Function pv_get_contact_body

pvar.c:884–1018

static int pv_get_contact_body(struct sip_msg *msg, pv_param_t *param,
		pv_value_t *res)
{
	struct hdr_field *ct_h;
	contact_body_t *ct_b;
	contact_t *ct;
	int idx;
	int idxf;
	char *p;

	if(msg==NULL)
		return -1;

	/* get all CONTACT headers */
	if(parse_headers(msg, HDR_EOH_F, 0)==-1 || msg->contact==NULL ||
	!msg->contact->body.s || msg->contact->body.len<=0)
	{
		LM_DBG("no contact header!\n");
		return pv_get_null(msg, param, res);
	}

	ct_h = msg->contact;
	if (parse_contact( ct_h )!=0) {
		LM_ERR("failed to parse contact hdr\n");
		return -1;
	}
	ct_b = (contact_body_t*)ct_h->parsed;
	if (ct_b==NULL)
		return pv_get_null(msg, param, res);
	ct = ct_b->contacts;

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

	if( idxf!=PV_IDX_ALL && idx==0) {
		/* no index specified -> return the first contact body */
		return get_contact_body_field( res , ct_h, ct, &param->pvn);
	}

	if(idxf==PV_IDX_ALL) {
		/* return all contact bodies */
		p = pv_local_buf;
		do {
			if(p!=pv_local_buf) {
				if (p-pv_local_buf+PV_FIELD_DELIM_LEN+1>PV_LOCAL_BUF_SIZE){
					LM_ERR("local buffer length exceeded\n");
					return pv_get_null(msg, param, res);
				}
				memcpy(p, PV_FIELD_DELIM, PV_FIELD_DELIM_LEN);
				p += PV_FIELD_DELIM_LEN;
			}

			get_contact_body_field( res , ct_h, ct, &param->pvn);
			if (p-pv_local_buf+res->rs.len+1>PV_LOCAL_BUF_SIZE) {
				LM_ERR("local buffer length exceeded!\n");