440 lines
13 KiB
C
440 lines
13 KiB
C
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/*++
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Copyright (c) 1999 Microsoft Corporation
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Module Name:
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line.h
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Abstract:
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Definitions for H.323 TAPI Service Provider line device.
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Author:
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Nikhil Bobde (NikhilB)
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Revision History:
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--*/
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#ifndef _LINE_H_
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#define _LINE_H_
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//
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// Header files
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//
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#include "call.h"
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extern H323_OCTETSTRING g_ProductID;
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extern H323_OCTETSTRING g_ProductVersion;
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enum LINEOBJECT_STATE
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{
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LINEOBJECT_INITIALIZED = 0x00000001,
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LINEOBJECT_SHUTDOWN = 0x00000002,
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};
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//
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// Line device GUID
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//
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DEFINE_GUID(LINE_H323,
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0xe41e1898, 0x7292, 0x11d2, 0xba, 0xd6, 0x00, 0xc0, 0x4f, 0x8e, 0xf6, 0xe3);
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//
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// Line capabilities
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//
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#define H323_MAXADDRSPERLINE 1
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#define H323_MAXCALLSPERADDR 32768
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#define H323_LINE_ADDRESSMODES LINEADDRESSMODE_ADDRESSID
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#define H323_LINE_ADDRESSTYPES (LINEADDRESSTYPE_DOMAINNAME | \
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LINEADDRESSTYPE_IPADDRESS | \
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LINEADDRESSTYPE_PHONENUMBER | \
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LINEADDRESSTYPE_EMAILNAME)
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#define H323_LINE_BEARERMODES (LINEBEARERMODE_DATA | \
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LINEBEARERMODE_VOICE)
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#define H323_LINE_DEFMEDIAMODES LINEMEDIAMODE_AUTOMATEDVOICE
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#define H323_LINE_DEVCAPFLAGS (LINEDEVCAPFLAGS_CLOSEDROP | \
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LINEDEVCAPFLAGS_MSP | \
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LINEDEVCAPFLAGS_LOCAL )
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#define H323_LINE_DEVSTATUSFLAGS (LINEDEVSTATUSFLAGS_CONNECTED | \
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LINEDEVSTATUSFLAGS_INSERVICE)
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#define H323_LINE_MAXRATE 1048576 //1 mbps
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#define H323_LINE_MEDIAMODES (H323_LINE_DEFMEDIAMODES | \
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LINEMEDIAMODE_INTERACTIVEVOICE | \
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LINEMEDIAMODE_VIDEO)
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#define H323_LINE_LINEFEATURES (LINEFEATURE_MAKECALL | \
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LINEFEATURE_FORWARD | \
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LINEFEATURE_FORWARDFWD )
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//
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// Type definitions
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//
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typedef enum _H323_LINESTATE
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{
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H323_LINESTATE_NONE = 0, //before call to LineOPen
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H323_LINESTATE_OPENED, //after call to lineOpen
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H323_LINESTATE_OPENING,
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H323_LINESTATE_CLOSING,
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H323_LINESTATE_LISTENING
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} H323_LINESTATE, *PH323_LINESTATE;
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typedef struct _TAPI_LINEREQUEST_DATA
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{
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DWORD EventID;
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HDRVCALL hdCall1;
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union {
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HDRVCALL hdCall2;
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DWORD dwDisconnectMode;
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};
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WORD wCallReference;
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} TAPI_LINEREQUEST_DATA;
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typedef struct _CTCALLID_CONTEXT
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{
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int iCTCallIdentity;
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HDRVCALL hdCall;
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}CTCALLID_CONTEXT, *PCTCALLID_CONTEXT;
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typedef struct _MSPHANDLEENTRY
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{
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struct _MSPHANDLEENTRY* next;
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HTAPIMSPLINE htMSPLine;
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HDRVMSPLINE hdMSPLine;
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} MSPHANDLEENTRY;
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typedef TSPTable<PCTCALLID_CONTEXT> CTCALLID_TABLE;
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class CH323Line
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{
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CRITICAL_SECTION m_CriticalSection; // synchronization object
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H323_LINESTATE m_nState; // state of line object
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DWORD m_dwTSPIVersion; // tapi selected version
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DWORD m_dwMediaModes; // tapi selected media modes
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H323_CALL_TABLE m_H323CallTable; // table of allocated calls
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H323_VENDORINFO m_VendorInfo;
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DWORD m_dwDeviceID; // tapi line device id
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WCHAR m_wszAddr[H323_MAXADDRNAMELEN+1]; // line address
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HDRVLINE m_hdLine; // tspi line handle
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DWORD m_dwInitState;
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HDRVMSPLINE m_hdNextMSPHandle; // bogus msp handle count
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H323_CONF_TABLE m_H323ConfTable; // table of allocated calls
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CALLFORWARDPARAMS* m_pCallForwardParams;
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DWORD m_dwInvokeID;
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CTCALLID_TABLE m_CTCallIDTable;
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MSPHANDLEENTRY* m_MSPHandleList;
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void ShutdownAllCalls(void);
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void ShutdownCTCallIDTable();
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PH323_CALL CreateNewTransferedCall( IN PH323_ALIASNAMES pwszCalleeAddr );
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public:
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//public data members
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BOOLEAN m_fForwardConsultInProgress;
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DWORD m_dwNumRingsNoAnswer;
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HTAPILINE m_htLine; // tapi line handle
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//public functions
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CH323Line();
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BOOL Initialize( DWORD dwLineDeviceIDBase );
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~CH323Line();
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void Shutdown(void);
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void RemoveFromCTCallIdentityTable( HDRVCALL hdCall );
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HDRVCALL GetCallFromCTCallIdentity( int iCTCallID );
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int GetCTCallIdentity( IN HDRVCALL hdCall );
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void SetCallForwardParams( IN CALLFORWARDPARAMS* pCallForwardParams );
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BOOL SetCallForwardParams( IN LPFORWARDADDRESS pForwardAddress );
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PH323_CALL FindH323CallAndLock( IN HDRVCALL hdCall );
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PH323_CALL FindCallByARQSeqNumAndLock( WORD seqNumber );
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PH323_CALL FindCallByDRQSeqNumAndLock( WORD seqNumber );
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PH323_CALL FindCallByCallRefAndLock( WORD wCallRef );
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PH323_CALL Find2H323CallsAndLock( IN HDRVCALL hdCall1,
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IN HDRVCALL hdCall2, OUT PH323_CALL * ppCall2 );
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BOOL AddMSPInstance( HTAPIMSPLINE htMSPLine, HDRVMSPLINE hdMSPLine );
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BOOL IsValidMSPHandle( HDRVMSPLINE hdMSPLine, HTAPIMSPLINE* phtMSPLine );
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BOOL DeleteMSPInstance( HTAPIMSPLINE* phtMSPLine,
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HDRVMSPLINE hdMSPLine );
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LONG Close();
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LONG CopyLineInfo(DWORD dwDeviceID, LPLINEADDRESSCAPS pAddressCaps );
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void H323ReleaseCall( HDRVCALL hdCall, IN DWORD dwDisconnectMode,
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IN WORD wCallReference );
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BOOL CallReferenceDuped(WORD wCallReference);
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//supplementary services functionality
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LONG CopyAddressForwardInfo( IN LPLINEADDRESSSTATUS lpAddressStatus );
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PH323_ALIASITEM CallToBeDiverted( IN WCHAR* pwszCallerName,
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IN DWORD dwCallerNameSize, IN DWORD dwForwardMode );
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void PlaceDivertedCall( IN HDRVCALL hdCall,
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IN PH323_ALIASNAMES pDivertedToAlias );
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void PlaceTransferedCall(IN HDRVCALL hdCall,
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IN PH323_ALIASNAMES pTransferedToAlias);
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void SwapReplacementCall(
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HDRVCALL hdReplacementCall,
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HDRVCALL hdPrimaryCall,
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BOOL fChangeCallState );
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H323_CONF_TABLE* GetH323ConfTable()
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{
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return &m_H323ConfTable;
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}
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HDRVMSPLINE GetNextMSPHandle()
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{
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return ++m_hdNextMSPHandle;
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}
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HDRVLINE GetHDLine()
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{
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return m_hdLine;
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}
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DWORD GetDeviceID()
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{
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return m_dwDeviceID;
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}
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PH323_CALL
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GetCallAtIndex( int iIndex )
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{
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return m_H323CallTable[iIndex];
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}
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CALLFORWARDPARAMS* GetCallForwardParams()
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{
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return m_pCallForwardParams;
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}
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BOOL ForwardEnabledForAllOrigins(void)
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{
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return
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(
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m_pCallForwardParams &&
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(m_pCallForwardParams ->fForwardForAllOrigins == TRUE) &&
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(m_pCallForwardParams ->fForwardingEnabled = TRUE)
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);
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}
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H323_VENDORINFO *GetVendorInfo()
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{
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return &m_VendorInfo;
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}
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WCHAR * GetMachineName()
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{
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return m_wszAddr;
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}
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//!!must be always called in a lock
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WORD GetNextInvokeID()
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{
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return (WORD)InterlockedIncrement( (LONG*)&m_dwInvokeID );
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}
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BOOL IsValidAddressID( DWORD dwID )
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{
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return (dwID == 0);
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}
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void Lock()
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{
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H323DBG(( DEBUG_LEVEL_VERBOSE, "H323 line waiting on lock." ));
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EnterCriticalSection( &m_CriticalSection );
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H323DBG(( DEBUG_LEVEL_VERBOSE, "H323 line locked." ));
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}
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void Unlock()
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{
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LeaveCriticalSection( &m_CriticalSection );
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H323DBG(( DEBUG_LEVEL_VERBOSE, "H323 line unlocked." ));
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}
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int GetNoOfCalls()
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{
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DWORD dwNumCalls;
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LockCallTable();
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dwNumCalls = m_H323CallTable.GetSize();
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UnlockCallTable();
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return dwNumCalls;
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}
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//!!must be always called after locking the call table.
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int GetCallTableSize()
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{
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return m_H323CallTable.GetAllocSize();
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}
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//!This function should not be called while holding a lock on a call object
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//!When called from shutdown the calltable object is locked before the call object, so its OK.
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void RemoveCallFromTable(
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HDRVCALL hdCall
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)
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{
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m_H323CallTable.RemoveAt( LOWORD(hdCall) );
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}
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//!This function should not be called while holding a lock on a call object
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int AddCallToTable(
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PH323_CALL pCall
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)
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{
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return m_H323CallTable.Add( pCall );
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}
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void DisableCallForwarding()
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{
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H323DBG(( DEBUG_LEVEL_TRACE, "DisableCallForwarding -Entered" ));
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if( m_pCallForwardParams != NULL )
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{
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FreeCallForwardParams( m_pCallForwardParams );
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m_pCallForwardParams = NULL;
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}
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H323DBG(( DEBUG_LEVEL_TRACE, "DisableCallForwarding -Exited" ));
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}
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//!This function should not be called while holding a lock on a call object
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void LockCallTable()
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{
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H323DBG(( DEBUG_LEVEL_TRACE, "Waiting on call table lock - %p.",
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m_H323CallTable ));
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m_H323CallTable.Lock();
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H323DBG(( DEBUG_LEVEL_TRACE, "Call table locked - %p.",
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m_H323CallTable ));
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}
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void UnlockCallTable()
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{
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m_H323CallTable.Unlock();
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H323DBG(( DEBUG_LEVEL_TRACE, "Call table lock released - %p.",
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m_H323CallTable ));
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}
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H323_LINESTATE GetState()
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{
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return m_nState;
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}
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void SetState( H323_LINESTATE nState )
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{
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m_nState = nState;
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}
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DWORD GetMediaModes()
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{
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return m_dwMediaModes;
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}
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void SetMediaModes(
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DWORD dwMediaModes
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)
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{
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m_dwMediaModes = dwMediaModes;
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}
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BOOL IsMediaDetectionEnabled()
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{
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return (m_dwMediaModes != 0) &&
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(m_dwMediaModes != LINEMEDIAMODE_UNKNOWN);
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}
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LONG Open (
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IN DWORD DeviceID,
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IN HTAPILINE TapiLine,
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IN DWORD TspiVersion,
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OUT HDRVLINE * ReturnDriverLine);
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};
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//
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// Address capabilities
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//
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#define H323_NUMRINGS_LO 4
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#define H323_NUMRINGS_NOANSWER 8
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#define H323_NUMRINGS_HI 12
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#define H323_ADDR_ADDRESSSHARING LINEADDRESSSHARING_PRIVATE
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#define H323_ADDR_ADDRFEATURES (LINEADDRFEATURE_MAKECALL | LINEADDRFEATURE_FORWARD)
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#define H323_ADDR_CALLFEATURES (LINECALLFEATURE_ACCEPT | \
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LINECALLFEATURE_ANSWER | \
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LINECALLFEATURE_DROP | \
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LINECALLFEATURE_RELEASEUSERUSERINFO | \
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LINECALLFEATURE_SENDUSERUSER | \
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||
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LINECALLFEATURE_MONITORDIGITS | \
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||
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LINECALLFEATURE_GENERATEDIGITS)
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||
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#define H323_ADDR_CALLINFOSTATES LINECALLINFOSTATE_MEDIAMODE
|
||
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#define H323_ADDR_CALLPARTYIDFLAGS LINECALLPARTYID_NAME
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||
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#define H323_ADDR_CALLSTATES (H323_CALL_INBOUNDSTATES | \
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||
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|
H323_CALL_OUTBOUNDSTATES)
|
||
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|
#define H323_ADDR_CAPFLAGS (LINEADDRCAPFLAGS_DIALED | \
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||
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|
LINEADDRCAPFLAGS_ORIGOFFHOOK)
|
||
|
|
/*LINEADDRCAPFLAGS_FWDCONSULT )*/
|
||
|
|
|
||
|
|
#define H323_ADDR_DISCONNECTMODES (LINEDISCONNECTMODE_BADADDRESS | \
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||
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|
LINEDISCONNECTMODE_BUSY | \
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||
|
|
LINEDISCONNECTMODE_NOANSWER | \
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||
|
|
LINEDISCONNECTMODE_NORMAL | \
|
||
|
|
LINEDISCONNECTMODE_REJECT | \
|
||
|
|
LINEDISCONNECTMODE_UNAVAIL)
|
||
|
|
|
||
|
|
|
||
|
|
extern CH323Line g_H323Line;
|
||
|
|
#define g_pH323Line (&g_H323Line)
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
QueueTAPILineRequest(
|
||
|
|
IN DWORD EventID,
|
||
|
|
IN HDRVCALL hdCall1,
|
||
|
|
IN HDRVCALL hdCall2,
|
||
|
|
IN DWORD dwDisconnectMode,
|
||
|
|
IN WORD wCallReference);
|
||
|
|
|
||
|
|
|
||
|
|
static DWORD
|
||
|
|
ProcessTAPILineRequestFre(
|
||
|
|
IN PVOID ContextParam
|
||
|
|
);
|
||
|
|
|
||
|
|
#endif // _LINE_H_
|