648540858
2022-11-18 f223aad70516049577c261d5e6cd876abed07cb4
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package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl;
 
import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONObject;
import com.genersoft.iot.vmp.conf.DynamicTask;
import com.genersoft.iot.vmp.conf.exception.SsrcTransactionNotFoundException;
import com.genersoft.iot.vmp.gb28181.bean.*;
import com.genersoft.iot.vmp.gb28181.session.AudioBroadcastManager;
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.cmd.ISIPCommander;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommanderForPlatform;
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.ZLMRTPServerFactory;
import com.genersoft.iot.vmp.media.zlm.ZlmHttpHookSubscribe;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
import com.genersoft.iot.vmp.service.IDeviceService;
import com.genersoft.iot.vmp.service.IMediaServerService;
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 gov.nist.javax.sip.message.SIPRequest;
import gov.nist.javax.sip.stack.SIPDialog;
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.*;
import javax.sip.InvalidArgumentException;
import javax.sip.RequestEvent;
import javax.sip.SipException;
import javax.sip.address.SipURI;
import javax.sip.header.CallIdHeader;
import javax.sip.header.FromHeader;
import javax.sip.header.HeaderAddress;
import java.text.ParseException;
import javax.sip.header.ToHeader;
import java.text.ParseException;
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 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 IVideoManagerStorage storager;
 
    @Autowired
    private ZLMRTPServerFactory zlmrtpServerFactory;
 
    @Autowired
    private ZlmHttpHookSubscribe hookSubscribe;
 
    @Autowired
    private IMediaServerService mediaServerService;
 
    @Autowired
    private ZlmHttpHookSubscribe subscribe;
 
    @Autowired
    private DynamicTask dynamicTask;
 
    @Autowired
    private ISIPCommander cmder;
 
    @Autowired
    private IDeviceService deviceService;
 
    @Autowired
    private ISIPCommanderForPlatform commanderForPlatform;
 
    @Autowired
    private AudioBroadcastManager audioBroadcastManager;
 
    @Autowired
    private RedisGbPlayMsgListener redisGbPlayMsgListener;
 
 
    /**   
     * 处理  ACK请求
     * 
     * @param evt
     */
    @Override
    public void process(RequestEvent evt) {
        CallIdHeader callIdHeader = (CallIdHeader)evt.getRequest().getHeader(CallIdHeader.NAME);
 
        String platformGbId = ((SipURI) ((HeaderAddress) evt.getRequest().getHeader(FromHeader.NAME)).getAddress().getURI()).getUser();
        logger.info("[收到ACK]: platformGbId->{}", platformGbId);
        ParentPlatform parentPlatform = storager.queryParentPlatByServerGBId(platformGbId);
        // 取消设置的超时任务
        dynamicTask.stop(callIdHeader.getCallId());
        String channelId = ((SipURI) ((HeaderAddress) evt.getRequest().getHeader(ToHeader.NAME)).getAddress().getURI()).getUser();
        SendRtpItem sendRtpItem =  redisCatchStorage.querySendRTPServer(null, null, null, callIdHeader.getCallId());
        if (sendRtpItem == null) {
            logger.warn("[收到ACK]:未找到通道({})的推流信息", channelId);
            return;
        }
        String is_Udp = sendRtpItem.isTcp() ? "0" : "1";
        MediaServerItem mediaInfo = mediaServerService.getOne(sendRtpItem.getMediaServerId());
        logger.info("收到ACK,rtp/{}开始向上级推流, 目标={}:{},SSRC={}", sendRtpItem.getStreamId(), sendRtpItem.getIp(), sendRtpItem.getPort(), sendRtpItem.getSsrc());
        Map<String, Object> param = new HashMap<>(12);
        param.put("vhost","__defaultVhost__");
        param.put("app",sendRtpItem.getApp());
        param.put("stream",sendRtpItem.getStreamId());
        param.put("ssrc", sendRtpItem.getSsrc());
        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");
        if (!sendRtpItem.isTcp() && parentPlatform != null && parentPlatform.isRtcp()) {
            // 开启rtcp保活
            param.put("udp_rtcp_timeout", "1");
        }
 
        JSONObject jsonObject;
        if (sendRtpItem.isTcpActive()) {
            jsonObject = zlmrtpServerFactory.startSendRtpPassive(mediaInfo, param);
        } else {
            param.put("is_udp", is_Udp);
            param.put("dst_url", sendRtpItem.getIp());
            param.put("dst_port", sendRtpItem.getPort());
            jsonObject = zlmrtpServerFactory.startSendRtpStream(mediaInfo, param);
        }
 
            if (jsonObject == null) {
                logger.error("RTP推流失败: 请检查ZLM服务");
            } else if (jsonObject.getInteger("code") == 0) {
                logger.info("RTP推流成功[ {}/{} ],{}->{}:{}, ", param.get("app"), param.get("stream"), jsonObject.getString("local_port"), param.get("dst_url"), param.get("dst_port"));
            } else {
                logger.error("RTP推流失败: {}, 参数:{}", jsonObject.getString("msg"), JSONObject.toJSON(param));
                if (sendRtpItem.isOnlyAudio()) {
                    // 语音对讲
                    Device device = deviceService.queryDevice(platformGbId);
                    if (device != null) {
                        try {
                            cmder.streamByeCmd(device, sendRtpItem.getChannelId(), sendRtpItem.getStreamId(), null);
                        } catch (SipException | ParseException | InvalidArgumentException |
                                 SsrcTransactionNotFoundException e) {
                            logger.error("[命令发送失败] 停止语音对讲: {}", e.getMessage());
                        }
                    }
 
                } else {
                    // 向上级平台
                    try {
                        commanderForPlatform.streamByeCmd(parentPlatform, callIdHeader.getCallId());
                    } catch (SipException | InvalidArgumentException | ParseException e) {
                        logger.error("[命令发送失败] 国标级联, 回复BYE: {}", e.getMessage());
                    }
                }
                if (mediaInfo == null) {
                    RequestPushStreamMsg requestPushStreamMsg = RequestPushStreamMsg.getInstance(
                            sendRtpItem.getMediaServerId(), sendRtpItem.getApp(), sendRtpItem.getStreamId(),
                            sendRtpItem.getIp(), sendRtpItem.getPort(), sendRtpItem.getSsrc(), sendRtpItem.isTcp(),
                            sendRtpItem.getLocalPort(), sendRtpItem.getPt(), sendRtpItem.isUsePs(), sendRtpItem.isOnlyAudio());
                    redisGbPlayMsgListener.sendMsgForStartSendRtpStream(sendRtpItem.getServerId(), requestPushStreamMsg, json -> {
                        startSendRtpStreamHand(evt, sendRtpItem, parentPlatform, json, param, callIdHeader);
                    });
                } else {
                    // 如果是非严格模式,需要关闭端口占用
                    JSONObject startSendRtpStreamResult = null;
                    if (sendRtpItem.getLocalPort() != 0) {
                        if (zlmrtpServerFactory.releasePort(mediaInfo, sendRtpItem.getSsrc())) {
                            startSendRtpStreamResult = zlmrtpServerFactory.startSendRtpStream(mediaInfo, param);
                        }
                    }else {
                        startSendRtpStreamResult = zlmrtpServerFactory.startSendRtpStream(mediaInfo, param);
                    }
                    if (startSendRtpStreamResult != null) {
                        startSendRtpStreamHand(evt, sendRtpItem, parentPlatform, startSendRtpStreamResult, param, callIdHeader);
                    }
                }
 
 
        }
    }
    private void startSendRtpStreamHand(RequestEvent evt, SendRtpItem sendRtpItem, ParentPlatform parentPlatform,
                                        JSONObject jsonObject, Map<String, Object> param, CallIdHeader callIdHeader) {
        if (jsonObject == null) {
            logger.error("RTP推流失败: 请检查ZLM服务");
        } else if (jsonObject.getInteger("code") == 0) {
            logger.info("调用ZLM推流接口, 结果: {}",  jsonObject);
            logger.info("RTP推流成功[ {}/{} ],{}->{}:{}, " ,param.get("app"), param.get("stream"), jsonObject.getString("local_port"), param.get("dst_url"), param.get("dst_port"));
        } else {
            logger.error("RTP推流失败: {}, 参数:{}",jsonObject.getString("msg"), JSON.toJSONString(param));
            if (sendRtpItem.isOnlyAudio()) {
                // TODO 可能是语音对讲
            }else {
                // 向上级平台
                try {
                    commanderForPlatform.streamByeCmd(parentPlatform, callIdHeader.getCallId());
                } catch (SipException | InvalidArgumentException | ParseException e) {
                    logger.error("[命令发送失败] 国标级联 发送BYE: {}", e.getMessage());
                }
            }
        }
    }
}