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) 2004-2006 Sage Weil <sage@newdream.net>
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
16 #ifndef CEPH_MOSDFAILURE_H
17 #define CEPH_MOSDFAILURE_H
18
19 #include "messages/PaxosServiceMessage.h"
20
21
22 class MOSDFailure : public PaxosServiceMessage {
23 private:
24 static constexpr int HEAD_VERSION = 4;
25 static constexpr int COMPAT_VERSION = 4;
26
27 public:
28 enum {
29 FLAG_ALIVE = 0, // use this on its own to mark as "I'm still alive"
30 FLAG_FAILED = 1, // if set, failure; if not, recovery
31 FLAG_IMMEDIATE = 2, // known failure, not a timeout
32 };
33
34 uuid_d fsid;
|
(1) Event member_decl: |
Class member declaration for "target_osd". |
| Also see events: |
[uninit_member] |
35 int32_t target_osd;
36 entity_addrvec_t target_addrs;
37 __u8 flags = 0;
38 epoch_t epoch = 0;
39 int32_t failed_for = 0; // known to be failed since at least this long
40
|
(2) Event uninit_member: |
Non-static class member "target_osd" is not initialized in this constructor nor in any functions that it calls. |
| Also see events: |
[member_decl] |
41 MOSDFailure() : PaxosServiceMessage(MSG_OSD_FAILURE, 0, HEAD_VERSION) { }
42 MOSDFailure(const uuid_d &fs, int osd, const entity_addrvec_t& av,
43 int duration, epoch_t e)
44 : PaxosServiceMessage(MSG_OSD_FAILURE, e, HEAD_VERSION, COMPAT_VERSION),
45 fsid(fs),
46 target_osd(osd),
47 target_addrs(av),
48 flags(FLAG_FAILED),
49 epoch(e), failed_for(duration) { }
50 MOSDFailure(const uuid_d &fs, int osd, const entity_addrvec_t& av,
51 int duration,
52 epoch_t e, __u8 extra_flags)
53 : PaxosServiceMessage(MSG_OSD_FAILURE, e, HEAD_VERSION, COMPAT_VERSION),
54 fsid(fs),
55 target_osd(osd),
56 target_addrs(av),
57 flags(extra_flags),
58 epoch(e), failed_for(duration) { }
59 private:
60 ~MOSDFailure() override {}
61
62 public:
63 int get_target_osd() { return target_osd; }
64 const entity_addrvec_t& get_target_addrs() { return target_addrs; }
65 bool if_osd_failed() const {
66 return flags & FLAG_FAILED;
67 }
68 bool is_immediate() const {
69 return flags & FLAG_IMMEDIATE;
70 }
71 epoch_t get_epoch() const { return epoch; }
72
73 void decode_payload() override {
74 auto p = payload.cbegin();
75 paxos_decode(p);
76 decode(fsid, p);
77 if (header.version < 4) {
78 entity_inst_t i;
79 decode(i, p);
80 target_osd = i.name.num();
81 target_addrs.v.push_back(i.addr);
82 } else {
83 decode(target_osd, p);
84 decode(target_addrs, p);
85 }
86 decode(epoch, p);
87 decode(flags, p);
88 decode(failed_for, p);
89 }
90
91 void encode_payload(uint64_t features) override {
92 using ceph::encode;
93 paxos_encode();
94 if (!HAVE_FEATURE(features, SERVER_NAUTILUS)) {
95 header.version = 3;
96 header.compat_version = 3;
97 encode(fsid, payload);
98 encode(entity_inst_t(entity_name_t::OSD(target_osd),
99 target_addrs.legacy_addr()), payload, features);
100 encode(epoch, payload);
101 encode(flags, payload);
102 encode(failed_for, payload);
103 return;
104 }
105 header.version = HEAD_VERSION;
106 header.compat_version = COMPAT_VERSION;
107 encode(fsid, payload);
108 encode(target_osd, payload, features);
109 encode(target_addrs, payload, features);
110 encode(epoch, payload);
111 encode(flags, payload);
112 encode(failed_for, payload);
113 }
114
115 std::string_view get_type_name() const override { return "osd_failure"; }
116 void print(ostream& out) const override {
117 out << "osd_failure("
118 << (if_osd_failed() ? "failed " : "recovered ")
119 << (is_immediate() ? "immediate " : "timeout ")
120 << "osd." << target_osd << " " << target_addrs
121 << " for " << failed_for << "sec e" << epoch
122 << " v" << version << ")";
123 }
124 private:
125 template<class T, typename... Args>
126 friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
127 };
128
129 #endif
130