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// **********************************************************************
//
// Copyright (c) 2003-2009 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_NODECACHE_H
#define ICE_GRID_NODECACHE_H
#include <IceUtil/RecMutex.h>
#include <IceUtil/Shared.h>
#include <IceGrid/Cache.h>
#include <IceGrid/Internal.h>
namespace IceGrid
{
class NodeCache;
class SessionI;
typedef IceUtil::Handle<SessionI> SessionIPtr;
class NodeSessionI;
typedef IceUtil::Handle<NodeSessionI> NodeSessionIPtr;
class ServerEntry;
typedef IceUtil::Handle<ServerEntry> ServerEntryPtr;
typedef std::vector<ServerEntryPtr> ServerEntrySeq;
class ReplicaCache;
class NodeEntry : public IceUtil::Monitor<IceUtil::RecMutex>
{
public:
NodeEntry(NodeCache&, const std::string&);
virtual ~NodeEntry();
void addDescriptor(const std::string&, const NodeDescriptor&);
void removeDescriptor(const std::string&);
void addServer(const ServerEntryPtr&);
void removeServer(const ServerEntryPtr&);
void setSession(const NodeSessionIPtr&);
NodePrx getProxy() const;
InternalNodeInfoPtr getInfo() const;
ServerEntrySeq getServers() const;
LoadInfo getLoadInfoAndLoadFactor(const std::string&, float&) const;
NodeSessionIPtr getSession() const;
bool canRemove();
void loadServer(const ServerEntryPtr&, const ServerInfo&, const SessionIPtr&, int);
void destroyServer(const ServerEntryPtr&, const ServerInfo&, int);
ServerInfo getServerInfo(const ServerInfo&, const SessionIPtr&);
void __incRef();
void __decRef();
void checkSession() const;
void setProxy(const NodePrx&);
void finishedRegistration();
void finishedRegistration(const Ice::Exception&);
private:
ServerDescriptorPtr getServerDescriptor(const ServerInfo&, const SessionIPtr&);
InternalServerDescriptorPtr getInternalServerDescriptor(const ServerInfo&) const;
NodeCache& _cache;
IceUtil::Mutex _refMutex;
int _ref;
const std::string _name;
NodeSessionIPtr _session;
std::map<std::string, ServerEntryPtr> _servers;
std::map<std::string, NodeDescriptor> _descriptors;
mutable bool _registering;
mutable NodePrx _proxy;
};
typedef IceUtil::Handle<NodeEntry> NodeEntryPtr;
class NodeCache : public CacheByString<NodeEntry>
{
public:
NodeCache(const Ice::CommunicatorPtr&, ReplicaCache&, const std::string&);
NodeEntryPtr get(const std::string&, bool = false) const;
const Ice::CommunicatorPtr& getCommunicator() const { return _communicator; }
const std::string& getReplicaName() const { return _replicaName; }
ReplicaCache& getReplicaCache() const { return _replicaCache; }
private:
const Ice::CommunicatorPtr _communicator;
const std::string _replicaName;
ReplicaCache& _replicaCache;
};
};
#endif
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