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Properly lock new separate database accesses

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This commit is contained in:
Justin Clarke Casey
2008-01-21 15:12:00 +00:00
parent 504ae63669
commit 7ca8e28a9a
2 changed files with 118 additions and 112 deletions
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109
OpenSim/Framework/Data.SQLite/SQLiteRegionData.cs
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@@ -1258,63 +1258,66 @@ namespace OpenSim.Framework.Data.SQLite
MainLog.Instance.Verbose("DATASTORE", "Entered StorePrimInventory with prim ID {0}", primID);
// Find all existing inventory rows for this prim
DataTable dbItems = ds.Tables["primitems"];
String sql = String.Format("primID = '{0}'", primID);
DataRow[] dbItemRows = dbItems.Select(sql);
// Build structures for manipulation purposes
IDictionary<String, DataRow> dbItemsToRemove = new Dictionary<String, DataRow>();
ICollection<TaskInventoryItem> itemsToAdd
= new List<TaskInventoryItem>();
foreach (DataRow row in dbItemRows)
lock (ds)
{
dbItemsToRemove.Add((String)row["itemID"], row);
}
// Eliminate rows from the deletion set which already exist for this prim's inventory
// TODO Very temporary, need to take account of simple metadata changes soon
lock (items)
{
foreach (LLUUID itemId in items.Keys)
// Find all existing inventory rows for this prim
DataTable dbItems = ds.Tables["primitems"];
String sql = String.Format("primID = '{0}'", primID);
DataRow[] dbItemRows = dbItems.Select(sql);
// Build structures for manipulation purposes
IDictionary<String, DataRow> dbItemsToRemove = new Dictionary<String, DataRow>();
ICollection<TaskInventoryItem> itemsToAdd
= new List<TaskInventoryItem>();
foreach (DataRow row in dbItemRows)
{
String rawItemId = itemId.ToString();
dbItemsToRemove.Add((String)row["itemID"], row);
}
// Eliminate rows from the deletion set which already exist for this prim's inventory
// TODO Very temporary, need to take account of simple metadata changes soon
lock (items)
{
foreach (LLUUID itemId in items.Keys)
{
String rawItemId = itemId.ToString();
if (dbItemsToRemove.ContainsKey(rawItemId))
{
dbItemsToRemove.Remove(rawItemId);
}
else
{
itemsToAdd.Add(items[itemId]);
}
}
}
// Delete excess rows
foreach (DataRow row in dbItemsToRemove.Values)
{
MainLog.Instance.Verbose(
"DATASTORE",
"Removing item {0}, {1} from prim ID {2}",
row["name"], row["itemID"], row["primID"]);
if (dbItemsToRemove.ContainsKey(rawItemId))
{
dbItemsToRemove.Remove(rawItemId);
}
else
{
itemsToAdd.Add(items[itemId]);
}
}
}
// Delete excess rows
foreach (DataRow row in dbItemsToRemove.Values)
{
MainLog.Instance.Verbose(
"DATASTORE",
"Removing item {0}, {1} from prim ID {2}",
row["name"], row["itemID"], row["primID"]);
row.Delete();
}
row.Delete();
}
// Insert items not already present
foreach (TaskInventoryItem newItem in itemsToAdd)
{
MainLog.Instance.Verbose(
"DATASTORE",
"Adding item {0}, {1} to prim ID {2}",
newItem.Name, newItem.ItemID, newItem.ParentPartID);
DataRow newItemRow = dbItems.NewRow();
fillItemRow(newItemRow, newItem);
dbItems.Rows.Add(newItemRow);
// Insert items not already present
foreach (TaskInventoryItem newItem in itemsToAdd)
{
MainLog.Instance.Verbose(
"DATASTORE",
"Adding item {0}, {1} to prim ID {2}",
newItem.Name, newItem.ItemID, newItem.ParentPartID);
DataRow newItemRow = dbItems.NewRow();
fillItemRow(newItemRow, newItem);
dbItems.Rows.Add(newItemRow);
}
}
}