OS X savvy implementation

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

diff --git a/include/wx/socket.h b/include/wx/socket.h
index 762e01c863ffc5d1b9ccd8d06c34332cbfe3f26f..e8029c5adcb92ee3f47d90a02dd676acf1b5fa3d 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:      $Id$


@@ -12,8 +12,8 @@
 #ifndef _WX_NETWORK_SOCKET_H
 #define _WX_NETWORK_SOCKET_H
 
 #ifndef _WX_NETWORK_SOCKET_H
 #define _WX_NETWORK_SOCKET_H
 

-#ifdef __GNUG__
-#pragma interface "socket.h"
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+  #pragma interface "socket.h"

 #endif
 
 #include "wx/defs.h"
 #endif
 
 #include "wx/defs.h"


@@ -21,210 +21,310 @@
 #if wxUSE_SOCKETS
 
 // ---------------------------------------------------------------------------
 #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/sckaddr.h>
+#include "wx/event.h"
+#include "wx/sckaddr.h"

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

+#include "wx/list.h"
+
+// ------------------------------------------------------------------------
+// Types and constants
+// ------------------------------------------------------------------------

 
 

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

 {
 {

-  DECLARE_CLASS(wxSocketBase)
-public:
+  wxSOCKET_INPUT = GSOCK_INPUT,
+  wxSOCKET_OUTPUT = GSOCK_OUTPUT,
+  wxSOCKET_CONNECTION = GSOCK_CONNECTION,
+  wxSOCKET_LOST = GSOCK_LOST
+};
+
+enum
+{
+  wxSOCKET_INPUT_FLAG = GSOCK_INPUT_FLAG,
+  wxSOCKET_OUTPUT_FLAG = GSOCK_OUTPUT_FLAG,
+  wxSOCKET_CONNECTION_FLAG = GSOCK_CONNECTION_FLAG,
+  wxSOCKET_LOST_FLAG = GSOCK_LOST_FLAG
+};

 
 

-  enum { NONE=0, NOWAIT=1, WAITALL=2, SPEED=4 };
-  typedef int wxSockFlags;
-  // Type of request
+typedef GSocketEventFlags wxSocketEventFlags;

 
 

-  enum wxSockType { SOCK_CLIENT, SOCK_SERVER, SOCK_INTERNAL, SOCK_UNINIT };
-  typedef void (*wxSockCbk)(wxSocketBase& sock,GSocketEvent evt,char *cdata);
+enum wxSocketError
+{
+  // from GSocket
+  wxSOCKET_NOERROR = GSOCK_NOERROR,
+  wxSOCKET_INVOP = GSOCK_INVOP,
+  wxSOCKET_IOERR = GSOCK_IOERR,
+  wxSOCKET_INVADDR = GSOCK_INVADDR,
+  wxSOCKET_INVSOCK = GSOCK_INVSOCK,
+  wxSOCKET_NOHOST = GSOCK_NOHOST,
+  wxSOCKET_INVPORT = GSOCK_INVPORT,
+  wxSOCKET_WOULDBLOCK = GSOCK_WOULDBLOCK,
+  wxSOCKET_TIMEDOUT = GSOCK_TIMEDOUT,
+  wxSOCKET_MEMERR = GSOCK_MEMERR,
+
+  // wxSocket-specific (not yet implemented)
+  wxSOCKET_DUMMY
+};

 
 

-protected:
-  GSocket *m_socket;                   // wxSocket socket
-  wxSockFlags m_flags;                 // wxSocket flags
-  wxSockType m_type;                   // wxSocket type
-  GSocketEventFlags m_neededreq;       // Specify which requet signals we need
-  size_t m_lcount;                     // Last IO request size
-  unsigned long m_timeout;             // IO timeout value
+enum
+{
+  wxSOCKET_NONE = 0,
+  wxSOCKET_NOWAIT = 1,
+  wxSOCKET_WAITALL = 2,
+  wxSOCKET_BLOCK = 4,
+  wxSOCKET_REUSEADDR = 8
+};

 
 

-  char *m_unread;                      // Pushback buffer
-  size_t m_unrd_size;                  // Pushback buffer size
-  size_t m_unrd_cur;                   // Pushback pointer
+enum wxSocketType
+{
+  wxSOCKET_UNINIT,
+  wxSOCKET_CLIENT,
+  wxSOCKET_SERVER,
+  wxSOCKET_BASE,
+  wxSOCKET_DATAGRAM
+};

 
 

-  wxSockCbk m_cbk;                     // C callback
-  char *m_cdata;                       // C callback data
+typedef int wxSocketFlags;

 
 

-  bool m_connected;                    // Connected ?
-  bool m_notify_state;                 // Notify state
-  int m_id;                            // Socket id (for event handler)

 
 

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

 
 

-  wxList m_states;                     // Stack of states
+// --------------------------------------------------------------------------
+// wxSocketBase
+// --------------------------------------------------------------------------
+
+class WXDLLIMPEXP_NET wxSocketBase : public wxObject
+{
+  DECLARE_CLASS(wxSocketBase)

 
 public:
 
 public:

+
+  // Public interface
+  // ----------------
+
+  // ctors and dtors

   wxSocketBase();
   wxSocketBase();

+  wxSocketBase(wxSocketFlags flags, wxSocketType type);

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

-  virtual bool Close();
-
-  // Base IO
-  wxSocketBase& Peek(char* buffer, size_t nbytes);
-  wxSocketBase& Read(char* buffer, size_t nbytes);
-  wxSocketBase& Write(const char *buffer, size_t nbytes);
-  wxSocketBase& Unread(const char *buffer, size_t nbytes);
-  wxSocketBase& ReadMsg(char *buffer, size_t nbytes);
-  wxSocketBase& WriteMsg(const char *buffer, size_t nbytes);
-  void Discard();
-
-  // Try not to use this two methods (they sould be protected)
-  void CreatePushbackAfter(const char *buffer, size_t size);
-  void CreatePushbackBefore(const char *buffer, size_t size);
-
-  // Status
+  void Init();
+  bool Destroy();
+
+  // state

   inline bool Ok() const { return (m_socket != NULL); };
   inline bool Ok() const { return (m_socket != NULL); };

-  inline bool Error() const
-           { return (GSocket_GetError(m_socket) != GSOCK_NOERROR); };
+  inline bool Error() const { return m_error; };

   inline bool IsConnected() const { return m_connected; };
   inline bool IsConnected() const { return m_connected; };

+  inline bool IsData() { return WaitForRead(0, 0); };

   inline bool IsDisconnected() const { return !IsConnected(); };
   inline bool IsDisconnected() const { return !IsConnected(); };

-  inline bool IsNoWait() const { return ((m_flags & NOWAIT) != 0); };
-  bool IsData() const;
-  inline size_t LastCount() const { return m_lcount; }
-  inline GSocketError LastError() const { return GSocket_GetError(m_socket); }
-  inline wxSockType GetType() const { return m_type; }
-
-  void SetFlags(wxSockFlags _flags);
-  wxSockFlags GetFlags() const;
-  inline void SetTimeout(unsigned long sec) { m_timeout = sec; }
-
-  // seconds = -1 means infinite wait
-  // seconds = 0 means no wait
-  // seconds > 0 means specified wait
-  bool Wait(long seconds = -1, long microseconds = 0);
-  bool WaitForRead(long seconds = -1, long microseconds = 0);
-  bool WaitForWrite(long seconds = -1, long microseconds = 0);
-  bool WaitForLost(long seconds = -1, long microseconds = 0);
-
-  // Save the current state of Socket
+  inline wxUint32 LastCount() const { return m_lcount; }
+  inline wxSocketError LastError() const { return (wxSocketError)m_socket->GetError(); }

   void SaveState();
   void RestoreState();
 
   void SaveState();
   void RestoreState();
 

-  // Setup external callback
-  wxSockCbk Callback(wxSockCbk cbk_);
-  char *CallbackData(char *data);
-
-  // Setup event handler
-  void SetEventHandler(wxEvtHandler& evt_hdlr, int id = -1);
-
-  // Method called when it happens something on the socket
-  void SetNotify(GSocketEventFlags flags);
-  virtual void OnRequest(GSocketEvent req_evt);
-
-  // Public internal callback
-  virtual void OldOnNotify(GSocketEvent WXUNUSED(evt));
-
-  // Some info on the socket...
-  virtual bool GetPeer(wxSockAddress& addr_man) const;
+  // addresses

   virtual bool GetLocal(wxSockAddress& addr_man) const;
   virtual bool GetLocal(wxSockAddress& addr_man) const;

+  virtual bool GetPeer(wxSockAddress& addr_man) const;

 
 

-  // Install or uninstall callbacks
+  // 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);
+
+  inline wxSocketFlags GetFlags() const { return m_flags; }
+  void SetFlags(wxSocketFlags flags);
+  void SetTimeout(long seconds);
+
+  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; };
+
+  // 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 Notify(bool notify);
 
   void Notify(bool notify);
 

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

 
 

-  static GSocketEventFlags EventToNotify(GSocketEvent evt);

 
 

-protected:
-  friend class wxSocketServer;
-  friend class wxSocketHandler;
-  friend class wxSocketInternal;
+  // Implementation from now on
+  // --------------------------

 
 

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

 
 

-  wxSocketBase(wxSockFlags flags, wxSockType type);
-
-#ifdef __SALFORDC__
-protected:
-#endif
+  // do not use, not documented nor supported
+  inline bool IsNoWait() const { return ((m_flags & wxSOCKET_NOWAIT) != 0); }
+  inline wxSocketType GetType() const { return m_type; }

 
 

-  bool _Wait(long seconds, long microseconds, int type);
-
-  int DeferRead(char *buffer, size_t nbytes);
-  int DeferWrite(const char *buffer, size_t nbytes);
-  void DoDefer(GSocketEvent evt);
-
-  // Pushback library
-  size_t GetPushback(char *buffer, size_t 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?
+
+  // 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(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 WaitOnConnect(long seconds = -1, long milliseconds = 0);

 
 

-  bool WaitOnConnect(long seconds = -1, long microseconds = 0);
+  DECLARE_NO_COPY_CLASS(wxSocketClient)
+};
+
+
+// --------------------------------------------------------------------------
+// wxDatagramSocket
+// --------------------------------------------------------------------------
+
+// WARNING: still in alpha stage

 
 

-  virtual void OnRequest(GSocketEvent flags);
+class WXDLLIMPEXP_NET wxDatagramSocket : public wxSocketBase
+{
+  DECLARE_CLASS(wxDatagramSocket)
+
+public:
+  wxDatagramSocket(wxSockAddress& addr, wxSocketFlags flags = wxSOCKET_NONE);
+
+  wxDatagramSocket& RecvFrom( wxSockAddress& addr,
+                              void* buf,
+                              wxUint32 nBytes );
+  wxDatagramSocket& SendTo( wxSockAddress& addr,
+                            const void* buf,
+                            wxUint32 nBytes );
+
+/* TODO:
+  bool Connect(wxSockAddress& addr);
+*/
+  DECLARE_NO_COPY_CLASS(wxDatagramSocket)

 };
 
 };
 

-class WXDLLEXPORT wxSocketEvent : public wxEvent {
-  DECLARE_DYNAMIC_CLASS(wxSocketEvent)
+
+// --------------------------------------------------------------------------
+// wxSocketEvent
+// --------------------------------------------------------------------------
+
+class WXDLLIMPEXP_NET wxSocketEvent : public wxEvent
+{

 public:
 public:

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

 
 

-  GSocketEvent 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:

-  GSocketEvent 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 EVT_SOCKET(id, func) \
+    DECLARE_EVENT_TABLE_ENTRY( wxEVT_SOCKET, id, wxID_ANY, \
+        (wxObjectEventFunction) (wxEventFunction)  wxStaticCastEvent( wxSocketEventFunction, & func ), \
+        (wxObject *) NULL ),
+

 
 #endif
   // wxUSE_SOCKETS
 
 #endif
   // wxUSE_SOCKETS