648540858
2024-03-21 b90dc789b429c31674c26bb3ff309b987afaa77a
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package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl;
 
import com.alibaba.fastjson2.JSONObject;
import com.genersoft.iot.vmp.conf.DynamicTask;
import com.genersoft.iot.vmp.conf.UserSetting;
import com.genersoft.iot.vmp.gb28181.bean.Device;
import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform;
import com.genersoft.iot.vmp.gb28181.bean.SendRtpItem;
import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver;
import com.genersoft.iot.vmp.gb28181.transmit.event.request.ISIPRequestProcessor;
import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
import com.genersoft.iot.vmp.media.zlm.ZLMServerFactory;
import com.genersoft.iot.vmp.media.zlm.ZlmHttpHookSubscribe;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServer;
import com.genersoft.iot.vmp.service.IDeviceService;
import com.genersoft.iot.vmp.media.service.IMediaServerService;
import com.genersoft.iot.vmp.service.IPlayService;
import com.genersoft.iot.vmp.service.bean.RequestPushStreamMsg;
import com.genersoft.iot.vmp.service.redisMsg.RedisGbPlayMsgListener;
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
 
import javax.sip.RequestEvent;
import javax.sip.address.SipURI;
import javax.sip.header.CallIdHeader;
import javax.sip.header.FromHeader;
import javax.sip.header.HeaderAddress;
import javax.sip.header.ToHeader;
import java.util.HashMap;
import java.util.Map;
 
/**
 * SIP命令类型: ACK请求
 * @author lin
 */
@Component
public class AckRequestProcessor extends SIPRequestProcessorParent implements InitializingBean, ISIPRequestProcessor {
 
    private final Logger logger = LoggerFactory.getLogger(AckRequestProcessor.class);
    private final String method = "ACK";
 
    @Autowired
    private SIPProcessorObserver sipProcessorObserver;
 
    @Override
    public void afterPropertiesSet() throws Exception {
        // 添加消息处理的订阅
        sipProcessorObserver.addRequestProcessor(method, this);
    }
 
    @Autowired
    private IRedisCatchStorage redisCatchStorage;
 
    @Autowired
    private UserSetting userSetting;
 
    @Autowired
    private IVideoManagerStorage storager;
 
    @Autowired
    private IDeviceService deviceService;
 
    @Autowired
    private ZLMServerFactory zlmServerFactory;
 
    @Autowired
    private ZlmHttpHookSubscribe hookSubscribe;
 
    @Autowired
    private IMediaServerService mediaServerService;
 
    @Autowired
    private DynamicTask dynamicTask;
 
    @Autowired
    private RedisGbPlayMsgListener redisGbPlayMsgListener;
 
    @Autowired
    private IPlayService playService;
 
 
    /**   
     * 处理  ACK请求
     */
    @Override
    public void process(RequestEvent evt) {
        CallIdHeader callIdHeader = (CallIdHeader)evt.getRequest().getHeader(CallIdHeader.NAME);
        dynamicTask.stop(callIdHeader.getCallId());
        String fromUserId = ((SipURI) ((HeaderAddress) evt.getRequest().getHeader(FromHeader.NAME)).getAddress().getURI()).getUser();
        String toUserId = ((SipURI) ((HeaderAddress) evt.getRequest().getHeader(ToHeader.NAME)).getAddress().getURI()).getUser();
        logger.info("[收到ACK]: 来自->{}", fromUserId);
        SendRtpItem sendRtpItem =  redisCatchStorage.querySendRTPServer(null, null, null, callIdHeader.getCallId());
        if (sendRtpItem == null) {
            logger.warn("[收到ACK]:未找到来自{},目标为({})的推流信息",fromUserId, toUserId);
            return;
        }
        // tcp主动时,此时是级联下级平台,在回复200ok时,本地已经请求zlm开启监听,跳过下面步骤
        if (sendRtpItem.isTcpActive()) {
            logger.info("收到ACK,rtp/{} TCP主动方式后续处理", sendRtpItem.getStream());
            return;
        }
        MediaServer mediaInfo = mediaServerService.getOne(sendRtpItem.getMediaServerId());
        logger.info("收到ACK,rtp/{}开始向上级推流, 目标={}:{},SSRC={}, 协议:{}",
                sendRtpItem.getStream(),
                sendRtpItem.getIp(),
                sendRtpItem.getPort(),
                sendRtpItem.getSsrc(),
                sendRtpItem.isTcp()?(sendRtpItem.isTcpActive()?"TCP主动":"TCP被动"):"UDP"
        );
        ParentPlatform parentPlatform = storager.queryParentPlatByServerGBId(fromUserId);
 
        if (parentPlatform != null) {
            Map<String, Object> param = getSendRtpParam(sendRtpItem);
            if (mediaInfo == null) {
                RequestPushStreamMsg requestPushStreamMsg = RequestPushStreamMsg.getInstance(
                        sendRtpItem.getMediaServerId(), sendRtpItem.getApp(), sendRtpItem.getStream(),
                        sendRtpItem.getIp(), sendRtpItem.getPort(), sendRtpItem.getSsrc(), sendRtpItem.isTcp(),
                        sendRtpItem.getLocalPort(), sendRtpItem.getPt(), sendRtpItem.isUsePs(), sendRtpItem.isOnlyAudio());
                redisGbPlayMsgListener.sendMsgForStartSendRtpStream(sendRtpItem.getServerId(), requestPushStreamMsg, json -> {
                    playService.startSendRtpStreamHand(sendRtpItem, parentPlatform, json, param, callIdHeader);
                });
            } else {
                JSONObject startSendRtpStreamResult = sendRtp(sendRtpItem, mediaInfo, param);
                if (startSendRtpStreamResult != null) {
                    playService.startSendRtpStreamHand(sendRtpItem, parentPlatform, startSendRtpStreamResult, param, callIdHeader);
                }
            }
        }else {
            Device device = deviceService.getDevice(fromUserId);
            if (device == null) {
                logger.warn("[收到ACK]:来自{},目标为({})的推流信息为找到流体服务[{}]信息",fromUserId, toUserId, sendRtpItem.getMediaServerId());
                return;
            }
            // 设置为收到ACK后发送语音的设备已经在发送200OK开始发流了
            if (!device.isBroadcastPushAfterAck()) {
                return;
            }
            if (mediaInfo == null) {
                logger.warn("[收到ACK]:来自{},目标为({})的推流信息为找到流体服务[{}]信息",fromUserId, toUserId, sendRtpItem.getMediaServerId());
                return;
            }
            Map<String, Object> param = getSendRtpParam(sendRtpItem);
            JSONObject startSendRtpStreamResult = sendRtp(sendRtpItem, mediaInfo, param);
            if (startSendRtpStreamResult != null) {
                playService.startSendRtpStreamHand(sendRtpItem, device, startSendRtpStreamResult, param, callIdHeader);
            }
        }
    }
 
    private Map<String, Object> getSendRtpParam(SendRtpItem sendRtpItem) {
        String isUdp = sendRtpItem.isTcp() ? "0" : "1";
        Map<String, Object> param = new HashMap<>(12);
        param.put("vhost","__defaultVhost__");
        param.put("app",sendRtpItem.getApp());
        param.put("stream",sendRtpItem.getStream());
        param.put("ssrc", sendRtpItem.getSsrc());
        param.put("dst_url",sendRtpItem.getIp());
        param.put("dst_port", sendRtpItem.getPort());
        param.put("src_port", sendRtpItem.getLocalPort());
        param.put("pt", sendRtpItem.getPt());
        param.put("use_ps", sendRtpItem.isUsePs() ? "1" : "0");
        param.put("only_audio", sendRtpItem.isOnlyAudio() ? "1" : "0");
        param.put("is_udp", isUdp);
        if (!sendRtpItem.isTcp()) {
            // udp模式下开启rtcp保活
            param.put("udp_rtcp_timeout", sendRtpItem.isRtcp()? "1":"0");
        }
        return param;
    }
 
    private JSONObject sendRtp(SendRtpItem sendRtpItem, MediaServer mediaInfo, Map<String, Object> param){
        JSONObject startSendRtpStreamResult = null;
        if (sendRtpItem.getLocalPort() != 0) {
            if (sendRtpItem.isTcpActive()) {
                startSendRtpStreamResult = zlmServerFactory.startSendRtpPassive(mediaInfo, param);
            }else {
                param.put("dst_url", sendRtpItem.getIp());
                param.put("dst_port", sendRtpItem.getPort());
                startSendRtpStreamResult = zlmServerFactory.startSendRtpStream(mediaInfo, param);
            }
        }else {
            if (sendRtpItem.isTcpActive()) {
                startSendRtpStreamResult = zlmServerFactory.startSendRtpPassive(mediaInfo, param);
            }else {
                param.put("dst_url", sendRtpItem.getIp());
                param.put("dst_port", sendRtpItem.getPort());
                startSendRtpStreamResult = zlmServerFactory.startSendRtpStream(mediaInfo, param);
            }
        }
        return startSendRtpStreamResult;
 
    }
 
}