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/////////////////////////////////////////////////////////////////////////////
// Name: ipcbase.h
// Purpose: Base classes for IPC
// Author: Julian Smart
// Modified by:
// Created: 4/1/98
// RCS-ID: $Id: ipcbase.h,v 1.11.2.1 2000/03/21 20:34:06 GRG Exp $
// Copyright: (c) Julian Smart and Markus Holzem
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_IPCBASEH__
#define _WX_IPCBASEH__
#ifdef __GNUG__
#pragma interface "ipcbase.h"
#endif
#include "wx/defs.h"
#include "wx/object.h"
#include "wx/string.h"
enum wxIPCFormat
{
wxIPC_INVALID = 0,
wxIPC_TEXT = 1, /* CF_TEXT */
wxIPC_BITMAP = 2, /* CF_BITMAP */
wxIPC_METAFILE = 3, /* CF_METAFILEPICT */
wxIPC_SYLK = 4,
wxIPC_DIF = 5,
wxIPC_TIFF = 6,
wxIPC_OEMTEXT = 7, /* CF_OEMTEXT */
wxIPC_DIB = 8, /* CF_DIB */
wxIPC_PALETTE = 9,
wxIPC_PENDATA = 10,
wxIPC_RIFF = 11,
wxIPC_WAVE = 12,
wxIPC_UNICODETEXT = 13,
wxIPC_ENHMETAFILE = 14,
wxIPC_FILENAME = 15, /* CF_HDROP */
wxIPC_LOCALE = 16,
wxIPC_PRIVATE = 20
};
class WXDLLEXPORT wxServerBase;
class WXDLLEXPORT wxClientBase;
class WXDLLEXPORT wxConnectionBase: public wxObject
{
DECLARE_CLASS(wxConnectionBase)
public:
inline wxConnectionBase(void) {}
inline ~wxConnectionBase(void) {}
// Calls that CLIENT can make
virtual bool Execute(const wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT ) = 0;
virtual bool Execute(const wxString& str) { return Execute(str, -1, wxIPC_TEXT); }
virtual char *Request(const wxString& item, int *size = (int *) NULL, wxIPCFormat format = wxIPC_TEXT) = 0;
virtual bool Poke(const wxString& item, wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT) = 0;
virtual bool StartAdvise(const wxString& item) = 0;
virtual bool StopAdvise(const wxString& item) = 0;
// Calls that SERVER can make
virtual bool Advise(const wxString& item, wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT) = 0;
// Calls that both can make
virtual bool Disconnect(void) = 0;
// Callbacks to SERVER - override at will
virtual bool OnExecute ( const wxString& WXUNUSED(topic),
char *WXUNUSED(data),
int WXUNUSED(size),
wxIPCFormat WXUNUSED(format) )
{ return FALSE; };
virtual char *OnRequest ( const wxString& WXUNUSED(topic),
const wxString& WXUNUSED(item),
int *WXUNUSED(size),
wxIPCFormat WXUNUSED(format) )
{ return (char *) NULL; };
virtual bool OnPoke ( const wxString& WXUNUSED(topic),
const wxString& WXUNUSED(item),
wxChar *WXUNUSED(data),
int WXUNUSED(size),
wxIPCFormat WXUNUSED(format) )
{ return FALSE; };
virtual bool OnStartAdvise ( const wxString& WXUNUSED(topic),
const wxString& WXUNUSED(item) )
{ return FALSE; };
virtual bool OnStopAdvise ( const wxString& WXUNUSED(topic),
const wxString& WXUNUSED(item) )
{ return FALSE; };
// Callbacks to CLIENT - override at will
virtual bool OnAdvise ( const wxString& WXUNUSED(topic),
const wxString& WXUNUSED(item),
char *WXUNUSED(data),
int WXUNUSED(size),
wxIPCFormat WXUNUSED(format) )
{ return FALSE; };
// Callbacks to BOTH - override at will
// Default behaviour is to delete connection and return TRUE
virtual bool OnDisconnect(void) = 0;
};
class WXDLLEXPORT wxServerBase: public wxObject
{
DECLARE_CLASS(wxServerBase)
public:
inline wxServerBase(void) {}
inline ~wxServerBase(void) {};
// Returns FALSE on error (e.g. port number is already in use)
virtual bool Create(const wxString& serverName) = 0;
// Callbacks to SERVER - override at will
virtual wxConnectionBase *OnAcceptConnection(const wxString& topic) = 0;
};
class WXDLLEXPORT wxClientBase: public wxObject
{
DECLARE_CLASS(wxClientBase)
public:
inline wxClientBase(void) {};
inline ~wxClientBase(void) {};
virtual bool ValidHost(const wxString& host) = 0;
// Call this to make a connection. Returns NULL if cannot.
virtual wxConnectionBase *MakeConnection(const wxString& host,
const wxString& server,
const wxString& topic) = 0;
// Callbacks to CLIENT - override at will
virtual wxConnectionBase *OnMakeConnection(void) = 0;
};
#endif
// _WX_IPCBASEH__
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