public bool Migrate(string path)
{
Logger.Log($@"Migrating osu! data from ""{Storage.GetFullPath(string.Empty)}"" to ""{path}""...");
IDisposable realmBlocker = null;
try
{
ManualResetEventSlim readyToRun = new ManualResetEventSlim();
Scheduler.Add(() =>
{
realmBlocker = realm.BlockAllOperations();
readyToRun.Set();
}, false);
readyToRun.Wait();
bool?cleanupSucceded = (Storage as OsuStorage)?.Migrate(Host.GetStorage(path));
Logger.Log(@"Migration complete!");
return(cleanupSucceded != false);
}
finally
{
realmBlocker?.Dispose();
}
}
private void load(GameHost host, RealmAccess realm)
{
SettingsButton blockAction;
SettingsButton unblockAction;
Children = new Drawable[]
{
new SettingsButton
{
Text = DebugSettingsStrings.ClearAllCaches,
Action = host.Collect
},
new SettingsButton
{
Text = DebugSettingsStrings.CompactRealm,
Action = () =>
{
// Blocking operations implicitly causes a Compact().
using (realm.BlockAllOperations())
{
}
}
},
blockAction = new SettingsButton
{
Text = "Block realm",
},
unblockAction = new SettingsButton
{
Text = "Unblock realm",
},
};
blockAction.Action = () =>
{
try
{
var token = realm.BlockAllOperations();
blockAction.Enabled.Value = false;
// As a safety measure, unblock after 10 seconds.
// This is to handle the case where a dev may block, but then something on the update thread
// accesses realm and blocks for eternity.
Task.Factory.StartNew(() =>
{
Thread.Sleep(10000);
unblock();
});
unblockAction.Action = unblock;
void unblock()
{
if (token == null)
{
return;
}
token?.Dispose();
token = null;
Scheduler.Add(() =>
{
blockAction.Enabled.Value = true;
unblockAction.Action = null;
});
}
}
catch (Exception e)
{
Logger.Error(e, "Blocking realm failed");
}
};
}
