Example usage for org.apache.http.conn.routing RouteTracker connectProxy

Introduction

In this page you can find the example usage for org.apache.http.conn.routing RouteTracker connectProxy.

Prototype

public final void connectProxy(final HttpHost proxy, final boolean secure) 

Source Link

Document

Tracks connecting to the first proxy.

Usage

From source file:org.apache.http.impl.execchain.MainClientExec.java

/**
 * Establishes the target route./*from w w  w  .  j  a va  2 s . com*/
 */
void establishRoute(final AuthState proxyAuthState, final HttpClientConnection managedConn,
        final HttpRoute route, final HttpRequest request, final HttpClientContext context)
        throws HttpException, IOException {
    final RequestConfig config = context.getRequestConfig();
    final int timeout = config.getConnectTimeout();
    final RouteTracker tracker = new RouteTracker(route);
    int step;
    do {
        final HttpRoute fact = tracker.toRoute();
        step = this.routeDirector.nextStep(route, fact);

        switch (step) {

        case HttpRouteDirector.CONNECT_TARGET:
            this.connManager.connect(managedConn, route, timeout > 0 ? timeout : 0, context);
            tracker.connectTarget(route.isSecure());
            break;
        case HttpRouteDirector.CONNECT_PROXY:
            this.connManager.connect(managedConn, route, timeout > 0 ? timeout : 0, context);
            final HttpHost proxy = route.getProxyHost();
            tracker.connectProxy(proxy, false);
            break;
        case HttpRouteDirector.TUNNEL_TARGET: {
            final boolean secure = createTunnelToTarget(proxyAuthState, managedConn, route, request, context);
            this.log.debug("Tunnel to target created.");
            tracker.tunnelTarget(secure);
        }
            break;

        case HttpRouteDirector.TUNNEL_PROXY: {
            // The most simple example for this case is a proxy chain
            // of two proxies, where P1 must be tunnelled to P2.
            // route: Source -> P1 -> P2 -> Target (3 hops)
            // fact:  Source -> P1 -> Target       (2 hops)
            final int hop = fact.getHopCount() - 1; // the hop to establish
            final boolean secure = createTunnelToProxy(route, hop, context);
            this.log.debug("Tunnel to proxy created.");
            tracker.tunnelProxy(route.getHopTarget(hop), secure);
        }
            break;

        case HttpRouteDirector.LAYER_PROTOCOL:
            this.connManager.upgrade(managedConn, route, context);
            tracker.layerProtocol(route.isSecure());
            break;

        case HttpRouteDirector.UNREACHABLE:
            throw new HttpException(
                    "Unable to establish route: " + "planned = " + route + "; current = " + fact);
        case HttpRouteDirector.COMPLETE:
            this.connManager.routeComplete(managedConn, route, context);
            break;
        default:
            throw new IllegalStateException("Unknown step indicator " + step + " from RouteDirector.");
        }

    } while (step > HttpRouteDirector.COMPLETE);
}

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From source file:org.apache.http.impl.nio.client.AbstractClientExchangeHandler.java

final void onRouteToProxy() throws IOException {
    final NHttpClientConnection managedConn = this.managedConnRef.get();
    Asserts.check(managedConn != null, "Inconsistent state: managed connection is null");
    final HttpRoute route = this.routeRef.get();
    Asserts.check(route != null, "Inconsistent state: HTTP route is null");
    final RouteTracker routeTracker = this.routeTrackerRef.get();
    Asserts.check(routeTracker != null, "Inconsistent state: HTTP route tracker");
    this.connmgr.startRoute(managedConn, route, this.localContext);
    final HttpHost proxy = route.getProxyHost();
    routeTracker.connectProxy(proxy, false);
}

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