mirror of
https://github.com/ceph/ceph
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9213a23f14
git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@1138 29311d96-e01e-0410-9327-a35deaab8ce9
67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
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/*
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* Ceph - scalable distributed file system
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*
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* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
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*
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* This is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software
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* Foundation. See file COPYING.
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*
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*/
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#ifndef __MDS_EIMPORTMAP_H
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#define __MDS_EIMPORTMAP_H
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#include "../LogEvent.h"
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#include "EMetaBlob.h"
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class EImportMap : public LogEvent {
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public:
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EMetaBlob metablob;
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set<inodeno_t> imports;
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set<inodeno_t> exports;
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//set<inodeno_t> hashdirs;
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map<inodeno_t, set<inodeno_t> > nested_exports;
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EImportMap() : LogEvent(EVENT_IMPORTMAP) { }
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void print(ostream& out) {
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out << "import_map " << imports.size() << " imports, "
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<< exports.size() << " exports"
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<< " " << metablob;
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}
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void encode_payload(bufferlist& bl) {
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metablob._encode(bl);
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::_encode(imports, bl);
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::_encode(exports, bl);
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for (set<inodeno_t>::iterator p = imports.begin();
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p != imports.end();
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++p) {
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::_encode(nested_exports[*p], bl);
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if (nested_exports[*p].empty())
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nested_exports.erase(*p);
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}
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}
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void decode_payload(bufferlist& bl, int& off) {
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metablob._decode(bl, off);
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::_decode(imports, bl, off);
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::_decode(exports, bl, off);
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for (set<inodeno_t>::iterator p = imports.begin();
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p != imports.end();
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++p) {
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::_decode(nested_exports[*p], bl, off);
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if (nested_exports[*p].empty())
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nested_exports.erase(*p);
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}
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}
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bool has_expired(MDS *mds);
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void expire(MDS *mds, Context *c);
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void replay(MDS *mds);
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};
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#endif
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