public Result Write(long offset, ReadOnlySpan <byte> source, WriteOption options)
{
if (IsDisposed)
{
return(ResultFs.PreconditionViolation.Log());
}
if (source.Length == 0)
{
if (options.HasFlag(WriteOption.Flush))
{
return(FlushImpl());
}
return(Result.Success);
}
if (offset < 0)
{
return(ResultFs.OutOfRange.Log());
}
if (long.MaxValue - offset < source.Length)
{
return(ResultFs.OutOfRange.Log());
}
return(WriteImpl(offset, source, options));
}
public override void Write(ReadOnlySpan <byte> source, long offset, WriteOption options)
{
ValidateWriteParams(source, offset);
int inPos = 0;
long outPos = offset;
int remaining = source.Length;
while (remaining > 0)
{
int fileIndex = GetSubFileIndexFromOffset(outPos);
IFile file = Sources[fileIndex];
long fileOffset = outPos - fileIndex * SubFileSize;
long fileEndOffset = Math.Min((fileIndex + 1) * SubFileSize, GetSize());
int bytesToWrite = (int)Math.Min(fileEndOffset - outPos, remaining);
file.Write(source.Slice(inPos, bytesToWrite), fileOffset, options);
outPos += bytesToWrite;
inPos += bytesToWrite;
remaining -= bytesToWrite;
}
if ((options & WriteOption.Flush) != 0)
{
Flush();
}
}
public override void Write(ReadOnlySpan <byte> source, long offset, WriteOption options)
{
#if STREAM_SPAN
lock (Locker)
{
BaseStream.Position = offset;
BaseStream.Write(source);
}
#else
byte[] buffer = ArrayPool <byte> .Shared.Rent(source.Length);
try
{
source.CopyTo(buffer);
lock (Locker)
{
BaseStream.Position = offset;
BaseStream.Write(buffer, 0, source.Length);
}
}
finally { ArrayPool <byte> .Shared.Return(buffer); }
#endif
if ((options & WriteOption.Flush) != 0)
{
Flush();
}
}
public override void Write(ReadOnlySpan <byte> source, long offset, WriteOption options)
{
ValidateWriteParams(source, offset);
BaseStorage.Write(source, offset);
if ((options & WriteOption.Flush) != 0)
{
Flush();
}
}
public override void Write(ReadOnlySpan <byte> source, long offset, WriteOption options) => ThrowHelper.ThrowResult(ResultFs.UnsupportedOperationModifyReadOnlyFile);
public override void Write(ReadOnlySpan <byte> source, long offset, WriteOption options)
{
ValidateWriteParams(source, offset);
File.Write(source, offset, options);
}
public Result WriteFile(FileHandle handle, long offset, ReadOnlySpan <byte> source, WriteOption option)
{
Result rc;
if (IsEnabledAccessLog() && IsEnabledHandleAccessLog(handle))
{
TimeSpan startTime = Time.GetCurrent();
rc = handle.File.Write(offset, source, option);
TimeSpan endTime = Time.GetCurrent();
string optionString = (option & WriteOption.Flush) == 0 ? "" : $", write_option: {option}";
OutputAccessLog(rc, startTime, endTime, handle, $", offset: {offset}, size: {source.Length}{optionString}");
}
else
{
rc = handle.File.Write(offset, source, option);
}
return(rc);
}
public void WriteFile(FileHandle handle, ReadOnlySpan <byte> source, long offset, WriteOption option)
{
if (IsEnabledAccessLog() && IsEnabledHandleAccessLog(handle))
{
TimeSpan startTime = Time.GetCurrent();
handle.File.Write(source, offset, option);
TimeSpan endTime = Time.GetCurrent();
string optionString = (option & WriteOption.Flush) == 0 ? "" : $", write_option: {option}";
OutputAccessLog(startTime, endTime, handle, $", offset: {offset}, size: {source.Length}{optionString}");
}
else
{
handle.File.Write(source, offset, option);
}
}
public abstract void Write(ReadOnlySpan <byte> source, long offset, WriteOption options);
public override void Write(ReadOnlySpan <byte> source, long offset, WriteOption options)
{
throw new NotImplementedException();
}
protected override Result WriteImpl(long offset, ReadOnlySpan <byte> source, WriteOption options)
{
if (!Mode.HasFlag(OpenMode.Write))
{
return(ResultFs.InvalidOpenModeForWrite.Log());
}
return(BaseStream.Write(offset, source, Mode.HasFlag(OpenMode.AllowAppend)));
}
protected abstract Result WriteImpl(long offset, ReadOnlySpan <byte> source, WriteOption options);
public override void Write(ReadOnlySpan <byte> source, long offset, WriteOption options) => throw new NotSupportedException();
public override void Write(ReadOnlySpan <byte> source, long offset, WriteOption options)
{
BaseFile.Write(source, offset, options);
}