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/*
* The Unix Channel
*
* by Michel Beaudouin-Lafon
*
* Copyright 1990-1993
* Laboratoire de Recherche en Informatique (LRI)
*
* Client side: services
*
* $Id$
* $CurLog$
*/
#ifndef Service_H_
#define Service_H_
#include "Message.h"
#include "MsgStream.h"
#include "error.h"
#include "cplus_bugs.h"
#include "ccu/List.h"
class UchService;
// class for storing and retrieving events
//
class UchMsgQueue : public CcuSmartData {
protected:
#ifndef CPLUS_BUG19
CcuListOf <UchMessage> Queue;
#else
CcuList Queue;
#endif
public:
UchMsgQueue ();
~UchMsgQueue ();
inline void Put (UchMessage* m) { Queue.Append (m); }
#ifndef CPLUS_BUG19
inline UchMessage* Peek () { return Queue.First (); }
inline UchMessage* Get () { return Queue.RemoveFirst (); }
#else
inline UchMessage* Peek () { return (UchMessage*) Queue.First (); }
inline UchMessage* Get () { return (UchMessage*) Queue.RemoveFirst (); }
#endif
inline void PutBack (UchMessage* m) { Queue.Prepend (m); }
#ifndef CPLUS_BUG19
inline operator const CcuListOf <UchMessage>& () const { return Queue; }
#else
inline operator const CcuList& () const { return Queue; }
#endif
};
PointerClass (pUchMsgQueue, UchMsgQueue)
// UchService is the client's view of a server
// we use smart pointers so that the event queue can be shared
//
class UchService : public UchMsgStream {
protected:
pUchMsgQueue EvQueue;
public:
UchService ();
UchService (UchAddress*);
UchService (const UchService&);
~UchService ();
UchChannel* Copy () const;
void SetEvQueue (UchMsgQueue*);
UchMessage* PeekEvent (bool = TRUE);
UchMessage* GetEvent (bool = TRUE);
void PutEvent (UchMessage*);
void PutBackEvent (UchMessage*);
};
#endif /* Service_H_ */
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