org.apache.http.impl.conn.PoolingHttpClientConnectionManager#setValidateAfterInactivity ( )源码实例Demo

/**
 * Create a HttpClient
 * @return a HttpClient
 */
private HttpClient createHttpClient() {
    SSLContext sslContext = SSLContexts.createDefault();
    SSLConnectionSocketFactory sslConnectionSocketFactory = new SSLConnectionSocketFactory(sslContext,
            new String[]{"TLSv1.1", "TLSv1.2"}, null, SSLConnectionSocketFactory.getDefaultHostnameVerifier());
    Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory>create()
            .register("https", sslConnectionSocketFactory)
            .build();

    PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(registry);
    connectionManager.setMaxTotal(MercadoPago.SDK.getMaxConnections());
    connectionManager.setDefaultMaxPerRoute(MercadoPago.SDK.getMaxConnections());
    connectionManager.setValidateAfterInactivity(VALIDATE_INACTIVITY_INTERVAL_MS);

    DefaultHttpRequestRetryHandler retryHandler = new DefaultHttpRequestRetryHandler(MercadoPago.SDK.getRetries(), false);

    HttpClientBuilder httpClientBuilder = HttpClients.custom()
            .setConnectionManager(connectionManager)
            .setKeepAliveStrategy(new KeepAliveStrategy())
            .setRetryHandler(retryHandler)
            .disableCookieManagement()
            .disableRedirectHandling();

    return httpClientBuilder.build();
}
 

/**
 * 实例化HttpClient
 *
 * @param maxTotal
 * @param maxPerRoute
 * @param socketTimeout
 * @param connectTimeout
 * @param connectionRequestTimeout
 * @return
 */
public static HttpClient createHttpClient(int maxTotal, int maxPerRoute, int socketTimeout, int connectTimeout,
                                          int connectionRequestTimeout) {
    RequestConfig defaultRequestConfig = RequestConfig.custom()
            .setSocketTimeout(socketTimeout)
            .setConnectTimeout(connectTimeout)
            .setConnectionRequestTimeout(connectionRequestTimeout).build();

    PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
    cm.setMaxTotal(maxTotal);
    cm.setDefaultMaxPerRoute(maxPerRoute);
    cm.setValidateAfterInactivity(200); // 一个连接idle超过200ms,再次被使用之前,需要先做validation
    CloseableHttpClient httpClient = HttpClients.custom()
            .setConnectionManager(cm)
            .setConnectionTimeToLive(30, TimeUnit.SECONDS)
            .setRetryHandler(new StandardHttpRequestRetryHandler(3, true)) // 配置出错重试
            .setDefaultRequestConfig(defaultRequestConfig).build();

    startMonitorThread(cm);

    return httpClient;
}
 

@Inject
public HomeGraphAPI(GoogleConfig config,
      GoogleRpcContext rpcContext,
      ProductCatalogManager prodCat,
      GoogleWhitelist whitelist,
      @Named(EXECUTOR_NAME) HashedWheelTimer executor
) {
   this.config = config;
   requestConfig = RequestConfig.custom()
      .setConnectionRequestTimeout(config.getConnectionRequestTimeoutMs())
      .setConnectTimeout(config.getConnectionTimeoutMs())
      .setSocketTimeout(config.getSocketTimeoutMs())
      .build();

   pool = new PoolingHttpClientConnectionManager(config.getTimeToLiveMs(), TimeUnit.MILLISECONDS);
   pool.setDefaultMaxPerRoute(config.getRouteMaxConnections());
   pool.setMaxTotal(config.getMaxConnections());
   pool.setValidateAfterInactivity(config.getValidateAfterInactivityMs());
   this.gRpcContext = rpcContext;
   this.prodCat = prodCat;
   this.whitelist = whitelist;
   this.executor = executor;
}
 

public SeedManager(final String joalConfFolder, final ObjectMapper mapper, final ApplicationEventPublisher publisher) throws IOException {
    this.isSeeding = false;
    this.joalFoldersPath = new JoalFoldersPath(Paths.get(joalConfFolder));
    this.torrentFileProvider = new TorrentFileProvider(joalFoldersPath);
    this.configProvider = new JoalConfigProvider(mapper, joalFoldersPath, publisher);
    this.bitTorrentClientProvider = new BitTorrentClientProvider(configProvider, mapper, joalFoldersPath);
    this.publisher = publisher;
    this.connectionHandler = new ConnectionHandler();


    final SocketConfig sc = SocketConfig.custom()
            .setSoTimeout(30000)
            .build();
    final PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager();
    connManager.setDefaultMaxPerRoute(100);
    connManager.setMaxTotal(200);
    connManager.setValidateAfterInactivity(1000);
    connManager.setDefaultSocketConfig(sc);
    this.httpClient = HttpClients.custom()
            .setConnectionTimeToLive(1, TimeUnit.MINUTES)
            .setConnectionManager(connManager)
            .setConnectionManagerShared(true)
            .build();
}
 

private AuthzClient getAuthzClient(String configFile) {
    if (authzClient == null) {
        Configuration configuration;
        try {
            configuration = JsonSerialization.readValue(httpsAwareConfigurationStream(getClass().getResourceAsStream("/authorization-test/" + configFile)), Configuration.class);
        } catch (IOException e) {
            throw new RuntimeException("Failed to read configuration", e);
        }
        PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager();
        connectionManager.setValidateAfterInactivity(10);
        connectionManager.setMaxTotal(10);
        HttpClient client = HttpClients.custom()
                .setConnectionManager(connectionManager)
                .build();
        authzClient = AuthzClient.create(new Configuration(configuration.getAuthServerUrl(), configuration.getRealm(), configuration.getResource(), configuration.getCredentials(), client));
    }

    return authzClient;
}
 

@Before
public void initializeClient() {
    PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager();
    connectionManager.setMaxTotal(Math.max(1, MAX_THREADS / 10));
    connectionManager.setDefaultMaxPerRoute(connectionManager.getMaxTotal());
    connectionManager.setValidateAfterInactivity(10000);
    connectionManager.setDefaultSocketConfig(getDefaultSocketConfig());

    client = HttpClients.custom()
            .setConnectionManager(connectionManager)
            .setDefaultCookieStore(new BasicCookieStore())
            .setDefaultRequestConfig(getDefaultRequestConfig())
            .setRedirectStrategy(new CustomRedirectStrategy())
            .setRetryHandler(new DefaultHttpRequestRetryHandler(0, false))
            .build();
}
 

private void createNewConnectionManager() {
    try {
        SSLContextBuilder builder = new SSLContextBuilder();
        builder.loadTrustMaterial(new TrustSelfSignedStrategy());

        SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
                builder.build(), NoopHostnameVerifier.INSTANCE);
        Registry<ConnectionSocketFactory> r = RegistryBuilder.<ConnectionSocketFactory>create()
                .register("http", new PlainConnectionSocketFactory())
                .register("https", sslsf)
                .build();
        connectionManager = new PoolingHttpClientConnectionManager(r);
        connectionManager.setValidateAfterInactivity(500);
        sharedContext = ThreadLocal.withInitial(HttpClientContext::new);
    } catch (NoSuchAlgorithmException | KeyStoreException | KeyManagementException ex) {
        Logger.getLogger(ConnectionManager.class.getName()).log(Level.SEVERE, null, ex);
    }

}
 

private static PoolingHttpClientConnectionManager buildHttpClientManager(int socketTimeout)
{
    PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
    cm.setMaxTotal(3);
    cm.setDefaultMaxPerRoute(2);

    cm.setValidateAfterInactivity(1);

    cm.setDefaultSocketConfig(SocketConfig.custom()
            .setSoTimeout(socketTimeout)
            .setSoLinger(0)
            .setTcpNoDelay(true)
            .build());

    Runtime.getRuntime().addShutdownHook(new Thread()
    {
        @Override
        public void run()
        {
            cm.close();
        }
    });

    return cm;
}
 

private static PoolingHttpClientConnectionManager createClientConnectionManager(
    Registry<ConnectionSocketFactory> registry,
    int threads) {
  PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(registry);
  connectionManager.setDefaultMaxPerRoute(threads * MAX_CONNECTIONS_MULTIPLIER);
  connectionManager.setMaxTotal(threads * MAX_CONNECTIONS_MULTIPLIER);
  connectionManager.setValidateAfterInactivity(1000);
  return connectionManager;
}
 

@Test
// @Ignore
// 8.1
public final void whenHttpClientChecksStaleConns_thenNoExceptions() {
    poolingConnManager = new PoolingHttpClientConnectionManager();
    poolingConnManager.setValidateAfterInactivity(1000);
    client = HttpClients.custom().setDefaultRequestConfig(RequestConfig.custom().build()).setConnectionManager(poolingConnManager).build();
}
 

@Inject
public AlexaHttpClient(AlexaConfig config) {
   this.config = config;
   requestConfig = RequestConfig.custom()
      .setConnectionRequestTimeout(config.getConnectionRequestTimeoutMs())
      .setConnectTimeout(config.getConnectionTimeoutMs())
      .setSocketTimeout(config.getSocketTimeoutMs())
      .build();

   pool = new PoolingHttpClientConnectionManager(config.getTimeToLiveMs(), TimeUnit.MILLISECONDS);
   pool.setDefaultMaxPerRoute(config.getRouteMaxConnections());
   pool.setMaxTotal(config.getMaxConnections());
   pool.setValidateAfterInactivity(config.getValidateAfterInactivityMs());
}
 

public  HttpClientConnectionManager createHttpClientConnectionManager() {
	SSLContext sslContext = null;
	try {
		sslContext = SSLContexts.custom().loadTrustMaterial(null, new TrustStrategy() {
			@Override
			public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
				return false;
			}
		}).build();
	} catch (Exception e) {
		throw new RuntimeException(e);
	}
	SSLConnectionSocketFactory sslSocketFactory = new SSLConnectionSocketFactory(sslContext,
			NoopHostnameVerifier.INSTANCE);
	Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
			.register("http", PlainConnectionSocketFactory.getSocketFactory()).register("https", sslSocketFactory)
			.build();
	PoolingHttpClientConnectionManager poolingHttpClientConnectionManager = new PoolingHttpClientConnectionManager(
			socketFactoryRegistry);
	// 最大连接数
	poolingHttpClientConnectionManager.setMaxTotal(httpClientConfig.getMaxTotal());
	// 单个站点最大连接数
	poolingHttpClientConnectionManager.setDefaultMaxPerRoute(httpClientConfig.getMaxPerRoute());
	// 长连接
	poolingHttpClientConnectionManager.setDefaultSocketConfig(
			SocketConfig.custom().setSoTimeout(httpClientConfig.getSocketTimeout()).setSoKeepAlive(true).build());
	// 连接不活跃多久检查毫秒 并不是100 % 可信
	poolingHttpClientConnectionManager.setValidateAfterInactivity(httpClientConfig.getValidateAfterInactivity());
	// 空闲扫描线程
	HttpClientIdleConnectionMonitor.registerConnectionManager(poolingHttpClientConnectionManager, httpClientConfig);
	return poolingHttpClientConnectionManager;
}
 

public PoolingHttpClientConnectionManager createConnectionManager(final Registry<ConnectionSocketFactory> registry) {
    if(log.isDebugEnabled()) {
        log.debug(String.format("Setup connection pool with registry %s", registry));
    }
    final PoolingHttpClientConnectionManager manager = new PoolingHttpClientConnectionManager(registry);
    manager.setMaxTotal(preferences.getInteger("http.connections.total"));
    manager.setDefaultMaxPerRoute(preferences.getInteger("http.connections.route"));
    // Detect connections that have become stale (half-closed) while kept inactive in the pool
    manager.setValidateAfterInactivity(preferences.getInteger("http.connections.stale.check.ms"));
    return manager;
}
 

/**
 * 获取HttpClient
 *
 * @return 获取HttpClient
 */
private static CloseableHttpClient globalHttpClient() {
    PoolingHttpClientConnectionManager connectionManager = getConnectionManager();
    connectionManager.setMaxTotal(TOTAL_MAX_CONNECTION);
    connectionManager.setDefaultMaxPerRoute(MAX_CONNECTION_PER_ROUTE);
    connectionManager.setValidateAfterInactivity(1);
    return HttpClients.custom().setConnectionManager(connectionManager).build();
}
 

public static PoolingHttpClientConnectionManager getConnectionManager(int maxConnections) {
    //configure connection manager
    PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager();
    connectionManager.setDefaultMaxPerRoute(maxConnections);
    connectionManager.setMaxTotal(maxConnections);
    connectionManager.setValidateAfterInactivity(30000);
    return connectionManager;
}
 

/**
 * Create a HttpClient
 * 
 * @return a HttpClient
 */
private HttpClient createHttpClient() {
    PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager();
    connectionManager.setMaxTotal(DEFAULT_MAX_CONNECTIONS);
    connectionManager.setDefaultMaxPerRoute(MercadoPago.SDK.getMaxConnections());
    connectionManager.setValidateAfterInactivity(VALIDATE_INACTIVITY_INTERVAL_MS);
    DefaultHttpRequestRetryHandler retryHandler = new DefaultHttpRequestRetryHandler(MercadoPago.SDK.getRetries(),
            false);

    HttpClientBuilder httpClientBuilder = HttpClients.custom().setConnectionManager(connectionManager)
            .setKeepAliveStrategy(new KeepAliveStrategy()).setRetryHandler(retryHandler).disableCookieManagement()
            .disableRedirectHandling();

    return httpClientBuilder.build();
}
 

public OptimizelyHttpClient build() {
    PoolingHttpClientConnectionManager poolingHttpClientConnectionManager = new PoolingHttpClientConnectionManager();
    poolingHttpClientConnectionManager.setMaxTotal(maxTotalConnections);
    poolingHttpClientConnectionManager.setDefaultMaxPerRoute(maxPerRoute);
    poolingHttpClientConnectionManager.setValidateAfterInactivity(validateAfterInactivity);

    CloseableHttpClient closableHttpClient = HttpClients.custom()
        .setDefaultRequestConfig(HttpClientUtils.DEFAULT_REQUEST_CONFIG)
        .setConnectionManager(poolingHttpClientConnectionManager)
        .disableCookieManagement()
        .useSystemProperties()
        .build();

    return new OptimizelyHttpClient(closableHttpClient);
}
 

/**
 * Returns a new instance of {@link ApacheHttpTransport} that uses
 * {@link GoogleUtils#getCertificateTrustStore()} for the trusted certificates.
 */
public static ApacheHttpTransport newTrustedTransport() throws GeneralSecurityException,
    IOException {
  // Set socket buffer sizes to 8192
  SocketConfig socketConfig =
      SocketConfig.custom()
          .setRcvBufSize(8192)
          .setSndBufSize(8192)
          .build();

  PoolingHttpClientConnectionManager connectionManager =
      new PoolingHttpClientConnectionManager(-1, TimeUnit.MILLISECONDS);

  // Disable the stale connection check (previously configured in the HttpConnectionParams
  connectionManager.setValidateAfterInactivity(-1);

  // Use the included trust store
  KeyStore trustStore = GoogleUtils.getCertificateTrustStore();
  SSLContext sslContext = SslUtils.getTlsSslContext();
  SslUtils.initSslContext(sslContext, trustStore, SslUtils.getPkixTrustManagerFactory());
  LayeredConnectionSocketFactory socketFactory = new SSLConnectionSocketFactory(sslContext);

  HttpClient client = HttpClientBuilder.create()
      .useSystemProperties()
      .setSSLSocketFactory(socketFactory)
      .setDefaultSocketConfig(socketConfig)
      .setMaxConnTotal(200)
      .setMaxConnPerRoute(20)
      .setRoutePlanner(new SystemDefaultRoutePlanner(ProxySelector.getDefault()))
      .setConnectionManager(connectionManager)
      .disableRedirectHandling()
      .disableAutomaticRetries()
      .build();
  return new ApacheHttpTransport(client);
}
 

public CloseableHttpClient createSyncClient(boolean proxy)
        throws Exception {

    HttpMessageParserFactory<HttpResponse> responseParserFactory = new DefaultHttpResponseParserFactory();
    HttpMessageWriterFactory<HttpRequest> requestWriterFactory = new DefaultHttpRequestWriterFactory();

    HttpConnectionFactory<HttpRoute, ManagedHttpClientConnection> connFactory = new ManagedHttpClientConnectionFactory(
            requestWriterFactory, responseParserFactory);

    SSLContext sslcontext = SSLContexts.createSystemDefault();

    Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
            .register("http", PlainConnectionSocketFactory.INSTANCE)
            .register("https", new SSLConnectionSocketFactory(sslcontext))
            .build();

    // Create a connection manager with custom configuration.
    PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager(
            socketFactoryRegistry, connFactory);

    // Create socket configuration
    SocketConfig socketConfig = SocketConfig.custom()
            .setTcpNoDelay(true)
            .build();
    // Configure the connection manager to use socket configuration either
    // by default or for a specific host.
    connManager.setDefaultSocketConfig(socketConfig);
    connManager.setSocketConfig(new HttpHost("somehost", 80), socketConfig);
    // Validate connections after 1 sec of inactivity
    connManager.setValidateAfterInactivity(1000);

    // Create message constraints
    MessageConstraints messageConstraints = MessageConstraints.custom()
            .setMaxHeaderCount(200)
            .setMaxLineLength(2000)
            .build();
    // Create connection configuration
    ConnectionConfig connectionConfig = ConnectionConfig.custom()
            .setMalformedInputAction(CodingErrorAction.IGNORE)
            .setUnmappableInputAction(CodingErrorAction.IGNORE)
            .setCharset(Consts.UTF_8)
            .setMessageConstraints(messageConstraints)
            .build();
    // Configure the connection manager to use connection configuration either
    // by default or for a specific host.
    connManager.setDefaultConnectionConfig(connectionConfig);

    // Configure total max or per route limits for persistent connections
    // that can be kept in the pool or leased by the connection manager.
    connManager.setMaxTotal(poolSize);
    if (maxPerRoute > 0) {
        connManager.setDefaultMaxPerRoute(maxPerRoute);
    } else {
        connManager.setDefaultMaxPerRoute(10);
    }

    // Use custom cookie store if necessary.
    CookieStore cookieStore = new BasicCookieStore();
    // Use custom credentials provider if necessary.
    CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
    // Create global request configuration
    RequestConfig defaultRequestConfig = RequestConfig.custom()
            .setConnectTimeout(connectTimeout)
            .setSocketTimeout(socketTimeout)
            .setConnectionRequestTimeout(connectionRequestTimeout)
            .setCookieSpec(CookieSpecs.DEFAULT)
            .setExpectContinueEnabled(true)
            .setTargetPreferredAuthSchemes(Arrays.asList(AuthSchemes.NTLM, AuthSchemes.DIGEST))
            .setProxyPreferredAuthSchemes(Arrays.asList(AuthSchemes.BASIC))
            .build();

    // Create an HttpClient with the given custom dependencies and configuration.
    CloseableHttpClient httpclient = HttpClients.custom()
            .setConnectionManager(connManager)
            .setDefaultCookieStore(cookieStore)
            .setDefaultCredentialsProvider(credentialsProvider)
            .setDefaultRequestConfig(defaultRequestConfig)
            .build();

    return httpclient;
}
 

private CloseableHttpClient getHttpClient() {
        //注册访问协议相关的Socket工厂
        Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
                .register("http", PlainConnectionSocketFactory.INSTANCE)
                .register("https", SSLConnectionSocketFactory.getSocketFactory())
                .build();

        //HttpConnectionFactory:配置写请求/解析响应处理器
        HttpConnectionFactory<HttpRoute, ManagedHttpClientConnection> connectionFactory = new ManagedHttpClientConnectionFactory(
                DefaultHttpRequestWriterFactory.INSTANCE,
                DefaultHttpResponseParserFactory.INSTANCE
        );

        //DNS解析器
        DnsResolver dnsResolver = SystemDefaultDnsResolver.INSTANCE;
        //创建连接池管理器
        PoolingHttpClientConnectionManager manager = new PoolingHttpClientConnectionManager(socketFactoryRegistry, connectionFactory, dnsResolver);
        //设置默认的socket参数
        manager.setDefaultSocketConfig(SocketConfig.custom().setTcpNoDelay(true).build());
        manager.setMaxTotal(300);//设置最大连接数。高于这个值时，新连接请求，需要阻塞，排队等待
        //路由是对MaxTotal的细分。
        // 每个路由实际最大连接数默认值是由DefaultMaxPerRoute控制。
        // MaxPerRoute设置的过小，无法支持大并发：ConnectionPoolTimeoutException:Timeout waiting for connection from pool
        manager.setDefaultMaxPerRoute(200);//每个路由的最大连接
        manager.setValidateAfterInactivity(5 * 1000);//在从连接池获取连接时，连接不活跃多长时间后需要进行一次验证，默认为2s

        //配置默认的请求参数
        RequestConfig defaultRequestConfig = RequestConfig.custom()
                .setConnectTimeout(2 * 1000)//连接超时设置为2s
                .setSocketTimeout(5 * 1000)//等待数据超时设置为5s
                .setConnectionRequestTimeout(2 * 1000)//从连接池获取连接的等待超时时间设置为2s
//                .setProxy(new Proxy(Proxy.Type.HTTP, new InetSocketAddress("192.168.0.2", 1234))) //设置代理
                .build();

        CloseableHttpClient closeableHttpClient = HttpClients.custom()
                .setConnectionManager(manager)
                .setConnectionManagerShared(false)//连接池不是共享模式，这个共享是指与其它httpClient是否共享
                .evictIdleConnections(60, TimeUnit.SECONDS)//定期回收空闲连接
                .evictExpiredConnections()//回收过期连接
                .setConnectionTimeToLive(60, TimeUnit.SECONDS)//连接存活时间，如果不设置，则根据长连接信息决定
                .setDefaultRequestConfig(defaultRequestConfig)//设置默认的请求参数
                .setConnectionReuseStrategy(DefaultConnectionReuseStrategy.INSTANCE)//连接重用策略，即是否能keepAlive
                .setKeepAliveStrategy(DefaultConnectionKeepAliveStrategy.INSTANCE)//长连接配置，即获取长连接生产多长时间
                .setRetryHandler(new DefaultHttpRequestRetryHandler(0, false))//设置重试次数，默认为3次；当前是禁用掉
                .build();

        /**
         *JVM停止或重启时，关闭连接池释放掉连接
         */
        Runtime.getRuntime().addShutdownHook(new Thread() {
            @Override
            public void run() {
                try {
                    closeableHttpClient.close();
                    log.info("http client closed");
                } catch (IOException e) {
                    log.error(e.getMessage(), e);
                }
            }
        });
        return closeableHttpClient;
    }