mirror of
https://github.com/ceph/ceph
synced 2025-02-07 02:43:59 +00:00
0d081ba016
git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@1107 29311d96-e01e-0410-9327-a35deaab8ce9
68 lines
1.8 KiB
C++
68 lines
1.8 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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#include "LogEvent.h"
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#include "MDS.h"
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// events i know of
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#include "events/EString.h"
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#include "events/EImportMap.h"
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#include "events/EMetaBlob.h"
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#include "events/EUpdate.h"
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#include "events/EUnlink.h"
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#include "events/EAlloc.h"
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#include "events/EPurgeFinish.h"
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#include "events/EExportStart.h"
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#include "events/EExportFinish.h"
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#include "events/EImportStart.h"
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#include "events/EImportFinish.h"
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LogEvent *LogEvent::decode(bufferlist& bl)
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{
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// parse type, length
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int off = 0;
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int type;
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bl.copy(off, sizeof(type), (char*)&type);
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off += sizeof(type);
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int length = bl.length() - off;
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dout(15) << "decode_log_event type " << type << ", size " << length << endl;
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assert(type > 0);
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// create event
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LogEvent *le;
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switch (type) {
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case EVENT_STRING: le = new EString(); break;
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case EVENT_IMPORTMAP: le = new EImportMap; break;
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case EVENT_UPDATE: le = new EUpdate; break;
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case EVENT_UNLINK: le = new EUnlink(); break;
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case EVENT_PURGEFINISH: le = new EPurgeFinish(); break;
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case EVENT_ALLOC: le = new EAlloc(); break;
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case EVENT_EXPORTSTART: le = new EExportStart; break;
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case EVENT_EXPORTFINISH: le = new EExportFinish; break;
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case EVENT_IMPORTSTART: le = new EImportStart; break;
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case EVENT_IMPORTFINISH: le = new EImportFinish; break;
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default:
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dout(1) << "uh oh, unknown log event type " << type << endl;
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assert(0);
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}
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// decode
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le->decode_payload(bl, off);
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return le;
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}
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