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// <copyright>
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
namespace System.ServiceModel.Channels
{
using System;
using System.ComponentModel;
using System.Net.WebSockets;
using System.Runtime;
using System.Threading;
public sealed class WebSocketTransportSettings : IEquatable<WebSocketTransportSettings>
{
public const string ConnectionOpenedAction = "http://schemas.microsoft.com/2011/02/session/onopen";
public const string BinaryMessageReceivedAction = "http://schemas.microsoft.com/2011/02/websockets/onbinarymessage";
public const string TextMessageReceivedAction = "http://schemas.microsoft.com/2011/02/websockets/ontextmessage";
public const string SoapContentTypeHeader = "soap-content-type";
public const string BinaryEncoderTransferModeHeader = "microsoft-binary-transfer-mode";
internal const string WebSocketMethod = "WEBSOCKET";
internal const string SoapSubProtocol = "soap";
internal const string TransportUsageMethodName = "TransportUsage";
WebSocketTransportUsage transportUsage;
bool createNotificationOnConnection;
TimeSpan keepAliveInterval;
string subProtocol;
bool disablePayloadMasking;
int maxPendingConnections;
public WebSocketTransportSettings()
{
this.transportUsage = WebSocketDefaults.TransportUsage;
this.createNotificationOnConnection = WebSocketDefaults.CreateNotificationOnConnection;
this.keepAliveInterval = WebSocketDefaults.DefaultKeepAliveInterval;
this.subProtocol = WebSocketDefaults.SubProtocol;
this.disablePayloadMasking = WebSocketDefaults.DisablePayloadMasking;
this.maxPendingConnections = WebSocketDefaults.DefaultMaxPendingConnections;
}
WebSocketTransportSettings(WebSocketTransportSettings settings)
{
Fx.Assert(settings != null, "settings should not be null.");
this.TransportUsage = settings.TransportUsage;
this.SubProtocol = settings.SubProtocol;
this.KeepAliveInterval = settings.KeepAliveInterval;
this.DisablePayloadMasking = settings.DisablePayloadMasking;
this.CreateNotificationOnConnection = settings.CreateNotificationOnConnection;
this.MaxPendingConnections = settings.MaxPendingConnections;
}
[DefaultValue(WebSocketDefaults.TransportUsage)]
public WebSocketTransportUsage TransportUsage
{
get
{
return this.transportUsage;
}
set
{
WebSocketTransportUsageHelper.Validate(value);
this.transportUsage = value;
}
}
[DefaultValue(WebSocketDefaults.CreateNotificationOnConnection)]
public bool CreateNotificationOnConnection
{
get
{
return this.createNotificationOnConnection;
}
set
{
this.createNotificationOnConnection = value;
}
}
[DefaultValue(typeof(TimeSpan), WebSocketDefaults.DefaultKeepAliveIntervalString)]
public TimeSpan KeepAliveInterval
{
get
{
return this.keepAliveInterval;
}
set
{
if (value < TimeSpan.Zero && value != Timeout.InfiniteTimeSpan)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(
"value",
value,
SR.GetString(SR.SFxTimeoutOutOfRange0)));
}
if (TimeoutHelper.IsTooLarge(value))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(
"value",
value,
SR.GetString(SR.SFxTimeoutOutOfRangeTooBig)));
}
this.keepAliveInterval = value;
}
}
[DefaultValue(WebSocketDefaults.SubProtocol)]
public string SubProtocol
{
get
{
return this.subProtocol;
}
set
{
if (value != null)
{
if (value == string.Empty)
{
throw FxTrace.Exception.Argument("value", SR.GetString(SR.WebSocketInvalidProtocolEmptySubprotocolString));
}
if (value.Split(WebSocketHelper.ProtocolSeparators).Length > 1)
{
throw FxTrace.Exception.Argument("value", SR.GetString(SR.WebSocketInvalidProtocolContainsMultipleSubProtocolString, value));
}
string invalidChar;
if (WebSocketHelper.IsSubProtocolInvalid(value, out invalidChar))
{
throw FxTrace.Exception.Argument("value", SR.GetString(SR.WebSocketInvalidProtocolInvalidCharInProtocolString, value, invalidChar));
}
}
this.subProtocol = value;
}
}
[DefaultValue(WebSocketDefaults.DisablePayloadMasking)]
public bool DisablePayloadMasking
{
get
{
return this.disablePayloadMasking;
}
set
{
this.disablePayloadMasking = value;
}
}
[DefaultValue(WebSocketDefaults.DefaultMaxPendingConnections)]
public int MaxPendingConnections
{
get
{
return this.maxPendingConnections;
}
set
{
if (value < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(
"value",
value,
SR.GetString(SR.ValueMustBePositive)));
}
this.maxPendingConnections = value;
}
}
public bool Equals(WebSocketTransportSettings other)
{
if (other == null)
{
return false;
}
return this.TransportUsage == other.TransportUsage
&& this.CreateNotificationOnConnection == other.CreateNotificationOnConnection
&& this.KeepAliveInterval == other.KeepAliveInterval
&& this.DisablePayloadMasking == other.DisablePayloadMasking
&& StringComparer.OrdinalIgnoreCase.Compare(this.SubProtocol, other.SubProtocol) == 0
&& this.MaxPendingConnections == other.MaxPendingConnections;
}
public override bool Equals(object obj)
{
if (obj == null)
{
return base.Equals(obj);
}
WebSocketTransportSettings settings = obj as WebSocketTransportSettings;
return this.Equals(settings);
}
public override int GetHashCode()
{
int hashcode = this.TransportUsage.GetHashCode()
^ this.CreateNotificationOnConnection.GetHashCode()
^ this.KeepAliveInterval.GetHashCode()
^ this.DisablePayloadMasking.GetHashCode()
^ this.MaxPendingConnections.GetHashCode();
if (this.SubProtocol != null)
{
hashcode ^= this.SubProtocol.ToLowerInvariant().GetHashCode();
}
return hashcode;
}
internal WebSocketTransportSettings Clone()
{
return new WebSocketTransportSettings(this);
}
internal TimeSpan GetEffectiveKeepAliveInterval()
{
return this.keepAliveInterval == TimeSpan.Zero ? WebSocket.DefaultKeepAliveInterval : this.keepAliveInterval;
}
}
}
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