protected void SaveItems(SaveMetrics metrics)
{
Dictionary <Serial, Item> items = World.Items;
GenericWriter idx;
GenericWriter tdb;
GenericWriter bin;
if (UseSequentialWriters)
{
idx = new BinaryFileWriter(World.ItemIndexPath, false);
tdb = new BinaryFileWriter(World.ItemTypesPath, false);
bin = new BinaryFileWriter(World.ItemDataPath, true);
}
else
{
idx = new AsyncWriter(World.ItemIndexPath, false);
tdb = new AsyncWriter(World.ItemTypesPath, false);
bin = new AsyncWriter(World.ItemDataPath, true);
}
idx.Write((int)items.Count);
DateTime n = DateTime.UtcNow;
foreach (Item item in items.Values)
{
if (item.Decays && item.Parent == null && item.Map != Map.Internal && (item.LastMoved + item.DecayTime) <= n)
{
_decayQueue.Enqueue(item);
}
long start = bin.Position;
idx.Write((int)item._TypeRef);
idx.Write((int)item.Serial);
idx.Write((long)start);
item.Serialize(bin);
if (metrics != null)
{
metrics.OnItemSaved((int)(bin.Position - start));
}
idx.Write((int)(bin.Position - start));
item.FreeCache();
}
tdb.Write((int)World._ItemTypes.Count);
for (int i = 0; i < World._ItemTypes.Count; ++i)
{
tdb.Write(World._ItemTypes[i].FullName);
}
idx.Close();
tdb.Close();
bin.Close();
}
private Task SaveItems()
{
//Start the blocking consumer; this runs in background.
Task commitTask = StartCommitTask(_itemThreadWriters, _itemData, _itemIndex);
IEnumerable <Item> items = World.Items.Values;
//Start the producer.
Parallel.ForEach(items, () => new QueuedMemoryWriter(),
(Item item, ParallelLoopState state, QueuedMemoryWriter writer) =>
{
long startPosition = writer.Position;
item.Serialize(writer);
int size = (int)(writer.Position - startPosition);
writer.QueueForIndex(item, size);
if (item.Decays && item.Parent == null && item.Map != Map.Internal && DateTime.UtcNow > (item.LastMoved + item.DecayTime))
{
_decayBag.Add(item);
}
if (_metrics != null)
{
_metrics.OnItemSaved(size);
}
return(writer);
},
(writer) =>
{
writer.Flush();
_itemThreadWriters.Add(writer);
});
_itemThreadWriters.CompleteAdding(); //We only get here after the Parallel.ForEach completes. Lets our task
return(commitTask);
}