Examples with DetectPrestoRequest alluxio.hub.proto.DetectPrestoRequest used on opensource projects

Example 1 with DetectPrestoRequest

use of alluxio.hub.proto.DetectPrestoRequest in project alluxio by Alluxio.

the class ManagerProcessContext method startDetectPrestoListener.

/**
 * Starts a request stream observer for {@link HostedManagerServiceGrpc} DetectPresto RPC calls.
 */
public void startDetectPrestoListener() {
    HostedManagerServiceGrpc.HostedManagerServiceStub asyncStub = getHostedAsyncStub();
    RequestStreamObserver requestObserver = new RequestStreamObserver<DetectPrestoRequest, DetectPrestoResponse>() {

        @Override
        public DetectPrestoResponse exec(DetectPrestoRequest req) {
            return DetectPrestoResponse.newBuilder().setHubMetadata(mHubMetadata).setPayload(detectPresto(req)).build();
        }

        @Override
        public void restart() {
            startDetectPrestoListener();
        }

        @Override
        public void handleError(String message, Throwable t) {
            handleStatusRuntimeException(message, t);
        }
    };
    StreamObserver<DetectPrestoResponse> responseObserver = asyncStub.detectPresto(requestObserver);
    requestObserver.start(responseObserver, DetectPrestoResponse.newBuilder().setHubMetadata(mHubMetadata).build());
    LOG.info("Started DetectPresto async listener", asyncStub);
}

Example 2 with DetectPrestoRequest

use of alluxio.hub.proto.DetectPrestoRequest in project alluxio by Alluxio.

the class ManagerProcessContext method detectPresto.

private DetectPrestoResponse.Payload detectPresto(DetectPrestoRequest request) {
    AgentDetectPrestoRequest detectRequest = AgentDetectPrestoRequest.newBuilder().setConfDir(request.getPayload().getConfDir()).build();
    boolean workers = execOnHub(client -> client.detectPresto(detectRequest), AlluxioNodeType.WORKER).values().stream().map(AgentDetectPrestoResponse::getDetected).reduce(Boolean::logicalAnd).orElse(false);
    boolean result = workers && execOnHub(client -> client.detectPresto(detectRequest), AlluxioNodeType.MASTER).values().stream().map(AgentDetectPrestoResponse::getDetected).reduce(Boolean::logicalAnd).orElse(false);
    return DetectPrestoResponse.Payload.newBuilder().setDetected(result).build();
}