windows-nt/Source/XPSP1/NT/enduser/netmeeting/ui/msconfft/mbft.hpp
2020-09-26 16:20:57 +08:00

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#ifndef __MBFT_HPP__
#define __MBFT_HPP__
#include "osshelp.hpp"
#include "messages.hpp"
#include <it120app.h>
// LONCHANC: temporarily enable conductorship
// #define ENABLE_CONDUCTORSHIP 1
//Intel specific non-collapsing capabilities values....
enum NonCollapsCaps
{
_iMBFT_FIRST_PROSHARE_CAPABILITY_ID = 0x100,
_iMBFT_PROSHARE_VERSION_ID____NOT_USED,
_iMBFT_PROSHARE_FILE_EOF_ACK_ID,
_iMBFT_LAST_NON_COLLAPSING_CAPABILITIES
};
//Intel specific collapsing capabilities values....
//Note: The size of _iMBFT_MAX_FILEDATA_PDU_LENGTH actually controls the maximum number
//of bytes in the file start and data PDUs. If this is increased, the corresponding constant
//in MCSHELP.HPP (_MAX_MCS_MESSAGE_SIZE) must also be increased...
const USHORT _iMBFT_MAX_FILEDATA_PDU_LENGTH = 25000;
const USHORT _iMBFT_DEFAULT_MAX_FILEDATA_PDU_LENGTH = 8192;
const ULONG _iMBFT_MAX_FILE_SIZE = 0xFFFFFFFFUL;
const USHORT _iMBFT_V42_NO_OF_CODEWORDS = 512;
const USHORT _iMBFT_V42_MAX_STRING_LENGTH = 6;
const USHORT _iMBFT_V42_COMPRESSION_SUPPORTED = TRUE;
const USHORT _iMBFT_MAX_COLLAPSING_CAPABILITIES = 3;
#define _iMBFT_MAX_NON_COLLAPSING_CAPABILITIES _iMBFT_LAST_NON_COLLAPSING_CAPABILITIES - _iMBFT_FIRST_PROSHARE_CAPABILITY_ID
//Added by Atul -- another magic number that we subtract from MCSMaxDomainPDU size
//presumably to allow for the overhead added by the lower layers...
const USHORT _iMBFT_FILEDATA_PDU_SUBTRACT = 64;
//In our implementation we get the max pdu by a proprietary MCS api called
//GetDomainParameters. No such liberties with MSFT stuff!!
const unsigned int _iMBFT_DEFAULT_MAX_MCS_SIZE = MAX_MCS_DATA_SIZE;
//Standard MBFT identifiers and channel IDs
const USHORT _MBFT_MAX_FILE_SIZE_ID = 1;
const USHORT _MBFT_MAX_DATA_PAYLOAD_ID = 2;
const USHORT _MBFT_V42_COMPRESSION_ID = 3;
const USHORT _MBFT_V42_NO_OF_CODEWORDS_ID = 4;
const USHORT _MBFT_V42_MAX_STRING_LENGTH_ID = 5;
MBFTEVENTHANDLE GetNewEventHandle(void);
MBFTFILEHANDLE GetNewFileHandle(void);
enum MBFTState
{
IdleNotInitialized,
IdleInitialized
};
class MBFTInterface;
class MBFTMsg;
class MBFTPDUMsg;
class CAppletWindow;
class MBFTSession;
class CSessionList : public CList
{
DEFINE_CLIST(CSessionList, MBFTSession *)
void Delete(MBFTSession *);
};
class CPeerData;
class CPeerList : public CList
{
DEFINE_CLIST(CPeerList, CPeerData *)
CPeerData *Find(T120UserID uidPeer);
BOOL IsValidPeerID(T120UserID uidPeer) { return (NULL != Find(uidPeer)); }
CPeerData * CPeerList::FindSamePeer(CPeerData *pPeer);
void CPeerList::Delete(CPeerData *p);
void DeleteAll(void);
};
//
// MBFT engine, one per conference
//
class MBFTEngine : public CRefCount
{
public:
MBFTEngine(MBFTInterface *, MBFT_MODE, T120SessionID);
~MBFTEngine(void);
private:
IT120AppletSession *m_pAppletSession;
T120Error m_eLastSendDataError;
MBFTInterface *m_pMBFTIntf;
T120ConfID m_nConfID;
MBFT_MODE m_eMBFTMode;
T120SessionID m_SessionID;
T120UserID m_uidMyself;
T120NodeID m_nidMyself;
T120EntityID m_eidMyself;
T120ChannelID m_MBFTControlChannel;
T120ChannelID m_MBFTDataChannel;
T120ChannelID m_aStaticChannels[2];
#ifdef USE_MULTICAST_SESSION
T120ResourceRequest m_aJoinResourceReqs[1];
#endif
T120JoinSessionRequest m_JoinSessionReq;
BOOL m_fConfAvailable;
BOOL m_fJoinedConf;
MBFTState m_State;
// LONCHANC: NetMeeting's Node Controller does not exercise conductorship.
#ifdef ENABLE_CONDUCTORSHIP
BOOL m_bInConductedMode;
T120NodeID m_ConductorNodeID;
T120UserID m_MBFTConductorID;
ULONG m_ConductedModePermission;
BOOL m_bWaitingForPermission;
#endif // ENABLE_CONDUCTORSHIP
CSessionList m_SessionList;
CPeerList m_PeerList;
ULONG m_nRosterInstance;
ULONG m_MBFTMaxFileSize;
ULONG m_MBFTMaxDataPayload;
ULONG m_MBFTMaxSendDataPayload;
BOOL m_bV42CompressionSupported;
USHORT m_v42bisP1;
USHORT m_v42bisP2;
MBFTEVENTHANDLE m_lEventHandle;
CAppletWindow *m_pWindow;
#ifdef ENABLE_HEARTBEAT_TIMER
UINT_PTR m_nTimerID;
#endif
public:
//
// Handy inline methods
//
T120Error GetLastSendDataError(void) { return m_eLastSendDataError; }
CPeerList *GetPeerList(void) { return &m_PeerList; }
ULONG GetPeerCount(void) { return m_PeerList.GetCount(); }
T120ConfID GetConfID(void) { return m_nConfID; }
T120UserID GetUserID(void) { return m_uidMyself; }
T120NodeID GetNodeID(void) { return m_nidMyself; }
T120SessionID GetSessionID(void) { return m_SessionID; }
T120ChannelID GetDefaultControlChannel(void) { return m_MBFTControlChannel; }
T120ChannelID GetDefaultDataChannel(void) { return m_MBFTDataChannel; }
BOOL Has2xNodeInConf(void);
BOOL HasSDK(void);
void SetConferenceAvailable(BOOL fConfAvailable) { m_fConfAvailable = fConfAvailable; }
BOOL IsValidPeerID(T120UserID uidPeer) { return m_PeerList.IsValidPeerID(uidPeer); }
ULONG GetRosterInstance(void) { return m_nRosterInstance; }
HRESULT SafePostMessage(MBFTMsg *p);
HRESULT SafePostNotifyMessage(MBFTMsg *p);
void ClearInterfacePointer(void) { m_pMBFTIntf = NULL; }
MBFTInterface *GetInterfacePointer(void) { return m_pMBFTIntf; }
void SetInterfacePointer(MBFTInterface *pIntf);
#ifdef ENABLE_HEARTBEAT_TIMER
UINT_PTR GetTimerID(void) { return m_nTimerID; }
#endif
void SetWindow(CAppletWindow *pWindow) { m_pWindow = pWindow; }
//
// Conducted-mode methods
//
// LONCHANC: NetMeeting's Node Controller does not exercise conductorship.
#ifdef ENABLE_CONDUCTORSHIP
void OnConductAssignIndication(GCCConductorAssignInd *);
void OnConductReleaseIndication(GCCConferenceID);
void OnConductGrantIndication(GCCConductorPermitGrantInd *);
void AbortAllSends(void);
void ApplyForPermission(void);
BOOL ConductedModeOK(void);
#else
BOOL ConductedModeOK(void) { return TRUE; }
#endif // ENABLE_CONDUCTORSHIP
//
// Notification for file transfer protocol
//
BOOL OnReceivedPrivateChannelInvitePDU(T120ChannelID, T120Priority, T120UserID,
LPPRIVATECHANNELINVITEPDU lpNewPDU,
BOOL IsUniformSendData);
BOOL OnReceivedFileRequestPDU(T120ChannelID, T120Priority, T120UserID,
LPFILEREQUESTPDU lpNewPDU,
BOOL IsUniformSendData);
BOOL OnReceivedDirectoryRequestPDU(T120ChannelID, T120Priority, T120UserID,
LPDIRECTORYREQUESTPDU lpNewPDU,
BOOL IsUniformSendData);
BOOL OnReceivedPrivilegeAssignPDU(T120ChannelID, T120Priority, T120UserID,
LPPRIVILEGEASSIGNPDU lpNewPDU,
BOOL IsUniformSendData);
//
// Common public methods
//
BOOL HandleSessionCreation(MBFTMsg *pMsg);
BOOL DispatchPDUMessage(MBFTSession *, MBFTPDUMsg *);
BOOL ProcessMessage(MBFTMsg *pMsg);
BOOL DoStateMachine(MBFTMsg *pMsg);
void AddAllPeers(void);
BOOL NoUIMode(void) { return (m_pWindow == NULL); }
private:
void AddPeerNotification(T120NodeID, T120UserID, BOOL IsLocalNode, BOOL IsProshareNode, BOOL bPeerAdded, LPCSTR lpszAppKey, T120SessionID);
BOOL SimpleChannelRequest(AppletChannelCommand, T120ChannelID);
T120NodeID GetNodeIdByUserID(T120UserID UserID);
public:
//
// T120 service request
//
BOOL MCSChannelJoinRequest(T120ChannelID nChannelID) { return SimpleChannelRequest(APPLET_JOIN_CHANNEL, nChannelID); }
BOOL MCSChannelLeaveRequest(T120ChannelID nChannelID) { return SimpleChannelRequest(APPLET_LEAVE_CHANNEL, nChannelID); }
BOOL MCSChannelConveneRequest(void) { return SimpleChannelRequest(APPLET_CONVENE_CHANNEL, 0); }
BOOL MCSChannelDisbandRequest(T120ChannelID nChannelID) { return SimpleChannelRequest(APPLET_DISBAND_CHANNEL, nChannelID); }
BOOL MCSChannelAdmitRequest(T120ChannelID, T120UserID *, ULONG cUsers);
BOOL SendDataRequest(T120ChannelID, T120Priority, LPBYTE lpBuffer, ULONG ulSize);
//
// Notification for T.120 applet
//
void OnPermitToEnrollIndication(GCCAppPermissionToEnrollInd *);
void OnJoinSessionConfirm(T120JoinSessionConfirm *);
void OnDetachUserIndication(T120UserID, T120Reason);
void OnRosterReportIndication(ULONG cRosters, GCCAppRoster **);
void OnChannelAdmitIndication(T120ChannelID, T120UserID uidManager);
void OnSendDataIndication(
BOOL fUniformSend,
T120UserID nSenderID,
T120ChannelID nChannelID,
T120Priority ePriority,
ULONG cbBufSize,
LPBYTE pBufData);
};
typedef MBFTEngine * LPMBFTENGINE;
//
// Peer data
//
class CPeerData
{
private:
T120UserID m_NodeID;
T120UserID m_MBFTUserID;
BOOL m_bIsLocalNode;
BOOL m_bIsProshareNode;
BOOL m_bCanConduct;
BOOL m_bEOFAcknowledgment;
char m_szAppKey[MAX_APP_KEY_SIZE];
DWORD m_dwVersion;
public:
CPeerData(UserID NodeID,UserID MBFTUserID,BOOL IsLocalNode,
BOOL IsProshareNode,BOOL bCanConduct,BOOL m_bEOFAcknowledgment,
LPCSTR lpszAppKey, DWORD dwVersion);
~CPeerData(void) {}
T120UserID GetUserID(void) { return m_MBFTUserID; }
T120NodeID GetNodeID(void) { return m_NodeID; }
BOOL GetIsLocalNode(void) { return m_bIsLocalNode; }
BOOL GetIsProshareNode(void) { return m_bIsProshareNode; }
BOOL GetCanConduct(void) { return m_bCanConduct; }
BOOL GetEOFAcknowledge(void) { return m_bEOFAcknowledgment; }
LPCSTR GetAppKey(void) { return m_szAppKey; }
DWORD GetVersion(void) { return m_dwVersion; }
};
typedef CPeerData * LPPEERDATA;
//
// MBFT sub session, the interface class of
// MBFTPrivateSend
// MBFTPrivateReceive
// MBFTBroadcastReceive
//
class MBFTSession
{
public:
MBFTSession::MBFTSession(MBFTEngine *pEngine, MBFTEVENTHANDLE nEventHandle, MBFT_SESSION_TYPE eType)
:
m_lpParentEngine(pEngine),
m_EventHandle(nEventHandle),
m_MBFTSessionType(eType)
{
}
virtual ~MBFTSession(void) = 0;
MBFTEVENTHANDLE GetEventHandle(void) { return m_EventHandle; }
MBFT_SESSION_TYPE GetSessionType(void) { return m_MBFTSessionType; }
BOOL IsSendSession(void) { return (MBFT_PRIVATE_SEND_TYPE == m_MBFTSessionType); }
BOOL IsReceiveSession(void)
{
return (MBFT_PRIVATE_SEND_TYPE != m_MBFTSessionType);
}
//
// T120 callback
//
virtual BOOL OnMCSChannelJoinConfirm(T120ChannelID, BOOL bSuccess) = 0;
//
// File transfer protocal callback
//
virtual BOOL OnReceivedFileErrorPDU(T120ChannelID, T120Priority, T120UserID,
LPFILEERRORPDU lpNewPDU,
BOOL IsUniformSendData) = 0;
virtual void OnPeerDeletedNotification(CPeerData * lpPeerData) = 0;
virtual void OnControlNotification(MBFTFILEHANDLE,
FileTransferControlMsg::FileTransferControl iControlCommand,
LPCSTR lpszDirectory,
LPCSTR lpszFileName) = 0;
virtual void DoStateMachine(void) = 0;
virtual void UnInitialize(BOOL bIsShutDown) = 0;
protected:
LPMBFTENGINE m_lpParentEngine;
MBFTEVENTHANDLE m_EventHandle;
MBFT_SESSION_TYPE m_MBFTSessionType;
};
typedef class MBFTSession * LPMBFTSESSION;
#endif //__MBFT_HPP__