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// **********************************************************************
//
// Copyright (c) 2003
// 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 <IcePack/NodeRegistryI.h>
#include <IcePack/AdapterFactory.h>
#include <IcePack/TraceLevels.h>
using namespace std;
using namespace IcePack;
IcePack::NodeRegistryI::NodeRegistryI(const Ice::CommunicatorPtr& communicator,
const string& envName,
const string& dbName,
const AdapterRegistryPtr& adapterRegistry,
const AdapterFactoryPtr& adapterFactory,
const TraceLevelsPtr& traceLevels) :
_dict(communicator, envName, dbName),
_adapterRegistry(adapterRegistry),
_adapterFactory(adapterFactory),
_traceLevels(traceLevels)
{
for(StringObjectProxyDict::const_iterator p = _dict.begin(); p != _dict.end(); ++p)
{
NodePrx node = NodePrx::uncheckedCast(p->second);
try
{
node->ice_ping();
}
catch(const Ice::ObjectNotExistException&)
{
remove(p->first);
}
catch(const Ice::LocalException& ex)
{
}
}
}
void
IcePack::NodeRegistryI::add(const string& name, const NodePrx& node, const Ice::Current&)
{
IceUtil::Mutex::Lock sync(*this);
StringObjectProxyDict::iterator p = _dict.find(name);
if(p != _dict.end())
{
try
{
p->second->ice_ping();
throw NodeActiveException();
}
catch(const Ice::LocalException&)
{
//
// Node not active.
//
}
p.set(node);
if(_traceLevels->nodeRegistry > 0)
{
Ice::Trace out(_traceLevels->logger, _traceLevels->nodeRegistryCat);
out << "updated node `" << name << "' proxy";
}
}
else
{
_dict.put(pair<const string, const Ice::ObjectPrx>(name, node));
if(_traceLevels->nodeRegistry > 0)
{
Ice::Trace out(_traceLevels->logger, _traceLevels->nodeRegistryCat);
out << "added node `" << name << "'";
}
}
try
{
_adapterRegistry->findById("IcePack.Node-" + name);
//
// TODO: ensure this adapter has been created by the adapter
// factory. It's possible that an adapter has been created
// with the same name. In such a case, the best is probably to
// prevent the node registration by throwing an appropriate
// exception. The user would then need to remove the adapter
// from the adapter registry to be able to run the node.
//
}
catch(const AdapterNotExistException&)
{
//
// Create and register the node adapter.
//
AdapterPrx adapter = _adapterFactory->createStandaloneAdapter("IcePackNodeAdapter." + name);
try
{
_adapterRegistry->add("IcePack.Node-" + name, adapter);
}
catch(const AdapterExistsException&)
{
adapter->destroy();
}
}
}
void
IcePack::NodeRegistryI::remove(const string& name, const Ice::Current&)
{
IceUtil::Mutex::Lock sync(*this);
StringObjectProxyDict::iterator p = _dict.find(name);
if(p == _dict.end())
{
throw NodeNotExistException();
}
_dict.erase(p);
if(_traceLevels->nodeRegistry > 0)
{
Ice::Trace out(_traceLevels->logger, _traceLevels->nodeRegistryCat);
out << "removed node `" << name << "'";
}
//
// Remove the adapter from the adapter registry.
//
try
{
AdapterPrx adapter = _adapterRegistry->findById("IcePack.Node-" + name);
adapter->destroy();
_adapterRegistry->remove("IcePack.Node-" + name);
}
catch(const AdapterNotExistException&)
{
}
}
NodePrx
IcePack::NodeRegistryI::findByName(const string& name, const Ice::Current&)
{
StringObjectProxyDict::const_iterator p = _dict.find(name);
if(p != _dict.end())
{
try
{
return NodePrx::checkedCast(p->second);
}
catch(const Ice::ObjectNotExistException&)
{
}
catch(const Ice::LocalException&)
{
return NodePrx::uncheckedCast(p->second);
}
}
throw NodeNotExistException();
}
Ice::StringSeq
IcePack::NodeRegistryI::getAll(const Ice::Current&) const
{
Ice::StringSeq names;
names.reserve(_dict.size());
for(StringObjectProxyDict::const_iterator p = _dict.begin(); p != _dict.end(); ++p)
{
names.push_back(p->first);
}
return names;
}
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