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// **********************************************************************
//
// Copyright (c) 2003-2007 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 GLACIER2_SESSION_ROUTER_I_H
#define GLACIER2_SESSION_ROUTER_I_H

#include <IceUtil/Thread.h>
#include <IceUtil/Monitor.h>
#include <Ice/Ice.h>
#include <Glacier2/PermissionsVerifierF.h>
#include <Glacier2/Router.h>
#include <set>
#include <IceUtil/DisableWarnings.h>

namespace Glacier2
{

class RouterI;
typedef IceUtil::Handle<RouterI> RouterIPtr;

class SessionRouterI;
typedef IceUtil::Handle<SessionRouterI> SessionRouterIPtr;

class Authorizer : public IceUtil::Shared
{
public:

    virtual bool authorize(std::string&, const Ice::Context&) = 0;
};
typedef IceUtil::Handle<Authorizer> AuthorizerPtr;

class SessionFactory : public IceUtil::Shared
{
public:

    virtual SessionPrx create(const SessionControlPrx&, const Ice::Context&) = 0;
};
typedef IceUtil::Handle<SessionFactory> SessionFactoryPtr;

class SessionRouterI : public Router, public IceUtil::Monitor<IceUtil::Mutex>
{
public:

    SessionRouterI(const Ice::ObjectAdapterPtr&, const Ice::ObjectAdapterPtr&,
                   const PermissionsVerifierPrx&, const SessionManagerPrx&,
                   const SSLPermissionsVerifierPrx&, const SSLSessionManagerPrx&);
    virtual ~SessionRouterI();
    void destroy();

    virtual Ice::ObjectPrx getClientProxy(const Ice::Current&) const;
    virtual Ice::ObjectPrx getServerProxy(const Ice::Current&) const;
    virtual void addProxy(const Ice::ObjectPrx&, const Ice::Current&);
    virtual Ice::ObjectProxySeq addProxies(const Ice::ObjectProxySeq&, const Ice::Current&);
    virtual std::string getCategoryForClient(const Ice::Current&) const;
    virtual SessionPrx createSession(const std::string&, const std::string&, const Ice::Current&);
    virtual SessionPrx createSessionFromSecureConnection(const Ice::Current&);
    virtual void destroySession(const ::Ice::Current&);
    virtual Ice::Long getSessionTimeout(const ::Ice::Current&) const;

    RouterIPtr getRouter(const Ice::ConnectionPtr&, const Ice::Identity&) const;    
    RouterIPtr getRouter(const std::string&) const;    
    
    void expireSessions();

    void destroySession(const ::Ice::ConnectionPtr&);

private:

    SessionPrx createSessionInternal(const std::string&, bool, const AuthorizerPtr&, const SessionFactoryPtr&,
                                     const Ice::Context&, const Ice::Current&);

    const Ice::PropertiesPtr _properties;
    const Ice::LoggerPtr _logger;
    const int _sessionTraceLevel;
    const int _rejectTraceLevel;
    const Ice::ObjectAdapterPtr _clientAdapter;
    const Ice::ObjectAdapterPtr _serverAdapter;
    const PermissionsVerifierPrx _verifier;
    const SessionManagerPrx _sessionManager;
    const SSLPermissionsVerifierPrx _sslVerifier;
    const SSLSessionManagerPrx _sslSessionManager;
    const IceUtil::Time _sessionTimeout;

    class SessionThread : public IceUtil::Thread, public IceUtil::Monitor<IceUtil::Mutex>
    {
    public:

        SessionThread(const SessionRouterIPtr&, const IceUtil::Time&);
        virtual ~SessionThread();
        void destroy();

        virtual void run();

    private:

        SessionRouterIPtr _sessionRouter;
        const IceUtil::Time _sessionTimeout;
    };
    typedef IceUtil::Handle<SessionThread> SessionThreadPtr;
    SessionThreadPtr _sessionThread;

    std::map<Ice::ConnectionPtr, RouterIPtr> _routersByConnection;
    mutable std::map<Ice::ConnectionPtr, RouterIPtr>::iterator _routersByConnectionHint;

    std::map<std::string, RouterIPtr> _routersByCategory;
    mutable std::map<std::string, RouterIPtr>::iterator _routersByCategoryHint;

    std::set<Ice::ConnectionPtr> _pending;

    bool _destroy;
};

}

#endif