class/System.Core/System.IO.Pipes/AnonymousPipeServerStream.cs

   1 //
   2 // AnonymousPipeServerStream.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2009 Novell, Inc.  http://www.novell.com
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 #if !BOOTSTRAP_BASIC
  30
  31 using System;
  32 using System.Globalization;
  33 using System.IO;
  34 using System.Linq;
  35 using System.Security.AccessControl;
  36 using System.Security.Permissions;
  37 using System.Security.Principal;
  38 using Microsoft.Win32.SafeHandles;
  39
  40 namespace System.IO.Pipes
  41 {
  42         [MonoTODO ("Anonymous pipes are not working even on win32, due to some access authorization issue")]
  43         [HostProtection (SecurityAction.LinkDemand, MayLeakOnAbort = true)]
  44         public sealed class AnonymousPipeServerStream : PipeStream
  45         {
  46                 public AnonymousPipeServerStream ()
  47                         : this (PipeDirection.Out)
  48                 {
  49                 }
  50
  51                 public AnonymousPipeServerStream (PipeDirection direction)
  52                         : this (direction, HandleInheritability.None)
  53                 {
  54                 }
  55
  56                 public AnonymousPipeServerStream (PipeDirection direction, HandleInheritability inheritability)
  57                         : this (direction, inheritability, DefaultBufferSize)
  58                 {
  59                 }
  60
  61                 public AnonymousPipeServerStream (PipeDirection direction, HandleInheritability inheritability, int bufferSize)
  62                         : this (direction, inheritability, bufferSize, null)
  63                 {
  64                 }
  65
  66                 public AnonymousPipeServerStream (PipeDirection direction, HandleInheritability inheritability, int bufferSize, PipeSecurity pipeSecurity)
  67                         : base (direction, bufferSize)
  68                 {
  69                         if (pipeSecurity != null)
  70                                 throw ThrowACLException ();
  71
  72                         if (direction == PipeDirection.InOut)
  73                                 throw new NotSupportedException ("Anonymous pipe direction can only be either in or out.");
  74
  75                         if (IsWindows)
  76                                 impl = new Win32AnonymousPipeServer (this,direction, inheritability, bufferSize);
  77                         else
  78                                 impl = new UnixAnonymousPipeServer (this,direction, inheritability, bufferSize);
  79
  80                         InitializeHandle (impl.Handle, false, false);
  81                         IsConnected = true;
  82                 }
  83
  84                 [MonoTODO]
  85                 public AnonymousPipeServerStream (PipeDirection direction, SafePipeHandle serverSafePipeHandle, SafePipeHandle clientSafePipeHandle)
  86                         : base (direction, DefaultBufferSize)
  87                 {
  88                         if (serverSafePipeHandle == null)
  89                                 throw new ArgumentNullException ("serverSafePipeHandle");
  90                         if (clientSafePipeHandle == null)
  91                                 throw new ArgumentNullException ("clientSafePipeHandle");
  92
  93                         if (direction == PipeDirection.InOut)
  94                                 throw new NotSupportedException ("Anonymous pipe direction can only be either in or out.");
  95
  96                         if (IsWindows)
  97                                 impl = new Win32AnonymousPipeServer (this, serverSafePipeHandle, clientSafePipeHandle);
  98                         else
  99                                 impl = new UnixAnonymousPipeServer (this, serverSafePipeHandle, clientSafePipeHandle);
 100
 101                         InitializeHandle (serverSafePipeHandle, true, false);
 102                         IsConnected = true;
 103
 104                         ClientSafePipeHandle = clientSafePipeHandle;
 105                 }
 106
 107                 IAnonymousPipeServer impl;
 108
 109                 [MonoTODO]
 110                 public SafePipeHandle ClientSafePipeHandle { get; private set; }
 111
 112                 public override PipeTransmissionMode ReadMode {
 113                         set {
 114                                 if (value == PipeTransmissionMode.Message)
 115                                         throw new NotSupportedException ();
 116                         }
 117                 }
 118
 119                 public override PipeTransmissionMode TransmissionMode {
 120                         get { return PipeTransmissionMode.Byte; }
 121                 }
 122
 123                 [MonoTODO]
 124                 public void DisposeLocalCopyOfClientHandle ()
 125                 {
 126                         impl.DisposeLocalCopyOfClientHandle ();
 127                 }
 128
 129                 public string GetClientHandleAsString ()
 130                 {
 131                         // We use int64 for safety.
 132                         return impl.Handle.DangerousGetHandle ().ToInt64 ().ToString (NumberFormatInfo.InvariantInfo);
 133                 }
 134         }
 135 }
 136
 137 #endif