public async Task SaveIndexFile(IndexFile index, bool alreadySemaphoreLocked = false)
{
var index1Path = Path.Combine(_gameDirectory.FullName, $"{index.DataFile.GetDataFileName()}{IndexExtension}");
var index2Path = Path.Combine(_gameDirectory.FullName, $"{index.DataFile.GetDataFileName()}{Index2Extension}");
if (!alreadySemaphoreLocked)
{
await _semaphoreSlim.WaitAsync();
}
try
{
if (IsIndexLocked(index.DataFile))
{
throw new Exception("Cannot write index files; files current in use.");
}
BinaryWriter index1Stream = null;
BinaryWriter index2Stream = null;
try
{
try
{
index1Stream = new BinaryWriter(File.OpenWrite(index1Path));
index2Stream = new BinaryWriter(File.OpenWrite(index2Path));
}
catch
{
index1Stream?.Dispose();
index2Stream?.Dispose();
// Set a minor delay and try again, in case the user has some sort of locking issue.
await Task.Delay(200);
index1Stream = new BinaryWriter(File.OpenWrite(index1Path));
index2Stream = new BinaryWriter(File.OpenWrite(index2Path));
}
index.Save(index1Stream, index2Stream);
}
finally
{
index1Stream?.Dispose();
index2Stream?.Dispose();
}
var _dat = new Dat(XivCache.GameInfo.GameDirectory);
var largestDatNum = _dat.GetLargestDatNumber(index.DataFile);
UpdateIndexDatCount(index.DataFile, largestDatNum, true);
}
finally
{
if (!alreadySemaphoreLocked)
{
_semaphoreSlim.Release();
}
}
}