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using System;
using System.Text;
namespace SocketHttpListener
{
/// <summary>
/// Contains the event data associated with a <see cref="WebSocket.OnClose"/> event.
/// </summary>
/// <remarks>
/// A <see cref="WebSocket.OnClose"/> event occurs when the WebSocket connection has been closed.
/// If you would like to get the reason for the close, you should access the <see cref="Code"/> or
/// <see cref="Reason"/> property.
/// </remarks>
public class CloseEventArgs : EventArgs
{
#region Private Fields
private bool _clean;
private ushort _code;
private string _reason;
#endregion
#region Internal Constructors
internal CloseEventArgs (PayloadData payload)
{
var data = payload.ApplicationData;
var len = data.Length;
_code = len > 1
? data.SubArray (0, 2).ToUInt16 (ByteOrder.Big)
: (ushort) CloseStatusCode.NoStatusCode;
_reason = len > 2
? GetUtf8String(data.SubArray (2, len - 2))
: String.Empty;
}
private string GetUtf8String(byte[] bytes)
{
return Encoding.UTF8.GetString(bytes, 0, bytes.Length);
}
#endregion
#region Public Properties
/// <summary>
/// Gets the status code for the close.
/// </summary>
/// <value>
/// A <see cref="ushort"/> that represents the status code for the close if any.
/// </value>
public ushort Code {
get {
return _code;
}
}
/// <summary>
/// Gets the reason for the close.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the reason for the close if any.
/// </value>
public string Reason {
get {
return _reason;
}
}
/// <summary>
/// Gets a value indicating whether the WebSocket connection has been closed cleanly.
/// </summary>
/// <value>
/// <c>true</c> if the WebSocket connection has been closed cleanly; otherwise, <c>false</c>.
/// </value>
public bool WasClean {
get {
return _clean;
}
internal set {
_clean = value;
}
}
#endregion
}
}
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