Examples with ResponseInfo com.github.ambry.network.ResponseInfo used on opensource projects

Example 21 with ResponseInfo

use of com.github.ambry.network.ResponseInfo in project ambry by linkedin.

the class MockRouterCallback method testErrorPrecedence.

/**
 * Help test error precedence.
 * @param serverErrorCodesInOrder the list of error codes to set the mock servers with.
 * @param expectedErrorCode the expected router error code for the operation.
 * @throws Exception
 */
private void testErrorPrecedence(ServerErrorCode[] serverErrorCodesInOrder, RouterErrorCode expectedErrorCode) throws Exception {
    NonBlockingRouter.currentOperationsCount.incrementAndGet();
    GetBlobInfoOperation op = new GetBlobInfoOperation(routerConfig, routerMetrics, mockClusterMap, responseHandler, blobId, options, null, routerCallback, kms, cryptoService, cryptoJobHandler, time);
    ArrayList<RequestInfo> requestListToFill = new ArrayList<>();
    requestRegistrationCallback.requestListToFill = requestListToFill;
    int i = 0;
    for (MockServer server : mockServerLayout.getMockServers()) {
        server.setServerErrorForAllRequests(serverErrorCodesInOrder[i++]);
    }
    while (!op.isOperationComplete()) {
        op.poll(requestRegistrationCallback);
        List<ResponseInfo> responses = sendAndWaitForResponses(requestListToFill);
        for (ResponseInfo responseInfo : responses) {
            GetResponse getResponse = responseInfo.getError() == null ? GetResponse.readFrom(new DataInputStream(new ByteBufferInputStream(responseInfo.getResponse())), mockClusterMap) : null;
            op.handleResponse(responseInfo, getResponse);
            if (op.isOperationComplete()) {
                break;
            }
        }
    }
    RouterException routerException = (RouterException) op.getOperationException();
    Assert.assertEquals(expectedErrorCode, routerException.getErrorCode());
}

Example 22 with ResponseInfo

use of com.github.ambry.network.ResponseInfo in project ambry by linkedin.

the class NonBlockingRouterTest method testFailureDetectorNotification.

/**
 * Test that failure detector is correctly notified for all responses regardless of the order in which successful
 * and failed responses arrive.
 * @param opHelper the {@link OperationHelper}
 * @param networkClient the {@link NetworkClient}
 * @param failedReplicaIds the list that will contain all the replicas for which failure was notified.
 * @param blobId the id of the blob to get/delete. For puts, this will be null.
 * @param successfulResponseCount the AtomicInteger that will contain the count of replicas for which success was
 *                                notified.
 * @param invalidResponse the AtomicBoolean that will contain whether an unexpected failure was notified.
 * @param indexToFail if greater than 0, the index representing which response for which failure is to be simulated.
 *                    For example, if index is 0, then the first response will be failed.
 *                    If the index is -1, no responses will be failed, and successful responses will be returned to
 *                    the operation managers.
 */
private void testFailureDetectorNotification(OperationHelper opHelper, NetworkClient networkClient, List<ReplicaId> failedReplicaIds, BlobId blobId, AtomicInteger successfulResponseCount, AtomicBoolean invalidResponse, int indexToFail) throws Exception {
    failedReplicaIds.clear();
    successfulResponseCount.set(0);
    invalidResponse.set(false);
    mockSelectorState.set(MockSelectorState.Good);
    FutureResult futureResult = opHelper.submitOperation(blobId);
    int requestParallelism = opHelper.requestParallelism;
    List<RequestInfo> allRequests = new ArrayList<>();
    long loopStartTimeMs = SystemTime.getInstance().milliseconds();
    while (allRequests.size() < requestParallelism) {
        if (loopStartTimeMs + AWAIT_TIMEOUT_MS < SystemTime.getInstance().milliseconds()) {
            Assert.fail("Waited too long for requests.");
        }
        opHelper.pollOpManager(allRequests);
    }
    ReplicaId replicaIdToFail = indexToFail == -1 ? null : ((RouterRequestInfo) allRequests.get(indexToFail)).getReplicaId();
    for (RequestInfo requestInfo : allRequests) {
        ResponseInfo responseInfo;
        if (replicaIdToFail != null && replicaIdToFail.equals(((RouterRequestInfo) requestInfo).getReplicaId())) {
            responseInfo = new ResponseInfo(requestInfo, NetworkClientErrorCode.NetworkError, null);
        } else {
            List<RequestInfo> requestInfoListToSend = new ArrayList<>();
            requestInfoListToSend.add(requestInfo);
            List<ResponseInfo> responseInfoList;
            loopStartTimeMs = SystemTime.getInstance().milliseconds();
            do {
                if (loopStartTimeMs + AWAIT_TIMEOUT_MS < SystemTime.getInstance().milliseconds()) {
                    Assert.fail("Waited too long for the response.");
                }
                responseInfoList = networkClient.sendAndPoll(requestInfoListToSend, 10);
                requestInfoListToSend.clear();
            } while (responseInfoList.size() == 0);
            responseInfo = responseInfoList.get(0);
        }
        opHelper.handleResponse(responseInfo);
    }
    // Poll once again so that the operation gets a chance to complete.
    allRequests.clear();
    if (testEncryption) {
        opHelper.awaitOpCompletionOrTimeOut(futureResult);
    } else {
        opHelper.pollOpManager(allRequests);
    }
    futureResult.get(AWAIT_TIMEOUT_MS, TimeUnit.MILLISECONDS);
    if (indexToFail == -1) {
        Assert.assertEquals("Successful notification should have arrived for replicas that were up", opHelper.requestParallelism, successfulResponseCount.get());
        Assert.assertEquals("Failure detector should not have been notified", 0, failedReplicaIds.size());
        Assert.assertFalse("There should be no notifications of any other kind", invalidResponse.get());
    } else {
        Assert.assertEquals("Failure detector should have been notified", 1, failedReplicaIds.size());
        Assert.assertEquals("Failed notification should have arrived for the failed replica", replicaIdToFail, failedReplicaIds.get(0));
        Assert.assertEquals("Successful notification should have arrived for replicas that were up", opHelper.requestParallelism - 1, successfulResponseCount.get());
        Assert.assertFalse("There should be no notifications of any other kind", invalidResponse.get());
    }
}

Example 23 with ResponseInfo

use of com.github.ambry.network.ResponseInfo in project ambry by linkedin.

the class ServerAdminTool method sendRequestGetResponse.

/**
 * Sends {@code request} to {@code dataNodeId} and returns the response as a {@link ByteBuffer}.
 * @param dataNodeId the {@link DataNodeId} to contact.
 * @param request the request to send.
 * @return the response as a {@link ByteBuffer} if the response was successfully received. {@code null} otherwise.
 * @throws TimeoutException
 */
private ByteBuffer sendRequestGetResponse(DataNodeId dataNodeId, Send request) throws TimeoutException {
    String hostname = dataNodeId.getHostname();
    Port port = dataNodeId.getPortToConnectTo();
    String identifier = hostname + ":" + port.getPort();
    RequestInfo requestInfo = new RequestInfo(hostname, port, request);
    List<RequestInfo> requestInfos = Collections.singletonList(requestInfo);
    ResponseInfo responseInfo = null;
    long startTimeMs = time.milliseconds();
    do {
        if (time.milliseconds() - startTimeMs > OPERATION_TIMEOUT_MS) {
            throw new TimeoutException(identifier + ": Operation did not complete within " + OPERATION_TIMEOUT_MS + " ms");
        }
        List<ResponseInfo> responseInfos = networkClient.sendAndPoll(requestInfos, POLL_TIMEOUT_MS);
        if (responseInfos.size() > 1) {
            throw new IllegalStateException("Received more than one response even though a single request was sent");
        } else if (!responseInfos.isEmpty()) {
            responseInfo = responseInfos.get(0);
        }
        requestInfos = Collections.EMPTY_LIST;
    } while (responseInfo == null);
    if (responseInfo.getError() != null) {
        throw new IllegalStateException(identifier + ": Encountered error while trying to send request - " + responseInfo.getError());
    }
    return responseInfo.getResponse();
}

Example 24 with ResponseInfo

use of com.github.ambry.network.ResponseInfo in project ambry by linkedin.

the class InMemoryCloudDestinationErrorSimulationTest method testGetBlobErrorSimulation.

/**
 * test error simulation for GetBlobRequest
 * @throws Exception
 */
@Test
public void testGetBlobErrorSimulation() throws Exception {
    BlobId blobId = doPut(partitionId);
    ArrayList<BlobId> blobIdList = new ArrayList<BlobId>();
    blobIdList.add(blobId);
    PartitionRequestInfo partitionRequestInfo = new PartitionRequestInfo(partitionId, blobIdList);
    ArrayList<PartitionRequestInfo> partitionRequestInfoList = new ArrayList<PartitionRequestInfo>();
    partitionRequestInfoList.add(partitionRequestInfo);
    GetRequest getRequest = new GetRequest(1234, "clientId", MessageFormatFlags.Blob, partitionRequestInfoList, GetOption.None);
    RequestInfo requestInfo = new RequestInfo(hostname, port, getRequest, replica, null);
    ResponseInfo responseInfo = sendAndWaitForResponses(requestInfo);
    GetResponse response = responseInfo.getError() == null ? (GetResponse) RouterUtils.mapToReceivedResponse((Response) responseInfo.getResponse()) : null;
    PartitionResponseInfo partitionResponseInfo = response.getPartitionResponseInfoList().get(0);
    Assert.assertEquals("GetRequest should succeed.", response.getError(), ServerErrorCode.No_Error);
    Assert.assertEquals("GetRequest partitionResponseInfo should succeed.", partitionResponseInfo.getErrorCode(), ServerErrorCode.No_Error);
    responseInfo.release();
    // inject error for cloud colo.
    cloudDestination.setServerErrorForAllRequests(StoreErrorCodes.ID_Not_Found);
    getRequest = new GetRequest(1234, "clientId", MessageFormatFlags.Blob, partitionRequestInfoList, GetOption.None);
    requestInfo = new RequestInfo(hostname, port, getRequest, replica, null);
    responseInfo = sendAndWaitForResponses(requestInfo);
    response = responseInfo.getError() == null ? (GetResponse) RouterUtils.mapToReceivedResponse((Response) responseInfo.getResponse()) : null;
    partitionResponseInfo = response.getPartitionResponseInfoList().get(0);
    Assert.assertEquals("GetRequest responseInfo should have no error.", response.getError(), ServerErrorCode.No_Error);
    Assert.assertEquals("GetRequest partitionResponseInfo should be Blob_Not_Found", partitionResponseInfo.getErrorCode(), ServerErrorCode.Blob_Not_Found);
    responseInfo.release();
}

Example 25 with ResponseInfo

use of com.github.ambry.network.ResponseInfo in project ambry by linkedin.

the class InMemoryCloudDestinationErrorSimulationTest method testUndeleteBlobErrorSimulation.

/**
 * test error simulation for UndeleteRequest
 * @throws Exception
 */
@Test
public void testUndeleteBlobErrorSimulation() throws Exception {
    BlobId blobId = doPut(partitionId);
    // Delete the blob first
    {
        DeleteRequest request = new DeleteRequest(1234, "clientId", blobId, SystemTime.getInstance().milliseconds());
        RequestInfo requestInfo = new RequestInfo(hostname, port, request, replica, null);
        ResponseInfo responseInfo = sendAndWaitForResponses(requestInfo);
        DeleteResponse response = responseInfo.getError() == null ? (DeleteResponse) RouterUtils.mapToReceivedResponse((Response) responseInfo.getResponse()) : null;
        Assert.assertEquals("DeleteRequest should succeed.", response.getError(), ServerErrorCode.No_Error);
    }
    UndeleteRequest request = new UndeleteRequest(1234, "clientId", blobId, SystemTime.getInstance().milliseconds());
    RequestInfo requestInfo = new RequestInfo(hostname, port, request, replica, null);
    ResponseInfo responseInfo = sendAndWaitForResponses(requestInfo);
    UndeleteResponse response = responseInfo.getError() == null ? (UndeleteResponse) RouterUtils.mapToReceivedResponse((UndeleteResponse) responseInfo.getResponse()) : null;
    Assert.assertEquals("UndeleteRequest should succeed.", response.getError(), ServerErrorCode.No_Error);
    response.release();
    // inject error for cloud colo.
    cloudDestination.setServerErrorForAllRequests(StoreErrorCodes.Unknown_Error);
    request = new UndeleteRequest(1234, "clientId", blobId, SystemTime.getInstance().milliseconds());
    requestInfo = new RequestInfo(hostname, port, request, replica, null);
    responseInfo = sendAndWaitForResponses(requestInfo);
    response = responseInfo.getError() == null ? (UndeleteResponse) RouterUtils.mapToReceivedResponse((UndeleteResponse) responseInfo.getResponse()) : null;
    Assert.assertEquals("UndeleteRequest should return Unknown_Error.", response.getError(), ServerErrorCode.Unknown_Error);
    response.release();
}