MINOR: lua: add get_maxconn and set_maxconn to LUA Server class.

doc/lua-api/index.rst

@@ -938,6 +938,23 @@ Server class
     server.
   :returns: a boolean
 
+.. js:function:: Server.set_maxconn(sv, weight)
+
+  Dynamically change the maximum connections of the server. See the management
+  socket documentation for more information about the format of the string.
+
+  :param class_server sv: A :ref:`server_class` which indicates the manipulated
+    server.
+  :param string maxconn: A string describing the server maximum connections.
+
+.. js:function:: Server.get_maxconn(sv, weight)
+
+  This function returns an integer representing the server maximum connections.
+
+  :param class_server sv: A :ref:`server_class` which indicates the manipulated
+    server.
+  :returns: an integer.
+
 .. js:function:: Server.set_weight(sv, weight)
 
   Dynamically change the weight of the server. See the management socket

src/hlua_fcn.c

@@ -592,6 +592,34 @@ int hlua_server_is_draining(lua_State *L)
 	return 1;
 }
 
+int hlua_server_set_maxconn(lua_State *L)
+{
+	struct server *srv;
+	const char *maxconn;
+	const char *err;
+
+	srv = hlua_check_server(L, 1);
+	maxconn = luaL_checkstring(L, 2);
+
+	HA_SPIN_LOCK(SERVER_LOCK, &srv->lock);
+	err = server_parse_maxconn_change_request(srv, maxconn);
+	HA_SPIN_UNLOCK(SERVER_LOCK, &srv->lock);
+	if (!err)
+		lua_pushnil(L);
+	else
+		hlua_pushstrippedstring(L, err);
+	return 1;
+}
+
+int hlua_server_get_maxconn(lua_State *L)
+{
+	struct server *srv;
+
+	srv = hlua_check_server(L, 1);
+	lua_pushinteger(L, srv->maxconn);
+	return 1;
+}
+
 int hlua_server_set_weight(lua_State *L)
 {
 	struct server *srv;
@@ -1274,6 +1302,8 @@ int hlua_fcn_reg_core_fcn(lua_State *L)
 	lua_pushstring(L, "__index");
 	lua_newtable(L);
 	hlua_class_function(L, "is_draining", hlua_server_is_draining);
+	hlua_class_function(L, "set_maxconn", hlua_server_set_maxconn);
+	hlua_class_function(L, "get_maxconn", hlua_server_get_maxconn);
 	hlua_class_function(L, "set_weight", hlua_server_set_weight);
 	hlua_class_function(L, "get_weight", hlua_server_get_weight);
 	hlua_class_function(L, "set_addr", hlua_server_set_addr);