0d3820b348
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@176 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
98 lines
3.7 KiB
C++
98 lines
3.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: ipcbase.h
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// Purpose: Base classes for IPC
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// Author: Julian Smart
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// Modified by:
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// Created: 4/1/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __IPCBASEH__
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#define __IPCBASEH__
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#ifdef __GNUG__
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#pragma interface "ipcbase.h"
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#endif
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#include "wx/defs.h"
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#include "wx/object.h"
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#include "wx/string.h"
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class WXDLLEXPORT wxDDEServerBase;
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class WXDLLEXPORT wxDDEClientBase;
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class WXDLLEXPORT wxConnectionBase: public wxObject
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{
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DECLARE_CLASS(wxConnectionBase)
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public:
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inline wxConnectionBase(void) {}
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inline ~wxConnectionBase(void) {}
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// Calls that CLIENT can make
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virtual bool Execute(char *data, int size = -1, int format = wxCF_TEXT) = 0;
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virtual bool Execute(const wxString& str) { return Execute((char *)(const char *)str, -1, wxCF_TEXT); }
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virtual char *Request(const wxString& item, int *size = NULL, int format = wxCF_TEXT) = 0;
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virtual bool Poke(const wxString& item, char *data, int size = -1, int format = wxCF_TEXT) = 0;
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virtual bool StartAdvise(const wxString& item) = 0;
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virtual bool StopAdvise(const wxString& item) = 0;
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// Calls that SERVER can make
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virtual bool Advise(const wxString& item, char *data, int size = -1, int format = wxCF_TEXT) = 0;
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// Calls that both can make
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virtual bool Disconnect(void) = 0;
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// Callbacks to SERVER - override at will
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virtual bool OnExecute( const wxString& WXUNUSED(topic), char *WXUNUSED(data), int WXUNUSED(size),
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int WXUNUSED(format) ) { return FALSE; };
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virtual char *OnRequest( const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item),
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int *WXUNUSED(size), int WXUNUSED(format) ) { return NULL; };
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virtual bool OnPoke( const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item), char *WXUNUSED(data),
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int WXUNUSED(size), int WXUNUSED(format) ) { return FALSE; };
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virtual bool OnStartAdvise( const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item) )
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{ return FALSE; };
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virtual bool OnStopAdvise( const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item) )
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{ return FALSE; };
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// Callbacks to CLIENT - override at will
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virtual bool OnAdvise( const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item), char *WXUNUSED(data),
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int WXUNUSED(size), int WXUNUSED(format) ) { return FALSE; };
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// Callbacks to BOTH
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// Default behaviour is to delete connection and return TRUE
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virtual bool OnDisconnect(void) = 0;
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};
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class WXDLLEXPORT wxServerBase: public wxObject
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{
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DECLARE_CLASS(wxServerBase)
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public:
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inline wxServerBase(void) {}
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inline ~wxServerBase(void) {};
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virtual bool Create(const wxString& serverName) = 0; // Returns FALSE if can't create server (e.g. port
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// number is already in use)
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virtual wxConnectionBase *OnAcceptConnection(const wxString& topic) = 0;
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};
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class WXDLLEXPORT wxClientBase: public wxObject
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{
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DECLARE_CLASS(wxClientBase)
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public:
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inline wxClientBase(void) {};
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inline ~wxClientBase(void) {};
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virtual bool ValidHost(const wxString& host) = 0;
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virtual wxConnectionBase *MakeConnection(const wxString& host, const wxString& server, const wxString& topic) = 0;
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// Call this to make a connection.
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// Returns NULL if cannot.
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virtual wxConnectionBase *OnMakeConnection(void) = 0; // Tailor this to return own connection.
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};
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#endif
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// __IPCBASEH__
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