X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/521bf4ff3ef47059265beff5d53c9e1162beb122..ff55f8377ba8965bee36d1221501a3868da952e9:/src/msw/gsockmsw.cpp

diff --git a/src/msw/gsockmsw.cpp b/src/msw/gsockmsw.cpp
index 7be69eb826..3ca8b48349 100644
--- a/src/msw/gsockmsw.cpp
+++ b/src/msw/gsockmsw.cpp
@@ -16,6 +16,8 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_SOCKETS
+
 /*
  * DONE: for WinCE we need to replace WSAAsyncSelect
  * (Windows message-based notification of network events for a socket)
@@ -34,54 +36,16 @@
 #   pragma warning(disable:4115) /* named type definition in parentheses */
 #endif
 
-/* This needs to be before the wx/defs/h inclusion
- * for some reason
- */
-
-#ifdef __WXWINCE__
-    /* windows.h results in tons of warnings at max warning level */
-#   ifdef _MSC_VER
-#       pragma warning(push, 1)
-#   endif
-#   include <windows.h>
-#   ifdef _MSC_VER
-#       pragma warning(pop)
-#       pragma warning(disable:4514)
-#   endif
-#endif
-
-#ifndef __GSOCKET_STANDALONE__
-#   include "wx/platform.h"
-#endif
-
-#if wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__)
-
-#ifndef __GSOCKET_STANDALONE__
-
-#include "wx/msw/gsockmsw.h"
 #include "wx/gsocket.h"
+#include "wx/apptrait.h"
+#include "wx/link.h"
 
-extern "C" WXDLLIMPEXP_BASE HINSTANCE wxGetInstance(void);
-#define INSTANCE wxGetInstance()
+wxFORCE_LINK_THIS_MODULE(gsockmsw)
 
-#else /* __GSOCKET_STANDALONE__ */
-
-#include "gsockmsw.h"
-#include "gsocket.h"
-
-/* If not using wxWidgets, a global var called hInst must
- * be available and it must contain the app's instance
- * handle.
- */
-extern HINSTANCE hInst;
-#define INSTANCE hInst
-
-#endif /* !__GSOCKET_STANDALONE__/__GSOCKET_STANDALONE__ */
+extern "C" WXDLLIMPEXP_BASE HINSTANCE wxGetInstance();
+#define INSTANCE wxGetInstance()
 
-#ifndef __WXWINCE__
-#include <assert.h>
-#else
-#define assert(x)
+#ifdef __WXWINCE__
 #include <winsock.h>
 #include "wx/msw/wince/net.h"
 #include "wx/hashmap.h"
@@ -125,7 +89,7 @@ typedef struct _WSANETWORKEVENTS {
        long lNetworkEvents;
        int iErrorCode[10];
 } WSANETWORKEVENTS, FAR * LPWSANETWORKEVENTS;
-typedef HANDLE (PASCAL *WSACreateEventFunc)(void);
+typedef HANDLE (PASCAL *WSACreateEventFunc)();
 typedef int (PASCAL *WSAEventSelectFunc)(SOCKET,HANDLE,long);
 typedef int (PASCAL *WSAWaitForMultipleEventsFunc)(long,HANDLE,BOOL,long,BOOL);
 typedef int (PASCAL *WSAEnumNetworkEventsFunc)(SOCKET,HANDLE,LPWSANETWORKEVENTS);
@@ -210,15 +174,29 @@ DWORD WINAPI SocketThread(LPVOID data)
 }
 #endif
 
+// ----------------------------------------------------------------------------
+// MSW implementation of GSocketManager
+// ----------------------------------------------------------------------------
 
-bool GSocketGUIFunctionsTableConcrete::CanUseEventLoop()
+class GSocketMSWManager : public GSocketManager
 {
-    return true;
-}
+public:
+    virtual bool OnInit();
+    virtual void OnExit();
+
+    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);
+};
 
 /* Global initializers */
 
-bool GSocketGUIFunctionsTableConcrete::OnInit()
+bool GSocketMSWManager::OnInit()
 {
   static LPCTSTR pclassname = NULL;
   int i;
@@ -280,7 +258,7 @@ bool GSocketGUIFunctionsTableConcrete::OnInit()
   return true;
 }
 
-void GSocketGUIFunctionsTableConcrete::OnExit()
+void GSocketMSWManager::OnExit()
 {
 #ifdef __WXWINCE__
 /* Delete the threads here */
@@ -304,7 +282,7 @@ void GSocketGUIFunctionsTableConcrete::OnExit()
 
 /* Per-socket GUI initialization / cleanup */
 
-bool GSocketGUIFunctionsTableConcrete::Init_Socket(GSocket *socket)
+bool GSocketMSWManager::Init_Socket(GSocket *socket)
 {
   int i;
 
@@ -331,14 +309,40 @@ bool GSocketGUIFunctionsTableConcrete::Init_Socket(GSocket *socket)
   return true;
 }
 
-void GSocketGUIFunctionsTableConcrete::Destroy_Socket(GSocket *socket)
+void GSocketMSWManager::Destroy_Socket(GSocket *socket)
 {
   /* Remove the socket from the list */
   EnterCriticalSection(&critical);
-  socketList[(socket->m_msgnumber - WM_USER)] = NULL;
+
+  const int msgnum = socket->m_msgnumber;
+  if ( msgnum )
+  {
+      // we need to remove any pending messages for this socket to avoid having
+      // them sent to a new socket which could reuse the same message number as
+      // soon as we destroy this one
+      MSG msg;
+      while ( ::PeekMessage(&msg, hWin, msgnum, msgnum, PM_REMOVE) )
+          ;
+
+      socketList[msgnum - WM_USER] = NULL;
+  }
+  //else: the socket has never been created successfully
+
   LeaveCriticalSection(&critical);
 }
 
+void GSocketMSWManager::Install_Callback(GSocket * WXUNUSED(socket),
+                                         GSocketEvent WXUNUSED(event))
+{
+    wxFAIL_MSG( _T("not used under MSW") );
+}
+
+void GSocketMSWManager::Uninstall_Callback(GSocket * WXUNUSED(socket),
+                                           GSocketEvent WXUNUSED(event))
+{
+    wxFAIL_MSG( _T("not used under MSW") );
+}
+
 /* Windows proc for asynchronous event handling */
 
 LRESULT CALLBACK _GSocket_Internal_WinProc(HWND hWnd,
@@ -363,7 +367,7 @@ LRESULT CALLBACK _GSocket_Internal_WinProc(HWND hWnd,
      * destroyed) and for safety, check that the m_fd field
      * is what we expect it to be.
      */
-    if ((socket != NULL) && (socket->m_fd == wParam))
+    if ((socket != NULL) && ((WPARAM)socket->m_fd == wParam))
     {
       switch WSAGETSELECTEVENT(lParam)
       {
@@ -415,10 +419,8 @@ LRESULT CALLBACK _GSocket_Internal_WinProc(HWND hWnd,
  *  events for internal processing, but we will only notify users
  *  when an appropiate callback function has been installed.
  */
-void GSocketGUIFunctionsTableConcrete::Enable_Events(GSocket *socket)
+void GSocketMSWManager::Enable_Events(GSocket *socket)
 {
-  assert (socket != NULL);
-
   if (socket->m_fd != INVALID_SOCKET)
   {
     /* We could probably just subscribe to all events regardless
@@ -448,10 +450,8 @@ void GSocketGUIFunctionsTableConcrete::Enable_Events(GSocket *socket)
 /* _GSocket_Disable_Events:
  *  Disable event notifications (when shutdowning the socket)
  */
-void GSocketGUIFunctionsTableConcrete::Disable_Events(GSocket *socket)
+void GSocketMSWManager::Disable_Events(GSocket *socket)
 {
-  assert (socket != NULL);
-
   if (socket->m_fd != INVALID_SOCKET)
   {
 #ifndef __WXWINCE__
@@ -463,12 +463,17 @@ void GSocketGUIFunctionsTableConcrete::Disable_Events(GSocket *socket)
   }
 }
 
-#else /* !wxUSE_SOCKETS */
-
-/*
- * Translation unit shouldn't be empty, so include this typedef to make the
- * compiler (VC++ 6.0, for example) happy
- */
-typedef void (*wxDummy)();
+// set the wxBase variable to point to our GSocketManager implementation
+//
+// see comments in wx/msw/apptbase.h for the explanation of why do we do it
+// like this
+static struct ManagerSetter
+{
+    ManagerSetter()
+    {
+        static GSocketMSWManager s_manager;
+        wxAppTraits::SetDefaultSocketManager(&s_manager);
+    }
+} gs_managerSetter;
 
-#endif  /* wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) */
+#endif  // wxUSE_SOCKETS