| // Copyright (C) 2010 The Android Open Source Project |
| // |
| // 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.gerrit.pgm; |
| |
| import static com.google.gerrit.server.schema.DataSourceProvider.Context.MULTI_USER; |
| |
| import com.google.gerrit.lifecycle.LifecycleManager; |
| import com.google.gerrit.pgm.util.SiteProgram; |
| import com.google.gerrit.reviewdb.client.Change; |
| import com.google.gerrit.reviewdb.client.PatchSet; |
| import com.google.gerrit.reviewdb.client.Project; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.ChangeUtil; |
| import com.google.gerrit.server.config.TrackingFooters; |
| import com.google.gerrit.server.git.GitRepositoryManager; |
| import com.google.gerrit.server.schema.SchemaVersionCheck; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.gwtorm.server.SchemaFactory; |
| import com.google.inject.Inject; |
| import com.google.inject.Injector; |
| |
| import org.eclipse.jgit.errors.IncorrectObjectTypeException; |
| import org.eclipse.jgit.errors.MissingObjectException; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.lib.TextProgressMonitor; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.revwalk.RevWalk; |
| import org.kohsuke.args4j.Option; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** Scan changes and update the trackingid information for them. */ |
| public class ScanTrackingIds extends SiteProgram { |
| @Option(name = "--threads", usage = "Number of concurrent threads to run") |
| private int threads = 2 * Runtime.getRuntime().availableProcessors(); |
| |
| private final LifecycleManager manager = new LifecycleManager(); |
| private final TextProgressMonitor monitor = new TextProgressMonitor(); |
| private List<Change> todo; |
| |
| private Injector dbInjector; |
| |
| @Inject |
| private TrackingFooters footers; |
| |
| @Inject |
| private GitRepositoryManager gitManager; |
| |
| @Inject |
| private SchemaFactory<ReviewDb> database; |
| |
| @Override |
| public int run() throws Exception { |
| if (threads <= 0) { |
| threads = 1; |
| } |
| |
| dbInjector = createDbInjector(MULTI_USER); |
| manager.add( |
| dbInjector, |
| dbInjector.createChildInjector(SchemaVersionCheck.module())); |
| manager.start(); |
| dbInjector.injectMembers(this); |
| |
| final ReviewDb db = database.open(); |
| try { |
| todo = db.changes().all().toList(); |
| synchronized (monitor) { |
| monitor.beginTask("Scanning changes", todo.size()); |
| } |
| } finally { |
| db.close(); |
| } |
| |
| final List<Worker> workers = new ArrayList<Worker>(threads); |
| for (int tid = 0; tid < threads; tid++) { |
| Worker t = new Worker(); |
| t.start(); |
| workers.add(t); |
| } |
| for (Worker t : workers) { |
| t.join(); |
| } |
| synchronized (monitor) { |
| monitor.endTask(); |
| } |
| manager.stop(); |
| return 0; |
| } |
| |
| private void scan(ReviewDb db, Change change) { |
| final Project.NameKey project = change.getDest().getParentKey(); |
| final Repository git; |
| try { |
| git = gitManager.openRepository(project); |
| } catch (IOException e) { |
| return; |
| } |
| try { |
| PatchSet ps = db.patchSets().get(change.currentPatchSetId()); |
| if (ps == null || ps.getRevision() == null |
| || ps.getRevision().get() == null) { |
| return; |
| } |
| ChangeUtil.updateTrackingIds(db, change, footers, parse(git, ps) |
| .getFooterLines()); |
| } catch (OrmException error) { |
| System.err.println("ERR " + error.getMessage()); |
| } catch (IOException error) { |
| System.err.println("ERR Cannot scan " + change.getId() + ": " |
| + error.getMessage()); |
| } finally { |
| git.close(); |
| } |
| } |
| |
| private RevCommit parse(final Repository git, PatchSet ps) |
| throws MissingObjectException, IncorrectObjectTypeException, IOException { |
| RevWalk rw = new RevWalk(git); |
| try { |
| return rw.parseCommit(ObjectId.fromString(ps.getRevision().get())); |
| } finally { |
| rw.release(); |
| } |
| } |
| |
| private Change next() { |
| synchronized (todo) { |
| if (todo.isEmpty()) { |
| return null; |
| } |
| return todo.remove(todo.size() - 1); |
| } |
| } |
| |
| private class Worker extends Thread { |
| @Override |
| public void run() { |
| ReviewDb db; |
| try { |
| db = database.open(); |
| } catch (OrmException e) { |
| e.printStackTrace(); |
| return; |
| } |
| try { |
| for (;;) { |
| Change change = next(); |
| if (change == null) { |
| break; |
| } |
| scan(db, change); |
| synchronized (monitor) { |
| monitor.update(1); |
| } |
| } |
| } finally { |
| db.close(); |
| } |
| } |
| } |
| } |