/**
* Displays the file's all blocks info
*
* @param path The TachyonURI path as the input of the command
* @return 0 if command is successful, -1 if an error occurred.
* @throws IOException
*/
public int fileinfo(TachyonURI path) throws IOException {
TachyonFile fd;
FileInfo fInfo;
try {
fd = mTfs.open(path);
if (fd == null) {
System.out.println(ExceptionMessage.PATH_DOES_NOT_EXIST.getMessage(path));
return -1;
}
fInfo = mTfs.getInfo(fd);
} catch (TachyonException e) {
throw new IOException(e);
}
if (fInfo.isFolder) {
System.out.println(path + " is a directory path so does not have file blocks.");
return -1;
}
System.out.println(path + " with file id " + fd.getFileId() + " has the following blocks: ");
for (long blockId : fInfo.getBlockIds()) {
System.out.println(TachyonBlockStore.get().getInfo(blockId));
}
return 0;
}
public int report(TachyonURI path) throws IOException {
try {
TachyonFile fd = mTfs.open(path);
if (fd == null) {
System.out.println(ExceptionMessage.PATH_DOES_NOT_EXIST.getMessage(path));
return -1;
}
mTfs.reportLostFile(fd);
System.out.println(
path + " with file id " + fd.getFileId() + " has reported been report lost.");
listLineages();
return 0;
} catch (TachyonException e) {
throw new IOException(e.getMessage());
}
}
/**
* Displays a list of hosts that have the file specified in argv stored.
*
* @param path The TachyonURI path as the input of the command
* @return 0 if command is successful, -1 if an error occurred.
* @throws IOException
*/
public int location(TachyonURI path) throws IOException {
TachyonFile fd;
FileInfo fInfo;
try {
fd = mTfs.open(path);
if (fd == null) {
System.out.println(ExceptionMessage.PATH_DOES_NOT_EXIST.getMessage(path));
return -1;
}
fInfo = mTfs.getInfo(fd);
} catch (TachyonException e) {
throw new IOException(e);
}
System.out.println(path + " with file id " + fd.getFileId() + " is on nodes: ");
for (long blockId : fInfo.getBlockIds()) {
for (BlockLocation location : TachyonBlockStore.get().getInfo(blockId).getLocations()) {
System.out.println(location.getWorkerAddress().getHost());
}
}
return 0;
}