1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2010 Greg Farnum <gregf@hq.newdream.net>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*/
#ifndef JOURNAL_RESETTER_H_
#define JOURNAL_RESETTER_H_
#include "osd/OSDMap.h"
#include "osdc/Objecter.h"
#include "osdc/Journaler.h"
#include "msg/Dispatcher.h"
#include "msg/Messenger.h"
#include "auth/Auth.h"
/**
* This class lets you dump out an mds journal for troubleshooting or whatever.
*
* It was built to work with cmds so some of the design choices are random.
* To use, create a Resetter, call init(), and then call dump() with the name
* of the file to dump to.
*/
class Resetter : public Dispatcher {
public:
Objecter *objecter;
Journaler *journaler;
OSDMap *osdmap;
Messenger *messenger;
MonClient *monc;
Mutex lock;
SafeTimer timer;
/*
* The messenger should be a valid Messenger. You should call bind()
* before passing it in, but not do anything else.
* The MonClient needs to be valid, and you should have called
* build_initial_monmap().
*/
Resetter(Messenger *messenger_, MonClient *monc_) :
Dispatcher(messenger_->cct),
messenger(messenger_),
monc(monc_),
lock("Resetter::lock"),
timer(g_ceph_context, lock)
{}
virtual ~Resetter();
bool ms_dispatch(Message *m);
bool ms_handle_reset(Connection *con) { return false; }
void ms_handle_remote_reset(Connection *con) {}
bool ms_get_authorizer(int dest_type, AuthAuthorizer **authorizer,
bool force_new);
void init(int rank);
void shutdown();
void reset();
};
#endif /* JOURNAL_RESETTER_H_ */
|
