/// <summary>
/// Builds and saves a PFS image.
/// </summary>
/// <param name="p"></param>
public void BuildPfs(PfsProperties p)
{
// TODO: Combine the superroot-specific stuff with the rest of the data block writing.
// I think this is as simple as adding superroot and flat_path_table to allNodes
hdr = new PfsHeader {
BlockSize = p.BlockSize
};
inodes = new List <PfsDinode32>();
dirents = new List <List <PfsDirent> >();
Console.WriteLine("Setting up root structure...");
SetupRootStructure();
BuildFSTree(root, p.RootDirectory);
allDirs = root.GetAllChildrenDirs();
allFiles = root.GetAllChildrenFiles();
allNodes = new List <FSNode>(allDirs);
allNodes.AddRange(allFiles);
Console.WriteLine("Creating directory inodes ({0})...", allDirs.Count);
addDirInodes();
Console.WriteLine("Creating file inodes ({0})...", allFiles.Count);
addFileInodes();
Console.WriteLine("Creating flat_path_table...");
fpt = new FlatPathTable(allNodes);
Console.WriteLine("Calculating data block layout...");
allNodes.Insert(0, root);
CalculateDataBlockLayout();
Console.WriteLine("Writing image file...");
hdr.Ndblock = allFiles.Sum((f) => CeilDiv(f.Size, hdr.BlockSize));
using (var stream = File.Create(p.ImageFilename))
{
Console.WriteLine("Writing header...");
hdr.WriteToStream(stream);
Console.WriteLine("Writing inodes...");
WriteInodes(stream);
Console.WriteLine("Writing superroot dirents");
WriteSuperrootDirents(stream);
Console.WriteLine("Writing flat_path_table");
stream.Position = fpt_ino.db[0] * hdr.BlockSize;
fpt.WriteToStream(stream);
Console.WriteLine("Writing data blocks...");
for (var x = 0; x < allNodes.Count; x++)
{
var f = allNodes[x];
stream.Position = f.ino.db[0] * hdr.BlockSize;
WriteFSNode(stream, f);
}
}
}
static PfsProperties ParseArgs(string[] args)
{
var p = new PfsProperties()
{
BlockSize = 0x10000,
RootDirectory = null
};
for (var i = 0; i < args.Length; i++)
{
switch (args[i])
{
case "-r":
p.RootDirectory = args[++i];
break;
case "-b":
p.BlockSize = uint.Parse(args[++i]);
break;
case "-o":
p.ImageFilename = args[++i];
break;
default:
Console.WriteLine("Unknown argument " + args[i]);
throw new ArgumentException();
}
}
if (!Directory.Exists(p.RootDirectory))
{
throw new ArgumentException();
}
return(p);
}
