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// **********************************************************************
//
// Copyright (c) 2003-2006 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 <IceGrid/RegistryI.h>
#include <IceGrid/InternalRegistryI.h>
#include <IceGrid/Database.h>
#include <IceGrid/WellKnownObjectsManager.h>
#include <IceGrid/ReapThread.h>
#include <IceGrid/Topics.h>
#include <IceGrid/NodeSessionI.h>
#include <IceGrid/ReplicaSessionI.h>
#include <IceGrid/ReplicaSessionManager.h>
#include <IceGrid/FileCache.h>
using namespace std;
using namespace IceGrid;
namespace IceGrid
{
template<class T>
class SessionReapable : public Reapable
{
typedef IceUtil::Handle<T> TPtr;
public:
SessionReapable(const Ice::ObjectAdapterPtr& adapter, const TPtr& session, const Ice::ObjectPrx& proxy) :
_adapter(adapter),
_session(session),
_proxy(proxy)
{
}
virtual ~SessionReapable()
{
}
virtual IceUtil::Time
timestamp() const
{
return _session->timestamp();
}
virtual void
destroy(bool destroy)
{
try
{
//
// Invoke on the servant directly instead of the
// proxy. Invoking on the proxy might not always work if the
// communicator is being shutdown/destroyed. We have to create
// a fake "current" because the session destroy methods needs
// the adapter and object identity to unregister the servant
// from the adapter.
//
Ice::Current current;
if(!destroy)
{
current.adapter = _adapter;
current.id = _proxy->ice_getIdentity();
}
_session->destroy(current);
}
catch(const Ice::ObjectNotExistException&)
{
}
catch(const Ice::LocalException& ex)
{
Ice::Warning out(_proxy->ice_getCommunicator()->getLogger());
out << "unexpected exception while reaping session:\n" << ex;
}
}
private:
const Ice::ObjectAdapterPtr _adapter;
const TPtr _session;
const Ice::ObjectPrx _proxy;
};
}
InternalRegistryI::InternalRegistryI(const RegistryIPtr& registry,
const DatabasePtr& database,
const ReapThreadPtr& reaper,
const WellKnownObjectsManagerPtr& wellKnownObjects,
ReplicaSessionManager& session) :
_registry(registry),
_database(database),
_reaper(reaper),
_wellKnownObjects(wellKnownObjects),
_fileCache(new FileCache()),
_session(session)
{
Ice::PropertiesPtr properties = database->getCommunicator()->getProperties();
_nodeSessionTimeout = properties->getPropertyAsIntWithDefault("IceGrid.Registry.NodeSessionTimeout", 30);
_replicaSessionTimeout = properties->getPropertyAsIntWithDefault("IceGrid.Registry.ReplicaSessionTimeout", 30);
}
InternalRegistryI::~InternalRegistryI()
{
}
NodeSessionPrx
InternalRegistryI::registerNode(const std::string& name,
const NodePrx& node,
const NodeInfo& info,
const Ice::Current& current)
{
try
{
NodeSessionIPtr session = new NodeSessionI(_database, name, node, info, _nodeSessionTimeout);
NodeSessionPrx proxy = NodeSessionPrx::uncheckedCast(current.adapter->addWithUUID(session));
_reaper->add(new SessionReapable<NodeSessionI>(current.adapter, session, proxy), _nodeSessionTimeout);
return proxy;
}
catch(const Ice::ObjectAdapterDeactivatedException&)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__, current.id, current.facet, current.operation);
}
}
ReplicaSessionPrx
InternalRegistryI::registerReplica(const std::string& name,
const RegistryInfo& info,
const InternalRegistryPrx& registry,
const Ice::Current& current)
{
try
{
ReplicaSessionIPtr session = new ReplicaSessionI(_database, _wellKnownObjects, name, info, registry,
_replicaSessionTimeout);
ReplicaSessionPrx proxy = ReplicaSessionPrx::uncheckedCast(current.adapter->addWithUUID(session));
_reaper->add(new SessionReapable<ReplicaSessionI>(current.adapter, session, proxy), _replicaSessionTimeout);
return proxy;
}
catch(const Ice::ObjectAdapterDeactivatedException&)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__, current.id, current.facet, current.operation);
}
}
void
InternalRegistryI::registerWithReplica(const InternalRegistryPrx& replica, const Ice::Current&)
{
_session.create(replica);
}
NodePrxSeq
InternalRegistryI::getNodes(const Ice::Current&) const
{
NodePrxSeq nodes;
Ice::ObjectProxySeq proxies = _database->getInternalObjectsByType(Node::ice_staticId());
for(Ice::ObjectProxySeq::const_iterator p = proxies.begin(); p != proxies.end(); ++p)
{
nodes.push_back(NodePrx::uncheckedCast(*p));
}
return nodes;
}
InternalRegistryPrxSeq
InternalRegistryI::getReplicas(const Ice::Current&) const
{
InternalRegistryPrxSeq replicas;
Ice::ObjectProxySeq proxies = _database->getObjectsByType(InternalRegistry::ice_staticId());
for(Ice::ObjectProxySeq::const_iterator p = proxies.begin(); p != proxies.end(); ++p)
{
replicas.push_back(InternalRegistryPrx::uncheckedCast(*p));
}
return replicas;
}
void
InternalRegistryI::shutdown(const Ice::Current& current) const
{
_registry->shutdown();
}
Ice::StringSeq
InternalRegistryI::readLines(const string& filename, Ice::Long pos, int count, Ice::Long& newPos,
const Ice::Current&) const
{
string file;
if(filename == "stderr")
{
file = _database->getCommunicator()->getProperties()->getProperty("Ice.StdErr");
if(file.empty())
{
throw FileNotAvailableException("Ice.StdErr configuration property is not set");
}
}
else if(filename == "stdout")
{
file = _database->getCommunicator()->getProperties()->getProperty("Ice.StdOut");
if(file.empty())
{
throw FileNotAvailableException("Ice.StdOut configuration property is not set");
}
}
else
{
throw FileNotAvailableException("unknown file");
}
return _fileCache->read(file, pos, count, newPos);
}
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