From a0b4c98b8aed2e0006d75adc158f526018650dba Mon Sep 17 00:00:00 2001 From: Vadim Zeitlin Date: Sun, 3 Oct 1999 01:33:05 +0000 Subject: [PATCH] 1. Win9x support + async dialing + many more for wxDialUpManager 2. renamed files from net.h/cpp to dialup.h/cpp git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3802 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- include/wx/{net.h => dialup.h} | 70 +- src/msw/dialup.cpp | 1061 ++++++++++++++++++++++++++++++ src/unix/{net.cpp => dialup.cpp} | 40 +- 3 files changed, 1132 insertions(+), 39 deletions(-) rename include/wx/{net.h => dialup.h} (69%) create mode 100644 src/msw/dialup.cpp rename src/unix/{net.cpp => dialup.cpp} (95%) diff --git a/include/wx/net.h b/include/wx/dialup.h similarity index 69% rename from include/wx/net.h rename to include/wx/dialup.h index 2f91ed531a..f10166db30 100644 --- a/include/wx/net.h +++ b/include/wx/dialup.h @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: wx/net.h +// Name: wx/dialup.h // Purpose: Network related wxWindows classes and functions // Author: Vadim Zeitlin // Modified by: @@ -14,6 +14,14 @@ #if wxUSE_DIALUP_MANAGER +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- + +extern const wxChar *wxEmptyString; + +#define WXDIALUP_MANAGER_DEFAULT_BEACONHOST _T("www.yahoo.com") + // ---------------------------------------------------------------------------- // A class which groups functions dealing with connecting to the network from a // workstation using dial-up access to the net. There is at most one instance @@ -24,12 +32,8 @@ * * 1. more configurability for Unix: i.e. how to initiate the connection, how * to check for online status, &c. - * 2. add a "long Dial(long connectionId = -1)" function which asks the user - * about which connection to dial (this may be done using native dialogs - * under NT, need generic dialogs for all others) and returns the identifier - * of the selected connection (it's opaque to the application) - it may be - * reused later to dial the same connection later (or use strings instead of - * longs may be?) + * 2. a function to enumerate all connections (ISPs) and show a dialog in + * Dial() allowing to choose between them if no ISP given * 3. add an async version of dialing functions which notify the caller about * the progress (or may be even start another thread to monitor it) * 4. the static creation/accessor functions are not MT-safe - but is this @@ -37,8 +41,6 @@ * main thread? */ -#define WXDIALUP_MANAGER_DEFAULT_BEACONHOST "www.yahoo.com" - class WXDLLEXPORT wxDialUpManager { public: @@ -59,13 +61,24 @@ public: // operations // ---------- - // the simplest way to initiate a dial up: this function dials the given - // ISP (exact meaning of the parameter depends on the platform), returns - // TRUE on success or FALSE on failure and logs the appropriate error - // message in the latter case. - virtual bool Dial(const wxString& nameOfISP = "", - const wxString& username = "", - const wxString& password = "") = 0; + // dial the given ISP, use username and password to authentificate + // + // if async parameter is FALSE, the function waits until the end of dialing + // and returns TRUE upon successful completion. + // if async is TRUE, the function only initiates the connection and returns + // immediately - the result is reported via events (an event is sent + // anyhow, but if dialing failed it will be a DISCONNECTED one) + virtual bool Dial(const wxString& nameOfISP = wxEmptyString, + const wxString& username = wxEmptyString, + const wxString& password = wxEmptyString, + bool async = TRUE) = 0; + + // returns TRUE if (async) dialing is in progress + virtual bool IsDialing() const = 0; + + // cancel dialing the number initiated with Dial(async = TRUE) + // NB: this won't result in DISCONNECTED event being sent + virtual bool CancelDialing() = 0; // hang up the currently active dial up connection virtual bool HangUp() = 0; @@ -100,17 +113,20 @@ public: // wxEVT_DIALUP_XXX events won't be sent any more neither. virtual void DisableAutoCheckOnlineStatus() = 0; + // additional Unix-only configuration + // ---------------------------------- + // under Unix, the value of well-known host is used to check whether we're // connected to the internet. It's unused under Windows, but this function // is always safe to call. The default value is www.yahoo.com. virtual void SetWellKnownHost(const wxString& hostname, int portno = 80) = 0; - /** Sets the commands to start up the network and to hang up - again. Used by the Unix implementations only. - */ - virtual void SetConnectCommand(const wxString &command = "/usr/bin/pon", - const wxString &hupcmd = "/usr/bin/poff") - { } + + // Sets the commands to start up the network and to hang up again. Used by + // the Unix implementations only. + virtual void + SetConnectCommand(const wxString& commandDial = _T("/usr/bin/pon"), + const wxString& commandHangup = _T("/usr/bin/poff")) = 0; }; // ---------------------------------------------------------------------------- @@ -121,14 +137,20 @@ public: class WXDLLEXPORT wxDialUpEvent : public wxEvent { public: - wxDialUpEvent(bool isConnected) : wxEvent(isConnected) + wxDialUpEvent(bool isConnected, bool isOwnEvent) : wxEvent(isOwnEvent) { SetEventType(isConnected ? wxEVT_DIALUP_CONNECTED : wxEVT_DIALUP_DISCONNECTED); } // is this a CONNECTED or DISCONNECTED event? - bool IsConnectedEvent() const { return m_id != 0; } + bool IsConnectedEvent() const + { return GetEventType() == wxEVT_DIALUP_CONNECTED; } + + // does this event come from wxDialUpManager::Dial() or from some extrenal + // process (i.e. does it result from our own attempt to establish the + // connection)? + bool IsOwnEvent() const { return m_id != 0; } }; // the type of dialup event handler function diff --git a/src/msw/dialup.cpp b/src/msw/dialup.cpp new file mode 100644 index 0000000000..3c17c47e14 --- /dev/null +++ b/src/msw/dialup.cpp @@ -0,0 +1,1061 @@ +///////////////////////////////////////////////////////////////////////////// +// Name: msw/dialup.cpp +// Purpose: MSW implementation of network/dialup classes and functions +// Author: Vadim Zeitlin +// Modified by: +// Created: 07.07.99 +// RCS-ID: $Id$ +// Copyright: (c) Vadim Zeitlin +// Licence: wxWindows licence +///////////////////////////////////////////////////////////////////////////// + +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +// for compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifdef __BORLANDC__ + #pragma hdrstop +#endif + +// these functions require Win32 +#if defined(__WIN16__) && wxUSE_DIALUP_MANAGER + #undef wxUSE_DIALUP_MANAGER + #define wxUSE_DIALUP_MANAGER 0 +#endif // wxUSE_DIALUP_MANAGER && Win16 + +#if wxUSE_DIALUP_MANAGER + +#ifndef WX_PRECOMP + #include "wx/log.h" +#endif + +#include "wx/dynlib.h" + +#include "wx/net.h" + +#include +#include + +#include "wx/msw/private.h" + +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- + +// this message is sent by the secondary thread when RAS status changes +#define wxWM_RAS_STATUS_CHANGED (WM_USER + 10010) + +// ---------------------------------------------------------------------------- +// types +// ---------------------------------------------------------------------------- + +// the signatures of RAS functions: all this is quite heavy, but we must do it +// to allow running wxWin programs on machine which don't have RAS installed +// (this does exist) - if we link with rasapi32.lib, the program will fail on +// startup because of the missing DLL... + +#ifndef UNICODE + typedef DWORD (* RASDIAL)( LPRASDIALEXTENSIONS, LPCSTR, LPRASDIALPARAMSA, DWORD, LPVOID, LPHRASCONN ); + typedef DWORD (* RASENUMCONNECTIONS)( LPRASCONNA, LPDWORD, LPDWORD ); + typedef DWORD (* RASENUMENTRIES)( LPCSTR, LPCSTR, LPRASENTRYNAMEA, LPDWORD, LPDWORD ); + typedef DWORD (* RASGETCONNECTSTATUS)( HRASCONN, LPRASCONNSTATUSA ); + typedef DWORD (* RASGETERRORSTRING)( UINT, LPSTR, DWORD ); + typedef DWORD (* RASHANGUP)( HRASCONN ); + typedef DWORD (* RASGETPROJECTIONINFO)( HRASCONN, RASPROJECTION, LPVOID, LPDWORD ); + typedef DWORD (* RASCREATEPHONEBOOKENTRY)( HWND, LPCSTR ); + typedef DWORD (* RASEDITPHONEBOOKENTRY)( HWND, LPCSTR, LPCSTR ); + typedef DWORD (* RASSETENTRYDIALPARAMS)( LPCSTR, LPRASDIALPARAMSA, BOOL ); + typedef DWORD (* RASGETENTRYDIALPARAMS)( LPCSTR, LPRASDIALPARAMSA, LPBOOL ); + typedef DWORD (* RASENUMDEVICES)( LPRASDEVINFOA, LPDWORD, LPDWORD ); + typedef DWORD (* RASGETCOUNTRYINFO)( LPRASCTRYINFOA, LPDWORD ); + typedef DWORD (* RASGETENTRYPROPERTIES)( LPCSTR, LPCSTR, LPRASENTRYA, LPDWORD, LPBYTE, LPDWORD ); + typedef DWORD (* RASSETENTRYPROPERTIES)( LPCSTR, LPCSTR, LPRASENTRYA, DWORD, LPBYTE, DWORD ); + typedef DWORD (* RASRENAMEENTRY)( LPCSTR, LPCSTR, LPCSTR ); + typedef DWORD (* RASDELETEENTRY)( LPCSTR, LPCSTR ); + typedef DWORD (* RASVALIDATEENTRYNAME)( LPCSTR, LPCSTR ); + typedef DWORD (* RASCONNECTIONNOTIFICATION)( HRASCONN, HANDLE, DWORD ); + + static const char gs_funcSuffix = 'A'; +#else // Unicode + typedef DWORD (* RASDIAL)( LPRASDIALEXTENSIONS, LPCWSTR, LPRASDIALPARAMSW, DWORD, LPVOID, LPHRASCONN ); + typedef DWORD (* RASENUMCONNECTIONS)( LPRASCONNW, LPDWORD, LPDWORD ); + typedef DWORD (* RASENUMENTRIES)( LPCWSTR, LPCWSTR, LPRASENTRYNAMEW, LPDWORD, LPDWORD ); + typedef DWORD (* RASGETCONNECTSTATUS)( HRASCONN, LPRASCONNSTATUSW ); + typedef DWORD (* RASGETERRORSTRING)( UINT, LPWSTR, DWORD ); + typedef DWORD (* RASHANGUP)( HRASCONN ); + typedef DWORD (* RASGETPROJECTIONINFO)( HRASCONN, RASPROJECTION, LPVOID, LPDWORD ); + typedef DWORD (* RASCREATEPHONEBOOKENTRY)( HWND, LPCWSTR ); + typedef DWORD (* RASEDITPHONEBOOKENTRY)( HWND, LPCWSTR, LPCWSTR ); + typedef DWORD (* RASSETENTRYDIALPARAMS)( LPCWSTR, LPRASDIALPARAMSW, BOOL ); + typedef DWORD (* RASGETENTRYDIALPARAMS)( LPCWSTR, LPRASDIALPARAMSW, LPBOOL ); + typedef DWORD (* RASENUMDEVICES)( LPRASDEVINFOW, LPDWORD, LPDWORD ); + typedef DWORD (* RASGETCOUNTRYINFO)( LPRASCTRYINFOW, LPDWORD ); + typedef DWORD (* RASGETENTRYPROPERTIES)( LPCWSTR, LPCWSTR, LPRASENTRYW, LPDWORD, LPBYTE, LPDWORD ); + typedef DWORD (* RASSETENTRYPROPERTIES)( LPCWSTR, LPCWSTR, LPRASENTRYW, DWORD, LPBYTE, DWORD ); + typedef DWORD (* RASRENAMEENTRY)( LPCWSTR, LPCWSTR, LPCWSTR ); + typedef DWORD (* RASDELETEENTRY)( LPCWSTR, LPCWSTR ); + typedef DWORD (* RASVALIDATEENTRYNAME)( LPCWSTR, LPCWSTR ); + typedef DWORD (* RASCONNECTIONNOTIFICATION)( HRASCONN, HANDLE, DWORD ); + + static const char gs_funcSuffix = 'W'; +#endif // ASCII/Unicode + +// structure passed to the secondary thread +struct wxRasThreadData +{ + wxRasThreadData() + { + hWnd = 0; + hEventRas = hEventQuit = INVALID_HANDLE_VALUE; + dialUpManager = NULL; + } + + HWND hWnd; // window to send notifications to + HANDLE hEventRas, // event which RAS signals when status changes + hEventQuit; // event which we signal when we terminate + + class WXDLLEXPORT wxDialUpManagerMSW *dialUpManager; // the owner +}; + +// ---------------------------------------------------------------------------- +// wxDialUpManager class for MSW +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxDialUpManagerMSW : public wxDialUpManager +{ +public: + // ctor & dtor + wxDialUpManagerMSW(); + virtual ~wxDialUpManagerMSW(); + + // implement base class pure virtuals + virtual bool IsOk() const; + virtual bool Dial(const wxString& nameOfISP, + const wxString& username, + const wxString& password, + bool async); + virtual bool IsDialing() const; + virtual bool CancelDialing(); + virtual bool HangUp(); + virtual bool IsOnline() const; + virtual void SetOnlineStatus(bool isOnline = TRUE); + virtual bool EnableAutoCheckOnlineStatus(size_t nSeconds); + virtual void DisableAutoCheckOnlineStatus(); + virtual void SetWellKnownHost(const wxString& hostname, int port); + virtual void SetConnectCommand(const wxString& commandDial, + const wxString& commandHangup); + + // for RasTimer + void CheckRasStatus(); + + // for wxRasStatusWindowProc + void OnConnectStatusChange(); + + // for wxRasDialFunc + void OnDialProgress(RASCONNSTATE rasconnstate, DWORD dwError); + static wxDialUpManagerMSW *GetDialer() { return ms_dialer; } + +private: + // return the error string for the given RAS error code + static wxString GetErrorString(DWORD error); + + // find the (first) handle of the active connection + static HRASCONN FindActiveConnection(); + + // notify the application about status change + void NotifyApp(bool connected, bool fromOurselves = FALSE) const; + + // destroy the thread data and the thread itself + void CleanUpThreadData(); + + // timer used for polling RAS status + class RasTimer : public wxTimer + { + public: + RasTimer(wxDialUpManagerMSW *dialUpManager) + { m_dialUpManager = dialUpManager; } + + virtual void Notify() { m_dialUpManager->CheckRasStatus(); } + + private: + wxDialUpManagerMSW *m_dialUpManager; + } m_timerStatusPolling; + + // thread handle for the thread sitting on connection change event + HANDLE m_hThread; + + // data used by this thread and our hidden window to send messages between + // each other + wxRasThreadData m_data; + + // the handle of the connection we initiated or 0 if none + static HRASCONN ms_hRasConnection; + + // the use count of rasapi32.dll + static int ms_nDllCount; + + // the handle of rasapi32.dll when it's loaded + static wxDllType ms_dllRas; + + // the pointers to RAS functions + static RASDIAL ms_pfnRasDial; + static RASENUMCONNECTIONS ms_pfnRasEnumConnections; + static RASENUMENTRIES ms_pfnRasEnumEntries; + static RASGETCONNECTSTATUS ms_pfnRasGetConnectStatus; + static RASGETERRORSTRING ms_pfnRasGetErrorString; + static RASHANGUP ms_pfnRasHangUp; + static RASGETPROJECTIONINFO ms_pfnRasGetProjectionInfo; + static RASCREATEPHONEBOOKENTRY ms_pfnRasCreatePhonebookEntry; + static RASEDITPHONEBOOKENTRY ms_pfnRasEditPhonebookEntry; + static RASSETENTRYDIALPARAMS ms_pfnRasSetEntryDialParams; + static RASGETENTRYDIALPARAMS ms_pfnRasGetEntryDialParams; + static RASENUMDEVICES ms_pfnRasEnumDevices; + static RASGETCOUNTRYINFO ms_pfnRasGetCountryInfo; + static RASGETENTRYPROPERTIES ms_pfnRasGetEntryProperties; + static RASSETENTRYPROPERTIES ms_pfnRasSetEntryProperties; + static RASRENAMEENTRY ms_pfnRasRenameEntry; + static RASDELETEENTRY ms_pfnRasDeleteEntry; + static RASVALIDATEENTRYNAME ms_pfnRasValidateEntryName; + + // this function is not supported by Win95 + static RASCONNECTIONNOTIFICATION ms_pfnRasConnectionNotification; + + // if this flag is different from -1, it overrides IsOnline() + static int ms_userSpecifiedOnlineStatus; + + // this flag tells us if we're online + static int ms_isConnected; + + // this flag tells us whether a call to RasDial() is in progress + static wxDialUpManagerMSW *ms_dialer; +}; + +// ---------------------------------------------------------------------------- +// private functions +// ---------------------------------------------------------------------------- + +static LRESULT WINAPI wxRasStatusWindowProc(HWND hWnd, UINT message, + WPARAM wParam, LPARAM lParam); + +static DWORD wxRasMonitorThread(wxRasThreadData *data); + +static void WINAPI wxRasDialFunc(UINT unMsg, + RASCONNSTATE rasconnstate, + DWORD dwError); + +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// init the static variables +// ---------------------------------------------------------------------------- + +HRASCONN wxDialUpManagerMSW::ms_hRasConnection = 0; + +int wxDialUpManagerMSW::ms_nDllCount = 0; +wxDllType wxDialUpManagerMSW::ms_dllRas = 0; + +RASDIAL wxDialUpManagerMSW::ms_pfnRasDial = 0; +RASENUMCONNECTIONS wxDialUpManagerMSW::ms_pfnRasEnumConnections = 0; +RASENUMENTRIES wxDialUpManagerMSW::ms_pfnRasEnumEntries = 0; +RASGETCONNECTSTATUS wxDialUpManagerMSW::ms_pfnRasGetConnectStatus = 0; +RASGETERRORSTRING wxDialUpManagerMSW::ms_pfnRasGetErrorString = 0; +RASHANGUP wxDialUpManagerMSW::ms_pfnRasHangUp = 0; +RASGETPROJECTIONINFO wxDialUpManagerMSW::ms_pfnRasGetProjectionInfo = 0; +RASCREATEPHONEBOOKENTRY wxDialUpManagerMSW::ms_pfnRasCreatePhonebookEntry = 0; +RASEDITPHONEBOOKENTRY wxDialUpManagerMSW::ms_pfnRasEditPhonebookEntry = 0; +RASSETENTRYDIALPARAMS wxDialUpManagerMSW::ms_pfnRasSetEntryDialParams = 0; +RASGETENTRYDIALPARAMS wxDialUpManagerMSW::ms_pfnRasGetEntryDialParams = 0; +RASENUMDEVICES wxDialUpManagerMSW::ms_pfnRasEnumDevices = 0; +RASGETCOUNTRYINFO wxDialUpManagerMSW::ms_pfnRasGetCountryInfo = 0; +RASGETENTRYPROPERTIES wxDialUpManagerMSW::ms_pfnRasGetEntryProperties = 0; +RASSETENTRYPROPERTIES wxDialUpManagerMSW::ms_pfnRasSetEntryProperties = 0; +RASRENAMEENTRY wxDialUpManagerMSW::ms_pfnRasRenameEntry = 0; +RASDELETEENTRY wxDialUpManagerMSW::ms_pfnRasDeleteEntry = 0; +RASVALIDATEENTRYNAME wxDialUpManagerMSW::ms_pfnRasValidateEntryName = 0; +RASCONNECTIONNOTIFICATION wxDialUpManagerMSW::ms_pfnRasConnectionNotification = 0; + +int wxDialUpManagerMSW::ms_userSpecifiedOnlineStatus = -1; +int wxDialUpManagerMSW::ms_isConnected = -1; +wxDialUpManagerMSW *wxDialUpManagerMSW::ms_dialer = NULL; + +// ---------------------------------------------------------------------------- +// ctor and dtor: the dynamic linking happens here +// ---------------------------------------------------------------------------- + +// the static creator function is implemented here +wxDialUpManager *wxDialUpManager::Create() +{ + return new wxDialUpManagerMSW; +} + +#ifdef __VISUALC__ + // warning about "'this' : used in base member initializer list" - so what? + #pragma warning(disable:4355) +#endif // VC++ + +wxDialUpManagerMSW::wxDialUpManagerMSW() + : m_timerStatusPolling(this) +{ + // initialize our data + m_hThread = 0; + + if ( !ms_nDllCount++ ) + { + // load the RAS library + ms_dllRas = wxDllLoader::LoadLibrary("RASAPI32"); + if ( !ms_dllRas ) + { + wxLogError(_("Dial up functions are unavailable because the " + "remote access service (RAS) is not installed " + "on this machine. Please install it.")); + } + else + { + // resolve the functions we need + + // this will contain the name of the function we failed to resolve + // if any at the end + const char *funcName = NULL; + + // get the function from rasapi32.dll and abort if it's not found + #define RESOLVE_RAS_FUNCTION(type, name) \ + ms_pfn##name = (type)wxDllLoader::GetSymbol(ms_dllRas, \ + wxString(#name) + gs_funcSuffix); \ + if ( !ms_pfn##name ) \ + { \ + funcName = #name; \ + goto exit; \ + } + + // a variant of above macro which doesn't abort if the function is + // not found in the DLL + #define RESOLVE_OPTIONAL_RAS_FUNCTION(type, name) \ + ms_pfn##name = (type)wxDllLoader::GetSymbol(ms_dllRas, \ + wxString(#name) + gs_funcSuffix); + + RESOLVE_RAS_FUNCTION(RASDIAL, RasDial); + RESOLVE_RAS_FUNCTION(RASENUMCONNECTIONS, RasEnumConnections); + RESOLVE_RAS_FUNCTION(RASENUMENTRIES, RasEnumEntries); + RESOLVE_RAS_FUNCTION(RASGETCONNECTSTATUS, RasGetConnectStatus); + RESOLVE_RAS_FUNCTION(RASGETERRORSTRING, RasGetErrorString); + RESOLVE_RAS_FUNCTION(RASHANGUP, RasHangUp); + + // suppress wxDllLoader messages about missing (non essential) + // functions + { + wxLogNull noLog; + + RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETPROJECTIONINFO, RasGetProjectionInfo); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASCREATEPHONEBOOKENTRY, RasCreatePhonebookEntry); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASEDITPHONEBOOKENTRY, RasEditPhonebookEntry); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYDIALPARAMS, RasSetEntryDialParams); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETENTRYDIALPARAMS, RasGetEntryDialParams); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETENTRYPROPERTIES, RasGetEntryProperties); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASSETENTRYPROPERTIES, RasSetEntryProperties); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASRENAMEENTRY, RasRenameEntry); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASDELETEENTRY, RasDeleteEntry); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASVALIDATEENTRYNAME, RasValidateEntryName); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASGETCOUNTRYINFO, RasGetCountryInfo); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASENUMDEVICES, RasEnumDevices); + RESOLVE_OPTIONAL_RAS_FUNCTION(RASCONNECTIONNOTIFICATION, RasConnectionNotification); + } + + // keep your preprocessor name space clean + #undef RESOLVE_RAS_FUNCTION + #undef RESOLVE_OPTIONAL_RAS_FUNCTION + +exit: + if ( funcName ) + { + wxLogError(_("The version of remote access service (RAS) " + "installed on this machine is too old, please " + "upgrade (the following required function is " + "missing: %s)."), funcName); + + wxDllLoader::UnloadLibrary(ms_dllRas); + ms_dllRas = 0; + ms_nDllCount = 0; + + return; + } + } + } + + // enable auto check by default + EnableAutoCheckOnlineStatus(0); +} + +wxDialUpManagerMSW::~wxDialUpManagerMSW() +{ + CleanUpThreadData(); + + if ( !--ms_nDllCount ) + { + // unload the RAS library + wxDllLoader::UnloadLibrary(ms_dllRas); + ms_dllRas = 0; + } +} + +// ---------------------------------------------------------------------------- +// helper functions +// ---------------------------------------------------------------------------- + +wxString wxDialUpManagerMSW::GetErrorString(DWORD error) +{ + wxChar buffer[512]; // this should be more than enough according to MS docs + DWORD dwRet = ms_pfnRasGetErrorString(error, buffer, WXSIZEOF(buffer)); + switch ( dwRet ) + { + case ERROR_INVALID_PARAMETER: + // this was a standard Win32 error probably + return wxString(wxSysErrorMsg(error)); + + default: + { + wxLogSysError(dwRet, _("Failed to retrieve text of RAS " + "error message")); + + wxString msg; + msg.Printf(_("unknown error (error code %08x)."), error); + return msg; + } + + case 0: + // we want the error message to start from a lower case letter + buffer[0] = wxTolower(buffer[0]); + + return wxString(buffer); + } +} + +HRASCONN wxDialUpManagerMSW::FindActiveConnection() +{ + // enumerate connections + DWORD cbBuf = sizeof(RASCONN); + LPRASCONN lpRasConn = (LPRASCONN)malloc(cbBuf); + if ( !lpRasConn ) + { + // out of memory + return 0; + } + + lpRasConn->dwSize = sizeof(RASCONN); + + DWORD nConnections = 0; + DWORD dwRet = ERROR_BUFFER_TOO_SMALL; + + while ( dwRet == ERROR_BUFFER_TOO_SMALL ) + { + dwRet = ms_pfnRasEnumConnections(lpRasConn, &cbBuf, &nConnections); + + if ( dwRet == ERROR_BUFFER_TOO_SMALL ) + { + LPRASCONN lpRasConnOld = lpRasConn; + lpRasConn = (LPRASCONN)realloc(lpRasConn, cbBuf); + if ( !lpRasConn ) + { + // out of memory + free(lpRasConnOld); + + return 0; + } + } + else if ( dwRet == 0 ) + { + // ok, success + break; + } + else + { + // an error occured + wxLogError(_("Cannot find active dialup connection: %s"), + GetErrorString(dwRet)); + return 0; + } + } + + HRASCONN hrasconn; + + switch ( nConnections ) + { + case 0: + // no connections + hrasconn = 0; + break; + + default: + // more than 1 connection - we don't know what to do with this + // case, so give a warning but continue (taking the first + // connection) - the warning is really needed because this function + // is used, for example, to select the connection to hang up and so + // we may hang up the wrong connection here... + wxLogWarning(_("Several active dialup connections found, " + "choosing one randomly.")); + // fall through + + case 1: + // exactly 1 connection, great + hrasconn = lpRasConn->hrasconn; + } + + free(lpRasConn); + + return hrasconn; +} + +void wxDialUpManagerMSW::CleanUpThreadData() +{ + if ( m_hThread ) + { + if ( !SetEvent(m_data.hEventQuit) ) + { + wxLogLastError("SetEvent(RasThreadQuit)"); + } + + CloseHandle(m_hThread); + + m_hThread = 0; + } + + if ( m_data.hWnd ) + { + DestroyWindow(m_data.hWnd); + + m_data.hWnd = 0; + } + + if ( m_data.hEventQuit ) + { + CloseHandle(m_data.hEventQuit); + + m_data.hEventQuit = 0; + } + + if ( m_data.hEventRas ) + { + CloseHandle(m_data.hEventRas); + + m_data.hEventRas = 0; + } +} + +// ---------------------------------------------------------------------------- +// connection status +// ---------------------------------------------------------------------------- + +void wxDialUpManagerMSW::CheckRasStatus() +{ + // use int, not bool to compare with -1 + int isConnected = FindActiveConnection() != 0; + if ( isConnected != ms_isConnected ) + { + if ( ms_isConnected != -1 ) + { + // notify the program + NotifyApp(isConnected != 0); + } + // else: it's the first time we're called, just update the flag + + ms_isConnected = isConnected; + } +} + +void wxDialUpManagerMSW::NotifyApp(bool connected, bool fromOurselves) const +{ + wxDialUpEvent event(connected, fromOurselves); + (void)wxTheApp->ProcessEvent(event); +} + +// this function is called whenever the status of any RAS connection on this +// machine changes by RAS itself +void wxDialUpManagerMSW::OnConnectStatusChange() +{ + // we know that status changed, but we don't know whether we're connected + // or not - so find it out + CheckRasStatus(); +} + +// this function is called by our callback which we give to RasDial() when +// calling it asynchronously +void wxDialUpManagerMSW::OnDialProgress(RASCONNSTATE rasconnstate, + DWORD dwError) +{ + if ( !GetDialer() ) + { + // this probably means that CancelDialing() was called and we get + // "disconnected" notification + return; + } + + // we're only interested in 2 events: connected and disconnected + if ( dwError ) + { + wxLogError(_("Failed to establish dialup connection: %s"), + GetErrorString(dwError)); + + // we should still call RasHangUp() if we got a non 0 connection + if ( ms_hRasConnection ) + { + ms_pfnRasHangUp(ms_hRasConnection); + ms_hRasConnection = 0; + } + + ms_dialer = NULL; + + NotifyApp(FALSE /* !connected */, TRUE /* we dialed ourselves */); + } + else if ( rasconnstate == RASCS_Connected ) + { + ms_isConnected = TRUE; + ms_dialer = NULL; + + NotifyApp(TRUE /* connected */, TRUE /* we dialed ourselves */); + } +} + +// ---------------------------------------------------------------------------- +// implementation of wxDialUpManager functions +// ---------------------------------------------------------------------------- + +bool wxDialUpManagerMSW::IsOk() const +{ + return ms_dllRas != 0; +} + +bool wxDialUpManagerMSW::Dial(const wxString& nameOfISP, + const wxString& username, + const wxString& password, + bool async) +{ + wxCHECK_MSG( IsOk(), FALSE, _T("using uninitialized wxDialUpManager") ); + + if ( ms_hRasConnection ) + { + wxFAIL_MSG(_T("there is already an active connection")); + + return TRUE; + } + + RASDIALPARAMS rasDialParams; + rasDialParams.dwSize = sizeof(rasDialParams); + strncpy(rasDialParams.szEntryName, nameOfISP, RAS_MaxEntryName); + rasDialParams.szPhoneNumber[0] = '\0'; + rasDialParams.szCallbackNumber[0] = '\0'; + rasDialParams.szCallbackNumber[0] = '\0'; + + strncpy(rasDialParams.szUserName, username, UNLEN); + strncpy(rasDialParams.szPassword, password, PWLEN); + + rasDialParams.szDomain[0] = '*'; + rasDialParams.szDomain[1] = '\0'; + + // apparently, this is not really necessary - passing NULL instead of the + // phone book has the same effect +#if 0 + wxString phoneBook; + if ( wxGetOsVersion() == wxWINDOWS_NT ) + { + // first get the length + UINT nLen = ::GetSystemDirectory(NULL, 0); + nLen++; + + if ( !::GetSystemDirectory(phoneBook.GetWriteBuf(nLen), nLen) ) + { + wxLogSysError(_("Cannot find the location of address book file")); + } + + phoneBook.UngetWriteBuf(); + + // this is the default phone book + phoneBook << "\\ras\\rasphone.pbk"; + } +#endif // 0 + + // TODO may be we should disable auto check while async dialing is in + // progress? + + ms_dialer = this; + + DWORD dwRet = ms_pfnRasDial + ( + (LPRASDIALEXTENSIONS)NULL, // no extended features + NULL, // default phone book file (NT only) + &rasDialParams, + 0, // use callback for notifications + async ? wxRasDialFunc // the callback + : 0, // no notifications - sync operation + &ms_hRasConnection + ); + + if ( dwRet != 0 ) + { + wxLogError(_("Failed to %s dialup connection: %s"), + async ? _("initiate") : _("establish"), + GetErrorString(dwRet)); + + // we should still call RasHangUp() if we got a non 0 connection + if ( ms_hRasConnection ) + { + ms_pfnRasHangUp(ms_hRasConnection); + ms_hRasConnection = 0; + } + + ms_dialer = NULL; + + return FALSE; + } + + // for async dialing, we're not yet connected + if ( !async ) + { + ms_isConnected = TRUE; + } + + return TRUE; +} + +bool wxDialUpManagerMSW::IsDialing() const +{ + return GetDialer() != NULL; +} + +bool wxDialUpManagerMSW::CancelDialing() +{ + if ( !GetDialer() ) + { + // silently ignore + return FALSE; + } + + wxASSERT_MSG( ms_hRasConnection, _T("dialing but no connection?") ); + + ms_dialer = NULL; + + return HangUp(); +} + +bool wxDialUpManagerMSW::HangUp() +{ + wxCHECK_MSG( IsOk(), FALSE, _T("using uninitialized wxDialUpManager") ); + + // we may terminate either the connection we initiated or another one which + // is active now + HRASCONN hRasConn; + if ( ms_hRasConnection ) + { + hRasConn = ms_hRasConnection; + + ms_hRasConnection = 0; + } + else + { + hRasConn = FindActiveConnection(); + } + + if ( !hRasConn ) + { + wxLogError(_("Cannot hang up - no active dialup connection.")); + + return FALSE; + } + + DWORD dwRet = ms_pfnRasHangUp(hRasConn); + if ( dwRet != 0 ) + { + wxLogError(_("Failed to terminate the dialup connection: %s"), + GetErrorString(dwRet)); + } + + ms_isConnected = FALSE; + + return TRUE; +} + +bool wxDialUpManagerMSW::IsOnline() const +{ + wxCHECK_MSG( IsOk(), FALSE, _T("using uninitialized wxDialUpManager") ); + + if ( ms_userSpecifiedOnlineStatus != -1 ) + { + // user specified flag overrides our logic + return ms_userSpecifiedOnlineStatus != 0; + } + else + { + // return TRUE if there is at least one active connection + return FindActiveConnection() != 0; + } +} + +void wxDialUpManagerMSW::SetOnlineStatus(bool isOnline) +{ + wxCHECK_RET( IsOk(), _T("using uninitialized wxDialUpManager") ); + + ms_userSpecifiedOnlineStatus = isOnline; +} + +bool wxDialUpManagerMSW::EnableAutoCheckOnlineStatus(size_t nSeconds) +{ + wxCHECK_MSG( IsOk(), FALSE, _T("using uninitialized wxDialUpManager") ); + + bool ok = ms_pfnRasConnectionNotification != 0; + + if ( ok ) + { + // we're running under NT 4.0, Windows 98 or later and can use + // RasConnectionNotification() to be notified by a secondary thread + + // first, see if we don't have this thread already running + if ( m_hThread != 0 ) + { + DWORD dwSuspendCount = 2; + while ( dwSuspendCount > 1 ) + { + dwSuspendCount = ResumeThread(m_hThread); + if ( dwSuspendCount == (DWORD)-1 ) + { + wxLogLastError("ResumeThread(RasThread)"); + + ok = FALSE; + } + } + + if ( ok ) + { + return TRUE; + } + } + } + + // create all the stuff we need to be notified about RAS connection + // status change + + if ( ok ) + { + // first create an event to wait on + m_data.hEventRas = CreateEvent + ( + NULL, // security attribute (default) + FALSE, // manual reset (not) + FALSE, // initial state (not signaled) + NULL // name (no) + ); + if ( !m_data.hEventRas ) + { + wxLogLastError("CreateEvent(RasStatus)"); + + ok = FALSE; + } + } + + if ( ok ) + { + // create the event we use to quit the thread + m_data.hEventQuit = CreateEvent(NULL, FALSE, FALSE, NULL); + if ( !m_data.hEventQuit ) + { + wxLogLastError("CreateEvent(RasThreadQuit)"); + + CleanUpThreadData(); + + ok = FALSE; + } + } + + if ( ok ) + { + // create a hidden window to receive notification about connections + // status change + extern wxChar wxPanelClassName[]; + m_data.hWnd = ::CreateWindow(wxPanelClassName, NULL, + 0, 0, 0, 0, + 0, NULL, + (HMENU)NULL, wxGetInstance(), 0); + if ( !m_data.hWnd ) + { + wxLogLastError("CreateWindow(RasHiddenWindow)"); + + CleanUpThreadData(); + + ok = FALSE; + } + + // and subclass it + FARPROC windowProc = MakeProcInstance + ( + (FARPROC)wxRasStatusWindowProc, + wxGetInstance() + ); + + ::SetWindowLong(m_data.hWnd, GWL_WNDPROC, (LONG) windowProc); + } + + if ( ok ) + { + // start the secondary thread + m_data.dialUpManager = this; + + DWORD tid; + m_hThread = CreateThread + ( + NULL, + 0, + (LPTHREAD_START_ROUTINE)wxRasMonitorThread, + (void *)&m_data, + 0, + &tid + ); + + if ( !m_hThread ) + { + wxLogLastError("CreateThread(RasStatusThread)"); + + CleanUpThreadData(); + } + } + + if ( ok ) + { + // start receiving RAS notifications + DWORD dwRet = ms_pfnRasConnectionNotification + ( + (HRASCONN)INVALID_HANDLE_VALUE, + m_data.hEventRas, + 3 /* RASCN_Connection | RASCN_Disconnection */ + ); + + if ( dwRet != 0 ) + { + wxLogDebug(_T("RasConnectionNotification() failed: %s"), + GetErrorString(dwRet)); + + CleanUpThreadData(); + } + else + { + return TRUE; + } + } + + // we're running under Windows 95 and have to poll ourselves + // (or, alternatively, the code above for NT/98 failed) + m_timerStatusPolling.Stop(); + if ( nSeconds == 0 ) + { + // default value + nSeconds = 60; + } + m_timerStatusPolling.Start(nSeconds * 1000); + + return TRUE; +} + +void wxDialUpManagerMSW::DisableAutoCheckOnlineStatus() +{ + wxCHECK_RET( IsOk(), _T("using uninitialized wxDialUpManager") ); + + if ( m_hThread ) + { + // we have running secondary thread, it's just enough to suspend it + if ( SuspendThread(m_hThread) == (DWORD)-1 ) + { + wxLogLastError("SuspendThread(RasThread)"); + } + } + else + { + // even simpler - just stop the timer + m_timerStatusPolling.Stop(); + } +} + +// ---------------------------------------------------------------------------- +// stubs which don't do anything in MSW version +// ---------------------------------------------------------------------------- + +void wxDialUpManagerMSW::SetWellKnownHost(const wxString& WXUNUSED(hostname), + int WXUNUSED(port)) +{ + wxCHECK_RET( IsOk(), _T("using uninitialized wxDialUpManager") ); + + // nothing to do - we don't use this +} + +void wxDialUpManagerMSW::SetConnectCommand(const wxString& WXUNUSED(dial), + const wxString& WXUNUSED(hangup)) +{ + wxCHECK_RET( IsOk(), _T("using uninitialized wxDialUpManager") ); + + // nothing to do - we don't use this +} + +// ---------------------------------------------------------------------------- +// callbacks +// ---------------------------------------------------------------------------- + +static DWORD wxRasMonitorThread(wxRasThreadData *data) +{ + HANDLE handles[2]; + handles[0] = data->hEventRas; + handles[1] = data->hEventQuit; + + bool cont = TRUE; + while ( cont ) + { + DWORD dwRet = WaitForMultipleObjects(2, handles, FALSE, INFINITE); + + switch ( dwRet ) + { + case WAIT_OBJECT_0: + // RAS connection status changed + SendMessage(data->hWnd, wxWM_RAS_STATUS_CHANGED, + 0, (LPARAM)data); + break; + + case WAIT_OBJECT_0 + 1: + cont = FALSE; + break; + + case WAIT_FAILED: + wxLogLastError("WaitForMultipleObjects(RasMonitor)"); + break; + } + } + + return 0; +} + +static LRESULT APIENTRY wxRasStatusWindowProc(HWND hWnd, UINT message, + WPARAM wParam, LPARAM lParam) +{ + if ( message == wxWM_RAS_STATUS_CHANGED ) + { + wxRasThreadData *data = (wxRasThreadData *)lParam; + data->dialUpManager->OnConnectStatusChange(); + } + + return 0; +} + +static void WINAPI wxRasDialFunc(UINT unMsg, + RASCONNSTATE rasconnstate, + DWORD dwError) +{ + wxDialUpManagerMSW *dialUpManager = wxDialUpManagerMSW::GetDialer(); + + wxCHECK_RET( dialUpManager, _T("who started to dial then?") ); + + dialUpManager->OnDialProgress(rasconnstate, dwError); +} + +#endif // wxUSE_DIALUP_MANAGER diff --git a/src/unix/net.cpp b/src/unix/dialup.cpp similarity index 95% rename from src/unix/net.cpp rename to src/unix/dialup.cpp index 04369bb929..55b6355bdb 100644 --- a/src/unix/net.cpp +++ b/src/unix/dialup.cpp @@ -1,5 +1,5 @@ // -*- c++ -*- /////////////////////////////////////////////////////////////// -// Name: unix/net.cpp +// Name: unix/dialup.cpp // Purpose: Network related wxWindows classes and functions // Author: Karsten Ballüder // Modified by: @@ -89,11 +89,12 @@ public: */ virtual bool Dial(const wxString& nameOfISP, const wxString& WXUNUSED(username), - const wxString& WXUNUSED(password)); + const wxString& WXUNUSED(password), + bool async); /// Hang up the currently active dial up connection. virtual bool HangUp(); - + // returns TRUE if the computer is connected to the network: under Windows, // this just means that a RAS connection exists, under Unix we check that // the "well-known host" (as specified by SetWellKnownHost) is reachable @@ -143,7 +144,7 @@ public: private: /// -1: don´t know, 0 = no, 1 = yes int m_IsOnline; - + /// Can we use ifconfig to list active devices? int m_CanUseIfconfig; /// The path to ifconfig @@ -197,7 +198,8 @@ public: bool wxDialUpManagerImpl::Dial(const wxString &isp, const wxString & WXUNUSED(username), - const wxString & WXUNUSED(password)) + const wxString & WXUNUSED(password), + bool async) { if(m_IsOnline == 1) return FALSE; @@ -208,7 +210,15 @@ wxDialUpManagerImpl::Dial(const wxString &isp, cmd.Printf(m_ConnectCommand,m_ISPname.c_str()); else cmd = m_ConnectCommand; - return wxExecute(cmd, /* sync */ TRUE) == 0; + + if ( async ) + { + wxFAIL_MSG(_T("TODO")); + } + else + { + return wxExecute(cmd, /* sync */ TRUE) == 0; + } } bool @@ -297,7 +307,7 @@ wxDialUpManagerImpl::CheckStatus(void) const 3. check /proc/net/dev on linux?? This method should be preferred, if possible. Need to do more testing. - + */ void @@ -319,7 +329,7 @@ wxDialUpManagerImpl::CheckStatusInternal(void) if(m_CanUseIfconfig != 0) // unknown or yes { wxASSERT(m_IfconfigPath.length()); - + wxString tmpfile = wxGetTempFileName("_wxdialuptest"); wxString cmd = m_IfconfigPath; cmd << " >" << tmpfile; @@ -345,22 +355,22 @@ wxDialUpManagerImpl::CheckStatusInternal(void) // second method: try to connect to well known host: struct hostent *hp; struct sockaddr_in serv_addr; - int sockfd; + int sockfd; m_IsOnline = 0; // assume false if((hp = gethostbyname(m_BeaconHost)) == NULL) return; // no DNS no net - - serv_addr.sin_family = hp->h_addrtype; + + serv_addr.sin_family = hp->h_addrtype; memcpy(&serv_addr.sin_addr,hp->h_addr, hp->h_length); - serv_addr.sin_port = htons(m_BeaconPort); - if( ( sockfd = socket(hp->h_addrtype, SOCK_STREAM, 0)) < 0) - { + serv_addr.sin_port = htons(m_BeaconPort); + if( ( sockfd = socket(hp->h_addrtype, SOCK_STREAM, 0)) < 0) + { // sys_error("cannot create socket for gw"); return; } if( connect(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) - { + { //sys_error("cannot connect to server"); return; }