void sipomatic_iterate(Sipomatic *obj)
{
MSList *elem;
MSList *to_be_destroyed=NULL;
Call *call;
double elapsed;
eXosip_event_t *ev;
while((ev=eXosip_event_wait(0,0))!=NULL){
sipomatic_process_event(obj,ev);
}
elem=obj->calls;
while(elem!=NULL){
call=(Call*)elem->data;
elapsed=time(NULL)-call->time;
switch(call->state){
case CALL_STATE_INIT:
if (elapsed>obj->acceptance_time){
call_accept(call);
}
break;
case CALL_STATE_RUNNING:
if (elapsed>obj->max_call_time || call->eof){
call_release(call);
to_be_destroyed=ms_list_append(to_be_destroyed,call);
}
break;
}
elem=ms_list_next(elem);
}
for(;to_be_destroyed!=NULL; to_be_destroyed=ms_list_next(to_be_destroyed)){
call_destroy((Call*)to_be_destroyed->data);
}
}
/* Handle incoming calls */
static void sipsess_conn_handler(const struct sip_msg *msg, void *arg)
{
const struct sip_hdr *hdr;
struct ua *ua;
struct call *call = NULL;
char to_uri[256];
int err;
(void)arg;
ua = uag_find(&msg->uri.user);
if (!ua) {
warning("ua: %r: UA not found: %r\n",
&msg->from.auri, &msg->uri.user);
(void)sip_treply(NULL, uag_sip(), msg, 404, "Not Found");
return;
}
/* handle multiple calls */
if (list_count(&ua->calls) + 1 > MAX_CALLS) {
info("ua: rejected call from %r (maximum %d calls)\n",
&msg->from.auri, MAX_CALLS);
(void)sip_treply(NULL, uag.sip, msg, 486, "Busy Here");
return;
}
/* Handle Require: header, check for any required extensions */
hdr = sip_msg_hdr_apply(msg, true, SIP_HDR_REQUIRE,
require_handler, ua);
if (hdr) {
info("ua: call from %r rejected with 420"
" -- option-tag '%r' not supported\n",
&msg->from.auri, &hdr->val);
(void)sip_treplyf(NULL, NULL, uag.sip, msg, false,
420, "Bad Extension",
"Unsupported: %r\r\n"
"Content-Length: 0\r\n\r\n",
&hdr->val);
return;
}
(void)pl_strcpy(&msg->to.auri, to_uri, sizeof(to_uri));
err = ua_call_alloc(&call, ua, VIDMODE_ON, msg, NULL, to_uri);
if (err) {
warning("ua: call_alloc: %m\n", err);
goto error;
}
err = call_accept(call, uag.sock, msg);
if (err)
goto error;
return;
error:
mem_deref(call);
(void)sip_treply(NULL, uag.sip, msg, 500, "Call Error");
}