/Users/deen/code/yugabyte-db/src/yb/consensus/consensus_util.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_CONSENSUS_CONSENSUS_UTIL_H |
15 | | #define YB_CONSENSUS_CONSENSUS_UTIL_H |
16 | | |
17 | | #include <float.h> |
18 | | |
19 | | #include <chrono> |
20 | | #include <sstream> |
21 | | #include <string> |
22 | | #include <type_traits> |
23 | | |
24 | | #include <boost/mpl/and.hpp> |
25 | | |
26 | | #include "yb/util/enums.h" |
27 | | #include "yb/util/format.h" |
28 | | #include "yb/util/math_util.h" |
29 | | #include "yb/util/tostring.h" |
30 | | #include "yb/util/type_traits.h" |
31 | | |
32 | | namespace yb { |
33 | | namespace consensus { |
34 | | |
35 | | // Specifies whether to send empty consensus requests from the leader to followers in case the queue |
36 | | // is empty. |
37 | | YB_DEFINE_ENUM( |
38 | | RequestTriggerMode, |
39 | | |
40 | | // Only send a request if it is not empty. |
41 | | (kNonEmptyOnly) |
42 | | |
43 | | // Send a request even if the queue is empty, and therefore (in most cases) the request is |
44 | | // empty. This is used during heartbeats from leader to peers. |
45 | | (kAlwaysSend)); |
46 | | |
47 | 3.63M | inline std::string MakeTabletLogPrefix(const std::string& tablet_id, const std::string& peer_id) { |
48 | 3.63M | return Format("T $0 P $1: ", tablet_id, peer_id); |
49 | 3.63M | } |
50 | | |
51 | | } // namespace consensus |
52 | | } // namespace yb |
53 | | |
54 | | #endif // YB_CONSENSUS_CONSENSUS_UTIL_H |