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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
using System.Security.Principal;
namespace System.ServiceModel.Channels
{
[SupportedOSPlatform("windows")]
public class NamedPipeTransportBindingElement : ConnectionOrientedTransportBindingElement
{
private readonly List<SecurityIdentifier> _allowedUsers = new List<SecurityIdentifier>();
private readonly NamedPipeConnectionPoolSettings _connectionPoolSettings = new NamedPipeConnectionPoolSettings();
public NamedPipeTransportBindingElement() : base()
{
if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
throw ExceptionHelper.PlatformNotSupported(SR.Format(SR.PlatformNotSupported_NetNamedPipe));
}
}
protected NamedPipeTransportBindingElement(NamedPipeTransportBindingElement elementToBeCloned)
: base(elementToBeCloned)
{
if (elementToBeCloned._allowedUsers != null)
{
foreach (SecurityIdentifier id in elementToBeCloned._allowedUsers)
{
_allowedUsers.Add(id);
}
}
_connectionPoolSettings = elementToBeCloned._connectionPoolSettings.Clone();
}
public NamedPipeConnectionPoolSettings ConnectionPoolSettings
{
get { return _connectionPoolSettings; }
}
public override string Scheme
{
get { return Uri.UriSchemeNetPipe; }
}
public override BindingElement Clone()
{
return new NamedPipeTransportBindingElement(this);
}
public override IChannelFactory<TChannel> BuildChannelFactory<TChannel>(BindingContext context)
{
if (context == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(context));
}
if (!CanBuildChannelFactory<TChannel>(context))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(nameof(TChannel), SR.Format(SR.ChannelTypeNotSupported, typeof(TChannel)));
}
return (IChannelFactory<TChannel>)(object)new NamedPipeChannelFactory<TChannel>(this, context);
}
public override T GetProperty<T>(BindingContext context)
{
if (context == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(context));
}
if (typeof(T) == typeof(IBindingDeliveryCapabilities))
{
return (T)(object)new BindingDeliveryCapabilitiesHelper();
}
else
{
return base.GetProperty<T>(context);
}
}
private class BindingDeliveryCapabilitiesHelper : IBindingDeliveryCapabilities
{
internal BindingDeliveryCapabilitiesHelper()
{
}
bool IBindingDeliveryCapabilities.AssuresOrderedDelivery
{
get { return true; }
}
bool IBindingDeliveryCapabilities.QueuedDelivery
{
get { return false; }
}
}
}
}
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