/**
* Decode a r_subscription from a binary data structure
* @param x - binary data to decode from
* @returns the r_subscription* where the data has been decoded
*/
r_subscription* bin_decode_r_subscription(bin_data *x)
{
r_subscription *s=0;
int len;
str st;
char c;
len = sizeof(r_subscription);
s = (r_subscription*) shm_malloc(len);
if (!s) {
LOG(L_ERR,"ERR:"M_NAME":bin_decode_r_subscription: Error allocating %d bytes.\n",len);
goto error;
}
memset(s,0,len);
if (!bin_decode_str(x,&st)||!str_shm_dup(&(s->req_uri),&st)) goto error;
if (!bin_decode_int(x,&s->duration)) goto error;
if (!bin_decode_time_t(x,&s->expires)) goto error;
if (!bin_decode_char(x,&c)) goto error;
s->attempts_left = c;
if (!bin_decode_dlg_t(x,&(s->dialog))) goto error;
s->hash = get_subscription_hash(s->req_uri);
return s;
error:
LOG(L_ERR,"ERR:"M_NAME":bin_decode_r_subscription: Error while decoding (at %d (%04x)).\n",x->max,x->max);
if (s) {
if (s->req_uri.s) shm_free(s->req_uri.s);
if (s->dialog) tmb.free_dlg(s->dialog);
shm_free(s);
}
return 0;
}
/**
* Adds a subscription to the list of subscriptions at the end (FIFO).
* @param s - the subscription to be added
*/
void add_r_subscription(r_subscription *s)
{
if (!s) return;
s->hash = get_subscription_hash(s->req_uri);
subs_lock(s->hash);
s->next = 0;
s->prev = subscriptions[s->hash].tail;
if (subscriptions[s->hash].tail) subscriptions[s->hash].tail->next = s;
subscriptions[s->hash].tail = s;
if (!subscriptions[s->hash].head) subscriptions[s->hash].head = s;
subs_unlock(s->hash);
}
/**
* Returns a subscription if it exists
* \note - this returns with a lock on the subscriptions[s->hash] if found. Don't forget to unlock when done!!!
* @param aor - AOR to look for
* @returns 1 if found, 0 if not
*/
r_subscription* get_r_subscription(str aor)
{
r_subscription *s;
unsigned int hash = get_subscription_hash(aor);
subs_lock(hash);
s = subscriptions[hash].head;
while(s){
if (s->req_uri.len == aor.len &&
strncasecmp(s->req_uri.s,aor.s,aor.len)==0)
{
return s;
}
s = s->next;
}
subs_unlock(hash);
return 0;
}
