package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl;
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import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.ISIPRequestProcessor;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.InitializingBean;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import javax.sip.InvalidArgumentException;
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import javax.sip.RequestEvent;
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import javax.sip.ServerTransaction;
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import javax.sip.SipException;
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import javax.sip.header.ExpiresHeader;
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import javax.sip.message.Request;
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import javax.sip.message.Response;
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import java.text.ParseException;
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/**
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* @description:SUBSCRIBE请求处理器
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* @author: swwheihei
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* @date: 2020年5月3日 下午5:31:20
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*/
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@Component
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public class SubscribeRequestProcessor extends SIPRequestProcessorParent implements InitializingBean, ISIPRequestProcessor {
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private Logger logger = LoggerFactory.getLogger(SubscribeRequestProcessor.class);
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private String method = "SUBSCRIBE";
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@Autowired
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private SIPProcessorObserver sipProcessorObserver;
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@Override
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public void afterPropertiesSet() throws Exception {
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// 添加消息处理的订阅
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sipProcessorObserver.addRequestProcessor(method, this);
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}
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/**
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* 处理SUBSCRIBE请求
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*
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* @param evt
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*/
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@Override
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public void process(RequestEvent evt) {
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Request request = evt.getRequest();
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try {
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Response response = null;
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response = getMessageFactory().createResponse(200, request);
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if (response != null) {
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ExpiresHeader expireHeader = getHeaderFactory().createExpiresHeader(30);
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response.setExpires(expireHeader);
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}
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logger.info("response : " + response.toString());
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ServerTransaction transaction = getServerTransaction(evt);
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if (transaction != null) {
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transaction.sendResponse(response);
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transaction.getDialog().delete();
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transaction.terminate();
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} else {
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logger.info("processRequest serverTransactionId is null.");
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}
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} catch (ParseException e) {
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e.printStackTrace();
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} catch (SipException e) {
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e.printStackTrace();
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} catch (InvalidArgumentException e) {
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e.printStackTrace();
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}
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}
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}
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