Examples with Response org.apache.drill.exec.rpc.Response used on opensource projects

Example 1 with Response

use of org.apache.drill.exec.rpc.Response in project drill by axbaretto.

the class ServerAuthenticationHandler method handleAuthFailure.

private static <S extends ServerConnection<S>, T extends EnumLite> void handleAuthFailure(final S connection, final ResponseSender sender, final Exception e, final T saslResponseType) throws RpcException {
    final String remoteAddress = connection.getRemoteAddress().toString();
    logger.debug("Authentication using mechanism {} with encryption context {} failed from client {} due to {}", connection.getSaslServer().getMechanismName(), connection.getEncryptionCtxtString(), remoteAddress, e);
    // inform the client that authentication failed, and no more
    sender.send(new Response(saslResponseType, SASL_FAILED_MESSAGE));
    // drop connection
    throw new RpcException(e);
}

Example 2 with Response

use of org.apache.drill.exec.rpc.Response in project drill by axbaretto.

the class UserClient method handle.

@Override
protected void handle(UserToBitConnection connection, int rpcType, ByteBuf pBody, ByteBuf dBody, ResponseSender sender) throws RpcException {
    if (!isAuthComplete()) {
        // Remote should not be making any requests before authenticating, drop connection
        throw new RpcException(String.format("Request of type %d is not allowed without authentication. " + "Remote on %s must authenticate before making requests. Connection dropped.", rpcType, connection.getRemoteAddress()));
    }
    switch(rpcType) {
        case RpcType.QUERY_DATA_VALUE:
            queryResultHandler.batchArrived(connection, pBody, dBody);
            sender.send(new Response(RpcType.ACK, Acks.OK));
            break;
        case RpcType.QUERY_RESULT_VALUE:
            queryResultHandler.resultArrived(pBody);
            sender.send(new Response(RpcType.ACK, Acks.OK));
            break;
        default:
            throw new RpcException(String.format("Unknown Rpc Type %d. ", rpcType));
    }
}

Example 3 with Response

use of org.apache.drill.exec.rpc.Response in project drill by apache.

the class UserClient method handle.

@Override
protected void handle(UserToBitConnection connection, int rpcType, ByteBuf pBody, ByteBuf dBody, ResponseSender sender) throws RpcException {
    if (!isAuthComplete()) {
        // Remote should not be making any requests before authenticating, drop connection
        throw new RpcException(String.format("Request of type %d is not allowed without authentication. " + "Remote on %s must authenticate before making requests. Connection dropped.", rpcType, connection.getRemoteAddress()));
    }
    switch(rpcType) {
        case RpcType.QUERY_DATA_VALUE:
            queryResultHandler.batchArrived(connection, pBody, dBody);
            sender.send(new Response(RpcType.ACK, Acks.OK));
            break;
        case RpcType.QUERY_RESULT_VALUE:
            queryResultHandler.resultArrived(pBody);
            sender.send(new Response(RpcType.ACK, Acks.OK));
            break;
        default:
            throw new RpcException(String.format("Unknown Rpc Type %d. ", rpcType));
    }
}

Example 4 with Response

use of org.apache.drill.exec.rpc.Response in project drill by apache.

the class LocalControlConnectionManager method runCommand.

@Override
public void runCommand(RpcCommand cmd) {
    final int rpcType = cmd.getRpcType().getNumber();
    final ControlMessageHandler messageHandler = config.getMessageHandler();
    if (RpcConstants.EXTRA_DEBUGGING) {
        logger.debug("Received bit com message of type {} over local connection manager", rpcType);
    }
    switch(rpcType) {
        case BitControl.RpcType.REQ_CANCEL_FRAGMENT_VALUE:
            {
                final ControlTunnel.SignalFragment signalFragment = ((ControlTunnel.SignalFragment) cmd);
                final RpcOutcomeListener<Ack> outcomeListener = signalFragment.getOutcomeListener();
                final Ack ackResponse = messageHandler.cancelFragment(signalFragment.getMessage());
                outcomeListener.success(ackResponse, null);
                break;
            }
        case BitControl.RpcType.REQ_CUSTOM_VALUE:
            {
                final ByteBuf[] dataBodies;
                final RpcOutcomeListener<BitControl.CustomMessage> outcomeListener;
                if (cmd instanceof ControlTunnel.CustomMessageSender) {
                    dataBodies = ((ControlTunnel.CustomMessageSender) cmd).getDataBodies();
                    outcomeListener = ((ControlTunnel.CustomMessageSender) cmd).getOutcomeListener();
                } else if (cmd instanceof ControlTunnel.SyncCustomMessageSender) {
                    dataBodies = ((ControlTunnel.SyncCustomMessageSender) cmd).getDataBodies();
                    outcomeListener = ((ControlTunnel.SyncCustomMessageSender) cmd).getOutcomeListener();
                } else {
                    throw new UnsupportedOperationException("Unknown Custom Type control message received");
                }
                DrillBuf reqDrillBuff;
                try {
                    reqDrillBuff = convertToByteBuf(dataBodies);
                } catch (Exception ex) {
                    outcomeListener.failed(new RpcException("Failed to allocate memory while sending request in " + "LocalControlConnectionManager#convertToByteBuff", ex));
                    return;
                } finally {
                    releaseByteBuf(dataBodies);
                }
                try {
                    BitControl.CustomMessage message = (BitControl.CustomMessage) cmd.getMessage();
                    final Response response = messageHandler.getHandlerRegistry().handle(message, reqDrillBuff);
                    DrillBuf responseBuffer;
                    try {
                        responseBuffer = convertToByteBuf(response.dBodies);
                    } catch (Exception ex) {
                        outcomeListener.failed(new RpcException("Failed to allocate memory while sending response in " + "LocalControlConnectionManager#convertToByteBuff", ex));
                        return;
                    } finally {
                        releaseByteBuf(response.dBodies);
                    }
                    // Passed responseBuffer will be owned by consumer
                    outcomeListener.success((BitControl.CustomMessage) response.pBody, responseBuffer);
                } catch (RpcException ex) {
                    cmd.getOutcomeListener().failed(ex);
                } finally {
                    // Release the reqDrillBuff passed into handler
                    releaseByteBuf(reqDrillBuff);
                }
                break;
            }
        case BitControl.RpcType.REQ_RECEIVER_FINISHED_VALUE:
            {
                final ControlTunnel.ReceiverFinished receiverFinished = ((ControlTunnel.ReceiverFinished) cmd);
                final RpcOutcomeListener<Ack> outcomeListener = receiverFinished.getOutcomeListener();
                final Ack ackResponse = messageHandler.receivingFragmentFinished(receiverFinished.getMessage());
                outcomeListener.success(ackResponse, null);
                break;
            }
        case BitControl.RpcType.REQ_FRAGMENT_STATUS_VALUE:
            {
                final ControlTunnel.SendFragmentStatus fragmentStatus = ((ControlTunnel.SendFragmentStatus) cmd);
                final RpcOutcomeListener<Ack> outcomeListener = fragmentStatus.getOutcomeListener();
                final Ack ackResponse = messageHandler.requestFragmentStatus(fragmentStatus.getMessage());
                outcomeListener.success(ackResponse, null);
                break;
            }
        case BitControl.RpcType.REQ_QUERY_CANCEL_VALUE:
            {
                final ControlTunnel.CancelQuery cancelQuery = ((ControlTunnel.CancelQuery) cmd);
                final RpcOutcomeListener<Ack> outcomeListener = cancelQuery.getOutcomeListener();
                final Ack ackResponse = messageHandler.requestQueryCancel(cancelQuery.getMessage());
                outcomeListener.success(ackResponse, null);
                break;
            }
        case BitControl.RpcType.REQ_INITIALIZE_FRAGMENTS_VALUE:
            {
                final ControlTunnel.SendFragment sendFragment = ((ControlTunnel.SendFragment) cmd);
                final RpcOutcomeListener<Ack> outcomeListener = sendFragment.getOutcomeListener();
                try {
                    final Ack ackResponse = messageHandler.initializeFragment(sendFragment.getMessage());
                    outcomeListener.success(ackResponse, null);
                } catch (RpcException ex) {
                    outcomeListener.failed(ex);
                }
                break;
            }
        case BitControl.RpcType.REQ_QUERY_STATUS_VALUE:
            {
                final ControlTunnel.RequestProfile requestProfile = ((ControlTunnel.RequestProfile) cmd);
                final RpcOutcomeListener<UserBitShared.QueryProfile> outcomeListener = requestProfile.getOutcomeListener();
                try {
                    final UserBitShared.QueryProfile profile = messageHandler.requestQueryStatus(requestProfile.getMessage());
                    outcomeListener.success(profile, null);
                } catch (RpcException ex) {
                    outcomeListener.failed(ex);
                }
                break;
            }
        case BitControl.RpcType.REQ_UNPAUSE_FRAGMENT_VALUE:
            {
                final ControlTunnel.SignalFragment signalFragment = ((ControlTunnel.SignalFragment) cmd);
                final RpcOutcomeListener<Ack> outcomeListener = signalFragment.getOutcomeListener();
                final Ack ackResponse = messageHandler.resumeFragment(signalFragment.getMessage());
                outcomeListener.success(ackResponse, null);
                break;
            }
        default:
            final RpcException rpcException = new RpcException(String.format("Unsupported control request type %s " + "received on LocalControlConnectionManager", rpcType));
            cmd.getOutcomeListener().failed(rpcException);
    }
}

Example 5 with Response

use of org.apache.drill.exec.rpc.Response in project drill by apache.

the class UserServerRequestHandler method handle.

@Override
public void handle(BitToUserConnection connection, int rpcType, ByteBuf pBody, ByteBuf dBody, ResponseSender responseSender) throws RpcException {
    switch(rpcType) {
        case RpcType.RUN_QUERY_VALUE:
            logger.debug("Received query to run.  Returning query handle.");
            try {
                final RunQuery query = RunQuery.PARSER.parseFrom(new ByteBufInputStream(pBody));
                final QueryId queryId = worker.submitWork(connection, query);
                responseSender.send(new Response(RpcType.QUERY_HANDLE, queryId));
                break;
            } catch (InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding RunQuery body.", e);
            }
        case RpcType.CANCEL_QUERY_VALUE:
            try {
                final QueryId queryId = QueryId.PARSER.parseFrom(new ByteBufInputStream(pBody));
                final Ack ack = worker.cancelQuery(queryId);
                responseSender.send(new Response(RpcType.ACK, ack));
                break;
            } catch (InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding QueryId body.", e);
            }
        case RpcType.RESUME_PAUSED_QUERY_VALUE:
            try {
                final QueryId queryId = QueryId.PARSER.parseFrom(new ByteBufInputStream(pBody));
                final Ack ack = worker.resumeQuery(queryId);
                responseSender.send(new Response(RpcType.ACK, ack));
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding QueryId body.", e);
            }
        case RpcType.GET_QUERY_PLAN_FRAGMENTS_VALUE:
            try {
                final GetQueryPlanFragments req = GetQueryPlanFragments.PARSER.parseFrom(new ByteBufInputStream(pBody));
                responseSender.send(new Response(RpcType.QUERY_PLAN_FRAGMENTS, worker.getQueryPlan(connection, req)));
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding GetQueryPlanFragments body.", e);
            }
        case RpcType.GET_CATALOGS_VALUE:
            try {
                final GetCatalogsReq req = GetCatalogsReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitCatalogMetadataWork(connection.getSession(), req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding GetCatalogsReq body.", e);
            }
        case RpcType.GET_SCHEMAS_VALUE:
            try {
                final GetSchemasReq req = GetSchemasReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitSchemasMetadataWork(connection.getSession(), req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding GetSchemasReq body.", e);
            }
        case RpcType.GET_TABLES_VALUE:
            try {
                final GetTablesReq req = GetTablesReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitTablesMetadataWork(connection.getSession(), req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding GetTablesReq body.", e);
            }
        case RpcType.GET_COLUMNS_VALUE:
            try {
                final GetColumnsReq req = GetColumnsReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitColumnsMetadataWork(connection.getSession(), req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding GetColumnsReq body.", e);
            }
        case RpcType.CREATE_PREPARED_STATEMENT_VALUE:
            try {
                final CreatePreparedStatementReq req = CreatePreparedStatementReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitPreparedStatementWork(connection, req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding CreatePreparedStatementReq body.", e);
            }
        case RpcType.GET_SERVER_META_VALUE:
            try {
                final GetServerMetaReq req = GetServerMetaReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitServerMetadataWork(connection.getSession(), req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding CreatePreparedStatementReq body.", e);
            }
        default:
            throw new UnsupportedOperationException(String.format("UserServerRequestHandler received rpc of unknown type. Type was %d.", rpcType));
    }
}