openvidu-server: active recordings count in Kms

openvidu-server/src/main/java/io/openvidu/server/kurento/kms/Kms.java

@@ -23,6 +23,7 @@ import java.util.Collection;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicLong;
 
 import org.kurento.client.KurentoClient;
@@ -62,6 +63,7 @@ public class Kms {
 	private AtomicLong timeOfKurentoClientDisconnection = new AtomicLong(0);
 
 	private Map<String, KurentoSession> kurentoSessions = new ConcurrentHashMap<>();
+	private AtomicInteger activeRecordings = new AtomicInteger(0);
 
 	public Kms(KmsProperties props, LoadManager loadManager) {
 		this.id = props.getId();
@@ -143,6 +145,10 @@ public class Kms {
 		this.kurentoSessions.remove(sessionId);
 	}
 
+	public AtomicInteger getActiveRecordings() {
+		return this.activeRecordings;
+	}
+
 	public JsonObject toJson() {
 		JsonObject json = new JsonObject();
 		json.addProperty("id", this.id);

openvidu-server/src/main/java/io/openvidu/server/recording/DummyRecordingDownloader.java

@@ -10,7 +10,6 @@ public class DummyRecordingDownloader implements RecordingDownloader {
 			throws IOException {
 		// Just immediately run callback function
 		callback.run();
-		return;
 	}
 
 	@Override

openvidu-server/src/main/java/io/openvidu/server/recording/service/ComposedRecordingService.java

@@ -58,6 +58,7 @@ import io.openvidu.server.recording.Recording;
 import io.openvidu.server.recording.RecordingDownloader;
 import io.openvidu.server.recording.RecordingInfoUtils;
 import io.openvidu.server.utils.DockerManager;
+import io.openvidu.server.utils.QuarantineKiller;
 
 public class ComposedRecordingService extends RecordingService {
 
@@ -70,8 +71,8 @@ public class ComposedRecordingService extends RecordingService {
 	private DockerManager dockerManager;
 
 	public ComposedRecordingService(RecordingManager recordingManager, RecordingDownloader recordingDownloader,
-			OpenviduConfig openviduConfig, CallDetailRecord cdr) {
+			OpenviduConfig openviduConfig, CallDetailRecord cdr, QuarantineKiller quarantineKiller) {
-		super(recordingManager, recordingDownloader, openviduConfig, cdr);
+		super(recordingManager, recordingDownloader, openviduConfig, cdr, quarantineKiller);
 		this.dockerManager = new DockerManager();
 	}
 
@@ -95,6 +96,9 @@ public class ComposedRecordingService extends RecordingService {
 			recording = this.startRecordingAudioOnly(session, recording, properties);
 		}
 
+		// Increment active recordings
+		((KurentoSession) session).getKms().getActiveRecordings().incrementAndGet();
+
 		return recording;
 	}
 
@@ -341,6 +345,10 @@ public class ComposedRecordingService extends RecordingService {
 				this.recordingManager.sessionHandler.sendRecordingStoppedNotification(session, recording, reason);
 			}
 		}
+
+		// Decrement active recordings
+		((KurentoSession) session).getKms().getActiveRecordings().decrementAndGet();
+
 		return recording;
 	}
 
@@ -380,7 +388,6 @@ public class ComposedRecordingService extends RecordingService {
 
 		this.cleanRecordingMaps(recording);
 
-		// TODO: DOWNLOAD FILE IF SCALABILITY MODE
 		final Recording[] finalRecordingArray = new Recording[1];
 		finalRecordingArray[0] = recording;
 		try {
@@ -398,6 +405,13 @@ public class ComposedRecordingService extends RecordingService {
 				final long timestamp = System.currentTimeMillis();
 				cdr.recordRecordingStatusChanged(finalRecordingArray[0], reason, timestamp,
 						finalRecordingArray[0].getStatus());
+
+				// Decrement active recordings once it is downloaded
+				((KurentoSession) session).getKms().getActiveRecordings().decrementAndGet();
+
+				// Now we can drop Media Node if waiting-idle-to-terminate
+				this.quarantineKiller.dropMediaNode(session.getMediaNodeId());
+
 			});
 		} catch (IOException e) {
 			log.error("Error while downloading recording {}: {}", finalRecordingArray[0].getName(), e.getMessage());

openvidu-server/src/main/java/io/openvidu/server/recording/service/RecordingManager.java

@@ -73,6 +73,7 @@ import io.openvidu.server.recording.RecordingDownloader;
 import io.openvidu.server.utils.CustomFileManager;
 import io.openvidu.server.utils.DockerManager;
 import io.openvidu.server.utils.JsonUtils;
+import io.openvidu.server.utils.QuarantineKiller;
 
 public class RecordingManager {
 
@@ -97,6 +98,9 @@ public class RecordingManager {
 	@Autowired
 	private KmsManager kmsManager;
 
+	@Autowired
+	protected QuarantineKiller quarantineKiller;
+
 	@Autowired
 	private CallDetailRecord cdr;
 
@@ -150,9 +154,10 @@ public class RecordingManager {
 		RecordingManager.IMAGE_TAG = openviduConfig.getOpenViduRecordingVersion();
 
 		this.dockerManager = new DockerManager();
-		this.composedRecordingService = new ComposedRecordingService(this, recordingDownloader, openviduConfig, cdr);
+		this.composedRecordingService = new ComposedRecordingService(this, recordingDownloader, openviduConfig, cdr,
+				quarantineKiller);
 		this.singleStreamRecordingService = new SingleStreamRecordingService(this, recordingDownloader, openviduConfig,
-				cdr);
+				cdr, quarantineKiller);
 
 		log.info("Recording module required: Downloading openvidu/openvidu-recording:"
 				+ openviduConfig.getOpenViduRecordingVersion() + " Docker image (350MB aprox)");
@@ -603,7 +608,8 @@ public class RecordingManager {
 			log.warn("No KMSs were defined in kms.uris array. Recording path check aborted");
 		} else {
 
-			MediaPipeline pipeline = this.kmsManager.getLessLoadedAndRunningKms().getKurentoClient().createMediaPipeline();
+			MediaPipeline pipeline = this.kmsManager.getLessLoadedAndRunningKms().getKurentoClient()
+					.createMediaPipeline();
 			RecorderEndpoint recorder = new RecorderEndpoint.Builder(pipeline, "file://" + testFilePath).build();
 
 			final AtomicBoolean kurentoRecorderError = new AtomicBoolean(false);

openvidu-server/src/main/java/io/openvidu/server/recording/service/RecordingService.java

@@ -34,6 +34,7 @@ import io.openvidu.server.recording.Recording;
 import io.openvidu.server.recording.RecordingDownloader;
 import io.openvidu.server.utils.CommandExecutor;
 import io.openvidu.server.utils.CustomFileManager;
+import io.openvidu.server.utils.QuarantineKiller;
 
 public abstract class RecordingService {
 
@@ -43,14 +44,16 @@ public abstract class RecordingService {
 	protected RecordingManager recordingManager;
 	protected RecordingDownloader recordingDownloader;
 	protected CallDetailRecord cdr;
+	protected QuarantineKiller quarantineKiller;
 	protected CustomFileManager fileWriter = new CustomFileManager();
 
 	RecordingService(RecordingManager recordingManager, RecordingDownloader recordingDownloader,
-			OpenviduConfig openviduConfig, CallDetailRecord cdr) {
+			OpenviduConfig openviduConfig, CallDetailRecord cdr, QuarantineKiller quarantineKiller) {
 		this.recordingManager = recordingManager;
 		this.recordingDownloader = recordingDownloader;
 		this.openviduConfig = openviduConfig;
 		this.cdr = cdr;
+		this.quarantineKiller = quarantineKiller;
 	}
 
 	public abstract Recording startRecording(Session session, RecordingProperties properties) throws OpenViduException;

openvidu-server/src/main/java/io/openvidu/server/recording/service/SingleStreamRecordingService.java

@@ -59,10 +59,12 @@ import io.openvidu.server.core.EndReason;
 import io.openvidu.server.core.Participant;
 import io.openvidu.server.core.Session;
 import io.openvidu.server.kurento.core.KurentoParticipant;
+import io.openvidu.server.kurento.core.KurentoSession;
 import io.openvidu.server.kurento.endpoint.PublisherEndpoint;
 import io.openvidu.server.recording.RecorderEndpointWrapper;
 import io.openvidu.server.recording.Recording;
 import io.openvidu.server.recording.RecordingDownloader;
+import io.openvidu.server.utils.QuarantineKiller;
 
 public class SingleStreamRecordingService extends RecordingService {
 
@@ -74,8 +76,8 @@ public class SingleStreamRecordingService extends RecordingService {
 	private final String INDIVIDUAL_STREAM_METADATA_FILE = ".stream.";
 
 	public SingleStreamRecordingService(RecordingManager recordingManager, RecordingDownloader recordingDownloader,
-			OpenviduConfig openviduConfig, CallDetailRecord cdr) {
+			OpenviduConfig openviduConfig, CallDetailRecord cdr, QuarantineKiller quarantineKiller) {
-		super(recordingManager, recordingDownloader, openviduConfig, cdr);
+		super(recordingManager, recordingDownloader, openviduConfig, cdr, quarantineKiller);
 	}
 
 	@Override
@@ -129,6 +131,9 @@ public class SingleStreamRecordingService extends RecordingService {
 
 		this.generateRecordingMetadataFile(recording);
 
+		// Increment active recordings
+		((KurentoSession) session).getKms().getActiveRecordings().incrementAndGet();
+
 		return recording;
 	}
 
@@ -163,7 +168,6 @@ public class SingleStreamRecordingService extends RecordingService {
 
 		this.cleanRecordingMaps(recording);
 
-		// TODO: DOWNLOAD FILES IF SCALABILITY MODE
 		final Recording[] finalRecordingArray = new Recording[1];
 		finalRecordingArray[0] = recording;
 		try {
@@ -181,6 +185,13 @@ public class SingleStreamRecordingService extends RecordingService {
 						finalRecordingArray[0].getStatus());
 
 				storedRecorders.remove(finalRecordingArray[0].getSessionId());
+
+				// Decrement active recordings once it is downloaded
+				((KurentoSession) session).getKms().getActiveRecordings().decrementAndGet();
+
+				// Now we can drop Media Node if waiting-idle-to-terminate
+				this.quarantineKiller.dropMediaNode(session.getMediaNodeId());
+
 			});
 		} catch (IOException e) {
 			log.error("Error while downloading recording {}", finalRecordingArray[0].getName());