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// **********************************************************************
//
// Copyright (c) 2002
// ZeroC, Inc.
// Billerica, MA, USA
//
// All Rights Reserved.
//
// Ice is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License version 2 as published by
// the Free Software Foundation.
//
// **********************************************************************
#include <Ice/ConnectionMonitor.h>
#include <Ice/Connection.h>
#include <Ice/LocalException.h>
#include <Ice/LoggerUtil.h>
#include <Ice/Instance.h>
using namespace std;
using namespace Ice;
using namespace IceInternal;
void IceInternal::incRef(ConnectionMonitor* p) { p->__incRef(); }
void IceInternal::decRef(ConnectionMonitor* p) { p->__decRef(); }
void
IceInternal::ConnectionMonitor::destroy()
{
{
IceUtil::Monitor<IceUtil::Mutex>::Lock sync(*this);
assert(_instance);
_instance = 0;
_connections.clear();
notify();
}
getThreadControl().join();
}
void
IceInternal::ConnectionMonitor::add(const ConnectionPtr& connection)
{
IceUtil::Monitor<IceUtil::Mutex>::Lock sync(*this);
assert(_instance);
_connections.insert(connection);
}
void
IceInternal::ConnectionMonitor::remove(const ConnectionPtr& connection)
{
IceUtil::Monitor<IceUtil::Mutex>::Lock sync(*this);
assert(_instance);
_connections.erase(connection);
}
IceInternal::ConnectionMonitor::ConnectionMonitor(const InstancePtr& instance, int interval) :
_instance(instance),
_interval(interval)
{
assert(_interval > 0);
start();
}
IceInternal::ConnectionMonitor::~ConnectionMonitor()
{
assert(!_instance);
assert(_connections.empty());
}
void
IceInternal::ConnectionMonitor::run()
{
IceUtil::Time waitTime = IceUtil::Time::seconds(_interval);
while(true)
{
set<ConnectionPtr> connections;
{
IceUtil::Monitor<IceUtil::Mutex>::Lock sync(*this);
if(!_instance)
{
return;
}
if(!timedWait(waitTime))
{
connections = _connections;
}
if(!_instance)
{
return;
}
}
//
// Monitor connections outside the thread synchronization, so
// that connections can be added or removed during monitoring.
//
for(set<ConnectionPtr>::const_iterator p = connections.begin(); p != connections.end(); ++p)
{
try
{
(*p)->monitor();
}
catch(const Exception& ex)
{
IceUtil::Monitor<IceUtil::Mutex>::Lock sync(*this);
if(!_instance)
{
return;
}
Error out(_instance->logger());
out << "exception in connection monitor:\n" << ex;
}
catch(...)
{
IceUtil::Monitor<IceUtil::Mutex>::Lock sync(*this);
if(!_instance)
{
return;
}
Error out(_instance->logger());
out << "unknown exception in connection monitor";
}
}
}
}
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