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7c673cae FG |
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 | #ifndef CEPH_MPOOLOP_H | |
16 | #define CEPH_MPOOLOP_H | |
17 | ||
18 | #include "messages/PaxosServiceMessage.h" | |
19 | ||
20 | ||
f67539c2 | 21 | class MPoolOp final : public PaxosServiceMessage { |
11fdf7f2 TL |
22 | private: |
23 | static constexpr int HEAD_VERSION = 4; | |
24 | static constexpr int COMPAT_VERSION = 2; | |
7c673cae FG |
25 | |
26 | public: | |
27 | uuid_d fsid; | |
d2e6a577 | 28 | __u32 pool = 0; |
9f95a23c | 29 | std::string name; |
d2e6a577 | 30 | __u32 op = 0; |
7c673cae | 31 | snapid_t snapid; |
d2e6a577 | 32 | __s16 crush_rule = 0; |
7c673cae FG |
33 | |
34 | MPoolOp() | |
9f95a23c TL |
35 | : PaxosServiceMessage{CEPH_MSG_POOLOP, 0, HEAD_VERSION, COMPAT_VERSION} {} |
36 | MPoolOp(const uuid_d& f, ceph_tid_t t, int p, std::string& n, int o, version_t v) | |
37 | : PaxosServiceMessage{CEPH_MSG_POOLOP, v, HEAD_VERSION, COMPAT_VERSION}, | |
7c673cae | 38 | fsid(f), pool(p), name(n), op(o), |
11fdf7f2 | 39 | snapid(0), crush_rule(0) { |
7c673cae FG |
40 | set_tid(t); |
41 | } | |
42 | ||
43 | private: | |
f67539c2 | 44 | ~MPoolOp() final {} |
7c673cae FG |
45 | |
46 | public: | |
11fdf7f2 | 47 | std::string_view get_type_name() const override { return "poolop"; } |
9f95a23c | 48 | void print(std::ostream& out) const override { |
7c673cae | 49 | out << "pool_op(" << ceph_pool_op_name(op) << " pool " << pool |
7c673cae FG |
50 | << " tid " << get_tid() |
51 | << " name " << name | |
52 | << " v" << version << ")"; | |
53 | } | |
54 | ||
55 | void encode_payload(uint64_t features) override { | |
11fdf7f2 | 56 | using ceph::encode; |
7c673cae | 57 | paxos_encode(); |
11fdf7f2 TL |
58 | encode(fsid, payload); |
59 | encode(pool, payload); | |
60 | encode(op, payload); | |
61 | encode((uint64_t)0, payload); | |
62 | encode(snapid, payload); | |
63 | encode(name, payload); | |
7c673cae | 64 | __u8 pad = 0; |
11fdf7f2 TL |
65 | encode(pad, payload); /* for v3->v4 encoding change */ |
66 | encode(crush_rule, payload); | |
7c673cae FG |
67 | } |
68 | void decode_payload() override { | |
9f95a23c | 69 | using ceph::decode; |
11fdf7f2 | 70 | auto p = payload.cbegin(); |
7c673cae | 71 | paxos_decode(p); |
11fdf7f2 TL |
72 | decode(fsid, p); |
73 | decode(pool, p); | |
7c673cae | 74 | if (header.version < 2) |
11fdf7f2 TL |
75 | decode(name, p); |
76 | decode(op, p); | |
77 | uint64_t old_auid; | |
78 | decode(old_auid, p); | |
79 | decode(snapid, p); | |
7c673cae | 80 | if (header.version >= 2) |
11fdf7f2 | 81 | decode(name, p); |
7c673cae FG |
82 | |
83 | if (header.version >= 3) { | |
84 | __u8 pad; | |
11fdf7f2 | 85 | decode(pad, p); |
7c673cae | 86 | if (header.version >= 4) |
11fdf7f2 | 87 | decode(crush_rule, p); |
7c673cae FG |
88 | else |
89 | crush_rule = pad; | |
90 | } else | |
91 | crush_rule = -1; | |
92 | } | |
9f95a23c TL |
93 | private: |
94 | template<class T, typename... Args> | |
95 | friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args); | |
7c673cae FG |
96 | }; |
97 | ||
98 | #endif |