MINOR: hlua_fcn: add Server.get_pend_conn() and Server.get_cur_sess()

Server.get_pend_conn: number of pending connections to the server
Server.get_cur_sess: number of current sessions handled by the server

Lua documentation was updated accordingly.
diff --git a/doc/lua-api/index.rst b/doc/lua-api/index.rst
index fd3d47c..42c7fa6 100644
--- a/doc/lua-api/index.rst
+++ b/doc/lua-api/index.rst
@@ -1174,6 +1174,22 @@
    server.
   :returns: a boolean
 
+.. js:function:: Server.get_cur_sess(sv)
+
+  Return the number of currently active sessions on the server
+
+  :param class_server sv: A :ref:`server_class` which indicates the manipulated
+   server.
+  :returns: an integer
+
+.. js:function:: Server.get_pend_conn(sv)
+
+  Return the number of pending connections to the server
+
+  :param class_server sv: A :ref:`server_class` which indicates the manipulated
+   server.
+  :returns: an integer
+
 .. js:function:: Server.set_maxconn(sv, weight)
 
   Dynamically change the maximum connections of the server. See the management
diff --git a/src/hlua_fcn.c b/src/hlua_fcn.c
index 7150b0c..3540cbd 100644
--- a/src/hlua_fcn.c
+++ b/src/hlua_fcn.c
@@ -1119,6 +1119,34 @@
 	return 1;
 }
 
+int hlua_server_get_cur_sess(lua_State *L)
+{
+	struct server *srv;
+
+	srv = hlua_check_server(L, 1);
+	if (srv == NULL) {
+		lua_pushnil(L);
+		return 1;
+	}
+
+	lua_pushinteger(L, srv->cur_sess);
+	return 1;
+}
+
+int hlua_server_get_pend_conn(lua_State *L)
+{
+	struct server *srv;
+
+	srv = hlua_check_server(L, 1);
+	if (srv == NULL) {
+		lua_pushnil(L);
+		return 1;
+	}
+
+	lua_pushinteger(L, srv->queue.length);
+	return 1;
+}
+
 int hlua_server_set_maxconn(lua_State *L)
 {
 	struct server *srv;
@@ -1515,6 +1543,8 @@
 	hlua_class_function(L, "is_draining", hlua_server_is_draining);
 	hlua_class_function(L, "is_backup", hlua_server_is_backup);
 	hlua_class_function(L, "is_dynamic", hlua_server_is_dynamic);
+	hlua_class_function(L, "get_cur_sess", hlua_server_get_cur_sess);
+	hlua_class_function(L, "get_pend_conn", hlua_server_get_pend_conn);
 	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);