internal static bool Read(string filename, ReadHandler handler, VoidDelegate onFail = null)
{
if (!File.Exists(filename))
{
return(false);
}
try
{
using (Stream stream = File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.Read))
using (SerializationReader reader = new SerializationReader(stream))
{
handler(reader);
return(true);
}
}
catch (Exception e)
{
onFail?.Invoke();
try
{
GeneralHelper.CreateBackup(filename);
}
catch { }
ErrorSubmission.Submit(new OsuError(e)
{
Feedback = "database-corrupt"
});
return(false);
}
}
internal static bool Write(string filename, WriteHandler handler)
{
try
{
using (SafeWriteStream stream = new SafeWriteStream(filename))
using (SerializationWriter writer = new SerializationWriter(stream))
{
try
{
handler(writer);
return(true);
}
catch
{
stream.Abort();
throw;
}
}
}
catch (Exception e)
{
ErrorSubmission.Submit(new OsuError(e)
{
Feedback = "database-entry"
});
return(false);
}
}
/// <summary>
/// Saves user settings and database data to disk.
/// </summary>
internal bool Save()
{
try
{
ConfigManager.SaveConfig();
BeatmapManager.DatabaseSerialize();
PresenceCache.DatabaseSerialize();
CollectionManager.SaveToDisk();
ScoreManager.SaveToDisk();
return(true);
}
catch (Exception e)
{
ErrorSubmission.Submit(new OsuError(e)
{
Feedback = "background-save"
});
return(false);
}
finally
{
lastSave = GameBase.Time;
modeChangeCount = 0;
}
}