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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include "config.h"
#include "LogEvent.h"
#include "MDS.h"
// events i know of
#include "events/EString.h"
#include "events/ESubtreeMap.h"
#include "events/EExport.h"
#include "events/EImportStart.h"
#include "events/EImportFinish.h"
#include "events/EFragment.h"
#include "events/ESession.h"
#include "events/ESessions.h"
#include "events/EUpdate.h"
#include "events/ESlaveUpdate.h"
#include "events/EOpen.h"
#include "events/ECommitted.h"
#include "events/EPurgeFinish.h"
#include "events/ETableClient.h"
#include "events/ETableServer.h"
LogEvent *LogEvent::decode(bufferlist& bl)
{
// parse type, length
bufferlist::iterator p = bl.begin();
__u32 type;
::decode(type, p);
int length = bl.length() - p.get_off();
generic_dout(15) << "decode_log_event type " << type << ", size " << length << dendl;
assert(type > 0);
// create event
LogEvent *le;
switch (type) {
case EVENT_STRING: le = new EString; break;
case EVENT_SUBTREEMAP: le = new ESubtreeMap; break;
case EVENT_EXPORT: le = new EExport; break;
case EVENT_IMPORTSTART: le = new EImportStart; break;
case EVENT_IMPORTFINISH: le = new EImportFinish; break;
case EVENT_FRAGMENT: le = new EFragment; break;
case EVENT_SESSION: le = new ESession; break;
case EVENT_SESSIONS: le = new ESessions; break;
case EVENT_UPDATE: le = new EUpdate; break;
case EVENT_SLAVEUPDATE: le = new ESlaveUpdate; break;
case EVENT_OPEN: le = new EOpen; break;
case EVENT_COMMITTED: le = new ECommitted; break;
case EVENT_PURGEFINISH: le = new EPurgeFinish; break;
case EVENT_TABLECLIENT: le = new ETableClient; break;
case EVENT_TABLESERVER: le = new ETableServer; break;
default:
generic_dout(1) << "uh oh, unknown log event type " << type << dendl;
assert(0);
}
// decode
le->decode(p);
assert(p.end());
return le;
}
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