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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_MMDSRESOLVE_H | |
16 | #define CEPH_MMDSRESOLVE_H | |
17 | ||
18 | #include "msg/Message.h" | |
19 | ||
20 | #include "include/types.h" | |
21 | ||
22 | class MMDSResolve : public Message { | |
23 | public: | |
24 | map<dirfrag_t, vector<dirfrag_t> > subtrees; | |
25 | map<dirfrag_t, vector<dirfrag_t> > ambiguous_imports; | |
26 | ||
27 | struct slave_request { | |
28 | bufferlist inode_caps; | |
29 | bool committing; | |
30 | slave_request() : committing(false) {} | |
31 | void encode(bufferlist &bl) const { | |
32 | ::encode(inode_caps, bl); | |
33 | ::encode(committing, bl); | |
34 | } | |
35 | void decode(bufferlist::iterator &bl) { | |
36 | ::decode(inode_caps, bl); | |
37 | ::decode(committing, bl); | |
38 | } | |
39 | }; | |
40 | WRITE_CLASS_ENCODER(slave_request) | |
41 | ||
42 | map<metareqid_t, slave_request> slave_requests; | |
43 | ||
44 | MMDSResolve() : Message(MSG_MDS_RESOLVE) {} | |
45 | private: | |
46 | ~MMDSResolve() override {} | |
47 | ||
48 | public: | |
49 | const char *get_type_name() const override { return "mds_resolve"; } | |
50 | ||
51 | void print(ostream& out) const override { | |
52 | out << "mds_resolve(" << subtrees.size() | |
53 | << "+" << ambiguous_imports.size() | |
54 | << " subtrees +" << slave_requests.size() << " slave requests)"; | |
55 | } | |
56 | ||
57 | void add_subtree(dirfrag_t im) { | |
58 | subtrees[im].clear(); | |
59 | } | |
60 | void add_subtree_bound(dirfrag_t im, dirfrag_t ex) { | |
61 | subtrees[im].push_back(ex); | |
62 | } | |
63 | ||
64 | void add_ambiguous_import(dirfrag_t im, const vector<dirfrag_t>& m) { | |
65 | ambiguous_imports[im] = m; | |
66 | } | |
67 | ||
68 | void add_slave_request(metareqid_t reqid, bool committing) { | |
69 | slave_requests[reqid].committing = committing; | |
70 | } | |
71 | ||
72 | void add_slave_request(metareqid_t reqid, bufferlist& bl) { | |
73 | slave_requests[reqid].inode_caps.claim(bl); | |
74 | } | |
75 | ||
76 | void encode_payload(uint64_t features) override { | |
77 | ::encode(subtrees, payload); | |
78 | ::encode(ambiguous_imports, payload); | |
79 | ::encode(slave_requests, payload); | |
80 | } | |
81 | void decode_payload() override { | |
82 | bufferlist::iterator p = payload.begin(); | |
83 | ::decode(subtrees, p); | |
84 | ::decode(ambiguous_imports, p); | |
85 | ::decode(slave_requests, p); | |
86 | } | |
87 | }; | |
88 | ||
31f18b77 | 89 | inline ostream& operator<<(ostream& out, const MMDSResolve::slave_request&) { |
7c673cae FG |
90 | return out; |
91 | } | |
92 | ||
93 | WRITE_CLASS_ENCODER(MMDSResolve::slave_request) | |
94 | #endif |