package com.genersoft.iot.vmp.service.impl;
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import com.alibaba.fastjson2.JSONObject;
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import com.baomidou.dynamic.datasource.annotation.DS;
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import com.genersoft.iot.vmp.common.GeneralCallback;
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import com.genersoft.iot.vmp.common.StreamInfo;
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import com.genersoft.iot.vmp.conf.DynamicTask;
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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.event.subscribe.catalog.CatalogEvent;
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import com.genersoft.iot.vmp.media.bean.MediaInfo;
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import com.genersoft.iot.vmp.media.event.hook.Hook;
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import com.genersoft.iot.vmp.media.event.hook.HookType;
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import com.genersoft.iot.vmp.media.event.media.MediaArrivalEvent;
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import com.genersoft.iot.vmp.media.event.media.MediaDepartureEvent;
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import com.genersoft.iot.vmp.media.event.media.MediaNotFoundEvent;
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import com.genersoft.iot.vmp.media.service.IMediaServerService;
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import com.genersoft.iot.vmp.media.zlm.ZLMServerFactory;
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import com.genersoft.iot.vmp.media.event.hook.HookSubscribe;
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import com.genersoft.iot.vmp.media.bean.MediaServer;
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import com.genersoft.iot.vmp.media.zlm.dto.StreamProxyItem;
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import com.genersoft.iot.vmp.media.zlm.dto.hook.OnStreamChangedHookParam;
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import com.genersoft.iot.vmp.service.IGbStreamService;
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import com.genersoft.iot.vmp.service.IStreamProxyService;
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import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
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import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
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import com.genersoft.iot.vmp.storager.dao.GbStreamMapper;
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import com.genersoft.iot.vmp.storager.dao.PlatformGbStreamMapper;
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import com.genersoft.iot.vmp.storager.dao.StreamProxyMapper;
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import com.genersoft.iot.vmp.utils.DateUtil;
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import com.genersoft.iot.vmp.vmanager.bean.ErrorCode;
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import com.genersoft.iot.vmp.vmanager.bean.ResourceBaseInfo;
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import com.genersoft.iot.vmp.vmanager.bean.WVPResult;
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import com.github.pagehelper.PageInfo;
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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.event.EventListener;
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import org.springframework.jdbc.datasource.DataSourceTransactionManager;
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import org.springframework.scheduling.annotation.Async;
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import org.springframework.scheduling.annotation.Scheduled;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.TransactionDefinition;
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import org.springframework.transaction.TransactionStatus;
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import org.springframework.util.CollectionUtils;
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import org.springframework.util.ObjectUtils;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.UUID;
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import java.util.function.Function;
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import java.util.stream.Collectors;
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/**
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* 视频代理业务
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*/
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@Service
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@DS("master")
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public class StreamProxyServiceImpl implements IStreamProxyService {
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private final static Logger logger = LoggerFactory.getLogger(StreamProxyServiceImpl.class);
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@Autowired
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private IVideoManagerStorage videoManagerStorager;
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@Autowired
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private ZLMServerFactory zlmServerFactory;
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@Autowired
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private StreamProxyMapper streamProxyMapper;
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@Autowired
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private IRedisCatchStorage redisCatchStorage;
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@Autowired
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private IVideoManagerStorage storager;
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@Autowired
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private UserSetting userSetting;
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@Autowired
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private GbStreamMapper gbStreamMapper;
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@Autowired
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private PlatformGbStreamMapper platformGbStreamMapper;
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@Autowired
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private IGbStreamService gbStreamService;
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@Autowired
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private IMediaServerService mediaServerService;
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@Autowired
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private HookSubscribe hookSubscribe;
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@Autowired
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private DynamicTask dynamicTask;
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@Autowired
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DataSourceTransactionManager dataSourceTransactionManager;
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@Autowired
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TransactionDefinition transactionDefinition;
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/**
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* 流到来的处理
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*/
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@Async("taskExecutor")
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@org.springframework.context.event.EventListener
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public void onApplicationEvent(MediaArrivalEvent event) {
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if ("rtsp".equals(event.getSchema())) {
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updateStatus(true, event.getApp(), event.getStream());
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}
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}
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/**
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* 流离开的处理
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*/
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@Async("taskExecutor")
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@EventListener
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public void onApplicationEvent(MediaDepartureEvent event) {
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if ("rtsp".equals(event.getSchema())) {
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updateStatus(false, event.getApp(), event.getStream());
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}
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}
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/**
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* 流离开的处理
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*/
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@Async("taskExecutor")
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@EventListener
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public void onApplicationEvent(MediaNotFoundEvent event) {
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if ("rtp".equals(event.getApp())) {
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return;
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}
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// 拉流代理
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StreamProxyItem streamProxyByAppAndStream = getStreamProxyByAppAndStream(event.getApp(), event.getStream());
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if (streamProxyByAppAndStream != null && streamProxyByAppAndStream.isEnableDisableNoneReader()) {
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start(event.getApp(), event.getStream());
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}
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}
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@Override
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public void save(StreamProxyItem param, GeneralCallback<StreamInfo> callback) {
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MediaServer mediaServer;
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if (ObjectUtils.isEmpty(param.getMediaServerId()) || "auto".equals(param.getMediaServerId())){
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mediaServer = mediaServerService.getMediaServerForMinimumLoad(null);
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}else {
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mediaServer = mediaServerService.getOne(param.getMediaServerId());
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}
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if (mediaServer == null) {
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logger.warn("保存代理未找到在线的ZLM...");
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throw new ControllerException(ErrorCode.ERROR100.getCode(), "保存代理未找到在线的ZLM");
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}
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String dstUrl;
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if ("ffmpeg".equalsIgnoreCase(param.getType())) {
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String ffmpegCmd = mediaServerService.getFfmpegCmd(mediaServer, param.getFfmpegCmdKey());
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if (ffmpegCmd == null) {
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throw new ControllerException(ErrorCode.ERROR100.getCode(), "ffmpeg拉流代理无法获取ffmpeg cmd");
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}
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String schema = getSchemaFromFFmpegCmd(ffmpegCmd);
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if (schema == null) {
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throw new ControllerException(ErrorCode.ERROR100.getCode(), "ffmpeg拉流代理无法从ffmpeg cmd中获取到输出格式");
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}
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int port;
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String schemaForUri;
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if (schema.equalsIgnoreCase("rtsp")) {
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port = mediaServer.getRtspPort();
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schemaForUri = schema;
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}else if (schema.equalsIgnoreCase("flv")) {
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port = mediaServer.getRtmpPort();
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schemaForUri = schema;
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}else {
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port = mediaServer.getRtmpPort();
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schemaForUri = schema;
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}
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dstUrl = String.format("%s://%s:%s/%s/%s", schemaForUri, "127.0.0.1", port, param.getApp(),
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param.getStream());
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}else {
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dstUrl = String.format("rtsp://%s:%s/%s/%s", "127.0.0.1", mediaServer.getRtspPort(), param.getApp(),
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param.getStream());
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}
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param.setDstUrl(dstUrl);
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logger.info("[拉流代理] 输出地址为：{}", dstUrl);
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param.setMediaServerId(mediaServer.getId());
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boolean saveResult;
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// 更新
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if (videoManagerStorager.queryStreamProxy(param.getApp(), param.getStream()) != null) {
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saveResult = updateStreamProxy(param);
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}else { // 新增
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saveResult = addStreamProxy(param);
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}
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if (!saveResult) {
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callback.run(ErrorCode.ERROR100.getCode(), "保存失败", null);
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return;
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}
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Hook hook = Hook.getInstance(HookType.on_media_arrival, param.getApp(), param.getStream(), mediaServer.getId());
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hookSubscribe.addSubscribe(hook, (hookData) -> {
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StreamInfo streamInfo = mediaServerService.getStreamInfoByAppAndStream(
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mediaServer, param.getApp(), param.getStream(), null, null);
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callback.run(ErrorCode.SUCCESS.getCode(), ErrorCode.SUCCESS.getMsg(), streamInfo);
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});
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if (param.isEnable()) {
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String talkKey = UUID.randomUUID().toString();
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String delayTalkKey = UUID.randomUUID().toString();
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dynamicTask.startDelay(delayTalkKey, ()->{
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StreamInfo streamInfo = mediaServerService.getStreamInfoByAppAndStreamWithCheck(param.getApp(), param.getStream(), mediaServer.getId(), false);
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if (streamInfo != null) {
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callback.run(ErrorCode.SUCCESS.getCode(), ErrorCode.SUCCESS.getMsg(), streamInfo);
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}else {
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dynamicTask.stop(talkKey);
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callback.run(ErrorCode.ERROR100.getCode(), "超时", null);
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}
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}, 7000);
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WVPResult<String> result = addStreamProxyToZlm(param);
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if (result != null && result.getCode() == 0) {
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hookSubscribe.removeSubscribe(hook);
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dynamicTask.stop(talkKey);
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StreamInfo streamInfo = mediaServerService.getStreamInfoByAppAndStream(
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mediaServer, param.getApp(), param.getStream(), null, null);
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callback.run(ErrorCode.SUCCESS.getCode(), ErrorCode.SUCCESS.getMsg(), streamInfo);
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}else {
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param.setEnable(false);
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// 直接移除
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if (param.isEnableRemoveNoneReader()) {
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del(param.getApp(), param.getStream());
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}else {
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updateStreamProxy(param);
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}
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if (result == null){
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callback.run(ErrorCode.ERROR100.getCode(), "记录已保存，启用失败", null);
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}else {
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callback.run(ErrorCode.ERROR100.getCode(), result.getMsg(), null);
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}
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}
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}
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else{
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StreamInfo streamInfo = mediaServerService.getStreamInfoByAppAndStream(
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mediaServer, param.getApp(), param.getStream(), null, null);
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callback.run(ErrorCode.SUCCESS.getCode(), ErrorCode.SUCCESS.getMsg(), streamInfo);
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}
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}
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private String getSchemaFromFFmpegCmd(String ffmpegCmd) {
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ffmpegCmd = ffmpegCmd.replaceAll(" + ", " ");
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String[] paramArray = ffmpegCmd.split(" ");
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if (paramArray.length == 0) {
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return null;
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}
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for (int i = 0; i < paramArray.length; i++) {
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if (paramArray[i].equalsIgnoreCase("-f")) {
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if (i + 1 < paramArray.length - 1) {
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return paramArray[i+1];
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}else {
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return null;
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}
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}
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}
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return null;
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}
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/**
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* 新增代理流
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* @param streamProxyItem
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* @return
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*/
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private boolean addStreamProxy(StreamProxyItem streamProxyItem) {
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TransactionStatus transactionStatus = dataSourceTransactionManager.getTransaction(transactionDefinition);
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boolean result = false;
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streamProxyItem.setStreamType("proxy");
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streamProxyItem.setStatus(true);
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String now = DateUtil.getNow();
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streamProxyItem.setCreateTime(now);
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try {
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if (streamProxyMapper.add(streamProxyItem) > 0) {
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if (!ObjectUtils.isEmpty(streamProxyItem.getGbId())) {
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if (gbStreamMapper.add(streamProxyItem) < 0) {
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//事务回滚
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dataSourceTransactionManager.rollback(transactionStatus);
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return false;
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}
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}
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}else {
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//事务回滚
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dataSourceTransactionManager.rollback(transactionStatus);
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return false;
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}
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result = true;
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dataSourceTransactionManager.commit(transactionStatus); //手动提交
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}catch (Exception e) {
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logger.error("向数据库添加流代理失败：", e);
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dataSourceTransactionManager.rollback(transactionStatus);
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}
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return result;
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}
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/**
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* 更新代理流
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* @param streamProxyItem
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* @return
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*/
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@Override
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public boolean updateStreamProxy(StreamProxyItem streamProxyItem) {
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TransactionStatus transactionStatus = dataSourceTransactionManager.getTransaction(transactionDefinition);
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boolean result = false;
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streamProxyItem.setStreamType("proxy");
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try {
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if (streamProxyMapper.update(streamProxyItem) > 0) {
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if (!ObjectUtils.isEmpty(streamProxyItem.getGbId())) {
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if (gbStreamMapper.updateByAppAndStream(streamProxyItem) == 0) {
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//事务回滚
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dataSourceTransactionManager.rollback(transactionStatus);
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return false;
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}
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}
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} else {
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//事务回滚
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dataSourceTransactionManager.rollback(transactionStatus);
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return false;
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}
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dataSourceTransactionManager.commit(transactionStatus); //手动提交
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result = true;
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}catch (Exception e) {
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logger.error("未处理的异常 ", e);
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dataSourceTransactionManager.rollback(transactionStatus);
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}
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return result;
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}
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@Override
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public WVPResult<String> addStreamProxyToZlm(StreamProxyItem param) {
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WVPResult<String> result = null;
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MediaServer mediaServer = null;
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if (param.getMediaServerId() == null) {
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logger.warn("添加代理时MediaServerId 为null");
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return null;
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}else {
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mediaServer = mediaServerService.getOne(param.getMediaServerId());
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}
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if (mediaServer == null) {
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return null;
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}
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if (mediaServerService.isStreamReady(mediaServer, param.getApp(), param.getStream())) {
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mediaServerService.closeStreams(mediaServer, param.getApp(), param.getStream());
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}
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String msgResult;
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if ("ffmpeg".equalsIgnoreCase(param.getType())){
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result = mediaServerService.addFFmpegSource(mediaServer, param.getSrcUrl().trim(), param.getDstUrl(),
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param.getTimeoutMs(), param.isEnableAudio(), param.isEnableMp4(),
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param.getFfmpegCmdKey());
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}else {
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result = mediaServerService.addStreamProxy(mediaServer, param.getApp(), param.getStream(), param.getUrl().trim(),
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param.isEnableAudio(), param.isEnableMp4(), param.getRtpType());
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}
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if (result != null && result.getCode() == 0) {
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String key = result.getData();
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if (key == null) {
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logger.warn("[获取拉流代理的结果数据Data] 失败： {}", result );
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return result;
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}
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param.setStreamKey(key);
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streamProxyMapper.update(param);
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}
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return result;
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}
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@Override
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public Boolean removeStreamProxyFromZlm(StreamProxyItem param) {
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if (param ==null) {
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return null;
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}
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MediaServer mediaServer = mediaServerService.getOne(param.getMediaServerId());
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if (mediaServer == null) {
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return null;
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}
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List<StreamInfo> mediaList = mediaServerService.getMediaList(mediaServer, param.getApp(), param.getStream(), null);
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if (mediaList == null || mediaList.isEmpty()) {
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return true;
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}
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Boolean result = false;
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if ("ffmpeg".equalsIgnoreCase(param.getType())){
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result = mediaServerService.delFFmpegSource(mediaServer, param.getStreamKey());
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}else {
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result = mediaServerService.delStreamProxy(mediaServer, param.getStreamKey());
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}
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return result;
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}
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@Override
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public PageInfo<StreamProxyItem> getAll(Integer page, Integer count) {
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return videoManagerStorager.queryStreamProxyList(page, count);
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}
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@Override
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public void del(String app, String stream) {
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StreamProxyItem streamProxyItem = videoManagerStorager.queryStreamProxy(app, stream);
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if (streamProxyItem != null) {
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gbStreamService.sendCatalogMsg(streamProxyItem, CatalogEvent.DEL);
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// 如果关联了国标那么移除关联
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platformGbStreamMapper.delByAppAndStream(app, stream);
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gbStreamMapper.del(app, stream);
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videoManagerStorager.deleteStreamProxy(app, stream);
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redisCatchStorage.removeStream(streamProxyItem.getMediaServerId(), "PULL", app, stream);
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Boolean result = removeStreamProxyFromZlm(streamProxyItem);
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if (result != null && result) {
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logger.info("[移除代理]： 代理： {}/{}, 从zlm移除成功", app, stream);
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}else {
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logger.info("[移除代理]： 代理： {}/{}, 从zlm移除失败", app, stream);
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}
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}
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}
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@Override
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public boolean start(String app, String stream) {
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boolean result = false;
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StreamProxyItem streamProxy = videoManagerStorager.queryStreamProxy(app, stream);
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if (streamProxy != null && !streamProxy.isEnable() ) {
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WVPResult<String> wvpResult = addStreamProxyToZlm(streamProxy);
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if (wvpResult == null) {
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return false;
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}
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if (wvpResult.getCode() == 0) {
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result = true;
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streamProxy.setEnable(true);
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updateStreamProxy(streamProxy);
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}else {
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logger.info("启用代理失败： {}/{}->{}({})", app, stream, wvpResult.getMsg(),
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streamProxy.getSrcUrl() == null? streamProxy.getUrl():streamProxy.getSrcUrl());
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}
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} else if (streamProxy != null && streamProxy.isEnable()) {
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return true ;
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}
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return result;
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}
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@Override
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public boolean stop(String app, String stream) {
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boolean result = false;
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StreamProxyItem streamProxyDto = videoManagerStorager.queryStreamProxy(app, stream);
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if (streamProxyDto != null && streamProxyDto.isEnable()) {
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Boolean removed = removeStreamProxyFromZlm(streamProxyDto);
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if (removed != null && removed) {
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streamProxyDto.setEnable(false);
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result = updateStreamProxy(streamProxyDto);
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}
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}
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return result;
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}
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@Override
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public Map<String, String> getFFmpegCMDs(MediaServer mediaServer) {
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return mediaServerService.getFFmpegCMDs(mediaServer);
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}
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@Override
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public StreamProxyItem getStreamProxyByAppAndStream(String app, String streamId) {
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return videoManagerStorager.getStreamProxyByAppAndStream(app, streamId);
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}
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@Override
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public void zlmServerOnline(String mediaServerId) {
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// 移除开启了无人观看自动移除的流
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List<StreamProxyItem> streamProxyItemList = streamProxyMapper.selectAutoRemoveItemByMediaServerId(mediaServerId);
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if (streamProxyItemList.size() > 0) {
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gbStreamMapper.batchDel(streamProxyItemList);
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}
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streamProxyMapper.deleteAutoRemoveItemByMediaServerId(mediaServerId);
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// 移除拉流代理生成的流信息
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syncPullStream(mediaServerId);
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// 恢复流代理, 只查找这个这个流媒体
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List<StreamProxyItem> streamProxyListForEnable = storager.getStreamProxyListForEnableInMediaServer(
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mediaServerId, true);
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for (StreamProxyItem streamProxyDto : streamProxyListForEnable) {
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logger.info("恢复流代理，" + streamProxyDto.getApp() + "/" + streamProxyDto.getStream());
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WVPResult<String> wvpResult = addStreamProxyToZlm(streamProxyDto);
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if (wvpResult == null) {
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// 设置为离线
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logger.info("恢复流代理失败" + streamProxyDto.getApp() + "/" + streamProxyDto.getStream());
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updateStatus(false, streamProxyDto.getApp(), streamProxyDto.getStream());
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}else {
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updateStatus(true, streamProxyDto.getApp(), streamProxyDto.getStream());
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}
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}
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}
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@Override
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public void zlmServerOffline(String mediaServerId) {
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// 移除开启了无人观看自动移除的流
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List<StreamProxyItem> streamProxyItemList = streamProxyMapper.selectAutoRemoveItemByMediaServerId(mediaServerId);
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if (streamProxyItemList.size() > 0) {
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gbStreamMapper.batchDel(streamProxyItemList);
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}
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streamProxyMapper.deleteAutoRemoveItemByMediaServerId(mediaServerId);
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// 其他的流设置离线
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streamProxyMapper.updateStatusByMediaServerId(mediaServerId, false);
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String type = "PULL";
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// 发送redis消息
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List<OnStreamChangedHookParam> onStreamChangedHookParams = redisCatchStorage.getStreams(mediaServerId, type);
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if (onStreamChangedHookParams.size() > 0) {
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for (OnStreamChangedHookParam onStreamChangedHookParam : onStreamChangedHookParams) {
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JSONObject jsonObject = new JSONObject();
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jsonObject.put("serverId", userSetting.getServerId());
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jsonObject.put("app", onStreamChangedHookParam.getApp());
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jsonObject.put("stream", onStreamChangedHookParam.getStream());
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jsonObject.put("register", false);
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jsonObject.put("mediaServerId", mediaServerId);
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redisCatchStorage.sendStreamChangeMsg(type, jsonObject);
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// 移除redis内流的信息
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redisCatchStorage.removeStream(mediaServerId, type, onStreamChangedHookParam.getApp(), onStreamChangedHookParam.getStream());
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}
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}
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}
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@Override
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public void clean() {
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}
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@Override
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public int updateStatus(boolean status, String app, String stream) {
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return streamProxyMapper.updateStatus(app, stream, status);
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}
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private void syncPullStream(String mediaServerId){
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MediaServer mediaServer = mediaServerService.getOne(mediaServerId);
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if (mediaServer != null) {
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List<OnStreamChangedHookParam> allPullStream = redisCatchStorage.getStreams(mediaServerId, "PULL");
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if (!allPullStream.isEmpty()) {
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List<StreamInfo> mediaList = mediaServerService.getMediaList(mediaServer, null, null, null);
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Map<String, StreamInfo> stringStreamInfoMap = new HashMap<>();
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if (mediaList != null && !mediaList.isEmpty()) {
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for (StreamInfo streamInfo : mediaList) {
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stringStreamInfoMap.put(streamInfo.getApp() + streamInfo.getStream(), streamInfo);
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}
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}
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if (stringStreamInfoMap.isEmpty()) {
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redisCatchStorage.removeStream(mediaServerId, "PULL");
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}else {
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for (String key : stringStreamInfoMap.keySet()) {
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StreamInfo streamInfo = stringStreamInfoMap.get(key);
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if (stringStreamInfoMap.get(streamInfo.getApp() + streamInfo.getStream()) == null) {
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redisCatchStorage.removeStream(mediaServerId, "PULL", streamInfo.getApp(),
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streamInfo.getStream());
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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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@Override
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public ResourceBaseInfo getOverview() {
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int total = streamProxyMapper.getAllCount();
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int online = streamProxyMapper.getOnline();
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return new ResourceBaseInfo(total, online);
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}
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@Scheduled(cron = "* 0/10 * * * ?")
|
public void asyncCheckStreamProxyStatus() {
|
|
List<MediaServer> all = mediaServerService.getAllOnline();
|
|
if (CollectionUtils.isEmpty(all)){
|
return;
|
}
|
|
Map<String, MediaServer> serverItemMap = all.stream().collect(Collectors.toMap(MediaServer::getId, Function.identity(), (m1, m2) -> m1));
|
|
List<StreamProxyItem> list = videoManagerStorager.getStreamProxyListForEnable(true);
|
|
if (CollectionUtils.isEmpty(list)){
|
return;
|
}
|
|
for (StreamProxyItem streamProxyItem : list) {
|
|
MediaServer mediaServerItem = serverItemMap.get(streamProxyItem.getMediaServerId());
|
|
MediaInfo mediaInfo = mediaServerService.getMediaInfo(mediaServerItem, streamProxyItem.getApp(), streamProxyItem.getStream());
|
|
if (mediaInfo == null){
|
streamProxyItem.setStatus(false);
|
} else {
|
if (mediaInfo.getOnline() != null && mediaInfo.getOnline()) {
|
streamProxyItem.setStatus(true);
|
} else {
|
streamProxyItem.setStatus(false);
|
}
|
}
|
|
updateStreamProxy(streamProxyItem);
|
}
|
}
|
}
|
