mcs/class/System.Core/System.IO.Pipes/AnonymousPipeClientStream.cs

   1 //
   2 // AnonymousPipeClientStream.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 using System;
  29 using System.Globalization;
  30 using System.IO;
  31 using System.Linq;
  32 using System.Security.AccessControl;
  33 using System.Security.Permissions;
  34 using System.Security.Principal;
  35 using Microsoft.Win32.SafeHandles;
  36
  37 namespace System.IO.Pipes
  38 {
  39         [MonoTODO ("Anonymous pipes are not working even on win32, due to some access authorization issue")]
  40         [HostProtection (SecurityAction.LinkDemand, MayLeakOnAbort = true)]
  41         public sealed class AnonymousPipeClientStream : PipeStream
  42         {
  43                 static SafePipeHandle ToSafePipeHandle (string pipeHandleAsString)
  44                 {
  45                         if (pipeHandleAsString == null)
  46                                 throw new ArgumentNullException ("pipeHandleAsString");
  47                         // We use int64 for safety
  48                         return new SafePipeHandle (new IntPtr (long.Parse (pipeHandleAsString, NumberFormatInfo.InvariantInfo)), false);
  49                 }
  50
  51                 //IAnonymousPipeClient impl;
  52
  53                 public AnonymousPipeClientStream (string pipeHandleAsString)
  54                         : this (PipeDirection.In, pipeHandleAsString)
  55                 {
  56                 }
  57
  58                 public AnonymousPipeClientStream (PipeDirection direction, string pipeHandleAsString)
  59                         : this (direction, ToSafePipeHandle (pipeHandleAsString))
  60                 {
  61                 }
  62
  63                 public AnonymousPipeClientStream (PipeDirection direction,SafePipeHandle safePipeHandle)
  64                         : base (direction, DefaultBufferSize)
  65                 {
  66                         /*
  67                         if (IsWindows)
  68                                 impl = new Win32AnonymousPipeClient (this, safePipeHandle);
  69                         else
  70                                 impl = new UnixAnonymousPipeClient (this, safePipeHandle);
  71                         */
  72
  73                         InitializeHandle (safePipeHandle, false, false);
  74                         IsConnected = true;
  75                 }
  76
  77                 public override PipeTransmissionMode ReadMode {
  78                         set {
  79                                 if (value == PipeTransmissionMode.Message)
  80                                         throw new NotSupportedException ();
  81                         }
  82                 }
  83
  84                 public override PipeTransmissionMode TransmissionMode {
  85                         get { return PipeTransmissionMode.Byte; }
  86                 }
  87         }
  88 }