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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) 2011 New Dream Network | |
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 | ||
15 | #ifndef CEPH_MMONGETVERSION_H | |
16 | #define CEPH_MMONGETVERSION_H | |
17 | ||
18 | #include "msg/Message.h" | |
19 | ||
20 | #include "include/types.h" | |
21 | ||
22 | /* | |
23 | * This message is sent to the monitors to verify that the client's | |
24 | * version of the map(s) is the latest available. For example, this | |
25 | * can be used to determine whether a pool actually does not exist, or | |
26 | * if it may have been created but the map was not received yet. | |
27 | */ | |
28 | class MMonGetVersion : public Message { | |
29 | public: | |
30 | MMonGetVersion() : Message(CEPH_MSG_MON_GET_VERSION) {} | |
31 | ||
32 | const char *get_type_name() const override { | |
33 | return "mon_get_version"; | |
34 | } | |
35 | ||
36 | void print(ostream& o) const override { | |
37 | o << "mon_get_version(what=" << what << " handle=" << handle << ")"; | |
38 | } | |
39 | ||
40 | void encode_payload(uint64_t features) override { | |
41 | ::encode(handle, payload); | |
42 | ::encode(what, payload); | |
43 | } | |
44 | ||
45 | void decode_payload() override { | |
46 | bufferlist::iterator p = payload.begin(); | |
47 | ::decode(handle, p); | |
48 | ::decode(what, p); | |
49 | } | |
50 | ||
d2e6a577 | 51 | ceph_tid_t handle = 0; |
7c673cae FG |
52 | string what; |
53 | ||
54 | private: | |
55 | ~MMonGetVersion() override {} | |
56 | }; | |
57 | ||
58 | #endif |