99 lines
3.6 KiB
C#
99 lines
3.6 KiB
C#
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////////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: SocketException.cs
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//
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namespace System.Net.Sockets {
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using System;
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using NetStack.Contracts;
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public class SocketException : Exception {
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SocketErrors _socketError;
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public SocketException(int socketError)
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: this((SocketErrors)socketError)
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{
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}
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public SocketException(SocketErrors socketError)
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: this(socketError, String.Format("SocketError: {0}", socketError.ToString()))
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{
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}
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internal SocketException(SocketErrors socketError, string message)
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: base(message)
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{
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_socketError = socketError;
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}
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public SocketErrors ErrorCode {
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get { return _socketError; }
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}
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}
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public class TcpException : SocketException
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{
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public TcpException(TcpError error, string message)
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: base(GetSocketErrorForTcpError(error), message)
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{
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_tcpError = error;
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}
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public TcpException(TcpError error)
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: this(error, GetMessageForTcpError(error))
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{
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}
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readonly TcpError _tcpError;
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public TcpError TcpError
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{
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get { return _tcpError; }
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}
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public static SocketErrors GetSocketErrorForTcpError(TcpError error)
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{
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switch (error)
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{
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// These are defined in Contracts\NetStack.Contracts\TcpConnectionContract.sg.
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case TcpError.Unknown: return SocketErrors.SocketError;
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case TcpError.AlreadyConnected: return SocketErrors.WSAEISCONN;
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case TcpError.Refused: return SocketErrors.WSAECONNREFUSED;
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case TcpError.Reset: return SocketErrors.WSAECONNRESET;
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case TcpError.Timeout: return SocketErrors.WSAETIMEDOUT;
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case TcpError.ProtocolViolation: return SocketErrors.WSAECONNRESET;
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case TcpError.ResourcesExhausted: return SocketErrors.SocketError;
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case TcpError.Closed: return SocketErrors.WSAEDISCON;
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default:
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return SocketErrors.SocketError;
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}
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}
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public static string GetMessageForTcpError(TcpError error)
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{
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switch (error)
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{
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// These are defined in Contracts\NetStack.Contracts\TcpConnectionContract.sg.
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case TcpError.Unknown: return "Unknown error";
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case TcpError.AlreadyConnected: return "The connection is already in use.";
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case TcpError.Refused: return "The remote host actively refused the connection.";
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case TcpError.Reset: return "The connection was reset by the peer.";
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case TcpError.Timeout: return "No response was received.";
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case TcpError.ProtocolViolation: return "An invalid packet was received from the peer.";
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case TcpError.ResourcesExhausted: return "Insufficient resources.";
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case TcpError.Closed: return "The TCP connection has been closed.";
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default:
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return String.Format("Unknown TcpError code ({0}).", ((int)error).ToString());
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}
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}
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}
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} // namespace System.Net
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