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using System;
using System.Collections.Generic;
using MySql.Data.MySqlClient;
using libsecondlife;
using OpenSim.Framework.Console;
using OpenSim.Framework.Interfaces;
using OpenSim.Framework.Types;
namespace OpenSim.Framework.Data.MySQL
{
class MySQLAssetData : IAssetProvider
{
MySQLManager _dbConnection;
#region IAssetProvider Members
private void UpgradeAssetsTable(string oldVersion)
{
// null as the version, indicates that the table didn't exist
if (oldVersion == null)
{
MainLog.Instance.Notice("ASSETS", "Creating new database tables");
_dbConnection.ExecuteResourceSql("CreateAssetsTable.sql");
return;
}
}
/// <summary>
/// Ensure that the assets related tables exists and are at the latest version
/// </summary>
private void TestTables()
{
Dictionary<string, string> tableList = new Dictionary<string, string>();
tableList["assets"] = null;
_dbConnection.GetTableVersion(tableList);
UpgradeAssetsTable(tableList["assets"]);
}
public AssetBase FetchAsset(LLUUID assetID)
{
AssetBase asset = null;
MySqlCommand cmd = new MySqlCommand("SELECT name, description, assetType, invType, local, temporary, data FROM assets WHERE id=?id", _dbConnection.Connection);
MySqlParameter p = cmd.Parameters.Add("?id", MySqlDbType.Binary, 16);
p.Value = assetID.GetBytes();
using (MySqlDataReader dbReader = cmd.ExecuteReader(System.Data.CommandBehavior.SingleRow))
{
if (dbReader.Read())
{
asset = new AssetBase();
asset.Data = (byte[])dbReader["data"];
asset.Description = (string)dbReader["description"];
asset.FullID = assetID;
asset.InvType = (sbyte)dbReader["invType"];
asset.Local = ((sbyte)dbReader["local"]) != 0 ? true : false;
asset.Name = (string)dbReader["name"];
asset.Type = (sbyte)dbReader["assetType"];
}
}
return asset;
}
public void CreateAsset(AssetBase asset)
{
MySqlCommand cmd = new MySqlCommand("REPLACE INTO assets(id, name, description, assetType, invType, local, temporary, data)" +
"VALUES(?id, ?name, ?description, ?assetType, ?invType, ?local, ?temporary, ?data)", _dbConnection.Connection);
MySqlParameter p = cmd.Parameters.Add("?id", MySqlDbType.Binary, 16);
p.Value = asset.FullID.GetBytes();
cmd.Parameters.AddWithValue("?name", asset.Name);
cmd.Parameters.AddWithValue("?description", asset.Description);
cmd.Parameters.AddWithValue("?assetType", asset.Type);
cmd.Parameters.AddWithValue("?invType", asset.InvType);
cmd.Parameters.AddWithValue("?local", asset.Local);
cmd.Parameters.AddWithValue("?temporary", asset.Temporary);
cmd.Parameters.AddWithValue("?data", asset.Data);
cmd.ExecuteNonQuery();
}
public void UpdateAsset(AssetBase asset)
{
CreateAsset(asset);
}
public bool ExistsAsset(LLUUID uuid)
{
throw new Exception("The method or operation is not implemented.");
}
/// <summary>
/// All writes are immediately commited to the database, so this is a no-op
/// </summary>
public void CommitAssets()
{
}
#endregion
#region IPlugin Members
public void Initialise()
{
IniFile GridDataMySqlFile = new IniFile("mysql_connection.ini");
string hostname = GridDataMySqlFile.ParseFileReadValue("hostname");
string database = GridDataMySqlFile.ParseFileReadValue("database");
string username = GridDataMySqlFile.ParseFileReadValue("username");
string password = GridDataMySqlFile.ParseFileReadValue("password");
string pooling = GridDataMySqlFile.ParseFileReadValue("pooling");
string port = GridDataMySqlFile.ParseFileReadValue("port");
_dbConnection = new MySQLManager(hostname, database, username, password, pooling, port);
TestTables();
}
public string Version
{
get { return _dbConnection.getVersion(); }
}
public string Name
{
get { return "MySQL Asset storage engine"; }
}
#endregion
}
}
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