Gtalk Channel Driver, until google/libjingle works with jingle spec. More...
#include "asterisk.h"
#include <sys/socket.h>
#include <fcntl.h>
#include <netdb.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/signal.h>
#include <iksemel.h>
#include <pthread.h>
#include <ctype.h>
#include "asterisk/lock.h"
#include "asterisk/channel.h"
#include "asterisk/config.h"
#include "asterisk/module.h"
#include "asterisk/pbx.h"
#include "asterisk/sched.h"
#include "asterisk/io.h"
#include "asterisk/rtp_engine.h"
#include "asterisk/stun.h"
#include "asterisk/acl.h"
#include "asterisk/callerid.h"
#include "asterisk/file.h"
#include "asterisk/cli.h"
#include "asterisk/app.h"
#include "asterisk/musiconhold.h"
#include "asterisk/manager.h"
#include "asterisk/stringfields.h"
#include "asterisk/utils.h"
#include "asterisk/causes.h"
#include "asterisk/astobj.h"
#include "asterisk/abstract_jb.h"
#include "asterisk/jabber.h"
#include "asterisk/jingle.h"
Go to the source code of this file.
Data Structures | |
struct | gtalk |
struct | gtalk_candidate |
struct | gtalk_container |
struct | gtalk_pvt |
Defines | |
#define | FORMAT "%-30.30s %-30.30s %-15.15s %-5.5s %-5.5s \n" |
#define | GOOGLE_CONFIG "gtalk.conf" |
Enumerations | |
enum | gtalk_connect_type { AJI_CONNECT_STUN = 1, AJI_CONNECT_LOCAL = 2, AJI_CONNECT_RELAY = 3 } |
enum | gtalk_protocol { AJI_PROTOCOL_UDP = 1, AJI_PROTOCOL_SSLTCP = 2 } |
Functions | |
static int | add_codec_to_answer (const struct gtalk_pvt *p, int codec, iks *dcodecs) |
AST_MODULE_INFO (ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER,"Gtalk Channel Driver",.load=load_module,.unload=unload_module,.load_pri=AST_MODPRI_CHANNEL_DRIVER,) | |
AST_MUTEX_DEFINE_STATIC (gtalklock) | |
static struct gtalk * | find_gtalk (char *name, char *connection) |
static int | gtalk_action (struct gtalk *client, struct gtalk_pvt *p, const char *action) |
static int | gtalk_add_candidate (struct gtalk *client, ikspak *pak) |
static struct gtalk_pvt * | gtalk_alloc (struct gtalk *client, const char *us, const char *them, const char *sid) |
static int | gtalk_answer (struct ast_channel *ast) |
static int | gtalk_call (struct ast_channel *ast, char *dest, int timeout) |
Initiate new call, part of PBX interface dest is the dial string. | |
static int | gtalk_create_candidates (struct gtalk *client, struct gtalk_pvt *p, char *sid, char *from, char *to) |
static int | gtalk_create_member (char *label, struct ast_variable *var, int allowguest, struct ast_codec_pref prefs, char *context, struct gtalk *member) |
static int | gtalk_digit_begin (struct ast_channel *ast, char digit) |
static int | gtalk_digit_end (struct ast_channel *ast, char digit, unsigned int duration) |
static int | gtalk_fixup (struct ast_channel *oldchan, struct ast_channel *newchan) |
static void | gtalk_free_candidates (struct gtalk_candidate *candidate) |
static void | gtalk_free_pvt (struct gtalk *client, struct gtalk_pvt *p) |
static format_t | gtalk_get_codec (struct ast_channel *chan) |
static int | gtalk_get_local_ip (struct ast_sockaddr *ourip) |
static enum ast_rtp_glue_result | gtalk_get_rtp_peer (struct ast_channel *chan, struct ast_rtp_instance **instance) |
static int | gtalk_handle_dtmf (struct gtalk *client, ikspak *pak) |
static int | gtalk_hangup (struct ast_channel *ast) |
Hangup a call through the gtalk proxy channel. | |
static int | gtalk_hangup_farend (struct gtalk *client, ikspak *pak) |
static int | gtalk_indicate (struct ast_channel *ast, int condition, const void *data, size_t datalen) |
static int | gtalk_invite (struct gtalk_pvt *p, char *to, char *from, char *sid, int initiator) |
static int | gtalk_is_accepted (struct gtalk *client, ikspak *pak) |
static int | gtalk_is_answered (struct gtalk *client, ikspak *pak) |
static int | gtalk_load_config (void) |
static void | gtalk_member_destroy (struct gtalk *obj) |
static struct ast_channel * | gtalk_new (struct gtalk *client, struct gtalk_pvt *i, int state, const char *title, const char *linkedid) |
Start new gtalk channel. | |
static int | gtalk_newcall (struct gtalk *client, ikspak *pak) |
static int | gtalk_parser (void *data, ikspak *pak) |
CLI command "gtalk reload". | |
static struct ast_frame * | gtalk_read (struct ast_channel *ast) |
static struct ast_channel * | gtalk_request (const char *type, format_t format, const struct ast_channel *requestor, void *data, int *cause) |
Part of PBX interface. | |
static int | gtalk_response (struct gtalk *client, char *from, ikspak *pak, const char *reasonstr, const char *reasonstr2) |
static int | gtalk_ringing_ack (void *data, ikspak *pak) |
static struct ast_frame * | gtalk_rtp_read (struct ast_channel *ast, struct gtalk_pvt *p) |
static int | gtalk_sendhtml (struct ast_channel *ast, int subclass, const char *data, int datalen) |
static int | gtalk_sendtext (struct ast_channel *ast, const char *text) |
static int | gtalk_set_rtp_peer (struct ast_channel *chan, struct ast_rtp_instance *rtp, struct ast_rtp_instance *vrtp, struct ast_rtp_instance *trtp, format_t codecs, int nat_active) |
static char * | gtalk_show_channels (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
CLI command "gtalk show channels". | |
static int | gtalk_update_externip (void) |
static int | gtalk_update_stun (struct gtalk *client, struct gtalk_pvt *p) |
static int | gtalk_write (struct ast_channel *ast, struct ast_frame *frame) |
Send frame to media channel (rtp). | |
static int | load_module (void) |
Load module into PBX, register channel. | |
static int | unload_module (void) |
Reload module. | |
Variables | |
static struct in_addr | __ourip |
static struct sockaddr_in | bindaddr = { 0, } |
static struct ast_jb_conf | default_jbconf |
static const char | desc [] = "Gtalk Channel" |
static char | externip [16] |
static format_t | global_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW | AST_FORMAT_GSM | AST_FORMAT_H263 |
static struct ast_jb_conf | global_jbconf |
static struct ast_cli_entry | gtalk_cli [] |
static struct gtalk_container | gtalk_list |
static struct ast_rtp_glue | gtalk_rtp_glue |
static struct ast_channel_tech | gtalk_tech |
PBX interface structure for channel registration. | |
static struct io_context * | io |
static struct sched_context * | sched |
static struct sockaddr_in | stunaddr |
Gtalk Channel Driver, until google/libjingle works with jingle spec.
********** General TODO:s
Support config reloading.
Fix native bridging.
Definition in file chan_gtalk.c.
#define FORMAT "%-30.30s %-30.30s %-15.15s %-5.5s %-5.5s \n" |
#define GOOGLE_CONFIG "gtalk.conf" |
Definition at line 80 of file chan_gtalk.c.
Referenced by gtalk_load_config(), and load_module().
enum gtalk_connect_type |
Definition at line 98 of file chan_gtalk.c.
00098 { 00099 AJI_CONNECT_STUN = 1, 00100 AJI_CONNECT_LOCAL = 2, 00101 AJI_CONNECT_RELAY = 3, 00102 };
enum gtalk_protocol |
Definition at line 93 of file chan_gtalk.c.
00093 { 00094 AJI_PROTOCOL_UDP = 1, 00095 AJI_PROTOCOL_SSLTCP = 2, 00096 };
static int add_codec_to_answer | ( | const struct gtalk_pvt * | p, | |
int | codec, | |||
iks * | dcodecs | |||
) | [static] |
Definition at line 278 of file chan_gtalk.c.
References ast_getformatname(), ast_log(), format, and LOG_WARNING.
Referenced by gtalk_invite().
00279 { 00280 int res = 0; 00281 char *format = ast_getformatname(codec); 00282 00283 if (!strcasecmp("ulaw", format)) { 00284 iks *payload_eg711u, *payload_pcmu; 00285 payload_pcmu = iks_new("payload-type"); 00286 payload_eg711u = iks_new("payload-type"); 00287 00288 if(!payload_eg711u || !payload_pcmu) { 00289 iks_delete(payload_pcmu); 00290 iks_delete(payload_eg711u); 00291 ast_log(LOG_WARNING,"Failed to allocate iks node\n"); 00292 return -1; 00293 } 00294 iks_insert_attrib(payload_pcmu, "id", "0"); 00295 iks_insert_attrib(payload_pcmu, "name", "PCMU"); 00296 iks_insert_attrib(payload_pcmu, "clockrate","8000"); 00297 iks_insert_attrib(payload_pcmu, "bitrate","64000"); 00298 iks_insert_attrib(payload_eg711u, "id", "100"); 00299 iks_insert_attrib(payload_eg711u, "name", "EG711U"); 00300 iks_insert_attrib(payload_eg711u, "clockrate","8000"); 00301 iks_insert_attrib(payload_eg711u, "bitrate","64000"); 00302 iks_insert_node(dcodecs, payload_pcmu); 00303 iks_insert_node(dcodecs, payload_eg711u); 00304 res ++; 00305 } 00306 if (!strcasecmp("alaw", format)) { 00307 iks *payload_eg711a, *payload_pcma; 00308 payload_pcma = iks_new("payload-type"); 00309 payload_eg711a = iks_new("payload-type"); 00310 if(!payload_eg711a || !payload_pcma) { 00311 iks_delete(payload_eg711a); 00312 iks_delete(payload_pcma); 00313 ast_log(LOG_WARNING,"Failed to allocate iks node\n"); 00314 return -1; 00315 } 00316 iks_insert_attrib(payload_pcma, "id", "8"); 00317 iks_insert_attrib(payload_pcma, "name", "PCMA"); 00318 iks_insert_attrib(payload_pcma, "clockrate","8000"); 00319 iks_insert_attrib(payload_pcma, "bitrate","64000"); 00320 payload_eg711a = iks_new("payload-type"); 00321 iks_insert_attrib(payload_eg711a, "id", "101"); 00322 iks_insert_attrib(payload_eg711a, "name", "EG711A"); 00323 iks_insert_attrib(payload_eg711a, "clockrate","8000"); 00324 iks_insert_attrib(payload_eg711a, "bitrate","64000"); 00325 iks_insert_node(dcodecs, payload_pcma); 00326 iks_insert_node(dcodecs, payload_eg711a); 00327 res ++; 00328 } 00329 if (!strcasecmp("ilbc", format)) { 00330 iks *payload_ilbc = iks_new("payload-type"); 00331 if(!payload_ilbc) { 00332 ast_log(LOG_WARNING,"Failed to allocate iks node\n"); 00333 return -1; 00334 } 00335 iks_insert_attrib(payload_ilbc, "id", "97"); 00336 iks_insert_attrib(payload_ilbc, "name", "iLBC"); 00337 iks_insert_attrib(payload_ilbc, "clockrate","8000"); 00338 iks_insert_attrib(payload_ilbc, "bitrate","13300"); 00339 iks_insert_node(dcodecs, payload_ilbc); 00340 res ++; 00341 } 00342 if (!strcasecmp("g723", format)) { 00343 iks *payload_g723 = iks_new("payload-type"); 00344 if(!payload_g723) { 00345 ast_log(LOG_WARNING,"Failed to allocate iks node\n"); 00346 return -1; 00347 } 00348 iks_insert_attrib(payload_g723, "id", "4"); 00349 iks_insert_attrib(payload_g723, "name", "G723"); 00350 iks_insert_attrib(payload_g723, "clockrate","8000"); 00351 iks_insert_attrib(payload_g723, "bitrate","6300"); 00352 iks_insert_node(dcodecs, payload_g723); 00353 res ++; 00354 } 00355 if (!strcasecmp("speex", format)) { 00356 iks *payload_speex = iks_new("payload-type"); 00357 if(!payload_speex) { 00358 ast_log(LOG_WARNING,"Failed to allocate iks node\n"); 00359 return -1; 00360 } 00361 iks_insert_attrib(payload_speex, "id", "110"); 00362 iks_insert_attrib(payload_speex, "name", "speex"); 00363 iks_insert_attrib(payload_speex, "clockrate","8000"); 00364 iks_insert_attrib(payload_speex, "bitrate","11000"); 00365 iks_insert_node(dcodecs, payload_speex); 00366 res++; 00367 } 00368 if (!strcasecmp("gsm", format)) { 00369 iks *payload_gsm = iks_new("payload-type"); 00370 if(!payload_gsm) { 00371 ast_log(LOG_WARNING,"Failed to allocate iks node\n"); 00372 return -1; 00373 } 00374 iks_insert_attrib(payload_gsm, "id", "103"); 00375 iks_insert_attrib(payload_gsm, "name", "gsm"); 00376 iks_insert_node(dcodecs, payload_gsm); 00377 res++; 00378 } 00379 00380 return res; 00381 }
AST_MODULE_INFO | ( | ASTERISK_GPL_KEY | , | |
AST_MODFLAG_LOAD_ORDER | , | |||
"Gtalk Channel Driver" | , | |||
. | load = load_module , |
|||
. | unload = unload_module , |
|||
. | load_pri = AST_MODPRI_CHANNEL_DRIVER | |||
) |
AST_MUTEX_DEFINE_STATIC | ( | gtalklock | ) |
Protect the interface list (of gtalk_pvt's)
static struct gtalk* find_gtalk | ( | char * | name, | |
char * | connection | |||
) | [static, read] |
Definition at line 246 of file chan_gtalk.c.
References ast_strdupa, ast_verbose, ASTOBJ_CONTAINER_FIND, ASTOBJ_CONTAINER_FIND_FULL, ASTOBJ_CONTAINER_TRAVERSE, ASTOBJ_RDLOCK, ASTOBJ_UNLOCK, and gtalk_list.
Referenced by gtalk_request().
00247 { 00248 struct gtalk *gtalk = NULL; 00249 char *domain = NULL , *s = NULL; 00250 00251 if (strchr(connection, '@')) { 00252 s = ast_strdupa(connection); 00253 domain = strsep(&s, "@"); 00254 ast_verbose("OOOOH domain = %s\n", domain); 00255 } 00256 gtalk = ASTOBJ_CONTAINER_FIND(>alk_list, name); 00257 if (!gtalk && strchr(name, '@')) 00258 gtalk = ASTOBJ_CONTAINER_FIND_FULL(>alk_list, name, user,,, strcasecmp); 00259 00260 if (!gtalk) { 00261 /* guest call */ 00262 ASTOBJ_CONTAINER_TRAVERSE(>alk_list, 1, { 00263 ASTOBJ_RDLOCK(iterator); 00264 if (!strcasecmp(iterator->name, "guest")) { 00265 gtalk = iterator; 00266 } 00267 ASTOBJ_UNLOCK(iterator); 00268 00269 if (gtalk) 00270 break; 00271 }); 00272 00273 } 00274 return gtalk; 00275 }
static int gtalk_action | ( | struct gtalk * | client, | |
struct gtalk_pvt * | p, | |||
const char * | action | |||
) | [static] |
Definition at line 1171 of file chan_gtalk.c.
References ast_aji_increment_mid(), ast_aji_send(), ast_strdupa, gtalk::connection, GOOGLE_NS, gtalk_pvt::initiator, aji_client::mid, gtalk_pvt::sid, gtalk_pvt::them, and gtalk_pvt::us.
Referenced by gtalk_hangup(), and gtalk_newcall().
01172 { 01173 iks *request, *session = NULL; 01174 int res = -1; 01175 char *lowerthem = NULL; 01176 01177 request = iks_new("iq"); 01178 if (request) { 01179 iks_insert_attrib(request, "type", "set"); 01180 iks_insert_attrib(request, "from", p->us); 01181 iks_insert_attrib(request, "to", p->them); 01182 iks_insert_attrib(request, "id", client->connection->mid); 01183 ast_aji_increment_mid(client->connection->mid); 01184 session = iks_new("session"); 01185 if (session) { 01186 iks_insert_attrib(session, "type", action); 01187 iks_insert_attrib(session, "id", p->sid); 01188 /* put the initiator attribute to lower case if we receive the call 01189 * otherwise GoogleTalk won't establish the session */ 01190 if (!p->initiator) { 01191 char c; 01192 char *t = lowerthem = ast_strdupa(p->them); 01193 while (((c = *t) != '/') && (*t++ = tolower(c))); 01194 } 01195 iks_insert_attrib(session, "initiator", p->initiator ? p->us : lowerthem); 01196 iks_insert_attrib(session, "xmlns", GOOGLE_NS); 01197 iks_insert_node(request, session); 01198 ast_aji_send(client->connection, request); 01199 res = 0; 01200 } 01201 } 01202 01203 iks_delete(session); 01204 iks_delete(request); 01205 01206 return res; 01207 }
static int gtalk_add_candidate | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 1476 of file chan_gtalk.c.
References AJI_CONNECT_LOCAL, AJI_CONNECT_RELAY, AJI_CONNECT_STUN, AJI_PROTOCOL_SSLTCP, AJI_PROTOCOL_UDP, ast_aji_send(), ast_calloc, ast_copy_string(), gtalk::connection, gtalk_candidate::generation, gtalk_update_stun(), gtalk_candidate::ip, aji_client::jid, gtalk_pvt::laststun, gtalk_candidate::name, gtalk_candidate::network, gtalk_candidate::next, gtalk_pvt::next, gtalk::p, gtalk_pvt::parent, gtalk_candidate::password, gtalk_candidate::port, gtalk_candidate::preference, gtalk_candidate::protocol, gtalk_candidate::receipt, S_OR, gtalk_pvt::theircandidates, gtalk_candidate::type, and gtalk_candidate::username.
Referenced by gtalk_parser().
01477 { 01478 struct gtalk_pvt *p = NULL, *tmp = NULL; 01479 struct aji_client *c = client->connection; 01480 struct gtalk_candidate *newcandidate = NULL; 01481 iks *traversenodes = NULL, *receipt = NULL; 01482 char *from; 01483 01484 from = iks_find_attrib(pak->x,"to"); 01485 if (!from) { 01486 from = c->jid->full; 01487 } 01488 01489 for (tmp = client->p; tmp; tmp = tmp->next) { 01490 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid) || 01491 (iks_find_attrib(pak->query, "id") && !strcmp(iks_find_attrib(pak->query, "id"), tmp->sid))) { 01492 p = tmp; 01493 break; 01494 } 01495 } 01496 01497 if (!p) { 01498 return -1; 01499 } 01500 traversenodes = pak->query; 01501 while(traversenodes) { 01502 if(!strcasecmp(S_OR(iks_name(traversenodes), ""), "session")) { 01503 traversenodes = iks_first_tag(traversenodes); 01504 continue; 01505 } 01506 if(!strcasecmp(S_OR(iks_name(traversenodes), ""), "ses:session")) { 01507 traversenodes = iks_child(traversenodes); 01508 continue; 01509 } 01510 if(!strcasecmp(S_OR(iks_name(traversenodes), ""), "candidate") || !strcasecmp(S_OR(iks_name(traversenodes), ""), "ses:candidate")) { 01511 newcandidate = ast_calloc(1, sizeof(*newcandidate)); 01512 if (!newcandidate) 01513 return 0; 01514 ast_copy_string(newcandidate->name, 01515 S_OR(iks_find_attrib(traversenodes, "name"), ""), 01516 sizeof(newcandidate->name)); 01517 ast_copy_string(newcandidate->ip, 01518 S_OR(iks_find_attrib(traversenodes, "address"), ""), 01519 sizeof(newcandidate->ip)); 01520 newcandidate->port = atoi(iks_find_attrib(traversenodes, "port")); 01521 ast_copy_string(newcandidate->username, 01522 S_OR(iks_find_attrib(traversenodes, "username"), ""), 01523 sizeof(newcandidate->username)); 01524 ast_copy_string(newcandidate->password, 01525 S_OR(iks_find_attrib(traversenodes, "password"), ""), 01526 sizeof(newcandidate->password)); 01527 newcandidate->preference = atof(iks_find_attrib(traversenodes, "preference")); 01528 if (!strcasecmp(S_OR(iks_find_attrib(traversenodes, "protocol"), ""), "udp")) 01529 newcandidate->protocol = AJI_PROTOCOL_UDP; 01530 if (!strcasecmp(S_OR(iks_find_attrib(traversenodes, "protocol"), ""), "ssltcp")) 01531 newcandidate->protocol = AJI_PROTOCOL_SSLTCP; 01532 01533 if (!strcasecmp(S_OR(iks_find_attrib(traversenodes, "type"), ""), "stun")) 01534 newcandidate->type = AJI_CONNECT_STUN; 01535 if (!strcasecmp(S_OR(iks_find_attrib(traversenodes, "type"), ""), "local")) 01536 newcandidate->type = AJI_CONNECT_LOCAL; 01537 if (!strcasecmp(S_OR(iks_find_attrib(traversenodes, "type"), ""), "relay")) 01538 newcandidate->type = AJI_CONNECT_RELAY; 01539 ast_copy_string(newcandidate->network, 01540 S_OR(iks_find_attrib(traversenodes, "network"), ""), 01541 sizeof(newcandidate->network)); 01542 newcandidate->generation = atoi(S_OR(iks_find_attrib(traversenodes, "generation"), "0")); 01543 newcandidate->next = NULL; 01544 01545 newcandidate->next = p->theircandidates; 01546 p->theircandidates = newcandidate; 01547 p->laststun = 0; 01548 gtalk_update_stun(p->parent, p); 01549 newcandidate = NULL; 01550 } 01551 traversenodes = iks_next_tag(traversenodes); 01552 } 01553 01554 receipt = iks_new("iq"); 01555 iks_insert_attrib(receipt, "type", "result"); 01556 iks_insert_attrib(receipt, "from", from); 01557 iks_insert_attrib(receipt, "to", S_OR(iks_find_attrib(pak->x, "from"), "")); 01558 iks_insert_attrib(receipt, "id", S_OR(iks_find_attrib(pak->x, "id"), "")); 01559 ast_aji_send(c, receipt); 01560 01561 iks_delete(receipt); 01562 01563 return 1; 01564 }
static struct gtalk_pvt * gtalk_alloc | ( | struct gtalk * | client, | |
const char * | us, | |||
const char * | them, | |||
const char * | sid | |||
) | [static, read] |
Definition at line 977 of file chan_gtalk.c.
References ast_aji_buddy_destroy(), ast_calloc, ast_copy_string(), ast_debug, ast_free, ast_log(), ast_mutex_init, ast_mutex_lock, ast_mutex_unlock, ast_random(), ast_rtp_codecs_payloads_clear(), AST_RTP_DTMF_MODE_RFC2833, ast_rtp_instance_dtmf_mode_set(), ast_rtp_instance_get_codecs(), ast_rtp_instance_new(), ast_rtp_instance_set_prop(), AST_RTP_PROPERTY_DTMF, AST_RTP_PROPERTY_RTCP, AST_RTP_PROPERTY_STUN, ast_sockaddr_from_sin, ast_strdupa, ASTOBJ_CONTAINER_FIND, ASTOBJ_UNREF, aji_client::buddies, gtalk::buddy, aji_resource::cap, gtalk_pvt::capability, gtalk::capability, gtalk_pvt::cid_name, gtalk::connection, gtalk_pvt::exten, exten, gtalk_pvt::initiator, aji_version::jingle, gtalk_pvt::lock, LOG_ERROR, LOG_WARNING, gtalk_pvt::next, aji_resource::next, gtalk::p, gtalk_pvt::parent, gtalk::prefs, gtalk_pvt::prefs, aji_resource::resource, aji_buddy::resources, gtalk_pvt::rtp, gtalk_pvt::sid, gtalk_pvt::them, and gtalk_pvt::us.
Referenced by gtalk_newcall(), and gtalk_request().
00978 { 00979 struct gtalk_pvt *tmp = NULL; 00980 struct aji_resource *resources = NULL; 00981 struct aji_buddy *buddy = NULL; 00982 char idroster[200] = ""; 00983 char *data, *exten = NULL; 00984 struct ast_sockaddr bindaddr_tmp; 00985 00986 ast_debug(1, "The client is %s for alloc\n", client->name); 00987 if (!sid && !strchr(them, '/')) { /* I started call! */ 00988 if (!strcasecmp(client->name, "guest")) { 00989 buddy = ASTOBJ_CONTAINER_FIND(&client->connection->buddies, them); 00990 if (buddy) { 00991 resources = buddy->resources; 00992 } 00993 } else if (client->buddy) { 00994 resources = client->buddy->resources; 00995 } 00996 00997 while (resources) { 00998 if (resources->cap->jingle) { 00999 break; 01000 } 01001 resources = resources->next; 01002 } 01003 if (resources) { 01004 snprintf(idroster, sizeof(idroster), "%s/%s", them, resources->resource); 01005 } else if ((*them == '+') || (strstr(them, "@voice.google.com"))) { 01006 snprintf(idroster, sizeof(idroster), "%s", them); 01007 } else { 01008 ast_log(LOG_ERROR, "no gtalk capable clients to talk to.\n"); 01009 if (buddy) { 01010 ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy); 01011 } 01012 return NULL; 01013 } 01014 if (buddy) { 01015 ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy); 01016 } 01017 } 01018 if (!(tmp = ast_calloc(1, sizeof(*tmp)))) { 01019 return NULL; 01020 } 01021 01022 memcpy(&tmp->prefs, &client->prefs, sizeof(struct ast_codec_pref)); 01023 01024 if (sid) { 01025 ast_copy_string(tmp->sid, sid, sizeof(tmp->sid)); 01026 ast_copy_string(tmp->them, them, sizeof(tmp->them)); 01027 ast_copy_string(tmp->us, us, sizeof(tmp->us)); 01028 } else { 01029 snprintf(tmp->sid, sizeof(tmp->sid), "%08lx%08lx", ast_random(), ast_random()); 01030 ast_copy_string(tmp->them, idroster, sizeof(tmp->them)); 01031 ast_copy_string(tmp->us, us, sizeof(tmp->us)); 01032 tmp->initiator = 1; 01033 } 01034 /* clear codecs */ 01035 bindaddr.sin_family = AF_INET; 01036 ast_sockaddr_from_sin(&bindaddr_tmp, &bindaddr); 01037 if (!(tmp->rtp = ast_rtp_instance_new("asterisk", sched, &bindaddr_tmp, NULL))) { 01038 ast_log(LOG_ERROR, "Failed to create a new RTP instance (possibly an invalid bindaddr?)\n"); 01039 ast_free(tmp); 01040 return NULL; 01041 } 01042 ast_rtp_instance_set_prop(tmp->rtp, AST_RTP_PROPERTY_RTCP, 1); 01043 ast_rtp_instance_set_prop(tmp->rtp, AST_RTP_PROPERTY_STUN, 1); 01044 ast_rtp_instance_set_prop(tmp->rtp, AST_RTP_PROPERTY_DTMF, 1); 01045 ast_rtp_instance_dtmf_mode_set(tmp->rtp, AST_RTP_DTMF_MODE_RFC2833); 01046 ast_rtp_codecs_payloads_clear(ast_rtp_instance_get_codecs(tmp->rtp), tmp->rtp); 01047 01048 /* add user configured codec capabilites */ 01049 if (client->capability) { 01050 tmp->capability = client->capability; 01051 } else if (global_capability) { 01052 tmp->capability = global_capability; 01053 } 01054 01055 tmp->parent = client; 01056 if (!tmp->rtp) { 01057 ast_log(LOG_WARNING, "Out of RTP sessions?\n"); 01058 ast_free(tmp); 01059 return NULL; 01060 } 01061 01062 /* Set CALLERID(name) to the full JID of the remote peer */ 01063 ast_copy_string(tmp->cid_name, tmp->them, sizeof(tmp->cid_name)); 01064 01065 if(strchr(tmp->us, '/')) { 01066 data = ast_strdupa(tmp->us); 01067 exten = strsep(&data, "/"); 01068 } else { 01069 exten = tmp->us; 01070 } 01071 ast_copy_string(tmp->exten, exten, sizeof(tmp->exten)); 01072 ast_mutex_init(&tmp->lock); 01073 ast_mutex_lock(>alklock); 01074 tmp->next = client->p; 01075 client->p = tmp; 01076 ast_mutex_unlock(>alklock); 01077 return tmp; 01078 }
static int gtalk_answer | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 508 of file chan_gtalk.c.
References ast_debug, ast_mutex_lock, ast_mutex_unlock, EVENT_FLAG_SYSTEM, gtalk_invite(), gtalk_pvt::lock, manager_event, gtalk_pvt::sid, ast_channel::tech_pvt, gtalk_pvt::them, and gtalk_pvt::us.
00509 { 00510 struct gtalk_pvt *p = ast->tech_pvt; 00511 int res = 0; 00512 00513 ast_debug(1, "Answer!\n"); 00514 ast_mutex_lock(&p->lock); 00515 gtalk_invite(p, p->them, p->us,p->sid, 0); 00516 manager_event(EVENT_FLAG_SYSTEM, "ChannelUpdate", "Channel: %s\r\nChanneltype: %s\r\nGtalk-SID: %s\r\n", 00517 ast->name, "GTALK", p->sid); 00518 ast_mutex_unlock(&p->lock); 00519 return res; 00520 }
static int gtalk_call | ( | struct ast_channel * | ast, | |
char * | dest, | |||
int | timeout | |||
) | [static] |
Initiate new call, part of PBX interface dest is the dial string.
Definition at line 1806 of file chan_gtalk.c.
References ast_channel::_state, ast_copy_string(), ast_log(), ast_setstate(), AST_STATE_DOWN, AST_STATE_RESERVED, AST_STATE_RING, gtalk::connection, aji_client::f, gtalk_invite(), gtalk_ringing_ack(), LOG_WARNING, aji_client::mid, gtalk_pvt::parent, gtalk_pvt::ring, gtalk_pvt::ringrule, gtalk_pvt::sid, ast_channel::tech_pvt, gtalk_pvt::them, and gtalk_pvt::us.
01807 { 01808 struct gtalk_pvt *p = ast->tech_pvt; 01809 01810 if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) { 01811 ast_log(LOG_WARNING, "gtalk_call called on %s, neither down nor reserved\n", ast->name); 01812 return -1; 01813 } 01814 01815 ast_setstate(ast, AST_STATE_RING); 01816 if (!p->ringrule) { 01817 ast_copy_string(p->ring, p->parent->connection->mid, sizeof(p->ring)); 01818 p->ringrule = iks_filter_add_rule(p->parent->connection->f, gtalk_ringing_ack, p, 01819 IKS_RULE_ID, p->ring, IKS_RULE_DONE); 01820 } else { 01821 ast_log(LOG_WARNING, "Whoa, already have a ring rule!\n"); 01822 } 01823 01824 gtalk_invite(p, p->them, p->us, p->sid, 1); 01825 01826 return 0; 01827 }
static int gtalk_create_candidates | ( | struct gtalk * | client, | |
struct gtalk_pvt * | p, | |||
char * | sid, | |||
char * | from, | |||
char * | to | |||
) | [static] |
Definition at line 840 of file chan_gtalk.c.
References AJI_CONNECT_LOCAL, AJI_CONNECT_RELAY, AJI_CONNECT_STUN, AJI_PROTOCOL_SSLTCP, AJI_PROTOCOL_UDP, ast_aji_increment_mid(), ast_aji_send(), ast_calloc, ast_copy_string(), ast_free, ast_log(), ast_random(), ast_rtp_instance_get_local_address(), ast_sockaddr_stringify_addr(), ast_sockaddr_to_sin, ast_strdupa, ast_strlen_zero(), gtalk::connection, gtalk_candidate::generation, GOOGLE_NS, GOOGLE_TRANSPORT_NS, gtalk_get_local_ip(), gtalk_update_externip(), gtalk_pvt::initiator, gtalk_candidate::ip, gtalk_pvt::laststun, LOG_ERROR, LOG_NOTICE, LOG_WARNING, aji_client::mid, gtalk_candidate::name, gtalk_candidate::next, gtalk_pvt::next, gtalk_pvt::ourcandidates, pass, gtalk_candidate::password, gtalk_candidate::port, gtalk_candidate::preference, gtalk_candidate::protocol, gtalk_pvt::rtp, gtalk_pvt::sid, gtalk_candidate::type, and gtalk_candidate::username.
Referenced by gtalk_newcall(), and gtalk_ringing_ack().
00841 { 00842 struct gtalk_candidate *tmp; 00843 struct aji_client *c = client->connection; 00844 struct gtalk_candidate *ours1 = NULL, *ours2 = NULL; 00845 struct sockaddr_in sin = { 0, }; 00846 struct ast_sockaddr sin_tmp; 00847 struct ast_sockaddr us; 00848 iks *iq, *gtalk, *candidate, *transport; 00849 char user[17], pass[17], preference[5], port[7]; 00850 char *lowerfrom = NULL; 00851 00852 iq = iks_new("iq"); 00853 gtalk = iks_new("session"); 00854 candidate = iks_new("candidate"); 00855 transport = iks_new("transport"); 00856 if (!iq || !gtalk || !candidate || !transport) { 00857 ast_log(LOG_ERROR, "Memory allocation error\n"); 00858 goto safeout; 00859 } 00860 ours1 = ast_calloc(1, sizeof(*ours1)); 00861 ours2 = ast_calloc(1, sizeof(*ours2)); 00862 if (!ours1 || !ours2) 00863 goto safeout; 00864 00865 iks_insert_attrib(transport, "xmlns",GOOGLE_TRANSPORT_NS); 00866 iks_insert_node(iq, gtalk); 00867 iks_insert_node(gtalk,candidate); 00868 iks_insert_node(gtalk,transport); 00869 00870 for (; p; p = p->next) { 00871 if (!strcasecmp(p->sid, sid)) 00872 break; 00873 } 00874 00875 if (!p) { 00876 ast_log(LOG_NOTICE, "No matching gtalk session - SID %s!\n", sid); 00877 goto safeout; 00878 } 00879 00880 ast_rtp_instance_get_local_address(p->rtp, &sin_tmp); 00881 ast_sockaddr_to_sin(&sin_tmp, &sin); 00882 00883 gtalk_get_local_ip(&us); 00884 00885 if (!strcmp(ast_sockaddr_stringify_addr(&us), "127.0.0.1")) { 00886 ast_log(LOG_WARNING, "Found a loopback IP on the system, check your network configuration or set the bindaddr attribute.\n"); 00887 } 00888 00889 /* Setup our gtalk candidates */ 00890 ast_copy_string(ours1->name, "rtp", sizeof(ours1->name)); 00891 ours1->port = ntohs(sin.sin_port); 00892 ours1->preference = 1; 00893 snprintf(user, sizeof(user), "%08lx%08lx", ast_random(), ast_random()); 00894 snprintf(pass, sizeof(pass), "%08lx%08lx", ast_random(), ast_random()); 00895 ast_copy_string(ours1->username, user, sizeof(ours1->username)); 00896 ast_copy_string(ours1->password, pass, sizeof(ours1->password)); 00897 ast_copy_string(ours1->ip, ast_sockaddr_stringify_addr(&us), 00898 sizeof(ours1->ip)); 00899 ours1->protocol = AJI_PROTOCOL_UDP; 00900 ours1->type = AJI_CONNECT_LOCAL; 00901 ours1->generation = 0; 00902 p->ourcandidates = ours1; 00903 00904 /* XXX this is a blocking action. We send a STUN request to the server 00905 * and wait for the response. If blocking here is a problem the STUN requests/responses 00906 * for the externip may need to be done differently. */ 00907 gtalk_update_externip(); 00908 if (!ast_strlen_zero(externip)) { 00909 ast_copy_string(ours2->username, user, sizeof(ours2->username)); 00910 ast_copy_string(ours2->password, pass, sizeof(ours2->password)); 00911 ast_copy_string(ours2->ip, externip, sizeof(ours2->ip)); 00912 ast_copy_string(ours2->name, "rtp", sizeof(ours1->name)); 00913 ours2->port = ntohs(sin.sin_port); 00914 ours2->preference = 0.9; 00915 ours2->protocol = AJI_PROTOCOL_UDP; 00916 ours2->type = AJI_CONNECT_STUN; 00917 ours2->generation = 0; 00918 ours1->next = ours2; 00919 ours2 = NULL; 00920 } 00921 ours1 = NULL; 00922 00923 for (tmp = p->ourcandidates; tmp; tmp = tmp->next) { 00924 snprintf(port, sizeof(port), "%d", tmp->port); 00925 snprintf(preference, sizeof(preference), "%.2f", tmp->preference); 00926 iks_insert_attrib(iq, "from", to); 00927 iks_insert_attrib(iq, "to", from); 00928 iks_insert_attrib(iq, "type", "set"); 00929 iks_insert_attrib(iq, "id", c->mid); 00930 ast_aji_increment_mid(c->mid); 00931 iks_insert_attrib(gtalk, "type", "candidates"); 00932 iks_insert_attrib(gtalk, "id", sid); 00933 /* put the initiator attribute to lower case if we receive the call 00934 * otherwise GoogleTalk won't establish the session */ 00935 if (!p->initiator) { 00936 char c; 00937 char *t = lowerfrom = ast_strdupa(from); 00938 while (((c = *t) != '/') && (*t++ = tolower(c))); 00939 } 00940 iks_insert_attrib(gtalk, "initiator", (p->initiator) ? to : lowerfrom); 00941 iks_insert_attrib(gtalk, "xmlns", GOOGLE_NS); 00942 iks_insert_attrib(candidate, "name", tmp->name); 00943 iks_insert_attrib(candidate, "address", tmp->ip); 00944 iks_insert_attrib(candidate, "port", port); 00945 iks_insert_attrib(candidate, "username", tmp->username); 00946 iks_insert_attrib(candidate, "password", tmp->password); 00947 iks_insert_attrib(candidate, "preference", preference); 00948 if (tmp->protocol == AJI_PROTOCOL_UDP) 00949 iks_insert_attrib(candidate, "protocol", "udp"); 00950 if (tmp->protocol == AJI_PROTOCOL_SSLTCP) 00951 iks_insert_attrib(candidate, "protocol", "ssltcp"); 00952 if (tmp->type == AJI_CONNECT_STUN) 00953 iks_insert_attrib(candidate, "type", "stun"); 00954 if (tmp->type == AJI_CONNECT_LOCAL) 00955 iks_insert_attrib(candidate, "type", "local"); 00956 if (tmp->type == AJI_CONNECT_RELAY) 00957 iks_insert_attrib(candidate, "type", "relay"); 00958 iks_insert_attrib(candidate, "network", "0"); 00959 iks_insert_attrib(candidate, "generation", "0"); 00960 ast_aji_send(c, iq); 00961 } 00962 p->laststun = 0; 00963 00964 safeout: 00965 if (ours1) 00966 ast_free(ours1); 00967 if (ours2) 00968 ast_free(ours2); 00969 iks_delete(iq); 00970 iks_delete(gtalk); 00971 iks_delete(candidate); 00972 iks_delete(transport); 00973 00974 return 1; 00975 }
static int gtalk_create_member | ( | char * | label, | |
struct ast_variable * | var, | |||
int | allowguest, | |||
struct ast_codec_pref | prefs, | |||
char * | context, | |||
struct gtalk * | member | |||
) | [static] |
Definition at line 2026 of file chan_gtalk.c.
References gtalk::allowguest, ast_aji_get_client(), ast_copy_string(), ast_log(), ast_parse_allow_disallow(), ASTOBJ_CONTAINER_FIND, aji_client::buddies, gtalk::buddy, gtalk::capability, gtalk::connection, gtalk::context, aji_client::f, GOOGLE_NS, gtalk_parser(), LOG_ERROR, LOG_WARNING, ast_variable::name, ast_variable::next, gtalk::parkinglot, gtalk::prefs, gtalk::user, and ast_variable::value.
Referenced by gtalk_load_config().
02029 { 02030 struct aji_client *client; 02031 02032 if (!member) 02033 ast_log(LOG_WARNING, "Out of memory.\n"); 02034 02035 ast_copy_string(member->name, label, sizeof(member->name)); 02036 ast_copy_string(member->user, label, sizeof(member->user)); 02037 ast_copy_string(member->context, context, sizeof(member->context)); 02038 member->allowguest = allowguest; 02039 member->prefs = prefs; 02040 while (var) { 02041 if (!strcasecmp(var->name, "username")) 02042 ast_copy_string(member->user, var->value, sizeof(member->user)); 02043 else if (!strcasecmp(var->name, "disallow")) 02044 ast_parse_allow_disallow(&member->prefs, &member->capability, var->value, 0); 02045 else if (!strcasecmp(var->name, "allow")) 02046 ast_parse_allow_disallow(&member->prefs, &member->capability, var->value, 1); 02047 else if (!strcasecmp(var->name, "context")) 02048 ast_copy_string(member->context, var->value, sizeof(member->context)); 02049 else if (!strcasecmp(var->name, "parkinglot")) 02050 ast_copy_string(member->parkinglot, var->value, sizeof(member->parkinglot)); 02051 else if (!strcasecmp(var->name, "connection")) { 02052 if ((client = ast_aji_get_client(var->value))) { 02053 member->connection = client; 02054 iks_filter_add_rule(client->f, gtalk_parser, member, 02055 IKS_RULE_TYPE, IKS_PAK_IQ, 02056 IKS_RULE_FROM_PARTIAL, member->user, 02057 IKS_RULE_NS, GOOGLE_NS, 02058 IKS_RULE_DONE); 02059 } else { 02060 ast_log(LOG_ERROR, "connection referenced not found!\n"); 02061 return 0; 02062 } 02063 } 02064 var = var->next; 02065 } 02066 if (member->connection && member->user) 02067 member->buddy = ASTOBJ_CONTAINER_FIND(&member->connection->buddies, member->user); 02068 else { 02069 ast_log(LOG_ERROR, "No Connection or Username!\n"); 02070 } 02071 return 1; 02072 }
static int gtalk_digit_begin | ( | struct ast_channel * | ast, | |
char | digit | |||
) | [static] |
Definition at line 1706 of file chan_gtalk.c.
References ast_mutex_lock, ast_mutex_unlock, ast_rtp_instance_dtmf_begin(), gtalk_pvt::lock, gtalk_pvt::rtp, and ast_channel::tech_pvt.
01707 { 01708 struct gtalk_pvt *p = chan->tech_pvt; 01709 int res = 0; 01710 01711 ast_mutex_lock(&p->lock); 01712 if (p->rtp) { 01713 ast_rtp_instance_dtmf_begin(p->rtp, digit); 01714 } else { 01715 res = -1; 01716 } 01717 ast_mutex_unlock(&p->lock); 01718 01719 return res; 01720 }
static int gtalk_digit_end | ( | struct ast_channel * | ast, | |
char | digit, | |||
unsigned int | duration | |||
) | [static] |
Definition at line 1722 of file chan_gtalk.c.
References ast_mutex_lock, ast_mutex_unlock, ast_rtp_instance_dtmf_end_with_duration(), gtalk_pvt::lock, gtalk_pvt::rtp, and ast_channel::tech_pvt.
01723 { 01724 struct gtalk_pvt *p = chan->tech_pvt; 01725 int res = 0; 01726 01727 ast_mutex_lock(&p->lock); 01728 if (p->rtp) { 01729 ast_rtp_instance_dtmf_end_with_duration(p->rtp, digit, duration); 01730 } else { 01731 res = -1; 01732 } 01733 ast_mutex_unlock(&p->lock); 01734 01735 return res; 01736 }
static int gtalk_fixup | ( | struct ast_channel * | oldchan, | |
struct ast_channel * | newchan | |||
) | [static] |
Definition at line 1653 of file chan_gtalk.c.
References ast_mutex_lock, ast_mutex_unlock, gtalk_pvt::lock, gtalk_pvt::owner, and ast_channel::tech_pvt.
01654 { 01655 struct gtalk_pvt *p = newchan->tech_pvt; 01656 ast_mutex_lock(&p->lock); 01657 01658 if ((p->owner != oldchan)) { 01659 ast_mutex_unlock(&p->lock); 01660 return -1; 01661 } 01662 if (p->owner == oldchan) 01663 p->owner = newchan; 01664 ast_mutex_unlock(&p->lock); 01665 return 0; 01666 }
static void gtalk_free_candidates | ( | struct gtalk_candidate * | candidate | ) | [static] |
Definition at line 1209 of file chan_gtalk.c.
References ast_free, last, and gtalk_candidate::next.
Referenced by gtalk_free_pvt(), and gtalk_load_config().
01210 { 01211 struct gtalk_candidate *last; 01212 while (candidate) { 01213 last = candidate; 01214 candidate = candidate->next; 01215 ast_free(last); 01216 } 01217 }
Definition at line 1219 of file chan_gtalk.c.
References ast_free, ast_log(), ast_rtp_instance_destroy(), gtalk::connection, aji_client::f, gtalk_free_candidates(), LOG_WARNING, gtalk_pvt::next, gtalk_pvt::owner, gtalk::p, gtalk_pvt::parent, gtalk_pvt::ringrule, gtalk_pvt::rtp, gtalk_pvt::theircandidates, and gtalk_pvt::vrtp.
Referenced by gtalk_hangup(), and gtalk_newcall().
01220 { 01221 struct gtalk_pvt *cur, *prev = NULL; 01222 cur = client->p; 01223 while (cur) { 01224 if (cur == p) { 01225 if (prev) 01226 prev->next = p->next; 01227 else 01228 client->p = p->next; 01229 break; 01230 } 01231 prev = cur; 01232 cur = cur->next; 01233 } 01234 if (p->ringrule) 01235 iks_filter_remove_rule(p->parent->connection->f, p->ringrule); 01236 if (p->owner) 01237 ast_log(LOG_WARNING, "Uh oh, there's an owner, this is going to be messy.\n"); 01238 if (p->rtp) 01239 ast_rtp_instance_destroy(p->rtp); 01240 if (p->vrtp) 01241 ast_rtp_instance_destroy(p->vrtp); 01242 gtalk_free_candidates(p->theircandidates); 01243 ast_free(p); 01244 }
static format_t gtalk_get_codec | ( | struct ast_channel * | chan | ) | [static] |
Definition at line 541 of file chan_gtalk.c.
References gtalk_pvt::peercapability, and ast_channel::tech_pvt.
00542 { 00543 struct gtalk_pvt *p = chan->tech_pvt; 00544 return p->peercapability; 00545 }
static int gtalk_get_local_ip | ( | struct ast_sockaddr * | ourip | ) | [static] |
Definition at line 812 of file chan_gtalk.c.
References ast_find_ourip(), ast_free, ast_ouraddrfor(), ast_sockaddr_copy(), ast_sockaddr_from_sin, ast_sockaddr_is_any(), ast_sockaddr_resolve(), and PARSE_PORT_FORBID.
Referenced by gtalk_create_candidates(), and load_module().
00813 { 00814 struct ast_sockaddr root; 00815 struct ast_sockaddr bindaddr_tmp; 00816 struct ast_sockaddr *addrs; 00817 int addrs_cnt; 00818 00819 /* If bind address is not 0.0.0.0, then bindaddr is our local ip. */ 00820 ast_sockaddr_from_sin(&bindaddr_tmp, &bindaddr); 00821 if (!ast_sockaddr_is_any(&bindaddr_tmp)) { 00822 ast_sockaddr_copy(ourip, &bindaddr_tmp); 00823 return 0; 00824 } 00825 00826 /* If no bind address was provided, lets see what ip we would use to connect to google.com and use that. 00827 * If you can't resolve google.com from your network, then this module is useless for you anyway. */ 00828 if ((addrs_cnt = ast_sockaddr_resolve(&addrs, "google.com", PARSE_PORT_FORBID, AF_INET)) > 0) { 00829 ast_sockaddr_copy(&root, &addrs[0]); 00830 ast_free(addrs); 00831 if (!ast_ouraddrfor(&root, ourip)) { 00832 return 0; 00833 } 00834 } 00835 00836 /* As a last resort, use this function to find our local address. */ 00837 return ast_find_ourip(ourip, &bindaddr_tmp, AF_INET); 00838 }
static enum ast_rtp_glue_result gtalk_get_rtp_peer | ( | struct ast_channel * | chan, | |
struct ast_rtp_instance ** | instance | |||
) | [static] |
Definition at line 522 of file chan_gtalk.c.
References ao2_ref, ast_mutex_lock, ast_mutex_unlock, AST_RTP_GLUE_RESULT_FORBID, AST_RTP_GLUE_RESULT_LOCAL, gtalk_pvt::lock, gtalk_pvt::rtp, and ast_channel::tech_pvt.
00523 { 00524 struct gtalk_pvt *p = chan->tech_pvt; 00525 enum ast_rtp_glue_result res = AST_RTP_GLUE_RESULT_FORBID; 00526 00527 if (!p) 00528 return res; 00529 00530 ast_mutex_lock(&p->lock); 00531 if (p->rtp){ 00532 ao2_ref(p->rtp, +1); 00533 *instance = p->rtp; 00534 res = AST_RTP_GLUE_RESULT_LOCAL; 00535 } 00536 ast_mutex_unlock(&p->lock); 00537 00538 return res; 00539 }
static int gtalk_handle_dtmf | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 713 of file chan_gtalk.c.
References AST_FRAME_DTMF, AST_FRAME_DTMF_BEGIN, AST_FRAME_DTMF_END, ast_log(), ast_queue_frame(), ast_verbose, gtalk::connection, gtalk_response(), ast_frame_subclass::integer, aji_client::jid, LOG_NOTICE, gtalk_pvt::next, gtalk_pvt::owner, gtalk::p, gtalk_pvt::sid, and ast_frame::subclass.
Referenced by gtalk_parser().
00714 { 00715 struct gtalk_pvt *tmp; 00716 iks *dtmfnode = NULL, *dtmfchild = NULL; 00717 char *dtmf; 00718 char *from; 00719 /* Make sure our new call doesn't exist yet */ 00720 for (tmp = client->p; tmp; tmp = tmp->next) { 00721 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid) || iks_find_with_attrib(pak->x, "gtalk", "sid", tmp->sid)) 00722 break; 00723 } 00724 from = iks_find_attrib(pak->x, "to"); 00725 if (!from) { 00726 from = client->connection->jid->full; 00727 } 00728 00729 if (tmp) { 00730 if(iks_find_with_attrib(pak->x, "dtmf-method", "method", "rtp")) { 00731 gtalk_response(client, from, pak, 00732 "feature-not-implemented xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'", 00733 "unsupported-dtmf-method xmlns='http://jabber.org/protocol/gtalk/info/dtmf#errors'"); 00734 return -1; 00735 } 00736 if ((dtmfnode = iks_find(pak->x, "dtmf"))) { 00737 if((dtmf = iks_find_attrib(dtmfnode, "code"))) { 00738 if(iks_find_with_attrib(pak->x, "dtmf", "action", "button-up")) { 00739 struct ast_frame f = {AST_FRAME_DTMF_BEGIN, }; 00740 f.subclass.integer = dtmf[0]; 00741 ast_queue_frame(tmp->owner, &f); 00742 ast_verbose("GOOGLE! DTMF-relay event received: %c\n", (int) f.subclass.integer); 00743 } else if(iks_find_with_attrib(pak->x, "dtmf", "action", "button-down")) { 00744 struct ast_frame f = {AST_FRAME_DTMF_END, }; 00745 f.subclass.integer = dtmf[0]; 00746 ast_queue_frame(tmp->owner, &f); 00747 ast_verbose("GOOGLE! DTMF-relay event received: %c\n", (int) f.subclass.integer); 00748 } else if(iks_find_attrib(pak->x, "dtmf")) { /* 250 millasecond default */ 00749 struct ast_frame f = {AST_FRAME_DTMF, }; 00750 f.subclass.integer = dtmf[0]; 00751 ast_queue_frame(tmp->owner, &f); 00752 ast_verbose("GOOGLE! DTMF-relay event received: %c\n", (int) f.subclass.integer); 00753 } 00754 } 00755 } else if ((dtmfnode = iks_find_with_attrib(pak->x, "gtalk", "action", "session-info"))) { 00756 if((dtmfchild = iks_find(dtmfnode, "dtmf"))) { 00757 if((dtmf = iks_find_attrib(dtmfchild, "code"))) { 00758 if(iks_find_with_attrib(dtmfnode, "dtmf", "action", "button-up")) { 00759 struct ast_frame f = {AST_FRAME_DTMF_END, }; 00760 f.subclass.integer = dtmf[0]; 00761 ast_queue_frame(tmp->owner, &f); 00762 ast_verbose("GOOGLE! DTMF-relay event received: %c\n", (int) f.subclass.integer); 00763 } else if(iks_find_with_attrib(dtmfnode, "dtmf", "action", "button-down")) { 00764 struct ast_frame f = {AST_FRAME_DTMF_BEGIN, }; 00765 f.subclass.integer = dtmf[0]; 00766 ast_queue_frame(tmp->owner, &f); 00767 ast_verbose("GOOGLE! DTMF-relay event received: %c\n", (int) f.subclass.integer); 00768 } 00769 } 00770 } 00771 } 00772 gtalk_response(client, from, pak, NULL, NULL); 00773 return 1; 00774 } else { 00775 ast_log(LOG_NOTICE, "Whoa, didn't find call!\n"); 00776 } 00777 00778 gtalk_response(client, from, pak, NULL, NULL); 00779 return 1; 00780 }
static int gtalk_hangup | ( | struct ast_channel * | ast | ) | [static] |
Hangup a call through the gtalk proxy channel.
Definition at line 1830 of file chan_gtalk.c.
References gtalk_pvt::alreadygone, ast_module_unref(), ast_mutex_lock, ast_mutex_unlock, gtalk_action(), gtalk_free_pvt(), gtalk_pvt::lock, gtalk_pvt::owner, gtalk_pvt::parent, and ast_channel::tech_pvt.
Referenced by gtalk_newcall().
01831 { 01832 struct gtalk_pvt *p = ast->tech_pvt; 01833 struct gtalk *client; 01834 01835 ast_mutex_lock(&p->lock); 01836 client = p->parent; 01837 p->owner = NULL; 01838 ast->tech_pvt = NULL; 01839 if (!p->alreadygone) { 01840 gtalk_action(client, p, "terminate"); 01841 } 01842 ast_mutex_unlock(&p->lock); 01843 01844 gtalk_free_pvt(client, p); 01845 ast_module_unref(ast_module_info->self); 01846 01847 return 0; 01848 }
static int gtalk_hangup_farend | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 782 of file chan_gtalk.c.
References gtalk_pvt::alreadygone, ast_debug, ast_log(), ast_queue_hangup(), gtalk::connection, gtalk_response(), aji_client::jid, LOG_NOTICE, gtalk_pvt::next, gtalk_pvt::owner, gtalk::p, and gtalk_pvt::sid.
Referenced by gtalk_parser().
00783 { 00784 struct gtalk_pvt *tmp; 00785 char *from; 00786 00787 ast_debug(1, "The client is %s\n", client->name); 00788 /* Make sure our new call doesn't exist yet */ 00789 for (tmp = client->p; tmp; tmp = tmp->next) { 00790 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid) || 00791 (iks_find_attrib(pak->query, "id") && !strcmp(iks_find_attrib(pak->query, "id"), tmp->sid))) { 00792 break; 00793 } 00794 } 00795 from = iks_find_attrib(pak->x, "to"); 00796 if (!from) { 00797 from = client->connection->jid->full; 00798 } 00799 00800 if (tmp) { 00801 tmp->alreadygone = 1; 00802 if (tmp->owner) { 00803 ast_queue_hangup(tmp->owner); 00804 } 00805 } else { 00806 ast_log(LOG_NOTICE, "Whoa, didn't find call during hangup!\n"); 00807 } 00808 gtalk_response(client, from, pak, NULL, NULL); 00809 return 1; 00810 }
static int gtalk_indicate | ( | struct ast_channel * | ast, | |
int | condition, | |||
const void * | data, | |||
size_t | datalen | |||
) | [static] |
Definition at line 1668 of file chan_gtalk.c.
References AST_CONTROL_HOLD, AST_CONTROL_UNHOLD, ast_debug, ast_moh_start(), and ast_moh_stop().
01669 { 01670 int res = 0; 01671 01672 switch (condition) { 01673 case AST_CONTROL_HOLD: 01674 ast_moh_start(ast, data, NULL); 01675 break; 01676 case AST_CONTROL_UNHOLD: 01677 ast_moh_stop(ast); 01678 break; 01679 default: 01680 ast_debug(3, "Don't know how to indicate condition '%d'\n", condition); 01681 res = -1; 01682 } 01683 01684 return res; 01685 }
static int gtalk_invite | ( | struct gtalk_pvt * | p, | |
char * | to, | |||
char * | from, | |||
char * | sid, | |||
int | initiator | |||
) | [static] |
Definition at line 383 of file chan_gtalk.c.
References add_codec_to_answer(), ast_aji_increment_mid(), ast_aji_send(), ast_codec_pref_index(), ast_log(), ast_strdupa, gtalk::capability, gtalk::connection, GOOGLE_AUDIO_NS, GOOGLE_NS, GOOGLE_TRANSPORT_NS, LOG_ERROR, aji_client::mid, gtalk_pvt::parent, and gtalk::prefs.
Referenced by gtalk_answer(), gtalk_call(), and gtalk_ringing_ack().
00384 { 00385 struct gtalk *client = p->parent; 00386 iks *iq, *gtalk, *dcodecs, *payload_telephone, *transport; 00387 int x; 00388 int pref_codec = 0; 00389 int alreadysent = 0; 00390 int codecs_num = 0; 00391 char *lowerto = NULL; 00392 00393 iq = iks_new("iq"); 00394 gtalk = iks_new("session"); 00395 dcodecs = iks_new("description"); 00396 transport = iks_new("transport"); 00397 payload_telephone = iks_new("payload-type"); 00398 if (!(iq && gtalk && dcodecs && transport && payload_telephone)){ 00399 iks_delete(iq); 00400 iks_delete(gtalk); 00401 iks_delete(dcodecs); 00402 iks_delete(transport); 00403 iks_delete(payload_telephone); 00404 00405 ast_log(LOG_ERROR, "Could not allocate iksemel nodes\n"); 00406 return 0; 00407 } 00408 iks_insert_attrib(dcodecs, "xmlns", GOOGLE_AUDIO_NS); 00409 iks_insert_attrib(dcodecs, "xml:lang", "en"); 00410 00411 for (x = 0; x < 64; x++) { 00412 if (!(pref_codec = ast_codec_pref_index(&client->prefs, x))) 00413 break; 00414 if (!(client->capability & pref_codec)) 00415 continue; 00416 if (alreadysent & pref_codec) 00417 continue; 00418 codecs_num = add_codec_to_answer(p, pref_codec, dcodecs); 00419 alreadysent |= pref_codec; 00420 } 00421 00422 if (codecs_num) { 00423 /* only propose DTMF within an audio session */ 00424 iks_insert_attrib(payload_telephone, "id", "101"); 00425 iks_insert_attrib(payload_telephone, "name", "telephone-event"); 00426 iks_insert_attrib(payload_telephone, "clockrate", "8000"); 00427 } 00428 iks_insert_attrib(transport,"xmlns",GOOGLE_TRANSPORT_NS); 00429 00430 iks_insert_attrib(iq, "type", "set"); 00431 iks_insert_attrib(iq, "to", to); 00432 iks_insert_attrib(iq, "from", from); 00433 iks_insert_attrib(iq, "id", client->connection->mid); 00434 ast_aji_increment_mid(client->connection->mid); 00435 00436 iks_insert_attrib(gtalk, "xmlns", GOOGLE_NS); 00437 iks_insert_attrib(gtalk, "type",initiator ? "initiate": "accept"); 00438 /* put the initiator attribute to lower case if we receive the call 00439 * otherwise GoogleTalk won't establish the session */ 00440 if (!initiator) { 00441 char c; 00442 char *t = lowerto = ast_strdupa(to); 00443 while (((c = *t) != '/') && (*t++ = tolower(c))); 00444 } 00445 iks_insert_attrib(gtalk, "initiator", initiator ? from : lowerto); 00446 iks_insert_attrib(gtalk, "id", sid); 00447 iks_insert_node(iq, gtalk); 00448 iks_insert_node(gtalk, dcodecs); 00449 iks_insert_node(dcodecs, payload_telephone); 00450 00451 ast_aji_send(client->connection, iq); 00452 00453 iks_delete(payload_telephone); 00454 iks_delete(transport); 00455 iks_delete(dcodecs); 00456 iks_delete(gtalk); 00457 iks_delete(iq); 00458 return 1; 00459 }
static int gtalk_is_accepted | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 684 of file chan_gtalk.c.
References ast_log(), gtalk::connection, gtalk_response(), gtalk_update_stun(), aji_client::jid, LOG_DEBUG, LOG_NOTICE, gtalk_pvt::next, gtalk::p, gtalk_pvt::parent, and gtalk_pvt::sid.
Referenced by gtalk_parser().
00685 { 00686 struct gtalk_pvt *tmp; 00687 char *from; 00688 00689 ast_log(LOG_DEBUG, "The client is %s\n", client->name); 00690 /* find corresponding call */ 00691 for (tmp = client->p; tmp; tmp = tmp->next) { 00692 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid)) { 00693 break; 00694 } 00695 } 00696 00697 from = iks_find_attrib(pak->x, "to"); 00698 if (!from) { 00699 from = client->connection->jid->full; 00700 } 00701 00702 if (tmp) { 00703 gtalk_update_stun(tmp->parent, tmp); 00704 } else { 00705 ast_log(LOG_NOTICE, "Whoa, didn't find call during accept?!\n"); 00706 } 00707 00708 /* answer 'iq' packet to let the remote peer know that we're alive */ 00709 gtalk_response(client, from, pak, NULL, NULL); 00710 return 1; 00711 }
static int gtalk_is_answered | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 606 of file chan_gtalk.c.
References AST_CONTROL_ANSWER, ast_getformatname_multiple(), ast_log(), ast_queue_control(), ast_queue_hangup(), ast_rtp_codecs_payload_formats(), ast_rtp_codecs_payloads_set_m_type(), ast_rtp_codecs_payloads_set_rtpmap_type(), ast_rtp_instance_get_codecs(), gtalk_pvt::capability, gtalk::connection, gtalk_response(), gtalk_update_stun(), aji_client::jid, gtalk_pvt::jointcapability, LOG_DEBUG, LOG_WARNING, gtalk_pvt::next, gtalk_pvt::owner, gtalk::p, gtalk_pvt::parent, gtalk_pvt::peercapability, gtalk_pvt::rtp, and gtalk_pvt::sid.
Referenced by gtalk_parser().
00607 { 00608 struct gtalk_pvt *tmp = NULL; 00609 char *from; 00610 iks *codec; 00611 char s1[BUFSIZ], s2[BUFSIZ], s3[BUFSIZ]; 00612 int peernoncodeccapability; 00613 00614 ast_log(LOG_DEBUG, "The client is %s\n", client->name); 00615 00616 /* Make sure our new call does exist */ 00617 for (tmp = client->p; tmp; tmp = tmp->next) { 00618 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid)) { 00619 break; 00620 } else if (iks_find_with_attrib(pak->x, "ses:session", "id", tmp->sid)) { 00621 break; 00622 } 00623 } 00624 00625 if (!tmp) { 00626 ast_log(LOG_WARNING, "Could not find session in iq\n"); 00627 return -1; 00628 } 00629 00630 /* codec points to the first <payload-type/> tag */ 00631 codec = iks_first_tag(iks_first_tag(iks_first_tag(pak->x))); 00632 while (codec) { 00633 char *codec_id = iks_find_attrib(codec, "id"); 00634 char *codec_name = iks_find_attrib(codec, "name"); 00635 if (!codec_id || !codec_name) { 00636 codec = iks_next_tag(codec); 00637 continue; 00638 } 00639 00640 ast_rtp_codecs_payloads_set_m_type( 00641 ast_rtp_instance_get_codecs(tmp->rtp), 00642 tmp->rtp, 00643 atoi(codec_id)); 00644 ast_rtp_codecs_payloads_set_rtpmap_type( 00645 ast_rtp_instance_get_codecs(tmp->rtp), 00646 tmp->rtp, 00647 atoi(codec_id), 00648 "audio", 00649 codec_name, 00650 0); 00651 codec = iks_next_tag(codec); 00652 } 00653 00654 /* Now gather all of the codecs that we are asked for */ 00655 ast_rtp_codecs_payload_formats(ast_rtp_instance_get_codecs(tmp->rtp), &tmp->peercapability, &peernoncodeccapability); 00656 00657 /* at this point, we received an awser from the remote Gtalk client, 00658 which allows us to compare capabilities */ 00659 tmp->jointcapability = tmp->capability & tmp->peercapability; 00660 if (!tmp->jointcapability) { 00661 ast_log(LOG_WARNING, "Capabilities don't match : us - %s, peer - %s, combined - %s \n", ast_getformatname_multiple(s1, BUFSIZ, tmp->capability), 00662 ast_getformatname_multiple(s2, BUFSIZ, tmp->peercapability), 00663 ast_getformatname_multiple(s3, BUFSIZ, tmp->jointcapability)); 00664 /* close session if capabilities don't match */ 00665 ast_queue_hangup(tmp->owner); 00666 00667 return -1; 00668 00669 } 00670 00671 from = iks_find_attrib(pak->x, "to"); 00672 if (!from) { 00673 from = client->connection->jid->full; 00674 } 00675 00676 if (tmp->owner) { 00677 ast_queue_control(tmp->owner, AST_CONTROL_ANSWER); 00678 } 00679 gtalk_update_stun(tmp->parent, tmp); 00680 gtalk_response(client, from, pak, NULL, NULL); 00681 return 1; 00682 }
static int gtalk_load_config | ( | void | ) | [static] |
Definition at line 2074 of file chan_gtalk.c.
References gtalk::allowguest, ast_aji_client_destroy(), ast_aji_get_clients(), ast_calloc, ast_category_browse(), ast_config_destroy(), ast_config_load, ast_copy_string(), ast_gethostbyname(), ast_jb_read_conf(), ast_log(), AST_MAX_CONTEXT, ast_parse_allow_disallow(), ast_parse_arg(), ast_true(), ast_variable_browse(), ast_variable_retrieve(), ASTOBJ_CONTAINER_LINK, ASTOBJ_CONTAINER_TRAVERSE, ASTOBJ_INIT, ASTOBJ_UNLOCK, ASTOBJ_UNREF, ASTOBJ_WRLOCK, gtalk::capability, clients, CONFIG_STATUS_FILEINVALID, gtalk::connection, gtalk::context, context, global_jbconf, GOOGLE_CONFIG, GOOGLE_JINGLE_NS, GOOGLE_NS, gtalk_create_member(), gtalk_free_candidates(), gtalk_list, gtalk_member_destroy(), gtalk_parser(), gtalk_update_externip(), hp, LOG_ERROR, LOG_WARNING, ast_variable::name, ast_variable::next, gtalk::parkinglot, parkinglot, PARSE_INADDR, gtalk::prefs, STANDARD_STUN_PORT, stunaddr, gtalk::user, ast_variable::value, and var.
Referenced by load_module().
02075 { 02076 char *cat = NULL; 02077 struct ast_config *cfg = NULL; 02078 char context[AST_MAX_CONTEXT] = ""; 02079 char parkinglot[AST_MAX_CONTEXT] = ""; 02080 int allowguest = 1; 02081 struct ast_variable *var; 02082 struct gtalk *member; 02083 struct ast_codec_pref prefs = { "", }; 02084 struct aji_client_container *clients; 02085 struct gtalk_candidate *global_candidates = NULL; 02086 struct hostent *hp; 02087 struct ast_hostent ahp; 02088 struct ast_flags config_flags = { 0 }; 02089 02090 cfg = ast_config_load(GOOGLE_CONFIG, config_flags); 02091 if (!cfg) { 02092 return 0; 02093 } else if (cfg == CONFIG_STATUS_FILEINVALID) { 02094 ast_log(LOG_ERROR, "Config file %s is in an invalid format. Aborting.\n", GOOGLE_CONFIG); 02095 return 0; 02096 } 02097 02098 /* Copy the default jb config over global_jbconf */ 02099 memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf)); 02100 02101 /* set defaults */ 02102 memset(&stunaddr, 0, sizeof(stunaddr)); 02103 02104 cat = ast_category_browse(cfg, NULL); 02105 for (var = ast_variable_browse(cfg, "general"); var; var = var->next) { 02106 /* handle jb conf */ 02107 if (!ast_jb_read_conf(&global_jbconf, var->name, var->value)) 02108 continue; 02109 02110 if (!strcasecmp(var->name, "allowguest")) { 02111 allowguest = (ast_true(ast_variable_retrieve(cfg, "general", "allowguest"))) ? 1 : 0; 02112 } else if (!strcasecmp(var->name, "disallow")) { 02113 ast_parse_allow_disallow(&prefs, &global_capability, var->value, 0); 02114 } else if (!strcasecmp(var->name, "allow")) { 02115 ast_parse_allow_disallow(&prefs, &global_capability, var->value, 1); 02116 } else if (!strcasecmp(var->name, "context")) { 02117 ast_copy_string(context, var->value, sizeof(context)); 02118 } else if (!strcasecmp(var->name, "externip")) { 02119 ast_copy_string(externip, var->value, sizeof(externip)); 02120 } else if (!strcasecmp(var->name, "parkinglot")) { 02121 ast_copy_string(parkinglot, var->value, sizeof(parkinglot)); 02122 } else if (!strcasecmp(var->name, "bindaddr")) { 02123 if (!(hp = ast_gethostbyname(var->value, &ahp))) { 02124 ast_log(LOG_WARNING, "Invalid address: %s\n", var->value); 02125 } else { 02126 memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr)); 02127 } 02128 } else if (!strcasecmp(var->name, "stunaddr")) { 02129 stunaddr.sin_port = htons(STANDARD_STUN_PORT); 02130 if (ast_parse_arg(var->value, PARSE_INADDR, &stunaddr)) { 02131 ast_log(LOG_WARNING, "Invalid STUN server address: %s\n", var->value); 02132 } 02133 } 02134 } 02135 while (cat) { 02136 if (strcasecmp(cat, "general")) { 02137 var = ast_variable_browse(cfg, cat); 02138 member = ast_calloc(1, sizeof(*member)); 02139 ASTOBJ_INIT(member); 02140 ASTOBJ_WRLOCK(member); 02141 if (!strcasecmp(cat, "guest")) { 02142 ast_copy_string(member->name, "guest", sizeof(member->name)); 02143 ast_copy_string(member->user, "guest", sizeof(member->user)); 02144 ast_copy_string(member->context, context, sizeof(member->context)); 02145 ast_copy_string(member->parkinglot, parkinglot, sizeof(member->parkinglot)); 02146 member->allowguest = allowguest; 02147 member->prefs = prefs; 02148 while (var) { 02149 if (!strcasecmp(var->name, "disallow")) { 02150 ast_parse_allow_disallow(&member->prefs, &member->capability, 02151 var->value, 0); 02152 } else if (!strcasecmp(var->name, "allow")) { 02153 ast_parse_allow_disallow(&member->prefs, &member->capability, 02154 var->value, 1); 02155 } else if (!strcasecmp(var->name, "context")) { 02156 ast_copy_string(member->context, var->value, 02157 sizeof(member->context)); 02158 } else if (!strcasecmp(var->name, "parkinglot")) { 02159 ast_copy_string(member->parkinglot, var->value, 02160 sizeof(member->parkinglot)); 02161 } 02162 var = var->next; 02163 } 02164 ASTOBJ_UNLOCK(member); 02165 clients = ast_aji_get_clients(); 02166 if (clients) { 02167 ASTOBJ_CONTAINER_TRAVERSE(clients, 1, { 02168 ASTOBJ_WRLOCK(iterator); 02169 ASTOBJ_WRLOCK(member); 02170 if (member->connection) { 02171 ASTOBJ_UNREF(member->connection, ast_aji_client_destroy); 02172 } 02173 member->connection = NULL; 02174 iks_filter_add_rule(iterator->f, gtalk_parser, member, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_NS, GOOGLE_NS, IKS_RULE_DONE); 02175 iks_filter_add_rule(iterator->f, gtalk_parser, member, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_NS, GOOGLE_JINGLE_NS, IKS_RULE_DONE); 02176 iks_filter_add_rule(iterator->f, gtalk_parser, member, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_NS, "http://jabber.org/protocol/gtalk", IKS_RULE_DONE); 02177 ASTOBJ_UNLOCK(member); 02178 ASTOBJ_UNLOCK(iterator); 02179 }); 02180 ASTOBJ_CONTAINER_LINK(>alk_list, member); 02181 ASTOBJ_UNREF(member, gtalk_member_destroy); 02182 } else { 02183 ASTOBJ_UNLOCK(member); 02184 ASTOBJ_UNREF(member, gtalk_member_destroy); 02185 } 02186 } else { 02187 ASTOBJ_UNLOCK(member); 02188 if (gtalk_create_member(cat, var, allowguest, prefs, context, member)) 02189 ASTOBJ_CONTAINER_LINK(>alk_list, member); 02190 ASTOBJ_UNREF(member, gtalk_member_destroy); 02191 } 02192 } 02193 cat = ast_category_browse(cfg, cat); 02194 } 02195 02196 ast_config_destroy(cfg); 02197 gtalk_update_externip(); 02198 gtalk_free_candidates(global_candidates); 02199 return 1; 02200 }
static void gtalk_member_destroy | ( | struct gtalk * | obj | ) | [static] |
Definition at line 241 of file chan_gtalk.c.
References ast_free.
Referenced by gtalk_load_config(), gtalk_parser(), gtalk_request(), and unload_module().
00242 { 00243 ast_free(obj); 00244 }
static struct ast_channel* gtalk_new | ( | struct gtalk * | client, | |
struct gtalk_pvt * | i, | |||
int | state, | |||
const char * | title, | |||
const char * | linkedid | |||
) | [static, read] |
Start new gtalk channel.
Definition at line 1081 of file chan_gtalk.c.
References accountcode, gtalk::accountcode, ast_channel::adsicpe, ast_channel::amaflags, gtalk::amaflags, AST_ADSI_UNAVAILABLE, ast_best_codec(), AST_CAUSE_SWITCH_CONGESTION, ast_channel_alloc, ast_channel_set_fd(), ast_codec_choose(), ast_copy_string(), AST_FORMAT_VIDEO_MASK, ast_hangup(), ast_jb_configure(), ast_log(), ast_module_ref(), ast_pbx_start(), ast_random(), ast_rtp_codecs_packetization_set(), ast_rtp_instance_fd(), ast_rtp_instance_get_codecs(), AST_STATE_DOWN, AST_STATE_RING, ast_strdup, ast_string_field_set, ast_strlen_zero(), ast_channel::caller, gtalk::callgroup, ast_channel::callgroup, gtalk::callingpres, gtalk_pvt::capability, gtalk_pvt::cid_name, gtalk_pvt::cid_num, ast_channel::context, gtalk::context, ast_channel::dialed, EVENT_FLAG_SYSTEM, ast_channel::exten, gtalk_pvt::exten, global_jbconf, ast_channel::hangupcause, ast_party_caller::id, gtalk_pvt::jointcapability, language, gtalk::language, LOG_WARNING, manager_event, musicclass, gtalk::musicclass, ast_party_id::name, ast_channel::nativeformats, ast_party_dialed::number, ast_party_id::number, gtalk_pvt::owner, parkinglot, gtalk::parkinglot, gtalk::pickupgroup, ast_channel::pickupgroup, gtalk_pvt::prefs, ast_party_number::presentation, ast_party_name::presentation, ast_channel::priority, ast_channel::rawreadformat, ast_channel::rawwriteformat, ast_channel::readformat, ast_channel::rings, gtalk_pvt::rtp, gtalk_pvt::sid, ast_party_dialed::str, ast_channel::tech, ast_channel::tech_pvt, gtalk_pvt::us, gtalk_pvt::vrtp, and ast_channel::writeformat.
Referenced by gtalk_newcall(), and gtalk_request().
01082 { 01083 struct ast_channel *tmp; 01084 int fmt; 01085 int what; 01086 const char *n2; 01087 01088 if (title) 01089 n2 = title; 01090 else 01091 n2 = i->us; 01092 tmp = ast_channel_alloc(1, state, i->cid_num, i->cid_name, linkedid, client->accountcode, i->exten, client->context, client->amaflags, "Gtalk/%s-%04lx", n2, ast_random() & 0xffff); 01093 if (!tmp) { 01094 ast_log(LOG_WARNING, "Unable to allocate Gtalk channel structure!\n"); 01095 return NULL; 01096 } 01097 tmp->tech = >alk_tech; 01098 01099 /* Select our native format based on codec preference until we receive 01100 something from another device to the contrary. */ 01101 if (i->jointcapability) 01102 what = i->jointcapability; 01103 else if (i->capability) 01104 what = i->capability; 01105 else 01106 what = global_capability; 01107 01108 /* Set Frame packetization */ 01109 if (i->rtp) { 01110 ast_rtp_codecs_packetization_set(ast_rtp_instance_get_codecs(i->rtp), i->rtp, &i->prefs); 01111 } 01112 01113 tmp->nativeformats = ast_codec_choose(&i->prefs, what, 1) | (i->jointcapability & AST_FORMAT_VIDEO_MASK); 01114 fmt = ast_best_codec(tmp->nativeformats); 01115 01116 if (i->rtp) { 01117 ast_channel_set_fd(tmp, 0, ast_rtp_instance_fd(i->rtp, 0)); 01118 ast_channel_set_fd(tmp, 1, ast_rtp_instance_fd(i->rtp, 1)); 01119 } 01120 if (i->vrtp) { 01121 ast_channel_set_fd(tmp, 2, ast_rtp_instance_fd(i->vrtp, 0)); 01122 ast_channel_set_fd(tmp, 3, ast_rtp_instance_fd(i->vrtp, 1)); 01123 } 01124 if (state == AST_STATE_RING) 01125 tmp->rings = 1; 01126 tmp->adsicpe = AST_ADSI_UNAVAILABLE; 01127 tmp->writeformat = fmt; 01128 tmp->rawwriteformat = fmt; 01129 tmp->readformat = fmt; 01130 tmp->rawreadformat = fmt; 01131 tmp->tech_pvt = i; 01132 01133 tmp->callgroup = client->callgroup; 01134 tmp->pickupgroup = client->pickupgroup; 01135 tmp->caller.id.name.presentation = client->callingpres; 01136 tmp->caller.id.number.presentation = client->callingpres; 01137 if (!ast_strlen_zero(client->accountcode)) 01138 ast_string_field_set(tmp, accountcode, client->accountcode); 01139 if (client->amaflags) 01140 tmp->amaflags = client->amaflags; 01141 if (!ast_strlen_zero(client->language)) 01142 ast_string_field_set(tmp, language, client->language); 01143 if (!ast_strlen_zero(client->musicclass)) 01144 ast_string_field_set(tmp, musicclass, client->musicclass); 01145 if (!ast_strlen_zero(client->parkinglot)) 01146 ast_string_field_set(tmp, parkinglot, client->parkinglot); 01147 i->owner = tmp; 01148 ast_module_ref(ast_module_info->self); 01149 ast_copy_string(tmp->context, client->context, sizeof(tmp->context)); 01150 ast_copy_string(tmp->exten, i->exten, sizeof(tmp->exten)); 01151 01152 if (!ast_strlen_zero(i->exten) && strcmp(i->exten, "s")) { 01153 tmp->dialed.number.str = ast_strdup(i->exten); 01154 } 01155 tmp->priority = 1; 01156 if (i->rtp) 01157 ast_jb_configure(tmp, &global_jbconf); 01158 if (state != AST_STATE_DOWN && ast_pbx_start(tmp)) { 01159 ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name); 01160 tmp->hangupcause = AST_CAUSE_SWITCH_CONGESTION; 01161 ast_hangup(tmp); 01162 tmp = NULL; 01163 } else { 01164 manager_event(EVENT_FLAG_SYSTEM, "ChannelUpdate", 01165 "Channel: %s\r\nChanneltype: %s\r\nGtalk-SID: %s\r\n", 01166 i->owner ? i->owner->name : "", "Gtalk", i->sid); 01167 } 01168 return tmp; 01169 }
static int gtalk_newcall | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 1247 of file chan_gtalk.c.
References gtalk_pvt::alreadygone, ast_aji_client_destroy(), ast_aji_get_client(), ast_channel_release(), ast_copy_string(), ast_getformatname_multiple(), ast_log(), ast_mutex_lock, ast_mutex_unlock, AST_PBX_CALL_LIMIT, AST_PBX_FAILED, ast_pbx_start(), AST_PBX_SUCCESS, ast_rtp_codecs_payload_formats(), ast_rtp_codecs_payloads_set_m_type(), ast_rtp_codecs_payloads_set_rtpmap_type(), ast_rtp_instance_get_codecs(), ast_setstate(), AST_STATE_DOWN, AST_STATE_RING, ASTOBJ_UNREF, gtalk_pvt::capability, gtalk::connection, gtalk_action(), gtalk_alloc(), gtalk_create_candidates(), gtalk_free_pvt(), gtalk_hangup(), gtalk_new(), gtalk_response(), aji_client::jid, gtalk_pvt::jointcapability, gtalk_pvt::lock, LOG_ERROR, LOG_NOTICE, LOG_WARNING, gtalk_pvt::next, gtalk::p, gtalk_pvt::peercapability, gtalk_pvt::rtp, S_OR, gtalk_pvt::sid, gtalk_pvt::them, gtalk_pvt::us, and gtalk_pvt::vrtp.
Referenced by gtalk_parser().
01248 { 01249 struct gtalk_pvt *p, *tmp = client->p; 01250 struct ast_channel *chan; 01251 int res; 01252 iks *codec; 01253 char *from = NULL; 01254 char s1[BUFSIZ], s2[BUFSIZ], s3[BUFSIZ]; 01255 int peernoncodeccapability; 01256 char *sid; 01257 01258 /* Make sure our new call doesn't exist yet */ 01259 from = iks_find_attrib(pak->x,"to"); 01260 if (!from) { 01261 from = client->connection->jid->full; 01262 } 01263 01264 while (tmp) { 01265 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid) || 01266 (iks_find_attrib(pak->query, "id") && !strcmp(iks_find_attrib(pak->query, "id"), tmp->sid))) { 01267 ast_log(LOG_NOTICE, "Ignoring duplicate call setup on SID %s\n", tmp->sid); 01268 gtalk_response(client, from, pak, "out-of-order", NULL); 01269 return -1; 01270 } 01271 tmp = tmp->next; 01272 } 01273 01274 if (!strcasecmp(client->name, "guest")){ 01275 /* the guest account is not tied to any configured XMPP client, 01276 let's set it now */ 01277 if (client->connection) { 01278 ASTOBJ_UNREF(client->connection, ast_aji_client_destroy); 01279 } 01280 client->connection = ast_aji_get_client(from); 01281 if (!client->connection) { 01282 ast_log(LOG_ERROR, "No XMPP client to talk to, us (partial JID) : %s\n", from); 01283 return -1; 01284 } 01285 } 01286 01287 if (!(sid = iks_find_attrib(pak->query, "id"))) { 01288 ast_log(LOG_WARNING, "Received Initiate without id attribute. Can not start call.\n"); 01289 return -1; 01290 } 01291 01292 p = gtalk_alloc(client, from, pak->from->full, sid); 01293 if (!p) { 01294 ast_log(LOG_WARNING, "Unable to allocate gtalk structure!\n"); 01295 return -1; 01296 } 01297 01298 chan = gtalk_new(client, p, AST_STATE_DOWN, pak->from->user, NULL); 01299 if (!chan) { 01300 gtalk_free_pvt(client, p); 01301 return -1; 01302 } 01303 01304 ast_mutex_lock(&p->lock); 01305 ast_copy_string(p->them, pak->from->full, sizeof(p->them)); 01306 ast_copy_string(p->sid, sid, sizeof(p->sid)); 01307 01308 /* codec points to the first <payload-type/> tag */ 01309 codec = iks_first_tag(iks_first_tag(pak->query)); 01310 01311 while (codec) { 01312 char *codec_id = iks_find_attrib(codec, "id"); 01313 char *codec_name = iks_find_attrib(codec, "name"); 01314 if (!codec_id || !codec_name) { 01315 codec = iks_next_tag(codec); 01316 continue; 01317 } 01318 if (!strcmp(S_OR(iks_name(codec), ""), "vid:payload-type") && p->vrtp) { 01319 ast_rtp_codecs_payloads_set_m_type( 01320 ast_rtp_instance_get_codecs(p->vrtp), 01321 p->vrtp, 01322 atoi(codec_id)); 01323 ast_rtp_codecs_payloads_set_rtpmap_type( 01324 ast_rtp_instance_get_codecs(p->vrtp), 01325 p->vrtp, 01326 atoi(codec_id), 01327 "video", 01328 codec_name, 01329 0); 01330 } else { 01331 ast_rtp_codecs_payloads_set_m_type( 01332 ast_rtp_instance_get_codecs(p->rtp), 01333 p->rtp, 01334 atoi(codec_id)); 01335 ast_rtp_codecs_payloads_set_rtpmap_type( 01336 ast_rtp_instance_get_codecs(p->rtp), 01337 p->rtp, 01338 atoi(codec_id), 01339 "audio", 01340 codec_name, 01341 0); 01342 } 01343 codec = iks_next_tag(codec); 01344 } 01345 01346 /* Now gather all of the codecs that we are asked for */ 01347 ast_rtp_codecs_payload_formats(ast_rtp_instance_get_codecs(p->rtp), &p->peercapability, &peernoncodeccapability); 01348 p->jointcapability = p->capability & p->peercapability; 01349 ast_mutex_unlock(&p->lock); 01350 01351 ast_setstate(chan, AST_STATE_RING); 01352 if (!p->jointcapability) { 01353 ast_log(LOG_WARNING, "Capabilities don't match : us - %s, peer - %s, combined - %s \n", ast_getformatname_multiple(s1, BUFSIZ, p->capability), 01354 ast_getformatname_multiple(s2, BUFSIZ, p->peercapability), 01355 ast_getformatname_multiple(s3, BUFSIZ, p->jointcapability)); 01356 /* close session if capabilities don't match */ 01357 gtalk_action(client, p, "reject"); 01358 p->alreadygone = 1; 01359 gtalk_hangup(chan); 01360 ast_channel_release(chan); 01361 return -1; 01362 } 01363 01364 res = ast_pbx_start(chan); 01365 01366 switch (res) { 01367 case AST_PBX_FAILED: 01368 ast_log(LOG_WARNING, "Failed to start PBX :(\n"); 01369 gtalk_response(client, from, pak, "service-unavailable", NULL); 01370 break; 01371 case AST_PBX_CALL_LIMIT: 01372 ast_log(LOG_WARNING, "Failed to start PBX (call limit reached) \n"); 01373 gtalk_response(client, from, pak, "service-unavailable", NULL); 01374 break; 01375 case AST_PBX_SUCCESS: 01376 gtalk_response(client, from, pak, NULL, NULL); 01377 gtalk_create_candidates(client, p, p->sid, p->them, p->us); 01378 /* nothing to do */ 01379 break; 01380 } 01381 01382 return 1; 01383 }
static int gtalk_parser | ( | void * | data, | |
ikspak * | pak | |||
) | [static] |
CLI command "gtalk reload".
Definition at line 1983 of file chan_gtalk.c.
References ast_debug, ast_log(), ast_strlen_zero(), ASTOBJ_REF, ASTOBJ_UNREF, gtalk_add_candidate(), gtalk_handle_dtmf(), gtalk_hangup_farend(), gtalk_is_accepted(), gtalk_is_answered(), gtalk_member_destroy(), gtalk_newcall(), LOG_NOTICE, LOG_WARNING, and S_OR.
Referenced by gtalk_create_member(), and gtalk_load_config().
01984 { 01985 struct gtalk *client = ASTOBJ_REF((struct gtalk *) data); 01986 int res; 01987 iks *tmp; 01988 01989 if (!strcasecmp(iks_name(pak->query), "jin:jingle") && (tmp = iks_next(pak->query)) && !strcasecmp(iks_name(tmp), "ses:session")) { 01990 ast_debug(1, "New method detected. Skipping jingle offer and using old gtalk method.\n"); 01991 pak->query = tmp; 01992 } 01993 01994 if (!strcmp(S_OR(iks_find_attrib(pak->x, "type"), ""), "error")) { 01995 ast_log(LOG_NOTICE, "Remote peer reported an error, trying to establish the call anyway\n"); 01996 } 01997 01998 if (ast_strlen_zero(iks_find_attrib(pak->query, "type"))) { 01999 ast_log(LOG_NOTICE, "No attribute \"type\" found. Ignoring message.\n"); 02000 } else if (!strcmp(iks_find_attrib(pak->query, "type"), "initiate")) { 02001 /* New call */ 02002 gtalk_newcall(client, pak); 02003 } else if (!strcmp(iks_find_attrib(pak->query, "type"), "candidates") || !strcmp(iks_find_attrib(pak->query, "type"), "transport-info")) { 02004 ast_debug(3, "About to add candidate!\n"); 02005 res = gtalk_add_candidate(client, pak); 02006 if (!res) { 02007 ast_log(LOG_WARNING, "Could not add any candidate\n"); 02008 } else { 02009 ast_debug(3, "Candidate Added!\n"); 02010 } 02011 } else if (!strcmp(iks_find_attrib(pak->query, "type"), "accept")) { 02012 gtalk_is_answered(client, pak); 02013 } else if (!strcmp(iks_find_attrib(pak->query, "type"), "transport-accept")) { 02014 gtalk_is_accepted(client, pak); 02015 } else if (!strcmp(iks_find_attrib(pak->query, "type"), "content-info") || iks_find_with_attrib(pak->x, "gtalk", "action", "session-info")) { 02016 gtalk_handle_dtmf(client, pak); 02017 } else if (!strcmp(iks_find_attrib(pak->query, "type"), "terminate")) { 02018 gtalk_hangup_farend(client, pak); 02019 } else if (!strcmp(iks_find_attrib(pak->query, "type"), "reject")) { 02020 gtalk_hangup_farend(client, pak); 02021 } 02022 ASTOBJ_UNREF(client, gtalk_member_destroy); 02023 return IKS_FILTER_EAT; 02024 }
static struct ast_frame * gtalk_read | ( | struct ast_channel * | ast | ) | [static, read] |
Definition at line 1595 of file chan_gtalk.c.
References ast_mutex_lock, ast_mutex_unlock, gtalk_rtp_read(), gtalk_pvt::lock, and ast_channel::tech_pvt.
01596 { 01597 struct ast_frame *fr; 01598 struct gtalk_pvt *p = ast->tech_pvt; 01599 01600 ast_mutex_lock(&p->lock); 01601 fr = gtalk_rtp_read(ast, p); 01602 ast_mutex_unlock(&p->lock); 01603 return fr; 01604 }
static struct ast_channel * gtalk_request | ( | const char * | type, | |
format_t | format, | |||
const struct ast_channel * | requestor, | |||
void * | data, | |||
int * | cause | |||
) | [static, read] |
Part of PBX interface.
Definition at line 1851 of file chan_gtalk.c.
References ast_aji_client_destroy(), ast_aji_get_client(), ast_log(), AST_STATE_DOWN, ast_strdupa, ASTOBJ_UNLOCK, ASTOBJ_UNREF, ASTOBJ_WRLOCK, gtalk::connection, find_gtalk(), gtalk_alloc(), gtalk_member_destroy(), gtalk_new(), aji_client::jid, LOG_ERROR, LOG_WARNING, and gtalk::user.
01852 { 01853 struct gtalk_pvt *p = NULL; 01854 struct gtalk *client = NULL; 01855 char *sender = NULL, *to = NULL, *s = NULL; 01856 struct ast_channel *chan = NULL; 01857 01858 if (data) { 01859 s = ast_strdupa(data); 01860 sender = strsep(&s, "/"); 01861 if (sender && (sender[0] != '\0')) { 01862 to = strsep(&s, "/"); 01863 } 01864 if (!to) { 01865 ast_log(LOG_ERROR, "Bad arguments in Gtalk Dialstring: %s\n", (char*) data); 01866 return NULL; 01867 } 01868 } 01869 01870 client = find_gtalk(to, sender); 01871 if (!client) { 01872 ast_log(LOG_WARNING, "Could not find recipient.\n"); 01873 return NULL; 01874 } 01875 if (!strcasecmp(client->name, "guest")){ 01876 /* the guest account is not tied to any configured XMPP client, 01877 let's set it now */ 01878 if (client->connection) { 01879 ASTOBJ_UNREF(client->connection, ast_aji_client_destroy); 01880 } 01881 client->connection = ast_aji_get_client(sender); 01882 if (!client->connection) { 01883 ast_log(LOG_ERROR, "No XMPP client to talk to, us (partial JID) : %s\n", sender); 01884 ASTOBJ_UNREF(client, gtalk_member_destroy); 01885 return NULL; 01886 } 01887 } 01888 01889 ASTOBJ_WRLOCK(client); 01890 p = gtalk_alloc(client, strchr(sender, '@') ? sender : client->connection->jid->full, strchr(to, '@') ? to : client->user, NULL); 01891 if (p) { 01892 chan = gtalk_new(client, p, AST_STATE_DOWN, to, requestor ? requestor->linkedid : NULL); 01893 } 01894 ASTOBJ_UNLOCK(client); 01895 return chan; 01896 }
static int gtalk_response | ( | struct gtalk * | client, | |
char * | from, | |||
ikspak * | pak, | |||
const char * | reasonstr, | |||
const char * | reasonstr2 | |||
) | [static] |
Definition at line 574 of file chan_gtalk.c.
References ast_aji_send(), gtalk::connection, and S_OR.
Referenced by gtalk_handle_dtmf(), gtalk_hangup_farend(), gtalk_is_accepted(), gtalk_is_answered(), and gtalk_newcall().
00575 { 00576 iks *response = NULL, *error = NULL, *reason = NULL; 00577 int res = -1; 00578 00579 response = iks_new("iq"); 00580 if (response) { 00581 iks_insert_attrib(response, "type", "result"); 00582 iks_insert_attrib(response, "from", from); 00583 iks_insert_attrib(response, "to", S_OR(iks_find_attrib(pak->x, "from"), "")); 00584 iks_insert_attrib(response, "id", S_OR(iks_find_attrib(pak->x, "id"), "")); 00585 if (reasonstr) { 00586 error = iks_new("error"); 00587 if (error) { 00588 iks_insert_attrib(error, "type", "cancel"); 00589 reason = iks_new(reasonstr); 00590 if (reason) 00591 iks_insert_node(error, reason); 00592 iks_insert_node(response, error); 00593 } 00594 } 00595 ast_aji_send(client->connection, response); 00596 res = 0; 00597 } 00598 00599 iks_delete(reason); 00600 iks_delete(error); 00601 iks_delete(response); 00602 00603 return res; 00604 }
static int gtalk_ringing_ack | ( | void * | data, | |
ikspak * | pak | |||
) | [static] |
Definition at line 461 of file chan_gtalk.c.
References AST_CONTROL_RINGING, ast_copy_string(), ast_log(), ast_mutex_lock, ast_mutex_unlock, ast_queue_control(), gtalk::connection, aji_client::f, gtalk_create_candidates(), gtalk_invite(), gtalk_pvt::lock, LOG_DEBUG, name, gtalk_pvt::owner, gtalk_pvt::parent, gtalk_pvt::ringrule, S_OR, gtalk_pvt::sid, gtalk_pvt::them, and gtalk_pvt::us.
Referenced by gtalk_call().
00462 { 00463 struct gtalk_pvt *p = data; 00464 struct ast_channel *owner; 00465 00466 ast_mutex_lock(&p->lock); 00467 00468 if (p->ringrule) { 00469 iks_filter_remove_rule(p->parent->connection->f, p->ringrule); 00470 } 00471 p->ringrule = NULL; 00472 00473 /* this may be a redirect */ 00474 if (!strcmp(S_OR(iks_find_attrib(pak->x, "type"), ""), "error")) { 00475 char *name = NULL; 00476 char *redirect = NULL; 00477 iks *traversenodes = NULL; 00478 traversenodes = pak->query; 00479 while (traversenodes) { 00480 if (!(name = iks_name(traversenodes))) { 00481 break; 00482 } 00483 if (!strcasecmp(name, "error") && 00484 ((redirect = iks_find_cdata(traversenodes, "redirect")) || 00485 (redirect = iks_find_cdata(traversenodes, "sta:redirect"))) && 00486 (redirect = strstr(redirect, "xmpp:"))) { 00487 redirect += 5; 00488 ast_log(LOG_DEBUG, "redirect %s\n", redirect); 00489 ast_copy_string(p->them, redirect, sizeof(p->them)); 00490 00491 gtalk_invite(p, p->them, p->us, p->sid, 1); 00492 break; 00493 } 00494 traversenodes = iks_next_tag(traversenodes); 00495 } 00496 } 00497 gtalk_create_candidates(p->parent, p, p->sid, p->them, p->us); 00498 owner = p->owner; 00499 ast_mutex_unlock(&p->lock); 00500 00501 if (owner) { 00502 ast_queue_control(owner, AST_CONTROL_RINGING); 00503 } 00504 00505 return IKS_FILTER_EAT; 00506 }
static struct ast_frame* gtalk_rtp_read | ( | struct ast_channel * | ast, | |
struct gtalk_pvt * | p | |||
) | [static, read] |
Definition at line 1566 of file chan_gtalk.c.
References ast_debug, AST_FORMAT_AUDIO_MASK, AST_FORMAT_VIDEO_MASK, AST_FRAME_VOICE, ast_getformatname(), ast_null_frame, ast_rtp_instance_read(), ast_set_read_format(), ast_set_write_format(), ast_frame_subclass::codec, f, ast_frame::frametype, gtalk_update_stun(), ast_channel::nativeformats, gtalk_pvt::owner, gtalk_pvt::parent, ast_channel::readformat, gtalk_pvt::rtp, ast_frame::subclass, and ast_channel::writeformat.
Referenced by gtalk_read().
01567 { 01568 struct ast_frame *f; 01569 01570 if (!p->rtp) { 01571 return &ast_null_frame; 01572 } 01573 f = ast_rtp_instance_read(p->rtp, 0); 01574 gtalk_update_stun(p->parent, p); 01575 if (p->owner) { 01576 /* We already hold the channel lock */ 01577 if (f->frametype == AST_FRAME_VOICE) { 01578 if (f->subclass.codec != (p->owner->nativeformats & AST_FORMAT_AUDIO_MASK)) { 01579 ast_debug(1, "Oooh, format changed to %s\n", ast_getformatname(f->subclass.codec)); 01580 p->owner->nativeformats = 01581 (p->owner->nativeformats & AST_FORMAT_VIDEO_MASK) | f->subclass.codec; 01582 ast_set_read_format(p->owner, p->owner->readformat); 01583 ast_set_write_format(p->owner, p->owner->writeformat); 01584 } 01585 /* if ((ast_test_flag(p, SIP_DTMF) == SIP_DTMF_INBAND) && p->vad) { 01586 f = ast_dsp_process(p->owner, p->vad, f); 01587 if (option_debug && f && (f->frametype == AST_FRAME_DTMF)) 01588 ast_debug(1, "* Detected inband DTMF '%c'\n", f->subclass); 01589 } */ 01590 } 01591 } 01592 return f; 01593 }
static int gtalk_sendhtml | ( | struct ast_channel * | ast, | |
int | subclass, | |||
const char * | data, | |||
int | datalen | |||
) | [static] |
Definition at line 1797 of file chan_gtalk.c.
References ast_log(), and LOG_NOTICE.
01798 { 01799 ast_log(LOG_NOTICE, "XXX Implement gtalk sendhtml XXX\n"); 01800 01801 return -1; 01802 }
static int gtalk_sendtext | ( | struct ast_channel * | ast, | |
const char * | text | |||
) | [static] |
Definition at line 1687 of file chan_gtalk.c.
References ast_aji_send_chat(), ast_log(), gtalk::connection, LOG_ERROR, gtalk_pvt::parent, ast_channel::tech_pvt, and gtalk_pvt::them.
01688 { 01689 int res = 0; 01690 struct aji_client *client = NULL; 01691 struct gtalk_pvt *p = chan->tech_pvt; 01692 01693 if (!p->parent) { 01694 ast_log(LOG_ERROR, "Parent channel not found\n"); 01695 return -1; 01696 } 01697 if (!p->parent->connection) { 01698 ast_log(LOG_ERROR, "XMPP client not found\n"); 01699 return -1; 01700 } 01701 client = p->parent->connection; 01702 res = ast_aji_send_chat(client, p->them, text); 01703 return res; 01704 }
static int gtalk_set_rtp_peer | ( | struct ast_channel * | chan, | |
struct ast_rtp_instance * | rtp, | |||
struct ast_rtp_instance * | vrtp, | |||
struct ast_rtp_instance * | trtp, | |||
format_t | codecs, | |||
int | nat_active | |||
) | [static] |
Definition at line 547 of file chan_gtalk.c.
References ast_mutex_lock, ast_mutex_unlock, gtalk_pvt::lock, and ast_channel::tech_pvt.
00548 { 00549 struct gtalk_pvt *p; 00550 00551 p = chan->tech_pvt; 00552 if (!p) 00553 return -1; 00554 ast_mutex_lock(&p->lock); 00555 00556 /* if (rtp) 00557 ast_rtp_get_peer(rtp, &p->redirip); 00558 else 00559 memset(&p->redirip, 0, sizeof(p->redirip)); 00560 p->redircodecs = codecs; */ 00561 00562 /* Reset lastrtprx timer */ 00563 ast_mutex_unlock(&p->lock); 00564 return 0; 00565 }
static char * gtalk_show_channels | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
CLI command "gtalk show channels".
Definition at line 1899 of file chan_gtalk.c.
References AJI_MAX_JIDLEN, ast_cli_args::argc, ast_cli(), ast_copy_string(), ast_getformatname(), ast_log(), ast_mutex_lock, ast_mutex_unlock, ASTOBJ_CONTAINER_TRAVERSE, ASTOBJ_UNLOCK, ASTOBJ_WRLOCK, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, ast_cli_args::fd, FORMAT, gtalk_list, LOG_WARNING, gtalk_pvt::next, gtalk_pvt::owner, ast_channel::readformat, gtalk_pvt::them, ast_cli_entry::usage, and ast_channel::writeformat.
01900 { 01901 #define FORMAT "%-30.30s %-30.30s %-15.15s %-5.5s %-5.5s \n" 01902 struct gtalk_pvt *p; 01903 struct ast_channel *chan; 01904 int numchans = 0; 01905 char them[AJI_MAX_JIDLEN]; 01906 char *jid = NULL; 01907 char *resource = NULL; 01908 01909 switch (cmd) { 01910 case CLI_INIT: 01911 e->command = "gtalk show channels"; 01912 e->usage = 01913 "Usage: gtalk show channels\n" 01914 " Shows current state of the Gtalk channels.\n"; 01915 return NULL; 01916 case CLI_GENERATE: 01917 return NULL; 01918 } 01919 01920 if (a->argc != 3) 01921 return CLI_SHOWUSAGE; 01922 01923 ast_mutex_lock(>alklock); 01924 ast_cli(a->fd, FORMAT, "Channel", "Jabber ID", "Resource", "Read", "Write"); 01925 ASTOBJ_CONTAINER_TRAVERSE(>alk_list, 1, { 01926 ASTOBJ_WRLOCK(iterator); 01927 p = iterator->p; 01928 while(p) { 01929 chan = p->owner; 01930 ast_copy_string(them, p->them, sizeof(them)); 01931 jid = them; 01932 resource = strchr(them, '/'); 01933 if (!resource) 01934 resource = "None"; 01935 else { 01936 *resource = '\0'; 01937 resource ++; 01938 } 01939 if (chan) 01940 ast_cli(a->fd, FORMAT, 01941 chan->name, 01942 jid, 01943 resource, 01944 ast_getformatname(chan->readformat), 01945 ast_getformatname(chan->writeformat) 01946 ); 01947 else 01948 ast_log(LOG_WARNING, "No available channel\n"); 01949 numchans ++; 01950 p = p->next; 01951 } 01952 ASTOBJ_UNLOCK(iterator); 01953 }); 01954 01955 ast_mutex_unlock(>alklock); 01956 01957 ast_cli(a->fd, "%d active gtalk channel%s\n", numchans, (numchans != 1) ? "s" : ""); 01958 return CLI_SUCCESS; 01959 #undef FORMAT 01960 }
static int gtalk_update_externip | ( | void | ) | [static] |
Definition at line 1385 of file chan_gtalk.c.
References ast_connect(), ast_inet_ntoa(), ast_log(), ast_sockaddr_from_sin, ast_sockaddr_stringify(), ast_strdupa, ast_stun_request(), errno, LOG_WARNING, and stunaddr.
Referenced by gtalk_create_candidates(), and gtalk_load_config().
01386 { 01387 int sock; 01388 char *newaddr; 01389 struct sockaddr_in answer = { 0, }; 01390 struct sockaddr_in *dst; 01391 struct ast_sockaddr tmp_dst; 01392 01393 if (!stunaddr.sin_addr.s_addr) { 01394 return -1; 01395 } 01396 dst = &stunaddr; 01397 01398 sock = socket(AF_INET, SOCK_DGRAM, 0); 01399 if (sock < 0) { 01400 ast_log(LOG_WARNING, "Unable to create STUN socket: %s\n", strerror(errno)); 01401 return -1; 01402 } 01403 01404 ast_sockaddr_from_sin(&tmp_dst, dst); 01405 if (ast_connect(sock, &tmp_dst) != 0) { 01406 ast_log(LOG_WARNING, "STUN Failed to connect to %s\n", ast_sockaddr_stringify(&tmp_dst)); 01407 close(sock); 01408 return -1; 01409 } 01410 01411 if ((ast_stun_request(sock, &stunaddr, NULL, &answer))) { 01412 close(sock); 01413 return -1; 01414 } 01415 01416 newaddr = ast_strdupa(ast_inet_ntoa(answer.sin_addr)); 01417 memcpy(externip, newaddr, sizeof(externip)); 01418 01419 close(sock); 01420 return 0; 01421 01422 }
Definition at line 1424 of file chan_gtalk.c.
References ast_debug, ast_gethostbyname(), ast_inet_ntoa(), ast_log(), ast_rtp_instance_get_remote_address(), ast_rtp_instance_stun_request(), ast_sockaddr_from_sin, ast_sockaddr_to_sin, hp, gtalk_candidate::ip, gtalk_pvt::laststun, LOG_WARNING, gtalk_candidate::next, gtalk_pvt::ourcandidates, gtalk_candidate::port, gtalk_pvt::rtp, gtalk_pvt::theircandidates, and gtalk_candidate::username.
Referenced by gtalk_add_candidate(), gtalk_is_accepted(), gtalk_is_answered(), and gtalk_rtp_read().
01425 { 01426 struct gtalk_candidate *tmp; 01427 struct hostent *hp; 01428 struct ast_hostent ahp; 01429 struct sockaddr_in sin = { 0, }; 01430 struct sockaddr_in aux = { 0, }; 01431 struct ast_sockaddr sin_tmp; 01432 struct ast_sockaddr aux_tmp; 01433 01434 if (time(NULL) == p->laststun) 01435 return 0; 01436 01437 tmp = p->theircandidates; 01438 p->laststun = time(NULL); 01439 while (tmp) { 01440 char username[256]; 01441 01442 /* Find the IP address of the host */ 01443 if (!(hp = ast_gethostbyname(tmp->ip, &ahp))) { 01444 ast_log(LOG_WARNING, "Could not get host by name for %s\n", tmp->ip); 01445 tmp = tmp->next; 01446 continue; 01447 } 01448 sin.sin_family = AF_INET; 01449 memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr)); 01450 sin.sin_port = htons(tmp->port); 01451 snprintf(username, sizeof(username), "%s%s", tmp->username, p->ourcandidates->username); 01452 01453 /* Find out the result of the STUN */ 01454 ast_rtp_instance_get_remote_address(p->rtp, &aux_tmp); 01455 ast_sockaddr_to_sin(&aux_tmp, &aux); 01456 01457 /* If the STUN result is different from the IP of the hostname, 01458 * lock on the stun IP of the hostname advertised by the 01459 * remote client */ 01460 if (aux.sin_addr.s_addr && (aux.sin_addr.s_addr != sin.sin_addr.s_addr)) { 01461 ast_rtp_instance_stun_request(p->rtp, &aux_tmp, username); 01462 } else { 01463 ast_sockaddr_from_sin(&sin_tmp, &sin); 01464 ast_rtp_instance_stun_request(p->rtp, &sin_tmp, username); 01465 } 01466 if (aux.sin_addr.s_addr) { 01467 ast_debug(4, "Receiving RTP traffic from IP %s, matches with remote candidate's IP %s\n", ast_inet_ntoa(aux.sin_addr), tmp->ip); 01468 ast_debug(4, "Sending STUN request to %s\n", tmp->ip); 01469 } 01470 01471 tmp = tmp->next; 01472 } 01473 return 1; 01474 }
static int gtalk_write | ( | struct ast_channel * | ast, | |
struct ast_frame * | f | |||
) | [static] |
Send frame to media channel (rtp).
Definition at line 1607 of file chan_gtalk.c.
References AST_FRAME_IMAGE, AST_FRAME_VIDEO, AST_FRAME_VOICE, ast_getformatname(), ast_getformatname_multiple(), ast_log(), ast_mutex_lock, ast_mutex_unlock, ast_rtp_instance_write(), ast_frame_subclass::codec, ast_frame::frametype, gtalk_pvt::lock, LOG_WARNING, ast_channel::nativeformats, ast_channel::readformat, gtalk_pvt::rtp, ast_frame::subclass, ast_channel::tech_pvt, gtalk_pvt::vrtp, and ast_channel::writeformat.
01608 { 01609 struct gtalk_pvt *p = ast->tech_pvt; 01610 int res = 0; 01611 char buf[256]; 01612 01613 switch (frame->frametype) { 01614 case AST_FRAME_VOICE: 01615 if (!(frame->subclass.codec & ast->nativeformats)) { 01616 ast_log(LOG_WARNING, 01617 "Asked to transmit frame type %s, while native formats is %s (read/write = %s/%s)\n", 01618 ast_getformatname(frame->subclass.codec), 01619 ast_getformatname_multiple(buf, sizeof(buf), ast->nativeformats), 01620 ast_getformatname(ast->readformat), 01621 ast_getformatname(ast->writeformat)); 01622 return 0; 01623 } 01624 if (p) { 01625 ast_mutex_lock(&p->lock); 01626 if (p->rtp) { 01627 res = ast_rtp_instance_write(p->rtp, frame); 01628 } 01629 ast_mutex_unlock(&p->lock); 01630 } 01631 break; 01632 case AST_FRAME_VIDEO: 01633 if (p) { 01634 ast_mutex_lock(&p->lock); 01635 if (p->vrtp) { 01636 res = ast_rtp_instance_write(p->vrtp, frame); 01637 } 01638 ast_mutex_unlock(&p->lock); 01639 } 01640 break; 01641 case AST_FRAME_IMAGE: 01642 return 0; 01643 break; 01644 default: 01645 ast_log(LOG_WARNING, "Can't send %d type frames with Gtalk write\n", 01646 frame->frametype); 01647 return 0; 01648 } 01649 01650 return res; 01651 }
static int load_module | ( | void | ) | [static] |
Load module into PBX, register channel.
Definition at line 2203 of file chan_gtalk.c.
References __ourip, ARRAY_LEN, ast_channel_register(), ast_cli_register_multiple(), ast_log(), ast_module_helper(), AST_MODULE_LOAD_DECLINE, ast_rtp_glue_register, ast_sockaddr_from_sin, ast_sockaddr_ipv4(), ASTOBJ_CONTAINER_INIT, free, GOOGLE_CONFIG, gtalk_get_local_ip(), gtalk_list, gtalk_load_config(), io_context_create(), LOG_ERROR, LOG_WARNING, sched_context_create(), and ast_channel_tech::type.
02204 { 02205 struct ast_sockaddr bindaddr_tmp; 02206 struct ast_sockaddr ourip_tmp; 02207 02208 char *jabber_loaded = ast_module_helper("", "res_jabber.so", 0, 0, 0, 0); 02209 free(jabber_loaded); 02210 if (!jabber_loaded) { 02211 /* If embedded, check for a different module name */ 02212 jabber_loaded = ast_module_helper("", "res_jabber", 0, 0, 0, 0); 02213 free(jabber_loaded); 02214 if (!jabber_loaded) { 02215 ast_log(LOG_ERROR, "chan_gtalk.so depends upon res_jabber.so\n"); 02216 return AST_MODULE_LOAD_DECLINE; 02217 } 02218 } 02219 02220 ASTOBJ_CONTAINER_INIT(>alk_list); 02221 if (!gtalk_load_config()) { 02222 ast_log(LOG_ERROR, "Unable to read config file %s. Not loading module.\n", GOOGLE_CONFIG); 02223 return 0; 02224 } 02225 02226 sched = sched_context_create(); 02227 if (!sched) { 02228 ast_log(LOG_WARNING, "Unable to create schedule context\n"); 02229 } 02230 02231 io = io_context_create(); 02232 if (!io) { 02233 ast_log(LOG_WARNING, "Unable to create I/O context\n"); 02234 } 02235 02236 ast_sockaddr_from_sin(&bindaddr_tmp, &bindaddr); 02237 if (gtalk_get_local_ip(&ourip_tmp)) { 02238 ast_log(LOG_WARNING, "Unable to get own IP address, Gtalk disabled\n"); 02239 return 0; 02240 } 02241 __ourip.s_addr = htonl(ast_sockaddr_ipv4(&ourip_tmp)); 02242 02243 ast_rtp_glue_register(>alk_rtp_glue); 02244 ast_cli_register_multiple(gtalk_cli, ARRAY_LEN(gtalk_cli)); 02245 02246 /* Make sure we can register our channel type */ 02247 if (ast_channel_register(>alk_tech)) { 02248 ast_log(LOG_ERROR, "Unable to register channel class %s\n", gtalk_tech.type); 02249 return -1; 02250 } 02251 return 0; 02252 }
static int unload_module | ( | void | ) | [static] |
Reload module.
Unload the gtalk channel from Asterisk
Definition at line 2263 of file chan_gtalk.c.
References ARRAY_LEN, ast_channel_unregister(), ast_cli_unregister_multiple(), ast_log(), ast_mutex_lock, ast_mutex_unlock, ast_rtp_glue_unregister(), ast_softhangup(), AST_SOFTHANGUP_APPUNLOAD, ASTOBJ_CONTAINER_DESTROY, ASTOBJ_CONTAINER_DESTROYALL, ASTOBJ_CONTAINER_TRAVERSE, ASTOBJ_UNLOCK, ASTOBJ_WRLOCK, gtalk_list, gtalk_member_destroy(), LOG_WARNING, gtalk_pvt::next, and gtalk_pvt::owner.
02264 { 02265 struct gtalk_pvt *privates = NULL; 02266 ast_cli_unregister_multiple(gtalk_cli, ARRAY_LEN(gtalk_cli)); 02267 /* First, take us out of the channel loop */ 02268 ast_channel_unregister(>alk_tech); 02269 ast_rtp_glue_unregister(>alk_rtp_glue); 02270 02271 if (!ast_mutex_lock(>alklock)) { 02272 /* Hangup all interfaces if they have an owner */ 02273 ASTOBJ_CONTAINER_TRAVERSE(>alk_list, 1, { 02274 ASTOBJ_WRLOCK(iterator); 02275 privates = iterator->p; 02276 while(privates) { 02277 if (privates->owner) 02278 ast_softhangup(privates->owner, AST_SOFTHANGUP_APPUNLOAD); 02279 privates = privates->next; 02280 } 02281 iterator->p = NULL; 02282 ASTOBJ_UNLOCK(iterator); 02283 }); 02284 ast_mutex_unlock(>alklock); 02285 } else { 02286 ast_log(LOG_WARNING, "Unable to lock the monitor\n"); 02287 return -1; 02288 } 02289 ASTOBJ_CONTAINER_DESTROYALL(>alk_list, gtalk_member_destroy); 02290 ASTOBJ_CONTAINER_DESTROY(>alk_list); 02291 return 0; 02292 }
struct in_addr __ourip [static] |
Definition at line 229 of file chan_gtalk.c.
Referenced by load_module().
struct sockaddr_in bindaddr = { 0, } [static] |
The address we bind to
Definition at line 225 of file chan_gtalk.c.
Referenced by __oh323_rtp_create(), config_load(), config_parse_variables(), handle_skinny_show_settings(), load_module(), reload_config(), and start_rtp().
struct ast_jb_conf default_jbconf [static] |
Global jitterbuffer configuration - by default, jb is disabled
Definition at line 83 of file chan_gtalk.c.
const char desc[] = "Gtalk Channel" [static] |
Definition at line 169 of file chan_gtalk.c.
char externip[16] [static] |
Definition at line 236 of file chan_gtalk.c.
format_t global_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW | AST_FORMAT_GSM | AST_FORMAT_H263 [static] |
Definition at line 171 of file chan_gtalk.c.
struct ast_jb_conf global_jbconf [static] |
Definition at line 91 of file chan_gtalk.c.
Referenced by gtalk_load_config(), and gtalk_new().
struct ast_cli_entry gtalk_cli[] [static] |
{ AST_CLI_DEFINE(gtalk_show_channels, "Show GoogleTalk channels"), }
Definition at line 231 of file chan_gtalk.c.
struct gtalk_container gtalk_list [static] |
Definition at line 239 of file chan_gtalk.c.
Referenced by find_gtalk(), gtalk_load_config(), gtalk_show_channels(), load_module(), and unload_module().
struct ast_rtp_glue gtalk_rtp_glue [static] |
Definition at line 567 of file chan_gtalk.c.
struct ast_channel_tech gtalk_tech [static] |
PBX interface structure for channel registration.
Definition at line 201 of file chan_gtalk.c.
struct io_context* io [static] |
The IO context
Definition at line 228 of file chan_gtalk.c.
struct sched_context* sched [static] |
The scheduling context
Definition at line 227 of file chan_gtalk.c.
struct sockaddr_in stunaddr [static] |
the stun server we get the externip from
Definition at line 237 of file chan_gtalk.c.
Referenced by gtalk_load_config(), and gtalk_update_externip().