#include "asterisk.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>
#include <errno.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 "asterisk/lock.h"
#include "asterisk/channel.h"
#include "asterisk/config.h"
#include "asterisk/logger.h"
#include "asterisk/module.h"
#include "asterisk/pbx.h"
#include "asterisk/options.h"
#include "asterisk/sched.h"
#include "asterisk/io.h"
#include "asterisk/rtp.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 dependency graph for chan_gtalk.c:
Go to the source code of this file.
Data Structures | |
struct | gtalk |
struct | gtalk_candidate |
struct | gtalk_container |
struct | gtalk_pvt |
Defines | |
#define | GOOGLE_CONFIG "gtalk.conf" |
#define | GOOGLE_NS "http://www.google.com/session" |
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_DEFAULT,"Gtalk Channel Driver",.load=load_module,.unload=unload_module,.reload=reload,) | |
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 (struct ast_channel *ast, char digit, unsigned int duration) |
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_do_reload (int fd, int argc, char **argv) |
CLI command "gtalk show channels". | |
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 int | gtalk_get_codec (struct ast_channel *chan) |
static enum ast_rtp_get_result | gtalk_get_rtp_peer (struct ast_channel *chan, struct ast_rtp **rtp) |
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_invite_response (struct gtalk_pvt *p, char *to, char *from, char *sid, int initiator) |
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) |
Start new gtalk channel. | |
static int | gtalk_newcall (struct gtalk *client, ikspak *pak) |
static int | gtalk_parser (void *data, ikspak *pak) |
static struct ast_frame * | gtalk_read (struct ast_channel *ast) |
static struct ast_channel * | gtalk_request (const char *type, int format, 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_set_rtp_peer (struct ast_channel *chan, struct ast_rtp *rtp, struct ast_rtp *vrtp, int codecs, int nat_active) |
static int | gtalk_show_channels (int fd, int argc, char **argv) |
CLI command "gtalk show channels". | |
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 | reload (void) |
Reload module. | |
static int | unload_module (void) |
Unload the gtalk channel from Asterisk. | |
Variables | |
static struct in_addr | __ourip |
static struct sockaddr_in | bindaddr = { 0, } |
static char | debug_usage [] |
static struct ast_jb_conf | default_jbconf |
static const char | desc [] = "Gtalk Channel" |
static char | externip [16] |
static int | 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_protocol | gtalk_rtp |
RTP driver interface. | |
static struct ast_channel_tech | gtalk_tech |
PBX interface structure for channel registration. | |
static struct io_context * | io |
static char | reload_usage [] |
static struct sched_context * | sched |
Definition in file chan_gtalk.c.
#define GOOGLE_CONFIG "gtalk.conf" |
#define GOOGLE_NS "http://www.google.com/session" |
Definition at line 84 of file chan_gtalk.c.
enum gtalk_connect_type |
Definition at line 102 of file chan_gtalk.c.
00102 { 00103 AJI_CONNECT_STUN = 1, 00104 AJI_CONNECT_LOCAL = 2, 00105 AJI_CONNECT_RELAY = 3, 00106 };
enum gtalk_protocol |
Definition at line 97 of file chan_gtalk.c.
00097 { 00098 AJI_PROTOCOL_UDP = 1, 00099 AJI_PROTOCOL_SSLTCP = 2, 00100 };
static int add_codec_to_answer | ( | const struct gtalk_pvt * | p, | |
int | codec, | |||
iks * | dcodecs | |||
) | [static] |
Definition at line 299 of file chan_gtalk.c.
References ast_getformatname(), ast_log(), ast_rtp_lookup_code(), format, LOG_WARNING, gtalk::p, and gtalk_pvt::rtp.
Referenced by gtalk_invite().
00300 { 00301 char *format = ast_getformatname(codec); 00302 00303 if (!strcasecmp("ulaw", format)) { 00304 iks *payload_eg711u, *payload_pcmu; 00305 payload_pcmu = iks_new("payload-type"); 00306 payload_eg711u = iks_new("payload-type"); 00307 00308 if(!payload_eg711u || !payload_pcmu) { 00309 if(payload_pcmu) 00310 iks_delete(payload_pcmu); 00311 if(payload_eg711u) 00312 iks_delete(payload_eg711u); 00313 ast_log(LOG_WARNING,"Failed to allocate iks node"); 00314 return -1; 00315 } 00316 iks_insert_attrib(payload_pcmu, "id", "0"); 00317 iks_insert_attrib(payload_pcmu, "name", "PCMU"); 00318 iks_insert_attrib(payload_pcmu, "clockrate","8000"); 00319 iks_insert_attrib(payload_pcmu, "bitrate","64000"); 00320 iks_insert_attrib(payload_eg711u, "id", "100"); 00321 iks_insert_attrib(payload_eg711u, "name", "EG711U"); 00322 iks_insert_attrib(payload_eg711u, "clockrate","8000"); 00323 iks_insert_attrib(payload_eg711u, "bitrate","64000"); 00324 iks_insert_node(dcodecs, payload_pcmu); 00325 iks_insert_node(dcodecs, payload_eg711u); 00326 } 00327 if (!strcasecmp("alaw", format)) { 00328 iks *payload_eg711a, *payload_pcma; 00329 payload_pcma = iks_new("payload-type"); 00330 payload_eg711a = iks_new("payload-type"); 00331 if(!payload_eg711a || !payload_pcma) { 00332 if(payload_eg711a) 00333 iks_delete(payload_eg711a); 00334 if(payload_pcma) 00335 iks_delete(payload_pcma); 00336 ast_log(LOG_WARNING,"Failed to allocate iks node"); 00337 return -1; 00338 } 00339 iks_insert_attrib(payload_pcma, "id", "8"); 00340 iks_insert_attrib(payload_pcma, "name", "PCMA"); 00341 iks_insert_attrib(payload_pcma, "clockrate","8000"); 00342 iks_insert_attrib(payload_pcma, "bitrate","64000"); 00343 payload_eg711a = iks_new("payload-type"); 00344 iks_insert_attrib(payload_eg711a, "id", "101"); 00345 iks_insert_attrib(payload_eg711a, "name", "EG711A"); 00346 iks_insert_attrib(payload_eg711a, "clockrate","8000"); 00347 iks_insert_attrib(payload_eg711a, "bitrate","64000"); 00348 iks_insert_node(dcodecs, payload_pcma); 00349 iks_insert_node(dcodecs, payload_eg711a); 00350 } 00351 if (!strcasecmp("ilbc", format)) { 00352 iks *payload_ilbc = iks_new("payload-type"); 00353 if(!payload_ilbc) { 00354 ast_log(LOG_WARNING,"Failed to allocate iks node"); 00355 return -1; 00356 } 00357 iks_insert_attrib(payload_ilbc, "id", "97"); 00358 iks_insert_attrib(payload_ilbc, "name", "iLBC"); 00359 iks_insert_attrib(payload_ilbc, "clockrate","8000"); 00360 iks_insert_attrib(payload_ilbc, "bitrate","13300"); 00361 iks_insert_node(dcodecs, payload_ilbc); 00362 } 00363 if (!strcasecmp("g723", format)) { 00364 iks *payload_g723 = iks_new("payload-type"); 00365 if(!payload_g723) { 00366 ast_log(LOG_WARNING,"Failed to allocate iks node"); 00367 return -1; 00368 } 00369 iks_insert_attrib(payload_g723, "id", "4"); 00370 iks_insert_attrib(payload_g723, "name", "G723"); 00371 iks_insert_attrib(payload_g723, "clockrate","8000"); 00372 iks_insert_attrib(payload_g723, "bitrate","6300"); 00373 iks_insert_node(dcodecs, payload_g723); 00374 } 00375 if (!strcasecmp("speex", format)) { 00376 iks *payload_speex = iks_new("payload-type"); 00377 if(!payload_speex) { 00378 ast_log(LOG_WARNING,"Failed to allocate iks node"); 00379 return -1; 00380 } 00381 iks_insert_attrib(payload_speex, "id", "110"); 00382 iks_insert_attrib(payload_speex, "name", "speex"); 00383 iks_insert_attrib(payload_speex, "clockrate","8000"); 00384 iks_insert_attrib(payload_speex, "bitrate","11000"); 00385 iks_insert_node(dcodecs, payload_speex); 00386 } 00387 ast_rtp_lookup_code(p->rtp, 1, codec); 00388 return 0; 00389 }
AST_MODULE_INFO | ( | ASTERISK_GPL_KEY | , | |
AST_MODFLAG_DEFAULT | , | |||
"Gtalk Channel Driver" | , | |||
. | load = load_module , |
|||
. | unload = unload_module , |
|||
. | reload = reload | |||
) |
AST_MUTEX_DEFINE_STATIC | ( | gtalklock | ) |
Protect the interface list (of gtalk_pvt's)
static struct gtalk* find_gtalk | ( | char * | name, | |
char * | connection | |||
) | [static] |
Definition at line 262 of file chan_gtalk.c.
References ast_strdupa, ast_verbose(), ASTOBJ_CONTAINER_FIND, ASTOBJ_CONTAINER_FIND_FULL, ASTOBJ_CONTAINER_TRAVERSE, ASTOBJ_RDLOCK, gtalk_list, s, strsep(), and gtalk::user.
Referenced by gtalk_request().
00263 { 00264 struct gtalk *gtalk = NULL; 00265 char *domain = NULL , *s = NULL; 00266 00267 if(strchr(connection, '@')) { 00268 s = ast_strdupa(connection); 00269 domain = strsep(&s, "@"); 00270 ast_verbose("OOOOH domain = %s\n", domain); 00271 } 00272 gtalk = ASTOBJ_CONTAINER_FIND(>alk_list, name); 00273 if (!gtalk && strchr(name, '@')) 00274 gtalk = ASTOBJ_CONTAINER_FIND_FULL(>alk_list, name, user,,, strcasecmp); 00275 00276 if (!gtalk) { /* guest call */ 00277 ASTOBJ_CONTAINER_TRAVERSE(>alk_list, 1, { 00278 ASTOBJ_RDLOCK(iterator); 00279 if (!strcasecmp(iterator->name, "guest")) { 00280 if (!strcasecmp(iterator->connection->jid->partial, connection)) { 00281 gtalk = iterator; 00282 } else if (!strcasecmp(iterator->connection->name, connection)) { 00283 gtalk = iterator; 00284 } else if (iterator->connection->component && !strcasecmp(iterator->connection->user,domain)) { 00285 gtalk = iterator; 00286 } 00287 } 00288 ASTOBJ_UNLOCK(iterator); 00289 00290 if (gtalk) 00291 break; 00292 }); 00293 00294 } 00295 return gtalk; 00296 }
static int gtalk_action | ( | struct gtalk * | client, | |
struct gtalk_pvt * | p, | |||
const char * | action | |||
) | [static] |
Definition at line 991 of file chan_gtalk.c.
References ast_aji_increment_mid(), gtalk::connection, gtalk_pvt::initiator, aji_client::mid, aji_client::p, gtalk_pvt::sid, gtalk_pvt::them, and gtalk_pvt::us.
Referenced by gtalk_hangup().
00992 { 00993 iks *request, *session = NULL; 00994 int res = -1; 00995 00996 request = iks_new("iq"); 00997 if (request) { 00998 iks_insert_attrib(request, "type", "set"); 00999 iks_insert_attrib(request, "from", p->us); 01000 iks_insert_attrib(request, "to", p->them); 01001 iks_insert_attrib(request, "id", client->connection->mid); 01002 ast_aji_increment_mid(client->connection->mid); 01003 session = iks_new("session"); 01004 if (session) { 01005 iks_insert_attrib(session, "type", action); 01006 iks_insert_attrib(session, "id", p->sid); 01007 iks_insert_attrib(session, "initiator", p->initiator ? p->us : p->them); 01008 iks_insert_attrib(session, "xmlns", "http://www.google.com/session"); 01009 iks_insert_node(request, session); 01010 iks_send(client->connection->p, request); 01011 iks_delete(session); 01012 res = 0; 01013 } 01014 iks_delete(request); 01015 } 01016 return res; 01017 }
static int gtalk_add_candidate | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 1172 of file chan_gtalk.c.
References AJI_CONNECT_LOCAL, AJI_CONNECT_RELAY, AJI_CONNECT_STUN, AJI_PROTOCOL_SSLTCP, AJI_PROTOCOL_UDP, ast_calloc, gtalk::connection, gtalk_update_stun(), aji_client::jid, gtalk_pvt::laststun, gtalk_pvt::next, aji_client::p, gtalk::p, gtalk_pvt::parent, gtalk_candidate::receipt, and gtalk_pvt::theircandidates.
Referenced by gtalk_parser().
01173 { 01174 struct gtalk_pvt *p = NULL, *tmp = NULL; 01175 struct aji_client *c = client->connection; 01176 struct gtalk_candidate *newcandidate = NULL; 01177 iks *traversenodes = NULL, *receipt = NULL; 01178 char *from; 01179 01180 from = iks_find_attrib(pak->x,"to"); 01181 if(!from) 01182 from = c->jid->full; 01183 01184 newcandidate = ast_calloc(1, sizeof(*newcandidate)); 01185 if (!newcandidate) 01186 return 0; 01187 for (tmp = client->p; tmp; tmp = tmp->next) { 01188 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid)) { 01189 p = tmp; 01190 break; 01191 } 01192 } 01193 01194 if (!p) 01195 return -1; 01196 01197 traversenodes = pak->query; 01198 while(traversenodes) { 01199 if(!strcasecmp(iks_name(traversenodes), "session")) { 01200 traversenodes = iks_child(traversenodes); 01201 continue; 01202 } 01203 if(!strcasecmp(iks_name(traversenodes), "transport")) { 01204 traversenodes = iks_child(traversenodes); 01205 continue; 01206 } 01207 if(!strcasecmp(iks_name(traversenodes), "candidate")) { 01208 newcandidate = ast_calloc(1, sizeof(*newcandidate)); 01209 if (!newcandidate) 01210 return 0; 01211 ast_copy_string(newcandidate->name, iks_find_attrib(traversenodes, "name"), 01212 sizeof(newcandidate->name)); 01213 ast_copy_string(newcandidate->ip, iks_find_attrib(traversenodes, "address"), 01214 sizeof(newcandidate->ip)); 01215 newcandidate->port = atoi(iks_find_attrib(traversenodes, "port")); 01216 ast_copy_string(newcandidate->username, iks_find_attrib(traversenodes, "username"), 01217 sizeof(newcandidate->username)); 01218 ast_copy_string(newcandidate->password, iks_find_attrib(traversenodes, "password"), 01219 sizeof(newcandidate->password)); 01220 newcandidate->preference = atof(iks_find_attrib(traversenodes, "preference")); 01221 if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "udp")) 01222 newcandidate->protocol = AJI_PROTOCOL_UDP; 01223 if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "ssltcp")) 01224 newcandidate->protocol = AJI_PROTOCOL_SSLTCP; 01225 01226 if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "stun")) 01227 newcandidate->type = AJI_CONNECT_STUN; 01228 if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "local")) 01229 newcandidate->type = AJI_CONNECT_LOCAL; 01230 if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "relay")) 01231 newcandidate->type = AJI_CONNECT_RELAY; 01232 ast_copy_string(newcandidate->network, iks_find_attrib(traversenodes, "network"), 01233 sizeof(newcandidate->network)); 01234 newcandidate->generation = atoi(iks_find_attrib(traversenodes, "generation")); 01235 newcandidate->next = NULL; 01236 01237 newcandidate->next = p->theircandidates; 01238 p->theircandidates = newcandidate; 01239 p->laststun = 0; 01240 gtalk_update_stun(p->parent, p); 01241 newcandidate = NULL; 01242 } 01243 traversenodes = iks_next(traversenodes); 01244 } 01245 01246 receipt = iks_new("iq"); 01247 iks_insert_attrib(receipt, "type", "result"); 01248 iks_insert_attrib(receipt, "from", from); 01249 iks_insert_attrib(receipt, "to", iks_find_attrib(pak->x, "from")); 01250 iks_insert_attrib(receipt, "id", iks_find_attrib(pak->x, "id")); 01251 iks_send(c->p, receipt); 01252 iks_delete(receipt); 01253 01254 return 1; 01255 }
static struct gtalk_pvt * gtalk_alloc | ( | struct gtalk * | client, | |
const char * | us, | |||
const char * | them, | |||
const char * | sid | |||
) | [static] |
Definition at line 831 of file chan_gtalk.c.
References ast_calloc, ast_log(), ast_mutex_init(), ast_mutex_lock(), ast_mutex_unlock(), ast_random(), ast_rtp_new_with_bindaddr(), ast_strdupa, ASTOBJ_CONTAINER_FIND, bindaddr, aji_client::buddies, gtalk::buddy, aji_resource::cap, gtalk::connection, exten, free, io, aji_version::jingle, LOG_DEBUG, LOG_ERROR, LOG_WARNING, aji_resource::next, option_debug, gtalk::p, aji_resource::resource, aji_buddy::resources, and strsep().
Referenced by gtalk_newcall(), and gtalk_request().
00832 { 00833 struct gtalk_pvt *tmp = NULL; 00834 struct aji_resource *resources = NULL; 00835 struct aji_buddy *buddy; 00836 char idroster[200]; 00837 char *data, *exten = NULL; 00838 00839 if (option_debug) 00840 ast_log(LOG_DEBUG, "The client is %s for alloc\n", client->name); 00841 if (!sid && !strchr(them, '/')) { /* I started call! */ 00842 if (!strcasecmp(client->name, "guest")) { 00843 buddy = ASTOBJ_CONTAINER_FIND(&client->connection->buddies, them); 00844 if (buddy) 00845 resources = buddy->resources; 00846 } else if (client->buddy) 00847 resources = client->buddy->resources; 00848 while (resources) { 00849 if (resources->cap->jingle) { 00850 break; 00851 } 00852 resources = resources->next; 00853 } 00854 if (resources) 00855 snprintf(idroster, sizeof(idroster), "%s/%s", them, resources->resource); 00856 else { 00857 ast_log(LOG_ERROR, "no gtalk capable clients to talk to.\n"); 00858 return NULL; 00859 } 00860 } 00861 if (!(tmp = ast_calloc(1, sizeof(*tmp)))) { 00862 return NULL; 00863 } 00864 if (sid) { 00865 ast_copy_string(tmp->sid, sid, sizeof(tmp->sid)); 00866 ast_copy_string(tmp->them, them, sizeof(tmp->them)); 00867 ast_copy_string(tmp->us, us, sizeof(tmp->us)); 00868 } else { 00869 snprintf(tmp->sid, sizeof(tmp->sid), "%08lx%08lx", ast_random(), ast_random()); 00870 ast_copy_string(tmp->them, idroster, sizeof(tmp->them)); 00871 ast_copy_string(tmp->us, us, sizeof(tmp->us)); 00872 tmp->initiator = 1; 00873 } 00874 tmp->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr); 00875 tmp->parent = client; 00876 if (!tmp->rtp) { 00877 ast_log(LOG_WARNING, "Out of RTP sessions?\n"); 00878 free(tmp); 00879 return NULL; 00880 } 00881 00882 if(strchr(tmp->us, '/')) { 00883 data = ast_strdupa(tmp->us); 00884 exten = strsep(&data, "/"); 00885 } else 00886 exten = tmp->us; 00887 ast_copy_string(tmp->exten, exten, sizeof(tmp->exten)); 00888 ast_mutex_init(&tmp->lock); 00889 ast_mutex_lock(>alklock); 00890 tmp->next = client->p; 00891 client->p = tmp; 00892 ast_mutex_unlock(>alklock); 00893 return tmp; 00894 }
static int gtalk_answer | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 512 of file chan_gtalk.c.
References ast_log(), ast_mutex_lock(), ast_mutex_unlock(), gtalk_invite(), gtalk_pvt::lock, LOG_DEBUG, option_debug, gtalk_pvt::sid, ast_channel::tech_pvt, gtalk_pvt::them, and gtalk_pvt::us.
00513 { 00514 struct gtalk_pvt *p = ast->tech_pvt; 00515 int res = 0; 00516 00517 if (option_debug) 00518 ast_log(LOG_DEBUG, "Answer!\n"); 00519 ast_mutex_lock(&p->lock); 00520 gtalk_invite(p, p->them, p->us,p->sid, 0); 00521 ast_mutex_unlock(&p->lock); 00522 return res; 00523 }
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 1460 of file chan_gtalk.c.
References ast_channel::_state, ast_log(), ast_setstate(), AST_STATE_DOWN, AST_STATE_RESERVED, AST_STATE_RING, gtalk_pvt::capability, gtalk::connection, aji_client::f, gtalk_create_candidates(), gtalk_invite(), gtalk_ringing_ack(), gtalk_pvt::jointcapability, 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.
01461 { 01462 struct gtalk_pvt *p = ast->tech_pvt; 01463 01464 if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) { 01465 ast_log(LOG_WARNING, "gtalk_call called on %s, neither down nor reserved\n", ast->name); 01466 return -1; 01467 } 01468 01469 ast_setstate(ast, AST_STATE_RING); 01470 p->jointcapability = p->capability; 01471 if (!p->ringrule) { 01472 ast_copy_string(p->ring, p->parent->connection->mid, sizeof(p->ring)); 01473 p->ringrule = iks_filter_add_rule(p->parent->connection->f, gtalk_ringing_ack, p, 01474 IKS_RULE_ID, p->ring, IKS_RULE_DONE); 01475 } else 01476 ast_log(LOG_WARNING, "Whoa, already have a ring rule!\n"); 01477 01478 gtalk_invite(p, p->them, p->us, p->sid, 1); 01479 gtalk_create_candidates(p->parent, p, p->sid, p->them, p->us); 01480 01481 return 0; 01482 }
static int gtalk_create_candidates | ( | struct gtalk * | client, | |
struct gtalk_pvt * | p, | |||
char * | sid, | |||
char * | from, | |||
char * | to | |||
) | [static] |
Definition at line 703 of file chan_gtalk.c.
References __ourip, AJI_CONNECT_LOCAL, AJI_CONNECT_RELAY, AJI_CONNECT_STUN, AJI_PROTOCOL_SSLTCP, AJI_PROTOCOL_UDP, ast_aji_increment_mid(), ast_calloc, ast_find_ourip(), ast_inet_ntoa(), ast_log(), ast_random(), ast_rtp_get_us(), ast_strlen_zero(), bindaddr, gtalk::connection, externip, free, GOOGLE_NS, gtalk_pvt::initiator, gtalk_candidate::ip, gtalk_pvt::laststun, LOG_ERROR, LOG_NOTICE, aji_client::mid, gtalk_candidate::name, gtalk_candidate::next, gtalk_pvt::next, gtalk_pvt::ourcandidates, aji_client::p, 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_call(), and gtalk_newcall().
00704 { 00705 struct gtalk_candidate *tmp; 00706 struct aji_client *c = client->connection; 00707 struct gtalk_candidate *ours1 = NULL, *ours2 = NULL; 00708 struct sockaddr_in sin; 00709 struct sockaddr_in dest; 00710 struct in_addr us; 00711 iks *iq, *gtalk, *candidate, *transport; 00712 char user[17], pass[17], preference[5], port[7]; 00713 00714 00715 iq = iks_new("iq"); 00716 gtalk = iks_new("session"); 00717 candidate = iks_new("candidate"); 00718 transport = iks_new("transport"); 00719 if (!iq || !gtalk || !candidate || !transport) { 00720 ast_log(LOG_ERROR, "Memory allocation error\n"); 00721 goto safeout; 00722 } 00723 ours1 = ast_calloc(1, sizeof(*ours1)); 00724 ours2 = ast_calloc(1, sizeof(*ours2)); 00725 if (!ours1 || !ours2) 00726 goto safeout; 00727 00728 iks_insert_attrib(transport, "xmlns","http://www.google.com/transport/p2p"); 00729 iks_insert_node(iq, gtalk); 00730 iks_insert_node(gtalk,transport); 00731 iks_insert_node(transport, candidate); 00732 00733 for (; p; p = p->next) { 00734 if (!strcasecmp(p->sid, sid)) 00735 break; 00736 } 00737 00738 if (!p) { 00739 ast_log(LOG_NOTICE, "No matching gtalk session - SID %s!\n", sid); 00740 goto safeout; 00741 } 00742 00743 ast_rtp_get_us(p->rtp, &sin); 00744 ast_find_ourip(&us, bindaddr); 00745 00746 /* Setup our gtalk candidates */ 00747 ast_copy_string(ours1->name, "rtp", sizeof(ours1->name)); 00748 ours1->port = ntohs(sin.sin_port); 00749 ours1->preference = 1; 00750 snprintf(user, sizeof(user), "%08lx%08lx", ast_random(), ast_random()); 00751 snprintf(pass, sizeof(pass), "%08lx%08lx", ast_random(), ast_random()); 00752 ast_copy_string(ours1->username, user, sizeof(ours1->username)); 00753 ast_copy_string(ours1->password, pass, sizeof(ours1->password)); 00754 ast_copy_string(ours1->ip, ast_inet_ntoa(us), sizeof(ours1->ip)); 00755 ours1->protocol = AJI_PROTOCOL_UDP; 00756 ours1->type = AJI_CONNECT_LOCAL; 00757 ours1->generation = 0; 00758 p->ourcandidates = ours1; 00759 00760 if (!ast_strlen_zero(externip)) { 00761 /* XXX We should really stun for this one not just go with externip XXX */ 00762 snprintf(user, sizeof(user), "%08lx%08lx", ast_random(), ast_random()); 00763 snprintf(pass, sizeof(pass), "%08lx%08lx", ast_random(), ast_random()); 00764 ast_copy_string(ours2->username, user, sizeof(ours2->username)); 00765 ast_copy_string(ours2->password, pass, sizeof(ours2->password)); 00766 ast_copy_string(ours2->ip, externip, sizeof(ours2->ip)); 00767 ast_copy_string(ours2->name, "rtp", sizeof(ours1->name)); 00768 ours2->port = ntohs(sin.sin_port); 00769 ours2->preference = 0.9; 00770 ours2->protocol = AJI_PROTOCOL_UDP; 00771 ours2->type = AJI_CONNECT_STUN; 00772 ours2->generation = 0; 00773 ours1->next = ours2; 00774 ours2 = NULL; 00775 } 00776 ours1 = NULL; 00777 dest.sin_addr = __ourip; 00778 dest.sin_port = sin.sin_port; 00779 00780 00781 for (tmp = p->ourcandidates; tmp; tmp = tmp->next) { 00782 snprintf(port, sizeof(port), "%d", tmp->port); 00783 snprintf(preference, sizeof(preference), "%.2f", tmp->preference); 00784 iks_insert_attrib(iq, "from", to); 00785 iks_insert_attrib(iq, "to", from); 00786 iks_insert_attrib(iq, "type", "set"); 00787 iks_insert_attrib(iq, "id", c->mid); 00788 ast_aji_increment_mid(c->mid); 00789 iks_insert_attrib(gtalk, "type", "transport-info"); 00790 iks_insert_attrib(gtalk, "id", sid); 00791 iks_insert_attrib(gtalk, "initiator", (p->initiator) ? to : from); 00792 iks_insert_attrib(gtalk, "xmlns", GOOGLE_NS); 00793 iks_insert_attrib(candidate, "name", tmp->name); 00794 iks_insert_attrib(candidate, "address", tmp->ip); 00795 iks_insert_attrib(candidate, "port", port); 00796 iks_insert_attrib(candidate, "username", tmp->username); 00797 iks_insert_attrib(candidate, "password", tmp->password); 00798 iks_insert_attrib(candidate, "preference", preference); 00799 if (tmp->protocol == AJI_PROTOCOL_UDP) 00800 iks_insert_attrib(candidate, "protocol", "udp"); 00801 if (tmp->protocol == AJI_PROTOCOL_SSLTCP) 00802 iks_insert_attrib(candidate, "protocol", "ssltcp"); 00803 if (tmp->type == AJI_CONNECT_STUN) 00804 iks_insert_attrib(candidate, "type", "stun"); 00805 if (tmp->type == AJI_CONNECT_LOCAL) 00806 iks_insert_attrib(candidate, "type", "local"); 00807 if (tmp->type == AJI_CONNECT_RELAY) 00808 iks_insert_attrib(candidate, "type", "relay"); 00809 iks_insert_attrib(candidate, "network", "0"); 00810 iks_insert_attrib(candidate, "generation", "0"); 00811 iks_send(c->p, iq); 00812 } 00813 p->laststun = 0; 00814 00815 safeout: 00816 if (ours1) 00817 free(ours1); 00818 if (ours2) 00819 free(ours2); 00820 if (iq) 00821 iks_delete(iq); 00822 if (gtalk) 00823 iks_delete(gtalk); 00824 if (candidate) 00825 iks_delete(candidate); 00826 if(transport) 00827 iks_delete(transport); 00828 return 1; 00829 }
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 1631 of file chan_gtalk.c.
References gtalk::allowguest, ast_aji_get_client(), ast_log(), ast_parse_allow_disallow(), ASTOBJ_CONTAINER_FIND, aji_client::buddies, gtalk::buddy, gtalk::capability, gtalk::connection, gtalk::context, aji_client::f, gtalk_parser(), LOG_ERROR, LOG_WARNING, gtalk_candidate::next, prefs, gtalk::prefs, gtalk::user, and var.
01634 { 01635 struct aji_client *client; 01636 01637 if (!member) 01638 ast_log(LOG_WARNING, "Out of memory.\n"); 01639 01640 ast_copy_string(member->name, label, sizeof(member->name)); 01641 ast_copy_string(member->user, label, sizeof(member->user)); 01642 ast_copy_string(member->context, context, sizeof(member->context)); 01643 member->allowguest = allowguest; 01644 member->prefs = prefs; 01645 while (var) { 01646 #if 0 01647 struct gtalk_candidate *candidate = NULL; 01648 #endif 01649 if (!strcasecmp(var->name, "username")) 01650 ast_copy_string(member->user, var->value, sizeof(member->user)); 01651 else if (!strcasecmp(var->name, "disallow")) 01652 ast_parse_allow_disallow(&member->prefs, &member->capability, var->value, 0); 01653 else if (!strcasecmp(var->name, "allow")) 01654 ast_parse_allow_disallow(&member->prefs, &member->capability, var->value, 1); 01655 else if (!strcasecmp(var->name, "context")) 01656 ast_copy_string(member->context, var->value, sizeof(member->context)); 01657 #if 0 01658 else if (!strcasecmp(var->name, "candidate")) { 01659 candidate = gtalk_create_candidate(var->value); 01660 if (candidate) { 01661 candidate->next = member->ourcandidates; 01662 member->ourcandidates = candidate; 01663 } 01664 } 01665 #endif 01666 else if (!strcasecmp(var->name, "connection")) { 01667 if ((client = ast_aji_get_client(var->value))) { 01668 member->connection = client; 01669 iks_filter_add_rule(client->f, gtalk_parser, member, IKS_RULE_TYPE, 01670 IKS_PAK_IQ, IKS_RULE_FROM_PARTIAL, member->user, 01671 IKS_RULE_NS, "http://www.google.com/session", 01672 IKS_RULE_DONE); 01673 01674 } else { 01675 ast_log(LOG_ERROR, "connection referenced not found!\n"); 01676 return 0; 01677 } 01678 } 01679 var = var->next; 01680 } 01681 if (member->connection && member->user) 01682 member->buddy = ASTOBJ_CONTAINER_FIND(&member->connection->buddies, member->user); 01683 else { 01684 ast_log(LOG_ERROR, "No Connection or Username!\n"); 01685 } 01686 return 1; 01687 }
static int gtalk_digit | ( | struct ast_channel * | ast, | |
char | digit, | |||
unsigned int | duration | |||
) | [static] |
Definition at line 1385 of file chan_gtalk.c.
References ast_aji_increment_mid(), AST_FRAME_DTMF_BEGIN, AST_FRAME_DTMF_END, ast_log(), ast_mutex_lock(), ast_mutex_unlock(), gtalk::connection, ast_channel::dtmff, ast_frame::frametype, gtalk_pvt::initiator, gtalk_pvt::lock, LOG_ERROR, aji_client::mid, aji_client::p, gtalk::p, gtalk_pvt::parent, gtalk_pvt::sid, ast_channel::tech_pvt, gtalk_pvt::them, and gtalk_pvt::us.
Referenced by gtalk_digit_begin(), and gtalk_digit_end().
01386 { 01387 struct gtalk_pvt *p = ast->tech_pvt; 01388 struct gtalk *client = p->parent; 01389 iks *iq, *gtalk, *dtmf; 01390 char buffer[2] = {digit, '\0'}; 01391 iq = iks_new("iq"); 01392 gtalk = iks_new("gtalk"); 01393 dtmf = iks_new("dtmf"); 01394 if(!iq || !gtalk || !dtmf) { 01395 if(iq) 01396 iks_delete(iq); 01397 if(gtalk) 01398 iks_delete(gtalk); 01399 if(dtmf) 01400 iks_delete(dtmf); 01401 ast_log(LOG_ERROR, "Did not send dtmf do to memory issue\n"); 01402 return -1; 01403 } 01404 01405 iks_insert_attrib(iq, "type", "set"); 01406 iks_insert_attrib(iq, "to", p->them); 01407 iks_insert_attrib(iq, "from", p->us); 01408 iks_insert_attrib(iq, "id", client->connection->mid); 01409 ast_aji_increment_mid(client->connection->mid); 01410 iks_insert_attrib(gtalk, "xmlns", "http://jabber.org/protocol/gtalk"); 01411 iks_insert_attrib(gtalk, "action", "content-info"); 01412 iks_insert_attrib(gtalk, "initiator", p->initiator ? p->us: p->them); 01413 iks_insert_attrib(gtalk, "sid", p->sid); 01414 iks_insert_attrib(dtmf, "xmlns", "http://jabber.org/protocol/gtalk/info/dtmf"); 01415 iks_insert_attrib(dtmf, "code", buffer); 01416 iks_insert_node(iq, gtalk); 01417 iks_insert_node(gtalk, dtmf); 01418 01419 ast_mutex_lock(&p->lock); 01420 if (ast->dtmff.frametype == AST_FRAME_DTMF_BEGIN) { 01421 iks_insert_attrib(dtmf, "action", "button-down"); 01422 } else if (ast->dtmff.frametype == AST_FRAME_DTMF_END) { 01423 iks_insert_attrib(dtmf, "action", "button-up"); 01424 } 01425 iks_send(client->connection->p, iq); 01426 iks_delete(iq); 01427 iks_delete(gtalk); 01428 iks_delete(dtmf); 01429 ast_mutex_unlock(&p->lock); 01430 return 0; 01431 }
static int gtalk_digit_begin | ( | struct ast_channel * | ast, | |
char | digit | |||
) | [static] |
Definition at line 1375 of file chan_gtalk.c.
References gtalk_digit().
01376 { 01377 return gtalk_digit(chan, digit, 0); 01378 }
static int gtalk_digit_end | ( | struct ast_channel * | ast, | |
char | digit, | |||
unsigned int | duration | |||
) | [static] |
Definition at line 1380 of file chan_gtalk.c.
References gtalk_digit().
01381 { 01382 return gtalk_digit(chan, digit, duration); 01383 }
static int gtalk_do_reload | ( | int | fd, | |
int | argc, | |||
char ** | argv | |||
) | [static] |
CLI command "gtalk show channels".
Definition at line 1551 of file chan_gtalk.c.
References ast_verbose(), and RESULT_SUCCESS.
01552 { 01553 ast_verbose("IT DOES WORK!\n"); 01554 return RESULT_SUCCESS; 01555 }
static int gtalk_fixup | ( | struct ast_channel * | oldchan, | |
struct ast_channel * | newchan | |||
) | [static] |
Definition at line 1341 of file chan_gtalk.c.
References ast_mutex_lock(), ast_mutex_unlock(), gtalk_pvt::lock, gtalk_pvt::owner, and ast_channel::tech_pvt.
01342 { 01343 struct gtalk_pvt *p = newchan->tech_pvt; 01344 ast_mutex_lock(&p->lock); 01345 01346 if ((p->owner != oldchan)) { 01347 ast_mutex_unlock(&p->lock); 01348 return -1; 01349 } 01350 if (p->owner == oldchan) 01351 p->owner = newchan; 01352 ast_mutex_unlock(&p->lock); 01353 return 0; 01354 }
static void gtalk_free_candidates | ( | struct gtalk_candidate * | candidate | ) | [static] |
Definition at line 1019 of file chan_gtalk.c.
References free, last, and gtalk_candidate::next.
Referenced by gtalk_free_pvt().
01020 { 01021 struct gtalk_candidate *last; 01022 while (candidate) { 01023 last = candidate; 01024 candidate = candidate->next; 01025 free(last); 01026 } 01027 }
Definition at line 1029 of file chan_gtalk.c.
References ast_log(), ast_rtp_destroy(), gtalk::connection, aji_client::f, free, 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().
01030 { 01031 struct gtalk_pvt *cur, *prev = NULL; 01032 cur = client->p; 01033 while (cur) { 01034 if (cur == p) { 01035 if (prev) 01036 prev->next = p->next; 01037 else 01038 client->p = p->next; 01039 break; 01040 } 01041 prev = cur; 01042 cur = cur->next; 01043 } 01044 if (p->ringrule) 01045 iks_filter_remove_rule(p->parent->connection->f, p->ringrule); 01046 if (p->owner) 01047 ast_log(LOG_WARNING, "Uh oh, there's an owner, this is going to be messy.\n"); 01048 if (p->rtp) 01049 ast_rtp_destroy(p->rtp); 01050 if (p->vrtp) 01051 ast_rtp_destroy(p->vrtp); 01052 gtalk_free_candidates(p->theircandidates); 01053 free(p); 01054 }
static int gtalk_get_codec | ( | struct ast_channel * | chan | ) | [static] |
Definition at line 543 of file chan_gtalk.c.
References gtalk_pvt::peercapability, and ast_channel::tech_pvt.
00544 { 00545 struct gtalk_pvt *p = chan->tech_pvt; 00546 return p->peercapability; 00547 }
static enum ast_rtp_get_result gtalk_get_rtp_peer | ( | struct ast_channel * | chan, | |
struct ast_rtp ** | rtp | |||
) | [static] |
Definition at line 525 of file chan_gtalk.c.
References ast_mutex_lock(), ast_mutex_unlock(), AST_RTP_GET_FAILED, AST_RTP_TRY_PARTIAL, gtalk_pvt::lock, gtalk_pvt::rtp, and ast_channel::tech_pvt.
00526 { 00527 struct gtalk_pvt *p = chan->tech_pvt; 00528 enum ast_rtp_get_result res = AST_RTP_GET_FAILED; 00529 00530 if (!p) 00531 return res; 00532 00533 ast_mutex_lock(&p->lock); 00534 if (p->rtp){ 00535 *rtp = p->rtp; 00536 res = AST_RTP_TRY_PARTIAL; 00537 } 00538 ast_mutex_unlock(&p->lock); 00539 00540 return res; 00541 }
static int gtalk_handle_dtmf | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 625 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, f, gtalk_response(), aji_client::jid, LOG_NOTICE, gtalk_pvt::next, gtalk_pvt::owner, gtalk::p, and gtalk_pvt::sid.
Referenced by gtalk_parser().
00626 { 00627 struct gtalk_pvt *tmp; 00628 iks *dtmfnode = NULL; 00629 char *dtmf; 00630 char *from; 00631 /* Make sure our new call doesn't exist yet */ 00632 for (tmp = client->p; tmp; tmp = tmp->next) { 00633 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid)) 00634 break; 00635 } 00636 from = iks_find_attrib(pak->x, "to"); 00637 if(!from) 00638 from = client->connection->jid->full; 00639 00640 00641 if (tmp) { 00642 if(iks_find_with_attrib(pak->x, "dtmf-method", "method", "rtp")) { 00643 gtalk_response(client, from, pak, 00644 "feature-not-implemented xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'", 00645 "unsupported-dtmf-method xmlns='http://jabber.org/protocol/gtalk/info/dtmf#errors'"); 00646 return -1; 00647 } 00648 if ((dtmfnode = iks_find(pak->x, "dtmf"))) { 00649 if((dtmf = iks_find_attrib(dtmfnode, "code"))) { 00650 if(iks_find_with_attrib(pak->x, "dtmf", "action", "button-up")) { 00651 struct ast_frame f = {AST_FRAME_DTMF_BEGIN, }; 00652 f.subclass = dtmf[0]; 00653 ast_queue_frame(tmp->owner, &f); 00654 ast_verbose("GOOGLE! DTMF-relay event received: %c\n", f.subclass); 00655 } else if(iks_find_with_attrib(pak->x, "dtmf", "action", "button-down")) { 00656 struct ast_frame f = {AST_FRAME_DTMF_END, }; 00657 f.subclass = dtmf[0]; 00658 ast_queue_frame(tmp->owner, &f); 00659 ast_verbose("GOOGLE! DTMF-relay event received: %c\n", f.subclass); 00660 } else if(iks_find_attrib(pak->x, "dtmf")) { /* 250 millasecond default */ 00661 struct ast_frame f = {AST_FRAME_DTMF, }; 00662 f.subclass = dtmf[0]; 00663 ast_queue_frame(tmp->owner, &f); 00664 ast_verbose("GOOGLE! DTMF-relay event received: %c\n", f.subclass); 00665 } 00666 } 00667 } 00668 gtalk_response(client, from, pak, NULL, NULL); 00669 return 1; 00670 } else 00671 ast_log(LOG_NOTICE, "Whoa, didn't find call!\n"); 00672 00673 gtalk_response(client, from, pak, NULL, NULL); 00674 return 1; 00675 }
static int gtalk_hangup | ( | struct ast_channel * | ast | ) | [static] |
Hangup a call through the gtalk proxy channel.
Definition at line 1485 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::p, gtalk_pvt::parent, and ast_channel::tech_pvt.
01486 { 01487 struct gtalk_pvt *p = ast->tech_pvt; 01488 struct gtalk *client; 01489 01490 ast_mutex_lock(&p->lock); 01491 client = p->parent; 01492 p->owner = NULL; 01493 ast->tech_pvt = NULL; 01494 if (!p->alreadygone) 01495 gtalk_action(client, p, "terminate"); 01496 ast_mutex_unlock(&p->lock); 01497 01498 gtalk_free_pvt(client, p); 01499 ast_module_unref(ast_module_info->self); 01500 01501 return 0; 01502 }
static int gtalk_hangup_farend | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 678 of file chan_gtalk.c.
References gtalk_pvt::alreadygone, ast_log(), ast_queue_hangup(), gtalk::connection, gtalk_response(), aji_client::jid, LOG_DEBUG, LOG_NOTICE, gtalk_pvt::next, gtalk_pvt::owner, gtalk::p, and gtalk_pvt::sid.
Referenced by gtalk_parser().
00679 { 00680 struct gtalk_pvt *tmp; 00681 char *from; 00682 00683 ast_log(LOG_DEBUG, "The client is %s\n", client->name); 00684 /* Make sure our new call doesn't exist yet */ 00685 for (tmp = client->p; tmp; tmp = tmp->next) { 00686 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid)) 00687 break; 00688 } 00689 from = iks_find_attrib(pak->x, "to"); 00690 if(!from) 00691 from = client->connection->jid->full; 00692 00693 if (tmp) { 00694 tmp->alreadygone = 1; 00695 if (tmp->owner) 00696 ast_queue_hangup(tmp->owner); 00697 } else 00698 ast_log(LOG_NOTICE, "Whoa, didn't find call!\n"); 00699 gtalk_response(client, from, pak, NULL, NULL); 00700 return 1; 00701 }
static int gtalk_indicate | ( | struct ast_channel * | ast, | |
int | condition, | |||
const void * | data, | |||
size_t | datalen | |||
) | [static] |
Definition at line 1356 of file chan_gtalk.c.
References AST_CONTROL_HOLD, AST_CONTROL_UNHOLD, ast_log(), ast_moh_start(), ast_moh_stop(), and LOG_NOTICE.
01357 { 01358 int res = 0; 01359 01360 switch (condition) { 01361 case AST_CONTROL_HOLD: 01362 ast_moh_start(ast, data, NULL); 01363 break; 01364 case AST_CONTROL_UNHOLD: 01365 ast_moh_stop(ast); 01366 break; 01367 default: 01368 ast_log(LOG_NOTICE, "Don't know how to indicate condition '%d'\n", condition); 01369 res = -1; 01370 } 01371 01372 return res; 01373 }
static int gtalk_invite | ( | struct gtalk_pvt * | p, | |
char * | to, | |||
char * | from, | |||
char * | sid, | |||
int | initiator | |||
) | [static] |
Definition at line 391 of file chan_gtalk.c.
References add_codec_to_answer(), ast_aji_increment_mid(), ast_codec_pref_index(), ast_log(), gtalk::capability, gtalk::connection, LOG_ERROR, aji_client::mid, aji_client::p, gtalk::p, gtalk_pvt::parent, and gtalk::prefs.
Referenced by gtalk_answer(), and gtalk_call().
00392 { 00393 struct gtalk *client = p->parent; 00394 iks *iq, *gtalk, *dcodecs, *payload_telephone, *transport; 00395 int x; 00396 int pref_codec = 0; 00397 int alreadysent = 0; 00398 00399 00400 iq = iks_new("iq"); 00401 gtalk = iks_new("session"); 00402 dcodecs = iks_new("description"); 00403 transport = iks_new("transport"); 00404 payload_telephone = iks_new("payload-type"); 00405 if (!(iq && gtalk && dcodecs && transport && payload_telephone)){ 00406 if(iq) 00407 iks_delete(iq); 00408 if(gtalk) 00409 iks_delete(gtalk); 00410 if(dcodecs) 00411 iks_delete(dcodecs); 00412 if(transport) 00413 iks_delete(transport); 00414 if(payload_telephone) 00415 iks_delete(payload_telephone); 00416 00417 ast_log(LOG_ERROR, "Could not allocate iksemel nodes\n"); 00418 return 0; 00419 } 00420 iks_insert_attrib(dcodecs, "xmlns", "http://www.google.com/session/phone"); 00421 iks_insert_attrib(dcodecs, "xml:lang", "en"); 00422 00423 for (x = 0; x < 32; x++) { 00424 if (!(pref_codec = ast_codec_pref_index(&client->prefs, x))) 00425 break; 00426 if (!(client->capability & pref_codec)) 00427 continue; 00428 if (alreadysent & pref_codec) 00429 continue; 00430 add_codec_to_answer(p, pref_codec, dcodecs); 00431 alreadysent |= pref_codec; 00432 } 00433 00434 iks_insert_attrib(payload_telephone, "id", "106"); 00435 iks_insert_attrib(payload_telephone, "name", "telephone-event"); 00436 iks_insert_attrib(payload_telephone, "clockrate", "8000"); 00437 00438 iks_insert_attrib(transport,"xmlns","http://www.google.com/transport/p2p"); 00439 00440 iks_insert_attrib(iq, "type", "set"); 00441 iks_insert_attrib(iq, "to", to); 00442 iks_insert_attrib(iq, "from", from); 00443 iks_insert_attrib(iq, "id", client->connection->mid); 00444 ast_aji_increment_mid(client->connection->mid); 00445 00446 iks_insert_attrib(gtalk, "xmlns", "http://www.google.com/session"); 00447 iks_insert_attrib(gtalk, "type",initiator ? "initiate": "accept"); 00448 iks_insert_attrib(gtalk, "initiator", initiator ? from : to); 00449 iks_insert_attrib(gtalk, "id", sid); 00450 iks_insert_node(iq, gtalk); 00451 iks_insert_node(gtalk, dcodecs); 00452 iks_insert_node(gtalk, transport); 00453 iks_insert_node(dcodecs, payload_telephone); 00454 00455 iks_send(client->connection->p, iq); 00456 iks_delete(payload_telephone); 00457 iks_delete(transport); 00458 iks_delete(dcodecs); 00459 iks_delete(gtalk); 00460 iks_delete(iq); 00461 return 1; 00462 }
static int gtalk_invite_response | ( | struct gtalk_pvt * | p, | |
char * | to, | |||
char * | from, | |||
char * | sid, | |||
int | initiator | |||
) | [static] |
Definition at line 464 of file chan_gtalk.c.
References ast_aji_increment_mid(), ast_log(), gtalk::connection, LOG_ERROR, aji_client::mid, aji_client::p, gtalk::p, and gtalk_pvt::parent.
Referenced by gtalk_newcall().
00465 { 00466 iks *iq, *session, *transport; 00467 iq = iks_new("iq"); 00468 session = iks_new("session"); 00469 transport = iks_new("transport"); 00470 if(!(iq && session && transport)) { 00471 if(iq) 00472 iks_delete(iq); 00473 if(session) 00474 iks_delete(session); 00475 if(transport) 00476 iks_delete(transport); 00477 ast_log(LOG_ERROR, " Unable to allocate IKS node\n"); 00478 return -1; 00479 } 00480 iks_insert_attrib(iq, "from", from); 00481 iks_insert_attrib(iq, "to", to); 00482 iks_insert_attrib(iq, "type", "set"); 00483 iks_insert_attrib(iq, "id",p->parent->connection->mid); 00484 ast_aji_increment_mid(p->parent->connection->mid); 00485 iks_insert_attrib(session, "type", "transport-accept"); 00486 iks_insert_attrib(session, "id", sid); 00487 iks_insert_attrib(session, "initiator", initiator ? from : to); 00488 iks_insert_attrib(session, "xmlns", "http://www.google.com/session"); 00489 iks_insert_attrib(transport, "xmlns", "http://www.google.com/transport/p2p"); 00490 iks_insert_node(iq,session); 00491 iks_insert_node(session,transport); 00492 iks_send(p->parent->connection->p, iq); 00493 iks_delete(transport); 00494 iks_delete(session); 00495 iks_delete(iq); 00496 return 1; 00497 00498 }
static int gtalk_is_answered | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 601 of file chan_gtalk.c.
References AST_CONTROL_ANSWER, ast_log(), ast_queue_control(), gtalk::connection, gtalk_response(), aji_client::jid, LOG_DEBUG, LOG_NOTICE, gtalk_pvt::next, gtalk_pvt::owner, gtalk::p, and gtalk_pvt::sid.
Referenced by gtalk_parser().
00602 { 00603 struct gtalk_pvt *tmp; 00604 char *from; 00605 ast_log(LOG_DEBUG, "The client is %s\n", client->name); 00606 /* Make sure our new call doesn't exist yet */ 00607 for (tmp = client->p; tmp; tmp = tmp->next) { 00608 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid)) 00609 break; 00610 } 00611 00612 from = iks_find_attrib(pak->x, "to"); 00613 if(!from) 00614 from = client->connection->jid->full; 00615 00616 if (tmp) { 00617 if (tmp->owner) 00618 ast_queue_control(tmp->owner, AST_CONTROL_ANSWER); 00619 } else 00620 ast_log(LOG_NOTICE, "Whoa, didn't find call!\n"); 00621 gtalk_response(client, from, pak, NULL, NULL); 00622 return 1; 00623 }
static int gtalk_load_config | ( | void | ) | [static] |
Definition at line 1689 of file chan_gtalk.c.
References ahp, ast_category_browse(), ast_config_load(), ast_gethostbyname(), ast_jb_read_conf(), ast_log(), ast_parse_allow_disallow(), ast_true(), ast_variable_browse(), ast_variable_retrieve(), bindaddr, clients, context, default_jbconf, global_capability, global_jbconf, GOOGLE_CONFIG, hp, LOG_WARNING, prefs, and var.
Referenced by load_module().
01690 { 01691 char *cat = NULL; 01692 struct ast_config *cfg = NULL; 01693 char context[100]; 01694 int allowguest = 1; 01695 struct ast_variable *var; 01696 struct gtalk *member; 01697 struct ast_codec_pref prefs; 01698 struct aji_client_container *clients; 01699 struct gtalk_candidate *global_candidates = NULL; 01700 struct hostent *hp; 01701 struct ast_hostent ahp; 01702 01703 cfg = ast_config_load(GOOGLE_CONFIG); 01704 if (!cfg) 01705 return 0; 01706 01707 /* Copy the default jb config over global_jbconf */ 01708 memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf)); 01709 01710 cat = ast_category_browse(cfg, NULL); 01711 for (var = ast_variable_browse(cfg, "general"); var; var = var->next) { 01712 /* handle jb conf */ 01713 if (!ast_jb_read_conf(&global_jbconf, var->name, var->value)) 01714 continue; 01715 01716 if (!strcasecmp(var->name, "allowguest")) 01717 allowguest = 01718 (ast_true(ast_variable_retrieve(cfg, "general", "allowguest"))) ? 1 : 0; 01719 else if (!strcasecmp(var->name, "disallow")) 01720 ast_parse_allow_disallow(&prefs, &global_capability, var->value, 0); 01721 else if (!strcasecmp(var->name, "allow")) 01722 ast_parse_allow_disallow(&prefs, &global_capability, var->value, 1); 01723 else if (!strcasecmp(var->name, "context")) 01724 ast_copy_string(context, var->value, sizeof(context)); 01725 else if (!strcasecmp(var->name, "bindaddr")) { 01726 if (!(hp = ast_gethostbyname(var->value, &ahp))) { 01727 ast_log(LOG_WARNING, "Invalid address: %s\n", var->value); 01728 } else { 01729 memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr)); 01730 } 01731 } 01732 /* Idea to allow for custom candidates */ 01733 /* 01734 else if (!strcasecmp(var->name, "candidate")) { 01735 candidate = gtalk_create_candidate(var->value); 01736 if (candidate) { 01737 candidate->next = global_candidates; 01738 global_candidates = candidate; 01739 } 01740 } 01741 */ 01742 } 01743 while (cat) { 01744 if (strcasecmp(cat, "general")) { 01745 var = ast_variable_browse(cfg, cat); 01746 member = (struct gtalk *) malloc(sizeof(struct gtalk)); 01747 memset(member, 0, sizeof(struct gtalk)); 01748 ASTOBJ_INIT(member); 01749 ASTOBJ_WRLOCK(member); 01750 if (!strcasecmp(cat, "guest")) { 01751 ast_copy_string(member->name, "guest", sizeof(member->name)); 01752 ast_copy_string(member->user, "guest", sizeof(member->user)); 01753 ast_copy_string(member->context, context, sizeof(member->context)); 01754 member->allowguest = allowguest; 01755 member->prefs = prefs; 01756 while (var) { 01757 if (!strcasecmp(var->name, "disallow")) 01758 ast_parse_allow_disallow(&member->prefs, &member->capability, 01759 var->value, 0); 01760 else if (!strcasecmp(var->name, "allow")) 01761 ast_parse_allow_disallow(&member->prefs, &member->capability, 01762 var->value, 1); 01763 else if (!strcasecmp(var->name, "context")) 01764 ast_copy_string(member->context, var->value, 01765 sizeof(member->context)); 01766 /* Idea to allow for custom candidates */ 01767 /* 01768 else if (!strcasecmp(var->name, "candidate")) { 01769 candidate = gtalk_create_candidate(var->value); 01770 if (candidate) { 01771 candidate->next = member->ourcandidates; 01772 member->ourcandidates = candidate; 01773 } 01774 } 01775 */ 01776 var = var->next; 01777 } 01778 ASTOBJ_UNLOCK(member); 01779 clients = ast_aji_get_clients(); 01780 if (clients) { 01781 ASTOBJ_CONTAINER_TRAVERSE(clients, 1, { 01782 ASTOBJ_WRLOCK(iterator); 01783 ASTOBJ_WRLOCK(member); 01784 member->connection = iterator; 01785 iks_filter_add_rule(iterator->f, gtalk_parser, member, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_NS, 01786 "http://www.google.com/session", IKS_RULE_DONE); 01787 ASTOBJ_UNLOCK(member); 01788 ASTOBJ_CONTAINER_LINK(>alk_list, member); 01789 ASTOBJ_UNLOCK(iterator); 01790 }); 01791 } else { 01792 ASTOBJ_UNLOCK(member); 01793 ASTOBJ_UNREF(member, gtalk_member_destroy); 01794 } 01795 } else { 01796 ASTOBJ_UNLOCK(member); 01797 if (gtalk_create_member(cat, var, allowguest, prefs, context, member)) 01798 ASTOBJ_CONTAINER_LINK(>alk_list, member); 01799 ASTOBJ_UNREF(member, gtalk_member_destroy); 01800 } 01801 } 01802 cat = ast_category_browse(cfg, cat); 01803 } 01804 gtalk_free_candidates(global_candidates); 01805 return 1; 01806 }
static void gtalk_member_destroy | ( | struct gtalk * | obj | ) | [static] |
Definition at line 257 of file chan_gtalk.c.
References free.
Referenced by gtalk_parser(), and unload_module().
00258 { 00259 free(obj); 00260 }
static struct ast_channel* gtalk_new | ( | struct gtalk * | client, | |
struct gtalk_pvt * | i, | |||
int | state, | |||
const char * | title | |||
) | [static] |
Start new gtalk channel.
Definition at line 897 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_codec_choose(), AST_FORMAT_VIDEO_MASK, ast_hangup(), ast_jb_configure(), ast_log(), ast_module_ref(), ast_pbx_start(), ast_random(), ast_rtcp_fd(), ast_rtp_fd(), ast_rtp_setstun(), AST_STATE_DOWN, AST_STATE_RING, ast_strdup, ast_strdupa, ast_string_field_set, ast_strlen_zero(), gtalk::callgroup, ast_channel::callgroup, gtalk::callingpres, gtalk_pvt::capability, ast_channel::cid, ast_callerid::cid_ani, ast_callerid::cid_dnid, gtalk_pvt::cid_name, gtalk_pvt::cid_num, ast_callerid::cid_pres, ast_channel::context, gtalk::context, ast_channel::data, ast_channel::exten, gtalk_pvt::exten, ast_channel::fds, fmt, global_capability, global_jbconf, gtalk_tech, ast_channel::hangupcause, gtalk_pvt::jointcapability, language, gtalk::language, LOG_WARNING, musicclass, gtalk::musicclass, ast_channel::nativeformats, gtalk_pvt::owner, gtalk::pickupgroup, ast_channel::pickupgroup, gtalk_pvt::prefs, ast_channel::priority, ast_channel::rawreadformat, ast_channel::rawwriteformat, ast_channel::readformat, ast_channel::rings, gtalk_pvt::rtp, strsep(), ast_channel::tech, ast_channel::tech_pvt, gtalk_pvt::them, gtalk_pvt::us, gtalk::user, gtalk_pvt::vrtp, and ast_channel::writeformat.
Referenced by gtalk_newcall(), and gtalk_request().
00898 { 00899 struct ast_channel *tmp; 00900 int fmt; 00901 int what; 00902 const char *n2; 00903 char *data = NULL, *cid = NULL; 00904 00905 if (title) 00906 n2 = title; 00907 else 00908 n2 = i->us; 00909 tmp = ast_channel_alloc(1, state, i->cid_num, i->cid_name, client->accountcode, i->exten, client->context, client->amaflags, "Gtalk/%s-%04lx", n2, ast_random() & 0xffff); 00910 if (!tmp) { 00911 ast_log(LOG_WARNING, "Unable to allocate Gtalk channel structure!\n"); 00912 return NULL; 00913 } 00914 tmp->tech = >alk_tech; 00915 00916 /* Select our native format based on codec preference until we receive 00917 something from another device to the contrary. */ 00918 /* ast_verbose("XXXXXXXXXXXXX\nXXX i->jointcapability = %X\nXXX i->capability = %X\nXXX global_capability %X\n XXXXXXXXXXXX\n",i->jointcapability,i->capability,global_capability); */ 00919 if (i->jointcapability) 00920 what = i->jointcapability; 00921 else if (i->capability) 00922 what = i->capability; 00923 else 00924 what = global_capability; 00925 tmp->nativeformats = ast_codec_choose(&i->prefs, what, 1) | (i->jointcapability & AST_FORMAT_VIDEO_MASK); 00926 fmt = ast_best_codec(tmp->nativeformats); 00927 00928 if (i->rtp) { 00929 ast_rtp_setstun(i->rtp, 1); 00930 tmp->fds[0] = ast_rtp_fd(i->rtp); 00931 tmp->fds[1] = ast_rtcp_fd(i->rtp); 00932 } 00933 if (i->vrtp) { 00934 ast_rtp_setstun(i->rtp, 1); 00935 tmp->fds[2] = ast_rtp_fd(i->vrtp); 00936 tmp->fds[3] = ast_rtcp_fd(i->vrtp); 00937 } 00938 if (state == AST_STATE_RING) 00939 tmp->rings = 1; 00940 tmp->adsicpe = AST_ADSI_UNAVAILABLE; 00941 tmp->writeformat = fmt; 00942 tmp->rawwriteformat = fmt; 00943 tmp->readformat = fmt; 00944 tmp->rawreadformat = fmt; 00945 tmp->tech_pvt = i; 00946 00947 tmp->callgroup = client->callgroup; 00948 tmp->pickupgroup = client->pickupgroup; 00949 tmp->cid.cid_pres = client->callingpres; 00950 if (!ast_strlen_zero(client->accountcode)) 00951 ast_string_field_set(tmp, accountcode, client->accountcode); 00952 if (client->amaflags) 00953 tmp->amaflags = client->amaflags; 00954 if (!ast_strlen_zero(client->language)) 00955 ast_string_field_set(tmp, language, client->language); 00956 if (!ast_strlen_zero(client->musicclass)) 00957 ast_string_field_set(tmp, musicclass, client->musicclass); 00958 i->owner = tmp; 00959 ast_module_ref(ast_module_info->self); 00960 ast_copy_string(tmp->context, client->context, sizeof(tmp->context)); 00961 ast_copy_string(tmp->exten, i->exten, sizeof(tmp->exten)); 00962 /* Don't use ast_set_callerid() here because it will 00963 * generate a needless NewCallerID event */ 00964 if (!strcasecmp(client->name, "guest")) { 00965 data = ast_strdupa(i->them); 00966 if (strchr(data, '/')) { 00967 cid = strsep(&data, "/"); 00968 } else 00969 cid = data; 00970 } else { 00971 data = ast_strdupa(client->user); 00972 cid = data; 00973 } 00974 cid = strsep(&cid, "@"); 00975 tmp->cid.cid_ani = ast_strdup(cid); 00976 if (!ast_strlen_zero(i->exten) && strcmp(i->exten, "s")) 00977 tmp->cid.cid_dnid = ast_strdup(i->exten); 00978 tmp->priority = 1; 00979 if (i->rtp) 00980 ast_jb_configure(tmp, &global_jbconf); 00981 if (state != AST_STATE_DOWN && ast_pbx_start(tmp)) { 00982 ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name); 00983 tmp->hangupcause = AST_CAUSE_SWITCH_CONGESTION; 00984 ast_hangup(tmp); 00985 tmp = NULL; 00986 } 00987 00988 return tmp; 00989 }
static int gtalk_newcall | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 1057 of file chan_gtalk.c.
References ast_log(), ast_mutex_lock(), ast_mutex_unlock(), AST_PBX_CALL_LIMIT, AST_PBX_FAILED, ast_pbx_start(), AST_PBX_SUCCESS, ast_rtp_set_m_type(), ast_rtp_set_rtpmap_type(), ast_setstate(), AST_STATE_DOWN, AST_STATE_RING, gtalk::connection, gtalk_alloc(), gtalk_create_candidates(), gtalk_free_pvt(), gtalk_invite_response(), gtalk_new(), gtalk_response(), aji_client::jid, gtalk_pvt::lock, LOG_NOTICE, LOG_WARNING, gtalk_pvt::next, gtalk::p, gtalk_pvt::rtp, gtalk_pvt::sid, gtalk_pvt::them, and gtalk_pvt::us.
Referenced by gtalk_parser().
01058 { 01059 struct gtalk_pvt *p, *tmp = client->p; 01060 struct ast_channel *chan; 01061 int res; 01062 iks *codec; 01063 char *from = NULL; 01064 /* Make sure our new call doesn't exist yet */ 01065 from = iks_find_attrib(pak->x,"to"); 01066 if(!from) 01067 from = client->connection->jid->full; 01068 01069 while (tmp) { 01070 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid)) { 01071 ast_log(LOG_NOTICE, "Ignoring duplicate call setup on SID %s\n", tmp->sid); 01072 gtalk_response(client, from, pak, "out-of-order", NULL); 01073 return -1; 01074 } 01075 tmp = tmp->next; 01076 } 01077 01078 p = gtalk_alloc(client, from, pak->from->full, iks_find_attrib(pak->query, "id")); 01079 if (!p) { 01080 ast_log(LOG_WARNING, "Unable to allocate gtalk structure!\n"); 01081 return -1; 01082 } 01083 chan = gtalk_new(client, p, AST_STATE_DOWN, pak->from->user); 01084 if (chan) { 01085 ast_mutex_lock(&p->lock); 01086 ast_copy_string(p->them, pak->from->full, sizeof(p->them)); 01087 if (iks_find_attrib(pak->query, "id")) { 01088 ast_copy_string(p->sid, iks_find_attrib(pak->query, "id"), 01089 sizeof(p->sid)); 01090 } 01091 01092 codec = iks_child(iks_child(iks_child(pak->x))); 01093 while (codec) { 01094 ast_rtp_set_m_type(p->rtp, atoi(iks_find_attrib(codec, "id"))); 01095 ast_rtp_set_rtpmap_type(p->rtp, atoi(iks_find_attrib(codec, "id")), "audio", 01096 iks_find_attrib(codec, "name"), 0); 01097 codec = iks_next(codec); 01098 } 01099 01100 ast_mutex_unlock(&p->lock); 01101 ast_setstate(chan, AST_STATE_RING); 01102 res = ast_pbx_start(chan); 01103 01104 switch (res) { 01105 case AST_PBX_FAILED: 01106 ast_log(LOG_WARNING, "Failed to start PBX :(\n"); 01107 gtalk_response(client, from, pak, "service-unavailable", NULL); 01108 break; 01109 case AST_PBX_CALL_LIMIT: 01110 ast_log(LOG_WARNING, "Failed to start PBX (call limit reached) \n"); 01111 gtalk_response(client, from, pak, "service-unavailable", NULL); 01112 break; 01113 case AST_PBX_SUCCESS: 01114 gtalk_response(client, from, pak, NULL, NULL); 01115 gtalk_invite_response(p, p->them, p->us,p->sid, 0); 01116 gtalk_create_candidates(client, p, p->sid, p->them, p->us); 01117 /* nothing to do */ 01118 break; 01119 } 01120 } else { 01121 gtalk_free_pvt(client, p); 01122 } 01123 return 1; 01124 }
static int gtalk_parser | ( | void * | data, | |
ikspak * | pak | |||
) | [static] |
Definition at line 1557 of file chan_gtalk.c.
References ast_log(), ASTOBJ_REF, ASTOBJ_UNREF, gtalk_add_candidate(), gtalk_handle_dtmf(), gtalk_hangup_farend(), gtalk_is_answered(), gtalk_member_destroy(), gtalk_newcall(), LOG_DEBUG, and option_debug.
Referenced by gtalk_create_member().
01558 { 01559 struct gtalk *client = ASTOBJ_REF((struct gtalk *) data); 01560 01561 if (iks_find_with_attrib(pak->x, "session", "type", "initiate")) { 01562 /* New call */ 01563 gtalk_newcall(client, pak); 01564 } else if (iks_find_with_attrib(pak->x, "session", "type", "candidates") || iks_find_with_attrib(pak->x, "session", "type", "transport-info")) { 01565 if (option_debug > 2) 01566 ast_log(LOG_DEBUG, "About to add candidate!\n"); 01567 gtalk_add_candidate(client, pak); 01568 if (option_debug > 2) 01569 ast_log(LOG_DEBUG, "Candidate Added!\n"); 01570 } else if (iks_find_with_attrib(pak->x, "session", "type", "accept") || iks_find_with_attrib(pak->x, "session", "type", "transport-accept")) { 01571 gtalk_is_answered(client, pak); 01572 } else if (iks_find_with_attrib(pak->x, "session", "type", "content-info")) { 01573 gtalk_handle_dtmf(client, pak); 01574 } else if (iks_find_with_attrib(pak->x, "session", "type", "terminate")) { 01575 gtalk_hangup_farend(client, pak); 01576 } else if (iks_find_with_attrib(pak->x, "session", "type", "reject")) { 01577 gtalk_hangup_farend(client, pak); 01578 } 01579 ASTOBJ_UNREF(client, gtalk_member_destroy); 01580 return IKS_FILTER_EAT; 01581 }
static struct ast_frame * gtalk_read | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 1286 of file chan_gtalk.c.
References ast_mutex_lock(), ast_mutex_unlock(), gtalk_rtp_read(), gtalk_pvt::lock, and ast_channel::tech_pvt.
01287 { 01288 struct ast_frame *fr; 01289 struct gtalk_pvt *p = ast->tech_pvt; 01290 01291 ast_mutex_lock(&p->lock); 01292 fr = gtalk_rtp_read(ast, p); 01293 ast_mutex_unlock(&p->lock); 01294 return fr; 01295 }
static struct ast_channel * gtalk_request | ( | const char * | type, | |
int | format, | |||
void * | data, | |||
int * | cause | |||
) | [static] |
Part of PBX interface.
Definition at line 1505 of file chan_gtalk.c.
References ast_log(), AST_STATE_DOWN, ast_strdupa, ASTOBJ_UNLOCK, ASTOBJ_WRLOCK, gtalk::connection, find_gtalk(), gtalk_alloc(), gtalk_new(), aji_client::jid, LOG_ERROR, LOG_WARNING, s, strsep(), and gtalk::user.
01506 { 01507 struct gtalk_pvt *p = NULL; 01508 struct gtalk *client = NULL; 01509 char *sender = NULL, *to = NULL, *s = NULL; 01510 struct ast_channel *chan = NULL; 01511 01512 if (data) { 01513 s = ast_strdupa(data); 01514 if (s) { 01515 sender = strsep(&s, "/"); 01516 if (sender && (sender[0] != '\0')) 01517 to = strsep(&s, "/"); 01518 if (!to) { 01519 ast_log(LOG_ERROR, "Bad arguments in Gtalk Dialstring: %s\n", (char*) data); 01520 return NULL; 01521 } 01522 } 01523 } 01524 client = find_gtalk(to, sender); 01525 if (!client) { 01526 ast_log(LOG_WARNING, "Could not find recipient.\n"); 01527 return NULL; 01528 } 01529 ASTOBJ_WRLOCK(client); 01530 p = gtalk_alloc(client, strchr(sender, '@') ? sender : client->connection->jid->full, strchr(to, '@') ? to : client->user, NULL); 01531 if (p) 01532 chan = gtalk_new(client, p, AST_STATE_DOWN, to); 01533 01534 ASTOBJ_UNLOCK(client); 01535 return chan; 01536 }
static int gtalk_response | ( | struct gtalk * | client, | |
char * | from, | |||
ikspak * | pak, | |||
const char * | reasonstr, | |||
const char * | reasonstr2 | |||
) | [static] |
Definition at line 569 of file chan_gtalk.c.
References gtalk::connection, error(), and aji_client::p.
Referenced by gtalk_handle_dtmf(), gtalk_hangup_farend(), gtalk_is_answered(), and gtalk_newcall().
00570 { 00571 iks *response = NULL, *error = NULL, *reason = NULL; 00572 int res = -1; 00573 00574 response = iks_new("iq"); 00575 if (response) { 00576 iks_insert_attrib(response, "type", "result"); 00577 iks_insert_attrib(response, "from", from); 00578 iks_insert_attrib(response, "to", iks_find_attrib(pak->x, "from")); 00579 iks_insert_attrib(response, "id", iks_find_attrib(pak->x, "id")); 00580 if (reasonstr) { 00581 error = iks_new("error"); 00582 if (error) { 00583 iks_insert_attrib(error, "type", "cancel"); 00584 reason = iks_new(reasonstr); 00585 if (reason) 00586 iks_insert_node(error, reason); 00587 iks_insert_node(response, error); 00588 } 00589 } 00590 iks_send(client->connection->p, response); 00591 if (reason) 00592 iks_delete(reason); 00593 if (error) 00594 iks_delete(error); 00595 iks_delete(response); 00596 res = 0; 00597 } 00598 return res; 00599 }
static int gtalk_ringing_ack | ( | void * | data, | |
ikspak * | pak | |||
) | [static] |
Definition at line 500 of file chan_gtalk.c.
References AST_CONTROL_RINGING, ast_queue_control(), gtalk::connection, aji_client::f, gtalk_pvt::owner, gtalk_pvt::parent, and gtalk_pvt::ringrule.
Referenced by gtalk_call().
00501 { 00502 struct gtalk_pvt *p = data; 00503 00504 if (p->ringrule) 00505 iks_filter_remove_rule(p->parent->connection->f, p->ringrule); 00506 p->ringrule = NULL; 00507 if (p->owner) 00508 ast_queue_control(p->owner, AST_CONTROL_RINGING); 00509 return IKS_FILTER_EAT; 00510 }
static struct ast_frame* gtalk_rtp_read | ( | struct ast_channel * | ast, | |
struct gtalk_pvt * | p | |||
) | [static] |
Definition at line 1257 of file chan_gtalk.c.
References AST_FORMAT_AUDIO_MASK, AST_FORMAT_VIDEO_MASK, AST_FRAME_VOICE, ast_log(), ast_null_frame, ast_rtp_read(), ast_set_read_format(), ast_set_write_format(), f, gtalk_update_stun(), LOG_DEBUG, ast_channel::nativeformats, option_debug, gtalk_pvt::owner, gtalk_pvt::parent, ast_channel::readformat, gtalk_pvt::rtp, and ast_channel::writeformat.
Referenced by gtalk_read().
01258 { 01259 struct ast_frame *f; 01260 01261 if (!p->rtp) 01262 return &ast_null_frame; 01263 f = ast_rtp_read(p->rtp); 01264 gtalk_update_stun(p->parent, p); 01265 if (p->owner) { 01266 /* We already hold the channel lock */ 01267 if (f->frametype == AST_FRAME_VOICE) { 01268 if (f->subclass != (p->owner->nativeformats & AST_FORMAT_AUDIO_MASK)) { 01269 if (option_debug) 01270 ast_log(LOG_DEBUG, "Oooh, format changed to %d\n", f->subclass); 01271 p->owner->nativeformats = 01272 (p->owner->nativeformats & AST_FORMAT_VIDEO_MASK) | f->subclass; 01273 ast_set_read_format(p->owner, p->owner->readformat); 01274 ast_set_write_format(p->owner, p->owner->writeformat); 01275 } 01276 /* if ((ast_test_flag(p, SIP_DTMF) == SIP_DTMF_INBAND) && p->vad) { 01277 f = ast_dsp_process(p->owner, p->vad, f); 01278 if (option_debug && f && (f->frametype == AST_FRAME_DTMF)) 01279 ast_log(LOG_DEBUG, "* Detected inband DTMF '%c'\n", f->subclass); 01280 } */ 01281 } 01282 } 01283 return f; 01284 }
static int gtalk_sendhtml | ( | struct ast_channel * | ast, | |
int | subclass, | |||
const char * | data, | |||
int | datalen | |||
) | [static] |
Definition at line 1433 of file chan_gtalk.c.
References ast_log(), and LOG_NOTICE.
01434 { 01435 ast_log(LOG_NOTICE, "XXX Implement gtalk sendhtml XXX\n"); 01436 01437 return -1; 01438 }
static int gtalk_set_rtp_peer | ( | struct ast_channel * | chan, | |
struct ast_rtp * | rtp, | |||
struct ast_rtp * | vrtp, | |||
int | codecs, | |||
int | nat_active | |||
) | [static] |
Definition at line 549 of file chan_gtalk.c.
References ast_mutex_lock(), ast_mutex_unlock(), gtalk_pvt::lock, and ast_channel::tech_pvt.
00550 { 00551 struct gtalk_pvt *p; 00552 00553 p = chan->tech_pvt; 00554 if (!p) 00555 return -1; 00556 ast_mutex_lock(&p->lock); 00557 00558 /* if (rtp) 00559 ast_rtp_get_peer(rtp, &p->redirip); 00560 else 00561 memset(&p->redirip, 0, sizeof(p->redirip)); 00562 p->redircodecs = codecs; */ 00563 00564 /* Reset lastrtprx timer */ 00565 ast_mutex_unlock(&p->lock); 00566 return 0; 00567 }
static int gtalk_show_channels | ( | int | fd, | |
int | argc, | |||
char ** | argv | |||
) | [static] |
CLI command "gtalk show channels".
Definition at line 1539 of file chan_gtalk.c.
References ast_cli(), ast_mutex_lock(), ast_mutex_unlock(), RESULT_SHOWUSAGE, and RESULT_SUCCESS.
01540 { 01541 if (argc != 3) 01542 return RESULT_SHOWUSAGE; 01543 ast_mutex_lock(>alklock); 01544 // if (!gtalk_list->p) 01545 ast_cli(fd, "No gtalk channels in use\n"); 01546 ast_mutex_unlock(>alklock); 01547 return RESULT_SUCCESS; 01548 }
Definition at line 1126 of file chan_gtalk.c.
References ahp, ast_gethostbyname(), ast_inet_ntoa(), ast_log(), ast_rtp_get_peer(), ast_rtp_stun_request(), hp, gtalk_candidate::ip, gtalk_pvt::laststun, LOG_DEBUG, gtalk_candidate::next, option_debug, gtalk_pvt::ourcandidates, gtalk_candidate::port, gtalk_pvt::rtp, gtalk_pvt::theircandidates, gtalk_candidate::username, and username.
Referenced by gtalk_add_candidate(), and gtalk_rtp_read().
01127 { 01128 struct gtalk_candidate *tmp; 01129 struct hostent *hp; 01130 struct ast_hostent ahp; 01131 struct sockaddr_in sin; 01132 struct sockaddr_in aux; 01133 01134 if (time(NULL) == p->laststun) 01135 return 0; 01136 01137 tmp = p->theircandidates; 01138 p->laststun = time(NULL); 01139 while (tmp) { 01140 char username[256]; 01141 01142 /* Find the IP address of the host */ 01143 hp = ast_gethostbyname(tmp->ip, &ahp); 01144 sin.sin_family = AF_INET; 01145 memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr)); 01146 sin.sin_port = htons(tmp->port); 01147 snprintf(username, sizeof(username), "%s%s", tmp->username, 01148 p->ourcandidates->username); 01149 01150 /* Find out the result of the STUN */ 01151 ast_rtp_get_peer(p->rtp, &aux); 01152 01153 /* If the STUN result is different from the IP of the hostname, 01154 lock on the stun IP of the hostname advertised by the 01155 remote client */ 01156 if (aux.sin_addr.s_addr && 01157 aux.sin_addr.s_addr != sin.sin_addr.s_addr) 01158 ast_rtp_stun_request(p->rtp, &aux, username); 01159 else 01160 ast_rtp_stun_request(p->rtp, &sin, username); 01161 01162 if (aux.sin_addr.s_addr && option_debug > 3) { 01163 ast_log(LOG_DEBUG, "Receiving RTP traffic from IP %s, matches with remote candidate's IP %s\n", ast_inet_ntoa(aux.sin_addr), tmp->ip); 01164 ast_log(LOG_DEBUG, "Sending STUN request to %s\n", tmp->ip); 01165 } 01166 01167 tmp = tmp->next; 01168 } 01169 return 1; 01170 }
static int gtalk_write | ( | struct ast_channel * | ast, | |
struct ast_frame * | f | |||
) | [static] |
Send frame to media channel (rtp).
Definition at line 1298 of file chan_gtalk.c.
References AST_FRAME_IMAGE, AST_FRAME_VIDEO, AST_FRAME_VOICE, ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_rtp_write(), 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.
01299 { 01300 struct gtalk_pvt *p = ast->tech_pvt; 01301 int res = 0; 01302 01303 switch (frame->frametype) { 01304 case AST_FRAME_VOICE: 01305 if (!(frame->subclass & ast->nativeformats)) { 01306 ast_log(LOG_WARNING, 01307 "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n", 01308 frame->subclass, ast->nativeformats, ast->readformat, 01309 ast->writeformat); 01310 return 0; 01311 } 01312 if (p) { 01313 ast_mutex_lock(&p->lock); 01314 if (p->rtp) { 01315 res = ast_rtp_write(p->rtp, frame); 01316 } 01317 ast_mutex_unlock(&p->lock); 01318 } 01319 break; 01320 case AST_FRAME_VIDEO: 01321 if (p) { 01322 ast_mutex_lock(&p->lock); 01323 if (p->vrtp) { 01324 res = ast_rtp_write(p->vrtp, frame); 01325 } 01326 ast_mutex_unlock(&p->lock); 01327 } 01328 break; 01329 case AST_FRAME_IMAGE: 01330 return 0; 01331 break; 01332 default: 01333 ast_log(LOG_WARNING, "Can't send %d type frames with Gtalk write\n", 01334 frame->frametype); 01335 return 0; 01336 } 01337 01338 return res; 01339 }
static int load_module | ( | void | ) | [static] |
Load module into PBX, register channel.
Definition at line 1809 of file chan_gtalk.c.
References __ourip, ast_channel_register(), ast_cli_register_multiple(), ast_find_ourip(), ast_log(), ast_rtp_proto_register(), ASTOBJ_CONTAINER_INIT, bindaddr, GOOGLE_CONFIG, gtalk_cli, gtalk_list, gtalk_load_config(), gtalk_rtp, gtalk_tech, io, io_context_create(), LOG_ERROR, LOG_WARNING, sched_context_create(), and ast_channel_tech::type.
01810 { 01811 #ifdef HAVE_GNUTLS 01812 gcry_control (GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread); 01813 #endif /* HAVE_GNUTLS */ 01814 01815 ASTOBJ_CONTAINER_INIT(>alk_list); 01816 if (!gtalk_load_config()) { 01817 ast_log(LOG_ERROR, "Unable to read config file %s. Not loading module.\n", GOOGLE_CONFIG); 01818 return 0; 01819 } 01820 01821 sched = sched_context_create(); 01822 if (!sched) 01823 ast_log(LOG_WARNING, "Unable to create schedule context\n"); 01824 01825 io = io_context_create(); 01826 if (!io) 01827 ast_log(LOG_WARNING, "Unable to create I/O context\n"); 01828 01829 if (ast_find_ourip(&__ourip, bindaddr)) { 01830 ast_log(LOG_WARNING, "Unable to get own IP address, Gtalk disabled\n"); 01831 return 0; 01832 } 01833 01834 ast_rtp_proto_register(>alk_rtp); 01835 ast_cli_register_multiple(gtalk_cli, sizeof(gtalk_cli) / sizeof(gtalk_cli[0])); 01836 01837 /* Make sure we can register our channel type */ 01838 if (ast_channel_register(>alk_tech)) { 01839 ast_log(LOG_ERROR, "Unable to register channel class %s\n", gtalk_tech.type); 01840 return -1; 01841 } 01842 return 0; 01843 }
static int reload | ( | void | ) | [static] |
static int unload_module | ( | void | ) | [static] |
Unload the gtalk channel from Asterisk.
Definition at line 1852 of file chan_gtalk.c.
References ast_channel_unregister(), ast_cli_unregister_multiple(), ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_rtp_proto_unregister(), ast_softhangup(), AST_SOFTHANGUP_APPUNLOAD, ASTOBJ_CONTAINER_DESTROY, ASTOBJ_CONTAINER_DESTROYALL, ASTOBJ_CONTAINER_TRAVERSE, ASTOBJ_UNLOCK, ASTOBJ_WRLOCK, gtalk_cli, gtalk_list, gtalk_member_destroy(), gtalk_rtp, gtalk_tech, LOG_WARNING, gtalk_pvt::next, and gtalk_pvt::owner.
01853 { 01854 struct gtalk_pvt *privates = NULL; 01855 ast_cli_unregister_multiple(gtalk_cli, sizeof(gtalk_cli) / sizeof(gtalk_cli[0])); 01856 /* First, take us out of the channel loop */ 01857 ast_channel_unregister(>alk_tech); 01858 ast_rtp_proto_unregister(>alk_rtp); 01859 01860 if (!ast_mutex_lock(>alklock)) { 01861 /* Hangup all interfaces if they have an owner */ 01862 ASTOBJ_CONTAINER_TRAVERSE(>alk_list, 1, { 01863 ASTOBJ_WRLOCK(iterator); 01864 privates = iterator->p; 01865 while(privates) { 01866 if (privates->owner) 01867 ast_softhangup(privates->owner, AST_SOFTHANGUP_APPUNLOAD); 01868 privates = privates->next; 01869 } 01870 iterator->p = NULL; 01871 ASTOBJ_UNLOCK(iterator); 01872 }); 01873 ast_mutex_unlock(>alklock); 01874 } else { 01875 ast_log(LOG_WARNING, "Unable to lock the monitor\n"); 01876 return -1; 01877 } 01878 ASTOBJ_CONTAINER_DESTROYALL(>alk_list, gtalk_member_destroy); 01879 ASTOBJ_CONTAINER_DESTROY(>alk_list); 01880 return 0; 01881 }
struct in_addr __ourip [static] |
Definition at line 226 of file chan_gtalk.c.
struct sockaddr_in bindaddr = { 0, } [static] |
The address we bind to
Definition at line 222 of file chan_gtalk.c.
Referenced by gtalk_alloc(), gtalk_create_candidates(), gtalk_load_config(), load_module(), reload_config(), sip_alloc(), sip_show_settings(), start_rtp(), and transmit_register().
char debug_usage[] [static] |
Initial value:
"Usage: gtalk show channels\n" " Shows current state of the Gtalk channels.\n"
Definition at line 237 of file chan_gtalk.c.
struct ast_jb_conf default_jbconf [static] |
Global jitterbuffer configuration - by default, jb is disabled
Definition at line 88 of file chan_gtalk.c.
const char desc[] = "Gtalk Channel" [static] |
Definition at line 172 of file chan_gtalk.c.
Referenced by ast_cause2str(), ast_codec2str(), load_rpt_vars(), misdn_cfg_get_desc(), my_load_module(), my_ulimit(), show_config_description(), and str2desc().
char externip[16] [static] |
Definition at line 253 of file chan_gtalk.c.
Referenced by gtalk_create_candidates(), and reload_config().
int global_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW | AST_FORMAT_GSM | AST_FORMAT_H263 [static] |
struct ast_jb_conf global_jbconf [static] |
Definition at line 95 of file chan_gtalk.c.
struct ast_cli_entry gtalk_cli[] [static] |
Initial value:
{ {{ "gtalk", "reload", NULL}, gtalk_do_reload, "Enable Jabber debugging", reload_usage }, {{ "gtalk", "show", "channels", NULL}, gtalk_show_channels, "Show GoogleTalk Channels", debug_usage }, }
Definition at line 246 of file chan_gtalk.c.
Referenced by load_module(), and unload_module().
struct gtalk_container gtalk_list [static] |
Definition at line 255 of file chan_gtalk.c.
Referenced by find_gtalk(), load_module(), and unload_module().
struct ast_rtp_protocol gtalk_rtp [static] |
RTP driver interface.
Definition at line 230 of file chan_gtalk.c.
Referenced by load_module(), and unload_module().
struct ast_channel_tech gtalk_tech [static] |
PBX interface structure for channel registration.
Definition at line 202 of file chan_gtalk.c.
Referenced by gtalk_new(), load_module(), and unload_module().
struct io_context* io [static] |
The IO context
Definition at line 225 of file chan_gtalk.c.
Referenced by __oh323_rtp_create(), ast_expr(), ast_rtp_new(), ast_rtp_new_with_bindaddr(), ast_udptl_new(), ast_udptl_new_with_bindaddr(), do_monitor(), gtalk_alloc(), load_module(), network_thread(), peer_set_srcaddr(), reload(), reload_config(), set_config(), sip_alloc(), start_rtp(), and unload_module().
char reload_usage[] [static] |
Initial value:
"Usage: gtalk reload\n" " Reload gtalk channel driver.\n"
Definition at line 241 of file chan_gtalk.c.
struct sched_context* sched [static] |
The scheduling context
Definition at line 224 of file chan_gtalk.c.