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 | |
32 | namespace brpc { |
33 | |
34 | // Base of all brpc channels. |
35 | class ChannelBase : public google::protobuf::RpcChannel/*non-copyable*/, |
36 | public Describable { |
37 | public: |
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 | |