/****************************************************************************
*
* $Archive: S:/STURGEON/SRC/CALLCONT/VCS/h245man.c_v $
*
* INTEL Corporation Prorietary Information
*
* This listing is supplied under the terms of a license agreement
* with INTEL Corporation and may not be copied nor disclosed except
* in accordance with the terms of that agreement.
*
* Copyright (c) 1993-1994 Intel Corporation.
*
* $Revision: 1.225 $
* $Date: 03 Mar 1997 09:08:10 $
* $Author: MANDREWS $
*
* Deliverable:
*
* Abstract:
*
*
* Notes:
*
***************************************************************************/
#include "precomp.h"
#include "apierror.h"
#include "incommon.h"
#include "callcont.h"
#include "q931.h"
#include "ccmain.h"
#include "listman.h"
#include "q931man.h"
#include "userman.h"
#include "callman.h"
#include "confman.h"
#include "h245man.h"
#include "chanman.h"
#include "hangman.h"
#include "ccutils.h"
#include "linkapi.h"
#include "h245com.h"
extern CALL_CONTROL_STATE CallControlState;
extern THREADCOUNT ThreadCount;
static BOOL bH245ManagerInited = FALSE;
static struct {
DWORD dwPhysicalID;
LOCK Lock;
} PhysicalID;
HRESULT InitH245Manager()
{
ASSERT(bH245ManagerInited == FALSE);
// Note -- don't use a physical ID of 0; the physical ID gets mapped
// to an H245 instance of the same value, and an H245 instance of
// 0 is invalid
PhysicalID.dwPhysicalID = 1;
InitializeLock(&PhysicalID.Lock);
bH245ManagerInited = H245SysInit();
return CC_OK;
}
HRESULT DeInitH245Manager()
{
if (bH245ManagerInited == FALSE)
return CC_OK;
H245SysDeInit();
H245WSShutdown();
DeleteLock(&PhysicalID.Lock);
bH245ManagerInited = FALSE;
return CC_OK;
}
HRESULT MakeH245PhysicalID( DWORD *pdwH245PhysicalID)
{
AcquireLock(&PhysicalID.Lock);
*pdwH245PhysicalID = PhysicalID.dwPhysicalID++;
RelinquishLock(&PhysicalID.Lock);
return CC_OK;
}
HRESULT _ConstructTermCapList( PCC_TERMCAPLIST *ppTermCapList,
PCC_TERMCAP *ppH2250MuxCap,
PCC_TERMCAPDESCRIPTORS *ppTermCapDescriptors,
PCALL pCall)
{
#define MAX_TERM_CAPS 257
#define MAX_TERM_CAP_DESC 255
H245_TOTCAP_T * pTermCapArray[MAX_TERM_CAPS];
H245_TOTCAPDESC_T * pTermCapDescriptorArray[MAX_TERM_CAP_DESC];
unsigned long CapArrayLength;
unsigned long CapDescriptorArrayLength;
unsigned long i, j;
HRESULT status;
ASSERT(ppTermCapList != NULL);
ASSERT(*ppTermCapList == NULL);
ASSERT(ppH2250MuxCap != NULL);
ASSERT(*ppH2250MuxCap == NULL);
ASSERT(ppTermCapDescriptors != NULL);
ASSERT(*ppTermCapDescriptors == NULL);
ASSERT(pCall != NULL);
CapArrayLength = MAX_TERM_CAPS;
CapDescriptorArrayLength = MAX_TERM_CAP_DESC;
status = H245GetCaps(pCall->H245Instance,
H245_CAPDIR_RMTRXTX,
H245_DATA_DONTCARE,
H245_CLIENT_DONTCARE,
pTermCapArray,
&CapArrayLength,
pTermCapDescriptorArray,
&CapDescriptorArrayLength);
if (status != H245_ERROR_OK) {
*ppTermCapList = NULL;
*ppH2250MuxCap = NULL;
*ppTermCapDescriptors = NULL;
return status;
}
// Check the term cap list to see if an H.225.0 mux capability is present;
// this capability is treated as a special case
*ppH2250MuxCap = NULL;
for (i = 0; i < CapArrayLength; i++) {
ASSERT(pTermCapArray[i] != NULL);
if (pTermCapArray[i]->CapId == 0) {
*ppH2250MuxCap = pTermCapArray[i];
--CapArrayLength;
for (j = i; j < CapArrayLength; j++)
pTermCapArray[j] = pTermCapArray[j+1];
break;
}
}
if (CapArrayLength == 0)
*ppTermCapList = NULL;
else {
*ppTermCapList = (PCC_TERMCAPLIST)MemAlloc(sizeof(CC_TERMCAPLIST));
if (*ppTermCapList == NULL) {
for (i = 0; i < CapArrayLength; i++)
H245FreeCap(pTermCapArray[i]);
if (*ppH2250MuxCap != NULL)
H245FreeCap(*ppH2250MuxCap);
for (i = 0; i < CapDescriptorArrayLength; i++)
H245FreeCapDescriptor(pTermCapDescriptorArray[i]);
return CC_NO_MEMORY;
}
(*ppTermCapList)->wLength = (WORD)CapArrayLength;
(*ppTermCapList)->pTermCapArray =
(H245_TOTCAP_T **)MemAlloc(sizeof(H245_TOTCAP_T *) * CapArrayLength);
if ((*ppTermCapList)->pTermCapArray == NULL) {
MemFree(*ppTermCapList);
for (i = 0; i < CapArrayLength; i++)
H245FreeCap(pTermCapArray[i]);
if (*ppH2250MuxCap != NULL)
H245FreeCap(*ppH2250MuxCap);
for (i = 0; i < CapDescriptorArrayLength; i++)
H245FreeCapDescriptor(pTermCapDescriptorArray[i]);
*ppTermCapList = NULL;
*ppH2250MuxCap = NULL;
*ppTermCapDescriptors = NULL;
return CC_NO_MEMORY;
}
for (i = 0; i < CapArrayLength; i++)
(*ppTermCapList)->pTermCapArray[i] = pTermCapArray[i];
}
if (CapDescriptorArrayLength == 0)
*ppTermCapDescriptors = NULL;
else {
*ppTermCapDescriptors = (PCC_TERMCAPDESCRIPTORS)MemAlloc(sizeof(CC_TERMCAPDESCRIPTORS));
if (*ppTermCapDescriptors == NULL) {
for (i = 0; i < CapArrayLength; i++)
H245FreeCap(pTermCapArray[i]);
if (*ppH2250MuxCap != NULL)
H245FreeCap(*ppH2250MuxCap);
for (i = 0; i < CapDescriptorArrayLength; i++)
H245FreeCapDescriptor(pTermCapDescriptorArray[i]);
if (*ppTermCapList != NULL) {
MemFree((*ppTermCapList)->pTermCapArray);
MemFree(*ppTermCapList);
}
*ppTermCapList = NULL;
*ppH2250MuxCap = NULL;
*ppTermCapDescriptors = NULL;
return CC_NO_MEMORY;
}
(*ppTermCapDescriptors)->wLength = (WORD)CapDescriptorArrayLength;
(*ppTermCapDescriptors)->pTermCapDescriptorArray =
(H245_TOTCAPDESC_T **)MemAlloc(sizeof(H245_TOTCAPDESC_T *) * CapDescriptorArrayLength);
if ((*ppTermCapDescriptors)->pTermCapDescriptorArray == NULL) {
for (i = 0; i < CapArrayLength; i++)
H245FreeCap(pTermCapArray[i]);
if (*ppH2250MuxCap != NULL)
H245FreeCap(*ppH2250MuxCap);
for (i = 0; i < CapDescriptorArrayLength; i++)
H245FreeCapDescriptor(pTermCapDescriptorArray[i]);
if (*ppTermCapList != NULL) {
MemFree((*ppTermCapList)->pTermCapArray);
MemFree(*ppTermCapList);
}
MemFree(*ppTermCapDescriptors);
*ppTermCapList = NULL;
*ppH2250MuxCap = NULL;
*ppTermCapDescriptors = NULL;
return CC_NO_MEMORY;
}
for (i = 0; i < CapDescriptorArrayLength; i++)
(*ppTermCapDescriptors)->pTermCapDescriptorArray[i] = pTermCapDescriptorArray[i];
}
return CC_OK;
}
HRESULT _ProcessConnectionComplete( PCONFERENCE pConference,
PCALL pCall)
{
CC_HCONFERENCE hConference;
CC_HCALL hCall;
HQ931CALL hQ931Call;
HQ931CALL hQ931CallInvitor;
HRESULT status;
CC_CONNECT_CALLBACK_PARAMS ConnectCallbackParams;
CC_MULTIPOINT_CALLBACK_PARAMS MultipointCallbackParams;
CC_PEER_CHANGE_CAP_CALLBACK_PARAMS PeerChangeCapCallbackParams;
CC_PEER_ADD_CALLBACK_PARAMS PeerAddCallbackParams;
WORD i;
BOOL bMultipointConference;
H245_TRANSPORT_ADDRESS_T Q931Address;
PDU_T Pdu;
CALLTYPE CallType;
WORD wNumCalls;
PCC_HCALL CallList;
WORD wNumChannels;
PCC_HCHANNEL ChannelList;
PCHANNEL pChannel;
PCALL pOldCall;
CC_HCALL hOldCall;
BYTE bNewTerminalNumber;
BYTE bNewMCUNumber;
CC_ENDPOINTTYPE DestinationEndpointType;
H245_COMM_MODE_ENTRY_T *pH245CommunicationTable;
BYTE bCommunicationTableCount;
BOOL bSessionTableChanged;
CONFMODE PreviousConferenceMode;
CC_ADDR MCAddress;
BOOL bConferenceTermCapsChanged;
H245_INST_T H245Instance;
PCC_TERMCAP pTxTermCap;
PCC_TERMCAP pRxTermCap;
H245_MUX_T *pTxMuxTable;
H245_MUX_T *pRxMuxTable;
// caution: the size of PDU_T is ~70K because of the size of
// OpenLogicalChannel, because of struct EncryptionSync
// If there is a way to tweak the ASN to make this a pointer,
// then it needs to be done
ASSERT(pConference != NULL);
ASSERT(pCall != NULL);
ASSERT(pCall->hConference == pConference->hConference);
hConference = pConference->hConference;
hCall = pCall->hCall;
hQ931Call = pCall->hQ931Call;
hQ931CallInvitor = pCall->hQ931CallInvitor;
H245Instance = pCall->H245Instance;
CallType = pCall->CallType;
// Note that pConference->ConferenceMode refers to the conference mode BEFORE
// this connection attempt completes. If the current conference mode is
// point-to-point, this connection (if successful) will result in a multipoint
// conference. We want to reflect in the CONNECT callback the connection mode
// that would exist if the connect attempt is successful.
if ((pConference->ConferenceMode == POINT_TO_POINT_MODE) ||
(pConference->ConferenceMode == MULTIPOINT_MODE) ||
(pCall->bCallerIsMC))
bMultipointConference = TRUE;
else
bMultipointConference = FALSE;
// Initialize all fields of ConnectCallbackParams now
ConnectCallbackParams.pNonStandardData = pCall->pPeerNonStandardData;
ConnectCallbackParams.pszPeerDisplay = pCall->pszPeerDisplay;
ConnectCallbackParams.bRejectReason = CC_REJECT_UNDEFINED_REASON;
ConnectCallbackParams.pTermCapList = pCall->pPeerH245TermCapList;
ConnectCallbackParams.pH2250MuxCapability = pCall->pPeerH245H2250MuxCapability;
ConnectCallbackParams.pTermCapDescriptors = pCall->pPeerH245TermCapDescriptors;
ConnectCallbackParams.pLocalAddr = pCall->pQ931LocalConnectAddr;
if (pCall->pQ931DestinationAddr == NULL)
ConnectCallbackParams.pPeerAddr = pCall->pQ931PeerConnectAddr;
else
ConnectCallbackParams.pPeerAddr = pCall->pQ931DestinationAddr;
ConnectCallbackParams.pVendorInfo = pCall->pPeerVendorInfo;
ConnectCallbackParams.bMultipointConference = bMultipointConference;
ConnectCallbackParams.pConferenceID = &pConference->ConferenceID;
ConnectCallbackParams.pMCAddress = pConference->pMultipointControllerAddr;
ConnectCallbackParams.pAlternateAddress = NULL;
ConnectCallbackParams.dwUserToken = pCall->dwUserToken;
status = AddEstablishedCallToConference(pCall, pConference);
if (status != CC_OK) {
MarkCallForDeletion(pCall);
if (CallType == THIRD_PARTY_INTERMEDIARY)
Q931RejectCall(hQ931CallInvitor,
CC_REJECT_UNDEFINED_REASON,
&pCall->ConferenceID,
NULL, // alternate address
pCall->pPeerNonStandardData);
if ((CallType == CALLER) || (CallType == THIRD_PARTY_INVITOR) ||
((CallType == CALLEE) && (pConference->LocalEndpointAttached == NEVER_ATTACHED)))
InvokeUserConferenceCallback(pConference,
CC_CONNECT_INDICATION,
status,
&ConnectCallbackParams);
if (ValidateCallMarkedForDeletion(hCall) == CC_OK)
FreeCall(pCall);
H245ShutDown(H245Instance);
Q931Hangup(hQ931Call, CC_REJECT_UNDEFINED_REASON);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return status;
}
if (((pConference->ConferenceMode == POINT_TO_POINT_MODE) ||
(pConference->ConferenceMode == MULTIPOINT_MODE)) &&
(pConference->tsMultipointController == TS_TRUE))
status = CreateConferenceTermCaps(pConference, &bConferenceTermCapsChanged);
else {
status = CC_OK;
bConferenceTermCapsChanged = FALSE;
}
if (status != CC_OK) {
MarkCallForDeletion(pCall);
if (CallType == THIRD_PARTY_INTERMEDIARY)
Q931RejectCall(pCall->hQ931CallInvitor,
CC_REJECT_UNDEFINED_REASON,
&pCall->ConferenceID,
NULL, // alternate address
pCall->pPeerNonStandardData);
if ((CallType == CALLER) || (CallType == THIRD_PARTY_INVITOR) ||
((CallType == CALLEE) && (pConference->LocalEndpointAttached == NEVER_ATTACHED)))
InvokeUserConferenceCallback(pConference,
CC_CONNECT_INDICATION,
status,
&ConnectCallbackParams);
if (ValidateCallMarkedForDeletion(hCall) == CC_OK)
FreeCall(pCall);
H245ShutDown(H245Instance);
Q931Hangup(hQ931Call, CC_REJECT_UNDEFINED_REASON);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return status;
}
if (pConference->tsMultipointController == TS_TRUE) {
// Send MCLocationIndication
status = GetLastListenAddress(&MCAddress);
if (status == CC_OK) {
ASSERT(MCAddress.nAddrType == CC_IP_BINARY);
Q931Address.type = H245_IP_UNICAST;
Q931Address.u.ip.tsapIdentifier =
MCAddress.Addr.IP_Binary.wPort;
HostToH245IPNetwork(Q931Address.u.ip.network,
MCAddress.Addr.IP_Binary.dwAddr);
H245MCLocationIndication(pCall->H245Instance,
&Q931Address);
}
}
EnumerateCallsInConference(&wNumCalls, &CallList, pConference, ESTABLISHED_CALL);
if (pConference->ConferenceMode == UNCONNECTED_MODE) {
ASSERT(pConference->pSessionTable == NULL);
ASSERT(wNumCalls == 1);
pConference->ConferenceMode = POINT_TO_POINT_MODE;
} else { // we're currently in point-to-point mode or multipoint mode
if (pConference->tsMultipointController == TS_TRUE) {
PreviousConferenceMode = pConference->ConferenceMode;
pConference->ConferenceMode = MULTIPOINT_MODE;
// In the future, we may want to construct a new session table
// each time a new peer is added to the conference
if (PreviousConferenceMode == POINT_TO_POINT_MODE) {
// Assign a terminal label to ourselves
// Note that we reserve a terminal number of 0 for ourselves
// if we're the MC
ASSERT(pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bTerminalNumber == 255);
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bTerminalNumber = 0;
// Create a new session table
CreateConferenceSessionTable(
pConference,
&bSessionTableChanged);
} else
// For the current implementation, don't cause a new
// CommunicationModeCommand to be issued when a new peer is added
// unless we're switching from point-to-point to multipoint mode
// (in which case bSessionTableChanged is ignored)
bSessionTableChanged = FALSE;
if (bSessionTableChanged)
SessionTableToH245CommunicationTable(pConference->pSessionTable,
&pH245CommunicationTable,
&bCommunicationTableCount);
else
pH245CommunicationTable = NULL;
// Send MultipointModeCommand to new call
Pdu.choice = MSCMg_cmmnd_chosen;
Pdu.u.MSCMg_cmmnd.choice = miscellaneousCommand_chosen;
// logical channel number is irrelavent but needs to be filled in
Pdu.u.MSCMg_cmmnd.u.miscellaneousCommand.logicalChannelNumber = 1;
Pdu.u.MSCMg_cmmnd.u.miscellaneousCommand.type.choice = multipointModeCommand_chosen;
H245SendPDU(pCall->H245Instance, &Pdu);
status = AllocatePeerParticipantInfo(pConference, &pCall->pPeerParticipantInfo);
if (status == CC_OK) {
bNewMCUNumber = pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bMCUNumber;
bNewTerminalNumber = pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bTerminalNumber;
// Send TerminalNumberAssign to new call
H245ConferenceIndication(pCall->H245Instance,
H245_IND_TERMINAL_NUMBER_ASSIGN,// Indication Type
0, // SBE number; ignored here
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bMCUNumber, // MCU number
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bTerminalNumber); // terminal number
// Send EnterH243TerminalID to new call
H245ConferenceRequest(pCall->H245Instance,
H245_REQ_ENTER_H243_TERMINAL_ID,
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bMCUNumber,
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bTerminalNumber);
pCall->pPeerParticipantInfo->TerminalIDState = TERMINAL_ID_REQUESTED;
} else {
// Unable to assign a terminal number to the new call
bNewMCUNumber = 0;
bNewTerminalNumber = 0;
}
if (pH245CommunicationTable != NULL) {
// Send CommunicationModeCommand to new call
status = H245CommunicationModeCommand(pCall->H245Instance,
pH245CommunicationTable,
bCommunicationTableCount);
}
if (PreviousConferenceMode == POINT_TO_POINT_MODE) {
// Generate MULTIPOINT callback
MultipointCallbackParams.pTerminalInfo = &pConference->LocalParticipantInfo.ParticipantInfo;
MultipointCallbackParams.pSessionTable = pConference->pSessionTable;
InvokeUserConferenceCallback(pConference,
CC_MULTIPOINT_INDICATION,
CC_OK,
&MultipointCallbackParams);
if (ValidateConference(hConference) != CC_OK) {
if (ValidateCall(hCall) == CC_OK) {
pCall->CallState = CALL_COMPLETE;
UnlockCall(pCall);
}
MemFree(CallList);
return CC_OK;
}
// Generate CC_PEER_CHANGE_CAP callback
PeerChangeCapCallbackParams.pTermCapList =
pConference->pConferenceTermCapList;
PeerChangeCapCallbackParams.pH2250MuxCapability =
pConference->pConferenceH245H2250MuxCapability;
PeerChangeCapCallbackParams.pTermCapDescriptors =
pConference->pConferenceTermCapDescriptors;
InvokeUserConferenceCallback(pConference,
CC_PEER_CHANGE_CAP_INDICATION,
CC_OK,
&PeerChangeCapCallbackParams);
if (ValidateConference(hConference) != CC_OK) {
if (ValidateCall(hCall) == CC_OK) {
pCall->CallState = CALL_COMPLETE;
UnlockCall(pCall);
}
MemFree(CallList);
return CC_OK;
}
ASSERT(wNumCalls == 2); // one existing call and new call
if (CallList[0] == hCall)
hOldCall = CallList[1];
else
hOldCall = CallList[0];
if (LockCall(hOldCall, &pOldCall) == CC_OK) {
// Send MultipointModeCommand to old call
Pdu.choice = MSCMg_cmmnd_chosen;
Pdu.u.MSCMg_cmmnd.choice = miscellaneousCommand_chosen;
// logical channel number is irrelavent but needs to be filled in
Pdu.u.MSCMg_cmmnd.u.miscellaneousCommand.logicalChannelNumber = 1;
Pdu.u.MSCMg_cmmnd.u.miscellaneousCommand.type.choice = multipointModeCommand_chosen;
H245SendPDU(pOldCall->H245Instance, &Pdu);
status = AllocatePeerParticipantInfo(pConference,
&pOldCall->pPeerParticipantInfo);
if (status == CC_OK) {
// Send TerminalNumberAssign to old call
H245ConferenceIndication(pOldCall->H245Instance,
H245_IND_TERMINAL_NUMBER_ASSIGN,// Indication Type
0, // SBE number; ignored here
pOldCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bMCUNumber, // MCU number
pOldCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bTerminalNumber); // terminal number
// Send EnterH243TerminalID to old call
H245ConferenceRequest(pOldCall->H245Instance,
H245_REQ_ENTER_H243_TERMINAL_ID,
pOldCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bMCUNumber,
pOldCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bTerminalNumber);
pOldCall->pPeerParticipantInfo->TerminalIDState = TERMINAL_ID_REQUESTED;
}
if (pH245CommunicationTable != NULL) {
// Send CommunicationModeCommand to old call
status = H245CommunicationModeCommand(pOldCall->H245Instance,
pH245CommunicationTable,
bCommunicationTableCount);
FreeH245CommunicationTable(pH245CommunicationTable,
bCommunicationTableCount);
}
// Send TerminalJoinedConference (this call) to old call
H245ConferenceIndication(pOldCall->H245Instance,
H245_IND_TERMINAL_JOINED, // Indication Type
0, // SBE number; ignored here
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bMCUNumber, // MCU number
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bTerminalNumber); // terminal number // terminal number of MC
if (bNewTerminalNumber != 0) {
// Send TerminalJoinedConference (new call) to old call
H245ConferenceIndication(pOldCall->H245Instance,
H245_IND_TERMINAL_JOINED, // Indication Type
0, // SBE number; ignored here
bNewMCUNumber, // MCU number
bNewTerminalNumber); // terminal number
// Generate PEER_ADD callback for old call
PeerAddCallbackParams.hCall = pOldCall->hCall;
PeerAddCallbackParams.TerminalLabel =
pOldCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
PeerAddCallbackParams.pPeerTerminalID = NULL;
InvokeUserConferenceCallback(pConference,
CC_PEER_ADD_INDICATION,
CC_OK,
&PeerAddCallbackParams);
if (ValidateConference(hConference) != CC_OK) {
if (ValidateCall(hOldCall) == CC_OK)
UnlockCall(pCall);
if (ValidateCall(hCall) == CC_OK) {
pCall->CallState = CALL_COMPLETE;
UnlockCall(pCall);
}
MemFree(CallList);
return CC_OK;
}
}
// Send new term caps to old call
SendTermCaps(pOldCall, pConference);
UnlockCall(pOldCall);
}
} else { // we're currently in multipoint mode
EnumerateChannelsInConference(&wNumChannels,
&ChannelList,
pConference,
TX_CHANNEL | PROXY_CHANNEL | TXRX_CHANNEL);
for (i = 0; i < wNumChannels; i++) {
if (LockChannel(ChannelList[i], &pChannel) == CC_OK) {
if (pChannel->bMultipointChannel) {
if ((pChannel->bChannelType == TX_CHANNEL) ||
((pChannel->bChannelType == TXRX_CHANNEL) &&
(pChannel->bLocallyOpened == TRUE))) {
pTxTermCap = pChannel->pTxH245TermCap;
pTxMuxTable = pChannel->pTxMuxTable;
pRxTermCap = pChannel->pRxH245TermCap;
pRxMuxTable = pChannel->pRxMuxTable;
} else {
// Note: since this is a proxy or remotely-opened
// bi-directional channel, RxTermCap and RxMuxTable
// contain the channel's term cap and mux table,
// and must be sent to other endpoints as the
// Tx term cap and mux table;
// TxTermCap and TxMuxTable should be NULL
pTxTermCap = pChannel->pRxH245TermCap;
pTxMuxTable = pChannel->pRxMuxTable;
pRxTermCap = pChannel->pTxH245TermCap;
pRxMuxTable = pChannel->pTxMuxTable;
}
status = H245OpenChannel(
pCall->H245Instance,
pChannel->hChannel, // dwTransId
pChannel->wLocalChannelNumber,
pTxTermCap, // TxMode
pTxMuxTable, // TxMux
H245_INVALID_PORT_NUMBER, // TxPort
pRxTermCap, // RxMode
pRxMuxTable, // RxMux
pChannel->pSeparateStack);
if ((status == CC_OK) && (pChannel->wNumOutstandingRequests != 0))
(pChannel->wNumOutstandingRequests)++;
}
UnlockChannel(pChannel);
}
}
MemFree(ChannelList);
for (i = 0; i < wNumCalls; i++) {
// Don't send a message to the endpoint that just joined the conference!
if (CallList[i] != hCall) {
if (LockCall(CallList[i], &pOldCall) == CC_OK) {
if (bNewTerminalNumber != 0)
// Send TerminalJoinedConference (new call) to old call
H245ConferenceIndication(pOldCall->H245Instance,
H245_IND_TERMINAL_JOINED, // Indication Type
0, // SBE number; ignored here
bNewMCUNumber, // MCU number
bNewTerminalNumber); // terminal number
// Send CommunicationModeCommand, if necessary
if (pH245CommunicationTable != NULL)
status = H245CommunicationModeCommand(pOldCall->H245Instance,
pH245CommunicationTable,
bCommunicationTableCount);
if (bConferenceTermCapsChanged)
// Send new term caps
SendTermCaps(pOldCall, pConference);
UnlockCall(pOldCall);
}
}
}
if (bConferenceTermCapsChanged) {
// Generate CC_PEER_CHANGE_CAP callback
PeerChangeCapCallbackParams.pTermCapList =
pConference->pConferenceTermCapList;
PeerChangeCapCallbackParams.pH2250MuxCapability =
pConference->pConferenceH245H2250MuxCapability;
PeerChangeCapCallbackParams.pTermCapDescriptors =
pConference->pConferenceTermCapDescriptors;
InvokeUserConferenceCallback(pConference,
CC_PEER_CHANGE_CAP_INDICATION,
CC_OK,
&PeerChangeCapCallbackParams);
if (ValidateConference(hConference) != CC_OK) {
if (ValidateCall(hCall) == CC_OK) {
pCall->CallState = CALL_COMPLETE;
UnlockCall(pCall);
}
MemFree(CallList);
return CC_OK;
}
}
}
// Generate PEER_ADD callback
PeerAddCallbackParams.hCall = pCall->hCall;
PeerAddCallbackParams.TerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
PeerAddCallbackParams.pPeerTerminalID = NULL;
InvokeUserConferenceCallback(pConference,
CC_PEER_ADD_INDICATION,
CC_OK,
&PeerAddCallbackParams);
if (ValidateConference(hConference) != CC_OK) {
if (ValidateCall(hCall) == CC_OK) {
pCall->CallState = CALL_COMPLETE;
UnlockCall(pCall);
MemFree(CallList);
return CC_OK;
}
}
if (CallType == THIRD_PARTY_INTERMEDIARY) {
DestinationEndpointType.pVendorInfo = pCall->pPeerVendorInfo;
DestinationEndpointType.bIsTerminal = TRUE;
DestinationEndpointType.bIsGateway = FALSE;
status = Q931AcceptCall(pCall->hQ931CallInvitor,
pCall->pszPeerDisplay,
pCall->pPeerNonStandardData,
&DestinationEndpointType,
NULL,
pCall->hCall);
Q931Hangup(pCall->hQ931CallInvitor, CC_REJECT_NORMAL_CALL_CLEARING);
}
} // if (pConference->tsMultipointController == TS_TRUE)
}
MemFree(CallList);
if (ValidateConference(hConference) == CC_OK)
if ((CallType == CALLER) || (CallType == THIRD_PARTY_INVITOR) ||
((CallType == CALLEE) && (pConference->LocalEndpointAttached == NEVER_ATTACHED))) {
// This CONNECT must apply to the local endpoint
pConference->LocalEndpointAttached = ATTACHED;
InvokeUserConferenceCallback(pConference,
CC_CONNECT_INDICATION,
CC_OK,
&ConnectCallbackParams);
}
// Need to validate the conference and call handles; the associated
// objects may have been deleted during user callback on this thread
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
if (ValidateCall(hCall) == CC_OK) {
pCall->CallState = CALL_COMPLETE;
UnlockCall(pCall);
}
return status;
}
HRESULT _IndUnimplemented( H245_CONF_IND_T *pH245ConfIndData)
{
return H245_ERROR_NOSUP;
}
HRESULT _IndFlowControl( H245_CONF_IND_T *pH245ConfIndData)
{
HRESULT status;
CC_HCALL hCall;
PCALL pCall;
PCONFERENCE pConference;
CC_HCONFERENCE hConference;
CC_HCHANNEL hChannel;
PCHANNEL pChannel;
CC_FLOW_CONTROL_CALLBACK_PARAMS FlowControlCallbackParams;
if (pH245ConfIndData->u.Indication.u.IndFlowControl.Scope != H245_SCOPE_CHANNEL_NUMBER)
return H245_ERROR_NOSUP;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
status = LockCallAndConference(hCall, &pCall, &pConference);
if (status != CC_OK) {
// This may be OK, if the call was cancelled while
// call setup was in progress.
return H245_ERROR_OK;
}
hConference = pCall->hConference;
UnlockCall(pCall);
if (FindChannelInConference(pH245ConfIndData->u.Indication.u.IndFlowControl.Channel,
TRUE, // local channel number
TX_CHANNEL | PROXY_CHANNEL,
CC_INVALID_HANDLE,
&hChannel,
pConference) != CC_OK) {
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (LockChannel(hChannel, &pChannel) != CC_OK) {
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (pChannel->bChannelType == TX_CHANNEL) {
UnlockChannel(pChannel);
FlowControlCallbackParams.hChannel = hChannel;
FlowControlCallbackParams.dwRate =
pH245ConfIndData->u.Indication.u.IndFlowControl.dwRestriction;
InvokeUserConferenceCallback(pConference,
CC_FLOW_CONTROL_INDICATION,
CC_OK,
&FlowControlCallbackParams);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
} else { // pChannel->bChannelType == PROXY_CHANNEL
if (LockCall(pChannel->hCall, &pCall) == CC_OK) {
H245FlowControl(pCall->H245Instance,
pH245ConfIndData->u.Indication.u.IndFlowControl.Scope,
pChannel->wRemoteChannelNumber,
pH245ConfIndData->u.Indication.u.IndFlowControl.wResourceID,
pH245ConfIndData->u.Indication.u.IndFlowControl.dwRestriction);
UnlockCall(pCall);
}
UnlockChannel(pChannel);
UnlockConference(pConference);
}
return H245_ERROR_OK;
}
HRESULT _IndEndSession( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (hCall != CC_INVALID_HANDLE)
ProcessRemoteHangup(hCall, CC_INVALID_HANDLE, CC_REJECT_NORMAL_CALL_CLEARING);
return H245_ERROR_OK;
}
HRESULT _IndCapability( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
HRESULT status;
PCONFERENCE pConference;
CC_HCONFERENCE hConference;
CC_PEER_CHANGE_CAP_CALLBACK_PARAMS PeerChangeCapCallbackParams;
BOOL bConferenceTermCapsChanged;
WORD wNumCalls;
PCC_HCALL CallList;
PCALL pOldCall;
WORD i;
// We received a TerminalCapabilitySet message from a peer
hCall = pH245ConfIndData->u.Indication.dwPreserved;
status = LockCallAndConference(hCall, &pCall, &pConference);
if (status != CC_OK) {
// This may be OK, if the call was cancelled while
// call setup was in progress.
return H245_ERROR_OK;
}
hConference = pCall->hConference;
if ((pConference->ConferenceMode == MULTIPOINT_MODE) &&
(pConference->tsMultipointController == TS_TRUE))
CreateConferenceTermCaps(pConference, &bConferenceTermCapsChanged);
else
bConferenceTermCapsChanged = FALSE;
pCall->bLinkEstablished = TRUE;
pCall->IncomingTermCapState = TERMCAP_COMPLETE;
if (pCall->CallState == TERMCAP) {
ASSERT(pCall->pPeerH245TermCapList == NULL);
ASSERT(pCall->pPeerH245H2250MuxCapability == NULL);
ASSERT(pCall->pPeerH245TermCapDescriptors == NULL);
} else {
DestroyH245TermCapList(&pCall->pPeerH245TermCapList);
DestroyH245TermCap(&pCall->pPeerH245H2250MuxCapability);
DestroyH245TermCapDescriptors(&pCall->pPeerH245TermCapDescriptors);
}
_ConstructTermCapList(&(pCall->pPeerH245TermCapList),
&(pCall->pPeerH245H2250MuxCapability),
&(pCall->pPeerH245TermCapDescriptors),
pCall);
if ((pCall->OutgoingTermCapState == TERMCAP_COMPLETE) &&
(pCall->IncomingTermCapState == TERMCAP_COMPLETE) &&
(pCall->CallState == TERMCAP) &&
(pCall->MasterSlaveState == MASTER_SLAVE_COMPLETE)) {
// Note that _ProcessConnectionComplete() returns with pConference and pCall unlocked
_ProcessConnectionComplete(pConference, pCall);
return H245_ERROR_OK;
}
if (pCall->CallState == CALL_COMPLETE) {
if ((pConference->ConferenceMode == MULTIPOINT_MODE) &&
(pConference->tsMultipointController == TS_TRUE)) {
CreateConferenceTermCaps(pConference, &bConferenceTermCapsChanged);
if (bConferenceTermCapsChanged) {
EnumerateCallsInConference(&wNumCalls, &CallList, pConference, ESTABLISHED_CALL);
for (i = 0; i < wNumCalls; i++) {
// Don't send a message to the endpoint that just joined the conference!
if (CallList[i] != hCall) {
if (LockCall(CallList[i], &pOldCall) == CC_OK) {
// Send new term caps
SendTermCaps(pOldCall, pConference);
UnlockCall(pOldCall);
}
}
}
if (CallList != NULL)
MemFree(CallList);
// Generate CC_PEER_CHANGE_CAP callback
PeerChangeCapCallbackParams.pTermCapList =
pConference->pConferenceTermCapList;
PeerChangeCapCallbackParams.pH2250MuxCapability =
pConference->pConferenceH245H2250MuxCapability;
PeerChangeCapCallbackParams.pTermCapDescriptors =
pConference->pConferenceTermCapDescriptors;
InvokeUserConferenceCallback(pConference,
CC_PEER_CHANGE_CAP_INDICATION,
CC_OK,
&PeerChangeCapCallbackParams);
}
} else {
PeerChangeCapCallbackParams.pTermCapList = pCall->pPeerH245TermCapList;
PeerChangeCapCallbackParams.pH2250MuxCapability = pCall->pPeerH245H2250MuxCapability;
PeerChangeCapCallbackParams.pTermCapDescriptors = pCall->pPeerH245TermCapDescriptors;
InvokeUserConferenceCallback(pConference,
CC_PEER_CHANGE_CAP_INDICATION,
CC_OK,
&PeerChangeCapCallbackParams);
}
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
return H245_ERROR_OK;
}
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _IndOpenT120( H245_CONF_IND_T *pH245ConfIndData)
{
BOOL bFailed;
CC_T120_CHANNEL_REQUEST_CALLBACK_PARAMS T120ChannelRequestCallbackParams;
CC_HCALL hCall;
PCALL pCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
CC_HCHANNEL hChannel;
PCHANNEL pChannel;
CC_TERMCAP RxTermCap;
CC_TERMCAP TxTermCap;
H245_MUX_T RxH245MuxTable;
H245_MUX_T TxH245MuxTable;
CC_ADDR T120Addr;
CC_OCTETSTRING ExternalReference;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK) {
// Can't cancel with H245, because we don't have the H245 instance
return H245_ERROR_OK;
}
hConference = pCall->hConference;
if (pH245ConfIndData->u.Indication.u.IndOpen.RxDataType != H245_DATA_DATA ||
pH245ConfIndData->u.Indication.u.IndOpen.RxClientType != H245_CLIENT_DAT_T120 ||
pH245ConfIndData->u.Indication.u.IndOpen.pRxCap == NULL ||
pH245ConfIndData->u.Indication.u.IndOpen.pRxCap->H245Dat_T120.application.choice != DACy_applctn_t120_chosen ||
pH245ConfIndData->u.Indication.u.IndOpen.pRxCap->H245Dat_T120.application.u.DACy_applctn_t120.choice != separateLANStack_chosen ||
pH245ConfIndData->u.Indication.u.IndOpen.TxDataType != H245_DATA_DATA ||
pH245ConfIndData->u.Indication.u.IndOpen.TxClientType != H245_CLIENT_DAT_T120 ||
pH245ConfIndData->u.Indication.u.IndOpen.pTxCap == NULL ||
pH245ConfIndData->u.Indication.u.IndOpen.pTxCap->H245Dat_T120.application.choice != DACy_applctn_t120_chosen ||
pH245ConfIndData->u.Indication.u.IndOpen.pTxCap->H245Dat_T120.application.u.DACy_applctn_t120.choice != separateLANStack_chosen) {
bFailed = TRUE;
} else {
bFailed = FALSE;
}
if (pH245ConfIndData->u.Indication.u.IndOpen.pSeparateStack) {
if ((pH245ConfIndData->u.Indication.u.IndOpen.pSeparateStack->networkAddress.choice == localAreaAddress_chosen) &&
(pH245ConfIndData->u.Indication.u.IndOpen.pSeparateStack->networkAddress.u.localAreaAddress.choice == unicastAddress_chosen) &&
(pH245ConfIndData->u.Indication.u.IndOpen.pSeparateStack->networkAddress.u.localAreaAddress.u.unicastAddress.choice == UnicastAddress_iPAddress_chosen)) {
T120Addr.nAddrType = CC_IP_BINARY;
T120Addr.bMulticast = FALSE;
T120Addr.Addr.IP_Binary.wPort =
pH245ConfIndData->u.Indication.u.IndOpen.pSeparateStack->networkAddress.u.localAreaAddress.u.unicastAddress.u.UnicastAddress_iPAddress.tsapIdentifier;
H245IPNetworkToHost(&T120Addr.Addr.IP_Binary.dwAddr,
pH245ConfIndData->u.Indication.u.IndOpen.pSeparateStack->networkAddress.u.localAreaAddress.u.unicastAddress.u.UnicastAddress_iPAddress.network.value);
} else {
bFailed = TRUE;
}
}
if (bFailed) {
H245OpenChannelReject(pCall->H245Instance, // H245 instance
pH245ConfIndData->u.Indication.u.IndOpen.RxChannel,
H245_REJ); // rejection reason
UnlockConference(pConference);
UnlockCall(pCall);
return H245_ERROR_OK;
}
RxTermCap.Dir = H245_CAPDIR_RMTTX;
RxTermCap.DataType = pH245ConfIndData->u.Indication.u.IndOpen.RxDataType;
RxTermCap.ClientType = pH245ConfIndData->u.Indication.u.IndOpen.RxClientType;
RxTermCap.CapId = 0; // not used for channels
RxTermCap.Cap = *pH245ConfIndData->u.Indication.u.IndOpen.pRxCap;
TxTermCap.Dir = H245_CAPDIR_RMTTX;
TxTermCap.DataType = pH245ConfIndData->u.Indication.u.IndOpen.TxDataType;
TxTermCap.ClientType = pH245ConfIndData->u.Indication.u.IndOpen.TxClientType;
TxTermCap.CapId = 0; // not used for channels
TxTermCap.Cap = *pH245ConfIndData->u.Indication.u.IndOpen.pTxCap;
RxH245MuxTable = *pH245ConfIndData->u.Indication.u.IndOpen.pRxMux;
if ((pCall->pPeerParticipantInfo != NULL) &&
(pCall->pPeerParticipantInfo->TerminalIDState == TERMINAL_ID_VALID)) {
RxH245MuxTable.u.H2250.destinationPresent = TRUE;
RxH245MuxTable.u.H2250.destination.mcuNumber = pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bMCUNumber;
RxH245MuxTable.u.H2250.destination.terminalNumber = pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bTerminalNumber;
} else
RxH245MuxTable.u.H2250.destinationPresent = FALSE;
if(pH245ConfIndData->u.Indication.u.IndOpen.pTxMux)
{
TxH245MuxTable = *pH245ConfIndData->u.Indication.u.IndOpen.pTxMux;
TxH245MuxTable.u.H2250.destinationPresent = FALSE;
}
if (AllocAndLockChannel(&hChannel,
pConference,
hCall,
&TxTermCap, // Tx terminal capability
&RxTermCap, // Rx terminal capability
(pH245ConfIndData->u.Indication.u.IndOpen.pTxMux)?
&TxH245MuxTable: NULL, // Tx H245 mux table
&RxH245MuxTable, // Rx H245 mux table
pH245ConfIndData->u.Indication.u.IndOpen.pSeparateStack, // separate stack
0, // user token
TXRX_CHANNEL, // channel type
0, // session ID
0, // associated session ID
pH245ConfIndData->u.Indication.u.IndOpen.RxChannel, // remote bi-dir channel number
NULL, // pLocalRTPAddr
NULL, // pLocalRTCPAddr
NULL, // pPeerRTPAddr
NULL, // pPeerRTCPAddr
FALSE, // locally opened
&pChannel) != CC_OK) {
H245OpenChannelReject(pCall->H245Instance, // H245 instance
pH245ConfIndData->u.Indication.u.IndOpen.RxChannel,
H245_REJ); // rejection reason
UnlockConference(pConference);
UnlockCall(pCall);
return H245_ERROR_OK;
}
if (AddChannelToConference(pChannel, pConference) != CC_OK) {
H245OpenChannelReject(pCall->H245Instance, // H245 instance
pH245ConfIndData->u.Indication.u.IndOpen.RxChannel,
H245_REJ); // rejection reason
UnlockConference(pConference);
UnlockCall(pCall);
FreeChannel(pChannel);
return H245_ERROR_OK;
}
T120ChannelRequestCallbackParams.hChannel = hChannel;
if (pH245ConfIndData->u.Indication.u.IndOpen.pSeparateStack == NULL) {
T120ChannelRequestCallbackParams.bAssociateConference = FALSE;
T120ChannelRequestCallbackParams.pExternalReference = NULL;
T120ChannelRequestCallbackParams.pAddr = NULL;
} else {
T120ChannelRequestCallbackParams.bAssociateConference =
pH245ConfIndData->u.Indication.u.IndOpen.pSeparateStack->associateConference;
if (pH245ConfIndData->u.Indication.u.IndOpen.pSeparateStack->bit_mask & externalReference_present) {
ExternalReference.wOctetStringLength = (WORD)
pH245ConfIndData->u.Indication.u.IndOpen.pSeparateStack->externalReference.length;
ExternalReference.pOctetString =
pH245ConfIndData->u.Indication.u.IndOpen.pSeparateStack->externalReference.value;
T120ChannelRequestCallbackParams.pExternalReference = &ExternalReference;
} else
T120ChannelRequestCallbackParams.pExternalReference = NULL;
T120ChannelRequestCallbackParams.pAddr = &T120Addr;
}
if ((pConference->ConferenceMode == MULTIPOINT_MODE) &&
(pConference->tsMultipointController == TS_TRUE))
T120ChannelRequestCallbackParams.bMultipointController = TRUE;
else
T120ChannelRequestCallbackParams.bMultipointController = FALSE;
if (pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.destinationPresent) {
T120ChannelRequestCallbackParams.TerminalLabel.bMCUNumber =
(BYTE)pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.destination.mcuNumber;
T120ChannelRequestCallbackParams.TerminalLabel.bTerminalNumber =
(BYTE)pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.destination.terminalNumber;
} else {
T120ChannelRequestCallbackParams.TerminalLabel.bMCUNumber = 255;
T120ChannelRequestCallbackParams.TerminalLabel.bTerminalNumber = 255;
}
pChannel->wNumOutstandingRequests = 1;
InvokeUserConferenceCallback(pConference,
CC_T120_CHANNEL_REQUEST_INDICATION,
CC_OK,
&T120ChannelRequestCallbackParams);
if (ValidateChannel(hChannel) == CC_OK)
UnlockChannel(pChannel);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _IndOpen( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
PCALL pOldCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
WORD wNumCalls;
PCC_HCALL CallList;
CC_HCHANNEL hChannel;
PCHANNEL pChannel;
CC_TERMCAP TermCap;
CC_ADDR PeerRTPAddr;
CC_ADDR PeerRTCPAddr;
CC_RX_CHANNEL_REQUEST_CALLBACK_PARAMS RxChannelRequestCallbackParams;
BYTE bChannelType;
WORD i;
H245_MUX_T H245MuxTable;
PCC_ADDR pLocalRTPAddr;
PCC_ADDR pLocalRTCPAddr;
PCC_ADDR pPeerRTPAddr;
PCC_ADDR pPeerRTCPAddr;
BOOL bFoundSession;
HRESULT status;
// First check to see if this is a T.120 channel request,
// as T.120 channels are handled differently then other channels
if (pH245ConfIndData->u.Indication.u.IndOpen.RxClientType == H245_CLIENT_DAT_T120) {
status = _IndOpenT120(pH245ConfIndData);
return status;
}
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK) {
// Can't cancel with H245, because we don't have the H245 instance
return H245_ERROR_OK;
}
// Make sure that this is not a bi-directional channel
if (pH245ConfIndData->u.Indication.u.IndOpen.pTxMux != NULL) {
H245OpenChannelReject(pCall->H245Instance, // H245 instance
pH245ConfIndData->u.Indication.u.IndOpen.RxChannel,
H245_REJ); // rejection reason
UnlockConference(pConference);
UnlockCall(pCall);
return H245_ERROR_OK;
}
hConference = pCall->hConference;
TermCap.Dir = H245_CAPDIR_RMTTX;
TermCap.DataType = pH245ConfIndData->u.Indication.u.IndOpen.RxDataType;
TermCap.ClientType = pH245ConfIndData->u.Indication.u.IndOpen.RxClientType;
TermCap.CapId = 0; // not used for Rx channels
TermCap.Cap = *pH245ConfIndData->u.Indication.u.IndOpen.pRxCap;
RxChannelRequestCallbackParams.pChannelCapability = &TermCap;
if ((pH245ConfIndData->u.Indication.u.IndOpen.pRxMux != NULL) &&
(pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->Kind == H245_H2250)) {
RxChannelRequestCallbackParams.bSessionID =
pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.sessionID;
if (pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.associatedSessionIDPresent)
RxChannelRequestCallbackParams.bAssociatedSessionID =
pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.associatedSessionID;
else
RxChannelRequestCallbackParams.bAssociatedSessionID = 0;
if (pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.silenceSuppressionPresent)
RxChannelRequestCallbackParams.bSilenceSuppression =
pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.silenceSuppression;
else
RxChannelRequestCallbackParams.bSilenceSuppression = FALSE;
if ((pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.mediaChannelPresent) &&
((pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.mediaChannel.type == H245_IP_MULTICAST) ||
(pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.mediaChannel.type == H245_IP_UNICAST))) {
RxChannelRequestCallbackParams.pPeerRTPAddr = &PeerRTPAddr;
PeerRTPAddr.nAddrType = CC_IP_BINARY;
if (pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.mediaChannel.type == H245_IP_MULTICAST)
PeerRTPAddr.bMulticast = TRUE;
else
PeerRTPAddr.bMulticast = FALSE;
PeerRTPAddr.Addr.IP_Binary.wPort =
pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.mediaChannel.u.ip.tsapIdentifier;
H245IPNetworkToHost(&PeerRTPAddr.Addr.IP_Binary.dwAddr,
pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.mediaChannel.u.ip.network);
} else
RxChannelRequestCallbackParams.pPeerRTPAddr = NULL;
if ((pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.mediaControlChannelPresent) &&
((pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.mediaControlChannel.type == H245_IP_MULTICAST) ||
(pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.mediaControlChannel.type == H245_IP_UNICAST))) {
RxChannelRequestCallbackParams.pPeerRTCPAddr = &PeerRTCPAddr;
PeerRTCPAddr.nAddrType = CC_IP_BINARY;
if (pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.mediaControlChannel.type == H245_IP_MULTICAST)
PeerRTCPAddr.bMulticast = TRUE;
else
PeerRTCPAddr.bMulticast = FALSE;
PeerRTCPAddr.Addr.IP_Binary.wPort =
pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.mediaControlChannel.u.ip.tsapIdentifier;
H245IPNetworkToHost(&PeerRTCPAddr.Addr.IP_Binary.dwAddr,
pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.mediaControlChannel.u.ip.network);
} else
RxChannelRequestCallbackParams.pPeerRTCPAddr = NULL;
if (pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.destinationPresent) {
RxChannelRequestCallbackParams.TerminalLabel.bMCUNumber =
(BYTE)pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.destination.mcuNumber;
RxChannelRequestCallbackParams.TerminalLabel.bTerminalNumber =
(BYTE)pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.destination.terminalNumber;
} else {
RxChannelRequestCallbackParams.TerminalLabel.bMCUNumber = 255;
RxChannelRequestCallbackParams.TerminalLabel.bTerminalNumber = 255;
}
if (pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.dynamicRTPPayloadTypePresent)
RxChannelRequestCallbackParams.bRTPPayloadType =
pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.dynamicRTPPayloadType;
else
RxChannelRequestCallbackParams.bRTPPayloadType = 0;
} else {
H245OpenChannelReject(pCall->H245Instance, // H245 instance
pH245ConfIndData->u.Indication.u.IndOpen.RxChannel,
H245_REJ); // rejection reason
UnlockConference(pConference);
UnlockCall(pCall);
return H245_ERROR_OK;
}
// XXX -- someday we should allow dynamic sessions to be created on the MC
if (pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.sessionID == 0) {
H245OpenChannelReject(pCall->H245Instance, // H245 instance
pH245ConfIndData->u.Indication.u.IndOpen.RxChannel,
H245_REJ); // rejection reason
UnlockConference(pConference);
UnlockCall(pCall);
return H245_ERROR_OK;
}
if (pConference->ConferenceMode == MULTIPOINT_MODE) {
if ((pConference->tsMultipointController == TS_TRUE) &&
((RxChannelRequestCallbackParams.pPeerRTPAddr != NULL) ||
(RxChannelRequestCallbackParams.pPeerRTCPAddr != NULL)) ||
((pConference->tsMultipointController == TS_FALSE) &&
((RxChannelRequestCallbackParams.pPeerRTPAddr == NULL) ||
(RxChannelRequestCallbackParams.pPeerRTCPAddr == NULL) ||
(RxChannelRequestCallbackParams.bSessionID == 0)))) {
H245OpenChannelReject(pCall->H245Instance, // H245 instance
pH245ConfIndData->u.Indication.u.IndOpen.RxChannel,
H245_REJ); // rejection reason
UnlockConference(pConference);
UnlockCall(pCall);
return H245_ERROR_OK;
}
// Validate session ID
pLocalRTPAddr = NULL;
pLocalRTCPAddr = NULL;
bFoundSession = FALSE;
if (pConference->pSessionTable != NULL) {
for (i = 0; i < pConference->pSessionTable->wLength; i++) {
if (pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.sessionID ==
pConference->pSessionTable->SessionInfoArray[i].bSessionID) {
bFoundSession = TRUE;
pLocalRTPAddr = pConference->pSessionTable->SessionInfoArray[i].pRTPAddr;
pLocalRTCPAddr = pConference->pSessionTable->SessionInfoArray[i].pRTCPAddr;
break;
}
}
}
if (bFoundSession == FALSE) {
H245OpenChannelReject(pCall->H245Instance, // H245 instance
pH245ConfIndData->u.Indication.u.IndOpen.RxChannel,
H245_REJ); // rejection reason
UnlockConference(pConference);
UnlockCall(pCall);
return H245_ERROR_OK;
}
ASSERT(pLocalRTPAddr != NULL);
ASSERT(pLocalRTCPAddr != NULL);
if (pConference->tsMultipointController == TS_TRUE) {
pPeerRTPAddr = pLocalRTPAddr;
pPeerRTCPAddr = pLocalRTCPAddr;
RxChannelRequestCallbackParams.pPeerRTPAddr = pLocalRTPAddr;
RxChannelRequestCallbackParams.pPeerRTCPAddr = pLocalRTCPAddr;
bChannelType = PROXY_CHANNEL;
} else { // multipoint mode, not MC
pLocalRTPAddr = RxChannelRequestCallbackParams.pPeerRTPAddr;
pLocalRTCPAddr = RxChannelRequestCallbackParams.pPeerRTCPAddr;
pPeerRTPAddr = RxChannelRequestCallbackParams.pPeerRTPAddr;
pPeerRTCPAddr = RxChannelRequestCallbackParams.pPeerRTCPAddr;
bChannelType = RX_CHANNEL;
}
} else { // not multipoint mode
pLocalRTPAddr = NULL;
pLocalRTCPAddr = NULL;
pPeerRTPAddr = RxChannelRequestCallbackParams.pPeerRTPAddr;
pPeerRTCPAddr = RxChannelRequestCallbackParams.pPeerRTCPAddr;
bChannelType = RX_CHANNEL;
}
H245MuxTable = *pH245ConfIndData->u.Indication.u.IndOpen.pRxMux;
if ((pCall->pPeerParticipantInfo != NULL) &&
(pCall->pPeerParticipantInfo->TerminalIDState == TERMINAL_ID_VALID)) {
H245MuxTable.u.H2250.destinationPresent = TRUE;
H245MuxTable.u.H2250.destination.mcuNumber = pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bMCUNumber;
H245MuxTable.u.H2250.destination.terminalNumber = pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bTerminalNumber;
} else
H245MuxTable.u.H2250.destinationPresent = FALSE;
if (pLocalRTPAddr != NULL) {
if (pLocalRTPAddr->bMulticast)
H245MuxTable.u.H2250.mediaChannel.type = H245_IP_MULTICAST;
else
H245MuxTable.u.H2250.mediaChannel.type = H245_IP_UNICAST;
H245MuxTable.u.H2250.mediaChannel.u.ip.tsapIdentifier =
pLocalRTPAddr->Addr.IP_Binary.wPort;
HostToH245IPNetwork(H245MuxTable.u.H2250.mediaChannel.u.ip.network,
pLocalRTPAddr->Addr.IP_Binary.dwAddr);
H245MuxTable.u.H2250.mediaChannelPresent = TRUE;
} else
H245MuxTable.u.H2250.mediaChannelPresent = FALSE;
if (pLocalRTCPAddr != NULL) {
if (pLocalRTCPAddr->bMulticast)
H245MuxTable.u.H2250.mediaControlChannel.type = H245_IP_MULTICAST;
else
H245MuxTable.u.H2250.mediaControlChannel.type = H245_IP_UNICAST;
H245MuxTable.u.H2250.mediaControlChannel.u.ip.tsapIdentifier =
pLocalRTCPAddr->Addr.IP_Binary.wPort;
HostToH245IPNetwork(H245MuxTable.u.H2250.mediaControlChannel.u.ip.network,
pLocalRTCPAddr->Addr.IP_Binary.dwAddr);
H245MuxTable.u.H2250.mediaControlChannelPresent = TRUE;
} else
H245MuxTable.u.H2250.mediaControlChannelPresent = FALSE;
if (AllocAndLockChannel(&hChannel,
pConference,
hCall,
NULL, // Tx terminal capability
&TermCap, // Rx terminal capability
NULL, // Tx H245 mux table
&H245MuxTable, // Rx H245 mux table
NULL, // separate stack
0, // user token
bChannelType,
pH245ConfIndData->u.Indication.u.IndOpen.pRxMux->u.H2250.sessionID,
RxChannelRequestCallbackParams.bAssociatedSessionID,
pH245ConfIndData->u.Indication.u.IndOpen.RxChannel,
pLocalRTPAddr, // pLocalRTPAddr
pLocalRTCPAddr, // pLocalRTCPAddr
pPeerRTPAddr, // pPeerRTPAddr
pPeerRTCPAddr, // pPeerRTCPAddr
FALSE, // locally opened
&pChannel) != CC_OK) {
H245OpenChannelReject(pCall->H245Instance, // H245 instance
pH245ConfIndData->u.Indication.u.IndOpen.RxChannel,
H245_REJ); // rejection reason
UnlockConference(pConference);
UnlockCall(pCall);
return H245_ERROR_OK;
}
if (AddChannelToConference(pChannel, pConference) != CC_OK) {
H245OpenChannelReject(pCall->H245Instance, // H245 instance
pH245ConfIndData->u.Indication.u.IndOpen.RxChannel,
H245_REJ); // rejection reason
UnlockConference(pConference);
UnlockCall(pCall);
FreeChannel(pChannel);
return H245_ERROR_OK;
}
RxChannelRequestCallbackParams.hChannel = hChannel;
if ((pConference->ConferenceMode == MULTIPOINT_MODE) &&
(pConference->tsMultipointController == TS_TRUE)) {
// Open this channel to each peer in the conference (except the peer
// that requested this channel)
EnumerateCallsInConference(&wNumCalls, &CallList, pConference, ESTABLISHED_CALL);
for (i = 0; i < wNumCalls; i++) {
if (CallList[i] != hCall) {
if (LockCall(CallList[i], &pOldCall) == CC_OK) {
ASSERT(pChannel->bChannelType == PROXY_CHANNEL);
// Note: since this is a proxy channel, RxTermCap and RxMuxTable
// contain the channel's term cap and mux table, and must be sent
// to other endpoints as the Tx term cap and mux table;
// TxTermCap and TxMuxTable should be NULL
if (H245OpenChannel(pOldCall->H245Instance,
pChannel->hChannel, // dwTransId
pChannel->wLocalChannelNumber,
pChannel->pRxH245TermCap, // TxMode
pChannel->pRxMuxTable, // TxMux
H245_INVALID_PORT_NUMBER, // TxPort
pChannel->pTxH245TermCap, // RxMode
pChannel->pTxMuxTable, // RxMux
pChannel->pSeparateStack) == CC_OK)
(pChannel->wNumOutstandingRequests)++;
UnlockCall(pOldCall);
}
}
}
MemFree(CallList);
if (pConference->LocalEndpointAttached == ATTACHED)
(pChannel->wNumOutstandingRequests)++;
if (pChannel->wNumOutstandingRequests == 0) {
H245OpenChannelReject(pCall->H245Instance, // H245 instance
pH245ConfIndData->u.Indication.u.IndOpen.RxChannel,
H245_REJ); // rejection reason
UnlockConference(pConference);
UnlockCall(pCall);
FreeChannel(pChannel);
return H245_ERROR_OK;
}
} else
pChannel->wNumOutstandingRequests = 1;
InvokeUserConferenceCallback(pConference,
CC_RX_CHANNEL_REQUEST_INDICATION,
CC_OK,
&RxChannelRequestCallbackParams);
if (ValidateChannel(hChannel) == CC_OK)
UnlockChannel(pChannel);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _IndOpenConf( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
CC_HCHANNEL hChannel;
CC_ACCEPT_CHANNEL_CALLBACK_PARAMS AcceptChannelCallbackParams;
// Bi-directional channel open initiated by remote peer is now complete.
// Local peer may now send data over this channel.
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pConference->hConference;
UnlockCall(pCall);
if (FindChannelInConference(pH245ConfIndData->u.Indication.u.IndOpenConf.TxChannel,
FALSE, // remote channel number
TXRX_CHANNEL,
hCall,
&hChannel,
pConference) != CC_OK) {
UnlockConference(pConference);
return H245_ERROR_OK;
}
AcceptChannelCallbackParams.hChannel = hChannel;
InvokeUserConferenceCallback(pConference,
CC_ACCEPT_CHANNEL_INDICATION,
CC_OK,
&AcceptChannelCallbackParams);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _IndMstslv( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
PCONFERENCE pConference;
CC_CONNECT_CALLBACK_PARAMS ConnectCallbackParams;
CC_HCALL hEnqueuedCall;
PCALL pEnqueuedCall;
CC_HCONFERENCE hConference;
HRESULT status;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK) {
// Can't cancel with H245, because we don't have the H245 instance
return H245_ERROR_OK;
}
ASSERT(pCall->MasterSlaveState != MASTER_SLAVE_COMPLETE);
switch (pH245ConfIndData->u.Indication.u.IndMstSlv) {
case H245_MASTER:
pConference->tsMaster = TS_TRUE;
if (pConference->tsMultipointController == TS_UNKNOWN) {
ASSERT(pConference->bMultipointCapable == TRUE);
pConference->tsMultipointController = TS_TRUE;
// place all calls enqueued on this conference object
for ( ; ; ) {
// Start up all enqueued calls, if any exist
status = RemoveEnqueuedCallFromConference(pConference, &hEnqueuedCall);
if ((status != CC_OK) || (hEnqueuedCall == CC_INVALID_HANDLE))
break;
status = LockCall(hEnqueuedCall, &pEnqueuedCall);
if (status == CC_OK) {
pEnqueuedCall->CallState = PLACED;
status = PlaceCall(pEnqueuedCall, pConference);
UnlockCall(pEnqueuedCall);
}
}
}
break;
case H245_SLAVE:
ASSERT(pConference->tsMaster != TS_TRUE);
ASSERT(pConference->tsMultipointController != TS_TRUE);
pConference->tsMaster = TS_FALSE;
pConference->tsMultipointController = TS_FALSE;
// XXX -- we may eventually want to re-enqueue these requests
// and set an expiration timer
hConference = pConference->hConference;
for ( ; ; ) {
status = RemoveEnqueuedCallFromConference(pConference, &hEnqueuedCall);
if ((status != CC_OK) || (hEnqueuedCall == CC_INVALID_HANDLE))
break;
status = LockCall(hEnqueuedCall, &pEnqueuedCall);
if (status == CC_OK) {
MarkCallForDeletion(pEnqueuedCall);
ConnectCallbackParams.pNonStandardData = pEnqueuedCall->pPeerNonStandardData;
ConnectCallbackParams.pszPeerDisplay = pEnqueuedCall->pszPeerDisplay;
ConnectCallbackParams.bRejectReason = CC_REJECT_UNDEFINED_REASON;
ConnectCallbackParams.pTermCapList = pEnqueuedCall->pPeerH245TermCapList;
ConnectCallbackParams.pH2250MuxCapability = pEnqueuedCall->pPeerH245H2250MuxCapability;
ConnectCallbackParams.pTermCapDescriptors = pEnqueuedCall->pPeerH245TermCapDescriptors;
ConnectCallbackParams.pLocalAddr = pEnqueuedCall->pQ931LocalConnectAddr;
if (pEnqueuedCall->pQ931DestinationAddr == NULL)
ConnectCallbackParams.pPeerAddr = pEnqueuedCall->pQ931PeerConnectAddr;
else
ConnectCallbackParams.pPeerAddr = pEnqueuedCall->pQ931DestinationAddr;
ConnectCallbackParams.pVendorInfo = pEnqueuedCall->pPeerVendorInfo;
ConnectCallbackParams.bMultipointConference = TRUE;
ConnectCallbackParams.pConferenceID = &pConference->ConferenceID;
ConnectCallbackParams.pMCAddress = pConference->pMultipointControllerAddr;
ConnectCallbackParams.pAlternateAddress = NULL;
ConnectCallbackParams.dwUserToken = pEnqueuedCall->dwUserToken;
InvokeUserConferenceCallback(pConference,
CC_CONNECT_INDICATION,
CC_NOT_MULTIPOINT_CAPABLE,
&ConnectCallbackParams);
if (ValidateCallMarkedForDeletion(hEnqueuedCall) == CC_OK)
FreeCall(pEnqueuedCall);
if (ValidateConference(hConference) != CC_OK) {
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
return H245_ERROR_OK;
}
}
}
break;
default: // H245_INDETERMINATE
UnlockConference(pConference);
if (++pCall->wMasterSlaveRetry < MASTER_SLAVE_RETRY_MAX) {
H245InitMasterSlave(pCall->H245Instance, pCall->H245Instance);
UnlockCall(pCall);
} else {
UnlockCall(pCall);
ProcessRemoteHangup(hCall, CC_INVALID_HANDLE, CC_REJECT_UNDEFINED_REASON);
}
return H245_ERROR_OK;
} // switch
pCall->MasterSlaveState = MASTER_SLAVE_COMPLETE;
if ((pCall->OutgoingTermCapState == TERMCAP_COMPLETE) &&
(pCall->IncomingTermCapState == TERMCAP_COMPLETE) &&
(pCall->CallState == TERMCAP) &&
(pCall->MasterSlaveState == MASTER_SLAVE_COMPLETE)) {
// Note that _ProcessConnectionComplete() returns with pConference and pCall unlocked
_ProcessConnectionComplete(pConference, pCall);
return H245_ERROR_OK;
}
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _IndClose( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
CC_HCHANNEL hChannel;
PCHANNEL pChannel;
WORD i;
WORD wNumCalls;
PCC_HCALL CallList;
CC_RX_CHANNEL_CLOSE_CALLBACK_PARAMS RxChannelCloseCallbackParams;
#ifdef GATEKEEPER
unsigned uBandwidth;
#endif // GATEKEEPER
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pCall->hConference;
UnlockCall(pCall);
if (FindChannelInConference(pH245ConfIndData->u.Indication.u.IndClose.Channel,
FALSE, // remote channel number
RX_CHANNEL | TXRX_CHANNEL | PROXY_CHANNEL,
hCall,
&hChannel,
pConference) != CC_OK) {
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (LockChannel(hChannel, &pChannel) != CC_OK)
return H245_ERROR_OK;
EnumerateCallsInConference(&wNumCalls, &CallList, pConference, ESTABLISHED_CALL);
#ifdef GATEKEEPER
if(GKIExists())
{
if (pChannel->bChannelType != TXRX_CHANNEL)
{
uBandwidth = pChannel->dwChannelBitRate / 100;
for (i = 0; i < wNumCalls; i++)
{
if (LockCall(CallList[i], &pCall) == CC_OK)
{
if (uBandwidth && pCall->GkiCall.uBandwidthUsed >= uBandwidth)
{
if (GkiCloseChannel(&pCall->GkiCall, pChannel->dwChannelBitRate, hChannel) == CC_OK)
{
uBandwidth = 0;
UnlockCall(pCall);
break;
}
}
UnlockCall(pCall);
}
} // for
}
}
#endif // GATEKEEPER
if (pChannel->bChannelType == PROXY_CHANNEL) {
ASSERT(pConference->ConferenceMode == MULTIPOINT_MODE);
ASSERT(pConference->tsMultipointController == TS_TRUE);
ASSERT(pChannel->bMultipointChannel == TRUE);
for (i = 0; i < wNumCalls; i++) {
if (CallList[i] != hCall) {
if (LockCall(CallList[i], &pCall) == CC_OK) {
H245CloseChannel(pCall->H245Instance, // H245 instance
0, // dwTransId
pChannel->wLocalChannelNumber);
UnlockCall(pCall);
}
}
}
}
if (CallList != NULL)
MemFree(CallList);
if (pChannel->tsAccepted == TS_TRUE) {
RxChannelCloseCallbackParams.hChannel = hChannel;
InvokeUserConferenceCallback(pConference,
CC_RX_CHANNEL_CLOSE_INDICATION,
CC_OK,
&RxChannelCloseCallbackParams);
}
if (ValidateChannel(hChannel) == CC_OK)
FreeChannel(pChannel);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _IndRequestClose( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
CC_HCHANNEL hChannel;
PCHANNEL pChannel;
CC_TX_CHANNEL_CLOSE_REQUEST_CALLBACK_PARAMS TxChannelCloseRequestCallbackParams;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pCall->hConference;
UnlockCall(pCall);
if (FindChannelInConference(pH245ConfIndData->u.Indication.u.IndClose.Channel,
TRUE, // local channel number
TX_CHANNEL | TXRX_CHANNEL | PROXY_CHANNEL,
CC_INVALID_HANDLE,
&hChannel,
pConference) != CC_OK) {
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (LockChannel(hChannel, &pChannel) != CC_OK) {
UnlockConference(pConference);
return H245_ERROR_OK;
}
if ((pChannel->bChannelType == TX_CHANNEL) ||
(pChannel->bChannelType == TXRX_CHANNEL)) {
EnqueueRequest(&pChannel->pCloseRequests, hCall);
UnlockChannel(pChannel);
TxChannelCloseRequestCallbackParams.hChannel = hChannel;
InvokeUserConferenceCallback(pConference,
CC_TX_CHANNEL_CLOSE_REQUEST_INDICATION,
CC_OK,
&TxChannelCloseRequestCallbackParams);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
} else { // pChannel->bChannelType == PROXY_CHANNEL
if (LockCall(pChannel->hCall, &pCall) == CC_OK) {
// Note that dwTransID is set to the call handle of the peer who
// initiated the close channel request. When the close channel response
// is received, the dwTransID gives us back the call handle to which
// the response must be forwarded
H245CloseChannelReq(pCall->H245Instance,
hCall, // dwTransID
pChannel->wRemoteChannelNumber);
UnlockCall(pCall);
}
UnlockChannel(pChannel);
UnlockConference(pConference);
}
return H245_ERROR_OK;
}
HRESULT _IndNonStandard( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
CC_RX_NONSTANDARD_MESSAGE_CALLBACK_PARAMS RxNonStandardMessageCallbackParams;
// We only handle H221 non-standard messages; if pwObjectId is non-NULL,
// ignore the message
if (pH245ConfIndData->u.Indication.u.IndNonstandard.pwObjectId != NULL)
return H245_ERROR_OK;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pCall->hConference;
switch (pH245ConfIndData->u.Indication.Indicator) {
case H245_IND_NONSTANDARD_REQUEST:
RxNonStandardMessageCallbackParams.bH245MessageType = CC_H245_MESSAGE_REQUEST;
break;
case H245_IND_NONSTANDARD_RESPONSE:
RxNonStandardMessageCallbackParams.bH245MessageType = CC_H245_MESSAGE_RESPONSE;
break;
case H245_IND_NONSTANDARD_COMMAND:
RxNonStandardMessageCallbackParams.bH245MessageType = CC_H245_MESSAGE_COMMAND;
break;
case H245_IND_NONSTANDARD:
RxNonStandardMessageCallbackParams.bH245MessageType = CC_H245_MESSAGE_INDICATION;
break;
default:
UnlockConference(pConference);
return H245_ERROR_NOSUP;
}
RxNonStandardMessageCallbackParams.NonStandardData.sData.pOctetString =
pH245ConfIndData->u.Indication.u.IndNonstandard.pData;
RxNonStandardMessageCallbackParams.NonStandardData.sData.wOctetStringLength =
(WORD)pH245ConfIndData->u.Indication.u.IndNonstandard.dwDataLength;
RxNonStandardMessageCallbackParams.NonStandardData.bCountryCode =
pH245ConfIndData->u.Indication.u.IndNonstandard.byCountryCode;
RxNonStandardMessageCallbackParams.NonStandardData.bExtension =
pH245ConfIndData->u.Indication.u.IndNonstandard.byExtension;
RxNonStandardMessageCallbackParams.NonStandardData.wManufacturerCode =
pH245ConfIndData->u.Indication.u.IndNonstandard.wManufacturerCode;
RxNonStandardMessageCallbackParams.hCall = pCall->hCall;
if (pCall->pPeerParticipantInfo != NULL)
RxNonStandardMessageCallbackParams.InitiatorTerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
else {
RxNonStandardMessageCallbackParams.InitiatorTerminalLabel.bMCUNumber = 255;
RxNonStandardMessageCallbackParams.InitiatorTerminalLabel.bTerminalNumber = 255;
}
InvokeUserConferenceCallback(pConference,
CC_RX_NONSTANDARD_MESSAGE_INDICATION,
CC_OK,
&RxNonStandardMessageCallbackParams);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
return H245_ERROR_OK;
}
HRESULT _IndMiscellaneous( H245_CONF_IND_T *pH245ConfIndData,
MiscellaneousIndication *pMiscellaneousIndication)
{
HRESULT status = CC_OK;
CC_HCALL hCall;
PCALL pCall;
PCALL pOldCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
CC_HCHANNEL hChannel;
PCHANNEL pChannel;
WORD i;
WORD wNumCalls;
PCC_HCALL CallList;
PDU_T Pdu;
CC_MUTE_CALLBACK_PARAMS MuteCallbackParams;
CC_UNMUTE_CALLBACK_PARAMS UnMuteCallbackParams;
CC_H245_MISCELLANEOUS_INDICATION_CALLBACK_PARAMS H245MiscellaneousIndicationCallbackParams;
if (pMiscellaneousIndication == NULL)
// Should never hit this case
return H245_ERROR_NOSUP;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pCall->hConference;
switch (pMiscellaneousIndication->type.choice) {
case logicalChannelActive_chosen:
case logicalChannelInactive_chosen:
UnlockCall(pCall);
if (FindChannelInConference(pMiscellaneousIndication->logicalChannelNumber,
FALSE, // remote channel number
RX_CHANNEL | PROXY_CHANNEL,
hCall,
&hChannel,
pConference) != CC_OK) {
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (LockChannel(hChannel, &pChannel) != CC_OK) {
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (pChannel->bChannelType == PROXY_CHANNEL) {
ASSERT(pConference->ConferenceMode == MULTIPOINT_MODE);
ASSERT(pConference->tsMultipointController == TS_TRUE);
ASSERT(pChannel->bMultipointChannel == TRUE);
// Construct an H.245 PDU to hold a miscellaneous indication
// of "logical channel inactive" (mute) or "logical channel active" (unmute)
Pdu.choice = indication_chosen;
Pdu.u.indication.choice = miscellaneousIndication_chosen;
Pdu.u.indication.u.miscellaneousIndication.logicalChannelNumber =
pChannel->wLocalChannelNumber;
Pdu.u.indication.u.miscellaneousIndication.type.choice =
pMiscellaneousIndication->type.choice;
EnumerateCallsInConference(&wNumCalls, &CallList, pConference, ESTABLISHED_CALL);
for (i = 0; i < wNumCalls; i++) {
if (CallList[i] != hCall) {
if (LockCall(CallList[i], &pCall) == CC_OK) {
H245SendPDU(pCall->H245Instance, &Pdu);
UnlockCall(pCall);
}
}
}
MemFree(CallList);
}
if (pMiscellaneousIndication->type.choice == logicalChannelActive_chosen) {
if (pChannel->tsAccepted == TS_TRUE) {
UnMuteCallbackParams.hChannel = hChannel;
InvokeUserConferenceCallback(pConference,
CC_UNMUTE_INDICATION,
CC_OK,
&UnMuteCallbackParams);
}
} else {
if (pChannel->tsAccepted == TS_TRUE) {
MuteCallbackParams.hChannel = hChannel;
InvokeUserConferenceCallback(pConference,
CC_MUTE_INDICATION,
CC_OK,
&MuteCallbackParams);
}
}
if (ValidateChannel(hChannel) == CC_OK)
UnlockChannel(pChannel);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
status = H245_ERROR_OK;
break;
case multipointConference_chosen:
case cnclMltpntCnfrnc_chosen:
// We're required to support receipt of this indication, but I have no
// idea what we're supposed to do with it
UnlockCall(pCall);
UnlockConference(pConference);
status = H245_ERROR_OK;
break;
case vdIndctRdyTActvt_chosen:
case MIn_tp_vdTmprlSptlTrdOff_chosen:
if (FindChannelInConference(pMiscellaneousIndication->logicalChannelNumber,
FALSE, // remote channel number
RX_CHANNEL | PROXY_CHANNEL,
hCall,
&hChannel,
pConference) != CC_OK) {
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (LockChannel(hChannel, &pChannel) != CC_OK) {
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (pChannel->bChannelType == PROXY_CHANNEL) {
ASSERT(pConference->ConferenceMode == MULTIPOINT_MODE);
ASSERT(pConference->tsMultipointController == TS_TRUE);
ASSERT(pChannel->bMultipointChannel == TRUE);
// Construct an H.245 PDU to hold a miscellaneous indication
// of "video indicate ready to activate" or
// "video temporal spatial tradeoff"
Pdu.choice = indication_chosen;
Pdu.u.indication.choice = miscellaneousIndication_chosen;
Pdu.u.indication.u.miscellaneousIndication.logicalChannelNumber =
pChannel->wLocalChannelNumber;
Pdu.u.indication.u.miscellaneousIndication.type.choice =
pMiscellaneousIndication->type.choice;
EnumerateCallsInConference(&wNumCalls, &CallList, pConference, ESTABLISHED_CALL);
for (i = 0; i < wNumCalls; i++) {
if (CallList[i] != hCall) {
if (LockCall(CallList[i], &pOldCall) == CC_OK) {
H245SendPDU(pOldCall->H245Instance, &Pdu);
UnlockCall(pOldCall);
}
}
}
MemFree(CallList);
}
if (pChannel->tsAccepted == TS_TRUE) {
H245MiscellaneousIndicationCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
H245MiscellaneousIndicationCallbackParams.InitiatorTerminalLabel.bMCUNumber = 255;
H245MiscellaneousIndicationCallbackParams.InitiatorTerminalLabel.bTerminalNumber = 255;
} else
H245MiscellaneousIndicationCallbackParams.InitiatorTerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
H245MiscellaneousIndicationCallbackParams.hChannel = hChannel;
H245MiscellaneousIndicationCallbackParams.pMiscellaneousIndication =
pMiscellaneousIndication;
status = InvokeUserConferenceCallback(pConference,
CC_H245_MISCELLANEOUS_INDICATION_INDICATION,
CC_OK,
&H245MiscellaneousIndicationCallbackParams);
if (status != CC_OK)
status = H245_ERROR_NOSUP;
} else
status = H245_ERROR_OK;
if (ValidateChannel(hChannel) == CC_OK)
UnlockChannel(pChannel);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
break;
case videoNotDecodedMBs_chosen:
if (FindChannelInConference(pMiscellaneousIndication->logicalChannelNumber,
TRUE, // local channel number
TX_CHANNEL | PROXY_CHANNEL,
CC_INVALID_HANDLE,
&hChannel,
pConference) != CC_OK) {
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (LockChannel(hChannel, &pChannel) != CC_OK) {
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (pChannel->bChannelType == TX_CHANNEL) {
H245MiscellaneousIndicationCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
H245MiscellaneousIndicationCallbackParams.InitiatorTerminalLabel.bMCUNumber = 255;
H245MiscellaneousIndicationCallbackParams.InitiatorTerminalLabel.bTerminalNumber = 255;
} else
H245MiscellaneousIndicationCallbackParams.InitiatorTerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
H245MiscellaneousIndicationCallbackParams.hChannel = hChannel;
H245MiscellaneousIndicationCallbackParams.pMiscellaneousIndication =
pMiscellaneousIndication;
status = InvokeUserConferenceCallback(pConference,
CC_H245_MISCELLANEOUS_INDICATION_INDICATION,
CC_OK,
&H245MiscellaneousIndicationCallbackParams);
if (status != CC_OK)
status = H245_ERROR_NOSUP;
if (ValidateChannel(hChannel) == CC_OK)
UnlockChannel(pChannel);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
} else {
// Proxy channel; forward the request to the transmitter
ASSERT(pConference->ConferenceMode == MULTIPOINT_MODE);
ASSERT(pConference->tsMultipointController == TS_TRUE);
ASSERT(pChannel->bMultipointChannel == TRUE);
// Construct an H.245 PDU to hold a miscellaneous indication
// of "video not decoded MBs"
Pdu.choice = indication_chosen;
Pdu.u.indication.choice = miscellaneousIndication_chosen;
Pdu.u.indication.u.miscellaneousIndication.logicalChannelNumber =
pChannel->wRemoteChannelNumber;
Pdu.u.indication.u.miscellaneousIndication.type.choice =
pMiscellaneousIndication->type.choice;
if (LockCall(pChannel->hCall, &pOldCall) == CC_OK) {
H245SendPDU(pOldCall->H245Instance, &Pdu);
UnlockCall(pOldCall);
}
UnlockChannel(pChannel);
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
}
// We should never reach here
ASSERT(0);
default:
// Miscellaneous indication not containing channel information
// Pass it up to the client
H245MiscellaneousIndicationCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
H245MiscellaneousIndicationCallbackParams.InitiatorTerminalLabel.bMCUNumber = 255;
H245MiscellaneousIndicationCallbackParams.InitiatorTerminalLabel.bTerminalNumber = 255;
} else
H245MiscellaneousIndicationCallbackParams.InitiatorTerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
H245MiscellaneousIndicationCallbackParams.hChannel = CC_INVALID_HANDLE;;
H245MiscellaneousIndicationCallbackParams.pMiscellaneousIndication =
pMiscellaneousIndication;
status = InvokeUserConferenceCallback(pConference,
CC_H245_MISCELLANEOUS_INDICATION_INDICATION,
CC_OK,
&H245MiscellaneousIndicationCallbackParams);
if (status != CC_OK)
status = H245_ERROR_NOSUP;
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
break;
}
return status;
// We should never reach this point
ASSERT(0);
}
HRESULT _IndMiscellaneousCommand( H245_CONF_IND_T *pH245ConfIndData,
MiscellaneousCommand *pMiscellaneousCommand)
{
CC_HCALL hCall;
PCALL pCall;
PCALL pOldCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
HRESULT status = CC_OK;
WORD wChoice;
CC_HCHANNEL hChannel;
PCHANNEL pChannel;
PDU_T Pdu;
CC_H245_MISCELLANEOUS_COMMAND_CALLBACK_PARAMS H245MiscellaneousCommandCallbackParams;
if (pMiscellaneousCommand == NULL)
// Should never hit this case
return H245_ERROR_NOSUP;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pConference->hConference;
switch (pMiscellaneousCommand->type.choice) {
case multipointModeCommand_chosen:
//
// from this point on, expect CommunicationModeCommand
// also, theoretically, channels shouldn't be opened until at
// least one CommunicationModeCommand is received.
// It's only by examining CommunicationModeCommand contents
// that we can determine if a conference has decentralized
// media.
// I'm commenting this out on 6/4/98 because it's bogus: all
// endpoints have centralized media distribution. Set
// pConference->ConferenceMode = MULTIPOINT_MODE; only after
// CommunicationModeCommand is received and the multiplex table has
// been examined and decentralized media is found
#if(0)
if (pConference->bMultipointCapable == FALSE) {
// We can't support multipoint operation, so treat this as if
// we received a remote hangup indication
UnlockConference(pConference);
UnlockCall(pCall);
ProcessRemoteHangup(hCall, CC_INVALID_HANDLE, CC_REJECT_NORMAL_CALL_CLEARING);
return H245_ERROR_OK;
} else {
pConference->ConferenceMode = MULTIPOINT_MODE;
// Send TerminalListRequest
H245ConferenceRequest(pCall->H245Instance,
H245_REQ_TERMINAL_LIST,
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bMCUNumber,
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bTerminalNumber);
}
#else
// Send TerminalListRequest
H245ConferenceRequest(pCall->H245Instance,
H245_REQ_TERMINAL_LIST,
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bMCUNumber,
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bTerminalNumber);
#endif
status = H245_ERROR_OK;
break;
case cnclMltpntMdCmmnd_chosen:
// We're required to support receipt of this command, but I have no
// idea what we're supposed to do with it
status = H245_ERROR_OK;
break;
case videoFreezePicture_chosen:
case videoFastUpdatePicture_chosen:
case videoFastUpdateGOB_chosen:
case MCd_tp_vdTmprlSptlTrdOff_chosen:
case videoSendSyncEveryGOB_chosen:
case videoFastUpdateMB_chosen:
case vdSndSyncEvryGOBCncl_chosen:
if (FindChannelInConference(pMiscellaneousCommand->logicalChannelNumber,
TRUE, // local channel number
TX_CHANNEL | PROXY_CHANNEL,
CC_INVALID_HANDLE,
&hChannel,
pConference) != CC_OK) {
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (LockChannel(hChannel, &pChannel) != CC_OK) {
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (pChannel->bChannelType == TX_CHANNEL) {
H245MiscellaneousCommandCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
H245MiscellaneousCommandCallbackParams.InitiatorTerminalLabel.bMCUNumber = 255;
H245MiscellaneousCommandCallbackParams.InitiatorTerminalLabel.bTerminalNumber = 255;
} else
H245MiscellaneousCommandCallbackParams.InitiatorTerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
H245MiscellaneousCommandCallbackParams.hChannel = hChannel;
wChoice = pMiscellaneousCommand->type.choice;
if ((wChoice == videoFreezePicture_chosen) ||
(wChoice == videoFastUpdatePicture_chosen) ||
(wChoice == videoFastUpdateGOB_chosen) ||
(wChoice == videoFastUpdateMB_chosen))
H245MiscellaneousCommandCallbackParams.bH323ActionRequired = TRUE;
else
H245MiscellaneousCommandCallbackParams.bH323ActionRequired = FALSE;
H245MiscellaneousCommandCallbackParams.pMiscellaneousCommand =
pMiscellaneousCommand;
status = InvokeUserConferenceCallback(pConference,
CC_H245_MISCELLANEOUS_COMMAND_INDICATION,
CC_OK,
&H245MiscellaneousCommandCallbackParams);
if (status != CC_OK)
status = H245_ERROR_NOSUP;
if (ValidateChannel(hChannel) == CC_OK)
UnlockChannel(pChannel);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
} else {
// Proxy channel; forward the request to the transmitter
ASSERT(pConference->ConferenceMode == MULTIPOINT_MODE);
ASSERT(pConference->tsMultipointController == TS_TRUE);
ASSERT(pChannel->bMultipointChannel == TRUE);
Pdu.choice = MSCMg_cmmnd_chosen;
Pdu.u.MSCMg_cmmnd.choice = miscellaneousCommand_chosen;
Pdu.u.MSCMg_cmmnd.u.miscellaneousCommand.logicalChannelNumber =
pChannel->wRemoteChannelNumber;
Pdu.u.MSCMg_cmmnd.u.miscellaneousCommand = *pMiscellaneousCommand;
if (LockCall(pChannel->hCall, &pOldCall) == CC_OK) {
H245SendPDU(pOldCall->H245Instance, &Pdu);
UnlockCall(pOldCall);
}
UnlockChannel(pChannel);
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
}
// We should never reach here
ASSERT(0);
default:
// Unrecognized miscellaneous command
// Pass it up to the client
H245MiscellaneousCommandCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
H245MiscellaneousCommandCallbackParams.InitiatorTerminalLabel.bMCUNumber = 255;
H245MiscellaneousCommandCallbackParams.InitiatorTerminalLabel.bTerminalNumber = 255;
} else
H245MiscellaneousCommandCallbackParams.InitiatorTerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
H245MiscellaneousCommandCallbackParams.hChannel = CC_INVALID_HANDLE;
H245MiscellaneousCommandCallbackParams.bH323ActionRequired = FALSE;
H245MiscellaneousCommandCallbackParams.pMiscellaneousCommand =
pMiscellaneousCommand;
status = InvokeUserConferenceCallback(pConference,
CC_H245_MISCELLANEOUS_COMMAND_INDICATION,
CC_OK,
&H245MiscellaneousCommandCallbackParams);
if (status != CC_OK)
status = H245_ERROR_NOSUP;
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return status;
}
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return status;
// We should never reach this point
ASSERT(0);
}
HRESULT _IndMCLocation( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
PCONFERENCE pConference;
CC_CONNECT_CALLBACK_PARAMS ConnectCallbackParams;
PCALL pEnqueuedCall;
CC_HCALL hEnqueuedCall;
HRESULT status;
CC_HCONFERENCE hConference;
if (pH245ConfIndData->u.Indication.u.IndMcLocation.type != H245_IP_UNICAST)
return H245_ERROR_OK;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
UnlockCall(pCall);
hConference = pConference->hConference;
if (pConference->tsMultipointController != TS_FALSE) {
// We don't expect to receive an MCLocationIndication until master/slave
// has completed, at which time tsMultipointController will change from
// TS_UNKNOWN to either TS_TRUE or TS_FALSE.
UnlockConference(pConference);
return H245_ERROR_NOSUP;
}
if (pConference->pMultipointControllerAddr == NULL) {
pConference->pMultipointControllerAddr = (PCC_ADDR)MemAlloc(sizeof(CC_ADDR));
if (pConference->pMultipointControllerAddr == NULL) {
UnlockConference(pConference);
return H245_ERROR_OK;
}
}
pConference->pMultipointControllerAddr->nAddrType = CC_IP_BINARY;
pConference->pMultipointControllerAddr->bMulticast = FALSE;
pConference->pMultipointControllerAddr->Addr.IP_Binary.wPort =
pH245ConfIndData->u.Indication.u.IndMcLocation.u.ip.tsapIdentifier;
H245IPNetworkToHost(&pConference->pMultipointControllerAddr->Addr.IP_Binary.dwAddr,
pH245ConfIndData->u.Indication.u.IndMcLocation.u.ip.network);
// place all calls enqueued on this conference object
for ( ; ; ) {
// Start up all enqueued calls, if any exist
status = RemoveEnqueuedCallFromConference(pConference, &hEnqueuedCall);
if ((status != CC_OK) || (hEnqueuedCall == CC_INVALID_HANDLE))
break;
status = LockCall(hEnqueuedCall, &pEnqueuedCall);
if (status == CC_OK) {
// Place Call to MC
pEnqueuedCall->CallState = PLACED;
pEnqueuedCall->CallType = THIRD_PARTY_INVITOR;
if (pEnqueuedCall->pQ931DestinationAddr == NULL)
pEnqueuedCall->pQ931DestinationAddr = pEnqueuedCall->pQ931PeerConnectAddr;
if (pEnqueuedCall->pQ931PeerConnectAddr == NULL)
pEnqueuedCall->pQ931PeerConnectAddr = (PCC_ADDR)MemAlloc(sizeof(CC_ADDR));
if (pEnqueuedCall->pQ931PeerConnectAddr == NULL) {
MarkCallForDeletion(pEnqueuedCall);
ConnectCallbackParams.pNonStandardData = pEnqueuedCall->pPeerNonStandardData;
ConnectCallbackParams.pszPeerDisplay = pEnqueuedCall->pszPeerDisplay;
ConnectCallbackParams.bRejectReason = CC_REJECT_UNDEFINED_REASON;
ConnectCallbackParams.pTermCapList = pEnqueuedCall->pPeerH245TermCapList;
ConnectCallbackParams.pH2250MuxCapability = pEnqueuedCall->pPeerH245H2250MuxCapability;
ConnectCallbackParams.pTermCapDescriptors = pEnqueuedCall->pPeerH245TermCapDescriptors;
ConnectCallbackParams.pLocalAddr = pEnqueuedCall->pQ931LocalConnectAddr;
if (pEnqueuedCall->pQ931DestinationAddr == NULL)
ConnectCallbackParams.pPeerAddr = pEnqueuedCall->pQ931PeerConnectAddr;
else
ConnectCallbackParams.pPeerAddr = pEnqueuedCall->pQ931DestinationAddr;
ConnectCallbackParams.pVendorInfo = pEnqueuedCall->pPeerVendorInfo;
ConnectCallbackParams.bMultipointConference = TRUE;
ConnectCallbackParams.pConferenceID = &pConference->ConferenceID;
ConnectCallbackParams.pMCAddress = pConference->pMultipointControllerAddr;
ConnectCallbackParams.pAlternateAddress = NULL;
ConnectCallbackParams.dwUserToken = pEnqueuedCall->dwUserToken;
InvokeUserConferenceCallback(pConference,
CC_CONNECT_INDICATION,
CC_NO_MEMORY,
&ConnectCallbackParams);
if (ValidateCallMarkedForDeletion(hEnqueuedCall) == CC_OK)
FreeCall(pEnqueuedCall);
if (ValidateConference(hConference) != CC_OK)
return H245_ERROR_OK;
}
pEnqueuedCall->pQ931PeerConnectAddr = pConference->pMultipointControllerAddr;
status = PlaceCall(pEnqueuedCall, pConference);
UnlockCall(pEnqueuedCall);
}
}
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _IndConferenceRequest( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
PCALL pPeerCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
HRESULT status;
H245_TERMINAL_LABEL_T *H245TerminalLabelList;
H245_TERMINAL_LABEL_T H245TerminalLabel;
WORD wNumTerminalLabels;
CC_H245_CONFERENCE_REQUEST_CALLBACK_PARAMS H245ConferenceRequestCallbackParams;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pConference->hConference;
switch (pH245ConfIndData->u.Indication.u.IndConferReq.RequestType) {
case H245_REQ_ENTER_H243_TERMINAL_ID:
switch (pConference->LocalParticipantInfo.TerminalIDState) {
case TERMINAL_ID_INVALID:
UnlockCall(pCall);
EnqueueRequest(&pConference->LocalParticipantInfo.pEnqueuedRequestsForTerminalID,
hCall);
pConference->LocalParticipantInfo.TerminalIDState = TERMINAL_ID_REQUESTED;
InvokeUserConferenceCallback(pConference,
CC_TERMINAL_ID_REQUEST_INDICATION,
CC_OK,
NULL);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
case TERMINAL_ID_REQUESTED:
UnlockCall(pCall);
EnqueueRequest(&pConference->LocalParticipantInfo.pEnqueuedRequestsForTerminalID,
hCall);
UnlockConference(pConference);
return H245_ERROR_OK;
case TERMINAL_ID_VALID:
H245ConferenceResponse(pCall->H245Instance,
H245_RSP_TERMINAL_ID,
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bMCUNumber,
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bTerminalNumber,
pConference->LocalParticipantInfo.ParticipantInfo.TerminalID.pOctetString,
(BYTE)pConference->LocalParticipantInfo.ParticipantInfo.TerminalID.wOctetStringLength,
NULL, // terminal list
0); // terminal list count
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
default:
ASSERT(0);
}
case H245_REQ_TERMINAL_LIST:
if ((pConference->ConferenceMode == MULTIPOINT_MODE) &&
(pConference->tsMultipointController == TS_TRUE)) {
status = EnumerateTerminalLabelsInConference(&wNumTerminalLabels,
&H245TerminalLabelList,
pConference);
if (status == CC_OK)
H245ConferenceResponse(pCall->H245Instance,
H245_RSP_TERMINAL_LIST,
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bMCUNumber,
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bTerminalNumber,
pConference->LocalParticipantInfo.ParticipantInfo.TerminalID.pOctetString,
(BYTE)pConference->LocalParticipantInfo.ParticipantInfo.TerminalID.wOctetStringLength,
H245TerminalLabelList, // terminal list
wNumTerminalLabels); // terminal list count
if (H245TerminalLabelList != NULL)
MemFree(H245TerminalLabelList);
status = H245_ERROR_OK;
} else
status = H245_ERROR_NOSUP;
break;
case H245_REQ_TERMINAL_ID:
if (pConference->tsMultipointController != TS_TRUE) {
status = H245_ERROR_NOSUP;
break;
}
if (pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bMCUNumber !=
pH245ConfIndData->u.Indication.u.IndConferReq.byMcuNumber) {
// This terminal ID wasn't allocated by this MC, so return without a response
status = H245_ERROR_OK;
break;
}
// First check to see whether the requested terminal ID is ours
if (pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bTerminalNumber ==
pH245ConfIndData->u.Indication.u.IndConferReq.byTerminalNumber) {
if (pConference->LocalEndpointAttached != ATTACHED) {
status = H245_ERROR_OK;
break;
}
switch (pConference->LocalParticipantInfo.TerminalIDState) {
case TERMINAL_ID_INVALID:
UnlockCall(pCall);
EnqueueRequest(&pConference->LocalParticipantInfo.pEnqueuedRequestsForTerminalID,
hCall);
pConference->LocalParticipantInfo.TerminalIDState = TERMINAL_ID_REQUESTED;
InvokeUserConferenceCallback(pConference,
CC_TERMINAL_ID_REQUEST_INDICATION,
CC_OK,
NULL);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
case TERMINAL_ID_REQUESTED:
UnlockCall(pCall);
EnqueueRequest(&pConference->LocalParticipantInfo.pEnqueuedRequestsForTerminalID,
hCall);
UnlockConference(pConference);
return H245_ERROR_OK;
case TERMINAL_ID_VALID:
H245ConferenceResponse(pCall->H245Instance,
H245_RSP_MC_TERMINAL_ID,
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bMCUNumber,
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bTerminalNumber,
pConference->LocalParticipantInfo.ParticipantInfo.TerminalID.pOctetString,
(BYTE)pConference->LocalParticipantInfo.ParticipantInfo.TerminalID.wOctetStringLength,
NULL, // terminal list
0); // terminal list count
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
default:
ASSERT(0);
}
}
H245TerminalLabel.mcuNumber = pH245ConfIndData->u.Indication.u.IndConferReq.byMcuNumber;
H245TerminalLabel.terminalNumber = pH245ConfIndData->u.Indication.u.IndConferReq.byTerminalNumber;
FindPeerParticipantInfo(H245TerminalLabel,
pConference,
ESTABLISHED_CALL,
&pPeerCall);
if (pPeerCall == NULL) {
// We don't know about the existance of this terminal ID, so return without a response
status = H245_ERROR_OK;
break;
}
if (pPeerCall->pPeerParticipantInfo == NULL) {
UnlockCall(pPeerCall);
status = H245_ERROR_OK;
break;
}
switch (pPeerCall->pPeerParticipantInfo->TerminalIDState) {
case TERMINAL_ID_INVALID:
EnqueueRequest(&pPeerCall->pPeerParticipantInfo->pEnqueuedRequestsForTerminalID,
hCall);
pPeerCall->pPeerParticipantInfo->TerminalIDState = TERMINAL_ID_REQUESTED;
H245ConferenceRequest(pPeerCall->H245Instance,
H245_REQ_ENTER_H243_TERMINAL_ID,
pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bMCUNumber,
pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bTerminalNumber);
break;
case TERMINAL_ID_REQUESTED:
EnqueueRequest(&pPeerCall->pPeerParticipantInfo->pEnqueuedRequestsForTerminalID,
hCall);
break;
case TERMINAL_ID_VALID:
H245ConferenceResponse(pCall->H245Instance,
H245_RSP_MC_TERMINAL_ID,
pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bMCUNumber,
pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bTerminalNumber,
pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalID.pOctetString,
(BYTE)pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalID.wOctetStringLength,
NULL, // terminal list
0); // terminal list count
break;
default:
ASSERT(0);
break;
}
UnlockCall(pPeerCall);
status = H245_ERROR_OK;
break;
default:
H245ConferenceRequestCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
H245ConferenceRequestCallbackParams.InitiatorTerminalLabel.bMCUNumber = 255;
H245ConferenceRequestCallbackParams.InitiatorTerminalLabel.bTerminalNumber = 255;
} else
H245ConferenceRequestCallbackParams.InitiatorTerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
H245ConferenceRequestCallbackParams.RequestType =
pH245ConfIndData->u.Indication.u.IndConferReq.RequestType;
H245ConferenceRequestCallbackParams.TerminalLabel.bMCUNumber =
pH245ConfIndData->u.Indication.u.IndConferReq.byMcuNumber;
H245ConferenceRequestCallbackParams.TerminalLabel.bTerminalNumber =
pH245ConfIndData->u.Indication.u.IndConferReq.byTerminalNumber;
status = InvokeUserConferenceCallback(pConference,
CC_H245_CONFERENCE_REQUEST_INDICATION,
CC_OK,
&H245ConferenceRequestCallbackParams);
if (status != CC_OK)
status = H245_ERROR_NOSUP;
break;
}
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return status;
}
HRESULT _IndConferenceResponse( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
PCALL pPeerCall;
CC_HCALL hEnqueuedCall;
PCALL pEnqueuedCall;
CC_HCALL hVirtualCall;
CC_HCALL hPeerCall;
PCALL pVirtualCall;
PCONFERENCE pConference;
CC_HCONFERENCE hConference;
HRESULT status;
WORD i;
PPARTICIPANTINFO pPeerParticipantInfo;
H245_TERMINAL_LABEL_T TerminalLabel;
CC_PEER_ADD_CALLBACK_PARAMS PeerAddCallbackParams;
CC_PEER_UPDATE_CALLBACK_PARAMS PeerUpdateCallbackParams;
CC_H245_CONFERENCE_RESPONSE_CALLBACK_PARAMS H245ConferenceResponseCallbackParams;
CC_OCTETSTRING OctetString;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pConference->hConference;
switch (pH245ConfIndData->u.Indication.u.IndConferRsp.ResponseType) {
case H245_RSP_TERMINAL_LIST:
if (pConference->tsMultipointController == TS_FALSE) {
for (i = 0; i < pH245ConfIndData->u.Indication.u.IndConferRsp.wTerminalListCount; i++) {
if ((pH245ConfIndData->u.Indication.u.IndConferRsp.pTerminalList[i].mcuNumber ==
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bMCUNumber) &&
(pH245ConfIndData->u.Indication.u.IndConferRsp.pTerminalList[i].terminalNumber ==
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bTerminalNumber))
// This terminal number refers to us
continue;
FindPeerParticipantInfo(pH245ConfIndData->u.Indication.u.IndConferRsp.pTerminalList[i],
pConference,
VIRTUAL_CALL,
&pPeerCall);
if (pPeerCall != NULL) {
// We already know this peer's terminal label, and we
// eithet know its terminal ID or we have a pending request
// to obtain it
UnlockCall(pPeerCall);
continue;
}
// We don't know about this peer.
// Create a virtual call object for it, and issue a request
// for its terminal ID
status = AllocAndLockCall(&hVirtualCall,
pConference->hConference,
CC_INVALID_HANDLE, // hQ931Call
CC_INVALID_HANDLE, // hQ931CallInvitor,
NULL, // pLocalAliasNames,
NULL, // pPeerAliasNames,
NULL, // pPeerExtraAliasNames
NULL, // pPeerExtension
NULL, // pLocalNonStandardData,
NULL, // pPeerNonStandardData,
NULL, // pszLocalDisplay,
NULL, // pszPeerDisplay,
NULL, // pPeerVendorInfo,
NULL, // pQ931LocalConnectAddr,
NULL, // pQ931PeerConnectAddr,
NULL, // pQ931DestinationAddr,
NULL, // pSourceCallSignalAddress
VIRTUAL, // CallType,
FALSE, // bCallerIsMC,
0, // dwUserToken,
CALL_COMPLETE, // InitialCallState,
NULL, // no CallIdentifier
&pConference->ConferenceID,
&pVirtualCall);
if (status == CC_OK) {
status = AllocatePeerParticipantInfo(NULL,
&pPeerParticipantInfo);
if (status == CC_OK) {
pVirtualCall->pPeerParticipantInfo =
pPeerParticipantInfo;
pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bMCUNumber =
(BYTE)pH245ConfIndData->u.Indication.u.IndConferRsp.pTerminalList[i].mcuNumber;
pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bTerminalNumber =
(BYTE)pH245ConfIndData->u.Indication.u.IndConferRsp.pTerminalList[i].terminalNumber;
AddVirtualCallToConference(pVirtualCall,
pConference);
// Send RequestTerminalID
H245ConferenceRequest(pCall->H245Instance,
H245_REQ_TERMINAL_ID,
(BYTE)pH245ConfIndData->u.Indication.u.IndConferRsp.pTerminalList[i].mcuNumber,
(BYTE)pH245ConfIndData->u.Indication.u.IndConferRsp.pTerminalList[i].terminalNumber);
pPeerParticipantInfo->TerminalIDState = TERMINAL_ID_REQUESTED;
// Generate PEER_ADD callback
PeerAddCallbackParams.hCall = hVirtualCall;
PeerAddCallbackParams.TerminalLabel =
pVirtualCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
PeerAddCallbackParams.pPeerTerminalID = NULL;
InvokeUserConferenceCallback(pConference,
CC_PEER_ADD_INDICATION,
CC_OK,
&PeerAddCallbackParams);
if (ValidateCall(hVirtualCall) == CC_OK)
UnlockCall(pVirtualCall);
} else
FreeCall(pVirtualCall);
}
}
}
status = H245_ERROR_OK;
break;
case H245_RSP_MC_TERMINAL_ID:
if (pConference->tsMultipointController == TS_FALSE) {
TerminalLabel.mcuNumber = pH245ConfIndData->u.Indication.u.IndConferRsp.byMcuNumber;
TerminalLabel.terminalNumber = pH245ConfIndData->u.Indication.u.IndConferRsp.byTerminalNumber;
FindPeerParticipantInfo(TerminalLabel,
pConference,
VIRTUAL_CALL,
&pPeerCall);
if (pPeerCall != NULL) {
hPeerCall = pPeerCall->hCall;
if (pPeerCall->pPeerParticipantInfo->TerminalIDState != TERMINAL_ID_VALID) {
pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalID.pOctetString =
(BYTE *)MemAlloc(pH245ConfIndData->u.Indication.u.IndConferRsp.byOctetStringLength);
if (pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalID.pOctetString == NULL) {
UnlockCall(pPeerCall);
status = H245_ERROR_OK;
break;
}
memcpy(pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalID.pOctetString,
pH245ConfIndData->u.Indication.u.IndConferRsp.pOctetString,
pH245ConfIndData->u.Indication.u.IndConferRsp.byOctetStringLength);
pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalID.wOctetStringLength =
pH245ConfIndData->u.Indication.u.IndConferRsp.byOctetStringLength;
pPeerCall->pPeerParticipantInfo->TerminalIDState = TERMINAL_ID_VALID;
PeerUpdateCallbackParams.hCall = hPeerCall;
PeerUpdateCallbackParams.TerminalLabel =
pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
PeerUpdateCallbackParams.pPeerTerminalID = &pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalID;
InvokeUserConferenceCallback(pConference,
CC_PEER_UPDATE_INDICATION,
CC_OK,
&PeerUpdateCallbackParams);
}
if (ValidateCall(hPeerCall) == CC_OK)
UnlockCall(pPeerCall);
}
}
status = H245_ERROR_OK;
break;
case H245_RSP_TERMINAL_ID:
if ((pConference->ConferenceMode == MULTIPOINT_MODE) &&
(pConference->tsMultipointController == TS_TRUE)) {
TerminalLabel.mcuNumber = pH245ConfIndData->u.Indication.u.IndConferRsp.byMcuNumber;
TerminalLabel.terminalNumber = pH245ConfIndData->u.Indication.u.IndConferRsp.byTerminalNumber;
FindPeerParticipantInfo(TerminalLabel,
pConference,
ESTABLISHED_CALL,
&pPeerCall);
if (pPeerCall != NULL) {
hPeerCall = pPeerCall->hCall;
if (pPeerCall->pPeerParticipantInfo->TerminalIDState != TERMINAL_ID_VALID) {
pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalID.pOctetString =
(BYTE *)MemAlloc(pH245ConfIndData->u.Indication.u.IndConferRsp.byOctetStringLength);
if (pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalID.pOctetString == NULL) {
UnlockCall(pPeerCall);
status = H245_ERROR_OK;
break;
}
memcpy(pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalID.pOctetString,
pH245ConfIndData->u.Indication.u.IndConferRsp.pOctetString,
pH245ConfIndData->u.Indication.u.IndConferRsp.byOctetStringLength);
pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalID.wOctetStringLength =
pH245ConfIndData->u.Indication.u.IndConferRsp.byOctetStringLength;
pPeerCall->pPeerParticipantInfo->TerminalIDState = TERMINAL_ID_VALID;
// Dequeue and respond to each enqueued request for this terminal ID
while (DequeueRequest(&pPeerCall->pPeerParticipantInfo->pEnqueuedRequestsForTerminalID,
&hEnqueuedCall) == CC_OK) {
if (LockCall(hEnqueuedCall, &pEnqueuedCall) == CC_OK) {
H245ConferenceResponse(pEnqueuedCall->H245Instance,
H245_RSP_MC_TERMINAL_ID,
pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bMCUNumber,
pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bTerminalNumber,
pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalID.pOctetString,
(BYTE)pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalID.wOctetStringLength,
NULL, // terminal list
0); // terminal list count
UnlockCall(pEnqueuedCall);
}
}
// Generate a CC_PEER_UPDATE_INDICATION callback
PeerUpdateCallbackParams.hCall = hPeerCall;
PeerUpdateCallbackParams.TerminalLabel =
pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
PeerUpdateCallbackParams.pPeerTerminalID = &pPeerCall->pPeerParticipantInfo->ParticipantInfo.TerminalID;
InvokeUserConferenceCallback(pConference,
CC_PEER_UPDATE_INDICATION,
CC_OK,
&PeerUpdateCallbackParams);
}
if (ValidateCall(hPeerCall) == CC_OK)
UnlockCall(pPeerCall);
}
}
status = H245_ERROR_OK;
break;
default:
H245ConferenceResponseCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
H245ConferenceResponseCallbackParams.InitiatorTerminalLabel.bMCUNumber = 255;
H245ConferenceResponseCallbackParams.InitiatorTerminalLabel.bTerminalNumber = 255;
} else
H245ConferenceResponseCallbackParams.InitiatorTerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
H245ConferenceResponseCallbackParams.ResponseType =
pH245ConfIndData->u.Indication.u.IndConferRsp.ResponseType;
H245ConferenceResponseCallbackParams.TerminalLabel.bMCUNumber =
pH245ConfIndData->u.Indication.u.IndConferRsp.byMcuNumber;
H245ConferenceResponseCallbackParams.TerminalLabel.bTerminalNumber =
pH245ConfIndData->u.Indication.u.IndConferRsp.byTerminalNumber;
if ((pH245ConfIndData->u.Indication.u.IndConferRsp.pOctetString == NULL) ||
(pH245ConfIndData->u.Indication.u.IndConferRsp.byOctetStringLength == 0)) {
H245ConferenceResponseCallbackParams.pOctetString = NULL;
} else {
OctetString.pOctetString =
pH245ConfIndData->u.Indication.u.IndConferRsp.pOctetString;
OctetString.wOctetStringLength =
pH245ConfIndData->u.Indication.u.IndConferRsp.byOctetStringLength;
H245ConferenceResponseCallbackParams.pOctetString = &OctetString;
}
if (pH245ConfIndData->u.Indication.u.IndConferRsp.wTerminalListCount == 0) {
H245ConferenceResponseCallbackParams.pTerminalList = NULL;
H245ConferenceResponseCallbackParams.wTerminalListCount = 0;
status = CC_OK;
} else {
H245ConferenceResponseCallbackParams.pTerminalList =
(CC_TERMINAL_LABEL *)MemAlloc(sizeof(CC_TERMINAL_LABEL) *
pH245ConfIndData->u.Indication.u.IndConferRsp.wTerminalListCount);
if (H245ConferenceResponseCallbackParams.pTerminalList == NULL) {
H245ConferenceResponseCallbackParams.wTerminalListCount = 0;
status = CC_NO_MEMORY;
} else {
for (i = 0; i < pH245ConfIndData->u.Indication.u.IndConferRsp.wTerminalListCount; i++) {
H245ConferenceResponseCallbackParams.pTerminalList[i].bMCUNumber =
(BYTE)pH245ConfIndData->u.Indication.u.IndConferRsp.pTerminalList[i].mcuNumber;
H245ConferenceResponseCallbackParams.pTerminalList[i].bMCUNumber =
(BYTE)pH245ConfIndData->u.Indication.u.IndConferRsp.pTerminalList[i].terminalNumber;
}
H245ConferenceResponseCallbackParams.wTerminalListCount =
pH245ConfIndData->u.Indication.u.IndConferRsp.wTerminalListCount;
status = CC_OK;
}
}
status = InvokeUserConferenceCallback(pConference,
CC_H245_CONFERENCE_RESPONSE_INDICATION,
status,
&H245ConferenceResponseCallbackParams);
if (status != CC_OK)
status = H245_ERROR_NOSUP;
if (H245ConferenceResponseCallbackParams.pTerminalList != NULL)
MemFree(H245ConferenceResponseCallbackParams.pTerminalList);
break;
}
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return status;
}
HRESULT _IndConferenceCommand( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
PCALL pOldCall;
PCONFERENCE pConference;
CC_HCONFERENCE hConference;
WORD i;
WORD wNumCalls;
PCC_HCALL CallList;
WORD wNumChannels;
PCC_HCHANNEL ChannelList;
PCHANNEL pChannel;
CC_HCHANNEL hChannel;
CALLSTATE CallState;
HQ931CALL hQ931Call;
H245_INST_T H245Instance;
HRESULT status = CC_OK;
CC_H245_CONFERENCE_COMMAND_CALLBACK_PARAMS H245ConferenceCommandCallbackParams;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pConference->hConference;
switch (pH245ConfIndData->u.Indication.u.IndConferCmd.CommandType) {
case H245_CMD_DROP_CONFERENCE:
if ((pConference->ConferenceMode == MULTIPOINT_MODE) &&
(pConference->tsMultipointController == TS_TRUE)) {
UnlockCall(pCall);
EnumerateCallsInConference(&wNumCalls, &CallList, pConference, ALL_CALLS);
for (i = 0; i < wNumCalls; i++) {
if (LockCall(CallList[i], &pCall) == CC_OK) {
hQ931Call = pCall->hQ931Call;
H245Instance = pCall->H245Instance;
CallState = pCall->CallState;
FreeCall(pCall);
switch (CallState) {
case ENQUEUED:
break;
case PLACED:
case RINGING:
Q931Hangup(hQ931Call, CC_REJECT_NORMAL_CALL_CLEARING);
break;
default:
H245ShutDown(H245Instance);
Q931Hangup(hQ931Call, CC_REJECT_NORMAL_CALL_CLEARING);
break;
}
}
}
if (CallList != NULL)
MemFree(CallList);
EnumerateChannelsInConference(&wNumChannels,
&ChannelList,
pConference,
ALL_CHANNELS);
for (i = 0; i < wNumChannels; i++) {
if (LockChannel(ChannelList[i], &pChannel) == CC_OK)
FreeChannel(pChannel);
}
if (ChannelList != NULL)
MemFree(ChannelList);
InvokeUserConferenceCallback(
pConference,
CC_CONFERENCE_TERMINATION_INDICATION,
CC_OK,
NULL);
if (ValidateConference(hConference) == CC_OK) {
if (pConference->bDeferredDelete)
FreeConference(pConference);
else {
ReInitializeConference(pConference);
UnlockConference(pConference);
}
}
return H245_ERROR_OK;
}
status = H245_ERROR_OK;
break;
case brdcstMyLgclChnnl_chosen:
case cnclBrdcstMyLgclChnnl_chosen:
if (FindChannelInConference(pH245ConfIndData->u.Indication.u.IndConferCmd.Channel,
FALSE, // remote channel number
RX_CHANNEL | PROXY_CHANNEL,
hCall,
&hChannel,
pConference) != CC_OK) {
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (LockChannel(hChannel, &pChannel) != CC_OK) {
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (pChannel->bChannelType == PROXY_CHANNEL) {
ASSERT(pConference->ConferenceMode == MULTIPOINT_MODE);
ASSERT(pConference->tsMultipointController == TS_TRUE);
ASSERT(pChannel->bMultipointChannel == TRUE);
EnumerateCallsInConference(&wNumCalls, &CallList, pConference, ESTABLISHED_CALL);
for (i = 0; i < wNumCalls; i++) {
if (CallList[i] != hCall) {
if (LockCall(CallList[i], &pOldCall) == CC_OK) {
H245ConferenceCommand(pOldCall->H245Instance,
pH245ConfIndData->u.Indication.u.IndConferCmd.CommandType,
pChannel->wLocalChannelNumber,
pH245ConfIndData->u.Indication.u.IndConferCmd.byMcuNumber,
pH245ConfIndData->u.Indication.u.IndConferCmd.byTerminalNumber);
UnlockCall(pOldCall);
}
}
}
MemFree(CallList);
}
if (pChannel->tsAccepted == TS_TRUE) {
H245ConferenceCommandCallbackParams.hCall = hCall;
H245ConferenceCommandCallbackParams.hChannel = hChannel;
if (pCall->pPeerParticipantInfo == NULL) {
H245ConferenceCommandCallbackParams.InitiatorTerminalLabel.bMCUNumber = 255;
H245ConferenceCommandCallbackParams.InitiatorTerminalLabel.bTerminalNumber = 255;
} else
H245ConferenceCommandCallbackParams.InitiatorTerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
H245ConferenceCommandCallbackParams.CommandType =
pH245ConfIndData->u.Indication.u.IndConferCmd.CommandType;
H245ConferenceCommandCallbackParams.TerminalLabel.bMCUNumber =
pH245ConfIndData->u.Indication.u.IndConferCmd.byMcuNumber;
H245ConferenceCommandCallbackParams.TerminalLabel.bTerminalNumber =
pH245ConfIndData->u.Indication.u.IndConferCmd.byTerminalNumber;
status = InvokeUserConferenceCallback(pConference,
CC_H245_CONFERENCE_COMMAND_INDICATION,
CC_OK,
&H245ConferenceCommandCallbackParams);
if (status != CC_OK)
status = H245_ERROR_NOSUP;
} else
status = H245_ERROR_OK;
if (ValidateChannel(hChannel) == CC_OK)
UnlockChannel(pChannel);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return status;
default:
// Unrecognized conference command
// Pass it up to the client
H245ConferenceCommandCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
H245ConferenceCommandCallbackParams.InitiatorTerminalLabel.bMCUNumber = 255;
H245ConferenceCommandCallbackParams.InitiatorTerminalLabel.bTerminalNumber = 255;
} else
H245ConferenceCommandCallbackParams.InitiatorTerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
H245ConferenceCommandCallbackParams.CommandType =
pH245ConfIndData->u.Indication.u.IndConferCmd.CommandType;
H245ConferenceCommandCallbackParams.TerminalLabel.bMCUNumber =
pH245ConfIndData->u.Indication.u.IndConferCmd.byMcuNumber;
H245ConferenceCommandCallbackParams.TerminalLabel.bTerminalNumber =
pH245ConfIndData->u.Indication.u.IndConferCmd.byTerminalNumber;
H245ConferenceCommandCallbackParams.hChannel = CC_INVALID_HANDLE;
status = InvokeUserConferenceCallback(pConference,
CC_H245_CONFERENCE_COMMAND_INDICATION,
CC_OK,
&H245ConferenceCommandCallbackParams);
if (status != CC_OK)
status = H245_ERROR_NOSUP;
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return status;
}
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return status;
}
HRESULT _IndConference( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
PCALL pPeerCall;
PCONFERENCE pConference;
CC_HCONFERENCE hConference;
H245_TERMINAL_LABEL_T H245TerminalLabel;
PPARTICIPANTINFO pPeerParticipantInfo;
HRESULT status;
CC_HCALL hVirtualCall;
PCALL pVirtualCall;
CC_PEER_ADD_CALLBACK_PARAMS PeerAddCallbackParams;
CC_PEER_DROP_CALLBACK_PARAMS PeerDropCallbackParams;
CC_H245_CONFERENCE_INDICATION_CALLBACK_PARAMS H245ConferenceIndicationCallbackParams;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pConference->hConference;
switch (pH245ConfIndData->u.Indication.u.IndConfer.IndicationType) {
case H245_IND_TERMINAL_NUMBER_ASSIGN:
if (pConference->tsMultipointController == TS_FALSE) {
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bMCUNumber =
pH245ConfIndData->u.Indication.u.IndConfer.byMcuNumber;
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bTerminalNumber =
pH245ConfIndData->u.Indication.u.IndConfer.byTerminalNumber;
hConference = pConference->hConference;
// Generate a CC_TERMINAL_NUMBER_ASSIGN callback
InvokeUserConferenceCallback(pConference,
CC_TERMINAL_NUMBER_INDICATION,
CC_OK,
&pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
UnlockCall(pCall);
return H245_ERROR_OK;
}
status = H245_ERROR_OK;
break;
case H245_IND_TERMINAL_JOINED:
if (pConference->tsMultipointController == TS_FALSE) {
if ((pH245ConfIndData->u.Indication.u.IndConfer.byMcuNumber ==
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bMCUNumber) &&
(pH245ConfIndData->u.Indication.u.IndConfer.byTerminalNumber ==
pConference->LocalParticipantInfo.ParticipantInfo.TerminalLabel.bTerminalNumber)) {
// This message refers to us
status = H245_ERROR_OK;
break;
}
H245TerminalLabel.mcuNumber = pH245ConfIndData->u.Indication.u.IndConfer.byMcuNumber;
H245TerminalLabel.terminalNumber = pH245ConfIndData->u.Indication.u.IndConfer.byTerminalNumber;
FindPeerParticipantInfo(H245TerminalLabel,
pConference,
VIRTUAL_CALL,
&pPeerCall);
if (pPeerCall != NULL) {
// We already know this peer's terminal label, and we
// eithet know its terminal ID or we have a pending request
// to obtain it
UnlockCall(pPeerCall);
status = H245_ERROR_OK;
break;
}
// We don't know about this peer.
// Create a virtual call object for it, and issue a request
// for its terminal ID
status = AllocAndLockCall(&hVirtualCall,
pConference->hConference,
CC_INVALID_HANDLE, // hQ931Call
CC_INVALID_HANDLE, // hQ931CallInvitor,
NULL, // pLocalAliasNames,
NULL, // pPeerAliasNames,
NULL, // pPeerExtraAliasNames
NULL, // pPeerExtension
NULL, // pLocalNonStandardData,
NULL, // pPeerNonStandardData,
NULL, // pszLocalDisplay,
NULL, // pszPeerDisplay,
NULL, // pPeerVendorInfo,
NULL, // pQ931LocalConnectAddr,
NULL, // pQ931PeerConnectAddr,
NULL, // pQ931DestinationAddr,
NULL, // pSourceCallSignalAddress
VIRTUAL, // CallType,
FALSE, // bCallerIsMC,
0, // dwUserToken,
CALL_COMPLETE, // InitialCallState,
NULL, // no CallIdentifier
&pConference->ConferenceID,
&pVirtualCall);
if (status == CC_OK) {
status = AllocatePeerParticipantInfo(NULL,
&pPeerParticipantInfo);
if (status == CC_OK) {
pVirtualCall->pPeerParticipantInfo =
pPeerParticipantInfo;
pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bMCUNumber =
(BYTE)H245TerminalLabel.mcuNumber;
pPeerParticipantInfo->ParticipantInfo.TerminalLabel.bTerminalNumber =
(BYTE)H245TerminalLabel.terminalNumber;
AddVirtualCallToConference(pVirtualCall,
pConference);
// Send RequestTerminalID
H245ConferenceRequest(pCall->H245Instance,
H245_REQ_TERMINAL_ID,
(BYTE)H245TerminalLabel.mcuNumber,
(BYTE)H245TerminalLabel.terminalNumber);
pPeerParticipantInfo->TerminalIDState = TERMINAL_ID_REQUESTED;
// Generate PEER_ADD callback
PeerAddCallbackParams.hCall = hVirtualCall;
PeerAddCallbackParams.TerminalLabel =
pVirtualCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
PeerAddCallbackParams.pPeerTerminalID = NULL;
InvokeUserConferenceCallback(pConference,
CC_PEER_ADD_INDICATION,
CC_OK,
&PeerAddCallbackParams);
if (ValidateCall(hVirtualCall) == CC_OK)
UnlockCall(pVirtualCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
UnlockCall(pCall);
return H245_ERROR_OK;
} else
FreeCall(pVirtualCall);
}
}
status = H245_ERROR_OK;
break;
case H245_IND_TERMINAL_LEFT:
if (pConference->tsMultipointController == TS_FALSE) {
H245TerminalLabel.mcuNumber = pH245ConfIndData->u.Indication.u.IndConfer.byMcuNumber;
H245TerminalLabel.terminalNumber = pH245ConfIndData->u.Indication.u.IndConfer.byTerminalNumber;
status = FindPeerParticipantInfo(H245TerminalLabel,
pConference,
VIRTUAL_CALL,
&pVirtualCall);
if (status == CC_OK) {
ASSERT(pVirtualCall != NULL);
ASSERT(pVirtualCall->pPeerParticipantInfo != NULL);
// Save the virtual call handle; we'll need to validate the virtual
// call object after returning from the conference callback
hVirtualCall = pVirtualCall->hCall;
PeerDropCallbackParams.hCall = hVirtualCall;
PeerDropCallbackParams.TerminalLabel = pVirtualCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
if (pVirtualCall->pPeerParticipantInfo->TerminalIDState == TERMINAL_ID_VALID)
PeerDropCallbackParams.pPeerTerminalID = &pVirtualCall->pPeerParticipantInfo->ParticipantInfo.TerminalID;
else
PeerDropCallbackParams.pPeerTerminalID = NULL;
} else {
// Set pVirtualCall to NULL to indicate that we don't have
// a virtual call object that needs to be free'd up later
pVirtualCall = NULL;
PeerDropCallbackParams.hCall = CC_INVALID_HANDLE;
PeerDropCallbackParams.TerminalLabel.bMCUNumber = pH245ConfIndData->u.Indication.u.IndConfer.byMcuNumber;
PeerDropCallbackParams.TerminalLabel.bTerminalNumber = pH245ConfIndData->u.Indication.u.IndConfer.byTerminalNumber;
PeerDropCallbackParams.pPeerTerminalID = NULL;
}
hConference = pConference->hConference;
// Generate a CC_PEER_DROP_INDICATION callback
InvokeUserConferenceCallback(pConference,
CC_PEER_DROP_INDICATION,
CC_OK,
&PeerDropCallbackParams);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
// Check to see if we have a virtual call object that needs to be free'd up
if (pVirtualCall != NULL)
if (ValidateCall(hVirtualCall) == CC_OK)
FreeCall(pVirtualCall);
UnlockCall(pCall);
return H245_ERROR_OK;
}
status = H245_ERROR_OK;
break;
default:
H245ConferenceIndicationCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
H245ConferenceIndicationCallbackParams.InitiatorTerminalLabel.bMCUNumber = 255;
H245ConferenceIndicationCallbackParams.InitiatorTerminalLabel.bTerminalNumber = 255;
} else
H245ConferenceIndicationCallbackParams.InitiatorTerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
H245ConferenceIndicationCallbackParams.IndicationType =
pH245ConfIndData->u.Indication.u.IndConfer.IndicationType;
H245ConferenceIndicationCallbackParams.bSBENumber =
pH245ConfIndData->u.Indication.u.IndConfer.bySbeNumber;
H245ConferenceIndicationCallbackParams.TerminalLabel.bMCUNumber =
pH245ConfIndData->u.Indication.u.IndConfer.byMcuNumber;
H245ConferenceIndicationCallbackParams.TerminalLabel.bTerminalNumber =
pH245ConfIndData->u.Indication.u.IndConfer.byTerminalNumber;
status = InvokeUserConferenceCallback(pConference,
CC_H245_CONFERENCE_INDICATION_INDICATION,
CC_OK,
&H245ConferenceIndicationCallbackParams);
if (status != CC_OK)
status = H245_ERROR_NOSUP;
break;
}
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return status;
}
HRESULT _IndCommunicationModeCommand(
H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
CC_MULTIPOINT_CALLBACK_PARAMS MultipointCallbackParams;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
if (pConference->tsMultipointController == TS_TRUE) {
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
}
hConference = pConference->hConference;
// Destroy the old session table
FreeConferenceSessionTable(pConference);
H245CommunicationTableToSessionTable(
pH245ConfIndData->u.Indication.u.IndCommRsp.pTable,
pH245ConfIndData->u.Indication.u.IndCommRsp.byTableCount,
&pConference->pSessionTable);
pConference->bSessionTableInternallyConstructed = TRUE;
// Generate MULTIPOINT callback
MultipointCallbackParams.pTerminalInfo = &pConference->LocalParticipantInfo.ParticipantInfo;
MultipointCallbackParams.pSessionTable = pConference->pSessionTable;
InvokeUserConferenceCallback(pConference,
CC_MULTIPOINT_INDICATION,
CC_OK,
&MultipointCallbackParams);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _IndVendorIdentification( H245_CONF_IND_T *pH245ConfIndData,
VendorIdentification *pVendorIdentification)
{
CC_HCALL hCall;
PCALL pCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
CC_NONSTANDARDDATA NonStandardData;
CC_OCTETSTRING ProductNumber;
CC_OCTETSTRING VersionNumber;
CC_VENDOR_ID_CALLBACK_PARAMS VendorIDCallbackParams;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pConference->hConference;
VendorIDCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
VendorIDCallbackParams.InitiatorTerminalLabel.bMCUNumber = 255;
VendorIDCallbackParams.InitiatorTerminalLabel.bTerminalNumber = 255;
} else
VendorIDCallbackParams.InitiatorTerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
if (pVendorIdentification->vendor.choice == h221NonStandard_chosen) {
NonStandardData.sData.pOctetString = NULL;
NonStandardData.sData.wOctetStringLength = 0;
NonStandardData.bCountryCode = (BYTE)pVendorIdentification->vendor.u.h221NonStandard.t35CountryCode;
NonStandardData.bExtension = (BYTE)pVendorIdentification->vendor.u.h221NonStandard.t35Extension;
NonStandardData.wManufacturerCode = pVendorIdentification->vendor.u.h221NonStandard.manufacturerCode;
VendorIDCallbackParams.pNonStandardData = &NonStandardData;
} else
VendorIDCallbackParams.pNonStandardData = NULL;
if (pVendorIdentification->bit_mask & productNumber_present) {
ProductNumber.pOctetString =
pVendorIdentification->productNumber.value;
ProductNumber.wOctetStringLength = (WORD)
pVendorIdentification->productNumber.length;
VendorIDCallbackParams.pProductNumber = &ProductNumber;
} else
VendorIDCallbackParams.pProductNumber = NULL;
if (pVendorIdentification->bit_mask & versionNumber_present) {
VersionNumber.pOctetString =
pVendorIdentification->versionNumber.value;
VersionNumber.wOctetStringLength = (WORD)
pVendorIdentification->versionNumber.length;
VendorIDCallbackParams.pVersionNumber = &VersionNumber;
} else
VendorIDCallbackParams.pVersionNumber = NULL;
InvokeUserConferenceCallback(pConference,
CC_VENDOR_ID_INDICATION,
CC_OK,
&VendorIDCallbackParams);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _IndH2250MaximumSkew( H245_CONF_IND_T *pH245ConfIndData)
{
HRESULT status;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
CC_HCALL hCall;
PCC_HCALL CallList;
WORD wNumCalls;
WORD i;
PCALL pCall;
PCALL pOldCall;
CC_HCHANNEL hChannel1;
PCHANNEL pChannel1;
CC_HCHANNEL hChannel2;
PCHANNEL pChannel2;
CC_MAXIMUM_AUDIO_VIDEO_SKEW_CALLBACK_PARAMS MaximumAudioVideoSkewCallbackParams;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
status = LockCallAndConference(hCall, &pCall, &pConference);
if (status != CC_OK) {
// This may be OK, if the call was cancelled while
// call setup was in progress.
return H245_ERROR_OK;
}
hConference = pCall->hConference;
UnlockCall(pCall);
if (FindChannelInConference(pH245ConfIndData->u.Indication.u.IndH2250MaxSkew.LogicalChannelNumber1,
FALSE, // remote channel number
RX_CHANNEL | PROXY_CHANNEL,
hCall,
&hChannel1,
pConference) != CC_OK) {
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (LockChannel(hChannel1, &pChannel1) != CC_OK) {
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (pChannel1->bChannelType == RX_CHANNEL) {
UnlockChannel(pChannel1);
if (FindChannelInConference(pH245ConfIndData->u.Indication.u.IndH2250MaxSkew.LogicalChannelNumber2,
FALSE, // remote channel number
RX_CHANNEL,
hCall,
&hChannel2,
pConference) != CC_OK) {
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (LockChannel(hChannel2, &pChannel2) != CC_OK) {
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (pChannel2->bChannelType != RX_CHANNEL) {
UnlockChannel(pChannel2);
UnlockConference(pConference);
return H245_ERROR_OK;
}
UnlockChannel(pChannel2);
MaximumAudioVideoSkewCallbackParams.hChannel1 = hChannel1;
MaximumAudioVideoSkewCallbackParams.hChannel2 = hChannel2;
MaximumAudioVideoSkewCallbackParams.wMaximumSkew =
pH245ConfIndData->u.Indication.u.IndH2250MaxSkew.wSkew;
InvokeUserConferenceCallback(pConference,
CC_MAXIMUM_AUDIO_VIDEO_SKEW_INDICATION,
CC_OK,
&MaximumAudioVideoSkewCallbackParams);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
} else { // pChannel1->bChannelType == PROXY_CHANNEL
if (FindChannelInConference(pH245ConfIndData->u.Indication.u.IndH2250MaxSkew.LogicalChannelNumber2,
FALSE, // remote channel number
PROXY_CHANNEL,
hCall,
&hChannel2,
pConference) != CC_OK) {
UnlockChannel(pChannel1);
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (LockChannel(hChannel2, &pChannel2) != CC_OK) {
UnlockChannel(pChannel1);
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (pChannel1->hCall != pChannel2->hCall) {
UnlockChannel(pChannel1);
UnlockChannel(pChannel2);
UnlockConference(pConference);
return H245_ERROR_OK;
}
EnumerateCallsInConference(&wNumCalls, &CallList, pConference, ESTABLISHED_CALL);
for (i = 0; i < wNumCalls; i++) {
if (CallList[i] != hCall) {
if (LockCall(CallList[i], &pOldCall) == CC_OK) {
H245H2250MaximumSkewIndication(pOldCall->H245Instance,
pChannel1->wLocalChannelNumber,
pChannel2->wLocalChannelNumber,
pH245ConfIndData->u.Indication.u.IndH2250MaxSkew.wSkew);
UnlockCall(pCall);
}
}
}
if (CallList != NULL)
MemFree(CallList);
if ((pChannel1->tsAccepted == TS_TRUE) && (pChannel2->tsAccepted == TS_TRUE)) {
MaximumAudioVideoSkewCallbackParams.hChannel1 = hChannel1;
MaximumAudioVideoSkewCallbackParams.hChannel2 = hChannel2;
MaximumAudioVideoSkewCallbackParams.wMaximumSkew =
pH245ConfIndData->u.Indication.u.IndH2250MaxSkew.wSkew;
InvokeUserConferenceCallback(pConference,
CC_MAXIMUM_AUDIO_VIDEO_SKEW_INDICATION,
CC_OK,
&MaximumAudioVideoSkewCallbackParams);
}
if (ValidateChannel(hChannel1) == CC_OK)
UnlockChannel(pChannel1);
if (ValidateChannel(hChannel2) == CC_OK)
UnlockChannel(pChannel2);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
}
return H245_ERROR_OK;
}
HRESULT _IndUserInput( H245_CONF_IND_T *pH245ConfIndData)
{
return H245_ERROR_OK;
}
HRESULT _IndSendTerminalCapabilitySet(
H245_CONF_IND_T *pH245ConfIndData)
{
HRESULT status;
CC_HCALL hCall;
PCALL pCall;
PCONFERENCE pConference;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
status = LockCallAndConference(hCall, &pCall, &pConference);
if (status != CC_OK) {
// This may be OK, if the call was cancelled while
// call setup was in progress.
return H245_ERROR_OK;
}
SendTermCaps(pCall, pConference);
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _IndModeRequest( H245_CONF_IND_T *pH245ConfIndData)
{
HRESULT status;
CC_HCALL hCall;
PCALL pCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
CC_REQUEST_MODE_CALLBACK_PARAMS RequestModeCallbackParams;
hCall = pH245ConfIndData->u.Indication.dwPreserved;
status = LockCallAndConference(hCall, &pCall, &pConference);
if (status != CC_OK) {
// This may be OK, if the call was cancelled while
// call setup was in progress.
return H245_ERROR_OK;
}
hConference = pConference->hConference;
EnqueueRequest(&pConference->pEnqueuedRequestModeCalls, hCall);
RequestModeCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
RequestModeCallbackParams.InitiatorTerminalLabel.bMCUNumber = 255;
RequestModeCallbackParams.InitiatorTerminalLabel.bTerminalNumber = 255;
} else
RequestModeCallbackParams.InitiatorTerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
RequestModeCallbackParams.pRequestedModes =
pH245ConfIndData->u.Indication.u.IndMrse.pRequestedModes;
InvokeUserConferenceCallback(pConference,
CC_REQUEST_MODE_INDICATION,
CC_OK,
&RequestModeCallbackParams);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _ConfUnimplemented( H245_CONF_IND_T *pH245ConfIndData)
{
return H245_ERROR_NOSUP;
}
HRESULT _ConfBiDirectionalOpen( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
CC_HCHANNEL hChannel;
CC_HCONFERENCE hConference;
PCHANNEL pChannel;
PCONFERENCE pConference;
BOOL bAccept;
HRESULT status;
CC_ADDR T120Addr;
CC_OCTETSTRING ExternalReference;
CC_T120_CHANNEL_OPEN_CALLBACK_PARAMS T120ChannelOpenCallbackParams;
hCall = pH245ConfIndData->u.Confirm.dwPreserved;
if (hCall == CC_INVALID_HANDLE)
return H245_ERROR_OK;
hChannel = pH245ConfIndData->u.Confirm.dwTransId;
if (hChannel == CC_INVALID_HANDLE)
return H245_ERROR_OK;
if (LockChannelAndConference(hChannel, &pChannel, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pConference->hConference;
if (pChannel->bChannelType != TXRX_CHANNEL) {
UnlockChannel(pChannel);
UnlockConference(pConference);
return H245_ERROR_OK;
}
if ((pH245ConfIndData->u.Confirm.u.ConfOpenNeedRsp.AccRej == H245_ACC) &&
(pH245ConfIndData->u.Confirm.Error == H245_ERROR_OK)) {
pChannel->wNumOutstandingRequests = 0;
bAccept = TRUE;
} else {
(pChannel->wNumOutstandingRequests)--;
bAccept = FALSE;
}
T120ChannelOpenCallbackParams.hChannel = hChannel;
T120ChannelOpenCallbackParams.hCall = hCall;
T120ChannelOpenCallbackParams.dwUserToken = pChannel->dwUserToken;
T120ChannelOpenCallbackParams.dwRejectReason = 0;
if (bAccept) {
status = CC_OK;
if (pH245ConfIndData->u.Confirm.u.ConfOpenNeedRsp.pSeparateStack) {
if ((pH245ConfIndData->u.Confirm.u.ConfOpenNeedRsp.pSeparateStack->networkAddress.choice == localAreaAddress_chosen) &&
(pH245ConfIndData->u.Confirm.u.ConfOpenNeedRsp.pSeparateStack->networkAddress.u.localAreaAddress.choice == unicastAddress_chosen) &&
(pH245ConfIndData->u.Confirm.u.ConfOpenNeedRsp.pSeparateStack->networkAddress.u.localAreaAddress.u.unicastAddress.choice == UnicastAddress_iPAddress_chosen)) {
T120Addr.nAddrType = CC_IP_BINARY;
T120Addr.bMulticast = FALSE;
T120Addr.Addr.IP_Binary.wPort =
pH245ConfIndData->u.Confirm.u.ConfOpenNeedRsp.pSeparateStack->networkAddress.u.localAreaAddress.u.unicastAddress.u.UnicastAddress_iPAddress.tsapIdentifier;
H245IPNetworkToHost(&T120Addr.Addr.IP_Binary.dwAddr,
pH245ConfIndData->u.Confirm.u.ConfOpenNeedRsp.pSeparateStack->networkAddress.u.localAreaAddress.u.unicastAddress.u.UnicastAddress_iPAddress.network.value);
T120ChannelOpenCallbackParams.pAddr = &T120Addr;
} else {
T120ChannelOpenCallbackParams.pAddr = NULL;
}
T120ChannelOpenCallbackParams.bAssociateConference =
pH245ConfIndData->u.Confirm.u.ConfOpenNeedRsp.pSeparateStack->associateConference;
if (pH245ConfIndData->u.Confirm.u.ConfOpenNeedRsp.pSeparateStack->bit_mask & externalReference_present) {
ExternalReference.wOctetStringLength = (WORD)
pH245ConfIndData->u.Confirm.u.ConfOpenNeedRsp.pSeparateStack->externalReference.length;
ExternalReference.pOctetString =
pH245ConfIndData->u.Confirm.u.ConfOpenNeedRsp.pSeparateStack->externalReference.value;
T120ChannelOpenCallbackParams.pExternalReference = &ExternalReference;
} else
T120ChannelOpenCallbackParams.pExternalReference = NULL;
} else {
T120ChannelOpenCallbackParams.pAddr = NULL;
T120ChannelOpenCallbackParams.bAssociateConference = FALSE;
T120ChannelOpenCallbackParams.pExternalReference = NULL;
}
} else { // bAccept == FALSE
if (pH245ConfIndData->u.Confirm.Error == H245_ERROR_OK)
status = CC_PEER_REJECT;
else
status = pH245ConfIndData->u.Confirm.Error;
T120ChannelOpenCallbackParams.pAddr = NULL;
T120ChannelOpenCallbackParams.bAssociateConference = FALSE;
T120ChannelOpenCallbackParams.pExternalReference = NULL;
T120ChannelOpenCallbackParams.dwRejectReason =
pH245ConfIndData->u.Confirm.u.ConfOpenNeedRsp.AccRej;
}
InvokeUserConferenceCallback(pConference,
CC_T120_CHANNEL_OPEN_INDICATION,
status,
&T120ChannelOpenCallbackParams);
if (ValidateChannel(hChannel) == CC_OK)
if (bAccept)
UnlockChannel(pChannel);
else
FreeChannel(pChannel);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _ConfOpenT120( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
CC_HCHANNEL hChannel;
CC_HCONFERENCE hConference;
PCHANNEL pChannel;
PCONFERENCE pConference;
HRESULT status;
CC_T120_CHANNEL_OPEN_CALLBACK_PARAMS T120ChannelOpenCallbackParams;
hCall = pH245ConfIndData->u.Confirm.dwPreserved;
if (hCall == CC_INVALID_HANDLE)
return H245_ERROR_OK;
hChannel = pH245ConfIndData->u.Confirm.dwTransId;
if (hChannel == CC_INVALID_HANDLE)
return H245_ERROR_OK;
if (LockChannelAndConference(hChannel, &pChannel, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pConference->hConference;
if (pChannel->bChannelType != TXRX_CHANNEL) {
UnlockChannel(pChannel);
UnlockConference(pConference);
return H245_ERROR_OK;
}
if ((pH245ConfIndData->u.Confirm.u.ConfOpen.AccRej == H245_ACC) &&
(pH245ConfIndData->u.Confirm.Error == H245_ERROR_OK)) {
// We expect to get a ConfOpenNeedRsp callback for this case;
// Since we're not sure how we got here, just bail out
UnlockChannel(pChannel);
UnlockConference(pConference);
return H245_ERROR_OK;
}
T120ChannelOpenCallbackParams.hChannel = hChannel;
T120ChannelOpenCallbackParams.hCall = hCall;
T120ChannelOpenCallbackParams.dwUserToken = pChannel->dwUserToken;
if (pH245ConfIndData->u.Confirm.Error == H245_ERROR_OK)
status = CC_PEER_REJECT;
else
status = pH245ConfIndData->u.Confirm.Error;
T120ChannelOpenCallbackParams.pAddr = NULL;
T120ChannelOpenCallbackParams.bAssociateConference = FALSE;
T120ChannelOpenCallbackParams.pExternalReference = NULL;
T120ChannelOpenCallbackParams.dwRejectReason =
pH245ConfIndData->u.Confirm.u.ConfOpenNeedRsp.AccRej;
InvokeUserConferenceCallback(pConference,
CC_T120_CHANNEL_OPEN_INDICATION,
status,
&T120ChannelOpenCallbackParams);
if (ValidateChannel(hChannel) == CC_OK)
FreeChannel(pChannel);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _ConfOpen( H245_CONF_IND_T *pH245ConfIndData)
{
HRESULT status;
CC_ADDR PeerRTPAddr;
PCC_ADDR pPeerRTPAddr;
CC_ADDR PeerRTCPAddr;
PCC_ADDR pPeerRTCPAddr;
CC_HCHANNEL hChannel;
PCHANNEL pChannel;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
CC_TX_CHANNEL_OPEN_CALLBACK_PARAMS TxChannelOpenCallbackParams;
PCALL pCall;
BOOL bAccept;
H245_MUX_T H245MuxTable;
WORD i;
#ifdef GATEKEEPER
unsigned uBandwidth;
WORD wNumCalls;
PCC_HCALL CallList;
#endif // GATEKEEPER
// a channel was opened
hChannel = pH245ConfIndData->u.Confirm.dwTransId;
if (hChannel == CC_INVALID_HANDLE)
return H245_ERROR_OK;
if (LockChannelAndConference(hChannel, &pChannel, &pConference) != CC_OK)
return H245_ERROR_OK;
if (pChannel->bChannelType == TXRX_CHANNEL) {
UnlockChannel(pChannel);
UnlockConference(pConference);
return _ConfOpenT120(pH245ConfIndData);
}
hConference = pConference->hConference;
if (pChannel->wNumOutstandingRequests == 0) {
UnlockChannel(pChannel);
UnlockConference(pConference);
return H245_ERROR_OK;
}
if ((pH245ConfIndData->u.Confirm.u.ConfOpen.AccRej == H245_ACC) &&
(pH245ConfIndData->u.Confirm.Error == H245_ERROR_OK)) {
pChannel->wNumOutstandingRequests = 0;
bAccept = TRUE;
} else {
(pChannel->wNumOutstandingRequests)--;
bAccept = FALSE;
#ifdef GATEKEEPER
if(GKIExists())
{
uBandwidth = pChannel->dwChannelBitRate / 100;
if (uBandwidth != 0 && pChannel->bChannelType != TXRX_CHANNEL)
{
EnumerateCallsInConference(&wNumCalls, &CallList, pConference, ESTABLISHED_CALL);
for (i = 0; i < wNumCalls; ++i)
{
if (LockCall(CallList[i], &pCall) == CC_OK)
{
if (pCall->GkiCall.uBandwidthUsed >= uBandwidth)
{
if (GkiCloseChannel(&pCall->GkiCall, pChannel->dwChannelBitRate, hChannel) == CC_OK)
{
UnlockCall(pCall);
break;
}
}
UnlockCall(pCall);
}
} // for
if (CallList != NULL)
MemFree(CallList);
}
}
#endif // GATEKEEPER
}
if (pChannel->wNumOutstandingRequests == 0) {
if (pH245ConfIndData->u.Confirm.u.ConfOpen.pTxMux == NULL) {
pPeerRTPAddr = NULL;
pPeerRTCPAddr = NULL;
} else {
ASSERT(pH245ConfIndData->u.Confirm.u.ConfOpen.pTxMux->Kind == H245_H2250ACK);
if ((pH245ConfIndData->u.Confirm.u.ConfOpen.pTxMux->u.H2250ACK.mediaChannelPresent) &&
((pH245ConfIndData->u.Confirm.u.ConfOpen.pTxMux->u.H2250ACK.mediaChannel.type == H245_IP_MULTICAST) ||
(pH245ConfIndData->u.Confirm.u.ConfOpen.pTxMux->u.H2250ACK.mediaChannel.type == H245_IP_UNICAST))) {
pPeerRTPAddr = &PeerRTPAddr;
PeerRTPAddr.nAddrType = CC_IP_BINARY;
if (pH245ConfIndData->u.Confirm.u.ConfOpen.pTxMux->u.H2250ACK.mediaChannel.type == H245_IP_MULTICAST)
PeerRTPAddr.bMulticast = TRUE;
else
PeerRTPAddr.bMulticast = FALSE;
H245IPNetworkToHost(&PeerRTPAddr.Addr.IP_Binary.dwAddr,
pH245ConfIndData->u.Confirm.u.ConfOpen.pTxMux->u.H2250ACK.mediaChannel.u.ip.network);
PeerRTPAddr.Addr.IP_Binary.wPort =
pH245ConfIndData->u.Confirm.u.ConfOpen.pTxMux->u.H2250ACK.mediaChannel.u.ip.tsapIdentifier;
} else
pPeerRTPAddr = NULL;
if ((pH245ConfIndData->u.Confirm.u.ConfOpen.pTxMux->u.H2250ACK.mediaControlChannelPresent) &&
((pH245ConfIndData->u.Confirm.u.ConfOpen.pTxMux->u.H2250ACK.mediaControlChannel.type == H245_IP_MULTICAST) ||
(pH245ConfIndData->u.Confirm.u.ConfOpen.pTxMux->u.H2250ACK.mediaControlChannel.type == H245_IP_UNICAST))) {
pPeerRTCPAddr = &PeerRTCPAddr;
PeerRTCPAddr.nAddrType = CC_IP_BINARY;
if (pH245ConfIndData->u.Confirm.u.ConfOpen.pTxMux->u.H2250ACK.mediaControlChannel.type == H245_IP_MULTICAST)
PeerRTCPAddr.bMulticast = TRUE;
else
PeerRTCPAddr.bMulticast = FALSE;
H245IPNetworkToHost(&PeerRTCPAddr.Addr.IP_Binary.dwAddr,
pH245ConfIndData->u.Confirm.u.ConfOpen.pTxMux->u.H2250ACK.mediaControlChannel.u.ip.network);
PeerRTCPAddr.Addr.IP_Binary.wPort =
pH245ConfIndData->u.Confirm.u.ConfOpen.pTxMux->u.H2250ACK.mediaControlChannel.u.ip.tsapIdentifier;
} else
pPeerRTCPAddr = NULL;
}
if ((pPeerRTPAddr == NULL) || (pPeerRTCPAddr == NULL)) {
if (pConference->pSessionTable != NULL) {
for (i = 0; i < pConference->pSessionTable->wLength; i++) {
if (pConference->pSessionTable->SessionInfoArray[i].bSessionID ==
pChannel->bSessionID) {
if (pPeerRTPAddr == NULL)
pPeerRTPAddr = pConference->pSessionTable->SessionInfoArray[i].pRTPAddr;
if (pPeerRTCPAddr == NULL)
pPeerRTCPAddr = pConference->pSessionTable->SessionInfoArray[i].pRTCPAddr;
break;
}
}
}
}
if ((pChannel->pPeerRTPAddr == NULL) && (pPeerRTPAddr != NULL))
CopyAddr(&pChannel->pPeerRTPAddr, pPeerRTPAddr);
if ((pChannel->pPeerRTCPAddr == NULL) && (pPeerRTCPAddr != NULL))
CopyAddr(&pChannel->pPeerRTCPAddr, pPeerRTCPAddr);
if (pChannel->bChannelType == PROXY_CHANNEL) {
if (LockCall(pChannel->hCall, &pCall) == CC_OK) {
if (bAccept) {
H245MuxTable.Kind = H245_H2250ACK;
H245MuxTable.u.H2250ACK.nonStandardList = NULL;
if (pPeerRTPAddr != NULL) {
if (pPeerRTPAddr->bMulticast)
H245MuxTable.u.H2250ACK.mediaChannel.type = H245_IP_MULTICAST;
else
H245MuxTable.u.H2250ACK.mediaChannel.type = H245_IP_UNICAST;
H245MuxTable.u.H2250ACK.mediaChannel.u.ip.tsapIdentifier =
pPeerRTPAddr->Addr.IP_Binary.wPort;
HostToH245IPNetwork(H245MuxTable.u.H2250ACK.mediaChannel.u.ip.network,
pPeerRTPAddr->Addr.IP_Binary.dwAddr);
H245MuxTable.u.H2250ACK.mediaChannelPresent = TRUE;
} else
H245MuxTable.u.H2250ACK.mediaChannelPresent = FALSE;
if (pPeerRTCPAddr != NULL) {
if (pPeerRTCPAddr->bMulticast)
H245MuxTable.u.H2250ACK.mediaControlChannel.type = H245_IP_MULTICAST;
else
H245MuxTable.u.H2250ACK.mediaControlChannel.type = H245_IP_UNICAST;
H245MuxTable.u.H2250ACK.mediaControlChannel.u.ip.tsapIdentifier =
pPeerRTCPAddr->Addr.IP_Binary.wPort;
HostToH245IPNetwork(H245MuxTable.u.H2250ACK.mediaControlChannel.u.ip.network,
pPeerRTCPAddr->Addr.IP_Binary.dwAddr);
H245MuxTable.u.H2250ACK.mediaControlChannelPresent = TRUE;
} else
H245MuxTable.u.H2250ACK.mediaControlChannelPresent = FALSE;
H245MuxTable.u.H2250ACK.dynamicRTPPayloadTypePresent = FALSE;
H245MuxTable.u.H2250ACK.sessionIDPresent = TRUE;
H245MuxTable.u.H2250ACK.sessionID = pChannel->bSessionID;
status = H245OpenChannelAccept(pCall->H245Instance,
0, // dwTransId
pChannel->wRemoteChannelNumber, // Rx channel
&H245MuxTable,
0, // Tx channel
NULL, // Tx mux
H245_INVALID_PORT_NUMBER,// Port
NULL);
} else { // bAccept == FALSE
status = H245OpenChannelReject(pCall->H245Instance,
pChannel->wRemoteChannelNumber, // Rx channel
(unsigned short)pH245ConfIndData->u.Confirm.u.ConfOpen.AccRej); // rejection reason
}
UnlockCall(pCall);
}
}
TxChannelOpenCallbackParams.hChannel = hChannel;
TxChannelOpenCallbackParams.pPeerRTPAddr = pPeerRTPAddr;
TxChannelOpenCallbackParams.pPeerRTCPAddr = pPeerRTCPAddr;
TxChannelOpenCallbackParams.dwUserToken = pChannel->dwUserToken;
if (bAccept) {
status = CC_OK;
TxChannelOpenCallbackParams.dwRejectReason = H245_ACC;
} else { // bAccept = FALSE
if (pH245ConfIndData->u.Confirm.Error == H245_ERROR_OK)
status = CC_PEER_REJECT;
else
status = pH245ConfIndData->u.Confirm.Error;
TxChannelOpenCallbackParams.dwRejectReason =
pH245ConfIndData->u.Confirm.u.ConfOpen.AccRej;
}
if ((pChannel->bCallbackInvoked == FALSE) &&
((pChannel->bChannelType == TX_CHANNEL) ||
((pChannel->bChannelType == TXRX_CHANNEL) &&
(pChannel->bLocallyOpened == TRUE)))) {
pChannel->bCallbackInvoked = TRUE;
InvokeUserConferenceCallback(pConference,
CC_TX_CHANNEL_OPEN_INDICATION,
status,
&TxChannelOpenCallbackParams);
}
if (ValidateChannel(hChannel) == CC_OK)
if (bAccept)
UnlockChannel(pChannel);
else
FreeChannel(pChannel);
} else
UnlockChannel(pChannel);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _ConfClose( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
CC_HCHANNEL hChannel;
PCHANNEL pChannel;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
PCALL pCall;
H245_ACC_REJ_T AccRej;
hCall = pH245ConfIndData->u.Confirm.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pCall->hConference;
UnlockCall(pCall);
if (pH245ConfIndData->u.Confirm.Error != H245_ERROR_OK)
{
// TBD - Report error to Call Control client
// but wait! CC_CloseChannel() is a synchronous API! Until/unless that
// changes, the buck stops here.
if (FindChannelInConference(pH245ConfIndData->u.Confirm.u.ConfReqClose.Channel,
TRUE, // local channel number
TX_CHANNEL | PROXY_CHANNEL,
hCall,
&hChannel,
pConference) != CC_OK)
{
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (LockChannel(hChannel, &pChannel) != CC_OK)
{
UnlockConference(pConference);
return H245_ERROR_OK;
}
// NOTE STOPGAP MEASURE : short term intentional "leak" of channel number.
// The channel number is actually a bit in a per-conference bitmap, so there
// is no real memory leak.
// This case is rare. The most likely error that leads here is a timeout.
// Calling FreeChannel() will normally recycle the logical channel
// number, and a new channel could reuse this number very quickly. If the error
// is a timeout, chances are that a late CloseLogicalChannelAck is on its
// way up the wire. We don't want that late CloseLogicalChannelAck to be
// associated with a completely new unrelated channel.
// set channel number to zero so that FreeChannel() does not recycle the number
pChannel->wLocalChannelNumber = 0;
FreeChannel(pChannel);
UnlockConference(pConference);
}
else
{
if(pH245ConfIndData->u.Confirm.u.ConfClose.AccRej == H245_ACC)
{
if (FindChannelInConference(pH245ConfIndData->u.Confirm.u.ConfReqClose.Channel,
TRUE, // local channel number
TX_CHANNEL | PROXY_CHANNEL,
hCall,
&hChannel,
pConference) != CC_OK)
{
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (LockChannel(hChannel, &pChannel) != CC_OK)
{
UnlockConference(pConference);
return H245_ERROR_OK;
}
FreeChannel(pChannel);
UnlockConference(pConference);
}
else
{
// At the time the ASSERT(0) was added here, the path that leads here
// always set pH245ConfIndData->u.Confirm.u.ConfClose.AccRej = H245_ACC
// at the same point it set ConfInd.u.Confirm.Error = H245_ERROR_OK;
// if that is ever changed, this also needs to change.
// see ..\h245\src\api_up.c, function H245FsmConfirm(), case H245_CONF_CLOSE:
ASSERT(0);
}
}
return H245_ERROR_OK;
}
HRESULT _ConfRequestClose( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
CC_HCHANNEL hChannel;
PCHANNEL pChannel;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
PCALL pCall;
H245_ACC_REJ_T AccRej;
hCall = pH245ConfIndData->u.Confirm.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pCall->hConference;
UnlockCall(pCall);
if (pH245ConfIndData->u.Confirm.Error == H245_ERROR_OK)
AccRej = pH245ConfIndData->u.Confirm.u.ConfReqClose.AccRej;
else
AccRej = H245_REJ;
// Note: the only time we need to take any real action is when the channel
// is a proxy channel, and the local endpoint is not the one which requested
// the channel closure; in this case, we simply forward the closure response
// on to the endpoint which initiated the request.
// If the channel is an RX or TXRX channel, the channel object was deleted
// when our client requested the channel closure, so there's no real work to
// be done.
// If the channel is a proxy channel which our client requested be closed,
// the channel object will remain around until closed by the TX side, but we
// don't need (nor do we have a mechanism) to inform our client of receipt
// of this channel closure response.
if (FindChannelInConference(pH245ConfIndData->u.Confirm.u.ConfReqClose.Channel,
FALSE, // remote channel number
PROXY_CHANNEL,
hCall,
&hChannel,
pConference) != CC_OK) {
UnlockConference(pConference);
return H245_ERROR_OK;
}
// Set hCall to the peer which initiated the close channel request
hCall = pH245ConfIndData->u.Confirm.dwTransId;
if (hCall == CC_INVALID_HANDLE) {
// The local endpoint was the one who requested the channel closure,
// so there's no one to forwards this response onto. We don't provide
// a callback for informing our client of receipt of this response,
// so we can simply clean up and return
UnlockConference(pConference);
return H245_ERROR_OK;
}
if (LockChannel(hChannel, &pChannel) != CC_OK) {
UnlockConference(pConference);
return H245_ERROR_OK;
}
// Forward this response onto the endpoint which requested the channel closure
if (LockCall(hCall, &pCall) == CC_OK) {
H245CloseChannelReqResp(pCall->H245Instance,
AccRej,
pChannel->wLocalChannelNumber);
UnlockCall(pCall);
}
UnlockChannel(pChannel);
UnlockConference(pConference);
return H245_ERROR_OK;
}
#if 0
HRESULT _ConfShutdown( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
HRESULT status;
HQ931CALL hQ931Call;
H245_INST_T H245Instance;
#if 1
// Sync 2 - specific code
hCall = pH245ConfIndData->u.Confirm.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
hConference = pCall->hConference;
if (pConference->tsMultipointController == TS_TRUE) {
// XXX -- invoke user callback with "peer drop indication"
} else {
H245Instance = pCall->H245Instance;
hQ931Call = pCall->hQ931Call;
FreeCall(pCall);
if (H245Instance != H245_INVALID_ID)
status = H245ShutDown(H245Instance);
else
status = H245_ERROR_OK;
if (status == H245_ERROR_OK) {
status = Q931Hangup(hQ931Call, CC_REJECT_UNDEFINED_REASON);
// Q931Hangup may legitimately return CS_BAD_PARAM, because the Q.931 call object
// may have been deleted at this point
if (status == CS_BAD_PARAM)
status = CC_OK;
} else
Q931Hangup(hQ931Call, CC_REJECT_UNDEFINED_REASON);
InvokeUserConferenceCallback(pConference,
CC_CONFERENCE_TERMINATION_INDICATION,
status,
NULL);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
#else
// Probably sync 3 code
HHANGUP hHangup;
PHANGUP pHangup;
CC_HANGUP_CALLBACK_PARAMS HangupCallbackParams;
hHangup = pH245ConfIndData->u.Confirm.dwTransId;
if (hHangup == CC_INVALID_HANDLE)
return H245_ERROR_OK;
if (LockHangup(hHangup, &pHangup) != CC_OK)
return H245_ERROR_OK;
pHangup->wNumCalls--;
if (pHangup->wNumCalls == 0) {
hConference = pHangup->hConference;
if (LockConference(hConference, &pConference) != CC_OK) {
UnlockHangup(pHangup);
return H245_ERROR_OK;
}
HangupCallbackParams.dwUserToken = pHangup->dwUserToken;
InvokeUserConferenceCallback(pConference->ConferenceCallback,
CC_HANGUP_INDICATION,
CC_OK,
hConference,
pConference->dwConferenceToken,
&HangupCallbackParams);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
if (ValidateHangup(hHangup) == CC_OK)
FreeHangup(pHangup);
return H245_ERROR_OK;
} else
UnlockHangup(pHangup);
return H245_ERROR_OK;
#endif // Sync 3 code
}
#endif
HRESULT _ConfInitMstslv( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
PCONFERENCE pConference;
CC_CONNECT_CALLBACK_PARAMS ConnectCallbackParams;
CC_HCALL hEnqueuedCall;
PCALL pEnqueuedCall;
CC_HCONFERENCE hConference;
HRESULT status;
hCall = pH245ConfIndData->u.Confirm.dwPreserved;
if (LockCallAndConference(hCall, &pCall, &pConference) != CC_OK)
return H245_ERROR_OK;
ASSERT(pCall->MasterSlaveState != MASTER_SLAVE_COMPLETE);
switch (pH245ConfIndData->u.Confirm.u.ConfMstSlv) {
case H245_MASTER:
pConference->tsMaster = TS_TRUE;
if (pConference->tsMultipointController == TS_UNKNOWN) {
ASSERT(pConference->bMultipointCapable == TRUE);
pConference->tsMultipointController = TS_TRUE;
// place all calls enqueued on this conference object
for ( ; ; ) {
// Start up all enqueued calls, if any exist
status = RemoveEnqueuedCallFromConference(pConference, &hEnqueuedCall);
if ((status != CC_OK) || (hEnqueuedCall == CC_INVALID_HANDLE))
break;
status = LockCall(hEnqueuedCall, &pEnqueuedCall);
if (status == CC_OK) {
pEnqueuedCall->CallState = PLACED;
status = PlaceCall(pEnqueuedCall, pConference);
UnlockCall(pEnqueuedCall);
}
}
}
break;
case H245_SLAVE:
ASSERT(pConference->tsMaster != TS_TRUE);
ASSERT(pConference->tsMultipointController != TS_TRUE);
pConference->tsMaster = TS_FALSE;
pConference->tsMultipointController = TS_FALSE;
// XXX -- we may eventually want to re-enqueue these requests
// and set an expiration timer
hConference = pConference->hConference;
for ( ; ; ) {
status = RemoveEnqueuedCallFromConference(pConference, &hEnqueuedCall);
if ((status != CC_OK) || (hEnqueuedCall == CC_INVALID_HANDLE))
break;
status = LockCall(hEnqueuedCall, &pEnqueuedCall);
if (status == CC_OK) {
MarkCallForDeletion(pEnqueuedCall);
ConnectCallbackParams.pNonStandardData = pEnqueuedCall->pPeerNonStandardData;
ConnectCallbackParams.pszPeerDisplay = pEnqueuedCall->pszPeerDisplay;
ConnectCallbackParams.bRejectReason = CC_REJECT_UNDEFINED_REASON;
ConnectCallbackParams.pTermCapList = pEnqueuedCall->pPeerH245TermCapList;
ConnectCallbackParams.pH2250MuxCapability = pEnqueuedCall->pPeerH245H2250MuxCapability;
ConnectCallbackParams.pTermCapDescriptors = pEnqueuedCall->pPeerH245TermCapDescriptors;
ConnectCallbackParams.pLocalAddr = pEnqueuedCall->pQ931LocalConnectAddr;
if (pEnqueuedCall->pQ931DestinationAddr == NULL)
ConnectCallbackParams.pPeerAddr = pEnqueuedCall->pQ931PeerConnectAddr;
else
ConnectCallbackParams.pPeerAddr = pEnqueuedCall->pQ931DestinationAddr;
ConnectCallbackParams.pVendorInfo = pEnqueuedCall->pPeerVendorInfo;
ConnectCallbackParams.bMultipointConference = TRUE;
ConnectCallbackParams.pConferenceID = &pConference->ConferenceID;
ConnectCallbackParams.pMCAddress = pConference->pMultipointControllerAddr;
ConnectCallbackParams.pAlternateAddress = NULL;
ConnectCallbackParams.dwUserToken = pEnqueuedCall->dwUserToken;
InvokeUserConferenceCallback(pConference,
CC_CONNECT_INDICATION,
CC_NOT_MULTIPOINT_CAPABLE,
&ConnectCallbackParams);
if (ValidateCallMarkedForDeletion(hEnqueuedCall) == CC_OK)
FreeCall(pEnqueuedCall);
if (ValidateConference(hConference) != CC_OK) {
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
return H245_ERROR_OK;
}
}
}
break;
default: // H245_INDETERMINATE
UnlockConference(pConference);
if (++pCall->wMasterSlaveRetry < MASTER_SLAVE_RETRY_MAX) {
H245InitMasterSlave(pCall->H245Instance, pCall->H245Instance);
UnlockCall(pCall);
} else {
UnlockCall(pCall);
ProcessRemoteHangup(hCall, CC_INVALID_HANDLE, CC_REJECT_UNDEFINED_REASON);
}
return H245_ERROR_OK;
} // switch
pCall->MasterSlaveState = MASTER_SLAVE_COMPLETE;
if ((pCall->OutgoingTermCapState == TERMCAP_COMPLETE) &&
(pCall->IncomingTermCapState == TERMCAP_COMPLETE) &&
(pCall->CallState == TERMCAP) &&
(pCall->MasterSlaveState == MASTER_SLAVE_COMPLETE)) {
// Note that _ProcessConnectionComplete() returns with pConference and pCall unlocked
_ProcessConnectionComplete(pConference, pCall);
return H245_ERROR_OK;
}
UnlockCall(pCall);
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _ConfSendTermCap( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
HRESULT status;
PCONFERENCE pConference;
// A TerminalCapabilitySet message was successfully sent from this endpoint
hCall = pH245ConfIndData->u.Confirm.dwPreserved;
status = LockCallAndConference(hCall, &pCall, &pConference);
if (status != CC_OK) {
// This may be OK, if the call was cancelled while
// call setup was in progress.
return H245_ERROR_OK;
}
if (pH245ConfIndData->u.Confirm.Error == H245_ERROR_OK &&
pH245ConfIndData->u.Confirm.u.ConfSndTcap.AccRej == H245_ACC) {
pCall->OutgoingTermCapState = TERMCAP_COMPLETE;
if ((pCall->IncomingTermCapState == TERMCAP_COMPLETE) &&
(pCall->CallState == TERMCAP) &&
(pCall->MasterSlaveState == MASTER_SLAVE_COMPLETE)) {
// Note that _ProcessConnectionComplete() returns with pConference and pCall unlocked
_ProcessConnectionComplete(pConference, pCall);
return H245_ERROR_OK;
}
} else if (pCall->CallState == TERMCAP) {
// Report error to Call Control client
UnlockConference(pConference);
UnlockCall(pCall);
ProcessRemoteHangup(hCall, CC_INVALID_HANDLE, CC_REJECT_UNDEFINED_REASON);
return H245_ERROR_OK;
}
UnlockConference(pConference);
UnlockCall(pCall);
return H245_ERROR_OK;
}
HRESULT _ConfRequestMode( H245_CONF_IND_T *pH245ConfIndData)
{
HRESULT status;
CC_HCALL hCall;
PCALL pCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
CC_REQUEST_MODE_RESPONSE_CALLBACK_PARAMS RequestModeResponseCallbackParams;
hCall = pH245ConfIndData->u.Confirm.dwPreserved;
status = LockCallAndConference(hCall, &pCall, &pConference);
if (status != CC_OK) {
// This may be OK, if the call was cancelled while
// call setup was in progress.
return H245_ERROR_OK;
}
hConference = pConference->hConference;
RequestModeResponseCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
RequestModeResponseCallbackParams.TerminalLabel.bMCUNumber = 255;
RequestModeResponseCallbackParams.TerminalLabel.bTerminalNumber = 255;
} else
RequestModeResponseCallbackParams.TerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
switch (pH245ConfIndData->u.Confirm.u.ConfMrse) {
case wllTrnsmtMstPrfrrdMd_chosen:
RequestModeResponseCallbackParams.RequestModeResponse = CC_WILL_TRANSMIT_PREFERRED_MODE;
break;
case wllTrnsmtLssPrfrrdMd_chosen:
RequestModeResponseCallbackParams.RequestModeResponse = CC_WILL_TRANSMIT_LESS_PREFERRED_MODE;
break;
default:
RequestModeResponseCallbackParams.RequestModeResponse = CC_REQUEST_DENIED;
break;
}
InvokeUserConferenceCallback(pConference,
CC_REQUEST_MODE_RESPONSE_INDICATION,
pH245ConfIndData->u.Confirm.Error,
&RequestModeResponseCallbackParams);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _ConfRequestModeReject( H245_CONF_IND_T *pH245ConfIndData)
{
HRESULT status;
CC_HCALL hCall;
PCALL pCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
CC_REQUEST_MODE_RESPONSE_CALLBACK_PARAMS RequestModeResponseCallbackParams;
hCall = pH245ConfIndData->u.Confirm.dwPreserved;
status = LockCallAndConference(hCall, &pCall, &pConference);
if (status != CC_OK) {
// This may be OK, if the call was cancelled while
// call setup was in progress.
return H245_ERROR_OK;
}
hConference = pConference->hConference;
RequestModeResponseCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
RequestModeResponseCallbackParams.TerminalLabel.bMCUNumber = 255;
RequestModeResponseCallbackParams.TerminalLabel.bTerminalNumber = 255;
} else
RequestModeResponseCallbackParams.TerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
switch (pH245ConfIndData->u.Confirm.u.ConfMrseReject) {
case H245_REJ_UNAVAILABLE:
RequestModeResponseCallbackParams.RequestModeResponse = CC_MODE_UNAVAILABLE;
break;
case H245_REJ_MULTIPOINT:
RequestModeResponseCallbackParams.RequestModeResponse = CC_MULTIPOINT_CONSTRAINT;
break;
case H245_REJ_DENIED:
RequestModeResponseCallbackParams.RequestModeResponse = CC_REQUEST_DENIED;
break;
default:
RequestModeResponseCallbackParams.RequestModeResponse = CC_REQUEST_DENIED;
break;
}
InvokeUserConferenceCallback(pConference,
CC_REQUEST_MODE_RESPONSE_INDICATION,
pH245ConfIndData->u.Confirm.Error,
&RequestModeResponseCallbackParams);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _ConfRequestModeExpired( H245_CONF_IND_T *pH245ConfIndData)
{
HRESULT status;
CC_HCALL hCall;
PCALL pCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
CC_REQUEST_MODE_RESPONSE_CALLBACK_PARAMS RequestModeResponseCallbackParams;
hCall = pH245ConfIndData->u.Confirm.dwPreserved;
status = LockCallAndConference(hCall, &pCall, &pConference);
if (status != CC_OK) {
// This may be OK, if the call was cancelled while
// call setup was in progress.
return H245_ERROR_OK;
}
hConference = pConference->hConference;
RequestModeResponseCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
RequestModeResponseCallbackParams.TerminalLabel.bMCUNumber = 255;
RequestModeResponseCallbackParams.TerminalLabel.bTerminalNumber = 255;
} else
RequestModeResponseCallbackParams.TerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
RequestModeResponseCallbackParams.RequestModeResponse = CC_REQUEST_DENIED;
InvokeUserConferenceCallback(pConference,
CC_REQUEST_MODE_RESPONSE_INDICATION,
pH245ConfIndData->u.Confirm.Error,
&RequestModeResponseCallbackParams);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _ConfRoundTrip( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
HRESULT status;
CC_PING_RESPONSE_CALLBACK_PARAMS PingCallbackParams;
hCall = pH245ConfIndData->u.Confirm.dwPreserved;
status = LockCallAndConference(hCall, &pCall, &pConference);
if (status != CC_OK) {
// This may be OK, if the call was cancelled while
// call setup was in progress.
return H245_ERROR_OK;
}
hConference = pConference->hConference;
PingCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
PingCallbackParams.TerminalLabel.bMCUNumber = 255;
PingCallbackParams.TerminalLabel.bTerminalNumber = 255;
} else
PingCallbackParams.TerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
PingCallbackParams.bResponse = TRUE;
InvokeUserConferenceCallback(pConference,
CC_PING_RESPONSE_INDICATION,
pH245ConfIndData->u.Confirm.Error,
&PingCallbackParams);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT _ConfRoundTripExpired( H245_CONF_IND_T *pH245ConfIndData)
{
CC_HCALL hCall;
PCALL pCall;
CC_HCONFERENCE hConference;
PCONFERENCE pConference;
HRESULT status;
CC_PING_RESPONSE_CALLBACK_PARAMS PingCallbackParams;
hCall = pH245ConfIndData->u.Confirm.dwPreserved;
status = LockCallAndConference(hCall, &pCall, &pConference);
if (status != CC_OK) {
// This may be OK, if the call was cancelled while
// call setup was in progress.
return H245_ERROR_OK;
}
hConference = pConference->hConference;
PingCallbackParams.hCall = hCall;
if (pCall->pPeerParticipantInfo == NULL) {
PingCallbackParams.TerminalLabel.bMCUNumber = 255;
PingCallbackParams.TerminalLabel.bTerminalNumber = 255;
} else
PingCallbackParams.TerminalLabel =
pCall->pPeerParticipantInfo->ParticipantInfo.TerminalLabel;
PingCallbackParams.bResponse = FALSE;
InvokeUserConferenceCallback(pConference,
CC_PING_RESPONSE_INDICATION,
pH245ConfIndData->u.Confirm.Error,
&PingCallbackParams);
if (ValidateCall(hCall) == CC_OK)
UnlockCall(pCall);
if (ValidateConference(hConference) == CC_OK)
UnlockConference(pConference);
return H245_ERROR_OK;
}
HRESULT H245Callback( H245_CONF_IND_T *pH245ConfIndData,
void *pMisc)
{
HRESULT status = H245_ERROR_OK;
EnterCallControl();
if (CallControlState != OPERATIONAL_STATE)
HResultLeaveCallControl(H245_ERROR_OK);
if (pH245ConfIndData == NULL)
HResultLeaveCallControl(H245_ERROR_OK);
if (pH245ConfIndData->Kind == H245_CONF) {
switch (pH245ConfIndData->u.Confirm.Confirm) {
case H245_CONF_INIT_MSTSLV:
status = _ConfInitMstslv(pH245ConfIndData);
break;
case H245_CONF_SEND_TERMCAP:
status = _ConfSendTermCap(pH245ConfIndData);
break;
case H245_CONF_OPEN:
status = _ConfOpen(pH245ConfIndData);
break;
case H245_CONF_NEEDRSP_OPEN:
status = _ConfBiDirectionalOpen(pH245ConfIndData);
break;
case H245_CONF_CLOSE:
status = _ConfClose(pH245ConfIndData);
break;
case H245_CONF_REQ_CLOSE:
status = _ConfRequestClose(pH245ConfIndData);
break;
// case H245_CONF_MUXTBL_SND: not valid for H.323 MuliplexEntrySend
// case H245_CONF_RMESE: not valid for H.323 RequestMultiplexEntry
// case H245_CONF_RMESE_REJECT: not valid for H.323 RequestMultiplexEntryReject
// case H245_CONF_RMESE_EXPIRED: not valid for H.323
case H245_CONF_MRSE:
status = _ConfRequestMode(pH245ConfIndData);
break;
case H245_CONF_MRSE_REJECT:
status = _ConfRequestModeReject(pH245ConfIndData);
break;
case H245_CONF_MRSE_EXPIRED:
status = _ConfRequestModeExpired(pH245ConfIndData);
break;
case H245_CONF_RTDSE:
status = _ConfRoundTrip(pH245ConfIndData);
break;
case H245_CONF_RTDSE_EXPIRED:
status = _ConfRoundTripExpired(pH245ConfIndData);
break;
default:
status = _ConfUnimplemented(pH245ConfIndData);
break;
}
} else if (pH245ConfIndData->Kind == H245_IND) {
switch (pH245ConfIndData->u.Indication.Indicator) {
case H245_IND_MSTSLV:
status = _IndMstslv(pH245ConfIndData);
break;
case H245_IND_CAP:
status = _IndCapability(pH245ConfIndData);
break;
case H245_IND_CESE_RELEASE:
// Remote has abandoned TerminalCapabilitySet
// No longer need to send TerminalCapabilitySetAck
// We can probably get away with ignoring this,
// but we should NOT return FunctionNotSupported!
break;
case H245_IND_OPEN:
status = _IndOpen(pH245ConfIndData);
break;
case H245_IND_OPEN_CONF:
// Bi-directionl channel open complete
status = _IndOpenConf(pH245ConfIndData);
break;
case H245_IND_CLOSE:
status = _IndClose(pH245ConfIndData);
break;
case H245_IND_REQ_CLOSE:
status = _IndRequestClose(pH245ConfIndData);
break;
case H245_IND_CLCSE_RELEASE:
// Remote has abandoned RequestChannelClose
// No longer need to send RequestChannelCloseAck and CloseLogicalChannel
// We can probably get away with ignoring this,
// but we should NOT return FunctionNotSupported!
break;
// case H245_IND_MUX_TBL: not valid in H.323 MuliplexEntrySend
// case H245_IND_MTSE_RELEASE not valid in H.323 MuliplexEntrySendRelease
// case H245_IND_RMESE not valid in H.323 RequestMuliplexEntry
// case H245_IND_RMESE_RELEASE not valid in H.323 RequestMuliplexEntryRelease
case H245_IND_MRSE:
status = _IndModeRequest(pH245ConfIndData);
break;
case H245_IND_MRSE_RELEASE:
// Remote has abandoned RequestMode
// No longer need to send RequestModeAck or RequestModeReject
// We can probably get away with ignoring this,
// but we should NOT return FunctionNotSupported!
break;
// case H245_IND_MLSE: We don't support looping back data
case H245_IND_MLSE_RELEASE:
// Required to accept this message
break;
case H245_IND_NONSTANDARD_REQUEST:
case H245_IND_NONSTANDARD_RESPONSE:
case H245_IND_NONSTANDARD_COMMAND:
case H245_IND_NONSTANDARD:
status = _IndNonStandard(pH245ConfIndData);
break;
case H245_IND_MISC_COMMAND:
status = _IndMiscellaneousCommand(pH245ConfIndData, pMisc);
break;
case H245_IND_MISC:
status = _IndMiscellaneous(pH245ConfIndData, pMisc);
break;
case H245_IND_COMM_MODE_REQUEST:
status = _IndUnimplemented(pH245ConfIndData); // TBD
break;
// case H245_IND_COMM_MODE_RESPONSE: We never send request!
case H245_IND_COMM_MODE_COMMAND:
status = _IndCommunicationModeCommand(pH245ConfIndData);
break;
case H245_IND_CONFERENCE_REQUEST:
status = _IndConferenceRequest(pH245ConfIndData);
break;
case H245_IND_CONFERENCE_RESPONSE:
status = _IndConferenceResponse(pH245ConfIndData);
break;
case H245_IND_CONFERENCE_COMMAND:
status = _IndConferenceCommand(pH245ConfIndData);
break;
case H245_IND_CONFERENCE:
status = _IndConference(pH245ConfIndData);
break;
case H245_IND_SEND_TERMCAP:
status = _IndSendTerminalCapabilitySet(pH245ConfIndData);
break;
// case H245_IND_ENCRYPTION: Not valid in H.323
case H245_IND_FLOW_CONTROL:
status = _IndFlowControl(pH245ConfIndData);
break;
case H245_IND_ENDSESSION:
status = _IndEndSession(pH245ConfIndData);
break;
case H245_IND_FUNCTION_NOT_UNDERSTOOD:
// We don't do anything with this but we still want to
// return H245_ERROR_OK so H.245 does not sent
// FunctionNotSupported back to remote peer!
break;
case H245_IND_JITTER:
// It is ok to ignore this; no response is expected
break;
// case H245_IND_H223_SKEW: Not valid in H.323
// case H245_IND_NEW_ATM_VC: Not valid in H.323
case H245_IND_USERINPUT:
status = _IndUserInput(pH245ConfIndData);
break;
case H245_IND_H2250_MAX_SKEW:
status = _IndH2250MaximumSkew(pH245ConfIndData);
break;
case H245_IND_MC_LOCATION:
status = _IndMCLocation(pH245ConfIndData);
break;
case H245_IND_VENDOR_ID:
status = _IndVendorIdentification(pH245ConfIndData, pMisc);
break;
case H245_IND_FUNCTION_NOT_SUPPORTED:
// We don't do anything with this but we still want to
// return H245_ERROR_OK so H.245 does not sent
// FunctionNotSupported back to remote peer!
break;
// case H245_IND_H223_RECONFIG: Not valid in H.323
// case H245_IND_H223_RECONFIG_ACK: Not valid in H.323
// case H245_IND_H223_RECONFIG_REJECT: Not valid in H.323
default:
status = _IndUnimplemented(pH245ConfIndData);
break;
}
}
HResultLeaveCallControl(status);
}