mcs/class/System/System.Net.Sockets/SendPacketsElement.cs

   1 // System.Net.Sockets.SocketAsyncEventArgs.cs
   2 //
   3 // Authors:
   4 //      Marek Habersack (mhabersack@novell.com)
   5 //
   6 // Copyright (c) 2008 Novell, Inc. (http://www.novell.com)
   7 //
   8
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29 using System;
  30
  31 namespace System.Net.Sockets
  32 {
  33         public class SendPacketsElement
  34         {
  35                 public byte[] Buffer { get; private set; }
  36                 public int Count { get; private set; }
  37                 public bool EndOfPacket { get; private set; }
  38                 public string FilePath { get; private set; }
  39                 public int Offset { get; private set; }
  40
  41                 public SendPacketsElement (byte[] buffer) : this (buffer, 0, buffer != null ? buffer.Length : 0)
  42                 {
  43                 }
  44
  45                 public SendPacketsElement (byte[] buffer, int offset, int count) : this (buffer, offset, count, false)
  46                 {
  47                 }
  48
  49                 public SendPacketsElement (byte[] buffer, int offset, int count, bool endOfPacket)
  50                 {
  51                         if (buffer == null)
  52                                 throw new ArgumentNullException ("buffer");
  53
  54                         int buflen = buffer.Length;
  55                         if (offset < 0 || offset >= buflen)
  56                                 throw new ArgumentOutOfRangeException ("offset");
  57
  58                         if (count < 0 || offset + count >= buflen)
  59                                 throw new ArgumentOutOfRangeException ("count");
  60
  61                         Buffer = buffer;
  62                         Offset = offset;
  63                         Count = count;
  64                         EndOfPacket = endOfPacket;
  65                         FilePath = null;
  66                 }
  67
  68                 public SendPacketsElement (string filepath) : this (filepath, 0, 0, false)
  69                 {
  70                 }
  71
  72                 public SendPacketsElement (string filepath, int offset, int count) : this (filepath, offset, count, false)
  73                 {
  74                 }
  75
  76                 // LAME SPEC: only ArgumentNullException for filepath is thrown
  77                 public SendPacketsElement (string filepath, int offset, int count, bool endOfPacket)
  78                 {
  79                         if (filepath == null)
  80                                 throw new ArgumentNullException ("filepath");
  81
  82                         Buffer = null;
  83                         Offset = offset;
  84                         Count = count;
  85                         EndOfPacket = endOfPacket;
  86                         FilePath = filepath;
  87                 }
  88         }
  89 }