82 lines
2.8 KiB
C#
82 lines
2.8 KiB
C#
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// <copyright>
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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namespace System.ServiceModel.Channels
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{
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using System;
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using System.Diagnostics;
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using System.Runtime;
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using System.ServiceModel;
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using System.ServiceModel.Diagnostics;
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internal class UdpRequestContext : RequestContextBase
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{
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private NetworkInterfaceMessageProperty networkInterfaceMessageProperty;
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private UdpOutputChannel outputChannel;
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private Uri via;
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public UdpRequestContext(UdpOutputChannel outputChannel, Message requestMessage)
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: base(requestMessage, outputChannel.InternalCloseTimeout, outputChannel.InternalSendTimeout)
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{
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Fx.Assert(outputChannel != null, "replyChannel can't be null");
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this.outputChannel = outputChannel;
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if (!NetworkInterfaceMessageProperty.TryGet(requestMessage, out this.networkInterfaceMessageProperty))
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{
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Fx.Assert("requestMessage must always contain NetworkInterfaceMessageProperty");
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}
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RemoteEndpointMessageProperty remoteEndpointMessageProperty;
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if (!requestMessage.Properties.TryGetValue(RemoteEndpointMessageProperty.Name, out remoteEndpointMessageProperty))
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{
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Fx.Assert("requestMessage must always contain RemoteEndpointMessageProperty");
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}
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UriBuilder uriBuilder = new UriBuilder(UdpConstants.Scheme, remoteEndpointMessageProperty.Address, remoteEndpointMessageProperty.Port);
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this.via = uriBuilder.Uri;
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}
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protected override void OnAbort()
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{
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}
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protected override IAsyncResult OnBeginReply(Message message, TimeSpan timeout, AsyncCallback callback, object state)
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{
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if (message != null)
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{
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this.SetAddressingInformation(message);
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return this.outputChannel.BeginSend(message, timeout, callback, state);
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}
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else
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{
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return new CompletedAsyncResult(callback, state);
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}
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}
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protected override void OnClose(TimeSpan timeout)
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{
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}
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protected override void OnEndReply(IAsyncResult result)
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{
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this.outputChannel.EndSend(result);
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}
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protected override void OnReply(Message message, TimeSpan timeout)
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{
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if (message != null)
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{
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this.SetAddressingInformation(message);
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this.outputChannel.Send(message, timeout);
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}
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}
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private void SetAddressingInformation(Message message)
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{
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this.networkInterfaceMessageProperty.AddTo(message);
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message.Properties.Via = this.via;
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}
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}
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}
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