X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/854bac91fd945211a383fa5a62f59705b4643245..ff55f8377ba8965bee36d1221501a3868da952e9:/src/msw/gsockmsw.cpp?ds=sidebyside diff --git a/src/msw/gsockmsw.cpp b/src/msw/gsockmsw.cpp index 6c8f3401a0..3ca8b48349 100644 --- a/src/msw/gsockmsw.cpp +++ b/src/msw/gsockmsw.cpp @@ -1,9 +1,11 @@ /* ------------------------------------------------------------------------- - * Project: GSocket (Generic Socket) - * Name: gsockmsw.cpp - * Author: Guillermo Rodriguez Garcia - * 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 + * Purpose: GSocket GUI-specific MSW code + * CVSID: $Id$ * ------------------------------------------------------------------------- */ @@ -14,6 +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) @@ -32,57 +36,20 @@ # 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() - -#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 -#else -#define assert(x) +#ifdef __WXWINCE__ #include #include "wx/msw/wince/net.h" +#include "wx/hashmap.h" +WX_DECLARE_HASH_MAP(int,bool,wxIntegerHash,wxIntegerEqual,SocketHash); #endif #include @@ -122,7 +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); @@ -140,9 +107,7 @@ static int firstAvailable; #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; @@ -175,7 +140,7 @@ DWORD WINAPI SocketThread(LPVOID data) 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) { @@ -209,77 +174,91 @@ 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; + 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 */ @@ -303,7 +282,7 @@ void GSocketGUIFunctionsTableConcrete::OnExit() /* Per-socket GUI initialization / cleanup */ -bool GSocketGUIFunctionsTableConcrete::Init_Socket(GSocket *socket) +bool GSocketMSWManager::Init_Socket(GSocket *socket) { int i; @@ -330,14 +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, @@ -362,7 +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) { @@ -414,10 +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 @@ -432,12 +435,13 @@ void GSocketGUIFunctionsTableConcrete::Enable_Events(GSocket *socket) * 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 } @@ -446,28 +450,30 @@ 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__ 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