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

        final NHttpClientConnection managedConn = connManager.getConnection();
        if (!state.isRouteEstablished() && state.getRouteTracker() == null) {
            state.setRouteEstablished(this.connmgr.isRouteComplete(managedConn));
            if (!state.isRouteEstablished()) {
                this.log.debug("Start connection routing");
                state.setRouteTracker(new RouteTracker(route));
            } else {
                this.log.debug("Connection route already established");
            }
        }


        if (!state.isRouteEstablished()) {
            final RouteTracker routeTracker = state.getRouteTracker();
            int step;
            loop:
            do {
                final HttpRoute fact = routeTracker.toRoute();
                step = this.routeDirector.nextStep(route, fact);
                switch (step) {
                case HttpRouteDirector.CONNECT_TARGET:
                    this.connmgr.startRoute(managedConn, route, localContext);
                    routeTracker.connectTarget(route.isSecure());
                    break;
                case HttpRouteDirector.CONNECT_PROXY:
                    this.connmgr.startRoute(managedConn, route, localContext);
                    final HttpHost proxy  = route.getProxyHost();
                    routeTracker.connectProxy(proxy, false);
                    break;
                case HttpRouteDirector.TUNNEL_TARGET:
                    if (this.log.isDebugEnabled()) {
                        this.log.debug("[exchange: " + state.getId() + "] Tunnel required");
                    }
                    final HttpRequest connect = createConnectRequest(route, state);
                    state.setCurrentRequest(HttpRequestWrapper.wrap(connect));
                    break loop;
                case HttpRouteDirector.TUNNEL_PROXY:
                    throw new HttpException("Proxy chains are not supported");
                case HttpRouteDirector.LAYER_PROTOCOL:
                    this.connmgr.upgrade(managedConn, route, localContext);
                    routeTracker.layerProtocol(route.isSecure());
                    break;
                case HttpRouteDirector.UNREACHABLE:
                    throw new HttpException("Unable to establish route: " +
                            "planned = " + route + "; current = " + fact);
                case HttpRouteDirector.COMPLETE:

View Full Code Here

            if (status < 200) {
                throw new HttpException("Unexpected response to CONNECT request: " +
                        response.getStatusLine());
            }
            if (status == HttpStatus.SC_OK) {
                final RouteTracker routeTracker = state.getRouteTracker();
                routeTracker.tunnelTarget(false);
                state.setCurrentRequest(null);
            } else {
                if (!handleConnectResponse(state)) {
                    state.setFinalResponse(response);
                }

View Full Code Here

            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.getTargetHost(), route.getLocalAddress(),
                        timeout > 0 ? timeout : 0,
                        context);
                tracker.connectTarget(route.isSecure());
                break;
            case HttpRouteDirector.CONNECT_PROXY:
                this.connManager.connect(
                        managedConn,
                        route.getProxyHost(), route.getLocalAddress(),
                        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.getTargetHost(), context);
                break;

View Full Code Here

        // - call the operator
        // - update the tracking data
        // In this order, we can be sure that only a successful
        // opening of the connection will be tracked.


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


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


        final RouteTracker localTracker = tracker; // capture volatile


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


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


    }

View Full Code Here

        OperatedClientConnection conn;
        synchronized (this) {
            if (this.poolEntry == null) {
                throw new ConnectionShutdownException();
            }
            final RouteTracker tracker = this.poolEntry.getTracker();
            Asserts.notNull(tracker, "Route tracker");
            Asserts.check(!tracker.isConnected(), "Connection already open");
            conn = this.poolEntry.getConnection();
        }


        final HttpHost proxy  = route.getProxyHost();
        this.operator.openConnection(
                conn,
                (proxy != null) ? proxy : route.getTargetHost(),
                route.getLocalAddress(),
                context, params);


        synchronized (this) {
            if (this.poolEntry == null) {
                throw new InterruptedIOException();
            }
            final RouteTracker tracker = this.poolEntry.getTracker();
            if (proxy == null) {
                tracker.connectTarget(conn.isSecure());
            } else {
                tracker.connectProxy(proxy, conn.isSecure());
            }
        }
    }

View Full Code Here

        OperatedClientConnection conn;
        synchronized (this) {
            if (this.poolEntry == null) {
                throw new ConnectionShutdownException();
            }
            final RouteTracker tracker = this.poolEntry.getTracker();
            Asserts.notNull(tracker, "Route tracker");
            Asserts.check(tracker.isConnected(), "Connection not open");
            Asserts.check(!tracker.isTunnelled(), "Connection is already tunnelled");
            target = tracker.getTargetHost();
            conn = this.poolEntry.getConnection();
        }


        conn.update(null, target, secure, params);


        synchronized (this) {
            if (this.poolEntry == null) {
                throw new InterruptedIOException();
            }
            final RouteTracker tracker = this.poolEntry.getTracker();
            tracker.tunnelTarget(secure);
        }
    }

View Full Code Here

        OperatedClientConnection conn;
        synchronized (this) {
            if (this.poolEntry == null) {
                throw new ConnectionShutdownException();
            }
            final RouteTracker tracker = this.poolEntry.getTracker();
            Asserts.notNull(tracker, "Route tracker");
            Asserts.check(tracker.isConnected(), "Connection not open");
            conn = this.poolEntry.getConnection();
        }


        conn.update(null, next, secure, params);


        synchronized (this) {
            if (this.poolEntry == null) {
                throw new InterruptedIOException();
            }
            final RouteTracker tracker = this.poolEntry.getTracker();
            tracker.tunnelProxy(next, secure);
        }
    }

View Full Code Here

        OperatedClientConnection conn;
        synchronized (this) {
            if (this.poolEntry == null) {
                throw new ConnectionShutdownException();
            }
            final RouteTracker tracker = this.poolEntry.getTracker();
            Asserts.notNull(tracker, "Route tracker");
            Asserts.check(tracker.isConnected(), "Connection not open");
            Asserts.check(tracker.isTunnelled(), "Protocol layering without a tunnel not supported");
            Asserts.check(!tracker.isLayered(), "Multiple protocol layering not supported");
            target = tracker.getTargetHost();
            conn = this.poolEntry.getConnection();
        }
        this.operator.updateSecureConnection(conn, target, context, params);


        synchronized (this) {
            if (this.poolEntry == null) {
                throw new InterruptedIOException();
            }
            final RouteTracker tracker = this.poolEntry.getTracker();
            tracker.layerProtocol(conn.isSecure());
        }
    }

View Full Code Here


    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);
        }
    }

View Full Code Here

    }


    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);
    }

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

Related Classes of org.apache.http.conn.routing.RouteTracker

org.apache.http.HttpHost

org.apache.http.impl.conn.AbstractPoolEntry

org.apache.http.impl.conn.HttpPoolEntry

org.apache.http.impl.conn.ManagedClientConnectionImpl

org.apache.http.impl.conn.SingleClientConnManager

org.apache.http.impl.execchain.MainClientExec

org.apache.http.impl.nio.client.DefaultClientExchangeHandlerImpl

org.apache.http.impl.nio.client.MainClientExec

org.apache.http.impl.nio.conn.ClientConnAdaptor

org.apache.http.impl.nio.conn.HttpPoolEntry

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.