openvidu-server: composed quickstart recording stop bug fix

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

@@ -78,7 +78,7 @@ public class ComposedQuickStartRecordingService extends ComposedRecordingService
 				recordExecCommand += "export " + envs.get(i) + " ";
 			}
 			recordExecCommand += "&& ./composed_quick_start.sh --start-recording > /var/log/ffmpeg.log 2>&1 &";
-			dockerManager.runCommandInContainer(containerId, recordExecCommand, 0);
+			dockerManager.runCommandInContainer(containerId, recordExecCommand);
 		} catch (Exception e) {
 			this.cleanRecordingMaps(recording);
 			throw this.failStartRecording(session, recording,
@@ -116,7 +116,7 @@ public class ComposedQuickStartRecordingService extends ComposedRecordingService
 		}
 
 		try {
-			dockerManager.runCommandInContainer(containerId, "./composed_quick_start.sh --stop-recording", 10);
+			dockerManager.runCommandInContainerSync(containerId, "./composed_quick_start.sh --stop-recording", 10);
 		} catch (InterruptedException e1) {
 			cleanRecordingMaps(recording);
 			log.error("Error stopping recording for session id: {}", session.getSessionId());

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

@@ -396,7 +396,7 @@ public class ComposedRecordingService extends RecordingService {
 	protected void stopAndRemoveRecordingContainer(Recording recording, String containerId, int secondsOfWait) {
 		// Gracefully stop ffmpeg process
 		try {
-			dockerManager.runCommandInContainer(containerId, "echo 'q' > stop", 0);
+			dockerManager.runCommandInContainer(containerId, "echo 'q' > stop");
 		} catch (InterruptedException e1) {
 			e1.printStackTrace();
 		}

openvidu-server/src/main/java/io/openvidu/server/utils/DockerManager.java

@@ -26,23 +26,29 @@ import java.util.concurrent.TimeUnit;
 
 import javax.ws.rs.ProcessingException;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import com.github.dockerjava.api.DockerClient;
-import com.github.dockerjava.api.async.ResultCallback;
+import com.github.dockerjava.api.command.CreateContainerCmd;
-import com.github.dockerjava.api.command.*;
+import com.github.dockerjava.api.command.CreateContainerResponse;
+import com.github.dockerjava.api.command.ExecCreateCmdResponse;
+import com.github.dockerjava.api.command.InspectContainerResponse;
+import com.github.dockerjava.api.command.InspectImageResponse;
 import com.github.dockerjava.api.exception.ConflictException;
 import com.github.dockerjava.api.exception.DockerClientException;
 import com.github.dockerjava.api.exception.InternalServerErrorException;
 import com.github.dockerjava.api.exception.NotFoundException;
-import com.github.dockerjava.api.model.*;
+import com.github.dockerjava.api.model.Bind;
+import com.github.dockerjava.api.model.Container;
+import com.github.dockerjava.api.model.HostConfig;
+import com.github.dockerjava.api.model.Volume;
 import com.github.dockerjava.core.DefaultDockerClientConfig;
 import com.github.dockerjava.core.DockerClientBuilder;
 import com.github.dockerjava.core.DockerClientConfig;
 import com.github.dockerjava.core.command.ExecStartResultCallback;
 import com.github.dockerjava.core.command.PullImageResultCallback;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import io.openvidu.client.OpenViduException;
 import io.openvidu.client.OpenViduException.Code;
 import io.openvidu.server.recording.service.WaitForContainerStoppedCallback;
@@ -102,9 +108,8 @@ public class DockerManager {
 	}
 
 	public String runContainer(String container, String containerName, String user, List<Volume> volumes,
-			List<Bind> binds, String networkMode, List<String> envs, List<String> command, Long shmSize, boolean privileged,
+			List<Bind> binds, String networkMode, List<String> envs, List<String> command, Long shmSize,
-		    Map<String, String> labels)
+			boolean privileged, Map<String, String> labels) throws Exception {
-			throws Exception {
 
 		CreateContainerCmd cmd = dockerClient.createContainerCmd(container).withEnv(envs);
 		if (containerName != null) {
@@ -167,21 +172,30 @@ public class DockerManager {
 		}
 	}
 
-	public String runCommandInContainer(String containerId, String command, int secondsOfWait)
+	public void runCommandInContainer(String containerId, String command) throws InterruptedException {
+		ExecCreateCmdResponse execCreateCmdResponse = dockerClient.execCreateCmd(containerId).withAttachStdout(true)
+				.withAttachStderr(true).withCmd("bash", "-c", command).exec();
+		dockerClient.execStartCmd(execCreateCmdResponse.getId()).exec(new ExecStartResultCallback() {
+		});
+	}
+
+	public void runCommandInContainerSync(String containerId, String command, int secondsOfWait)
 			throws InterruptedException {
 		ExecCreateCmdResponse execCreateCmdResponse = dockerClient.execCreateCmd(containerId).withAttachStdout(true)
 				.withAttachStderr(true).withCmd("bash", "-c", command).exec();
 		CountDownLatch latch = new CountDownLatch(1);
-		final String[] stringResponse = new String[1];
 		dockerClient.execStartCmd(execCreateCmdResponse.getId()).exec(new ExecStartResultCallback() {
 			@Override
-			public void onNext(Frame item) {
+			public void onComplete() {
-				stringResponse[0] = new String(item.getPayload());
 				latch.countDown();
 			}
 		});
+		try {
 			latch.await(secondsOfWait, TimeUnit.SECONDS);
-		return stringResponse[0];
+		} catch (InterruptedException e) {
+			throw new InterruptedException("Container " + containerId + " did not return from executing command \""
+					+ command + "\" in " + secondsOfWait + " seconds");
+		}
 	}
 
 	public void waitForContainerStopped(String containerId, int secondsOfWait) throws Exception {