修复空指针异常

648540858

2024-01-10 c25a99d60bef3d3bbd59fee895bd658928fd00db

 src/main/java/com/genersoft/iot/vmp/service/impl/StreamProxyServiceImpl.java

old mode 100644
new mode 100755
@@ -10,7 +10,10 @@
import com.genersoft.iot.vmp.gb28181.event.EventPublisher;
import com.genersoft.iot.vmp.gb28181.event.subscribe.catalog.CatalogEvent;
import com.genersoft.iot.vmp.media.zlm.ZLMRESTfulUtils;
import com.genersoft.iot.vmp.media.zlm.ZLMServerFactory;
import com.genersoft.iot.vmp.media.zlm.ZlmHttpHookSubscribe;
import com.genersoft.iot.vmp.media.zlm.dto.HookSubscribeFactory;
import com.genersoft.iot.vmp.media.zlm.dto.HookSubscribeForStreamChange;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
import com.genersoft.iot.vmp.media.zlm.dto.StreamProxyItem;
import com.genersoft.iot.vmp.media.zlm.dto.hook.OnStreamChangedHookParam;
@@ -32,15 +35,19 @@
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionStatus;
import org.springframework.util.CollectionUtils;
import org.springframework.util.ObjectUtils;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.function.Function;
import java.util.stream.Collectors;

/**
 * 视频代理业务
@@ -58,6 +65,9 @@

    @Autowired
    private ZLMRESTfulUtils zlmresTfulUtils;

    @Autowired
    private ZLMServerFactory zlmServerFactory;

    @Autowired
    private StreamProxyMapper streamProxyMapper;
@@ -122,7 +132,13 @@
            }
            JSONArray dataArray = jsonObject.getJSONArray("data");
            JSONObject mediaServerConfig = dataArray.getJSONObject(0);
            if (ObjectUtils.isEmpty(param.getFfmpegCmdKey())) {
                param.setFfmpegCmdKey("ffmpeg.cmd");
            }
            String ffmpegCmd = mediaServerConfig.getString(param.getFfmpegCmdKey());
            if (ffmpegCmd == null) {
                throw new ControllerException(ErrorCode.ERROR100.getCode(), "ffmpeg拉流代理无法获取ffmpeg cmd");
            }
            String schema = getSchemaFromFFmpegCmd(ffmpegCmd);
            if (schema == null) {
                throw new ControllerException(ErrorCode.ERROR100.getCode(), "ffmpeg拉流代理无法从ffmpeg cmd中获取到输出格式");
@@ -143,7 +159,7 @@
            dstUrl = String.format("%s://%s:%s/%s/%s", schemaForUri, "127.0.0.1", port, param.getApp(),
                    param.getStream());
        }else {
            dstUrl = String.format("rtmp://%s:%s/%s/%s", "127.0.0.1", mediaInfo.getRtmpPort(), param.getApp(),
            dstUrl = String.format("rtsp://%s:%s/%s/%s", "127.0.0.1", mediaInfo.getRtspPort(), param.getApp(),
                    param.getStream());
        }
        param.setDstUrl(dstUrl);
@@ -160,15 +176,14 @@
            callback.run(ErrorCode.ERROR100.getCode(), "保存失败", null);
            return;
        }

        HookSubscribeForStreamChange hookSubscribeForStreamChange = HookSubscribeFactory.on_stream_changed(param.getApp(), param.getStream(), true, "rtsp", mediaInfo.getId());
        hookSubscribe.addSubscribe(hookSubscribeForStreamChange, (mediaServerItem, response) -> {
            StreamInfo streamInfo = mediaService.getStreamInfoByAppAndStream(
                    mediaInfo, param.getApp(), param.getStream(), null, null);
            callback.run(ErrorCode.SUCCESS.getCode(), ErrorCode.SUCCESS.getMsg(), streamInfo);
        });
        if (param.isEnable()) {
            String talkKey = UUID.randomUUID().toString();
            dynamicTask.startCron(talkKey, ()->{
                StreamInfo streamInfo = mediaService.getStreamInfoByAppAndStreamWithCheck(param.getApp(), param.getStream(), mediaInfo.getId(), false);
                if (streamInfo != null) {
                    callback.run(ErrorCode.SUCCESS.getCode(), ErrorCode.SUCCESS.getMsg(), streamInfo);
                }
            }, 1000);
            String delayTalkKey = UUID.randomUUID().toString();
            dynamicTask.startDelay(delayTalkKey, ()->{
                StreamInfo streamInfo = mediaService.getStreamInfoByAppAndStreamWithCheck(param.getApp(), param.getStream(), mediaInfo.getId(), false);
@@ -178,9 +193,10 @@
                    dynamicTask.stop(talkKey);
                    callback.run(ErrorCode.ERROR100.getCode(), "超时", null);
                }
            }, 5000);
            }, 7000);
            JSONObject jsonObject = addStreamProxyToZlm(param);
            if (jsonObject != null && jsonObject.getInteger("code") == 0) {
                hookSubscribe.removeSubscribe(hookSubscribeForStreamChange);
                dynamicTask.stop(talkKey);
                StreamInfo streamInfo = mediaService.getStreamInfoByAppAndStream(
                        mediaInfo, param.getApp(), param.getStream(), null, null);
@@ -310,13 +326,32 @@
        if (mediaServerItem == null) {
            return null;
        }
        if ("default".equals(param.getType())){
            result = zlmresTfulUtils.addStreamProxy(mediaServerItem, param.getApp(), param.getStream(), param.getUrl().trim(),
                    param.isEnableAudio(), param.isEnableMp4(), param.getRtpType());
        }else if ("ffmpeg".equals(param.getType())) {
        if (zlmServerFactory.isStreamReady(mediaServerItem, param.getApp(), param.getStream())) {
            zlmresTfulUtils.closeStreams(mediaServerItem, param.getApp(), param.getStream());
        }
        if ("ffmpeg".equalsIgnoreCase(param.getType())){
            result = zlmresTfulUtils.addFFmpegSource(mediaServerItem, param.getSrcUrl().trim(), param.getDstUrl(),
                    param.getTimeoutMs() + "", param.isEnableAudio(), param.isEnableMp4(),
                    param.getFfmpegCmdKey());
        }else {
            result = zlmresTfulUtils.addStreamProxy(mediaServerItem, param.getApp(), param.getStream(), param.getUrl().trim(),
                    param.isEnableAudio(), param.isEnableMp4(), param.getRtpType());
        }
        System.out.println("addStreamProxyToZlm====");
        System.out.println(result);
        if (result != null && result.getInteger("code") == 0) {
            JSONObject data = result.getJSONObject("data");
            if (data == null) {
                logger.warn("[获取拉流代理的结果数据Data] 失败： {}", result );
                return result;
            }
            String key = data.getString("key");
            if (key == null) {
                logger.warn("[获取拉流代理的结果数据Data中的KEY] 失败： {}", result );
                return result;
            }
            param.setStreamKey(key);
            streamProxyMapper.update(param);
        }
        return result;
    }
@@ -327,7 +362,12 @@
            return null;
        }
        MediaServerItem mediaServerItem = mediaServerService.getOne(param.getMediaServerId());
        JSONObject result = zlmresTfulUtils.closeStreams(mediaServerItem, param.getApp(), param.getStream());
        JSONObject result = null;
        if ("ffmpeg".equalsIgnoreCase(param.getType())){
            result = zlmresTfulUtils.delFFmpegSource(mediaServerItem, param.getStreamKey());
        }else {
            result = zlmresTfulUtils.delStreamProxy(mediaServerItem, param.getStreamKey());
        }
        return result;
    }

@@ -341,18 +381,19 @@
        StreamProxyItem streamProxyItem = videoManagerStorager.queryStreamProxy(app, stream);
        if (streamProxyItem != null) {
            gbStreamService.sendCatalogMsg(streamProxyItem, CatalogEvent.DEL);

            // 如果关联了国标那么移除关联
            platformGbStreamMapper.delByAppAndStream(app, stream);
            gbStreamMapper.del(app, stream);
            videoManagerStorager.deleteStreamProxy(app, stream);
            redisCatchStorage.removeStream(streamProxyItem.getMediaServerId(), "PULL", app, stream);
            JSONObject jsonObject = removeStreamProxyFromZlm(streamProxyItem);
            if (jsonObject != null && jsonObject.getInteger("code") == 0) {
                // 如果关联了国标那么移除关联
                gbStreamMapper.del(app, stream);
                platformGbStreamMapper.delByAppAndStream(app, stream);
                // TODO 如果关联的推流， 那么状态设置为离线
                logger.info("[移除代理]： 代理： {}/{}, 从zlm移除成功", app, stream);
            }else {
                logger.info("[移除代理]： 代理： {}/{}, 从zlm移除失败", app, stream);
            }
            redisCatchStorage.removeStream(streamProxyItem.getMediaServerId(), "PULL", app, stream);
        }


    }

    @Override
@@ -423,7 +464,7 @@
        streamProxyMapper.deleteAutoRemoveItemByMediaServerId(mediaServerId);

        // 移除拉流代理生成的流信息
//        syncPullStream(mediaServerId);
        syncPullStream(mediaServerId);

        // 恢复流代理, 只查找这个这个流媒体
        List<StreamProxyItem> streamProxyListForEnable = storager.getStreamProxyListForEnableInMediaServer(
@@ -529,4 +570,43 @@

        return new ResourceBaseInfo(total, online);
    }


    @Scheduled(cron = "* 0/10 * * * ?")
    public void asyncCheckStreamProxyStatus() {

        List<MediaServerItem> all = mediaServerService.getAllOnline();

        if (CollectionUtils.isEmpty(all)){
            return;
        }

        Map<String, MediaServerItem> serverItemMap = all.stream().collect(Collectors.toMap(MediaServerItem::getId, Function.identity(), (m1, m2) -> m1));

        List<StreamProxyItem> list = videoManagerStorager.getStreamProxyListForEnable(true);

        if (CollectionUtils.isEmpty(list)){
            return;
        }

        for (StreamProxyItem streamProxyItem : list) {

            MediaServerItem mediaServerItem = serverItemMap.get(streamProxyItem.getMediaServerId());

            // TODO 支持其他 schema
            JSONObject mediaInfo = zlmresTfulUtils.isMediaOnline(mediaServerItem, streamProxyItem.getApp(), streamProxyItem.getStream(), "rtsp");

            if (mediaInfo == null){
                streamProxyItem.setStatus(false);
            } else {
                if (mediaInfo.getInteger("code") == 0 && mediaInfo.getBoolean("online")) {
                    streamProxyItem.setStatus(true);
                } else {
                    streamProxyItem.setStatus(false);
                }
            }

            updateStreamProxy(streamProxyItem);
        }
    }
}