112 lines
3.6 KiB
C
112 lines
3.6 KiB
C
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//+----------------------------------------------------------------------------
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//
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// File: contable.h
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//
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// Module: CMCONTBL.LIB
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//
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// Synopsis: Header file declaring CConnectionTable
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//
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// Copyright (c) 1998-1999 Microsoft Corporation
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//
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// Author: nickball Created 02/02/98
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//
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//+----------------------------------------------------------------------------
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#include <ras.h>
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#include <raserror.h>
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const int MAX_CM_CONNECTIONS = 32;
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//
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// Data types used by Connection Table and clients
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//
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typedef enum _CmConnectState {
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CM_DISCONNECTED, // unused entry
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CM_DISCONNECTING, // in the process of disconnecting
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CM_RECONNECTPROMPT, // prompting user to reconnect
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CM_CONNECTING, // actively connecting
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CM_CONNECTED, // fully connected
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} CmConnectState;
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typedef struct Cm_Connection
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{
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DWORD dwUsage; // Reference count
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TCHAR szEntry[RAS_MaxEntryName + 1]; // Name of entry/profile
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BOOL fAllUser; // Is the entry "All user"
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CmConnectState CmState; // Current state
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HRASCONN hDial; // Dial-up RAS handle
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HRASCONN hTunnel; // Tunnel RAS handle
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} CM_CONNECTION, * LPCM_CONNECTION;
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typedef struct Cm_Connection_Table
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{
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HWND hwndCmMon; // the CMMON32.EXE window handle
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CM_CONNECTION Connections[MAX_CM_CONNECTIONS]; // a list of connections.
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} CM_CONNECTION_TABLE, * LPCM_CONNECTION_TABLE;
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//
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// Class declaration
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//
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class CConnectionTable
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{
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private:
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HANDLE m_hMap; // Handle of file mapping
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LPCM_CONNECTION_TABLE m_pConnTable; // Pointer to mapped view of file
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BOOL m_fLocked; // Internal error checking
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HANDLE m_hEvent; // Event handle for locking
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protected:
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HRESULT LockTable();
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HRESULT UnlockTable();
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HRESULT FindEntry(LPCTSTR pszEntry,
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LPINT piID);
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HRESULT FindEntry(HRASCONN hRasConn,
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LPINT piID);
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HRESULT FindUnused(LPINT piID);
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public:
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CConnectionTable(); // ctor
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~CConnectionTable(); // dtor
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HRESULT Create(); // creates a new table, fails if existing
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HRESULT Open(); // opens an existing table
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HRESULT Close(); // closes an existing table
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HRESULT AddEntry(LPCTSTR pszEntry, BOOL fAllUser); // adds a connection entry to the table
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HRESULT RemoveEntry(LPCTSTR pszEntry); // removes a connection entry from the table
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HRESULT GetMonitorWnd(HWND *phWnd); // fills phWnd with HWND of CMMON in the table
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HRESULT SetMonitorWnd(HWND hwndMonitor); // assigns the hwnd of CMMON in the table
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HRESULT GetEntry(LPCTSTR pszEntry, // Fills the specified CM_CONNECTION structure
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LPCM_CONNECTION pConnection); // with the data for pszEntry
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HRESULT GetEntry(HRASCONN hRasConn, // Fills the specified CM_CONNECTION structure
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LPCM_CONNECTION pConnection); // with the data for hRasConn
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HRESULT SetConnected(LPCTSTR pszEntry, // sets the connection to the connected state, hDial required
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HRASCONN hDial,
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HRASCONN hTunnel);
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HRESULT SetDisconnecting(LPCTSTR pszEntry); // sets the connection to the disconnected state
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HRESULT SetPrompting(LPCTSTR pszEntry); // sets the connection to the prompting state
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HRESULT ClearEntry(LPCTSTR pszEntry); // clears the entry regardless of usage count
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};
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