client.h

/*
  Copyright (c) 2004-2008 by Jakob Schroeter <js@camaya.net>
  This file is part of the gloox library. http://camaya.net/gloox

  This software is distributed under a license. The full license
  agreement can be found in the file LICENSE in this distribution.
  This software may not be copied, modified, sold or distributed
  other than expressed in the named license agreement.

  This software is distributed without any warranty.
*/


#ifndef CLIENT_H__
#define CLIENT_H__

#include "clientbase.h"
#include "presence.h"

#include <string>

namespace gloox
{

  class Capabilities;
  class RosterManager;
  class NonSaslAuth;
  class IQ;

  class GLOOX_API Client : public ClientBase
  {
    public:

      friend class NonSaslAuth;
      friend class Parser;

      Client( const std::string& server );

      Client( const JID& jid, const std::string& password, int port = -1 );

      virtual ~Client();

      bool bindResource( const std::string& resource )
        { return bindOperation( resource, true ); }

      bool selectResource( const std::string& resource );

      bool hasResourceBind() const { return m_streamFeatures & StreamFeatureUnbind; }

      bool unbindResource( const std::string& resource )
        { return bindOperation( resource, false ); }

      const std::string& resource() const { return m_jid.resource(); }

      int priority() const { return m_priority; }

      void setUsername( const std::string &username );

      void setResource( const std::string &resource ) { m_jid.setResource( resource ); }

      void setPresence( const JID& to, Presence::PresenceType pres, int priority,
                        const std::string& status = EmptyString );

      void setPresence( Presence::PresenceType pres, int priority,
                        const std::string& status = EmptyString );

      void setPresence() { sendPresence( m_presence ); }

      Presence& presence() { return m_presence; }

      GLOOX_DEPRECATED void setForceNonSasl( bool force = true ) { m_forceNonSasl = force; }

      void disableRoster();

      RosterManager* rosterManager() { return m_rosterManager; }

      void disconnect();

    protected:
      void nonSaslLogin();

    private:
      class ResourceBind : public StanzaExtension
      {

        public:
          ResourceBind( const std::string& resource, bool bind = true );

          ResourceBind( const Tag* tag );

          ~ResourceBind();

          const std::string& resource() const { return m_resource; }

          const JID& jid() const { return m_jid; }

          bool unbind() const { return !m_bind; }

          // reimplemented from StanzaExtension
          virtual const std::string& filterString() const;

         // reimplemented from StanzaExtension
          virtual StanzaExtension* newInstance( const Tag* tag ) const
          {
            return new ResourceBind( tag );
          }

          // reimplemented from StanzaExtension
          virtual Tag* tag() const;

        private:
          std::string m_resource;
          JID m_jid;
          bool m_bind;
      };

      class SessionCreation : public StanzaExtension
      {

        public:
          SessionCreation() : StanzaExtension( ExtSessionCreation ) {}

          ~SessionCreation() {}

          // reimplemented from StanzaExtension
          virtual const std::string& filterString() const { return EmptyString; }

          // reimplemented from StanzaExtension
          virtual StanzaExtension* newInstance( const Tag* tag ) const
            { (void)tag; return 0; }

          // reimplemented from StanzaExtension
          virtual Tag* tag() const;

      };

      virtual void handleStartNode() {}
      virtual bool handleNormalNode( Tag* tag );
      virtual void disconnect( ConnectionError reason );
      virtual void handleIqIDForward( const IQ& iq, int context );

      int getStreamFeatures( Tag* tag );
      int getSaslMechs( Tag* tag );
      int getCompressionMethods( Tag* tag );
      void processResourceBind( const IQ& iq );
      void processCreateSession( const IQ& iq );
      void sendPresence( const Presence& pres );
      void createSession();
      void negotiateCompression( StreamFeature method );
      void connected();
      virtual void rosterFilled();
      virtual void cleanup();
      bool bindOperation( const std::string& resource, bool bind );

      void init();

      enum TrackContext
      {
        CtxResourceBind = 1000,  // must be higher than the last element in ClientBase's TrackContext
        CtxResourceUnbind,
        CtxSessionEstablishment
      };

      RosterManager* m_rosterManager;
      NonSaslAuth* m_auth;

      Presence m_presence;

      bool m_resourceBound;
      bool m_forceNonSasl;
      bool m_manageRoster;
      bool m_doAuth;

      int m_streamFeatures;
      int m_priority;

  };

}

#endif // CLIENT_H__

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