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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_MDENTRYUNLINK_H | |
17 | #define CEPH_MDENTRYUNLINK_H | |
18 | ||
11fdf7f2 TL |
19 | #include <string_view> |
20 | ||
f67539c2 | 21 | #include "messages/MMDSOp.h" |
11fdf7f2 | 22 | |
f67539c2 | 23 | class MDentryUnlink final : public MMDSOp { |
11fdf7f2 | 24 | private: |
39ae355f | 25 | static constexpr int HEAD_VERSION = 2; |
f67539c2 | 26 | static constexpr int COMPAT_VERSION = 1; |
39ae355f | 27 | |
7c673cae | 28 | dirfrag_t dirfrag; |
f67539c2 | 29 | std::string dn; |
39ae355f | 30 | bool unlinking = false; |
7c673cae FG |
31 | |
32 | public: | |
11fdf7f2 | 33 | dirfrag_t get_dirfrag() const { return dirfrag; } |
f67539c2 | 34 | const std::string& get_dn() const { return dn; } |
39ae355f | 35 | bool is_unlinking() const { return unlinking; } |
7c673cae | 36 | |
f67539c2 TL |
37 | ceph::buffer::list straybl; |
38 | ceph::buffer::list snapbl; | |
7c673cae | 39 | |
11fdf7f2 | 40 | protected: |
7c673cae | 41 | MDentryUnlink() : |
f67539c2 | 42 | MMDSOp(MSG_MDS_DENTRYUNLINK, HEAD_VERSION, COMPAT_VERSION) { } |
39ae355f | 43 | MDentryUnlink(dirfrag_t df, std::string_view n, bool u=false) : |
f67539c2 | 44 | MMDSOp(MSG_MDS_DENTRYUNLINK, HEAD_VERSION, COMPAT_VERSION), |
39ae355f | 45 | dirfrag(df), dn(n), unlinking(u) {} |
f67539c2 | 46 | ~MDentryUnlink() final {} |
7c673cae FG |
47 | |
48 | public: | |
11fdf7f2 | 49 | std::string_view get_type_name() const override { return "dentry_unlink";} |
f67539c2 | 50 | void print(std::ostream& o) const override { |
7c673cae FG |
51 | o << "dentry_unlink(" << dirfrag << " " << dn << ")"; |
52 | } | |
39ae355f | 53 | |
7c673cae | 54 | void decode_payload() override { |
f67539c2 | 55 | using ceph::decode; |
11fdf7f2 TL |
56 | auto p = payload.cbegin(); |
57 | decode(dirfrag, p); | |
58 | decode(dn, p); | |
59 | decode(straybl, p); | |
39ae355f TL |
60 | if (header.version >= 2) |
61 | decode(unlinking, p); | |
7c673cae FG |
62 | } |
63 | void encode_payload(uint64_t features) override { | |
11fdf7f2 TL |
64 | using ceph::encode; |
65 | encode(dirfrag, payload); | |
66 | encode(dn, payload); | |
67 | encode(straybl, payload); | |
39ae355f TL |
68 | encode(unlinking, payload); |
69 | } | |
70 | private: | |
71 | template<class T, typename... Args> | |
72 | friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args); | |
73 | template<class T, typename... Args> | |
74 | friend MURef<T> crimson::make_message(Args&&... args); | |
75 | }; | |
76 | ||
77 | class MDentryUnlinkAck final : public MMDSOp { | |
78 | private: | |
79 | static constexpr int HEAD_VERSION = 1; | |
80 | static constexpr int COMPAT_VERSION = 1; | |
81 | ||
82 | dirfrag_t dirfrag; | |
83 | std::string dn; | |
84 | ||
85 | public: | |
86 | dirfrag_t get_dirfrag() const { return dirfrag; } | |
87 | const std::string& get_dn() const { return dn; } | |
88 | ||
89 | protected: | |
90 | MDentryUnlinkAck() : | |
91 | MMDSOp(MSG_MDS_DENTRYUNLINK_ACK, HEAD_VERSION, COMPAT_VERSION) { } | |
92 | MDentryUnlinkAck(dirfrag_t df, std::string_view n) : | |
93 | MMDSOp(MSG_MDS_DENTRYUNLINK_ACK, HEAD_VERSION, COMPAT_VERSION), | |
94 | dirfrag(df), dn(n) {} | |
95 | ~MDentryUnlinkAck() final {} | |
96 | ||
97 | public: | |
98 | std::string_view get_type_name() const override { return "dentry_unlink_ack";} | |
99 | void print(std::ostream& o) const override { | |
100 | o << "dentry_unlink_ack(" << dirfrag << " " << dn << ")"; | |
101 | } | |
102 | ||
103 | void decode_payload() override { | |
104 | using ceph::decode; | |
105 | auto p = payload.cbegin(); | |
106 | decode(dirfrag, p); | |
107 | decode(dn, p); | |
108 | } | |
109 | void encode_payload(uint64_t features) override { | |
110 | using ceph::encode; | |
111 | encode(dirfrag, payload); | |
112 | encode(dn, payload); | |
7c673cae | 113 | } |
9f95a23c TL |
114 | private: |
115 | template<class T, typename... Args> | |
116 | friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args); | |
20effc67 TL |
117 | template<class T, typename... Args> |
118 | friend MURef<T> crimson::make_message(Args&&... args); | |
7c673cae FG |
119 | }; |
120 | ||
121 | #endif |