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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 | ||
16 | #ifndef CEPH_MEXPORTDIRPREP_H | |
17 | #define CEPH_MEXPORTDIRPREP_H | |
18 | ||
7c673cae | 19 | #include "include/types.h" |
f67539c2 | 20 | #include "messages/MMDSOp.h" |
7c673cae | 21 | |
f67539c2 | 22 | class MExportDirPrep final : public MMDSOp { |
11fdf7f2 | 23 | private: |
f67539c2 TL |
24 | static constexpr int HEAD_VERSION = 1; |
25 | static constexpr int COMPAT_VERSION = 1; | |
9f95a23c | 26 | |
7c673cae | 27 | dirfrag_t dirfrag; |
f67539c2 TL |
28 | public: |
29 | ceph::buffer::list basedir; | |
30 | std::list<dirfrag_t> bounds; | |
31 | std::list<ceph::buffer::list> traces; | |
7c673cae | 32 | private: |
f67539c2 | 33 | std::set<mds_rank_t> bystanders; |
9f95a23c | 34 | bool b_did_assim = false; |
7c673cae FG |
35 | |
36 | public: | |
11fdf7f2 | 37 | dirfrag_t get_dirfrag() const { return dirfrag; } |
f67539c2 TL |
38 | const std::list<dirfrag_t>& get_bounds() const { return bounds; } |
39 | const std::set<mds_rank_t> &get_bystanders() const { return bystanders; } | |
7c673cae | 40 | |
11fdf7f2 | 41 | bool did_assim() const { return b_did_assim; } |
7c673cae FG |
42 | void mark_assim() { b_did_assim = true; } |
43 | ||
11fdf7f2 | 44 | protected: |
9f95a23c | 45 | MExportDirPrep() = default; |
7c673cae | 46 | MExportDirPrep(dirfrag_t df, uint64_t tid) : |
f67539c2 | 47 | MMDSOp{MSG_MDS_EXPORTDIRPREP, HEAD_VERSION, COMPAT_VERSION}, |
9f95a23c TL |
48 | dirfrag(df) |
49 | { | |
7c673cae FG |
50 | set_tid(tid); |
51 | } | |
f67539c2 | 52 | ~MExportDirPrep() final {} |
7c673cae FG |
53 | |
54 | public: | |
11fdf7f2 | 55 | std::string_view get_type_name() const override { return "ExP"; } |
f67539c2 | 56 | void print(std::ostream& o) const override { |
7c673cae FG |
57 | o << "export_prep(" << dirfrag << ")"; |
58 | } | |
59 | ||
60 | void add_bound(dirfrag_t df) { | |
61 | bounds.push_back( df ); | |
62 | } | |
f67539c2 | 63 | void add_trace(ceph::buffer::list& bl) { |
7c673cae FG |
64 | traces.push_back(bl); |
65 | } | |
66 | void add_bystander(mds_rank_t who) { | |
67 | bystanders.insert(who); | |
68 | } | |
69 | ||
70 | void decode_payload() override { | |
11fdf7f2 TL |
71 | using ceph::decode; |
72 | auto p = payload.cbegin(); | |
73 | decode(dirfrag, p); | |
74 | decode(basedir, p); | |
75 | decode(bounds, p); | |
76 | decode(traces, p); | |
77 | decode(bystanders, p); | |
7c673cae FG |
78 | } |
79 | ||
80 | void encode_payload(uint64_t features) override { | |
11fdf7f2 TL |
81 | using ceph::encode; |
82 | encode(dirfrag, payload); | |
83 | encode(basedir, payload); | |
84 | encode(bounds, payload); | |
85 | encode(traces, payload); | |
86 | encode(bystanders, payload); | |
7c673cae | 87 | } |
9f95a23c TL |
88 | private: |
89 | template<class T, typename... Args> | |
90 | friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args); | |
7c673cae FG |
91 | }; |
92 | ||
93 | #endif |