X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0316942268a5004c3d639fa1cd7df4ea42257dbd..cb73e6001f891ae46b12a1e4ca39b93649cb6099:/src/msw/dialup.cpp diff --git a/src/msw/dialup.cpp b/src/msw/dialup.cpp index e6e83d87ad..3ccfba7a7f 100644 --- a/src/msw/dialup.cpp +++ b/src/msw/dialup.cpp @@ -42,19 +42,19 @@ #include "wx/app.h" #include "wx/generic/choicdgg.h" -#include "wx/msw/private.h" // must be before #include "dynlib.h" - #include "wx/dynlib.h" #include "wx/dialup.h" DEFINE_EVENT_TYPE(wxEVT_DIALUP_CONNECTED) DEFINE_EVENT_TYPE(wxEVT_DIALUP_DISCONNECTED) -// Doesn't yet compile under VC++ 4, BC++, Watcom C++: no wininet.h -#if !defined(__BORLANDC__) && \ +// Doesn't yet compile under VC++ 4, BC++, Watcom C++, +// Wine: no wininet.h +#if (!defined(__BORLANDC__) || (__BORLANDC__>=0x550)) && \ (!defined(__GNUWIN32__) || wxCHECK_W32API_VERSION(0, 5)) && \ !defined(__GNUWIN32_OLD__) && \ !defined(__WATCOMC__) && \ + !defined(__WINE__) && \ (!defined(__VISUALC__) || (__VISUALC__ >= 1020)) #include @@ -215,6 +215,8 @@ private: private: wxDialUpManagerMSW *m_dialUpManager; + + DECLARE_NO_COPY_CLASS(RasTimer) } m_timerStatusPolling; // thread handle for the thread sitting on connection change event @@ -224,18 +226,15 @@ private: // each other wxRasThreadData m_data; + // the handle of rasapi32.dll when it's loaded + wxDynamicLibrary m_dllRas; + // the hidden window we use for passing messages between threads static HWND ms_hwndRas; // the handle of the connection we initiated or 0 if none static HRASCONN ms_hRasConnection; - // the use count of rasapi32.dll - static int ms_nDllCount; - - // the handle of rasapi32.dll when it's loaded - static wxDllType ms_dllRas; - // the pointers to RAS functions static RASDIAL ms_pfnRasDial; static RASENUMCONNECTIONS ms_pfnRasEnumConnections; @@ -265,12 +264,10 @@ private: // this flag tells us if we're online static int ms_isConnected; - // this flag is the result of the call to IsAlwaysOnline() (-1 if not - // called yet) - static int ms_isAlwaysOnline; - // this flag tells us whether a call to RasDial() is in progress static wxDialUpManagerMSW *ms_dialer; + + DECLARE_NO_COPY_CLASS(wxDialUpManagerMSW) }; // ---------------------------------------------------------------------------- @@ -298,9 +295,6 @@ HRASCONN wxDialUpManagerMSW::ms_hRasConnection = 0; HWND wxDialUpManagerMSW::ms_hwndRas = 0; -int wxDialUpManagerMSW::ms_nDllCount = 0; -wxDllType wxDialUpManagerMSW::ms_dllRas = 0; - RASDIAL wxDialUpManagerMSW::ms_pfnRasDial = 0; RASENUMCONNECTIONS wxDialUpManagerMSW::ms_pfnRasEnumConnections = 0; RASENUMENTRIES wxDialUpManagerMSW::ms_pfnRasEnumEntries = 0; @@ -323,7 +317,6 @@ RASCONNECTIONNOTIFICATION wxDialUpManagerMSW::ms_pfnRasConnectionNotification = int wxDialUpManagerMSW::ms_userSpecifiedOnlineStatus = -1; int wxDialUpManagerMSW::ms_isConnected = -1; -int wxDialUpManagerMSW::ms_isAlwaysOnline = -1; wxDialUpManagerMSW *wxDialUpManagerMSW::ms_dialer = NULL; // ---------------------------------------------------------------------------- @@ -342,90 +335,81 @@ wxDialUpManager *wxDialUpManager::Create() #endif // VC++ wxDialUpManagerMSW::wxDialUpManagerMSW() - : m_timerStatusPolling(this) + : m_timerStatusPolling(this), + m_dllRas(_T("RASAPI32")) { // initialize our data m_hThread = 0; - if ( !ms_nDllCount++ ) + if ( !m_dllRas.IsLoaded() ) + { + wxLogError(_("Dial up functions are unavailable because the remote access service (RAS) is not installed on this machine. Please install it.")); + } + else if ( !ms_pfnRasDial ) { - // load the RAS library - ms_dllRas = wxDllLoader::LoadLibrary(_T("RASAPI32")); - if ( !ms_dllRas ) + // resolve the functions we need + + // this will contain the name of the function we failed to resolve + // if any at the end + const char *funcName = NULL; + + // get the function from rasapi32.dll and abort if it's not found + #define RESOLVE_RAS_FUNCTION(type, name) \ + ms_pfn##name = (type)m_dllRas.GetSymbol( wxString(_T(#name)) \ + + gs_funcSuffix); \ + if ( !ms_pfn##name ) \ + { \ + funcName = #name; \ + goto exit; \ + } + + // a variant of above macro which doesn't abort if the function is + // not found in the DLL + #define RESOLVE_OPTIONAL_RAS_FUNCTION(type, name) \ + ms_pfn##name = (type)m_dllRas.GetSymbol( wxString(_T(#name)) \ + + gs_funcSuffix); + + RESOLVE_RAS_FUNCTION(RASDIAL, RasDial); + RESOLVE_RAS_FUNCTION(RASENUMCONNECTIONS, RasEnumConnections); + RESOLVE_RAS_FUNCTION(RASENUMENTRIES, RasEnumEntries); + RESOLVE_RAS_FUNCTION(RASGETCONNECTSTATUS, RasGetConnectStatus); + RESOLVE_RAS_FUNCTION(RASGETERRORSTRING, RasGetErrorString); + RESOLVE_RAS_FUNCTION(RASHANGUP, RasHangUp); + RESOLVE_RAS_FUNCTION(RASGETENTRYDIALPARAMS, RasGetEntryDialParams); + + // suppress error messages about missing (non essential) functions { - wxLogError(_("Dial up functions are unavailable because the remote access service (RAS) is not installed on this machine. Please install it.")); + wxLogNull noLog; + + RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETPROJECTIONINFO, RasGetProjectionInfo); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASCREATEPHONEBOOKENTRY, RasCreatePhonebookEntry); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASEDITPHONEBOOKENTRY, RasEditPhonebookEntry); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYDIALPARAMS, RasSetEntryDialParams); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETENTRYPROPERTIES, RasGetEntryProperties); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYPROPERTIES, RasSetEntryProperties); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASRENAMEENTRY, RasRenameEntry); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASDELETEENTRY, RasDeleteEntry); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASVALIDATEENTRYNAME, RasValidateEntryName); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETCOUNTRYINFO, RasGetCountryInfo); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASENUMDEVICES, RasEnumDevices); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASCONNECTIONNOTIFICATION, RasConnectionNotification); } - else - { - // resolve the functions we need - - // this will contain the name of the function we failed to resolve - // if any at the end - const char *funcName = NULL; - - // get the function from rasapi32.dll and abort if it's not found - #define RESOLVE_RAS_FUNCTION(type, name) \ - ms_pfn##name = (type)wxDllLoader::GetSymbol(ms_dllRas, \ - wxString(_T(#name)) + gs_funcSuffix); \ - if ( !ms_pfn##name ) \ - { \ - funcName = #name; \ - goto exit; \ - } - // a variant of above macro which doesn't abort if the function is - // not found in the DLL - #define RESOLVE_OPTIONAL_RAS_FUNCTION(type, name) \ - ms_pfn##name = (type)wxDllLoader::GetSymbol(ms_dllRas, \ - wxString(_T(#name)) + gs_funcSuffix); - - RESOLVE_RAS_FUNCTION(RASDIAL, RasDial); - RESOLVE_RAS_FUNCTION(RASENUMCONNECTIONS, RasEnumConnections); - RESOLVE_RAS_FUNCTION(RASENUMENTRIES, RasEnumEntries); - RESOLVE_RAS_FUNCTION(RASGETCONNECTSTATUS, RasGetConnectStatus); - RESOLVE_RAS_FUNCTION(RASGETERRORSTRING, RasGetErrorString); - RESOLVE_RAS_FUNCTION(RASHANGUP, RasHangUp); - RESOLVE_RAS_FUNCTION(RASGETENTRYDIALPARAMS, RasGetEntryDialParams); - - // suppress wxDllLoader messages about missing (non essential) - // functions - { - wxLogNull noLog; - - RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETPROJECTIONINFO, RasGetProjectionInfo); - RESOLVE_OPTIONAL_RAS_FUNCTION(RASCREATEPHONEBOOKENTRY, RasCreatePhonebookEntry); - RESOLVE_OPTIONAL_RAS_FUNCTION(RASEDITPHONEBOOKENTRY, RasEditPhonebookEntry); - RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYDIALPARAMS, RasSetEntryDialParams); - RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETENTRYPROPERTIES, RasGetEntryProperties); - RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYPROPERTIES, RasSetEntryProperties); - RESOLVE_OPTIONAL_RAS_FUNCTION(RASRENAMEENTRY, RasRenameEntry); - RESOLVE_OPTIONAL_RAS_FUNCTION(RASDELETEENTRY, RasDeleteEntry); - RESOLVE_OPTIONAL_RAS_FUNCTION(RASVALIDATEENTRYNAME, RasValidateEntryName); - RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETCOUNTRYINFO, RasGetCountryInfo); - RESOLVE_OPTIONAL_RAS_FUNCTION(RASENUMDEVICES, RasEnumDevices); - RESOLVE_OPTIONAL_RAS_FUNCTION(RASCONNECTIONNOTIFICATION, RasConnectionNotification); - } - - // keep your preprocessor name space clean - #undef RESOLVE_RAS_FUNCTION - #undef RESOLVE_OPTIONAL_RAS_FUNCTION + // keep your preprocessor name space clean + #undef RESOLVE_RAS_FUNCTION + #undef RESOLVE_OPTIONAL_RAS_FUNCTION exit: - if ( funcName ) - { - static const wxChar *msg = wxTRANSLATE( + if ( funcName ) + { + static const wxChar *msg = wxTRANSLATE( "The version of remote access service (RAS) installed on this machine is too\ old, please upgrade (the following required function is missing: %s)." - ); + ); - wxLogError(wxGetTranslation(msg), funcName); - - wxDllLoader::UnloadLibrary(ms_dllRas); - ms_dllRas = 0; - ms_nDllCount = 0; - - return; - } + wxLogError(wxGetTranslation(msg), funcName); + m_dllRas.Unload(); + return; } } @@ -436,13 +420,6 @@ old, please upgrade (the following required function is missing: %s)." wxDialUpManagerMSW::~wxDialUpManagerMSW() { CleanUpThreadData(); - - if ( !--ms_nDllCount ) - { - // unload the RAS library - wxDllLoader::UnloadLibrary(ms_dllRas); - ms_dllRas = 0; - } } // ---------------------------------------------------------------------------- @@ -667,7 +644,7 @@ void wxDialUpManagerMSW::OnDialProgress(RASCONNSTATE rasconnstate, bool wxDialUpManagerMSW::IsOk() const { - return ms_dllRas != 0; + return m_dllRas.IsLoaded(); } size_t wxDialUpManagerMSW::GetISPNames(wxArrayString& names) const @@ -805,13 +782,13 @@ bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP, return FALSE; } } - else - { - wxStrncpy(rasDialParams.szUserName, username, UNLEN); - wxStrncpy(rasDialParams.szPassword, password, PWLEN); - } + else + { + wxStrncpy(rasDialParams.szUserName, username, UNLEN); + wxStrncpy(rasDialParams.szPassword, password, PWLEN); + } - // default values for other fields + // default values for other fields rasDialParams.szPhoneNumber[0] = '\0'; rasDialParams.szCallbackNumber[0] = '\0'; rasDialParams.szCallbackNumber[0] = '\0'; @@ -848,28 +825,21 @@ bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP, DWORD dwRet = ms_pfnRasDial ( - (LPRASDIALEXTENSIONS)NULL, // no extended features - NULL, // default phone book file (NT only) + NULL, // no extended features + NULL, // default phone book file (NT only) &rasDialParams, - 0, // use callback for notifications - async ? wxRasDialFunc // the callback - : 0, // no notifications - sync operation + 0, // use callback for notifications + async ? (void *)wxRasDialFunc // cast needed for gcc 3.1 + : 0, // no notifications, sync operation &ms_hRasConnection ); if ( dwRet != 0 ) { -#if wxUSE_UNICODE - // can't pass a wxWCharBuffer through ( ... ) - wxLogError(_("Failed to %s dialup connection: %s").data(), - async ? _("initiate").data() : _("establish").data(), - GetErrorString(dwRet).c_str()); -#else // can't pass a wxWCharBuffer through ( ... ) wxLogError(_("Failed to %s dialup connection: %s"), wxString(async ? _("initiate") : _("establish")).c_str(), GetErrorString(dwRet).c_str()); -#endif // we should still call RasHangUp() if we got a non 0 connection if ( ms_hRasConnection ) @@ -951,22 +921,23 @@ bool wxDialUpManagerMSW::HangUp() bool wxDialUpManagerMSW::IsAlwaysOnline() const { - // we cache the result (presumably this won't change while the program is - // running!) - if ( ms_isAlwaysOnline != -1 ) - { - return ms_isAlwaysOnline != 0; - } + // assume no permanent connection by default + bool isAlwaysOnline = FALSE; + + // try to use WinInet functions - // try to use WinInet function first - wxDllType hDll = wxDllLoader::LoadLibrary(_T("WININET")); - if ( hDll ) + // NB: we could probably use wxDynamicLibrary here just as well, + // but we allow multiple instances of wxDialUpManagerMSW so + // we might as well use the ref counted version here too. + + wxDynamicLibrary hDll(_T("WININET")); + if ( hDll.IsLoaded() ) { typedef BOOL (WINAPI *INTERNETGETCONNECTEDSTATE)(LPDWORD, DWORD); INTERNETGETCONNECTEDSTATE pfnInternetGetConnectedState; #define RESOLVE_FUNCTION(type, name) \ - pfn##name = (type)wxDllLoader::GetSymbol(hDll, _T(#name)) + pfn##name = (type)hDll.GetSymbol(_T(#name)) RESOLVE_FUNCTION(INTERNETGETCONNECTEDSTATE, InternetGetConnectedState); @@ -976,47 +947,26 @@ bool wxDialUpManagerMSW::IsAlwaysOnline() const if ( pfnInternetGetConnectedState(&flags, 0 /* reserved */) ) { // there is some connection to the net, see of which type - ms_isAlwaysOnline = (flags & INTERNET_CONNECTION_LAN != 0) || - (flags & INTERNET_CONNECTION_PROXY != 0); - } - else - { - // no Internet connection at all - ms_isAlwaysOnline = FALSE; + isAlwaysOnline = (flags & (INTERNET_CONNECTION_LAN | + INTERNET_CONNECTION_PROXY)) != 0; } + //else: no Internet connection at all } - - wxDllLoader::UnloadLibrary(hDll); } - // did we succeed with WinInet? if not, try something else - if ( ms_isAlwaysOnline == -1 ) - { - if ( !IsOnline() ) - { - // definitely no permanent connection because we are not connected - // now - ms_isAlwaysOnline = FALSE; - } - else - { - // of course, having a modem doesn't prevent us from having a - // permanent connection as well, but we have to guess somehow and - // it's probably more common that a system connected via a modem - // doesn't have any other net access, so: - ms_isAlwaysOnline = FALSE; - } - } - - wxASSERT_MSG( ms_isAlwaysOnline != -1, wxT("logic error") ); - - return ms_isAlwaysOnline != 0; + return isAlwaysOnline; } bool wxDialUpManagerMSW::IsOnline() const { wxCHECK_MSG( IsOk(), FALSE, wxT("using uninitialized wxDialUpManager") ); + if ( IsAlwaysOnline() ) + { + // always => now + return true; + } + if ( ms_userSpecifiedOnlineStatus != -1 ) { // user specified flag overrides our logic @@ -1108,8 +1058,8 @@ bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds) { // create a hidden window to receive notification about connections // status change - extern const wxChar *wxPanelClassName; - ms_hwndRas = ::CreateWindow(wxPanelClassName, NULL, + extern const wxChar *wxCanvasClassName; + ms_hwndRas = ::CreateWindow(wxCanvasClassName, NULL, 0, 0, 0, 0, 0, NULL, (HMENU)NULL, wxGetInstance(), 0); @@ -1272,22 +1222,31 @@ static DWORD wxRasMonitorThread(wxRasThreadData *data) static LRESULT APIENTRY wxRasStatusWindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { - if ( message == wxWM_RAS_STATUS_CHANGED ) + switch ( message ) { - wxRasThreadData *data = (wxRasThreadData *)lParam; - data->dialUpManager->OnConnectStatusChange(); - } - else if ( message == wxWM_RAS_DIALING_PROGRESS ) - { - wxDialUpManagerMSW *dialUpManager = wxDialUpManagerMSW::GetDialer(); + case wxWM_RAS_STATUS_CHANGED: + { + wxRasThreadData *data = (wxRasThreadData *)lParam; + data->dialUpManager->OnConnectStatusChange(); + } + break; + + case wxWM_RAS_DIALING_PROGRESS: + { + wxDialUpManagerMSW *dialMan = wxDialUpManagerMSW::GetDialer(); - dialUpManager->OnDialProgress((RASCONNSTATE)wParam, lParam); + dialMan->OnDialProgress((RASCONNSTATE)wParam, lParam); + } + break; + + default: + return ::DefWindowProc(hWnd, message, wParam, lParam); } return 0; } -static void WINAPI wxRasDialFunc(UINT unMsg, +static void WINAPI wxRasDialFunc(UINT WXUNUSED(unMsg), RASCONNSTATE rasconnstate, DWORD dwError) { @@ -1299,6 +1258,7 @@ static void WINAPI wxRasDialFunc(UINT unMsg, rasconnstate, dwError); } -#endif - // __BORLANDC__ +#endif // __BORLANDC__ + #endif // wxUSE_DIALUP_MANAGER +