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_CHANNEL_BASE_H
20#define BRPC_CHANNEL_BASE_H
21
22#include <stdlib.h>
23#include <ostream>
24#include "butil/logging.h"
25#include <google/protobuf/service.h> // google::protobuf::RpcChannel
26#include "brpc/describable.h"
27
28// To brpc developers: This is a header included by user, don't depend
29// on internal structures, use opaque pointers instead.
30
31
32namespace brpc {
33
34// Base of all brpc channels.
35class ChannelBase : public google::protobuf::RpcChannel/*non-copyable*/,
36 public Describable {
37public:
38 virtual int Weight() {
39 CHECK(false) << "Not implemented";
40 abort();
41 };
42
43 virtual int CheckHealth() = 0;
44};
45
46} // namespace brpc
47
48
49#endif // BRPC_CHANNEL_BASE_H
50