X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7ec698211d5d82a009ac80fb354059e9af497508..ff55f8377ba8965bee36d1221501a3868da952e9:/src/msw/gsockmsw.cpp diff --git a/src/msw/gsockmsw.cpp b/src/msw/gsockmsw.cpp index a9fad98e50..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) @@ -34,55 +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 -# 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() +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 -#else -#define assert(x) +#ifdef __WXWINCE__ #include #include "wx/msw/wince/net.h" #include "wx/hashmap.h" @@ -126,7 +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); @@ -211,15 +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; @@ -281,7 +258,7 @@ bool GSocketGUIFunctionsTableConcrete::OnInit() return true; } -void GSocketGUIFunctionsTableConcrete::OnExit() +void GSocketMSWManager::OnExit() { #ifdef __WXWINCE__ /* Delete the threads here */ @@ -305,7 +282,7 @@ void GSocketGUIFunctionsTableConcrete::OnExit() /* Per-socket GUI initialization / cleanup */ -bool GSocketGUIFunctionsTableConcrete::Init_Socket(GSocket *socket) +bool GSocketMSWManager::Init_Socket(GSocket *socket) { int i; @@ -332,14 +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, @@ -364,7 +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) { @@ -416,10 +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 @@ -449,10 +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__ @@ -464,12 +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