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386 lines
9.5 KiB
386 lines
9.5 KiB
/*++
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Copyright (c) 1990 Microsoft Corporation
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Module Name:
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tdi.h
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Abstract:
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This module defines all the constructs that are used when referencing
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the TDI (Transport Driver Interface) driver in NT.
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Author:
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Larry Osterman (LarryO) 1-Jun-1990
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Revision History:
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1-Jun-1990 LarryO
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Created
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--*/
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#ifndef _BOWTDI_
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#define _BOWTDI_
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struct _TRANSPORT;
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struct _TRANSPORT_NAME;
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struct _BOWSER_TIMER;
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typedef enum {
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None,
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PotentialBackup,
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Backup,
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Master
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} BROWSERROLE, *PBROWSERROLES;
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typedef enum {
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Idle,
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ElectionInProgress,
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RunningElection,
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DeafToElections // Set if no become master IRPs outstanding.
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} ELECTIONROLE, *PELECTIONROLE;
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struct _PAGED_TRANSPORT;
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struct _PAGED_TRANSPORT_NAME;
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typedef struct _TRANSPORT {
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CSHORT Signature; // Structure signature.
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CSHORT Size; // Structure size in bytes.
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ULONG ReferenceCount; // Reference count for structure.
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struct _PAGED_TRANSPORT *PagedTransport;
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struct _TRANSPORT_NAME *ComputerName; // Computer name.
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struct _TRANSPORT_NAME *PrimaryDomain;// Primary domain.
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struct _TRANSPORT_NAME *MasterBrowser;// Master browser name.
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struct _TRANSPORT_NAME *BrowserElection;// Master browser name.
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ULONG DatagramSize; // Size of largest DG in bytes.
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//
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// The token is used to match incoming getbrowserserverlist responses with
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// the request that they are associated with.
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//
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// It is protected by the backup list spin lock, and is incremented every
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// time we send a GetBackupList request.
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//
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ULONG BrowserServerListToken; // Token for GetBrowserList request.
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PFILE_OBJECT IpxSocketFileObject;
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PDEVICE_OBJECT IpxSocketDeviceObject;
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PBACKUP_LIST_RESPONSE_1 BowserBackupList;
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//
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// Role of workstation in election.
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//
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ELECTIONROLE ElectionState;
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ERESOURCE AnnounceTableLock; // Lock for announce table.
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ERESOURCE Lock; // Lock protecting fields below.
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BOWSER_TIMER ElectionTimer;
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BOWSER_TIMER FindMasterTimer;
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//
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// List of browser servers active
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//
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ERESOURCE BrowserServerListResource;// Resource protecting BrowserServerList.
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KEVENT GetBackupListComplete;
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IRP_QUEUE BecomeBackupQueue;
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IRP_QUEUE BecomeMasterQueue;
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IRP_QUEUE FindMasterQueue;
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IRP_QUEUE WaitForMasterAnnounceQueue;
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IRP_QUEUE ChangeRoleQueue;
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IRP_QUEUE WaitForNewMasterNameQueue;
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} TRANSPORT, *PTRANSPORT;
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typedef struct _PAGED_TRANSPORT {
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CSHORT Signature; // Structure signature.
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CSHORT Size; // Structure size in bytes.
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PTRANSPORT NonPagedTransport;
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LIST_ENTRY GlobalNext; // Pointer to next transport.
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LIST_ENTRY NameChain; // List of names bound to this xport.
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UNICODE_STRING TransportName; // Name of transport
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ULONG NumberOfBrowserServers; // Number of browser servers in table.
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ULONG NumberOfServersInTable; // Number of servers in browser svc.
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RTL_GENERIC_TABLE AnnouncementTable; // Announcement table for xport
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RTL_GENERIC_TABLE DomainTable; // Domain table for xport
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LIST_ENTRY BackupBrowserList; // List of active backup browsers.
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ULONG NumberOfBackupServerListEntries;
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HANDLE IpxSocketHandle;
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//
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// WinBALL compatible browser fields.
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//
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BROWSERROLE Role; // Role of browser in domain.
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ULONG ServiceStatus; // Status of browser service.
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ULONG ElectionCount;
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ULONG ElectionsSent; // Number of election requests sent.
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ULONG NextElection;
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ULONG Uptime;
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ULONG TimeLastLost;
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ULONG ElectionCriteria;
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ULONG TimeMaster; // The time we became the master.
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ULONG LastElectionSeen; // The last time we saw an election.
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UNICODE_STRING MasterName;
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STRING MasterBrowserAddress;
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PWCHAR *BrowserServerListBuffer; // Buffer containing browser server names
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ULONG BrowserServerListLength; // Number of browser servers in list.
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ULONG IpSubnetNumber; //
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USHORT Flags; // Flags for transport.
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BOOLEAN Wannish; // True if transport is wannish.
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BOOLEAN PointToPoint; // True if transport is a gateway (RAS).
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BOOLEAN DisabledTransport; // True if transport is disabled
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} PAGED_TRANSPORT, *PPAGED_TRANSPORT;
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#define ELECT_LOST_LAST_ELECTION 0x0001 // True if we lost the last election.
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#define DIRECT_HOST_IPX 0x8000 // True if Xport is a direct host IPX
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typedef struct _TRANSPORT_NAME {
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USHORT Signature; // Structure signature.
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USHORT Size; // Structure size in bytes.
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CHAR NameType;
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BOOLEAN ProcessHostAnnouncements; // TRUE if processing announcements.
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LONG ReferenceCount; // Reference count for T.N.
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struct _PAGED_TRANSPORT_NAME *PagedTransportName;
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PTRANSPORT Transport;
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PFILE_OBJECT FileObject; // File object for transport device
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PDEVICE_OBJECT DeviceObject; // Device object for transport
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ANSI_STRING TransportAddress; // Transport address for user.
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} TRANSPORT_NAME, *PTRANSPORT_NAME;
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typedef struct _PAGED_TRANSPORT_NAME {
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CSHORT Signature; // Structure signature.
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CSHORT Size; // Structure size in bytes.
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PTRANSPORT_NAME NonPagedTransportName;
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PBOWSER_NAME Name;
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LIST_ENTRY TransportNext; // Pointer to next name on transport.
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LIST_ENTRY NameNext; // Pointer to next name on bowser name.
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HANDLE Handle; // Handle to transport endpoint
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} PAGED_TRANSPORT_NAME, *PPAGED_TRANSPORT_NAME;
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#define LOCK_TRANSPORT(Transport) \
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ExAcquireResourceExclusive(&(Transport)->Lock, TRUE);
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#define LOCK_TRANSPORT_SHARED(Transport) \
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ExAcquireResourceShared(&(Transport)->Lock, TRUE);
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#define UNLOCK_TRANSPORT(Transport) \
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ExReleaseResource(&(Transport)->Lock);
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#define INITIALIZE_ANNOUNCE_DATABASE(Transport) \
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ExInitializeResource(&Transport->AnnounceTableLock);
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#define UNINITIALIZE_ANNOUNCE_DATABASE(Transport) \
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ExDeleteResource(&Transport->AnnounceTableLock);
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#define LOCK_ANNOUNCE_DATABASE_SHARED(Transport) \
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ExAcquireResourceShared(&Transport->AnnounceTableLock,\
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TRUE \
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);
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#define LOCK_ANNOUNCE_DATABASE(Transport) \
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ExAcquireResourceExclusive(&Transport->AnnounceTableLock,\
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TRUE \
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);
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#define UNLOCK_ANNOUNCE_DATABASE(Transport) \
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ExReleaseResource(&Transport->AnnounceTableLock);
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//
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// The first parameter to the BowserEnumerateTransports routine.
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//
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typedef
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NTSTATUS
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(*PTRANSPORT_ENUM_ROUTINE) (
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IN PTRANSPORT Transport,
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IN OUT PVOID Context
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);
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typedef
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NTSTATUS
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(*PTRANSPORT_NAME_ENUM_ROUTINE) (
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IN PTRANSPORT_NAME Transport,
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IN OUT PVOID Context
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);
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//
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// TDI Interface routines
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//
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NTSTATUS
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BowserTdiAllocateTransport (
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PUNICODE_STRING TransportName
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);
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PTRANSPORT_NAME
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BowserFindTransportName(
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IN PTRANSPORT Transport,
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IN PBOWSER_NAME Name
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);
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NTSTATUS
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BowserCreateTransportName (
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IN PTRANSPORT Transport,
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IN PBOWSER_NAME Name
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);
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NTSTATUS
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BowserFreeTransportByName (
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IN PUNICODE_STRING TransportName
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);
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NTSTATUS
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BowserUnbindFromAllTransports(
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VOID
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);
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NTSTATUS
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BowserDeleteTransportNameByName(
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IN PTRANSPORT Transport,
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IN PUNICODE_STRING Name,
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IN DGRECEIVER_NAME_TYPE NameType
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);
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NTSTATUS
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BowserEnumerateTransports (
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OUT PVOID OutputBuffer,
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OUT ULONG OutputBufferLength,
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IN OUT PULONG EntriesRead,
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IN OUT PULONG TotalEntries,
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IN OUT PULONG TotalBytesNeeded,
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IN ULONG OutputBufferDisplacement);
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PTRANSPORT
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BowserFindTransport (
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PUNICODE_STRING TransportName
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);
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VOID
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BowserReferenceTransport (
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IN PTRANSPORT Transport
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);
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VOID
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BowserDereferenceTransport (
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IN PTRANSPORT Transport
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);
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VOID
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BowserReferenceTransportName(
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IN PTRANSPORT_NAME TransportName
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);
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NTSTATUS
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BowserDereferenceTransportName(
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IN PTRANSPORT_NAME TransportName
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);
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NTSTATUS
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BowserSendRequestAnnouncement(
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IN PUNICODE_STRING DestinationName,
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IN DGRECEIVER_NAME_TYPE NameType,
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IN PTRANSPORT Transport
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);
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VOID
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BowserpInitializeTdi (
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VOID
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);
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VOID
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BowserpUninitializeTdi (
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VOID
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);
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NTSTATUS
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BowserBuildTransportAddress (
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OUT PANSI_STRING RemoteAddress,
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IN PUNICODE_STRING Name,
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IN DGRECEIVER_NAME_TYPE NameType,
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IN PTRANSPORT Transport
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);
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NTSTATUS
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BowserFreeTransportName(
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IN PTRANSPORT_NAME TransportName
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);
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NTSTATUS
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BowserForEachTransport (
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IN PTRANSPORT_ENUM_ROUTINE Routine,
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IN OUT PVOID Context
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);
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NTSTATUS
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BowserForEachTransportName (
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IN PTRANSPORT Transport,
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IN PTRANSPORT_NAME_ENUM_ROUTINE Routine,
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IN OUT PVOID Context
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);
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NTSTATUS
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BowserSendSecondClassMailslot (
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IN PTRANSPORT Transport,
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IN PVOID RecipientAddress,
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IN DGRECEIVER_NAME_TYPE NameType,
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IN PVOID Message,
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IN ULONG MessageLength,
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IN BOOLEAN WaitForCompletion,
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IN PCHAR mailslotNameData,
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IN PSTRING DestinationAddress OPTIONAL
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);
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NTSTATUS
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BowserUpdateProviderInformation(
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IN OUT PPAGED_TRANSPORT PagedTransport
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);
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extern
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LIST_ENTRY
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BowserTransportHead;
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extern
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ERESOURCE
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BowserTransportDatabaseResource;
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#endif // _BOWTDI_
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