#include "tdiconn.h"
#include "debug.h"
-static NTSTATUS RefillSocketBuffer( PAFD_FCB FCB ) {
- NTSTATUS Status = STATUS_PENDING;
+static VOID HandleEOFOnIrp( PAFD_FCB FCB, NTSTATUS Status, ULONG_PTR Information )
+{
+ if( ( Status == STATUS_SUCCESS && !FCB->ReceiveIrp.Iosb.Information ) ||
+ ( !NT_SUCCESS( Status ) ) )
+ {
+ /* The socket has been closed */
+ FCB->PollState |= AFD_EVENT_DISCONNECT;
+ FCB->PollStatus[FD_CLOSE_BIT] = Status;
+
+ PollReeval( FCB->DeviceExt, FCB->FileObject );
+ }
+}
+
+static BOOLEAN CantReadMore( PAFD_FCB FCB ) {
+ UINT BytesAvailable = FCB->Recv.Content - FCB->Recv.BytesUsed;
+
+ return !BytesAvailable &&
+ (FCB->PollState & (AFD_EVENT_CLOSE | AFD_EVENT_DISCONNECT));
+}
+
+static VOID RefillSocketBuffer( PAFD_FCB FCB ) {
+ NTSTATUS Status;
if( !FCB->ReceiveIrp.InFlightRequest ) {
AFD_DbgPrint(MID_TRACE,("Replenishing buffer\n"));
ReceiveComplete,
FCB );
- if( ( Status == STATUS_SUCCESS && !FCB->ReceiveIrp.Iosb.Information ) ||
- ( !NT_SUCCESS( Status ) ) )
- {
- /* The socket has been closed */
- FCB->PollState |= AFD_EVENT_DISCONNECT;
- FCB->PollStatus[FD_CLOSE_BIT] = Status;
- FCB->Overread = TRUE;
- Status = STATUS_FILE_CLOSED;
- }
- else if( Status == STATUS_SUCCESS )
+ if( Status == STATUS_SUCCESS && FCB->ReceiveIrp.Iosb.Information )
{
FCB->Recv.Content = FCB->ReceiveIrp.Iosb.Information;
FCB->PollState |= AFD_EVENT_RECEIVE;
FCB->PollStatus[FD_READ_BIT] = STATUS_SUCCESS;
+
+ PollReeval( FCB->DeviceExt, FCB->FileObject );
}
- PollReeval( FCB->DeviceExt, FCB->FileObject );
+ else
+ {
+ /* Check for EOF */
+ HandleEOFOnIrp(FCB, Status, FCB->ReceiveIrp.Iosb.Information);
+ }
}
-
- return Status;
}
static NTSTATUS TryToSatisfyRecvRequestFromBuffer( PAFD_FCB FCB,
BytesAvailable =
FCB->Recv.Content - FCB->Recv.BytesUsed;
PAFD_MAPBUF Map;
- NTSTATUS Status;
*TotalBytesCopied = 0;
AFD_DbgPrint(MID_TRACE,("Called, BytesAvailable = %d\n",
BytesAvailable));
- if( FCB->Overread ) return STATUS_FILE_CLOSED;
- if( !BytesAvailable ) {
- FCB->Recv.Content = FCB->Recv.BytesUsed = 0;
- Status = RefillSocketBuffer( FCB );
- if ( Status != STATUS_SUCCESS )
- return Status;
-
- /* If RefillSocketBuffer returns STATUS_SUCCESS, we're good to go
- * If RefillSocketBuffer returns STATUS_PENDING, then it's waiting on the transport for data
- * If RefillSocketBuffer returns STATUS_FILE_CLOSED, then the connection was terminated
- */
-
- /* Recalculate BytesAvailable based on new data */
- BytesAvailable = FCB->Recv.Content - FCB->Recv.BytesUsed;
- ASSERT(BytesAvailable);
- }
+ if( CantReadMore(FCB) ) return STATUS_SUCCESS;
+ if( !BytesAvailable ) return STATUS_PENDING;
Map = (PAFD_MAPBUF)(RecvReq->BufferArray + RecvReq->BufferCount);
AFD_DbgPrint(MID_TRACE,("FCB %x Receive data waiting %d\n",
FCB, FCB->Recv.Content));
- /* Try to clear some requests */
- while( !IsListEmpty( &FCB->PendingIrpList[FUNCTION_RECV] ) ) {
- NextIrpEntry = RemoveHeadList(&FCB->PendingIrpList[FUNCTION_RECV]);
- NextIrp = CONTAINING_RECORD(NextIrpEntry, IRP, Tail.Overlay.ListEntry);
- NextIrpSp = IoGetCurrentIrpStackLocation( NextIrp );
- RecvReq = NextIrpSp->Parameters.DeviceIoControl.Type3InputBuffer;
-
- AFD_DbgPrint(MID_TRACE,("RecvReq @ %x\n", RecvReq));
-
- Status = TryToSatisfyRecvRequestFromBuffer( FCB, RecvReq, &TotalBytesCopied );
-
- if( Status == STATUS_PENDING ) {
- AFD_DbgPrint(MID_TRACE,("Ran out of data for %x\n", NextIrp));
- InsertHeadList(&FCB->PendingIrpList[FUNCTION_RECV],
- &NextIrp->Tail.Overlay.ListEntry);
- break;
- } else {
- AFD_DbgPrint(MID_TRACE,("Completing recv %x (%d)\n", NextIrp,
- TotalBytesCopied));
- UnlockBuffers( RecvReq->BufferArray,
- RecvReq->BufferCount, FALSE );
- NextIrp->IoStatus.Status = Status;
- NextIrp->IoStatus.Information = TotalBytesCopied;
- if( NextIrp == Irp ) {
- RetStatus = Status;
- RetBytesCopied = TotalBytesCopied;
+ if( CantReadMore( FCB ) ) {
+ /* Success here means that we got an EOF. Complete a pending read
+ * with zero bytes if we haven't yet overread, then kill the others.
+ */
+ while( !IsListEmpty( &FCB->PendingIrpList[FUNCTION_RECV] ) ) {
+ NextIrpEntry =
+ RemoveHeadList(&FCB->PendingIrpList[FUNCTION_RECV]);
+ NextIrp =
+ CONTAINING_RECORD(NextIrpEntry, IRP, Tail.Overlay.ListEntry);
+ NextIrpSp = IoGetCurrentIrpStackLocation( NextIrp );
+ RecvReq = NextIrpSp->Parameters.DeviceIoControl.Type3InputBuffer;
+
+ AFD_DbgPrint(MID_TRACE,("Completing recv %x (%d)\n", NextIrp,
+ TotalBytesCopied));
+ UnlockBuffers( RecvReq->BufferArray,
+ RecvReq->BufferCount, FALSE );
+ Status = NextIrp->IoStatus.Status =
+ FCB->Overread ? STATUS_END_OF_FILE : STATUS_SUCCESS;
+ NextIrp->IoStatus.Information = 0;
+ if( NextIrp == Irp ) RetStatus = Status;
+ if( NextIrp->MdlAddress ) UnlockRequest( NextIrp, IoGetCurrentIrpStackLocation( NextIrp ) );
+ (void)IoSetCancelRoutine(NextIrp, NULL);
+ IoCompleteRequest( NextIrp, IO_NETWORK_INCREMENT );
+ FCB->Overread = TRUE;
+ }
+ } else {
+ /* Kick the user that receive would be possible now */
+ /* XXX Not implemented yet */
+
+ AFD_DbgPrint(MID_TRACE,("FCB %x Receive data waiting %d\n",
+ FCB, FCB->Recv.Content));
+ /*OskitDumpBuffer( FCB->Recv.Window, FCB->Recv.Content );*/
+
+ /* Try to clear some requests */
+ while( !IsListEmpty( &FCB->PendingIrpList[FUNCTION_RECV] ) ) {
+ NextIrpEntry =
+ RemoveHeadList(&FCB->PendingIrpList[FUNCTION_RECV]);
+ NextIrp =
+ CONTAINING_RECORD(NextIrpEntry, IRP, Tail.Overlay.ListEntry);
+ NextIrpSp = IoGetCurrentIrpStackLocation( NextIrp );
+ RecvReq = NextIrpSp->Parameters.DeviceIoControl.Type3InputBuffer;
+
+ AFD_DbgPrint(MID_TRACE,("RecvReq @ %x\n", RecvReq));
+
+ Status = TryToSatisfyRecvRequestFromBuffer
+ ( FCB, RecvReq, &TotalBytesCopied );
+
+ if( Status == STATUS_PENDING ) {
+ AFD_DbgPrint(MID_TRACE,("Ran out of data for %x\n", NextIrp));
+ InsertHeadList(&FCB->PendingIrpList[FUNCTION_RECV],
+ &NextIrp->Tail.Overlay.ListEntry);
+ break;
+ } else {
+ AFD_DbgPrint(MID_TRACE,("Completing recv %x (%d)\n", NextIrp,
+ TotalBytesCopied));
+ UnlockBuffers( RecvReq->BufferArray,
+ RecvReq->BufferCount, FALSE );
+ NextIrp->IoStatus.Status = Status;
+ NextIrp->IoStatus.Information = TotalBytesCopied;
+ if( NextIrp == Irp ) {
+ RetStatus = Status;
+ RetBytesCopied = TotalBytesCopied;
+ }
+ if( NextIrp->MdlAddress ) UnlockRequest( NextIrp, IoGetCurrentIrpStackLocation( NextIrp ) );
+ (void)IoSetCancelRoutine(NextIrp, NULL);
+ IoCompleteRequest( NextIrp, IO_NETWORK_INCREMENT );
+ }
}
- if( NextIrp->MdlAddress ) UnlockRequest( NextIrp, IoGetCurrentIrpStackLocation( NextIrp ) );
- (void)IoSetCancelRoutine(NextIrp, NULL);
- IoCompleteRequest( NextIrp, IO_NETWORK_INCREMENT );
- }
}
if( FCB->Recv.Content ) {
SocketStateUnlock( FCB );
return STATUS_INVALID_PARAMETER;
}
+
+ HandleEOFOnIrp( FCB, Irp->IoStatus.Status, Irp->IoStatus.Information );
ReceiveActivity( FCB, NULL );
projects / reactos.git / blobdiff