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/*
* The Unix Channel
*
* by Michel Beaudouin-Lafon
*
* Copyright 1990-1993
* Laboratoire de Recherche en Informatique (LRI)
*
* Text-oriented servers
*
* $Id$
* $CurLog$
*/
#ifndef TextServer_H_
#define TextServer_H_
#include "TextStream.h"
#include "ccu/List.h"
class UchTextClient;
class UchTextServer;
class UchBaseMultiplexer;
/* a function that instantiates clients */
typedef UchTextClient* (*fNEW_CLIENT) (UchTextServer*);
class UchTextServer : public UchStream {
friend class UchTextClient;
friend class UchTextServerTimer;
protected:
UchTextServerTimer* Timer; // periodic registration with port server
bool ok; // true if initialized
#ifndef CPLUS_BUG19
CcuListOf <UchTextClient> Clients; // Clients created by this server
#else
CcuList Clients; // Clients created by this server
#endif
const char* service; // name of service in portserv
fNEW_CLIENT newClient; // function that creates the client
void Remove (UchTextClient*); // called from UchTextClient
void HandleRead ();
public:
UchTextServer (const char*, fNEW_CLIENT);
~UchTextServer ();
bool Ok () const { return ok; }
bool Init (UchBaseMultiplexer&); // initialize the communication stuff
void Quit (); // close the server and its connections
UchTextClient* CreateClient (int);
};
PointerClass (pUchTextServer, UchTextServer)
class UchTextClient : public UchTextStream {
friend class UchTextServer;
protected:
pUchTextServer MyServer; // who created me
bool sendToOut; // whether to use alternate output
pUchChannel out; // alternate output
UchTextClient (UchTextServer*); // called by UchTextServer::HandleRead
~UchTextClient (); // called by UchMultiplexer::Remove
virtual void Starting (); // called by UchTextServer
virtual void Closing (bool); // called by UchTextServer
virtual void Quitting (); // called by UchTextServer
void DoSend ();
cmd_res Execute (const UchTextLine&) = 0;
public:
void Close (); // 'close' request
void Quit (); // 'quit' request
void SetOutput (UchChannel*);
void ResetOutput ();
UchChannel* GetOutput () { if (sendToOut) return out; else return this; }
};
#endif /*TextServer_H_*/
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