| // Copyright 2008 Google Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.codereview.manager.unpack; |
| |
| import com.google.codereview.internal.NextReceivedBundle.NextReceivedBundleRequest; |
| import com.google.codereview.internal.NextReceivedBundle.NextReceivedBundleResponse; |
| import com.google.codereview.internal.UpdateReceivedBundle.UpdateReceivedBundleRequest; |
| import com.google.codereview.internal.UpdateReceivedBundle.UpdateReceivedBundleResponse; |
| import com.google.codereview.manager.Backend; |
| import com.google.codereview.manager.StopProcessingException; |
| import com.google.codereview.rpc.SimpleController; |
| import com.google.codereview.util.MutableBoolean; |
| import com.google.protobuf.RpcCallback; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| /** Obtains newly received bundles and unpacks them into Git. */ |
| public class ReceivedBundleUnpacker implements Runnable { |
| private static final Log LOG = |
| LogFactory.getLog(ReceivedBundleUnpacker.class); |
| |
| private static final NextReceivedBundleRequest NEXT_REQ = |
| NextReceivedBundleRequest.getDefaultInstance(); |
| |
| private final Backend server; |
| |
| public ReceivedBundleUnpacker(final Backend be) { |
| server = be; |
| } |
| |
| public void run() { |
| try { |
| runImpl(); |
| } catch (RuntimeException err) { |
| LOG.fatal("Unexpected runtime failure", err); |
| throw err; |
| } catch (Error err) { |
| LOG.fatal("Unexpected runtime failure", err); |
| throw err; |
| } |
| } |
| |
| private void runImpl() { |
| boolean tryAnother; |
| do { |
| tryAnother = next(); |
| } while (tryAnother); |
| } |
| |
| private boolean next() { |
| final MutableBoolean tryAnother = new MutableBoolean(); |
| final SimpleController ctrl = new SimpleController(); |
| server.getBundleStoreService().nextReceivedBundle(ctrl, NEXT_REQ, |
| new RpcCallback<NextReceivedBundleResponse>() { |
| public void run(final NextReceivedBundleResponse rsp) { |
| tryAnother.value = unpack(rsp); |
| } |
| }); |
| if (ctrl.failed()) { |
| LOG.warn("nextReceivedBundle failed: " + ctrl.errorText()); |
| tryAnother.value = false; |
| } |
| return tryAnother.value; |
| } |
| |
| private boolean unpack(final NextReceivedBundleResponse rsp) { |
| final NextReceivedBundleResponse.CodeType sc = rsp.getStatusCode(); |
| if (sc == NextReceivedBundleResponse.CodeType.QUEUE_EMPTY) { |
| return false; |
| } |
| |
| if (sc == NextReceivedBundleResponse.CodeType.BUNDLE_AVAILABLE) { |
| send(unpackImpl(rsp)); |
| return true; |
| } |
| |
| throw new StopProcessingException("unknown status " + sc.name()); |
| } |
| |
| protected UpdateReceivedBundleRequest unpackImpl( |
| final NextReceivedBundleResponse rsp) { |
| return new UnpackBundleOp(server, rsp).unpack(); |
| } |
| |
| private void send(final UpdateReceivedBundleRequest req) { |
| final String key = req.getBundleKey(); |
| final String sc = req.getStatusCode().name(); |
| LOG.debug("Bundle " + key + ", status " + sc); |
| |
| final SimpleController ctrl = new SimpleController(); |
| server.getBundleStoreService().updateReceivedBundle(ctrl, req, |
| new RpcCallback<UpdateReceivedBundleResponse>() { |
| public void run(final UpdateReceivedBundleResponse rsp) { |
| final UpdateReceivedBundleResponse.CodeType sc = |
| rsp.getStatusCode(); |
| if (sc != UpdateReceivedBundleResponse.CodeType.UPDATED) { |
| ctrl.setFailed(sc.name()); |
| } |
| } |
| }); |
| if (ctrl.failed()) { |
| LOG.error("Updating bundle " + key + " failed: " + ctrl.errorText()); |
| } |
| } |
| } |