223 lines
7 KiB
C++
223 lines
7 KiB
C++
// File: ichnldat.h
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//
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#ifndef _ICHNLDAT_H_
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#define _ICHNLDAT_H_
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typedef enum _scState { /* State of data channel */
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SCS_UNINITIALIZED = 0, // Nothing is valid
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SCS_CREATESAP, // Creating m_gcc_pIAppSap
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SCS_ATTACH, // Attaching
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SCS_ENROLL, // Enrolling in a conference
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SCS_JOIN_PRIVATE, // Join the private channel
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SCS_REGRETRIEVE, // Checking the registry
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SCS_REGRETRIEVE_NEW, // new channel must be created
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SCS_REGRETRIEVE_EXISTS, // channel already exists
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SCS_JOIN_NEW, // Creating a new MCS channel
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SCS_REGCHANNEL, // Registering the MCS channel
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SCS_JOIN_OLD, // Joining an existing channel
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SCS_REGPRIVATE, // Register the private channel
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SCS_CONNECTED, // m_mcs_channel_id is valid
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SCS_TERMINATING, // shutting down
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SCS_JOIN_STATIC_CHANNEL // Join a static channel
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} SCSTATE;
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// An application key consists of an MS Object ID + guid identifier + guid + node id
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#define cbKeyApp (4 + 1 + sizeof(GUID) + sizeof(DWORD))
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#define MAX_CHECKID_COUNT 80 // Maximum number of times to ask for channel Id
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typedef struct _tagUcid {
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DWORD dwUserId; // Node ID
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ChannelID channelId; // Private channel ID
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UserID sender_id_public;
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UserID sender_id_private;
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} UCID;
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// CNmMemberId
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class CNmMemberId
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{
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private:
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UINT m_cCheckId; // non-zero means checking the ID
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ChannelID m_channelId; // Private channel ID
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UserID m_sender_id_public;
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UserID m_sender_id_private;
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CNmMember *m_pMember;
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public:
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CNmMemberId(CNmMember *pMember, UCID *pucid);
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ChannelID GetChannelId(void) {return m_channelId;}
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ChannelID SenderId(void) {return m_sender_id_public;}
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VOID UpdateRosterInfo(UCID * pucid);
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BOOL FSenderId(UserID id) {return ((id == m_sender_id_public) || (id == m_sender_id_private));}
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UINT GetCheckIdCount(void) {return m_cCheckId;}
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VOID SetCheckIdCount(UINT c) {m_cCheckId = c;}
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CNmMember *GetMember(void) {return m_pMember;}
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};
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// INmChannelData
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//
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class CNmChannelData : public INmChannelData,
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public RefCount,
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public CConnectionPointContainer
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{
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private:
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GUID m_guid; // SetGuid/GetGuid
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BOOL m_fClosed; // TRUE when CloseConnection is called
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BOOL m_fActive; // TRUE when data channel is active
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DWORD m_dwUserIdLocal; // Data channel needs to know local user id
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CConfObject * m_pConference; // Helpful to get member list
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ULONG m_cMember; // Number of members in this channel
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COBLIST * m_pListMemberId; // Member id list
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COBLIST * m_pListMember; // Member list
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PGCCEnrollRequest m_pGCCER; // Enroll request from enrolling app
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public:
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CNmChannelData(CConfObject * pConference, REFGUID rguid);
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~CNmChannelData();
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// Internal functions
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GUID * PGuid(void) {return &m_guid;}
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VOID UpdatePeer(CNmMember * pMember, UCID *pucid, BOOL fAdd);
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VOID UpdateRoster(UCID * rgPeer, int cPeer, BOOL fAdd, BOOL fRemove);
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VOID UpdateMemberChannelId(DWORD dwUserId, ChannelID channelId);
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HRESULT OpenConnection(void);
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HRESULT CloseConnection(void);
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ULONG IsEmpty() {return 0 == m_cMember;}
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COBLIST * GetMemberList() {return m_pListMember;}
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VOID AddMember(CNmMember * pMember);
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VOID RemoveMember(CNmMember * pMember);
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CNmMemberId *GetMemberId(CNmMember *pMember);
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CNmMemberId *GetMemberId(DWORD dwUserId);
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VOID UpdateRosterInfo(CNmMember *pMember, UCID * pucid);
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ChannelID GetChannelId(CNmMember *pMember);
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CNmMember *PMemberFromSenderId(UserID id);
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CConfObject * PConference() {return m_pConference;}
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DWORD GetLocalId() {return m_dwUserIdLocal;}
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// INmChannelData methods
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STDMETHODIMP IsActive(void);
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STDMETHODIMP SetActive(BOOL fActive);
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STDMETHODIMP GetConference(INmConference **ppConference);
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STDMETHODIMP EnumMember(IEnumNmMember **ppEnum);
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STDMETHODIMP GetMemberCount(ULONG * puCount); STDMETHODIMP GetGuid(GUID *pguid);
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STDMETHODIMP SendData(INmMember *pMember, ULONG uSize, LPBYTE pb, ULONG uOptions);
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STDMETHODIMP RegistryAllocateHandle(ULONG numberOfHandlesRequested);
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// IUnknown methods
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ULONG STDMETHODCALLTYPE AddRef(void);
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ULONG STDMETHODCALLTYPE Release(void);
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STDMETHODIMP QueryInterface(REFIID riid, PVOID *ppvObj);
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/////////////////////////////////////////////////////////////
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// class CT120Channel
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private:
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DWORD DoJoin(SCSTATE scs);
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DWORD DoJoinStatic(ChannelID staticChannel);
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DWORD DoCreateSap(void);
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DWORD DoEnroll(void);
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DWORD DoJoinPrivate(void);
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DWORD DoAttach(void);
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DWORD DoRegRetrieve(void);
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DWORD DoRegChannel(void);
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DWORD DoJoinNew(void);
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DWORD DoJoinOld(void);
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DWORD DoRegPrivate(void);
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VOID OnEntryConfirmRemote(GCCAppSapMsg * pMsg);
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VOID OnEntryConfirmLocal(GCCAppSapMsg * pMsg);
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public:
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// Methods:
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VOID InitCT120Channel(DWORD dwUserId);
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GUID * m_pGuid;
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CNmChannelData * m_pChannel;
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DWORD m_dwUserId;
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BYTE m_keyApp[cbKeyApp];
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BYTE m_keyChannel[cbKeyApp];
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SCSTATE m_scs; // Current state
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GCCConferenceID m_gcc_conference_id;
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IGCCAppSap *m_gcc_pIAppSap;
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GCCSessionKey m_gcc_session_key;
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GCCRegistryKey m_gcc_registry_key;
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GCCRegistryItem m_gcc_registry_item;
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GCCRegistryKey m_registry_key_Private;
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GCCRegistryItem m_registry_item_Private;
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ChannelID m_mcs_channel_id; // public channel ID
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PIMCSSap m_pmcs_sap;
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UserID m_gcc_node_id;
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// m_mcs_sender_id is the result of MCS_ATTACH_USER_CONFIRM.
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// It is also the "sender_id" in MCS_SEND_DATA_INDICATION
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UserID m_mcs_sender_id;
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// Properties:
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BOOL FConnected(void) {return (SCS_CONNECTED == m_scs);}
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ChannelID GetMcsChannelId() {return m_mcs_channel_id;}
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ChannelID SenderChannelId() {return m_mcs_sender_id;}
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VOID CloseChannel(VOID);
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HRESULT HrSendData(ChannelID channelId, DWORD dwUserId, LPVOID lpv, DWORD cb, ULONG opt);
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VOID UpdateScState(SCSTATE scs, DWORD dwErr);
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VOID ProcessEntryConfirm(GCCAppSapMsg * pMsg);
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BOOL UpdateRoster(GCCAppSapMsg * pMsg);
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VOID RemovePeer(UINT iPeer);
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VOID RequestChannelId(DWORD dwUserId);
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VOID NotifyChannelConnected(void);
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VOID ProcessHandleConfirm(GCCAppSapMsg * pMsg);
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};
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DECLARE_STANDARD_TYPES(CNmChannelData);
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void CALLBACK NmGccMsgHandler(GCCAppSapMsg * pMsg);
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void CALLBACK NmMcsMsgHandler(unsigned int uMsg, LPARAM lParam, PVOID pv);
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// list management
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POSITION AddNode(PVOID pv, COBLIST **ppList);
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PVOID RemoveNodePos(POSITION * pPos, COBLIST *pList);
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VOID RemoveNode(PVOID pv, COBLIST * pList);
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// Data Notification Structure
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typedef struct {
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INmMember * pMember;
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LPBYTE pb;
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ULONG cb;
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ULONG dwFlags;
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} NMN_DATA_XFER;
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// Global Routines
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VOID FreeMemberIdList(COBLIST ** ppList);
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HRESULT OnNmDataSent(IUnknown *pConferenceNotify, void *pv, REFIID riid);
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HRESULT OnNmDataReceived(IUnknown *pConferenceNotify, void *pv, REFIID riid);
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HRESULT OnAllocateHandleConfirm(IUnknown *pConferenceNotify, void *pv, REFIID riid);
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#endif // _ICHNLDAT_H_
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