Java Code Examples for org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager#setDefaultMaxPerRoute()

/**
 * 创建一个{@link HttpSendClient} 实例
 * <p>
 * 多态
 * 
 * @return
 */
public HttpSendClient newHttpSendClient() {
    HttpParams params = new BasicHttpParams();
    HttpConnectionParams.setConnectionTimeout(params, getConnectionTimeOut());
    HttpConnectionParams.setSoTimeout(params, getSoTimeOut());
    // HttpConnectionParams.setLinger(params, 1);

    HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
    HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);
    // 解释: 握手的目的，是为了允许客户端在发送请求内容之前，判断源服务器是否愿意接受请求（基于请求头部）。
    // Expect:100-Continue握手需谨慎使用，因为遇到不支持HTTP/1.1协议的服务器或者代理时会引起问题。
    // 默认开启
    // HttpProtocolParams.setUseExpectContinue(params, false);
    HttpConnectionParams.setTcpNoDelay(params, true);
    HttpConnectionParams.setSocketBufferSize(params, getSocketBufferSize());

    ThreadSafeClientConnManager threadSafeClientConnManager = new ThreadSafeClientConnManager();
    threadSafeClientConnManager.setMaxTotal(getMaxTotalConnections());
    threadSafeClientConnManager.setDefaultMaxPerRoute(getDefaultMaxPerRoute());

    DefaultHttpRequestRetryHandler retryHandler = new DefaultHttpRequestRetryHandler(getRetryCount(), false);

    DefaultHttpClient httpClient = new DefaultHttpClient(threadSafeClientConnManager, params);
    httpClient.setHttpRequestRetryHandler(retryHandler);
    return new HttpSendClient(httpClient);
}
 

@Override
public void run() {
    SchemeRegistry supportedSchemes = new SchemeRegistry();
    SocketFactory sf = PlainSocketFactory.getSocketFactory();
    supportedSchemes.register(new Scheme("http", sf, 80));
    ThreadSafeClientConnManager connManager = new ThreadSafeClientConnManager(supportedSchemes);
    connManager.setDefaultMaxPerRoute(1000);
    DefaultHttpClient client = new DefaultHttpClient(connManager);
    HttpParams params = client.getParams();
    HttpConnectionParams.setConnectionTimeout(params, 30000);
    HttpConnectionParams.setSoTimeout(params, 30000);
    client.setHttpRequestRetryHandler(new HttpRequestRetryHandler() {
        public boolean retryRequest(IOException e, int i, HttpContext httpContext) {
            return false;
        }
    });
    //test API call
    long t1 = System.currentTimeMillis();
    testEndpoint(client,apiEndpoint);
    long t2 = System.currentTimeMillis();
    timeElapsedForAPICall = t2 - t1;


}
 

@Test
public void testNFHttpClient() throws Exception {
    NFHttpClient client = NFHttpClientFactory.getNFHttpClient("localhost", server.getServerPort());
    ThreadSafeClientConnManager cm = (ThreadSafeClientConnManager) client.getConnectionManager();
	cm.setDefaultMaxPerRoute(10);
    HttpGet get = new HttpGet(server.getServerURI());
    ResponseHandler<Integer> respHandler = new ResponseHandler<Integer>(){
    		public Integer handleResponse(HttpResponse response)
             throws ClientProtocolException, IOException {
    			HttpEntity entity = response.getEntity();
    			String contentStr = EntityUtils.toString(entity);
        		return contentStr.length();
    		}
    };
    long contentLen = client.execute(get, respHandler);
    assertTrue(contentLen > 0);
}
 

protected HttpClient createHttpClient(GoogleAnalyticsConfig config) {
  ThreadSafeClientConnManager connManager = new ThreadSafeClientConnManager();
  connManager.setDefaultMaxPerRoute(getDefaultMaxPerRoute(config));

  BasicHttpParams params = new BasicHttpParams();

  if (isNotEmpty(config.getUserAgent())) {
    params.setParameter(CoreProtocolPNames.USER_AGENT, config.getUserAgent());
  }

  if (isNotEmpty(config.getProxyHost())) {
    params.setParameter(ConnRoutePNames.DEFAULT_PROXY, new HttpHost(config.getProxyHost(), config.getProxyPort()));
  }

  DefaultHttpClient client = new DefaultHttpClient(connManager, params);

  if (isNotEmpty(config.getProxyUserName())) {
    BasicCredentialsProvider credentialsProvider = new BasicCredentialsProvider();
    credentialsProvider.setCredentials(new AuthScope(config.getProxyHost(), config.getProxyPort()),
            new UsernamePasswordCredentials(config.getProxyUserName(), config.getProxyPassword()));
    client.setCredentialsProvider(credentialsProvider);
  }

  return client;
}
 

public URIHandle(String host, int port, String user, String password, Authentication authType) {
  super();

  SchemeRegistry schemeRegistry = new SchemeRegistry();
  schemeRegistry.register(
    new Scheme("http", port, PlainSocketFactory.getSocketFactory())
  );

  // PoolingClientConnectionManager connMgr = new PoolingClientConnectionManager(  // 4.2
  ThreadSafeClientConnManager connMgr = new ThreadSafeClientConnManager(
    schemeRegistry);
  connMgr.setDefaultMaxPerRoute(100);

  DefaultHttpClient defaultClient = new DefaultHttpClient(connMgr);

  List<String> prefList = new ArrayList<>();
  if (authType == Authentication.BASIC)
    prefList.add(AuthPolicy.BASIC);
  else if (authType == Authentication.DIGEST)
    prefList.add(AuthPolicy.DIGEST);
  else
    throw new IllegalArgumentException("Unknown authentication type "+authType.name());

  defaultClient.getParams().setParameter(AuthPNames.PROXY_AUTH_PREF, prefList);

  defaultClient.getCredentialsProvider().setCredentials(
    new AuthScope(host, port),
    new UsernamePasswordCredentials(user, password)
  );

  setClient(defaultClient);
}
 

@Ignore
public void testMultiThreadedClient() throws Exception {

    NFHttpClient client = (NFHttpClient) NFHttpClientFactory
            .getNFHttpClient("hc.apache.org", 80);
   
    ThreadSafeClientConnManager cm = (ThreadSafeClientConnManager) client.getConnectionManager();
    cm.setDefaultMaxPerRoute(10);
    
    HttpHost target = new HttpHost("hc.apache.org", 80);

    // create an array of URIs to perform GETs on
    String[] urisToGet = { "/", "/httpclient-3.x/status.html",
            "/httpclient-3.x/methods/",
            "http://svn.apache.org/viewvc/httpcomponents/oac.hc3x/" };

    // create a thread for each URI
    GetThread[] threads = new GetThread[urisToGet.length];
    for (int i = 0; i < threads.length; i++) {
        HttpGet get = new HttpGet(urisToGet[i]);
        threads[i] = new GetThread(client, target, get, i + 1);
    }

    // start the threads
    for (int j = 0; j < threads.length; j++) {
        threads[j].start();
    }

}
 

protected ClientConnectionManager newInstance() {

        final ThreadSafeClientConnManager cm = new ThreadSafeClientConnManager(
                newSchemeRegistry());

        // Increase max total connection to 200
        cm.setMaxTotal(200);

        // Increase default max connection per route to 20
        cm.setDefaultMaxPerRoute(20);

        // Increase max connections for localhost to 50
        final HttpHost localhost = new HttpHost("locahost");

        cm.setMaxForRoute(new HttpRoute(localhost), 50);

        return cm;

    }