modules/app_lua: added param to sr.xavp.get to choose between all the values (default) or just the first ones.

modules/app_lua/app_lua_sr.c

@@ -1237,6 +1237,57 @@ static int lua_sr_push_xavp_table(lua_State *L, sr_xavp_t *xavp) {
 	return 1;
 }
 
+ /**
+ * creates and push a table to the lua stack with
+ * only the firsts elements of the xavp
+ */
+static int lua_sr_push_xavp_table_simple(lua_State *L, sr_xavp_t *xavp) {
+	lua_Number i = 1;
+	sr_xavp_t *avp = NULL;
+
+	if(xavp->val.type!=SR_XTYPE_XAVP){
+		LM_ERR("%s not xavp?\n", xavp->name.s);
+		return 0;
+	}
+	avp = xavp->val.v.xavp;
+
+	lua_newtable(L);
+	while(avp!=NULL){
+		switch(avp->val.type) {
+			case SR_XTYPE_NULL:
+				lua_pushnil(L);
+				lua_setfield(L, -2, avp->name.s);
+			break;
+			case SR_XTYPE_INT:
+				i = avp->val.v.i;
+				lua_pushnumber(L, i);
+				lua_setfield(L, -2, avp->name.s);
+			break;
+			case SR_XTYPE_STR:
+				lua_pushlstring(L, avp->val.v.s.s, avp->val.v.s.len);
+				lua_setfield(L, -2, avp->name.s);
+			break;
+			case SR_XTYPE_TIME:
+			case SR_XTYPE_LONG:
+			case SR_XTYPE_LLONG:
+			case SR_XTYPE_DATA:
+				lua_pushnil(L);
+				lua_setfield(L, -2, avp->name.s);
+				LM_WARN("XAVP type:%d value not supported\n", avp->val.type);
+			break;
+			case SR_XTYPE_XAVP:
+				if(!lua_sr_push_xavp_table(L,avp->val.v.xavp)){
+					LM_ERR("xavp:%.*s subtable error. Nil value added\n", avp->name.len, avp->name.s);
+					lua_pushnil(L);
+				}
+				lua_setfield(L, -2, avp->name.s);
+			break;
+		}
+		avp = avp->next;
+	}
+	return 1;
+}
+
 /**
  * puts a table with content of a xavp
  */
@@ -1246,23 +1297,38 @@ static int lua_sr_xavp_get(lua_State *L)
 	int indx = 0;
 	sr_lua_env_t *env_L;
 	sr_xavp_t *avp;
+	int num_param = 0;
+	int param = -1;
+	int simple_flag = 0;
 
 	env_L = sr_lua_env_get();
-
-	if(lua_gettop(L)<2)
+	num_param = lua_gettop(L);
+	if(num_param<2 && num_param>3)
 	{
-		LM_ERR("to few parameters [%d]\n",lua_gettop(L));
+		LM_ERR("wrong number of parameters [%d]\n", num_param);
 		return 0;
 	}
 
-	if(!lua_isnumber(L, -1))
+	if(num_param==3)
+	{
+		if(!lua_isnumber(L, param))
+		{
+			LM_ERR("invalid int parameter\n");
+			return 0;
+		}
+		simple_flag = lua_tointeger(L, param);
+		param = param - 1;
+	}
+
+	if(!lua_isnumber(L, param))
 	{
 		LM_ERR("invalid int parameter\n");
 		return 0;
 	}
-	indx = lua_tointeger(L, -1);
+	indx = lua_tointeger(L, param);
+	param = param - 1;
 
-	xavp_name.s = (char*)lua_tostring(L, -2);
+	xavp_name.s = (char*)lua_tostring(L, param);
 	if(xavp_name.s==NULL || env_L->msg==NULL)
 		return 0;
 	xavp_name.len = strlen(xavp_name.s);
@@ -1273,7 +1339,15 @@ static int lua_sr_xavp_get(lua_State *L)
 		lua_pushnil(L);
 		return 1;
 	}
-	lua_sr_push_xavp_table(L, avp);
+
+	if (simple_flag != 0)
+	{
+		lua_sr_push_xavp_table_simple(L, avp);
+	}
+	else
+	{
+		lua_sr_push_xavp_table(L, avp);
+	}
 	return 1;
 }