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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_MEXPORTCAPS_H | |
17 | #define CEPH_MEXPORTCAPS_H | |
18 | ||
f67539c2 | 19 | #include "messages/MMDSOp.h" |
7c673cae | 20 | |
f67539c2 | 21 | class MExportCaps final : public MMDSOp { |
11fdf7f2 TL |
22 | private: |
23 | static constexpr int HEAD_VERSION = 2; | |
24 | static constexpr int COMPAT_VERSION = 1; | |
9f95a23c TL |
25 | |
26 | public: | |
7c673cae | 27 | inodeno_t ino; |
f67539c2 TL |
28 | ceph::buffer::list cap_bl; |
29 | std::map<client_t,entity_inst_t> client_map; | |
30 | std::map<client_t,client_metadata_t> client_metadata_map; | |
7c673cae | 31 | |
11fdf7f2 | 32 | protected: |
7c673cae | 33 | MExportCaps() : |
f67539c2 TL |
34 | MMDSOp{MSG_MDS_EXPORTCAPS, HEAD_VERSION, COMPAT_VERSION} {} |
35 | ~MExportCaps() final {} | |
7c673cae FG |
36 | |
37 | public: | |
11fdf7f2 | 38 | std::string_view get_type_name() const override { return "export_caps"; } |
f67539c2 | 39 | void print(std::ostream& o) const override { |
7c673cae FG |
40 | o << "export_caps(" << ino << ")"; |
41 | } | |
42 | ||
43 | void encode_payload(uint64_t features) override { | |
11fdf7f2 TL |
44 | using ceph::encode; |
45 | encode(ino, payload); | |
46 | encode(cap_bl, payload); | |
47 | encode(client_map, payload, features); | |
48 | encode(client_metadata_map, payload); | |
7c673cae FG |
49 | } |
50 | void decode_payload() override { | |
f67539c2 | 51 | using ceph::decode; |
11fdf7f2 TL |
52 | auto p = payload.cbegin(); |
53 | decode(ino, p); | |
54 | decode(cap_bl, p); | |
55 | decode(client_map, p); | |
56 | if (header.version >= 2) | |
57 | decode(client_metadata_map, p); | |
7c673cae | 58 | } |
9f95a23c TL |
59 | private: |
60 | template<class T, typename... Args> | |
61 | friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args); | |
20effc67 TL |
62 | template<class T, typename... Args> |
63 | friend MURef<T> crimson::make_message(Args&&... args); | |
7c673cae FG |
64 | }; |
65 | ||
66 | #endif |