added wxWeakRef<T> (slightly modified patch 1860953)

[wxWidgets.git] / include / wx / socket.h

diff --git a/include/wx/socket.h b/include/wx/socket.h
index 9103aeb2f233fed449d2d881063cfdf9fd902776..5e9e687b3ec3d88c75d96c12ffb5dec7c0fed236 100644 (file)
--- a/include/wx/socket.h
+++ b/include/wx/socket.h
@@ -1,7 +1,7 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        socket.h
 // Purpose:     Socket handling classes
 /////////////////////////////////////////////////////////////////////////////
 // Name:        socket.h
 // Purpose:     Socket handling classes

-// Author:      Guilhem Lavaux
+// Authors:     Guilhem Lavaux, Guillermo Rodriguez Garcia

 // Modified by:
 // Created:     April 1997
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     April 1997
 // RCS-ID:      $Id$


@@ -9,42 +9,36 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifndef _WX_NETWORK_SOCKET_H
-#define _WX_NETWORK_SOCKET_H
-
-#ifdef __GNUG__
-#pragma interface "socket.h"
-#endif
+#ifndef _WX_SOCKET_H_
+#define _WX_SOCKET_H_

 
 #include "wx/defs.h"
 
 #if wxUSE_SOCKETS
 
 // ---------------------------------------------------------------------------
 
 #include "wx/defs.h"
 
 #if wxUSE_SOCKETS
 
 // ---------------------------------------------------------------------------

-// wxSocket headers (generic)
+// wxSocket headers

 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------

-#ifdef WXPREC
-#  include "wx/wxprec.h"
-#else
-#  include "wx/event.h"
-#  include "wx/string.h"
-#endif

 
 

+#include "wx/event.h"

 #include "wx/sckaddr.h"
 #include "wx/gsocket.h"
 #include "wx/sckaddr.h"
 #include "wx/gsocket.h"

+#include "wx/list.h"

 
 // ------------------------------------------------------------------------
 
 // ------------------------------------------------------------------------

-// GSocket type alias
+// Types and constants

 // ------------------------------------------------------------------------
 
 // ------------------------------------------------------------------------
 

-typedef enum {
+enum wxSocketNotify
+{

   wxSOCKET_INPUT = GSOCK_INPUT,
   wxSOCKET_OUTPUT = GSOCK_OUTPUT,
   wxSOCKET_CONNECTION = GSOCK_CONNECTION,
   wxSOCKET_LOST = GSOCK_LOST
   wxSOCKET_INPUT = GSOCK_INPUT,
   wxSOCKET_OUTPUT = GSOCK_OUTPUT,
   wxSOCKET_CONNECTION = GSOCK_CONNECTION,
   wxSOCKET_LOST = GSOCK_LOST

-} wxSocketNotify;
+};

 
 

-enum {
+enum
+{

   wxSOCKET_INPUT_FLAG = GSOCK_INPUT_FLAG,
   wxSOCKET_OUTPUT_FLAG = GSOCK_OUTPUT_FLAG,
   wxSOCKET_CONNECTION_FLAG = GSOCK_CONNECTION_FLAG,
   wxSOCKET_INPUT_FLAG = GSOCK_INPUT_FLAG,
   wxSOCKET_OUTPUT_FLAG = GSOCK_OUTPUT_FLAG,
   wxSOCKET_CONNECTION_FLAG = GSOCK_CONNECTION_FLAG,


@@ -53,9 +47,11 @@ enum {
 
 typedef GSocketEventFlags wxSocketEventFlags;
 
 
 typedef GSocketEventFlags wxSocketEventFlags;
 

-typedef enum {
+enum wxSocketError
+{
+  // from GSocket

   wxSOCKET_NOERROR = GSOCK_NOERROR,
   wxSOCKET_NOERROR = GSOCK_NOERROR,

-  wxSOCKET_INPOP = GSOCK_INVOP,
+  wxSOCKET_INVOP = GSOCK_INVOP,

   wxSOCKET_IOERR = GSOCK_IOERR,
   wxSOCKET_INVADDR = GSOCK_INVADDR,
   wxSOCKET_INVSOCK = GSOCK_INVSOCK,
   wxSOCKET_IOERR = GSOCK_IOERR,
   wxSOCKET_INVADDR = GSOCK_INVADDR,
   wxSOCKET_INVSOCK = GSOCK_INVSOCK,


@@ -63,208 +59,292 @@ typedef enum {
   wxSOCKET_INVPORT = GSOCK_INVPORT,
   wxSOCKET_WOULDBLOCK = GSOCK_WOULDBLOCK,
   wxSOCKET_TIMEDOUT = GSOCK_TIMEDOUT,
   wxSOCKET_INVPORT = GSOCK_INVPORT,
   wxSOCKET_WOULDBLOCK = GSOCK_WOULDBLOCK,
   wxSOCKET_TIMEDOUT = GSOCK_TIMEDOUT,

-  wxSOCKET_MEMERR = GSOCK_MEMERR
-} wxSocketError;
+  wxSOCKET_MEMERR = GSOCK_MEMERR,

 
 

-// ------------------------------------------------------------------------
-// wxSocket base
-// ------------------------------------------------------------------------
+  // wxSocket-specific (not yet implemented)
+  wxSOCKET_DUMMY
+};

 
 

-class WXDLLEXPORT wxTimer;
-class WXDLLEXPORT wxSocketEvent;
-class WXDLLEXPORT wxSocketBase : public wxEvtHandler
+enum

 {
 {

-  DECLARE_CLASS(wxSocketBase)
-public:
+  wxSOCKET_NONE = 0,
+  wxSOCKET_NOWAIT = 1,
+  wxSOCKET_WAITALL = 2,
+  wxSOCKET_BLOCK = 4,
+  wxSOCKET_REUSEADDR = 8,
+  wxSOCKET_BROADCAST = 16,
+  wxSOCKET_NOBIND = 32
+};

 
 

-  enum { NONE=0, NOWAIT=1, WAITALL=2, SPEED=4 };
-  typedef int wxSockFlags;
-  // Type of request
+enum wxSocketType
+{
+  wxSOCKET_UNINIT,
+  wxSOCKET_CLIENT,
+  wxSOCKET_SERVER,
+  wxSOCKET_BASE,
+  wxSOCKET_DATAGRAM
+};

 
 

-  enum wxSockType { SOCK_CLIENT, SOCK_SERVER, SOCK_INTERNAL, SOCK_UNINIT };
-  typedef void (*wxSockCbk)(wxSocketBase& sock,wxSocketNotify evt,char *cdata);
+typedef int wxSocketFlags;

 
 

-protected:
-  GSocket *m_socket;                   // wxSocket socket
-  wxSockFlags m_flags;                 // wxSocket flags
-  wxSockType m_type;                   // wxSocket type
-  wxSocketEventFlags m_neededreq;      // Specify which requet signals we need
-  wxUint32 m_lcount;                   // Last IO request size
-  unsigned long m_timeout;             // IO timeout value

 
 

-  char *m_unread;                      // Pushback buffer
-  wxUint32 m_unrd_size;                        // Pushback buffer size
-  wxUint32 m_unrd_cur;                 // Pushback pointer

 
 

-  wxSockCbk m_cbk;                     // C callback
-  char *m_cdata;                       // C callback data
+// --------------------------------------------------------------------------
+// wxSocketBase
+// --------------------------------------------------------------------------

 
 

-  bool m_connected;                    // Connected ?
-  bool m_notify_state;                 // Notify state
-  int m_id;                            // Socket id (for event handler)
+class WXDLLIMPEXP_NET wxSocketBase : public wxObject
+{
+  DECLARE_CLASS(wxSocketBase)

 
 

-  // Defering variables
-  enum {
-    DEFER_READ, DEFER_WRITE, NO_DEFER
-  } m_defering;                         // Defering state
-  char *m_defer_buffer;                 // Defering target buffer
-  wxUint32 m_defer_nbytes;                // Defering buffer size
-  wxTimer *m_defer_timer;              // Timer for defering mode
+public:

 
 

-  wxList m_states;                     // Stack of states
+  // Public interface
+  // ----------------

 
 

-public:
+  // ctors and dtors

   wxSocketBase();
   wxSocketBase();

+  wxSocketBase(wxSocketFlags flags, wxSocketType type);

   virtual ~wxSocketBase();
   virtual ~wxSocketBase();

-  virtual bool Close();
-
-  // Base IO
-  wxSocketBase& Peek(char* buffer, wxUint32 nbytes);
-  wxSocketBase& Read(char* buffer, wxUint32 nbytes);
-  wxSocketBase& Write(const char *buffer, wxUint32 nbytes);
-  wxSocketBase& Unread(const char *buffer, wxUint32 nbytes);
-  wxSocketBase& ReadMsg(char *buffer, wxUint32 nbytes);
-  wxSocketBase& WriteMsg(const char *buffer, wxUint32 nbytes);
-  void Discard();
-
-  // Try not to use this two methods (they sould be protected)
-  void CreatePushbackAfter(const char *buffer, wxUint32 size);
-  void CreatePushbackBefore(const char *buffer, wxUint32 size);
-
-  // Status
-  inline bool Ok() const { return (m_socket != NULL); };
-  inline bool Error() const
-           { return (GSocket_GetError(m_socket) != GSOCK_NOERROR); };
-  inline bool IsConnected() const { return m_connected; };
-  inline bool IsDisconnected() const { return !IsConnected(); };
-  inline bool IsNoWait() const { return ((m_flags & NOWAIT) != 0); };
-  bool IsData() const;
+  void Init();
+  bool Destroy();
+
+  // state
+  inline bool Ok() const { return IsOk(); }
+  inline bool IsOk() const { return (m_socket != NULL); }
+  inline bool Error() const { return m_error; }
+  inline bool IsConnected() const { return m_connected; }
+  inline bool IsData() { return WaitForRead(0, 0); }
+  inline bool IsDisconnected() const { return !IsConnected(); }

   inline wxUint32 LastCount() const { return m_lcount; }
   inline wxUint32 LastCount() const { return m_lcount; }

-  inline wxSocketError LastError() const { return (wxSocketError)GSocket_GetError(m_socket); }
-  inline wxSockType GetType() const { return m_type; }
-
-  void SetFlags(wxSockFlags _flags);
-  wxSockFlags GetFlags() const;
-  void SetTimeout(unsigned long sec);
+  inline wxSocketError LastError() const { return (wxSocketError)m_socket->GetError(); }
+  void SaveState();
+  void RestoreState();

 
 

-  // seconds = -1 means infinite wait
-  // seconds = 0 means no wait
-  // seconds > 0 means specified wait
+  // addresses
+  virtual bool GetLocal(wxSockAddress& addr_man) const;
+  virtual bool GetPeer(wxSockAddress& addr_man) const;
+  virtual bool SetLocal(wxIPV4address& local);
+
+  // base IO
+  virtual bool  Close();
+  wxSocketBase& Discard();
+  wxSocketBase& Peek(void* buffer, wxUint32 nbytes);
+  wxSocketBase& Read(void* buffer, wxUint32 nbytes);
+  wxSocketBase& ReadMsg(void *buffer, wxUint32 nbytes);
+  wxSocketBase& Unread(const void *buffer, wxUint32 nbytes);
+  wxSocketBase& Write(const void *buffer, wxUint32 nbytes);
+  wxSocketBase& WriteMsg(const void *buffer, wxUint32 nbytes);
+
+  void InterruptWait() { m_interrupt = true; }

   bool Wait(long seconds = -1, long milliseconds = 0);
   bool WaitForRead(long seconds = -1, long milliseconds = 0);
   bool WaitForWrite(long seconds = -1, long milliseconds = 0);
   bool WaitForLost(long seconds = -1, long milliseconds = 0);
 
   bool Wait(long seconds = -1, long milliseconds = 0);
   bool WaitForRead(long seconds = -1, long milliseconds = 0);
   bool WaitForWrite(long seconds = -1, long milliseconds = 0);
   bool WaitForLost(long seconds = -1, long milliseconds = 0);
 

-  // Save the current state of Socket
-  void SaveState();
-  void RestoreState();
-
-  // Setup external callback
-  wxSockCbk Callback(wxSockCbk cbk_);
-  char *CallbackData(char *data);
+  inline wxSocketFlags GetFlags() const { return m_flags; }
+  void SetFlags(wxSocketFlags flags);
+  void SetTimeout(long seconds);

 
 

-  // Setup event handler
-  void SetEventHandler(wxEvtHandler& evt_hdlr, int id = -1);
+  bool GetOption(int level, int optname, void *optval, int *optlen);
+  bool SetOption(int level, int optname, const void *optval, int optlen);
+  inline wxUint32 GetLastIOSize() const { return m_lcount; }

 
 

-  // Method called when it happens something on the socket
+  // event handling
+  void *GetClientData() const { return m_clientData; }
+  void SetClientData(void *data) { m_clientData = data; }
+  void SetEventHandler(wxEvtHandler& handler, int id = wxID_ANY);

   void SetNotify(wxSocketEventFlags flags);
   void SetNotify(wxSocketEventFlags flags);

-  virtual void OnRequest(wxSocketNotify req_evt);
-
-  // Public internal callback
-  virtual void OldOnNotify(wxSocketNotify WXUNUSED(evt));
-
-  // Some info on the socket...
-  virtual bool GetPeer(wxSockAddress& addr_man) const;
-  virtual bool GetLocal(wxSockAddress& addr_man) const;
-
-  // Install or uninstall callbacks

   void Notify(bool notify);
 
   void Notify(bool notify);
 

-  // So you can know what the socket driver is looking for ...
-  inline wxSocketEventFlags NeededReq() const { return m_neededreq; }
+  // initialize/shutdown the sockets (usually called automatically)
+  static bool IsInitialized();
+  static bool Initialize();
+  static void Shutdown();

 
 

-  static wxSocketEventFlags EventToNotify(wxSocketNotify evt);

 
 

-protected:
-  friend class wxSocketServer;
-  friend class wxSocketHandler;
-  friend class wxSocketInternal;
-
-#ifdef __SALFORDC__
-public:
-#endif
-
-  wxSocketBase(wxSockFlags flags, wxSockType type);
+  // Implementation from now on
+  // --------------------------

 
 

-#ifdef __SALFORDC__
-protected:
-#endif
+  // do not use, should be private (called from GSocket)
+  void OnRequest(wxSocketNotify notify);

 
 

-  bool _Wait(long seconds, long milliseconds, int type);
+  // do not use, not documented nor supported
+  inline bool IsNoWait() const { return ((m_flags & wxSOCKET_NOWAIT) != 0); }
+  inline wxSocketType GetType() const { return m_type; }

 
 

-  int DeferRead(char *buffer, wxUint32 nbytes);
-  int DeferWrite(const char *buffer, wxUint32 nbytes);
-  void DoDefer(wxSocketNotify evt);
-
-  // Pushback library
-  wxUint32 GetPushback(char *buffer, wxUint32 size, bool peek);
+private:
+  friend class wxSocketClient;
+  friend class wxSocketServer;
+  friend class wxDatagramSocket;
+
+  // low level IO
+  wxUint32 _Read(void* buffer, wxUint32 nbytes);
+  wxUint32 _Write(const void *buffer, wxUint32 nbytes);
+  bool     _Wait(long seconds, long milliseconds, wxSocketEventFlags flags);
+
+  // pushback buffer
+  void     Pushback(const void *buffer, wxUint32 size);
+  wxUint32 GetPushback(void *buffer, wxUint32 size, bool peek);
+
+private:
+  // socket
+  GSocket      *m_socket;           // GSocket
+  wxSocketType  m_type;             // wxSocket type
+
+  // state
+  wxSocketFlags m_flags;            // wxSocket flags
+  bool          m_connected;        // connected?
+  bool          m_establishing;     // establishing connection?
+  bool          m_reading;          // busy reading?
+  bool          m_writing;          // busy writing?
+  bool          m_error;            // did last IO call fail?
+  wxSocketError m_lasterror;        // last error (not cleared on success)
+  wxUint32      m_lcount;           // last IO transaction size
+  unsigned long m_timeout;          // IO timeout value
+  wxList        m_states;           // stack of states
+  bool          m_interrupt;        // interrupt ongoing wait operations?
+  bool          m_beingDeleted;     // marked for delayed deletion?
+  wxIPV4address m_localAddress;     // bind to local address?
+
+  // pushback buffer
+  void         *m_unread;           // pushback buffer
+  wxUint32      m_unrd_size;        // pushback buffer size
+  wxUint32      m_unrd_cur;         // pushback pointer (index into buffer)
+
+  // events
+  int           m_id;               // socket id
+  wxEvtHandler *m_handler;          // event handler
+  void         *m_clientData;       // client data for events
+  bool          m_notify;           // notify events to users?
+  wxSocketEventFlags  m_eventmask;  // which events to notify?
+
+  // the initialization count, GSocket is initialized if > 0
+  static size_t m_countInit;
+
+  DECLARE_NO_COPY_CLASS(wxSocketBase)

 };
 
 };
 

-////////////////////////////////////////////////////////////////////////

 
 

-class WXDLLEXPORT wxSocketServer : public wxSocketBase
+// --------------------------------------------------------------------------
+// wxSocketServer
+// --------------------------------------------------------------------------
+
+class WXDLLIMPEXP_NET wxSocketServer : public wxSocketBase

 {
   DECLARE_CLASS(wxSocketServer)
 {
   DECLARE_CLASS(wxSocketServer)

+

 public:
 public:

+  wxSocketServer(const wxSockAddress& addr, wxSocketFlags flags = wxSOCKET_NONE);

 
 

-  // 'service' can be a name or a port-number
+  wxSocketBase* Accept(bool wait = true);
+  bool AcceptWith(wxSocketBase& socket, bool wait = true);

 
 

-  wxSocketServer(wxSockAddress& addr_man, wxSockFlags flags = wxSocketBase::NONE);
+  bool WaitForAccept(long seconds = -1, long milliseconds = 0);

 
 

-  wxSocketBase* Accept();
-  bool AcceptWith(wxSocketBase& sock);
+  DECLARE_NO_COPY_CLASS(wxSocketServer)

 };
 
 };
 

-////////////////////////////////////////////////////////////////////////

 
 

-class WXDLLEXPORT wxSocketClient : public wxSocketBase
+// --------------------------------------------------------------------------
+// wxSocketClient
+// --------------------------------------------------------------------------
+
+class WXDLLIMPEXP_NET wxSocketClient : public wxSocketBase

 {
   DECLARE_CLASS(wxSocketClient)
 {
   DECLARE_CLASS(wxSocketClient)

-public:

 
 

-  wxSocketClient(wxSockFlags flags = wxSocketBase::NONE);
+public:
+  wxSocketClient(wxSocketFlags flags = wxSOCKET_NONE);

   virtual ~wxSocketClient();
 
   virtual ~wxSocketClient();
 

-  virtual bool Connect(wxSockAddress& addr_man, bool wait = TRUE);
+  virtual bool Connect(wxSockAddress& addr, bool wait = true);
+  bool Connect(wxSockAddress& addr, wxSockAddress& local, bool wait = true);

 
   bool WaitOnConnect(long seconds = -1, long milliseconds = 0);
 
 
   bool WaitOnConnect(long seconds = -1, long milliseconds = 0);
 

-  virtual void OnRequest(wxSocketNotify flags);
+  // Sets initial socket buffer sizes using the SO_SNDBUF and SO_RCVBUF options
+  // before calling connect (either one can be -1 to leave it unchanged)
+  void SetInitialSocketBuffers(int recv, int send)
+  {
+      m_initialRecvBufferSize = recv;
+      m_initialSendBufferSize = send;
+  }
+
+private:
+  virtual bool
+      DoConnect(wxSockAddress& addr, wxSockAddress* local, bool wait = true);
+
+  // buffer sizes, -1 if unset and defaults should be used
+  int m_initialRecvBufferSize;
+  int m_initialSendBufferSize;
+
+  DECLARE_NO_COPY_CLASS(wxSocketClient)

 };
 
 };
 

-class WXDLLEXPORT wxSocketEvent : public wxEvent {
-  DECLARE_DYNAMIC_CLASS(wxSocketEvent)
+
+// --------------------------------------------------------------------------
+// wxDatagramSocket
+// --------------------------------------------------------------------------
+
+// WARNING: still in alpha stage
+
+class WXDLLIMPEXP_NET wxDatagramSocket : public wxSocketBase
+{
+  DECLARE_CLASS(wxDatagramSocket)
+
+public:
+  wxDatagramSocket(const wxSockAddress& addr, wxSocketFlags flags = wxSOCKET_NONE);
+
+  wxDatagramSocket& RecvFrom( wxSockAddress& addr,
+                              void* buf,
+                              wxUint32 nBytes );
+  wxDatagramSocket& SendTo( const wxSockAddress& addr,
+                            const void* buf,
+                            wxUint32 nBytes );
+
+/* TODO:
+  bool Connect(wxSockAddress& addr);
+*/
+  DECLARE_NO_COPY_CLASS(wxDatagramSocket)
+};
+
+
+// --------------------------------------------------------------------------
+// wxSocketEvent
+// --------------------------------------------------------------------------
+
+class WXDLLIMPEXP_NET wxSocketEvent : public wxEvent
+{

 public:
 public:

-  wxSocketEvent(int id = 0);
+  wxSocketEvent(int id = 0)
+      : wxEvent(id, wxEVT_SOCKET)
+      {
+      }

 
 

-  wxSocketNotify SocketEvent() const { return m_skevt; }
-  wxSocketBase *Socket() const { return m_socket; }
+  wxSocketNotify  GetSocketEvent() const { return m_event; }
+  wxSocketBase   *GetSocket() const      { return (wxSocketBase *) GetEventObject(); }
+  void           *GetClientData() const  { return m_clientData; }

 
 

-  void CopyObject(wxObject& obj_d) const;
+  virtual wxEvent *Clone() const { return new wxSocketEvent(*this); }

 
 public:
 
 public:

-  wxSocketNotify m_skevt;
-  wxSocketBase *m_socket;
+  wxSocketNotify  m_event;
+  void           *m_clientData;
+
+  DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxSocketEvent)

 };
 
 };
 

+

 typedef void (wxEvtHandler::*wxSocketEventFunction)(wxSocketEvent&);
 
 typedef void (wxEvtHandler::*wxSocketEventFunction)(wxSocketEvent&);
 

-#define EVT_SOCKET(id, func) { wxEVT_SOCKET, id, -1, \
-  (wxObjectEventFunction) (wxEventFunction) (wxSocketEventFunction) & func, \
-  (wxObject *) NULL  },
+#define wxSocketEventHandler(func) \
+    (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxSocketEventFunction, &func)
+
+#define EVT_SOCKET(id, func) \
+    wx__DECLARE_EVT1(wxEVT_SOCKET, id, wxSocketEventHandler(func))
+
+#endif // wxUSE_SOCKETS

 
 

-#endif
-  // wxUSE_SOCKETS
+#endif // _WX_SOCKET_H_

 
 

-#endif
-  // _WX_NETWORK_SOCKET_H