| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/msw/dialup.cpp |
| 3 | // Purpose: MSW implementation of network/dialup classes and functions |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 07.07.99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Vadim Zeitlin |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // for compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #if wxUSE_DIALUP_MANAGER |
| 28 | |
| 29 | #include "wx/dialup.h" |
| 30 | |
| 31 | #ifndef WX_PRECOMP |
| 32 | #include "wx/log.h" |
| 33 | #include "wx/intl.h" |
| 34 | #include "wx/event.h" |
| 35 | #include "wx/app.h" |
| 36 | #include "wx/timer.h" |
| 37 | #include "wx/module.h" |
| 38 | #endif |
| 39 | |
| 40 | #include "wx/generic/choicdgg.h" |
| 41 | |
| 42 | #include "wx/dynlib.h" |
| 43 | |
| 44 | wxDEFINE_EVENT( wxEVT_DIALUP_CONNECTED, wxDialUpEvent ) |
| 45 | wxDEFINE_EVENT( wxEVT_DIALUP_DISCONNECTED, wxDialUpEvent ) |
| 46 | |
| 47 | // Doesn't yet compile under VC++ 4, BC++, Watcom C++, |
| 48 | // Wine: no wininet.h |
| 49 | #if (!defined(__BORLANDC__) || (__BORLANDC__>=0x550)) && \ |
| 50 | (!defined(__GNUWIN32__) || wxCHECK_W32API_VERSION(0, 5)) && \ |
| 51 | !defined(__GNUWIN32_OLD__) && \ |
| 52 | !defined(__WINE__) && \ |
| 53 | (!defined(__VISUALC__) || (__VISUALC__ >= 1020)) |
| 54 | |
| 55 | #include <ras.h> |
| 56 | #include <raserror.h> |
| 57 | |
| 58 | #include <wininet.h> |
| 59 | |
| 60 | // Not in VC++ 5 |
| 61 | #ifndef INTERNET_CONNECTION_LAN |
| 62 | #define INTERNET_CONNECTION_LAN 2 |
| 63 | #endif |
| 64 | #ifndef INTERNET_CONNECTION_PROXY |
| 65 | #define INTERNET_CONNECTION_PROXY 4 |
| 66 | #endif |
| 67 | |
| 68 | // implemented in utils.cpp |
| 69 | extern "C" WXDLLIMPEXP_BASE HWND |
| 70 | wxCreateHiddenWindow(LPCTSTR *pclassname, LPCTSTR classname, WNDPROC wndproc); |
| 71 | |
| 72 | static const wxChar * |
| 73 | wxMSWDIALUP_WNDCLASSNAME = wxT("_wxDialUpManager_Internal_Class"); |
| 74 | static const wxChar *gs_classForDialUpWindow = NULL; |
| 75 | |
| 76 | // ---------------------------------------------------------------------------- |
| 77 | // constants |
| 78 | // ---------------------------------------------------------------------------- |
| 79 | |
| 80 | // this message is sent by the secondary thread when RAS status changes |
| 81 | #define wxWM_RAS_STATUS_CHANGED (WM_USER + 10010) |
| 82 | #define wxWM_RAS_DIALING_PROGRESS (WM_USER + 10011) |
| 83 | |
| 84 | // ---------------------------------------------------------------------------- |
| 85 | // types |
| 86 | // ---------------------------------------------------------------------------- |
| 87 | |
| 88 | // the signatures of RAS functions: all this is quite heavy, but we must do it |
| 89 | // to allow running wxWin programs on machine which don't have RAS installed |
| 90 | // (this does exist) - if we link with rasapi32.lib, the program will fail on |
| 91 | // startup because of the missing DLL... |
| 92 | |
| 93 | #ifndef UNICODE |
| 94 | typedef DWORD (APIENTRY * RASDIAL)( LPRASDIALEXTENSIONS, LPCSTR, LPRASDIALPARAMSA, DWORD, LPVOID, LPHRASCONN ); |
| 95 | typedef DWORD (APIENTRY * RASENUMCONNECTIONS)( LPRASCONNA, LPDWORD, LPDWORD ); |
| 96 | typedef DWORD (APIENTRY * RASENUMENTRIES)( LPCSTR, LPCSTR, LPRASENTRYNAMEA, LPDWORD, LPDWORD ); |
| 97 | typedef DWORD (APIENTRY * RASGETCONNECTSTATUS)( HRASCONN, LPRASCONNSTATUSA ); |
| 98 | typedef DWORD (APIENTRY * RASGETERRORSTRING)( UINT, LPSTR, DWORD ); |
| 99 | typedef DWORD (APIENTRY * RASHANGUP)( HRASCONN ); |
| 100 | typedef DWORD (APIENTRY * RASGETPROJECTIONINFO)( HRASCONN, RASPROJECTION, LPVOID, LPDWORD ); |
| 101 | typedef DWORD (APIENTRY * RASCREATEPHONEBOOKENTRY)( HWND, LPCSTR ); |
| 102 | typedef DWORD (APIENTRY * RASEDITPHONEBOOKENTRY)( HWND, LPCSTR, LPCSTR ); |
| 103 | typedef DWORD (APIENTRY * RASSETENTRYDIALPARAMS)( LPCSTR, LPRASDIALPARAMSA, BOOL ); |
| 104 | typedef DWORD (APIENTRY * RASGETENTRYDIALPARAMS)( LPCSTR, LPRASDIALPARAMSA, LPBOOL ); |
| 105 | typedef DWORD (APIENTRY * RASENUMDEVICES)( LPRASDEVINFOA, LPDWORD, LPDWORD ); |
| 106 | typedef DWORD (APIENTRY * RASGETCOUNTRYINFO)( LPRASCTRYINFOA, LPDWORD ); |
| 107 | typedef DWORD (APIENTRY * RASGETENTRYPROPERTIES)( LPCSTR, LPCSTR, LPRASENTRYA, LPDWORD, LPBYTE, LPDWORD ); |
| 108 | typedef DWORD (APIENTRY * RASSETENTRYPROPERTIES)( LPCSTR, LPCSTR, LPRASENTRYA, DWORD, LPBYTE, DWORD ); |
| 109 | typedef DWORD (APIENTRY * RASRENAMEENTRY)( LPCSTR, LPCSTR, LPCSTR ); |
| 110 | typedef DWORD (APIENTRY * RASDELETEENTRY)( LPCSTR, LPCSTR ); |
| 111 | typedef DWORD (APIENTRY * RASVALIDATEENTRYNAME)( LPCSTR, LPCSTR ); |
| 112 | typedef DWORD (APIENTRY * RASCONNECTIONNOTIFICATION)( HRASCONN, HANDLE, DWORD ); |
| 113 | |
| 114 | static const wxChar gs_funcSuffix = _T('A'); |
| 115 | #else // Unicode |
| 116 | typedef DWORD (APIENTRY * RASDIAL)( LPRASDIALEXTENSIONS, LPCWSTR, LPRASDIALPARAMSW, DWORD, LPVOID, LPHRASCONN ); |
| 117 | typedef DWORD (APIENTRY * RASENUMCONNECTIONS)( LPRASCONNW, LPDWORD, LPDWORD ); |
| 118 | typedef DWORD (APIENTRY * RASENUMENTRIES)( LPCWSTR, LPCWSTR, LPRASENTRYNAMEW, LPDWORD, LPDWORD ); |
| 119 | typedef DWORD (APIENTRY * RASGETCONNECTSTATUS)( HRASCONN, LPRASCONNSTATUSW ); |
| 120 | typedef DWORD (APIENTRY * RASGETERRORSTRING)( UINT, LPWSTR, DWORD ); |
| 121 | typedef DWORD (APIENTRY * RASHANGUP)( HRASCONN ); |
| 122 | typedef DWORD (APIENTRY * RASGETPROJECTIONINFO)( HRASCONN, RASPROJECTION, LPVOID, LPDWORD ); |
| 123 | typedef DWORD (APIENTRY * RASCREATEPHONEBOOKENTRY)( HWND, LPCWSTR ); |
| 124 | typedef DWORD (APIENTRY * RASEDITPHONEBOOKENTRY)( HWND, LPCWSTR, LPCWSTR ); |
| 125 | typedef DWORD (APIENTRY * RASSETENTRYDIALPARAMS)( LPCWSTR, LPRASDIALPARAMSW, BOOL ); |
| 126 | typedef DWORD (APIENTRY * RASGETENTRYDIALPARAMS)( LPCWSTR, LPRASDIALPARAMSW, LPBOOL ); |
| 127 | typedef DWORD (APIENTRY * RASENUMDEVICES)( LPRASDEVINFOW, LPDWORD, LPDWORD ); |
| 128 | typedef DWORD (APIENTRY * RASGETCOUNTRYINFO)( LPRASCTRYINFOW, LPDWORD ); |
| 129 | typedef DWORD (APIENTRY * RASGETENTRYPROPERTIES)( LPCWSTR, LPCWSTR, LPRASENTRYW, LPDWORD, LPBYTE, LPDWORD ); |
| 130 | typedef DWORD (APIENTRY * RASSETENTRYPROPERTIES)( LPCWSTR, LPCWSTR, LPRASENTRYW, DWORD, LPBYTE, DWORD ); |
| 131 | typedef DWORD (APIENTRY * RASRENAMEENTRY)( LPCWSTR, LPCWSTR, LPCWSTR ); |
| 132 | typedef DWORD (APIENTRY * RASDELETEENTRY)( LPCWSTR, LPCWSTR ); |
| 133 | typedef DWORD (APIENTRY * RASVALIDATEENTRYNAME)( LPCWSTR, LPCWSTR ); |
| 134 | typedef DWORD (APIENTRY * RASCONNECTIONNOTIFICATION)( HRASCONN, HANDLE, DWORD ); |
| 135 | |
| 136 | static const wxChar gs_funcSuffix = _T('W'); |
| 137 | #endif // ASCII/Unicode |
| 138 | |
| 139 | // structure passed to the secondary thread |
| 140 | struct WXDLLEXPORT wxRasThreadData |
| 141 | { |
| 142 | wxRasThreadData() |
| 143 | { |
| 144 | hWnd = 0; |
| 145 | hEventRas = |
| 146 | hEventQuit = 0; |
| 147 | dialUpManager = NULL; |
| 148 | } |
| 149 | |
| 150 | ~wxRasThreadData() |
| 151 | { |
| 152 | if ( hWnd ) |
| 153 | DestroyWindow(hWnd); |
| 154 | |
| 155 | if ( hEventQuit ) |
| 156 | CloseHandle(hEventQuit); |
| 157 | |
| 158 | if ( hEventRas ) |
| 159 | CloseHandle(hEventRas); |
| 160 | } |
| 161 | |
| 162 | HWND hWnd; // window to send notifications to |
| 163 | HANDLE hEventRas, // automatic event which RAS signals when status changes |
| 164 | hEventQuit; // manual event which we signal when we terminate |
| 165 | |
| 166 | class WXDLLIMPEXP_FWD_CORE wxDialUpManagerMSW *dialUpManager; // the owner |
| 167 | }; |
| 168 | |
| 169 | // ---------------------------------------------------------------------------- |
| 170 | // wxDialUpManager class for MSW |
| 171 | // ---------------------------------------------------------------------------- |
| 172 | |
| 173 | class WXDLLEXPORT wxDialUpManagerMSW : public wxDialUpManager |
| 174 | { |
| 175 | public: |
| 176 | // ctor & dtor |
| 177 | wxDialUpManagerMSW(); |
| 178 | virtual ~wxDialUpManagerMSW(); |
| 179 | |
| 180 | // implement base class pure virtuals |
| 181 | virtual bool IsOk() const; |
| 182 | virtual size_t GetISPNames(wxArrayString& names) const; |
| 183 | virtual bool Dial(const wxString& nameOfISP, |
| 184 | const wxString& username, |
| 185 | const wxString& password, |
| 186 | bool async); |
| 187 | virtual bool IsDialing() const; |
| 188 | virtual bool CancelDialing(); |
| 189 | virtual bool HangUp(); |
| 190 | virtual bool IsAlwaysOnline() const; |
| 191 | virtual bool IsOnline() const; |
| 192 | virtual void SetOnlineStatus(bool isOnline = true); |
| 193 | virtual bool EnableAutoCheckOnlineStatus(size_t nSeconds); |
| 194 | virtual void DisableAutoCheckOnlineStatus(); |
| 195 | virtual void SetWellKnownHost(const wxString& hostname, int port); |
| 196 | virtual void SetConnectCommand(const wxString& commandDial, |
| 197 | const wxString& commandHangup); |
| 198 | |
| 199 | // for RasTimer |
| 200 | void CheckRasStatus(); |
| 201 | |
| 202 | // for wxRasStatusWindowProc |
| 203 | void OnConnectStatusChange(); |
| 204 | void OnDialProgress(RASCONNSTATE rasconnstate, DWORD dwError); |
| 205 | |
| 206 | // for wxRasDialFunc |
| 207 | static HWND GetRasWindow() { return ms_hwndRas; } |
| 208 | static void ResetRasWindow() { ms_hwndRas = NULL; } |
| 209 | static wxDialUpManagerMSW *GetDialer() { return ms_dialer; } |
| 210 | |
| 211 | private: |
| 212 | // return the error string for the given RAS error code |
| 213 | static wxString GetErrorString(DWORD error); |
| 214 | |
| 215 | // find the (first) handle of the active connection |
| 216 | static HRASCONN FindActiveConnection(); |
| 217 | |
| 218 | // notify the application about status change |
| 219 | void NotifyApp(bool connected, bool fromOurselves = false) const; |
| 220 | |
| 221 | // destroy the thread data and the thread itself |
| 222 | void CleanUpThreadData(); |
| 223 | |
| 224 | // number of times EnableAutoCheckOnlineStatus() had been called minus the |
| 225 | // number of times DisableAutoCheckOnlineStatus() had been called |
| 226 | int m_autoCheckLevel; |
| 227 | |
| 228 | // timer used for polling RAS status |
| 229 | class WXDLLEXPORT RasTimer : public wxTimer |
| 230 | { |
| 231 | public: |
| 232 | RasTimer(wxDialUpManagerMSW *dialUpManager) |
| 233 | { m_dialUpManager = dialUpManager; } |
| 234 | |
| 235 | virtual void Notify() { m_dialUpManager->CheckRasStatus(); } |
| 236 | |
| 237 | private: |
| 238 | wxDialUpManagerMSW *m_dialUpManager; |
| 239 | |
| 240 | DECLARE_NO_COPY_CLASS(RasTimer) |
| 241 | } m_timerStatusPolling; |
| 242 | |
| 243 | // thread handle for the thread sitting on connection change event |
| 244 | HANDLE m_hThread; |
| 245 | |
| 246 | // data used by this thread and our hidden window to send messages between |
| 247 | // each other |
| 248 | wxRasThreadData *m_data; |
| 249 | |
| 250 | // the handle of rasapi32.dll when it's loaded |
| 251 | wxDynamicLibrary m_dllRas; |
| 252 | |
| 253 | // the hidden window we use for passing messages between threads |
| 254 | static HWND ms_hwndRas; |
| 255 | |
| 256 | // the handle of the connection we initiated or 0 if none |
| 257 | static HRASCONN ms_hRasConnection; |
| 258 | |
| 259 | // the pointers to RAS functions |
| 260 | static RASDIAL ms_pfnRasDial; |
| 261 | static RASENUMCONNECTIONS ms_pfnRasEnumConnections; |
| 262 | static RASENUMENTRIES ms_pfnRasEnumEntries; |
| 263 | static RASGETCONNECTSTATUS ms_pfnRasGetConnectStatus; |
| 264 | static RASGETERRORSTRING ms_pfnRasGetErrorString; |
| 265 | static RASHANGUP ms_pfnRasHangUp; |
| 266 | static RASGETPROJECTIONINFO ms_pfnRasGetProjectionInfo; |
| 267 | static RASCREATEPHONEBOOKENTRY ms_pfnRasCreatePhonebookEntry; |
| 268 | static RASEDITPHONEBOOKENTRY ms_pfnRasEditPhonebookEntry; |
| 269 | static RASSETENTRYDIALPARAMS ms_pfnRasSetEntryDialParams; |
| 270 | static RASGETENTRYDIALPARAMS ms_pfnRasGetEntryDialParams; |
| 271 | static RASENUMDEVICES ms_pfnRasEnumDevices; |
| 272 | static RASGETCOUNTRYINFO ms_pfnRasGetCountryInfo; |
| 273 | static RASGETENTRYPROPERTIES ms_pfnRasGetEntryProperties; |
| 274 | static RASSETENTRYPROPERTIES ms_pfnRasSetEntryProperties; |
| 275 | static RASRENAMEENTRY ms_pfnRasRenameEntry; |
| 276 | static RASDELETEENTRY ms_pfnRasDeleteEntry; |
| 277 | static RASVALIDATEENTRYNAME ms_pfnRasValidateEntryName; |
| 278 | |
| 279 | // this function is not supported by Win95 |
| 280 | static RASCONNECTIONNOTIFICATION ms_pfnRasConnectionNotification; |
| 281 | |
| 282 | // if this flag is different from -1, it overrides IsOnline() |
| 283 | static int ms_userSpecifiedOnlineStatus; |
| 284 | |
| 285 | // this flag tells us if we're online |
| 286 | static int ms_isConnected; |
| 287 | |
| 288 | // this flag tells us whether a call to RasDial() is in progress |
| 289 | static wxDialUpManagerMSW *ms_dialer; |
| 290 | |
| 291 | DECLARE_NO_COPY_CLASS(wxDialUpManagerMSW) |
| 292 | }; |
| 293 | |
| 294 | // module to destroy helper window created by wxDialUpManagerMSW |
| 295 | class wxDialUpManagerModule : public wxModule |
| 296 | { |
| 297 | public: |
| 298 | bool OnInit() { return true; } |
| 299 | void OnExit() |
| 300 | { |
| 301 | HWND hwnd = wxDialUpManagerMSW::GetRasWindow(); |
| 302 | if ( hwnd ) |
| 303 | { |
| 304 | ::DestroyWindow(hwnd); |
| 305 | wxDialUpManagerMSW::ResetRasWindow(); |
| 306 | } |
| 307 | |
| 308 | if ( gs_classForDialUpWindow ) |
| 309 | { |
| 310 | ::UnregisterClass(wxMSWDIALUP_WNDCLASSNAME, wxGetInstance()); |
| 311 | gs_classForDialUpWindow = NULL; |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | private: |
| 316 | DECLARE_DYNAMIC_CLASS(wxDialUpManagerModule) |
| 317 | }; |
| 318 | |
| 319 | IMPLEMENT_DYNAMIC_CLASS(wxDialUpManagerModule, wxModule) |
| 320 | |
| 321 | // ---------------------------------------------------------------------------- |
| 322 | // private functions |
| 323 | // ---------------------------------------------------------------------------- |
| 324 | |
| 325 | static LRESULT WINAPI wxRasStatusWindowProc(HWND hWnd, UINT message, |
| 326 | WPARAM wParam, LPARAM lParam); |
| 327 | |
| 328 | static DWORD wxRasMonitorThread(wxRasThreadData *data); |
| 329 | |
| 330 | static void WINAPI wxRasDialFunc(UINT unMsg, |
| 331 | RASCONNSTATE rasconnstate, |
| 332 | DWORD dwError); |
| 333 | |
| 334 | // ============================================================================ |
| 335 | // implementation |
| 336 | // ============================================================================ |
| 337 | |
| 338 | // ---------------------------------------------------------------------------- |
| 339 | // init the static variables |
| 340 | // ---------------------------------------------------------------------------- |
| 341 | |
| 342 | HRASCONN wxDialUpManagerMSW::ms_hRasConnection = 0; |
| 343 | |
| 344 | HWND wxDialUpManagerMSW::ms_hwndRas = 0; |
| 345 | |
| 346 | RASDIAL wxDialUpManagerMSW::ms_pfnRasDial = 0; |
| 347 | RASENUMCONNECTIONS wxDialUpManagerMSW::ms_pfnRasEnumConnections = 0; |
| 348 | RASENUMENTRIES wxDialUpManagerMSW::ms_pfnRasEnumEntries = 0; |
| 349 | RASGETCONNECTSTATUS wxDialUpManagerMSW::ms_pfnRasGetConnectStatus = 0; |
| 350 | RASGETERRORSTRING wxDialUpManagerMSW::ms_pfnRasGetErrorString = 0; |
| 351 | RASHANGUP wxDialUpManagerMSW::ms_pfnRasHangUp = 0; |
| 352 | RASGETPROJECTIONINFO wxDialUpManagerMSW::ms_pfnRasGetProjectionInfo = 0; |
| 353 | RASCREATEPHONEBOOKENTRY wxDialUpManagerMSW::ms_pfnRasCreatePhonebookEntry = 0; |
| 354 | RASEDITPHONEBOOKENTRY wxDialUpManagerMSW::ms_pfnRasEditPhonebookEntry = 0; |
| 355 | RASSETENTRYDIALPARAMS wxDialUpManagerMSW::ms_pfnRasSetEntryDialParams = 0; |
| 356 | RASGETENTRYDIALPARAMS wxDialUpManagerMSW::ms_pfnRasGetEntryDialParams = 0; |
| 357 | RASENUMDEVICES wxDialUpManagerMSW::ms_pfnRasEnumDevices = 0; |
| 358 | RASGETCOUNTRYINFO wxDialUpManagerMSW::ms_pfnRasGetCountryInfo = 0; |
| 359 | RASGETENTRYPROPERTIES wxDialUpManagerMSW::ms_pfnRasGetEntryProperties = 0; |
| 360 | RASSETENTRYPROPERTIES wxDialUpManagerMSW::ms_pfnRasSetEntryProperties = 0; |
| 361 | RASRENAMEENTRY wxDialUpManagerMSW::ms_pfnRasRenameEntry = 0; |
| 362 | RASDELETEENTRY wxDialUpManagerMSW::ms_pfnRasDeleteEntry = 0; |
| 363 | RASVALIDATEENTRYNAME wxDialUpManagerMSW::ms_pfnRasValidateEntryName = 0; |
| 364 | RASCONNECTIONNOTIFICATION wxDialUpManagerMSW::ms_pfnRasConnectionNotification = 0; |
| 365 | |
| 366 | int wxDialUpManagerMSW::ms_userSpecifiedOnlineStatus = -1; |
| 367 | int wxDialUpManagerMSW::ms_isConnected = -1; |
| 368 | wxDialUpManagerMSW *wxDialUpManagerMSW::ms_dialer = NULL; |
| 369 | |
| 370 | // ---------------------------------------------------------------------------- |
| 371 | // ctor and dtor: the dynamic linking happens here |
| 372 | // ---------------------------------------------------------------------------- |
| 373 | |
| 374 | // the static creator function is implemented here |
| 375 | wxDialUpManager *wxDialUpManager::Create() |
| 376 | { |
| 377 | return new wxDialUpManagerMSW; |
| 378 | } |
| 379 | |
| 380 | #ifdef __VISUALC__ |
| 381 | // warning about "'this' : used in base member initializer list" - so what? |
| 382 | #pragma warning(disable:4355) |
| 383 | #endif // VC++ |
| 384 | |
| 385 | wxDialUpManagerMSW::wxDialUpManagerMSW() |
| 386 | : m_timerStatusPolling(this), |
| 387 | m_dllRas(_T("RASAPI32")) |
| 388 | { |
| 389 | // initialize our data |
| 390 | m_autoCheckLevel = 0; |
| 391 | m_hThread = 0; |
| 392 | m_data = new wxRasThreadData; |
| 393 | |
| 394 | if ( !m_dllRas.IsLoaded() ) |
| 395 | { |
| 396 | wxLogError(_("Dial up functions are unavailable because the remote access service (RAS) is not installed on this machine. Please install it.")); |
| 397 | } |
| 398 | else if ( !ms_pfnRasDial ) |
| 399 | { |
| 400 | // resolve the functions we need |
| 401 | |
| 402 | // this will contain the name of the function we failed to resolve |
| 403 | // if any at the end |
| 404 | const char *funcName = NULL; |
| 405 | |
| 406 | // get the function from rasapi32.dll and abort if it's not found |
| 407 | #define RESOLVE_RAS_FUNCTION(type, name) \ |
| 408 | ms_pfn##name = (type)m_dllRas.GetSymbol( wxString(_T(#name)) \ |
| 409 | + gs_funcSuffix); \ |
| 410 | if ( !ms_pfn##name ) \ |
| 411 | { \ |
| 412 | funcName = #name; \ |
| 413 | goto exit; \ |
| 414 | } |
| 415 | |
| 416 | // a variant of above macro which doesn't abort if the function is |
| 417 | // not found in the DLL |
| 418 | #define RESOLVE_OPTIONAL_RAS_FUNCTION(type, name) \ |
| 419 | ms_pfn##name = (type)m_dllRas.GetSymbol( wxString(_T(#name)) \ |
| 420 | + gs_funcSuffix); |
| 421 | |
| 422 | RESOLVE_RAS_FUNCTION(RASDIAL, RasDial); |
| 423 | RESOLVE_RAS_FUNCTION(RASENUMCONNECTIONS, RasEnumConnections); |
| 424 | RESOLVE_RAS_FUNCTION(RASENUMENTRIES, RasEnumEntries); |
| 425 | RESOLVE_RAS_FUNCTION(RASGETCONNECTSTATUS, RasGetConnectStatus); |
| 426 | RESOLVE_RAS_FUNCTION(RASGETERRORSTRING, RasGetErrorString); |
| 427 | RESOLVE_RAS_FUNCTION(RASHANGUP, RasHangUp); |
| 428 | RESOLVE_RAS_FUNCTION(RASGETENTRYDIALPARAMS, RasGetEntryDialParams); |
| 429 | |
| 430 | // suppress error messages about missing (non essential) functions |
| 431 | { |
| 432 | wxLogNull noLog; |
| 433 | |
| 434 | RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETPROJECTIONINFO, RasGetProjectionInfo); |
| 435 | RESOLVE_OPTIONAL_RAS_FUNCTION(RASCREATEPHONEBOOKENTRY, RasCreatePhonebookEntry); |
| 436 | RESOLVE_OPTIONAL_RAS_FUNCTION(RASEDITPHONEBOOKENTRY, RasEditPhonebookEntry); |
| 437 | RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYDIALPARAMS, RasSetEntryDialParams); |
| 438 | RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETENTRYPROPERTIES, RasGetEntryProperties); |
| 439 | RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYPROPERTIES, RasSetEntryProperties); |
| 440 | RESOLVE_OPTIONAL_RAS_FUNCTION(RASRENAMEENTRY, RasRenameEntry); |
| 441 | RESOLVE_OPTIONAL_RAS_FUNCTION(RASDELETEENTRY, RasDeleteEntry); |
| 442 | RESOLVE_OPTIONAL_RAS_FUNCTION(RASVALIDATEENTRYNAME, RasValidateEntryName); |
| 443 | RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETCOUNTRYINFO, RasGetCountryInfo); |
| 444 | RESOLVE_OPTIONAL_RAS_FUNCTION(RASENUMDEVICES, RasEnumDevices); |
| 445 | RESOLVE_OPTIONAL_RAS_FUNCTION(RASCONNECTIONNOTIFICATION, RasConnectionNotification); |
| 446 | } |
| 447 | |
| 448 | // keep your preprocessor name space clean |
| 449 | #undef RESOLVE_RAS_FUNCTION |
| 450 | #undef RESOLVE_OPTIONAL_RAS_FUNCTION |
| 451 | |
| 452 | exit: |
| 453 | if ( funcName ) |
| 454 | { |
| 455 | wxLogError(_("The version of remote access service (RAS) installed " |
| 456 | "on this machine is too old, please upgrade (the " |
| 457 | "following required function is missing: %s)."), |
| 458 | funcName); |
| 459 | m_dllRas.Unload(); |
| 460 | return; |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | // enable auto check by default |
| 465 | EnableAutoCheckOnlineStatus(0); |
| 466 | } |
| 467 | |
| 468 | wxDialUpManagerMSW::~wxDialUpManagerMSW() |
| 469 | { |
| 470 | CleanUpThreadData(); |
| 471 | } |
| 472 | |
| 473 | // ---------------------------------------------------------------------------- |
| 474 | // helper functions |
| 475 | // ---------------------------------------------------------------------------- |
| 476 | |
| 477 | wxString wxDialUpManagerMSW::GetErrorString(DWORD error) |
| 478 | { |
| 479 | wxChar buffer[512]; // this should be more than enough according to MS docs |
| 480 | DWORD dwRet = ms_pfnRasGetErrorString(error, buffer, WXSIZEOF(buffer)); |
| 481 | switch ( dwRet ) |
| 482 | { |
| 483 | case ERROR_INVALID_PARAMETER: |
| 484 | // this was a standard Win32 error probably |
| 485 | return wxString(wxSysErrorMsg(error)); |
| 486 | |
| 487 | default: |
| 488 | { |
| 489 | wxLogSysError(dwRet, |
| 490 | _("Failed to retrieve text of RAS error message")); |
| 491 | |
| 492 | wxString msg; |
| 493 | msg.Printf(_("unknown error (error code %08x)."), error); |
| 494 | return msg; |
| 495 | } |
| 496 | |
| 497 | case 0: |
| 498 | // we want the error message to start from a lower case letter |
| 499 | buffer[0] = (wxChar)wxTolower(buffer[0]); |
| 500 | |
| 501 | return wxString(buffer); |
| 502 | } |
| 503 | } |
| 504 | |
| 505 | HRASCONN wxDialUpManagerMSW::FindActiveConnection() |
| 506 | { |
| 507 | // enumerate connections |
| 508 | DWORD cbBuf = sizeof(RASCONN); |
| 509 | LPRASCONN lpRasConn = (LPRASCONN)malloc(cbBuf); |
| 510 | if ( !lpRasConn ) |
| 511 | { |
| 512 | // out of memory |
| 513 | return 0; |
| 514 | } |
| 515 | |
| 516 | lpRasConn->dwSize = sizeof(RASCONN); |
| 517 | |
| 518 | DWORD nConnections = 0; |
| 519 | DWORD dwRet = ERROR_BUFFER_TOO_SMALL; |
| 520 | |
| 521 | while ( dwRet == ERROR_BUFFER_TOO_SMALL ) |
| 522 | { |
| 523 | dwRet = ms_pfnRasEnumConnections(lpRasConn, &cbBuf, &nConnections); |
| 524 | |
| 525 | if ( dwRet == ERROR_BUFFER_TOO_SMALL ) |
| 526 | { |
| 527 | LPRASCONN lpRasConnOld = lpRasConn; |
| 528 | lpRasConn = (LPRASCONN)realloc(lpRasConn, cbBuf); |
| 529 | if ( !lpRasConn ) |
| 530 | { |
| 531 | // out of memory |
| 532 | free(lpRasConnOld); |
| 533 | |
| 534 | return 0; |
| 535 | } |
| 536 | } |
| 537 | else if ( dwRet == 0 ) |
| 538 | { |
| 539 | // ok, success |
| 540 | break; |
| 541 | } |
| 542 | else |
| 543 | { |
| 544 | // an error occurred |
| 545 | wxLogError(_("Cannot find active dialup connection: %s"), |
| 546 | GetErrorString(dwRet).c_str()); |
| 547 | return 0; |
| 548 | } |
| 549 | } |
| 550 | |
| 551 | HRASCONN hrasconn; |
| 552 | |
| 553 | switch ( nConnections ) |
| 554 | { |
| 555 | case 0: |
| 556 | // no connections |
| 557 | hrasconn = 0; |
| 558 | break; |
| 559 | |
| 560 | default: |
| 561 | // more than 1 connection - we don't know what to do with this |
| 562 | // case, so give a warning but continue (taking the first |
| 563 | // connection) - the warning is really needed because this function |
| 564 | // is used, for example, to select the connection to hang up and so |
| 565 | // we may hang up the wrong connection here... |
| 566 | wxLogWarning(_("Several active dialup connections found, choosing one randomly.")); |
| 567 | // fall through |
| 568 | |
| 569 | case 1: |
| 570 | // exactly 1 connection, great |
| 571 | hrasconn = lpRasConn->hrasconn; |
| 572 | } |
| 573 | |
| 574 | free(lpRasConn); |
| 575 | |
| 576 | return hrasconn; |
| 577 | } |
| 578 | |
| 579 | void wxDialUpManagerMSW::CleanUpThreadData() |
| 580 | { |
| 581 | if ( m_hThread ) |
| 582 | { |
| 583 | if ( !SetEvent(m_data->hEventQuit) ) |
| 584 | { |
| 585 | wxLogLastError(_T("SetEvent(RasThreadQuit)")); |
| 586 | } |
| 587 | else // sent quit request to the background thread |
| 588 | { |
| 589 | // the thread still needs m_data so we can't free it here, rather |
| 590 | // let the thread do it itself |
| 591 | m_data = NULL; |
| 592 | } |
| 593 | |
| 594 | CloseHandle(m_hThread); |
| 595 | |
| 596 | m_hThread = 0; |
| 597 | } |
| 598 | |
| 599 | if ( m_data ) |
| 600 | { |
| 601 | delete m_data; |
| 602 | m_data = NULL; |
| 603 | } |
| 604 | } |
| 605 | |
| 606 | // ---------------------------------------------------------------------------- |
| 607 | // connection status |
| 608 | // ---------------------------------------------------------------------------- |
| 609 | |
| 610 | void wxDialUpManagerMSW::CheckRasStatus() |
| 611 | { |
| 612 | // use int, not bool to compare with -1 |
| 613 | int isConnected = FindActiveConnection() != 0; |
| 614 | if ( isConnected != ms_isConnected ) |
| 615 | { |
| 616 | if ( ms_isConnected != -1 ) |
| 617 | { |
| 618 | // notify the program |
| 619 | NotifyApp(isConnected != 0); |
| 620 | } |
| 621 | // else: it's the first time we're called, just update the flag |
| 622 | |
| 623 | ms_isConnected = isConnected; |
| 624 | } |
| 625 | } |
| 626 | |
| 627 | void wxDialUpManagerMSW::NotifyApp(bool connected, bool fromOurselves) const |
| 628 | { |
| 629 | wxDialUpEvent event(connected, fromOurselves); |
| 630 | (void)wxTheApp->ProcessEvent(event); |
| 631 | } |
| 632 | |
| 633 | // this function is called whenever the status of any RAS connection on this |
| 634 | // machine changes by RAS itself |
| 635 | void wxDialUpManagerMSW::OnConnectStatusChange() |
| 636 | { |
| 637 | // we know that status changed, but we don't know whether we're connected |
| 638 | // or not - so find it out |
| 639 | CheckRasStatus(); |
| 640 | } |
| 641 | |
| 642 | // this function is called by our callback which we give to RasDial() when |
| 643 | // calling it asynchronously |
| 644 | void wxDialUpManagerMSW::OnDialProgress(RASCONNSTATE rasconnstate, |
| 645 | DWORD dwError) |
| 646 | { |
| 647 | if ( !GetDialer() ) |
| 648 | { |
| 649 | // this probably means that CancelDialing() was called and we get |
| 650 | // "disconnected" notification |
| 651 | return; |
| 652 | } |
| 653 | |
| 654 | // we're only interested in 2 events: connected and disconnected |
| 655 | if ( dwError ) |
| 656 | { |
| 657 | wxLogError(_("Failed to establish dialup connection: %s"), |
| 658 | GetErrorString(dwError).c_str()); |
| 659 | |
| 660 | // we should still call RasHangUp() if we got a non 0 connection |
| 661 | if ( ms_hRasConnection ) |
| 662 | { |
| 663 | ms_pfnRasHangUp(ms_hRasConnection); |
| 664 | ms_hRasConnection = 0; |
| 665 | } |
| 666 | |
| 667 | ms_dialer = NULL; |
| 668 | |
| 669 | NotifyApp(false /* !connected */, true /* we dialed ourselves */); |
| 670 | } |
| 671 | else if ( rasconnstate == RASCS_Connected ) |
| 672 | { |
| 673 | ms_isConnected = true; |
| 674 | ms_dialer = NULL; |
| 675 | |
| 676 | NotifyApp(true /* connected */, true /* we dialed ourselves */); |
| 677 | } |
| 678 | } |
| 679 | |
| 680 | // ---------------------------------------------------------------------------- |
| 681 | // implementation of wxDialUpManager functions |
| 682 | // ---------------------------------------------------------------------------- |
| 683 | |
| 684 | bool wxDialUpManagerMSW::IsOk() const |
| 685 | { |
| 686 | return m_dllRas.IsLoaded(); |
| 687 | } |
| 688 | |
| 689 | size_t wxDialUpManagerMSW::GetISPNames(wxArrayString& names) const |
| 690 | { |
| 691 | // fetch the entries |
| 692 | DWORD size = sizeof(RASENTRYNAME); |
| 693 | RASENTRYNAME *rasEntries = (RASENTRYNAME *)malloc(size); |
| 694 | rasEntries->dwSize = sizeof(RASENTRYNAME); |
| 695 | |
| 696 | DWORD nEntries; |
| 697 | DWORD dwRet; |
| 698 | do |
| 699 | { |
| 700 | dwRet = ms_pfnRasEnumEntries |
| 701 | ( |
| 702 | NULL, // reserved |
| 703 | NULL, // default phone book (or all) |
| 704 | rasEntries, // [out] buffer for the entries |
| 705 | &size, // [in/out] size of the buffer |
| 706 | &nEntries // [out] number of entries fetched |
| 707 | ); |
| 708 | |
| 709 | if ( dwRet == ERROR_BUFFER_TOO_SMALL ) |
| 710 | { |
| 711 | // reallocate the buffer |
| 712 | void *n = realloc(rasEntries, size); |
| 713 | if (n == NULL) |
| 714 | { |
| 715 | free(rasEntries); |
| 716 | return 0; |
| 717 | } |
| 718 | rasEntries = (RASENTRYNAME *)n; |
| 719 | } |
| 720 | else if ( dwRet != 0 ) |
| 721 | { |
| 722 | // some other error - abort |
| 723 | wxLogError(_("Failed to get ISP names: %s"), |
| 724 | GetErrorString(dwRet).c_str()); |
| 725 | |
| 726 | free(rasEntries); |
| 727 | |
| 728 | return 0u; |
| 729 | } |
| 730 | } |
| 731 | while ( dwRet != 0 ); |
| 732 | |
| 733 | // process them |
| 734 | names.Empty(); |
| 735 | for ( size_t n = 0; n < (size_t)nEntries; n++ ) |
| 736 | { |
| 737 | names.Add(rasEntries[n].szEntryName); |
| 738 | } |
| 739 | |
| 740 | free(rasEntries); |
| 741 | |
| 742 | // return the number of entries |
| 743 | return names.GetCount(); |
| 744 | } |
| 745 | |
| 746 | bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP, |
| 747 | const wxString& username, |
| 748 | const wxString& password, |
| 749 | bool async) |
| 750 | { |
| 751 | // check preconditions |
| 752 | wxCHECK_MSG( IsOk(), false, wxT("using uninitialized wxDialUpManager") ); |
| 753 | |
| 754 | if ( ms_hRasConnection ) |
| 755 | { |
| 756 | wxFAIL_MSG(wxT("there is already an active connection")); |
| 757 | |
| 758 | return true; |
| 759 | } |
| 760 | |
| 761 | // get the default ISP if none given |
| 762 | wxString entryName(nameOfISP); |
| 763 | if ( !entryName ) |
| 764 | { |
| 765 | wxArrayString names; |
| 766 | size_t count = GetISPNames(names); |
| 767 | switch ( count ) |
| 768 | { |
| 769 | case 0: |
| 770 | // no known ISPs, abort |
| 771 | wxLogError(_("Failed to connect: no ISP to dial.")); |
| 772 | |
| 773 | return false; |
| 774 | |
| 775 | case 1: |
| 776 | // only one ISP, choose it |
| 777 | entryName = names[0u]; |
| 778 | break; |
| 779 | |
| 780 | default: |
| 781 | // several ISPs, let the user choose |
| 782 | { |
| 783 | wxString *strings = new wxString[count]; |
| 784 | for ( size_t i = 0; i < count; i++ ) |
| 785 | { |
| 786 | strings[i] = names[i]; |
| 787 | } |
| 788 | |
| 789 | entryName = wxGetSingleChoice |
| 790 | ( |
| 791 | _("Choose ISP to dial"), |
| 792 | _("Please choose which ISP do you want to connect to"), |
| 793 | count, |
| 794 | strings |
| 795 | ); |
| 796 | |
| 797 | delete [] strings; |
| 798 | |
| 799 | if ( !entryName ) |
| 800 | { |
| 801 | // cancelled by user |
| 802 | return false; |
| 803 | } |
| 804 | } |
| 805 | } |
| 806 | } |
| 807 | |
| 808 | RASDIALPARAMS rasDialParams; |
| 809 | rasDialParams.dwSize = sizeof(rasDialParams); |
| 810 | wxStrlcpy(rasDialParams.szEntryName, entryName.c_str(), RAS_MaxEntryName); |
| 811 | |
| 812 | // do we have the username and password? |
| 813 | if ( !username || !password ) |
| 814 | { |
| 815 | BOOL gotPassword; |
| 816 | DWORD dwRet = ms_pfnRasGetEntryDialParams |
| 817 | ( |
| 818 | NULL, // default phonebook |
| 819 | &rasDialParams, // [in/out] the params of this entry |
| 820 | &gotPassword // [out] did we get password? |
| 821 | ); |
| 822 | |
| 823 | if ( dwRet != 0 ) |
| 824 | { |
| 825 | wxLogError(_("Failed to connect: missing username/password.")); |
| 826 | |
| 827 | return false; |
| 828 | } |
| 829 | } |
| 830 | else |
| 831 | { |
| 832 | wxStrlcpy(rasDialParams.szUserName, username.c_str(), UNLEN); |
| 833 | wxStrlcpy(rasDialParams.szPassword, password.c_str(), PWLEN); |
| 834 | } |
| 835 | |
| 836 | // default values for other fields |
| 837 | rasDialParams.szPhoneNumber[0] = '\0'; |
| 838 | rasDialParams.szCallbackNumber[0] = '\0'; |
| 839 | rasDialParams.szCallbackNumber[0] = '\0'; |
| 840 | |
| 841 | rasDialParams.szDomain[0] = '*'; |
| 842 | rasDialParams.szDomain[1] = '\0'; |
| 843 | |
| 844 | // apparently, this is not really necessary - passing NULL instead of the |
| 845 | // phone book has the same effect |
| 846 | #if 0 |
| 847 | wxString phoneBook; |
| 848 | if ( wxGetOsVersion() == wxWINDOWS_NT ) |
| 849 | { |
| 850 | // first get the length |
| 851 | UINT nLen = ::GetSystemDirectory(NULL, 0); |
| 852 | nLen++; |
| 853 | |
| 854 | if ( !::GetSystemDirectory(phoneBook.GetWriteBuf(nLen), nLen) ) |
| 855 | { |
| 856 | wxLogSysError(_("Cannot find the location of address book file")); |
| 857 | } |
| 858 | |
| 859 | phoneBook.UngetWriteBuf(); |
| 860 | |
| 861 | // this is the default phone book |
| 862 | phoneBook << "\\ras\\rasphone.pbk"; |
| 863 | } |
| 864 | #endif // 0 |
| 865 | |
| 866 | // TODO may be we should disable auto check while async dialing is in |
| 867 | // progress? |
| 868 | |
| 869 | ms_dialer = this; |
| 870 | |
| 871 | DWORD dwRet = ms_pfnRasDial |
| 872 | ( |
| 873 | NULL, // no extended features |
| 874 | NULL, // default phone book file (NT only) |
| 875 | &rasDialParams, |
| 876 | 0, // use callback for notifications |
| 877 | async ? (void *)wxRasDialFunc // cast needed for gcc 3.1 |
| 878 | : 0, // no notifications, sync operation |
| 879 | &ms_hRasConnection |
| 880 | ); |
| 881 | |
| 882 | if ( dwRet != 0 ) |
| 883 | { |
| 884 | // can't pass a wxWCharBuffer through ( ... ) |
| 885 | if ( async ) |
| 886 | wxLogError(_("Failed to initiate dialup connection: %s"), |
| 887 | GetErrorString(dwRet).c_str()); |
| 888 | else |
| 889 | wxLogError(_("Failed to establish dialup connection: %s"), |
| 890 | GetErrorString(dwRet).c_str()); |
| 891 | |
| 892 | // we should still call RasHangUp() if we got a non 0 connection |
| 893 | if ( ms_hRasConnection ) |
| 894 | { |
| 895 | ms_pfnRasHangUp(ms_hRasConnection); |
| 896 | ms_hRasConnection = 0; |
| 897 | } |
| 898 | |
| 899 | ms_dialer = NULL; |
| 900 | |
| 901 | return false; |
| 902 | } |
| 903 | |
| 904 | // for async dialing, we're not yet connected |
| 905 | if ( !async ) |
| 906 | { |
| 907 | ms_isConnected = true; |
| 908 | } |
| 909 | |
| 910 | return true; |
| 911 | } |
| 912 | |
| 913 | bool wxDialUpManagerMSW::IsDialing() const |
| 914 | { |
| 915 | return GetDialer() != NULL; |
| 916 | } |
| 917 | |
| 918 | bool wxDialUpManagerMSW::CancelDialing() |
| 919 | { |
| 920 | if ( !GetDialer() ) |
| 921 | { |
| 922 | // silently ignore |
| 923 | return false; |
| 924 | } |
| 925 | |
| 926 | wxASSERT_MSG( ms_hRasConnection, wxT("dialing but no connection?") ); |
| 927 | |
| 928 | ms_dialer = NULL; |
| 929 | |
| 930 | return HangUp(); |
| 931 | } |
| 932 | |
| 933 | bool wxDialUpManagerMSW::HangUp() |
| 934 | { |
| 935 | wxCHECK_MSG( IsOk(), false, wxT("using uninitialized wxDialUpManager") ); |
| 936 | |
| 937 | // we may terminate either the connection we initiated or another one which |
| 938 | // is active now |
| 939 | HRASCONN hRasConn; |
| 940 | if ( ms_hRasConnection ) |
| 941 | { |
| 942 | hRasConn = ms_hRasConnection; |
| 943 | |
| 944 | ms_hRasConnection = 0; |
| 945 | } |
| 946 | else |
| 947 | { |
| 948 | hRasConn = FindActiveConnection(); |
| 949 | } |
| 950 | |
| 951 | if ( !hRasConn ) |
| 952 | { |
| 953 | wxLogError(_("Cannot hang up - no active dialup connection.")); |
| 954 | |
| 955 | return false; |
| 956 | } |
| 957 | |
| 958 | // note that it's not an error if the connection had been already |
| 959 | // terminated |
| 960 | const DWORD dwRet = ms_pfnRasHangUp(hRasConn); |
| 961 | if ( dwRet != 0 && dwRet != ERROR_NO_CONNECTION ) |
| 962 | { |
| 963 | wxLogError(_("Failed to terminate the dialup connection: %s"), |
| 964 | GetErrorString(dwRet).c_str()); |
| 965 | } |
| 966 | |
| 967 | ms_isConnected = false; |
| 968 | |
| 969 | return true; |
| 970 | } |
| 971 | |
| 972 | bool wxDialUpManagerMSW::IsAlwaysOnline() const |
| 973 | { |
| 974 | // assume no permanent connection by default |
| 975 | bool isAlwaysOnline = false; |
| 976 | |
| 977 | // try to use WinInet functions |
| 978 | |
| 979 | // NB: we could probably use wxDynamicLibrary here just as well, |
| 980 | // but we allow multiple instances of wxDialUpManagerMSW so |
| 981 | // we might as well use the ref counted version here too. |
| 982 | |
| 983 | wxDynamicLibrary hDll(_T("WININET")); |
| 984 | if ( hDll.IsLoaded() ) |
| 985 | { |
| 986 | typedef BOOL (WINAPI *INTERNETGETCONNECTEDSTATE)(LPDWORD, DWORD); |
| 987 | INTERNETGETCONNECTEDSTATE pfnInternetGetConnectedState; |
| 988 | |
| 989 | #define RESOLVE_FUNCTION(type, name) \ |
| 990 | pfn##name = (type)hDll.GetSymbol(_T(#name)) |
| 991 | |
| 992 | RESOLVE_FUNCTION(INTERNETGETCONNECTEDSTATE, InternetGetConnectedState); |
| 993 | |
| 994 | if ( pfnInternetGetConnectedState ) |
| 995 | { |
| 996 | DWORD flags = 0; |
| 997 | if ( pfnInternetGetConnectedState(&flags, 0 /* reserved */) ) |
| 998 | { |
| 999 | // there is some connection to the net, see of which type |
| 1000 | isAlwaysOnline = (flags & (INTERNET_CONNECTION_LAN | |
| 1001 | INTERNET_CONNECTION_PROXY)) != 0; |
| 1002 | } |
| 1003 | //else: no Internet connection at all |
| 1004 | } |
| 1005 | } |
| 1006 | |
| 1007 | return isAlwaysOnline; |
| 1008 | } |
| 1009 | |
| 1010 | bool wxDialUpManagerMSW::IsOnline() const |
| 1011 | { |
| 1012 | wxCHECK_MSG( IsOk(), false, wxT("using uninitialized wxDialUpManager") ); |
| 1013 | |
| 1014 | if ( IsAlwaysOnline() ) |
| 1015 | { |
| 1016 | // always => now |
| 1017 | return true; |
| 1018 | } |
| 1019 | |
| 1020 | if ( ms_userSpecifiedOnlineStatus != -1 ) |
| 1021 | { |
| 1022 | // user specified flag overrides our logic |
| 1023 | return ms_userSpecifiedOnlineStatus != 0; |
| 1024 | } |
| 1025 | else |
| 1026 | { |
| 1027 | // return true if there is at least one active connection |
| 1028 | return FindActiveConnection() != 0; |
| 1029 | } |
| 1030 | } |
| 1031 | |
| 1032 | void wxDialUpManagerMSW::SetOnlineStatus(bool isOnline) |
| 1033 | { |
| 1034 | wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") ); |
| 1035 | |
| 1036 | ms_userSpecifiedOnlineStatus = isOnline; |
| 1037 | } |
| 1038 | |
| 1039 | bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds) |
| 1040 | { |
| 1041 | wxCHECK_MSG( IsOk(), false, wxT("using uninitialized wxDialUpManager") ); |
| 1042 | |
| 1043 | if ( m_autoCheckLevel++ ) |
| 1044 | { |
| 1045 | // already checking |
| 1046 | return true; |
| 1047 | } |
| 1048 | |
| 1049 | bool ok = ms_pfnRasConnectionNotification != 0; |
| 1050 | |
| 1051 | if ( ok ) |
| 1052 | { |
| 1053 | // we're running under NT 4.0, Windows 98 or later and can use |
| 1054 | // RasConnectionNotification() to be notified by a secondary thread |
| 1055 | |
| 1056 | // first, see if we don't have this thread already running |
| 1057 | if ( m_hThread != 0 ) |
| 1058 | { |
| 1059 | if ( ::ResumeThread(m_hThread) != (DWORD)-1 ) |
| 1060 | return true; |
| 1061 | |
| 1062 | // we're leaving a zombie thread... but what else can we do? |
| 1063 | wxLogLastError(wxT("ResumeThread(RasThread)")); |
| 1064 | |
| 1065 | ok = false; |
| 1066 | } |
| 1067 | } |
| 1068 | |
| 1069 | // create all the stuff we need to be notified about RAS connection |
| 1070 | // status change |
| 1071 | |
| 1072 | if ( ok ) |
| 1073 | { |
| 1074 | // first create an event to wait on |
| 1075 | m_data->hEventRas = ::CreateEvent |
| 1076 | ( |
| 1077 | NULL, // security attribute (default) |
| 1078 | FALSE, // manual reset (no, it is automatic) |
| 1079 | FALSE, // initial state (not signaled) |
| 1080 | NULL // name (no) |
| 1081 | ); |
| 1082 | if ( !m_data->hEventRas ) |
| 1083 | { |
| 1084 | wxLogLastError(wxT("CreateEvent(RasStatus)")); |
| 1085 | |
| 1086 | ok = false; |
| 1087 | } |
| 1088 | } |
| 1089 | |
| 1090 | if ( ok ) |
| 1091 | { |
| 1092 | // create the event we use to quit the thread: using a manual event |
| 1093 | // here avoids problems with missing the event if wxDialUpManagerMSW |
| 1094 | // is created and destroyed immediately, before wxRasStatusWindowProc |
| 1095 | // starts waiting on the event |
| 1096 | m_data->hEventQuit = ::CreateEvent |
| 1097 | ( |
| 1098 | NULL, // default security |
| 1099 | TRUE, // manual event |
| 1100 | FALSE, // initially non signalled |
| 1101 | NULL // nameless |
| 1102 | ); |
| 1103 | if ( !m_data->hEventQuit ) |
| 1104 | { |
| 1105 | wxLogLastError(wxT("CreateEvent(RasThreadQuit)")); |
| 1106 | |
| 1107 | CleanUpThreadData(); |
| 1108 | |
| 1109 | ok = false; |
| 1110 | } |
| 1111 | } |
| 1112 | |
| 1113 | if ( ok && !ms_hwndRas ) |
| 1114 | { |
| 1115 | // create a hidden window to receive notification about connections |
| 1116 | // status change |
| 1117 | ms_hwndRas = wxCreateHiddenWindow |
| 1118 | ( |
| 1119 | &gs_classForDialUpWindow, |
| 1120 | wxMSWDIALUP_WNDCLASSNAME, |
| 1121 | wxRasStatusWindowProc |
| 1122 | ); |
| 1123 | if ( !ms_hwndRas ) |
| 1124 | { |
| 1125 | wxLogLastError(wxT("CreateWindow(RasHiddenWindow)")); |
| 1126 | |
| 1127 | CleanUpThreadData(); |
| 1128 | |
| 1129 | ok = false; |
| 1130 | } |
| 1131 | } |
| 1132 | |
| 1133 | m_data->hWnd = ms_hwndRas; |
| 1134 | |
| 1135 | if ( ok ) |
| 1136 | { |
| 1137 | // start the secondary thread |
| 1138 | m_data->dialUpManager = this; |
| 1139 | |
| 1140 | DWORD tid; |
| 1141 | m_hThread = CreateThread |
| 1142 | ( |
| 1143 | NULL, |
| 1144 | 0, |
| 1145 | (LPTHREAD_START_ROUTINE)wxRasMonitorThread, |
| 1146 | (void *)m_data, |
| 1147 | 0, |
| 1148 | &tid |
| 1149 | ); |
| 1150 | |
| 1151 | if ( !m_hThread ) |
| 1152 | { |
| 1153 | wxLogLastError(wxT("CreateThread(RasStatusThread)")); |
| 1154 | |
| 1155 | CleanUpThreadData(); |
| 1156 | } |
| 1157 | } |
| 1158 | |
| 1159 | if ( ok ) |
| 1160 | { |
| 1161 | // start receiving RAS notifications |
| 1162 | DWORD dwRet = ms_pfnRasConnectionNotification |
| 1163 | ( |
| 1164 | (HRASCONN)INVALID_HANDLE_VALUE, |
| 1165 | m_data->hEventRas, |
| 1166 | 3 /* RASCN_Connection | RASCN_Disconnection */ |
| 1167 | ); |
| 1168 | |
| 1169 | if ( dwRet != 0 ) |
| 1170 | { |
| 1171 | wxLogDebug(wxT("RasConnectionNotification() failed: %s"), |
| 1172 | GetErrorString(dwRet).c_str()); |
| 1173 | |
| 1174 | CleanUpThreadData(); |
| 1175 | } |
| 1176 | else |
| 1177 | { |
| 1178 | return true; |
| 1179 | } |
| 1180 | } |
| 1181 | |
| 1182 | // we're running under Windows 95 and have to poll ourselves |
| 1183 | // (or, alternatively, the code above for NT/98 failed) |
| 1184 | m_timerStatusPolling.Stop(); |
| 1185 | if ( nSeconds == 0 ) |
| 1186 | { |
| 1187 | // default value |
| 1188 | nSeconds = 60; |
| 1189 | } |
| 1190 | m_timerStatusPolling.Start(nSeconds * 1000); |
| 1191 | |
| 1192 | return true; |
| 1193 | } |
| 1194 | |
| 1195 | void wxDialUpManagerMSW::DisableAutoCheckOnlineStatus() |
| 1196 | { |
| 1197 | wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") ); |
| 1198 | |
| 1199 | if ( --m_autoCheckLevel != 0 ) |
| 1200 | { |
| 1201 | // still checking |
| 1202 | return; |
| 1203 | } |
| 1204 | |
| 1205 | if ( m_hThread ) |
| 1206 | { |
| 1207 | // we have running secondary thread, it's just enough to suspend it |
| 1208 | if ( SuspendThread(m_hThread) == (DWORD)-1 ) |
| 1209 | { |
| 1210 | wxLogLastError(wxT("SuspendThread(RasThread)")); |
| 1211 | } |
| 1212 | } |
| 1213 | else |
| 1214 | { |
| 1215 | // even simpler - just stop the timer |
| 1216 | m_timerStatusPolling.Stop(); |
| 1217 | } |
| 1218 | } |
| 1219 | |
| 1220 | // ---------------------------------------------------------------------------- |
| 1221 | // stubs which don't do anything in MSW version |
| 1222 | // ---------------------------------------------------------------------------- |
| 1223 | |
| 1224 | void wxDialUpManagerMSW::SetWellKnownHost(const wxString& WXUNUSED(hostname), |
| 1225 | int WXUNUSED(port)) |
| 1226 | { |
| 1227 | wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") ); |
| 1228 | |
| 1229 | // nothing to do - we don't use this |
| 1230 | } |
| 1231 | |
| 1232 | void wxDialUpManagerMSW::SetConnectCommand(const wxString& WXUNUSED(dial), |
| 1233 | const wxString& WXUNUSED(hangup)) |
| 1234 | { |
| 1235 | wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") ); |
| 1236 | |
| 1237 | // nothing to do - we don't use this |
| 1238 | } |
| 1239 | |
| 1240 | // ---------------------------------------------------------------------------- |
| 1241 | // callbacks |
| 1242 | // ---------------------------------------------------------------------------- |
| 1243 | |
| 1244 | static DWORD wxRasMonitorThread(wxRasThreadData *data) |
| 1245 | { |
| 1246 | HANDLE handles[2]; |
| 1247 | handles[0] = data->hEventRas; |
| 1248 | handles[1] = data->hEventQuit; |
| 1249 | |
| 1250 | bool cont = true; |
| 1251 | while ( cont ) |
| 1252 | { |
| 1253 | DWORD dwRet = ::WaitForMultipleObjects(2, handles, FALSE, INFINITE); |
| 1254 | |
| 1255 | switch ( dwRet ) |
| 1256 | { |
| 1257 | case WAIT_OBJECT_0: |
| 1258 | // RAS connection status changed |
| 1259 | SendMessage(data->hWnd, wxWM_RAS_STATUS_CHANGED, |
| 1260 | 0, (LPARAM)data); |
| 1261 | break; |
| 1262 | |
| 1263 | case WAIT_OBJECT_0 + 1: |
| 1264 | cont = false; |
| 1265 | break; |
| 1266 | |
| 1267 | default: |
| 1268 | wxFAIL_MSG( _T("unexpected return of WaitForMultipleObjects()") ); |
| 1269 | // fall through |
| 1270 | |
| 1271 | case WAIT_FAILED: |
| 1272 | #ifdef __WXDEBUG__ |
| 1273 | // using wxLogLastError() from here is dangerous: we risk to |
| 1274 | // deadlock the main thread if wxLog sends output to GUI |
| 1275 | DWORD err = GetLastError(); |
| 1276 | wxMessageOutputDebug dbg; |
| 1277 | dbg.Printf |
| 1278 | ( |
| 1279 | wxT("WaitForMultipleObjects(RasMonitor) failed: 0x%08lx (%s)"), |
| 1280 | err, |
| 1281 | wxSysErrorMsg(err) |
| 1282 | ); |
| 1283 | #endif // __WXDEBUG__ |
| 1284 | |
| 1285 | // no sense in continuing, who knows if the handles we're |
| 1286 | // waiting for even exist yet... |
| 1287 | return (DWORD)-1; |
| 1288 | } |
| 1289 | } |
| 1290 | |
| 1291 | // we don't need it any more now and if this thread ran, it is our |
| 1292 | // responsability to free the data |
| 1293 | delete data; |
| 1294 | |
| 1295 | return 0; |
| 1296 | } |
| 1297 | |
| 1298 | static LRESULT APIENTRY wxRasStatusWindowProc(HWND hWnd, UINT message, |
| 1299 | WPARAM wParam, LPARAM lParam) |
| 1300 | { |
| 1301 | switch ( message ) |
| 1302 | { |
| 1303 | case wxWM_RAS_STATUS_CHANGED: |
| 1304 | { |
| 1305 | wxRasThreadData *data = (wxRasThreadData *)lParam; |
| 1306 | data->dialUpManager->OnConnectStatusChange(); |
| 1307 | } |
| 1308 | break; |
| 1309 | |
| 1310 | case wxWM_RAS_DIALING_PROGRESS: |
| 1311 | { |
| 1312 | wxDialUpManagerMSW *dialMan = wxDialUpManagerMSW::GetDialer(); |
| 1313 | |
| 1314 | dialMan->OnDialProgress((RASCONNSTATE)wParam, lParam); |
| 1315 | } |
| 1316 | break; |
| 1317 | |
| 1318 | default: |
| 1319 | return ::DefWindowProc(hWnd, message, wParam, lParam); |
| 1320 | } |
| 1321 | |
| 1322 | return 0; |
| 1323 | } |
| 1324 | |
| 1325 | static void WINAPI wxRasDialFunc(UINT WXUNUSED(unMsg), |
| 1326 | RASCONNSTATE rasconnstate, |
| 1327 | DWORD dwError) |
| 1328 | { |
| 1329 | wxDialUpManagerMSW *dialUpManager = wxDialUpManagerMSW::GetDialer(); |
| 1330 | |
| 1331 | wxCHECK_RET( dialUpManager, wxT("who started to dial then?") ); |
| 1332 | |
| 1333 | SendMessage(wxDialUpManagerMSW::GetRasWindow(), wxWM_RAS_DIALING_PROGRESS, |
| 1334 | rasconnstate, dwError); |
| 1335 | } |
| 1336 | |
| 1337 | #endif // __BORLANDC__ |
| 1338 | |
| 1339 | #endif // wxUSE_DIALUP_MANAGER |