Examples of NHttpClientConnection

org.apache.http.nio.NHttpClientConnection
Abstract non-blocking client-side HTTP connection. It can be used to submit HTTP requests and asynchronously receive HTTP responses. @author Oleg Kalnichevski

Examples of org.apache.http.nio.NHttpClientConnection

                        port = proxyPort;
                    }
                }
            }
            
            NHttpClientConnection conn = ConnectionPool.getConnection(host, port);


            // Ensure MessageContext has a ClientConnectionDebug attached before we start streaming
            ServerConnectionDebug scd = (ServerConnectionDebug)
                msgContext.getProperty(ServerHandler.SERVER_CONNECTION_DEBUG);

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Examples of org.apache.http.nio.NHttpClientConnection

                        port = proxyPort;
                    }
                }
            }
            
            NHttpClientConnection conn = ConnectionPool.getConnection(host, port);


            // Ensure MessageContext has a ClientConnectionDebug attached before we start streaming
            ServerConnectionDebug scd = (ServerConnectionDebug)
                msgContext.getProperty(ServerHandler.SERVER_CONNECTION_DEBUG);

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Examples of org.apache.http.nio.NHttpClientConnection

                log.debug("No connections available for reuse");
            }
            return null;


        } else {
            NHttpClientConnection conn = null;


            synchronized (connections) {
                while (!connections.isEmpty()) {
                    conn = (NHttpClientConnection) connections.remove(0);


                    if (conn.isOpen() && !conn.isStale()) {
                        if (log.isDebugEnabled()) {
                            log.debug("A connection to host : " + host + " on port : " +
                                port + " is available in the pool, and will be reused");
                        }
                        conn.requestInput(); // asankha - make sure keep alives work properly when reused with throttling
                        return conn;
                    } else {
                        if (log.isDebugEnabled()) {
                            log.debug("closing stale connection to : " + host + ":" + port);
                        }
                        try {
                            conn.close();
                        } catch (IOException ignore) {
                        }
                    }
                }
            }

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Examples of org.apache.http.nio.NHttpClientConnection

                }
            } finally {
                close();
            }
        } else {
            NHttpClientConnection localConn = this.managedConn.get();
            if (localConn != null && !localConn.isOpen()) {
                releaseConnection();
                localConn = null;
            }
            if (localConn != null) {
                localConn.requestOutput();
            } else {
                requestConnection();
            }
        }
    }

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Examples of org.apache.http.nio.NHttpClientConnection

            close();
        }
    }


    public void releaseConnection() {
        final NHttpClientConnection localConn = this.managedConn.getAndSet(null);
        if (localConn != null) {
            if (this.log.isDebugEnabled()) {
                this.log.debug("[exchange: " + this.state.getId() + "] releasing connection");
            }
            localConn.getContext().removeAttribute(HttpAsyncRequestExecutor.HTTP_HANDLER);
            if (this.state.isReusable()) {
                this.connmgr.releaseConnection(localConn,
                        this.localContext.getUserToken(),
                        this.state.getValidDuration(), TimeUnit.MILLISECONDS);
            } else {
                try {
                    localConn.close();
                    if (this.log.isDebugEnabled()) {
                        this.log.debug("[exchange: " + this.state.getId() + "] connection discarded");
                    }
                } catch (final IOException ex) {
                    if (this.log.isDebugEnabled()) {

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Examples of org.apache.http.nio.NHttpClientConnection

    public void abortConnection() {
        discardConnection();
    }


    private void discardConnection() {
        final NHttpClientConnection localConn = this.managedConn.getAndSet(null);
        if (localConn != null) {
            try {
                localConn.shutdown();
                if (this.log.isDebugEnabled()) {
                    this.log.debug("[exchange: " + this.state.getId() + "] connection aborted");
                }
            } catch (final IOException ex) {
                if (this.log.isDebugEnabled()) {

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Examples of org.apache.http.nio.NHttpClientConnection

    public HttpRequest generateRequest(
            final InternalState state,
            final InternalConnManager connManager) throws IOException, HttpException {
        final HttpClientContext localContext = state.getLocalContext();
        final HttpRoute route = state.getRoute();
        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:
                    this.connmgr.routeComplete(managedConn, route, localContext);
                    state.setRouteEstablished(true);
                    state.setRouteTracker(null);
                    this.log.debug("Connection route established");
                    break;
                default:
                    throw new IllegalStateException("Unknown step indicator "
                            + step + " from RouteDirector.");
                }
            } while (step > HttpRouteDirector.COMPLETE);
        }


        HttpRequestWrapper currentRequest = state.getCurrentRequest();
        if (currentRequest == null) {
            currentRequest = state.getMainRequest();
            state.setCurrentRequest(currentRequest);
        }


        if (state.isRouteEstablished()) {
            state.incrementExecCount();
            if (state.getExecCount() > 1) {
                final HttpAsyncRequestProducer requestProducer = state.getRequestProducer();
                if (!requestProducer.isRepeatable() && state.isRequestContentProduced()) {
                    throw new NonRepeatableRequestException("Cannot retry request " +
                            "with a non-repeatable request entity.");
                }
                requestProducer.resetRequest();
            }
            if (this.log.isDebugEnabled()) {
                this.log.debug("[exchange: " + state.getId() + "] Attempt " + state.getExecCount() +
                    " to execute request");
            }


            if (!currentRequest.containsHeader(AUTH.WWW_AUTH_RESP)) {
                final AuthState targetAuthState = localContext.getTargetAuthState();
                if (this.log.isDebugEnabled()) {
                    this.log.debug("Target auth state: " + targetAuthState.getState());
                }
                this.authenticator.generateAuthResponse(currentRequest, targetAuthState, localContext);
            }
            if (!currentRequest.containsHeader(AUTH.PROXY_AUTH_RESP) && !route.isTunnelled()) {
                final AuthState proxyAuthState = localContext.getProxyAuthState();
                if (this.log.isDebugEnabled()) {
                    this.log.debug("Proxy auth state: " + proxyAuthState.getState());
                }
                this.authenticator.generateAuthResponse(currentRequest, proxyAuthState, localContext);
            }
        } else {
            if (!currentRequest.containsHeader(AUTH.PROXY_AUTH_RESP)) {
                final AuthState proxyAuthState = localContext.getProxyAuthState();
                if (this.log.isDebugEnabled()) {
                    this.log.debug("Proxy auth state: " + proxyAuthState.getState());
                }
                this.authenticator.generateAuthResponse(currentRequest, proxyAuthState, localContext);
            }
        }


        localContext.setAttribute(HttpCoreContext.HTTP_CONNECTION, managedConn);
        final RequestConfig config = localContext.getRequestConfig();
        if (config.getSocketTimeout() > 0) {
            managedConn.setSocketTimeout(config.getSocketTimeout());
        }
        return currentRequest;
    }

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Examples of org.apache.http.nio.NHttpClientConnection

                state.setCurrentResponse(null);
                return;
            }
        }


        final NHttpClientConnection managedConn = connManager.getConnection();
        if (managedConn.isOpen() && this.connReuseStrategy.keepAlive(currentResponse, localContext)) {
            final long validDuration = this.keepaliveStrategy.getKeepAliveDuration(
                    currentResponse, localContext);
            if (this.log.isDebugEnabled()) {
                final String s;
                if (validDuration > 0) {
                    s = "for " + validDuration + " " + TimeUnit.MILLISECONDS;
                } else {
                    s = "indefinitely";
                }
                this.log.debug("[exchange: " + state.getId() + "] Connection can be kept alive " + s);
            }
            state.setValidDuration(validDuration);
            state.setReusable();
        } else {
            if (this.log.isDebugEnabled()) {
                if (managedConn.isOpen()) {
                    this.log.debug("[exchange: " + state.getId() + "] Connection cannot be kept alive");
                }
            }
            state.setNonReusable();
            connManager.releaseConnection();

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Examples of org.apache.http.nio.NHttpClientConnection

    public HttpConnectionMetrics getMetrics() {
        return getValidConnection().getMetrics();
    }


    public void requestInput() {
        final NHttpClientConnection conn = getConnection();
        if (conn != null) {
            conn.requestInput();
        }
    }

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Examples of org.apache.http.nio.NHttpClientConnection

            conn.requestInput();
        }
    }


    public void suspendInput() {
        final NHttpClientConnection conn = getConnection();
        if (conn != null) {
            conn.suspendInput();
        }
    }

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