import org.apache.hadoop.nfs.nfs3.response.REMOVE3Response; //导入依赖的package包/类
@Test(timeout = 60000)
public void testRemove() throws Exception {
  HdfsFileStatus status = nn.getRpcServer().getFileInfo(testdir);
  long dirId = status.getFileId();
  XDR xdr_req = new XDR();
  FileHandle handle = new FileHandle(dirId);
  REMOVE3Request req = new REMOVE3Request(handle, "bar");
  req.serialize(xdr_req);

  // Attempt by an unpriviledged user should fail.
  REMOVE3Response response1 = nfsd.remove(xdr_req.asReadOnlyWrap(),
      securityHandlerUnpriviledged,
      new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3ERR_ACCES,
      response1.getStatus());

  // Attempt by a priviledged user should pass.
  REMOVE3Response response2 = nfsd.remove(xdr_req.asReadOnlyWrap(),
      securityHandler, new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3_OK,
      response2.getStatus());
}
 

import org.apache.hadoop.nfs.nfs3.response.REMOVE3Response; //导入依赖的package包/类
@Test(timeout = 60000)
public void testClientAccessPrivilegeForRemove() throws Exception {
  // Configure ro access for nfs1 service
  config.set("dfs.nfs.exports.allowed.hosts", "* ro");

  // Start nfs
  Nfs3 nfs = new Nfs3(config);
  nfs.startServiceInternal(false);

  RpcProgramNfs3 nfsd = (RpcProgramNfs3) nfs.getRpcProgram();

  // Create a remove request
  HdfsFileStatus status = nn.getRpcServer().getFileInfo(testdir);
  long dirId = status.getFileId();

  XDR xdr_req = new XDR();
  FileHandle handle = new FileHandle(dirId);
  handle.serialize(xdr_req);
  xdr_req.writeString("f1");

  // Remove operation
  REMOVE3Response response = nfsd.remove(xdr_req.asReadOnlyWrap(),
      securityHandler, new InetSocketAddress("localhost", 1234));

  // Assert on return code
  assertEquals("Incorrect return code", Nfs3Status.NFS3ERR_ACCES,
      response.getStatus());

}
 

import org.apache.hadoop.nfs.nfs3.response.REMOVE3Response; //导入依赖的package包/类
@Override
public REMOVE3Response remove(XDR xdr, RpcInfo info) {
  return remove(xdr, getSecurityHandler(info), info.remoteAddress());
}