Java HdfsFileStatus.getFileId方法代码示例

import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; //导入方法依赖的package包/类
public static Nfs3FileAttributes getNfs3FileAttrFromFileStatus(
    HdfsFileStatus fs, IdMappingServiceProvider iug) {
  /**
   * Some 32bit Linux client has problem with 64bit fileId: it seems the 32bit
   * client takes only the lower 32bit of the fileId and treats it as signed
   * int. When the 32th bit is 1, the client considers it invalid.
   */
  NfsFileType fileType = fs.isDir() ? NfsFileType.NFSDIR : NfsFileType.NFSREG;
  fileType = fs.isSymlink() ? NfsFileType.NFSLNK : fileType;
  int nlink = (fileType == NfsFileType.NFSDIR) ? fs.getChildrenNum() + 2 : 1;
  long size = (fileType == NfsFileType.NFSDIR) ? getDirSize(fs
      .getChildrenNum()) : fs.getLen();
  return new Nfs3FileAttributes(fileType, nlink,
      fs.getPermission().toShort(), iug.getUidAllowingUnknown(fs.getOwner()),
      iug.getGidAllowingUnknown(fs.getGroup()), size, 0 /* fsid */,
      fs.getFileId(), fs.getModificationTime(), fs.getAccessTime(),
      new Nfs3FileAttributes.Specdata3());
}
 

import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; //导入方法依赖的package包/类
@Test(timeout = 60000)
public void testCommit() throws Exception {
  HdfsFileStatus status = nn.getRpcServer().getFileInfo("/tmp/bar");
  long dirId = status.getFileId();
  FileHandle handle = new FileHandle(dirId);
  XDR xdr_req = new XDR();
  COMMIT3Request req = new COMMIT3Request(handle, 0, 5);
  req.serialize(xdr_req);

  Channel ch = Mockito.mock(Channel.class);

  // Attempt by an unpriviledged user should fail.
  COMMIT3Response response1 = nfsd.commit(xdr_req.asReadOnlyWrap(),
      ch, 1, securityHandlerUnpriviledged,
      new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3ERR_ACCES,
      response1.getStatus());

  // Attempt by a priviledged user should pass.
  COMMIT3Response response2 = nfsd.commit(xdr_req.asReadOnlyWrap(),
      ch, 1, securityHandler,
      new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect COMMIT3Response:", null, response2);
}
 

import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; //导入方法依赖的package包/类
@Test(timeout = 60000)
public void testGetattr() throws Exception {
  HdfsFileStatus status = nn.getRpcServer().getFileInfo("/tmp/bar");
  long dirId = status.getFileId();
  FileHandle handle = new FileHandle(dirId);
  XDR xdr_req = new XDR();
  GETATTR3Request req = new GETATTR3Request(handle);
  req.serialize(xdr_req);
  
  // Attempt by an unpriviledged user should fail.
  GETATTR3Response response1 = nfsd.getattr(xdr_req.asReadOnlyWrap(),
      securityHandlerUnpriviledged,
      new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code", Nfs3Status.NFS3ERR_ACCES,
      response1.getStatus());

  // Attempt by a priviledged user should pass.
  GETATTR3Response response2 = nfsd.getattr(xdr_req.asReadOnlyWrap(),
      securityHandler, new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code", Nfs3Status.NFS3_OK,
      response2.getStatus());
}
 

import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; //导入方法依赖的package包/类
@Test(timeout = 60000)
public void testSetattr() throws Exception {
  HdfsFileStatus status = nn.getRpcServer().getFileInfo(testdir);
  long dirId = status.getFileId();
  XDR xdr_req = new XDR();
  FileHandle handle = new FileHandle(dirId);
  SetAttr3 symAttr = new SetAttr3(0, 1, 0, 0, null, null,
      EnumSet.of(SetAttrField.UID));
  SETATTR3Request req = new SETATTR3Request(handle, symAttr, false, null);
  req.serialize(xdr_req);

  // Attempt by an unprivileged user should fail.
  SETATTR3Response response1 = nfsd.setattr(xdr_req.asReadOnlyWrap(),
      securityHandlerUnpriviledged,
      new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code", Nfs3Status.NFS3ERR_ACCES,
      response1.getStatus());

  // Attempt by a priviledged user should pass.
  SETATTR3Response response2 = nfsd.setattr(xdr_req.asReadOnlyWrap(),
      securityHandler, new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code", Nfs3Status.NFS3_OK,
      response2.getStatus());
}
 

import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; //导入方法依赖的package包/类
@Test(timeout = 60000)
public void testLookup() throws Exception {
  HdfsFileStatus status = nn.getRpcServer().getFileInfo(testdir);
  long dirId = status.getFileId();
  FileHandle handle = new FileHandle(dirId);
  LOOKUP3Request lookupReq = new LOOKUP3Request(handle, "bar");
  XDR xdr_req = new XDR();
  lookupReq.serialize(xdr_req);

  // Attempt by an unpriviledged user should fail.
  LOOKUP3Response response1 = nfsd.lookup(xdr_req.asReadOnlyWrap(),
      securityHandlerUnpriviledged,
      new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code", Nfs3Status.NFS3ERR_ACCES,
      response1.getStatus());

  // Attempt by a priviledged user should pass.
  LOOKUP3Response response2 = nfsd.lookup(xdr_req.asReadOnlyWrap(),
      securityHandler, new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code", Nfs3Status.NFS3_OK,
      response2.getStatus());
}
 

import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; //导入方法依赖的package包/类
@Test(timeout = 60000)
public void testFsstat() throws Exception {
  HdfsFileStatus status = nn.getRpcServer().getFileInfo("/tmp/bar");
  long dirId = status.getFileId();
  FileHandle handle = new FileHandle(dirId);
  XDR xdr_req = new XDR();
  FSSTAT3Request req = new FSSTAT3Request(handle);
  req.serialize(xdr_req);
  
  // Attempt by an unpriviledged user should fail.
  FSSTAT3Response response1 = nfsd.fsstat(xdr_req.asReadOnlyWrap(),
      securityHandlerUnpriviledged,
      new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3ERR_ACCES,
      response1.getStatus());

  // Attempt by a priviledged user should pass.
  FSSTAT3Response response2 = nfsd.fsstat(xdr_req.asReadOnlyWrap(),
      securityHandler, new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3_OK,
      response2.getStatus());
}
 

import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; //导入方法依赖的package包/类
@Test(timeout = 60000)
public void testFsinfo() throws Exception {
  HdfsFileStatus status = nn.getRpcServer().getFileInfo("/tmp/bar");
  long dirId = status.getFileId();
  FileHandle handle = new FileHandle(dirId);
  XDR xdr_req = new XDR();
  FSINFO3Request req = new FSINFO3Request(handle);
  req.serialize(xdr_req);
  
  // Attempt by an unpriviledged user should fail.
  FSINFO3Response response1 = nfsd.fsinfo(xdr_req.asReadOnlyWrap(),
      securityHandlerUnpriviledged,
      new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3ERR_ACCES,
      response1.getStatus());

  // Attempt by a priviledged user should pass.
  FSINFO3Response response2 = nfsd.fsinfo(xdr_req.asReadOnlyWrap(),
      securityHandler, new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3_OK,
      response2.getStatus());
}
 

import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; //导入方法依赖的package包/类
private void createFileUsingNfs(String fileName, byte[] buffer)
    throws Exception {
  DFSTestUtil.createFile(hdfs, new Path(fileName), 0, (short) 1, 0);

  final HdfsFileStatus status = nn.getRpcServer().getFileInfo(fileName);
  final long dirId = status.getFileId();
  final FileHandle handle = new FileHandle(dirId);

  final WRITE3Request writeReq = new WRITE3Request(handle, 0,
      buffer.length, WriteStableHow.DATA_SYNC, ByteBuffer.wrap(buffer));
  final XDR xdr_req = new XDR();
  writeReq.serialize(xdr_req);

  final WRITE3Response response = nfsd.write(xdr_req.asReadOnlyWrap(),
      null, 1, securityHandler,
      new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect response: ", null, response);
}
 

import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; //导入方法依赖的package包/类
private byte[] getFileContentsUsingNfs(String fileName, int len)
    throws Exception {
  final HdfsFileStatus status = nn.getRpcServer().getFileInfo(fileName);
  final long dirId = status.getFileId();
  final FileHandle handle = new FileHandle(dirId);

  final READ3Request readReq = new READ3Request(handle, 0, len);
  final XDR xdr_req = new XDR();
  readReq.serialize(xdr_req);

  final READ3Response response = nfsd.read(xdr_req.asReadOnlyWrap(),
      securityHandler, new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code: ", Nfs3Status.NFS3_OK,
      response.getStatus());
  assertTrue("expected full read", response.isEof());
  return response.getData().array();
}
 

import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; //导入方法依赖的package包/类
@Test(timeout = 60000)
public void testCreate() throws Exception {
  HdfsFileStatus status = nn.getRpcServer().getFileInfo(testdir);
  long dirId = status.getFileId();
  XDR xdr_req = new XDR();
  FileHandle handle = new FileHandle(dirId);
  CREATE3Request req = new CREATE3Request(handle, "fubar",
      Nfs3Constant.CREATE_UNCHECKED, new SetAttr3(), 0);
  req.serialize(xdr_req);
  
  // Attempt by an unpriviledged user should fail.
  CREATE3Response response1 = nfsd.create(xdr_req.asReadOnlyWrap(),
      securityHandlerUnpriviledged,
      new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3ERR_ACCES,
      response1.getStatus());

  // Attempt by a priviledged user should pass.
  CREATE3Response response2 = nfsd.create(xdr_req.asReadOnlyWrap(),
      securityHandler, new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3_OK,
      response2.getStatus());
}
 

import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; //导入方法依赖的package包/类
@Test(timeout = 60000)
public void testMkdir() throws Exception {//FixME
  HdfsFileStatus status = nn.getRpcServer().getFileInfo(testdir);
  long dirId = status.getFileId();
  XDR xdr_req = new XDR();
  FileHandle handle = new FileHandle(dirId);
  MKDIR3Request req = new MKDIR3Request(handle, "fubar1", new SetAttr3());
  req.serialize(xdr_req);
  
  // Attempt to mkdir by an unprivileged user should fail.
  MKDIR3Response response1 = nfsd.mkdir(xdr_req.asReadOnlyWrap(),
      securityHandlerUnpriviledged,
      new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3ERR_ACCES,
      response1.getStatus());

  XDR xdr_req2 = new XDR();
  MKDIR3Request req2 = new MKDIR3Request(handle, "fubar2", new SetAttr3());
  req2.serialize(xdr_req2);
  
  // Attempt to mkdir by a privileged user should pass.
  MKDIR3Response response2 = nfsd.mkdir(xdr_req2.asReadOnlyWrap(),
      securityHandler, new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3_OK,
      response2.getStatus());
}
 

import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; //导入方法依赖的package包/类
@Test(timeout = 60000)
public void testSymlink() throws Exception {
  HdfsFileStatus status = nn.getRpcServer().getFileInfo(testdir);
  long dirId = status.getFileId();
  XDR xdr_req = new XDR();
  FileHandle handle = new FileHandle(dirId);
  SYMLINK3Request req = new SYMLINK3Request(handle, "fubar", new SetAttr3(),
      "bar");
  req.serialize(xdr_req);

  // Attempt by an unprivileged user should fail.
  SYMLINK3Response response1 = nfsd.symlink(xdr_req.asReadOnlyWrap(),
      securityHandlerUnpriviledged,
      new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3ERR_ACCES,
      response1.getStatus());

  // Attempt by a privileged user should pass.
  SYMLINK3Response response2 = nfsd.symlink(xdr_req.asReadOnlyWrap(),
      securityHandler, new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3_OK,
      response2.getStatus());
}
 

import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; //导入方法依赖的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.hdfs.protocol.HdfsFileStatus; //导入方法依赖的package包/类
@Test(timeout = 60000)
public void testRename() throws Exception {
  HdfsFileStatus status = nn.getRpcServer().getFileInfo(testdir);
  long dirId = status.getFileId();
  XDR xdr_req = new XDR();
  FileHandle handle = new FileHandle(dirId);
  RENAME3Request req = new RENAME3Request(handle, "bar", handle, "fubar");
  req.serialize(xdr_req);
  
  // Attempt by an unprivileged user should fail.
  RENAME3Response response1 = nfsd.rename(xdr_req.asReadOnlyWrap(),
      securityHandlerUnpriviledged,
      new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3ERR_ACCES,
      response1.getStatus());

  // Attempt by a privileged user should pass.
  RENAME3Response response2 = nfsd.rename(xdr_req.asReadOnlyWrap(),
      securityHandler, new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3_OK,
      response2.getStatus());
}
 

import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; //导入方法依赖的package包/类
@Test(timeout = 60000)
public void testPathconf() throws Exception {
  HdfsFileStatus status = nn.getRpcServer().getFileInfo("/tmp/bar");
  long dirId = status.getFileId();
  FileHandle handle = new FileHandle(dirId);
  XDR xdr_req = new XDR();
  PATHCONF3Request req = new PATHCONF3Request(handle);
  req.serialize(xdr_req);
  
  // Attempt by an unpriviledged user should fail.
  PATHCONF3Response response1 = nfsd.pathconf(xdr_req.asReadOnlyWrap(),
      securityHandlerUnpriviledged,
      new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3ERR_ACCES,
      response1.getStatus());

  // Attempt by a priviledged user should pass.
  PATHCONF3Response response2 = nfsd.pathconf(xdr_req.asReadOnlyWrap(),
      securityHandler, new InetSocketAddress("localhost", 1234));
  assertEquals("Incorrect return code:", Nfs3Status.NFS3_OK,
      response2.getStatus());
}