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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.
//
// **********************************************************************
#ifndef ICE_GRID_SERVERCACHE_H
#define ICE_GRID_SERVERCACHE_H
#include <IceUtil/Mutex.h>
#include <IceUtil/Shared.h>
#include <IceGrid/Descriptor.h>
#include <IceGrid/Internal.h>
#include <IceGrid/Query.h>
#include <IceGrid/Allocatable.h>
#include <IceGrid/Cache.h>
namespace IceGrid
{
class ServerCache;
class ObjectCache;
class AdapterCache;
class AllocatableObjectCache;
class NodeCache;
class NodeEntry;
typedef IceUtil::Handle<NodeEntry> NodeEntryPtr;
class ServerEntry : public Allocatable
{
public:
ServerEntry(ServerCache&, const std::string&);
void sync();
void update(const ServerInfo&);
void destroy();
ServerInfo getServerInfo(bool = false) const;
std::string getId() const;
ServerPrx getProxy(int&, int&, std::string&, bool);
AdapterPrx getAdapter(const std::string&, bool);
NodeEntryPtr getNode() const;
std::string getApplication() const;
float getLoad(LoadSample) const;
bool canRemove();
bool isDestroyed();
void loadCallback(const ServerPrx&, const AdapterPrxDict&, int, int);
void destroyCallback();
void exception(const Ice::Exception&);
virtual void allocated(const SessionIPtr&);
virtual void allocatedNoSync(const SessionIPtr&);
virtual void released(const SessionIPtr&);
virtual void releasedNoSync(const SessionIPtr&);
private:
void syncImpl(bool);
ServerCache& _cache;
const std::string _id;
std::auto_ptr<ServerInfo> _loaded;
std::auto_ptr<ServerInfo> _load;
std::auto_ptr<ServerInfo> _destroy;
ServerPrx _proxy;
AdapterPrxDict _adapters;
int _activationTimeout;
int _deactivationTimeout;
bool _synchronizing;
bool _updated;
std::auto_ptr<Ice::Exception> _exception;
SessionIPtr _session;
};
typedef IceUtil::Handle<ServerEntry> ServerEntryPtr;
typedef std::vector<ServerEntryPtr> ServerEntrySeq;
class ServerCache : public CacheByString<ServerEntry>
{
public:
ServerCache(const Ice::CommunicatorPtr&, NodeCache&, AdapterCache&, ObjectCache&, AllocatableObjectCache&);
ServerEntryPtr add(const ServerInfo&);
ServerEntryPtr get(const std::string&) const;
bool has(const std::string&) const;
ServerEntryPtr remove(const std::string&, bool = true);
void clear(const std::string&);
NodeCache& getNodeCache() const { return _nodeCache; }
Ice::CommunicatorPtr getCommunicator() const { return _communicator; }
private:
void addCommunicator(const CommunicatorDescriptorPtr&, const ServerEntryPtr&);
void removeCommunicator(const CommunicatorDescriptorPtr&, const ServerEntryPtr&);
friend struct AddCommunicator;
friend struct RemoveCommunicator;
const Ice::CommunicatorPtr _communicator;
NodeCache& _nodeCache;
AdapterCache& _adapterCache;
ObjectCache& _objectCache;
AllocatableObjectCache& _allocatableObjectCache;
};
};
#endif
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