recall initial font

[wxWidgets.git] / src / unix / gsocket.cpp

diff --git a/src/unix/gsocket.cpp b/src/unix/gsocket.cpp
index 28bbb981941fa3c88dfcfd70f23e7726b0889720..a1ceb862e3dee93d68f70917626f9647ed923ddb 100644 (file)
--- a/src/unix/gsocket.cpp
+++ b/src/unix/gsocket.cpp
@@ -10,11 +10,13 @@
  * -------------------------------------------------------------------------
  */
 
  * -------------------------------------------------------------------------
  */
 

-#include "wx/wxprec.h"
-#ifndef WX_PRECOMP
-    #include "wx/app.h"
-    #include "wx/apptrait.h"
-#endif //ndef WX_PRECOMP
+/*
+ * PLEASE don't put C++ comments here - this is a C source file.
+ */
+
+#ifndef __GSOCKET_STANDALONE__
+#include "wx/setup.h"
+#endif

 
 #if defined(__VISAGECPP__)
 /* Seems to be needed by Visual Age C++, though I don't see how it manages
 
 #if defined(__VISAGECPP__)
 /* Seems to be needed by Visual Age C++, though I don't see how it manages


@@ -85,6 +87,10 @@ int _System bsdselect(int,
 int _System soclose(int);
 #  endif
 #endif
 int _System soclose(int);
 #  endif
 #endif

+#ifdef __EMX__
+#include <sys/select.h>
+#endif
+

 #include <stdio.h>
 #include <stdlib.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stddef.h>


@@ -111,6 +117,12 @@ int _System soclose(int);
 #  endif
 #endif
 
 #  endif
 #endif
 

+#else 
+   /* undefine for OSX - its really an int */
+#  ifdef __DARWIN__
+#    undef SOCKLEN_T
+#    define SOCKLEN_T int
+#  endif

 #endif /* SOCKLEN_T */
 
 /*
 #endif /* SOCKLEN_T */
 
 /*


@@ -159,82 +171,73 @@ int _System soclose(int);
 #  define GSocket_Debug(args)
 #endif /* __GSOCKET_DEBUG__ */
 
 #  define GSocket_Debug(args)
 #endif /* __GSOCKET_DEBUG__ */
 

-///////////////////////////////////////////////////////////////////////////
-// GSocketBSDGUIShim
-struct GSocketGUIFunctionsTable *GSocketBSDGUIShim::ms_gui_functions = NULL;
-
-void GSocket_SetGUIFunctions(struct GSocketGUIFunctionsTable *guifunc)
-{
-  GSocketBSDGUIShim::ms_gui_functions = guifunc;
-}
-         
-inline bool GSocketBSDGUIShim::UseGUI()
-{
-    return ms_gui_functions;
-}
-
-inline bool GSocketBSDGUIShim::GUI_Init()
-{
-    return (ms_gui_functions)?ms_gui_functions->GUI_Init():true;
-}
-
-inline void GSocketBSDGUIShim::GUI_Cleanup()
-{
-    if (ms_gui_functions) ms_gui_functions->GUI_Cleanup();
-}
-
-GSocketBSDGUIShim::GSocketBSDGUIShim()
-{
-    m_ok = (ms_gui_functions ? ms_gui_functions->GUI_Init_Socket(this) : true);
-}
-
-GSocketBSDGUIShim::~GSocketBSDGUIShim()
-{
-    if (ms_gui_functions) ms_gui_functions->GUI_Destroy_Socket(this);
-}
+/* Table of GUI-related functions. We must call them indirectly because
+ * of wxBase and GUI separation: */

 
 

-void GSocketBSDGUIShim::EventLoop_Enable_Events()
-{
-    if (ms_gui_functions) ms_gui_functions->Enable_Events(this);
-}
+static GSocketGUIFunctionsTable *gs_gui_functions;

 
 

-void GSocketBSDGUIShim::EventLoop_Disable_Events()
+class GSocketGUIFunctionsTableNull: public GSocketGUIFunctionsTable

 {
 {

-    if (ms_gui_functions) ms_gui_functions->Disable_Events(this);
-}
+public:
+    virtual bool OnInit();
+    virtual void OnExit();
+    virtual bool CanUseEventLoop();
+    virtual bool Init_Socket(GSocket *socket);
+    virtual void Destroy_Socket(GSocket *socket);
+    virtual void Install_Callback(GSocket *socket, GSocketEvent event);
+    virtual void Uninstall_Callback(GSocket *socket, GSocketEvent event);
+    virtual void Enable_Events(GSocket *socket);
+    virtual void Disable_Events(GSocket *socket);
+};

 
 

-void GSocketBSDGUIShim::EventLoop_Install_Callback(GSocketEvent event)
-{
-    if (ms_gui_functions) ms_gui_functions->Install_Callback(this, event);
-}
+bool GSocketGUIFunctionsTableNull::OnInit()
+{   return true; }
+void GSocketGUIFunctionsTableNull::OnExit()
+{}
+bool GSocketGUIFunctionsTableNull::CanUseEventLoop()
+{   return false; }
+bool GSocketGUIFunctionsTableNull::Init_Socket(GSocket *socket)
+{   return true; }
+void GSocketGUIFunctionsTableNull::Destroy_Socket(GSocket *socket)
+{}
+void GSocketGUIFunctionsTableNull::Install_Callback(GSocket *socket, GSocketEvent event)
+{}
+void GSocketGUIFunctionsTableNull::Uninstall_Callback(GSocket *socket, GSocketEvent event)
+{}
+void GSocketGUIFunctionsTableNull::Enable_Events(GSocket *socket)
+{}
+void GSocketGUIFunctionsTableNull::Disable_Events(GSocket *socket)
+{}
+/* Global initialisers */

 
 

-void GSocketBSDGUIShim::EventLoop_Uninstall_Callback(GSocketEvent event)
+void GSocket_SetGUIFunctions(GSocketGUIFunctionsTable *guifunc)

 {
 {

-    if (ms_gui_functions) ms_gui_functions->Uninstall_Callback(this, event);
+  gs_gui_functions = guifunc;

 }
 
 }
 

-///////////////////////////////////////////////////////////////////////////
-// GSocketBSD
-
-static struct GSocketBaseFunctionsTable gs_base_functions =
-{
-    GSocketBSD::_GSocket_Detected_Read,
-    GSocketBSD::_GSocket_Detected_Write
-};
-
-/* Global initialisers */
-

 int GSocket_Init(void)
 {
 int GSocket_Init(void)
 {

-    return GSocketBSDGUIShim::GUI_Init();
+  if (!gs_gui_functions)
+  {
+    static GSocketGUIFunctionsTableNull table;
+    gs_gui_functions = &table;
+  }
+  if ( !gs_gui_functions->OnInit() )
+    return 0;
+  return 1;

 }
 
 void GSocket_Cleanup(void)
 {
 }
 
 void GSocket_Cleanup(void)
 {

-    GSocketBSDGUIShim::GUI_Cleanup();
+  if (gs_gui_functions)
+  {
+      gs_gui_functions->OnExit();
+  }

 }
 
 }
 

-GSocketBSD::GSocketBSD()
+/* Constructors / Destructors for GSocket */
+
+GSocket::GSocket()

 {
   int i;
 
 {
   int i;
 


@@ -247,31 +250,40 @@ GSocketBSD::GSocketBSD()
   m_local               = NULL;
   m_peer                = NULL;
   m_error               = GSOCK_NOERROR;
   m_local               = NULL;
   m_peer                = NULL;
   m_error               = GSOCK_NOERROR;

-  m_server              = FALSE;
-  m_stream              = TRUE;
+  m_server              = false;
+  m_stream              = true;

   m_gui_dependent       = NULL;
   m_gui_dependent       = NULL;

-  m_non_blocking        = FALSE;
+  m_non_blocking        = false;

   m_timeout             = 10*60*1000;
                                 /* 10 minutes * 60 sec * 1000 millisec */
   m_timeout             = 10*60*1000;
                                 /* 10 minutes * 60 sec * 1000 millisec */

-  m_establishing        = FALSE;
-
-  m_functions           = &gs_base_functions;
+  m_establishing        = false;

 
 

-  m_ok = true;
+  assert(gs_gui_functions);
+  /* Per-socket GUI-specific initialization */
+  m_ok = gs_gui_functions->Init_Socket(this);

 }
 
 }
 

-void GSocketBSD::Close()
+void GSocket::Close()

 {
 {

-    EventLoop_Disable_Events();
-// gsockosx.c calls CFSocketInvalidate which closes the socket for us
+    gs_gui_functions->Disable_Events(this);
+    /* gsockosx.c calls CFSocketInvalidate which closes the socket for us */

 #if !(defined(__DARWIN__) && (defined(__WXMAC__) || defined(__WXCOCOA__)))
     close(m_fd);
 #endif
     m_fd = INVALID_SOCKET;
 }
 
 #if !(defined(__DARWIN__) && (defined(__WXMAC__) || defined(__WXCOCOA__)))
     close(m_fd);
 #endif
     m_fd = INVALID_SOCKET;
 }
 

-GSocketBSD::~GSocketBSD()
+GSocket::~GSocket()

 {
 {

+  assert(this);
+
+  /* Check that the socket is really shutdowned */
+  if (m_fd != INVALID_SOCKET)
+    Shutdown();
+
+  /* Per-socket GUI-specific cleanup */
+  gs_gui_functions->Destroy_Socket(this);
+

   /* Destroy private addresses */
   if (m_local)
     GAddress_destroy(m_local);
   /* Destroy private addresses */
   if (m_local)
     GAddress_destroy(m_local);


@@ -284,7 +296,7 @@ GSocketBSD::~GSocketBSD()
  *  Disallow further read/write operations on this socket, close
  *  the fd and disable all callbacks.
  */
  *  Disallow further read/write operations on this socket, close
  *  the fd and disable all callbacks.
  */

-void GSocketBSD::Shutdown()
+void GSocket::Shutdown()

 {
   int evt;
 
 {
   int evt;
 


@@ -320,7 +332,7 @@ void GSocketBSD::Shutdown()
  *    GSOCK_INVSOCK - the socket is not valid.
  *    GSOCK_INVADDR - the address is not valid.
  */
  *    GSOCK_INVSOCK - the socket is not valid.
  *    GSOCK_INVADDR - the address is not valid.
  */

-GSocketError GSocketBSD::SetLocal(GAddress *address)
+GSocketError GSocket::SetLocal(GAddress *address)

 {
   assert(this);
 
 {
   assert(this);
 


@@ -346,7 +358,7 @@ GSocketError GSocketBSD::SetLocal(GAddress *address)
   return GSOCK_NOERROR;
 }
 
   return GSOCK_NOERROR;
 }
 

-GSocketError GSocketBSD::SetPeer(GAddress *address)
+GSocketError GSocket::SetPeer(GAddress *address)

 {
   assert(this);
 
 {
   assert(this);
 


@@ -365,7 +377,7 @@ GSocketError GSocketBSD::SetPeer(GAddress *address)
   return GSOCK_NOERROR;
 }
 
   return GSOCK_NOERROR;
 }
 

-GAddress *GSocketBSD::GetLocal()
+GAddress *GSocket::GetLocal()

 {
   GAddress *address;
   struct sockaddr addr;
 {
   GAddress *address;
   struct sockaddr addr;


@@ -410,7 +422,7 @@ GAddress *GSocketBSD::GetLocal()
   return address;
 }
 
   return address;
 }
 

-GAddress *GSocketBSD::GetPeer()
+GAddress *GSocket::GetPeer()

 {
   assert(this);
 
 {
   assert(this);
 


@@ -427,13 +439,13 @@ GAddress *GSocketBSD::GetPeer()
  *  Sets up this socket as a server. The local address must have been
  *  set with GSocket_SetLocal() before GSocket_SetServer() is called.
  *  Returns GSOCK_NOERROR on success, one of the following otherwise:
  *  Sets up this socket as a server. The local address must have been
  *  set with GSocket_SetLocal() before GSocket_SetServer() is called.
  *  Returns GSOCK_NOERROR on success, one of the following otherwise:

- * 
+ *

  *  Error codes:
  *    GSOCK_INVSOCK - the socket is in use.
  *    GSOCK_INVADDR - the local address has not been set.
  *  Error codes:
  *    GSOCK_INVSOCK - the socket is in use.
  *    GSOCK_INVADDR - the local address has not been set.

- *    GSOCK_IOERR   - low-level error. 
+ *    GSOCK_IOERR   - low-level error.

  */
  */

-GSocketError GSocketBSD::SetServer()
+GSocketError GSocket::SetServer()

 {
   int arg = 1;
 
 {
   int arg = 1;
 


@@ -454,9 +466,8 @@ GSocketError GSocketBSD::SetServer()
   }
 
   /* Initialize all fields */
   }
 
   /* Initialize all fields */

-  m_stream   = TRUE;
-  m_server   = TRUE;
-  m_oriented = TRUE;
+  m_stream   = true;
+  m_server   = true;

 
   /* Create the socket */
   m_fd = socket(m_local->m_realfamily, SOCK_STREAM, 0);
 
   /* Create the socket */
   m_fd = socket(m_local->m_realfamily, SOCK_STREAM, 0);


@@ -471,12 +482,13 @@ GSocketError GSocketBSD::SetServer()
 #else
   ioctl(m_fd, FIONBIO, &arg);
 #endif
 #else
   ioctl(m_fd, FIONBIO, &arg);
 #endif

-  EventLoop_Enable_Events();
+  gs_gui_functions->Enable_Events(this);

 
   /* allow a socket to re-bind if the socket is in the TIME_WAIT
      state after being previously closed.
    */
 
   /* allow a socket to re-bind if the socket is in the TIME_WAIT
      state after being previously closed.
    */

-  setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (const char*)&arg, sizeof(u_long));
+  if (m_reusable)
+    setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (const char*)&arg, sizeof(u_long));

 
   /* Bind to the local address,
    * retrieve the actual address bound,
 
   /* Bind to the local address,
    * retrieve the actual address bound,


@@ -506,9 +518,9 @@ GSocketError GSocketBSD::SetServer()
  *    GSOCK_TIMEDOUT   - timeout, no incoming connections.
  *    GSOCK_WOULDBLOCK - the call would block and the socket is nonblocking.
  *    GSOCK_MEMERR     - couldn't allocate memory.
  *    GSOCK_TIMEDOUT   - timeout, no incoming connections.
  *    GSOCK_WOULDBLOCK - the call would block and the socket is nonblocking.
  *    GSOCK_MEMERR     - couldn't allocate memory.

- *    GSOCK_IOERR      - low-level error. 
+ *    GSOCK_IOERR      - low-level error.

  */
  */

-GSocket *GSocketBSD::WaitConnection()
+GSocket *GSocket::WaitConnection()

 {
   struct sockaddr from;
   SOCKLEN_T fromlen = sizeof(from);
 {
   struct sockaddr from;
   SOCKLEN_T fromlen = sizeof(from);


@@ -533,7 +545,6 @@ GSocket *GSocketBSD::WaitConnection()
 
   if (!connection)
   {
 
   if (!connection)
   {

-    delete connection;

     m_error = GSOCK_MEMERR;
     return NULL;
   }
     m_error = GSOCK_MEMERR;
     return NULL;
   }


@@ -560,9 +571,8 @@ GSocket *GSocketBSD::WaitConnection()
   }
 
   /* Initialize all fields */
   }
 
   /* Initialize all fields */

-  connection->m_server   = FALSE;
-  connection->m_stream   = TRUE;
-  connection->m_oriented = TRUE;
+  connection->m_server   = false;
+  connection->m_stream   = true;

 
   /* Setup the peer address field */
   connection->m_peer = GAddress_new();
 
   /* Setup the peer address field */
   connection->m_peer = GAddress_new();


@@ -585,11 +595,21 @@ GSocket *GSocketBSD::WaitConnection()
 #else
   ioctl(connection->m_fd, FIONBIO, &arg);
 #endif
 #else
   ioctl(connection->m_fd, FIONBIO, &arg);
 #endif

-  connection->EventLoop_Enable_Events();
+  gs_gui_functions->Enable_Events(connection);

 
   return connection;
 }
 
 
   return connection;
 }
 

+bool GSocket::SetReusable()
+{
+    /* socket must not be null, and must not be in use/already bound */
+    if (this && m_fd == INVALID_SOCKET) {
+        m_reusable = true;
+        return true;
+    }
+    return false;
+}
+

 /* Client specific parts */
 
 /* GSocket_Connect:
 /* Client specific parts */
 
 /* GSocket_Connect:


@@ -613,9 +633,9 @@ GSocket *GSocketBSD::WaitConnection()
  *    GSOCK_TIMEDOUT   - timeout, the connection failed.
  *    GSOCK_WOULDBLOCK - connection in progress (nonblocking sockets only)
  *    GSOCK_MEMERR     - couldn't allocate memory.
  *    GSOCK_TIMEDOUT   - timeout, the connection failed.
  *    GSOCK_WOULDBLOCK - connection in progress (nonblocking sockets only)
  *    GSOCK_MEMERR     - couldn't allocate memory.

- *    GSOCK_IOERR      - low-level error. 
+ *    GSOCK_IOERR      - low-level error.

  */
  */

-GSocketError GSocketBSD::Connect(GSocketStream stream)
+GSocketError GSocket::Connect(GSocketStream stream)

 {
   int err, ret;
   int arg = 1;
 {
   int err, ret;
   int arg = 1;


@@ -639,9 +659,8 @@ GSocketError GSocketBSD::Connect(GSocketStream stream)
 
   /* Streamed or dgram socket? */
   m_stream   = (stream == GSOCK_STREAMED);
 
   /* Streamed or dgram socket? */
   m_stream   = (stream == GSOCK_STREAMED);

-  m_oriented = TRUE;
-  m_server   = FALSE;
-  m_establishing = FALSE;
+  m_server   = false;
+  m_establishing = false;

 
   /* Create the socket */
   m_fd = socket(m_peer->m_realfamily,
 
   /* Create the socket */
   m_fd = socket(m_peer->m_realfamily,


@@ -657,7 +676,7 @@ GSocketError GSocketBSD::Connect(GSocketStream stream)
 #else
   ioctl(m_fd, FIONBIO, &arg);
 #endif
 #else
   ioctl(m_fd, FIONBIO, &arg);
 #endif

-  EventLoop_Enable_Events();
+  gs_gui_functions->Enable_Events(this);

 
   /* Connect it to the peer address, with a timeout (see below) */
   ret = connect(m_fd, m_peer->m_addr, m_peer->m_len);
 
   /* Connect it to the peer address, with a timeout (see below) */
   ret = connect(m_fd, m_peer->m_addr, m_peer->m_len);


@@ -699,7 +718,7 @@ GSocketError GSocketBSD::Connect(GSocketStream stream)
      */
     if ((err == EINPROGRESS) && (m_non_blocking))
     {
      */
     if ((err == EINPROGRESS) && (m_non_blocking))
     {

-      m_establishing = TRUE;
+      m_establishing = true;

       m_error = GSOCK_WOULDBLOCK;
       return GSOCK_WOULDBLOCK;
     }
       m_error = GSOCK_WOULDBLOCK;
       return GSOCK_WOULDBLOCK;
     }


@@ -728,7 +747,7 @@ GSocketError GSocketBSD::Connect(GSocketStream stream)
  *    GSOCK_INVADDR - the local address has not been set.
  *    GSOCK_IOERR   - low-level error.
  */
  *    GSOCK_INVADDR - the local address has not been set.
  *    GSOCK_IOERR   - low-level error.
  */

-GSocketError GSocketBSD::SetNonOriented()
+GSocketError GSocket::SetNonOriented()

 {
   int arg = 1;
 
 {
   int arg = 1;
 


@@ -747,9 +766,8 @@ GSocketError GSocketBSD::SetNonOriented()
   }
 
   /* Initialize all fields */
   }
 
   /* Initialize all fields */

-  m_stream   = FALSE;
-  m_server   = FALSE;
-  m_oriented = FALSE;
+  m_stream   = false;
+  m_server   = false;

 
   /* Create the socket */
   m_fd = socket(m_local->m_realfamily, SOCK_DGRAM, 0);
 
   /* Create the socket */
   m_fd = socket(m_local->m_realfamily, SOCK_DGRAM, 0);


@@ -764,7 +782,7 @@ GSocketError GSocketBSD::SetNonOriented()
 #else
   ioctl(m_fd, FIONBIO, &arg);
 #endif
 #else
   ioctl(m_fd, FIONBIO, &arg);
 #endif

-  EventLoop_Enable_Events();
+  gs_gui_functions->Enable_Events(this);

 
   /* Bind to the local address,
    * and retrieve the actual address bound.
 
   /* Bind to the local address,
    * and retrieve the actual address bound.


@@ -785,34 +803,33 @@ GSocketError GSocketBSD::SetNonOriented()
 /* Generic IO */
 
 /* Like recv(), send(), ... */
 /* Generic IO */
 
 /* Like recv(), send(), ... */

-int GSocketBSD::Read(char *buffer, int size)
+int GSocket::Read(char *buffer, int size)

 {
   int ret;
 
   assert(this);
 
 {
   int ret;
 
   assert(this);
 

-  /* When using CFSocket we MUST NOT reenable events until we finish reading */
-#ifndef __DARWIN__
-  /* Reenable INPUT events */
-  Enable(GSOCK_INPUT);
-#endif
-

   if (m_fd == INVALID_SOCKET || m_server)
   {
     m_error = GSOCK_INVSOCK;
     return -1;
   }
 
   if (m_fd == INVALID_SOCKET || m_server)
   {
     m_error = GSOCK_INVSOCK;
     return -1;
   }
 

+  /* Disable events during query of socket status */
+  Disable(GSOCK_INPUT);
+

   /* If the socket is blocking, wait for data (with a timeout) */
   if (Input_Timeout() == GSOCK_TIMEDOUT)
   /* If the socket is blocking, wait for data (with a timeout) */
   if (Input_Timeout() == GSOCK_TIMEDOUT)

-    return -1;
+    /* We no longer return here immediately, otherwise socket events would not be re-enabled! */
+    ret = -1;
+  else {
+    /* Read the data */
+    if (m_stream)
+      ret = Recv_Stream(buffer, size);
+    else
+      ret = Recv_Dgram(buffer, size);
+  }

 
 

-  /* Read the data */
-  if (m_stream)
-    ret = Recv_Stream(buffer, size);
-  else
-    ret = Recv_Dgram(buffer, size);
-    

   if (ret == -1)
   {
     if (errno == EWOULDBLOCK)
   if (ret == -1)
   {
     if (errno == EWOULDBLOCK)


@@ -820,21 +837,19 @@ int GSocketBSD::Read(char *buffer, int size)
     else
       m_error = GSOCK_IOERR;
   }
     else
       m_error = GSOCK_IOERR;
   }

-  
-#ifdef __DARWIN__
-  /* Reenable INPUT events */
+
+  /* Enable events again now that we are done processing */

   Enable(GSOCK_INPUT);
   Enable(GSOCK_INPUT);

-#endif

 
   return ret;
 }
 
 
   return ret;
 }
 

-int GSocketBSD::Write(const char *buffer, int size)
-{                        
+int GSocket::Write(const char *buffer, int size)
+{

   int ret;
 
   assert(this);
   int ret;
 
   assert(this);

-  
+

   GSocket_Debug(( "GSocket_Write #1, size %d\n", size ));
 
   if (m_fd == INVALID_SOCKET || m_server)
   GSocket_Debug(( "GSocket_Write #1, size %d\n", size ));
 
   if (m_fd == INVALID_SOCKET || m_server)


@@ -856,7 +871,7 @@ int GSocketBSD::Write(const char *buffer, int size)
     ret = Send_Stream(buffer, size);
   else
     ret = Send_Dgram(buffer, size);
     ret = Send_Stream(buffer, size);
   else
     ret = Send_Dgram(buffer, size);

-    
+

   GSocket_Debug(( "GSocket_Write #4, size %d\n", size ));
 
   if (ret == -1)
   GSocket_Debug(( "GSocket_Write #4, size %d\n", size ));
 
   if (ret == -1)


@@ -880,7 +895,7 @@ int GSocketBSD::Write(const char *buffer, int size)
     Enable(GSOCK_OUTPUT);
     return -1;
   }
     Enable(GSOCK_OUTPUT);
     return -1;
   }

-  
+

   GSocket_Debug(( "GSocket_Write #5, size %d ret %d\n", size, ret ));
 
   return ret;
   GSocket_Debug(( "GSocket_Write #5, size %d ret %d\n", size, ret ));
 
   return ret;


@@ -893,9 +908,9 @@ int GSocketBSD::Write(const char *buffer, int size)
  *  performed. This function won't block, regardless of the
  *  mode (blocking | nonblocking) of the socket.
  */
  *  performed. This function won't block, regardless of the
  *  mode (blocking | nonblocking) of the socket.
  */

-GSocketEventFlags GSocketBSD::Select(GSocketEventFlags flags)
+GSocketEventFlags GSocket::Select(GSocketEventFlags flags)

 {
 {

-  if (!GSocketBSDGUIShim::UseGUI())
+  if (!gs_gui_functions->CanUseEventLoop())

   {
 
     GSocketEventFlags result = 0;
   {
 
     GSocketEventFlags result = 0;


@@ -904,17 +919,17 @@ GSocketEventFlags GSocketBSD::Select(GSocketEventFlags flags)
     fd_set exceptfds;
     struct timeval tv;
 
     fd_set exceptfds;
     struct timeval tv;
 

+    assert(this);
+

     /* Do not use a static struct, Linux can garble it */
     tv.tv_sec = m_timeout / 1000;
     /* Do not use a static struct, Linux can garble it */
     tv.tv_sec = m_timeout / 1000;

-    tv.tv_usec = (m_timeout % 1000) / 1000;
-
-    assert(this);
+    tv.tv_usec = (m_timeout % 1000) * 1000;

 
     FD_ZERO(&readfds);
     FD_ZERO(&writefds);
     FD_ZERO(&exceptfds);
     FD_SET(m_fd, &readfds);
 
     FD_ZERO(&readfds);
     FD_ZERO(&writefds);
     FD_ZERO(&exceptfds);
     FD_SET(m_fd, &readfds);

-    if (flags & GSOCK_OUTPUT_FLAG)
+    if (flags & GSOCK_OUTPUT_FLAG || flags & GSOCK_CONNECTION_FLAG)

       FD_SET(m_fd, &writefds);
     FD_SET(m_fd, &exceptfds);
 
       FD_SET(m_fd, &writefds);
     FD_SET(m_fd, &exceptfds);
 


@@ -926,7 +941,7 @@ GSocketEventFlags GSocketBSD::Select(GSocketEventFlags flags)
      */
     if ((m_detected & GSOCK_LOST_FLAG) != 0)
     {
      */
     if ((m_detected & GSOCK_LOST_FLAG) != 0)
     {

-      m_establishing = FALSE;
+      m_establishing = false;

 
       return (GSOCK_LOST_FLAG & flags);
     }
 
       return (GSOCK_LOST_FLAG & flags);
     }


@@ -957,8 +972,8 @@ GSocketEventFlags GSocketBSD::Select(GSocketEventFlags flags)
         else
         {
           m_detected = GSOCK_LOST_FLAG;
         else
         {
           m_detected = GSOCK_LOST_FLAG;

-          m_establishing = FALSE;
-      
+          m_establishing = false;
+

           /* LOST event: Abort any further processing */
           return (GSOCK_LOST_FLAG & flags);
         }
           /* LOST event: Abort any further processing */
           return (GSOCK_LOST_FLAG & flags);
         }


@@ -973,7 +988,7 @@ GSocketEventFlags GSocketBSD::Select(GSocketEventFlags flags)
         int error;
         SOCKLEN_T len = sizeof(error);
 
         int error;
         SOCKLEN_T len = sizeof(error);
 

-        m_establishing = FALSE;
+        m_establishing = false;

 
         getsockopt(m_fd, SOL_SOCKET, SO_ERROR, (void*)&error, &len);
 
 
         getsockopt(m_fd, SOL_SOCKET, SO_ERROR, (void*)&error, &len);
 


@@ -999,7 +1014,7 @@ GSocketEventFlags GSocketBSD::Select(GSocketEventFlags flags)
     /* Check for exceptions and errors (is this useful in Unices?) */
     if (FD_ISSET(m_fd, &exceptfds))
     {
     /* Check for exceptions and errors (is this useful in Unices?) */
     if (FD_ISSET(m_fd, &exceptfds))
     {

-      m_establishing = FALSE;
+      m_establishing = false;

       m_detected = GSOCK_LOST_FLAG;
 
       /* LOST event: Abort any further processing */
       m_detected = GSOCK_LOST_FLAG;
 
       /* LOST event: Abort any further processing */


@@ -1024,7 +1039,7 @@ GSocketEventFlags GSocketBSD::Select(GSocketEventFlags flags)
  *  Sets the socket to non-blocking mode. All IO calls will return
  *  immediately.
  */
  *  Sets the socket to non-blocking mode. All IO calls will return
  *  immediately.
  */

-void GSocketBSD::SetNonBlocking(int non_block)
+void GSocket::SetNonBlocking(bool non_block)

 {
   assert(this);
 
 {
   assert(this);
 


@@ -1037,7 +1052,7 @@ void GSocketBSD::SetNonBlocking(int non_block)
  *  Sets the timeout for blocking calls. Time is expressed in
  *  milliseconds.
  */
  *  Sets the timeout for blocking calls. Time is expressed in
  *  milliseconds.
  */

-void GSocketBSD::SetTimeout(unsigned long millisec)
+void GSocket::SetTimeout(unsigned long millisec)

 {
   assert(this);
 
 {
   assert(this);
 


@@ -1049,7 +1064,7 @@ void GSocketBSD::SetTimeout(unsigned long millisec)
  *  operations do not clear this back to GSOCK_NOERROR, so use it only
  *  after an error.
  */
  *  operations do not clear this back to GSOCK_NOERROR, so use it only
  *  after an error.
  */

-GSocketError GSocketBSD::GetError()
+GSocketError WXDLLIMPEXP_NET GSocket::GetError()

 {
   assert(this);
 
 {
   assert(this);
 


@@ -1063,7 +1078,7 @@ GSocketError GSocketBSD::GetError()
  *   operation, there is still data available, the callback function will
  *   be called again.
  * GSOCK_OUTPUT:
  *   operation, there is still data available, the callback function will
  *   be called again.
  * GSOCK_OUTPUT:

- *   The socket is available for writing. That is, the next write call 
+ *   The socket is available for writing. That is, the next write call

  *   won't block. This event is generated only once, when the connection is
  *   first established, and then only if a call failed with GSOCK_WOULDBLOCK,
  *   when the output buffer empties again. This means that the app should
  *   won't block. This event is generated only once, when the connection is
  *   first established, and then only if a call failed with GSOCK_WOULDBLOCK,
  *   when the output buffer empties again. This means that the app should


@@ -1086,7 +1101,7 @@ GSocketError GSocketBSD::GetError()
  *
  *  void function(GSocket *socket, GSocketEvent event, char *cdata)
  */
  *
  *  void function(GSocket *socket, GSocketEvent event, char *cdata)
  */

-void GSocketBSD::SetCallback(GSocketEventFlags flags,
+void GSocket::SetCallback(GSocketEventFlags flags,

                          GSocketCallback callback, char *cdata)
 {
   int count;
                          GSocketCallback callback, char *cdata)
 {
   int count;


@@ -1107,7 +1122,7 @@ void GSocketBSD::SetCallback(GSocketEventFlags flags,
  *  Disables all callbacks specified by 'flags', which may be a
  *  combination of flags OR'ed toghether.
  */
  *  Disables all callbacks specified by 'flags', which may be a
  *  combination of flags OR'ed toghether.
  */

-void GSocketBSD::UnsetCallback(GSocketEventFlags flags)
+void GSocket::UnsetCallback(GSocketEventFlags flags)

 {
   int count;
 
 {
   int count;
 


@@ -1123,31 +1138,50 @@ void GSocketBSD::UnsetCallback(GSocketEventFlags flags)
   }
 }
 
   }
 }
 

+GSocketError GSocket::GetSockOpt(int level, int optname,
+                                void *optval, int *optlen)
+{
+    if (getsockopt(m_fd, level, optname, optval, (SOCKLEN_T*)optlen) == 0)
+    {
+        return GSOCK_NOERROR;
+    }
+    return GSOCK_OPTERR;
+}

 
 

-#define CALL_CALLBACK(event) {                                  \
-  Disable(event);                                      \
-  if (m_cbacks[event])                                          \
-    m_cbacks[event](this, event, m_data[event]);      \
+GSocketError GSocket::SetSockOpt(int level, int optname,
+                                const void *optval, int optlen)
+{
+    if (setsockopt(m_fd, level, optname, optval, optlen) == 0)
+    {
+        return GSOCK_NOERROR;
+    }
+    return GSOCK_OPTERR;
+}
+
+#define CALL_CALLBACK(socket, event) {                                  \
+  socket->Disable(event);                                               \
+  if (socket->m_cbacks[event])                                          \
+    socket->m_cbacks[event](socket, event, socket->m_data[event]);      \

 }
 
 
 }
 
 

-void GSocketBSD::Enable(GSocketEvent event)
+void GSocket::Enable(GSocketEvent event)

 {
   m_detected &= ~(1 << event);
 {
   m_detected &= ~(1 << event);

-  EventLoop_Install_Callback(event);
+  gs_gui_functions->Install_Callback(this, event);

 }
 
 }
 

-void GSocketBSD::Disable(GSocketEvent event)
+void GSocket::Disable(GSocketEvent event)

 {
   m_detected |= (1 << event);
 {
   m_detected |= (1 << event);

-  EventLoop_Uninstall_Callback(event);
+  gs_gui_functions->Uninstall_Callback(this, event);

 }
 
 /* _GSocket_Input_Timeout:
  *  For blocking sockets, wait until data is available or
  *  until timeout ellapses.
  */
 }
 
 /* _GSocket_Input_Timeout:
  *  For blocking sockets, wait until data is available or
  *  until timeout ellapses.
  */

-GSocketError GSocketBSD::Input_Timeout()
+GSocketError GSocket::Input_Timeout()

 {
   struct timeval tv;
   fd_set readfds;
 {
   struct timeval tv;
   fd_set readfds;


@@ -1186,7 +1220,7 @@ GSocketError GSocketBSD::Input_Timeout()
  *  For blocking sockets, wait until data can be sent without
  *  blocking or until timeout ellapses.
  */
  *  For blocking sockets, wait until data can be sent without
  *  blocking or until timeout ellapses.
  */

-GSocketError GSocketBSD::Output_Timeout()
+GSocketError GSocket::Output_Timeout()

 {
   struct timeval tv;
   fd_set writefds;
 {
   struct timeval tv;
   fd_set writefds;


@@ -1234,12 +1268,12 @@ GSocketError GSocketBSD::Output_Timeout()
   return GSOCK_NOERROR;
 }
 
   return GSOCK_NOERROR;
 }
 

-int GSocketBSD::Recv_Stream(char *buffer, int size)
+int GSocket::Recv_Stream(char *buffer, int size)

 {
   return recv(m_fd, buffer, size, 0);
 }
 
 {
   return recv(m_fd, buffer, size, 0);
 }
 

-int GSocketBSD::Recv_Dgram(char *buffer, int size)
+int GSocket::Recv_Dgram(char *buffer, int size)

 {
   struct sockaddr from;
   SOCKLEN_T fromlen = sizeof(from);
 {
   struct sockaddr from;
   SOCKLEN_T fromlen = sizeof(from);


@@ -1275,7 +1309,7 @@ int GSocketBSD::Recv_Dgram(char *buffer, int size)
   return ret;
 }
 
   return ret;
 }
 

-int GSocketBSD::Send_Stream(const char *buffer, int size)
+int GSocket::Send_Stream(const char *buffer, int size)

 {
   int ret;
 
 {
   int ret;
 


@@ -1290,7 +1324,7 @@ int GSocketBSD::Send_Stream(const char *buffer, int size)
   return ret;
 }
 
   return ret;
 }
 

-int GSocketBSD::Send_Dgram(const char *buffer, int size)
+int GSocket::Send_Dgram(const char *buffer, int size)

 {
   struct sockaddr *addr;
   int len, ret;
 {
   struct sockaddr *addr;
   int len, ret;


@@ -1323,7 +1357,7 @@ int GSocketBSD::Send_Dgram(const char *buffer, int size)
   return ret;
 }
 
   return ret;
 }
 

-void GSocketBSD::Detected_Read()
+void GSocket::Detected_Read()

 {
   char c;
 
 {
   char c;
 


@@ -1332,41 +1366,41 @@ void GSocketBSD::Detected_Read()
    */
   if ((m_detected & GSOCK_LOST_FLAG) != 0)
   {
    */
   if ((m_detected & GSOCK_LOST_FLAG) != 0)
   {

-    m_establishing = FALSE;
+    m_establishing = false;

 
 

-    CALL_CALLBACK(GSOCK_LOST);
+    CALL_CALLBACK(this, GSOCK_LOST);

     Shutdown();
     return;
   }
 
   if (recv(m_fd, &c, 1, MSG_PEEK) > 0)
   {
     Shutdown();
     return;
   }
 
   if (recv(m_fd, &c, 1, MSG_PEEK) > 0)
   {

-    CALL_CALLBACK(GSOCK_INPUT);
+    CALL_CALLBACK(this, GSOCK_INPUT);

   }
   else
   {
     if (m_server && m_stream)
     {
   }
   else
   {
     if (m_server && m_stream)
     {

-      CALL_CALLBACK(GSOCK_CONNECTION);
+      CALL_CALLBACK(this, GSOCK_CONNECTION);

     }
     else
     {
     }
     else
     {

-      CALL_CALLBACK(GSOCK_LOST);
+      CALL_CALLBACK(this, GSOCK_LOST);

       Shutdown();
     }
   }
 }
 
       Shutdown();
     }
   }
 }
 

-void GSocketBSD::Detected_Write()
+void GSocket::Detected_Write()

 {
   /* If we have already detected a LOST event, then don't try
    * to do any further processing.
    */
   if ((m_detected & GSOCK_LOST_FLAG) != 0)
   {
 {
   /* If we have already detected a LOST event, then don't try
    * to do any further processing.
    */
   if ((m_detected & GSOCK_LOST_FLAG) != 0)
   {

-    m_establishing = FALSE;
+    m_establishing = false;

 
 

-    CALL_CALLBACK(GSOCK_LOST);
+    CALL_CALLBACK(this, GSOCK_LOST);

     Shutdown();
     return;
   }
     Shutdown();
     return;
   }


@@ -1376,58 +1410,41 @@ void GSocketBSD::Detected_Write()
     int error;
     SOCKLEN_T len = sizeof(error);
 
     int error;
     SOCKLEN_T len = sizeof(error);
 

-    m_establishing = FALSE;
+    m_establishing = false;

 
     getsockopt(m_fd, SOL_SOCKET, SO_ERROR, (void*)&error, &len);
 
     if (error)
     {
 
     getsockopt(m_fd, SOL_SOCKET, SO_ERROR, (void*)&error, &len);
 
     if (error)
     {

-      CALL_CALLBACK(GSOCK_LOST);
+      CALL_CALLBACK(this, GSOCK_LOST);

       Shutdown();
     }
     else
     {
       Shutdown();
     }
     else
     {

-      CALL_CALLBACK(GSOCK_CONNECTION);
+      CALL_CALLBACK(this, GSOCK_CONNECTION);

       /* We have to fire this event by hand because CONNECTION (for clients)
        * and OUTPUT are internally the same and we just disabled CONNECTION
        * events with the above macro.
        */
       /* We have to fire this event by hand because CONNECTION (for clients)
        * and OUTPUT are internally the same and we just disabled CONNECTION
        * events with the above macro.
        */

-      CALL_CALLBACK(GSOCK_OUTPUT);
+      CALL_CALLBACK(this, GSOCK_OUTPUT);

     }
   }
   else
   {
     }
   }
   else
   {

-    CALL_CALLBACK(GSOCK_OUTPUT);
+    CALL_CALLBACK(this, GSOCK_OUTPUT);

   }
 }
 
 /* Compatibility functions for GSocket */
 GSocket *GSocket_new(void)
 {
   }
 }
 
 /* Compatibility functions for GSocket */
 GSocket *GSocket_new(void)
 {

-    GSocket *newsocket = new GSocketBSDGUIShim();
+    GSocket *newsocket = new GSocket();

     if(newsocket->IsOk())
         return newsocket;
     delete newsocket;
     return NULL;
 }
 
     if(newsocket->IsOk())
         return newsocket;
     delete newsocket;
     return NULL;
 }
 

-void GSocket_destroy(GSocket *socket)
-{
-    assert(socket);
-
-    /* Check that the socket is really shutdowned */
-    if (socket->m_fd != INVALID_SOCKET)
-      socket->Shutdown();
-
-    delete socket;
-}
-
-void GSocketBSD::_GSocket_Detected_Read(GSocket *socket)
-{   socket->Detected_Read(); }
-
-void GSocketBSD::_GSocket_Detected_Write(GSocket *socket)
-{   socket->Detected_Write(); }
-

 /*
  * -------------------------------------------------------------------------
  * GAddress
 /*
  * -------------------------------------------------------------------------
  * GAddress


@@ -1634,8 +1651,10 @@ GSocketError GAddress_INET_SetHostName(GAddress *address, const char *hostname)
   {
 #else
   /* Use gethostbyname by default */
   {
 #else
   /* Use gethostbyname by default */

-  int val = 1;  //VA doesn't like constants in conditional expressions at all
+#ifndef __WXMAC__
+  int val = 1;  /* VA doesn't like constants in conditional expressions */

   if (val)
   if (val)

+#endif

   {
 #endif
     struct in_addr *array_addr;
   {
 #endif
     struct in_addr *array_addr;


@@ -1669,7 +1688,7 @@ GSocketError GAddress_INET_SetHostAddress(GAddress *address,
   CHECK_ADDRESS(address, INET);
 
   addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr);
   CHECK_ADDRESS(address, INET);
 
   addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr);

-  addr->s_addr = hostaddr;
+  addr->s_addr = htonl(hostaddr);

 
   return GSOCK_NOERROR;
 }
 
   return GSOCK_NOERROR;
 }


@@ -1688,7 +1707,7 @@ GSocketError GAddress_INET_SetPortName(GAddress *address, const char *port,
     address->m_error = GSOCK_INVPORT;
     return GSOCK_INVPORT;
   }
     address->m_error = GSOCK_INVPORT;
     return GSOCK_INVPORT;
   }

- 
+

   se = getservbyname(port, protocol);
   if (!se)
   {
   se = getservbyname(port, protocol);
   if (!se)
   {


@@ -1720,7 +1739,7 @@ GSocketError GAddress_INET_SetPort(GAddress *address, unsigned short port)
 
   assert(address != NULL);
   CHECK_ADDRESS(address, INET);
 
   assert(address != NULL);
   CHECK_ADDRESS(address, INET);

- 
+

   addr = (struct sockaddr_in *)address->m_addr;
   addr->sin_port = htons(port);
 
   addr = (struct sockaddr_in *)address->m_addr;
   addr->sin_port = htons(port);
 


@@ -1733,7 +1752,7 @@ GSocketError GAddress_INET_GetHostName(GAddress *address, char *hostname, size_t
   char *addr_buf;
   struct sockaddr_in *addr;
 
   char *addr_buf;
   struct sockaddr_in *addr;
 

-  assert(address != NULL); 
+  assert(address != NULL);

   CHECK_ADDRESS(address, INET);
 
   addr = (struct sockaddr_in *)address->m_addr;
   CHECK_ADDRESS(address, INET);
 
   addr = (struct sockaddr_in *)address->m_addr;


@@ -1755,20 +1774,20 @@ unsigned long GAddress_INET_GetHostAddress(GAddress *address)
 {
   struct sockaddr_in *addr;
 
 {
   struct sockaddr_in *addr;
 

-  assert(address != NULL); 
-  CHECK_ADDRESS_RETVAL(address, INET, 0); 
+  assert(address != NULL);
+  CHECK_ADDRESS_RETVAL(address, INET, 0);

 
   addr = (struct sockaddr_in *)address->m_addr;
 
 
   addr = (struct sockaddr_in *)address->m_addr;
 

-  return addr->sin_addr.s_addr;
+  return ntohl(addr->sin_addr.s_addr);

 }
 
 unsigned short GAddress_INET_GetPort(GAddress *address)
 {
   struct sockaddr_in *addr;
 
 }
 
 unsigned short GAddress_INET_GetPort(GAddress *address)
 {
   struct sockaddr_in *addr;
 

-  assert(address != NULL); 
-  CHECK_ADDRESS_RETVAL(address, INET, 0); 
+  assert(address != NULL);
+  CHECK_ADDRESS_RETVAL(address, INET, 0);

 
   addr = (struct sockaddr_in *)address->m_addr;
   return ntohs(addr->sin_port);
 
   addr = (struct sockaddr_in *)address->m_addr;
   return ntohs(addr->sin_port);


@@ -1805,9 +1824,9 @@ GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path)
 {
   struct sockaddr_un *addr;
 
 {
   struct sockaddr_un *addr;
 

-  assert(address != NULL); 
+  assert(address != NULL);

 
 

-  CHECK_ADDRESS(address, UNIX); 
+  CHECK_ADDRESS(address, UNIX);

 
   addr = ((struct sockaddr_un *)address->m_addr);
   strncpy(addr->sun_path, path, UNIX_SOCK_PATHLEN);
 
   addr = ((struct sockaddr_un *)address->m_addr);
   strncpy(addr->sun_path, path, UNIX_SOCK_PATHLEN);