xti additions / changes, trying to reduce dependencies

[wxWidgets.git] / src / msw / gsocket.c

diff --git a/src/msw/gsocket.c b/src/msw/gsocket.c
index 6493dbfcec3078692f917369ab0f2554fce282c5..60f2a26d15c35b7d3ae67c4499d091260a7fa7a5 100644 (file)
--- a/src/msw/gsocket.c
+++ b/src/msw/gsocket.c
@@ -3,6 +3,7 @@
  * Name:    gsocket.c
  * Author:  Guillermo Rodriguez Garcia <guille@iies.es>
  * Purpose: GSocket main MSW file
  * Name:    gsocket.c
  * Author:  Guillermo Rodriguez Garcia <guille@iies.es>
  * Purpose: GSocket main MSW file

+ * Licence: The wxWindows licence

  * CVSID:   $Id$
  * -------------------------------------------------------------------------
  */
  * CVSID:   $Id$
  * -------------------------------------------------------------------------
  */


@@ -43,15 +44,16 @@
 #  include "gsocket.h"
 #endif /* __GSOCKET_STANDALONE__ */
 
 #  include "gsocket.h"
 #endif /* __GSOCKET_STANDALONE__ */
 

-/* Redefine some GUI-only functions to do nothing in console mode */
-#if defined(wxUSE_GUI) && !wxUSE_GUI
-#  define _GSocket_GUI_Init(socket) (1)
-#  define _GSocket_GUI_Destroy(socket)
-#  define _GSocket_Enable_Events(socket)
-#  define _GSocket_Disable_Events(socket)
-#endif /* wxUSE_GUI */
-
+#ifndef __WXWINCE__

 #include <assert.h>
 #include <assert.h>

+#else
+#define assert(x)
+#ifndef isdigit
+#define isdigit(x) (x > 47 && x < 58)
+#endif
+#include "wx/msw/wince/net.h"
+#endif
+

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


@@ -63,6 +65,62 @@
 #  define SOCKLEN_T int
 #endif
 
 #  define SOCKLEN_T int
 #endif
 

+/* Table of GUI-related functions. We must call them indirectly because
+ * of wxBase and GUI separation: */
+
+static struct GSocketGUIFunctionsTable *gs_gui_functions;
+
+#define USE_GUI() (gs_gui_functions != NULL)
+
+/* Define macros to simplify indirection: */
+#define _GSocket_GUI_Init() \
+    if (gs_gui_functions) gs_gui_functions->GUI_Init()
+#define _GSocket_GUI_Cleanup() \
+    if (gs_gui_functions) gs_gui_functions->GUI_Cleanup()
+#define _GSocket_GUI_Init_Socket(socket) \
+    (gs_gui_functions ? gs_gui_functions->GUI_Init_Socket(socket) : 1)
+#define _GSocket_GUI_Destroy_Socket(socket) \
+    if (gs_gui_functions) gs_gui_functions->GUI_Destroy_Socket(socket)
+#define _GSocket_Enable_Events(socket) \
+    if (gs_gui_functions) gs_gui_functions->Enable_Events(socket)
+#define _GSocket_Disable_Events(socket) \
+    if (gs_gui_functions) gs_gui_functions->Disable_Events(socket)
+#define _GSocket_Install_Callback(socket, event) \
+    if (gs_gui_functions) gs_gui_functions->Install_Callback(socket, event)
+#define _GSocket_Uninstall_Callback(socket, event) \
+    if (gs_gui_functions) gs_gui_functions->Uninstall_Callback(socket, event)
+
+/* Global initialisers */
+
+void GSocket_SetGUIFunctions(struct GSocketGUIFunctionsTable *guifunc)
+{
+  gs_gui_functions = guifunc;
+}
+         
+int GSocket_Init(void)
+{
+  WSADATA wsaData;
+  
+  if (gs_gui_functions)
+  {
+      if ( !gs_gui_functions->GUI_Init() )
+        return 0;
+  }
+
+  /* Initialize WinSocket */
+  return (WSAStartup((1 << 8) | 1, &wsaData) == 0);
+}
+
+void GSocket_Cleanup(void)
+{
+  if (gs_gui_functions)
+  {
+      gs_gui_functions->GUI_Cleanup();
+  }
+  
+  /* Cleanup WinSocket */
+  WSACleanup();
+}

 
 /* Constructors / Destructors for GSocket */
 
 
 /* Constructors / Destructors for GSocket */
 


@@ -91,7 +149,7 @@ GSocket *GSocket_new(void)
   socket->m_establishing    = FALSE;
 
   /* Per-socket GUI-specific initialization */
   socket->m_establishing    = FALSE;
 
   /* Per-socket GUI-specific initialization */

-  success = _GSocket_GUI_Init(socket);
+  success = _GSocket_GUI_Init_Socket(socket);

   if (!success)
   {
     free(socket);
   if (!success)
   {
     free(socket);


@@ -113,7 +171,7 @@ void GSocket_destroy(GSocket *socket)
   assert(socket != NULL);
 
   /* Per-socket GUI-specific cleanup */
   assert(socket != NULL);
 
   /* Per-socket GUI-specific cleanup */

-  _GSocket_GUI_Destroy(socket);
+  _GSocket_GUI_Destroy_Socket(socket);

 
   /* Check that the socket is really shutdowned */
   if (socket->m_fd != INVALID_SOCKET)
 
   /* Check that the socket is really shutdowned */
   if (socket->m_fd != INVALID_SOCKET)


@@ -695,119 +753,118 @@ int GSocket_Write(GSocket *socket, const char *buffer, int size)
  */
 GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags)
 {
  */
 GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags)
 {

-#if defined(wxUSE_GUI) && !wxUSE_GUI
-
-  GSocketEventFlags result = 0;
-  fd_set readfds;
-  fd_set writefds;
-  fd_set exceptfds;
-  static const struct timeval tv = { 0, 0 };
-
-  assert(socket != NULL);
-
-  FD_ZERO(&readfds);
-  FD_ZERO(&writefds);
-  FD_ZERO(&exceptfds);
-  FD_SET(socket->m_fd, &readfds);
-  FD_SET(socket->m_fd, &writefds);
-  FD_SET(socket->m_fd, &exceptfds);
+  if (!USE_GUI())
+  {
+    GSocketEventFlags result = 0;
+    fd_set readfds;
+    fd_set writefds;
+    fd_set exceptfds;
+    static const struct timeval tv = { 0, 0 };

 
 

-  /* Check 'sticky' CONNECTION flag first */
-  result |= (GSOCK_CONNECTION_FLAG & socket->m_detected);
+    assert(socket != NULL);

 
 

-  /* If we have already detected a LOST event, then don't try
-   * to do any further processing.
-   */
-  if ((socket->m_detected & GSOCK_LOST_FLAG) != 0)
-  {
-    socket->m_establishing = FALSE;
+    FD_ZERO(&readfds);
+    FD_ZERO(&writefds);
+    FD_ZERO(&exceptfds);
+    FD_SET(socket->m_fd, &readfds);
+    FD_SET(socket->m_fd, &writefds);
+    FD_SET(socket->m_fd, &exceptfds);

 
 

-    return (GSOCK_LOST_FLAG & flags);
-  }
+    /* Check 'sticky' CONNECTION flag first */
+    result |= (GSOCK_CONNECTION_FLAG & socket->m_detected);

 
 

-  /* Try select now */
-  if (select(socket->m_fd + 1, &readfds, &writefds, &exceptfds, &tv) <= 0)
-  {
-    /* What to do here? */
-    return (result & flags);
-  }
+    /* If we have already detected a LOST event, then don't try
+     * to do any further processing.
+     */
+    if ((socket->m_detected & GSOCK_LOST_FLAG) != 0)
+    {
+      socket->m_establishing = FALSE;

 
 

-  /* Check for readability */
-  if (FD_ISSET(socket->m_fd, &readfds))
-  {
-    char c;
+      return (GSOCK_LOST_FLAG & flags);
+    }

 
 

-    if (recv(socket->m_fd, &c, 1, MSG_PEEK) > 0)
+    /* Try select now */
+    if (select(socket->m_fd + 1, &readfds, &writefds, &exceptfds, &tv) <= 0)

     {
     {

-      result |= GSOCK_INPUT_FLAG;
+      /* What to do here? */
+      return (result & flags);

     }
     }

-    else
+
+    /* Check for readability */
+    if (FD_ISSET(socket->m_fd, &readfds))

     {
     {

-      if (socket->m_server && socket->m_stream)
+      char c;
+
+      if (recv(socket->m_fd, &c, 1, MSG_PEEK) > 0)

       {
       {

-        result |= GSOCK_CONNECTION_FLAG;
-        socket->m_detected |= GSOCK_CONNECTION_FLAG;
+        result |= GSOCK_INPUT_FLAG;

       }
       else
       {
       }
       else
       {

-        socket->m_detected = GSOCK_LOST_FLAG;
-        socket->m_establishing = FALSE;
-    
-        /* LOST event: Abort any further processing */
-        return (GSOCK_LOST_FLAG & flags);
+        if (socket->m_server && socket->m_stream)
+        {
+          result |= GSOCK_CONNECTION_FLAG;
+          socket->m_detected |= GSOCK_CONNECTION_FLAG;
+        }
+        else
+        {
+          socket->m_detected = GSOCK_LOST_FLAG;
+          socket->m_establishing = FALSE;
+      
+          /* LOST event: Abort any further processing */
+          return (GSOCK_LOST_FLAG & flags);
+        }

       }
     }
       }
     }

-  }

 
 

-  /* Check for writability */
-  if (FD_ISSET(socket->m_fd, &writefds))
-  {
-    if (socket->m_establishing && !socket->m_server)
+    /* Check for writability */
+    if (FD_ISSET(socket->m_fd, &writefds))

     {
     {

-      int error;
-      SOCKLEN_T len = sizeof(error);
+      if (socket->m_establishing && !socket->m_server)
+      {
+        int error;
+        SOCKLEN_T len = sizeof(error);

 
 

-      socket->m_establishing = FALSE;
+        socket->m_establishing = FALSE;

 
 

-      getsockopt(socket->m_fd, SOL_SOCKET, SO_ERROR, (void*)&error, &len);
+        getsockopt(socket->m_fd, SOL_SOCKET, SO_ERROR, (void*)&error, &len);

 
 

-      if (error)
-      {
-        socket->m_detected = GSOCK_LOST_FLAG;
+        if (error)
+        {
+          socket->m_detected = GSOCK_LOST_FLAG;

 
 

-        /* LOST event: Abort any further processing */
-        return (GSOCK_LOST_FLAG & flags);
+          /* LOST event: Abort any further processing */
+          return (GSOCK_LOST_FLAG & flags);
+        }
+        else
+        {
+          result |= GSOCK_CONNECTION_FLAG;
+          socket->m_detected |= GSOCK_CONNECTION_FLAG;
+        }

       }
       else
       {
       }
       else
       {

-        result |= GSOCK_CONNECTION_FLAG;
-        socket->m_detected |= GSOCK_CONNECTION_FLAG;
+        result |= GSOCK_OUTPUT_FLAG;

       }
     }
       }
     }

-    else
+
+    /* Check for exceptions and errors (is this useful in Unices?) */
+    if (FD_ISSET(socket->m_fd, &exceptfds))

     {
     {

-      result |= GSOCK_OUTPUT_FLAG;
+      socket->m_establishing = FALSE;
+      socket->m_detected = GSOCK_LOST_FLAG;
+
+      /* LOST event: Abort any further processing */
+      return (GSOCK_LOST_FLAG & flags);

     }
     }

-  }

 
 

-  /* Check for exceptions and errors (is this useful in Unices?) */
-  if (FD_ISSET(socket->m_fd, &exceptfds))
+    return (result & flags);
+  }
+  else /* USE_GUI() */

   {
   {

-    socket->m_establishing = FALSE;
-    socket->m_detected = GSOCK_LOST_FLAG;
-
-    /* LOST event: Abort any further processing */
-    return (GSOCK_LOST_FLAG & flags);
+    assert(socket != NULL);
+    return flags & socket->m_detected;

   }
   }

-
-  return (result & flags);
-
-#else
-
-  assert(socket != NULL);
-  return flags & socket->m_detected;
-
-#endif /* !wxUSE_GUI */

 }
 
 /* Attributes */
 }
 
 /* Attributes */


@@ -1407,6 +1464,10 @@ GSocketError _GAddress_Init_UNIX(GAddress *address)
 
 GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path)
 {
 
 GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path)
 {

+#if defined(__BORLANDC__)
+  /* prevents unused variable message in Borland */
+  (void)path;
+#endif

   assert (address != NULL);
   address->m_error = GSOCK_INVADDR;
   return GSOCK_INVADDR;
   assert (address != NULL);
   address->m_error = GSOCK_INVADDR;
   return GSOCK_INVADDR;


@@ -1414,6 +1475,11 @@ GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path)
 
 GSocketError GAddress_UNIX_GetPath(GAddress *address, char *path, size_t sbuf)
 {
 
 GSocketError GAddress_UNIX_GetPath(GAddress *address, char *path, size_t sbuf)
 {

+#if defined(__BORLANDC__)
+  /* prevents unused variable message in Borland */
+  (void)path;
+  (void)sbuf;
+#endif

   assert (address != NULL);
   address->m_error = GSOCK_INVADDR;
   return GSOCK_INVADDR;
   assert (address != NULL);
   address->m_error = GSOCK_INVADDR;
   return GSOCK_INVADDR;