Examples of org.apache.http.conn.routing.RouteTracker

org.apache.http.conn.routing.RouteTracker
Helps tracking the steps in establishing a route. @author Roland Weber @version $Revision: 620254 $ @since 4.0


        // Kill the connection if it expired.
        closeExpiredConnections();


        if (uniquePoolEntry.connection.isOpen()) {
            RouteTracker tracker = uniquePoolEntry.tracker;
            shutdown = (tracker == null || // can happen if method is aborted
                        !tracker.toRoute().equals(route));
        } else {
            // If the connection is not open, create a new PoolEntry,
            // as the connection may have been marked not reusable,
            // due to aborts -- and the PoolEntry should not be reused
            // either.  There's no harm in recreating an entry if

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    public synchronized void open(
            final HttpRoute route,
            final HttpContext context, final HttpParams params) throws IOException {
        assertValid();
        RouteTracker tracker = this.entry.getTracker();
        if (tracker.isConnected()) {
            throw new IllegalStateException("Connection already open");
        }


        HttpHost target = route.getTargetHost();
        HttpHost proxy = route.getProxyHost();
        IOSession iosession = this.entry.getIOSession();


        if (proxy == null) {
            Scheme scheme = this.manager.getSchemeRegistry().getScheme(target);
            LayeringStrategy layeringStrategy = scheme.getLayeringStrategy();
            if (layeringStrategy != null) {
                SSLIOSession ssliosession = (SSLIOSession) layeringStrategy.layer(iosession);
                ssliosession.bind(SSLMode.CLIENT, params);
                iosession = ssliosession;
            }
        }


        OperatedClientConnection conn = new DefaultClientConnection(
                iosession, createHttpResponseFactory(), createByteBufferAllocator(), params);
        iosession.setAttribute(ExecutionContext.HTTP_CONNECTION, conn);


        this.conn = conn;
        if (proxy == null) {
            tracker.connectTarget(conn.getSSLIOSession() != null);
        } else {
            tracker.connectProxy(proxy, false);
        }
    }

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    }


    public synchronized void tunnelProxy(
            final HttpHost next, final HttpParams params) throws IOException {
        assertValid();
        RouteTracker tracker = this.entry.getTracker();
        if (!tracker.isConnected()) {
            throw new IllegalStateException("Connection not open");
        }
        tracker.tunnelProxy(next, false);
    }

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    }


    public synchronized void tunnelTarget(
            final HttpParams params) throws IOException {
        assertValid();
        RouteTracker tracker = this.entry.getTracker();
        if (!tracker.isConnected()) {
            throw new IllegalStateException("Connection not open");
        }
        if (tracker.isTunnelled()) {
            throw new IllegalStateException("Connection is already tunnelled");
        }
        tracker.tunnelTarget(false);
    }

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    public synchronized void layerProtocol(
            final HttpContext context, final HttpParams params) throws IOException {
        assertValid();
        OperatedClientConnection conn = getWrappedConnection();
        RouteTracker tracker = this.entry.getTracker();
        if (!tracker.isConnected()) {
            throw new IllegalStateException("Connection not open");
        }
        if (!tracker.isTunnelled()) {
            throw new IllegalStateException("Protocol layering without a tunnel not supported");
        }
        if (tracker.isLayered()) {
            throw new IllegalStateException("Multiple protocol layering not supported");
        }
        HttpHost target = tracker.getTargetHost();
        Scheme scheme = this.manager.getSchemeRegistry().getScheme(target);
        LayeringStrategy layeringStrategy = scheme.getLayeringStrategy();
        if (layeringStrategy == null) {
            throw new IllegalStateException(scheme.getName() +
                    " scheme does not provider support for protocol layering");
        }
        IOSession iosession = this.entry.getIOSession();
        SSLIOSession ssliosession = (SSLIOSession) layeringStrategy.layer(iosession);
        ssliosession.bind(SSLMode.CLIENT, params);


        conn.upgrade(ssliosession);
        tracker.layerProtocol(layeringStrategy.isSecure());
    }

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    HttpPoolEntry(final Log log, final HttpRoute route, final IOSession session,
            final long timeToLive, final TimeUnit tunit) {
        super(route, session, timeToLive, tunit);
        this.log = log;
        this.tracker = new RouteTracker(route);
    }

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        // Kill the connection if it expired.
        closeExpiredConnections();


        if (uniquePoolEntry.connection.isOpen()) {
            RouteTracker tracker = uniquePoolEntry.tracker;
            shutdown = (tracker == null || // can happen if method is aborted
                        !tracker.toRoute().equals(route));
        } else {
            // If the connection is not open, create a new PoolEntry,
            // as the connection may have been marked not reusable,
            // due to aborts -- and the PoolEntry should not be reused
            // either.  There's no harm in recreating an entry if

View Full Code Here

        
        // Kill the connection if it expired.
        closeExpiredConnections();
        
        if (uniquePoolEntry.connection.isOpen()) {
            RouteTracker tracker = uniquePoolEntry.tracker;
            shutdown = (tracker == null || // can happen if method is aborted
                        !tracker.toRoute().equals(route));
        } else {
            // If the connection is not open, create a new PoolEntry,
            // as the connection may have been marked not reusable,
            // due to aborts -- and the PoolEntry should not be reused
            // either.  There's no harm in recreating an entry if

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        // In this order, we can be sure that only a successful
        // opening of the connection will be tracked.


        //@@@ verify route against planned route?


        this.tracker = new RouteTracker(route);
        final HttpHost proxy  = route.getProxyHost();


        connOperator.openConnection
            (this.connection,
             (proxy != null) ? proxy : route.getTargetHost(),
             route.getLocalAddress(),
             context, params);


        RouteTracker localTracker = tracker; // capture volatile        


        // If this tracker was reset while connecting,
        // fail early.
        if (localTracker == null) {
            throw new IOException("Request aborted");
        }


        if (proxy == null) {
            localTracker.connectTarget(this.connection.isSecure());
        } else {
            localTracker.connectProxy(proxy, this.connection.isSecure());
        }


    } // open

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        //if (LOG.isDebugEnabled()) {
        //    LOG.debug("Open connection for " + route);
        //}


        this.tracker = new RouteTracker(route);
        final HttpHost proxy  = route.getProxyHost();


        getOperator().openConnection
            (this.connection,
             (proxy != null) ? proxy : route.getTargetHost(),

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