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/**
* @file llupdaterservice.cpp
*
* $LicenseInfo:firstyear=2010&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "llevents.h"
#include "lltimer.h"
#include "llupdaterservice.h"
#include "llupdatechecker.h"
#include "llpluginprocessparent.h"
#include <boost/scoped_ptr.hpp>
#include <boost/weak_ptr.hpp>
#if LL_WINDOWS
#pragma warning (disable : 4355) // 'this' used in initializer list: yes, intentionally
#endif
boost::weak_ptr<LLUpdaterServiceImpl> gUpdater;
class LLUpdaterServiceImpl :
public LLPluginProcessParentOwner,
public LLUpdateChecker::Client
{
static const std::string sListenerName;
std::string mUrl;
std::string mChannel;
std::string mVersion;
unsigned int mCheckPeriod;
bool mIsChecking;
boost::scoped_ptr<LLPluginProcessParent> mPlugin;
LLUpdateChecker mUpdateChecker;
LLTimer mTimer;
void retry(void);
LOG_CLASS(LLUpdaterServiceImpl);
public:
LLUpdaterServiceImpl();
virtual ~LLUpdaterServiceImpl();
// LLPluginProcessParentOwner interfaces
virtual void receivePluginMessage(const LLPluginMessage &message);
virtual bool receivePluginMessageEarly(const LLPluginMessage &message);
virtual void pluginLaunchFailed();
virtual void pluginDied();
void setParams(const std::string& url,
const std::string& channel,
const std::string& version);
void setCheckPeriod(unsigned int seconds);
void startChecking();
void stopChecking();
bool isChecking();
// LLUpdateChecker::Client:
virtual void error(std::string const & message);
virtual void optionalUpdate(std::string const & newVersion);
virtual void requiredUpdate(std::string const & newVersion);
virtual void upToDate(void);
bool onMainLoop(LLSD const & event);
};
const std::string LLUpdaterServiceImpl::sListenerName = "LLUpdaterServiceImpl";
LLUpdaterServiceImpl::LLUpdaterServiceImpl() :
mIsChecking(false),
mCheckPeriod(0),
mPlugin(0),
mUpdateChecker(*this)
{
// Create the plugin parent, this is the owner.
mPlugin.reset(new LLPluginProcessParent(this));
}
LLUpdaterServiceImpl::~LLUpdaterServiceImpl()
{
LL_INFOS("UpdaterService") << "shutting down updater service" << LL_ENDL;
LLEventPumps::instance().obtain("mainloop").stopListening(sListenerName);
}
// LLPluginProcessParentOwner interfaces
void LLUpdaterServiceImpl::receivePluginMessage(const LLPluginMessage &message)
{
}
bool LLUpdaterServiceImpl::receivePluginMessageEarly(const LLPluginMessage &message)
{
return false;
};
void LLUpdaterServiceImpl::pluginLaunchFailed()
{
};
void LLUpdaterServiceImpl::pluginDied()
{
};
void LLUpdaterServiceImpl::setParams(const std::string& url,
const std::string& channel,
const std::string& version)
{
if(mIsChecking)
{
throw LLUpdaterService::UsageError("Call LLUpdaterService::stopCheck()"
" before setting params.");
}
mUrl = url;
mChannel = channel;
mVersion = version;
}
void LLUpdaterServiceImpl::setCheckPeriod(unsigned int seconds)
{
mCheckPeriod = seconds;
}
void LLUpdaterServiceImpl::startChecking()
{
if(!mIsChecking)
{
if(mUrl.empty() || mChannel.empty() || mVersion.empty())
{
throw LLUpdaterService::UsageError("Set params before call to "
"LLUpdaterService::startCheck().");
}
mIsChecking = true;
mUpdateChecker.check(mUrl, mChannel, mVersion);
}
}
void LLUpdaterServiceImpl::stopChecking()
{
if(mIsChecking)
{
mIsChecking = false;
}
}
bool LLUpdaterServiceImpl::isChecking()
{
return mIsChecking;
}
void LLUpdaterServiceImpl::error(std::string const & message)
{
retry();
}
void LLUpdaterServiceImpl::optionalUpdate(std::string const & newVersion)
{
retry();
}
void LLUpdaterServiceImpl::requiredUpdate(std::string const & newVersion)
{
retry();
}
void LLUpdaterServiceImpl::upToDate(void)
{
retry();
}
void LLUpdaterServiceImpl::retry(void)
{
LL_INFOS("UpdaterService") << "will check for update again in " <<
mCheckPeriod << " seconds" << LL_ENDL;
mTimer.start();
mTimer.setTimerExpirySec(mCheckPeriod);
LLEventPumps::instance().obtain("mainloop").listen(
sListenerName, boost::bind(&LLUpdaterServiceImpl::onMainLoop, this, _1));
}
bool LLUpdaterServiceImpl::onMainLoop(LLSD const & event)
{
if(mTimer.hasExpired())
{
mTimer.stop();
LLEventPumps::instance().obtain("mainloop").stopListening(sListenerName);
mUpdateChecker.check(mUrl, mChannel, mVersion);
} else {
// Keep on waiting...
}
return false;
}
//-----------------------------------------------------------------------
// Facade interface
LLUpdaterService::LLUpdaterService()
{
if(gUpdater.expired())
{
mImpl =
boost::shared_ptr<LLUpdaterServiceImpl>(new LLUpdaterServiceImpl());
gUpdater = mImpl;
}
else
{
mImpl = gUpdater.lock();
}
}
LLUpdaterService::~LLUpdaterService()
{
}
void LLUpdaterService::setParams(const std::string& url,
const std::string& chan,
const std::string& vers)
{
mImpl->setParams(url, chan, vers);
}
void LLUpdaterService::setCheckPeriod(unsigned int seconds)
{
mImpl->setCheckPeriod(seconds);
}
void LLUpdaterService::startChecking()
{
mImpl->startChecking();
}
void LLUpdaterService::stopChecking()
{
mImpl->stopChecking();
}
bool LLUpdaterService::isChecking()
{
return mImpl->isChecking();
}
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