| // Copyright (C) 2009 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.sshd.commands; |
| |
| import com.google.gerrit.server.IdentifiedUser; |
| import com.google.gerrit.server.git.WorkQueue; |
| import com.google.gerrit.server.git.WorkQueue.Task; |
| import com.google.gerrit.server.util.IdGenerator; |
| import com.google.gerrit.sshd.BaseCommand; |
| import com.google.inject.Inject; |
| |
| import org.apache.sshd.server.Environment; |
| import org.kohsuke.args4j.Argument; |
| |
| import java.io.PrintWriter; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** Kill a task in the work queue. */ |
| final class KillCommand extends BaseCommand { |
| @Inject |
| private IdentifiedUser currentUser; |
| |
| @Inject |
| private WorkQueue workQueue; |
| |
| private final Set<Integer> taskIds = new HashSet<Integer>(); |
| |
| @Argument(index = 0, multiValued = true, required = true, metaVar = "ID") |
| void addTaskId(final String taskId) { |
| int p = 0; |
| while (p < taskId.length() - 1 && taskId.charAt(p) == '0') { |
| p++; |
| } |
| taskIds.add((int) Long.parseLong(taskId.substring(p), 16)); |
| } |
| |
| @Override |
| public void start(final Environment env) { |
| startThread(new CommandRunnable() { |
| @Override |
| public void run() throws Exception { |
| if (!currentUser.getCapabilities().canKillTask()) { |
| String msg = String.format( |
| "fatal: %s does not have \"Kill Task\" capability.", |
| currentUser.getUserName()); |
| throw new UnloggedFailure(BaseCommand.STATUS_NOT_ADMIN, msg); |
| } |
| |
| parseCommandLine(); |
| KillCommand.this.commitMurder(); |
| } |
| }); |
| } |
| |
| private void commitMurder() { |
| final PrintWriter p = toPrintWriter(err); |
| for (final Integer id : taskIds) { |
| final Task<?> task = workQueue.getTask(id); |
| if (task != null) { |
| task.cancel(true); |
| } else { |
| p.print("kill: " + IdGenerator.format(id) + ": No such task\n"); |
| } |
| } |
| p.flush(); |
| } |
| } |