#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"
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 85 of file chan_gtalk.c.
enum gtalk_connect_type |
Definition at line 103 of file chan_gtalk.c.
00103 { 00104 AJI_CONNECT_STUN = 1, 00105 AJI_CONNECT_LOCAL = 2, 00106 AJI_CONNECT_RELAY = 3, 00107 };
enum gtalk_protocol |
Definition at line 98 of file chan_gtalk.c.
00098 { 00099 AJI_PROTOCOL_UDP = 1, 00100 AJI_PROTOCOL_SSLTCP = 2, 00101 };
static int add_codec_to_answer | ( | const struct gtalk_pvt * | p, | |
int | codec, | |||
iks * | dcodecs | |||
) | [static] |
Definition at line 300 of file chan_gtalk.c.
References ast_getformatname(), ast_log(), ast_rtp_lookup_code(), format, LOG_WARNING, and gtalk_pvt::rtp.
Referenced by gtalk_invite().
00301 { 00302 char *format = ast_getformatname(codec); 00303 00304 if (!strcasecmp("ulaw", format)) { 00305 iks *payload_eg711u, *payload_pcmu; 00306 payload_pcmu = iks_new("payload-type"); 00307 payload_eg711u = iks_new("payload-type"); 00308 00309 if(!payload_eg711u || !payload_pcmu) { 00310 if(payload_pcmu) 00311 iks_delete(payload_pcmu); 00312 if(payload_eg711u) 00313 iks_delete(payload_eg711u); 00314 ast_log(LOG_WARNING,"Failed to allocate iks node"); 00315 return -1; 00316 } 00317 iks_insert_attrib(payload_pcmu, "id", "0"); 00318 iks_insert_attrib(payload_pcmu, "name", "PCMU"); 00319 iks_insert_attrib(payload_pcmu, "clockrate","8000"); 00320 iks_insert_attrib(payload_pcmu, "bitrate","64000"); 00321 iks_insert_attrib(payload_eg711u, "id", "100"); 00322 iks_insert_attrib(payload_eg711u, "name", "EG711U"); 00323 iks_insert_attrib(payload_eg711u, "clockrate","8000"); 00324 iks_insert_attrib(payload_eg711u, "bitrate","64000"); 00325 iks_insert_node(dcodecs, payload_pcmu); 00326 iks_insert_node(dcodecs, payload_eg711u); 00327 } 00328 if (!strcasecmp("alaw", format)) { 00329 iks *payload_eg711a, *payload_pcma; 00330 payload_pcma = iks_new("payload-type"); 00331 payload_eg711a = iks_new("payload-type"); 00332 if(!payload_eg711a || !payload_pcma) { 00333 if(payload_eg711a) 00334 iks_delete(payload_eg711a); 00335 if(payload_pcma) 00336 iks_delete(payload_pcma); 00337 ast_log(LOG_WARNING,"Failed to allocate iks node"); 00338 return -1; 00339 } 00340 iks_insert_attrib(payload_pcma, "id", "8"); 00341 iks_insert_attrib(payload_pcma, "name", "PCMA"); 00342 iks_insert_attrib(payload_pcma, "clockrate","8000"); 00343 iks_insert_attrib(payload_pcma, "bitrate","64000"); 00344 payload_eg711a = iks_new("payload-type"); 00345 iks_insert_attrib(payload_eg711a, "id", "101"); 00346 iks_insert_attrib(payload_eg711a, "name", "EG711A"); 00347 iks_insert_attrib(payload_eg711a, "clockrate","8000"); 00348 iks_insert_attrib(payload_eg711a, "bitrate","64000"); 00349 iks_insert_node(dcodecs, payload_pcma); 00350 iks_insert_node(dcodecs, payload_eg711a); 00351 } 00352 if (!strcasecmp("ilbc", format)) { 00353 iks *payload_ilbc = iks_new("payload-type"); 00354 if(!payload_ilbc) { 00355 ast_log(LOG_WARNING,"Failed to allocate iks node"); 00356 return -1; 00357 } 00358 iks_insert_attrib(payload_ilbc, "id", "97"); 00359 iks_insert_attrib(payload_ilbc, "name", "iLBC"); 00360 iks_insert_attrib(payload_ilbc, "clockrate","8000"); 00361 iks_insert_attrib(payload_ilbc, "bitrate","13300"); 00362 iks_insert_node(dcodecs, payload_ilbc); 00363 } 00364 if (!strcasecmp("g723", format)) { 00365 iks *payload_g723 = iks_new("payload-type"); 00366 if(!payload_g723) { 00367 ast_log(LOG_WARNING,"Failed to allocate iks node"); 00368 return -1; 00369 } 00370 iks_insert_attrib(payload_g723, "id", "4"); 00371 iks_insert_attrib(payload_g723, "name", "G723"); 00372 iks_insert_attrib(payload_g723, "clockrate","8000"); 00373 iks_insert_attrib(payload_g723, "bitrate","6300"); 00374 iks_insert_node(dcodecs, payload_g723); 00375 } 00376 if (!strcasecmp("speex", format)) { 00377 iks *payload_speex = iks_new("payload-type"); 00378 if(!payload_speex) { 00379 ast_log(LOG_WARNING,"Failed to allocate iks node"); 00380 return -1; 00381 } 00382 iks_insert_attrib(payload_speex, "id", "110"); 00383 iks_insert_attrib(payload_speex, "name", "speex"); 00384 iks_insert_attrib(payload_speex, "clockrate","8000"); 00385 iks_insert_attrib(payload_speex, "bitrate","11000"); 00386 iks_insert_node(dcodecs, payload_speex); 00387 } 00388 ast_rtp_lookup_code(p->rtp, 1, codec); 00389 return 0; 00390 }
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, read] |
Definition at line 263 of file chan_gtalk.c.
References ast_strdupa, ast_verbose(), ASTOBJ_CONTAINER_FIND, ASTOBJ_CONTAINER_FIND_FULL, ASTOBJ_CONTAINER_TRAVERSE, ASTOBJ_RDLOCK, ASTOBJ_UNLOCK, gtalk_list, s, strsep(), and gtalk::user.
Referenced by gtalk_request().
00264 { 00265 struct gtalk *gtalk = NULL; 00266 char *domain = NULL , *s = NULL; 00267 00268 if(strchr(connection, '@')) { 00269 s = ast_strdupa(connection); 00270 domain = strsep(&s, "@"); 00271 ast_verbose("OOOOH domain = %s\n", domain); 00272 } 00273 gtalk = ASTOBJ_CONTAINER_FIND(>alk_list, name); 00274 if (!gtalk && strchr(name, '@')) 00275 gtalk = ASTOBJ_CONTAINER_FIND_FULL(>alk_list, name, user,,, strcasecmp); 00276 00277 if (!gtalk) { /* guest call */ 00278 ASTOBJ_CONTAINER_TRAVERSE(>alk_list, 1, { 00279 ASTOBJ_RDLOCK(iterator); 00280 if (!strcasecmp(iterator->name, "guest")) { 00281 if (!strcasecmp(iterator->connection->jid->partial, connection)) { 00282 gtalk = iterator; 00283 } else if (!strcasecmp(iterator->connection->name, connection)) { 00284 gtalk = iterator; 00285 } else if (iterator->connection->component && !strcasecmp(iterator->connection->user,domain)) { 00286 gtalk = iterator; 00287 } 00288 } 00289 ASTOBJ_UNLOCK(iterator); 00290 00291 if (gtalk) 00292 break; 00293 }); 00294 00295 } 00296 return gtalk; 00297 }
static int gtalk_action | ( | struct gtalk * | client, | |
struct gtalk_pvt * | p, | |||
const char * | action | |||
) | [static] |
Definition at line 994 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().
00995 { 00996 iks *request, *session = NULL; 00997 int res = -1; 00998 00999 request = iks_new("iq"); 01000 if (request) { 01001 iks_insert_attrib(request, "type", "set"); 01002 iks_insert_attrib(request, "from", p->us); 01003 iks_insert_attrib(request, "to", p->them); 01004 iks_insert_attrib(request, "id", client->connection->mid); 01005 ast_aji_increment_mid(client->connection->mid); 01006 session = iks_new("session"); 01007 if (session) { 01008 iks_insert_attrib(session, "type", action); 01009 iks_insert_attrib(session, "id", p->sid); 01010 iks_insert_attrib(session, "initiator", p->initiator ? p->us : p->them); 01011 iks_insert_attrib(session, "xmlns", "http://www.google.com/session"); 01012 iks_insert_node(request, session); 01013 iks_send(client->connection->p, request); 01014 iks_delete(session); 01015 res = 0; 01016 } 01017 iks_delete(request); 01018 } 01019 return res; 01020 }
static int gtalk_add_candidate | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 1175 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_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, aji_client::p, gtalk::p, gtalk_pvt::parent, gtalk_candidate::password, gtalk_candidate::port, gtalk_candidate::preference, gtalk_candidate::protocol, gtalk_candidate::receipt, gtalk_pvt::theircandidates, gtalk_candidate::type, and gtalk_candidate::username.
Referenced by gtalk_parser().
01176 { 01177 struct gtalk_pvt *p = NULL, *tmp = NULL; 01178 struct aji_client *c = client->connection; 01179 struct gtalk_candidate *newcandidate = NULL; 01180 iks *traversenodes = NULL, *receipt = NULL; 01181 char *from; 01182 01183 from = iks_find_attrib(pak->x,"to"); 01184 if(!from) 01185 from = c->jid->full; 01186 01187 newcandidate = ast_calloc(1, sizeof(*newcandidate)); 01188 if (!newcandidate) 01189 return 0; 01190 for (tmp = client->p; tmp; tmp = tmp->next) { 01191 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid)) { 01192 p = tmp; 01193 break; 01194 } 01195 } 01196 01197 if (!p) 01198 return -1; 01199 01200 traversenodes = pak->query; 01201 while(traversenodes) { 01202 if(!strcasecmp(iks_name(traversenodes), "session")) { 01203 traversenodes = iks_child(traversenodes); 01204 continue; 01205 } 01206 if(!strcasecmp(iks_name(traversenodes), "transport")) { 01207 traversenodes = iks_child(traversenodes); 01208 continue; 01209 } 01210 if(!strcasecmp(iks_name(traversenodes), "candidate")) { 01211 newcandidate = ast_calloc(1, sizeof(*newcandidate)); 01212 if (!newcandidate) 01213 return 0; 01214 ast_copy_string(newcandidate->name, iks_find_attrib(traversenodes, "name"), 01215 sizeof(newcandidate->name)); 01216 ast_copy_string(newcandidate->ip, iks_find_attrib(traversenodes, "address"), 01217 sizeof(newcandidate->ip)); 01218 newcandidate->port = atoi(iks_find_attrib(traversenodes, "port")); 01219 ast_copy_string(newcandidate->username, iks_find_attrib(traversenodes, "username"), 01220 sizeof(newcandidate->username)); 01221 ast_copy_string(newcandidate->password, iks_find_attrib(traversenodes, "password"), 01222 sizeof(newcandidate->password)); 01223 newcandidate->preference = atof(iks_find_attrib(traversenodes, "preference")); 01224 if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "udp")) 01225 newcandidate->protocol = AJI_PROTOCOL_UDP; 01226 if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "ssltcp")) 01227 newcandidate->protocol = AJI_PROTOCOL_SSLTCP; 01228 01229 if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "stun")) 01230 newcandidate->type = AJI_CONNECT_STUN; 01231 if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "local")) 01232 newcandidate->type = AJI_CONNECT_LOCAL; 01233 if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "relay")) 01234 newcandidate->type = AJI_CONNECT_RELAY; 01235 ast_copy_string(newcandidate->network, iks_find_attrib(traversenodes, "network"), 01236 sizeof(newcandidate->network)); 01237 newcandidate->generation = atoi(iks_find_attrib(traversenodes, "generation")); 01238 newcandidate->next = NULL; 01239 01240 newcandidate->next = p->theircandidates; 01241 p->theircandidates = newcandidate; 01242 p->laststun = 0; 01243 gtalk_update_stun(p->parent, p); 01244 newcandidate = NULL; 01245 } 01246 traversenodes = iks_next(traversenodes); 01247 } 01248 01249 receipt = iks_new("iq"); 01250 iks_insert_attrib(receipt, "type", "result"); 01251 iks_insert_attrib(receipt, "from", from); 01252 iks_insert_attrib(receipt, "to", iks_find_attrib(pak->x, "from")); 01253 iks_insert_attrib(receipt, "id", iks_find_attrib(pak->x, "id")); 01254 iks_send(c->p, receipt); 01255 iks_delete(receipt); 01256 01257 return 1; 01258 }
static struct gtalk_pvt * gtalk_alloc | ( | struct gtalk * | client, | |
const char * | us, | |||
const char * | them, | |||
const char * | sid | |||
) | [static, read] |
Definition at line 832 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, aji_client::buddies, gtalk::buddy, aji_resource::cap, gtalk::connection, gtalk_pvt::exten, exten, free, gtalk_pvt::initiator, aji_version::jingle, gtalk_pvt::lock, LOG_DEBUG, LOG_ERROR, LOG_WARNING, gtalk_pvt::next, aji_resource::next, option_debug, gtalk::p, gtalk_pvt::parent, aji_resource::resource, aji_buddy::resources, gtalk_pvt::rtp, gtalk_pvt::sid, strsep(), gtalk_pvt::them, and gtalk_pvt::us.
Referenced by gtalk_newcall(), and gtalk_request().
00833 { 00834 struct gtalk_pvt *tmp = NULL; 00835 struct aji_resource *resources = NULL; 00836 struct aji_buddy *buddy; 00837 char idroster[200]; 00838 char *data, *exten = NULL; 00839 00840 if (option_debug) 00841 ast_log(LOG_DEBUG, "The client is %s for alloc\n", client->name); 00842 if (!sid && !strchr(them, '/')) { /* I started call! */ 00843 if (!strcasecmp(client->name, "guest")) { 00844 buddy = ASTOBJ_CONTAINER_FIND(&client->connection->buddies, them); 00845 if (buddy) 00846 resources = buddy->resources; 00847 } else if (client->buddy) 00848 resources = client->buddy->resources; 00849 while (resources) { 00850 if (resources->cap->jingle) { 00851 break; 00852 } 00853 resources = resources->next; 00854 } 00855 if (resources) 00856 snprintf(idroster, sizeof(idroster), "%s/%s", them, resources->resource); 00857 else { 00858 ast_log(LOG_ERROR, "no gtalk capable clients to talk to.\n"); 00859 return NULL; 00860 } 00861 } 00862 if (!(tmp = ast_calloc(1, sizeof(*tmp)))) { 00863 return NULL; 00864 } 00865 if (sid) { 00866 ast_copy_string(tmp->sid, sid, sizeof(tmp->sid)); 00867 ast_copy_string(tmp->them, them, sizeof(tmp->them)); 00868 ast_copy_string(tmp->us, us, sizeof(tmp->us)); 00869 } else { 00870 snprintf(tmp->sid, sizeof(tmp->sid), "%08lx%08lx", ast_random(), ast_random()); 00871 ast_copy_string(tmp->them, idroster, sizeof(tmp->them)); 00872 ast_copy_string(tmp->us, us, sizeof(tmp->us)); 00873 tmp->initiator = 1; 00874 } 00875 tmp->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr); 00876 tmp->parent = client; 00877 if (!tmp->rtp) { 00878 ast_log(LOG_WARNING, "Out of RTP sessions?\n"); 00879 free(tmp); 00880 return NULL; 00881 } 00882 00883 if(strchr(tmp->us, '/')) { 00884 data = ast_strdupa(tmp->us); 00885 exten = strsep(&data, "/"); 00886 } else 00887 exten = tmp->us; 00888 ast_copy_string(tmp->exten, exten, sizeof(tmp->exten)); 00889 ast_mutex_init(&tmp->lock); 00890 ast_mutex_lock(>alklock); 00891 tmp->next = client->p; 00892 client->p = tmp; 00893 ast_mutex_unlock(>alklock); 00894 return tmp; 00895 }
static int gtalk_answer | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 513 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.
00514 { 00515 struct gtalk_pvt *p = ast->tech_pvt; 00516 int res = 0; 00517 00518 if (option_debug) 00519 ast_log(LOG_DEBUG, "Answer!\n"); 00520 ast_mutex_lock(&p->lock); 00521 gtalk_invite(p, p->them, p->us,p->sid, 0); 00522 ast_mutex_unlock(&p->lock); 00523 return res; 00524 }
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 1463 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.
01464 { 01465 struct gtalk_pvt *p = ast->tech_pvt; 01466 01467 if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) { 01468 ast_log(LOG_WARNING, "gtalk_call called on %s, neither down nor reserved\n", ast->name); 01469 return -1; 01470 } 01471 01472 ast_setstate(ast, AST_STATE_RING); 01473 p->jointcapability = p->capability; 01474 if (!p->ringrule) { 01475 ast_copy_string(p->ring, p->parent->connection->mid, sizeof(p->ring)); 01476 p->ringrule = iks_filter_add_rule(p->parent->connection->f, gtalk_ringing_ack, p, 01477 IKS_RULE_ID, p->ring, IKS_RULE_DONE); 01478 } else 01479 ast_log(LOG_WARNING, "Whoa, already have a ring rule!\n"); 01480 01481 gtalk_invite(p, p->them, p->us, p->sid, 1); 01482 gtalk_create_candidates(p->parent, p, p->sid, p->them, p->us); 01483 01484 return 0; 01485 }
static int gtalk_create_candidates | ( | struct gtalk * | client, | |
struct gtalk_pvt * | p, | |||
char * | sid, | |||
char * | from, | |||
char * | to | |||
) | [static] |
Definition at line 704 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(), gtalk::connection, free, gtalk_candidate::generation, 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().
00705 { 00706 struct gtalk_candidate *tmp; 00707 struct aji_client *c = client->connection; 00708 struct gtalk_candidate *ours1 = NULL, *ours2 = NULL; 00709 struct sockaddr_in sin; 00710 struct sockaddr_in dest; 00711 struct in_addr us; 00712 iks *iq, *gtalk, *candidate, *transport; 00713 char user[17], pass[17], preference[5], port[7]; 00714 00715 00716 iq = iks_new("iq"); 00717 gtalk = iks_new("session"); 00718 candidate = iks_new("candidate"); 00719 transport = iks_new("transport"); 00720 if (!iq || !gtalk || !candidate || !transport) { 00721 ast_log(LOG_ERROR, "Memory allocation error\n"); 00722 goto safeout; 00723 } 00724 ours1 = ast_calloc(1, sizeof(*ours1)); 00725 ours2 = ast_calloc(1, sizeof(*ours2)); 00726 if (!ours1 || !ours2) 00727 goto safeout; 00728 00729 iks_insert_attrib(transport, "xmlns","http://www.google.com/transport/p2p"); 00730 iks_insert_node(iq, gtalk); 00731 iks_insert_node(gtalk,transport); 00732 iks_insert_node(transport, candidate); 00733 00734 for (; p; p = p->next) { 00735 if (!strcasecmp(p->sid, sid)) 00736 break; 00737 } 00738 00739 if (!p) { 00740 ast_log(LOG_NOTICE, "No matching gtalk session - SID %s!\n", sid); 00741 goto safeout; 00742 } 00743 00744 ast_rtp_get_us(p->rtp, &sin); 00745 ast_find_ourip(&us, bindaddr); 00746 00747 /* Setup our gtalk candidates */ 00748 ast_copy_string(ours1->name, "rtp", sizeof(ours1->name)); 00749 ours1->port = ntohs(sin.sin_port); 00750 ours1->preference = 1; 00751 snprintf(user, sizeof(user), "%08lx%08lx", ast_random(), ast_random()); 00752 snprintf(pass, sizeof(pass), "%08lx%08lx", ast_random(), ast_random()); 00753 ast_copy_string(ours1->username, user, sizeof(ours1->username)); 00754 ast_copy_string(ours1->password, pass, sizeof(ours1->password)); 00755 ast_copy_string(ours1->ip, ast_inet_ntoa(us), sizeof(ours1->ip)); 00756 ours1->protocol = AJI_PROTOCOL_UDP; 00757 ours1->type = AJI_CONNECT_LOCAL; 00758 ours1->generation = 0; 00759 p->ourcandidates = ours1; 00760 00761 if (!ast_strlen_zero(externip)) { 00762 /* XXX We should really stun for this one not just go with externip XXX */ 00763 snprintf(user, sizeof(user), "%08lx%08lx", ast_random(), ast_random()); 00764 snprintf(pass, sizeof(pass), "%08lx%08lx", ast_random(), ast_random()); 00765 ast_copy_string(ours2->username, user, sizeof(ours2->username)); 00766 ast_copy_string(ours2->password, pass, sizeof(ours2->password)); 00767 ast_copy_string(ours2->ip, externip, sizeof(ours2->ip)); 00768 ast_copy_string(ours2->name, "rtp", sizeof(ours1->name)); 00769 ours2->port = ntohs(sin.sin_port); 00770 ours2->preference = 0.9; 00771 ours2->protocol = AJI_PROTOCOL_UDP; 00772 ours2->type = AJI_CONNECT_STUN; 00773 ours2->generation = 0; 00774 ours1->next = ours2; 00775 ours2 = NULL; 00776 } 00777 ours1 = NULL; 00778 dest.sin_addr = __ourip; 00779 dest.sin_port = sin.sin_port; 00780 00781 00782 for (tmp = p->ourcandidates; tmp; tmp = tmp->next) { 00783 snprintf(port, sizeof(port), "%d", tmp->port); 00784 snprintf(preference, sizeof(preference), "%.2f", tmp->preference); 00785 iks_insert_attrib(iq, "from", to); 00786 iks_insert_attrib(iq, "to", from); 00787 iks_insert_attrib(iq, "type", "set"); 00788 iks_insert_attrib(iq, "id", c->mid); 00789 ast_aji_increment_mid(c->mid); 00790 iks_insert_attrib(gtalk, "type", "transport-info"); 00791 iks_insert_attrib(gtalk, "id", sid); 00792 iks_insert_attrib(gtalk, "initiator", (p->initiator) ? to : from); 00793 iks_insert_attrib(gtalk, "xmlns", GOOGLE_NS); 00794 iks_insert_attrib(candidate, "name", tmp->name); 00795 iks_insert_attrib(candidate, "address", tmp->ip); 00796 iks_insert_attrib(candidate, "port", port); 00797 iks_insert_attrib(candidate, "username", tmp->username); 00798 iks_insert_attrib(candidate, "password", tmp->password); 00799 iks_insert_attrib(candidate, "preference", preference); 00800 if (tmp->protocol == AJI_PROTOCOL_UDP) 00801 iks_insert_attrib(candidate, "protocol", "udp"); 00802 if (tmp->protocol == AJI_PROTOCOL_SSLTCP) 00803 iks_insert_attrib(candidate, "protocol", "ssltcp"); 00804 if (tmp->type == AJI_CONNECT_STUN) 00805 iks_insert_attrib(candidate, "type", "stun"); 00806 if (tmp->type == AJI_CONNECT_LOCAL) 00807 iks_insert_attrib(candidate, "type", "local"); 00808 if (tmp->type == AJI_CONNECT_RELAY) 00809 iks_insert_attrib(candidate, "type", "relay"); 00810 iks_insert_attrib(candidate, "network", "0"); 00811 iks_insert_attrib(candidate, "generation", "0"); 00812 iks_send(c->p, iq); 00813 } 00814 p->laststun = 0; 00815 00816 safeout: 00817 if (ours1) 00818 free(ours1); 00819 if (ours2) 00820 free(ours2); 00821 if (iq) 00822 iks_delete(iq); 00823 if (gtalk) 00824 iks_delete(gtalk); 00825 if (candidate) 00826 iks_delete(candidate); 00827 if(transport) 00828 iks_delete(transport); 00829 return 1; 00830 }
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 1634 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, ast_variable::name, ast_variable::next, gtalk_candidate::next, gtalk::prefs, gtalk::user, and ast_variable::value.
Referenced by gtalk_load_config().
01637 { 01638 struct aji_client *client; 01639 01640 if (!member) 01641 ast_log(LOG_WARNING, "Out of memory.\n"); 01642 01643 ast_copy_string(member->name, label, sizeof(member->name)); 01644 ast_copy_string(member->user, label, sizeof(member->user)); 01645 ast_copy_string(member->context, context, sizeof(member->context)); 01646 member->allowguest = allowguest; 01647 member->prefs = prefs; 01648 while (var) { 01649 #if 0 01650 struct gtalk_candidate *candidate = NULL; 01651 #endif 01652 if (!strcasecmp(var->name, "username")) 01653 ast_copy_string(member->user, var->value, sizeof(member->user)); 01654 else if (!strcasecmp(var->name, "disallow")) 01655 ast_parse_allow_disallow(&member->prefs, &member->capability, var->value, 0); 01656 else if (!strcasecmp(var->name, "allow")) 01657 ast_parse_allow_disallow(&member->prefs, &member->capability, var->value, 1); 01658 else if (!strcasecmp(var->name, "context")) 01659 ast_copy_string(member->context, var->value, sizeof(member->context)); 01660 #if 0 01661 else if (!strcasecmp(var->name, "candidate")) { 01662 candidate = gtalk_create_candidate(var->value); 01663 if (candidate) { 01664 candidate->next = member->ourcandidates; 01665 member->ourcandidates = candidate; 01666 } 01667 } 01668 #endif 01669 else if (!strcasecmp(var->name, "connection")) { 01670 if ((client = ast_aji_get_client(var->value))) { 01671 member->connection = client; 01672 iks_filter_add_rule(client->f, gtalk_parser, member, IKS_RULE_TYPE, 01673 IKS_PAK_IQ, IKS_RULE_FROM_PARTIAL, member->user, 01674 IKS_RULE_NS, "http://www.google.com/session", 01675 IKS_RULE_DONE); 01676 01677 } else { 01678 ast_log(LOG_ERROR, "connection referenced not found!\n"); 01679 return 0; 01680 } 01681 } 01682 var = var->next; 01683 } 01684 if (member->connection && member->user) 01685 member->buddy = ASTOBJ_CONTAINER_FIND(&member->connection->buddies, member->user); 01686 else { 01687 ast_log(LOG_ERROR, "No Connection or Username!\n"); 01688 } 01689 return 1; 01690 }
static int gtalk_digit | ( | struct ast_channel * | ast, | |
char | digit, | |||
unsigned int | duration | |||
) | [static] |
Definition at line 1388 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_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().
01389 { 01390 struct gtalk_pvt *p = ast->tech_pvt; 01391 struct gtalk *client = p->parent; 01392 iks *iq, *gtalk, *dtmf; 01393 char buffer[2] = {digit, '\0'}; 01394 iq = iks_new("iq"); 01395 gtalk = iks_new("gtalk"); 01396 dtmf = iks_new("dtmf"); 01397 if(!iq || !gtalk || !dtmf) { 01398 if(iq) 01399 iks_delete(iq); 01400 if(gtalk) 01401 iks_delete(gtalk); 01402 if(dtmf) 01403 iks_delete(dtmf); 01404 ast_log(LOG_ERROR, "Did not send dtmf do to memory issue\n"); 01405 return -1; 01406 } 01407 01408 iks_insert_attrib(iq, "type", "set"); 01409 iks_insert_attrib(iq, "to", p->them); 01410 iks_insert_attrib(iq, "from", p->us); 01411 iks_insert_attrib(iq, "id", client->connection->mid); 01412 ast_aji_increment_mid(client->connection->mid); 01413 iks_insert_attrib(gtalk, "xmlns", "http://jabber.org/protocol/gtalk"); 01414 iks_insert_attrib(gtalk, "action", "content-info"); 01415 iks_insert_attrib(gtalk, "initiator", p->initiator ? p->us: p->them); 01416 iks_insert_attrib(gtalk, "sid", p->sid); 01417 iks_insert_attrib(dtmf, "xmlns", "http://jabber.org/protocol/gtalk/info/dtmf"); 01418 iks_insert_attrib(dtmf, "code", buffer); 01419 iks_insert_node(iq, gtalk); 01420 iks_insert_node(gtalk, dtmf); 01421 01422 ast_mutex_lock(&p->lock); 01423 if (ast->dtmff.frametype == AST_FRAME_DTMF_BEGIN) { 01424 iks_insert_attrib(dtmf, "action", "button-down"); 01425 } else if (ast->dtmff.frametype == AST_FRAME_DTMF_END) { 01426 iks_insert_attrib(dtmf, "action", "button-up"); 01427 } 01428 iks_send(client->connection->p, iq); 01429 iks_delete(iq); 01430 iks_delete(gtalk); 01431 iks_delete(dtmf); 01432 ast_mutex_unlock(&p->lock); 01433 return 0; 01434 }
static int gtalk_digit_begin | ( | struct ast_channel * | ast, | |
char | digit | |||
) | [static] |
Definition at line 1378 of file chan_gtalk.c.
References gtalk_digit().
01379 { 01380 return gtalk_digit(chan, digit, 0); 01381 }
static int gtalk_digit_end | ( | struct ast_channel * | ast, | |
char | digit, | |||
unsigned int | duration | |||
) | [static] |
Definition at line 1383 of file chan_gtalk.c.
References gtalk_digit().
01384 { 01385 return gtalk_digit(chan, digit, duration); 01386 }
static int gtalk_do_reload | ( | int | fd, | |
int | argc, | |||
char ** | argv | |||
) | [static] |
CLI command "gtalk show channels".
Definition at line 1554 of file chan_gtalk.c.
References ast_verbose(), and RESULT_SUCCESS.
01555 { 01556 ast_verbose("IT DOES WORK!\n"); 01557 return RESULT_SUCCESS; 01558 }
static int gtalk_fixup | ( | struct ast_channel * | oldchan, | |
struct ast_channel * | newchan | |||
) | [static] |
Definition at line 1344 of file chan_gtalk.c.
References ast_mutex_lock(), ast_mutex_unlock(), gtalk_pvt::lock, gtalk_pvt::owner, and ast_channel::tech_pvt.
01345 { 01346 struct gtalk_pvt *p = newchan->tech_pvt; 01347 ast_mutex_lock(&p->lock); 01348 01349 if ((p->owner != oldchan)) { 01350 ast_mutex_unlock(&p->lock); 01351 return -1; 01352 } 01353 if (p->owner == oldchan) 01354 p->owner = newchan; 01355 ast_mutex_unlock(&p->lock); 01356 return 0; 01357 }
static void gtalk_free_candidates | ( | struct gtalk_candidate * | candidate | ) | [static] |
Definition at line 1022 of file chan_gtalk.c.
References free, last, and gtalk_candidate::next.
Referenced by gtalk_free_pvt(), and gtalk_load_config().
01023 { 01024 struct gtalk_candidate *last; 01025 while (candidate) { 01026 last = candidate; 01027 candidate = candidate->next; 01028 free(last); 01029 } 01030 }
Definition at line 1032 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().
01033 { 01034 struct gtalk_pvt *cur, *prev = NULL; 01035 cur = client->p; 01036 while (cur) { 01037 if (cur == p) { 01038 if (prev) 01039 prev->next = p->next; 01040 else 01041 client->p = p->next; 01042 break; 01043 } 01044 prev = cur; 01045 cur = cur->next; 01046 } 01047 if (p->ringrule) 01048 iks_filter_remove_rule(p->parent->connection->f, p->ringrule); 01049 if (p->owner) 01050 ast_log(LOG_WARNING, "Uh oh, there's an owner, this is going to be messy.\n"); 01051 if (p->rtp) 01052 ast_rtp_destroy(p->rtp); 01053 if (p->vrtp) 01054 ast_rtp_destroy(p->vrtp); 01055 gtalk_free_candidates(p->theircandidates); 01056 free(p); 01057 }
static int gtalk_get_codec | ( | struct ast_channel * | chan | ) | [static] |
Definition at line 544 of file chan_gtalk.c.
References gtalk_pvt::peercapability, and ast_channel::tech_pvt.
00545 { 00546 struct gtalk_pvt *p = chan->tech_pvt; 00547 return p->peercapability; 00548 }
static enum ast_rtp_get_result gtalk_get_rtp_peer | ( | struct ast_channel * | chan, | |
struct ast_rtp ** | rtp | |||
) | [static] |
Definition at line 526 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.
00527 { 00528 struct gtalk_pvt *p = chan->tech_pvt; 00529 enum ast_rtp_get_result res = AST_RTP_GET_FAILED; 00530 00531 if (!p) 00532 return res; 00533 00534 ast_mutex_lock(&p->lock); 00535 if (p->rtp){ 00536 *rtp = p->rtp; 00537 res = AST_RTP_TRY_PARTIAL; 00538 } 00539 ast_mutex_unlock(&p->lock); 00540 00541 return res; 00542 }
static int gtalk_handle_dtmf | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 626 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(), aji_client::jid, LOG_NOTICE, gtalk_pvt::next, gtalk_pvt::owner, gtalk::p, gtalk_pvt::sid, and ast_frame::subclass.
Referenced by gtalk_parser().
00627 { 00628 struct gtalk_pvt *tmp; 00629 iks *dtmfnode = NULL; 00630 char *dtmf; 00631 char *from; 00632 /* Make sure our new call doesn't exist yet */ 00633 for (tmp = client->p; tmp; tmp = tmp->next) { 00634 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid)) 00635 break; 00636 } 00637 from = iks_find_attrib(pak->x, "to"); 00638 if(!from) 00639 from = client->connection->jid->full; 00640 00641 00642 if (tmp) { 00643 if(iks_find_with_attrib(pak->x, "dtmf-method", "method", "rtp")) { 00644 gtalk_response(client, from, pak, 00645 "feature-not-implemented xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'", 00646 "unsupported-dtmf-method xmlns='http://jabber.org/protocol/gtalk/info/dtmf#errors'"); 00647 return -1; 00648 } 00649 if ((dtmfnode = iks_find(pak->x, "dtmf"))) { 00650 if((dtmf = iks_find_attrib(dtmfnode, "code"))) { 00651 if(iks_find_with_attrib(pak->x, "dtmf", "action", "button-up")) { 00652 struct ast_frame f = {AST_FRAME_DTMF_BEGIN, }; 00653 f.subclass = dtmf[0]; 00654 ast_queue_frame(tmp->owner, &f); 00655 ast_verbose("GOOGLE! DTMF-relay event received: %c\n", f.subclass); 00656 } else if(iks_find_with_attrib(pak->x, "dtmf", "action", "button-down")) { 00657 struct ast_frame f = {AST_FRAME_DTMF_END, }; 00658 f.subclass = dtmf[0]; 00659 ast_queue_frame(tmp->owner, &f); 00660 ast_verbose("GOOGLE! DTMF-relay event received: %c\n", f.subclass); 00661 } else if(iks_find_attrib(pak->x, "dtmf")) { /* 250 millasecond default */ 00662 struct ast_frame f = {AST_FRAME_DTMF, }; 00663 f.subclass = dtmf[0]; 00664 ast_queue_frame(tmp->owner, &f); 00665 ast_verbose("GOOGLE! DTMF-relay event received: %c\n", f.subclass); 00666 } 00667 } 00668 } 00669 gtalk_response(client, from, pak, NULL, NULL); 00670 return 1; 00671 } else 00672 ast_log(LOG_NOTICE, "Whoa, didn't find call!\n"); 00673 00674 gtalk_response(client, from, pak, NULL, NULL); 00675 return 1; 00676 }
static int gtalk_hangup | ( | struct ast_channel * | ast | ) | [static] |
Hangup a call through the gtalk proxy channel.
Definition at line 1488 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.
01489 { 01490 struct gtalk_pvt *p = ast->tech_pvt; 01491 struct gtalk *client; 01492 01493 ast_mutex_lock(&p->lock); 01494 client = p->parent; 01495 p->owner = NULL; 01496 ast->tech_pvt = NULL; 01497 if (!p->alreadygone) 01498 gtalk_action(client, p, "terminate"); 01499 ast_mutex_unlock(&p->lock); 01500 01501 gtalk_free_pvt(client, p); 01502 ast_module_unref(ast_module_info->self); 01503 01504 return 0; 01505 }
static int gtalk_hangup_farend | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 679 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().
00680 { 00681 struct gtalk_pvt *tmp; 00682 char *from; 00683 00684 ast_log(LOG_DEBUG, "The client is %s\n", client->name); 00685 /* Make sure our new call doesn't exist yet */ 00686 for (tmp = client->p; tmp; tmp = tmp->next) { 00687 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid)) 00688 break; 00689 } 00690 from = iks_find_attrib(pak->x, "to"); 00691 if(!from) 00692 from = client->connection->jid->full; 00693 00694 if (tmp) { 00695 tmp->alreadygone = 1; 00696 if (tmp->owner) 00697 ast_queue_hangup(tmp->owner); 00698 } else 00699 ast_log(LOG_NOTICE, "Whoa, didn't find call!\n"); 00700 gtalk_response(client, from, pak, NULL, NULL); 00701 return 1; 00702 }
static int gtalk_indicate | ( | struct ast_channel * | ast, | |
int | condition, | |||
const void * | data, | |||
size_t | datalen | |||
) | [static] |
Definition at line 1359 of file chan_gtalk.c.
References AST_CONTROL_HOLD, AST_CONTROL_UNHOLD, ast_log(), ast_moh_start(), ast_moh_stop(), and LOG_NOTICE.
01360 { 01361 int res = 0; 01362 01363 switch (condition) { 01364 case AST_CONTROL_HOLD: 01365 ast_moh_start(ast, data, NULL); 01366 break; 01367 case AST_CONTROL_UNHOLD: 01368 ast_moh_stop(ast); 01369 break; 01370 default: 01371 ast_log(LOG_NOTICE, "Don't know how to indicate condition '%d'\n", condition); 01372 res = -1; 01373 } 01374 01375 return res; 01376 }
static int gtalk_invite | ( | struct gtalk_pvt * | p, | |
char * | to, | |||
char * | from, | |||
char * | sid, | |||
int | initiator | |||
) | [static] |
Definition at line 392 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_pvt::parent, and gtalk::prefs.
Referenced by gtalk_answer(), and gtalk_call().
00393 { 00394 struct gtalk *client = p->parent; 00395 iks *iq, *gtalk, *dcodecs, *payload_telephone, *transport; 00396 int x; 00397 int pref_codec = 0; 00398 int alreadysent = 0; 00399 00400 00401 iq = iks_new("iq"); 00402 gtalk = iks_new("session"); 00403 dcodecs = iks_new("description"); 00404 transport = iks_new("transport"); 00405 payload_telephone = iks_new("payload-type"); 00406 if (!(iq && gtalk && dcodecs && transport && payload_telephone)){ 00407 if(iq) 00408 iks_delete(iq); 00409 if(gtalk) 00410 iks_delete(gtalk); 00411 if(dcodecs) 00412 iks_delete(dcodecs); 00413 if(transport) 00414 iks_delete(transport); 00415 if(payload_telephone) 00416 iks_delete(payload_telephone); 00417 00418 ast_log(LOG_ERROR, "Could not allocate iksemel nodes\n"); 00419 return 0; 00420 } 00421 iks_insert_attrib(dcodecs, "xmlns", "http://www.google.com/session/phone"); 00422 iks_insert_attrib(dcodecs, "xml:lang", "en"); 00423 00424 for (x = 0; x < 32; x++) { 00425 if (!(pref_codec = ast_codec_pref_index(&client->prefs, x))) 00426 break; 00427 if (!(client->capability & pref_codec)) 00428 continue; 00429 if (alreadysent & pref_codec) 00430 continue; 00431 add_codec_to_answer(p, pref_codec, dcodecs); 00432 alreadysent |= pref_codec; 00433 } 00434 00435 iks_insert_attrib(payload_telephone, "id", "106"); 00436 iks_insert_attrib(payload_telephone, "name", "telephone-event"); 00437 iks_insert_attrib(payload_telephone, "clockrate", "8000"); 00438 00439 iks_insert_attrib(transport,"xmlns","http://www.google.com/transport/p2p"); 00440 00441 iks_insert_attrib(iq, "type", "set"); 00442 iks_insert_attrib(iq, "to", to); 00443 iks_insert_attrib(iq, "from", from); 00444 iks_insert_attrib(iq, "id", client->connection->mid); 00445 ast_aji_increment_mid(client->connection->mid); 00446 00447 iks_insert_attrib(gtalk, "xmlns", "http://www.google.com/session"); 00448 iks_insert_attrib(gtalk, "type",initiator ? "initiate": "accept"); 00449 iks_insert_attrib(gtalk, "initiator", initiator ? from : to); 00450 iks_insert_attrib(gtalk, "id", sid); 00451 iks_insert_node(iq, gtalk); 00452 iks_insert_node(gtalk, dcodecs); 00453 iks_insert_node(gtalk, transport); 00454 iks_insert_node(dcodecs, payload_telephone); 00455 00456 iks_send(client->connection->p, iq); 00457 iks_delete(payload_telephone); 00458 iks_delete(transport); 00459 iks_delete(dcodecs); 00460 iks_delete(gtalk); 00461 iks_delete(iq); 00462 return 1; 00463 }
static int gtalk_invite_response | ( | struct gtalk_pvt * | p, | |
char * | to, | |||
char * | from, | |||
char * | sid, | |||
int | initiator | |||
) | [static] |
Definition at line 465 of file chan_gtalk.c.
References ast_aji_increment_mid(), ast_log(), gtalk::connection, LOG_ERROR, aji_client::mid, aji_client::p, and gtalk_pvt::parent.
Referenced by gtalk_newcall().
00466 { 00467 iks *iq, *session, *transport; 00468 iq = iks_new("iq"); 00469 session = iks_new("session"); 00470 transport = iks_new("transport"); 00471 if(!(iq && session && transport)) { 00472 if(iq) 00473 iks_delete(iq); 00474 if(session) 00475 iks_delete(session); 00476 if(transport) 00477 iks_delete(transport); 00478 ast_log(LOG_ERROR, " Unable to allocate IKS node\n"); 00479 return -1; 00480 } 00481 iks_insert_attrib(iq, "from", from); 00482 iks_insert_attrib(iq, "to", to); 00483 iks_insert_attrib(iq, "type", "set"); 00484 iks_insert_attrib(iq, "id",p->parent->connection->mid); 00485 ast_aji_increment_mid(p->parent->connection->mid); 00486 iks_insert_attrib(session, "type", "transport-accept"); 00487 iks_insert_attrib(session, "id", sid); 00488 iks_insert_attrib(session, "initiator", initiator ? from : to); 00489 iks_insert_attrib(session, "xmlns", "http://www.google.com/session"); 00490 iks_insert_attrib(transport, "xmlns", "http://www.google.com/transport/p2p"); 00491 iks_insert_node(iq,session); 00492 iks_insert_node(session,transport); 00493 iks_send(p->parent->connection->p, iq); 00494 iks_delete(transport); 00495 iks_delete(session); 00496 iks_delete(iq); 00497 return 1; 00498 00499 }
static int gtalk_is_answered | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 602 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().
00603 { 00604 struct gtalk_pvt *tmp; 00605 char *from; 00606 ast_log(LOG_DEBUG, "The client is %s\n", client->name); 00607 /* Make sure our new call doesn't exist yet */ 00608 for (tmp = client->p; tmp; tmp = tmp->next) { 00609 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid)) 00610 break; 00611 } 00612 00613 from = iks_find_attrib(pak->x, "to"); 00614 if(!from) 00615 from = client->connection->jid->full; 00616 00617 if (tmp) { 00618 if (tmp->owner) 00619 ast_queue_control(tmp->owner, AST_CONTROL_ANSWER); 00620 } else 00621 ast_log(LOG_NOTICE, "Whoa, didn't find call!\n"); 00622 gtalk_response(client, from, pak, NULL, NULL); 00623 return 1; 00624 }
static int gtalk_load_config | ( | void | ) | [static] |
Definition at line 1692 of file chan_gtalk.c.
References gtalk::allowguest, ast_aji_get_clients(), 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(), ASTOBJ_CONTAINER_LINK, ASTOBJ_CONTAINER_TRAVERSE, ASTOBJ_INIT, ASTOBJ_UNLOCK, ASTOBJ_UNREF, ASTOBJ_WRLOCK, gtalk::capability, clients, gtalk::connection, gtalk::context, context, global_jbconf, GOOGLE_CONFIG, gtalk_create_member(), gtalk_free_candidates(), gtalk_list, gtalk_member_destroy(), gtalk_parser(), hp, LOG_WARNING, malloc, ast_variable::name, ast_variable::next, gtalk::prefs, gtalk::user, ast_variable::value, and var.
Referenced by load_module().
01693 { 01694 char *cat = NULL; 01695 struct ast_config *cfg = NULL; 01696 char context[100]; 01697 int allowguest = 1; 01698 struct ast_variable *var; 01699 struct gtalk *member; 01700 struct ast_codec_pref prefs; 01701 struct aji_client_container *clients; 01702 struct gtalk_candidate *global_candidates = NULL; 01703 struct hostent *hp; 01704 struct ast_hostent ahp; 01705 01706 cfg = ast_config_load(GOOGLE_CONFIG); 01707 if (!cfg) 01708 return 0; 01709 01710 /* Copy the default jb config over global_jbconf */ 01711 memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf)); 01712 01713 cat = ast_category_browse(cfg, NULL); 01714 for (var = ast_variable_browse(cfg, "general"); var; var = var->next) { 01715 /* handle jb conf */ 01716 if (!ast_jb_read_conf(&global_jbconf, var->name, var->value)) 01717 continue; 01718 01719 if (!strcasecmp(var->name, "allowguest")) 01720 allowguest = 01721 (ast_true(ast_variable_retrieve(cfg, "general", "allowguest"))) ? 1 : 0; 01722 else if (!strcasecmp(var->name, "disallow")) 01723 ast_parse_allow_disallow(&prefs, &global_capability, var->value, 0); 01724 else if (!strcasecmp(var->name, "allow")) 01725 ast_parse_allow_disallow(&prefs, &global_capability, var->value, 1); 01726 else if (!strcasecmp(var->name, "context")) 01727 ast_copy_string(context, var->value, sizeof(context)); 01728 else if (!strcasecmp(var->name, "bindaddr")) { 01729 if (!(hp = ast_gethostbyname(var->value, &ahp))) { 01730 ast_log(LOG_WARNING, "Invalid address: %s\n", var->value); 01731 } else { 01732 memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr)); 01733 } 01734 } 01735 /* Idea to allow for custom candidates */ 01736 /* 01737 else if (!strcasecmp(var->name, "candidate")) { 01738 candidate = gtalk_create_candidate(var->value); 01739 if (candidate) { 01740 candidate->next = global_candidates; 01741 global_candidates = candidate; 01742 } 01743 } 01744 */ 01745 } 01746 while (cat) { 01747 if (strcasecmp(cat, "general")) { 01748 var = ast_variable_browse(cfg, cat); 01749 member = (struct gtalk *) malloc(sizeof(struct gtalk)); 01750 memset(member, 0, sizeof(struct gtalk)); 01751 ASTOBJ_INIT(member); 01752 ASTOBJ_WRLOCK(member); 01753 if (!strcasecmp(cat, "guest")) { 01754 ast_copy_string(member->name, "guest", sizeof(member->name)); 01755 ast_copy_string(member->user, "guest", sizeof(member->user)); 01756 ast_copy_string(member->context, context, sizeof(member->context)); 01757 member->allowguest = allowguest; 01758 member->prefs = prefs; 01759 while (var) { 01760 if (!strcasecmp(var->name, "disallow")) 01761 ast_parse_allow_disallow(&member->prefs, &member->capability, 01762 var->value, 0); 01763 else if (!strcasecmp(var->name, "allow")) 01764 ast_parse_allow_disallow(&member->prefs, &member->capability, 01765 var->value, 1); 01766 else if (!strcasecmp(var->name, "context")) 01767 ast_copy_string(member->context, var->value, 01768 sizeof(member->context)); 01769 /* Idea to allow for custom candidates */ 01770 /* 01771 else if (!strcasecmp(var->name, "candidate")) { 01772 candidate = gtalk_create_candidate(var->value); 01773 if (candidate) { 01774 candidate->next = member->ourcandidates; 01775 member->ourcandidates = candidate; 01776 } 01777 } 01778 */ 01779 var = var->next; 01780 } 01781 ASTOBJ_UNLOCK(member); 01782 clients = ast_aji_get_clients(); 01783 if (clients) { 01784 ASTOBJ_CONTAINER_TRAVERSE(clients, 1, { 01785 ASTOBJ_WRLOCK(iterator); 01786 ASTOBJ_WRLOCK(member); 01787 member->connection = iterator; 01788 iks_filter_add_rule(iterator->f, gtalk_parser, member, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_NS, 01789 "http://www.google.com/session", IKS_RULE_DONE); 01790 ASTOBJ_UNLOCK(member); 01791 ASTOBJ_CONTAINER_LINK(>alk_list, member); 01792 ASTOBJ_UNLOCK(iterator); 01793 }); 01794 } else { 01795 ASTOBJ_UNLOCK(member); 01796 ASTOBJ_UNREF(member, gtalk_member_destroy); 01797 } 01798 } else { 01799 ASTOBJ_UNLOCK(member); 01800 if (gtalk_create_member(cat, var, allowguest, prefs, context, member)) 01801 ASTOBJ_CONTAINER_LINK(>alk_list, member); 01802 ASTOBJ_UNREF(member, gtalk_member_destroy); 01803 } 01804 } 01805 cat = ast_category_browse(cfg, cat); 01806 } 01807 gtalk_free_candidates(global_candidates); 01808 return 1; 01809 }
static void gtalk_member_destroy | ( | struct gtalk * | obj | ) | [static] |
Definition at line 258 of file chan_gtalk.c.
References free.
Referenced by gtalk_load_config(), gtalk_parser(), and unload_module().
00259 { 00260 free(obj); 00261 }
static struct ast_channel* gtalk_new | ( | struct gtalk * | client, | |
struct gtalk_pvt * | i, | |||
int | state, | |||
const char * | title | |||
) | [static, read] |
Start new gtalk channel.
Definition at line 898 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, ast_callerid::cid_name, gtalk_pvt::cid_name, ast_callerid::cid_num, 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_jbconf, 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().
00899 { 00900 struct ast_channel *tmp; 00901 int fmt; 00902 int what; 00903 const char *n2; 00904 char *data = NULL, *cid = NULL; 00905 00906 if (title) 00907 n2 = title; 00908 else 00909 n2 = i->us; 00910 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); 00911 if (!tmp) { 00912 ast_log(LOG_WARNING, "Unable to allocate Gtalk channel structure!\n"); 00913 return NULL; 00914 } 00915 tmp->tech = >alk_tech; 00916 00917 /* Select our native format based on codec preference until we receive 00918 something from another device to the contrary. */ 00919 /* ast_verbose("XXXXXXXXXXXXX\nXXX i->jointcapability = %X\nXXX i->capability = %X\nXXX global_capability %X\n XXXXXXXXXXXX\n",i->jointcapability,i->capability,global_capability); */ 00920 if (i->jointcapability) 00921 what = i->jointcapability; 00922 else if (i->capability) 00923 what = i->capability; 00924 else 00925 what = global_capability; 00926 tmp->nativeformats = ast_codec_choose(&i->prefs, what, 1) | (i->jointcapability & AST_FORMAT_VIDEO_MASK); 00927 fmt = ast_best_codec(tmp->nativeformats); 00928 00929 if (i->rtp) { 00930 ast_rtp_setstun(i->rtp, 1); 00931 tmp->fds[0] = ast_rtp_fd(i->rtp); 00932 tmp->fds[1] = ast_rtcp_fd(i->rtp); 00933 } 00934 if (i->vrtp) { 00935 ast_rtp_setstun(i->rtp, 1); 00936 tmp->fds[2] = ast_rtp_fd(i->vrtp); 00937 tmp->fds[3] = ast_rtcp_fd(i->vrtp); 00938 } 00939 if (state == AST_STATE_RING) 00940 tmp->rings = 1; 00941 tmp->adsicpe = AST_ADSI_UNAVAILABLE; 00942 tmp->writeformat = fmt; 00943 tmp->rawwriteformat = fmt; 00944 tmp->readformat = fmt; 00945 tmp->rawreadformat = fmt; 00946 tmp->tech_pvt = i; 00947 00948 tmp->callgroup = client->callgroup; 00949 tmp->pickupgroup = client->pickupgroup; 00950 tmp->cid.cid_pres = client->callingpres; 00951 if (!ast_strlen_zero(client->accountcode)) 00952 ast_string_field_set(tmp, accountcode, client->accountcode); 00953 if (client->amaflags) 00954 tmp->amaflags = client->amaflags; 00955 if (!ast_strlen_zero(client->language)) 00956 ast_string_field_set(tmp, language, client->language); 00957 if (!ast_strlen_zero(client->musicclass)) 00958 ast_string_field_set(tmp, musicclass, client->musicclass); 00959 i->owner = tmp; 00960 ast_module_ref(ast_module_info->self); 00961 ast_copy_string(tmp->context, client->context, sizeof(tmp->context)); 00962 ast_copy_string(tmp->exten, i->exten, sizeof(tmp->exten)); 00963 /* Don't use ast_set_callerid() here because it will 00964 * generate a needless NewCallerID event */ 00965 if (!strcasecmp(client->name, "guest")) { 00966 data = ast_strdupa(i->them); 00967 if (strchr(data, '/')) { 00968 cid = strsep(&data, "/"); 00969 } else 00970 cid = data; 00971 } else { 00972 data = ast_strdupa(client->user); 00973 cid = data; 00974 } 00975 cid = strsep(&cid, "@"); 00976 tmp->cid.cid_num = ast_strdup(cid); 00977 tmp->cid.cid_ani = ast_strdup(cid); 00978 tmp->cid.cid_name = ast_strdup(i->them); 00979 if (!ast_strlen_zero(i->exten) && strcmp(i->exten, "s")) 00980 tmp->cid.cid_dnid = ast_strdup(i->exten); 00981 tmp->priority = 1; 00982 if (i->rtp) 00983 ast_jb_configure(tmp, &global_jbconf); 00984 if (state != AST_STATE_DOWN && ast_pbx_start(tmp)) { 00985 ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name); 00986 tmp->hangupcause = AST_CAUSE_SWITCH_CONGESTION; 00987 ast_hangup(tmp); 00988 tmp = NULL; 00989 } 00990 00991 return tmp; 00992 }
static int gtalk_newcall | ( | struct gtalk * | client, | |
ikspak * | pak | |||
) | [static] |
Definition at line 1060 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().
01061 { 01062 struct gtalk_pvt *p, *tmp = client->p; 01063 struct ast_channel *chan; 01064 int res; 01065 iks *codec; 01066 char *from = NULL; 01067 /* Make sure our new call doesn't exist yet */ 01068 from = iks_find_attrib(pak->x,"to"); 01069 if(!from) 01070 from = client->connection->jid->full; 01071 01072 while (tmp) { 01073 if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid)) { 01074 ast_log(LOG_NOTICE, "Ignoring duplicate call setup on SID %s\n", tmp->sid); 01075 gtalk_response(client, from, pak, "out-of-order", NULL); 01076 return -1; 01077 } 01078 tmp = tmp->next; 01079 } 01080 01081 p = gtalk_alloc(client, from, pak->from->full, iks_find_attrib(pak->query, "id")); 01082 if (!p) { 01083 ast_log(LOG_WARNING, "Unable to allocate gtalk structure!\n"); 01084 return -1; 01085 } 01086 chan = gtalk_new(client, p, AST_STATE_DOWN, pak->from->user); 01087 if (chan) { 01088 ast_mutex_lock(&p->lock); 01089 ast_copy_string(p->them, pak->from->full, sizeof(p->them)); 01090 if (iks_find_attrib(pak->query, "id")) { 01091 ast_copy_string(p->sid, iks_find_attrib(pak->query, "id"), 01092 sizeof(p->sid)); 01093 } 01094 01095 codec = iks_child(iks_child(iks_child(pak->x))); 01096 while (codec) { 01097 ast_rtp_set_m_type(p->rtp, atoi(iks_find_attrib(codec, "id"))); 01098 ast_rtp_set_rtpmap_type(p->rtp, atoi(iks_find_attrib(codec, "id")), "audio", 01099 iks_find_attrib(codec, "name"), 0); 01100 codec = iks_next(codec); 01101 } 01102 01103 ast_mutex_unlock(&p->lock); 01104 ast_setstate(chan, AST_STATE_RING); 01105 res = ast_pbx_start(chan); 01106 01107 switch (res) { 01108 case AST_PBX_FAILED: 01109 ast_log(LOG_WARNING, "Failed to start PBX :(\n"); 01110 gtalk_response(client, from, pak, "service-unavailable", NULL); 01111 break; 01112 case AST_PBX_CALL_LIMIT: 01113 ast_log(LOG_WARNING, "Failed to start PBX (call limit reached) \n"); 01114 gtalk_response(client, from, pak, "service-unavailable", NULL); 01115 break; 01116 case AST_PBX_SUCCESS: 01117 gtalk_response(client, from, pak, NULL, NULL); 01118 gtalk_invite_response(p, p->them, p->us,p->sid, 0); 01119 gtalk_create_candidates(client, p, p->sid, p->them, p->us); 01120 /* nothing to do */ 01121 break; 01122 } 01123 } else { 01124 gtalk_free_pvt(client, p); 01125 } 01126 return 1; 01127 }
static int gtalk_parser | ( | void * | data, | |
ikspak * | pak | |||
) | [static] |
Definition at line 1560 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(), and gtalk_load_config().
01561 { 01562 struct gtalk *client = ASTOBJ_REF((struct gtalk *) data); 01563 01564 if (iks_find_with_attrib(pak->x, "session", "type", "initiate")) { 01565 /* New call */ 01566 gtalk_newcall(client, pak); 01567 } else if (iks_find_with_attrib(pak->x, "session", "type", "candidates") || iks_find_with_attrib(pak->x, "session", "type", "transport-info")) { 01568 if (option_debug > 2) 01569 ast_log(LOG_DEBUG, "About to add candidate!\n"); 01570 gtalk_add_candidate(client, pak); 01571 if (option_debug > 2) 01572 ast_log(LOG_DEBUG, "Candidate Added!\n"); 01573 } else if (iks_find_with_attrib(pak->x, "session", "type", "accept") || iks_find_with_attrib(pak->x, "session", "type", "transport-accept")) { 01574 gtalk_is_answered(client, pak); 01575 } else if (iks_find_with_attrib(pak->x, "session", "type", "content-info")) { 01576 gtalk_handle_dtmf(client, pak); 01577 } else if (iks_find_with_attrib(pak->x, "session", "type", "terminate")) { 01578 gtalk_hangup_farend(client, pak); 01579 } else if (iks_find_with_attrib(pak->x, "session", "type", "reject")) { 01580 gtalk_hangup_farend(client, pak); 01581 } 01582 ASTOBJ_UNREF(client, gtalk_member_destroy); 01583 return IKS_FILTER_EAT; 01584 }
static struct ast_frame * gtalk_read | ( | struct ast_channel * | ast | ) | [static, read] |
Definition at line 1289 of file chan_gtalk.c.
References ast_mutex_lock(), ast_mutex_unlock(), gtalk_rtp_read(), gtalk_pvt::lock, and ast_channel::tech_pvt.
01290 { 01291 struct ast_frame *fr; 01292 struct gtalk_pvt *p = ast->tech_pvt; 01293 01294 ast_mutex_lock(&p->lock); 01295 fr = gtalk_rtp_read(ast, p); 01296 ast_mutex_unlock(&p->lock); 01297 return fr; 01298 }
static struct ast_channel * gtalk_request | ( | const char * | type, | |
int | format, | |||
void * | data, | |||
int * | cause | |||
) | [static, read] |
Part of PBX interface.
Definition at line 1508 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.
01509 { 01510 struct gtalk_pvt *p = NULL; 01511 struct gtalk *client = NULL; 01512 char *sender = NULL, *to = NULL, *s = NULL; 01513 struct ast_channel *chan = NULL; 01514 01515 if (data) { 01516 s = ast_strdupa(data); 01517 if (s) { 01518 sender = strsep(&s, "/"); 01519 if (sender && (sender[0] != '\0')) 01520 to = strsep(&s, "/"); 01521 if (!to) { 01522 ast_log(LOG_ERROR, "Bad arguments in Gtalk Dialstring: %s\n", (char*) data); 01523 return NULL; 01524 } 01525 } 01526 } 01527 client = find_gtalk(to, sender); 01528 if (!client) { 01529 ast_log(LOG_WARNING, "Could not find recipient.\n"); 01530 return NULL; 01531 } 01532 ASTOBJ_WRLOCK(client); 01533 p = gtalk_alloc(client, strchr(sender, '@') ? sender : client->connection->jid->full, strchr(to, '@') ? to : client->user, NULL); 01534 if (p) 01535 chan = gtalk_new(client, p, AST_STATE_DOWN, to); 01536 01537 ASTOBJ_UNLOCK(client); 01538 return chan; 01539 }
static int gtalk_response | ( | struct gtalk * | client, | |
char * | from, | |||
ikspak * | pak, | |||
const char * | reasonstr, | |||
const char * | reasonstr2 | |||
) | [static] |
Definition at line 570 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().
00571 { 00572 iks *response = NULL, *error = NULL, *reason = NULL; 00573 int res = -1; 00574 00575 response = iks_new("iq"); 00576 if (response) { 00577 iks_insert_attrib(response, "type", "result"); 00578 iks_insert_attrib(response, "from", from); 00579 iks_insert_attrib(response, "to", iks_find_attrib(pak->x, "from")); 00580 iks_insert_attrib(response, "id", iks_find_attrib(pak->x, "id")); 00581 if (reasonstr) { 00582 error = iks_new("error"); 00583 if (error) { 00584 iks_insert_attrib(error, "type", "cancel"); 00585 reason = iks_new(reasonstr); 00586 if (reason) 00587 iks_insert_node(error, reason); 00588 iks_insert_node(response, error); 00589 } 00590 } 00591 iks_send(client->connection->p, response); 00592 if (reason) 00593 iks_delete(reason); 00594 if (error) 00595 iks_delete(error); 00596 iks_delete(response); 00597 res = 0; 00598 } 00599 return res; 00600 }
static int gtalk_ringing_ack | ( | void * | data, | |
ikspak * | pak | |||
) | [static] |
Definition at line 501 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().
00502 { 00503 struct gtalk_pvt *p = data; 00504 00505 if (p->ringrule) 00506 iks_filter_remove_rule(p->parent->connection->f, p->ringrule); 00507 p->ringrule = NULL; 00508 if (p->owner) 00509 ast_queue_control(p->owner, AST_CONTROL_RINGING); 00510 return IKS_FILTER_EAT; 00511 }
static struct ast_frame* gtalk_rtp_read | ( | struct ast_channel * | ast, | |
struct gtalk_pvt * | p | |||
) | [static, read] |
Definition at line 1260 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, ast_frame::frametype, gtalk_update_stun(), LOG_DEBUG, ast_channel::nativeformats, option_debug, gtalk_pvt::owner, gtalk_pvt::parent, ast_channel::readformat, gtalk_pvt::rtp, ast_frame::subclass, and ast_channel::writeformat.
Referenced by gtalk_read().
01261 { 01262 struct ast_frame *f; 01263 01264 if (!p->rtp) 01265 return &ast_null_frame; 01266 f = ast_rtp_read(p->rtp); 01267 gtalk_update_stun(p->parent, p); 01268 if (p->owner) { 01269 /* We already hold the channel lock */ 01270 if (f->frametype == AST_FRAME_VOICE) { 01271 if (f->subclass != (p->owner->nativeformats & AST_FORMAT_AUDIO_MASK)) { 01272 if (option_debug) 01273 ast_log(LOG_DEBUG, "Oooh, format changed to %d\n", f->subclass); 01274 p->owner->nativeformats = 01275 (p->owner->nativeformats & AST_FORMAT_VIDEO_MASK) | f->subclass; 01276 ast_set_read_format(p->owner, p->owner->readformat); 01277 ast_set_write_format(p->owner, p->owner->writeformat); 01278 } 01279 /* if ((ast_test_flag(p, SIP_DTMF) == SIP_DTMF_INBAND) && p->vad) { 01280 f = ast_dsp_process(p->owner, p->vad, f); 01281 if (option_debug && f && (f->frametype == AST_FRAME_DTMF)) 01282 ast_log(LOG_DEBUG, "* Detected inband DTMF '%c'\n", f->subclass); 01283 } */ 01284 } 01285 } 01286 return f; 01287 }
static int gtalk_sendhtml | ( | struct ast_channel * | ast, | |
int | subclass, | |||
const char * | data, | |||
int | datalen | |||
) | [static] |
Definition at line 1436 of file chan_gtalk.c.
References ast_log(), and LOG_NOTICE.
01437 { 01438 ast_log(LOG_NOTICE, "XXX Implement gtalk sendhtml XXX\n"); 01439 01440 return -1; 01441 }
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 550 of file chan_gtalk.c.
References ast_mutex_lock(), ast_mutex_unlock(), gtalk_pvt::lock, and ast_channel::tech_pvt.
00551 { 00552 struct gtalk_pvt *p; 00553 00554 p = chan->tech_pvt; 00555 if (!p) 00556 return -1; 00557 ast_mutex_lock(&p->lock); 00558 00559 /* if (rtp) 00560 ast_rtp_get_peer(rtp, &p->redirip); 00561 else 00562 memset(&p->redirip, 0, sizeof(p->redirip)); 00563 p->redircodecs = codecs; */ 00564 00565 /* Reset lastrtprx timer */ 00566 ast_mutex_unlock(&p->lock); 00567 return 0; 00568 }
static int gtalk_show_channels | ( | int | fd, | |
int | argc, | |||
char ** | argv | |||
) | [static] |
CLI command "gtalk show channels".
Definition at line 1542 of file chan_gtalk.c.
References ast_cli(), ast_mutex_lock(), ast_mutex_unlock(), RESULT_SHOWUSAGE, and RESULT_SUCCESS.
01543 { 01544 if (argc != 3) 01545 return RESULT_SHOWUSAGE; 01546 ast_mutex_lock(>alklock); 01547 // if (!gtalk_list->p) 01548 ast_cli(fd, "No gtalk channels in use\n"); 01549 ast_mutex_unlock(>alklock); 01550 return RESULT_SUCCESS; 01551 }
Definition at line 1129 of file chan_gtalk.c.
References 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().
01130 { 01131 struct gtalk_candidate *tmp; 01132 struct hostent *hp; 01133 struct ast_hostent ahp; 01134 struct sockaddr_in sin; 01135 struct sockaddr_in aux; 01136 01137 if (time(NULL) == p->laststun) 01138 return 0; 01139 01140 tmp = p->theircandidates; 01141 p->laststun = time(NULL); 01142 while (tmp) { 01143 char username[256]; 01144 01145 /* Find the IP address of the host */ 01146 hp = ast_gethostbyname(tmp->ip, &ahp); 01147 sin.sin_family = AF_INET; 01148 memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr)); 01149 sin.sin_port = htons(tmp->port); 01150 snprintf(username, sizeof(username), "%s%s", tmp->username, 01151 p->ourcandidates->username); 01152 01153 /* Find out the result of the STUN */ 01154 ast_rtp_get_peer(p->rtp, &aux); 01155 01156 /* If the STUN result is different from the IP of the hostname, 01157 lock on the stun IP of the hostname advertised by the 01158 remote client */ 01159 if (aux.sin_addr.s_addr && 01160 aux.sin_addr.s_addr != sin.sin_addr.s_addr) 01161 ast_rtp_stun_request(p->rtp, &aux, username); 01162 else 01163 ast_rtp_stun_request(p->rtp, &sin, username); 01164 01165 if (aux.sin_addr.s_addr && option_debug > 3) { 01166 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); 01167 ast_log(LOG_DEBUG, "Sending STUN request to %s\n", tmp->ip); 01168 } 01169 01170 tmp = tmp->next; 01171 } 01172 return 1; 01173 }
static int gtalk_write | ( | struct ast_channel * | ast, | |
struct ast_frame * | f | |||
) | [static] |
Send frame to media channel (rtp).
Definition at line 1301 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.
01302 { 01303 struct gtalk_pvt *p = ast->tech_pvt; 01304 int res = 0; 01305 01306 switch (frame->frametype) { 01307 case AST_FRAME_VOICE: 01308 if (!(frame->subclass & ast->nativeformats)) { 01309 ast_log(LOG_WARNING, 01310 "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n", 01311 frame->subclass, ast->nativeformats, ast->readformat, 01312 ast->writeformat); 01313 return 0; 01314 } 01315 if (p) { 01316 ast_mutex_lock(&p->lock); 01317 if (p->rtp) { 01318 res = ast_rtp_write(p->rtp, frame); 01319 } 01320 ast_mutex_unlock(&p->lock); 01321 } 01322 break; 01323 case AST_FRAME_VIDEO: 01324 if (p) { 01325 ast_mutex_lock(&p->lock); 01326 if (p->vrtp) { 01327 res = ast_rtp_write(p->vrtp, frame); 01328 } 01329 ast_mutex_unlock(&p->lock); 01330 } 01331 break; 01332 case AST_FRAME_IMAGE: 01333 return 0; 01334 break; 01335 default: 01336 ast_log(LOG_WARNING, "Can't send %d type frames with Gtalk write\n", 01337 frame->frametype); 01338 return 0; 01339 } 01340 01341 return res; 01342 }
static int load_module | ( | void | ) | [static] |
Load module into PBX, register channel.
Definition at line 1812 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, GOOGLE_CONFIG, gtalk_list, gtalk_load_config(), io_context_create(), LOG_ERROR, LOG_WARNING, sched_context_create(), and ast_channel_tech::type.
01813 { 01814 #ifdef HAVE_GNUTLS 01815 gcry_control (GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread); 01816 #endif /* HAVE_GNUTLS */ 01817 01818 ASTOBJ_CONTAINER_INIT(>alk_list); 01819 if (!gtalk_load_config()) { 01820 ast_log(LOG_ERROR, "Unable to read config file %s. Not loading module.\n", GOOGLE_CONFIG); 01821 return 0; 01822 } 01823 01824 sched = sched_context_create(); 01825 if (!sched) 01826 ast_log(LOG_WARNING, "Unable to create schedule context\n"); 01827 01828 io = io_context_create(); 01829 if (!io) 01830 ast_log(LOG_WARNING, "Unable to create I/O context\n"); 01831 01832 if (ast_find_ourip(&__ourip, bindaddr)) { 01833 ast_log(LOG_WARNING, "Unable to get own IP address, Gtalk disabled\n"); 01834 return 0; 01835 } 01836 01837 ast_rtp_proto_register(>alk_rtp); 01838 ast_cli_register_multiple(gtalk_cli, sizeof(gtalk_cli) / sizeof(gtalk_cli[0])); 01839 01840 /* Make sure we can register our channel type */ 01841 if (ast_channel_register(>alk_tech)) { 01842 ast_log(LOG_ERROR, "Unable to register channel class %s\n", gtalk_tech.type); 01843 return -1; 01844 } 01845 return 0; 01846 }
static int reload | ( | void | ) | [static] |
static int unload_module | ( | void | ) | [static] |
Unload the gtalk channel from Asterisk.
Definition at line 1855 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_list, gtalk_member_destroy(), LOG_WARNING, gtalk_pvt::next, and gtalk_pvt::owner.
01856 { 01857 struct gtalk_pvt *privates = NULL; 01858 ast_cli_unregister_multiple(gtalk_cli, sizeof(gtalk_cli) / sizeof(gtalk_cli[0])); 01859 /* First, take us out of the channel loop */ 01860 ast_channel_unregister(>alk_tech); 01861 ast_rtp_proto_unregister(>alk_rtp); 01862 01863 if (!ast_mutex_lock(>alklock)) { 01864 /* Hangup all interfaces if they have an owner */ 01865 ASTOBJ_CONTAINER_TRAVERSE(>alk_list, 1, { 01866 ASTOBJ_WRLOCK(iterator); 01867 privates = iterator->p; 01868 while(privates) { 01869 if (privates->owner) 01870 ast_softhangup(privates->owner, AST_SOFTHANGUP_APPUNLOAD); 01871 privates = privates->next; 01872 } 01873 iterator->p = NULL; 01874 ASTOBJ_UNLOCK(iterator); 01875 }); 01876 ast_mutex_unlock(>alklock); 01877 } else { 01878 ast_log(LOG_WARNING, "Unable to lock the monitor\n"); 01879 return -1; 01880 } 01881 ASTOBJ_CONTAINER_DESTROYALL(>alk_list, gtalk_member_destroy); 01882 ASTOBJ_CONTAINER_DESTROY(>alk_list); 01883 return 0; 01884 }
struct in_addr __ourip [static] |
Definition at line 227 of file chan_gtalk.c.
struct sockaddr_in bindaddr = { 0, } [static] |
The address we bind to
Definition at line 223 of file chan_gtalk.c.
Referenced by __oh323_rtp_create(), ast_sip_ouraddrfor(), 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 238 of file chan_gtalk.c.
struct ast_jb_conf default_jbconf [static] |
Global jitterbuffer configuration - by default, jb is disabled
Definition at line 89 of file chan_gtalk.c.
const char desc[] = "Gtalk Channel" [static] |
Definition at line 173 of file chan_gtalk.c.
Referenced by load_rpt_vars(), misdn_cfg_get_desc(), and show_config_description().
char externip[16] [static] |
Definition at line 254 of file chan_gtalk.c.
Referenced by ast_sip_ouraddrfor(), and reload_config().
int global_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW | AST_FORMAT_GSM | AST_FORMAT_H263 [static] |
Definition at line 175 of file chan_gtalk.c.
struct ast_jb_conf global_jbconf [static] |
Definition at line 96 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 247 of file chan_gtalk.c.
struct gtalk_container gtalk_list [static] |
Definition at line 256 of file chan_gtalk.c.
Referenced by find_gtalk(), gtalk_load_config(), load_module(), and unload_module().
struct ast_rtp_protocol gtalk_rtp [static] |
struct ast_channel_tech gtalk_tech [static] |
struct io_context* io [static] |
The IO context
Definition at line 226 of file chan_gtalk.c.
char reload_usage[] [static] |
Initial value:
"Usage: gtalk reload\n" " Reload gtalk channel driver.\n"
Definition at line 242 of file chan_gtalk.c.
struct sched_context* sched [static] |
The scheduling context
Definition at line 225 of file chan_gtalk.c.