package com.genersoft.iot.vmp.media.service.impl;
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import com.baomidou.dynamic.datasource.annotation.DS;
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import com.genersoft.iot.vmp.common.CommonCallback;
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import com.genersoft.iot.vmp.common.VideoManagerConstants;
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import com.genersoft.iot.vmp.conf.UserSetting;
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import com.genersoft.iot.vmp.conf.exception.ControllerException;
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import com.genersoft.iot.vmp.gb28181.session.SSRCFactory;
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import com.genersoft.iot.vmp.media.event.MediaServerChangeEvent;
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import com.genersoft.iot.vmp.media.event.MediaServerDeleteEvent;
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import com.genersoft.iot.vmp.media.service.IMediaNodeServerService;
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import com.genersoft.iot.vmp.media.service.IMediaServerService;
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import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
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import com.genersoft.iot.vmp.service.IInviteStreamService;
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import com.genersoft.iot.vmp.service.bean.MediaServerLoad;
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import com.genersoft.iot.vmp.service.bean.SSRCInfo;
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import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
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import com.genersoft.iot.vmp.storager.dao.MediaServerMapper;
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import com.genersoft.iot.vmp.utils.DateUtil;
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import com.genersoft.iot.vmp.utils.JsonUtil;
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import com.genersoft.iot.vmp.utils.redis.RedisUtil;
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import com.genersoft.iot.vmp.vmanager.bean.ErrorCode;
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import okhttp3.OkHttpClient;
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import okhttp3.Request;
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import okhttp3.Response;
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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.context.ApplicationEventPublisher;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.stereotype.Service;
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import org.springframework.util.ObjectUtils;
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import java.time.LocalDateTime;
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import java.util.*;
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/**
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* 媒体服务器节点管理
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*/
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@Service
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@DS("master")
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public class MediaServerServiceImpl implements IMediaServerService {
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private final static Logger logger = LoggerFactory.getLogger(MediaServerServiceImpl.class);
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@Autowired
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private SSRCFactory ssrcFactory;
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@Autowired
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private UserSetting userSetting;
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@Autowired
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private MediaServerMapper mediaServerMapper;
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@Autowired
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private IRedisCatchStorage redisCatchStorage;
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@Autowired
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private IInviteStreamService inviteStreamService;
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@Autowired
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private RedisTemplate<Object, Object> redisTemplate;
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@Autowired
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private Map<String, IMediaNodeServerService> nodeServerServiceMap;
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@Autowired
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private ApplicationEventPublisher applicationEventPublisher;
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/**
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* 初始化
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*/
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@Override
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public void updateVmServer(List<MediaServerItem> mediaServerItemList) {
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logger.info("[媒体服务节点] 缓存初始化 ");
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for (MediaServerItem mediaServerItem : mediaServerItemList) {
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if (ObjectUtils.isEmpty(mediaServerItem.getId())) {
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continue;
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}
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// 更新
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if (!ssrcFactory.hasMediaServerSSRC(mediaServerItem.getId())) {
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ssrcFactory.initMediaServerSSRC(mediaServerItem.getId(), null);
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}
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// 查询redis是否存在此mediaServer
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String key = VideoManagerConstants.MEDIA_SERVER_PREFIX + userSetting.getServerId() + "_" + mediaServerItem.getId();
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Boolean hasKey = redisTemplate.hasKey(key);
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if (hasKey != null && ! hasKey) {
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redisTemplate.opsForValue().set(key, mediaServerItem);
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}
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}
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}
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@Override
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public SSRCInfo openRTPServer(MediaServerItem mediaServerItem, String streamId, String presetSsrc, boolean ssrcCheck,
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boolean isPlayback, Integer port, Boolean onlyAuto, Boolean reUsePort, Integer tcpMode) {
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if (mediaServerItem == null || mediaServerItem.getId() == null) {
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logger.info("[openRTPServer] 失败, mediaServerItem == null || mediaServerItem.getId() == null");
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return null;
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}
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// 获取mediaServer可用的ssrc
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String ssrc;
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if (presetSsrc != null) {
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ssrc = presetSsrc;
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}else {
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if (isPlayback) {
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ssrc = ssrcFactory.getPlayBackSsrc(mediaServerItem.getId());
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}else {
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ssrc = ssrcFactory.getPlaySsrc(mediaServerItem.getId());
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}
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}
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if (streamId == null) {
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streamId = String.format("%08x", Long.parseLong(ssrc)).toUpperCase();
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}
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if (ssrcCheck && tcpMode > 0) {
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// 目前zlm不支持 tcp模式更新ssrc，暂时关闭ssrc校验
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logger.warn("[openRTPServer] 平台对接时下级可能自定义ssrc，但是tcp模式zlm收流目前无法更新ssrc，可能收流超时，此时请使用udp收流或者关闭ssrc校验");
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}
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int rtpServerPort;
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if (mediaServerItem.isRtpEnable()) {
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IMediaNodeServerService mediaNodeServerService = nodeServerServiceMap.get(mediaServerItem.getType());
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if (mediaNodeServerService == null) {
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logger.info("[openRTPServer] 失败, mediaServerItem的类型： {}，未找到对应的实现类", mediaServerItem.getType());
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return null;
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}
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rtpServerPort = mediaNodeServerService.createRTPServer(mediaServerItem, streamId, ssrcCheck ? Long.parseLong(ssrc) : 0, port, onlyAuto, reUsePort, tcpMode);
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} else {
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rtpServerPort = mediaServerItem.getRtpProxyPort();
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}
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return new SSRCInfo(rtpServerPort, ssrc, streamId);
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}
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@Override
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public SSRCInfo openRTPServer(MediaServerItem mediaServerItem, String streamId, String ssrc, boolean ssrcCheck, boolean isPlayback, Integer port, Boolean onlyAuto) {
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return openRTPServer(mediaServerItem, streamId, ssrc, ssrcCheck, isPlayback, port, onlyAuto, null, 0);
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}
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@Override
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public void closeRTPServer(MediaServerItem mediaServerItem, String streamId) {
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if (mediaServerItem == null) {
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return;
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}
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IMediaNodeServerService mediaNodeServerService = nodeServerServiceMap.get(mediaServerItem.getType());
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if (mediaNodeServerService == null) {
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logger.info("[closeRTPServer] 失败, mediaServerItem的类型： {}，未找到对应的实现类", mediaServerItem.getType());
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return;
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}
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mediaNodeServerService.closeRtpServer(mediaServerItem, streamId);
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}
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@Override
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public void closeRTPServer(MediaServerItem mediaServerItem, String streamId, CommonCallback<Boolean> callback) {
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if (mediaServerItem == null) {
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callback.run(false);
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return;
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}
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IMediaNodeServerService mediaNodeServerService = nodeServerServiceMap.get(mediaServerItem.getType());
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if (mediaNodeServerService == null) {
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logger.info("[closeRTPServer] 失败, mediaServerItem的类型： {}，未找到对应的实现类", mediaServerItem.getType());
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return;
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}
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mediaNodeServerService.closeRtpServer(mediaServerItem, streamId, callback);
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}
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@Override
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public void closeRTPServer(String mediaServerId, String streamId) {
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MediaServerItem mediaServerItem = this.getOne(mediaServerId);
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if (mediaServerItem == null) {
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return;
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}
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if (mediaServerItem.isRtpEnable()) {
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closeRTPServer(mediaServerItem, streamId);
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}
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IMediaNodeServerService mediaNodeServerService = nodeServerServiceMap.get(mediaServerItem.getType());
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if (mediaNodeServerService == null) {
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logger.info("[closeRTPServer] 失败, mediaServerItem的类型： {}，未找到对应的实现类", mediaServerItem.getType());
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return;
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}
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mediaNodeServerService.closeStreams(mediaServerItem, "rtp", streamId);
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}
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@Override
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public Boolean updateRtpServerSSRC(MediaServerItem mediaServerItem, String streamId, String ssrc) {
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if (mediaServerItem == null) {
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return false;
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}
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IMediaNodeServerService mediaNodeServerService = nodeServerServiceMap.get(mediaServerItem.getType());
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if (mediaNodeServerService == null) {
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logger.info("[updateRtpServerSSRC] 失败, mediaServerItem的类型： {}，未找到对应的实现类", mediaServerItem.getType());
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return false;
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}
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return mediaNodeServerService.updateRtpServerSSRC(mediaServerItem, streamId, ssrc);
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}
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@Override
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public void releaseSsrc(String mediaServerItemId, String ssrc) {
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MediaServerItem mediaServerItem = getOne(mediaServerItemId);
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if (mediaServerItem == null || ssrc == null) {
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return;
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}
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ssrcFactory.releaseSsrc(mediaServerItemId, ssrc);
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}
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/**
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* 媒体服务节点 重启后重置他的推流信息， TODO 给正在使用的设备发送停止命令
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*/
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@Override
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public void clearRTPServer(MediaServerItem mediaServerItem) {
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ssrcFactory.reset(mediaServerItem.getId());
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}
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@Override
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public void update(MediaServerItem mediaSerItem) {
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mediaServerMapper.update(mediaSerItem);
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MediaServerItem mediaServerItemInRedis = getOne(mediaSerItem.getId());
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MediaServerItem mediaServerItemInDataBase = mediaServerMapper.queryOne(mediaSerItem.getId());
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if (mediaServerItemInDataBase == null) {
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return;
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}
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mediaServerItemInDataBase.setStatus(mediaSerItem.isStatus());
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if (mediaServerItemInRedis == null || !ssrcFactory.hasMediaServerSSRC(mediaServerItemInDataBase.getId())) {
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ssrcFactory.initMediaServerSSRC(mediaServerItemInDataBase.getId(),null);
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}
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String key = VideoManagerConstants.MEDIA_SERVER_PREFIX + userSetting.getServerId() + "_" + mediaServerItemInDataBase.getId();
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redisTemplate.opsForValue().set(key, mediaServerItemInDataBase);
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if (mediaServerItemInDataBase.isStatus()) {
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resetOnlineServerItem(mediaServerItemInDataBase);
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}else {
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// 发送事件
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MediaServerChangeEvent event = new MediaServerChangeEvent(this);
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event.setMediaServerItemList(mediaServerItemInDataBase);
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applicationEventPublisher.publishEvent(event);
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}
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}
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@Override
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public List<MediaServerItem> getAllOnlineList() {
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List<MediaServerItem> result = new ArrayList<>();
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List<Object> mediaServerKeys = RedisUtil.scan(redisTemplate, String.format("%S*", VideoManagerConstants.MEDIA_SERVER_PREFIX+ userSetting.getServerId() + "_" ));
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String onlineKey = VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId();
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for (Object mediaServerKey : mediaServerKeys) {
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String key = (String) mediaServerKey;
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MediaServerItem mediaServerItem = JsonUtil.redisJsonToObject(redisTemplate, key, MediaServerItem.class);
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if (Objects.isNull(mediaServerItem)) {
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continue;
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}
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// 检查状态
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Double aDouble = redisTemplate.opsForZSet().score(onlineKey, mediaServerItem.getId());
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if (aDouble != null) {
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mediaServerItem.setStatus(true);
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}
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result.add(mediaServerItem);
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}
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result.sort((serverItem1, serverItem2)->{
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int sortResult = 0;
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LocalDateTime localDateTime1 = LocalDateTime.parse(serverItem1.getCreateTime(), DateUtil.formatter);
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LocalDateTime localDateTime2 = LocalDateTime.parse(serverItem2.getCreateTime(), DateUtil.formatter);
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sortResult = localDateTime1.compareTo(localDateTime2);
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return sortResult;
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});
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return result;
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}
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@Override
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public List<MediaServerItem> getAll() {
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List<MediaServerItem> mediaServerList = mediaServerMapper.queryAll();
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if (mediaServerList.isEmpty()) {
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return new ArrayList<>();
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}
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for (MediaServerItem mediaServerItem : mediaServerList) {
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MediaServerItem mediaServerItemInRedis = getOne(mediaServerItem.getId());
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if (mediaServerItemInRedis != null) {
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mediaServerItem.setStatus(mediaServerItemInRedis.isStatus());
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}
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}
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return mediaServerList;
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}
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@Override
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public List<MediaServerItem> getAllFromDatabase() {
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return mediaServerMapper.queryAll();
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}
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@Override
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public List<MediaServerItem> getAllOnline() {
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String key = VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId();
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Set<Object> mediaServerIdSet = redisTemplate.opsForZSet().reverseRange(key, 0, -1);
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List<MediaServerItem> result = new ArrayList<>();
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if (mediaServerIdSet != null && mediaServerIdSet.size() > 0) {
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for (Object mediaServerId : mediaServerIdSet) {
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String mediaServerIdStr = (String) mediaServerId;
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String serverKey = VideoManagerConstants.MEDIA_SERVER_PREFIX + userSetting.getServerId() + "_" + mediaServerIdStr;
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result.add((MediaServerItem) redisTemplate.opsForValue().get(serverKey));
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}
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}
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Collections.reverse(result);
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return result;
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}
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/**
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* 获取单个媒体服务节点服务器
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* @param mediaServerId 服务id
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* @return MediaServerItem
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*/
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@Override
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public MediaServerItem getOne(String mediaServerId) {
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if (mediaServerId == null) {
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return null;
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}
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String key = VideoManagerConstants.MEDIA_SERVER_PREFIX + userSetting.getServerId() + "_" + mediaServerId;
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return JsonUtil.redisJsonToObject(redisTemplate, key, MediaServerItem.class);
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}
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@Override
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public MediaServerItem getDefaultMediaServer() {
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return mediaServerMapper.queryDefault();
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}
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@Override
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public void clearMediaServerForOnline() {
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String key = VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId();
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redisTemplate.delete(key);
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}
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@Override
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public void add(MediaServerItem mediaServerItem) {
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mediaServerItem.setCreateTime(DateUtil.getNow());
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mediaServerItem.setUpdateTime(DateUtil.getNow());
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if (mediaServerItem.getHookAliveInterval() == null || mediaServerItem.getHookAliveInterval() == 0F) {
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mediaServerItem.setHookAliveInterval(10F);
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}
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if (mediaServerItem.getType() == null) {
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logger.info("[添加媒体节点] 失败, mediaServerItem的类型：为空");
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return;
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}
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if (mediaServerMapper.queryOne(mediaServerItem.getId()) != null) {
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logger.info("[添加媒体节点] 失败, 媒体服务ID已存在，请修改媒体服务器配置, {}", mediaServerItem.getId());
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throw new ControllerException(ErrorCode.ERROR100.getCode(),"保存失败，媒体服务ID [ " + mediaServerItem.getId() + " ] 已存在，请修改媒体服务器配置");
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}
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IMediaNodeServerService mediaNodeServerService = nodeServerServiceMap.get(mediaServerItem.getType());
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if (mediaNodeServerService == null) {
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logger.info("[添加媒体节点] 失败, mediaServerItem的类型： {}，未找到对应的实现类", mediaServerItem.getType());
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return;
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}
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mediaServerMapper.add(mediaServerItem);
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if (mediaServerItem.isStatus()) {
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mediaNodeServerService.online(mediaServerItem);
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}else {
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// 发送事件
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MediaServerChangeEvent event = new MediaServerChangeEvent(this);
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event.setMediaServerItemList(mediaServerItem);
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applicationEventPublisher.publishEvent(event);
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}
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}
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@Override
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public void resetOnlineServerItem(MediaServerItem serverItem) {
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// 更新缓存
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String key = VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId();
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// 使用zset的分数作为当前并发量， 默认值设置为0
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if (redisTemplate.opsForZSet().score(key, serverItem.getId()) == null) { // 不存在则设置默认值 已存在则重置
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redisTemplate.opsForZSet().add(key, serverItem.getId(), 0L);
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// 查询服务流数量
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int count = getMediaList(serverItem);
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redisTemplate.opsForZSet().add(key, serverItem.getId(), count);
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}else {
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clearRTPServer(serverItem);
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}
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}
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private int getMediaList(MediaServerItem serverItem) {
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return 0;
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}
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@Override
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public void addCount(String mediaServerId) {
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if (mediaServerId == null) {
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return;
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}
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String key = VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId();
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redisTemplate.opsForZSet().incrementScore(key, mediaServerId, 1);
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}
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@Override
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public void removeCount(String mediaServerId) {
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String key = VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId();
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redisTemplate.opsForZSet().incrementScore(key, mediaServerId, - 1);
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}
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/**
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* 获取负载最低的节点
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* @return MediaServerItem
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*/
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@Override
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public MediaServerItem getMediaServerForMinimumLoad(Boolean hasAssist) {
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String key = VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId();
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Long size = redisTemplate.opsForZSet().zCard(key);
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if (size == null || size == 0) {
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logger.info("获取负载最低的节点时无在线节点");
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return null;
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}
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// 获取分数最低的，及并发最低的
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Set<Object> objects = redisTemplate.opsForZSet().range(key, 0, -1);
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ArrayList<Object> mediaServerObjectS = new ArrayList<>(objects);
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MediaServerItem mediaServerItem = null;
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if (hasAssist == null) {
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String mediaServerId = (String)mediaServerObjectS.get(0);
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mediaServerItem = getOne(mediaServerId);
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}else if (hasAssist) {
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for (Object mediaServerObject : mediaServerObjectS) {
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String mediaServerId = (String)mediaServerObject;
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MediaServerItem serverItem = getOne(mediaServerId);
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if (serverItem.getRecordAssistPort() > 0) {
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mediaServerItem = serverItem;
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break;
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}
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}
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}else if (!hasAssist) {
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for (Object mediaServerObject : mediaServerObjectS) {
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String mediaServerId = (String)mediaServerObject;
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MediaServerItem serverItem = getOne(mediaServerId);
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if (serverItem.getRecordAssistPort() == 0) {
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mediaServerItem = serverItem;
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break;
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}
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}
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}
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return mediaServerItem;
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}
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@Override
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public MediaServerItem checkMediaServer(String ip, int port, String secret, String type) {
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if (mediaServerMapper.queryOneByHostAndPort(ip, port) != null) {
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throw new ControllerException(ErrorCode.ERROR100.getCode(), "此连接已存在");
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}
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IMediaNodeServerService mediaNodeServerService = nodeServerServiceMap.get(type);
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if (mediaNodeServerService == null) {
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logger.info("[closeRTPServer] 失败, mediaServerItem的类型： {}，未找到对应的实现类", type);
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return null;
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}
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MediaServerItem mediaServerItem = mediaNodeServerService.checkMediaServer(ip, port, secret);
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if (mediaServerItem != null) {
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if (mediaServerMapper.queryOne(mediaServerItem.getId()) != null) {
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throw new ControllerException(ErrorCode.ERROR100.getCode(), "媒体服务ID [" + mediaServerItem.getId() + " ] 已存在，请修改媒体服务器配置");
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}
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}
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return mediaServerItem;
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}
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@Override
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public boolean checkMediaRecordServer(String ip, int port) {
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boolean result = false;
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OkHttpClient client = new OkHttpClient();
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String url = String.format("http://%s:%s/index/api/record", ip, port);
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Request request = new Request.Builder()
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.get()
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.url(url)
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.build();
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try {
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Response response = client.newCall(request).execute();
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if (response != null) {
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result = true;
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}
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} catch (Exception e) {}
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return result;
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}
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@Override
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public void delete(String id) {
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mediaServerMapper.delOne(id);
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redisTemplate.opsForZSet().remove(VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId(), id);
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String key = VideoManagerConstants.MEDIA_SERVER_PREFIX + userSetting.getServerId() + "_" + id;
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redisTemplate.delete(key);
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// 发送节点移除通知
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MediaServerDeleteEvent event = new MediaServerDeleteEvent(this);
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event.setMediaServerId(id);
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applicationEventPublisher.publishEvent(event);
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}
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@Override
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public MediaServerItem getOneFromDatabase(String mediaServerId) {
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return mediaServerMapper.queryOne(mediaServerId);
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}
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@Override
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public void syncCatchFromDatabase() {
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List<MediaServerItem> allInCatch = getAllOnlineList();
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List<MediaServerItem> allInDatabase = mediaServerMapper.queryAll();
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Map<String, MediaServerItem> mediaServerItemMap = new HashMap<>();
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for (MediaServerItem mediaServerItem : allInDatabase) {
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mediaServerItemMap.put(mediaServerItem.getId(), mediaServerItem);
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}
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for (MediaServerItem mediaServerItem : allInCatch) {
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// 清除数据中不存在但redis缓存数据
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if (!mediaServerItemMap.containsKey(mediaServerItem.getId())) {
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delete(mediaServerItem.getId());
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}
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}
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}
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@Override
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public MediaServerLoad getLoad(MediaServerItem mediaServerItem) {
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MediaServerLoad result = new MediaServerLoad();
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result.setId(mediaServerItem.getId());
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result.setPush(redisCatchStorage.getPushStreamCount(mediaServerItem.getId()));
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result.setProxy(redisCatchStorage.getProxyStreamCount(mediaServerItem.getId()));
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result.setGbReceive(inviteStreamService.getStreamInfoCount(mediaServerItem.getId()));
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result.setGbSend(redisCatchStorage.getGbSendCount(mediaServerItem.getId()));
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return result;
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}
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@Override
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public List<MediaServerItem> getAllWithAssistPort() {
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return mediaServerMapper.queryAllWithAssistPort();
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}
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}
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