361 lines
15 KiB
C#
361 lines
15 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 OpenSimulator 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.Data;
|
|
using System.Reflection;
|
|
using System.Collections.Generic;
|
|
using log4net;
|
|
using MySql.Data.MySqlClient;
|
|
using OpenMetaverse;
|
|
using OpenSim.Framework;
|
|
using OpenSim.Data;
|
|
|
|
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 string m_connectionString;
|
|
|
|
protected virtual Assembly Assembly
|
|
{
|
|
get { return GetType().Assembly; }
|
|
}
|
|
|
|
#region IPlugin Members
|
|
|
|
public override string Version { get { return "1.0.0.0"; } }
|
|
|
|
/// <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>
|
|
public override void Initialise(string connect)
|
|
{
|
|
m_connectionString = connect;
|
|
|
|
using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
|
|
{
|
|
dbcon.Open();
|
|
Migration m = new Migration(dbcon, Assembly, "AssetStore");
|
|
m.Update();
|
|
}
|
|
}
|
|
|
|
public override void Initialise()
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override void Dispose() { }
|
|
|
|
/// <summary>
|
|
/// The name of this DB provider
|
|
/// </summary>
|
|
override public string Name
|
|
{
|
|
get { return "MySQL Asset storage engine"; }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region IAssetDataPlugin 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 GetAsset(UUID assetID)
|
|
{
|
|
AssetBase asset = null;
|
|
|
|
using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
|
|
{
|
|
dbcon.Open();
|
|
|
|
using (MySqlCommand cmd = new MySqlCommand(
|
|
"SELECT name, description, assetType, local, temporary, asset_flags, CreatorID, data FROM assets WHERE id=?id",
|
|
dbcon))
|
|
{
|
|
cmd.Parameters.AddWithValue("?id", assetID.ToString());
|
|
|
|
try
|
|
{
|
|
using (MySqlDataReader dbReader = cmd.ExecuteReader(CommandBehavior.SingleRow))
|
|
{
|
|
if (dbReader.Read())
|
|
{
|
|
asset = new AssetBase(assetID, (string)dbReader["name"], (sbyte)dbReader["assetType"], dbReader["CreatorID"].ToString());
|
|
asset.Data = (byte[])dbReader["data"];
|
|
asset.Description = (string)dbReader["description"];
|
|
|
|
string local = dbReader["local"].ToString();
|
|
if (local.Equals("1") || local.Equals("true", StringComparison.InvariantCultureIgnoreCase))
|
|
asset.Local = true;
|
|
else
|
|
asset.Local = false;
|
|
|
|
asset.Temporary = Convert.ToBoolean(dbReader["temporary"]);
|
|
asset.Flags = (AssetFlags)Convert.ToInt32(dbReader["asset_flags"]);
|
|
}
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.Error(
|
|
string.Format("[ASSETS DB]: MySql failure fetching asset {0}. Exception ", assetID), e);
|
|
}
|
|
}
|
|
}
|
|
|
|
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 bool StoreAsset(AssetBase asset)
|
|
{
|
|
using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
|
|
{
|
|
dbcon.Open();
|
|
|
|
string assetName = asset.Name;
|
|
if (asset.Name.Length > AssetBase.MAX_ASSET_NAME)
|
|
{
|
|
assetName = asset.Name.Substring(0, AssetBase.MAX_ASSET_NAME);
|
|
m_log.WarnFormat(
|
|
"[ASSET DB]: Name '{0}' for asset {1} truncated from {2} to {3} characters on add",
|
|
asset.Name, asset.ID, asset.Name.Length, assetName.Length);
|
|
}
|
|
|
|
string assetDescription = asset.Description;
|
|
if (asset.Description.Length > AssetBase.MAX_ASSET_DESC)
|
|
{
|
|
assetDescription = asset.Description.Substring(0, AssetBase.MAX_ASSET_DESC);
|
|
m_log.WarnFormat(
|
|
"[ASSET DB]: Description '{0}' for asset {1} truncated from {2} to {3} characters on add",
|
|
asset.Description, asset.ID, asset.Description.Length, assetDescription.Length);
|
|
}
|
|
|
|
using (MySqlCommand cmd =
|
|
new MySqlCommand(
|
|
"replace INTO assets(id, name, description, assetType, local, temporary, create_time, access_time, asset_flags, CreatorID, data)" +
|
|
"VALUES(?id, ?name, ?description, ?assetType, ?local, ?temporary, ?create_time, ?access_time, ?asset_flags, ?CreatorID, ?data)",
|
|
dbcon))
|
|
{
|
|
try
|
|
{
|
|
// create unix epoch time
|
|
int now = (int)Utils.DateTimeToUnixTime(DateTime.UtcNow);
|
|
cmd.Parameters.AddWithValue("?id", asset.ID);
|
|
cmd.Parameters.AddWithValue("?name", assetName);
|
|
cmd.Parameters.AddWithValue("?description", assetDescription);
|
|
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("?CreatorID", asset.Metadata.CreatorID);
|
|
cmd.Parameters.AddWithValue("?asset_flags", (int)asset.Flags);
|
|
cmd.Parameters.AddWithValue("?data", asset.Data);
|
|
cmd.ExecuteNonQuery();
|
|
return true;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.ErrorFormat("[ASSET DB]: MySQL failure creating asset {0} with name \"{1}\". Error: {2}",
|
|
asset.FullID, asset.Name, e.Message);
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void UpdateAccessTime(AssetBase asset)
|
|
{
|
|
using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
|
|
{
|
|
dbcon.Open();
|
|
|
|
using (MySqlCommand cmd
|
|
= new MySqlCommand("update assets set access_time=?access_time where id=?id", dbcon))
|
|
{
|
|
try
|
|
{
|
|
// create unix epoch time
|
|
int now = (int)Utils.DateTimeToUnixTime(DateTime.UtcNow);
|
|
cmd.Parameters.AddWithValue("?id", asset.ID);
|
|
cmd.Parameters.AddWithValue("?access_time", now);
|
|
cmd.ExecuteNonQuery();
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.Error(
|
|
string.Format(
|
|
"[ASSETS DB]: Failure updating access_time for asset {0} with name {1}. Exception ",
|
|
asset.FullID, asset.Name),
|
|
e);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Check if the assets exist in the database.
|
|
/// </summary>
|
|
/// <param name="uuidss">The assets' IDs</param>
|
|
/// <returns>For each asset: true if it exists, false otherwise</returns>
|
|
public override bool[] AssetsExist(UUID[] uuids)
|
|
{
|
|
if (uuids.Length == 0)
|
|
return new bool[0];
|
|
|
|
HashSet<UUID> exist = new HashSet<UUID>();
|
|
|
|
string ids = "'" + string.Join("','", uuids) + "'";
|
|
string sql = string.Format("SELECT id FROM assets WHERE id IN ({0})", ids);
|
|
|
|
using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
|
|
{
|
|
dbcon.Open();
|
|
using (MySqlCommand cmd = new MySqlCommand(sql, dbcon))
|
|
{
|
|
using (MySqlDataReader dbReader = cmd.ExecuteReader())
|
|
{
|
|
while (dbReader.Read())
|
|
{
|
|
UUID id = DBGuid.FromDB(dbReader["id"]);
|
|
exist.Add(id);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool[] results = new bool[uuids.Length];
|
|
for (int i = 0; i < uuids.Length; i++)
|
|
results[i] = exist.Contains(uuids[i]);
|
|
|
|
return results;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a list of AssetMetadata objects. The list is a subset of
|
|
/// the entire data set offset by <paramref name="start" /> containing
|
|
/// <paramref name="count" /> elements.
|
|
/// </summary>
|
|
/// <param name="start">The number of results to discard from the total data set.</param>
|
|
/// <param name="count">The number of rows the returned list should contain.</param>
|
|
/// <returns>A list of AssetMetadata objects.</returns>
|
|
public override List<AssetMetadata> FetchAssetMetadataSet(int start, int count)
|
|
{
|
|
List<AssetMetadata> retList = new List<AssetMetadata>(count);
|
|
|
|
using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
|
|
{
|
|
dbcon.Open();
|
|
|
|
using (MySqlCommand cmd
|
|
= new MySqlCommand(
|
|
"SELECT name,description,assetType,temporary,id,asset_flags,CreatorID FROM assets LIMIT ?start, ?count",
|
|
dbcon))
|
|
{
|
|
cmd.Parameters.AddWithValue("?start", start);
|
|
cmd.Parameters.AddWithValue("?count", count);
|
|
|
|
try
|
|
{
|
|
using (MySqlDataReader dbReader = cmd.ExecuteReader())
|
|
{
|
|
while (dbReader.Read())
|
|
{
|
|
AssetMetadata metadata = new AssetMetadata();
|
|
metadata.Name = (string)dbReader["name"];
|
|
metadata.Description = (string)dbReader["description"];
|
|
metadata.Type = (sbyte)dbReader["assetType"];
|
|
metadata.Temporary = Convert.ToBoolean(dbReader["temporary"]); // Not sure if this is correct.
|
|
metadata.Flags = (AssetFlags)Convert.ToInt32(dbReader["asset_flags"]);
|
|
metadata.FullID = DBGuid.FromDB(dbReader["id"]);
|
|
metadata.CreatorID = dbReader["CreatorID"].ToString();
|
|
|
|
// Current SHA1s are not stored/computed.
|
|
metadata.SHA1 = new byte[] { };
|
|
|
|
retList.Add(metadata);
|
|
}
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.Error(
|
|
string.Format(
|
|
"[ASSETS DB]: MySql failure fetching asset set from {0}, count {1}. Exception ",
|
|
start, count),
|
|
e);
|
|
}
|
|
}
|
|
}
|
|
|
|
return retList;
|
|
}
|
|
|
|
public override bool Delete(string id)
|
|
{
|
|
using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
|
|
{
|
|
dbcon.Open();
|
|
|
|
using (MySqlCommand cmd = new MySqlCommand("delete from assets where id=?id", dbcon))
|
|
{
|
|
cmd.Parameters.AddWithValue("?id", id);
|
|
cmd.ExecuteNonQuery();
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|