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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 | #ifndef CEPH_MEXPORTDIRCANCEL_H | |
16 | #define CEPH_MEXPORTDIRCANCEL_H | |
17 | ||
7c673cae | 18 | #include "include/types.h" |
f67539c2 | 19 | #include "messages/MMDSOp.h" |
7c673cae | 20 | |
f67539c2 | 21 | class MExportDirCancel final : public MMDSOp { |
11fdf7f2 | 22 | private: |
f67539c2 TL |
23 | static constexpr int HEAD_VERSION = 1; |
24 | static constexpr int COMPAT_VERSION = 1; | |
7c673cae FG |
25 | dirfrag_t dirfrag; |
26 | ||
27 | public: | |
11fdf7f2 | 28 | dirfrag_t get_dirfrag() const { return dirfrag; } |
7c673cae | 29 | |
11fdf7f2 | 30 | protected: |
f67539c2 | 31 | MExportDirCancel() : MMDSOp{MSG_MDS_EXPORTDIRCANCEL, HEAD_VERSION, COMPAT_VERSION} {} |
7c673cae | 32 | MExportDirCancel(dirfrag_t df, uint64_t tid) : |
f67539c2 | 33 | MMDSOp{MSG_MDS_EXPORTDIRCANCEL, HEAD_VERSION, COMPAT_VERSION}, dirfrag(df) { |
7c673cae FG |
34 | set_tid(tid); |
35 | } | |
f67539c2 | 36 | ~MExportDirCancel() final {} |
7c673cae FG |
37 | |
38 | public: | |
11fdf7f2 | 39 | std::string_view get_type_name() const override { return "ExCancel"; } |
f67539c2 | 40 | void print(std::ostream& o) const override { |
7c673cae FG |
41 | o << "export_cancel(" << dirfrag << ")"; |
42 | } | |
43 | ||
44 | void encode_payload(uint64_t features) override { | |
11fdf7f2 TL |
45 | using ceph::encode; |
46 | encode(dirfrag, payload); | |
7c673cae FG |
47 | } |
48 | void decode_payload() override { | |
f67539c2 | 49 | using ceph::decode; |
11fdf7f2 TL |
50 | auto p = payload.cbegin(); |
51 | decode(dirfrag, p); | |
7c673cae | 52 | } |
9f95a23c TL |
53 | private: |
54 | template<class T, typename... Args> | |
55 | friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args); | |
7c673cae FG |
56 | }; |
57 | ||
58 | #endif |