Package com.ceph.fs

Examples of com.ceph.fs.CephStat

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   * isn't something that Hadoop expects and we should throw an exception in
   * this case.
   */
  int open(Path path, int flags, int mode) throws IOException {
    int fd = __open(path, flags, mode);
    CephStat stat = new CephStat();
    fstat(fd, stat);
    if (stat.isDir()) {
      mount.close(fd);
      throw new FileNotFoundException();
    }
    return fd;
  }
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   */
  int open(Path path, int flags, int mode, int stripe_unit, int stripe_count,
      int object_size, String data_pool) throws IOException {
    int fd = mount.open(pathString(path), flags, mode, stripe_unit,
        stripe_count, object_size, data_pool);
    CephStat stat = new CephStat();
    fstat(fd, stat);
    if (stat.isDir()) {
      mount.close(fd);
      throw new FileNotFoundException();
    }
    return fd;
  }
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  void rename(Path src, Path dst) throws IOException {
    mount.rename(pathString(src), pathString(dst));
  }

  String[] listdir(Path path) throws IOException {
    CephStat stat = new CephStat();
    try {
      mount.lstat(pathString(path), stat);
    } catch (FileNotFoundException e) {
      return null;
    }
    if (!stat.isDir())
      return null;
    return mount.listdir(pathString(path));
  }
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  short getDefaultReplication() {
    return defaultReplication;
  }

  short get_file_replication(Path path) throws IOException {
    CephStat stat = new CephStat();
    mount.lstat(pathString(path), stat);
    int replication = 1;
    if (stat.isFile()) {
      int fd = mount.open(pathString(path), CephMount.O_RDONLY, 0);
      replication = mount.get_file_replication(fd);
      mount.close(fd);
    }
    return (short)replication;
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   * isn't something that Hadoop expects and we should throw an exception in
   * this case.
   */
  int open(Path path, int flags, int mode) throws IOException {
    int fd = __open(path, flags, mode);
    CephStat stat = new CephStat();
    fstat(fd, stat);
    if (stat.isDir()) {
      mount.close(fd);
      throw new FileNotFoundException();
    }
    return fd;
  }
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   */
  int open(Path path, int flags, int mode, int stripe_unit, int stripe_count,
      int object_size, String data_pool) throws IOException {
    int fd = mount.open(pathString(path), flags, mode, stripe_unit,
        stripe_count, object_size, data_pool);
    CephStat stat = new CephStat();
    fstat(fd, stat);
    if (stat.isDir()) {
      mount.close(fd);
      throw new FileNotFoundException();
    }
    return fd;
  }
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  void rename(Path src, Path dst) throws IOException {
    mount.rename(pathString(src), pathString(dst));
  }

  String[] listdir(Path path) throws IOException {
    CephStat stat = new CephStat();
    try {
      mount.lstat(pathString(path), stat);
    } catch (FileNotFoundException e) {
      return null;
    }
    if (!stat.isDir())
      return null;
    return mount.listdir(pathString(path));
  }
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  short getDefaultReplication() {
    return defaultReplication;
  }

  short get_file_replication(Path path) throws IOException {
    CephStat stat = new CephStat();
    mount.lstat(pathString(path), stat);
    int replication = 1;
    if (stat.isFile()) {
      int fd = mount.open(pathString(path), CephMount.O_RDONLY, 0);
      replication = mount.get_file_replication(fd);
      mount.close(fd);
    }
    return (short)replication;
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    path = makeAbsolute(path);

    int fd = ceph.open(path, CephMount.O_RDONLY, 0);

    /* get file size */
    CephStat stat = new CephStat();
    ceph.fstat(fd, stat);

    CephInputStream istream = new CephInputStream(getConf(), ceph, fd,
        stat.size, bufferSize);
    return new FSDataInputStream(istream);
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   * @throws FileNotFoundException if the path could not be resolved.
   */
  public FileStatus getFileStatus(Path path) throws IOException {
    path = makeAbsolute(path);

    CephStat stat = new CephStat();
    ceph.lstat(path, stat);

    FileStatus status = new FileStatus(stat.size, stat.isDir(),
          ceph.get_file_replication(path), stat.blksize, stat.m_time,
          stat.a_time, new FsPermission((short) stat.mode),
          System.getProperty("user.name"), null, path.makeQualified(this));

    return status;
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Related Classes of com.ceph.fs.CephStat

  • org.apache.hadoop.fs.ceph.CephFileSystem
  • org.apache.hadoop.fs.ceph.CephTalker
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