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Diffstat (limited to '')
| -rw-r--r-- | private/ntos/tdi/tcpip/tcp/tcpconn.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/private/ntos/tdi/tcpip/tcp/tcpconn.h b/private/ntos/tdi/tcpip/tcp/tcpconn.h new file mode 100644 index 000000000..e3eed2c8b --- /dev/null +++ b/private/ntos/tdi/tcpip/tcp/tcpconn.h @@ -0,0 +1,124 @@ +/********************************************************************/ +/** Microsoft LAN Manager **/ +/** Copyright(c) Microsoft Corp., 1990-1993 **/ +/********************************************************************/ +/* :ts=4 */ + +//** TCPCONN.H - TCP connection related definitions. +// +// This file contains the definitions for connection related structures, +// such as the TCPConnReq structure. +// + +#define INVALID_CONN_INDEX 0xffffff + +//* Structure used for tracking Connect/Listen/Accept/Disconnect requests. + +#define tcr_signature 0x20524354 // 'TCR ' + +struct TCPConnReq { + struct TCPReq tcr_req; // General request structure. +#ifdef DEBUG + ulong tcr_sig; +#endif + struct _TDI_CONNECTION_INFORMATION *tcr_conninfo; // Where to return info. + ushort tcr_flags; // Flags for this request. + ushort tcr_timeout; // Timeout value for this request. +}; + +typedef struct TCPConnReq TCPConnReq; + +typedef void (*ConnDoneRtn)(struct TCPConn *, CTELockHandle); + +//* Structure of a TCB Connection. A TCP Connection points to a TCP and an +// address object. + +#define tc_signature 0x20204354 // 'TC ' + +struct TCPConn { +#ifdef DEBUG + ulong tc_sig; +#endif + Queue tc_q; // Linkage on AO. + struct TCB *tc_tcb; // Pointer to TCB for connection. + struct AddrObj *tc_ao; // Back pointer to AddrObj. + uchar tc_inst; // Instance number. + uchar tc_flags; // Flags for connection. + ushort tc_refcnt; // Count of TCBs which reference this + // connection. + void *tc_context; // User's context. + CTEReqCmpltRtn tc_rtn; // Completion routine. + PVOID tc_rtncontext; // User context for completion routine. + ConnDoneRtn tc_donertn; // Routine to call when refcnt goes to 0. + uint tc_tcbflags; // Flags for TCB when it comes in. + uint tc_window; // Default window for TCB. + +}; /* TCPConn */ + +typedef struct TCPConn TCPConn; + +#define CONN_CLOSING 1 // Connection is closing. +#define CONN_DISACC 2 // Conn. is disassociating. +#define CONN_WINSET 4 // Window explictly set. + +#define CONN_INVALID (CONN_CLOSING | CONN_DISACC) + +//* Structure of a ConnTable. +typedef struct TCPConn *TCPConnTable[]; + +extern TCPConnTable *ConnTable; + +#define FREE_CONN_INDEX(i) (*ConnTable)[(i)] = NULL +EXTERNAL_LOCK(ConnTableLock) + +struct TCPAddrCheck { + IPAddr SourceAddress; + uint TickCount; +}; /* TCPAddrCheck */ + +typedef struct TCPAddrCheck TCPAddrCheckElement; + +extern TCPAddrCheckElement *AddrCheckTable; + +//* External definitions for TDI entry points. +extern TDI_STATUS TdiOpenConnection(PTDI_REQUEST Request, PVOID Context); +extern TDI_STATUS TdiCloseConnection(PTDI_REQUEST Request); +extern TDI_STATUS TdiAssociateAddress(PTDI_REQUEST Request, HANDLE AddrHandle); +extern TDI_STATUS TdiDisAssociateAddress(PTDI_REQUEST Request); +extern TDI_STATUS TdiConnect(PTDI_REQUEST Request, void *Timeout, + PTDI_CONNECTION_INFORMATION RequestAddr, + PTDI_CONNECTION_INFORMATION ReturnAddr); +extern TDI_STATUS TdiListen(PTDI_REQUEST Request, ushort Flags, + PTDI_CONNECTION_INFORMATION AcceptableAddr, + PTDI_CONNECTION_INFORMATION ConnectedAddr); +extern TDI_STATUS TdiAccept(PTDI_REQUEST Request, + PTDI_CONNECTION_INFORMATION AcceptInfo, + PTDI_CONNECTION_INFORMATION ConnectedInfo); +extern TDI_STATUS TdiDisconnect(PTDI_REQUEST Request, void *TO, ushort Flags, + PTDI_CONNECTION_INFORMATION DiscConnInfo, + PTDI_CONNECTION_INFORMATION ReturnInfo); + +extern struct TCPConnReq *GetConnReq(void); +extern void FreeConnReq(struct TCPConnReq *FreedReq); +extern void DerefTCB(struct TCB *DoneTCB, CTELockHandle Handle); +extern void InitRCE(struct TCB *NewTCB); +extern void AcceptConn(struct TCB *AcceptTCB, CTELockHandle Handle); +extern void FreeConnID(uint ConnID); +extern void NotifyOfDisc(struct TCB *DiscTCB, struct IPOptInfo *DiscInfo, + TDI_STATUS Status); +extern TCPConn *GetConnFromConnID(uint ConnID); + +extern void TryToCloseTCB(struct TCB *ClosedTCB, uchar Reason, + CTELockHandle Handle); +extern TDI_STATUS InitTCBFromConn(struct TCPConn *Conn, struct TCB *NewTCB, + PTDI_CONNECTION_INFORMATION Addr, uint AOLocked); + +extern void PushData(struct TCB *PushTCB); +extern TDI_STATUS MapIPError(IP_STATUS IPError, TDI_STATUS Default); +extern void GracefulClose(struct TCB *CloseTCB, uint ToTimeWait, uint Notify, + CTELockHandle Handle); +extern void RemoveTCBFromConn(struct TCB *RemovedTCB); +extern void InitAddrChecks(); +extern int ConnCheckPassed(IPAddr Src, ulong Prt); +extern void EnumerateConnectionList(uchar *Buffer, ulong BufferSize, + ulong *EntriesReturned, ulong *EntriesAvailable); |