Initial revision

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/ipcbase.h

@@ -0,0 +1,93 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        ipcbase.h
+// Purpose:     Base classes for IPC
+// Author:      Julian Smart
+// Modified by:
+// Created:     4/1/98
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart and Markus Holzem
+// Licence:   	wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef __IPCBASEH__
+#define __IPCBASEH__
+
+#include "wx/defs.h"
+#include "wx/object.h"
+#include "wx/string.h"
+
+class WXDLLEXPORT wxDDEServerBase;
+class WXDLLEXPORT wxDDEClientBase;
+
+class WXDLLEXPORT wxConnectionBase: public wxObject
+{
+  DECLARE_CLASS(wxConnectionBase)
+ public:
+  inline wxConnectionBase(void) {}
+  inline ~wxConnectionBase(void) {}
+
+  // Calls that CLIENT can make
+  virtual bool Execute(char *data, int size = -1, int format = wxCF_TEXT) = 0;
+  virtual bool Execute(const wxString& str) { return Execute((char *)(const char *)str, -1, wxCF_TEXT); }
+  virtual char *Request(const wxString& item, int *size = NULL, int format = wxCF_TEXT) = 0;
+  virtual bool Poke(const wxString& item, char *data, int size = -1, int format = wxCF_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, char *data, int size = -1, int format = wxCF_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), 
+                          int WXUNUSED(format) ) { return FALSE; };
+  virtual char *OnRequest( const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item), 
+                           int *WXUNUSED(size), int WXUNUSED(format) ) { return NULL; };
+  virtual bool OnPoke( const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item), char *WXUNUSED(data), 
+		       int WXUNUSED(size), int 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), int WXUNUSED(format) ) { return FALSE; };
+
+  // Callbacks to BOTH
+
+  // 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) {};
+  virtual bool Create(const wxString& serverName) = 0; // Returns FALSE if can't create server (e.g. port
+                                  // number is already in use)
+  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;
+  virtual wxConnectionBase *MakeConnection(const wxString& host, const wxString& server, const wxString& topic) = 0;
+                                                // Call this to make a connection.
+                                                // Returns NULL if cannot.
+  virtual wxConnectionBase *OnMakeConnection(void) = 0; // Tailor this to return own connection.
+
+};
+
+#endif
+    // __IPCBASEH__