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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_DATABASE_H
#define ICE_GRID_DATABASE_H
#include <IceUtil/Mutex.h>
#include <IceUtil/Shared.h>
#include <Freeze/ConnectionF.h>
#include <Ice/CommunicatorF.h>
#include <IceGrid/Admin.h>
#include <IceGrid/Internal.h>
#include <IceGrid/StringApplicationInfoDict.h>
#include <IceGrid/IdentityObjectInfoDict.h>
#include <IceGrid/StringAdapterInfoDict.h>
#include <IceGrid/ServerCache.h>
#include <IceGrid/NodeCache.h>
#include <IceGrid/ReplicaCache.h>
#include <IceGrid/ObjectCache.h>
#include <IceGrid/AllocatableObjectCache.h>
#include <IceGrid/AdapterCache.h>
#include <IceGrid/Topics.h>
namespace IceGrid
{
class TraceLevels;
typedef IceUtil::Handle<TraceLevels> TraceLevelsPtr;
class NodeSessionI;
typedef IceUtil::Handle<NodeSessionI> NodeSessionIPtr;
class ReplicaSessionI;
typedef IceUtil::Handle<ReplicaSessionI> ReplicaSessionIPtr;
class AdminSessionI;
class ServerEntry;
typedef IceUtil::Handle<ServerEntry> ServerEntryPtr;
class ApplicationHelper;
class Database : public IceUtil::Shared, public IceUtil::Monitor<IceUtil::Mutex>
{
public:
Database(const Ice::ObjectAdapterPtr&, const IceStorm::TopicManagerPrx&,
const std::string&, int, const TraceLevelsPtr&);
virtual ~Database();
void destroy();
std::string getInstanceName() const;
bool isMaster() const { return _master; }
const TraceLevelsPtr& getTraceLevels() const { return _traceLevels; }
const Ice::CommunicatorPtr& getCommunicator() const { return _communicator; }
const Ice::ObjectAdapterPtr& getInternalAdapter() { return _internalAdapter; }
void destroyTopics();
ObserverTopicPtr getObserverTopic(TopicName) const;
int getSessionTimeout() const { return _sessionTimeout; }
int lock(AdminSessionI*, const std::string&);
void unlock(AdminSessionI*);
void syncApplications(const ApplicationInfoSeq&);
void syncAdapters(const AdapterInfoSeq&);
void syncObjects(const ObjectInfoSeq&);
Ice::ObjectPrx getReplicatedEndpoints(const std::string&, const Ice::ObjectPrx&);
void addApplicationDescriptor(AdminSessionI*, const ApplicationDescriptor&);
void updateApplicationDescriptor(AdminSessionI*, const ApplicationUpdateDescriptor&);
void syncApplicationDescriptor(AdminSessionI*, const ApplicationDescriptor&);
void instantiateServer(AdminSessionI*, const std::string&, const std::string&, const ServerInstanceDescriptor&);
void removeApplicationDescriptor(AdminSessionI*, const std::string&);
ApplicationInfo getApplicationInfo(const std::string&);
Ice::StringSeq getAllApplications(const std::string& = std::string());
void addNode(const std::string&, const NodeSessionIPtr&);
NodePrx getNode(const std::string&) const;
NodeInfo getNodeInfo(const std::string&) const;
void removeNode(const std::string&, const NodeSessionIPtr&, bool);
Ice::StringSeq getAllNodes(const std::string& = std::string());
void addReplica(const std::string&, const ReplicaSessionIPtr&);
RegistryInfo getReplicaInfo(const std::string&) const;
InternalRegistryPrx getReplica(const std::string&) const;
void removeReplica(const std::string&, const ReplicaSessionIPtr&);
Ice::StringSeq getAllReplicas(const std::string& = std::string());
ServerInfo getServerInfo(const std::string&, bool = false);
ServerPrx getServer(const std::string&, bool = true);
ServerPrx getServerWithTimeouts(const std::string&, int&, int&, std::string&, bool = true);
Ice::StringSeq getAllServers(const std::string& = std::string());
Ice::StringSeq getAllNodeServers(const std::string&);
bool setAdapterDirectProxy(const std::string&, const std::string&, const Ice::ObjectPrx&);
Ice::ObjectPrx getAdapterDirectProxy(const std::string&);
void removeAdapter(const std::string&);
AdapterPrx getAdapter(const std::string&, const std::string&, bool = true);
std::vector<std::pair<std::string, AdapterPrx> > getAdapters(const std::string&, int&, bool&);
AdapterInfoSeq getAdapterInfo(const std::string&);
Ice::StringSeq getAllAdapters(const std::string& = std::string());
void addObject(const ObjectInfo&, bool = false);
void removeObject(const Ice::Identity&);
void updateObject(const Ice::ObjectPrx&);
void addOrUpdateObjectsInDatabase(const ObjectInfoSeq&);
void removeObjectsInDatabase(const ObjectInfoSeq&);
void allocateObject(const Ice::Identity&, const ObjectAllocationRequestPtr&);
void allocateObjectByType(const std::string&, const ObjectAllocationRequestPtr&);
void releaseObject(const Ice::Identity&, const SessionIPtr&);
Ice::ObjectPrx getObjectProxy(const Ice::Identity&);
Ice::ObjectPrx getObjectByType(const std::string&);
Ice::ObjectPrx getObjectByTypeOnLeastLoadedNode(const std::string&, LoadSample);
Ice::ObjectProxySeq getObjectsByType(const std::string&);
ObjectInfo getObjectInfo(const Ice::Identity&);
ObjectInfoSeq getObjectInfosByType(const std::string&);
ObjectInfoSeq getAllObjectInfos(const std::string& = std::string());
private:
void checkForAddition(const ApplicationHelper&);
void checkForUpdate(const ApplicationHelper&, const ApplicationHelper&);
void checkServerForAddition(const std::string&);
void checkAdapterForAddition(const std::string&);
void checkObjectForAddition(const Ice::Identity&);
void load(const ApplicationHelper&, ServerEntrySeq&, const std::string&, int);
void unload(const ApplicationHelper&, ServerEntrySeq&);
void reload(const ApplicationHelper&, const ApplicationHelper&, ServerEntrySeq&, const std::string&, int);
void finishUpdate(ServerEntrySeq&, const ApplicationUpdateDescriptor&, const ApplicationInfo&,
const ApplicationDescriptor&);
void checkSessionLock(AdminSessionI*);
friend struct AddComponent;
static const std::string _applicationDbName;
static const std::string _objectDbName;
static const std::string _adapterDbName;
static const std::string _replicaGroupDbName;
const Ice::CommunicatorPtr _communicator;
const Ice::ObjectAdapterPtr _internalAdapter;
const IceStorm::TopicManagerPrx _topicManager;
const std::string _envName;
const std::string _instanceName;
const TraceLevelsPtr _traceLevels;
const int _sessionTimeout;
const bool _master;
ReplicaCache _replicaCache;
NodeCache _nodeCache;
AdapterCache _adapterCache;
ObjectCache _objectCache;
AllocatableObjectCache _allocatableObjectCache;
ServerCache _serverCache;
RegistryObserverTopicPtr _registryObserverTopic;
NodeObserverTopicPtr _nodeObserverTopic;
ApplicationObserverTopicPtr _applicationObserverTopic;
AdapterObserverTopicPtr _adapterObserverTopic;
ObjectObserverTopicPtr _objectObserverTopic;
Freeze::ConnectionPtr _connection;
StringApplicationInfoDict _applications;
IdentityObjectInfoDict _objects;
StringAdapterInfoDict _adapters;
AdminSessionI* _lock;
std::string _lockUserId;
int _applicationSerial;
int _adapterSerial;
int _objectSerial;
std::set<std::string> _updating;
};
typedef IceUtil::Handle<Database> DatabasePtr;
};
#endif
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