Leaked source code of windows server 2003
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/****************************************************************************
*
* $Archive: S:/STURGEON/SRC/CALLCONT/VCS/ccmain.h_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: 1.81 $
* $Date: 31 Jan 1997 13:13:50 $
* $Author: MANDREWS $
*
* Deliverable:
*
* Abstract:
*
*
* Notes:
*
***************************************************************************/
#include <winerror.h>
#ifdef GATEKEEPER
#include "gkiman.h"
#endif // GATEKEEPER
#define MASTER_SLAVE_RETRY_MAX 10
typedef struct {
#ifdef _DEBUG
CRITICAL_SECTION LockInfoLock;
WORD wLockCount;
WORD wNumQueuedThreads;
HANDLE hOwningThread;
#endif
HANDLE Lock;
} LOCK, *PLOCK;
typedef struct {
LOCK Lock;
WORD wNumThreads;
} THREADCOUNT;
typedef enum {
INITIALIZING_STATE,
OPERATIONAL_STATE,
SHUTDOWN_STATE
} CALL_CONTROL_STATE;
// The following typedef is not in callcont.h because it is only used internally
typedef DWORD HHANGUP, *PHHANGUP;
typedef enum {
TS_FALSE,
TS_TRUE,
TS_UNKNOWN
} TRISTATE;
typedef enum {
UNCONNECTED_MODE,
POINT_TO_POINT_MODE,
MULTIPOINT_MODE
} CONFMODE;
typedef enum {
NEVER_ATTACHED, // Endpoint has never been attached to the conference
ATTACHED, // Endpoint is currently attached to the conference
DETACHED // Endpoint was once attached to the conference, but is now detached
} ATTACHSTATE;
typedef struct CallQueue_t {
CC_HCALL hCall;
struct CallQueue_t *pNext;
struct CallQueue_t *pPrev;
} CALL_QUEUE, *PCALL_QUEUE;
#define NUM_TERMINAL_ALLOCATION_SLOTS 24 // 24*sizeof(BYTE) = 192 = max. terminal number
#define NUM_CHANNEL_ALLOCATION_SLOTS 32 // 32*sizeof(BYTE) = 256 = max. channel number
typedef enum {
TERMINAL_ID_INVALID,
TERMINAL_ID_REQUESTED,
TERMINAL_ID_VALID
} TERMINALIDSTATE;
typedef struct {
TERMINALIDSTATE TerminalIDState;
CC_PARTICIPANTINFO ParticipantInfo;
PCALL_QUEUE pEnqueuedRequestsForTerminalID; // list of calls waiting to get this peer's terminal ID
} PARTICIPANTINFO, *PPARTICIPANTINFO;
typedef struct Conference_t {
CC_HCONFERENCE hConference; // handle for this conference object
CC_CONFERENCEID ConferenceID; // conference ID (0 => conference ID has not
// been established)
PARTICIPANTINFO LocalParticipantInfo;
BYTE TerminalNumberAllocation[NUM_TERMINAL_ALLOCATION_SLOTS];
BYTE ChannelNumberAllocation[NUM_CHANNEL_ALLOCATION_SLOTS];
BOOL bDeferredDelete;
BOOL bMultipointCapable;
BOOL bForceMC;
BOOL bAutoAccept;
ATTACHSTATE LocalEndpointAttached;
BOOL bDynamicConferenceID;
BOOL bDynamicTerminalID;
PCC_TERMCAP pLocalH245H2250MuxCapability;
PCC_TERMCAPLIST pLocalH245TermCapList; // terminal capabilities
PCC_TERMCAPDESCRIPTORS pLocalH245TermCapDescriptors; // terminal capability descriptors
BOOL bSessionTableInternallyConstructed; // TRUE => session table must be
// deallocated by Call Control; FALSE => must be
// deallocated by SessionTableConstructor
PCC_SESSIONTABLE pSessionTable;
PCC_TERMCAP pConferenceH245H2250MuxCapability;
PCC_TERMCAPLIST pConferenceTermCapList;
PCC_TERMCAPDESCRIPTORS pConferenceTermCapDescriptors;
DWORD_PTR dwConferenceToken; // conference token specified by user in
// CreateConference()
CC_SESSIONTABLE_CONSTRUCTOR SessionTableConstructor;
CC_TERMCAP_CONSTRUCTOR TermCapConstructor;
CC_CONFERENCE_CALLBACK ConferenceCallback; // conference callback location
CC_CONFERENCE_CALLBACK SaveConferenceCallback; // saved copy of the conference callback location
struct Call_t *pEnqueuedCalls;
struct Call_t *pPlacedCalls;
struct Call_t *pEstablishedCalls;
struct Call_t *pVirtualCalls;
struct Channel_t *pChannels;
TRISTATE tsMultipointController;
TRISTATE tsMaster;
CONFMODE ConferenceMode;
PCC_ADDR pMultipointControllerAddr;
PCC_VENDORINFO pVendorInfo;
PCALL_QUEUE pEnqueuedRequestModeCalls;
BOOL bInTable;
struct Conference_t *pNextInTable;
struct Conference_t *pPrevInTable;
LOCK Lock;
} CONFERENCE, *PCONFERENCE, **PPCONFERENCE;
// State of call object
typedef enum {
INCOMING, // incoming call request has been received,
// but not yet accepted or rejected
ENQUEUED, // call has been enqueued on conference for later placement
PLACED, // call has been placed, awaiting RINGING, CONNECT or RELEASECOMPLETE
RINGING, // RINGING received, awaiting CONNECT or RELEASECOMPLETE
TERMCAP, // CONNECT received or incoming call accepted,
// awaiting completion of terminal capability exchange
CALL_COMPLETE // call placement complete (either success or failure)
} CALLSTATE;
typedef enum {
NEED_TO_SEND_TERMCAP,
AWAITING_TERMCAP,
AWAITING_ACK,
TERMCAP_COMPLETE
} TERMCAPSTATE;
typedef enum {
MASTER_SLAVE_NOT_STARTED,
MASTER_SLAVE_IN_PROGRESS,
MASTER_SLAVE_COMPLETE
} MASTERSLAVESTATE;
typedef enum {
CALLER,
CALLEE,
VIRTUAL,
THIRD_PARTY_INVITOR,
THIRD_PARTY_INTERMEDIARY // we're the MC in a third party invite
} CALLTYPE;
typedef struct Call_t {
CC_HCALL hCall;
CC_HCONFERENCE hConference;
HQ931CALL hQ931Call;
HQ931CALL hQ931CallInvitor; // Invitor in third party invite
PPARTICIPANTINFO pPeerParticipantInfo;
BOOL bMarkedForDeletion;
PCC_NONSTANDARDDATA pLocalNonStandardData;
PCC_NONSTANDARDDATA pPeerNonStandardData;
PCC_ADDR pQ931LocalConnectAddr;
PCC_ADDR pQ931PeerConnectAddr;
PCC_ADDR pQ931DestinationAddr;
PCC_ADDR pSourceCallSignalAddress;
PCC_TERMCAPLIST pPeerH245TermCapList;
PCC_TERMCAP pPeerH245H2250MuxCapability;
PCC_TERMCAPDESCRIPTORS pPeerH245TermCapDescriptors;
PCC_ALIASNAMES pLocalAliasNames;
PCC_ALIASNAMES pPeerAliasNames;
PCC_ALIASNAMES pPeerExtraAliasNames;
PCC_ALIASITEM pPeerExtension;
PWSTR pszLocalDisplay;
PWSTR pszPeerDisplay;
PCC_VENDORINFO pPeerVendorInfo;
DWORD_PTR dwUserToken;
TERMCAPSTATE OutgoingTermCapState; // NEED_TO_SEND_TERMCAP, AWAITING_ACK, or
// TERMCAP_COMPLETE
TERMCAPSTATE IncomingTermCapState; // AWAITING_TERMCAP or TERMCAP_COMPLETE
MASTERSLAVESTATE MasterSlaveState;
struct Call_t *pNext;
struct Call_t *pPrev;
CALLSTATE CallState;
CALLTYPE CallType;
BOOL bCallerIsMC;
CC_CONFERENCEID ConferenceID;
BOOL bLinkEstablished;
H245_INST_T H245Instance;
DWORD dwH245PhysicalID;
WORD wMasterSlaveRetry;
GUID CallIdentifier;
#ifdef GATEKEEPER
GKICALL GkiCall;
#endif // GATEKEEPER
BOOL bInTable;
struct Call_t *pNextInTable;
struct Call_t *pPrevInTable;
LOCK Lock;
} CALL, *PCALL, **PPCALL;
// Channel types must be bit maps
#define TX_CHANNEL 0x01
#define RX_CHANNEL 0x02
#define TXRX_CHANNEL 0x04 // bi-directional channel
#define PROXY_CHANNEL 0x08
#define ALL_CHANNELS (TX_CHANNEL | RX_CHANNEL | TXRX_CHANNEL | PROXY_CHANNEL)
typedef struct Channel_t {
CC_HCHANNEL hChannel;
CC_HCONFERENCE hConference;
DWORD_PTR dwUserToken;
BYTE bSessionID;
BYTE bAssociatedSessionID;
WORD wLocalChannelNumber;
WORD wRemoteChannelNumber;
BOOL bMultipointChannel;
WORD wNumOutstandingRequests;
PCC_TERMCAP pTxH245TermCap;
PCC_TERMCAP pRxH245TermCap;
H245_MUX_T *pTxMuxTable;
H245_MUX_T *pRxMuxTable;
H245_ACCESS_T *pSeparateStack;
CC_HCALL hCall;
BYTE bChannelType;
BOOL bCallbackInvoked;
TRISTATE tsAccepted;
PCALL_QUEUE pCloseRequests;
PCC_ADDR pLocalRTPAddr;
PCC_ADDR pLocalRTCPAddr;
PCC_ADDR pPeerRTPAddr;
PCC_ADDR pPeerRTCPAddr;
DWORD dwChannelBitRate;
BOOL bLocallyOpened;
struct Channel_t *pNext;
struct Channel_t *pPrev;
BOOL bInTable;
struct Channel_t *pNextInTable;
struct Channel_t *pPrevInTable;
LOCK Lock;
} CHANNEL, *PCHANNEL, **PPCHANNEL;
typedef struct Listen_t {
CC_HLISTEN hListen;
CC_ADDR ListenAddr;
DWORD_PTR dwListenToken;
CC_LISTEN_CALLBACK ListenCallback;
HQ931LISTEN hQ931Listen;
PCC_ALIASNAMES pLocalAliasNames; // local alias names
BOOL bInTable;
struct Listen_t *pNextInTable;
struct Listen_t *pPrevInTable;
LOCK Lock;
} LISTEN, *PLISTEN, **PPLISTEN;
typedef struct Hangup_t {
HHANGUP hHangup;
CC_HCONFERENCE hConference;
DWORD_PTR dwUserToken;
WORD wNumCalls;
BOOL bInTable;
struct Hangup_t *pNextInTable;
struct Hangup_t *pPrevInTable;
LOCK Lock;
} HANGUP, *PHANGUP, **PPHANGUP;
#ifdef FORCE_SERIALIZE_CALL_CONTROL
#define EnterCallControlTop() {CCLOCK_AcquireLock();}
#define LeaveCallControlTop(f) {CCLOCK_RelinquishLock(); \
return f;}
#define EnterCallControl()
#define HResultLeaveCallControl(f) {return f;}
#define DWLeaveCallControl(f) {return f;}
#else
#define EnterCallControlTop() EnterCallControl()
#define LeaveCallControlTop(f) HResultLeaveCallControl(f)
#define EnterCallControl() {AcquireLock(&ThreadCount.Lock); \
ThreadCount.wNumThreads++; \
RelinquishLock(&ThreadCount.Lock);}
#define NullLeaveCallControl() {AcquireLock(&ThreadCount.Lock); \
ThreadCount.wNumThreads--; \
RelinquishLock(&ThreadCount.Lock); \
return;}
#define HResultLeaveCallControl(f) {HRESULT stat; \
stat = f; \
AcquireLock(&ThreadCount.Lock); \
ThreadCount.wNumThreads--; \
RelinquishLock(&ThreadCount.Lock); \
return stat;}
#define DWLeaveCallControl(f) {DWORD stat; \
stat = f; \
AcquireLock(&ThreadCount.Lock); \
ThreadCount.wNumThreads--; \
RelinquishLock(&ThreadCount.Lock); \
return stat;}
#endif