Message.hxx

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#ifndef RESIP_Message_hxx
#define RESIP_Message_hxx 

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "rutil/Data.hxx"
#include <iosfwd>
#include "rutil/resipfaststreams.hxx"

namespace resip
{
class TransactionUser;

class Message 
{
   public:
      Message();
      virtual ~Message() {}

      class Brief
      {
         public:
            Brief(const Message& src);
            const Message& mSource;
      };

      Brief brief() const;
      virtual Message* clone() const = 0;
      virtual EncodeStream& encode(EncodeStream& strm) const = 0;
      virtual EncodeStream& encodeBrief(EncodeStream& str) const = 0; 

   protected:
      friend class TuSelector;
      friend class TransactionController;
      friend class TransactionState;
      friend class SipStack;
      bool hasTransactionUser() const { return mTu != 0; }
      void setTransactionUser(TransactionUser* t) { mTu = t; }
      TransactionUser* getTransactionUser() { return mTu; }
      TransactionUser* mTu;      
};

//always need std streams where things are encoded to cout, cerr, MD5Stream, etc...
#ifndef  RESIP_USE_STL_STREAMS
EncodeStream& 
operator<<(EncodeStream& strm, const Message& msg);

EncodeStream& 
operator<<(EncodeStream& strm, const Message::Brief& brief);
#endif

std::ostream& 
operator<<(std::ostream& strm, const Message& msg);

std::ostream& 
operator<<(std::ostream& strm, const Message::Brief& brief);

}

#endif

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