629b0d9f28
as the code to update these at the appropriate time. This isn't surfaced in AssetBase yet. Change the replace into to an insert into for asset create. Assets are not supposed to be updatable, and the replace into is more expensive. From: Sean Dague <sdague@gmail.com>
331 lines
13 KiB
C#
331 lines
13 KiB
C#
/*
|
|
* Copyright (c) Contributors, http://opensimulator.org/
|
|
* See CONTRIBUTORS.TXT for a full list of copyright holders.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* * Neither the name of the OpenSim Project nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Data;
|
|
using System.Reflection;
|
|
using OpenMetaverse;
|
|
using log4net;
|
|
using MySql.Data.MySqlClient;
|
|
using OpenSim.Framework;
|
|
|
|
|
|
namespace OpenSim.Data.MySQL
|
|
{
|
|
/// <summary>
|
|
/// A MySQL Interface for the Asset Server
|
|
/// </summary>
|
|
public class MySQLAssetData : AssetDataBase
|
|
{
|
|
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
|
|
|
|
private MySQLManager _dbConnection;
|
|
private long TicksToEpoch;
|
|
|
|
#region IPlugin Members
|
|
|
|
/// <summary>
|
|
/// <para>Initialises Asset interface</para>
|
|
/// <para>
|
|
/// <list type="bullet">
|
|
/// <item>Loads and initialises the MySQL storage plugin.</item>
|
|
/// <item>Warns and uses the obsolete mysql_connection.ini if connect string is empty.</item>
|
|
/// <item>Check for migration</item>
|
|
/// </list>
|
|
/// </para>
|
|
/// </summary>
|
|
/// <param name="connect">connect string</param>
|
|
override public void Initialise(string connect)
|
|
{
|
|
TicksToEpoch = new System.DateTime(1970,1,1).Ticks;
|
|
|
|
// TODO: This will let you pass in the connect string in
|
|
// the config, though someone will need to write that.
|
|
if (connect == String.Empty)
|
|
{
|
|
// This is old seperate config file
|
|
m_log.Warn("no connect string, using old mysql_connection.ini instead");
|
|
Initialise();
|
|
}
|
|
else
|
|
{
|
|
_dbConnection = new MySQLManager(connect);
|
|
}
|
|
|
|
// This actually does the roll forward assembly stuff
|
|
Assembly assem = GetType().Assembly;
|
|
Migration m = new Migration(_dbConnection.Connection, assem, "AssetStore");
|
|
|
|
m.Update();
|
|
}
|
|
|
|
/// <summary>
|
|
/// <para>Initialises Asset interface</para>
|
|
/// <para>
|
|
/// <list type="bullet">
|
|
/// <item>Loads and initialises the MySQL storage plugin</item>
|
|
/// <item>uses the obsolete mysql_connection.ini</item>
|
|
/// </list>
|
|
/// </para>
|
|
/// </summary>
|
|
/// <param name="connect">connect string</param>
|
|
/// <remarks>Probably DEPRECATED and shouldn't be used</remarks>
|
|
override 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);
|
|
|
|
}
|
|
|
|
override public void Dispose() { }
|
|
|
|
#region IAssetProviderPlugin Members
|
|
|
|
/// <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 public AssetBase FetchAsset(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;
|
|
asset.Local = ((sbyte) dbReader["local"]) != 0 ? true : 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>
|
|
/// Create an asset in database, or update it if existing.
|
|
/// </summary>
|
|
/// <param name="asset">Asset UUID to create</param>
|
|
/// <remarks>On failure : Throw an exception and attempt to reconnect to database</remarks>
|
|
override public void CreateAsset(AssetBase asset)
|
|
{
|
|
lock (_dbConnection)
|
|
{
|
|
//m_log.Info("[ASSET DB]: Creating Asset " + Util.ToRawUuidString(asset.FullID));
|
|
if (ExistsAsset(asset.FullID))
|
|
{
|
|
//m_log.Info("[ASSET DB]: Asset exists already, ignoring.");
|
|
return;
|
|
}
|
|
|
|
_dbConnection.CheckConnection();
|
|
|
|
MySqlCommand cmd =
|
|
new MySqlCommand(
|
|
"insert INTO assets(id, name, description, assetType, local, temporary, create_time, access_time, data)" +
|
|
"VALUES(?id, ?name, ?description, ?assetType, ?local, ?temporary, ?create_time, ?access_time, ?data)",
|
|
_dbConnection.Connection);
|
|
|
|
// need to ensure we dispose
|
|
try
|
|
{
|
|
using (cmd)
|
|
{
|
|
// create unix epoch time
|
|
int now = (int)((System.DateTime.Now.Ticks - TicksToEpoch) / 10000000);
|
|
cmd.Parameters.AddWithValue("?id", asset.FullID.ToString());
|
|
cmd.Parameters.AddWithValue("?name", asset.Name);
|
|
cmd.Parameters.AddWithValue("?description", asset.Description);
|
|
cmd.Parameters.AddWithValue("?assetType", asset.Type);
|
|
cmd.Parameters.AddWithValue("?local", asset.Local);
|
|
cmd.Parameters.AddWithValue("?temporary", asset.Temporary);
|
|
cmd.Parameters.AddWithValue("?create_time", now);
|
|
cmd.Parameters.AddWithValue("?access_time", now);
|
|
cmd.Parameters.AddWithValue("?data", asset.Data);
|
|
cmd.ExecuteNonQuery();
|
|
cmd.Dispose();
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.ErrorFormat(
|
|
"[ASSETS DB]: " +
|
|
"MySql failure creating asset {0} with name {1}" + Environment.NewLine + e.ToString()
|
|
+ Environment.NewLine + "Attempting reconnection", asset.FullID, asset.Name);
|
|
_dbConnection.Reconnect();
|
|
}
|
|
}
|
|
}
|
|
|
|
private void UpdateAccessTime(AssetBase asset)
|
|
{
|
|
lock (_dbConnection)
|
|
{
|
|
_dbConnection.CheckConnection();
|
|
|
|
MySqlCommand cmd =
|
|
new MySqlCommand("update assets set access_time=?access_time where id=?id",
|
|
_dbConnection.Connection);
|
|
|
|
// need to ensure we dispose
|
|
try
|
|
{
|
|
using (cmd)
|
|
{
|
|
// create unix epoch time
|
|
int now = (int)((System.DateTime.Now.Ticks - TicksToEpoch) / 10000000);
|
|
cmd.Parameters.AddWithValue("?id", asset.FullID.ToString());
|
|
cmd.Parameters.AddWithValue("?access_time", now);
|
|
cmd.ExecuteNonQuery();
|
|
cmd.Dispose();
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.ErrorFormat(
|
|
"[ASSETS DB]: " +
|
|
"MySql failure updating access_time for asset {0} with name {1}" + Environment.NewLine + e.ToString()
|
|
+ Environment.NewLine + "Attempting reconnection", asset.FullID, asset.Name);
|
|
_dbConnection.Reconnect();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/// <summary>
|
|
/// Update a asset in database, see <see cref="CreateAsset"/>
|
|
/// </summary>
|
|
/// <param name="asset">Asset UUID to update</param>
|
|
override public void UpdateAsset(AssetBase asset)
|
|
{
|
|
CreateAsset(asset);
|
|
}
|
|
|
|
/// <summary>
|
|
/// check if the asset UUID exist in database
|
|
/// </summary>
|
|
/// <param name="uuid">The asset UUID</param>
|
|
/// <returns>true if exist.</returns>
|
|
override public bool ExistsAsset(UUID uuid)
|
|
{
|
|
bool assetExists = false;
|
|
|
|
lock (_dbConnection)
|
|
{
|
|
_dbConnection.CheckConnection();
|
|
|
|
MySqlCommand cmd =
|
|
new MySqlCommand(
|
|
"SELECT id FROM assets WHERE id=?id",
|
|
_dbConnection.Connection);
|
|
|
|
cmd.Parameters.AddWithValue("?id", uuid.ToString());
|
|
|
|
try
|
|
{
|
|
using (MySqlDataReader dbReader = cmd.ExecuteReader(CommandBehavior.SingleRow))
|
|
{
|
|
if (dbReader.Read())
|
|
{
|
|
assetExists = true;
|
|
}
|
|
|
|
dbReader.Close();
|
|
cmd.Dispose();
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.ErrorFormat(
|
|
"[ASSETS DB]: MySql failure fetching asset {0}" + Environment.NewLine + e.ToString()
|
|
+ Environment.NewLine + "Attempting reconnection", uuid);
|
|
_dbConnection.Reconnect();
|
|
}
|
|
}
|
|
|
|
return assetExists;
|
|
}
|
|
|
|
#endregion
|
|
|
|
/// <summary>
|
|
/// Database provider version
|
|
/// </summary>
|
|
override public string Version
|
|
{
|
|
get { return _dbConnection.getVersion(); }
|
|
}
|
|
|
|
/// <summary>
|
|
/// The name of this DB provider
|
|
/// </summary>
|
|
override public string Name
|
|
{
|
|
get { return "MySQL Asset storage engine"; }
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|