 570 | |
| 571 | pj_log_set_level(5); |
| 572 | |
| 573 | pj_init(); |
| 574 | |
| 575 | sip_af = pj_AF_INET(); |
| 576 | |
| 577 | pj_optind = 0; |
| 578 | while ((c = pj_getopt_long(argc, argv, "p:t6h", long_options, |
| 579 | &option_index)) != -1) |
| 580 | { |
| 581 | switch (c) { |
| 582 | case 'p': |
| 583 | sip_port = atoi(pj_optarg); |
| 584 | break; |
| 585 | case 't': |
| 586 | sip_tcp = PJ_TRUE; |
| 587 | break; |
| 588 | case 'h': |
| 589 | usage(); |
| 590 | return 0; |
| 591 | case '6': |
| 592 | sip_af = pj_AF_INET6(); |
| 593 | break; |
| 594 | default: |
| 595 | PJ_LOG(1,(THIS_FILE, |
| 596 | "Argument \"%s\" is not valid. Use --help to see help", |
| 597 | argv[pj_optind-1])); |
| 598 | return -1; |
| 599 | } |
| 600 | } |
| 601 | |
| 602 | if (init_stack()) |
| 603 | goto on_error; |
| 604 | |
| 605 | /* If URL is specified, then make call immediately. */ |
| 606 | if (pj_optind != argc) { |
| 607 | pj_sockaddr hostaddr; |
| 608 | char hostip[PJ_INET6_ADDRSTRLEN+2]; |
| 609 | char temp[80]; |
| 610 | call_t *call; |
| 611 | pj_str_t dst_uri = pj_str(argv[pj_optind]); |
| 612 | pj_str_t local_uri; |
| 613 | pjsip_dialog *dlg; |
| 614 | pj_status_t status; |
| 615 | pjsip_tx_data *tdata; |
| 616 | |
| 617 | if (pj_gethostip(sip_af, &hostaddr) != PJ_SUCCESS) { |
| 618 | PJ_LOG(1,(THIS_FILE, "Unable to retrieve local host IP")); |
| 619 | goto on_error; |
| 620 | } |
| 621 | pj_sockaddr_print(&hostaddr, hostip, sizeof(hostip), 2); |
| 622 | |
| 623 | pj_ansi_sprintf(temp, "<sip:sipecho@%s:%d>", |
| 624 | hostip, sip_port); |
| 625 | local_uri = pj_str(temp); |
| 626 | |
| 627 | call = &app.call[0]; |
| 628 | |
| 629 | status = pjsip_dlg_create_uac( pjsip_ua_instance(), |
| 630 | &local_uri, /* local URI */ |
| 631 | &local_uri, /* local Contact */ |
| 632 | &dst_uri, /* remote URI */ |
| 633 | &dst_uri, /* remote target */ |
| 634 | &dlg); /* dialog */ |
| 635 | if (status != PJ_SUCCESS) { |
| 636 | app_perror(THIS_FILE, "Unable to create UAC dialog", status); |
| 637 | return 1; |
| 638 | } |
| 639 | |
| 640 | status = pjsip_inv_create_uac( dlg, NULL, 0, &call->inv); |
| 641 | if (status != PJ_SUCCESS) goto on_error; |
| 642 | |
| 643 | call->inv->mod_data[mod_sipecho.id] = call; |
| 644 | |
| 645 | status = pjsip_inv_invite(call->inv, &tdata); |
| 646 | if (status != PJ_SUCCESS) goto on_error; |
| 647 | |
| 648 | status = pjsip_inv_send_msg(call->inv, tdata); |
| 649 | if (status != PJ_SUCCESS) goto on_error; |
| 650 | |
| 651 | puts("Press ENTER to quit..."); |
| 652 | } else { |
| 653 | puts("Ready for incoming calls. Press ENTER to quit..."); |
| 654 | } |
| 655 | |
| 656 | for (;;) { |
| 657 | char s[10]; |
| 658 | |
| 659 | printf("\nMenu:\n" |
| 660 | " h Hangup all calls\n" |
| 661 | " l %s message logging\n" |
| 662 | " q Quit\n", |
| 663 | (app.enable_msg_logging? "Disable" : "Enable")); |
| 664 | |
| 665 | if (fgets(s, sizeof(s), stdin) == NULL) |
| 666 | continue; |
| 667 | |
| 668 | if (s[0]=='q') |
| 669 | break; |
| 670 | switch (s[0]) { |
| 671 | case 'l': |
| 672 | app.enable_msg_logging = !app.enable_msg_logging; |
| 673 | break; |
| 674 | case 'h': |
| 675 | hangup_all(); |
| 676 | break; |
| 677 | } |
| 678 | } |
| 679 | |
| 680 | destroy_stack(); |
| 681 | |
| 682 | puts("Bye bye.."); |
| 683 | return 0; |
| 684 | |
| 685 | on_error: |
| 686 | puts("An error has occurred. run a debugger.."); |
| 687 | return 1; |
| 688 | } |
| 689 | |