Example usage for org.apache.http.protocol HTTP CONN_KEEP_ALIVE

List of usage examples for org.apache.http.protocol HTTP CONN_KEEP_ALIVE

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Introduction

In this page you can find the example usage for org.apache.http.protocol HTTP CONN_KEEP_ALIVE.

Prototype

String CONN_KEEP_ALIVE

To view the source code for org.apache.http.protocol HTTP CONN_KEEP_ALIVE.

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Usage

From source file:org.alfresco.cacheserver.http.CacheHttpClient.java

private CloseableHttpClient getHttpClient(HttpHost target, HttpClientContext localContext, String username,
        String password) {//from w  w  w.jav  a 2  s . c  o  m
    ConnectionKeepAliveStrategy keepAliveStrategy = new ConnectionKeepAliveStrategy() {

        public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
            // Honor 'keep-alive' header
            HeaderElementIterator it = new BasicHeaderElementIterator(
                    response.headerIterator(HTTP.CONN_KEEP_ALIVE));
            while (it.hasNext()) {
                HeaderElement he = it.nextElement();
                String param = he.getName();
                String value = he.getValue();
                if (value != null && param.equalsIgnoreCase("timeout")) {
                    try {
                        return Long.parseLong(value) * 1000;
                    } catch (NumberFormatException ignore) {
                    }
                }
            }
            HttpHost target = (HttpHost) context.getAttribute(HttpClientContext.HTTP_TARGET_HOST);
            if ("www.naughty-server.com".equalsIgnoreCase(target.getHostName())) {
                // Keep alive for 5 seconds only
                return 5 * 1000;
            } else {
                // otherwise keep alive for 30 seconds
                return 30 * 1000;
            }
        }

    };

    HttpRequestRetryHandler retryHandler = new HttpRequestRetryHandler() {

        public boolean retryRequest(IOException exception, int executionCount, HttpContext context) {
            if (executionCount >= 5) {
                // Do not retry if over max retry count
                return false;
            }
            if (exception instanceof InterruptedIOException) {
                // Timeout
                return false;
            }
            if (exception instanceof UnknownHostException) {
                // Unknown host
                return false;
            }
            if (exception instanceof ConnectTimeoutException) {
                // Connection refused
                return false;
            }
            if (exception instanceof SSLException) {
                // SSL handshake exception
                return false;
            }
            HttpClientContext clientContext = HttpClientContext.adapt(context);
            HttpRequest request = clientContext.getRequest();
            boolean idempotent = !(request instanceof HttpEntityEnclosingRequest);
            if (idempotent) {
                // Retry if the request is considered idempotent
                return true;
            }
            return false;
        }
    };

    CredentialsProvider credsProvider = new BasicCredentialsProvider();
    credsProvider.setCredentials(new AuthScope(target.getHostName(), target.getPort()),
            new UsernamePasswordCredentials(username, password));
    RequestConfig defaultRequestConfig = RequestConfig.custom().setCookieSpec(CookieSpecs.DEFAULT)
            .setExpectContinueEnabled(true)
            //                .setStaleConnectionCheckEnabled(true)
            .setTargetPreferredAuthSchemes(Arrays.asList(AuthSchemes.BASIC))
            .setProxyPreferredAuthSchemes(Arrays.asList(AuthSchemes.BASIC)).build();
    CloseableHttpClient httpclient = HttpClients.custom().setDefaultRequestConfig(defaultRequestConfig)
            .setDefaultCredentialsProvider(credsProvider).setKeepAliveStrategy(keepAliveStrategy)
            .setRetryHandler(retryHandler).build();
    return httpclient;
}

From source file:mx.bigdata.utils.pubsubhubbub.Subscriber.java

public Subscriber(CallbackServer webserver) {
    this.webserver = webserver;
    SchemeRegistry schemeRegistry = new SchemeRegistry();
    schemeRegistry.register(new Scheme("http", 80, PlainSocketFactory.getSocketFactory()));
    schemeRegistry.register(new Scheme("https", 443, SSLSocketFactory.getSocketFactory()));
    //ConnManagerParams.setMaxTotalConnections(params, 200);
    //ConnPerRouteBean connPerRoute = new ConnPerRouteBean(20);
    //connPerRoute.setDefaultMaxPerRoute(50);
    //ConnManagerParams.setMaxConnectionsPerRoute(params, connPerRoute);
    ThreadSafeClientConnManager cm = new ThreadSafeClientConnManager(schemeRegistry);
    cm.setMaxTotal(200);/*from  w w w.  j  a  v a2  s  . c om*/
    cm.setDefaultMaxPerRoute(50);
    httpClient = new DefaultHttpClient(cm, new BasicHttpParams());
    httpClient.setKeepAliveStrategy(new ConnectionKeepAliveStrategy() {
        public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
            HeaderElementIterator it = new BasicHeaderElementIterator(
                    response.headerIterator(HTTP.CONN_KEEP_ALIVE));
            while (it.hasNext()) {
                HeaderElement he = it.nextElement();
                String param = he.getName();
                String value = he.getValue();
                if (value != null && param.equalsIgnoreCase("timeout")) {
                    try {
                        return Long.parseLong(value) * 1000;
                    } catch (NumberFormatException ignore) {
                    }
                }
            }
            return 30 * 1000;
        }
    });
}

From source file:org.frontcache.client.FrontCacheClient.java

private FrontCacheClient(String frontcacheURL) {
    final RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(CONNECTION_TIMEOUT)
            .setConnectTimeout(CONNECTION_TIMEOUT).setCookieSpec(CookieSpecs.IGNORE_COOKIES).build();

    ConnectionKeepAliveStrategy keepAliveStrategy = new ConnectionKeepAliveStrategy() {
        @Override//  w w w  . j  a  v a  2 s.  co m
        public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
            HeaderElementIterator it = new BasicHeaderElementIterator(
                    response.headerIterator(HTTP.CONN_KEEP_ALIVE));
            while (it.hasNext()) {
                HeaderElement he = it.nextElement();
                String param = he.getName();
                String value = he.getValue();
                if (value != null && param.equalsIgnoreCase("timeout")) {
                    return Long.parseLong(value) * 1000;
                }
            }
            return 10 * 1000;
        }
    };

    client = HttpClients.custom().setDefaultRequestConfig(requestConfig)
            .setRetryHandler(new DefaultHttpRequestRetryHandler(0, false))
            .setKeepAliveStrategy(keepAliveStrategy).setRedirectStrategy(new RedirectStrategy() {
                @Override
                public boolean isRedirected(HttpRequest request, HttpResponse response, HttpContext context)
                        throws ProtocolException {
                    return false;
                }

                @Override
                public HttpUriRequest getRedirect(HttpRequest request, HttpResponse response,
                        HttpContext context) throws ProtocolException {
                    return null;
                }
            }).build();

    this.frontCacheURL = frontcacheURL;

    if (frontcacheURL.endsWith("/"))
        this.frontCacheURI = frontcacheURL + IO_URI;
    else
        this.frontCacheURI = frontcacheURL + "/" + IO_URI;
}

From source file:ingest.Application.java

@Bean
public RestTemplate restTemplate() {
    RestTemplate restTemplate = new RestTemplate();
    HttpClient httpClient = HttpClientBuilder.create().setMaxConnTotal(httpMaxTotal)
            .setMaxConnPerRoute(httpMaxRoute).setKeepAliveStrategy(new ConnectionKeepAliveStrategy() {
                @Override// w  w  w. j av a 2 s.c om
                public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
                    HeaderElementIterator it = new BasicHeaderElementIterator(
                            response.headerIterator(HTTP.CONN_KEEP_ALIVE));
                    while (it.hasNext()) {
                        HeaderElement headerElement = it.nextElement();
                        String param = headerElement.getName();
                        String value = headerElement.getValue();
                        if (value != null && param.equalsIgnoreCase("timeout")) {
                            return Long.parseLong(value) * 1000;
                        }
                    }
                    return (long) 5 * 1000;
                }
            }).build();
    restTemplate.setRequestFactory(new HttpComponentsClientHttpRequestFactory(httpClient));
    return restTemplate;
}

From source file:org.talend.dataprep.configuration.HttpClient.java

/**
 * @return The connection keep alive strategy.
 *//*from   ww  w  .jav a  2  s  .  c  om*/
private ConnectionKeepAliveStrategy getKeepAliveStrategy() {

    return (response, context) -> {
        // Honor 'keep-alive' header
        HeaderElementIterator it = new BasicHeaderElementIterator(
                response.headerIterator(HTTP.CONN_KEEP_ALIVE));
        while (it.hasNext()) {
            HeaderElement he = it.nextElement();
            String param = he.getName();
            String value = he.getValue();
            if (value != null && "timeout".equalsIgnoreCase(param)) {
                try {
                    return Long.parseLong(value) * 1000;
                } catch (NumberFormatException ignore) {
                    // let's move on the next header value
                    break;
                }
            }
        }
        // otherwise use the default value
        return defaultKeepAlive * 1000;
    };
}

From source file:com.arangodb.http.HttpManager.java

public void init() {
    // socket factory for HTTP
    ConnectionSocketFactory plainsf = new PlainConnectionSocketFactory();

    // socket factory for HTTPS
    SSLConnectionSocketFactory sslsf = null;
    if (configure.getSslContext() != null) {
        sslsf = new SSLConnectionSocketFactory(configure.getSslContext());
    } else {//w w  w  . j av  a 2 s.  c  om
        sslsf = new SSLConnectionSocketFactory(SSLContexts.createSystemDefault());
    }

    // register socket factories
    Registry<ConnectionSocketFactory> r = RegistryBuilder.<ConnectionSocketFactory>create()
            .register("http", plainsf).register("https", sslsf).build();

    // ConnectionManager
    cm = new PoolingHttpClientConnectionManager(r);
    cm.setDefaultMaxPerRoute(configure.getMaxPerConnection());
    cm.setMaxTotal(configure.getMaxTotalConnection());

    Builder custom = RequestConfig.custom();

    // RequestConfig
    if (configure.getConnectionTimeout() >= 0) {
        custom.setConnectTimeout(configure.getConnectionTimeout());
    }
    if (configure.getTimeout() >= 0) {
        custom.setConnectionRequestTimeout(configure.getTimeout());
        custom.setSocketTimeout(configure.getTimeout());
    }
    custom.setStaleConnectionCheckEnabled(configure.isStaleConnectionCheck());

    RequestConfig requestConfig = custom.build();

    HttpClientBuilder builder = HttpClientBuilder.create().setDefaultRequestConfig(requestConfig);
    builder.setConnectionManager(cm);

    // KeepAlive Strategy
    ConnectionKeepAliveStrategy keepAliveStrategy = new ConnectionKeepAliveStrategy() {

        @Override
        public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
            // Honor 'keep-alive' header
            HeaderElementIterator it = new BasicHeaderElementIterator(
                    response.headerIterator(HTTP.CONN_KEEP_ALIVE));
            while (it.hasNext()) {
                HeaderElement he = it.nextElement();
                String param = he.getName();
                String value = he.getValue();
                if (value != null && param.equalsIgnoreCase("timeout")) {
                    try {
                        return Long.parseLong(value) * 1000;
                    } catch (NumberFormatException ignore) {
                    }
                }
            }
            // otherwise keep alive for 30 seconds
            return 30 * 1000;
        }

    };
    builder.setKeepAliveStrategy(keepAliveStrategy);

    // Retry Handler
    builder.setRetryHandler(new DefaultHttpRequestRetryHandler(configure.getRetryCount(), false));

    // Proxy
    if (configure.getProxyHost() != null && configure.getProxyPort() != 0) {
        HttpHost proxy = new HttpHost(configure.getProxyHost(), configure.getProxyPort(), "http");

        DefaultProxyRoutePlanner routePlanner = new DefaultProxyRoutePlanner(proxy);
        builder.setRoutePlanner(routePlanner);
    }

    // Client
    client = builder.build();

    // Basic Auth
    // if (configure.getUser() != null && configure.getPassword() != null) {
    // AuthScope scope = AuthScope.ANY; // TODO
    // this.credentials = new
    // UsernamePasswordCredentials(configure.getUser(),
    // configure.getPassword());
    // client.getCredentialsProvider().setCredentials(scope, credentials);
    // }

}

From source file:org.artifactory.util.HttpClientConfigurator.java

/**
 * Produces a {@link ConnectionKeepAliveStrategy}
 *
 * @return keep-alive strategy to be used for connection pool
 *///w w w .  ja  va  2  s .co  m
private ConnectionKeepAliveStrategy getConnectionKeepAliveStrategy() {
    return new ConnectionKeepAliveStrategy() {
        @Override
        public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
            // Honor 'keep-alive' header
            HeaderElementIterator it = new BasicHeaderElementIterator(
                    response.headerIterator(HTTP.CONN_KEEP_ALIVE));
            while (it.hasNext()) {
                HeaderElement he = it.nextElement();
                String param = he.getName();
                String value = he.getValue();
                if (value != null && param.equalsIgnoreCase("timeout")) {
                    try {
                        return Long.parseLong(value) * 1000;
                    } catch (NumberFormatException ignore) {
                    }
                }
            }
            HttpHost target = (HttpHost) context.getAttribute(HttpClientContext.HTTP_TARGET_HOST);
            if ("www.naughty-server.com".equalsIgnoreCase(target.getHostName())) {
                return 5 * 1000;
            } else {
                return 30 * 1000;
            }
        }
    };
}

From source file:com.alibaba.dubbo.rpc.protocol.rest.RestProtocol.java

protected <T> T doRefer(Class<T> serviceType, URL url) throws RpcException {
    if (connectionMonitor == null) {
        connectionMonitor = new ConnectionMonitor();
    }/*from w ww  . ja  v  a  2s  .co m*/

    // TODO more configs to add

    PoolingClientConnectionManager connectionManager = new PoolingClientConnectionManager();
    // 20 is the default maxTotal of current PoolingClientConnectionManager
    connectionManager.setMaxTotal(url.getParameter(Constants.CONNECTIONS_KEY, 20));
    connectionManager.setDefaultMaxPerRoute(url.getParameter(Constants.CONNECTIONS_KEY, 20));

    connectionMonitor.addConnectionManager(connectionManager);

    //        BasicHttpContext localContext = new BasicHttpContext();

    DefaultHttpClient httpClient = new DefaultHttpClient(connectionManager);

    httpClient.setKeepAliveStrategy(new ConnectionKeepAliveStrategy() {
        public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
            HeaderElementIterator it = new BasicHeaderElementIterator(
                    response.headerIterator(HTTP.CONN_KEEP_ALIVE));
            while (it.hasNext()) {
                HeaderElement he = it.nextElement();
                String param = he.getName();
                String value = he.getValue();
                if (value != null && param.equalsIgnoreCase("timeout")) {
                    return Long.parseLong(value) * 1000;
                }
            }
            // TODO constant
            return 30 * 1000;
        }
    });

    HttpParams params = httpClient.getParams();
    // TODO currently no xml config for Constants.CONNECT_TIMEOUT_KEY so we directly reuse Constants.TIMEOUT_KEY for now
    HttpConnectionParams.setConnectionTimeout(params,
            url.getParameter(Constants.TIMEOUT_KEY, Constants.DEFAULT_TIMEOUT));
    HttpConnectionParams.setSoTimeout(params,
            url.getParameter(Constants.TIMEOUT_KEY, Constants.DEFAULT_TIMEOUT));
    HttpConnectionParams.setTcpNoDelay(params, true);
    HttpConnectionParams.setSoKeepalive(params, true);

    ApacheHttpClient4Engine engine = new ApacheHttpClient4Engine(httpClient/*, localContext*/);

    ResteasyClient client = new ResteasyClientBuilder().httpEngine(engine).build();
    clients.add(client);

    client.register(RpcContextFilter.class);
    for (String clazz : Constants.COMMA_SPLIT_PATTERN.split(url.getParameter(Constants.EXTENSION_KEY, ""))) {
        if (!StringUtils.isEmpty(clazz)) {
            try {
                client.register(Thread.currentThread().getContextClassLoader().loadClass(clazz.trim()));
            } catch (ClassNotFoundException e) {
                throw new RpcException("Error loading JAX-RS extension class: " + clazz.trim(), e);
            }
        }
    }

    // TODO protocol
    ResteasyWebTarget target = client
            .target("http://" + url.getHost() + ":" + url.getPort() + "/" + getContextPath(url));
    return target.proxy(serviceType);
}

From source file:com.alibaba.dubbo.rpc.protocol.resteasy.RestProtocol.java

protected <T> T doRefer(Class<T> serviceType, URL url) throws RpcException {
    if (connectionMonitor == null) {
        connectionMonitor = new ConnectionMonitor();
    }//from   ww w.  j a  va  2 s  .  c o  m

    // TODO more configs to add

    PoolingClientConnectionManager connectionManager = new PoolingClientConnectionManager();
    // 20 is the default maxTotal of current PoolingClientConnectionManager
    connectionManager.setMaxTotal(url.getParameter(Constants.CONNECTIONS_KEY, 20));
    connectionManager.setDefaultMaxPerRoute(url.getParameter(Constants.CONNECTIONS_KEY, 20));

    connectionMonitor.addConnectionManager(connectionManager);

    // BasicHttpContext localContext = new BasicHttpContext();

    DefaultHttpClient httpClient = new DefaultHttpClient(connectionManager);

    httpClient.setKeepAliveStrategy(new ConnectionKeepAliveStrategy() {
        public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
            HeaderElementIterator it = new BasicHeaderElementIterator(
                    response.headerIterator(HTTP.CONN_KEEP_ALIVE));
            while (it.hasNext()) {
                HeaderElement he = it.nextElement();
                String param = he.getName();
                String value = he.getValue();
                if (value != null && param.equalsIgnoreCase("timeout")) {
                    return Long.parseLong(value) * 1000;
                }
            }
            // TODO constant
            return 30 * 1000;
        }
    });

    HttpParams params = httpClient.getParams();
    // TODO currently no xml config for Constants.CONNECT_TIMEOUT_KEY so we directly reuse Constants.TIMEOUT_KEY for now
    HttpConnectionParams.setConnectionTimeout(params,
            url.getParameter(Constants.TIMEOUT_KEY, Constants.DEFAULT_TIMEOUT));
    HttpConnectionParams.setSoTimeout(params,
            url.getParameter(Constants.TIMEOUT_KEY, Constants.DEFAULT_TIMEOUT));
    HttpConnectionParams.setTcpNoDelay(params, true);
    HttpConnectionParams.setSoKeepalive(params, true);

    ApacheHttpClient4Engine engine = new ApacheHttpClient4Engine(httpClient/* , localContext */);

    ResteasyClient client = new ResteasyClientBuilder().httpEngine(engine).build();
    clients.add(client);

    client.register(RpcContextFilter.class);
    for (String clazz : Constants.COMMA_SPLIT_PATTERN.split(url.getParameter(Constants.EXTENSION_KEY, ""))) {
        if (!StringUtils.isEmpty(clazz)) {
            try {
                client.register(Thread.currentThread().getContextClassLoader().loadClass(clazz.trim()));
            } catch (ClassNotFoundException e) {
                throw new RpcException("Error loading JAX-RS extension class: " + clazz.trim(), e);
            }
        }
    }

    // dubbo ?
    String version = url.getParameter(Constants.VERSION_KEY);
    String versionPath = "";
    if (StringUtils.isNotEmpty(version)) {
        versionPath = version + "/";
    }
    // TODO protocol
    ResteasyWebTarget target = client
            .target("http://" + url.getHost() + ":" + url.getPort() + "/" + versionPath + getContextPath(url));
    return target.proxy(serviceType);
}