src/msw/dialup.cpp

   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/msw/private.h"
  43 #include "wx/dynlib.h"
  44
  45 wxDEFINE_EVENT( wxEVT_DIALUP_CONNECTED, wxDialUpEvent );
  46 wxDEFINE_EVENT( wxEVT_DIALUP_DISCONNECTED, wxDialUpEvent );
  47
  48 // Doesn't yet compile under VC++ 4, BC++, Watcom C++,
  49 // Wine: no wininet.h
  50 #if (!defined(__BORLANDC__) || (__BORLANDC__>=0x550)) && \
  51     (!defined(__GNUWIN32__) || wxCHECK_W32API_VERSION(0, 5)) && \
  52     !defined(__GNUWIN32_OLD__) && \
  53     !defined(__WINE__) && \
  54     (!defined(__VISUALC__) || (__VISUALC__ >= 1020))
  55
  56 #include <ras.h>
  57 #include <raserror.h>
  58
  59 #include <wininet.h>
  60
  61 // Not in VC++ 5
  62 #ifndef INTERNET_CONNECTION_LAN
  63 #define INTERNET_CONNECTION_LAN 2
  64 #endif
  65 #ifndef INTERNET_CONNECTION_PROXY
  66 #define INTERNET_CONNECTION_PROXY 4
  67 #endif
  68
  69 // implemented in utils.cpp
  70 extern "C" WXDLLIMPEXP_BASE HWND
  71 wxCreateHiddenWindow(LPCTSTR *pclassname, LPCTSTR classname, WNDPROC wndproc);
  72
  73 static const wxChar *
  74     wxMSWDIALUP_WNDCLASSNAME = wxT("_wxDialUpManager_Internal_Class");
  75 static const wxChar *gs_classForDialUpWindow = NULL;
  76
  77 // ----------------------------------------------------------------------------
  78 // constants
  79 // ----------------------------------------------------------------------------
  80
  81 // this message is sent by the secondary thread when RAS status changes
  82 #define wxWM_RAS_STATUS_CHANGED (WM_USER + 10010)
  83 #define wxWM_RAS_DIALING_PROGRESS (WM_USER + 10011)
  84
  85 // ----------------------------------------------------------------------------
  86 // types
  87 // ----------------------------------------------------------------------------
  88
  89 // the signatures of RAS functions: all this is quite heavy, but we must do it
  90 // to allow running wxWin programs on machine which don't have RAS installed
  91 // (this does exist) - if we link with rasapi32.lib, the program will fail on
  92 // startup because of the missing DLL...
  93
  94 #ifndef UNICODE
  95     typedef DWORD (APIENTRY * RASDIAL)( LPRASDIALEXTENSIONS, LPCSTR, LPRASDIALPARAMSA, DWORD, LPVOID, LPHRASCONN );
  96     typedef DWORD (APIENTRY * RASENUMCONNECTIONS)( LPRASCONNA, LPDWORD, LPDWORD );
  97     typedef DWORD (APIENTRY * RASENUMENTRIES)( LPCSTR, LPCSTR, LPRASENTRYNAMEA, LPDWORD, LPDWORD );
  98     typedef DWORD (APIENTRY * RASGETCONNECTSTATUS)( HRASCONN, LPRASCONNSTATUSA );
  99     typedef DWORD (APIENTRY * RASGETERRORSTRING)( UINT, LPSTR, DWORD );
 100     typedef DWORD (APIENTRY * RASHANGUP)( HRASCONN );
 101     typedef DWORD (APIENTRY * RASGETPROJECTIONINFO)( HRASCONN, RASPROJECTION, LPVOID, LPDWORD );
 102     typedef DWORD (APIENTRY * RASCREATEPHONEBOOKENTRY)( HWND, LPCSTR );
 103     typedef DWORD (APIENTRY * RASEDITPHONEBOOKENTRY)( HWND, LPCSTR, LPCSTR );
 104     typedef DWORD (APIENTRY * RASSETENTRYDIALPARAMS)( LPCSTR, LPRASDIALPARAMSA, BOOL );
 105     typedef DWORD (APIENTRY * RASGETENTRYDIALPARAMS)( LPCSTR, LPRASDIALPARAMSA, LPBOOL );
 106     typedef DWORD (APIENTRY * RASENUMDEVICES)( LPRASDEVINFOA, LPDWORD, LPDWORD );
 107     typedef DWORD (APIENTRY * RASGETCOUNTRYINFO)( LPRASCTRYINFOA, LPDWORD );
 108     typedef DWORD (APIENTRY * RASGETENTRYPROPERTIES)( LPCSTR, LPCSTR, LPRASENTRYA, LPDWORD, LPBYTE, LPDWORD );
 109     typedef DWORD (APIENTRY * RASSETENTRYPROPERTIES)( LPCSTR, LPCSTR, LPRASENTRYA, DWORD, LPBYTE, DWORD );
 110     typedef DWORD (APIENTRY * RASRENAMEENTRY)( LPCSTR, LPCSTR, LPCSTR );
 111     typedef DWORD (APIENTRY * RASDELETEENTRY)( LPCSTR, LPCSTR );
 112     typedef DWORD (APIENTRY * RASVALIDATEENTRYNAME)( LPCSTR, LPCSTR );
 113     typedef DWORD (APIENTRY * RASCONNECTIONNOTIFICATION)( HRASCONN, HANDLE, DWORD );
 114
 115     static const wxChar gs_funcSuffix = wxT('A');
 116 #else // Unicode
 117     typedef DWORD (APIENTRY * RASDIAL)( LPRASDIALEXTENSIONS, LPCWSTR, LPRASDIALPARAMSW, DWORD, LPVOID, LPHRASCONN );
 118     typedef DWORD (APIENTRY * RASENUMCONNECTIONS)( LPRASCONNW, LPDWORD, LPDWORD );
 119     typedef DWORD (APIENTRY * RASENUMENTRIES)( LPCWSTR, LPCWSTR, LPRASENTRYNAMEW, LPDWORD, LPDWORD );
 120     typedef DWORD (APIENTRY * RASGETCONNECTSTATUS)( HRASCONN, LPRASCONNSTATUSW );
 121     typedef DWORD (APIENTRY * RASGETERRORSTRING)( UINT, LPWSTR, DWORD );
 122     typedef DWORD (APIENTRY * RASHANGUP)( HRASCONN );
 123     typedef DWORD (APIENTRY * RASGETPROJECTIONINFO)( HRASCONN, RASPROJECTION, LPVOID, LPDWORD );
 124     typedef DWORD (APIENTRY * RASCREATEPHONEBOOKENTRY)( HWND, LPCWSTR );
 125     typedef DWORD (APIENTRY * RASEDITPHONEBOOKENTRY)( HWND, LPCWSTR, LPCWSTR );
 126     typedef DWORD (APIENTRY * RASSETENTRYDIALPARAMS)( LPCWSTR, LPRASDIALPARAMSW, BOOL );
 127     typedef DWORD (APIENTRY * RASGETENTRYDIALPARAMS)( LPCWSTR, LPRASDIALPARAMSW, LPBOOL );
 128     typedef DWORD (APIENTRY * RASENUMDEVICES)( LPRASDEVINFOW, LPDWORD, LPDWORD );
 129     typedef DWORD (APIENTRY * RASGETCOUNTRYINFO)( LPRASCTRYINFOW, LPDWORD );
 130     typedef DWORD (APIENTRY * RASGETENTRYPROPERTIES)( LPCWSTR, LPCWSTR, LPRASENTRYW, LPDWORD, LPBYTE, LPDWORD );
 131     typedef DWORD (APIENTRY * RASSETENTRYPROPERTIES)( LPCWSTR, LPCWSTR, LPRASENTRYW, DWORD, LPBYTE, DWORD );
 132     typedef DWORD (APIENTRY * RASRENAMEENTRY)( LPCWSTR, LPCWSTR, LPCWSTR );
 133     typedef DWORD (APIENTRY * RASDELETEENTRY)( LPCWSTR, LPCWSTR );
 134     typedef DWORD (APIENTRY * RASVALIDATEENTRYNAME)( LPCWSTR, LPCWSTR );
 135     typedef DWORD (APIENTRY * RASCONNECTIONNOTIFICATION)( HRASCONN, HANDLE, DWORD );
 136
 137     static const wxChar gs_funcSuffix = wxT('W');
 138 #endif // ASCII/Unicode
 139
 140 // structure passed to the secondary thread
 141 struct WXDLLEXPORT wxRasThreadData
 142 {
 143     wxRasThreadData()
 144     {
 145         hWnd = 0;
 146         hEventRas =
 147         hEventQuit = 0;
 148         dialUpManager = NULL;
 149     }
 150
 151     ~wxRasThreadData()
 152     {
 153         if ( hWnd )
 154             DestroyWindow(hWnd);
 155
 156         if ( hEventQuit )
 157             CloseHandle(hEventQuit);
 158
 159         if ( hEventRas )
 160             CloseHandle(hEventRas);
 161     }
 162
 163     HWND    hWnd;       // window to send notifications to
 164     HANDLE  hEventRas,  // automatic event which RAS signals when status changes
 165             hEventQuit; // manual event which we signal when we terminate
 166
 167     class WXDLLIMPEXP_FWD_CORE wxDialUpManagerMSW *dialUpManager;  // the owner
 168 };
 169
 170 // ----------------------------------------------------------------------------
 171 // wxDialUpManager class for MSW
 172 // ----------------------------------------------------------------------------
 173
 174 class WXDLLEXPORT wxDialUpManagerMSW : public wxDialUpManager
 175 {
 176 public:
 177     // ctor & dtor
 178     wxDialUpManagerMSW();
 179     virtual ~wxDialUpManagerMSW();
 180
 181     // implement base class pure virtuals
 182     virtual bool IsOk() const;
 183     virtual size_t GetISPNames(wxArrayString& names) const;
 184     virtual bool Dial(const wxString& nameOfISP,
 185                       const wxString& username,
 186                       const wxString& password,
 187                       bool async);
 188     virtual bool IsDialing() const;
 189     virtual bool CancelDialing();
 190     virtual bool HangUp();
 191     virtual bool IsAlwaysOnline() const;
 192     virtual bool IsOnline() const;
 193     virtual void SetOnlineStatus(bool isOnline = true);
 194     virtual bool EnableAutoCheckOnlineStatus(size_t nSeconds);
 195     virtual void DisableAutoCheckOnlineStatus();
 196     virtual void SetWellKnownHost(const wxString& hostname, int port);
 197     virtual void SetConnectCommand(const wxString& commandDial,
 198                                    const wxString& commandHangup);
 199
 200     // for RasTimer
 201     void CheckRasStatus();
 202
 203     // for wxRasStatusWindowProc
 204     void OnConnectStatusChange();
 205     void OnDialProgress(RASCONNSTATE rasconnstate, DWORD dwError);
 206
 207     // for wxRasDialFunc
 208     static HWND GetRasWindow() { return ms_hwndRas; }
 209     static void ResetRasWindow() { ms_hwndRas = NULL; }
 210     static wxDialUpManagerMSW *GetDialer() { return ms_dialer; }
 211
 212 private:
 213     // return the error string for the given RAS error code
 214     static wxString GetErrorString(DWORD error);
 215
 216     // find the (first) handle of the active connection
 217     static HRASCONN FindActiveConnection();
 218
 219     // notify the application about status change
 220     void NotifyApp(bool connected, bool fromOurselves = false) const;
 221
 222     // destroy the thread data and the thread itself
 223     void CleanUpThreadData();
 224
 225     // number of times EnableAutoCheckOnlineStatus() had been called minus the
 226     // number of times DisableAutoCheckOnlineStatus() had been called
 227     int m_autoCheckLevel;
 228
 229     // timer used for polling RAS status
 230     class WXDLLEXPORT RasTimer : public wxTimer
 231     {
 232     public:
 233         RasTimer(wxDialUpManagerMSW *dialUpManager)
 234             { m_dialUpManager = dialUpManager; }
 235
 236         virtual void Notify() { m_dialUpManager->CheckRasStatus(); }
 237
 238     private:
 239         wxDialUpManagerMSW *m_dialUpManager;
 240
 241         wxDECLARE_NO_COPY_CLASS(RasTimer);
 242     } m_timerStatusPolling;
 243
 244     // thread handle for the thread sitting on connection change event
 245     HANDLE m_hThread;
 246
 247     // data used by this thread and our hidden window to send messages between
 248     // each other
 249     wxRasThreadData *m_data;
 250
 251     // the handle of rasapi32.dll when it's loaded
 252     wxDynamicLibrary m_dllRas;
 253
 254     // the hidden window we use for passing messages between threads
 255     static HWND ms_hwndRas;
 256
 257     // the handle of the connection we initiated or 0 if none
 258     static HRASCONN ms_hRasConnection;
 259
 260     // the pointers to RAS functions
 261     static RASDIAL ms_pfnRasDial;
 262     static RASENUMCONNECTIONS ms_pfnRasEnumConnections;
 263     static RASENUMENTRIES ms_pfnRasEnumEntries;
 264     static RASGETCONNECTSTATUS ms_pfnRasGetConnectStatus;
 265     static RASGETERRORSTRING ms_pfnRasGetErrorString;
 266     static RASHANGUP ms_pfnRasHangUp;
 267     static RASGETPROJECTIONINFO ms_pfnRasGetProjectionInfo;
 268     static RASCREATEPHONEBOOKENTRY ms_pfnRasCreatePhonebookEntry;
 269     static RASEDITPHONEBOOKENTRY ms_pfnRasEditPhonebookEntry;
 270     static RASSETENTRYDIALPARAMS ms_pfnRasSetEntryDialParams;
 271     static RASGETENTRYDIALPARAMS ms_pfnRasGetEntryDialParams;
 272     static RASENUMDEVICES ms_pfnRasEnumDevices;
 273     static RASGETCOUNTRYINFO ms_pfnRasGetCountryInfo;
 274     static RASGETENTRYPROPERTIES ms_pfnRasGetEntryProperties;
 275     static RASSETENTRYPROPERTIES ms_pfnRasSetEntryProperties;
 276     static RASRENAMEENTRY ms_pfnRasRenameEntry;
 277     static RASDELETEENTRY ms_pfnRasDeleteEntry;
 278     static RASVALIDATEENTRYNAME ms_pfnRasValidateEntryName;
 279
 280     // this function is not supported by Win95
 281     static RASCONNECTIONNOTIFICATION ms_pfnRasConnectionNotification;
 282
 283     // if this flag is different from -1, it overrides IsOnline()
 284     static int ms_userSpecifiedOnlineStatus;
 285
 286     // this flag tells us if we're online
 287     static int ms_isConnected;
 288
 289     // this flag tells us whether a call to RasDial() is in progress
 290     static wxDialUpManagerMSW *ms_dialer;
 291
 292     wxDECLARE_NO_COPY_CLASS(wxDialUpManagerMSW);
 293 };
 294
 295 // module to destroy helper window created by wxDialUpManagerMSW
 296 class wxDialUpManagerModule : public wxModule
 297 {
 298 public:
 299     bool OnInit() { return true; }
 300     void OnExit()
 301     {
 302         HWND hwnd = wxDialUpManagerMSW::GetRasWindow();
 303         if ( hwnd )
 304         {
 305             ::DestroyWindow(hwnd);
 306             wxDialUpManagerMSW::ResetRasWindow();
 307         }
 308
 309         if ( gs_classForDialUpWindow )
 310         {
 311             ::UnregisterClass(wxMSWDIALUP_WNDCLASSNAME, wxGetInstance());
 312             gs_classForDialUpWindow = NULL;
 313         }
 314     }
 315
 316 private:
 317     DECLARE_DYNAMIC_CLASS(wxDialUpManagerModule)
 318 };
 319
 320 IMPLEMENT_DYNAMIC_CLASS(wxDialUpManagerModule, wxModule)
 321
 322 // ----------------------------------------------------------------------------
 323 // private functions
 324 // ----------------------------------------------------------------------------
 325
 326 static LRESULT WINAPI wxRasStatusWindowProc(HWND hWnd, UINT message,
 327                                             WPARAM wParam, LPARAM lParam);
 328
 329 static DWORD wxRasMonitorThread(wxRasThreadData *data);
 330
 331 static void WINAPI wxRasDialFunc(UINT unMsg,
 332                                  RASCONNSTATE rasconnstate,
 333                                  DWORD dwError);
 334
 335 // ============================================================================
 336 // implementation
 337 // ============================================================================
 338
 339 // ----------------------------------------------------------------------------
 340 // init the static variables
 341 // ----------------------------------------------------------------------------
 342
 343 HRASCONN wxDialUpManagerMSW::ms_hRasConnection = 0;
 344
 345 HWND wxDialUpManagerMSW::ms_hwndRas = 0;
 346
 347 RASDIAL wxDialUpManagerMSW::ms_pfnRasDial = 0;
 348 RASENUMCONNECTIONS wxDialUpManagerMSW::ms_pfnRasEnumConnections = 0;
 349 RASENUMENTRIES wxDialUpManagerMSW::ms_pfnRasEnumEntries = 0;
 350 RASGETCONNECTSTATUS wxDialUpManagerMSW::ms_pfnRasGetConnectStatus = 0;
 351 RASGETERRORSTRING wxDialUpManagerMSW::ms_pfnRasGetErrorString = 0;
 352 RASHANGUP wxDialUpManagerMSW::ms_pfnRasHangUp = 0;
 353 RASGETPROJECTIONINFO wxDialUpManagerMSW::ms_pfnRasGetProjectionInfo = 0;
 354 RASCREATEPHONEBOOKENTRY wxDialUpManagerMSW::ms_pfnRasCreatePhonebookEntry = 0;
 355 RASEDITPHONEBOOKENTRY wxDialUpManagerMSW::ms_pfnRasEditPhonebookEntry = 0;
 356 RASSETENTRYDIALPARAMS wxDialUpManagerMSW::ms_pfnRasSetEntryDialParams = 0;
 357 RASGETENTRYDIALPARAMS wxDialUpManagerMSW::ms_pfnRasGetEntryDialParams = 0;
 358 RASENUMDEVICES wxDialUpManagerMSW::ms_pfnRasEnumDevices = 0;
 359 RASGETCOUNTRYINFO wxDialUpManagerMSW::ms_pfnRasGetCountryInfo = 0;
 360 RASGETENTRYPROPERTIES wxDialUpManagerMSW::ms_pfnRasGetEntryProperties = 0;
 361 RASSETENTRYPROPERTIES wxDialUpManagerMSW::ms_pfnRasSetEntryProperties = 0;
 362 RASRENAMEENTRY wxDialUpManagerMSW::ms_pfnRasRenameEntry = 0;
 363 RASDELETEENTRY wxDialUpManagerMSW::ms_pfnRasDeleteEntry = 0;
 364 RASVALIDATEENTRYNAME wxDialUpManagerMSW::ms_pfnRasValidateEntryName = 0;
 365 RASCONNECTIONNOTIFICATION wxDialUpManagerMSW::ms_pfnRasConnectionNotification = 0;
 366
 367 int wxDialUpManagerMSW::ms_userSpecifiedOnlineStatus = -1;
 368 int wxDialUpManagerMSW::ms_isConnected = -1;
 369 wxDialUpManagerMSW *wxDialUpManagerMSW::ms_dialer = NULL;
 370
 371 // ----------------------------------------------------------------------------
 372 // ctor and dtor: the dynamic linking happens here
 373 // ----------------------------------------------------------------------------
 374
 375 // the static creator function is implemented here
 376 wxDialUpManager *wxDialUpManager::Create()
 377 {
 378     return new wxDialUpManagerMSW;
 379 }
 380
 381 #ifdef __VISUALC__
 382     // warning about "'this' : used in base member initializer list" - so what?
 383     #pragma warning(disable:4355)
 384 #endif // VC++
 385
 386 wxDialUpManagerMSW::wxDialUpManagerMSW()
 387                   : m_timerStatusPolling(this),
 388                     m_dllRas(wxT("RASAPI32"))
 389 {
 390     // initialize our data
 391     m_autoCheckLevel = 0;
 392     m_hThread = 0;
 393     m_data = new wxRasThreadData;
 394
 395     if ( !m_dllRas.IsLoaded() )
 396     {
 397         wxLogError(_("Dial up functions are unavailable because the remote access service (RAS) is not installed on this machine. Please install it."));
 398     }
 399     else if ( !ms_pfnRasDial )
 400     {
 401         // resolve the functions we need
 402
 403         // this will contain the name of the function we failed to resolve
 404         // if any at the end
 405         const char *funcName = NULL;
 406
 407         // get the function from rasapi32.dll and abort if it's not found
 408         #define RESOLVE_RAS_FUNCTION(type, name)                          \
 409             ms_pfn##name = (type)m_dllRas.GetSymbol( wxString(wxT(#name))  \
 410                                                      + gs_funcSuffix);    \
 411             if ( !ms_pfn##name )                                          \
 412             {                                                             \
 413                 funcName = #name;                                         \
 414                 goto exit;                                                \
 415             }
 416
 417         // a variant of above macro which doesn't abort if the function is
 418         // not found in the DLL
 419         #define RESOLVE_OPTIONAL_RAS_FUNCTION(type, name)                 \
 420             ms_pfn##name = (type)m_dllRas.GetSymbol( wxString(wxT(#name))  \
 421                                                      + gs_funcSuffix);
 422
 423         RESOLVE_RAS_FUNCTION(RASDIAL, RasDial);
 424         RESOLVE_RAS_FUNCTION(RASENUMCONNECTIONS, RasEnumConnections);
 425         RESOLVE_RAS_FUNCTION(RASENUMENTRIES, RasEnumEntries);
 426         RESOLVE_RAS_FUNCTION(RASGETCONNECTSTATUS, RasGetConnectStatus);
 427         RESOLVE_RAS_FUNCTION(RASGETERRORSTRING, RasGetErrorString);
 428         RESOLVE_RAS_FUNCTION(RASHANGUP, RasHangUp);
 429         RESOLVE_RAS_FUNCTION(RASGETENTRYDIALPARAMS, RasGetEntryDialParams);
 430
 431         // suppress error messages about missing (non essential) functions
 432         {
 433             wxLogNull noLog;
 434
 435             RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETPROJECTIONINFO, RasGetProjectionInfo);
 436             RESOLVE_OPTIONAL_RAS_FUNCTION(RASCREATEPHONEBOOKENTRY, RasCreatePhonebookEntry);
 437             RESOLVE_OPTIONAL_RAS_FUNCTION(RASEDITPHONEBOOKENTRY, RasEditPhonebookEntry);
 438             RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYDIALPARAMS, RasSetEntryDialParams);
 439             RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETENTRYPROPERTIES, RasGetEntryProperties);
 440             RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYPROPERTIES, RasSetEntryProperties);
 441             RESOLVE_OPTIONAL_RAS_FUNCTION(RASRENAMEENTRY, RasRenameEntry);
 442             RESOLVE_OPTIONAL_RAS_FUNCTION(RASDELETEENTRY, RasDeleteEntry);
 443             RESOLVE_OPTIONAL_RAS_FUNCTION(RASVALIDATEENTRYNAME, RasValidateEntryName);
 444             RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETCOUNTRYINFO, RasGetCountryInfo);
 445             RESOLVE_OPTIONAL_RAS_FUNCTION(RASENUMDEVICES, RasEnumDevices);
 446             RESOLVE_OPTIONAL_RAS_FUNCTION(RASCONNECTIONNOTIFICATION, RasConnectionNotification);
 447         }
 448
 449         // keep your preprocessor name space clean
 450         #undef RESOLVE_RAS_FUNCTION
 451         #undef RESOLVE_OPTIONAL_RAS_FUNCTION
 452
 453 exit:
 454         if ( funcName )
 455         {
 456             wxLogError(_("The version of remote access service (RAS) installed "
 457                           "on this machine is too old, please upgrade (the "
 458                           "following required function is missing: %s)."),
 459                        funcName);
 460             m_dllRas.Unload();
 461             return;
 462         }
 463     }
 464
 465     // enable auto check by default
 466     EnableAutoCheckOnlineStatus(0);
 467 }
 468
 469 wxDialUpManagerMSW::~wxDialUpManagerMSW()
 470 {
 471     CleanUpThreadData();
 472 }
 473
 474 // ----------------------------------------------------------------------------
 475 // helper functions
 476 // ----------------------------------------------------------------------------
 477
 478 wxString wxDialUpManagerMSW::GetErrorString(DWORD error)
 479 {
 480     wxChar buffer[512]; // this should be more than enough according to MS docs
 481     DWORD dwRet = ms_pfnRasGetErrorString(error, buffer, WXSIZEOF(buffer));
 482     switch ( dwRet )
 483     {
 484         case ERROR_INVALID_PARAMETER:
 485             // this was a standard Win32 error probably
 486             return wxString(wxSysErrorMsg(error));
 487
 488         default:
 489             {
 490                 wxLogSysError(dwRet,
 491                       _("Failed to retrieve text of RAS error message"));
 492
 493                 wxString msg;
 494                 msg.Printf(_("unknown error (error code %08x)."), error);
 495                 return msg;
 496             }
 497
 498         case 0:
 499             // we want the error message to start from a lower case letter
 500             buffer[0] = (wxChar)wxTolower(buffer[0]);
 501
 502             return wxString(buffer);
 503     }
 504 }
 505
 506 HRASCONN wxDialUpManagerMSW::FindActiveConnection()
 507 {
 508     // enumerate connections
 509     DWORD cbBuf = sizeof(RASCONN);
 510     LPRASCONN lpRasConn = (LPRASCONN)malloc(cbBuf);
 511     if ( !lpRasConn )
 512     {
 513         // out of memory
 514         return 0;
 515     }
 516
 517     lpRasConn->dwSize = sizeof(RASCONN);
 518
 519     DWORD nConnections = 0;
 520     DWORD dwRet = ERROR_BUFFER_TOO_SMALL;
 521
 522     while ( dwRet == ERROR_BUFFER_TOO_SMALL )
 523     {
 524         dwRet = ms_pfnRasEnumConnections(lpRasConn, &cbBuf, &nConnections);
 525
 526         if ( dwRet == ERROR_BUFFER_TOO_SMALL )
 527         {
 528             LPRASCONN lpRasConnOld = lpRasConn;
 529             lpRasConn = (LPRASCONN)realloc(lpRasConn, cbBuf);
 530             if ( !lpRasConn )
 531             {
 532                 // out of memory
 533                 free(lpRasConnOld);
 534
 535                 return 0;
 536             }
 537         }
 538         else if ( dwRet == 0 )
 539         {
 540             // ok, success
 541             break;
 542         }
 543         else
 544         {
 545             // an error occurred
 546             wxLogError(_("Cannot find active dialup connection: %s"),
 547                        GetErrorString(dwRet).c_str());
 548             return 0;
 549         }
 550     }
 551
 552     HRASCONN hrasconn;
 553
 554     switch ( nConnections )
 555     {
 556         case 0:
 557             // no connections
 558             hrasconn = 0;
 559             break;
 560
 561         default:
 562             // more than 1 connection - we don't know what to do with this
 563             // case, so give a warning but continue (taking the first
 564             // connection) - the warning is really needed because this function
 565             // is used, for example, to select the connection to hang up and so
 566             // we may hang up the wrong connection here...
 567             wxLogWarning(_("Several active dialup connections found, choosing one randomly."));
 568             // fall through
 569
 570         case 1:
 571             // exactly 1 connection, great
 572             hrasconn = lpRasConn->hrasconn;
 573     }
 574
 575     free(lpRasConn);
 576
 577     return hrasconn;
 578 }
 579
 580 void wxDialUpManagerMSW::CleanUpThreadData()
 581 {
 582     if ( m_hThread )
 583     {
 584         if ( !SetEvent(m_data->hEventQuit) )
 585         {
 586             wxLogLastError(wxT("SetEvent(RasThreadQuit)"));
 587         }
 588         else // sent quit request to the background thread
 589         {
 590             // the thread still needs m_data so we can't free it here, rather
 591             // let the thread do it itself
 592             m_data = NULL;
 593         }
 594
 595         CloseHandle(m_hThread);
 596
 597         m_hThread = 0;
 598     }
 599
 600     if ( m_data )
 601     {
 602         delete m_data;
 603         m_data = NULL;
 604     }
 605 }
 606
 607 // ----------------------------------------------------------------------------
 608 // connection status
 609 // ----------------------------------------------------------------------------
 610
 611 void wxDialUpManagerMSW::CheckRasStatus()
 612 {
 613     // use int, not bool to compare with -1
 614     int isConnected = FindActiveConnection() != 0;
 615     if ( isConnected != ms_isConnected )
 616     {
 617         if ( ms_isConnected != -1 )
 618         {
 619             // notify the program
 620             NotifyApp(isConnected != 0);
 621         }
 622         // else: it's the first time we're called, just update the flag
 623
 624         ms_isConnected = isConnected;
 625     }
 626 }
 627
 628 void wxDialUpManagerMSW::NotifyApp(bool connected, bool fromOurselves) const
 629 {
 630     wxDialUpEvent event(connected, fromOurselves);
 631     (void)wxTheApp->ProcessEvent(event);
 632 }
 633
 634 // this function is called whenever the status of any RAS connection on this
 635 // machine changes by RAS itself
 636 void wxDialUpManagerMSW::OnConnectStatusChange()
 637 {
 638     // we know that status changed, but we don't know whether we're connected
 639     // or not - so find it out
 640     CheckRasStatus();
 641 }
 642
 643 // this function is called by our callback which we give to RasDial() when
 644 // calling it asynchronously
 645 void wxDialUpManagerMSW::OnDialProgress(RASCONNSTATE rasconnstate,
 646                                         DWORD dwError)
 647 {
 648     if ( !GetDialer() )
 649     {
 650         // this probably means that CancelDialing() was called and we get
 651         // "disconnected" notification
 652         return;
 653     }
 654
 655     // we're only interested in 2 events: connected and disconnected
 656     if ( dwError )
 657     {
 658         wxLogError(_("Failed to establish dialup connection: %s"),
 659                    GetErrorString(dwError).c_str());
 660
 661         // we should still call RasHangUp() if we got a non 0 connection
 662         if ( ms_hRasConnection )
 663         {
 664             ms_pfnRasHangUp(ms_hRasConnection);
 665             ms_hRasConnection = 0;
 666         }
 667
 668         ms_dialer = NULL;
 669
 670         NotifyApp(false /* !connected */, true /* we dialed ourselves */);
 671     }
 672     else if ( rasconnstate == RASCS_Connected )
 673     {
 674         ms_isConnected = true;
 675         ms_dialer = NULL;
 676
 677         NotifyApp(true /* connected */, true /* we dialed ourselves */);
 678     }
 679 }
 680
 681 // ----------------------------------------------------------------------------
 682 // implementation of wxDialUpManager functions
 683 // ----------------------------------------------------------------------------
 684
 685 bool wxDialUpManagerMSW::IsOk() const
 686 {
 687     return m_dllRas.IsLoaded();
 688 }
 689
 690 size_t wxDialUpManagerMSW::GetISPNames(wxArrayString& names) const
 691 {
 692     // fetch the entries
 693     DWORD size = sizeof(RASENTRYNAME);
 694     RASENTRYNAME *rasEntries = (RASENTRYNAME *)malloc(size);
 695     rasEntries->dwSize = sizeof(RASENTRYNAME);
 696
 697     DWORD nEntries;
 698     DWORD dwRet;
 699     do
 700     {
 701         dwRet = ms_pfnRasEnumEntries
 702                   (
 703                    NULL,                // reserved
 704                    NULL,                // default phone book (or all)
 705                    rasEntries,          // [out] buffer for the entries
 706                    &size,               // [in/out] size of the buffer
 707                    &nEntries            // [out] number of entries fetched
 708                   );
 709
 710         if ( dwRet == ERROR_BUFFER_TOO_SMALL )
 711         {
 712             // reallocate the buffer
 713             void *n  = realloc(rasEntries, size);
 714             if (n == NULL)
 715             {
 716                 free(rasEntries);
 717                 return 0;
 718             }
 719             rasEntries = (RASENTRYNAME *)n;
 720         }
 721         else if ( dwRet != 0 )
 722         {
 723             // some other error - abort
 724             wxLogError(_("Failed to get ISP names: %s"),
 725                        GetErrorString(dwRet).c_str());
 726
 727             free(rasEntries);
 728
 729             return 0u;
 730         }
 731     }
 732     while ( dwRet != 0 );
 733
 734     // process them
 735     names.Empty();
 736     for ( size_t n = 0; n < (size_t)nEntries; n++ )
 737     {
 738         names.Add(rasEntries[n].szEntryName);
 739     }
 740
 741     free(rasEntries);
 742
 743     // return the number of entries
 744     return names.GetCount();
 745 }
 746
 747 bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP,
 748                               const wxString& username,
 749                               const wxString& password,
 750                               bool async)
 751 {
 752     // check preconditions
 753     wxCHECK_MSG( IsOk(), false, wxT("using uninitialized wxDialUpManager") );
 754
 755     if ( ms_hRasConnection )
 756     {
 757         wxFAIL_MSG(wxT("there is already an active connection"));
 758
 759         return true;
 760     }
 761
 762     // get the default ISP if none given
 763     wxString entryName(nameOfISP);
 764     if ( !entryName )
 765     {
 766         wxArrayString names;
 767         size_t count = GetISPNames(names);
 768         switch ( count )
 769         {
 770             case 0:
 771                 // no known ISPs, abort
 772                 wxLogError(_("Failed to connect: no ISP to dial."));
 773
 774                 return false;
 775
 776             case 1:
 777                 // only one ISP, choose it
 778                 entryName = names[0u];
 779                 break;
 780
 781             default:
 782                 // several ISPs, let the user choose
 783                 {
 784                     wxString *strings = new wxString[count];
 785                     for ( size_t i = 0; i < count; i++ )
 786                     {
 787                         strings[i] = names[i];
 788                     }
 789
 790                     entryName = wxGetSingleChoice
 791                                 (
 792                                  _("Choose ISP to dial"),
 793                                  _("Please choose which ISP do you want to connect to"),
 794                                  count,
 795                                  strings
 796                                 );
 797
 798                     delete [] strings;
 799
 800                     if ( !entryName )
 801                     {
 802                         // cancelled by user
 803                         return false;
 804                     }
 805                 }
 806         }
 807     }
 808
 809     RASDIALPARAMS rasDialParams;
 810     rasDialParams.dwSize = sizeof(rasDialParams);
 811     wxStrlcpy(rasDialParams.szEntryName, entryName.c_str(), RAS_MaxEntryName);
 812
 813     // do we have the username and password?
 814     if ( !username || !password )
 815     {
 816         BOOL gotPassword;
 817         DWORD dwRet = ms_pfnRasGetEntryDialParams
 818                       (
 819                        NULL,            // default phonebook
 820                        &rasDialParams,  // [in/out] the params of this entry
 821                        &gotPassword     // [out] did we get password?
 822                       );
 823
 824         if ( dwRet != 0 )
 825         {
 826             wxLogError(_("Failed to connect: missing username/password."));
 827
 828             return false;
 829         }
 830     }
 831     else
 832     {
 833         wxStrlcpy(rasDialParams.szUserName, username.c_str(), UNLEN);
 834         wxStrlcpy(rasDialParams.szPassword, password.c_str(), PWLEN);
 835     }
 836
 837     // default values for other fields
 838     rasDialParams.szPhoneNumber[0] = '\0';
 839     rasDialParams.szCallbackNumber[0] = '\0';
 840     rasDialParams.szCallbackNumber[0] = '\0';
 841
 842     rasDialParams.szDomain[0] = '*';
 843     rasDialParams.szDomain[1] = '\0';
 844
 845     // apparently, this is not really necessary - passing NULL instead of the
 846     // phone book has the same effect
 847 #if 0
 848     wxString phoneBook;
 849     if ( wxGetOsVersion() == wxWINDOWS_NT )
 850     {
 851         // first get the length
 852         UINT nLen = ::GetSystemDirectory(NULL, 0);
 853         nLen++;
 854
 855         if ( !::GetSystemDirectory(phoneBook.GetWriteBuf(nLen), nLen) )
 856         {
 857             wxLogSysError(_("Cannot find the location of address book file"));
 858         }
 859
 860         phoneBook.UngetWriteBuf();
 861
 862         // this is the default phone book
 863         phoneBook << "\\ras\\rasphone.pbk";
 864     }
 865 #endif // 0
 866
 867     // TODO may be we should disable auto check while async dialing is in
 868     //      progress?
 869
 870     ms_dialer = this;
 871
 872     DWORD dwRet = ms_pfnRasDial
 873                   (
 874                    NULL,                    // no extended features
 875                    NULL,                    // default phone book file (NT only)
 876                    &rasDialParams,
 877                    0,                       // use callback for notifications
 878                    async ? (void *)wxRasDialFunc  // cast needed for gcc 3.1
 879                          : 0,               // no notifications, sync operation
 880                    &ms_hRasConnection
 881                   );
 882
 883     if ( dwRet != 0 )
 884     {
 885         // can't pass a wxWCharBuffer through ( ... )
 886         if ( async )
 887         {
 888             wxLogError(_("Failed to initiate dialup connection: %s"),
 889                        GetErrorString(dwRet).c_str());
 890         }
 891         else
 892         {
 893             wxLogError(_("Failed to establish dialup connection: %s"),
 894                        GetErrorString(dwRet).c_str());
 895         }
 896
 897         // we should still call RasHangUp() if we got a non 0 connection
 898         if ( ms_hRasConnection )
 899         {
 900             ms_pfnRasHangUp(ms_hRasConnection);
 901             ms_hRasConnection = 0;
 902         }
 903
 904         ms_dialer = NULL;
 905
 906         return false;
 907     }
 908
 909     // for async dialing, we're not yet connected
 910     if ( !async )
 911     {
 912         ms_isConnected = true;
 913     }
 914
 915     return true;
 916 }
 917
 918 bool wxDialUpManagerMSW::IsDialing() const
 919 {
 920     return GetDialer() != NULL;
 921 }
 922
 923 bool wxDialUpManagerMSW::CancelDialing()
 924 {
 925     if ( !GetDialer() )
 926     {
 927         // silently ignore
 928         return false;
 929     }
 930
 931     wxASSERT_MSG( ms_hRasConnection, wxT("dialing but no connection?") );
 932
 933     ms_dialer = NULL;
 934
 935     return HangUp();
 936 }
 937
 938 bool wxDialUpManagerMSW::HangUp()
 939 {
 940     wxCHECK_MSG( IsOk(), false, wxT("using uninitialized wxDialUpManager") );
 941
 942     // we may terminate either the connection we initiated or another one which
 943     // is active now
 944     HRASCONN hRasConn;
 945     if ( ms_hRasConnection )
 946     {
 947         hRasConn = ms_hRasConnection;
 948
 949         ms_hRasConnection = 0;
 950     }
 951     else
 952     {
 953         hRasConn = FindActiveConnection();
 954     }
 955
 956     if ( !hRasConn )
 957     {
 958         wxLogError(_("Cannot hang up - no active dialup connection."));
 959
 960         return false;
 961     }
 962
 963     // note that it's not an error if the connection had been already
 964     // terminated
 965     const DWORD dwRet = ms_pfnRasHangUp(hRasConn);
 966     if ( dwRet != 0 && dwRet != ERROR_NO_CONNECTION )
 967     {
 968         wxLogError(_("Failed to terminate the dialup connection: %s"),
 969                    GetErrorString(dwRet).c_str());
 970     }
 971
 972     ms_isConnected = false;
 973
 974     return true;
 975 }
 976
 977 bool wxDialUpManagerMSW::IsAlwaysOnline() const
 978 {
 979     // assume no permanent connection by default
 980     bool isAlwaysOnline = false;
 981
 982     // try to use WinInet functions
 983
 984     // NB: we could probably use wxDynamicLibrary here just as well,
 985     //     but we allow multiple instances of wxDialUpManagerMSW so
 986     //     we might as well use the ref counted version here too.
 987
 988     wxDynamicLibrary hDll(wxT("WININET"));
 989     if ( hDll.IsLoaded() )
 990     {
 991         typedef BOOL (WINAPI *INTERNETGETCONNECTEDSTATE)(LPDWORD, DWORD);
 992         INTERNETGETCONNECTEDSTATE pfnInternetGetConnectedState;
 993
 994         #define RESOLVE_FUNCTION(type, name) \
 995             pfn##name = (type)hDll.GetSymbol(wxT(#name))
 996
 997         RESOLVE_FUNCTION(INTERNETGETCONNECTEDSTATE, InternetGetConnectedState);
 998
 999         if ( pfnInternetGetConnectedState )
1000         {
1001             DWORD flags = 0;
1002             if ( pfnInternetGetConnectedState(&flags, 0 /* reserved */) )
1003             {
1004                 // there is some connection to the net, see of which type
1005                 isAlwaysOnline = (flags & (INTERNET_CONNECTION_LAN |
1006                                            INTERNET_CONNECTION_PROXY)) != 0;
1007             }
1008             //else: no Internet connection at all
1009         }
1010     }
1011
1012     return isAlwaysOnline;
1013 }
1014
1015 bool wxDialUpManagerMSW::IsOnline() const
1016 {
1017     wxCHECK_MSG( IsOk(), false, wxT("using uninitialized wxDialUpManager") );
1018
1019     if ( IsAlwaysOnline() )
1020     {
1021         // always => now
1022         return true;
1023     }
1024
1025     if ( ms_userSpecifiedOnlineStatus != -1 )
1026     {
1027         // user specified flag overrides our logic
1028         return ms_userSpecifiedOnlineStatus != 0;
1029     }
1030     else
1031     {
1032         // return true if there is at least one active connection
1033         return FindActiveConnection() != 0;
1034     }
1035 }
1036
1037 void wxDialUpManagerMSW::SetOnlineStatus(bool isOnline)
1038 {
1039     wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") );
1040
1041     ms_userSpecifiedOnlineStatus = isOnline;
1042 }
1043
1044 bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
1045 {
1046     wxCHECK_MSG( IsOk(), false, wxT("using uninitialized wxDialUpManager") );
1047
1048     if ( m_autoCheckLevel++ )
1049     {
1050         // already checking
1051         return true;
1052     }
1053
1054     bool ok = ms_pfnRasConnectionNotification != 0;
1055
1056     if ( ok )
1057     {
1058         // we're running under NT 4.0, Windows 98 or later and can use
1059         // RasConnectionNotification() to be notified by a secondary thread
1060
1061         // first, see if we don't have this thread already running
1062         if ( m_hThread != 0 )
1063         {
1064             if ( ::ResumeThread(m_hThread) != (DWORD)-1 )
1065                 return true;
1066
1067             // we're leaving a zombie thread... but what else can we do?
1068             wxLogLastError(wxT("ResumeThread(RasThread)"));
1069
1070             ok = false;
1071         }
1072     }
1073
1074     // create all the stuff we need to be notified about RAS connection
1075     // status change
1076
1077     if ( ok )
1078     {
1079         // first create an event to wait on
1080         m_data->hEventRas = ::CreateEvent
1081                             (
1082                              NULL,      // security attribute (default)
1083                              FALSE,     // manual reset (no, it is automatic)
1084                              FALSE,     // initial state (not signaled)
1085                              NULL       // name (no)
1086                             );
1087         if ( !m_data->hEventRas )
1088         {
1089             wxLogLastError(wxT("CreateEvent(RasStatus)"));
1090
1091             ok = false;
1092         }
1093     }
1094
1095     if ( ok )
1096     {
1097         // create the event we use to quit the thread: using a manual event
1098         // here avoids problems with missing the event if wxDialUpManagerMSW
1099         // is created and destroyed immediately, before wxRasStatusWindowProc
1100         // starts waiting on the event
1101         m_data->hEventQuit = ::CreateEvent
1102                              (
1103                                 NULL,   // default security
1104                                 TRUE,   // manual event
1105                                 FALSE,  // initially non signalled
1106                                 NULL    // nameless
1107                              );
1108         if ( !m_data->hEventQuit )
1109         {
1110             wxLogLastError(wxT("CreateEvent(RasThreadQuit)"));
1111
1112             CleanUpThreadData();
1113
1114             ok = false;
1115         }
1116     }
1117
1118     if ( ok && !ms_hwndRas )
1119     {
1120         // create a hidden window to receive notification about connections
1121         // status change
1122         ms_hwndRas = wxCreateHiddenWindow
1123                      (
1124                         &gs_classForDialUpWindow,
1125                         wxMSWDIALUP_WNDCLASSNAME,
1126                         wxRasStatusWindowProc
1127                      );
1128         if ( !ms_hwndRas )
1129         {
1130             wxLogLastError(wxT("CreateWindow(RasHiddenWindow)"));
1131
1132             CleanUpThreadData();
1133
1134             ok = false;
1135         }
1136     }
1137
1138     m_data->hWnd = ms_hwndRas;
1139
1140     if ( ok )
1141     {
1142         // start the secondary thread
1143         m_data->dialUpManager = this;
1144
1145         DWORD tid;
1146         m_hThread = CreateThread
1147                     (
1148                      NULL,
1149                      0,
1150                      (LPTHREAD_START_ROUTINE)wxRasMonitorThread,
1151                      (void *)m_data,
1152                      0,
1153                      &tid
1154                     );
1155
1156         if ( !m_hThread )
1157         {
1158             wxLogLastError(wxT("CreateThread(RasStatusThread)"));
1159
1160             CleanUpThreadData();
1161         }
1162     }
1163
1164     if ( ok )
1165     {
1166         // start receiving RAS notifications
1167         DWORD dwRet = ms_pfnRasConnectionNotification
1168                       (
1169                         (HRASCONN)INVALID_HANDLE_VALUE,
1170                         m_data->hEventRas,
1171                         3 /* RASCN_Connection | RASCN_Disconnection */
1172                       );
1173
1174         if ( dwRet != 0 )
1175         {
1176             wxLogDebug(wxT("RasConnectionNotification() failed: %s"),
1177                        GetErrorString(dwRet).c_str());
1178
1179             CleanUpThreadData();
1180         }
1181         else
1182         {
1183             return true;
1184         }
1185     }
1186
1187     // we're running under Windows 95 and have to poll ourselves
1188     // (or, alternatively, the code above for NT/98 failed)
1189     m_timerStatusPolling.Stop();
1190     if ( nSeconds == 0 )
1191     {
1192         // default value
1193         nSeconds = 60;
1194     }
1195     m_timerStatusPolling.Start(nSeconds * 1000);
1196
1197     return true;
1198 }
1199
1200 void wxDialUpManagerMSW::DisableAutoCheckOnlineStatus()
1201 {
1202     wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") );
1203
1204     if ( --m_autoCheckLevel != 0 )
1205     {
1206         // still checking
1207         return;
1208     }
1209
1210     if ( m_hThread )
1211     {
1212         // we have running secondary thread, it's just enough to suspend it
1213         if ( SuspendThread(m_hThread) == (DWORD)-1 )
1214         {
1215             wxLogLastError(wxT("SuspendThread(RasThread)"));
1216         }
1217     }
1218     else
1219     {
1220         // even simpler - just stop the timer
1221         m_timerStatusPolling.Stop();
1222     }
1223 }
1224
1225 // ----------------------------------------------------------------------------
1226 // stubs which don't do anything in MSW version
1227 // ----------------------------------------------------------------------------
1228
1229 void wxDialUpManagerMSW::SetWellKnownHost(const wxString& WXUNUSED(hostname),
1230                                           int WXUNUSED(port))
1231 {
1232     wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") );
1233
1234     // nothing to do - we don't use this
1235 }
1236
1237 void wxDialUpManagerMSW::SetConnectCommand(const wxString& WXUNUSED(dial),
1238                                            const wxString& WXUNUSED(hangup))
1239 {
1240     wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") );
1241
1242     // nothing to do - we don't use this
1243 }
1244
1245 // ----------------------------------------------------------------------------
1246 // callbacks
1247 // ----------------------------------------------------------------------------
1248
1249 static DWORD wxRasMonitorThread(wxRasThreadData *data)
1250 {
1251     HANDLE handles[2];
1252     handles[0] = data->hEventRas;
1253     handles[1] = data->hEventQuit;
1254
1255     bool cont = true;
1256     while ( cont )
1257     {
1258         DWORD dwRet = ::WaitForMultipleObjects(2, handles, FALSE, INFINITE);
1259
1260         switch ( dwRet )
1261         {
1262             case WAIT_OBJECT_0:
1263                 // RAS connection status changed
1264                 SendMessage(data->hWnd, wxWM_RAS_STATUS_CHANGED,
1265                             0, (LPARAM)data);
1266                 break;
1267
1268             case WAIT_OBJECT_0 + 1:
1269                 cont = false;
1270                 break;
1271
1272             default:
1273                 wxFAIL_MSG( wxT("unexpected return of WaitForMultipleObjects()") );
1274                 // fall through
1275
1276             case WAIT_FAILED:
1277                 // using wxLogLastError() from here is dangerous: we risk to
1278                 // deadlock the main thread if wxLog sends output to GUI
1279                 DWORD err = GetLastError();
1280                 wxMessageOutputDebug dbg;
1281                 dbg.Printf
1282                 (
1283                     wxT("WaitForMultipleObjects(RasMonitor) failed: 0x%08lx (%s)"),
1284                     err,
1285                     wxSysErrorMsg(err)
1286                 );
1287
1288                 // no sense in continuing, who knows if the handles we're
1289                 // waiting for even exist yet...
1290                 return (DWORD)-1;
1291         }
1292     }
1293
1294     // we don't need it any more now and if this thread ran, it is our
1295     // responsability to free the data
1296     delete data;
1297
1298     return 0;
1299 }
1300
1301 static LRESULT APIENTRY wxRasStatusWindowProc(HWND hWnd, UINT message,
1302                                               WPARAM wParam, LPARAM lParam)
1303 {
1304     switch ( message )
1305     {
1306         case wxWM_RAS_STATUS_CHANGED:
1307             {
1308                 wxRasThreadData *data = (wxRasThreadData *)lParam;
1309                 data->dialUpManager->OnConnectStatusChange();
1310             }
1311             break;
1312
1313         case wxWM_RAS_DIALING_PROGRESS:
1314             {
1315                 wxDialUpManagerMSW *dialMan = wxDialUpManagerMSW::GetDialer();
1316
1317                 dialMan->OnDialProgress((RASCONNSTATE)wParam, lParam);
1318             }
1319             break;
1320
1321         default:
1322             return ::DefWindowProc(hWnd, message, wParam, lParam);
1323     }
1324
1325     return 0;
1326 }
1327
1328 static void WINAPI wxRasDialFunc(UINT WXUNUSED(unMsg),
1329                                  RASCONNSTATE rasconnstate,
1330                                  DWORD dwError)
1331 {
1332     wxDialUpManagerMSW *dialUpManager = wxDialUpManagerMSW::GetDialer();
1333
1334     wxCHECK_RET( dialUpManager, wxT("who started to dial then?") );
1335
1336     SendMessage(wxDialUpManagerMSW::GetRasWindow(), wxWM_RAS_DIALING_PROGRESS,
1337                 rasconnstate, dwError);
1338 }
1339
1340 #endif // __BORLANDC__
1341
1342 #endif // wxUSE_DIALUP_MANAGER