/// <summary>
/// Fetch Asset <paramref name="assetID"/> from database
/// </summary>
/// <param name="assetID">Asset UUID to fetch</param>
/// <returns>Return the asset</returns>
/// <remarks>On failure : throw an exception and attempt to reconnect to database</remarks>
override protected AssetBase FetchStoredAsset(UUID assetID)
{
AssetBase asset = null;
lock (_dbConnection)
{
_dbConnection.CheckConnection();
MySqlCommand cmd =
new MySqlCommand(
"SELECT name, description, assetType, local, temporary, data FROM assets WHERE id=?id",
_dbConnection.Connection);
cmd.Parameters.AddWithValue("?id", assetID.ToString());
try
{
using (MySqlDataReader dbReader = cmd.ExecuteReader(CommandBehavior.SingleRow))
{
if (dbReader.Read())
{
asset = new AssetBase();
asset.Data = (byte[])dbReader["data"];
asset.Description = (string)dbReader["description"];
asset.FullID = assetID;
try
{
asset.Local = (bool)dbReader["local"];
}
catch (InvalidCastException)
{
asset.Local = false;
}
asset.Name = (string)dbReader["name"];
asset.Type = (sbyte)dbReader["assetType"];
}
dbReader.Close();
cmd.Dispose();
}
if (asset != null)
{
UpdateAccessTime(asset);
}
}
catch (Exception e)
{
m_log.ErrorFormat(
"[ASSETS DB]: MySql failure fetching asset {0}" + Environment.NewLine + e.ToString()
+ Environment.NewLine + "Reconnecting", assetID);
_dbConnection.Reconnect();
}
}
return(asset);
}
/// <summary>
/// Saves a log item to the database
/// </summary>
/// <param name="serverDaemon">The daemon triggering the event</param>
/// <param name="target">The target of the action (region / agent UUID, etc)</param>
/// <param name="methodCall">The method call where the problem occured</param>
/// <param name="arguments">The arguments passed to the method</param>
/// <param name="priority">How critical is this?</param>
/// <param name="logMessage">The message to log</param>
public void saveLog(string serverDaemon, string target, string methodCall, string arguments, int priority,
string logMessage)
{
try
{
database.insertLogRow(serverDaemon, target, methodCall, arguments, priority, logMessage);
}
catch
{
database.Reconnect();
}
}
/// <summary>
/// Returns a list of items in a specified folder
/// </summary>
/// <param name="folderID">The folder to search</param>
/// <returns>A list containing inventory items</returns>
public List <InventoryItemBase> getInventoryInFolder(UUID folderID)
{
try
{
lock (database)
{
List <InventoryItemBase> items = new List <InventoryItemBase>();
database.CheckConnection();
MySqlCommand result =
new MySqlCommand("SELECT * FROM inventoryitems WHERE parentFolderID = ?uuid",
database.Connection);
result.Parameters.AddWithValue("?uuid", folderID.ToString());
MySqlDataReader reader = result.ExecuteReader();
while (reader.Read())
{
// A null item (because something went wrong) breaks everything in the folder
InventoryItemBase item = readInventoryItem(reader);
if (item != null)
{
items.Add(item);
}
}
reader.Close();
result.Dispose();
return(items);
}
}
catch (Exception e)
{
database.Reconnect();
m_log.Error(e.ToString());
return(null);
}
}