// Modified by:
// Created: 4/1/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_IPCBASEH__
#define _WX_IPCBASEH__
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "ipcbase.h"
#endif
wxIPC_PRIVATE = 20
};
-class WXDLLEXPORT wxDDEServerBase;
-class WXDLLEXPORT wxDDEClientBase;
+class WXDLLIMPEXP_BASE wxServerBase;
+class WXDLLIMPEXP_BASE wxClientBase;
-class WXDLLEXPORT wxConnectionBase: public wxObject
+class WXDLLIMPEXP_BASE wxConnectionBase: public wxObject
{
DECLARE_CLASS(wxConnectionBase)
- public:
- inline wxConnectionBase(void) {}
- inline ~wxConnectionBase(void) {}
+
+public:
+ wxConnectionBase(wxChar *buffer, int size); // use external buffer
+ wxConnectionBase(); // use internal, adaptive buffer
+ wxConnectionBase(wxConnectionBase& copy);
+ ~wxConnectionBase(void);
+
+ void SetConnected( bool c ) { m_connected = c; }
+ bool GetConnected() { return m_connected; }
// Calls that CLIENT can make
- virtual bool Execute(wxChar *data, int size = -1, wxIPCFormat format = wxIPC_TEXT ) = 0;
- virtual bool Execute(const wxString& str) { return Execute(WXSTRINGCAST str, -1, wxIPC_TEXT); }
- virtual char *Request(const wxString& item, int *size = (int *) NULL, wxIPCFormat format = wxIPC_TEXT) = 0;
+ 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;
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 wxChar *OnRequest( const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item),
- int *WXUNUSED(size), int WXUNUSED(format) ) { return (wxChar *) NULL; };
- virtual bool OnPoke( const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item), wxChar *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; };
+ 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), int WXUNUSED(format) ) { return FALSE; };
+ 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;
- // Callbacks to BOTH
+ // 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 );
- // Default behaviour is to delete connection and return TRUE
- virtual bool OnDisconnect(void) = 0;
+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 WXDLLEXPORT wxServerBase: public wxObject
+
+class WXDLLIMPEXP_BASE wxServerBase: public wxObject
{
DECLARE_CLASS(wxServerBase)
- public:
+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;
+ 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
+class WXDLLIMPEXP_BASE wxClientBase: public wxObject
{
DECLARE_CLASS(wxClientBase)
- public:
- inline wxClientBase(void) {};
- inline ~wxClientBase(void) {};
+
+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.
+ // 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
projects / wxWidgets.git / blobdiff