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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_configmgr.hxx"
#include <stdio.h>
#include "cachewritescheduler.hxx"
#include "cachecontroller.hxx"
#include "tracer.hxx"
namespace configmgr
{
// =========================================================================
OCacheWriteScheduler::~OCacheWriteScheduler()
{
stopAndWriteCache();// last chance - violates precond
}
void OCacheWriteScheduler::stopAndWriteCache()
{
OSL_ASSERT(UnoApiLock::isHeld());
CFG_TRACE_INFO("Cancelling all cache writings, Stopping timer");
if (m_xTimer.isValid())
m_xTimer->dispose(); // just to be sure
runWriter();
m_aWriteList.clear();
}
// -------------------------------------------------------------------------
void OCacheWriteScheduler::Timer::onShot()
{
UnoApiLock aLock;
if (pParent)
pParent->onTimerShot();
else
CFG_TRACE_WARNING("Timer shot for disposed cache writer");
}
// -----------------------------------------------------------------------------
void OCacheWriteScheduler::onTimerShot()
{
//m_aTimer.stop();
CFG_TRACE_INFO("Write Timer invoked - executing write task");
try
{
runWriter();
CFG_TRACE_INFO_NI("Write timer: writing ended");
}
catch (...)
{
CFG_TRACE_ERROR_NI("Write timer: writing failed with an unknown exception");
OSL_ENSURE(false, "ERROR: Unknown Exception left a writer");
}
TimeStamp aNewTime = implGetScheduleTime(TimeStamp::getCurrentTime(), m_aWriteInterval);
implStartBefore(aNewTime);
}
// -------------------------------------------------------------------------
void OCacheWriteScheduler::runWriter()
{
// Write Cache
OSL_ASSERT(UnoApiLock::isHeld());
CFG_TRACE_INFO("Running write operations");
CacheWriteList aPendingWrites;
m_aWriteList.swap(aPendingWrites);
CFG_TRACE_INFO_NI("Found %d sections to write", int(aPendingWrites.size()));
for (CacheWriteList::iterator it = aPendingWrites.begin();
it != aPendingWrites.end();
++it)
{
RequestOptions aTaskOption = *it;
try
{
writeOneTreeFoundByOption(aTaskOption);
}
catch (uno::Exception& e)
{
(void)e;
CFG_TRACE_ERROR_NI("TreeCacheWriteScheduler: Attempt to write data failed - error is '%s' (currently ignored)",OUSTRING2ASCII(e.Message));
}
}
// m_aWriteList.clear();
CFG_TRACE_INFO_NI("DONE: Running write operations");
}
// -----------------------------------------------------------------------------
void OCacheWriteScheduler::writeOneTreeFoundByOption(RequestOptions const& _aOptions) SAL_THROW((com::sun::star::uno::Exception))
{
CFG_TRACE_INFO("Writeing one cache tree for user '%s' with locale '%s'",
OUSTRING2ASCII(_aOptions.getEntity()),
OUSTRING2ASCII(_aOptions.getLocale()));
rtl::Reference<CacheLoadingAccess> aCache;
aCache = m_rTreeManager.m_aCacheMap.get(_aOptions);
if (aCache.is())
{
CFG_TRACE_INFO_NI("- Found matching data container - starting write task");
if (!m_rTreeManager.saveAllPendingChanges(aCache,_aOptions))
{
m_aWriteList.insert(_aOptions);
CFG_TRACE_INFO_NI("- Write task incomplete -reregistering");
}
// we got a pending list with pointers from TreeInfo.
}
else
{
CFG_TRACE_WARNING_NI("- Data container (TreeInfo) to write not found: Ignoring task");
}
CFG_TRACE_INFO_NI("Removing written cache tree (for user '%s' with locale '%s')",
OUSTRING2ASCII(_aOptions.getEntity()),
OUSTRING2ASCII(_aOptions.getLocale()));
}
// -----------------------------------------------------------------------------
bool OCacheWriteScheduler::clearTasks(RequestOptions const& _aOptions)
{
// sadly list::remove doesn't return an indication of what it did
bool bFound = m_aWriteList.erase(_aOptions) !=0;
if (bFound)
{
CFG_TRACE_INFO("Write Scheduler: Dropped cache tree (for user '%s' with locale '%s') from task list",
OUSTRING2ASCII(_aOptions.getEntity()),
OUSTRING2ASCII(_aOptions.getLocale()));
}
return bFound;
}
// -----------------------------------------------------------------------------
// should be called guarded only
void OCacheWriteScheduler::implStartBefore(TimeStamp const& _aTime)
{
CFG_TRACE_INFO("Triggering write timer");
// check if we were cleared
if (!m_aWriteList.empty())
{
if (!m_xTimer->isTicking())
{
m_xTimer->setAbsoluteTime(_aTime.getTimeValue());
if (!m_xTimer->isTicking())
m_xTimer->start();
OSL_ASSERT( m_xTimer->isTicking() );
}
CFG_TRACE_INFO_NI("- Write timer running - next execution in %d seconds", int (m_xTimer->getRemainingTime().Seconds) );
CFG_TRACE_INFO_NI("- %d write tasks are pending", int(m_aWriteList.size()) );
}
else
{
m_xTimer->stop();
CFG_TRACE_INFO_NI("- Stopped timer - no more open write tasks");
}
}
// -----------------------------------------------------------------------------
void OCacheWriteScheduler::scheduleWrite(backend::ComponentRequest _aComponent) SAL_THROW((com::sun::star::uno::Exception))
{
OSL_ENSURE(_aComponent.getOptions().hasLocale(), "ERROR: OTreeDisposeScheduler: cannot handle complete user scheduling");
CFG_TRACE_INFO("Scheduling cache write for user '%s' with locale '%s'",
OUSTRING2ASCII(_aComponent.getOptions().getEntity()),
OUSTRING2ASCII(_aComponent.getOptions().getLocale()));
// lasy writing
m_aWriteList.insert(_aComponent.getOptions());
TimeStamp aNewTime = implGetScheduleTime(TimeStamp::getCurrentTime(), m_aWriteInterval);
implStartBefore(aNewTime);
}
// -----------------------------------------------------------------------------
} // namespace
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