com.google.protobuf.BlockingRpcChannel Java Examples

private void grantPermissions(Table table,
                              String user, Action... actions)
        throws Exception {

    ReportUtils.report(report, getClass(), config.toString());
    ReportUtils.report(report, getClass(),"grant request for user=" + user + " table" + table);
    String hbaseAuthEnabled = config.get("hbase.security.authorization");
    if (!isAuthorizationEnabled && (hbaseAuthEnabled == null || !hbaseAuthEnabled.equals("true"))) {
        ReportUtils.report(report, getClass(),
                "HBase security authorization is not enabled, cannot grant permissions");
        return;
    }

    org.apache.hadoop.hbase.client.Table acl = connection.getTable(AccessControlLists.ACL_TABLE_NAME);
    try {
        BlockingRpcChannel service = acl.coprocessorService(HConstants.EMPTY_START_ROW);
        AccessControlProtos.AccessControlService.BlockingInterface protocol = AccessControlProtos.AccessControlService.newBlockingStub(service);
        if (table == null) {
            ProtobufUtil.grant(protocol, user, actions);
        } else {
            ProtobufUtil.grant(protocol, user, TableName.valueOf(table.getName()), null, null, actions);
        }
    } finally {
        acl.close();
    }
}
 

BlockingRpcClient(final Class<?> protocol,
                         final InetSocketAddress addr, ClientSocketChannelFactory factory)
    throws Exception {

  this.protocol = protocol;
  String serviceClassName = protocol.getName() + "$"
      + protocol.getSimpleName() + "Service";
  Class<?> serviceClass = Class.forName(serviceClassName);
  stubMethod = serviceClass.getMethod("newBlockingStub",
      BlockingRpcChannel.class);

  this.handler = new ClientChannelUpstreamHandler();
  pipeFactory = new ProtoPipelineFactory(handler,
      RpcResponse.getDefaultInstance());
  super.init(addr, pipeFactory, factory);
  rpcChannel = new ProxyRpcChannel();

  this.key = new RpcConnectionKey(addr, protocol, false);
}
 

private void doTest(RpcServer rpcServer) throws InterruptedException,
    ServiceException, IOException {
  BlockingRpcChannel blockingChannel = RpcChannels
      .newBlockingRpcChannel(clientConnectionFactory);
  RpcChannel channel = RpcChannels.newRpcChannel(clientConnectionFactory,
      threadPool);
  BlockingInterface blockingStub = TestService
      .newBlockingStub(blockingChannel);
  TestService stub = TestService.newStub(channel);

  try {
    rpcServer.startServer();
    Thread.sleep(500);

    doRpc(stub);
    doBlockingRpc(blockingStub);
    doBlockingRpc(blockingStub);
    doRpc(stub);
  } finally {
    Thread.sleep(500);
    System.out.println("Closing Client");
    if (clientConnectionFactory instanceof Closeable) {
      ((PersistentRpcConnectionFactory) clientConnectionFactory).close();
    }
    Thread.sleep(100);
    System.out.println("Closing Server");
    rpcServer.shutDown();
  }
}
 

/**
 * Create a {@link BlockingRpcChannel} that uses the given
 * {@link RpcConnectionFactory} to connect to the RPC server.
 */
public static BlockingRpcChannel newBlockingRpcChannel(
    RpcConnectionFactory connectionFactory) {
  return new RpcChannelImpl(connectionFactory, SAME_THREAD_EXECUTOR);
}
 

public BlockingRpcChannel getBlockingRpcChannel() {
  return this.rpcChannel;
}