/* -------------------------------------------------------------------------
- * Project: GSocket (Generic Socket)
- * Name: gsockmsw.cpp
- * Author: Guillermo Rodriguez Garcia <guille@iies.es>
- * Purpose: GSocket GUI-specific MSW code
- * CVSID: $Id$
+ * Project: GSocket (Generic Socket)
+ * Name: src/msw/gsockmsw.cpp
+ * Copyright: (c) Guilhem Lavaux
+ * Licence: wxWindows Licence
+ * Author: Guillermo Rodriguez Garcia <guille@iies.es>
+ * Purpose: GSocket GUI-specific MSW code
+ * CVSID: $Id$
* -------------------------------------------------------------------------
*/
#pragma hdrstop
#endif
+#if wxUSE_SOCKETS
+
/*
* DONE: for WinCE we need to replace WSAAsyncSelect
* (Windows message-based notification of network events for a socket)
# 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"
-# include "wx/setup.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()
-
-#else /* __GSOCKET_STANDALONE__ */
+wxFORCE_LINK_THIS_MODULE(gsockmsw)
-#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"
+WX_DECLARE_HASH_MAP(int,bool,wxIntegerHash,wxIntegerEqual,SocketHash);
#endif
#include <string.h>
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);
#ifndef __WXWINCE__
static WSAAsyncSelectFunc gs_WSAAsyncSelect = NULL;
#else
-/* Setup WinCE specific stuff
-*/
-static socket_running;
+static SocketHash socketHash;
static unsigned int currSocket;
HANDLE hThread[MAXSOCKETS];
static WSACreateEventFunc gs_WSACreateEvent = NULL;
HANDLE NetworkEvent = gs_WSACreateEvent();
gs_WSAEventSelect(d->fd, NetworkEvent, d->lEvent);
- while(socket_running)
+ while(socketHash[d->fd] == true)
{
if ((gs_WSAWaitForMultipleEvents(1, &NetworkEvent, FALSE,INFINITE, FALSE)) == WAIT_FAILED)
{
}
#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;
+ static LPCTSTR pclassname = NULL;
+ int i;
- /* Create internal window for event notifications */
- hWin = wxCreateHiddenWindow(&pclassname, CLASSNAME, _GSocket_Internal_WinProc);
- if (!hWin)
- return false;
+ /* Create internal window for event notifications */
+ hWin = wxCreateHiddenWindow(&pclassname, CLASSNAME, _GSocket_Internal_WinProc);
+ if (!hWin)
+ return false;
- /* Initialize socket list */
- InitializeCriticalSection(&critical);
+ /* Initialize socket list */
+ InitializeCriticalSection(&critical);
- for (i = 0; i < MAXSOCKETS; i++)
- {
- socketList[i] = NULL;
- }
- firstAvailable = 0;
+ for (i = 0; i < MAXSOCKETS; i++)
+ {
+ socketList[i] = NULL;
+ }
+ firstAvailable = 0;
- /* Load WSAAsyncSelect from wsock32.dll (we don't link against it
- statically to avoid dependency on wsock32.dll for apps that don't use
- sockets): */
+ /* Load WSAAsyncSelect from wsock32.dll (we don't link against it
+ statically to avoid dependency on wsock32.dll for apps that don't use
+ sockets): */
#ifndef __WXWINCE__
- gs_wsock32dll = LoadLibrary(wxT("wsock32.dll"));
- if (!gs_wsock32dll)
- return false;
- gs_WSAAsyncSelect =(WSAAsyncSelectFunc)GetProcAddress(gs_wsock32dll,
- "WSAAsyncSelect");
- if (!gs_WSAAsyncSelect)
- return false;
+ gs_wsock32dll = LoadLibrary(wxT("wsock32.dll"));
+ if (!gs_wsock32dll)
+ return false;
+ gs_WSAAsyncSelect =(WSAAsyncSelectFunc)GetProcAddress(gs_wsock32dll,
+ "WSAAsyncSelect");
+ if (!gs_WSAAsyncSelect)
+ return false;
#else
/* On WinCE we load ws2.dll which will provide the needed functions.
*/
- gs_wsock32dll = LoadLibrary(wxT("ws2.dll"));
- if (!gs_wsock32dll)
- return false;
- gs_WSAEventSelect =(WSAEventSelectFunc)GetProcAddress(gs_wsock32dll,
- wxT("WSAEventSelect"));
- if (!gs_WSAEventSelect)
- return false;
-
- gs_WSACreateEvent =(WSACreateEventFunc)GetProcAddress(gs_wsock32dll,
- wxT("WSACreateEvent"));
- if (!gs_WSACreateEvent)
- return false;
-
- gs_WSAWaitForMultipleEvents =(WSAWaitForMultipleEventsFunc)GetProcAddress(gs_wsock32dll,
- wxT("WSAWaitForMultipleEvents"));
- if (!gs_WSAWaitForMultipleEvents)
- return false;
-
- gs_WSAEnumNetworkEvents =(WSAEnumNetworkEventsFunc)GetProcAddress(gs_wsock32dll,
- wxT("WSAEnumNetworkEvents"));
- if (!gs_WSAEnumNetworkEvents)
- return false;
-
- currSocket = 0;
+ gs_wsock32dll = LoadLibrary(wxT("ws2.dll"));
+ if (!gs_wsock32dll)
+ return false;
+ gs_WSAEventSelect =(WSAEventSelectFunc)GetProcAddress(gs_wsock32dll,
+ wxT("WSAEventSelect"));
+ if (!gs_WSAEventSelect)
+ return false;
+
+ gs_WSACreateEvent =(WSACreateEventFunc)GetProcAddress(gs_wsock32dll,
+ wxT("WSACreateEvent"));
+ if (!gs_WSACreateEvent)
+ return false;
+
+ gs_WSAWaitForMultipleEvents =(WSAWaitForMultipleEventsFunc)GetProcAddress(gs_wsock32dll,
+ wxT("WSAWaitForMultipleEvents"));
+ if (!gs_WSAWaitForMultipleEvents)
+ return false;
+
+ gs_WSAEnumNetworkEvents =(WSAEnumNetworkEventsFunc)GetProcAddress(gs_wsock32dll,
+ wxT("WSAEnumNetworkEvents"));
+ if (!gs_WSAEnumNetworkEvents)
+ return false;
+
+ currSocket = 0;
#endif
- return true;
+ return true;
}
-void GSocketGUIFunctionsTableConcrete::OnExit()
+void GSocketMSWManager::OnExit()
{
#ifdef __WXWINCE__
/* Delete the threads here */
/* Per-socket GUI initialization / cleanup */
-bool GSocketGUIFunctionsTableConcrete::Init_Socket(GSocket *socket)
+bool GSocketMSWManager::Init_Socket(GSocket *socket)
{
int i;
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,
* 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)
{
* 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
* WinCE creates a thread for socket event handling.
* All needed parameters get passed through the thread_data structure.
*/
- socket_running = true;
+
thread_data* d = new thread_data;
d->lEvent = lEvent;
d->hEvtWin = hWin;
d->msgnumber = socket->m_msgnumber;
d->fd = socket->m_fd;
+ socketHash[socket->m_fd] = true;
hThread[currSocket++] = CreateThread(NULL, 0, &SocketThread,(LPVOID)d, 0, NULL);
#endif
}
/* _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__
gs_WSAAsyncSelect(socket->m_fd, hWin, socket->m_msgnumber, 0);
#else
//Destroy the thread
- //TODO: This needs to be changed, maybe using another global event that could be triggered.
- socket_running = false;
+ socketHash[socket->m_fd] = false;
#endif
}
}
-#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
projects / wxWidgets.git / blobdiff