832 lines
22 KiB
C++
832 lines
22 KiB
C++
/*++
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Copyright (c) 1999 Microsoft Corporation
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Module Name:
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rascall.cpp
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Abstract:
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The RAS call functionality (ARQ/DRQ/ACF/DCF/IRR/ARJ/DRJ)
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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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#include "globals.h"
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#include "q931obj.h"
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#include "line.h"
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#include "q931pdu.h"
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#include "ras.h"
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//!!always called from a lock
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BOOL
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CH323Call::SendARQ(
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IN long seqNumber
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)
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{
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RasMessage rasMessage;
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AdmissionRequest * ARQ;
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EXPIRE_CONTEXT * pExpireContext;
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PH323_ALIASNAMES pAliasList;
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PAdmissionRequest_destinationInfo destInfo = NULL;
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H323DBG(( DEBUG_LEVEL_TRACE, "SendARQ entered:%p.",this ));
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//if not registered with the GK then return failure
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if (!RasIsRegistered())
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return FALSE;
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pExpireContext = new EXPIRE_CONTEXT;
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if( pExpireContext == NULL )
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{
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return FALSE;
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}
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ZeroMemory( &rasMessage, sizeof RasMessage );
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rasMessage.choice = admissionRequest_chosen;
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ARQ = &rasMessage.u.admissionRequest;
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// get sequence number
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if( seqNumber != NOT_RESEND_SEQ_NUM )
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{
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ARQ -> requestSeqNum = (WORD)seqNumber;
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}
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else
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{
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m_wARQSeqNum = RasAllocSequenceNumber();
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ARQ -> requestSeqNum = m_wARQSeqNum;
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}
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ARQ -> callType.choice = pointToPoint_chosen;
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// endpointIdentifier
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RasGetEndpointID (&ARQ -> endpointIdentifier);
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// srcInfo: pass on the registered aliases
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pAliasList = RASGetRegisteredAliasList();
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ARQ -> srcInfo = (PAdmissionRequest_srcInfo)
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SetMsgAddressAlias( pAliasList );
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if( ARQ -> srcInfo == NULL )
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{
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delete pExpireContext;
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return FALSE;
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}
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// destInfo
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if( (m_dwOrigin==LINECALLORIGIN_OUTBOUND) && m_pCalleeAliasNames &&
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(m_pCalleeAliasNames -> wCount) )
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{
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ARQ -> destinationInfo = (PAdmissionRequest_destinationInfo)
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SetMsgAddressAlias( m_pCalleeAliasNames );
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if( ARQ -> destinationInfo != NULL )
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{
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ARQ -> bit_mask |= AdmissionRequest_destinationInfo_present;
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}
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}
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else if( (m_dwOrigin==LINECALLORIGIN_INBOUND) && m_pCallerAliasNames
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&& (m_pCallerAliasNames -> wCount) )
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{
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ARQ -> destinationInfo = (PAdmissionRequest_destinationInfo)
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SetMsgAddressAlias( m_pCallerAliasNames );
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//H323DBG(( DEBUG_LEVEL_ERROR, "Caller alias count:%d : %p", m_pCallerAliasNames->wCount, this ));
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if( ARQ -> destinationInfo )
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{
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ARQ -> bit_mask |= AdmissionRequest_destinationInfo_present;
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}
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}
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for( destInfo = ARQ -> destinationInfo; destInfo; destInfo=destInfo->next )
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{
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H323DBG(( DEBUG_LEVEL_TRACE, "the alias:%s.", destInfo->value.u.e164 ));
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}
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ARQ -> bandWidth = 0;
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ARQ -> callReferenceValue = m_wCallReference;
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// no destExtraCallInfo
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// no srcCallSignalAddress
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// no nonStandardData
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// no callServices
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CopyConferenceID (&ARQ -> conferenceID, &m_ConferenceID);
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ARQ -> activeMC = FALSE;
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ARQ -> answerCall = ( m_dwOrigin == LINECALLORIGIN_INBOUND );
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ARQ -> canMapAlias = TRUE;
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CopyMemory( (PVOID)&ARQ -> callIdentifier.guid.value,
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(PVOID)&m_callIdentifier, sizeof(GUID) );
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ARQ -> callIdentifier.guid.length = sizeof (GUID);
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ARQ -> bit_mask |= AdmissionRequest_callIdentifier_present;
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// no srcAlternatives
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// no destAlternatives
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// no gatekeeperIdentifier
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// no tokens
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// no cryptoTokens
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// no integrityCheckValue
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// no transportQOS
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ARQ -> willSupplyUUIEs = FALSE;
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if( m_hARQTimer != NULL )
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{
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DeleteTimerQueueTimer( H323TimerQueue, m_hARQTimer, NULL );
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m_hARQTimer = NULL;
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}
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pExpireContext -> DriverCallHandle = m_hdCall;
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pExpireContext -> seqNumber = ARQ -> requestSeqNum;
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if( !CreateTimerQueueTimer(
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&m_hARQTimer,
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H323TimerQueue,
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CH323Call::ARQExpiredCallback,
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(PVOID)pExpireContext,
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ARQ_EXPIRE_TIME, 0,
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WT_EXECUTEINIOTHREAD | WT_EXECUTEONLYONCE ))
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{
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goto cleanup;
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}
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if( RasEncodeSendMessage (&rasMessage) != S_OK )
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{
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goto cleanup;
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}
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if( ARQ -> bit_mask & AdmissionRequest_destinationInfo_present )
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{
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FreeAddressAliases( (PSetup_UUIE_destinationAddress)
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ARQ -> destinationInfo );
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}
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FreeAddressAliases( (PSetup_UUIE_destinationAddress)ARQ -> srcInfo );
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m_dwRASCallState = RASCALL_STATE_ARQSENT;
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m_dwARQRetryCount++;
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_ASSERTE( m_pARQExpireContext == NULL );
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m_pARQExpireContext = pExpireContext;
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H323DBG(( DEBUG_LEVEL_TRACE, "SendARQ exited:%p.",this ));
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return TRUE;
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cleanup:
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if( m_hARQTimer != NULL )
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{
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DeleteTimerQueueTimer( H323TimerQueue,
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m_hARQTimer, NULL );
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m_hARQTimer = NULL;
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m_dwARQRetryCount = 0;
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}
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if( ARQ -> bit_mask & AdmissionRequest_destinationInfo_present )
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{
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FreeAddressAliases( (PSetup_UUIE_destinationAddress)
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ARQ -> destinationInfo );
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}
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if( pExpireContext != NULL )
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{
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delete pExpireContext;
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}
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FreeAddressAliases( (PSetup_UUIE_destinationAddress)ARQ -> srcInfo );
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return FALSE;
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}
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//!!always called from a lock
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BOOL
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CH323Call::SendDRQ(
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IN USHORT usDisengageReason,
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IN long seqNumber,
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IN BOOL fResendOnExpire
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)
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{
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RasMessage rasMessage;
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DisengageRequest * DRQ;
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EXPIRE_CONTEXT * pExpireContext;
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H323DBG(( DEBUG_LEVEL_TRACE, "SendDRQ entered:%p.",this ));
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ZeroMemory( &rasMessage, sizeof(rasMessage) );
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rasMessage.choice = disengageRequest_chosen;
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DRQ = &rasMessage.u.disengageRequest;
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//if not registered with the GK then return failure
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if (!RasIsRegistered())
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{
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return FALSE;
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}
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if( fResendOnExpire == TRUE )
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{
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pExpireContext = new EXPIRE_CONTEXT;
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if( pExpireContext == NULL )
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{
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return FALSE;
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}
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}
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// get sequence number
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if( seqNumber != NOT_RESEND_SEQ_NUM )
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{
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DRQ -> requestSeqNum = (WORD)seqNumber;
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}
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else
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{
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m_wDRQSeqNum = RasAllocSequenceNumber();
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DRQ -> requestSeqNum = m_wDRQSeqNum;
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}
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DRQ -> callReferenceValue = m_wCallReference;
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DRQ -> disengageReason.choice = usDisengageReason;
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// endpoint identifier
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RasGetEndpointID (&DRQ -> endpointIdentifier);
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// conferenceID
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CopyConferenceID (&DRQ -> conferenceID, &m_ConferenceID);
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// callIdentifier
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CopyConferenceID (&DRQ -> callIdentifier.guid, &m_callIdentifier);
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DRQ -> bit_mask |= DisengageRequest_callIdentifier_present;
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if( RasEncodeSendMessage( &rasMessage ) != S_OK )
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{
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delete pExpireContext;
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return FALSE;
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}
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if( m_hDRQTimer != NULL )
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{
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DeleteTimerQueueTimer( H323TimerQueue, m_hDRQTimer, NULL );
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m_hDRQTimer = NULL;
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}
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if( fResendOnExpire == TRUE )
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{
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pExpireContext -> DriverCallHandle = m_hdCall;
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pExpireContext -> seqNumber = DRQ -> requestSeqNum;
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if( !CreateTimerQueueTimer(
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&m_hDRQTimer,
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H323TimerQueue,
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CH323Call::DRQExpiredCallback,
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(PVOID)pExpireContext,
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ARQ_EXPIRE_TIME, 0,
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WT_EXECUTEINIOTHREAD | WT_EXECUTEONLYONCE ))
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{
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delete pExpireContext;
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return FALSE;
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}
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_ASSERTE( m_pDRQExpireContext == NULL );
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m_pDRQExpireContext = pExpireContext;
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}
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m_dwRASCallState = RASCALL_STATE_DRQSENT;
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m_dwDRQRetryCount++;
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H323DBG(( DEBUG_LEVEL_TRACE, "SendDRQ exited:%p.",this ));
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return TRUE;
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}
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//!!always called from a lock
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void
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CH323Call::OnDisengageRequest(
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IN DisengageRequest * DRQ
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)
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{
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GUID RequestConferenceID;
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H323DBG(( DEBUG_LEVEL_TRACE, "OnDisengageRequest entered:%p.",this ));
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if( (m_dwRASCallState == RASCALL_STATE_UNREGISTERED) ||
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(m_dwRASCallState == RASCALL_STATE_ARJRECVD) )
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{
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return;
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}
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CopyConferenceID (&RequestConferenceID, &DRQ -> conferenceID);
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if (!IsEqualGUID (m_ConferenceID, RequestConferenceID))
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{
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H323DBG ((DEBUG_LEVEL_ERROR, "DisengageRequest conference ID does not match this call, ignoring..."));
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return;
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}
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if (SendDCF (DRQ -> requestSeqNum))
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{
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m_dwRASCallState = RASCALL_STATE_UNREGISTERED;
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CloseCall( 0 );
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}
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H323DBG(( DEBUG_LEVEL_TRACE, "OnDisengageRequest exited:%p.",this ));
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}
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//!!always called in a lock
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BOOL
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CH323Call::SendDCF(
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IN WORD seqNumber
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)
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{
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RasMessage rasMessage;
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DisengageConfirm * DCF;
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H323DBG(( DEBUG_LEVEL_TRACE, "SendDCF entered:%p.",this ));
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ZeroMemory( &rasMessage, sizeof(rasMessage) );
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rasMessage.choice = disengageConfirm_chosen;
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DCF = &rasMessage.u.disengageConfirm;
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//if not registered with the GK then return failure
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if (!RasIsRegistered())
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{
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return FALSE;
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}
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DCF -> requestSeqNum = seqNumber;
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if (RasEncodeSendMessage (&rasMessage) != S_OK)
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{
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return FALSE;
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}
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H323DBG(( DEBUG_LEVEL_TRACE, "SendDCF exited:%p.",this ));
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return TRUE;
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}
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//!!always called from a lock
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void
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CH323Call::OnDisengageReject(
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IN DisengageReject* DRJ
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)
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{
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H323DBG(( DEBUG_LEVEL_TRACE, "OnDisengageReject entered:%p.",this ));
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if( DRJ -> requestSeqNum != m_wDRQSeqNum )
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{
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return;
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}
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if( m_dwRASCallState != RASCALL_STATE_DRQSENT )
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{
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return;
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}
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if( DRJ->rejectReason.choice == requestToDropOther_chosen )
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{
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//
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H323DBG(( DEBUG_LEVEL_ERROR, "!!something is wrong in the way DRQ is encoded.",this ));
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}
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else //if( DRJ->rejectReason.choice == DisengageRejectReason_notRegistered_chosen )
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{
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//the call has been unregistered but is still around, so dsrop it
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m_dwRASCallState = RASCALL_STATE_UNREGISTERED;
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//CloseCall( 0 );
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}
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H323DBG(( DEBUG_LEVEL_TRACE, "OnDisengageReject exited:%p.",this ));
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}
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void
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CH323Call::OnRequestInProgress(
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IN RequestInProgress* RIP
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)
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{
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H323DBG(( DEBUG_LEVEL_TRACE, "OnRequestInProgress entered:%p.",this ));
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EXPIRE_CONTEXT * pExpireContext;
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if( RIP -> requestSeqNum != m_wARQSeqNum )
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{
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return;
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}
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if( m_dwRASCallState != RASCALL_STATE_ARQSENT )
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{
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return;
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}
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//if delay is more than 30 seconds ignore it
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if( (RIP->delay > 0) && (RIP->delay > 30000) )
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{
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return;
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}
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pExpireContext = new EXPIRE_CONTEXT;
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if( pExpireContext == NULL )
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{
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return;
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}
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//restart the timer
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if( m_hARQTimer != NULL )
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{
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DeleteTimerQueueTimer( H323TimerQueue, m_hARQTimer, NULL );
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m_hARQTimer = NULL;
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}
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pExpireContext -> DriverCallHandle = m_hdCall;
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pExpireContext -> seqNumber = m_wARQSeqNum;
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if( !CreateTimerQueueTimer(
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&m_hARQTimer,
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H323TimerQueue,
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CH323Call::ARQExpiredCallback,
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(PVOID)pExpireContext,
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(DWORD)RIP->delay, 0,
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WT_EXECUTEINIOTHREAD | WT_EXECUTEONLYONCE ))
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{
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//close the call
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CloseCall( 0 );
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}
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H323DBG(( DEBUG_LEVEL_TRACE, "OnRequestInProgress exited:%p.",this ));
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}
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//!!always called from a lock
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void
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CH323Call::OnDisengageConfirm(
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IN DisengageConfirm* DCF
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)
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{
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H323DBG(( DEBUG_LEVEL_TRACE, "OnDisengageConfirm entered:%p.",this ));
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if( DCF -> requestSeqNum != m_wDRQSeqNum )
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{
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return;
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}
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if( m_dwRASCallState == RASCALL_STATE_DRQSENT )
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{
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if( m_hDRQTimer != NULL )
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{
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DeleteTimerQueueTimer( H323TimerQueue, m_hDRQTimer,
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NULL );
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m_hDRQTimer = NULL;
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}
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//nikhil:if this is a replacement call/diverted call then this may lead
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//to inconsistent behaviour
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m_dwRASCallState = RASCALL_STATE_UNREGISTERED;
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//CloseCall( 0 );
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}
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H323DBG(( DEBUG_LEVEL_TRACE, "OnDisengageConfirm exited:%p.",this ));
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}
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//!!always called from a lock
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void
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CH323Call::OnAdmissionConfirm(
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IN AdmissionConfirm * ACF
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)
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{
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PH323_CALL pCall = NULL;
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H323DBG(( DEBUG_LEVEL_TRACE, "OnAdmissionConfirm entered:%p.",this ));
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_ASSERTE( m_dwRASCallState != RASCALL_STATE_IDLE );
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if( ACF -> requestSeqNum != m_wARQSeqNum )
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{
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return;
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}
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if( m_hARQTimer != NULL )
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{
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DeleteTimerQueueTimer( H323TimerQueue, m_hARQTimer,
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NULL );
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m_hARQTimer = NULL;
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m_dwARQRetryCount = 0;
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}
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if( m_dwRASCallState == RASCALL_STATE_ARQSENT )
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{
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m_dwRASCallState = RASCALL_STATE_REGISTERED;
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if( m_dwOrigin == LINECALLORIGIN_OUTBOUND )
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{
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if( (ACF ->destCallSignalAddress.choice != ipAddress_chosen) ||
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(ACF->destCallSignalAddress.u.ipAddress.ip.length != 4) )
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{
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DropCall( LINEDISCONNECTMODE_BADADDRESS );
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return;
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}
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// save converted address
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m_CalleeAddr.nAddrType = H323_IP_BINARY;
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m_CalleeAddr.Addr.IP_Binary.dwAddr =
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ntohl(*(DWORD*)(ACF->destCallSignalAddress.u.ipAddress.ip.value) );
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m_CalleeAddr.Addr.IP_Binary.wPort =
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ACF->destCallSignalAddress.u.ipAddress.port;
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m_CalleeAddr.bMulticast =
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IN_MULTICAST(m_CalleeAddr.Addr.IP_Binary.dwAddr);
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//Replaces the first alias in the callee list (the dialableAddress
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//passed in TSPI_lineMakecall ). The GK looks at the first alias
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//only. Its assumed that only the first alias is mapped by the GK.
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if( (ACF -> bit_mask & AdmissionConfirm_destinationInfo_present) &&
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ACF->destinationInfo )
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{
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MapAliasItem( m_pCalleeAliasNames,
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&(ACF->destinationInfo->value) );
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}
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if( !PlaceCall() )
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{
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DropCall( LINEDISCONNECTMODE_UNREACHABLE );
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}
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}
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else
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{
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if( (m_dwCallType & CALLTYPE_TRANSFEREDDEST) && m_hdRelatedCall )
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{
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MSPMessageData* pMSPMessageData = new MSPMessageData;
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if( pMSPMessageData == NULL )
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{
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CloseCall( 0 );
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return;
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}
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pMSPMessageData->hdCall = m_hdRelatedCall;
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pMSPMessageData->messageType = SP_MSG_PrepareToAnswer;
|
|
pMSPMessageData->pbEncodedBuf = m_prepareToAnswerMsgData.pbBuffer;
|
|
pMSPMessageData->wLength = (WORD)m_prepareToAnswerMsgData.dwLength;
|
|
pMSPMessageData->hReplacementCall = m_hdCall;
|
|
m_prepareToAnswerMsgData.pbBuffer = NULL;
|
|
|
|
QueueUserWorkItem( SendMSPMessageOnRelatedCall,
|
|
pMSPMessageData, WT_EXECUTEDEFAULT );
|
|
}
|
|
else
|
|
{
|
|
|
|
// signal incoming call
|
|
_ASSERTE(!m_htCall);
|
|
|
|
PostLineEvent (
|
|
LINE_NEWCALL,
|
|
(DWORD_PTR)m_hdCall,
|
|
(DWORD_PTR)&m_htCall, 0);
|
|
|
|
_ASSERTE( m_htCall );
|
|
if( m_htCall == NULL )
|
|
{
|
|
H323DBG(( DEBUG_LEVEL_ERROR, "tapi call handle NULL!!" ));
|
|
CloseCall( 0 );
|
|
return;
|
|
}
|
|
|
|
if( IsListEmpty(&m_IncomingU2U) == FALSE )
|
|
{
|
|
// signal incoming
|
|
PostLineEvent (
|
|
LINE_CALLINFO,
|
|
(DWORD_PTR)LINECALLINFOSTATE_USERUSERINFO,
|
|
0, 0);
|
|
}
|
|
|
|
ChangeCallState( LINECALLSTATE_OFFERING, 0 );
|
|
|
|
// send the new call message to the unspecified MSP
|
|
SendMSPMessage( SP_MSG_PrepareToAnswer,
|
|
m_prepareToAnswerMsgData.pbBuffer,
|
|
m_prepareToAnswerMsgData.dwLength, NULL );
|
|
}
|
|
|
|
if( m_prepareToAnswerMsgData.pbBuffer )
|
|
delete m_prepareToAnswerMsgData.pbBuffer;
|
|
ZeroMemory( (PVOID)&m_prepareToAnswerMsgData, sizeof(BUFFERDESCR) );
|
|
|
|
}
|
|
}
|
|
else if( m_dwRASCallState == RASCALL_STATE_ARQEXPIRED )
|
|
{
|
|
SendDRQ( forcedDrop_chosen, NOT_RESEND_SEQ_NUM, TRUE );
|
|
}
|
|
|
|
H323DBG(( DEBUG_LEVEL_TRACE, "OnAdmissionConfirm exited:%p.",this ));
|
|
}
|
|
|
|
|
|
//!!always called from a lock
|
|
void
|
|
CH323Call::OnAdmissionReject(
|
|
IN AdmissionReject * ARJ
|
|
)
|
|
{
|
|
H323DBG(( DEBUG_LEVEL_TRACE, "OnAdmissionReject entered:%p.",this ));
|
|
|
|
if( ARJ -> requestSeqNum != m_wARQSeqNum )
|
|
{
|
|
return;
|
|
}
|
|
|
|
m_dwRASCallState = RASCALL_STATE_ARJRECVD;
|
|
|
|
//If a forward consult call then enable the forwarding anyway.
|
|
if( (m_dwCallType & CALLTYPE_FORWARDCONSULT )&&
|
|
(m_dwOrigin == LINECALLORIGIN_OUTBOUND ) )
|
|
{
|
|
//Success of forwarding
|
|
EnableCallForwarding();
|
|
}
|
|
|
|
//drop the call. shutdown the call and rlease the call.
|
|
CloseCall( LINEDISCONNECTMODE_BADADDRESS );
|
|
|
|
H323DBG(( DEBUG_LEVEL_TRACE, "OnAdmissionReject exited:%p.",this ));
|
|
}
|
|
|
|
|
|
HRESULT
|
|
CH323Call::GetCallInfo (
|
|
OUT GUID * ReturnCallID,
|
|
OUT GUID * ReturnConferenceID )
|
|
{
|
|
|
|
//verify call state
|
|
if( m_dwCallState == LINECALLSTATE_DISCONNECTED )
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
|
|
*ReturnCallID = m_callIdentifier;
|
|
*ReturnConferenceID = m_ConferenceID;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
void
|
|
NTAPI CH323Call::DRQExpiredCallback(
|
|
IN PVOID ContextParameter, // pExpireContext
|
|
IN BOOLEAN TimerFired // not used
|
|
)
|
|
{
|
|
EXPIRE_CONTEXT * pExpireContext;
|
|
HDRVCALL DriverCall;
|
|
PH323_CALL pCall;
|
|
|
|
_ASSERTE(ContextParameter);
|
|
pExpireContext = (EXPIRE_CONTEXT *) ContextParameter;
|
|
_ASSERTE( pExpireContext == m_pDRQExpireContext );
|
|
|
|
__try
|
|
{
|
|
DriverCall = (HDRVCALL) pExpireContext -> DriverCallHandle;
|
|
|
|
pCall = g_pH323Line -> FindH323CallAndLock (DriverCall);
|
|
if (pCall)
|
|
{
|
|
pCall -> DRQExpired (pExpireContext -> seqNumber);
|
|
|
|
delete pExpireContext;
|
|
pCall -> Unlock();
|
|
}
|
|
else
|
|
{
|
|
H323DBG ((DEBUG_LEVEL_ERROR, "warning: DRQExpiredCallback failed to locate call object"));
|
|
}
|
|
}
|
|
__except( 1 )
|
|
{
|
|
// The call has already been deleted and hence the pExpireContext
|
|
// buffer is also deleted.
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
NTAPI CH323Call::ARQExpiredCallback(
|
|
IN PVOID ContextParameter, // pExpireContext
|
|
IN BOOLEAN TimerFired) // not used
|
|
{
|
|
EXPIRE_CONTEXT * pExpireContext;
|
|
HDRVCALL DriverCall;
|
|
PH323_CALL pCall;
|
|
|
|
_ASSERTE(ContextParameter);
|
|
pExpireContext = (EXPIRE_CONTEXT *) ContextParameter;
|
|
_ASSERTE( pExpireContext == m_pARQExpireContext );
|
|
|
|
|
|
__try
|
|
{
|
|
DriverCall = (HDRVCALL) pExpireContext -> DriverCallHandle;
|
|
|
|
pCall = g_pH323Line -> FindH323CallAndLock (DriverCall);
|
|
if (pCall)
|
|
{
|
|
pCall -> ARQExpired (pExpireContext -> seqNumber);
|
|
|
|
delete pExpireContext;
|
|
pCall -> Unlock();
|
|
|
|
}
|
|
else
|
|
{
|
|
H323DBG ((DEBUG_LEVEL_ERROR, "warning: ARQExpiredCallback failed to locate call object"));
|
|
}
|
|
}
|
|
__except( 1 )
|
|
{
|
|
// The call has already been deleted and hence the pExpireContext
|
|
// buffer is also deleted.
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
//!!always called from a lock
|
|
void CH323Call::ARQExpired (
|
|
IN WORD seqNumber)
|
|
{
|
|
H323DBG(( DEBUG_LEVEL_TRACE, "ARQExpired entered:%p.",this ));
|
|
|
|
m_pARQExpireContext = NULL;
|
|
|
|
if( m_hARQTimer != NULL )
|
|
{
|
|
DeleteTimerQueueTimer( H323TimerQueue, m_hARQTimer, NULL );
|
|
m_hARQTimer = NULL;
|
|
}
|
|
|
|
if( m_dwRASCallState == RASCALL_STATE_ARQSENT )
|
|
{
|
|
if( m_dwARQRetryCount < ARQ_RETRY_MAX )
|
|
{
|
|
if( !SendARQ( (long)seqNumber ) )
|
|
{
|
|
// drop call using disconnect mode
|
|
DropCall(0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
m_dwRASCallState = RASCALL_STATE_ARQEXPIRED;
|
|
//Not able to register, shutdown the RAS client object
|
|
CloseCall( 0 );
|
|
}
|
|
}
|
|
|
|
H323DBG(( DEBUG_LEVEL_TRACE, "ARQExpired exited:%p.",this ));
|
|
}
|
|
|
|
|
|
//!!always called from a lock
|
|
void
|
|
CH323Call::DRQExpired(
|
|
IN WORD seqNumber
|
|
)
|
|
{
|
|
H323DBG(( DEBUG_LEVEL_TRACE, "DRQExpired entered:%p.", this ));
|
|
m_pDRQExpireContext = NULL;
|
|
|
|
if( m_hDRQTimer != NULL )
|
|
{
|
|
DeleteTimerQueueTimer( H323TimerQueue, m_hDRQTimer, NULL );
|
|
m_hDRQTimer = NULL;
|
|
}
|
|
|
|
if( m_dwRASCallState == RASCALL_STATE_DRQSENT )
|
|
{
|
|
if( m_dwDRQRetryCount < DRQ_RETRY_MAX )
|
|
{
|
|
if( !SendDRQ( forcedDrop_chosen, (long)seqNumber, TRUE ) )
|
|
{
|
|
// drop call using disconnect mode
|
|
DropCall(0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
m_dwRASCallState = RASCALL_STATE_DRQEXPIRED;
|
|
//Not able to register, shutdown the RAS client object
|
|
CloseCall( 0 );
|
|
}
|
|
}
|
|
|
|
H323DBG(( DEBUG_LEVEL_TRACE, "DRQExpired exited:%p.",this ));
|
|
} |