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// **********************************************************************
//
// Copyright (c) 2003-2005 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#include <Ice/Ice.h>
#include <HelloSessionManagerI.h>
using namespace std;
using namespace Demo;
// XXX Cyclic dependency between ReapThread and SessionManagerI.cpp!! Set to 0 in both destroy() functions. XXX
ReapThread::ReapThread(const SessionManagerIPtr& manager, const IceUtil::Time& timeout) :
_destroy(false),
_timeout(timeout),
_manager(manager)
{
}
ReapThread::~ReapThread()
{
}
void
ReapThread::run()
{
Lock sync(*this);
while(!_destroy)
{
timedWait(_timeout);
if(_destroy)
{
break;
}
_manager->reap();
}
}
void
ReapThread::destroy()
{
Lock sync(*this);
_destroy = true;
notify();
}
SessionManagerI::SessionManagerI(const Ice::CommunicatorPtr& communicator) :
_timeout(IceUtil::Time::seconds(10)),
_reapThread(new ReapThread(this, _timeout)),
_logger(communicator->getLogger()),
_destroy(false)
{
_reapThread->start();
}
SessionManagerI::~SessionManagerI()
{
assert(_sessions.size() == 0);
assert(_destroy);
}
void
SessionManagerI::shutdown(const Ice::Current& c)
{
cout << "Shutting down..." << endl;
c.adapter->getCommunicator()->shutdown();
}
void
SessionManagerI::destroy()
{
Lock sync(*this);
assert(!_destroy);
_destroy = true;
_reapThread->destroy();
_reapThread->getThreadControl().join();
//
// Destroy each session.
//
for(map<Ice::Identity, pair< IceUtil::Time, SessionPrx> >::iterator p = _sessions.begin();
p != _sessions.end();
++p)
{
try
{
p->second.second->destroyed();
}
catch(const Ice::Exception& ex)
{
Ice::Warning warn(_logger);
warn << "Session::destroyed failed: " << ex;
}
}
_sessions.clear();
}
void
SessionManagerI::add(const SessionPrx& session)
{
Lock sync(*this);
Ice::Trace trace(_logger, "SessionManagerI");
trace << "add: " << Ice::identityToString(session->ice_getIdentity());
assert(!_destroy);
_sessions.insert(make_pair(session->ice_getIdentity(), make_pair(IceUtil::Time::now(), session)));
}
void
SessionManagerI::remove(const Ice::Identity& id)
{
Lock sync(*this);
assert(!_destroy);
map<Ice::Identity, pair< IceUtil::Time, SessionPrx> >::iterator p = _sessions.find(id);
if(p != _sessions.end())
{
try
{
p->second.second->destroyed();
}
catch(const Ice::Exception& ex)
{
Ice::Warning warn(_logger);
warn << "Session::destroyed failed: " << ex;
}
_sessions.erase(p);
}
Ice::Trace trace(_logger, "SessionManagerI");
trace << "SessionManagerI::remove: " << Ice::identityToString(id);
}
void
SessionManagerI::refresh(const Ice::Identity& id)
{
Lock sync(*this);
map<Ice::Identity, pair< IceUtil::Time, SessionPrx> >::iterator p = _sessions.find(id);
if(p != _sessions.end())
{
p->second.first = IceUtil::Time::now();
}
// Its possible the code reaches here if a session times out and
// is removed at the same time as it calls refresh.
}
void
SessionManagerI::reap()
{
Lock sync(*this);
//
// Run through the sessions destroying those which have not
// been refreshed in the _timeout interval.
//
IceUtil::Time now = IceUtil::Time::now();
map<Ice::Identity, pair< IceUtil::Time, SessionPrx> >::iterator p = _sessions.begin();
while(p != _sessions.end())
{
if((now - p->second.first) > _timeout)
{
Ice::Trace trace(_logger, "SessionManagerI");
trace << "SessionManagerI::reaping: " << Ice::identityToString(p->first);
try
{
p->second.second->destroyed();
}
catch(const Ice::Exception& ex)
{
Ice::Warning warn(_logger);
warn << "Session::destroyed failed: " << ex;
}
map<Ice::Identity, pair< IceUtil::Time, SessionPrx> >::iterator tmp = p;
++p;
_sessions.erase(tmp);
}
else
{
++p;
}
}
}
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