internal static void AddFiles(FSEditLog editLog, int numFiles, short replication,
int blocksPerFile, long startingBlockId, long blockSize, FileNameGenerator nameGenerator
)
{
PermissionStatus p = new PermissionStatus("joeDoe", "people", new FsPermission((short
)0x1ff));
INodeId inodeId = new INodeId();
INodeDirectory dirInode = new INodeDirectory(inodeId.NextValue(), null, p, 0L);
editLog.LogMkDir(BasePath, dirInode);
BlockInfoContiguous[] blocks = new BlockInfoContiguous[blocksPerFile];
for (int iB = 0; iB < blocksPerFile; ++iB)
{
blocks[iB] = new BlockInfoContiguous(new Block(0, blockSize, BlockGenerationStamp
), replication);
}
long currentBlockId = startingBlockId;
long bidAtSync = startingBlockId;
for (int iF = 0; iF < numFiles; iF++)
{
for (int iB_1 = 0; iB_1 < blocksPerFile; ++iB_1)
{
blocks[iB_1].SetBlockId(currentBlockId++);
}
INodeFile inode = new INodeFile(inodeId.NextValue(), null, p, 0L, 0L, blocks, replication
, blockSize, unchecked ((byte)0));
inode.ToUnderConstruction(string.Empty, string.Empty);
// Append path to filename with information about blockIDs
string path = "_" + iF + "_B" + blocks[0].GetBlockId() + "_to_B" + blocks[blocksPerFile
- 1].GetBlockId() + "_";
string filePath = nameGenerator.GetNextFileName(string.Empty);
filePath = filePath + path;
// Log the new sub directory in edits
if ((iF % nameGenerator.GetFilesPerDirectory()) == 0)
{
string currentDir = nameGenerator.GetCurrentDir();
dirInode = new INodeDirectory(inodeId.NextValue(), null, p, 0L);
editLog.LogMkDir(currentDir, dirInode);
}
INodeFile fileUc = new INodeFile(inodeId.NextValue(), null, p, 0L, 0L, BlockInfoContiguous
.EmptyArray, replication, blockSize);
fileUc.ToUnderConstruction(string.Empty, string.Empty);
editLog.LogOpenFile(filePath, fileUc, false, false);
editLog.LogCloseFile(filePath, inode);
if (currentBlockId - bidAtSync >= 2000)
{
// sync every 2K blocks
editLog.LogSync();
bidAtSync = currentBlockId;
}
}
System.Console.Out.WriteLine("Created edits log in directory " + edits_dir);
System.Console.Out.WriteLine(" containing " + numFiles + " File-Creates, each file with "
+ blocksPerFile + " blocks");
System.Console.Out.WriteLine(" blocks range: " + startingBlockId + " to " + (currentBlockId
- 1));
}
/// <param name="args">arguments</param>
/// <exception cref="System.IO.IOException"></exception>
public static void Main(string[] args)
{
long startingBlockId = 1;
int numFiles = 0;
short replication = 1;
int numBlocksPerFile = 0;
long blockSize = 10;
if (args.Length == 0)
{
PrintUsageExit();
}
for (int i = 0; i < args.Length; i++)
{
// parse command line
if (args[i].Equals("-h"))
{
PrintUsageExit();
}
if (args[i].Equals("-f"))
{
if (i + 3 >= args.Length || args[i + 1].StartsWith("-") || args[i + 2].StartsWith
("-") || args[i + 3].StartsWith("-"))
{
PrintUsageExit("Missing num files, starting block and/or number of blocks");
}
numFiles = System.Convert.ToInt32(args[++i]);
startingBlockId = System.Convert.ToInt32(args[++i]);
numBlocksPerFile = System.Convert.ToInt32(args[++i]);
if (numFiles <= 0 || numBlocksPerFile <= 0)
{
PrintUsageExit("numFiles and numBlocksPerFile most be greater than 0");
}
}
else
{
if (args[i].Equals("-l"))
{
if (i + 1 >= args.Length)
{
PrintUsageExit("Missing block length");
}
blockSize = long.Parse(args[++i]);
}
else
{
if (args[i].Equals("-r") || args[i + 1].StartsWith("-"))
{
if (i + 1 >= args.Length)
{
PrintUsageExit("Missing replication factor");
}
replication = short.ParseShort(args[++i]);
}
else
{
if (args[i].Equals("-d"))
{
if (i + 1 >= args.Length || args[i + 1].StartsWith("-"))
{
PrintUsageExit("Missing edits logs directory");
}
edits_dir = args[++i];
}
else
{
PrintUsageExit();
}
}
}
}
}
FilePath editsLogDir = new FilePath(edits_dir);
FilePath subStructureDir = new FilePath(edits_dir + "/" + Storage.StorageDirCurrent
);
if (!editsLogDir.Exists())
{
if (!editsLogDir.Mkdir())
{
System.Console.Out.WriteLine("cannot create " + edits_dir);
System.Environment.Exit(-1);
}
}
if (!subStructureDir.Exists())
{
if (!subStructureDir.Mkdir())
{
System.Console.Out.WriteLine("cannot create subdirs of " + edits_dir);
System.Environment.Exit(-1);
}
}
FileNameGenerator nameGenerator = new FileNameGenerator(BasePath, 100);
FSEditLog editLog = FSImageTestUtil.CreateStandaloneEditLog(editsLogDir);
editLog.OpenForWrite();
AddFiles(editLog, numFiles, replication, numBlocksPerFile, startingBlockId, blockSize
, nameGenerator);
editLog.LogSync();
editLog.Close();
}