http://code.google.com/p/rpcs3/source/detail?r=44

wxWidgets/include/wx/ipcbase.h

@@ -0,0 +1,163 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        ipcbase.h
+// Purpose:     Base classes for IPC
+// Author:      Julian Smart
+// Modified by:
+// Created:     4/1/98
+// RCS-ID:      $Id: ipcbase.h 53135 2008-04-12 02:31:04Z VZ $
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_IPCBASEH__
+#define _WX_IPCBASEH__
+
+#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 WXDLLIMPEXP_FWD_BASE wxServerBase;
+class WXDLLIMPEXP_FWD_BASE wxClientBase;
+
+class WXDLLIMPEXP_BASE wxConnectionBase: public wxObject
+{
+  DECLARE_CLASS(wxConnectionBase)
+
+public:
+  wxConnectionBase(wxChar *buffer, int size); // use external buffer
+  wxConnectionBase(); // use internal, adaptive buffer
+  wxConnectionBase(const wxConnectionBase& copy);
+  virtual ~wxConnectionBase(void);
+
+  void SetConnected( bool c ) { m_connected = c; }
+  bool GetConnected() { return m_connected; }
+
+  // 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 wxChar *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),
+                               wxChar *WXUNUSED(data),
+                               int WXUNUSED(size),
+                               wxIPCFormat WXUNUSED(format) )
+                             { return false; }
+
+  virtual wxChar *OnRequest    ( const wxString& WXUNUSED(topic),
+                               const wxString& WXUNUSED(item),
+                               int *WXUNUSED(size),
+                               wxIPCFormat WXUNUSED(format) )
+                             { return (wxChar *) 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),
+                               wxChar *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;
+
+  // return a buffer at least this size, reallocating buffer if needed
+  // returns NULL if using an inadequate user buffer - it can't be resized
+  wxChar *      GetBufferAtLeast( size_t bytes );
+
+protected:
+  bool          m_connected;
+private:
+  wxChar *      m_buffer;
+  size_t        m_buffersize;
+  bool          m_deletebufferwhendone;
+
+  // can't use DECLARE_NO_COPY_CLASS(wxConnectionBase) because we already
+  // have copy ctor but still forbid the default assignment operator
+  wxConnectionBase& operator=(const wxConnectionBase&);
+};
+
+
+class WXDLLIMPEXP_BASE 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 WXDLLIMPEXP_BASE 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__