Java User.getCurrent方法代码示例

import org.apache.hadoop.hbase.security.User; //导入方法依赖的package包/类
@Test
public void testAuthManager() throws Exception {
  Configuration conf = UTIL.getConfiguration();
  /* test a race condition causing TableAuthManager to sometimes fail global permissions checks
   * when the global cache is being updated
   */
  TableAuthManager authManager = TableAuthManager.get(ZKW, conf);
  // currently running user is the system user and should have global admin perms
  User currentUser = User.getCurrent();
  assertTrue(authManager.authorize(currentUser, Permission.Action.ADMIN));
  for (int i=1; i<=50; i++) {
    AccessControlLists.addUserPermission(conf, new UserPermission(Bytes.toBytes("testauth"+i),
        Permission.Action.ADMIN, Permission.Action.READ, Permission.Action.WRITE));
    // make sure the system user still shows as authorized
    assertTrue("Failed current user auth check on iter "+i,
        authManager.authorize(currentUser, Permission.Action.ADMIN));
  }
}
 

import org.apache.hadoop.hbase.security.User; //导入方法依赖的package包/类
/**
 * This method clones the passed <code>c</code> configuration setting a new
 * user into the clone.  Use it getting new instances of FileSystem.  Only
 * works for DistributedFileSystem w/o Kerberos.
 * @param c Initial configuration
 * @param differentiatingSuffix Suffix to differentiate this user from others.
 * @return A new configuration instance with a different user set into it.
 * @throws IOException
 */
public static User getDifferentUser(final Configuration c,
  final String differentiatingSuffix)
throws IOException {
  FileSystem currentfs = FileSystem.get(c);
  if (!(currentfs instanceof DistributedFileSystem) || User.isHBaseSecurityEnabled(c)) {
    return User.getCurrent();
  }
  // Else distributed filesystem.  Make a new instance per daemon.  Below
  // code is taken from the AppendTestUtil over in hdfs.
  String username = User.getCurrent().getName() +
    differentiatingSuffix;
  User user = User.createUserForTesting(c, username,
      new String[]{"supergroup"});
  return user;
}
 

import org.apache.hadoop.hbase.security.User; //导入方法依赖的package包/类
/**
 * @return User who called RPC method. For non-RPC handling, falls back to system user
 * @throws IOException When there is IOE in getting the system user (During non-RPC handling).
 */
public static User getActiveUser() throws IOException {
  User user = RpcServer.getRequestUser();
  if (user == null) {
    user = User.getCurrent();
  }
  if (LOG.isTraceEnabled()) {
    LOG.trace("Current active user name is " + user.getShortName());
  }
  return user;
}
 

import org.apache.hadoop.hbase.security.User; //导入方法依赖的package包/类
public MiniHBaseClusterRegionServer(Configuration conf, CoordinatedStateManager cp)
    throws IOException, InterruptedException {
  super(conf, cp);
  this.user = User.getCurrent();
}
 

import org.apache.hadoop.hbase.security.User; //导入方法依赖的package包/类
public static void main(String[] args) throws IOException, SecurityException,
    NoSuchMethodException, InterruptedException {
  if (args.length != 2) {
    System.out.println("Usage: TestAsyncIPC <CYCLES> <CELLS_PER_CYCLE>");
    return;
  }
  // ((Log4JLogger)HBaseServer.LOG).getLogger().setLevel(Level.INFO);
  // ((Log4JLogger)HBaseClient.LOG).getLogger().setLevel(Level.INFO);
  int cycles = Integer.parseInt(args[0]);
  int cellcount = Integer.parseInt(args[1]);
  Configuration conf = HBaseConfiguration.create();
  TestRpcServer rpcServer = new TestRpcServer();
  MethodDescriptor md = SERVICE.getDescriptorForType().findMethodByName("echo");
  EchoRequestProto param = EchoRequestProto.newBuilder().setMessage("hello").build();
  AsyncRpcClient client = new AsyncRpcClient(conf);
  KeyValue kv = BIG_CELL;
  Put p = new Put(CellUtil.cloneRow(kv));
  for (int i = 0; i < cellcount; i++) {
    p.add(kv);
  }
  RowMutations rm = new RowMutations(CellUtil.cloneRow(kv));
  rm.add(p);
  try {
    rpcServer.start();
    InetSocketAddress address = rpcServer.getListenerAddress();
    if (address == null) {
      throw new IOException("Listener channel is closed");
    }
    long startTime = System.currentTimeMillis();
    User user = User.getCurrent();
    for (int i = 0; i < cycles; i++) {
      List<CellScannable> cells = new ArrayList<CellScannable>();
      // Message param = RequestConverter.buildMultiRequest(HConstants.EMPTY_BYTE_ARRAY, rm);
      ClientProtos.RegionAction.Builder builder =
          RequestConverter.buildNoDataRegionAction(HConstants.EMPTY_BYTE_ARRAY, rm, cells,
            RegionAction.newBuilder(), ClientProtos.Action.newBuilder(),
            MutationProto.newBuilder());
      builder.setRegion(RegionSpecifier
          .newBuilder()
          .setType(RegionSpecifierType.REGION_NAME)
          .setValue(
            ByteString.copyFrom(HRegionInfo.FIRST_META_REGIONINFO.getEncodedNameAsBytes())));
      if (i % 100000 == 0) {
        LOG.info("" + i);
        // Uncomment this for a thread dump every so often.
        // ReflectionUtils.printThreadInfo(new PrintWriter(System.out),
        // "Thread dump " + Thread.currentThread().getName());
      }
      PayloadCarryingRpcController pcrc =
          new PayloadCarryingRpcController(CellUtil.createCellScanner(cells));
      // Pair<Message, CellScanner> response =
      client.call(pcrc, md, builder.build(), param, user, address,
          new MetricsConnection.CallStats());
      /*
       * int count = 0; while (p.getSecond().advance()) { count++; } assertEquals(cells.size(),
       * count);
       */
    }
    LOG.info("Cycled " + cycles + " time(s) with " + cellcount + " cell(s) in "
        + (System.currentTimeMillis() - startTime) + "ms");
  } finally {
    client.close();
    rpcServer.stop();
  }
}
 

import org.apache.hadoop.hbase.security.User; //导入方法依赖的package包/类
public static void main(String[] args) throws IOException, SecurityException,
    NoSuchMethodException, InterruptedException {
  if (args.length != 2) {
    System.out.println("Usage: TestIPC <CYCLES> <CELLS_PER_CYCLE>");
    return;
  }
  // ((Log4JLogger)HBaseServer.LOG).getLogger().setLevel(Level.INFO);
  // ((Log4JLogger)HBaseClient.LOG).getLogger().setLevel(Level.INFO);
  int cycles = Integer.parseInt(args[0]);
  int cellcount = Integer.parseInt(args[1]);
  Configuration conf = HBaseConfiguration.create();
  TestRpcServer rpcServer = new TestRpcServer();
  MethodDescriptor md = SERVICE.getDescriptorForType().findMethodByName("echo");
  EchoRequestProto param = EchoRequestProto.newBuilder().setMessage("hello").build();
  RpcClientImpl client = new RpcClientImpl(conf, HConstants.CLUSTER_ID_DEFAULT);
  KeyValue kv = BIG_CELL;
  Put p = new Put(CellUtil.cloneRow(kv));
  for (int i = 0; i < cellcount; i++) {
    p.add(kv);
  }
  RowMutations rm = new RowMutations(CellUtil.cloneRow(kv));
  rm.add(p);
  try {
    rpcServer.start();
    long startTime = System.currentTimeMillis();
    User user = User.getCurrent();
    InetSocketAddress address = rpcServer.getListenerAddress();
    if (address == null) {
      throw new IOException("Listener channel is closed");
    }
    for (int i = 0; i < cycles; i++) {
      List<CellScannable> cells = new ArrayList<CellScannable>();
      // Message param = RequestConverter.buildMultiRequest(HConstants.EMPTY_BYTE_ARRAY, rm);
      ClientProtos.RegionAction.Builder builder =
          RequestConverter.buildNoDataRegionAction(HConstants.EMPTY_BYTE_ARRAY, rm, cells,
            RegionAction.newBuilder(), ClientProtos.Action.newBuilder(),
            MutationProto.newBuilder());
      builder.setRegion(RegionSpecifier
          .newBuilder()
          .setType(RegionSpecifierType.REGION_NAME)
          .setValue(
            ByteString.copyFrom(HRegionInfo.FIRST_META_REGIONINFO.getEncodedNameAsBytes())));
      if (i % 100000 == 0) {
        LOG.info("" + i);
        // Uncomment this for a thread dump every so often.
        // ReflectionUtils.printThreadInfo(new PrintWriter(System.out),
        // "Thread dump " + Thread.currentThread().getName());
      }
      PayloadCarryingRpcController pcrc =
          new PayloadCarryingRpcController(CellUtil.createCellScanner(cells));
      // Pair<Message, CellScanner> response =
      client.call(pcrc, md, builder.build(), param, user, address,
          new MetricsConnection.CallStats());
      /*
       * int count = 0; while (p.getSecond().advance()) { count++; } assertEquals(cells.size(),
       * count);
       */
    }
    LOG.info("Cycled " + cycles + " time(s) with " + cellcount + " cell(s) in "
        + (System.currentTimeMillis() - startTime) + "ms");
  } finally {
    client.close();
    rpcServer.stop();
  }
}