372 lines
12 KiB
C
372 lines
12 KiB
C
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/*++
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Copyright (c) 1997 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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Environment:
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User Mode - Win32
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Revision History:
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--*/
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#ifndef _INC_LINE
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#define _INC_LINE
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Header files //
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// //
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///////////////////////////////////////////////////////////////////////////////
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#include "call.h"
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Line device GUID //
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// //
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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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// //
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// Type definitions //
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// //
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///////////////////////////////////////////////////////////////////////////////
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typedef enum _H323_LINESTATE {
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H323_LINESTATE_ALLOCATED = 0,
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H323_LINESTATE_WAITING_FOR_ID,
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H323_LINESTATE_CLOSED,
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H323_LINESTATE_OPENED,
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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 _H323_LINE {
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CRITICAL_SECTION Lock; // synchronization object
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H323_LINESTATE nState; // state of line object
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BOOL fIsMarkedForDeletion; // additional state
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// DWORD dwIPAddr; // network interface ip address
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// DWORD dwIPPort; // network interface ip port
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DWORD dwNextPort; // next rtp/rtcp port
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HDRVLINE hdLine; // tspi line handle
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HTAPILINE htLine; // tapi line handle
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DWORD dwDeviceID; // tapi line device id
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DWORD dwTSPIVersion; // tapi selected version
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DWORD dwMediaModes; // tapi selected media modes
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DWORD dwNextMSPHandle; // bogus msp handle count
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CC_HLISTEN hccListen; // intelcc listen handle
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PH323_CALL_TABLE pCallTable; // table of allocated calls
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WCHAR wszAddr[H323_MAXADDRNAMELEN+1]; // line address
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} H323_LINE, *PH323_LINE;
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typedef struct _H323_LINE_TABLE {
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DWORD dwNumSlots; // number of entries
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DWORD dwNumInUse; // number of entries in use
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DWORD dwNumAllocated; // number of entries allocated
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DWORD dwNextAvailable; // next available table index
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PH323_LINE pLines[ANYSIZE]; // array of object pointers
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} H323_LINE_TABLE, *PH323_LINE_TABLE;
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Global variables //
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// //
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///////////////////////////////////////////////////////////////////////////////
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extern PH323_LINE_TABLE g_pLineTable;
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Line capabilities //
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// //
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///////////////////////////////////////////////////////////////////////////////
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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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#define H323_LINE_DEVSTATUSFLAGS (LINEDEVSTATUSFLAGS_CONNECTED | \
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LINEDEVSTATUSFLAGS_INSERVICE)
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#define H323_LINE_MAXRATE 1048576
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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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///////////////////////////////////////////////////////////////////////////////
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// //
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// Address capabilities //
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// //
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///////////////////////////////////////////////////////////////////////////////
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#define H323_ADDR_ADDRESSSHARING LINEADDRESSSHARING_PRIVATE
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#define H323_ADDR_ADDRFEATURES LINEADDRFEATURE_MAKECALL
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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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LINECALLFEATURE_MONITORDIGITS | \
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LINECALLFEATURE_GENERATEDIGITS)
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#define H323_ADDR_CALLINFOSTATES LINECALLINFOSTATE_MEDIAMODE
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#define H323_ADDR_CALLPARTYIDFLAGS LINECALLPARTYID_NAME
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#define H323_ADDR_CALLERIDFLAGS (LINECALLPARTYID_NAME | \
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LINECALLPARTYID_ADDRESS)
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#define H323_ADDR_CALLEDIDFLAGS LINECALLPARTYID_NAME
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#define H323_ADDR_CALLSTATES (H323_CALL_INBOUNDSTATES | \
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H323_CALL_OUTBOUNDSTATES)
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#define H323_ADDR_CAPFLAGS (LINEADDRCAPFLAGS_DIALED | \
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LINEADDRCAPFLAGS_ORIGOFFHOOK)
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#define H323_ADDR_DISCONNECTMODES (LINEDISCONNECTMODE_BADADDRESS | \
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LINEDISCONNECTMODE_BUSY | \
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LINEDISCONNECTMODE_NOANSWER | \
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LINEDISCONNECTMODE_NORMAL | \
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LINEDISCONNECTMODE_REJECT | \
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LINEDISCONNECTMODE_UNAVAIL)
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Macros //
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// //
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///////////////////////////////////////////////////////////////////////////////
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#define H323IsLineAllocated(_pLine_) \
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((_pLine_) != NULL)
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#define H323IsLineInUse(_pLine_) \
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(H323IsLineAllocated(_pLine_) && \
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((_pLine_)->nState > H323_LINESTATE_ALLOCATED))
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#define H323IsLineEqual(_pLine_,_hdLine_) \
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(H323IsLineInUse(_pLine_) && \
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((_pLine_)->hdLine == (_hdLine_)))
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#define H323IsLineEqualIP(_pLine_,_dwIPAddr_) \
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(H323IsLineInUse(_pLine_) && \
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((_pLine_)->dwIPAddr == (_dwIPAddr_)))
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#define H323IsLineClosed(_pLine_) \
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((_pLine_)->nState == H323_LINESTATE_CLOSED)
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#define H323IsLineOpen(_pLine_) \
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((_pLine_)->nState >= H323_LINESTATE_OPENED)
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#define H323IsLineAvailable(_pLine_) \
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((_pLine_)->pCallTable->dwNumInUse < H323_MAXCALLSPERLINE)
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#define H323IsValidAddressID(_dwID_) \
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((_dwID_) == 0)
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#define H323IsTapiControlCode(_wch_) \
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(((_wch_) == L'T') || ((_wch_) == L'P'))
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#define H323IsSeparator(_wch_) \
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((_wch_) == L'/')
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#define H323IsListening(_pLine_) \
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((_pLine_)->nState == H323_LINESTATE_LISTENING)
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#define H323IsClosing(_pLine_) \
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((_pLine_)->nState == H323_LINESTATE_CLOSING)
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#define H323IsMediaDetectionEnabled(_pLine_) \
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(((_pLine_)->dwMediaModes != 0) && \
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((_pLine_)->dwMediaModes != LINEMEDIAMODE_UNKNOWN))
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#define H323IsVideoDetectionEnabled(_pLine_) \
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((_pLine_)->dwMediaModes & LINEMEDIAMODE_VIDEO)
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#define H323IsAudioDetectionEnabled(_pLine_) \
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(H323IsVideoDetectionEnabled(_pLine_) || \
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((_pLine_)->dwMediaModes & LINEMEDIAMODE_AUTOMATEDVOICE) || \
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((_pLine_)->dwMediaModes & LINEMEDIAMODE_INTERACTIVEVOICE))
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#define H323IsValidInterface(_dwAddr_) \
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(((_dwAddr_) != 0) && \
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((_dwAddr_) != htonl(INADDR_LOOPBACK)))
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#define H323GetLineTableIndex(_hdLine_) \
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((DWORD)(_hdLine_))
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#define H323CreateLineHandle(_i_) \
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((HDRVLINE)(DWORD)(_i_))
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Public prototypes //
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// //
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///////////////////////////////////////////////////////////////////////////////
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BOOL
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H323GetLineAndLock(
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PH323_LINE * ppLine,
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HDRVLINE hdLine
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);
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BOOL
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H323GetLineFromIDAndLock(
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PH323_LINE * ppLine,
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DWORD dwDeviceID
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);
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BOOL
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H323InitializeLine(
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PH323_LINE pLine,
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DWORD dwDeviceID
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);
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BOOL
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H323CallListen(
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PH323_LINE pLine
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);
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BOOL
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H323StartListening(
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PH323_LINE pLine
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);
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BOOL
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H323StopListening(
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PH323_LINE pLine
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);
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BOOL
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H323AllocLineTable(
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PH323_LINE_TABLE * ppLineTable
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);
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BOOL
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H323FreeLineTable(
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PH323_LINE_TABLE pLineTable
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);
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BOOL
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H323CloseLineTable(
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PH323_LINE_TABLE pLineTable
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);
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BOOL
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H323InitializeLineTable(
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PH323_LINE_TABLE pLineTable,
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DWORD dwLineDeviceIDBase
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);
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BOOL
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H323AllocLineFromTable(
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PH323_LINE * ppLine,
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PH323_LINE_TABLE * ppLineTable
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);
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BOOL
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H323FreeLineFromTable(
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PH323_LINE pLine,
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PH323_LINE_TABLE pLineTable
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);
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BOOL
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H323ProcessCloseChannelCommand(
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PH323_CALL pCall,
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PH323MSG_CLOSE_CHANNEL_COMMAND pCommand
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);
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BOOL
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H323ProcessAcceptChannelResponse(
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PH323_CALL pCall,
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PH323MSG_ACCEPT_CHANNEL_RESPONSE pResponse
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);
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BOOL
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H323ProcessOpenChannelRequest(
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PH323_CALL pCall,
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PH323MSG_OPEN_CHANNEL_REQUEST pRequest
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);
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BOOL
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H323ProcessFlowControlCommand(
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PH323_CALL pCall,
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PH323MSG_FLOW_CONTROL_COMMAND pCommand
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);
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BOOL
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H323ProcessVideoFastUpdatePictureCommand(
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PH323_CALL pCall,
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PH323MSG_VIDEO_FAST_UPDATE_PICTURE_COMMAND pCommand
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);
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BOOL
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H323ProcessQoSEventIndication(
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PH323_CALL pCall,
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PH323MSG_QOS_EVENT pCommand
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);
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BOOL
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H323ProcessConfigT120Command(
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PH323MSG_CONFIG_T120_COMMAND pCommand
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);
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BOOL
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H323ProcessConfigCapabilityCommand(
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PH323MSG_CONFIG_CAPABILITY_COMMAND pCommand
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);
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#if defined(USE_PROVIDER_LOCK)
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#define H323LockLine(_pLine_) H323LockProvider();
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#define H323UnlockLine(_pLine_) H323UnlockProvider();
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#elif defined(DBG) && defined(DEBUG_CRITICAL_SECTIONS)
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VOID
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H323LockLine(
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PH323_LINE pLine
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);
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VOID
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H323UnlockLine(
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PH323_LINE pLine
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);
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#else
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#define H323LockLine(_pLine_) \
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{EnterCriticalSection(&(_pLine_)->Lock);}
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#define H323UnlockLine(_pLine_) \
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{LeaveCriticalSection(&(_pLine_)->Lock);}
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#endif
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#endif // _INC_LINE
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