chan_gtalk.c File Reference
Gtalk Channel Driver, until google/libjingle works with jingle spec. More...
#include "asterisk.h"#include <sys/socket.h>#include <fcntl.h>#include <netdb.h>#include <netinet/in.h>#include <arpa/inet.h>#include <sys/signal.h>#include <iksemel.h>#include <pthread.h>#include <ctype.h>#include "asterisk/lock.h"#include "asterisk/channel.h"#include "asterisk/config.h"#include "asterisk/module.h"#include "asterisk/pbx.h"#include "asterisk/sched.h"#include "asterisk/io.h"#include "asterisk/rtp.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 | FORMAT "%-30.30s %-30.30s %-15.15s %-5.5s %-5.5s \n" |
| #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 void | __reg_module (void) |
| static void | __unreg_module (void) |
| static int | add_codec_to_answer (const struct gtalk_pvt *p, int codec, iks *dcodecs) |
| 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 char * | gtalk_do_reload (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
| CLI command "gtalk reload". | |
| 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_accepted (struct gtalk *client, ikspak *pak) |
| static int | gtalk_is_answered (struct gtalk *client, ikspak *pak) |
| static int | gtalk_load_config (void) |
| static void | gtalk_member_destroy (struct gtalk *obj) |
| static struct ast_channel * | gtalk_new (struct gtalk *client, struct gtalk_pvt *i, int state, const char *title) |
| 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, struct ast_rtp *trtp, int codecs, int nat_active) |
| static char * | gtalk_show_channels (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
| CLI command "gtalk show channels". | |
| static int | gtalk_update_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 ast_module_info __MODULE_INFO_SECTION | __mod_info = { __MODULE_INFO_GLOBALS .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Gtalk Channel Driver" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .reload = reload, } |
| static struct in_addr | __ourip |
| static struct ast_module_info * | ast_module_info = &__mod_info |
| static struct sockaddr_in | bindaddr = { 0, } |
| 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 ast_mutex_t | gtalklock = AST_MUTEX_INIT_VALUE |
| static struct io_context * | io |
| static struct sched_context * | sched |
Detailed Description
Gtalk Channel Driver, until google/libjingle works with jingle spec.
Definition in file chan_gtalk.c.
Define Documentation
| #define FORMAT "%-30.30s %-30.30s %-15.15s %-5.5s %-5.5s \n" |
| #define GOOGLE_CONFIG "gtalk.conf" |
Definition at line 70 of file chan_gtalk.c.
Referenced by gtalk_load_config(), and load_module().
| #define GOOGLE_NS "http://www.google.com/session" |
Definition at line 72 of file chan_gtalk.c.
Referenced by gtalk_create_candidates().
Enumeration Type Documentation
| enum gtalk_connect_type |
Definition at line 91 of file chan_gtalk.c.
{
AJI_CONNECT_STUN = 1,
AJI_CONNECT_LOCAL = 2,
AJI_CONNECT_RELAY = 3,
};
| enum gtalk_protocol |
Definition at line 86 of file chan_gtalk.c.
{
AJI_PROTOCOL_UDP = 1,
AJI_PROTOCOL_SSLTCP = 2,
};
Function Documentation
| static void __reg_module | ( | void | ) | [static] |
Definition at line 2119 of file chan_gtalk.c.
| static void __unreg_module | ( | void | ) | [static] |
Definition at line 2119 of file chan_gtalk.c.
| static int add_codec_to_answer | ( | const struct gtalk_pvt * | p, |
| int | codec, | ||
| iks * | dcodecs | ||
| ) | [static] |
Definition at line 274 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().
{
int res = 0;
char *format = ast_getformatname(codec);
if (!strcasecmp("ulaw", format)) {
iks *payload_eg711u, *payload_pcmu;
payload_pcmu = iks_new("payload-type");
payload_eg711u = iks_new("payload-type");
if(!payload_eg711u || !payload_pcmu) {
iks_delete(payload_pcmu);
iks_delete(payload_eg711u);
ast_log(LOG_WARNING,"Failed to allocate iks node");
return -1;
}
iks_insert_attrib(payload_pcmu, "id", "0");
iks_insert_attrib(payload_pcmu, "name", "PCMU");
iks_insert_attrib(payload_pcmu, "clockrate","8000");
iks_insert_attrib(payload_pcmu, "bitrate","64000");
iks_insert_attrib(payload_eg711u, "id", "100");
iks_insert_attrib(payload_eg711u, "name", "EG711U");
iks_insert_attrib(payload_eg711u, "clockrate","8000");
iks_insert_attrib(payload_eg711u, "bitrate","64000");
iks_insert_node(dcodecs, payload_pcmu);
iks_insert_node(dcodecs, payload_eg711u);
res ++;
}
if (!strcasecmp("alaw", format)) {
iks *payload_eg711a, *payload_pcma;
payload_pcma = iks_new("payload-type");
payload_eg711a = iks_new("payload-type");
if(!payload_eg711a || !payload_pcma) {
iks_delete(payload_eg711a);
iks_delete(payload_pcma);
ast_log(LOG_WARNING,"Failed to allocate iks node");
return -1;
}
iks_insert_attrib(payload_pcma, "id", "8");
iks_insert_attrib(payload_pcma, "name", "PCMA");
iks_insert_attrib(payload_pcma, "clockrate","8000");
iks_insert_attrib(payload_pcma, "bitrate","64000");
payload_eg711a = iks_new("payload-type");
iks_insert_attrib(payload_eg711a, "id", "101");
iks_insert_attrib(payload_eg711a, "name", "EG711A");
iks_insert_attrib(payload_eg711a, "clockrate","8000");
iks_insert_attrib(payload_eg711a, "bitrate","64000");
iks_insert_node(dcodecs, payload_pcma);
iks_insert_node(dcodecs, payload_eg711a);
res ++;
}
if (!strcasecmp("ilbc", format)) {
iks *payload_ilbc = iks_new("payload-type");
if(!payload_ilbc) {
ast_log(LOG_WARNING,"Failed to allocate iks node");
return -1;
}
iks_insert_attrib(payload_ilbc, "id", "97");
iks_insert_attrib(payload_ilbc, "name", "iLBC");
iks_insert_attrib(payload_ilbc, "clockrate","8000");
iks_insert_attrib(payload_ilbc, "bitrate","13300");
iks_insert_node(dcodecs, payload_ilbc);
res ++;
}
if (!strcasecmp("g723", format)) {
iks *payload_g723 = iks_new("payload-type");
if(!payload_g723) {
ast_log(LOG_WARNING,"Failed to allocate iks node");
return -1;
}
iks_insert_attrib(payload_g723, "id", "4");
iks_insert_attrib(payload_g723, "name", "G723");
iks_insert_attrib(payload_g723, "clockrate","8000");
iks_insert_attrib(payload_g723, "bitrate","6300");
iks_insert_node(dcodecs, payload_g723);
res ++;
}
if (!strcasecmp("speex", format)) {
iks *payload_speex = iks_new("payload-type");
if(!payload_speex) {
ast_log(LOG_WARNING,"Failed to allocate iks node");
return -1;
}
iks_insert_attrib(payload_speex, "id", "110");
iks_insert_attrib(payload_speex, "name", "speex");
iks_insert_attrib(payload_speex, "clockrate","8000");
iks_insert_attrib(payload_speex, "bitrate","11000");
iks_insert_node(dcodecs, payload_speex);
res++;
}
if (!strcasecmp("gsm", format)) {
iks *payload_gsm = iks_new("payload-type");
if(!payload_gsm) {
ast_log(LOG_WARNING,"Failed to allocate iks node");
return -1;
}
iks_insert_attrib(payload_gsm, "id", "103");
iks_insert_attrib(payload_gsm, "name", "gsm");
iks_insert_node(dcodecs, payload_gsm);
res++;
}
ast_rtp_lookup_code(p->rtp, 1, codec);
return res;
}
| static struct gtalk* find_gtalk | ( | char * | name, |
| char * | connection | ||
| ) | [static, read] |
Definition at line 242 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, and strsep().
Referenced by gtalk_request().
{
struct gtalk *gtalk = NULL;
char *domain = NULL , *s = NULL;
if (strchr(connection, '@')) {
s = ast_strdupa(connection);
domain = strsep(&s, "@");
ast_verbose("OOOOH domain = %s\n", domain);
}
gtalk = ASTOBJ_CONTAINER_FIND(>alk_list, name);
if (!gtalk && strchr(name, '@'))
gtalk = ASTOBJ_CONTAINER_FIND_FULL(>alk_list, name, user,,, strcasecmp);
if (!gtalk) {
/* guest call */
ASTOBJ_CONTAINER_TRAVERSE(>alk_list, 1, {
ASTOBJ_RDLOCK(iterator);
if (!strcasecmp(iterator->name, "guest")) {
gtalk = iterator;
}
ASTOBJ_UNLOCK(iterator);
if (gtalk)
break;
});
}
return gtalk;
}
| static int gtalk_action | ( | struct gtalk * | client, |
| struct gtalk_pvt * | p, | ||
| const char * | action | ||
| ) | [static] |
Definition at line 1078 of file chan_gtalk.c.
References ast_aji_increment_mid(), ast_aji_send(), ast_strdupa, gtalk::connection, gtalk_pvt::initiator, aji_client::mid, gtalk_pvt::sid, gtalk_pvt::them, and gtalk_pvt::us.
Referenced by gtalk_hangup(), and gtalk_newcall().
{
iks *request, *session = NULL;
int res = -1;
char *lowerthem = NULL;
request = iks_new("iq");
if (request) {
iks_insert_attrib(request, "type", "set");
iks_insert_attrib(request, "from", p->us);
iks_insert_attrib(request, "to", p->them);
iks_insert_attrib(request, "id", client->connection->mid);
ast_aji_increment_mid(client->connection->mid);
session = iks_new("session");
if (session) {
iks_insert_attrib(session, "type", action);
iks_insert_attrib(session, "id", p->sid);
/* put the initiator attribute to lower case if we receive the call
* otherwise GoogleTalk won't establish the session */
if (!p->initiator) {
char c;
char *t = lowerthem = ast_strdupa(p->them);
while (((c = *t) != '/') && (*t++ = tolower(c)));
}
iks_insert_attrib(session, "initiator", p->initiator ? p->us : lowerthem);
iks_insert_attrib(session, "xmlns", "http://www.google.com/session");
iks_insert_node(request, session);
ast_aji_send(client->connection, request);
res = 0;
}
}
iks_delete(session);
iks_delete(request);
return res;
}
| static int gtalk_add_candidate | ( | struct gtalk * | client, |
| ikspak * | pak | ||
| ) | [static] |
Definition at line 1302 of file chan_gtalk.c.
References AJI_CONNECT_LOCAL, AJI_CONNECT_RELAY, AJI_CONNECT_STUN, AJI_PROTOCOL_SSLTCP, AJI_PROTOCOL_UDP, ast_aji_send(), ast_calloc, ast_copy_string(), gtalk::connection, gtalk_candidate::generation, gtalk_update_stun(), gtalk_candidate::ip, aji_client::jid, gtalk_pvt::laststun, gtalk_candidate::name, gtalk_candidate::network, gtalk_candidate::next, gtalk_pvt::next, gtalk::p, gtalk_pvt::parent, gtalk_candidate::password, gtalk_candidate::port, gtalk_candidate::preference, gtalk_candidate::protocol, gtalk_candidate::receipt, gtalk_pvt::theircandidates, gtalk_candidate::type, and gtalk_candidate::username.
Referenced by gtalk_parser().
{
struct gtalk_pvt *p = NULL, *tmp = NULL;
struct aji_client *c = client->connection;
struct gtalk_candidate *newcandidate = NULL;
iks *traversenodes = NULL, *receipt = NULL;
char *from;
from = iks_find_attrib(pak->x,"to");
if(!from)
from = c->jid->full;
for (tmp = client->p; tmp; tmp = tmp->next) {
if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid)) {
p = tmp;
break;
}
}
if (!p)
return -1;
traversenodes = pak->query;
while(traversenodes) {
if(!strcasecmp(iks_name(traversenodes), "session")) {
traversenodes = iks_first_tag(traversenodes);
continue;
}
if(!strcasecmp(iks_name(traversenodes), "transport")) {
traversenodes = iks_first_tag(traversenodes);
continue;
}
if(!strcasecmp(iks_name(traversenodes), "candidate")) {
newcandidate = ast_calloc(1, sizeof(*newcandidate));
if (!newcandidate)
return 0;
ast_copy_string(newcandidate->name, iks_find_attrib(traversenodes, "name"),
sizeof(newcandidate->name));
ast_copy_string(newcandidate->ip, iks_find_attrib(traversenodes, "address"),
sizeof(newcandidate->ip));
newcandidate->port = atoi(iks_find_attrib(traversenodes, "port"));
ast_copy_string(newcandidate->username, iks_find_attrib(traversenodes, "username"),
sizeof(newcandidate->username));
ast_copy_string(newcandidate->password, iks_find_attrib(traversenodes, "password"),
sizeof(newcandidate->password));
newcandidate->preference = atof(iks_find_attrib(traversenodes, "preference"));
if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "udp"))
newcandidate->protocol = AJI_PROTOCOL_UDP;
if (!strcasecmp(iks_find_attrib(traversenodes, "protocol"), "ssltcp"))
newcandidate->protocol = AJI_PROTOCOL_SSLTCP;
if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "stun"))
newcandidate->type = AJI_CONNECT_STUN;
if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "local"))
newcandidate->type = AJI_CONNECT_LOCAL;
if (!strcasecmp(iks_find_attrib(traversenodes, "type"), "relay"))
newcandidate->type = AJI_CONNECT_RELAY;
ast_copy_string(newcandidate->network, iks_find_attrib(traversenodes, "network"),
sizeof(newcandidate->network));
newcandidate->generation = atoi(iks_find_attrib(traversenodes, "generation"));
newcandidate->next = NULL;
newcandidate->next = p->theircandidates;
p->theircandidates = newcandidate;
p->laststun = 0;
gtalk_update_stun(p->parent, p);
newcandidate = NULL;
}
traversenodes = iks_next_tag(traversenodes);
}
receipt = iks_new("iq");
iks_insert_attrib(receipt, "type", "result");
iks_insert_attrib(receipt, "from", from);
iks_insert_attrib(receipt, "to", iks_find_attrib(pak->x, "from"));
iks_insert_attrib(receipt, "id", iks_find_attrib(pak->x, "id"));
ast_aji_send(c, receipt);
iks_delete(receipt);
return 1;
}
| static struct gtalk_pvt * gtalk_alloc | ( | struct gtalk * | client, |
| const char * | us, | ||
| const char * | them, | ||
| const char * | sid | ||
| ) | [static, read] |
Definition at line 909 of file chan_gtalk.c.
References ast_calloc, ast_copy_string(), ast_debug, ast_free, ast_log(), ast_mutex_init(), ast_mutex_lock(), ast_mutex_unlock(), ast_random(), ast_rtp_new_with_bindaddr(), ast_rtp_pt_clear(), ast_strdupa, ASTOBJ_CONTAINER_FIND, aji_client::buddies, gtalk::buddy, aji_resource::cap, gtalk_pvt::capability, gtalk::capability, gtalk_pvt::cid_name, gtalk::connection, gtalk_pvt::exten, exten, global_capability, gtalklock, gtalk_pvt::initiator, aji_version::jingle, gtalk_pvt::lock, LOG_ERROR, LOG_WARNING, gtalk::name, gtalk_pvt::next, aji_resource::next, gtalk::p, gtalk_pvt::parent, gtalk::prefs, gtalk_pvt::prefs, aji_resource::resource, aji_buddy::resources, gtalk_pvt::rtp, gtalk_pvt::sid, strsep(), gtalk_pvt::them, and gtalk_pvt::us.
Referenced by gtalk_newcall(), and gtalk_request().
{
struct gtalk_pvt *tmp = NULL;
struct aji_resource *resources = NULL;
struct aji_buddy *buddy;
char idroster[200];
char *data, *exten = NULL;
ast_debug(1, "The client is %s for alloc\n", client->name);
if (!sid && !strchr(them, '/')) { /* I started call! */
if (!strcasecmp(client->name, "guest")) {
buddy = ASTOBJ_CONTAINER_FIND(&client->connection->buddies, them);
if (buddy)
resources = buddy->resources;
} else if (client->buddy)
resources = client->buddy->resources;
while (resources) {
if (resources->cap->jingle) {
break;
}
resources = resources->next;
}
if (resources)
snprintf(idroster, sizeof(idroster), "%s/%s", them, resources->resource);
else {
ast_log(LOG_ERROR, "no gtalk capable clients to talk to.\n");
return NULL;
}
}
if (!(tmp = ast_calloc(1, sizeof(*tmp)))) {
return NULL;
}
memcpy(&tmp->prefs, &client->prefs, sizeof(struct ast_codec_pref));
if (sid) {
ast_copy_string(tmp->sid, sid, sizeof(tmp->sid));
ast_copy_string(tmp->them, them, sizeof(tmp->them));
ast_copy_string(tmp->us, us, sizeof(tmp->us));
} else {
snprintf(tmp->sid, sizeof(tmp->sid), "%08lx%08lx", ast_random(), ast_random());
ast_copy_string(tmp->them, idroster, sizeof(tmp->them));
ast_copy_string(tmp->us, us, sizeof(tmp->us));
tmp->initiator = 1;
}
/* clear codecs */
tmp->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
ast_rtp_pt_clear(tmp->rtp);
/* add user configured codec capabilites */
if (client->capability)
tmp->capability = client->capability;
else if (global_capability)
tmp->capability = global_capability;
tmp->parent = client;
if (!tmp->rtp) {
ast_log(LOG_WARNING, "Out of RTP sessions?\n");
ast_free(tmp);
return NULL;
}
/* Set CALLERID(name) to the full JID of the remote peer */
ast_copy_string(tmp->cid_name, tmp->them, sizeof(tmp->cid_name));
if(strchr(tmp->us, '/')) {
data = ast_strdupa(tmp->us);
exten = strsep(&data, "/");
} else
exten = tmp->us;
ast_copy_string(tmp->exten, exten, sizeof(tmp->exten));
ast_mutex_init(&tmp->lock);
ast_mutex_lock(>alklock);
tmp->next = client->p;
client->p = tmp;
ast_mutex_unlock(>alklock);
return tmp;
}
| static int gtalk_answer | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 513 of file chan_gtalk.c.
References ast_debug, ast_mutex_lock(), ast_mutex_unlock(), EVENT_FLAG_SYSTEM, gtalk_invite(), gtalk_pvt::lock, manager_event, ast_channel::name, gtalk_pvt::sid, ast_channel::tech_pvt, gtalk_pvt::them, and gtalk_pvt::us.
{
struct gtalk_pvt *p = ast->tech_pvt;
int res = 0;
ast_debug(1, "Answer!\n");
ast_mutex_lock(&p->lock);
gtalk_invite(p, p->them, p->us,p->sid, 0);
manager_event(EVENT_FLAG_SYSTEM, "ChannelUpdate", "Channel: %s\r\nChanneltype: %s\r\nGtalk-SID: %s\r\n",
ast->name, "GTALK", p->sid);
ast_mutex_unlock(&p->lock);
return res;
}
| 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 1593 of file chan_gtalk.c.
References ast_channel::_state, ast_copy_string(), ast_log(), ast_setstate(), AST_STATE_DOWN, AST_STATE_RESERVED, AST_STATE_RING, gtalk::connection, aji_client::f, gtalk_create_candidates(), gtalk_invite(), gtalk_ringing_ack(), LOG_WARNING, aji_client::mid, ast_channel::name, gtalk_pvt::parent, gtalk_pvt::ring, gtalk_pvt::ringrule, gtalk_pvt::sid, ast_channel::tech_pvt, gtalk_pvt::them, and gtalk_pvt::us.
{
struct gtalk_pvt *p = ast->tech_pvt;
if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) {
ast_log(LOG_WARNING, "gtalk_call called on %s, neither down nor reserved\n", ast->name);
return -1;
}
ast_setstate(ast, AST_STATE_RING);
if (!p->ringrule) {
ast_copy_string(p->ring, p->parent->connection->mid, sizeof(p->ring));
p->ringrule = iks_filter_add_rule(p->parent->connection->f, gtalk_ringing_ack, p,
IKS_RULE_ID, p->ring, IKS_RULE_DONE);
} else
ast_log(LOG_WARNING, "Whoa, already have a ring rule!\n");
gtalk_invite(p, p->them, p->us, p->sid, 1);
gtalk_create_candidates(p->parent, p, p->sid, p->them, p->us);
return 0;
}
| static int gtalk_create_candidates | ( | struct gtalk * | client, |
| struct gtalk_pvt * | p, | ||
| char * | sid, | ||
| char * | from, | ||
| char * | to | ||
| ) | [static] |
Definition at line 773 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_aji_send(), ast_calloc, ast_copy_string(), ast_find_ourip(), ast_free, ast_inet_ntoa(), ast_log(), ast_random(), ast_rtp_get_us(), ast_strdupa, ast_strlen_zero(), gtalk::connection, gtalk_candidate::generation, GOOGLE_NS, gtalk_pvt::initiator, gtalk_candidate::ip, gtalk_pvt::laststun, LOG_ERROR, LOG_NOTICE, LOG_WARNING, aji_client::mid, gtalk_candidate::name, gtalk_candidate::next, gtalk_pvt::next, gtalk_pvt::ourcandidates, pass, gtalk_candidate::password, gtalk_candidate::port, gtalk_candidate::preference, gtalk_candidate::protocol, gtalk_pvt::rtp, gtalk_pvt::sid, gtalk_candidate::type, and gtalk_candidate::username.
Referenced by gtalk_call(), and gtalk_newcall().
{
struct gtalk_candidate *tmp;
struct aji_client *c = client->connection;
struct gtalk_candidate *ours1 = NULL, *ours2 = NULL;
struct sockaddr_in sin;
struct sockaddr_in dest;
struct in_addr us;
iks *iq, *gtalk, *candidate, *transport;
char user[17], pass[17], preference[5], port[7];
char *lowerfrom = NULL;
iq = iks_new("iq");
gtalk = iks_new("session");
candidate = iks_new("candidate");
transport = iks_new("transport");
if (!iq || !gtalk || !candidate || !transport) {
ast_log(LOG_ERROR, "Memory allocation error\n");
goto safeout;
}
ours1 = ast_calloc(1, sizeof(*ours1));
ours2 = ast_calloc(1, sizeof(*ours2));
if (!ours1 || !ours2)
goto safeout;
iks_insert_attrib(transport, "xmlns","http://www.google.com/transport/p2p");
iks_insert_node(iq, gtalk);
iks_insert_node(gtalk,transport);
iks_insert_node(transport, candidate);
for (; p; p = p->next) {
if (!strcasecmp(p->sid, sid))
break;
}
if (!p) {
ast_log(LOG_NOTICE, "No matching gtalk session - SID %s!\n", sid);
goto safeout;
}
ast_rtp_get_us(p->rtp, &sin);
ast_find_ourip(&us, bindaddr);
if (!strcmp(ast_inet_ntoa(us), "127.0.0.1")) {
ast_log(LOG_WARNING, "Found a loopback IP on the system, check your network configuration or set the bindaddr attribute.");
}
/* Setup our gtalk candidates */
ast_copy_string(ours1->name, "rtp", sizeof(ours1->name));
ours1->port = ntohs(sin.sin_port);
ours1->preference = 1;
snprintf(user, sizeof(user), "%08lx%08lx", ast_random(), ast_random());
snprintf(pass, sizeof(pass), "%08lx%08lx", ast_random(), ast_random());
ast_copy_string(ours1->username, user, sizeof(ours1->username));
ast_copy_string(ours1->password, pass, sizeof(ours1->password));
ast_copy_string(ours1->ip, ast_inet_ntoa(us), sizeof(ours1->ip));
ours1->protocol = AJI_PROTOCOL_UDP;
ours1->type = AJI_CONNECT_LOCAL;
ours1->generation = 0;
p->ourcandidates = ours1;
if (!ast_strlen_zero(externip)) {
/* XXX We should really stun for this one not just go with externip XXX */
snprintf(user, sizeof(user), "%08lx%08lx", ast_random(), ast_random());
snprintf(pass, sizeof(pass), "%08lx%08lx", ast_random(), ast_random());
ast_copy_string(ours2->username, user, sizeof(ours2->username));
ast_copy_string(ours2->password, pass, sizeof(ours2->password));
ast_copy_string(ours2->ip, externip, sizeof(ours2->ip));
ast_copy_string(ours2->name, "rtp", sizeof(ours1->name));
ours2->port = ntohs(sin.sin_port);
ours2->preference = 0.9;
ours2->protocol = AJI_PROTOCOL_UDP;
ours2->type = AJI_CONNECT_STUN;
ours2->generation = 0;
ours1->next = ours2;
ours2 = NULL;
}
ours1 = NULL;
dest.sin_addr = __ourip;
dest.sin_port = sin.sin_port;
for (tmp = p->ourcandidates; tmp; tmp = tmp->next) {
snprintf(port, sizeof(port), "%d", tmp->port);
snprintf(preference, sizeof(preference), "%.2f", tmp->preference);
iks_insert_attrib(iq, "from", to);
iks_insert_attrib(iq, "to", from);
iks_insert_attrib(iq, "type", "set");
iks_insert_attrib(iq, "id", c->mid);
ast_aji_increment_mid(c->mid);
iks_insert_attrib(gtalk, "type", "transport-info");
iks_insert_attrib(gtalk, "id", sid);
/* put the initiator attribute to lower case if we receive the call
* otherwise GoogleTalk won't establish the session */
if (!p->initiator) {
char c;
char *t = lowerfrom = ast_strdupa(from);
while (((c = *t) != '/') && (*t++ = tolower(c)));
}
iks_insert_attrib(gtalk, "initiator", (p->initiator) ? to : lowerfrom);
iks_insert_attrib(gtalk, "xmlns", GOOGLE_NS);
iks_insert_attrib(candidate, "name", tmp->name);
iks_insert_attrib(candidate, "address", tmp->ip);
iks_insert_attrib(candidate, "port", port);
iks_insert_attrib(candidate, "username", tmp->username);
iks_insert_attrib(candidate, "password", tmp->password);
iks_insert_attrib(candidate, "preference", preference);
if (tmp->protocol == AJI_PROTOCOL_UDP)
iks_insert_attrib(candidate, "protocol", "udp");
if (tmp->protocol == AJI_PROTOCOL_SSLTCP)
iks_insert_attrib(candidate, "protocol", "ssltcp");
if (tmp->type == AJI_CONNECT_STUN)
iks_insert_attrib(candidate, "type", "stun");
if (tmp->type == AJI_CONNECT_LOCAL)
iks_insert_attrib(candidate, "type", "local");
if (tmp->type == AJI_CONNECT_RELAY)
iks_insert_attrib(candidate, "type", "relay");
iks_insert_attrib(candidate, "network", "0");
iks_insert_attrib(candidate, "generation", "0");
ast_aji_send(c, iq);
}
p->laststun = 0;
safeout:
if (ours1)
ast_free(ours1);
if (ours2)
ast_free(ours2);
iks_delete(iq);
iks_delete(gtalk);
iks_delete(candidate);
iks_delete(transport);
return 1;
}
| 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 1840 of file chan_gtalk.c.
References aji_client::allowguest, gtalk::allowguest, ast_aji_get_client(), ast_copy_string(), ast_log(), ast_parse_allow_disallow(), ASTOBJ_CONTAINER_FIND, aji_client::buddies, gtalk::buddy, gtalk::capability, gtalk::connection, gtalk::context, aji_client::f, gtalk_parser(), LOG_ERROR, LOG_WARNING, ast_variable::name, gtalk::name, ast_variable::next, gtalk_candidate::next, gtalk::parkinglot, prefs, gtalk::prefs, gtalk::user, and ast_variable::value.
Referenced by gtalk_load_config().
{
struct aji_client *client;
if (!member)
ast_log(LOG_WARNING, "Out of memory.\n");
ast_copy_string(member->name, label, sizeof(member->name));
ast_copy_string(member->user, label, sizeof(member->user));
ast_copy_string(member->context, context, sizeof(member->context));
member->allowguest = allowguest;
member->prefs = prefs;
while (var) {
#if 0
struct gtalk_candidate *candidate = NULL;
#endif
if (!strcasecmp(var->name, "username"))
ast_copy_string(member->user, var->value, sizeof(member->user));
else if (!strcasecmp(var->name, "disallow"))
ast_parse_allow_disallow(&member->prefs, &member->capability, var->value, 0);
else if (!strcasecmp(var->name, "allow"))
ast_parse_allow_disallow(&member->prefs, &member->capability, var->value, 1);
else if (!strcasecmp(var->name, "context"))
ast_copy_string(member->context, var->value, sizeof(member->context));
else if (!strcasecmp(var->name, "parkinglot"))
ast_copy_string(member->parkinglot, var->value, sizeof(member->parkinglot));
#if 0
else if (!strcasecmp(var->name, "candidate")) {
candidate = gtalk_create_candidate(var->value);
if (candidate) {
candidate->next = member->ourcandidates;
member->ourcandidates = candidate;
}
}
#endif
else if (!strcasecmp(var->name, "connection")) {
if ((client = ast_aji_get_client(var->value))) {
member->connection = client;
iks_filter_add_rule(client->f, gtalk_parser, member,
IKS_RULE_TYPE, IKS_PAK_IQ,
IKS_RULE_FROM_PARTIAL, member->user,
IKS_RULE_NS, "http://www.google.com/session",
IKS_RULE_DONE);
} else {
ast_log(LOG_ERROR, "connection referenced not found!\n");
return 0;
}
}
var = var->next;
}
if (member->connection && member->user)
member->buddy = ASTOBJ_CONTAINER_FIND(&member->connection->buddies, member->user);
else {
ast_log(LOG_ERROR, "No Connection or Username!\n");
}
return 1;
}
| static int gtalk_digit | ( | struct ast_channel * | ast, |
| char | digit, | ||
| unsigned int | duration | ||
| ) | [static] |
Definition at line 1512 of file chan_gtalk.c.
References ast_aji_increment_mid(), ast_aji_send(), AST_FRAME_DTMF_BEGIN, AST_FRAME_DTMF_END, ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_strdupa, gtalk::connection, ast_channel::dtmff, ast_frame::frametype, gtalk_pvt::initiator, gtalk_pvt::lock, LOG_ERROR, aji_client::mid, 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().
{
struct gtalk_pvt *p = ast->tech_pvt;
struct gtalk *client = p->parent;
iks *iq, *gtalk, *dtmf;
char buffer[2] = {digit, '\0'};
char *lowerthem = NULL;
iq = iks_new("iq");
gtalk = iks_new("gtalk");
dtmf = iks_new("dtmf");
if(!iq || !gtalk || !dtmf) {
iks_delete(iq);
iks_delete(gtalk);
iks_delete(dtmf);
ast_log(LOG_ERROR, "Did not send dtmf do to memory issue\n");
return -1;
}
iks_insert_attrib(iq, "type", "set");
iks_insert_attrib(iq, "to", p->them);
iks_insert_attrib(iq, "from", p->us);
iks_insert_attrib(iq, "id", client->connection->mid);
ast_aji_increment_mid(client->connection->mid);
iks_insert_attrib(gtalk, "xmlns", "http://jabber.org/protocol/gtalk");
iks_insert_attrib(gtalk, "action", "session-info");
/* put the initiator attribute to lower case if we receive the call
* otherwise GoogleTalk won't establish the session */
if (!p->initiator) {
char c;
char *t = lowerthem = ast_strdupa(p->them);
while (((c = *t) != '/') && (*t++ = tolower(c)));
}
iks_insert_attrib(gtalk, "initiator", p->initiator ? p->us: lowerthem);
iks_insert_attrib(gtalk, "sid", p->sid);
iks_insert_attrib(dtmf, "xmlns", "http://jabber.org/protocol/gtalk/info/dtmf");
iks_insert_attrib(dtmf, "code", buffer);
iks_insert_node(iq, gtalk);
iks_insert_node(gtalk, dtmf);
ast_mutex_lock(&p->lock);
if (ast->dtmff.frametype == AST_FRAME_DTMF_BEGIN || duration == 0) {
iks_insert_attrib(dtmf, "action", "button-down");
} else if (ast->dtmff.frametype == AST_FRAME_DTMF_END || duration != 0) {
iks_insert_attrib(dtmf, "action", "button-up");
}
ast_aji_send(client->connection, iq);
iks_delete(iq);
iks_delete(gtalk);
iks_delete(dtmf);
ast_mutex_unlock(&p->lock);
return 0;
}
| static int gtalk_digit_begin | ( | struct ast_channel * | ast, |
| char | digit | ||
| ) | [static] |
Definition at line 1502 of file chan_gtalk.c.
References gtalk_digit().
{
return gtalk_digit(chan, digit, 0);
}
| static int gtalk_digit_end | ( | struct ast_channel * | ast, |
| char | digit, | ||
| unsigned int | duration | ||
| ) | [static] |
Definition at line 1507 of file chan_gtalk.c.
References gtalk_digit().
{
return gtalk_digit(chan, digit, duration);
}
| static char * gtalk_do_reload | ( | struct ast_cli_entry * | e, |
| int | cmd, | ||
| struct ast_cli_args * | a | ||
| ) | [static] |
CLI command "gtalk reload".
Definition at line 1747 of file chan_gtalk.c.
References ast_verbose(), CLI_GENERATE, CLI_INIT, CLI_SUCCESS, ast_cli_entry::command, and ast_cli_entry::usage.
{
switch (cmd) {
case CLI_INIT:
e->command = "gtalk reload";
e->usage =
"Usage: gtalk reload\n"
" Reload gtalk channel driver.\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
ast_verbose("IT DOES WORK!\n");
return CLI_SUCCESS;
}
| static int gtalk_fixup | ( | struct ast_channel * | oldchan, |
| struct ast_channel * | newchan | ||
| ) | [static] |
Definition at line 1468 of file chan_gtalk.c.
References ast_mutex_lock(), ast_mutex_unlock(), gtalk_pvt::lock, gtalk_pvt::owner, and ast_channel::tech_pvt.
{
struct gtalk_pvt *p = newchan->tech_pvt;
ast_mutex_lock(&p->lock);
if ((p->owner != oldchan)) {
ast_mutex_unlock(&p->lock);
return -1;
}
if (p->owner == oldchan)
p->owner = newchan;
ast_mutex_unlock(&p->lock);
return 0;
}
| static void gtalk_free_candidates | ( | struct gtalk_candidate * | candidate | ) | [static] |
Definition at line 1116 of file chan_gtalk.c.
References ast_free, last, and gtalk_candidate::next.
Referenced by gtalk_free_pvt(), and gtalk_load_config().
{
struct gtalk_candidate *last;
while (candidate) {
last = candidate;
candidate = candidate->next;
ast_free(last);
}
}
Definition at line 1126 of file chan_gtalk.c.
References ast_free, ast_log(), ast_rtp_destroy(), gtalk::connection, aji_client::f, gtalk_free_candidates(), LOG_WARNING, gtalk_pvt::next, gtalk_pvt::owner, gtalk::p, gtalk_pvt::parent, gtalk_pvt::ringrule, gtalk_pvt::rtp, gtalk_pvt::theircandidates, and gtalk_pvt::vrtp.
Referenced by gtalk_hangup(), and gtalk_newcall().
{
struct gtalk_pvt *cur, *prev = NULL;
cur = client->p;
while (cur) {
if (cur == p) {
if (prev)
prev->next = p->next;
else
client->p = p->next;
break;
}
prev = cur;
cur = cur->next;
}
if (p->ringrule)
iks_filter_remove_rule(p->parent->connection->f, p->ringrule);
if (p->owner)
ast_log(LOG_WARNING, "Uh oh, there's an owner, this is going to be messy.\n");
if (p->rtp)
ast_rtp_destroy(p->rtp);
if (p->vrtp)
ast_rtp_destroy(p->vrtp);
gtalk_free_candidates(p->theircandidates);
ast_free(p);
}
| static int gtalk_get_codec | ( | struct ast_channel * | chan | ) | [static] |
Definition at line 545 of file chan_gtalk.c.
References gtalk_pvt::peercapability, and ast_channel::tech_pvt.
{
struct gtalk_pvt *p = chan->tech_pvt;
return p->peercapability;
}
| static enum ast_rtp_get_result gtalk_get_rtp_peer | ( | struct ast_channel * | chan, |
| struct ast_rtp ** | rtp | ||
| ) | [static] |
Definition at line 527 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.
{
struct gtalk_pvt *p = chan->tech_pvt;
enum ast_rtp_get_result res = AST_RTP_GET_FAILED;
if (!p)
return res;
ast_mutex_lock(&p->lock);
if (p->rtp){
*rtp = p->rtp;
res = AST_RTP_TRY_PARTIAL;
}
ast_mutex_unlock(&p->lock);
return res;
}
| static int gtalk_handle_dtmf | ( | struct gtalk * | client, |
| ikspak * | pak | ||
| ) | [static] |
Definition at line 680 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().
{
struct gtalk_pvt *tmp;
iks *dtmfnode = NULL, *dtmfchild = NULL;
char *dtmf;
char *from;
/* Make sure our new call doesn't exist yet */
for (tmp = client->p; tmp; tmp = tmp->next) {
if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid) || iks_find_with_attrib(pak->x, "gtalk", "sid", tmp->sid))
break;
}
from = iks_find_attrib(pak->x, "to");
if(!from)
from = client->connection->jid->full;
if (tmp) {
if(iks_find_with_attrib(pak->x, "dtmf-method", "method", "rtp")) {
gtalk_response(client, from, pak,
"feature-not-implemented xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'",
"unsupported-dtmf-method xmlns='http://jabber.org/protocol/gtalk/info/dtmf#errors'");
return -1;
}
if ((dtmfnode = iks_find(pak->x, "dtmf"))) {
if((dtmf = iks_find_attrib(dtmfnode, "code"))) {
if(iks_find_with_attrib(pak->x, "dtmf", "action", "button-up")) {
struct ast_frame f = {AST_FRAME_DTMF_BEGIN, };
f.subclass = dtmf[0];
ast_queue_frame(tmp->owner, &f);
ast_verbose("GOOGLE! DTMF-relay event received: %c\n", f.subclass);
} else if(iks_find_with_attrib(pak->x, "dtmf", "action", "button-down")) {
struct ast_frame f = {AST_FRAME_DTMF_END, };
f.subclass = dtmf[0];
ast_queue_frame(tmp->owner, &f);
ast_verbose("GOOGLE! DTMF-relay event received: %c\n", f.subclass);
} else if(iks_find_attrib(pak->x, "dtmf")) { /* 250 millasecond default */
struct ast_frame f = {AST_FRAME_DTMF, };
f.subclass = dtmf[0];
ast_queue_frame(tmp->owner, &f);
ast_verbose("GOOGLE! DTMF-relay event received: %c\n", f.subclass);
}
}
} else if ((dtmfnode = iks_find_with_attrib(pak->x, "gtalk", "action", "session-info"))) {
if((dtmfchild = iks_find(dtmfnode, "dtmf"))) {
if((dtmf = iks_find_attrib(dtmfchild, "code"))) {
if(iks_find_with_attrib(dtmfnode, "dtmf", "action", "button-up")) {
struct ast_frame f = {AST_FRAME_DTMF_END, };
f.subclass = dtmf[0];
ast_queue_frame(tmp->owner, &f);
ast_verbose("GOOGLE! DTMF-relay event received: %c\n", f.subclass);
} else if(iks_find_with_attrib(dtmfnode, "dtmf", "action", "button-down")) {
struct ast_frame f = {AST_FRAME_DTMF_BEGIN, };
f.subclass = dtmf[0];
ast_queue_frame(tmp->owner, &f);
ast_verbose("GOOGLE! DTMF-relay event received: %c\n", f.subclass);
}
}
}
}
gtalk_response(client, from, pak, NULL, NULL);
return 1;
} else
ast_log(LOG_NOTICE, "Whoa, didn't find call!\n");
gtalk_response(client, from, pak, NULL, NULL);
return 1;
}
| static int gtalk_hangup | ( | struct ast_channel * | ast | ) | [static] |
Hangup a call through the gtalk proxy channel.
Definition at line 1617 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, ast_module_info::self, and ast_channel::tech_pvt.
Referenced by gtalk_newcall().
{
struct gtalk_pvt *p = ast->tech_pvt;
struct gtalk *client;
ast_mutex_lock(&p->lock);
client = p->parent;
p->owner = NULL;
ast->tech_pvt = NULL;
if (!p->alreadygone)
gtalk_action(client, p, "terminate");
ast_mutex_unlock(&p->lock);
gtalk_free_pvt(client, p);
ast_module_unref(ast_module_info->self);
return 0;
}
| static int gtalk_hangup_farend | ( | struct gtalk * | client, |
| ikspak * | pak | ||
| ) | [static] |
Definition at line 748 of file chan_gtalk.c.
References gtalk_pvt::alreadygone, ast_debug, ast_log(), ast_queue_hangup(), gtalk::connection, gtalk_response(), aji_client::jid, LOG_NOTICE, gtalk::name, gtalk_pvt::next, gtalk_pvt::owner, gtalk::p, and gtalk_pvt::sid.
Referenced by gtalk_parser().
{
struct gtalk_pvt *tmp;
char *from;
ast_debug(1, "The client is %s\n", client->name);
/* Make sure our new call doesn't exist yet */
for (tmp = client->p; tmp; tmp = tmp->next) {
if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid))
break;
}
from = iks_find_attrib(pak->x, "to");
if(!from)
from = client->connection->jid->full;
if (tmp) {
tmp->alreadygone = 1;
if (tmp->owner)
ast_queue_hangup(tmp->owner);
} else
ast_log(LOG_NOTICE, "Whoa, didn't find call!\n");
gtalk_response(client, from, pak, NULL, NULL);
return 1;
}
| static int gtalk_indicate | ( | struct ast_channel * | ast, |
| int | condition, | ||
| const void * | data, | ||
| size_t | datalen | ||
| ) | [static] |
Definition at line 1483 of file chan_gtalk.c.
References AST_CONTROL_HOLD, AST_CONTROL_UNHOLD, ast_log(), ast_moh_start(), ast_moh_stop(), and LOG_NOTICE.
{
int res = 0;
switch (condition) {
case AST_CONTROL_HOLD:
ast_moh_start(ast, data, NULL);
break;
case AST_CONTROL_UNHOLD:
ast_moh_stop(ast);
break;
default:
ast_log(LOG_NOTICE, "Don't know how to indicate condition '%d'\n", condition);
res = -1;
}
return res;
}
| static int gtalk_invite | ( | struct gtalk_pvt * | p, |
| char * | to, | ||
| char * | from, | ||
| char * | sid, | ||
| int | initiator | ||
| ) | [static] |
Definition at line 379 of file chan_gtalk.c.
References add_codec_to_answer(), ast_aji_increment_mid(), ast_aji_send(), ast_codec_pref_index(), ast_log(), ast_strdupa, gtalk::capability, gtalk::connection, LOG_ERROR, aji_client::mid, gtalk_pvt::parent, and gtalk::prefs.
Referenced by gtalk_answer(), and gtalk_call().
{
struct gtalk *client = p->parent;
iks *iq, *gtalk, *dcodecs, *payload_telephone, *transport;
int x;
int pref_codec = 0;
int alreadysent = 0;
int codecs_num = 0;
char *lowerto = NULL;
iq = iks_new("iq");
gtalk = iks_new("session");
dcodecs = iks_new("description");
transport = iks_new("transport");
payload_telephone = iks_new("payload-type");
if (!(iq && gtalk && dcodecs && transport && payload_telephone)){
iks_delete(iq);
iks_delete(gtalk);
iks_delete(dcodecs);
iks_delete(transport);
iks_delete(payload_telephone);
ast_log(LOG_ERROR, "Could not allocate iksemel nodes\n");
return 0;
}
iks_insert_attrib(dcodecs, "xmlns", "http://www.google.com/session/phone");
iks_insert_attrib(dcodecs, "xml:lang", "en");
for (x = 0; x < 32; x++) {
if (!(pref_codec = ast_codec_pref_index(&client->prefs, x)))
break;
if (!(client->capability & pref_codec))
continue;
if (alreadysent & pref_codec)
continue;
codecs_num = add_codec_to_answer(p, pref_codec, dcodecs);
alreadysent |= pref_codec;
}
if (codecs_num) {
/* only propose DTMF within an audio session */
iks_insert_attrib(payload_telephone, "id", "106");
iks_insert_attrib(payload_telephone, "name", "telephone-event");
iks_insert_attrib(payload_telephone, "clockrate", "8000");
}
iks_insert_attrib(transport,"xmlns","http://www.google.com/transport/p2p");
iks_insert_attrib(iq, "type", "set");
iks_insert_attrib(iq, "to", to);
iks_insert_attrib(iq, "from", from);
iks_insert_attrib(iq, "id", client->connection->mid);
ast_aji_increment_mid(client->connection->mid);
iks_insert_attrib(gtalk, "xmlns", "http://www.google.com/session");
iks_insert_attrib(gtalk, "type",initiator ? "initiate": "accept");
/* put the initiator attribute to lower case if we receive the call
* otherwise GoogleTalk won't establish the session */
if (!initiator) {
char c;
char *t = lowerto = ast_strdupa(to);
while (((c = *t) != '/') && (*t++ = tolower(c)));
}
iks_insert_attrib(gtalk, "initiator", initiator ? from : lowerto);
iks_insert_attrib(gtalk, "id", sid);
iks_insert_node(iq, gtalk);
iks_insert_node(gtalk, dcodecs);
iks_insert_node(gtalk, transport);
iks_insert_node(dcodecs, payload_telephone);
ast_aji_send(client->connection, iq);
iks_delete(payload_telephone);
iks_delete(transport);
iks_delete(dcodecs);
iks_delete(gtalk);
iks_delete(iq);
return 1;
}
| static int gtalk_invite_response | ( | struct gtalk_pvt * | p, |
| char * | to, | ||
| char * | from, | ||
| char * | sid, | ||
| int | initiator | ||
| ) | [static] |
Definition at line 458 of file chan_gtalk.c.
References ast_aji_increment_mid(), ast_aji_send(), ast_log(), ast_strdupa, gtalk::connection, LOG_ERROR, aji_client::mid, and gtalk_pvt::parent.
Referenced by gtalk_newcall().
{
iks *iq, *session, *transport;
char *lowerto = NULL;
iq = iks_new("iq");
session = iks_new("session");
transport = iks_new("transport");
if(!(iq && session && transport)) {
iks_delete(iq);
iks_delete(session);
iks_delete(transport);
ast_log(LOG_ERROR, " Unable to allocate IKS node\n");
return -1;
}
iks_insert_attrib(iq, "from", from);
iks_insert_attrib(iq, "to", to);
iks_insert_attrib(iq, "type", "set");
iks_insert_attrib(iq, "id",p->parent->connection->mid);
ast_aji_increment_mid(p->parent->connection->mid);
iks_insert_attrib(session, "type", "transport-accept");
iks_insert_attrib(session, "id", sid);
/* put the initiator attribute to lower case if we receive the call
* otherwise GoogleTalk won't establish the session */
if (!initiator) {
char c;
char *t = lowerto = ast_strdupa(to);
while (((c = *t) != '/') && (*t++ = tolower(c)));
}
iks_insert_attrib(session, "initiator", initiator ? from : lowerto);
iks_insert_attrib(session, "xmlns", "http://www.google.com/session");
iks_insert_attrib(transport, "xmlns", "http://www.google.com/transport/p2p");
iks_insert_node(iq,session);
iks_insert_node(session,transport);
ast_aji_send(p->parent->connection, iq);
iks_delete(transport);
iks_delete(session);
iks_delete(iq);
return 1;
}
| static int gtalk_is_accepted | ( | struct gtalk * | client, |
| ikspak * | pak | ||
| ) | [static] |
Definition at line 656 of file chan_gtalk.c.
References ast_log(), gtalk::connection, gtalk_response(), aji_client::jid, LOG_DEBUG, LOG_NOTICE, gtalk::name, gtalk_pvt::next, gtalk::p, and gtalk_pvt::sid.
Referenced by gtalk_parser().
{
struct gtalk_pvt *tmp;
char *from;
ast_log(LOG_DEBUG, "The client is %s\n", client->name);
/* find corresponding call */
for (tmp = client->p; tmp; tmp = tmp->next) {
if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid))
break;
}
from = iks_find_attrib(pak->x, "to");
if(!from)
from = client->connection->jid->full;
if (!tmp)
ast_log(LOG_NOTICE, "Whoa, didn't find call!\n");
/* answer 'iq' packet to let the remote peer know that we're alive */
gtalk_response(client, from, pak, NULL, NULL);
return 1;
}
| static int gtalk_is_answered | ( | struct gtalk * | client, |
| ikspak * | pak | ||
| ) | [static] |
Definition at line 603 of file chan_gtalk.c.
References AST_CONTROL_ANSWER, ast_getformatname_multiple(), ast_log(), ast_queue_control(), ast_queue_hangup(), ast_rtp_get_current_formats(), ast_rtp_set_m_type(), ast_rtp_set_rtpmap_type(), gtalk_pvt::capability, gtalk::connection, gtalk_response(), aji_client::jid, gtalk_pvt::jointcapability, LOG_DEBUG, LOG_NOTICE, LOG_WARNING, gtalk::name, gtalk_pvt::next, gtalk_pvt::owner, gtalk::p, gtalk_pvt::peercapability, gtalk_pvt::rtp, and gtalk_pvt::sid.
Referenced by gtalk_parser().
{
struct gtalk_pvt *tmp;
char *from;
iks *codec;
char s1[BUFSIZ], s2[BUFSIZ], s3[BUFSIZ];
int peernoncodeccapability;
ast_log(LOG_DEBUG, "The client is %s\n", client->name);
/* Make sure our new call doesn't exist yet */
for (tmp = client->p; tmp; tmp = tmp->next) {
if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid))
break;
}
/* codec points to the first <payload-type/> tag */
codec = iks_first_tag(iks_first_tag(iks_first_tag(pak->x)));
while (codec) {
ast_rtp_set_m_type(tmp->rtp, atoi(iks_find_attrib(codec, "id")));
ast_rtp_set_rtpmap_type(tmp->rtp, atoi(iks_find_attrib(codec, "id")), "audio", iks_find_attrib(codec, "name"), 0);
codec = iks_next_tag(codec);
}
/* Now gather all of the codecs that we are asked for */
ast_rtp_get_current_formats(tmp->rtp, &tmp->peercapability, &peernoncodeccapability);
/* at this point, we received an awser from the remote Gtalk client,
which allows us to compare capabilities */
tmp->jointcapability = tmp->capability & tmp->peercapability;
if (!tmp->jointcapability) {
ast_log(LOG_WARNING, "Capabilities don't match : us - %s, peer - %s, combined - %s \n", ast_getformatname_multiple(s1, BUFSIZ, tmp->capability),
ast_getformatname_multiple(s2, BUFSIZ, tmp->peercapability),
ast_getformatname_multiple(s3, BUFSIZ, tmp->jointcapability));
/* close session if capabilities don't match */
ast_queue_hangup(tmp->owner);
return -1;
}
from = iks_find_attrib(pak->x, "to");
if(!from)
from = client->connection->jid->full;
if (tmp) {
if (tmp->owner)
ast_queue_control(tmp->owner, AST_CONTROL_ANSWER);
} else
ast_log(LOG_NOTICE, "Whoa, didn't find call!\n");
gtalk_response(client, from, pak, NULL, NULL);
return 1;
}
| static int gtalk_load_config | ( | void | ) | [static] |
Definition at line 1901 of file chan_gtalk.c.
References gtalk::allowguest, ast_aji_get_clients(), ast_calloc, ast_category_browse(), ast_config_load, ast_copy_string(), ast_gethostbyname(), ast_jb_read_conf(), ast_log(), AST_MAX_CONTEXT, 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, CONFIG_STATUS_FILEINVALID, gtalk::connection, gtalk::context, context, global_jbconf, GOOGLE_CONFIG, gtalk_create_member(), gtalk_free_candidates(), gtalk_list, gtalk_member_destroy(), gtalk_parser(), hp, LOG_ERROR, LOG_WARNING, gtalk::name, ast_variable::name, ast_variable::next, gtalk::parkinglot, parkinglot, prefs, gtalk::prefs, gtalk::user, ast_variable::value, and var.
Referenced by load_module().
{
char *cat = NULL;
struct ast_config *cfg = NULL;
char context[AST_MAX_CONTEXT];
char parkinglot[AST_MAX_CONTEXT];
int allowguest = 1;
struct ast_variable *var;
struct gtalk *member;
struct ast_codec_pref prefs;
struct aji_client_container *clients;
struct gtalk_candidate *global_candidates = NULL;
struct hostent *hp;
struct ast_hostent ahp;
struct ast_flags config_flags = { 0 };
cfg = ast_config_load(GOOGLE_CONFIG, config_flags);
if (!cfg) {
return 0;
} else if (cfg == CONFIG_STATUS_FILEINVALID) {
ast_log(LOG_ERROR, "Config file %s is in an invalid format. Aborting.\n", GOOGLE_CONFIG);
return 0;
}
/* Copy the default jb config over global_jbconf */
memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf));
cat = ast_category_browse(cfg, NULL);
for (var = ast_variable_browse(cfg, "general"); var; var = var->next) {
/* handle jb conf */
if (!ast_jb_read_conf(&global_jbconf, var->name, var->value))
continue;
if (!strcasecmp(var->name, "allowguest"))
allowguest =
(ast_true(ast_variable_retrieve(cfg, "general", "allowguest"))) ? 1 : 0;
else if (!strcasecmp(var->name, "disallow"))
ast_parse_allow_disallow(&prefs, &global_capability, var->value, 0);
else if (!strcasecmp(var->name, "allow"))
ast_parse_allow_disallow(&prefs, &global_capability, var->value, 1);
else if (!strcasecmp(var->name, "context"))
ast_copy_string(context, var->value, sizeof(context));
else if (!strcasecmp(var->name, "parkinglot"))
ast_copy_string(parkinglot, var->value, sizeof(parkinglot));
else if (!strcasecmp(var->name, "bindaddr")) {
if (!(hp = ast_gethostbyname(var->value, &ahp))) {
ast_log(LOG_WARNING, "Invalid address: %s\n", var->value);
} else {
memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr));
}
}
/* Idea to allow for custom candidates */
/*
else if (!strcasecmp(var->name, "candidate")) {
candidate = gtalk_create_candidate(var->value);
if (candidate) {
candidate->next = global_candidates;
global_candidates = candidate;
}
}
*/
}
while (cat) {
if (strcasecmp(cat, "general")) {
var = ast_variable_browse(cfg, cat);
member = ast_calloc(1, sizeof(*member));
ASTOBJ_INIT(member);
ASTOBJ_WRLOCK(member);
if (!strcasecmp(cat, "guest")) {
ast_copy_string(member->name, "guest", sizeof(member->name));
ast_copy_string(member->user, "guest", sizeof(member->user));
ast_copy_string(member->context, context, sizeof(member->context));
ast_copy_string(member->parkinglot, parkinglot, sizeof(member->parkinglot));
member->allowguest = allowguest;
member->prefs = prefs;
while (var) {
if (!strcasecmp(var->name, "disallow"))
ast_parse_allow_disallow(&member->prefs, &member->capability,
var->value, 0);
else if (!strcasecmp(var->name, "allow"))
ast_parse_allow_disallow(&member->prefs, &member->capability,
var->value, 1);
else if (!strcasecmp(var->name, "context"))
ast_copy_string(member->context, var->value,
sizeof(member->context));
else if (!strcasecmp(var->name, "parkinglot"))
ast_copy_string(member->parkinglot, var->value,
sizeof(member->parkinglot));
/* Idea to allow for custom candidates */
/*
else if (!strcasecmp(var->name, "candidate")) {
candidate = gtalk_create_candidate(var->value);
if (candidate) {
candidate->next = member->ourcandidates;
member->ourcandidates = candidate;
}
}
*/
var = var->next;
}
ASTOBJ_UNLOCK(member);
clients = ast_aji_get_clients();
if (clients) {
ASTOBJ_CONTAINER_TRAVERSE(clients, 1, {
ASTOBJ_WRLOCK(iterator);
ASTOBJ_WRLOCK(member);
member->connection = NULL;
iks_filter_add_rule(iterator->f, gtalk_parser, member, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_NS, "http://www.google.com/session", IKS_RULE_DONE);
iks_filter_add_rule(iterator->f, gtalk_parser, member, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_NS, "http://jabber.org/protocol/gtalk", IKS_RULE_DONE);
ASTOBJ_UNLOCK(member);
ASTOBJ_UNLOCK(iterator);
});
ASTOBJ_CONTAINER_LINK(>alk_list, member);
ASTOBJ_UNREF(member, gtalk_member_destroy);
} else {
ASTOBJ_UNLOCK(member);
ASTOBJ_UNREF(member, gtalk_member_destroy);
}
} else {
ASTOBJ_UNLOCK(member);
if (gtalk_create_member(cat, var, allowguest, prefs, context, member))
ASTOBJ_CONTAINER_LINK(>alk_list, member);
ASTOBJ_UNREF(member, gtalk_member_destroy);
}
}
cat = ast_category_browse(cfg, cat);
}
gtalk_free_candidates(global_candidates);
return 1;
}
| static void gtalk_member_destroy | ( | struct gtalk * | obj | ) | [static] |
Definition at line 237 of file chan_gtalk.c.
References ast_free.
Referenced by gtalk_load_config(), gtalk_parser(), gtalk_request(), and unload_module().
{
ast_free(obj);
}
| 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 989 of file chan_gtalk.c.
References accountcode, gtalk::accountcode, ast_channel::adsicpe, ast_channel::amaflags, gtalk::amaflags, AST_ADSI_UNAVAILABLE, ast_best_codec(), AST_CAUSE_SWITCH_CONGESTION, ast_channel_alloc(), ast_channel_set_fd(), ast_codec_choose(), ast_copy_string(), AST_FORMAT_VIDEO_MASK, ast_hangup(), ast_jb_configure(), ast_log(), ast_module_ref(), ast_pbx_start(), ast_random(), ast_rtcp_fd(), ast_rtp_codec_setpref(), ast_rtp_fd(), ast_rtp_setstun(), AST_STATE_DOWN, AST_STATE_RING, ast_strdup, ast_string_field_set, ast_strlen_zero(), gtalk::callgroup, ast_channel::callgroup, gtalk::callingpres, gtalk_pvt::capability, ast_channel::cid, ast_callerid::cid_dnid, gtalk_pvt::cid_name, gtalk_pvt::cid_num, ast_callerid::cid_pres, ast_channel::context, gtalk::context, EVENT_FLAG_SYSTEM, ast_channel::exten, gtalk_pvt::exten, global_capability, global_jbconf, gtalk_tech, ast_channel::hangupcause, gtalk_pvt::jointcapability, language, gtalk::language, LOG_WARNING, manager_event, musicclass, gtalk::musicclass, ast_channel::name, ast_channel::nativeformats, gtalk_pvt::owner, parkinglot, gtalk::parkinglot, 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, ast_module_info::self, gtalk_pvt::sid, ast_channel::tech, ast_channel::tech_pvt, gtalk_pvt::us, gtalk_pvt::vrtp, and ast_channel::writeformat.
Referenced by gtalk_newcall(), and gtalk_request().
{
struct ast_channel *tmp;
int fmt;
int what;
const char *n2;
if (title)
n2 = title;
else
n2 = i->us;
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);
if (!tmp) {
ast_log(LOG_WARNING, "Unable to allocate Gtalk channel structure!\n");
return NULL;
}
tmp->tech = >alk_tech;
/* Select our native format based on codec preference until we receive
something from another device to the contrary. */
if (i->jointcapability)
what = i->jointcapability;
else if (i->capability)
what = i->capability;
else
what = global_capability;
/* Set Frame packetization */
if (i->rtp)
ast_rtp_codec_setpref(i->rtp, &i->prefs);
tmp->nativeformats = ast_codec_choose(&i->prefs, what, 1) | (i->jointcapability & AST_FORMAT_VIDEO_MASK);
fmt = ast_best_codec(tmp->nativeformats);
if (i->rtp) {
ast_rtp_setstun(i->rtp, 1);
ast_channel_set_fd(tmp, 0, ast_rtp_fd(i->rtp));
ast_channel_set_fd(tmp, 1, ast_rtcp_fd(i->rtp));
}
if (i->vrtp) {
ast_rtp_setstun(i->rtp, 1);
ast_channel_set_fd(tmp, 2, ast_rtp_fd(i->vrtp));
ast_channel_set_fd(tmp, 3, ast_rtcp_fd(i->vrtp));
}
if (state == AST_STATE_RING)
tmp->rings = 1;
tmp->adsicpe = AST_ADSI_UNAVAILABLE;
tmp->writeformat = fmt;
tmp->rawwriteformat = fmt;
tmp->readformat = fmt;
tmp->rawreadformat = fmt;
tmp->tech_pvt = i;
tmp->callgroup = client->callgroup;
tmp->pickupgroup = client->pickupgroup;
tmp->cid.cid_pres = client->callingpres;
if (!ast_strlen_zero(client->accountcode))
ast_string_field_set(tmp, accountcode, client->accountcode);
if (client->amaflags)
tmp->amaflags = client->amaflags;
if (!ast_strlen_zero(client->language))
ast_string_field_set(tmp, language, client->language);
if (!ast_strlen_zero(client->musicclass))
ast_string_field_set(tmp, musicclass, client->musicclass);
if (!ast_strlen_zero(client->parkinglot))
ast_string_field_set(tmp, parkinglot, client->parkinglot);
i->owner = tmp;
ast_module_ref(ast_module_info->self);
ast_copy_string(tmp->context, client->context, sizeof(tmp->context));
ast_copy_string(tmp->exten, i->exten, sizeof(tmp->exten));
if (!ast_strlen_zero(i->exten) && strcmp(i->exten, "s"))
tmp->cid.cid_dnid = ast_strdup(i->exten);
tmp->priority = 1;
if (i->rtp)
ast_jb_configure(tmp, &global_jbconf);
if (state != AST_STATE_DOWN && ast_pbx_start(tmp)) {
ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name);
tmp->hangupcause = AST_CAUSE_SWITCH_CONGESTION;
ast_hangup(tmp);
tmp = NULL;
} else {
manager_event(EVENT_FLAG_SYSTEM, "ChannelUpdate",
"Channel: %s\r\nChanneltype: %s\r\nGtalk-SID: %s\r\n",
i->owner ? i->owner->name : "", "Gtalk", i->sid);
}
return tmp;
}
| static int gtalk_newcall | ( | struct gtalk * | client, |
| ikspak * | pak | ||
| ) | [static] |
Definition at line 1154 of file chan_gtalk.c.
References gtalk_pvt::alreadygone, ast_aji_get_client(), ast_channel_free(), ast_copy_string(), ast_getformatname_multiple(), ast_log(), ast_mutex_lock(), ast_mutex_unlock(), AST_PBX_CALL_LIMIT, AST_PBX_FAILED, ast_pbx_start(), AST_PBX_SUCCESS, ast_rtp_get_current_formats(), ast_rtp_set_m_type(), ast_rtp_set_rtpmap_type(), ast_setstate(), AST_STATE_DOWN, AST_STATE_RING, gtalk_pvt::capability, chan, gtalk::connection, gtalk_action(), gtalk_alloc(), gtalk_create_candidates(), gtalk_free_pvt(), gtalk_hangup(), gtalk_invite_response(), gtalk_new(), gtalk_response(), aji_client::jid, gtalk_pvt::jointcapability, gtalk_pvt::lock, LOG_ERROR, LOG_NOTICE, LOG_WARNING, gtalk::name, gtalk_pvt::next, gtalk::p, gtalk_pvt::peercapability, gtalk_pvt::rtp, gtalk_pvt::sid, gtalk_pvt::them, and gtalk_pvt::us.
Referenced by gtalk_parser().
{
struct gtalk_pvt *p, *tmp = client->p;
struct ast_channel *chan;
int res;
iks *codec;
char *from = NULL;
char s1[BUFSIZ], s2[BUFSIZ], s3[BUFSIZ];
int peernoncodeccapability;
/* Make sure our new call doesn't exist yet */
from = iks_find_attrib(pak->x,"to");
if(!from)
from = client->connection->jid->full;
while (tmp) {
if (iks_find_with_attrib(pak->x, "session", "id", tmp->sid)) {
ast_log(LOG_NOTICE, "Ignoring duplicate call setup on SID %s\n", tmp->sid);
gtalk_response(client, from, pak, "out-of-order", NULL);
return -1;
}
tmp = tmp->next;
}
if (!strcasecmp(client->name, "guest")){
/* the guest account is not tied to any configured XMPP client,
let's set it now */
client->connection = ast_aji_get_client(from);
if (!client->connection) {
ast_log(LOG_ERROR, "No XMPP client to talk to, us (partial JID) : %s\n", from);
return -1;
}
}
p = gtalk_alloc(client, from, pak->from->full, iks_find_attrib(pak->query, "id"));
if (!p) {
ast_log(LOG_WARNING, "Unable to allocate gtalk structure!\n");
return -1;
}
chan = gtalk_new(client, p, AST_STATE_DOWN, pak->from->user);
if (!chan) {
gtalk_free_pvt(client, p);
return -1;
}
ast_mutex_lock(&p->lock);
ast_copy_string(p->them, pak->from->full, sizeof(p->them));
if (iks_find_attrib(pak->query, "id")) {
ast_copy_string(p->sid, iks_find_attrib(pak->query, "id"),
sizeof(p->sid));
}
/* codec points to the first <payload-type/> tag */
codec = iks_first_tag(iks_first_tag(iks_first_tag(pak->x)));
while (codec) {
ast_rtp_set_m_type(p->rtp, atoi(iks_find_attrib(codec, "id")));
ast_rtp_set_rtpmap_type(p->rtp, atoi(iks_find_attrib(codec, "id")), "audio", iks_find_attrib(codec, "name"), 0);
codec = iks_next_tag(codec);
}
/* Now gather all of the codecs that we are asked for */
ast_rtp_get_current_formats(p->rtp, &p->peercapability, &peernoncodeccapability);
p->jointcapability = p->capability & p->peercapability;
ast_mutex_unlock(&p->lock);
ast_setstate(chan, AST_STATE_RING);
if (!p->jointcapability) {
ast_log(LOG_WARNING, "Capabilities don't match : us - %s, peer - %s, combined - %s \n", ast_getformatname_multiple(s1, BUFSIZ, p->capability),
ast_getformatname_multiple(s2, BUFSIZ, p->peercapability),
ast_getformatname_multiple(s3, BUFSIZ, p->jointcapability));
/* close session if capabilities don't match */
gtalk_action(client, p, "reject");
p->alreadygone = 1;
gtalk_hangup(chan);
ast_channel_free(chan);
return -1;
}
res = ast_pbx_start(chan);
switch (res) {
case AST_PBX_FAILED:
ast_log(LOG_WARNING, "Failed to start PBX :(\n");
gtalk_response(client, from, pak, "service-unavailable", NULL);
break;
case AST_PBX_CALL_LIMIT:
ast_log(LOG_WARNING, "Failed to start PBX (call limit reached) \n");
gtalk_response(client, from, pak, "service-unavailable", NULL);
break;
case AST_PBX_SUCCESS:
gtalk_response(client, from, pak, NULL, NULL);
gtalk_invite_response(p, p->them, p->us,p->sid, 0);
gtalk_create_candidates(client, p, p->sid, p->them, p->us);
/* nothing to do */
break;
}
return 1;
}
| static int gtalk_parser | ( | void * | data, |
| ikspak * | pak | ||
| ) | [static] |
Definition at line 1764 of file chan_gtalk.c.
References ast_debug, ast_log(), ASTOBJ_REF, ASTOBJ_UNREF, gtalk_add_candidate(), gtalk_handle_dtmf(), gtalk_hangup_farend(), gtalk_is_accepted(), gtalk_is_answered(), gtalk_member_destroy(), gtalk_newcall(), and LOG_NOTICE.
Referenced by gtalk_create_member(), and gtalk_load_config().
{
struct gtalk *client = ASTOBJ_REF((struct gtalk *) data);
if (iks_find_attrib(pak->x, "type") && !strcmp(iks_find_attrib (pak->x, "type"),"error")) {
ast_log(LOG_NOTICE, "Remote peer reported an error, trying to establish the call anyway\n");
}
else if (iks_find_with_attrib(pak->x, "session", "type", "initiate")) {
/* New call */
gtalk_newcall(client, pak);
} else if (iks_find_with_attrib(pak->x, "session", "type", "candidates") || iks_find_with_attrib(pak->x, "session", "type", "transport-info")) {
ast_debug(3, "About to add candidate!\n");
gtalk_add_candidate(client, pak);
ast_debug(3, "Candidate Added!\n");
} else if (iks_find_with_attrib(pak->x, "session", "type", "accept")) {
gtalk_is_answered(client, pak);
} else if (iks_find_with_attrib(pak->x, "session", "type", "transport-accept")) {
gtalk_is_accepted(client, pak);
} else if (iks_find_with_attrib(pak->x, "session", "type", "content-info") || iks_find_with_attrib(pak->x, "gtalk", "action", "session-info")) {
gtalk_handle_dtmf(client, pak);
} else if (iks_find_with_attrib(pak->x, "session", "type", "terminate")) {
gtalk_hangup_farend(client, pak);
} else if (iks_find_with_attrib(pak->x, "session", "type", "reject")) {
gtalk_hangup_farend(client, pak);
}
ASTOBJ_UNREF(client, gtalk_member_destroy);
return IKS_FILTER_EAT;
}
| static struct ast_frame * gtalk_read | ( | struct ast_channel * | ast | ) | [static, read] |
Definition at line 1413 of file chan_gtalk.c.
References ast_mutex_lock(), ast_mutex_unlock(), gtalk_rtp_read(), gtalk_pvt::lock, and ast_channel::tech_pvt.
{
struct ast_frame *fr;
struct gtalk_pvt *p = ast->tech_pvt;
ast_mutex_lock(&p->lock);
fr = gtalk_rtp_read(ast, p);
ast_mutex_unlock(&p->lock);
return fr;
}
| static struct ast_channel * gtalk_request | ( | const char * | type, |
| int | format, | ||
| void * | data, | ||
| int * | cause | ||
| ) | [static, read] |
Part of PBX interface.
Definition at line 1637 of file chan_gtalk.c.
References ast_aji_get_client(), ast_log(), AST_STATE_DOWN, ast_strdupa, ASTOBJ_UNLOCK, ASTOBJ_UNREF, ASTOBJ_WRLOCK, chan, gtalk::connection, find_gtalk(), gtalk_alloc(), gtalk_member_destroy(), gtalk_new(), aji_client::jid, LOG_ERROR, LOG_WARNING, gtalk::name, s, strsep(), and gtalk::user.
{
struct gtalk_pvt *p = NULL;
struct gtalk *client = NULL;
char *sender = NULL, *to = NULL, *s = NULL;
struct ast_channel *chan = NULL;
if (data) {
s = ast_strdupa(data);
if (s) {
sender = strsep(&s, "/");
if (sender && (sender[0] != '\0'))
to = strsep(&s, "/");
if (!to) {
ast_log(LOG_ERROR, "Bad arguments in Gtalk Dialstring: %s\n", (char*) data);
return NULL;
}
}
}
client = find_gtalk(to, sender);
if (!client) {
ast_log(LOG_WARNING, "Could not find recipient.\n");
return NULL;
}
if (!strcasecmp(client->name, "guest")){
/* the guest account is not tied to any configured XMPP client,
let's set it now */
client->connection = ast_aji_get_client(sender);
if (!client->connection) {
ast_log(LOG_ERROR, "No XMPP client to talk to, us (partial JID) : %s\n", sender);
ASTOBJ_UNREF(client, gtalk_member_destroy);
return NULL;
}
}
ASTOBJ_WRLOCK(client);
p = gtalk_alloc(client, strchr(sender, '@') ? sender : client->connection->jid->full, strchr(to, '@') ? to : client->user, NULL);
if (p)
chan = gtalk_new(client, p, AST_STATE_DOWN, to);
ASTOBJ_UNLOCK(client);
return chan;
}
| static int gtalk_response | ( | struct gtalk * | client, |
| char * | from, | ||
| ikspak * | pak, | ||
| const char * | reasonstr, | ||
| const char * | reasonstr2 | ||
| ) | [static] |
Definition at line 571 of file chan_gtalk.c.
References ast_aji_send(), and gtalk::connection.
Referenced by gtalk_handle_dtmf(), gtalk_hangup_farend(), gtalk_is_accepted(), gtalk_is_answered(), and gtalk_newcall().
{
iks *response = NULL, *error = NULL, *reason = NULL;
int res = -1;
response = iks_new("iq");
if (response) {
iks_insert_attrib(response, "type", "result");
iks_insert_attrib(response, "from", from);
iks_insert_attrib(response, "to", iks_find_attrib(pak->x, "from"));
iks_insert_attrib(response, "id", iks_find_attrib(pak->x, "id"));
if (reasonstr) {
error = iks_new("error");
if (error) {
iks_insert_attrib(error, "type", "cancel");
reason = iks_new(reasonstr);
if (reason)
iks_insert_node(error, reason);
iks_insert_node(response, error);
}
}
ast_aji_send(client->connection, response);
res = 0;
}
iks_delete(reason);
iks_delete(error);
iks_delete(response);
return res;
}
| 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().
{
struct gtalk_pvt *p = data;
if (p->ringrule)
iks_filter_remove_rule(p->parent->connection->f, p->ringrule);
p->ringrule = NULL;
if (p->owner)
ast_queue_control(p->owner, AST_CONTROL_RINGING);
return IKS_FILTER_EAT;
}
| static struct ast_frame* gtalk_rtp_read | ( | struct ast_channel * | ast, |
| struct gtalk_pvt * | p | ||
| ) | [static, read] |
Definition at line 1385 of file chan_gtalk.c.
References ast_debug, AST_FORMAT_AUDIO_MASK, AST_FORMAT_VIDEO_MASK, AST_FRAME_VOICE, ast_null_frame, ast_rtp_read(), ast_set_read_format(), ast_set_write_format(), f, ast_frame::frametype, gtalk_update_stun(), ast_channel::nativeformats, gtalk_pvt::owner, gtalk_pvt::parent, ast_channel::readformat, gtalk_pvt::rtp, ast_frame::subclass, and ast_channel::writeformat.
Referenced by gtalk_read().
{
struct ast_frame *f;
if (!p->rtp)
return &ast_null_frame;
f = ast_rtp_read(p->rtp);
gtalk_update_stun(p->parent, p);
if (p->owner) {
/* We already hold the channel lock */
if (f->frametype == AST_FRAME_VOICE) {
if (f->subclass != (p->owner->nativeformats & AST_FORMAT_AUDIO_MASK)) {
ast_debug(1, "Oooh, format changed to %d\n", f->subclass);
p->owner->nativeformats =
(p->owner->nativeformats & AST_FORMAT_VIDEO_MASK) | f->subclass;
ast_set_read_format(p->owner, p->owner->readformat);
ast_set_write_format(p->owner, p->owner->writeformat);
}
/* if ((ast_test_flag(p, SIP_DTMF) == SIP_DTMF_INBAND) && p->vad) {
f = ast_dsp_process(p->owner, p->vad, f);
if (option_debug && f && (f->frametype == AST_FRAME_DTMF))
ast_debug(1, "* Detected inband DTMF '%c'\n", f->subclass);
} */
}
}
return f;
}
| static int gtalk_sendhtml | ( | struct ast_channel * | ast, |
| int | subclass, | ||
| const char * | data, | ||
| int | datalen | ||
| ) | [static] |
Definition at line 1566 of file chan_gtalk.c.
References ast_log(), and LOG_NOTICE.
{
ast_log(LOG_NOTICE, "XXX Implement gtalk sendhtml XXX\n");
return -1;
}
| static int gtalk_set_rtp_peer | ( | struct ast_channel * | chan, |
| struct ast_rtp * | rtp, | ||
| struct ast_rtp * | vrtp, | ||
| struct ast_rtp * | trtp, | ||
| int | codecs, | ||
| int | nat_active | ||
| ) | [static] |
Definition at line 551 of file chan_gtalk.c.
References ast_mutex_lock(), ast_mutex_unlock(), gtalk_pvt::lock, and ast_channel::tech_pvt.
{
struct gtalk_pvt *p;
p = chan->tech_pvt;
if (!p)
return -1;
ast_mutex_lock(&p->lock);
/* if (rtp)
ast_rtp_get_peer(rtp, &p->redirip);
else
memset(&p->redirip, 0, sizeof(p->redirip));
p->redircodecs = codecs; */
/* Reset lastrtprx timer */
ast_mutex_unlock(&p->lock);
return 0;
}
| static char * gtalk_show_channels | ( | struct ast_cli_entry * | e, |
| int | cmd, | ||
| struct ast_cli_args * | a | ||
| ) | [static] |
CLI command "gtalk show channels".
Definition at line 1683 of file chan_gtalk.c.
References AJI_MAX_JIDLEN, ast_cli_args::argc, ast_cli(), ast_copy_string(), ast_getformatname(), ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ASTOBJ_CONTAINER_TRAVERSE, ASTOBJ_UNLOCK, ASTOBJ_WRLOCK, chan, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, ast_cli_args::fd, FORMAT, gtalk_list, gtalklock, LOG_WARNING, ast_channel::name, gtalk_pvt::next, gtalk_pvt::owner, ast_channel::readformat, gtalk_pvt::them, ast_cli_entry::usage, and ast_channel::writeformat.
{
#define FORMAT "%-30.30s %-30.30s %-15.15s %-5.5s %-5.5s \n"
struct gtalk_pvt *p;
struct ast_channel *chan;
int numchans = 0;
char them[AJI_MAX_JIDLEN];
char *jid = NULL;
char *resource = NULL;
switch (cmd) {
case CLI_INIT:
e->command = "gtalk show channels";
e->usage =
"Usage: gtalk show channels\n"
" Shows current state of the Gtalk channels.\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
if (a->argc != 3)
return CLI_SHOWUSAGE;
ast_mutex_lock(>alklock);
ast_cli(a->fd, FORMAT, "Channel", "Jabber ID", "Resource", "Read", "Write");
ASTOBJ_CONTAINER_TRAVERSE(>alk_list, 1, {
ASTOBJ_WRLOCK(iterator);
p = iterator->p;
while(p) {
chan = p->owner;
ast_copy_string(them, p->them, sizeof(them));
jid = them;
resource = strchr(them, '/');
if (!resource)
resource = "None";
else {
*resource = '\0';
resource ++;
}
if (chan)
ast_cli(a->fd, FORMAT,
chan->name,
jid,
resource,
ast_getformatname(chan->readformat),
ast_getformatname(chan->writeformat)
);
else
ast_log(LOG_WARNING, "No available channel\n");
numchans ++;
p = p->next;
}
ASTOBJ_UNLOCK(iterator);
});
ast_mutex_unlock(>alklock);
ast_cli(a->fd, "%d active gtalk channel%s\n", numchans, (numchans != 1) ? "s" : "");
return CLI_SUCCESS;
#undef FORMAT
}
Definition at line 1256 of file chan_gtalk.c.
References ast_debug, ast_gethostbyname(), ast_inet_ntoa(), ast_rtp_get_peer(), ast_rtp_stun_request(), hp, gtalk_candidate::ip, gtalk_pvt::laststun, gtalk_candidate::next, gtalk_pvt::ourcandidates, gtalk_candidate::port, gtalk_pvt::rtp, gtalk_pvt::theircandidates, and gtalk_candidate::username.
Referenced by gtalk_add_candidate(), and gtalk_rtp_read().
{
struct gtalk_candidate *tmp;
struct hostent *hp;
struct ast_hostent ahp;
struct sockaddr_in sin;
struct sockaddr_in aux;
if (time(NULL) == p->laststun)
return 0;
tmp = p->theircandidates;
p->laststun = time(NULL);
while (tmp) {
char username[256];
/* Find the IP address of the host */
hp = ast_gethostbyname(tmp->ip, &ahp);
sin.sin_family = AF_INET;
memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr));
sin.sin_port = htons(tmp->port);
snprintf(username, sizeof(username), "%s%s", tmp->username,
p->ourcandidates->username);
/* Find out the result of the STUN */
ast_rtp_get_peer(p->rtp, &aux);
/* If the STUN result is different from the IP of the hostname,
lock on the stun IP of the hostname advertised by the
remote client */
if (aux.sin_addr.s_addr &&
aux.sin_addr.s_addr != sin.sin_addr.s_addr)
ast_rtp_stun_request(p->rtp, &aux, username);
else
ast_rtp_stun_request(p->rtp, &sin, username);
if (aux.sin_addr.s_addr) {
ast_debug(4, "Receiving RTP traffic from IP %s, matches with remote candidate's IP %s\n", ast_inet_ntoa(aux.sin_addr), tmp->ip);
ast_debug(4, "Sending STUN request to %s\n", tmp->ip);
}
tmp = tmp->next;
}
return 1;
}
| static int gtalk_write | ( | struct ast_channel * | ast, |
| struct ast_frame * | f | ||
| ) | [static] |
Send frame to media channel (rtp)
Definition at line 1425 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.
{
struct gtalk_pvt *p = ast->tech_pvt;
int res = 0;
switch (frame->frametype) {
case AST_FRAME_VOICE:
if (!(frame->subclass & ast->nativeformats)) {
ast_log(LOG_WARNING,
"Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n",
frame->subclass, ast->nativeformats, ast->readformat,
ast->writeformat);
return 0;
}
if (p) {
ast_mutex_lock(&p->lock);
if (p->rtp) {
res = ast_rtp_write(p->rtp, frame);
}
ast_mutex_unlock(&p->lock);
}
break;
case AST_FRAME_VIDEO:
if (p) {
ast_mutex_lock(&p->lock);
if (p->vrtp) {
res = ast_rtp_write(p->vrtp, frame);
}
ast_mutex_unlock(&p->lock);
}
break;
case AST_FRAME_IMAGE:
return 0;
break;
default:
ast_log(LOG_WARNING, "Can't send %d type frames with Gtalk write\n",
frame->frametype);
return 0;
}
return res;
}
| static int load_module | ( | void | ) | [static] |
Load module into PBX, register channel.
Definition at line 2033 of file chan_gtalk.c.
References __ourip, ARRAY_LEN, ast_channel_register(), ast_cli_register_multiple(), ast_find_ourip(), ast_log(), ast_module_helper(), AST_MODULE_LOAD_DECLINE, ast_rtp_proto_register(), ASTOBJ_CONTAINER_INIT, free, GOOGLE_CONFIG, gtalk_list, gtalk_load_config(), io_context_create(), LOG_ERROR, LOG_WARNING, sched_context_create(), and ast_channel_tech::type.
{
char *jabber_loaded = ast_module_helper("", "res_jabber.so", 0, 0, 0, 0);
free(jabber_loaded);
if (!jabber_loaded) {
/* If embedded, check for a different module name */
jabber_loaded = ast_module_helper("", "res_jabber", 0, 0, 0, 0);
free(jabber_loaded);
if (!jabber_loaded) {
ast_log(LOG_ERROR, "chan_gtalk.so depends upon res_jabber.so\n");
return AST_MODULE_LOAD_DECLINE;
}
}
ASTOBJ_CONTAINER_INIT(>alk_list);
if (!gtalk_load_config()) {
ast_log(LOG_ERROR, "Unable to read config file %s. Not loading module.\n", GOOGLE_CONFIG);
return 0;
}
sched = sched_context_create();
if (!sched)
ast_log(LOG_WARNING, "Unable to create schedule context\n");
io = io_context_create();
if (!io)
ast_log(LOG_WARNING, "Unable to create I/O context\n");
if (ast_find_ourip(&__ourip, bindaddr)) {
ast_log(LOG_WARNING, "Unable to get own IP address, Gtalk disabled\n");
return 0;
}
ast_rtp_proto_register(>alk_rtp);
ast_cli_register_multiple(gtalk_cli, ARRAY_LEN(gtalk_cli));
/* Make sure we can register our channel type */
if (ast_channel_register(>alk_tech)) {
ast_log(LOG_ERROR, "Unable to register channel class %s\n", gtalk_tech.type);
return -1;
}
return 0;
}
| static int reload | ( | void | ) | [static] |
| static int unload_module | ( | void | ) | [static] |
Unload the gtalk channel from Asterisk.
Definition at line 2084 of file chan_gtalk.c.
References ARRAY_LEN, ast_channel_unregister(), ast_cli_unregister_multiple(), ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_rtp_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(), gtalklock, LOG_WARNING, gtalk_pvt::next, and gtalk_pvt::owner.
{
struct gtalk_pvt *privates = NULL;
ast_cli_unregister_multiple(gtalk_cli, ARRAY_LEN(gtalk_cli));
/* First, take us out of the channel loop */
ast_channel_unregister(>alk_tech);
ast_rtp_proto_unregister(>alk_rtp);
if (!ast_mutex_lock(>alklock)) {
/* Hangup all interfaces if they have an owner */
ASTOBJ_CONTAINER_TRAVERSE(>alk_list, 1, {
ASTOBJ_WRLOCK(iterator);
privates = iterator->p;
while(privates) {
if (privates->owner)
ast_softhangup(privates->owner, AST_SOFTHANGUP_APPUNLOAD);
privates = privates->next;
}
iterator->p = NULL;
ASTOBJ_UNLOCK(iterator);
});
ast_mutex_unlock(>alklock);
} else {
ast_log(LOG_WARNING, "Unable to lock the monitor\n");
return -1;
}
ASTOBJ_CONTAINER_DESTROYALL(>alk_list, gtalk_member_destroy);
ASTOBJ_CONTAINER_DESTROY(>alk_list);
return 0;
}
Variable Documentation
struct ast_module_info __MODULE_INFO_SECTION __mod_info = { __MODULE_INFO_GLOBALS .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Gtalk Channel Driver" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .reload = reload, } [static] |
Definition at line 2119 of file chan_gtalk.c.
struct in_addr __ourip [static] |
Definition at line 218 of file chan_gtalk.c.
Referenced by gtalk_create_candidates(), and load_module().
struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 2119 of file chan_gtalk.c.
struct sockaddr_in bindaddr = { 0, } [static] |
The address we bind to
Definition at line 214 of file chan_gtalk.c.
struct ast_jb_conf default_jbconf [static] |
Global jitterbuffer configuration - by default, jb is disabled
Definition at line 76 of file chan_gtalk.c.
const char desc[] = "Gtalk Channel" [static] |
Definition at line 162 of file chan_gtalk.c.
char externip[16] [static] |
Definition at line 233 of file chan_gtalk.c.
int global_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW | AST_FORMAT_GSM | AST_FORMAT_H263 [static] |
Definition at line 164 of file chan_gtalk.c.
Referenced by gtalk_alloc(), and gtalk_new().
struct ast_jb_conf global_jbconf [static] |
Definition at line 84 of file chan_gtalk.c.
Referenced by gtalk_load_config(), and gtalk_new().
struct ast_cli_entry gtalk_cli[] [static] |
{
AST_CLI_DEFINE(gtalk_do_reload, "Reload GoogleTalk configuration"),
AST_CLI_DEFINE(gtalk_show_channels, "Show GoogleTalk channels"),
}
Definition at line 228 of file chan_gtalk.c.
struct gtalk_container gtalk_list [static] |
Definition at line 235 of file chan_gtalk.c.
Referenced by find_gtalk(), gtalk_load_config(), gtalk_show_channels(), load_module(), and unload_module().
struct ast_rtp_protocol gtalk_rtp [static] |
RTP driver interface.
Definition at line 221 of file chan_gtalk.c.
struct ast_channel_tech gtalk_tech [static] |
PBX interface structure for channel registration.
Definition at line 194 of file chan_gtalk.c.
Referenced by gtalk_new().
ast_mutex_t gtalklock = AST_MUTEX_INIT_VALUE [static] |
Protect the interface list (of gtalk_pvt's)
Definition at line 166 of file chan_gtalk.c.
Referenced by gtalk_alloc(), gtalk_show_channels(), and unload_module().
struct io_context* io [static] |
The IO context
Definition at line 217 of file chan_gtalk.c.
Referenced by ast_rtp_new_with_bindaddr(), and ast_udptl_new_with_bindaddr().
struct sched_context* sched [static] |
The scheduling context
Definition at line 216 of file chan_gtalk.c.
Referenced by ast_rtp_new_with_bindaddr(), and ast_udptl_new_with_bindaddr().
