/////////////////////////////////////////////////////////////////////////////
// Name: sckipc.h
-// Purpose: Interprocess communication
-// Author: Julian Smart/Guilhem Lavaux (big rewrite)
-// Modified by: Guilhem Lavaux 1997
+// Purpose: Interprocess communication implementation (wxSocket version)
+// Author: Julian Smart
+// Modified by: Guilhem Lavaux (big rewrite) May 1997, 1998
+// Guillermo Rodriguez (updated for wxSocket v2) Jan 2000
+// (callbacks deprecated) Mar 2000
// Created: 1993
// RCS-ID: $Id$
-// Copyright: (c) 1993 Julian Smart
-// (c) 1997, 1998 Guilhem Lavaux
-// Licence: wxWindows license
+// Copyright: (c) Julian Smart 1993
+// (c) Guilhem Lavaux 1997, 1998
+// (c) 2000 Guillermo Rodriguez <guille@iies.es>
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+
#ifndef _WX_SCKIPC_H
#define _WX_SCKIPC_H
-#ifdef __GNUG__
-#pragma interface
-#endif
-
#include "wx/defs.h"
-#include "wx/setup.h"
+
+#if wxUSE_SOCKETS && wxUSE_IPC
+
#include "wx/ipcbase.h"
#include "wx/socket.h"
#include "wx/sckstrm.h"
*
*/
-class wxTCPServer;
-class wxTCPClient;
-class wxTCPConnection: public wxConnectionBase
+class WXDLLIMPEXP_FWD_NET wxTCPServer;
+class WXDLLIMPEXP_FWD_NET wxTCPClient;
+
+class wxIPCSocketStreams;
+
+class WXDLLIMPEXP_NET wxTCPConnection : public wxConnectionBase
{
- DECLARE_DYNAMIC_CLASS(wxTCPConnection)
+public:
+ wxTCPConnection() { Init(); }
+ wxTCPConnection(void *buffer, size_t size)
+ : wxConnectionBase(buffer, size)
+ {
+ Init();
+ }
+
+ virtual ~wxTCPConnection();
+
+ // implement base class pure virtual methods
+ virtual const void *Request(const wxString& item,
+ size_t *size = NULL,
+ wxIPCFormat format = wxIPC_TEXT);
+ virtual bool StartAdvise(const wxString& item);
+ virtual bool StopAdvise(const wxString& item);
+ virtual bool Disconnect(void);
+
+ // Will be used in the future to enable the compression but does nothing
+ // for now.
+ void Compress(bool on);
+
protected:
- wxSocketBase *m_sock;
- wxSocketStream *m_sockstrm;
- wxDataInputStream *m_codeci;
- wxDataOutputStream *m_codeco;
- wxString m_topic;
-
- friend class wxTCPServer;
- friend class wxTCPClient;
- friend void Client_OnRequest(wxSocketBase&,
- wxSocketNotify, char *);
- friend void Server_OnRequest(wxSocketServer&,
- wxSocketNotify, char *);
-public:
+ virtual bool DoExecute(const void *data, size_t size, wxIPCFormat format);
+ virtual bool DoPoke(const wxString& item, const void *data, size_t size,
+ wxIPCFormat format);
+ virtual bool DoAdvise(const wxString& item, const void *data, size_t size,
+ wxIPCFormat format);
- wxTCPConnection(char *buffer, int size);
- wxTCPConnection();
- virtual ~wxTCPConnection();
- // Calls that CLIENT can make
- bool Execute(wxChar *data, int size = -1,
- wxIPCFormat format = wxIPC_TEXT);
- char *Request(const wxString& item, int *size = NULL,
- wxIPCFormat format = wxIPC_TEXT);
- bool Poke(const wxString& item, wxChar *data, int size = -1,
- wxIPCFormat format = wxIPC_TEXT);
- bool StartAdvise(const wxString& item);
- bool StopAdvise(const wxString& item);
+ // notice that all the members below are only initialized once the
+ // connection is made, i.e. in MakeConnection() for the client objects and
+ // after OnAcceptConnection() in the server ones
- // Calls that SERVER can make
- bool Advise(const wxString& item, wxChar *data, int size = -1,
- wxIPCFormat format = wxIPC_TEXT);
+ // the underlying socket (wxSocketClient for IPC client and wxSocketServer
+ // for IPC server)
+ wxSocketBase *m_sock;
- // Calls that both can make
- bool Disconnect();
+ // various streams that we use
+ wxIPCSocketStreams *m_streams;
- // Called when we lost the peer.
- bool OnDisconnect() { return TRUE; }
+ // the topic of this connection
+ wxString m_topic;
- // To enable the compressor
- void Compress(bool on);
private:
- // to prevent virtual function hiding warnings
- virtual bool Execute(const wxString& str) { return(wxConnectionBase::Execute(str)); };
+ // common part of both ctors
+ void Init();
+
+ friend class wxTCPServer;
+ friend class wxTCPClient;
+ friend class wxTCPEventHandler;
+
+ wxDECLARE_NO_COPY_CLASS(wxTCPConnection);
+ DECLARE_DYNAMIC_CLASS(wxTCPConnection)
};
-class wxTCPServer: public wxServerBase
+class WXDLLIMPEXP_NET wxTCPServer : public wxServerBase
{
- DECLARE_DYNAMIC_CLASS(wxTCPServer)
-
public:
- wxTCPConnection *topLevelConnection;
+ wxTCPServer();
+ virtual ~wxTCPServer();
- wxTCPServer();
- virtual ~wxTCPServer();
+ // Returns false on error (e.g. port number is already in use)
+ virtual bool Create(const wxString& serverName);
- // Returns FALSE if can't create server (e.g. port number is already in use)
- virtual bool Create(const wxString& server_name);
- virtual wxConnectionBase *OnAcceptConnection(const wxString& topic);
+ virtual wxConnectionBase *OnAcceptConnection(const wxString& topic);
+
+protected:
+ wxSocketServer *m_server;
+
+#ifdef __UNIX_LIKE__
+ // the name of the file associated to the Unix domain socket, may be empty
+ wxString m_filename;
+#endif // __UNIX_LIKE__
+
+ wxDECLARE_NO_COPY_CLASS(wxTCPServer);
+ DECLARE_DYNAMIC_CLASS(wxTCPServer)
};
-class wxTCPClient: public wxClientBase
+class WXDLLIMPEXP_NET wxTCPClient : public wxClientBase
{
- DECLARE_DYNAMIC_CLASS(wxTCPClient)
-
public:
- wxTCPClient();
- virtual ~wxTCPClient();
-
- virtual bool ValidHost(const wxString& host);
- // Call this to make a connection.
- // Returns NULL if cannot.
- virtual wxConnectionBase *MakeConnection(const wxString& host,
- const wxString& server,
- const wxString& topic);
-
- // Tailor this to return own connection.
- virtual wxConnectionBase *OnMakeConnection();
+ wxTCPClient();
+
+ virtual bool ValidHost(const wxString& host);
+
+ // Call this to make a connection. Returns NULL if cannot.
+ virtual wxConnectionBase *MakeConnection(const wxString& host,
+ const wxString& server,
+ const wxString& topic);
+
+ // Callbacks to CLIENT - override at will
+ virtual wxConnectionBase *OnMakeConnection();
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxTCPClient)
};
-#endif // ipcsock.h
+#endif // wxUSE_SOCKETS && wxUSE_IPC
+
+#endif // _WX_SCKIPC_H
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