/* @return:
* 0 - backup
* 1 - active
* -1 - error
* -2 - dlg val not found
*/
int get_shtag_state(struct dlg_cell *dlg)
{
str tag_name;
struct dlg_sharing_tag *tag;
int rc;
rc = fetch_dlg_value(dlg, &shtag_dlg_val, &tag_name, 0);
if (rc == -1) {
LM_ERR("Unable to fetch dlg value for sharing tag\n");
return -1;
} else if (rc == -2) {
LM_DBG("dlg value for sharing tag not found\n");
return -2;
}
if ((tag = get_shtag(&tag_name, 0)) == NULL) {
LM_ERR("Unable to fetch sharing tag\n");
return -1;
}
rc = tag->state;
lock_stop_sw_read(shtags_lock);
return rc;
}
int w_fetch_dlg_value(struct sip_msg *msg, char *name, char *result)
{
struct dlg_cell *dlg;
str val;
pv_spec_t *sp_dest;
int_str res;
int avp_name;
unsigned short avp_type;
script_var_t * sc_var;
sp_dest = (pv_spec_t *)result;
if ( (dlg=get_current_dialog())==NULL )
return -1;
if (fetch_dlg_value( dlg, (str*)name, &val, 0) ) {
LM_DBG("failed to fetch dialog value <%.*s>\n",
((str*)name)->len, ((str*)name)->s);
return -1;
}
switch (sp_dest->type) {
case PVT_AVP:
if (pv_get_avp_name( msg, &(sp_dest->pvp), &avp_name,
&avp_type)!=0){
LM_CRIT("BUG in getting AVP name\n");
return -1;
}
res.s = val;
if (add_avp(avp_type|AVP_VAL_STR, avp_name, res)<0){
LM_ERR("cannot add AVP\n");
return -1;
}
break;
case PVT_SCRIPTVAR:
if(sp_dest->pvp.pvn.u.dname == 0){
LM_ERR("cannot find svar name\n");
return -1;
}
res.s = val;
sc_var = (script_var_t *)sp_dest->pvp.pvn.u.dname;
if(!set_var_value(sc_var, &res, VAR_VAL_STR)){
LM_ERR("cannot set svar\n");
return -1;
}
break;
default:
LM_CRIT("BUG: invalid pvar type\n");
return -1;
}
return 1;
}
int pv_get_dlg_val(struct sip_msg *msg, pv_param_t *param, pv_value_t *res)
{
struct dlg_cell *dlg;
if (param==NULL || param->pvn.type!=PV_NAME_INTSTR ||
param->pvn.u.isname.type!=AVP_NAME_STR ||
param->pvn.u.isname.name.s.s==NULL ) {
LM_CRIT("BUG - bad parameters\n");
return -1;
}
if ( (dlg=get_current_dialog())==NULL )
return pv_get_null(msg, param, res);
if (fetch_dlg_value( dlg, ¶m->pvn.u.isname.name.s, ¶m->pvv, 1)!=0)
return pv_get_null(msg, param, res);
res->flags = PV_VAL_STR;
res->rs = param->pvv;
return 0;
}
static int w_get_dlg_info(struct sip_msg *msg, char *attr, char *attr_val,
char *key, char *key_val)
{
struct dlg_cell *dlg;
pv_elem_t *pve = (pv_elem_t *)key_val;
pv_spec_t *dst = (pv_spec_t *)attr_val;
pv_value_t val;
str val_s;
int n;
if ( pve==NULL || pv_printf_s(msg, pve, &val_s)!=0 ||
val_s.len == 0 || val_s.s == NULL) {
LM_WARN("cannot get string for value\n");
return -1;
}
dlg = get_dlg_by_val( (str*)key, &val_s);
if (dlg==NULL) {
/* nothing found */
LM_DBG("no dialog found\n");
return -1;
}
/* dlg found - NOTE you have a ref! */
LM_DBG("dialog found, fetching variable\n");
if (fetch_dlg_value( dlg, (str*)attr, &val.rs, 0) ) {
LM_DBG("failed to fetch dialog value <%.*s>\n",
((str*)attr)->len, ((str*)attr)->s);
n = -1 ;
} else {
val.flags = PV_VAL_STR;
n = (dst->setf( msg, &dst->pvp, 0, &val )==0)?1:-1;
}
unref_dlg(dlg, 1);
return n;
}
