static int RawDiskSeekTest(ConsoleService c, string cmdName, string str)
{
ConsoleParam[] args =
{
new ConsoleParam("[diskName]", ConsoleService.Prompt, "Physical disk name: ", ConsoleService.EvalNotEmpty, null),
};
ConsoleParamValueList vl = c.ParseCommandList(cmdName, str, args);
string diskName = vl.DefaultParam.StrValue;
using var rawFs = new LocalRawDiskFileSystem();
using var disk = rawFs.Open($"/{diskName}");
int size = 4096;
long diskSize = disk.Size;
Memory <byte> tmp = new byte[size];
int numSeek = 0;
long startTick = Time.HighResTick64;
long last = 0;
while (true)
{
long pos = (Util.RandSInt63() % (diskSize - (long)size)) / 4096L * 4096L;
disk.ReadRandom(pos, tmp);
numSeek++;
if ((numSeek % 10) == 0)
{
long now = Time.HighResTick64;
if (now > startTick)
{
if (last == 0 || (last + 1000) <= now)
{
last = now;
double secs = (double)(now - startTick) / 1000.0;
double averageSeekTime = secs / (double)numSeek;
Con.WriteLine(averageSeekTime.ToString("F6"));
if (now >= (startTick + (10 * 1000)))
{
break;
}
}
}
}
}
Con.WriteLine();
return(0);
}
static void RawDiskEnum()
{
using (var rawFs = new LocalRawDiskFileSystem())
{
Con.WriteLine();
var items = rawFs.EnumDirectory("/");
foreach (var item in items.Where(x => x.IsFile))
{
Con.WriteLine($"{item.Name} - {item.Size._ToString3()} bytes");
}
Con.WriteLine();
}
}
static int RawDiskRestore(ConsoleService c, string cmdName, string str)
{
ConsoleParam[] args =
{
new ConsoleParam("[diskName]", ConsoleService.Prompt, "Physical disk name: ", ConsoleService.EvalNotEmpty, null),
new ConsoleParam("src", ConsoleService.Prompt, "Source file name: ", ConsoleService.EvalNotEmpty, null),
new ConsoleParam("truncate"),
};
ConsoleParamValueList vl = c.ParseCommandList(cmdName, str, args);
string diskName = vl.DefaultParam.StrValue;
string dstFileName = vl["src"].StrValue;
long truncate = vl["truncate"].StrValue._ToLong();
if (truncate <= 0)
{
truncate = -1;
}
else
{
truncate = (truncate + 4095L) / 4096L * 4096L;
}
using (var rawFs = new LocalRawDiskFileSystem())
{
using (var disk = rawFs.Open($"/{diskName}", writeMode: true))
{
using (var file = Lfs.Open(dstFileName, flags: FileFlags.AutoCreateDirectory))
{
using (var reporter = new ProgressReporter(new ProgressReporterSetting(ProgressReporterOutputs.Console, toStr3: true), null))
{
FileUtil.CopyBetweenFileBaseAsync(file, disk, truncateSize: truncate, param: new CopyFileParams(asyncCopy: true, bufferSize: 16 * 1024 * 1024), reporter: reporter)._GetResult();
}
}
}
}
return(0);
}
public Win32LocalRawDiskVfsFile(LocalRawDiskFileSystem fileSystem, RawDiskItemData itemData) : base(fileSystem, itemData)
{
}
