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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
// -*- 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) 2004-2006 Sage Weil <sage@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 __MDISCOVER_H
#define __MDISCOVER_H
#include "msg/Message.h"
#include "include/filepath.h"
#include <vector>
#include <string>
using namespace std;
class MDiscover : public Message {
inodeno_t base_ino; // 1 -> root
frag_t base_dir_frag;
snapid_t snapid;
filepath want; // ... [/]need/this/stuff
inodeno_t want_ino;
bool want_base_dir;
bool want_xlocked;
public:
inodeno_t get_base_ino() { return base_ino; }
frag_t get_base_dir_frag() { return base_dir_frag; }
snapid_t get_snapid() { return snapid; }
filepath& get_want() { return want; }
inodeno_t get_want_ino() { return want_ino; }
const string& get_dentry(int n) { return want[n]; }
bool wants_base_dir() { return want_base_dir; }
bool wants_xlocked() { return want_xlocked; }
void set_base_dir_frag(frag_t f) { base_dir_frag = f; }
MDiscover() { }
MDiscover(inodeno_t base_ino_,
snapid_t s,
filepath& want_,
bool want_base_dir_ = true,
bool discover_xlocks_ = false) :
Message(MSG_MDS_DISCOVER),
base_ino(base_ino_),
snapid(s),
want(want_),
want_ino(0),
want_base_dir(want_base_dir_),
want_xlocked(discover_xlocks_) { }
MDiscover(dirfrag_t base_dirfrag,
snapid_t s,
inodeno_t want_ino_,
bool want_base_dir_ = true) :
Message(MSG_MDS_DISCOVER),
base_ino(base_dirfrag.ino),
base_dir_frag(base_dirfrag.frag),
snapid(s),
want_ino(want_ino_),
want_base_dir(want_base_dir_),
want_xlocked(false) { }
private:
~MDiscover() {}
public:
const char *get_type_name() { return "Dis"; }
void print(ostream &out) {
out << "discover(" << base_ino << "." << base_dir_frag
<< " " << want;
if (want_ino) out << want_ino;
out << ")";
}
void decode_payload() {
bufferlist::iterator p = payload.begin();
::decode(base_ino, p);
::decode(base_dir_frag, p);
::decode(snapid, p);
::decode(want, p);
::decode(want_ino, p);
::decode(want_base_dir, p);
::decode(want_xlocked, p);
}
void encode_payload() {
::encode(base_ino, payload);
::encode(base_dir_frag, payload);
::encode(snapid, payload);
::encode(want, payload);
::encode(want_ino, payload);
::encode(want_base_dir, payload);
::encode(want_xlocked, payload);
}
};
#endif
|
