blocks|key|1143676|text|Kaazing.com提供了一个可以访问websockets+.NET客户端库。他们在Checklist:+Build+Microsoft+.NET+JMS+Clients和Checklist:+Build+Microsoft+.NET+AMQP+Clients上有在线教程|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1143677|github上有一个Java+Websocket+Client项目。|1143678|entityMap|0|LINK|mutability|MUTABLE|url|https://kaazing.com/doc/5.0/jms_client_docs/dev-dotnet/o_dev_dotnet.html|1|https://kaazing.com/doc/5.0/amqp_client_docs/dev-dotnet/o_dev_dotnet.html|2|http://github.com/adamac/Java-WebSocket-client^0|17|17|0|2F|18|1|0|A|L|2|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@$A|S|B|T|1|U]|$A|V|B|W|1|X]]|C|$]]|$1|D|3|E|5|6|7|Y|8|@]|9|@$A|Z|B|10|1|11]]|C|$]]|$1|F|3|-4|5|6|7|12|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]|N|$5|I|J|K|C|$L|O]]|P|$5|I|J|K|C|$L|Q]]]]

Kaazing.com provide a .NET client library that can access websockets. They have tutorials online at <a href="https://kaazing.com/doc/5.0/jms_client_docs/dev-dotnet/o_dev_dotnet.html" rel="nofollow noreferrer">Checklist: Build Microsoft .NET JMS Clients</a> and <a href="https://kaazing.com/doc/5.0/amqp_client_docs/dev-dotnet/o_dev_dotnet.html" rel="nofollow noreferrer">Checklist: Build Microsoft .NET AMQP Clients</a>

There is a <a href="http://github.com/adamac/Java-WebSocket-client" rel="nofollow noreferrer">Java Websocket Client</a> project on github.

blocks|key|1358904|text|这是一个非常简单的协议。有一个转换成c#的java实现here应该不会太难。如果我抽出时间来做，我会把它贴在这里...|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1358905|entityMap|0|LINK|mutability|MUTABLE|url|http://github.com/adamac/Java-WebSocket-client/blob/master/src/com/sixfire/websocket/WebSocket.java^0|R|4|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

it's a pretty simple protocol. there's a java implementation <a href="http://github.com/adamac/Java-WebSocket-client/blob/master/src/com/sixfire/websocket/WebSocket.java" rel="nofollow noreferrer">here</a> that shouldn't be too difficult to translate into c#. if i get around to doing it, i'll post it up here...

blocks|key|1143843|text|下面是将Java代码移植到C#第一步。不支持SSL模式，并且只进行了非常轻微的测试，但这是一个开始。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1143844|using+System;
using+System.Collections.Generic;
using+System.IO;
using+System.Net;
using+System.Net.Sockets;
using+System.Text;

public+class+WebSocket
{
++++private+Uri+mUrl;
++++private+TcpClient+mClient;
++++private+NetworkStream+mStream;
++++private+bool+mHandshakeComplete;
++++private+Dictionary<string,+string>+mHeaders;
++++
++++public+WebSocket(Uri+url)
++++{
++++++++mUrl+=+url;
++++++++
++++++++string+protocol+=+mUrl.Scheme;
++++++++if+(!protocol.Equals("ws")+&&+!protocol.Equals("wss"))
++++++++++++throw+new+ArgumentException("Unsupported+protocol:+"+%2B+protocol);
++++}
++++
++++public+void+SetHeaders(Dictionary<string,+string>+headers)
++++{
++++++++mHeaders+=+headers;
++++}
++++
++++public+void+Connect()
++++{
++++++++string+host+=+mUrl.DnsSafeHost;
++++++++string+path+=+mUrl.PathAndQuery;
++++++++string+origin+=+"http://"+%2B+host;

++++++++mClient+=+CreateSocket(mUrl);
++++++++mStream+=+mClient.GetStream();

++++++++int+port+=+((IPEndPoint)mClient.Client.RemoteEndPoint).Port;
++++++++if+(port+!=+80)
++++++++++++host+=+host+%2B+":"+%2B+port;

++++++++StringBuilder+extraHeaders+=+new+StringBuilder();
++++++++if+(mHeaders+!=+null)
++++++++{
++++++++++++foreach+(KeyValuePair<string,+string>+header+in+mHeaders)
++++++++++++++++extraHeaders.Append(header.Key+%2B+":+"+%2B+header.Value+%2B+"\r\n");
++++++++}

++++++++string+request+=+"GET+"+%2B+path+%2B+"+HTTP/1.1\r\n"+%2B
+++++++++++++++++++++++++"Upgrade:+WebSocket\r\n"+%2B
+++++++++++++++++++++++++"Connection:+Upgrade\r\n"+%2B
+++++++++++++++++++++++++"Host:+"+%2B+host+%2B+"\r\n"+%2B
+++++++++++++++++++++++++"Origin:+"+%2B+origin+%2B+"\r\n"+%2B
+++++++++++++++++++++++++extraHeaders.ToString()+%2B+"\r\n";
++++++++byte[]+sendBuffer+=+Encoding.UTF8.GetBytes(request);

++++++++mStream.Write(sendBuffer,+0,+sendBuffer.Length);

++++++++StreamReader+reader+=+new+StreamReader(mStream);
++++++++{
++++++++++++string+header+=+reader.ReadLine();
++++++++++++if+(!header.Equals("HTTP/1.1+101+Web+Socket+Protocol+Handshake"))
++++++++++++++++throw+new+IOException("Invalid+handshake+response");

++++++++++++header+=+reader.ReadLine();
++++++++++++if+(!header.Equals("Upgrade:+WebSocket"))
++++++++++++++++throw+new+IOException("Invalid+handshake+response");

++++++++++++header+=+reader.ReadLine();
++++++++++++if+(!header.Equals("Connection:+Upgrade"))
++++++++++++++++throw+new+IOException("Invalid+handshake+response");
++++++++}

++++++++mHandshakeComplete+=+true;
++++}
++++
++++public+void+Send(string+str)
++++{
++++++++if+(!mHandshakeComplete)
++++++++++++throw+new+InvalidOperationException("Handshake+not+complete");

++++++++byte[]+sendBuffer+=+Encoding.UTF8.GetBytes(str);

++++++++mStream.WriteByte(0x00);
++++++++mStream.Write(sendBuffer,+0,+sendBuffer.Length);
++++++++mStream.WriteByte(0xff);
++++++++mStream.Flush();
++++}

++++public+string+Recv()
++++{
++++++++if+(!mHandshakeComplete)
++++++++++++throw+new+InvalidOperationException("Handshake+not+complete");

++++++++StringBuilder+recvBuffer+=+new+StringBuilder();

++++++++BinaryReader+reader+=+new+BinaryReader(mStream);
++++++++byte+b+=+reader.ReadByte();
++++++++if+((b+&+0x80)+==+0x80)
++++++++{
++++++++++++//+Skip+data+frame
++++++++++++int+len+=+0;
++++++++++++do
++++++++++++{
++++++++++++++++b+=+(byte)(reader.ReadByte()+&+0x7f);
++++++++++++++++len+%2B=+b+*+128;
++++++++++++}+while+((b+&+0x80)+!=+0x80);

++++++++++++for+(int+i+=+0;+i+<+len;+i%2B%2B)
++++++++++++++++reader.ReadByte();
++++++++}
++++++++
++++++++while+(true)
++++++++{
++++++++++++b+=+reader.ReadByte();
++++++++++++if+(b+==+0xff)
++++++++++++++++break;

++++++++++++recvBuffer.Append(b);+++++++++++
++++++++}

++++++++return+recvBuffer.ToString();
++++}
++++
++++public+void+Close()
++++{
++++++++mStream.Dispose();
++++++++mClient.Close();
++++++++mStream+=+null;
++++++++mClient+=+null;
++++}

++++private+static+TcpClient+CreateSocket(Uri+url)
++++{
++++++++string+scheme+=+url.Scheme;
++++++++string+host+=+url.DnsSafeHost;

++++++++int+port+=+url.Port;
++++++++if+(port+<=+0)
++++++++{
++++++++++++if+(scheme.Equals("wss"))
++++++++++++++++port+=+443;
++++++++++++else+if+(scheme.Equals("ws"))
++++++++++++++++port+=+80;
++++++++++++else
++++++++++++++++throw+new+ArgumentException("Unsupported+scheme");
++++++++}

++++++++if+(scheme.Equals("wss"))
++++++++++++throw+new+NotImplementedException("SSL+support+not+implemented+yet");
++++++++else
++++++++++++return+new+TcpClient(host,+port);
++++}
}|code-block|syntax|javascript|1143845|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Here's a quick first pass at porting that Java code to C#. Doesn't support SSL mode and has only been very lightly tested, but it's a start.
<pre class="lang-cs prettyprint-override"><code>using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;

public class WebSocket
{
 private Uri mUrl;
 private TcpClient mClient;
 private NetworkStream mStream;
 private bool mHandshakeComplete;
 private Dictionary&lt;string, string&gt; mHeaders;
 
 public WebSocket(Uri url)
 {
 mUrl = url;
 
 string protocol = mUrl.Scheme;
 if (!protocol.Equals(&quot;ws&quot;) &amp;&amp; !protocol.Equals(&quot;wss&quot;))
 throw new ArgumentException(&quot;Unsupported protocol: &quot; + protocol);
 }
 
 public void SetHeaders(Dictionary&lt;string, string&gt; headers)
 {
 mHeaders = headers;
 }
 
 public void Connect()
 {
 string host = mUrl.DnsSafeHost;
 string path = mUrl.PathAndQuery;
 string origin = &quot;http://&quot; + host;

 mClient = CreateSocket(mUrl);
 mStream = mClient.GetStream();

 int port = ((IPEndPoint)mClient.Client.RemoteEndPoint).Port;
 if (port != 80)
 host = host + &quot;:&quot; + port;

 StringBuilder extraHeaders = new StringBuilder();
 if (mHeaders != null)
 {
 foreach (KeyValuePair&lt;string, string&gt; header in mHeaders)
 extraHeaders.Append(header.Key + &quot;: &quot; + header.Value + &quot;\r\n&quot;);
 }

 string request = &quot;GET &quot; + path + &quot; HTTP/1.1\r\n&quot; +
 &quot;Upgrade: WebSocket\r\n&quot; +
 &quot;Connection: Upgrade\r\n&quot; +
 &quot;Host: &quot; + host + &quot;\r\n&quot; +
 &quot;Origin: &quot; + origin + &quot;\r\n&quot; +
 extraHeaders.ToString() + &quot;\r\n&quot;;
 byte[] sendBuffer = Encoding.UTF8.GetBytes(request);

 mStream.Write(sendBuffer, 0, sendBuffer.Length);

 StreamReader reader = new StreamReader(mStream);
 {
 string header = reader.ReadLine();
 if (!header.Equals(&quot;HTTP/1.1 101 Web Socket Protocol Handshake&quot;))
 throw new IOException(&quot;Invalid handshake response&quot;);

 header = reader.ReadLine();
 if (!header.Equals(&quot;Upgrade: WebSocket&quot;))
 throw new IOException(&quot;Invalid handshake response&quot;);

 header = reader.ReadLine();
 if (!header.Equals(&quot;Connection: Upgrade&quot;))
 throw new IOException(&quot;Invalid handshake response&quot;);
 }

 mHandshakeComplete = true;
 }
 
 public void Send(string str)
 {
 if (!mHandshakeComplete)
 throw new InvalidOperationException(&quot;Handshake not complete&quot;);

 byte[] sendBuffer = Encoding.UTF8.GetBytes(str);

 mStream.WriteByte(0x00);
 mStream.Write(sendBuffer, 0, sendBuffer.Length);
 mStream.WriteByte(0xff);
 mStream.Flush();
 }

 public string Recv()
 {
 if (!mHandshakeComplete)
 throw new InvalidOperationException(&quot;Handshake not complete&quot;);

 StringBuilder recvBuffer = new StringBuilder();

 BinaryReader reader = new BinaryReader(mStream);
 byte b = reader.ReadByte();
 if ((b &amp; 0x80) == 0x80)
 {
 // Skip data frame
 int len = 0;
 do
 {
 b = (byte)(reader.ReadByte() &amp; 0x7f);
 len += b * 128;
 } while ((b &amp; 0x80) != 0x80);

 for (int i = 0; i &lt; len; i++)
 reader.ReadByte();
 }
 
 while (true)
 {
 b = reader.ReadByte();
 if (b == 0xff)
 break;

 recvBuffer.Append(b); 
 }

 return recvBuffer.ToString();
 }
 
 public void Close()
 {
 mStream.Dispose();
 mClient.Close();
 mStream = null;
 mClient = null;
 }

 private static TcpClient CreateSocket(Uri url)
 {
 string scheme = url.Scheme;
 string host = url.DnsSafeHost;

 int port = url.Port;
 if (port &lt;= 0)
 {
 if (scheme.Equals(&quot;wss&quot;))
 port = 443;
 else if (scheme.Equals(&quot;ws&quot;))
 port = 80;
 else
 throw new ArgumentException(&quot;Unsupported scheme&quot;);
 }

 if (scheme.Equals(&quot;wss&quot;))
 throw new NotImplementedException(&quot;SSL support not implemented yet&quot;);
 else
 return new TcpClient(host, port);
 }
}
</code></pre>

blocks|key|1359017|text|如果你想要更轻量级的东西，可以看看我和一个朋友发布的C#服务器：https://github.com/Olivine-Labs/Alchemy-Websockets|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1359018|支持普通websockets和flash+websockets。它是为我们的在线游戏构建的，专注于可伸缩性和效率。|1359019|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/Olivine-Labs/Alchemy-Websockets^0|W|1E|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

If you'd like something a little more lightweight, check out a C# server that a friend and I released: <a href="https://github.com/Olivine-Labs/Alchemy-Websockets" rel="nofollow">https://github.com/Olivine-Labs/Alchemy-Websockets</a>

Supports vanilla websockets as well as flash websockets. It was built for our online game with a focus on scalability and efficiency.

blocks|key|1143970|text|有一个客户端实现：http://websocket4net.codeplex.com/！|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1143971|entityMap|0|LINK|mutability|MUTABLE|url|http://websocket4net.codeplex.com/^0|9|Y|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

There is a client implementation: <a href="http://websocket4net.codeplex.com/" rel="noreferrer">http://websocket4net.codeplex.com/</a>!

blocks|key|1144009|text|对WebSockets的支持是coming+in+.NET+4.5。该链接还包含一个使用System.Net.WebSockets.WebSocket类的示例。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1144010|entityMap|0|LINK|mutability|MUTABLE|url|http://www.asp.net/vnext/overview/whitepapers/whats-new#_Toc318097383|1|http://msdn.microsoft.com/en-us/library/system.net.websockets.websocket%2528v=vs.110%2529.aspx^0|F|I|0|18|V|1|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]|$A|R|B|S|1|T]]|C|$]]|$1|D|3|-4|5|6|7|U|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]|L|$5|G|H|I|C|$J|M]]]]

Support for WebSockets is <a href="http://www.asp.net/vnext/overview/whitepapers/whats-new#_Toc318097383">coming in .NET 4.5</a>. That links also contains an example using the <a href="http://msdn.microsoft.com/en-us/library/system.net.websockets.websocket%28v=vs.110%29.aspx">System.Net.WebSockets.WebSocket</a> class.

blocks|key|1359148|text|还有炼金术。相当酷的http://olivinelabs.com/Alchemy-Websockets/。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1359149|entityMap|0|LINK|mutability|MUTABLE|url|http://olivinelabs.com/Alchemy-Websockets/^0|A|16|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

There is also Alchemy. <a href="http://olivinelabs.com/Alchemy-Websockets/" rel="nofollow">http://olivinelabs.com/Alchemy-Websockets/</a> which is rather cool.

blocks|key|1144149|text|另一种选择：XSockets.Net，实现了服务器端和客户端。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1144150|可以通过以下方式安装服务器：|1144151|PM>+Install-Package+XSockets|code-block|syntax|javascript|1144152|或者通过以下方式安装客户端：|1144153|PM>+Install-Package+XSockets.Client|1144154|当前版本为：3.0.4|style|CODE|1144155|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/XSockets^0|6|C|0|0|0|0|0|0|6|5|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@$A|11|B|12|1|13]]|C|$]]|$1|D|3|E|5|6|7|14|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|15|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|16|8|@]|9|@]|C|$]]|$1|M|3|N|5|H|7|17|8|@]|9|@]|C|$I|J]]|$1|O|3|P|5|6|7|18|8|@$A|19|B|1A|Q|R]]|9|@]|C|$]]|$1|S|3|-4|5|6|7|1B|8|@]|9|@]|C|$]]]|T|$U|$5|V|W|X|C|$Y|Z]]]]

another choice: <a href="https://github.com/XSockets" rel="nofollow noreferrer">XSockets.Net</a>, has implement server and client.
can install server by:
<pre><code>PM&gt; Install-Package XSockets
</code></pre>
or install client by:
<pre><code>PM&gt; Install-Package XSockets.Client
</code></pre>
current version is: <code>3.0.4</code>

I would like to use WebSockets in my Windows Forms or WPF-application. Is there a .NET-control that is supporting WebSockets implemented yet? Or is there any open source project started about it?

An open source solution for a Java Client supporting WebSockets could also help me.

Is there a WebSocket client implemented for .NET?

服务器

Windows

Java

我想在我的Windows Forms或WPF应用程序中使用WebSockets。有没有支持WebSockets实现的.NET控件？或者有没有什么开源项目已经开始了呢？支持WebSockets的Java客户端的开源解决方案也可能对我有所帮助。

问有没有为.NET实现的WebSocket客户端？
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问有没有为.NET实现的WebSocket客户端？
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