reactos/drivers/fs/np/fsctrl.c

   1 /* $Id: fsctrl.c,v 1.4 2001/06/12 12:35:04 ekohl Exp $
   2  *
   3  * COPYRIGHT:  See COPYING in the top level directory
   4  * PROJECT:    ReactOS kernel
   5  * FILE:       services/fs/np/fsctrl.c
   6  * PURPOSE:    Named pipe filesystem
   7  * PROGRAMMER: David Welch <welch@cwcom.net>
   8  *             Eric Kohl <ekohl@rz-online.de>
   9  */
  10
  11 /* INCLUDES ******************************************************************/
  12
  13 #include <ddk/ntddk.h>
  14 #include "npfs.h"
  15
  16 //#define NDEBUG
  17 #include <debug.h>
  18
  19
  20 /* FUNCTIONS *****************************************************************/
  21
  22 static NTSTATUS
  23 NpfsConnectPipe(PNPFS_FCB Fcb)
  24 {
  25    NTSTATUS Status;
  26
  27    DPRINT("Waiting for connection...\n");
  28
  29    Status = KeWaitForSingleObject(&Fcb->ConnectEvent,
  30                                   UserRequest,
  31                                   KernelMode,
  32                                   FALSE,
  33                                   NULL);
  34
  35    DPRINT("Finished waiting! Status: %x\n", Status);
  36
  37    DPRINT("Client Fcb: %p\n", Fcb->OtherSide);
  38
  39
  40    return STATUS_SUCCESS;
  41 }
  42
  43
  44 static NTSTATUS
  45 NpfsDisconnectPipe(PNPFS_FCB Fcb)
  46 {
  47
  48    return STATUS_SUCCESS;
  49 }
  50
  51
  52 static NTSTATUS
  53 NpfsWaitPipe(PNPFS_FCB Fcb)
  54 {
  55
  56    return STATUS_SUCCESS;
  57 }
  58
  59
  60 NTSTATUS STDCALL
  61 NpfsFileSystemControl(PDEVICE_OBJECT DeviceObject,
  62                       PIRP Irp)
  63 {
  64    PIO_STACK_LOCATION IoStack;
  65    PFILE_OBJECT FileObject;
  66    NTSTATUS Status;
  67    PNPFS_DEVICE_EXTENSION DeviceExt;
  68    PNPFS_PIPE Pipe;
  69    PNPFS_FCB Fcb;
  70
  71    DPRINT("NpfsFileSystemContol(DeviceObject %p Irp %p)\n", DeviceObject, Irp);
  72
  73    DeviceExt = (PNPFS_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
  74    IoStack = IoGetCurrentIrpStackLocation(Irp);
  75    FileObject = IoStack->FileObject;
  76    DPRINT("FileObject: %p\n", FileObject);
  77    Fcb = FileObject->FsContext;
  78    Pipe = Fcb->Pipe;
  79
  80    switch (IoStack->Parameters.FileSystemControl.IoControlCode)
  81      {
  82       case FSCTL_PIPE_LISTEN:
  83         DPRINT("Connecting pipe %wZ\n", &Pipe->PipeName);
  84         Status = NpfsConnectPipe(Fcb);
  85         break;
  86
  87       case FSCTL_PIPE_DISCONNECT:
  88         DPRINT("Disconnecting pipe %wZ\n", &Pipe->PipeName);
  89         Status = NpfsDisconnectPipe(Fcb);
  90         break;
  91
  92       case FSCTL_PIPE_WAIT:
  93         DPRINT("Waiting for pipe %wZ\n", &Pipe->PipeName);
  94         Status = NpfsWaitPipe(Fcb);
  95         break;
  96
  97       default:
  98         DPRINT("IoControlCode: %x\n", IoStack->Parameters.FileSystemControl.IoControlCode)
  99         Status = STATUS_UNSUCCESSFUL;
 100      }
 101
 102    Irp->IoStatus.Status = Status;
 103    Irp->IoStatus.Information = 0;
 104
 105    IoCompleteRequest(Irp, IO_NO_INCREMENT);
 106
 107    return(Status);
 108 }
 109
 110 /* EOF */