package com.genersoft.iot.vmp.service.impl; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONArray; import com.alibaba.fastjson.JSONObject; import com.genersoft.iot.vmp.common.VideoManagerConstants; import com.genersoft.iot.vmp.conf.SipConfig; import com.genersoft.iot.vmp.conf.UserSetting; import com.genersoft.iot.vmp.gb28181.event.EventPublisher; import com.genersoft.iot.vmp.gb28181.session.SsrcConfig; import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager; import com.genersoft.iot.vmp.media.zlm.ZLMRESTfulUtils; import com.genersoft.iot.vmp.media.zlm.ZLMRTPServerFactory; import com.genersoft.iot.vmp.media.zlm.ZLMServerConfig; import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem; import com.genersoft.iot.vmp.service.IMediaServerService; import com.genersoft.iot.vmp.service.IStreamProxyService; import com.genersoft.iot.vmp.service.bean.SSRCInfo; import com.genersoft.iot.vmp.storager.IVideoManagerStorage; import com.genersoft.iot.vmp.storager.dao.MediaServerMapper; import com.genersoft.iot.vmp.utils.redis.JedisUtil; import com.genersoft.iot.vmp.utils.redis.RedisUtil; import com.genersoft.iot.vmp.vmanager.bean.WVPResult; import okhttp3.*; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.jdbc.datasource.DataSourceTransactionManager; import org.springframework.stereotype.Service; import org.springframework.transaction.TransactionDefinition; import org.springframework.transaction.TransactionStatus; import org.springframework.util.StringUtils; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.*; /** * 媒体服务器节点管理 */ @Service public class MediaServerServiceImpl implements IMediaServerService { private final static Logger logger = LoggerFactory.getLogger(MediaServerServiceImpl.class); @Autowired private SipConfig sipConfig; @Value("${server.ssl.enabled:false}") private boolean sslEnabled; @Value("${server.port}") private Integer serverPort; @Autowired private UserSetting userSetting; @Autowired private ZLMRESTfulUtils zlmresTfulUtils; @Autowired private MediaServerMapper mediaServerMapper; @Autowired DataSourceTransactionManager dataSourceTransactionManager; @Autowired TransactionDefinition transactionDefinition; @Autowired private VideoStreamSessionManager streamSession; @Autowired private ZLMRTPServerFactory zlmrtpServerFactory; @Autowired private RedisUtil redisUtil; @Autowired private IVideoManagerStorage storager; @Autowired private IStreamProxyService streamProxyService; @Autowired private EventPublisher publisher; @Autowired JedisUtil jedisUtil; private final SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); /** * 初始化 */ @Override public void updateVmServer(List mediaServerItemList) { logger.info("[缓存初始化] Media Server "); for (MediaServerItem mediaServerItem : mediaServerItemList) { if (StringUtils.isEmpty(mediaServerItem.getId())) { continue; } // 更新 if (mediaServerItem.getSsrcConfig() == null) { SsrcConfig ssrcConfig = new SsrcConfig(mediaServerItem.getId(), null, sipConfig.getDomain()); mediaServerItem.setSsrcConfig(ssrcConfig); redisUtil.set(VideoManagerConstants.MEDIA_SERVER_PREFIX + userSetting.getServerId() + "_" + mediaServerItem.getId(), mediaServerItem); } // 查询redis是否存在此mediaServer String key = VideoManagerConstants.MEDIA_SERVER_PREFIX + userSetting.getServerId() + "_" + mediaServerItem.getId(); if (!redisUtil.hasKey(key)) { redisUtil.set(key, mediaServerItem); } } } @Override public SSRCInfo openRTPServer(MediaServerItem mediaServerItem, String streamId, boolean ssrcCheck) { return openRTPServer(mediaServerItem, streamId, null, ssrcCheck,false); } @Override public SSRCInfo openRTPServer(MediaServerItem mediaServerItem, String streamId, String presetSsrc, boolean ssrcCheck, boolean isPlayback) { if (mediaServerItem == null || mediaServerItem.getId() == null) { return null; } // 获取mediaServer可用的ssrc String key = VideoManagerConstants.MEDIA_SERVER_PREFIX + userSetting.getServerId() + "_" + mediaServerItem.getId(); SsrcConfig ssrcConfig = mediaServerItem.getSsrcConfig(); if (ssrcConfig == null) { logger.info("media server [ {} ] ssrcConfig is null", mediaServerItem.getId()); return null; }else { String ssrc = null; if (presetSsrc != null) { ssrc = presetSsrc; }else { if (isPlayback) { ssrc = ssrcConfig.getPlayBackSsrc(); }else { ssrc = ssrcConfig.getPlaySsrc(); } } if (streamId == null) { streamId = String.format("%08x", Integer.parseInt(ssrc)).toUpperCase(); } int rtpServerPort = mediaServerItem.getRtpProxyPort(); if (mediaServerItem.isRtpEnable()) { rtpServerPort = zlmrtpServerFactory.createRTPServer(mediaServerItem, streamId, ssrcCheck?Integer.parseInt(ssrc):0); } redisUtil.set(key, mediaServerItem); return new SSRCInfo(rtpServerPort, ssrc, streamId); } } @Override public void closeRTPServer(String deviceId, String channelId, String stream) { String mediaServerId = streamSession.getMediaServerId(deviceId, channelId, stream); String ssrc = streamSession.getSSRC(deviceId, channelId, stream); MediaServerItem mediaServerItem = this.getOne(mediaServerId); if (mediaServerItem != null) { String streamId = String.format("%s_%s", deviceId, channelId); zlmrtpServerFactory.closeRTPServer(mediaServerItem, streamId); releaseSsrc(mediaServerItem.getId(), ssrc); } streamSession.remove(deviceId, channelId, stream); } @Override public void releaseSsrc(String mediaServerItemId, String ssrc) { MediaServerItem mediaServerItem = getOne(mediaServerItemId); if (mediaServerItem == null || ssrc == null) { return; } SsrcConfig ssrcConfig = mediaServerItem.getSsrcConfig(); ssrcConfig.releaseSsrc(ssrc); mediaServerItem.setSsrcConfig(ssrcConfig); String key = VideoManagerConstants.MEDIA_SERVER_PREFIX + userSetting.getServerId() + "_" + mediaServerItem.getId(); redisUtil.set(key, mediaServerItem); } /** * zlm 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 */ @Override public void clearRTPServer(MediaServerItem mediaServerItem) { mediaServerItem.setSsrcConfig(new SsrcConfig(mediaServerItem.getId(), null, sipConfig.getDomain())); redisUtil.zAdd(VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId(), mediaServerItem.getId(), 0); } @Override public void update(MediaServerItem mediaSerItem) { mediaServerMapper.update(mediaSerItem); MediaServerItem mediaServerItemInRedis = getOne(mediaSerItem.getId()); MediaServerItem mediaServerItemInDataBase = mediaServerMapper.queryOne(mediaSerItem.getId()); if (mediaServerItemInRedis != null && mediaServerItemInRedis.getSsrcConfig() != null) { mediaServerItemInDataBase.setSsrcConfig(mediaServerItemInRedis.getSsrcConfig()); }else { mediaServerItemInDataBase.setSsrcConfig( new SsrcConfig( mediaServerItemInDataBase.getId(), null, sipConfig.getDomain() ) ); } String key = VideoManagerConstants.MEDIA_SERVER_PREFIX + userSetting.getServerId() + "_" + mediaServerItemInDataBase.getId(); redisUtil.set(key, mediaServerItemInDataBase); } @Override public List getAll() { List result = new ArrayList<>(); List mediaServerKeys = redisUtil.scan(String.format("%S*", VideoManagerConstants.MEDIA_SERVER_PREFIX+ userSetting.getServerId() + "_" )); String onlineKey = VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId(); for (Object mediaServerKey : mediaServerKeys) { String key = (String) mediaServerKey; MediaServerItem mediaServerItem = (MediaServerItem) redisUtil.get(key); // 检查状态 Double aDouble = redisUtil.zScore(onlineKey, mediaServerItem.getId()); if (aDouble != null) { mediaServerItem.setStatus(true); } result.add(mediaServerItem); } result.sort((serverItem1, serverItem2)->{ int sortResult = 0; try { sortResult = format.parse(serverItem1.getCreateTime()).compareTo(format.parse(serverItem2.getCreateTime())); } catch (ParseException e) { e.printStackTrace(); } return sortResult; }); return result; } @Override public List getAllFromDatabase() { return mediaServerMapper.queryAll(); } @Override public List getAllOnline() { String key = VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId(); Set mediaServerIdSet = redisUtil.zRevRange(key, 0, -1); List result = new ArrayList<>(); if (mediaServerIdSet != null && mediaServerIdSet.size() > 0) { for (String mediaServerId : mediaServerIdSet) { String serverKey = VideoManagerConstants.MEDIA_SERVER_PREFIX + userSetting.getServerId() + "_" + mediaServerId; result.add((MediaServerItem) redisUtil.get(serverKey)); } } Collections.reverse(result); return result; } /** * 获取单个zlm服务器 * @param mediaServerId 服务id * @return MediaServerItem */ @Override public MediaServerItem getOne(String mediaServerId) { if (mediaServerId == null) { return null; } String key = VideoManagerConstants.MEDIA_SERVER_PREFIX + userSetting.getServerId() + "_" + mediaServerId; return (MediaServerItem)redisUtil.get(key); } @Override public MediaServerItem getDefaultMediaServer() { return mediaServerMapper.queryDefault(); } @Override public void clearMediaServerForOnline() { String key = VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId(); redisUtil.del(key); } @Override public WVPResult add(MediaServerItem mediaServerItem) { WVPResult result = new WVPResult<>(); mediaServerItem.setCreateTime(this.format.format(System.currentTimeMillis())); mediaServerItem.setUpdateTime(this.format.format(System.currentTimeMillis())); mediaServerItem.setHookAliveInterval(120); JSONObject responseJSON = zlmresTfulUtils.getMediaServerConfig(mediaServerItem); if (responseJSON != null) { JSONArray data = responseJSON.getJSONArray("data"); if (data != null && data.size() > 0) { ZLMServerConfig zlmServerConfig= JSON.parseObject(JSON.toJSONString(data.get(0)), ZLMServerConfig.class); if (mediaServerMapper.queryOne(zlmServerConfig.getGeneralMediaServerId()) != null) { result.setCode(-1); result.setMsg("保存失败,媒体服务ID [ " + zlmServerConfig.getGeneralMediaServerId() + " ] 已存在,请修改媒体服务器配置"); return result; } mediaServerItem.setId(zlmServerConfig.getGeneralMediaServerId()); zlmServerConfig.setIp(mediaServerItem.getIp()); mediaServerMapper.add(mediaServerItem); zlmServerOnline(zlmServerConfig); result.setCode(0); result.setMsg("success"); }else { result.setCode(-1); result.setMsg("连接失败"); } }else { result.setCode(-1); result.setMsg("连接失败"); } return result; } @Override public int addToDatabase(MediaServerItem mediaSerItem) { return mediaServerMapper.add(mediaSerItem); } @Override public int updateToDatabase(MediaServerItem mediaSerItem) { int result = 0; if (mediaSerItem.isDefaultServer()) { TransactionStatus transactionStatus = dataSourceTransactionManager.getTransaction(transactionDefinition); int delResult = mediaServerMapper.delDefault(); if (delResult == 0) { logger.error("移除数据库默认zlm节点失败"); //事务回滚 dataSourceTransactionManager.rollback(transactionStatus); return 0; } result = mediaServerMapper.add(mediaSerItem); dataSourceTransactionManager.commit(transactionStatus); //手动提交 }else { result = mediaServerMapper.update(mediaSerItem); } return result; } /** * 处理zlm上线 * @param zlmServerConfig zlm上线携带的参数 */ @Override public void zlmServerOnline(ZLMServerConfig zlmServerConfig) { logger.info("[ ZLM:{} ]-[ {}:{} ]正在连接", zlmServerConfig.getGeneralMediaServerId(), zlmServerConfig.getIp(), zlmServerConfig.getHttpPort()); MediaServerItem serverItem = mediaServerMapper.queryOne(zlmServerConfig.getGeneralMediaServerId()); if (serverItem == null) { logger.warn("[未注册的zlm] 拒接接入:{}来自{}:{}", zlmServerConfig.getGeneralMediaServerId(), zlmServerConfig.getIp(),zlmServerConfig.getHttpPort() ); logger.warn("请检查ZLM的配置是否与WVP的一致"); return; } serverItem.setHookAliveInterval(zlmServerConfig.getHookAliveInterval()); if (serverItem.getHttpPort() == 0) { serverItem.setHttpPort(zlmServerConfig.getHttpPort()); } if (serverItem.getHttpSSlPort() == 0) { serverItem.setHttpSSlPort(zlmServerConfig.getHttpSSLport()); } if (serverItem.getRtmpPort() == 0) { serverItem.setRtmpPort(zlmServerConfig.getRtmpPort()); } if (serverItem.getRtmpSSlPort() == 0) { serverItem.setRtmpSSlPort(zlmServerConfig.getRtmpSslPort()); } if (serverItem.getRtspPort() == 0) { serverItem.setRtspPort(zlmServerConfig.getRtspPort()); } if (serverItem.getRtspSSLPort() == 0) { serverItem.setRtspSSLPort(zlmServerConfig.getRtspSSlport()); } if (serverItem.getRtpProxyPort() == 0) { serverItem.setRtpProxyPort(zlmServerConfig.getRtpProxyPort()); } serverItem.setStatus(true); if (StringUtils.isEmpty(serverItem.getId())) { logger.warn("[未注册的zlm] serverItem缺少ID, 无法接入:{}:{}", zlmServerConfig.getIp(),zlmServerConfig.getHttpPort() ); return; } mediaServerMapper.update(serverItem); String key = VideoManagerConstants.MEDIA_SERVER_PREFIX + userSetting.getServerId() + "_" + zlmServerConfig.getGeneralMediaServerId(); if (redisUtil.get(key) == null) { SsrcConfig ssrcConfig = new SsrcConfig(zlmServerConfig.getGeneralMediaServerId(), null, sipConfig.getDomain()); serverItem.setSsrcConfig(ssrcConfig); }else { MediaServerItem mediaServerItemInRedis = (MediaServerItem)redisUtil.get(key); serverItem.setSsrcConfig(mediaServerItemInRedis.getSsrcConfig()); } redisUtil.set(key, serverItem); resetOnlineServerItem(serverItem); updateMediaServerKeepalive(serverItem.getId(), null); if (serverItem.isAutoConfig()) { setZLMConfig(serverItem, "0".equals(zlmServerConfig.getHookEnable())); } publisher.zlmOnlineEventPublish(serverItem.getId()); logger.info("[ ZLM:{} ]-[ {}:{} ]连接成功", zlmServerConfig.getGeneralMediaServerId(), zlmServerConfig.getIp(), zlmServerConfig.getHttpPort()); } @Override public void zlmServerOffline(String mediaServerId) { delete(mediaServerId); } @Override public void resetOnlineServerItem(MediaServerItem serverItem) { // 更新缓存 String key = VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId(); // 使用zset的分数作为当前并发量, 默认值设置为0 if (redisUtil.zScore(key, serverItem.getId()) == null) { // 不存在则设置默认值 已存在则重置 redisUtil.zAdd(key, serverItem.getId(), 0L); // 查询服务流数量 zlmresTfulUtils.getMediaList(serverItem, null, null, "rtmp",(mediaList ->{ Integer code = mediaList.getInteger("code"); if (code == 0) { JSONArray data = mediaList.getJSONArray("data"); if (data != null) { redisUtil.zAdd(key, serverItem.getId(), data.size()); } } })); }else { clearRTPServer(serverItem); } } @Override public void addCount(String mediaServerId) { if (mediaServerId == null) { return; } String key = VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId(); redisUtil.zIncrScore(key, mediaServerId, 1); } @Override public void removeCount(String mediaServerId) { String key = VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId(); redisUtil.zIncrScore(key, mediaServerId, - 1); } /** * 获取负载最低的节点 * @return MediaServerItem */ @Override public MediaServerItem getMediaServerForMinimumLoad() { String key = VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId(); if (redisUtil.zSize(key) == null || redisUtil.zSize(key) == 0) { logger.info("获取负载最低的节点时无在线节点"); return null; } // 获取分数最低的,及并发最低的 Set objects = redisUtil.ZRange(key, 0, -1); ArrayList mediaServerObjectS = new ArrayList<>(objects); String mediaServerId = (String)mediaServerObjectS.get(0); return getOne(mediaServerId); } /** * 对zlm服务器进行基础配置 * @param mediaServerItem 服务ID * @param restart 是否重启zlm */ @Override public void setZLMConfig(MediaServerItem mediaServerItem, boolean restart) { logger.info("[ ZLM:{} ]-[ {}:{} ]正在设置zlm", mediaServerItem.getId(), mediaServerItem.getIp(), mediaServerItem.getHttpPort()); String protocol = sslEnabled ? "https" : "http"; String hookPrex = String.format("%s://%s:%s/index/hook", protocol, mediaServerItem.getHookIp(), serverPort); String recordHookPrex = null; if (mediaServerItem.getRecordAssistPort() != 0) { recordHookPrex = String.format("http://127.0.0.1:%s/api/record", mediaServerItem.getRecordAssistPort()); } Map param = new HashMap<>(); param.put("api.secret",mediaServerItem.getSecret()); // -profile:v Baseline param.put("ffmpeg.cmd","%s -fflags nobuffer -i %s -c:a aac -strict -2 -ar 44100 -ab 48k -c:v libx264 -f flv %s"); param.put("hook.enable","1"); param.put("hook.on_flow_report",""); param.put("hook.on_play",String.format("%s/on_play", hookPrex)); param.put("hook.on_http_access",""); param.put("hook.on_publish", String.format("%s/on_publish", hookPrex)); param.put("hook.on_record_mp4",recordHookPrex != null? String.format("%s/on_record_mp4", recordHookPrex): ""); param.put("hook.on_record_ts",""); param.put("hook.on_rtsp_auth",""); param.put("hook.on_rtsp_realm",""); param.put("hook.on_server_started",String.format("%s/on_server_started", hookPrex)); param.put("hook.on_shell_login",String.format("%s/on_shell_login", hookPrex)); param.put("hook.on_stream_changed",String.format("%s/on_stream_changed", hookPrex)); param.put("hook.on_stream_none_reader",String.format("%s/on_stream_none_reader", hookPrex)); param.put("hook.on_stream_not_found",String.format("%s/on_stream_not_found", hookPrex)); param.put("hook.on_server_keepalive",String.format("%s/on_server_keepalive", hookPrex)); param.put("hook.timeoutSec","20"); param.put("general.streamNoneReaderDelayMS",mediaServerItem.getStreamNoneReaderDelayMS()==-1?"3600000":mediaServerItem.getStreamNoneReaderDelayMS() ); // 推流断开后可以在超时时间内重新连接上继续推流,这样播放器会接着播放。 // 置0关闭此特性(推流断开会导致立即断开播放器) // 此参数不应大于播放器超时时间 // 优化此消息以更快的收到流注销事件 param.put("general.continue_push_ms", "3000" ); // 最多等待未初始化的Track时间,单位毫秒,超时之后会忽略未初始化的Track, 设置此选项优化那些音频错误的不规范流, // 等zlm支持给每个rtpServer设置关闭音频的时候可以不设置此选项 param.put("general.wait_track_ready_ms", "3000" ); if (mediaServerItem.isRtpEnable() && !StringUtils.isEmpty(mediaServerItem.getRtpPortRange())) { param.put("rtp_proxy.port_range", mediaServerItem.getRtpPortRange().replace(",", "-")); } JSONObject responseJSON = zlmresTfulUtils.setServerConfig(mediaServerItem, param); if (responseJSON != null && responseJSON.getInteger("code") == 0) { if (restart) { logger.info("[ ZLM:{} ]-[ {}:{} ]设置zlm成功, 开始重启以保证配置生效", mediaServerItem.getId(), mediaServerItem.getIp(), mediaServerItem.getHttpPort()); zlmresTfulUtils.restartServer(mediaServerItem); }else { logger.info("[ ZLM:{} ]-[ {}:{} ]设置zlm成功", mediaServerItem.getId(), mediaServerItem.getIp(), mediaServerItem.getHttpPort()); } }else { logger.info("[ ZLM:{} ]-[ {}:{} ]设置zlm失败", mediaServerItem.getId(), mediaServerItem.getIp(), mediaServerItem.getHttpPort()); } } @Override public WVPResult checkMediaServer(String ip, int port, String secret) { WVPResult result = new WVPResult<>(); if (mediaServerMapper.queryOneByHostAndPort(ip, port) != null) { result.setCode(-1); result.setMsg("此连接已存在"); return result; } MediaServerItem mediaServerItem = new MediaServerItem(); mediaServerItem.setIp(ip); mediaServerItem.setHttpPort(port); mediaServerItem.setSecret(secret); JSONObject responseJSON = zlmresTfulUtils.getMediaServerConfig(mediaServerItem); if (responseJSON == null) { result.setCode(-1); result.setMsg("连接失败"); return result; } JSONArray data = responseJSON.getJSONArray("data"); ZLMServerConfig zlmServerConfig = JSON.parseObject(JSON.toJSONString(data.get(0)), ZLMServerConfig.class); if (zlmServerConfig == null) { result.setCode(-1); result.setMsg("读取配置失败"); return result; } if (mediaServerMapper.queryOne(zlmServerConfig.getGeneralMediaServerId()) != null) { result.setCode(-1); result.setMsg("媒体服务ID [" + zlmServerConfig.getGeneralMediaServerId() + " ] 已存在,请修改媒体服务器配置"); return result; } mediaServerItem.setHttpSSlPort(zlmServerConfig.getHttpPort()); mediaServerItem.setRtmpPort(zlmServerConfig.getRtmpPort()); mediaServerItem.setRtmpSSlPort(zlmServerConfig.getRtmpSslPort()); mediaServerItem.setRtspPort(zlmServerConfig.getRtspPort()); mediaServerItem.setRtspSSLPort(zlmServerConfig.getRtspSSlport()); mediaServerItem.setRtpProxyPort(zlmServerConfig.getRtpProxyPort()); mediaServerItem.setStreamIp(ip); mediaServerItem.setHookIp(sipConfig.getIp()); mediaServerItem.setSdpIp(ip); mediaServerItem.setStreamNoneReaderDelayMS(zlmServerConfig.getGeneralStreamNoneReaderDelayMS()); result.setCode(0); result.setMsg("成功"); result.setData(mediaServerItem); return result; } @Override public boolean checkMediaRecordServer(String ip, int port) { boolean result = false; OkHttpClient client = new OkHttpClient(); String url = String.format("http://%s:%s/index/api/record", ip, port); FormBody.Builder builder = new FormBody.Builder(); Request request = new Request.Builder() .get() .url(url) .build(); try { Response response = client.newCall(request).execute(); if (response != null) { result = true; } } catch (Exception e) {} return result; } @Override public void delete(String id) { redisUtil.zRemove(VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX + userSetting.getServerId(), id); String key = VideoManagerConstants.MEDIA_SERVER_PREFIX + userSetting.getServerId() + "_" + id; redisUtil.del(key); } @Override public void deleteDb(String id){ //同步删除数据库中的数据 mediaServerMapper.delOne(id); } @Override public void updateMediaServerKeepalive(String mediaServerId, JSONObject data) { MediaServerItem mediaServerItem = getOne(mediaServerId); if (mediaServerItem == null) { // zlm连接重试 logger.warn("[更新ZLM 保活信息]失败,未找到流媒体信息"); return; } String key = VideoManagerConstants.MEDIA_SERVER_KEEPALIVE_PREFIX + userSetting.getServerId() + "_" + mediaServerId; int hookAliveInterval = mediaServerItem.getHookAliveInterval() + 2; redisUtil.set(key, data, hookAliveInterval); } @Override public void syncCatchFromDatabase() { List allInCatch = getAll(); List allInDatabase = mediaServerMapper.queryAll(); Map mediaServerItemMap = new HashMap<>(); for (MediaServerItem mediaServerItem : allInDatabase) { mediaServerItemMap.put(mediaServerItem.getId(), mediaServerItem); } for (MediaServerItem mediaServerItem : allInCatch) { if (mediaServerItemMap.get(mediaServerItem) == null) { delete(mediaServerItem.getId()); } } } }