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338 lines
9.0 KiB
C#
338 lines
9.0 KiB
C#
//
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// HttpClientChannel.cs
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//
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// Author:
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// Michael Hutchinson <mhutchinson@novell.com>
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//
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// Copyright (C) 2008 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Net;
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using System.Collections;
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using System.Globalization;
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using System.Runtime.Remoting.Messaging;
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namespace System.Runtime.Remoting.Channels.Http
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{
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public class HttpClientChannel : BaseChannelWithProperties,
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IChannel, IChannelSender
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, ISecurableChannel
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{
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string name = "http client";
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int priority = 1;
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// names and (some) default values fromhttp://msdn.microsoft.com/en-us/library/bb187435(VS.85).aspx
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// other values guessed from defaults of HttpWebResponse
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string machineName = null;
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bool allowAutoRedirect = true; //FIXME: what's the default? true/false?
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int clientConnectionLimit = 2;
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string connectionGroupName = null;
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ICredentials credentials = null;
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string domain = null;
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string password = null;
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string proxyName = null;
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int proxyPort = -1;
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Uri proxyUri = null;
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string servicePrincipalName = null;
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int timeout = -1;
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bool unsafeAuthenticatedConnectionSharing = false;
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// according to docs, should be true if useDefaultCredentials true or
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// credentials is CredentialCache.DefaultCredentials
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bool useAuthenticatedConnectionSharing = false;
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bool useDefaultCredentials = false;
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string username = null;
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bool isSecured = false;
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IClientChannelSinkProvider sinkProvider;
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#region Constructors
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public HttpClientChannel ()
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{
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BuildSink (null);
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}
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[MonoTODO ("Handle the machineName, proxyName, proxyPort, servicePrincipalName, " +
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"useAuthenticatedConnectionSharing properties")]
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public HttpClientChannel (IDictionary properties, IClientChannelSinkProvider sinkProvider)
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{
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if (properties != null) {
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foreach (DictionaryEntry property in properties) {
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switch ((string)property.Key) {
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case "name":
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//NOTE: matching MS behaviour: throws InvalidCastException, allows null
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this.name = (string)property.Value;
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break;
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case "priority":
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this.priority = Convert.ToInt32 (property.Value);
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break;
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case "machineName":
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this.machineName = (string)property.Value;
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break;
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case "allowAutoRedirect":
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this.allowAutoRedirect = Convert.ToBoolean (property.Value);
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break;
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case "clientConnectionLimit":
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this.clientConnectionLimit = Convert.ToInt32 (property.Value);
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break;
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case "connectionGroupName":
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this.connectionGroupName = (string)property.Value;
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break;
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case "credentials":
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this.credentials = (ICredentials)property.Value;
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if (this.credentials == CredentialCache.DefaultCredentials)
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useAuthenticatedConnectionSharing = true;
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break;
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case "domain":
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this.domain = (string)property.Value;
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break;
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case "password":
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this.password = (string)property.Value;
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break;
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case "proxyName":
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this.proxyName = (string)property.Value;
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break;
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case "proxyPort":
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this.proxyPort = Convert.ToInt32 (property.Value);
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break;
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case "servicePrincipalName":
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this.servicePrincipalName = (string)property.Value;
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break;
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case "timeout":
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this.timeout = Convert.ToInt32 (property.Value);
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break;
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case "unsafeAuthenticatedConnectionSharing":
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this.unsafeAuthenticatedConnectionSharing = Convert.ToBoolean (property.Value);
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break;
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case "useAuthenticatedConnectionSharing":
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this.useAuthenticatedConnectionSharing = Convert.ToBoolean (property.Value);
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break;
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case "useDefaultCredentials":
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this.useDefaultCredentials = Convert.ToBoolean (property.Value);
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if (useDefaultCredentials)
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useAuthenticatedConnectionSharing = true;
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break;
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case "username":
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this.username = (string)property.Value;
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break;
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}
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}
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}
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BuildSink (sinkProvider);
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}
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public HttpClientChannel (string name, IClientChannelSinkProvider sinkProvider)
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{
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this.name = name;
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BuildSink (sinkProvider);
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}
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void BuildSink (IClientChannelSinkProvider sinkProvider)
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{
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if (sinkProvider == null) {
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//according to docs, defaults to SOAP if no other sink provided
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sinkProvider = new SoapClientFormatterSinkProvider ();
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}
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this.sinkProvider = sinkProvider;
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//add HTTP sink at the end of the chain
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while (sinkProvider.Next != null) sinkProvider = sinkProvider.Next;
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sinkProvider.Next = new HttpClientTransportSinkProvider ();
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// LAMESPEC: BaseChannelWithProperties wants SinksWithProperties to be set with the sink chain
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// BUT MS' HttpClientChannel does not set it (inspected from HttpClientChannel subclass)
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}
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#endregion
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#region BaseChannelWithProperties overrides
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public override object this[object key]
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{
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get
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{
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switch (key as string) {
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case "proxyport":
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return proxyPort;
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case "proxyname":
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return proxyName;
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}
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return null;
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}
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set
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{
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switch (key as string) {
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case "proxyport":
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proxyPort = Convert.ToInt32 (value);
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ConstructProxy ();
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return;
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case "proxyname":
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proxyName = (string)value;
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ConstructProxy ();
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return;
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}
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//ignore other values, MS does so
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}
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}
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public override ICollection Keys
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{
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get
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{
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return new string[] {
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"proxyname",
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"proxyport"
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};
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}
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}
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void ConstructProxy ()
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{
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if (proxyName != null && proxyPort > 0)
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proxyUri = new Uri (proxyName + ":" + proxyPort);
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}
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#endregion
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#region IChannel
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public string ChannelName
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{
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get { return name; }
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}
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public int ChannelPriority
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{
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get { return priority; }
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}
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public string Parse (string url, out string objectURI)
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{
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return HttpChannel.ParseInternal (url, out objectURI);
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}
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#endregion
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#region IChannelSender (: IChannel)
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public virtual IMessageSink CreateMessageSink (string url, object remoteChannelData, out string objectURI)
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{
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//Mostly copied from TcpClientChannel
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if (url == null || Parse (url, out objectURI) == null) {
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if (remoteChannelData != null) {
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IChannelDataStore ds = remoteChannelData as IChannelDataStore;
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if (ds != null && ds.ChannelUris.Length > 0)
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url = ds.ChannelUris[0];
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else {
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objectURI = null;
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return null;
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}
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}
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if (Parse (url, out objectURI) == null)
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return null;
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}
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object newSink = sinkProvider.CreateSink (this, url, remoteChannelData);
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if (newSink is IMessageSink) {
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return (IMessageSink) newSink;
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} else {
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throw new RemotingException ("First channel sink must implement IMessageSink");
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}
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}
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#endregion
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#region ISecurableChannel
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public bool IsSecured
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{
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get { return isSecured; }
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set {
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throw new NotImplementedException ("Unable to determine expected behaviour yet.");
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}
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}
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#endregion
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#region Internal properties
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internal string MachineName {
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get { return machineName; }
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}
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internal bool AllowAutoRedirect {
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get { return allowAutoRedirect; }
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}
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internal int ClientConnectionLimit {
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get { return clientConnectionLimit; }
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}
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internal string ConnectionGroupName {
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get { return connectionGroupName; }
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}
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internal ICredentials Credentials {
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get { return credentials; }
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}
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internal string Domain {
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get { return domain; }
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}
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internal string Password {
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get { return password; }
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}
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internal string Username {
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get { return username; }
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}
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internal string ProxyName {
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get { return proxyName; }
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}
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internal int ProxyPort {
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get { return proxyPort; }
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}
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internal Uri ProxyUri {
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get { return proxyUri; }
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}
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internal string ServicePrincipalName {
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get { return servicePrincipalName; }
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}
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internal int Timeout {
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get { return timeout; }
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}
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internal bool UnsafeAuthenticatedConnectionSharing {
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get { return unsafeAuthenticatedConnectionSharing; }
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}
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internal bool UseAuthenticatedConnectionSharing {
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get { return useAuthenticatedConnectionSharing; }
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}
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internal bool UseDefaultCredentials {
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get { return useDefaultCredentials; }
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}
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#endregion
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}
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}
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