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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- | |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2014 John Spray <john.spray@inktank.com> | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | */ | |
13 | ||
14 | #ifndef CEPH_MGR_H_ | |
15 | #define CEPH_MGR_H_ | |
16 | ||
17 | // Python.h comes first because otherwise it clobbers ceph's assert | |
18 | #include "Python.h" | |
19 | // Python's pyconfig-64.h conflicts with ceph's acconfig.h | |
20 | #undef HAVE_SYS_WAIT_H | |
21 | #undef HAVE_UNISTD_H | |
22 | #undef HAVE_UTIME_H | |
23 | #undef _POSIX_C_SOURCE | |
24 | #undef _XOPEN_SOURCE | |
25 | ||
26 | #include "mds/FSMap.h" | |
27 | #include "messages/MFSMap.h" | |
28 | #include "msg/Messenger.h" | |
29 | #include "auth/Auth.h" | |
30 | #include "common/Finisher.h" | |
31 | #include "common/Timer.h" | |
32 | #include "mon/MgrMap.h" | |
33 | ||
34 | #include "DaemonServer.h" | |
35 | #include "PyModuleRegistry.h" | |
36 | ||
37 | #include "DaemonState.h" | |
38 | #include "ClusterState.h" | |
39 | ||
40 | class MCommand; | |
41 | class MMgrDigest; | |
42 | class MLog; | |
43 | class MServiceMap; | |
44 | class Objecter; | |
45 | class Client; | |
46 | ||
47 | class Mgr { | |
48 | protected: | |
49 | MonClient *monc; | |
50 | Objecter *objecter; | |
51 | Client *client; | |
52 | Messenger *client_messenger; | |
53 | ||
54 | mutable Mutex lock; | |
55 | SafeTimer timer; | |
56 | Finisher finisher; | |
57 | ||
58 | // Track receipt of initial data during startup | |
59 | Cond fs_map_cond; | |
60 | bool digest_received; | |
61 | Cond digest_cond; | |
62 | ||
63 | PyModuleRegistry *py_module_registry; | |
64 | DaemonStateIndex daemon_state; | |
65 | ClusterState cluster_state; | |
66 | ||
67 | DaemonServer server; | |
68 | ||
69 | LogChannelRef clog; | |
70 | LogChannelRef audit_clog; | |
71 | ||
72 | PyModuleConfig load_config(); | |
73 | void load_all_metadata(); | |
74 | void init(); | |
75 | ||
76 | bool initialized; | |
77 | bool initializing; | |
78 | ||
79 | public: | |
80 | Mgr(MonClient *monc_, const MgrMap& mgrmap, | |
81 | PyModuleRegistry *py_module_registry_, | |
82 | Messenger *clientm_, Objecter *objecter_, | |
83 | Client *client_, LogChannelRef clog_, LogChannelRef audit_clog_); | |
84 | ~Mgr(); | |
85 | ||
86 | bool is_initialized() const {return initialized;} | |
87 | entity_addr_t get_server_addr() const { return server.get_myaddr(); } | |
88 | ||
89 | void handle_mgr_digest(MMgrDigest* m); | |
90 | void handle_fs_map(MFSMap* m); | |
91 | void handle_osd_map(); | |
92 | void handle_log(MLog *m); | |
93 | void handle_service_map(MServiceMap *m); | |
94 | ||
95 | bool got_mgr_map(const MgrMap& m); | |
96 | ||
97 | bool ms_dispatch(Message *m); | |
98 | ||
99 | void tick(); | |
100 | ||
101 | void background_init(Context *completion); | |
102 | void shutdown(); | |
103 | ||
104 | std::vector<MonCommand> get_command_set() const; | |
105 | std::map<std::string, std::string> get_services() const; | |
106 | }; | |
107 | ||
108 | /** | |
109 | * Context for completion of metadata mon commands: take | |
110 | * the result and stash it in DaemonStateIndex | |
111 | */ | |
112 | class MetadataUpdate : public Context | |
113 | { | |
114 | ||
115 | private: | |
116 | DaemonStateIndex &daemon_state; | |
117 | DaemonKey key; | |
118 | ||
119 | std::map<std::string, std::string> defaults; | |
120 | ||
121 | public: | |
122 | bufferlist outbl; | |
123 | std::string outs; | |
124 | ||
125 | MetadataUpdate(DaemonStateIndex &daemon_state_, const DaemonKey &key_) | |
126 | : daemon_state(daemon_state_), key(key_) {} | |
127 | ||
128 | void set_default(const std::string &k, const std::string &v) | |
129 | { | |
130 | defaults[k] = v; | |
131 | } | |
132 | ||
133 | void finish(int r) override; | |
134 | }; | |
135 | ||
136 | ||
137 | #endif |