Function pv_set_avp

pvar.c:3229–3307

start PV set functions *********/

/********* start PV set functions *********/
static int pv_set_avp(struct sip_msg* msg, pv_param_t *param,
		int op, pv_value_t *val)
{
	int avp_name;
	int_str avp_val;
	int flags;
	unsigned short name_type;
	int idx, idxf;

	if(param==NULL)
	{
		LM_ERR("bad parameters\n");
		return -1;
	}

	if(pv_get_avp_name(msg, param, &avp_name, &name_type)!=0)
	{
		LM_ALERT("BUG in getting dst AVP name\n");
		goto error;
	}

	/* get the index */
	if(pv_get_spec_index(msg, param, &idx, &idxf)!=0)
	{
		LM_ERR("invalid index\n");
		return -1;
	}

	if(val == NULL)
	{
		if(op == COLONEQ_T || idxf == PV_IDX_ALL)
			destroy_avps(name_type, avp_name, 1);
		else
		{
			destroy_index_avp(name_type, avp_name, idx);
		}
		return 0;
	}

	if(op == COLONEQ_T || idxf == PV_IDX_ALL)
		destroy_avps(name_type, avp_name, 1);

	flags = name_type;
	if(val->flags&PV_TYPE_INT)
	{
		avp_val.n = val->ri;
	} else {
		avp_val.s = val->rs;
		flags |= AVP_VAL_STR;
	}

	if(idxf == PV_IDX_INT || idxf == PV_IDX_PVAR) /* if the avp is indexed */
	{
		if(replace_avp(flags, avp_name, avp_val, idx)< 0)
		{
			LM_ERR("Failed to replace avp\n");
			goto error;
		}