int member_exec( struct ast_channel* chan, void* data ) {
int left = 0 ;
int res;
struct ast_conference *conf = NULL;
struct ast_conf_member *member = NULL;
struct ast_frame *f = NULL;
struct ast_app *app = NULL;
ast_log( AST_CONF_DEBUG, "Launching NConference %s\n", "$Revision: 2325 $" ) ;
// make sure we have a channel to process
if ( chan == NULL )
{
ast_log( LOG_NOTICE, "member channel has closed\n" ) ;
return -1 ;
}
if (chan->_state != AST_STATE_UP)
if ( (res = ast_answer( chan )) )
{
ast_log( LOG_ERROR, "unable to answer call\n" ) ;
return -1 ;
}
member = create_member( chan, (const char*)( data ) ) ;
// unable to create member, return an error
if ( member == NULL )
{
ast_log( LOG_ERROR, "unable to create member\n" ) ;
return -1 ;
}
//
// setup Openpbx read/write formats
//
//ast_log( AST_CONF_DEBUG,
// "CHANNEL INFO, CHANNEL => %s, DNID => %s, CALLER_ID => %s, ANI => %s\n",
// chan->name, chan->cid.cid_dnid, chan->cid.cid_num, chan->cid.cid_ani ) ;
ast_log( AST_CONF_DEBUG,
"CHANNEL CODECS, CHANNEL => %s, NATIVE => %d, READ => %d, WRITE => %d\n",
chan->name, chan->nativeformats, member->read_format, member->write_format ) ;
if ( ast_set_read_format( chan, member->read_format ) < 0 )
{
ast_log( LOG_ERROR, "unable to set read format.\n" ) ;
delete_member( member ) ;
return -1 ;
}
// for right now, we'll send everything as slinear
if ( ast_set_write_format( chan, member->write_format ) < 0 )
{
ast_log( LOG_ERROR, "unable to set write format.\n" ) ;
delete_member( member ) ;
return -1 ;
}
//
// setup a conference for the new member
//
conf = start_conference( member ) ;
if ( conf == NULL )
{
ast_log( LOG_ERROR, "unable to setup member conference\n" ) ;
delete_member( member) ;
return -1 ;
} else {
if (conf->is_locked && (member->type != MEMBERTYPE_MASTER) ) {
if (strlen(conf->pin) == 0 || strncmp(conf->pin,member->pin,sizeof(conf->pin)) ) {
/* Conference is Locked and an invalid PIN was entered */
remove_member(conf, member);
return -2 ;
}
} else {
member->conf = conf;
if ( member->type == MEMBERTYPE_MASTER )
conf->auto_destroy = member->auto_destroy;
}
}
if ( member->type == MEMBERTYPE_MASTER ) {
conf->auto_destroy = member->auto_destroy;
if ( strlen( member->pin ) > 0 ) {
strncpy(conf->pin,member->pin,sizeof(conf->pin));
ast_log( AST_CONF_DEBUG, "Conference pin set to => %s\n", conf->pin ) ;
}
}
//
// process loop for new member ( this runs in it's own thread
//
ast_log( AST_CONF_DEBUG, "begin member event loop, channel => %s\n", chan->name ) ;
// Add user to monitor
if (member->monitor) {
const char * const monitorfilename = pbx_builtin_getvar_helper(chan, "MONITOR_FILENAME");
if (monitorfilename) {
ast_monitor_start(chan, NULL, monitorfilename, 1);
} else if (chan->cdr) {
ast_monitor_start(chan, NULL, chan->cdr->uniqueid, 1);
} else {
char tmpid[256];
snprintf(tmpid, sizeof(tmpid), "chan-%x", rand());
ast_monitor_start(chan, NULL, tmpid, 1);
}
if (member->monitor_join) {
ast_monitor_setjoinfiles(chan, 1);
}
}
// Run AGI script
if (member->agi) {
char * agi = pbx_builtin_getvar_helper(chan, "AGI_CONF_JOIN");
if (agi) {
app = pbx_findapp("agi");
if (app) {
pbx_exec(chan, app, agi, 1);
}
} else {
ast_log(LOG_WARNING, "AGI requested, but AGI_CONF_JOIN missing.\n");
}
conf->agi = 1 ;
}
// Activate the generator for the channel.
res = ast_conf_member_genactivate( member );
if ( !res ) {
member->force_remove_flag = 1;
ast_log( AST_CONF_DEBUG, "member marked for removal => %s\n", chan->name ) ;
}
//Play the join info messages
if (!member->force_remove_flag && !member->quiet_mode && !member->mute_incoming_sounds) {
if (ast_strlen_zero(member->intro_sounds)) {
conference_queue_sound( member, "conf-youareinconfnum" );
conference_queue_number( member, member->id );
}
}
// The member at the very beginningis speaking
member->is_speaking = 1 ;
// tell conference_exec we're ready for frames
member->active_flag = 1 ;
//Main loop.
while ( !member->force_remove_flag || member->soundq != NULL )
{
#ifdef SOLARIS
struct timespec rqtp;
rqtp.tv_sec = 0;
rqtp.tv_nsec = 1000000;
if (nanosleep(&rqtp, (struct timespec *) NULL) == -1) {
ast_log(LOG_NOTICE, "Nanosleep timer errored.\n");
}
#else
usleep(1000);
#endif
//-----------------//
// INCOMING FRAMES //
//-----------------//
if ( member->force_remove_flag == 1 ) {
// break to the loop
break;
}
// wait for an event on this channel
int waittime = ( member->framelen == 0 ) ? AST_CONF_WAITFOR_TIME : member->framelen;
left = ast_waitfor( chan, waittime ) ;
if ( left < 0 )
{
// an error occured
ast_log(
LOG_NOTICE,
"an error occured waiting for a frame, channel => %s, error => %d\n",
chan->name, left
) ;
}
else if ( left == 0 )
{
// No frame avalaible
member->lostframecount ++;
// We have lost a frame.
// In this case, we queue some silence
// Sothat if we keep loosing frames,
// there will be no glitching in the conference.
// Set the speaking state to 0.
if ( member->lostframecount == 1 ) {
queue_incoming_silent_frame(member,1);
}
member->is_speaking = 0;
}
else if ( left > 0 )
{
// a frame has come in before the latency timeout
// was reached, so we process the frame
// let's reset the lost frame count
if ( member->lostframecount ) {
member->lostframecount = 0;
// If vad is not enabled, then set the speaking state back to 1
if ( !member->enable_vad )
member->is_speaking = 1;
}
f = ast_read( chan ) ;
if ( f == NULL )
{
ast_log( AST_CONF_DEBUG, "unable to read from channel, channel => %s. Got Hangup.\n", chan->name ) ;
queue_incoming_silent_frame(member,5);
member->is_speaking = 0;
break ;
}
else {
/*
ast_log( AST_CONF_DEBUG,
"Read (PRE dsp), channel => %s, datalen: %d samplefreq: %ld len: %ld samples %d class: %d\n",
chan->name, f->datalen, member->samplefreq, f->len, f->samples, f->subclass) ;
*/
#if 0 == 1
if ( member->samplefreq == 0 && f->samples != 0 )
{
if ( ( f->len == 0 ) && ( f->datalen == 320 ) && ( f->samples == 160 ) )
member->framelen = 20; // This is probably chan_zap not setting the correct len.
else
member->framelen = f->len; // frame length in milliseconds
member->datalen = f->datalen; // frame length in milliseconds
member->samples = f->samples; // number of samples in framelen
member->samplefreq = (int)(member->samples/member->framelen)*1000; // calculated sample frequency
ast_log( AST_CONF_DEBUG, "MEMBER FRAME DATA: datalen %d samples %d len(ms) %ld, offset: %d \n", f->datalen, f->samples, f->len, f->offset );
}
if (
( (member->framelen != f->len ) && ( f->len !=0 ) )
||
( (member->samples != f->samples ) && ( f->samples !=0 ) && ( f->len !=0 ) )
)
{
ast_log( AST_CONF_DEBUG, "FRAME CHANGE : samples %d len(ms) %ld\n", f->samples, f->len );
ast_log( AST_CONF_DEBUG, "FRAME SHOULDBE: samples %d len(ms) %ld\n", member->samples, member->framelen );
if (member->samples == 0 ) {
member->framelen = f->len; // frame length in milliseconds
member->datalen = f->datalen; // frame length in milliseconds
member->samples = f->samples; // number of samples in framelen
member->samplefreq = (int) ( f->samples/f->len)*1000; // calculated sample frequency
}
}
#endif
member->framelen = f->datalen;
// This fix is for chan_zap
// Chan_zap NEVER sets framelen value.
// Probably when adding support to 16Khz we should add a check for this.
if ( ( member->framelen == 0 ) && ( member->datalen == 320 ) && ( member->samples == 160 ) )
member->framelen = 20;
}
}
// actually process the frame.
res = process_incoming(member, f);
if (member->force_remove_flag)
member->remove_flag = 1 ;
}
// Run AGI script
if (member->agi) {
char * agi = pbx_builtin_getvar_helper(chan, "AGI_CONF_LEAVE");
if (agi) {
app = pbx_findapp("agi");
if (app) {
pbx_exec(chan, app, agi, 1);
}
} else {
ast_log(LOG_WARNING, "AGI requested, but AGI_CONF_LEAVE missing.\n");
}
}
if (conf->agi)
handle_conf_agi_end(conf->name, member);
member->remove_flag = 1 ;
ast_log( AST_CONF_DEBUG, "end member event loop, time_entered => %ld - removal: %d\n", member->time_entered.tv_sec, member->remove_flag ) ;
//ast_log( AST_CONF_DEBUG, "Deactivating generator - Channel => %s\n", member->chan->name ) ;
ast_generator_deactivate(chan);
if (member->hangup_go_on) {
ast_log(AST_CONF_DEBUG, "Hangup go on!\n");
return 0;
}
return -1 ;
}
int member_exec( struct cw_channel* chan, int argc, char **argv ) {
int left = 0 ;
int res;
struct cw_conference *conf = NULL;
struct cw_conf_member *member = NULL;
struct cw_frame *f = NULL;
cw_log( CW_CONF_DEBUG, "Launching NConference %s\n", "$Revision: 5349 $" ) ;
if (chan->_state != CW_STATE_UP)
if ( (res = cw_answer( chan )) )
{
cw_log( LOG_ERROR, "unable to answer call\n" ) ;
return -1 ;
}
member = create_member( chan, argc, argv ) ;
// unable to create member, return an error
if ( member == NULL )
{
cw_log( LOG_ERROR, "unable to create member\n" ) ;
return -1 ;
}
//
// setup CallWeaver read/write formats
//
cw_log(CW_CONF_DEBUG,
"CHANNEL INFO, CHANNEL => %s, DNID => %s, CALLER_ID => %s, ANI => %s\n",
chan->name ? chan->name : "----",
chan->cid.cid_dnid ? chan->cid.cid_dnid : "----",
chan->cid.cid_num ? chan->cid.cid_num : "----",
chan->cid.cid_ani ? chan->cid.cid_ani : "----");
cw_log(CW_CONF_DEBUG,
"CHANNEL CODECS, CHANNEL => %s, NATIVE => %d, READ => %d, WRITE => %d\n",
chan->name,
chan->nativeformats,
member->read_format,
member->write_format);
if ( cw_set_read_format( chan, member->read_format ) < 0 )
{
cw_log( LOG_ERROR, "unable to set read format.\n" ) ;
delete_member( member ) ;
return -1 ;
}
// for right now, we'll send everything as slinear
if ( cw_set_write_format( chan, member->write_format ) < 0 )
{
cw_log( LOG_ERROR, "unable to set write format.\n" ) ;
delete_member( member ) ;
return -1 ;
}
//
// setup a conference for the new member
//
conf = start_conference( member ) ;
if ( conf == NULL )
{
cw_log( LOG_ERROR, "unable to setup member conference\n" ) ;
delete_member( member) ;
return -1 ;
} else {
if (conf->is_locked && (member->type != MEMBERTYPE_MASTER) ) {
if ( strcmp(conf->pin,member->pin) ) {
conference_queue_sound(member,"conf-locked");
conf_play_soundqueue( member );
member->force_remove_flag = 1 ;
}
} else {
member->conf = conf;
if ( member->type == MEMBERTYPE_MASTER )
conf->auto_destroy = member->auto_destroy;
}
}
if ( member->type == MEMBERTYPE_MASTER ) {
conf->auto_destroy = member->auto_destroy;
if ( strlen( member->pin ) > 0 ) {
strncpy(conf->pin,member->pin,sizeof(conf->pin));
cw_log( CW_CONF_DEBUG, "Conference pin set to => %s\n", conf->pin ) ;
}
}
//
// process loop for new member ( this runs in it's own thread
//
cw_log( CW_CONF_DEBUG, "begin member event loop, channel => %s\n", chan->name ) ;
// Activate the generator for the channel.
res = cw_conf_member_genactivate( member );
if ( !res ) {
member->force_remove_flag = 1;
cw_log( CW_CONF_DEBUG, "member marked for removal => %s\n", chan->name ) ;
}
//Play the join info messages
if (!member->force_remove_flag && !member->quiet_mode) {
conference_queue_sound( member, "conf-youareinconfnum" );
conference_queue_number( member, member->id );
}
// The member at the very beginningis speaking
member->is_speaking = 1 ;
// tell conference_exec we're ready for frames
member->active_flag = 1 ;
//Main loop.
while ( !member->force_remove_flag || member->soundq != NULL )
{
usleep(1000);
// make sure we have a channel to process
if ( chan == NULL )
{
cw_log( LOG_NOTICE, "member channel has closed\n" ) ;
break ;
}
//-----------------//
// INCOMING FRAMES //
//-----------------//
if ( member->force_remove_flag == 1 ) {
// break to the loop
break;
}
// wait for an event on this channel
int waittime = ( member->framelen == 0 ) ? CW_CONF_WAITFOR_TIME : member->framelen;
left = cw_waitfor( chan, waittime ) ;
f = NULL;
if ( left < 0 )
{
// an error occured
cw_log(
LOG_NOTICE,
"an error occured waiting for a frame, channel => %s, error => %d\n",
chan->name, left
) ;
}
else if ( left == 0 )
{
// No frame avalaible
member->lostframecount ++;
// We have lost a frame.
// In this case, we queue some silence
// Sothat if we keep loosing frames,
// there will be no glitching in the conference.
// Set the speaking state to 0.
if ( member->lostframecount == 1 ) {
queue_incoming_silent_frame(member,1);
}
member->is_speaking = 0;
}
else if ( left > 0 )
{
// a frame has come in before the latency timeout
// was reached, so we process the frame
// let's reset the lost frame count
if ( member->lostframecount ) {
member->lostframecount = 0;
// If vad is not enabled, then set the speaking state back to 1
if ( !member->enable_vad )
member->is_speaking = 1;
}
f = cw_read( chan ) ;
if ( f == NULL )
{
cw_log( CW_CONF_DEBUG, "unable to read from channel, channel => %s. Got Hangup.\n", chan->name ) ;
queue_incoming_silent_frame(member,5);
member->is_speaking = 0;
break ;
}
else {
/*
cw_log( CW_CONF_DEBUG,
"Read (PRE dsp), channel => %s, datalen: %d samplefreq: %ld len: %ld samples %d class: %d\n",
chan->name, f->datalen, member->samplefreq, f->len, f->samples, f->subclass) ;
*/
if ( member->samplefreq == 0 && f->samples != 0 )
{
if ( ( f->len == 0 ) && ( f->datalen == 320 ) && ( f->samples == 160 ) )
member->framelen = 20; // This is probably chan_zap not setting the correct len.
else
member->framelen = f->len; // frame length in milliseconds
member->datalen = f->datalen; // frame length in milliseconds
member->samples = f->samples; // number of samples in framelen
member->samplefreq = (int)(member->samples/member->framelen)*1000; // calculated sample frequency
cw_log( CW_CONF_DEBUG, "MEMBER FRAME DATA: datalen %d samples %d len(ms) %ld, offset: %d \n", f->datalen, f->samples, f->len, f->offset );
/*
// Try to initialize the smoother, only once
queue_incoming_silent_frame(member);
if ( member->smooth_size_in < 0 ) {
member->smooth_size_in = f->samples ;
cw_log( CW_CONF_DEBUG, "Initializing Smooother.\n");
member->inSmoother = cw_smoother_new(member->smooth_size_in);
if ( member->inSmoother == NULL )
cw_log( CW_CONF_DEBUG, "Smoother initialization failed\n");
}
*/
}
if (
( (member->framelen != f->len ) && ( f->len !=0 ) )
||
( (member->samples != f->samples ) && ( f->samples !=0 ) && ( f->len !=0 ) )
)
{
cw_log( CW_CONF_DEBUG, "FRAME CHANGE : samples %d len(ms) %ld\n", f->samples, f->len );
cw_log( CW_CONF_DEBUG, "FRAME SHOULDBE: samples %d len(ms) %ld\n", member->samples, member->framelen );
if (member->samples == 0 ) {
member->framelen = f->len; // frame length in milliseconds
member->datalen = f->datalen; // frame length in milliseconds
member->samples = f->samples; // number of samples in framelen
member->samplefreq = (int) ( f->samples/f->len)*1000; // calculated sample frequency
}
}
// This fix is for chan_zap
// Chan_zap NEVER sets framelen value.
// Probably when adding support to 16Khz we should add a check for this.
if ( ( member->framelen == 0 ) && ( member->datalen == 320 ) && ( member->samples == 160 ) )
member->framelen = 20;
}
}
// actually process the frame.
res = process_incoming(member, f);
if (member->force_remove_flag)
member->remove_flag = 1 ;
}
//
// clean up
//
if ( member != NULL )
member->remove_flag = 1 ;
cw_log( CW_CONF_DEBUG, "end member event loop, time_entered => %ld - removal: %d\n", member->time_entered.tv_sec, member->remove_flag ) ;
//cw_log( CW_CONF_DEBUG, "Deactivating generator - Channel => %s\n", member->chan->name ) ;
cw_generator_deactivate(chan);
return -1 ;
}
static void handle_add_request( GROUP_LIST* groups, char* msg, char* ip , unsigned short port_number){
unsigned short len;
int packet_header_offset;
char* group_name;
GROUP_T *group;
GROUP_T* new_group;
MEMBER_T* new_member;
packet_header_offset = sizeof(unsigned short) + sizeof(char);
memcpy(&len, msg, sizeof(unsigned short));
len = ntohs(len);
group_name = (char*) malloc( sizeof(char) * (len + 1)); // len + 1 bytes including the '\0'
if(!group_name){
/*
* Server is out of memory.Send a negative reply.We only need to change
* the \type field of the packet's header
*/
msg[2] = ADD_REPLY_NEGATIVE;
return ;
}
// copy group name from the packet
strncpy( group_name, msg + packet_header_offset, len );
group_name[len] = '\0';
new_member = create_member(ip , port_number);
if( !new_member){
// not enough memory
free(group_name);
msg[2] = ADD_REPLY_NEGATIVE;
return;
}
group = get_group_by_name(groups, group_name);
if(!group){
/*
* No such group.First create a new members list and add the new member to the
* list.Then create a new group and add it to the groups' list
*/
int flag;
MEMBER_LIST* member_list = create_member_list();
if( !member_list){
free(group_name);
free(new_member);
msg[2] = ADD_REPLY_NEGATIVE;
return ;
}
// add member to the list
flag = add_member(member_list,new_member);
if( !flag){
// not added
free(member_list);
free(new_member);
free(group_name);
msg[2] = ADD_REPLY_NEGATIVE;
return ;
}
// now create a new group and add it to the groups list
new_group = create_group( group_name, member_list);
if( !new_group){
free(new_member);
free(member_list);
free(group_name);
msg[2] = ADD_REPLY_NEGATIVE;
return;
}
// add it to the groups' list
add_group(groups, new_group);
msg[2] = ADD_REPLY_POSITIVE;
return;
}
else{
// group is found.Add the member to the group
add_member( group->members, new_member);
// positive reply
msg[2] = ADD_REPLY_POSITIVE;
}
free(group_name);
return ;
}