src/msw/dialup.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 // these functions require Win32
  28 #if defined(__WIN16__) && wxUSE_DIALUP_MANAGER
  29     #undef wxUSE_DIALUP_MANAGER
  30     #define wxUSE_DIALUP_MANAGER 0
  31 #endif // wxUSE_DIALUP_MANAGER && Win16
  32
  33 #if wxUSE_DIALUP_MANAGER
  34
  35 #ifndef WX_PRECOMP
  36     #include "wx/log.h"
  37     #include "wx/intl.h"
  38     #include "wx/event.h"
  39 #endif
  40
  41 #include "wx/timer.h"
  42 #include "wx/app.h"
  43 #include "wx/generic/choicdgg.h"
  44
  45 #include "wx/msw/private.h"  // must be before #include "dynlib.h"
  46
  47 #if !wxUSE_DYNLIB_CLASS
  48     #error You need wxUSE_DYNLIB_CLASS to be 1 to compile dialup.cpp.
  49 #endif
  50
  51 #include "wx/dynlib.h"
  52
  53 #include "wx/dialup.h"
  54
  55 DEFINE_EVENT_TYPE(wxEVT_DIALUP_CONNECTED)
  56 DEFINE_EVENT_TYPE(wxEVT_DIALUP_DISCONNECTED)
  57
  58 // Doesn't yet compile under VC++ 4, BC++, Watcom C++: no wininet.h
  59 #if !defined(__BORLANDC__) && \
  60     (!defined(__GNUWIN32__) || wxCHECK_W32API_VERSION(0, 5)) && \
  61     !defined(__GNUWIN32_OLD__) && \
  62     !defined(__WATCOMC__) && \
  63     (!defined(__VISUALC__) || (__VISUALC__ >= 1020))
  64
  65 #include <ras.h>
  66 #include <raserror.h>
  67
  68 #include <wininet.h>
  69
  70 // Not in VC++ 5
  71 #ifndef INTERNET_CONNECTION_LAN
  72 #define INTERNET_CONNECTION_LAN 2
  73 #endif
  74 #ifndef INTERNET_CONNECTION_PROXY
  75 #define INTERNET_CONNECTION_PROXY 4
  76 #endif
  77
  78 // ----------------------------------------------------------------------------
  79 // constants
  80 // ----------------------------------------------------------------------------
  81
  82 // this message is sent by the secondary thread when RAS status changes
  83 #define wxWM_RAS_STATUS_CHANGED (WM_USER + 10010)
  84 #define wxWM_RAS_DIALING_PROGRESS (WM_USER + 10011)
  85
  86 // ----------------------------------------------------------------------------
  87 // types
  88 // ----------------------------------------------------------------------------
  89
  90 // the signatures of RAS functions: all this is quite heavy, but we must do it
  91 // to allow running wxWin programs on machine which don't have RAS installed
  92 // (this does exist) - if we link with rasapi32.lib, the program will fail on
  93 // startup because of the missing DLL...
  94
  95 #ifndef UNICODE
  96     typedef DWORD (APIENTRY * RASDIAL)( LPRASDIALEXTENSIONS, LPCSTR, LPRASDIALPARAMSA, DWORD, LPVOID, LPHRASCONN );
  97     typedef DWORD (APIENTRY * RASENUMCONNECTIONS)( LPRASCONNA, LPDWORD, LPDWORD );
  98     typedef DWORD (APIENTRY * RASENUMENTRIES)( LPCSTR, LPCSTR, LPRASENTRYNAMEA, LPDWORD, LPDWORD );
  99     typedef DWORD (APIENTRY * RASGETCONNECTSTATUS)( HRASCONN, LPRASCONNSTATUSA );
 100     typedef DWORD (APIENTRY * RASGETERRORSTRING)( UINT, LPSTR, DWORD );
 101     typedef DWORD (APIENTRY * RASHANGUP)( HRASCONN );
 102     typedef DWORD (APIENTRY * RASGETPROJECTIONINFO)( HRASCONN, RASPROJECTION, LPVOID, LPDWORD );
 103     typedef DWORD (APIENTRY * RASCREATEPHONEBOOKENTRY)( HWND, LPCSTR );
 104     typedef DWORD (APIENTRY * RASEDITPHONEBOOKENTRY)( HWND, LPCSTR, LPCSTR );
 105     typedef DWORD (APIENTRY * RASSETENTRYDIALPARAMS)( LPCSTR, LPRASDIALPARAMSA, BOOL );
 106     typedef DWORD (APIENTRY * RASGETENTRYDIALPARAMS)( LPCSTR, LPRASDIALPARAMSA, LPBOOL );
 107     typedef DWORD (APIENTRY * RASENUMDEVICES)( LPRASDEVINFOA, LPDWORD, LPDWORD );
 108     typedef DWORD (APIENTRY * RASGETCOUNTRYINFO)( LPRASCTRYINFOA, LPDWORD );
 109     typedef DWORD (APIENTRY * RASGETENTRYPROPERTIES)( LPCSTR, LPCSTR, LPRASENTRYA, LPDWORD, LPBYTE, LPDWORD );
 110     typedef DWORD (APIENTRY * RASSETENTRYPROPERTIES)( LPCSTR, LPCSTR, LPRASENTRYA, DWORD, LPBYTE, DWORD );
 111     typedef DWORD (APIENTRY * RASRENAMEENTRY)( LPCSTR, LPCSTR, LPCSTR );
 112     typedef DWORD (APIENTRY * RASDELETEENTRY)( LPCSTR, LPCSTR );
 113     typedef DWORD (APIENTRY * RASVALIDATEENTRYNAME)( LPCSTR, LPCSTR );
 114     typedef DWORD (APIENTRY * RASCONNECTIONNOTIFICATION)( HRASCONN, HANDLE, DWORD );
 115
 116     static const wxChar gs_funcSuffix = _T('A');
 117 #else // Unicode
 118     typedef DWORD (APIENTRY * RASDIAL)( LPRASDIALEXTENSIONS, LPCWSTR, LPRASDIALPARAMSW, DWORD, LPVOID, LPHRASCONN );
 119     typedef DWORD (APIENTRY * RASENUMCONNECTIONS)( LPRASCONNW, LPDWORD, LPDWORD );
 120     typedef DWORD (APIENTRY * RASENUMENTRIES)( LPCWSTR, LPCWSTR, LPRASENTRYNAMEW, LPDWORD, LPDWORD );
 121     typedef DWORD (APIENTRY * RASGETCONNECTSTATUS)( HRASCONN, LPRASCONNSTATUSW );
 122     typedef DWORD (APIENTRY * RASGETERRORSTRING)( UINT, LPWSTR, DWORD );
 123     typedef DWORD (APIENTRY * RASHANGUP)( HRASCONN );
 124     typedef DWORD (APIENTRY * RASGETPROJECTIONINFO)( HRASCONN, RASPROJECTION, LPVOID, LPDWORD );
 125     typedef DWORD (APIENTRY * RASCREATEPHONEBOOKENTRY)( HWND, LPCWSTR );
 126     typedef DWORD (APIENTRY * RASEDITPHONEBOOKENTRY)( HWND, LPCWSTR, LPCWSTR );
 127     typedef DWORD (APIENTRY * RASSETENTRYDIALPARAMS)( LPCWSTR, LPRASDIALPARAMSW, BOOL );
 128     typedef DWORD (APIENTRY * RASGETENTRYDIALPARAMS)( LPCWSTR, LPRASDIALPARAMSW, LPBOOL );
 129     typedef DWORD (APIENTRY * RASENUMDEVICES)( LPRASDEVINFOW, LPDWORD, LPDWORD );
 130     typedef DWORD (APIENTRY * RASGETCOUNTRYINFO)( LPRASCTRYINFOW, LPDWORD );
 131     typedef DWORD (APIENTRY * RASGETENTRYPROPERTIES)( LPCWSTR, LPCWSTR, LPRASENTRYW, LPDWORD, LPBYTE, LPDWORD );
 132     typedef DWORD (APIENTRY * RASSETENTRYPROPERTIES)( LPCWSTR, LPCWSTR, LPRASENTRYW, DWORD, LPBYTE, DWORD );
 133     typedef DWORD (APIENTRY * RASRENAMEENTRY)( LPCWSTR, LPCWSTR, LPCWSTR );
 134     typedef DWORD (APIENTRY * RASDELETEENTRY)( LPCWSTR, LPCWSTR );
 135     typedef DWORD (APIENTRY * RASVALIDATEENTRYNAME)( LPCWSTR, LPCWSTR );
 136     typedef DWORD (APIENTRY * RASCONNECTIONNOTIFICATION)( HRASCONN, HANDLE, DWORD );
 137
 138     static const wxChar gs_funcSuffix = _T('W');
 139 #endif // ASCII/Unicode
 140
 141 // structure passed to the secondary thread
 142 struct WXDLLEXPORT wxRasThreadData
 143 {
 144     wxRasThreadData()
 145     {
 146         hWnd = 0;
 147         hEventRas = hEventQuit = INVALID_HANDLE_VALUE;
 148         dialUpManager = NULL;
 149     }
 150
 151     HWND    hWnd;       // window to send notifications to
 152     HANDLE  hEventRas,  // event which RAS signals when status changes
 153             hEventQuit; // event which we signal when we terminate
 154
 155     class WXDLLEXPORT wxDialUpManagerMSW *dialUpManager;  // the owner
 156 };
 157
 158 // ----------------------------------------------------------------------------
 159 // wxDialUpManager class for MSW
 160 // ----------------------------------------------------------------------------
 161
 162 class WXDLLEXPORT wxDialUpManagerMSW : public wxDialUpManager
 163 {
 164 public:
 165     // ctor & dtor
 166     wxDialUpManagerMSW();
 167     virtual ~wxDialUpManagerMSW();
 168
 169     // implement base class pure virtuals
 170     virtual bool IsOk() const;
 171     virtual size_t GetISPNames(wxArrayString& names) const;
 172     virtual bool Dial(const wxString& nameOfISP,
 173                       const wxString& username,
 174                       const wxString& password,
 175                       bool async);
 176     virtual bool IsDialing() const;
 177     virtual bool CancelDialing();
 178     virtual bool HangUp();
 179     virtual bool IsAlwaysOnline() const;
 180     virtual bool IsOnline() const;
 181     virtual void SetOnlineStatus(bool isOnline = TRUE);
 182     virtual bool EnableAutoCheckOnlineStatus(size_t nSeconds);
 183     virtual void DisableAutoCheckOnlineStatus();
 184     virtual void SetWellKnownHost(const wxString& hostname, int port);
 185     virtual void SetConnectCommand(const wxString& commandDial,
 186                                    const wxString& commandHangup);
 187
 188     // for RasTimer
 189     void CheckRasStatus();
 190
 191     // for wxRasStatusWindowProc
 192     void OnConnectStatusChange();
 193     void OnDialProgress(RASCONNSTATE rasconnstate, DWORD dwError);
 194
 195     // for wxRasDialFunc
 196     static HWND GetRasWindow() { return ms_hwndRas; }
 197     static wxDialUpManagerMSW *GetDialer() { return ms_dialer; }
 198
 199 private:
 200     // return the error string for the given RAS error code
 201     static wxString GetErrorString(DWORD error);
 202
 203     // find the (first) handle of the active connection
 204     static HRASCONN FindActiveConnection();
 205
 206     // notify the application about status change
 207     void NotifyApp(bool connected, bool fromOurselves = FALSE) const;
 208
 209     // destroy the thread data and the thread itself
 210     void CleanUpThreadData();
 211
 212     // timer used for polling RAS status
 213     class WXDLLEXPORT RasTimer : public wxTimer
 214     {
 215     public:
 216         RasTimer(wxDialUpManagerMSW *dialUpManager)
 217             { m_dialUpManager = dialUpManager; }
 218
 219         virtual void Notify() { m_dialUpManager->CheckRasStatus(); }
 220
 221     private:
 222         wxDialUpManagerMSW *m_dialUpManager;
 223     } m_timerStatusPolling;
 224
 225     // thread handle for the thread sitting on connection change event
 226     HANDLE m_hThread;
 227
 228     // data used by this thread and our hidden window to send messages between
 229     // each other
 230     wxRasThreadData m_data;
 231
 232     // the hidden window we use for passing messages between threads
 233     static HWND ms_hwndRas;
 234
 235     // the handle of the connection we initiated or 0 if none
 236     static HRASCONN ms_hRasConnection;
 237
 238     // the use count of rasapi32.dll
 239     static int ms_nDllCount;
 240
 241     // the handle of rasapi32.dll when it's loaded
 242     static wxDllType ms_dllRas;
 243
 244     // the pointers to RAS functions
 245     static RASDIAL ms_pfnRasDial;
 246     static RASENUMCONNECTIONS ms_pfnRasEnumConnections;
 247     static RASENUMENTRIES ms_pfnRasEnumEntries;
 248     static RASGETCONNECTSTATUS ms_pfnRasGetConnectStatus;
 249     static RASGETERRORSTRING ms_pfnRasGetErrorString;
 250     static RASHANGUP ms_pfnRasHangUp;
 251     static RASGETPROJECTIONINFO ms_pfnRasGetProjectionInfo;
 252     static RASCREATEPHONEBOOKENTRY ms_pfnRasCreatePhonebookEntry;
 253     static RASEDITPHONEBOOKENTRY ms_pfnRasEditPhonebookEntry;
 254     static RASSETENTRYDIALPARAMS ms_pfnRasSetEntryDialParams;
 255     static RASGETENTRYDIALPARAMS ms_pfnRasGetEntryDialParams;
 256     static RASENUMDEVICES ms_pfnRasEnumDevices;
 257     static RASGETCOUNTRYINFO ms_pfnRasGetCountryInfo;
 258     static RASGETENTRYPROPERTIES ms_pfnRasGetEntryProperties;
 259     static RASSETENTRYPROPERTIES ms_pfnRasSetEntryProperties;
 260     static RASRENAMEENTRY ms_pfnRasRenameEntry;
 261     static RASDELETEENTRY ms_pfnRasDeleteEntry;
 262     static RASVALIDATEENTRYNAME ms_pfnRasValidateEntryName;
 263
 264     // this function is not supported by Win95
 265     static RASCONNECTIONNOTIFICATION ms_pfnRasConnectionNotification;
 266
 267     // if this flag is different from -1, it overrides IsOnline()
 268     static int ms_userSpecifiedOnlineStatus;
 269
 270     // this flag tells us if we're online
 271     static int ms_isConnected;
 272
 273     // this flag is the result of the call to IsAlwaysOnline() (-1 if not
 274     // called yet)
 275     static int ms_isAlwaysOnline;
 276
 277     // this flag tells us whether a call to RasDial() is in progress
 278     static wxDialUpManagerMSW *ms_dialer;
 279 };
 280
 281 // ----------------------------------------------------------------------------
 282 // private functions
 283 // ----------------------------------------------------------------------------
 284
 285 static LRESULT WINAPI wxRasStatusWindowProc(HWND hWnd, UINT message,
 286                                             WPARAM wParam, LPARAM lParam);
 287
 288 static DWORD wxRasMonitorThread(wxRasThreadData *data);
 289
 290 static void WINAPI wxRasDialFunc(UINT unMsg,
 291                                  RASCONNSTATE rasconnstate,
 292                                  DWORD dwError);
 293
 294 // ============================================================================
 295 // implementation
 296 // ============================================================================
 297
 298 // ----------------------------------------------------------------------------
 299 // init the static variables
 300 // ----------------------------------------------------------------------------
 301
 302 HRASCONN wxDialUpManagerMSW::ms_hRasConnection = 0;
 303
 304 HWND wxDialUpManagerMSW::ms_hwndRas = 0;
 305
 306 int wxDialUpManagerMSW::ms_nDllCount = 0;
 307 wxDllType wxDialUpManagerMSW::ms_dllRas = 0;
 308
 309 RASDIAL wxDialUpManagerMSW::ms_pfnRasDial = 0;
 310 RASENUMCONNECTIONS wxDialUpManagerMSW::ms_pfnRasEnumConnections = 0;
 311 RASENUMENTRIES wxDialUpManagerMSW::ms_pfnRasEnumEntries = 0;
 312 RASGETCONNECTSTATUS wxDialUpManagerMSW::ms_pfnRasGetConnectStatus = 0;
 313 RASGETERRORSTRING wxDialUpManagerMSW::ms_pfnRasGetErrorString = 0;
 314 RASHANGUP wxDialUpManagerMSW::ms_pfnRasHangUp = 0;
 315 RASGETPROJECTIONINFO wxDialUpManagerMSW::ms_pfnRasGetProjectionInfo = 0;
 316 RASCREATEPHONEBOOKENTRY wxDialUpManagerMSW::ms_pfnRasCreatePhonebookEntry = 0;
 317 RASEDITPHONEBOOKENTRY wxDialUpManagerMSW::ms_pfnRasEditPhonebookEntry = 0;
 318 RASSETENTRYDIALPARAMS wxDialUpManagerMSW::ms_pfnRasSetEntryDialParams = 0;
 319 RASGETENTRYDIALPARAMS wxDialUpManagerMSW::ms_pfnRasGetEntryDialParams = 0;
 320 RASENUMDEVICES wxDialUpManagerMSW::ms_pfnRasEnumDevices = 0;
 321 RASGETCOUNTRYINFO wxDialUpManagerMSW::ms_pfnRasGetCountryInfo = 0;
 322 RASGETENTRYPROPERTIES wxDialUpManagerMSW::ms_pfnRasGetEntryProperties = 0;
 323 RASSETENTRYPROPERTIES wxDialUpManagerMSW::ms_pfnRasSetEntryProperties = 0;
 324 RASRENAMEENTRY wxDialUpManagerMSW::ms_pfnRasRenameEntry = 0;
 325 RASDELETEENTRY wxDialUpManagerMSW::ms_pfnRasDeleteEntry = 0;
 326 RASVALIDATEENTRYNAME wxDialUpManagerMSW::ms_pfnRasValidateEntryName = 0;
 327 RASCONNECTIONNOTIFICATION wxDialUpManagerMSW::ms_pfnRasConnectionNotification = 0;
 328
 329 int wxDialUpManagerMSW::ms_userSpecifiedOnlineStatus = -1;
 330 int wxDialUpManagerMSW::ms_isConnected = -1;
 331 int wxDialUpManagerMSW::ms_isAlwaysOnline = -1;
 332 wxDialUpManagerMSW *wxDialUpManagerMSW::ms_dialer = NULL;
 333
 334 // ----------------------------------------------------------------------------
 335 // ctor and dtor: the dynamic linking happens here
 336 // ----------------------------------------------------------------------------
 337
 338 // the static creator function is implemented here
 339 wxDialUpManager *wxDialUpManager::Create()
 340 {
 341     return new wxDialUpManagerMSW;
 342 }
 343
 344 #ifdef __VISUALC__
 345     // warning about "'this' : used in base member initializer list" - so what?
 346     #pragma warning(disable:4355)
 347 #endif // VC++
 348
 349 wxDialUpManagerMSW::wxDialUpManagerMSW()
 350                   : m_timerStatusPolling(this)
 351 {
 352     // initialize our data
 353     m_hThread = 0;
 354
 355     if ( !ms_nDllCount++ )
 356     {
 357         // load the RAS library
 358         ms_dllRas = wxDllLoader::LoadLibrary("RASAPI32");
 359         if ( !ms_dllRas )
 360         {
 361             wxLogError(_("Dial up functions are unavailable because the remote access service (RAS) is not installed on this machine. Please install it."));
 362         }
 363         else
 364         {
 365             // resolve the functions we need
 366
 367             // this will contain the name of the function we failed to resolve
 368             // if any at the end
 369             const char *funcName = NULL;
 370
 371             // get the function from rasapi32.dll and abort if it's not found
 372             #define RESOLVE_RAS_FUNCTION(type, name)                    \
 373                 ms_pfn##name = (type)wxDllLoader::GetSymbol(ms_dllRas,  \
 374                                wxString(_T(#name)) + gs_funcSuffix);    \
 375                 if ( !ms_pfn##name )                                    \
 376                 {                                                       \
 377                     funcName = #name;                                   \
 378                     goto exit;                                          \
 379                 }
 380
 381             // a variant of above macro which doesn't abort if the function is
 382             // not found in the DLL
 383             #define RESOLVE_OPTIONAL_RAS_FUNCTION(type, name)           \
 384                 ms_pfn##name = (type)wxDllLoader::GetSymbol(ms_dllRas,  \
 385                                wxString(_T(#name)) + gs_funcSuffix);
 386
 387             RESOLVE_RAS_FUNCTION(RASDIAL, RasDial);
 388             RESOLVE_RAS_FUNCTION(RASENUMCONNECTIONS, RasEnumConnections);
 389             RESOLVE_RAS_FUNCTION(RASENUMENTRIES, RasEnumEntries);
 390             RESOLVE_RAS_FUNCTION(RASGETCONNECTSTATUS, RasGetConnectStatus);
 391             RESOLVE_RAS_FUNCTION(RASGETERRORSTRING, RasGetErrorString);
 392             RESOLVE_RAS_FUNCTION(RASHANGUP, RasHangUp);
 393             RESOLVE_RAS_FUNCTION(RASGETENTRYDIALPARAMS, RasGetEntryDialParams);
 394
 395             // suppress wxDllLoader messages about missing (non essential)
 396             // functions
 397             {
 398                 wxLogNull noLog;
 399
 400                 RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETPROJECTIONINFO, RasGetProjectionInfo);
 401                 RESOLVE_OPTIONAL_RAS_FUNCTION(RASCREATEPHONEBOOKENTRY, RasCreatePhonebookEntry);
 402                 RESOLVE_OPTIONAL_RAS_FUNCTION(RASEDITPHONEBOOKENTRY, RasEditPhonebookEntry);
 403                 RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYDIALPARAMS, RasSetEntryDialParams);
 404                 RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETENTRYPROPERTIES, RasGetEntryProperties);
 405                 RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYPROPERTIES, RasSetEntryProperties);
 406                 RESOLVE_OPTIONAL_RAS_FUNCTION(RASRENAMEENTRY, RasRenameEntry);
 407                 RESOLVE_OPTIONAL_RAS_FUNCTION(RASDELETEENTRY, RasDeleteEntry);
 408                 RESOLVE_OPTIONAL_RAS_FUNCTION(RASVALIDATEENTRYNAME, RasValidateEntryName);
 409                 RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETCOUNTRYINFO, RasGetCountryInfo);
 410                 RESOLVE_OPTIONAL_RAS_FUNCTION(RASENUMDEVICES, RasEnumDevices);
 411                 RESOLVE_OPTIONAL_RAS_FUNCTION(RASCONNECTIONNOTIFICATION, RasConnectionNotification);
 412             }
 413
 414             // keep your preprocessor name space clean
 415             #undef RESOLVE_RAS_FUNCTION
 416             #undef RESOLVE_OPTIONAL_RAS_FUNCTION
 417
 418 exit:
 419             if ( funcName )
 420             {
 421                 static const wxChar *msg = wxTRANSLATE(
 422 "The version of remote access service (RAS) installed on this machine is too\
 423 old, please upgrade (the following required function is missing: %s)."
 424                                                        );
 425
 426                 wxLogError(wxGetTranslation(msg), funcName);
 427
 428                 wxDllLoader::UnloadLibrary(ms_dllRas);
 429                 ms_dllRas = 0;
 430                 ms_nDllCount = 0;
 431
 432                 return;
 433             }
 434         }
 435     }
 436
 437     // enable auto check by default
 438     EnableAutoCheckOnlineStatus(0);
 439 }
 440
 441 wxDialUpManagerMSW::~wxDialUpManagerMSW()
 442 {
 443     CleanUpThreadData();
 444
 445     if ( !--ms_nDllCount )
 446     {
 447         // unload the RAS library
 448         wxDllLoader::UnloadLibrary(ms_dllRas);
 449         ms_dllRas = 0;
 450     }
 451 }
 452
 453 // ----------------------------------------------------------------------------
 454 // helper functions
 455 // ----------------------------------------------------------------------------
 456
 457 wxString wxDialUpManagerMSW::GetErrorString(DWORD error)
 458 {
 459     wxChar buffer[512]; // this should be more than enough according to MS docs
 460     DWORD dwRet = ms_pfnRasGetErrorString(error, buffer, WXSIZEOF(buffer));
 461     switch ( dwRet )
 462     {
 463         case ERROR_INVALID_PARAMETER:
 464             // this was a standard Win32 error probably
 465             return wxString(wxSysErrorMsg(error));
 466
 467         default:
 468             {
 469                 wxLogSysError(dwRet,
 470                       _("Failed to retrieve text of RAS error message"));
 471
 472                 wxString msg;
 473                 msg.Printf(_("unknown error (error code %08x)."), error);
 474                 return msg;
 475             }
 476
 477         case 0:
 478             // we want the error message to start from a lower case letter
 479             buffer[0] = wxTolower(buffer[0]);
 480
 481             return wxString(buffer);
 482     }
 483 }
 484
 485 HRASCONN wxDialUpManagerMSW::FindActiveConnection()
 486 {
 487     // enumerate connections
 488     DWORD cbBuf = sizeof(RASCONN);
 489     LPRASCONN lpRasConn = (LPRASCONN)malloc(cbBuf);
 490     if ( !lpRasConn )
 491     {
 492         // out of memory
 493         return 0;
 494     }
 495
 496     lpRasConn->dwSize = sizeof(RASCONN);
 497
 498     DWORD nConnections = 0;
 499     DWORD dwRet = ERROR_BUFFER_TOO_SMALL;
 500
 501     while ( dwRet == ERROR_BUFFER_TOO_SMALL )
 502     {
 503         dwRet = ms_pfnRasEnumConnections(lpRasConn, &cbBuf, &nConnections);
 504
 505         if ( dwRet == ERROR_BUFFER_TOO_SMALL )
 506         {
 507             LPRASCONN lpRasConnOld = lpRasConn;
 508             lpRasConn = (LPRASCONN)realloc(lpRasConn, cbBuf);
 509             if ( !lpRasConn )
 510             {
 511                 // out of memory
 512                 free(lpRasConnOld);
 513
 514                 return 0;
 515             }
 516         }
 517         else if ( dwRet == 0 )
 518         {
 519             // ok, success
 520             break;
 521         }
 522         else
 523         {
 524             // an error occured
 525             wxLogError(_("Cannot find active dialup connection: %s"),
 526                        GetErrorString(dwRet).c_str());
 527             return 0;
 528         }
 529     }
 530
 531     HRASCONN hrasconn;
 532
 533     switch ( nConnections )
 534     {
 535         case 0:
 536             // no connections
 537             hrasconn = 0;
 538             break;
 539
 540         default:
 541             // more than 1 connection - we don't know what to do with this
 542             // case, so give a warning but continue (taking the first
 543             // connection) - the warning is really needed because this function
 544             // is used, for example, to select the connection to hang up and so
 545             // we may hang up the wrong connection here...
 546             wxLogWarning(_("Several active dialup connections found, choosing one randomly."));
 547             // fall through
 548
 549         case 1:
 550             // exactly 1 connection, great
 551             hrasconn = lpRasConn->hrasconn;
 552     }
 553
 554     free(lpRasConn);
 555
 556     return hrasconn;
 557 }
 558
 559 void wxDialUpManagerMSW::CleanUpThreadData()
 560 {
 561     if ( m_hThread )
 562     {
 563         if ( !SetEvent(m_data.hEventQuit) )
 564         {
 565             wxLogLastError(_T("SetEvent(RasThreadQuit)"));
 566         }
 567
 568         CloseHandle(m_hThread);
 569
 570         m_hThread = 0;
 571     }
 572
 573     if ( m_data.hWnd )
 574     {
 575         DestroyWindow(m_data.hWnd);
 576
 577         m_data.hWnd = 0;
 578     }
 579
 580     if ( m_data.hEventQuit )
 581     {
 582         CloseHandle(m_data.hEventQuit);
 583
 584         m_data.hEventQuit = 0;
 585     }
 586
 587     if ( m_data.hEventRas )
 588     {
 589         CloseHandle(m_data.hEventRas);
 590
 591         m_data.hEventRas = 0;
 592     }
 593 }
 594
 595 // ----------------------------------------------------------------------------
 596 // connection status
 597 // ----------------------------------------------------------------------------
 598
 599 void wxDialUpManagerMSW::CheckRasStatus()
 600 {
 601     // use int, not bool to compare with -1
 602     int isConnected = FindActiveConnection() != 0;
 603     if ( isConnected != ms_isConnected )
 604     {
 605         if ( ms_isConnected != -1 )
 606         {
 607             // notify the program
 608             NotifyApp(isConnected != 0);
 609         }
 610         // else: it's the first time we're called, just update the flag
 611
 612         ms_isConnected = isConnected;
 613     }
 614 }
 615
 616 void wxDialUpManagerMSW::NotifyApp(bool connected, bool fromOurselves) const
 617 {
 618     wxDialUpEvent event(connected, fromOurselves);
 619     (void)wxTheApp->ProcessEvent(event);
 620 }
 621
 622 // this function is called whenever the status of any RAS connection on this
 623 // machine changes by RAS itself
 624 void wxDialUpManagerMSW::OnConnectStatusChange()
 625 {
 626     // we know that status changed, but we don't know whether we're connected
 627     // or not - so find it out
 628     CheckRasStatus();
 629 }
 630
 631 // this function is called by our callback which we give to RasDial() when
 632 // calling it asynchronously
 633 void wxDialUpManagerMSW::OnDialProgress(RASCONNSTATE rasconnstate,
 634                                         DWORD dwError)
 635 {
 636     if ( !GetDialer() )
 637     {
 638         // this probably means that CancelDialing() was called and we get
 639         // "disconnected" notification
 640         return;
 641     }
 642
 643     // we're only interested in 2 events: connected and disconnected
 644     if ( dwError )
 645     {
 646         wxLogError(_("Failed to establish dialup connection: %s"),
 647                    GetErrorString(dwError).c_str());
 648
 649         // we should still call RasHangUp() if we got a non 0 connection
 650         if ( ms_hRasConnection )
 651         {
 652             ms_pfnRasHangUp(ms_hRasConnection);
 653             ms_hRasConnection = 0;
 654         }
 655
 656         ms_dialer = NULL;
 657
 658         NotifyApp(FALSE /* !connected */, TRUE /* we dialed ourselves */);
 659     }
 660     else if ( rasconnstate == RASCS_Connected )
 661     {
 662         ms_isConnected = TRUE;
 663         ms_dialer = NULL;
 664
 665         NotifyApp(TRUE /* connected */, TRUE /* we dialed ourselves */);
 666     }
 667 }
 668
 669 // ----------------------------------------------------------------------------
 670 // implementation of wxDialUpManager functions
 671 // ----------------------------------------------------------------------------
 672
 673 bool wxDialUpManagerMSW::IsOk() const
 674 {
 675     return ms_dllRas != 0;
 676 }
 677
 678 size_t wxDialUpManagerMSW::GetISPNames(wxArrayString& names) const
 679 {
 680     // fetch the entries
 681     DWORD size = sizeof(RASENTRYNAME);
 682     RASENTRYNAME *rasEntries = (RASENTRYNAME *)malloc(size);
 683     rasEntries->dwSize = sizeof(RASENTRYNAME);
 684
 685     DWORD nEntries;
 686     DWORD dwRet;
 687     do
 688     {
 689         dwRet = ms_pfnRasEnumEntries
 690                   (
 691                    NULL,                // reserved
 692                    NULL,                // default phone book (or all)
 693                    rasEntries,          // [out] buffer for the entries
 694                    &size,               // [in/out] size of the buffer
 695                    &nEntries            // [out] number of entries fetched
 696                   );
 697
 698         if ( dwRet == ERROR_BUFFER_TOO_SMALL )
 699         {
 700             // reallocate the buffer
 701             rasEntries = (RASENTRYNAME *)realloc(rasEntries, size);
 702         }
 703         else if ( dwRet != 0 )
 704         {
 705             // some other error - abort
 706             wxLogError(_("Failed to get ISP names: %s"),
 707                        GetErrorString(dwRet).c_str());
 708
 709             free(rasEntries);
 710
 711             return 0u;
 712         }
 713     }
 714     while ( dwRet != 0 );
 715
 716     // process them
 717     names.Empty();
 718     for ( size_t n = 0; n < (size_t)nEntries; n++ )
 719     {
 720         names.Add(rasEntries[n].szEntryName);
 721     }
 722
 723     free(rasEntries);
 724
 725     // return the number of entries
 726     return names.GetCount();
 727 }
 728
 729 bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP,
 730                               const wxString& username,
 731                               const wxString& password,
 732                               bool async)
 733 {
 734     // check preconditions
 735     wxCHECK_MSG( IsOk(), FALSE, wxT("using uninitialized wxDialUpManager") );
 736
 737     if ( ms_hRasConnection )
 738     {
 739         wxFAIL_MSG(wxT("there is already an active connection"));
 740
 741         return TRUE;
 742     }
 743
 744     // get the default ISP if none given
 745     wxString entryName(nameOfISP);
 746     if ( !entryName )
 747     {
 748         wxArrayString names;
 749         size_t count = GetISPNames(names);
 750         switch ( count )
 751         {
 752             case 0:
 753                 // no known ISPs, abort
 754                 wxLogError(_("Failed to connect: no ISP to dial."));
 755
 756                 return FALSE;
 757
 758             case 1:
 759                 // only one ISP, choose it
 760                 entryName = names[0u];
 761                 break;
 762
 763             default:
 764                 // several ISPs, let the user choose
 765                 {
 766                     wxString *strings = new wxString[count];
 767                     for ( size_t i = 0; i < count; i++ )
 768                     {
 769                         strings[i] = names[i];
 770                     }
 771
 772                     entryName = wxGetSingleChoice
 773                                 (
 774                                  _("Choose ISP to dial"),
 775                                  _("Please choose which ISP do you want to connect to"),
 776                                  count,
 777                                  strings
 778                                 );
 779
 780                     delete [] strings;
 781
 782                     if ( !entryName )
 783                     {
 784                         // cancelled by user
 785                         return FALSE;
 786                     }
 787                 }
 788         }
 789     }
 790
 791     RASDIALPARAMS rasDialParams;
 792     rasDialParams.dwSize = sizeof(rasDialParams);
 793     wxStrncpy(rasDialParams.szEntryName, entryName, RAS_MaxEntryName);
 794
 795     // do we have the username and password?
 796     if ( !username || !password )
 797     {
 798         BOOL gotPassword;
 799         DWORD dwRet = ms_pfnRasGetEntryDialParams
 800                       (
 801                        NULL,            // default phonebook
 802                        &rasDialParams,  // [in/out] the params of this entry
 803                        &gotPassword     // [out] did we get password?
 804                       );
 805
 806         if ( dwRet != 0 )
 807         {
 808             wxLogError(_("Failed to connect: missing username/password."));
 809
 810             return FALSE;
 811         }
 812     }
 813         else
 814         {
 815                 wxStrncpy(rasDialParams.szUserName, username, UNLEN);
 816                 wxStrncpy(rasDialParams.szPassword, password, PWLEN);
 817         }
 818
 819         // default values for other fields
 820     rasDialParams.szPhoneNumber[0] = '\0';
 821     rasDialParams.szCallbackNumber[0] = '\0';
 822     rasDialParams.szCallbackNumber[0] = '\0';
 823
 824     rasDialParams.szDomain[0] = '*';
 825     rasDialParams.szDomain[1] = '\0';
 826
 827     // apparently, this is not really necessary - passing NULL instead of the
 828     // phone book has the same effect
 829 #if 0
 830     wxString phoneBook;
 831     if ( wxGetOsVersion() == wxWINDOWS_NT )
 832     {
 833         // first get the length
 834         UINT nLen = ::GetSystemDirectory(NULL, 0);
 835         nLen++;
 836
 837         if ( !::GetSystemDirectory(phoneBook.GetWriteBuf(nLen), nLen) )
 838         {
 839             wxLogSysError(_("Cannot find the location of address book file"));
 840         }
 841
 842         phoneBook.UngetWriteBuf();
 843
 844         // this is the default phone book
 845         phoneBook << "\\ras\\rasphone.pbk";
 846     }
 847 #endif // 0
 848
 849     // TODO may be we should disable auto check while async dialing is in
 850     //      progress?
 851
 852     ms_dialer = this;
 853
 854     DWORD dwRet = ms_pfnRasDial
 855                   (
 856                    (LPRASDIALEXTENSIONS)NULL,   // no extended features
 857                    NULL,                  // default phone book file (NT only)
 858                    &rasDialParams,
 859                    0,                     // use callback for notifications
 860                    async ? wxRasDialFunc  // the callback
 861                          : 0,             // no notifications - sync operation
 862                    &ms_hRasConnection
 863                   );
 864
 865     if ( dwRet != 0 )
 866     {
 867         wxLogError(_("Failed to %s dialup connection: %s"),
 868                    async ? _("initiate") : _("establish"),
 869                    GetErrorString(dwRet).c_str());
 870
 871         // we should still call RasHangUp() if we got a non 0 connection
 872         if ( ms_hRasConnection )
 873         {
 874             ms_pfnRasHangUp(ms_hRasConnection);
 875             ms_hRasConnection = 0;
 876         }
 877
 878         ms_dialer = NULL;
 879
 880         return FALSE;
 881     }
 882
 883     // for async dialing, we're not yet connected
 884     if ( !async )
 885     {
 886         ms_isConnected = TRUE;
 887     }
 888
 889     return TRUE;
 890 }
 891
 892 bool wxDialUpManagerMSW::IsDialing() const
 893 {
 894     return GetDialer() != NULL;
 895 }
 896
 897 bool wxDialUpManagerMSW::CancelDialing()
 898 {
 899     if ( !GetDialer() )
 900     {
 901         // silently ignore
 902         return FALSE;
 903     }
 904
 905     wxASSERT_MSG( ms_hRasConnection, wxT("dialing but no connection?") );
 906
 907     ms_dialer = NULL;
 908
 909     return HangUp();
 910 }
 911
 912 bool wxDialUpManagerMSW::HangUp()
 913 {
 914     wxCHECK_MSG( IsOk(), FALSE, wxT("using uninitialized wxDialUpManager") );
 915
 916     // we may terminate either the connection we initiated or another one which
 917     // is active now
 918     HRASCONN hRasConn;
 919     if ( ms_hRasConnection )
 920     {
 921         hRasConn = ms_hRasConnection;
 922
 923         ms_hRasConnection = 0;
 924     }
 925     else
 926     {
 927         hRasConn = FindActiveConnection();
 928     }
 929
 930     if ( !hRasConn )
 931     {
 932         wxLogError(_("Cannot hang up - no active dialup connection."));
 933
 934         return FALSE;
 935     }
 936
 937     DWORD dwRet = ms_pfnRasHangUp(hRasConn);
 938     if ( dwRet != 0 )
 939     {
 940         wxLogError(_("Failed to terminate the dialup connection: %s"),
 941                    GetErrorString(dwRet).c_str());
 942     }
 943
 944     ms_isConnected = FALSE;
 945
 946     return TRUE;
 947 }
 948
 949 bool wxDialUpManagerMSW::IsAlwaysOnline() const
 950 {
 951     // we cache the result (presumably this won't change while the program is
 952     // running!)
 953     if ( ms_isAlwaysOnline != -1 )
 954     {
 955         return ms_isAlwaysOnline != 0;
 956     }
 957
 958     // try to use WinInet function first
 959     bool ok;
 960     wxDllType hDll = wxDllLoader::LoadLibrary(_T("WININET"), &ok);
 961     if ( ok )
 962     {
 963         typedef BOOL (*INTERNETGETCONNECTEDSTATE)(LPDWORD, DWORD);
 964         INTERNETGETCONNECTEDSTATE pfnInternetGetConnectedState;
 965
 966         #define RESOLVE_FUNCTION(type, name) \
 967             pfn##name = (type)wxDllLoader::GetSymbol(hDll, _T(#name))
 968
 969         RESOLVE_FUNCTION(INTERNETGETCONNECTEDSTATE, InternetGetConnectedState);
 970
 971         if ( pfnInternetGetConnectedState )
 972         {
 973             DWORD flags = 0;
 974             if ( pfnInternetGetConnectedState(&flags, 0 /* reserved */) )
 975             {
 976                 // there is some connection to the net, see of which type
 977                 ms_isAlwaysOnline = (flags & INTERNET_CONNECTION_LAN != 0) ||
 978                                     (flags & INTERNET_CONNECTION_PROXY != 0);
 979             }
 980             else
 981             {
 982                 // no Internet connection at all
 983                 ms_isAlwaysOnline = FALSE;
 984             }
 985         }
 986
 987         wxDllLoader::UnloadLibrary(hDll);
 988     }
 989
 990     // did we succeed with WinInet? if not, try something else
 991     if ( ms_isAlwaysOnline == -1 )
 992     {
 993         if ( !IsOnline() )
 994         {
 995             // definitely no permanent connection because we are not connected
 996             // now
 997             ms_isAlwaysOnline = FALSE;
 998         }
 999         else
1000         {
1001             // of course, having a modem doesn't prevent us from having a
1002             // permanent connection as well, but we have to guess somehow and
1003             // it's probably more common that a system connected via a modem
1004             // doesn't have any other net access, so:
1005             ms_isAlwaysOnline = FALSE;
1006         }
1007     }
1008
1009     wxASSERT_MSG( ms_isAlwaysOnline != -1, wxT("logic error") );
1010
1011     return ms_isAlwaysOnline != 0;
1012 }
1013
1014 bool wxDialUpManagerMSW::IsOnline() const
1015 {
1016     wxCHECK_MSG( IsOk(), FALSE, wxT("using uninitialized wxDialUpManager") );
1017
1018     if ( ms_userSpecifiedOnlineStatus != -1 )
1019     {
1020         // user specified flag overrides our logic
1021         return ms_userSpecifiedOnlineStatus != 0;
1022     }
1023     else
1024     {
1025         // return TRUE if there is at least one active connection
1026         return FindActiveConnection() != 0;
1027     }
1028 }
1029
1030 void wxDialUpManagerMSW::SetOnlineStatus(bool isOnline)
1031 {
1032     wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") );
1033
1034     ms_userSpecifiedOnlineStatus = isOnline;
1035 }
1036
1037 bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds)
1038 {
1039     wxCHECK_MSG( IsOk(), FALSE, wxT("using uninitialized wxDialUpManager") );
1040
1041     bool ok = ms_pfnRasConnectionNotification != 0;
1042
1043     if ( ok )
1044     {
1045         // we're running under NT 4.0, Windows 98 or later and can use
1046         // RasConnectionNotification() to be notified by a secondary thread
1047
1048         // first, see if we don't have this thread already running
1049         if ( m_hThread != 0 )
1050         {
1051             DWORD dwSuspendCount = 2;
1052             while ( dwSuspendCount > 1 )
1053             {
1054                 dwSuspendCount = ResumeThread(m_hThread);
1055                 if ( dwSuspendCount == (DWORD)-1 )
1056                 {
1057                     wxLogLastError(wxT("ResumeThread(RasThread)"));
1058
1059                     ok = FALSE;
1060                 }
1061             }
1062
1063             if ( ok )
1064             {
1065                 return TRUE;
1066             }
1067         }
1068     }
1069
1070     // create all the stuff we need to be notified about RAS connection
1071     // status change
1072
1073     if ( ok )
1074     {
1075         // first create an event to wait on
1076         m_data.hEventRas = CreateEvent
1077                            (
1078                              NULL,      // security attribute (default)
1079                              FALSE,     // manual reset (not)
1080                              FALSE,     // initial state (not signaled)
1081                              NULL       // name (no)
1082                            );
1083         if ( !m_data.hEventRas )
1084         {
1085             wxLogLastError(wxT("CreateEvent(RasStatus)"));
1086
1087             ok = FALSE;
1088         }
1089     }
1090
1091     if ( ok )
1092     {
1093         // create the event we use to quit the thread
1094         m_data.hEventQuit = CreateEvent(NULL, FALSE, FALSE, NULL);
1095         if ( !m_data.hEventQuit )
1096         {
1097             wxLogLastError(wxT("CreateEvent(RasThreadQuit)"));
1098
1099             CleanUpThreadData();
1100
1101             ok = FALSE;
1102         }
1103     }
1104
1105     if ( ok && !ms_hwndRas )
1106     {
1107         // create a hidden window to receive notification about connections
1108         // status change
1109         extern const wxChar *wxPanelClassName;
1110         ms_hwndRas = ::CreateWindow(wxPanelClassName, NULL,
1111                                     0, 0, 0, 0,
1112                                     0, NULL,
1113                                     (HMENU)NULL, wxGetInstance(), 0);
1114         if ( !ms_hwndRas )
1115         {
1116             wxLogLastError(wxT("CreateWindow(RasHiddenWindow)"));
1117
1118             CleanUpThreadData();
1119
1120             ok = FALSE;
1121         }
1122
1123         // and subclass it
1124         FARPROC windowProc = MakeProcInstance
1125                              (
1126                               (FARPROC)wxRasStatusWindowProc,
1127                               wxGetInstance()
1128                              );
1129
1130         ::SetWindowLong(ms_hwndRas, GWL_WNDPROC, (LONG) windowProc);
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_hThread )
1200     {
1201         // we have running secondary thread, it's just enough to suspend it
1202         if ( SuspendThread(m_hThread) == (DWORD)-1 )
1203         {
1204             wxLogLastError(wxT("SuspendThread(RasThread)"));
1205         }
1206     }
1207     else
1208     {
1209         // even simpler - just stop the timer
1210         m_timerStatusPolling.Stop();
1211     }
1212 }
1213
1214 // ----------------------------------------------------------------------------
1215 // stubs which don't do anything in MSW version
1216 // ----------------------------------------------------------------------------
1217
1218 void wxDialUpManagerMSW::SetWellKnownHost(const wxString& WXUNUSED(hostname),
1219                                           int WXUNUSED(port))
1220 {
1221     wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") );
1222
1223     // nothing to do - we don't use this
1224 }
1225
1226 void wxDialUpManagerMSW::SetConnectCommand(const wxString& WXUNUSED(dial),
1227                                            const wxString& WXUNUSED(hangup))
1228 {
1229     wxCHECK_RET( IsOk(), wxT("using uninitialized wxDialUpManager") );
1230
1231     // nothing to do - we don't use this
1232 }
1233
1234 // ----------------------------------------------------------------------------
1235 // callbacks
1236 // ----------------------------------------------------------------------------
1237
1238 static DWORD wxRasMonitorThread(wxRasThreadData *data)
1239 {
1240     HANDLE handles[2];
1241     handles[0] = data->hEventRas;
1242     handles[1] = data->hEventQuit;
1243
1244     bool cont = TRUE;
1245     while ( cont )
1246     {
1247         DWORD dwRet = WaitForMultipleObjects(2, handles, FALSE, INFINITE);
1248
1249         switch ( dwRet )
1250         {
1251             case WAIT_OBJECT_0:
1252                 // RAS connection status changed
1253                 SendMessage(data->hWnd, wxWM_RAS_STATUS_CHANGED,
1254                             0, (LPARAM)data);
1255                 break;
1256
1257             case WAIT_OBJECT_0 + 1:
1258                 cont = FALSE;
1259                 break;
1260
1261             case WAIT_FAILED:
1262                 wxLogLastError(wxT("WaitForMultipleObjects(RasMonitor)"));
1263                 break;
1264         }
1265     }
1266
1267     return 0;
1268 }
1269
1270 static LRESULT APIENTRY wxRasStatusWindowProc(HWND hWnd, UINT message,
1271                                               WPARAM wParam, LPARAM lParam)
1272 {
1273     if ( message == wxWM_RAS_STATUS_CHANGED )
1274     {
1275         wxRasThreadData *data = (wxRasThreadData *)lParam;
1276         data->dialUpManager->OnConnectStatusChange();
1277     }
1278     else if ( message == wxWM_RAS_DIALING_PROGRESS )
1279     {
1280         wxDialUpManagerMSW *dialUpManager = wxDialUpManagerMSW::GetDialer();
1281
1282         dialUpManager->OnDialProgress((RASCONNSTATE)wParam, lParam);
1283     }
1284
1285     return 0;
1286 }
1287
1288 static void WINAPI wxRasDialFunc(UINT unMsg,
1289                                  RASCONNSTATE rasconnstate,
1290                                  DWORD dwError)
1291 {
1292     wxDialUpManagerMSW *dialUpManager = wxDialUpManagerMSW::GetDialer();
1293
1294     wxCHECK_RET( dialUpManager, wxT("who started to dial then?") );
1295
1296     SendMessage(dialUpManager->GetRasWindow(), wxWM_RAS_DIALING_PROGRESS,
1297                 rasconnstate, dwError);
1298 }
1299
1300 #endif
1301   // __BORLANDC__
1302 #endif // wxUSE_DIALUP_MANAGER