1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements. See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership. The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License. You may obtain a copy of the License at
8//
9// http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied. See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18
19#ifndef BRPC_NAMING_SERVICE_FILTER_H
20#define BRPC_NAMING_SERVICE_FILTER_H
21
22#include "brpc/naming_service.h" // ServerNode
23
24
25namespace brpc {
26
27class NamingServiceFilter {
28public:
29 virtual ~NamingServiceFilter() {}
30
31 // Return true to take this `server' as a candidate to issue RPC
32 // Return false to filter it out
33 virtual bool Accept(const ServerNode& server) const = 0;
34};
35
36} // namespace brpc
37
38
39
40#endif // BRPC_NAMING_SERVICE_FILTER_H
41