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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
// -*- 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 CEPH_MOSDREPOPREPLY_H
#define CEPH_MOSDREPOPREPLY_H
#include "MOSDFastDispatchOp.h"
#include "MOSDRepOp.h"
/*
* OSD Client Subop reply
*
* oid - object id
* op - OSD_OP_DELETE, etc.
*
*/
class MOSDRepOpReply final : public MOSDFastDispatchOp {
private:
static constexpr int HEAD_VERSION = 2;
static constexpr int COMPAT_VERSION = 1;
public:
epoch_t map_epoch, min_epoch;
// subop metadata
osd_reqid_t reqid;
pg_shard_t from;
spg_t pgid;
// result
__u8 ack_type;
int32_t result;
// piggybacked osd state
eversion_t last_complete_ondisk;
ceph::buffer::list::const_iterator p;
// Decoding flags. Decoding is only needed for messages caught by pipe reader.
bool final_decode_needed;
epoch_t get_map_epoch() const override {
return map_epoch;
}
epoch_t get_min_epoch() const override {
return min_epoch;
}
spg_t get_spg() const override {
return pgid;
}
void decode_payload() override {
using ceph::decode;
p = payload.cbegin();
decode(map_epoch, p);
if (header.version >= 2) {
decode(min_epoch, p);
decode_trace(p);
} else {
min_epoch = map_epoch;
}
decode(reqid, p);
decode(pgid, p);
}
void finish_decode() {
using ceph::decode;
if (!final_decode_needed)
return; // Message is already final decoded
decode(ack_type, p);
decode(result, p);
decode(last_complete_ondisk, p);
decode(from, p);
final_decode_needed = false;
}
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(map_epoch, payload);
if (HAVE_FEATURE(features, SERVER_LUMINOUS)) {
header.version = HEAD_VERSION;
encode(min_epoch, payload);
encode_trace(payload, features);
} else {
header.version = 1;
}
encode(reqid, payload);
encode(pgid, payload);
encode(ack_type, payload);
encode(result, payload);
encode(last_complete_ondisk, payload);
encode(from, payload);
}
spg_t get_pg() { return pgid; }
int get_ack_type() { return ack_type; }
bool is_ondisk() { return ack_type & CEPH_OSD_FLAG_ONDISK; }
bool is_onnvram() { return ack_type & CEPH_OSD_FLAG_ONNVRAM; }
int get_result() { return result; }
void set_last_complete_ondisk(eversion_t v) { last_complete_ondisk = v; }
eversion_t get_last_complete_ondisk() const { return last_complete_ondisk; }
public:
MOSDRepOpReply(
const MOSDRepOp *req, pg_shard_t from, int result_, epoch_t e, epoch_t mine,
int at) :
MOSDFastDispatchOp{MSG_OSD_REPOPREPLY, HEAD_VERSION, COMPAT_VERSION},
map_epoch(e),
min_epoch(mine),
reqid(req->reqid),
from(from),
pgid(req->pgid.pgid, req->from.shard),
ack_type(at),
result(result_),
final_decode_needed(false) {
set_tid(req->get_tid());
}
MOSDRepOpReply()
: MOSDFastDispatchOp{MSG_OSD_REPOPREPLY, HEAD_VERSION, COMPAT_VERSION},
map_epoch(0),
min_epoch(0),
ack_type(0), result(0),
final_decode_needed(true) {}
private:
~MOSDRepOpReply() final {}
public:
std::string_view get_type_name() const override { return "osd_repop_reply"; }
void print(std::ostream& out) const override {
out << "osd_repop_reply(" << reqid
<< " " << pgid << " e" << map_epoch << "/" << min_epoch;
if (!final_decode_needed) {
if (ack_type & CEPH_OSD_FLAG_ONDISK)
out << " ondisk";
if (ack_type & CEPH_OSD_FLAG_ONNVRAM)
out << " onnvram";
if (ack_type & CEPH_OSD_FLAG_ACK)
out << " ack";
out << ", result = " << result;
}
out << ")";
}
private:
template<class T, typename... Args>
friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
};
#endif
|
