/Users/deen/code/yugabyte-db/src/yb/master/master_options.h
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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 | | // The following only applies to changes made to this file as part of YugaByte development. |
19 | | // |
20 | | // Portions Copyright (c) YugaByte, Inc. |
21 | | // |
22 | | // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
23 | | // in compliance with the License. You may obtain a copy of the License at |
24 | | // |
25 | | // http://www.apache.org/licenses/LICENSE-2.0 |
26 | | // |
27 | | // Unless required by applicable law or agreed to in writing, software distributed under the License |
28 | | // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
29 | | // or implied. See the License for the specific language governing permissions and limitations |
30 | | // under the License. |
31 | | // |
32 | | #ifndef YB_MASTER_MASTER_OPTIONS_H |
33 | | #define YB_MASTER_MASTER_OPTIONS_H |
34 | | |
35 | | #include <vector> |
36 | | |
37 | | #include "yb/server/server_base_options.h" |
38 | | #include "yb/util/atomic.h" |
39 | | |
40 | | namespace yb { |
41 | | namespace master { |
42 | | |
43 | | // Options for constructing the master. |
44 | | // These are filled in by gflags by default -- see the .cc file for |
45 | | // the list of options and corresponding flags. |
46 | | class MasterOptions : public server::ServerBaseOptions { |
47 | | public: |
48 | | static Result<MasterOptions> CreateMasterOptions(); |
49 | | |
50 | | explicit MasterOptions(server::MasterAddressesPtr master_addresses); |
51 | | |
52 | | // Need copy constructor as AtomicBool doesnt allow default copy. |
53 | | MasterOptions(const MasterOptions& other) |
54 | 8.07k | : server::ServerBaseOptions(other), is_shell_mode_(other.IsShellMode()) {} |
55 | | |
56 | | MasterOptions(MasterOptions&& other) |
57 | 6.93k | : server::ServerBaseOptions(other), is_shell_mode_(other.IsShellMode()) {} |
58 | | |
59 | | // Checks if the master_addresses flags has any peer masters provided. |
60 | | // Used to detect 'shell' master startup. |
61 | 8.00k | bool AreMasterAddressesProvided() const { |
62 | 8.00k | return GetMasterAddresses().get()->size() >= 1; |
63 | 8.00k | } |
64 | | |
65 | 72.3M | bool IsShellMode() const { return is_shell_mode_.Load(); } |
66 | 152 | void SetShellMode(bool mode) { is_shell_mode_.Store(mode); } |
67 | | |
68 | | static const char* kServerType; |
69 | | |
70 | | private: |
71 | | // Set during startup of a new master which is not part of any cluster yet - master_addresses is |
72 | | // not set and there is no local instance file. |
73 | | AtomicBool is_shell_mode_{false}; |
74 | | }; |
75 | | |
76 | | } // namespace master |
77 | | } // namespace yb |
78 | | #endif /* YB_MASTER_MASTER_OPTIONS_H */ |