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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 ICEGRID_TOPICS_H
#define ICEGRID_TOPICS_H
#include <IceUtil/Mutex.h>
#include <IceStorm/IceStorm.h>
#include <IceGrid/Internal.h>
#include <IceGrid/Observer.h>
#include <IceGrid/StringApplicationInfoDict.h>
#include <IceGrid/StringAdapterInfoDict.h>
#include <IceGrid/IdentityObjectInfoDict.h>
namespace IceGrid
{
class ObserverTopic : public IceUtil::Monitor<IceUtil::Mutex>, virtual public Ice::Object
{
public:
ObserverTopic(const IceStorm::TopicManagerPrx&, const std::string&);
virtual ~ObserverTopic();
void subscribe(const Ice::ObjectPrx&, const std::string& = std::string());
void unsubscribe(const Ice::ObjectPrx&, const std::string& = std::string());
void destroy();
void receivedUpdate(const std::string&, int, const std::string&);
virtual void initObserver(const Ice::ObjectPrx&) = 0;
void waitForSyncedSubscribers(int, const std::string& = std::string());
protected:
void addExpectedUpdate(int, const std::string& = std::string());
void waitForSyncedSubscribersNoSync(int, const std::string& = std::string());
void updateSerial(int);
Ice::Context getContext(int) const;
Ice::LoggerPtr _logger;
IceStorm::TopicPrx _topic;
Ice::ObjectPrx _basePublisher;
int _serial;
std::set<Ice::Identity> _subscribers;
std::set<std::string> _syncSubscribers;
std::map<int, std::set<std::string> > _waitForUpdates;
std::map<int, std::map<std::string, std::string> > _updateFailures;
};
typedef IceUtil::Handle<ObserverTopic> ObserverTopicPtr;
class RegistryObserverTopic : public ObserverTopic
{
public:
RegistryObserverTopic(const IceStorm::TopicManagerPrx&);
void registryUp(const RegistryInfo&);
void registryDown(const std::string&);
virtual void initObserver(const Ice::ObjectPrx&);
private:
const RegistryObserverPrx _publisher;
std::map<std::string, RegistryInfo> _registries;
};
typedef IceUtil::Handle<RegistryObserverTopic> RegistryObserverTopicPtr;
class NodeObserverTopic : public ObserverTopic, public NodeObserver
{
public:
NodeObserverTopic(const IceStorm::TopicManagerPrx&, const Ice::ObjectAdapterPtr&);
virtual void nodeInit(const NodeDynamicInfoSeq&, const Ice::Current&);
virtual void nodeUp(const NodeDynamicInfo&, const Ice::Current&);
virtual void nodeDown(const std::string&, const Ice::Current&);
virtual void updateServer(const std::string&, const ServerDynamicInfo&, const Ice::Current&);
virtual void updateAdapter(const std::string&, const AdapterDynamicInfo&, const Ice::Current&);
const NodeObserverPrx& getPublisher() { return _externalPublisher; }
void nodeDown(const std::string&);
virtual void initObserver(const Ice::ObjectPrx&);
private:
const NodeObserverPrx _externalPublisher;
const NodeObserverPrx _publisher;
std::map<std::string, NodeDynamicInfo> _nodes;
};
typedef IceUtil::Handle<NodeObserverTopic> NodeObserverTopicPtr;
class ApplicationObserverTopic : public ObserverTopic
{
public:
ApplicationObserverTopic(const IceStorm::TopicManagerPrx&, const StringApplicationInfoDict&);
int applicationInit(int, const ApplicationInfoSeq&);
int applicationAdded(int, const ApplicationInfo&);
int applicationRemoved(int, const std::string&);
int applicationUpdated(int, const ApplicationUpdateInfo&);
virtual void initObserver(const Ice::ObjectPrx&);
private:
const ApplicationObserverPrx _publisher;
std::map<std::string, ApplicationInfo> _applications;
};
typedef IceUtil::Handle<ApplicationObserverTopic> ApplicationObserverTopicPtr;
class AdapterObserverTopic : public ObserverTopic
{
public:
AdapterObserverTopic(const IceStorm::TopicManagerPrx&, const StringAdapterInfoDict&);
int adapterInit(const AdapterInfoSeq&);
int adapterAdded(const AdapterInfo&);
int adapterUpdated(const AdapterInfo&);
int adapterRemoved(const std::string&);
virtual void initObserver(const Ice::ObjectPrx&);
private:
const AdapterObserverPrx _publisher;
std::map<std::string, AdapterInfo> _adapters;
};
typedef IceUtil::Handle<AdapterObserverTopic> AdapterObserverTopicPtr;
class ObjectObserverTopic : public ObserverTopic
{
public:
ObjectObserverTopic(const IceStorm::TopicManagerPrx&, const IdentityObjectInfoDict&);
int objectInit(const ObjectInfoSeq&);
int objectAdded(const ObjectInfo&);
int objectUpdated(const ObjectInfo&);
int objectRemoved(const Ice::Identity&);
int objectsAddedOrUpdated(const ObjectInfoSeq&);
int objectsRemoved(const ObjectInfoSeq&);
virtual void initObserver(const Ice::ObjectPrx&);
private:
const ObjectObserverPrx _publisher;
std::map<Ice::Identity, ObjectInfo> _objects;
};
typedef IceUtil::Handle<ObjectObserverTopic> ObjectObserverTopicPtr;
};
#endif
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