添加截图（快照）功能

panlinlin

2021-05-08 e48fa711a3664bece9b3e58840a75fe7c05bc47c

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/response/impl/InviteResponseProcessor.java

@@ -1,37 +1,61 @@
package com.genersoft.iot.vmp.gb28181.transmit.response.impl;



import javax.sip.Dialog;

import javax.sip.InvalidArgumentException;

import javax.sip.ResponseEvent;

import javax.sip.SipException;

import javax.sip.message.Request;

import java.text.ParseException;



import javax.sip.*;

import javax.sip.address.SipURI;

import javax.sip.header.CSeqHeader;

import javax.sip.message.Request;

import javax.sip.message.Response;



import gov.nist.javax.sip.ResponseEventExt;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.stereotype.Component;



import com.genersoft.iot.vmp.conf.SipConfig;

import com.genersoft.iot.vmp.gb28181.SipLayer;

import com.genersoft.iot.vmp.gb28181.transmit.response.ISIPResponseProcessor;



/**    


/**

 * @Description:处理INVITE响应

 * @author: songww

 * @date:   2020年5月3日 下午4:43:52     
 * @author: swwheihei

 * @date: 2020年5月3日 下午4:43:52

 */

@Component

public class InviteResponseProcessor implements ISIPResponseProcessor {



    private final static Logger logger = LoggerFactory.getLogger(InviteResponseProcessor.class);



   /**

    * 处理invite响应

    * 

    * @param request

    *            响应消息

    */ 
    * @param evt 响应消息

    * @throws ParseException

    */

   @Override

   public void process(ResponseEvent evt, SipLayer layer, SipConfig config) {

   public void process(ResponseEvent evt, SipLayer layer, SipConfig config) throws ParseException {

      try {

         Dialog dialog = evt.getDialog();

         Request reqAck =dialog.createAck(1L);

         dialog.sendAck(reqAck);

         Response response = evt.getResponse();

         int statusCode = response.getStatusCode();

         // trying不会回复

         if (statusCode == Response.TRYING) {

         }

         // 成功响应

         // 下发ack

         if (statusCode == Response.OK) {

            ResponseEventExt event = (ResponseEventExt)evt;

            Dialog dialog = evt.getDialog();

            CSeqHeader cseq = (CSeqHeader) response.getHeader(CSeqHeader.NAME);

            Request reqAck = dialog.createAck(cseq.getSeqNumber());

            SipURI requestURI = (SipURI) reqAck.getRequestURI();

            requestURI.setHost(event.getRemoteIpAddress());

            requestURI.setPort(event.getRemotePort());

            reqAck.setRequestURI(requestURI);

            logger.info("向 " + event.getRemoteIpAddress() + ":" + event.getRemotePort() + "回复ack");

            dialog.sendAck(reqAck);

         }

      } catch (InvalidArgumentException | SipException e) {

         e.printStackTrace();

      }