Examples with ServerCallStreamObserver io.grpc.stub.ServerCallStreamObserver used on opensource projects

Example 6 with ServerCallStreamObserver

use of io.grpc.stub.ServerCallStreamObserver in project pinpoint by naver.

the class GrpcCommandService method handleCommandV2.

@Override
public StreamObserver<PCmdMessage> handleCommandV2(StreamObserver<PCmdRequest> requestObserver) {
    final Long transportId = getTransportId();
    final AgentInfo agentInfo = getAgentInfo();
    final List<Integer> supportCommandCodeList = getSupportCommandCodeList();
    logger.info("{} => local. handleCommandV2(). transportId:{}, supportCommandCodeList{}", agentInfo, transportId, supportCommandCodeList);
    if (supportCommandCodeList == Header.SUPPORT_COMMAND_CODE_LIST_NOT_EXIST) {
        logger.warn("handleCommandV2() not allow empty Header:{}. Connection will be disconnected.", Header.SUPPORT_COMMAND_CODE.name());
        requestObserver.onError(new StatusException(Status.INVALID_ARGUMENT));
        return DisabledStreamObserver.instance();
    }
    final PinpointGrpcServer pinpointGrpcServer = registerNewPinpointGrpcServer(requestObserver, agentInfo, transportId);
    if (pinpointGrpcServer == null) {
        return handleServerRegistrationFailed(requestObserver, agentInfo, transportId);
    }
    final ServerCallStreamObserver<PCmdRequest> serverCallStreamObserver = (ServerCallStreamObserver<PCmdRequest>) requestObserver;
    serverCallStreamObserver.setOnReadyHandler(new Runnable() {

        public void run() {
            if (serverCallStreamObserver.isReady()) {
                logger.info("{} => local. ready() transportId:{}", agentInfo.getAgentKey(), transportId);
                pinpointGrpcServer.connected();
                registerAgentCommandList(pinpointGrpcServer, supportCommandCodeList);
            }
            pinpointGrpcServer.setOnCloseHandler(new Runnable() {

                @Override
                public void run() {
                    unregisterPinpointGrpcServer(transportId);
                }
            });
        }
    });
    final StreamObserver<PCmdMessage> responseObserver = new StreamObserver<PCmdMessage>() {

        @Override
        public void onNext(PCmdMessage value) {
            if (value.hasFailMessage()) {
                PCmdResponse failMessage = value.getFailMessage();
                pinpointGrpcServer.handleFail(failMessage);
            }
        }

        @Override
        public void onError(Throwable t) {
            handleOnError(t, pinpointGrpcServer, agentInfo);
        }

        @Override
        public void onCompleted() {
            handleOnCompleted(pinpointGrpcServer, agentInfo);
        }
    };
    return responseObserver;
}

Example 7 with ServerCallStreamObserver

use of io.grpc.stub.ServerCallStreamObserver in project pinpoint by naver.

the class GrpcCommandService method handleCommand.

@Override
public StreamObserver<PCmdMessage> handleCommand(StreamObserver<PCmdRequest> requestObserver) {
    final Long transportId = getTransportId();
    final AgentInfo agentInfo = getAgentInfo();
    logger.info("{} => local. handleCommand(). transportId:{}.", agentInfo, transportId);
    final List<Integer> supportCommandCodeList = getSupportCommandCodeList();
    if (supportCommandCodeList != Header.SUPPORT_COMMAND_CODE_LIST_NOT_EXIST) {
        logger.warn("handleCommand() not support included Header:{}. Connection will be disconnected.", Header.SUPPORT_COMMAND_CODE.name());
        requestObserver.onError(new StatusException(Status.INVALID_ARGUMENT));
        return DisabledStreamObserver.instance();
    }
    final PinpointGrpcServer pinpointGrpcServer = registerNewPinpointGrpcServer(requestObserver, agentInfo, transportId);
    if (pinpointGrpcServer == null) {
        return handleServerRegistrationFailed(requestObserver, agentInfo, transportId);
    }
    final ServerCallStreamObserver<PCmdRequest> serverCallStreamObserver = (ServerCallStreamObserver<PCmdRequest>) requestObserver;
    serverCallStreamObserver.setOnReadyHandler(new Runnable() {

        public void run() {
            if (serverCallStreamObserver.isReady()) {
                logger.info("{} => local. ready() transportId:{}", agentInfo.getAgentKey(), transportId);
                pinpointGrpcServer.connected();
            }
            pinpointGrpcServer.setOnCloseHandler(new Runnable() {

                @Override
                public void run() {
                    unregisterPinpointGrpcServer(transportId);
                }
            });
        }
    });
    final StreamObserver<PCmdMessage> responseObserver = new StreamObserver<PCmdMessage>() {

        @Override
        public void onNext(PCmdMessage value) {
            // old operation for handshake
            if (value.hasHandshakeMessage()) {
                List<Integer> supportCommandServiceKeyList = value.getHandshakeMessage().getSupportCommandServiceKeyList();
                registerAgentCommandList(pinpointGrpcServer, supportCommandServiceKeyList);
            } else if (value.hasFailMessage()) {
                PCmdResponse failMessage = value.getFailMessage();
                pinpointGrpcServer.handleFail(failMessage);
            }
        }

        @Override
        public void onError(Throwable t) {
            handleOnError(t, pinpointGrpcServer, agentInfo);
        }

        @Override
        public void onCompleted() {
            handleOnCompleted(pinpointGrpcServer, agentInfo);
        }
    };
    return responseObserver;
}