HttpClient: how to get a base socket from an existing connection?

Question

I am using HttpClient 4.02 to create a connection through a proxy (using the CONNECT method) to tunnel the connection to the remote server. HttpClient is very convenient for this, but I'm new to the API and can't see how to get to the underlying Sockettunneled connection.

The following code is taken from: http://svn.apache.org/repos/asf/httpcomponents/httpclient/tags/4.0.1/httpclient/src/examples/org/apache/http/examples/client/ClientExecuteProxy.java

    // make sure to use a proxy that supports CONNECT
    HttpHost target = new HttpHost("target.server.net", 443, "https");
    HttpHost proxy = new HttpHost("some.proxy.net", 8080, "http");

    // general setup
    SchemeRegistry supportedSchemes = new SchemeRegistry();

    // Register the "http" and "https" protocol schemes, they are
    // required by the default operator to look up socket factories.
    supportedSchemes.register(new Scheme("http", 
            PlainSocketFactory.getSocketFactory(), 80));
    supportedSchemes.register(new Scheme("https", 
            SSLSocketFactory.getSocketFactory(), 443));

    // prepare parameters
    HttpParams params = new BasicHttpParams();
    HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);

    ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, 
            supportedSchemes);

    DefaultHttpClient httpclient = new DefaultHttpClient(ccm, params);

    httpclient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);

    HttpGet req = new HttpGet("/");

    System.out.println("executing request to " + target + " via " + proxy);
    HttpResponse rsp = httpclient.execute(target, req);
    HttpEntity entity = rsp.getEntity();

This sets up a connection fine, but is there a way to get the basic Socketone so that I can use my own protocol to communicate with the server on target.server.net?

Answer 1

JIRA. . ProxyClient 3.x, HttpClient.

Edit:

4.2. . http://hc.apache.org/httpcomponents-client-4.3.x/httpclient/apidocs/org/apache/http/impl/client/ProxyClient.html

Answer 2

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: http://svn.apache.org/viewvc/httpcomponents/oac.hc3x/trunk/src/examples/ProxyTunnelDemo.java?view=markup

Answer 3

@willjcroz :

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