static int changrab_exec(struct cw_channel *chan, int argc, char **argv)
{
int res=0;
struct localuser *u;
struct cw_channel *newchan;
struct cw_channel *oldchan;
struct cw_frame *f;
struct cw_bridge_config config;
if (argc < 1 || argc > 2) {
cw_log(LOG_ERROR, "Syntax: %s\n", changrab_syntax);
return -1;
}
if ((oldchan = my_cw_get_channel_by_name_locked(argv[0]))) {
cw_mutex_unlock(&oldchan->lock);
} else {
cw_log(LOG_WARNING, "No Such Channel: %s\n", argv[0]);
return -1;
}
if (argc > 1) {
if (oldchan->_bridge && strchr(argv[1], 'b'))
oldchan = oldchan->_bridge;
if (strchr(argv[1],'r') && oldchan->_state == CW_STATE_UP)
return -1;
}
LOCAL_USER_ADD(u);
newchan = cw_channel_alloc(0);
snprintf(newchan->name, sizeof (newchan->name), "ChanGrab/%s",oldchan->name);
newchan->readformat = oldchan->readformat;
newchan->writeformat = oldchan->writeformat;
cw_channel_masquerade(newchan, oldchan);
if((f = cw_read(newchan))) {
cw_fr_free(f);
memset(&config,0,sizeof(struct cw_bridge_config));
cw_set_flag(&(config.features_callee), CW_FEATURE_REDIRECT);
cw_set_flag(&(config.features_caller), CW_FEATURE_REDIRECT);
if(newchan->_state != CW_STATE_UP) {
cw_answer(newchan);
}
chan->appl = "Bridged Call";
res = cw_bridge_call(chan, newchan, &config);
cw_hangup(newchan);
}
LOCAL_USER_REMOVE(u);
return res ? 0 : -1;
}
static void *playtones_alloc(struct cw_channel *chan, void *params)
{
struct playtones_def *pd = params;
struct playtones_state *ps;
if ((ps = malloc(sizeof(*ps))) == NULL)
return NULL;
memset(ps, 0, sizeof(*ps));
ps->origwfmt = chan->writeformat;
if (cw_set_write_format(chan, CW_FORMAT_SLINEAR))
{
cw_log(LOG_WARNING, "Unable to set '%s' to signed linear format (write)\n", chan->name);
playtones_release(NULL, ps);
ps = NULL;
}
else
{
struct playtones_item *pi;
ps->vol = pd->vol;
ps->reppos = pd->reppos;
ps->nitems = pd->nitems;
ps->items = pd->items;
/* Initialize the tone generator */
pi = &pd->items[0];
tone_setup(ps, pi);
}
/* Let interrupts interrupt :) */
if (pd->interruptible)
cw_set_flag(chan, CW_FLAG_WRITE_INT);
else
cw_clear_flag(chan, CW_FLAG_WRITE_INT);
return ps;
}
static void *linear_alloc(struct cw_channel *chan, void *params)
{
struct linear_state *ls;
/* In this case, params is already malloc'd */
if (params) {
ls = params;
if (ls->allowoverride)
cw_set_flag(chan, CW_FLAG_WRITE_INT);
else
cw_clear_flag(chan, CW_FLAG_WRITE_INT);
ls->origwfmt = chan->writeformat;
if (cw_set_write_format(chan, CW_FORMAT_SLINEAR)) {
cw_log(LOG_WARNING, "Unable to set '%s' to linear format (write)\n", chan->name);
free(ls);
ls = params = NULL;
}
}
return params;
}
