/Users/deen/code/yugabyte-db/src/yb/rpc/rpc_call.h
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1 | | // Copyright (c) YugaByte, Inc. |
2 | | // |
3 | | // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
4 | | // in compliance with the License. You may obtain a copy of the License at |
5 | | // |
6 | | // http://www.apache.org/licenses/LICENSE-2.0 |
7 | | // |
8 | | // Unless required by applicable law or agreed to in writing, software distributed under the License |
9 | | // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
10 | | // or implied. See the License for the specific language governing permissions and limitations |
11 | | // under the License. |
12 | | // |
13 | | |
14 | | #ifndef YB_RPC_RPC_CALL_H |
15 | | #define YB_RPC_RPC_CALL_H |
16 | | |
17 | | #include <stdint.h> |
18 | | |
19 | | #include <type_traits> |
20 | | |
21 | | #include "yb/gutil/ref_counted.h" |
22 | | |
23 | | #include "yb/rpc/rpc_fwd.h" |
24 | | #include "yb/rpc/outbound_data.h" |
25 | | |
26 | | #include "yb/util/enums.h" |
27 | | #include "yb/util/math_util.h" |
28 | | |
29 | | namespace yb { |
30 | | |
31 | | class Status; |
32 | | |
33 | | namespace rpc { |
34 | | |
35 | | YB_DEFINE_ENUM(TransferState, (PENDING)(FINISHED)(ABORTED)); |
36 | | |
37 | | class RpcCall : public OutboundData { |
38 | | public: |
39 | | // This functions is invoked in reactor thread of the appropriate connection, except during |
40 | | // reactor shutdown. In case of shutdown all such final calls are sequential. Therefore, this |
41 | | // function doesn't require synchronization. |
42 | | void Transferred(const Status& status, Connection* conn) override; |
43 | | |
44 | 0 | virtual std::string LogPrefix() const { |
45 | 0 | return ""; |
46 | 0 | } |
47 | | |
48 | | private: |
49 | | virtual void NotifyTransferred(const Status& status, Connection* conn) = 0; |
50 | | |
51 | | TransferState state_ = TransferState::PENDING; |
52 | | }; |
53 | | |
54 | | } // namespace rpc |
55 | | } // namespace yb |
56 | | |
57 | | #endif // YB_RPC_RPC_CALL_H |