package com.genersoft.iot.vmp.service.redisMsg;
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import com.alibaba.fastjson2.JSON;
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import com.genersoft.iot.vmp.conf.UserSetting;
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import com.genersoft.iot.vmp.gb28181.bean.SendRtpItem;
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import com.genersoft.iot.vmp.gb28181.session.SSRCFactory;
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import com.genersoft.iot.vmp.media.zlm.ZlmHttpHookSubscribe;
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import com.genersoft.iot.vmp.media.zlm.dto.HookSubscribeFactory;
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import com.genersoft.iot.vmp.media.zlm.dto.HookSubscribeForStreamChange;
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import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
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import com.genersoft.iot.vmp.media.zlm.dto.hook.HookParam;
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import com.genersoft.iot.vmp.service.bean.MessageForPushChannel;
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import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
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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.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Qualifier;
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import org.springframework.data.redis.connection.Message;
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import org.springframework.data.redis.connection.MessageListener;
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import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
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import org.springframework.stereotype.Component;
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import org.springframework.util.ObjectUtils;
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import java.util.concurrent.ConcurrentLinkedQueue;
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/**
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* 上级等到设备推流的redis消息
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* @author lin
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*/
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@Component
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public class RedisPlatformWaitPushStreamOnlineListener implements MessageListener {
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private final static Logger logger = LoggerFactory.getLogger(RedisPlatformWaitPushStreamOnlineListener.class);
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private ConcurrentLinkedQueue<Message> taskQueue = new ConcurrentLinkedQueue<>();
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@Autowired
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private UserSetting userSetting;
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@Autowired
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private IRedisCatchStorage redisCatchStorage;
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@Autowired
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private ZlmHttpHookSubscribe hookSubscribe;
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@Autowired
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private RedisPlatformPushStreamOnlineLister redisPlatformPushStreamOnlineLister;
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@Autowired
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private SSRCFactory ssrcFactory;
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@Qualifier("taskExecutor")
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@Autowired
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private ThreadPoolTaskExecutor taskExecutor;
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/**
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* 当上级点播时，这里负责监听等到流上线，流上线后如果是在当前服务则直接回调，如果是其他wvp，则由redis消息进行通知
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*/
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@Override
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public void onMessage(Message message, byte[] bytes) {
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logger.info("[REDIS消息-收到上级等到设备推流的redis消息]： {}", new String(message.getBody()));
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boolean isEmpty = taskQueue.isEmpty();
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taskQueue.offer(message);
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if (isEmpty) {
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taskExecutor.execute(() -> {
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while (!taskQueue.isEmpty()) {
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Message msg = taskQueue.poll();
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try {
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MessageForPushChannel messageForPushChannel = JSON.parseObject(new String(msg.getBody()), MessageForPushChannel.class);
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if (messageForPushChannel == null
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|| ObjectUtils.isEmpty(messageForPushChannel.getApp())
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|| ObjectUtils.isEmpty(messageForPushChannel.getStream())
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|| userSetting.getServerId().equals(messageForPushChannel.getServerId())){
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continue;
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}
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// 监听流上线。 流上线直接发送sendRtpItem消息给实际的信令处理者
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HookSubscribeForStreamChange hook = HookSubscribeFactory.on_stream_changed(
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messageForPushChannel.getApp(), messageForPushChannel.getStream(), true, "rtsp",
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null);
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hookSubscribe.addSubscribe(hook, (MediaServerItem mediaServerItemInUse, HookParam hookParam) -> {
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// 读取redis中的上级点播信息，生成sendRtpItm发送出去
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SendRtpItem sendRtpItem = redisCatchStorage.getWaiteSendRtpItem(messageForPushChannel.getApp(), messageForPushChannel.getStream());
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if (sendRtpItem.getSsrc() == null) {
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// 上级平台点播时不使用上级平台指定的ssrc，使用自定义的ssrc，参考国标文档-点播外域设备媒体流SSRC处理方式
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String ssrc = "Play".equalsIgnoreCase(sendRtpItem.getSessionName()) ? ssrcFactory.getPlaySsrc(mediaServerItemInUse.getId()) : ssrcFactory.getPlayBackSsrc(mediaServerItemInUse.getId());
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sendRtpItem.setSsrc(ssrc);
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sendRtpItem.setMediaServerId(mediaServerItemInUse.getId());
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sendRtpItem.setLocalIp(mediaServerItemInUse.getSdpIp());
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redisPlatformPushStreamOnlineLister.sendStreamEvent(sendRtpItem);
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// 通知其他wvp， 由RedisPlatformPushStreamOnlineLister接收此监听。
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redisCatchStorage.sendPushStreamOnline(sendRtpItem);
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}
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});
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}catch (Exception e) {
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logger.warn("[REDIS消息-请求推流结果] 发现未处理的异常, \r\n{}", JSON.toJSONString(message));
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logger.error("[REDIS消息-请求推流结果] 异常内容： ", e);
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}
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}
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});
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}
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}
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}
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