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fix getUsedDiskSpace to look at data directories recursively. Patch by Sammy Yu; reviewed by jbellis for CASSANDRA-394 

git-svn-id: https://svn.apache.org/repos/asf/incubator/cassandra/trunk@808546 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jonathan Ellis 2009-08-27 17:22:03 +00:00
parent 866b06ec3d
commit ba88f55d1f
1 changed files with 24 additions and 8 deletions
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32
src/java/org/apache/cassandra/utils/FileUtils.java
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@ -209,26 +209,42 @@ public class FileUtils
return d;
}
/**
* calculate the total space used by a file or directory
*
* @param path the path
* @return total space used.
*/
public static long getUsedDiskSpaceForPath(String path)
{
File file = new File(path);
if (file.isFile())
{
return file.length();
}
long diskSpace = 0;
for (File childFile: file.listFiles())
{
diskSpace += getUsedDiskSpaceForPath(childFile.getPath());
}
return diskSpace;
}
public static long getUsedDiskSpace()
{
long diskSpace = 0L;
String[] directories = DatabaseDescriptor.getAllDataFileLocations();
for ( String directory : directories )
{
File f = new File(directory);
File[] files = f.listFiles();
for ( File file : files )
{
diskSpace += file.length();
}
diskSpace += getUsedDiskSpaceForPath(directory);
}
String value = df_.format(diskSpace);
return Long.parseLong(value);
}
/**
* Deletes all files and subdirectories under "dir".
* @param dir Directory to be deleted