merge r52497
- Rewrite disconnect to work asynchronously

merge r52492
- Fix several bugs related to the FD_WRITE event
- We would not set the sendable poll state if the socket had data waiting to be sent even if there was buffer space
- We did not set the poll state after performing a send
- We did not clear the sendable poll state if we ran out of buffer space

svn path=/branches/GSoC_2011/TcpIpDriver/; revision=52516
This commit is contained in:
Claudiu Mihail 2011-07-03 12:03:49 +00:00
parent 9aa2d2c133
commit 75014f14eb
8 changed files with 252 additions and 160 deletions

View file

@ -355,7 +355,7 @@ StreamSocketConnectComplete
NextIrp = CONTAINING_RECORD(NextIrpEntry, IRP, Tail.Overlay.ListEntry);
AFD_DbgPrint(MID_TRACE,("Completing connect %x\n", NextIrp));
DbgPrint("[AFD, StreamSocketConnectComplete] Completing connect 0x%x\n", NextIrp);
DbgPrint("[AFD, StreamSocketConnectComplete] Completing connect 0x%x with Status = 0x%x\n", NextIrp, Status);
NextIrp->IoStatus.Status = Status;
NextIrp->IoStatus.Information = (NT_SUCCESS(Status) ? ((ULONG_PTR)FCB->Connection.Handle) : 0);
@ -369,6 +369,7 @@ StreamSocketConnectComplete
if (NT_SUCCESS(Status))
{
DbgPrint("[AFD, StreamSocketConnectComplete] Making socket into connection\n");
Status = MakeSocketIntoConnection(FCB);
if (!NT_SUCCESS(Status))
@ -377,21 +378,21 @@ StreamSocketConnectComplete
return Status;
}
FCB->FilledConnectData = MIN(FCB->ConnectInfo->UserDataLength,
FCB->FilledConnectData = MIN(FCB->ConnectReturnInfo->UserDataLength,
FCB->ConnectDataSize);
if (FCB->FilledConnectData)
{
RtlCopyMemory(FCB->ConnectData,
FCB->ConnectInfo->UserData,
FCB->ConnectReturnInfo->UserData,
FCB->FilledConnectData);
}
FCB->FilledConnectOptions = MIN(FCB->ConnectInfo->OptionsLength,
FCB->FilledConnectOptions = MIN(FCB->ConnectReturnInfo->OptionsLength,
FCB->ConnectOptionsSize);
if (FCB->FilledConnectOptions)
{
RtlCopyMemory(FCB->ConnectOptions,
FCB->ConnectInfo->Options,
FCB->ConnectReturnInfo->Options,
FCB->FilledConnectOptions);
}
@ -415,6 +416,7 @@ StreamSocketConnectComplete
SocketStateUnlock(FCB);
AFD_DbgPrint(MID_TRACE,("Returning %x\n", Status));
DbgPrint("[AFD, StreamSocketConnectComplete] Leaving. Status = 0x%x\n", Status);
return Status;
}
@ -430,7 +432,6 @@ AfdStreamSocketConnect(PDEVICE_OBJECT DeviceObject, PIRP Irp,
PFILE_OBJECT FileObject = IrpSp->FileObject;
PAFD_FCB FCB = (PAFD_FCB)FileObject->FsContext;
PAFD_CONNECT_INFO ConnectReq;
PTDI_CONNECTION_INFORMATION TargetAddress;
AFD_DbgPrint(MID_TRACE,("Called on %x\n", FCB));
if (!SocketAcquireStateLock(FCB))
@ -507,41 +508,42 @@ AfdStreamSocketConnect(PDEVICE_OBJECT DeviceObject, PIRP Irp,
if (!NT_SUCCESS(Status))
break;
Status = TdiBuildConnectionInfo(&FCB->ConnectInfo, &ConnectReq->RemoteAddress);
if (FCB->ConnectReturnInfo) ExFreePool(FCB->ConnectReturnInfo);
Status = TdiBuildConnectionInfo(&FCB->ConnectReturnInfo, &ConnectReq->RemoteAddress);
if (NT_SUCCESS(Status))
Status = TdiBuildConnectionInfo(&TargetAddress, &ConnectReq->RemoteAddress);
else break;
{
if (FCB->ConnectCallInfo) ExFreePool(FCB->ConnectCallInfo);
Status = TdiBuildConnectionInfo(&FCB->ConnectCallInfo,
&ConnectReq->RemoteAddress);
}
else
break;
if (NT_SUCCESS(Status))
{
TargetAddress->UserData = FCB->ConnectData;
TargetAddress->UserDataLength = FCB->ConnectDataSize;
TargetAddress->Options = FCB->ConnectOptions;
TargetAddress->OptionsLength = FCB->ConnectOptionsSize;
AFD_DbgPrint(MID_TRACE,("Queueing IRP %x\n", Irp));
DbgPrint("[AFD, AfdStreamSocketConnect] Queueing IRP %x\n", Irp);
FCB->ConnectCallInfo->UserData = FCB->ConnectData;
FCB->ConnectCallInfo->UserDataLength = FCB->ConnectDataSize;
FCB->ConnectCallInfo->Options = FCB->ConnectOptions;
FCB->ConnectCallInfo->OptionsLength = FCB->ConnectOptionsSize;
FCB->State = SOCKET_STATE_CONNECTING;
AFD_DbgPrint(MID_TRACE,("Queueing IRP %x\n", Irp));
Status = QueueUserModeIrp( FCB, Irp, FUNCTION_CONNECT );
Status = QueueUserModeIrp(FCB, Irp, FUNCTION_CONNECT);
if (Status == STATUS_PENDING)
{
Status = TdiConnect( &FCB->ConnectIrp.InFlightRequest,
Status = TdiConnect(&FCB->ConnectIrp.InFlightRequest,
FCB->Connection.Object,
TargetAddress,
FCB->ConnectInfo,
FCB->ConnectCallInfo,
FCB->ConnectReturnInfo,
&FCB->ConnectIrp.Iosb,
StreamSocketConnectComplete,
FCB );
FCB);
}
if (Status != STATUS_PENDING)
FCB->State = SOCKET_STATE_BOUND;
ExFreePool(TargetAddress);
SocketStateUnlock(FCB);

View file

@ -43,7 +43,10 @@ SatisfyAccept
Status = MakeSocketIntoConnection( FCB );
if (NT_SUCCESS(Status))
Status = TdiBuildConnectionInfo(&FCB->ConnectInfo, FCB->RemoteAddress);
Status = TdiBuildConnectionInfo(&FCB->ConnectCallInfo, FCB->RemoteAddress);
if (NT_SUCCESS(Status))
Status = TdiBuildConnectionInfo(&FCB->ConnectReturnInfo, FCB->RemoteAddress);
return UnlockAndMaybeComplete( FCB, Status, Irp, 0 );
}

View file

@ -373,6 +373,7 @@ AfdCreateSocket(PDEVICE_OBJECT DeviceObject, PIRP Irp,
}
FileObject->FsContext = FCB;
DbgPrint("FileObject->FsContext = 0x%x\n", FCB);
/* It seems that UDP sockets are writable from inception */
if (FCB->Flags & AFD_ENDPOINT_CONNECTIONLESS)
@ -381,8 +382,8 @@ AfdCreateSocket(PDEVICE_OBJECT DeviceObject, PIRP Irp,
/* A datagram socket is always sendable */
FCB->PollState |= AFD_EVENT_SEND;
FCB->PollStatus[FD_WRITE_BIT] = STATUS_SUCCESS;
PollReeval( FCB->DeviceExt, FCB->FileObject );
FCB->PollStatus[FD_WRITE_BIT] = STATUS_SUCCESS;
PollReeval( FCB->DeviceExt, FCB->FileObject );
}
if (!NT_SUCCESS(Status))
@ -523,8 +524,11 @@ AfdCloseSocket(PDEVICE_OBJECT DeviceObject, PIRP Irp,
if ( FCB->AddressFrom )
ExFreePool(FCB->AddressFrom);
if (FCB->ConnectInfo)
ExFreePool(FCB->ConnectInfo);
if (FCB->ConnectCallInfo)
ExFreePool(FCB->ConnectCallInfo);
if (FCB->ConnectReturnInfo)
ExFreePool(FCB->ConnectReturnInfo);
if (FCB->ConnectData)
ExFreePool(FCB->ConnectData);
@ -596,78 +600,101 @@ AfdCloseSocket(PDEVICE_OBJECT DeviceObject, PIRP Irp,
static
NTSTATUS
DoDisconnect(PAFD_FCB FCB, PIRP CurrentIrp)
NTAPI
DisconnectComplete(PDEVICE_OBJECT DeviceObject,
PIRP Irp,
PVOID Context)
{
PAFD_FCB FCB = Context;
PIRP CurrentIrp;
PLIST_ENTRY CurrentEntry;
if( !SocketAcquireStateLock( FCB ) )
return STATUS_FILE_CLOSED;
ASSERT(FCB->DisconnectIrp.InFlightRequest == Irp);
FCB->DisconnectIrp.InFlightRequest = NULL;
ASSERT(FCB->DisconnectPending);
//ASSERT(IsListEmpty(&FCB->PendingIrpList[FUNCTION_SEND]) || (FCB->DisconnectFlags & TDI_DISCONNECT_ABORT));
if (NT_SUCCESS(Irp->IoStatus.Status) && (FCB->DisconnectFlags & TDI_DISCONNECT_RELEASE))
{
FCB->FilledDisconnectData = MIN(FCB->DisconnectDataSize, FCB->ConnectReturnInfo->UserDataLength);
if (FCB->FilledDisconnectData)
{
RtlCopyMemory(FCB->DisconnectData,
FCB->ConnectReturnInfo->UserData,
FCB->FilledDisconnectData);
}
FCB->FilledDisconnectOptions = MIN(FCB->DisconnectOptionsSize, FCB->ConnectReturnInfo->OptionsLength);
if (FCB->FilledDisconnectOptions)
{
RtlCopyMemory(FCB->DisconnectOptions,
FCB->ConnectReturnInfo->Options,
FCB->FilledDisconnectOptions);
}
}
FCB->DisconnectPending = FALSE;
while (!IsListEmpty(&FCB->PendingIrpList[FUNCTION_DISCONNECT]))
{
CurrentEntry = RemoveHeadList(&FCB->PendingIrpList[FUNCTION_DISCONNECT]);
CurrentIrp = CONTAINING_RECORD(CurrentEntry, IRP, Tail.Overlay.ListEntry);
CurrentIrp->IoStatus.Status = Irp->IoStatus.Status;
CurrentIrp->IoStatus.Information = 0;
UnlockRequest(CurrentIrp, IoGetCurrentIrpStackLocation(CurrentIrp));
(void)IoSetCancelRoutine(CurrentIrp, NULL);
IoCompleteRequest(CurrentIrp, IO_NETWORK_INCREMENT );
}
if (FCB->DisconnectFlags & TDI_DISCONNECT_RELEASE)
FCB->PollState |= AFD_EVENT_DISCONNECT;
else
FCB->PollState |= AFD_EVENT_ABORT;
FCB->PollStatus[FD_CLOSE_BIT] = Irp->IoStatus.Status;
PollReeval(FCB->DeviceExt, FCB->FileObject);
SocketStateUnlock(FCB);
return Irp->IoStatus.Status;
}
static
NTSTATUS
DoDisconnect(PAFD_FCB FCB)
{
PAFD_DISCONNECT_INFO DisReq;
IO_STATUS_BLOCK Iosb;
PTDI_CONNECTION_INFORMATION ConnectionReturnInfo;
PIO_STACK_LOCATION CurrentIrpSp;
USHORT Flags = 0;
NTSTATUS Status;
CurrentIrpSp = IoGetCurrentIrpStackLocation(CurrentIrp);
DisReq = GetLockedData(CurrentIrp, CurrentIrpSp);
ASSERT(FCB->DisconnectPending);
if (DisReq->DisconnectType & AFD_DISCONNECT_SEND)
Flags |= TDI_DISCONNECT_RELEASE;
if (DisReq->DisconnectType & AFD_DISCONNECT_RECV ||
DisReq->DisconnectType & AFD_DISCONNECT_ABORT)
Flags |= TDI_DISCONNECT_ABORT;
Status = TdiBuildNullConnectionInfo(&ConnectionReturnInfo,
FCB->RemoteAddress->Address[0].AddressType);
if (NT_SUCCESS(Status))
if (FCB->DisconnectIrp.InFlightRequest)
{
FCB->ConnectInfo->UserData = FCB->DisconnectData;
FCB->ConnectInfo->UserDataLength = FCB->DisconnectDataSize;
FCB->ConnectInfo->Options = FCB->DisconnectOptions;
FCB->ConnectInfo->OptionsLength = FCB->DisconnectOptionsSize;
Status = TdiDisconnect(FCB->Connection.Object,
&DisReq->Timeout,
Flags,
&Iosb,
NULL,
NULL,
FCB->ConnectInfo,
ConnectionReturnInfo);
if (NT_SUCCESS(Status))
{
FCB->FilledDisconnectData = MIN(FCB->DisconnectDataSize, ConnectionReturnInfo->UserDataLength);
if (FCB->FilledDisconnectData)
{
RtlCopyMemory(FCB->DisconnectData,
ConnectionReturnInfo->UserData,
FCB->FilledDisconnectData);
}
FCB->FilledDisconnectOptions = MIN(FCB->DisconnectOptionsSize, ConnectionReturnInfo->OptionsLength);
if (FCB->FilledDisconnectOptions)
{
RtlCopyMemory(FCB->DisconnectOptions,
ConnectionReturnInfo->Options,
FCB->FilledDisconnectOptions);
}
}
ExFreePool(ConnectionReturnInfo);
if (Flags & TDI_DISCONNECT_RELEASE)
FCB->PollState |= AFD_EVENT_DISCONNECT;
else
FCB->PollState |= AFD_EVENT_ABORT;
FCB->PollStatus[FD_CLOSE_BIT] = Status;
PollReeval(FCB->DeviceExt, FCB->FileObject);
return STATUS_PENDING;
}
FCB->ConnectCallInfo->UserData = FCB->DisconnectData;
FCB->ConnectCallInfo->UserDataLength = FCB->DisconnectDataSize;
FCB->ConnectCallInfo->Options = FCB->DisconnectOptions;
FCB->ConnectCallInfo->OptionsLength = FCB->DisconnectOptionsSize;
Status = TdiDisconnect(&FCB->DisconnectIrp.InFlightRequest,
FCB->Connection.Object,
&DisReq->Timeout,
FCB->DisconnectFlags,
&Iosb,
DisconnectComplete,
FCB,
FCB->ConnectCallInfo,
FCB->ConnectReturnInfo);
if (Status != STATUS_PENDING)
{
FCB->DisconnectPending = FALSE;
}
CurrentIrp->IoStatus.Status = Status;
CurrentIrp->IoStatus.Information = 0;
UnlockRequest(CurrentIrp, CurrentIrpSp);
(void)IoSetCancelRoutine(CurrentIrp, NULL);
IoCompleteRequest(CurrentIrp, IO_NETWORK_INCREMENT);
return Status;
}
@ -675,20 +702,12 @@ DoDisconnect(PAFD_FCB FCB, PIRP CurrentIrp)
VOID
RetryDisconnectCompletion(PAFD_FCB FCB)
{
if (IsListEmpty(&FCB->PendingIrpList[FUNCTION_SEND]))
ASSERT(FCB->RemoteAddress);
if (IsListEmpty(&FCB->PendingIrpList[FUNCTION_SEND]) && FCB->DisconnectPending)
{
PIRP CurrentIrp;
PLIST_ENTRY CurrentEntry;
ASSERT(FCB->RemoteAddress);
while (!IsListEmpty(&FCB->PendingIrpList[FUNCTION_DISCONNECT]))
{
CurrentEntry = RemoveHeadList(&FCB->PendingIrpList[FUNCTION_DISCONNECT]);
CurrentIrp = CONTAINING_RECORD(CurrentEntry, IRP, Tail.Overlay.ListEntry);
DoDisconnect(FCB, CurrentIrp);
}
/* Sends are done; fire off a TDI_DISCONNECT request */
DoDisconnect(FCB);
}
}
@ -702,6 +721,8 @@ AfdDisconnect(PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
PAFD_DISCONNECT_INFO DisReq;
NTSTATUS Status = STATUS_SUCCESS;
USHORT Flags = 0;
PLIST_ENTRY CurrentEntry;
PIRP CurrentIrp;
if (!SocketAcquireStateLock(FCB))
return LostSocket(Irp);
@ -717,23 +738,52 @@ AfdDisconnect(PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
if (!(FCB->Flags & AFD_ENDPOINT_CONNECTIONLESS))
{
if (!FCB->ConnectInfo)
if (!FCB->ConnectCallInfo)
return UnlockAndMaybeComplete(FCB, STATUS_INVALID_PARAMETER, Irp, 0);
if (IsListEmpty(&FCB->PendingIrpList[FUNCTION_SEND]) || (Flags & TDI_DISCONNECT_ABORT))
if (FCB->DisconnectPending)
{
/* Go ahead an execute the disconnect because we're ready for it */
Status = DoDisconnect(FCB, Irp);
/* DoDisconnect takes care of the IRP */
SocketStateUnlock(FCB);
return Status;
if (FCB->DisconnectIrp.InFlightRequest)
{
IoCancelIrp(FCB->DisconnectIrp.InFlightRequest);
ASSERT(!FCB->DisconnectIrp.InFlightRequest);
}
else
{
while (!IsListEmpty(&FCB->PendingIrpList[FUNCTION_DISCONNECT]))
{
CurrentEntry = RemoveHeadList(&FCB->PendingIrpList[FUNCTION_DISCONNECT]);
CurrentIrp = CONTAINING_RECORD(CurrentEntry, IRP, Tail.Overlay.ListEntry);
CurrentIrp->IoStatus.Status = STATUS_CANCELLED;
CurrentIrp->IoStatus.Information = 0;
UnlockRequest(CurrentIrp, IoGetCurrentIrpStackLocation(CurrentIrp));
(void)IoSetCancelRoutine(CurrentIrp, NULL);
IoCompleteRequest(CurrentIrp, IO_NETWORK_INCREMENT );
}
}
}
else
FCB->DisconnectFlags = Flags;
FCB->DisconnectPending = TRUE;
Status = QueueUserModeIrp(FCB, Irp, FUNCTION_DISCONNECT);
if (Status == STATUS_PENDING)
{
/* We have a graceful disconnect waiting on pending sends to complete */
return LeaveIrpUntilLater(FCB, Irp, FUNCTION_DISCONNECT);
if (IsListEmpty(&FCB->PendingIrpList[FUNCTION_SEND]) || (FCB->DisconnectFlags & TDI_DISCONNECT_ABORT))
{
/* Go ahead an execute the disconnect because we're ready for it */
Status = DoDisconnect(FCB);
}
if (Status != STATUS_PENDING)
RemoveEntryList(&Irp->Tail.Overlay.ListEntry);
}
if (Status == STATUS_PENDING)
{
SocketStateUnlock(FCB);
return Status;
}
}
@ -984,6 +1034,8 @@ AfdCancelHandler(PDEVICE_OBJECT DeviceObject,
KIRQL OldIrql;
PAFD_ACTIVE_POLL Poll;
DbgPrint("[AFD, AfdCancelHandler] called\n");
IoReleaseCancelSpinLock(Irp->CancelIrql);
if (!SocketAcquireStateLock(FCB))
@ -1032,37 +1084,43 @@ AfdCancelHandler(PDEVICE_OBJECT DeviceObject,
case IOCTL_AFD_SELECT:
KeAcquireSpinLock(&DeviceExt->Lock, &OldIrql);
CurrentEntry = DeviceExt->Polls.Flink;
while (CurrentEntry != &DeviceExt->Polls)
{
Poll = CONTAINING_RECORD(CurrentEntry, AFD_ACTIVE_POLL, ListEntry);
if (Irp == Poll->Irp)
CurrentEntry = DeviceExt->Polls.Flink;
while (CurrentEntry != &DeviceExt->Polls)
{
CleanupPendingIrp(FCB, Irp, IrpSp, Poll);
KeReleaseSpinLock(&DeviceExt->Lock, OldIrql);
SocketStateUnlock(FCB);
return;
}
else
{
CurrentEntry = CurrentEntry->Flink;
}
}
Poll = CONTAINING_RECORD(CurrentEntry, AFD_ACTIVE_POLL, ListEntry);
KeReleaseSpinLock(&DeviceExt->Lock, OldIrql);
if (Irp == Poll->Irp)
{
CleanupPendingIrp(FCB, Irp, IrpSp, Poll);
KeReleaseSpinLock(&DeviceExt->Lock, OldIrql);
SocketStateUnlock(FCB);
SocketStateUnlock(FCB);
DbgPrint("[AFD, AfdCancelHandler] Cancelled IRP\n");
return;
}
else
{
CurrentEntry = CurrentEntry->Flink;
}
}
KeReleaseSpinLock(&DeviceExt->Lock, OldIrql);
SocketStateUnlock(FCB);
DbgPrint("WARNING!!! IRP cancellation race could lead to a process hang! (IOCTL_AFD_SELECT)\n");
return;
DbgPrint("WARNING!!! IRP cancellation race could lead to a process hang! (IOCTL_AFD_SELECT)\n");
return;
default:
ASSERT(FALSE);
UnlockAndMaybeComplete(FCB, STATUS_CANCELLED, Irp, 0);
return;
ASSERT(FALSE);
UnlockAndMaybeComplete(FCB, STATUS_CANCELLED, Irp, 0);
return;
}
DbgPrint("[AFD, AfdCancelHandler] Cancelling MSAFD -> AFD IRPs\n");
/* Cancel IRPs from MSAFD to AFD (pending IRPs) */
CurrentEntry = FCB->PendingIrpList[Function].Flink;
while (CurrentEntry != &FCB->PendingIrpList[Function])
{

View file

@ -141,6 +141,7 @@ VOID KillSelectsForFCB( PAFD_DEVICE_EXTENSION DeviceExt,
UINT i;
AFD_DbgPrint(MID_TRACE,("Killing selects that refer to %x\n", FileObject));
DbgPrint("[AFD, KillSelectsForFCB] Called for FileObject->FsContext = 0x%x\n", FileObject->FsContext);
KeAcquireSpinLock( &DeviceExt->Lock, &OldIrql );
@ -153,6 +154,8 @@ VOID KillSelectsForFCB( PAFD_DEVICE_EXTENSION DeviceExt,
PollReq = Irp->AssociatedIrp.SystemBuffer;
HandleArray = AFD_HANDLES(PollReq);
DbgPrint("[AFD, KillSelectsForFCB] killing select 0x%x\n", Poll);
for (i = 0; i < PollReq->HandleCount; i++)
{
AFD_DbgPrint(MAX_TRACE,("Req: %x, This %x\n",
@ -161,6 +164,7 @@ VOID KillSelectsForFCB( PAFD_DEVICE_EXTENSION DeviceExt,
if ((PVOID)HandleArray[i].Handle == FileObject &&
(!OnlyExclusive || (OnlyExclusive && Poll->Exclusive)) )
{
DbgPrint("[AFD, KillSelectsForFCB] Zeroing events and signaling socket\n");
ZeroEvents( PollReq->Handles, PollReq->HandleCount );
SignalSocket( Poll, NULL, PollReq, STATUS_CANCELLED );
}
@ -170,6 +174,7 @@ VOID KillSelectsForFCB( PAFD_DEVICE_EXTENSION DeviceExt,
KeReleaseSpinLock( &DeviceExt->Lock, OldIrql );
AFD_DbgPrint(MID_TRACE,("Done\n"));
DbgPrint("[AFD, KillSelectsForFCB] Leaving\n");
}
NTSTATUS
@ -191,6 +196,10 @@ AfdSelect( PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
PollReq->HandleCount,
(INT)(PollReq->Timeout.QuadPart)));
DbgPrint("[AFD, AfdSelect] Called. HandleCount = %d, Timeout = %d\n",
PollReq->HandleCount,
(INT)(PollReq->Timeout.QuadPart));
SET_AFD_HANDLES(PollReq,
LockHandles( PollReq->Handles, PollReq->HandleCount ));
@ -266,6 +275,8 @@ AfdSelect( PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
KeSetTimer( &Poll->Timer, PollReq->Timeout, &Poll->TimeoutDpc );
DbgPrint("[AFD, AfdSelect] Marking IRP with STATUS_PENDING\n");
Status = STATUS_PENDING;
IoMarkIrpPending( Irp );
(void)IoSetCancelRoutine(Irp, AfdCancelHandler);
@ -280,6 +291,7 @@ AfdSelect( PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
KeReleaseSpinLock( &DeviceExt->Lock, OldIrql );
AFD_DbgPrint(MID_TRACE,("Returning %x\n", Status));
DbgPrint("[AFD, AfdSelect] Leaving. Status = 0x%x\n", Status);
return Status;
}

View file

@ -1241,6 +1241,7 @@ NTSTATUS TdiSendDatagram(
}
NTSTATUS TdiDisconnect(
PIRP *Irp,
PFILE_OBJECT TransportObject,
PLARGE_INTEGER Time,
USHORT Flags,
@ -1250,10 +1251,6 @@ NTSTATUS TdiDisconnect(
PTDI_CONNECTION_INFORMATION RequestConnectionInfo,
PTDI_CONNECTION_INFORMATION ReturnConnectionInfo) {
PDEVICE_OBJECT DeviceObject;
KEVENT Event;
PIRP Irp;
KeInitializeEvent(&Event, NotificationEvent, FALSE);
if (!TransportObject) {
AFD_DbgPrint(MIN_TRACE, ("Bad transport object.\n"));
@ -1268,20 +1265,20 @@ NTSTATUS TdiDisconnect(
return STATUS_INVALID_PARAMETER;
}
Irp = TdiBuildInternalDeviceControlIrp
*Irp = TdiBuildInternalDeviceControlIrp
( TDI_DISCONNECT, /* Sub function */
DeviceObject, /* Device object */
TransportObject, /* File object */
&Event, /* Event */
NULL, /* Event */
Iosb ); /* Status */
if (!Irp) {
if (!*Irp) {
AFD_DbgPrint(MIN_TRACE, ("Insufficient resources.\n"));
return STATUS_INSUFFICIENT_RESOURCES;
}
TdiBuildDisconnect
(Irp, /* I/O Request Packet */
(*Irp, /* I/O Request Packet */
DeviceObject, /* Device object */
TransportObject, /* File object */
CompletionRoutine, /* Completion routine */
@ -1291,7 +1288,9 @@ NTSTATUS TdiDisconnect(
RequestConnectionInfo, /* Indication of who to disconnect */
ReturnConnectionInfo); /* Indication of who disconnected */
return TdiCall(Irp, DeviceObject, &Event, Iosb);
TdiCall(*Irp, DeviceObject, NULL, Iosb);
return STATUS_PENDING;
}
/* EOF */

View file

@ -168,11 +168,20 @@ SendComplete
break;
}
if (FCB->Send.Size - FCB->Send.BytesUsed != 0)
{
FCB->PollState |= AFD_EVENT_SEND;
FCB->PollStatus[FD_WRITE_BIT] = STATUS_SUCCESS;
PollReeval( FCB->DeviceExt, FCB->FileObject );
}
else
{
FCB->PollState &= ~AFD_EVENT_SEND;
}
/* Some data is still waiting */
if (FCB->Send.BytesUsed)
{
FCB->PollState &= ~AFD_EVENT_SEND;
Status = TdiSend( &FCB->SendIrp.InFlightRequest,
FCB->Connection.Object,
0,
@ -184,12 +193,6 @@ SendComplete
RetryDisconnectCompletion(FCB);
}
else
{
FCB->PollState |= AFD_EVENT_SEND;
FCB->PollStatus[FD_WRITE_BIT] = STATUS_SUCCESS;
PollReeval( FCB->DeviceExt, FCB->FileObject );
}
SocketStateUnlock( FCB );
@ -408,6 +411,7 @@ AfdConnectedSocketWriteData
}
else
{
FCB->PollState &= ~AFD_EVENT_SEND;
if (SendReq->AfdFlags & AFD_IMMEDIATE)
{
AFD_DbgPrint(MID_TRACE,("Nonblocking\n"));
@ -440,6 +444,17 @@ AfdConnectedSocketWriteData
Status, TotalBytesCopied));
}
if (SpaceAvail)
{
FCB->PollState |= AFD_EVENT_SEND;
FCB->PollStatus[FD_WRITE_BIT] = STATUS_SUCCESS;
PollReeval( FCB->DeviceExt, FCB->FileObject );
}
else
{
FCB->PollState &= ~AFD_EVENT_SEND;
}
RetryDisconnectCompletion(FCB);
return UnlockAndMaybeComplete(FCB, Status, Irp, TotalBytesCopied);

View file

@ -182,10 +182,12 @@ typedef struct _AFD_FCB {
PAFD_DEVICE_EXTENSION DeviceExt;
BOOLEAN DelayedAccept;
UINT ConnSeq;
USHORT DisconnectFlags;
BOOLEAN DisconnectPending;
PTRANSPORT_ADDRESS LocalAddress, RemoteAddress;
PTDI_CONNECTION_INFORMATION AddressFrom, ConnectInfo;
PTDI_CONNECTION_INFORMATION AddressFrom, ConnectCallInfo, ConnectReturnInfo;
AFD_TDI_OBJECT AddressFile, Connection;
AFD_IN_FLIGHT_REQUEST ConnectIrp, ListenIrp, ReceiveIrp, SendIrp;
AFD_IN_FLIGHT_REQUEST ConnectIrp, ListenIrp, ReceiveIrp, SendIrp, DisconnectIrp;
AFD_DATA_WINDOW Send, Recv;
KMUTEX Mutex;
PKEVENT EventSelect;

View file

@ -16,7 +16,8 @@ NTSTATUS TdiCloseDevice(HANDLE Handle,
PFILE_OBJECT FileObject);
NTSTATUS TdiDisconnect
( PFILE_OBJECT TransportObject,
( PIRP *Irp,
PFILE_OBJECT TransportObject,
PLARGE_INTEGER Time,
USHORT Flags,
PIO_STATUS_BLOCK Iosb,