windows-nt/Source/XPSP1/NT/termsrv/drivers/td/tdicom/tdtdi.h

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2020-09-26 03:20:57 -05:00
/***************************************************************************
*
* tdtdi.h
*
* This module contains internal defines and structures for TDI based TDs.
*
* Copyright 1998 Microsoft
*
*
****************************************************************************/
typedef enum _ENDPOINT_TYPE {
TdiAddressObject,
TdiConnectionStream,
TdiConnectionDatagram
} ENDPOINT_TYPE;
/*
* TD stack endpoint structure.
*
* This is registered with ICADD.SYS to create a "handle" that can be returned
* to ICASRV to represent a connection in a secure manner.
*/
typedef struct _TD_STACK_ENDPOINT {
ULONG AddressType; // Address type (family) for this endpoint
struct _TD_ENDPOINT *pEndpoint; // Pointer to real endpoint structure
} TD_STACK_ENDPOINT, *PTD_STACK_ENDPOINT;
/*
* TD endpoint structure
*
* This structure contains all information about an endpoint.
* An endpoint may be either an address endpoint or a connection endpoint.
*/
typedef struct _TD_ENDPOINT {
NTSTATUS Status;
HANDLE TransportHandle;
PEPROCESS TransportHandleProcess;
PFILE_OBJECT pFileObject;
PDEVICE_OBJECT pDeviceObject;
UNICODE_STRING TransportName;
PTRANSPORT_ADDRESS pTransportAddress;
ULONG TransportAddressLength;
PTRANSPORT_ADDRESS pRemoteAddress;
ULONG RemoteAddressLength;
ENDPOINT_TYPE EndpointType;
// This protects the following fields
KSPIN_LOCK Spinlock;
// These fields are only used on Address endpoints
LIST_ENTRY ConnectedQueue;
LIST_ENTRY AcceptQueue;
LIST_ENTRY ConnectionQueue;
ULONG ConnectionQueueSize;
BOOLEAN ConnectIndicationRegistered;
BOOLEAN DisconnectIndicationRegistered;
BOOLEAN RecvIndicationRegistered;
KEVENT AcceptEvent;
BOOLEAN Waiter;
// This is used on Connection endpoints
HANDLE hIcaHandle; // Handle for TD_STACK_ENDPOINT
BOOLEAN Connected;
BOOLEAN Disconnected;
PIRP AcceptIrp;
LIST_ENTRY ReceiveQueue;
LIST_ENTRY ConnectionLink;
TDI_CONNECTION_INFORMATION SendInfo;
ULONG RecvBytesReady;
HANDLE hConnectionEndPointIcaHandle; // handle for TD_ENDPOINT (this structure)
HANDLE hTransportAddressIcaHandle; // handle for TRANSPORT_ADDRESS
} TD_ENDPOINT, *PTD_ENDPOINT;
/*
* TDI TD structure
*/
typedef struct _TDTDI {
PTD_ENDPOINT pAddressEndpoint;
PTD_ENDPOINT pConnectionEndpoint;
ULONG OutBufDelay; // Outbuf delay for connection
} TDTDI, * PTDTDI;