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package com.ksyun.api.sdk.http;

import org.apache.http.impl.NoConnectionReuseStrategy;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;

public class ClientHttpRequestFactoryUtils {
	private static Integer maxConnTotal = 200000;
	private static Integer maxConnPerRoute = 5000;

	private static Integer connectTimeOut=1000;
	private static Integer readTimeout=30000;

	public static ClientHttpRequestFactory getHttpComponentsClientHttpRequestFactory() {
		HttpClientBuilder builder = HttpClientBuilder.create();
		builder.setMaxConnPerRoute(maxConnPerRoute);
		builder.setMaxConnTotal(maxConnTotal);
		builder.setConnectionReuseStrategy(new NoConnectionReuseStrategy());
		// 设置重试一次
		CloseableHttpClient request = builder.build();
		HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory(
				request);
		factory.setConnectTimeout(connectTimeOut);
		factory.setReadTimeout(readTimeout);
		// 连接不够用的等待时间，不宜过长，必须设置，比如连接不够用时，时间过长将是灾难性的
		factory.setConnectionRequestTimeout(50);
		return factory;
	}
	public static void init(ClientHttpRequestFactoryConfig config){
		maxConnTotal=config.getMaxConnTotal();
		maxConnPerRoute=config.getMaxConnPerRoute();
		connectTimeOut=config.getConnectTimeOut();
		readTimeout=config.getReadTimeout();
	}
}