154 lines
4.7 KiB
C++
154 lines
4.7 KiB
C++
//*********************************************************************
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//* Microsoft Windows **
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//* Copyright(c) Microsoft Corp., 1994-1995 **
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//*********************************************************************
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//
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// DIALMON.H - central header file for dial monitor app
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//
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// HISTORY:
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//
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// 4/18/95 jeremys Created.
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//
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#ifndef _DIALMON_H_
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#define _DIALMON_H_
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#include <regstr.h>
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// We need winver 4.00 so ras doesn't puke on our new structure sizes in
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// RasEnumConnections.
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#undef WINVER
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#define WINVER 0x400
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#include <ras.h>
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#include <raserror.h>
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// how to tell dialmon that something is going on
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void IndicateDialmonActivity(void);
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// give user 30 seconds to respond to dialog
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#define DISCONNECT_DLG_COUNTDOWN 30
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// truncate and add "..." if connectoid name longer than 20 characters
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#define MAX_CONNECTOID_DISPLAY_LEN 50
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// private message sent to disconnect dialog to dismiss it
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#define WM_QUIT_DISCONNECT_DLG WM_USER+50
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// sizes of various unknown things
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#define MAX_RES_LEN 255
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#define DEF_CONN_BUF_SIZE 4096
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// class name used for dial monitoring
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#define AUTODIAL_MONITOR_CLASS_NAME "MS_AutodialMonitor"
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// max ras connections we care about
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#define MAX_CONNECTION 8
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// forward declaration
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class BUFFER;
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///////////////////////////////////////////////////////////////////////////
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//
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// CDialMon class definition
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//
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///////////////////////////////////////////////////////////////////////////
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class CDialMon
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{
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private:
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BOOL _fInDisconnectFunction; // prevent dialog reentrancy
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DWORD _dwTimeoutMins; // timeout value, in minutes
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DWORD _dwElapsedTicks; // elapsed ticks with no activity
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BOOL _fNoTimeout; // monitor idle or just exit?
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BOOL _fDisconnectOnExit;
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BOOL _fConnected;
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TCHAR _pszConnectoidName[RAS_MaxEntryName+1];
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// name of connectoid of interest
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UINT_PTR _uIdleTimerID; // timer id on parent window
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HWND _hwndDialmon;
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public:
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HWND _hDisconnectDlg;
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CDialMon();
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~CDialMon();
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void OnSetConnectoid(BOOL fNoTimeout);
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void OnActivity(void);
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void OnTimer(UINT_PTR uTimerID);
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void OnExplorerExit();
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void ResetElapsedTicks(){ _dwElapsedTicks = 0; }
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// Set DEBUG_KV to 1 here if you need to test hangup logic
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// without actually having a dailup connection.
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//#define DEBUG_KV 1
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#ifdef DEBUG_KV
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// wrapper over private fn. StartMonitoring when we need to debug without
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// actually having a dial-up connection.
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void kvStartMonitoring(){ StartMonitoring(); }
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#endif
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private:
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BOOL StartMonitoring(void);
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void StopMonitoring(void);
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INT_PTR StartIdleTimer(void);
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void StopIdleTimer(void);
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void CheckForDisconnect(BOOL fTimer);
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BOOL PromptForDisconnect(BOOL fTimer, BOOL *pfDisconnectDisabled);
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BOOL RefreshTimeoutSettings(void);
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BOOL LoadRNADll(void);
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void UnloadRNADll(void);
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};
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// structure for passing params to disconnect prompt dialog
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typedef struct tagDISCONNECTDLGINFO {
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LPTSTR pszConnectoidName; // input: name of connectoid
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DWORD dwTimeout; // input: idle timeout in minutes
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BOOL fTimer; // input: timer or shutdown?
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DWORD dwCountdownVal; // internal: state of countdown in dialog
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BOOL fDisconnectDisabled; // output: TRUE if disconnect disabled
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CDialMon *pDialMon; // pointer back to dialmon class
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} DISCONNECTDLGINFO;
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///////////////////////////////////////////////////////////////////////////
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//
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// BUFFER class and helpers
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//
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///////////////////////////////////////////////////////////////////////////
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class BUFFER_BASE
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{
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protected:
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UINT _cch;
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virtual BOOL Alloc( UINT cchBuffer ) = 0;
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virtual BOOL Realloc( UINT cchBuffer ) = 0;
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public:
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BUFFER_BASE() { _cch = 0; }
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~BUFFER_BASE() { _cch = 0; }
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BOOL Resize( UINT cchNew );
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UINT QuerySize() const { return _cch; };
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};
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class BUFFER : public BUFFER_BASE
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{
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protected:
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TCHAR *_lpBuffer;
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virtual BOOL Alloc( UINT cchBuffer );
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virtual BOOL Realloc( UINT cchBuffer );
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public:
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BUFFER( UINT cchInitial=0 );
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~BUFFER();
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BOOL Resize( UINT cchNew );
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TCHAR * QueryPtr() const { return (TCHAR *)_lpBuffer; }
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operator TCHAR *() const { return (TCHAR *)_lpBuffer; }
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};
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#endif
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