Function build_cell

modules/tm/h_table.c:243–341

struct cell*  build_cell( struct sip_msg* p_msg, int full_uas)
{
	struct cell* new_cell;
	int          sip_msg_len;
	struct usr_avp **old;
	struct tm_callback *cbs, *cbs_tmp;
	unsigned short set;

	/* allocs a new cell */
	new_cell = (struct cell*)shm_malloc(sizeof(struct cell) + context_size(CONTEXT_TRAN));
	if  ( !new_cell ) {
		ser_error=E_OUT_OF_MEM;
		return NULL;
	}

	/* filling with 0 */
	memset( new_cell, 0, sizeof( struct cell ) + context_size(CONTEXT_TRAN));

	/* get timer set id based on the transaction pointer, but
	 * devide by 64 to avoid issues because pointer are 64 bits
	 * aligned */
	set = ( ((unsigned long)new_cell)>>tm_timer_shift ) % tm_table->timer_sets;

	/* UAS */
#ifdef EXTRA_DEBUG
	new_cell->uas.response.retr_timer.tg=TG_RT;
	new_cell->uas.response.fr_timer.tg=TG_FR;
#endif
	new_cell->uas.response.retr_timer.set = set;
	new_cell->uas.response.fr_timer.set = set;
	new_cell->uas.response.my_T=new_cell;

	/* dcm: - local generation transactions should not inherit AVPs
	 * - commpletely new message */
	if(p_msg) {
		/* move the current avp list to transaction -bogdan */
		old = set_avp_list( &new_cell->user_avps );
		new_cell->user_avps = *old;
		*old = 0;

		/* set now the hash index & label, in case begin callbacks need them
		 * we are now under hash lock, so it's safe - vlad */
		new_cell->hash_index = p_msg->hash_index;
		new_cell->label = tm_table->entrys[ new_cell->hash_index].next_label;

		/* move the pending callbacks to transaction -bogdan */
		if (p_msg->id==tmcb_pending_id) {
			new_cell->tmcb_hl = tmcb_pending_hl;
			tmcb_pending_hl.first = 0;
		}
		set_t(new_cell);

		/* enter callback, which may potentially want to parse some stuff,
		 * before the request is shmem-ized */
		if (has_reqin_tmcbs() )
			run_reqin_callbacks( new_cell, p_msg, p_msg->REQ_METHOD);

		/* clean possible previous added vias/clen header or else they would