Remove database connection locking in MySQLXAssetData. This is unnecessary as connections aren't shared and transactions are already in place where necessary.
Justin Clark-Casey (justincc)
Justin Clark-Casey
parent
3d49be21bc
commit
a068c1dd9d
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@ -57,7 +57,6 @@ namespace OpenSim.Data.MySQL
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private bool m_enableCompression = false;
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private string m_connectionString;
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private object m_dbLock = new object();
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/// <summary>
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/// We can reuse this for all hashing since all methods are single-threaded through m_dbBLock
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@ -131,60 +130,58 @@ namespace OpenSim.Data.MySQL
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// m_log.DebugFormat("[MYSQL XASSET DATA]: Looking for asset {0}", assetID);
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AssetBase asset = null;
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lock (m_dbLock)
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using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
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{
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using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
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dbcon.Open();
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using (MySqlCommand cmd = new MySqlCommand(
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"SELECT Name, Description, AccessTime, AssetType, Local, Temporary, AssetFlags, CreatorID, Data FROM XAssetsMeta JOIN XAssetsData ON XAssetsMeta.Hash = XAssetsData.Hash WHERE ID=?ID",
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dbcon))
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{
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dbcon.Open();
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cmd.Parameters.AddWithValue("?ID", assetID.ToString());
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using (MySqlCommand cmd = new MySqlCommand(
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"SELECT Name, Description, AccessTime, AssetType, Local, Temporary, AssetFlags, CreatorID, Data FROM XAssetsMeta JOIN XAssetsData ON XAssetsMeta.Hash = XAssetsData.Hash WHERE ID=?ID",
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dbcon))
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try
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{
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cmd.Parameters.AddWithValue("?ID", assetID.ToString());
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try
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using (MySqlDataReader dbReader = cmd.ExecuteReader(CommandBehavior.SingleRow))
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{
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using (MySqlDataReader dbReader = cmd.ExecuteReader(CommandBehavior.SingleRow))
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if (dbReader.Read())
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{
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if (dbReader.Read())
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asset = new AssetBase(assetID, (string)dbReader["Name"], (sbyte)dbReader["AssetType"], dbReader["CreatorID"].ToString());
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asset.Data = (byte[])dbReader["Data"];
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asset.Description = (string)dbReader["Description"];
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string local = dbReader["Local"].ToString();
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if (local.Equals("1") || local.Equals("true", StringComparison.InvariantCultureIgnoreCase))
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asset.Local = true;
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else
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asset.Local = false;
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asset.Temporary = Convert.ToBoolean(dbReader["Temporary"]);
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asset.Flags = (AssetFlags)Convert.ToInt32(dbReader["AssetFlags"]);
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if (m_enableCompression)
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{
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asset = new AssetBase(assetID, (string)dbReader["Name"], (sbyte)dbReader["AssetType"], dbReader["CreatorID"].ToString());
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asset.Data = (byte[])dbReader["Data"];
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asset.Description = (string)dbReader["Description"];
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string local = dbReader["Local"].ToString();
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if (local.Equals("1") || local.Equals("true", StringComparison.InvariantCultureIgnoreCase))
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asset.Local = true;
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else
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asset.Local = false;
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asset.Temporary = Convert.ToBoolean(dbReader["Temporary"]);
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asset.Flags = (AssetFlags)Convert.ToInt32(dbReader["AssetFlags"]);
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if (m_enableCompression)
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using (GZipStream decompressionStream = new GZipStream(new MemoryStream(asset.Data), CompressionMode.Decompress))
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{
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using (GZipStream decompressionStream = new GZipStream(new MemoryStream(asset.Data), CompressionMode.Decompress))
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{
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MemoryStream outputStream = new MemoryStream();
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WebUtil.CopyStream(decompressionStream, outputStream, int.MaxValue);
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// int compressedLength = asset.Data.Length;
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asset.Data = outputStream.ToArray();
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MemoryStream outputStream = new MemoryStream();
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WebUtil.CopyStream(decompressionStream, outputStream, int.MaxValue);
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// int compressedLength = asset.Data.Length;
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asset.Data = outputStream.ToArray();
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// m_log.DebugFormat(
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// "[XASSET DB]: Decompressed {0} {1} to {2} bytes from {3}",
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// asset.ID, asset.Name, asset.Data.Length, compressedLength);
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}
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// m_log.DebugFormat(
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// "[XASSET DB]: Decompressed {0} {1} to {2} bytes from {3}",
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// asset.ID, asset.Name, asset.Data.Length, compressedLength);
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}
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UpdateAccessTime(asset.Metadata, (int)dbReader["AccessTime"]);
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}
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UpdateAccessTime(asset.Metadata, (int)dbReader["AccessTime"]);
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}
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}
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catch (Exception e)
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{
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m_log.Error(string.Format("[MYSQL XASSET DATA]: Failure fetching asset {0}", assetID), e);
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}
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}
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catch (Exception e)
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{
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m_log.Error(string.Format("[MYSQL XASSET DATA]: Failure fetching asset {0}", assetID), e);
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}
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}
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}
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@ -201,113 +198,110 @@ namespace OpenSim.Data.MySQL
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{
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// m_log.DebugFormat("[XASSETS DB]: Storing asset {0} {1}", asset.Name, asset.ID);
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lock (m_dbLock)
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using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
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{
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using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
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dbcon.Open();
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using (MySqlTransaction transaction = dbcon.BeginTransaction())
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{
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dbcon.Open();
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using (MySqlTransaction transaction = dbcon.BeginTransaction())
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string assetName = asset.Name;
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if (asset.Name.Length > AssetBase.MAX_ASSET_NAME)
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{
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string assetName = asset.Name;
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if (asset.Name.Length > AssetBase.MAX_ASSET_NAME)
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assetName = asset.Name.Substring(0, AssetBase.MAX_ASSET_NAME);
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m_log.WarnFormat(
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"[XASSET DB]: Name '{0}' for asset {1} truncated from {2} to {3} characters on add",
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asset.Name, asset.ID, asset.Name.Length, assetName.Length);
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}
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string assetDescription = asset.Description;
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if (asset.Description.Length > AssetBase.MAX_ASSET_DESC)
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{
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assetDescription = asset.Description.Substring(0, AssetBase.MAX_ASSET_DESC);
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m_log.WarnFormat(
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"[XASSET DB]: Description '{0}' for asset {1} truncated from {2} to {3} characters on add",
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asset.Description, asset.ID, asset.Description.Length, assetDescription.Length);
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}
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if (m_enableCompression)
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{
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MemoryStream outputStream = new MemoryStream();
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using (GZipStream compressionStream = new GZipStream(outputStream, CompressionMode.Compress, false))
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{
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assetName = asset.Name.Substring(0, AssetBase.MAX_ASSET_NAME);
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m_log.WarnFormat(
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"[XASSET DB]: Name '{0}' for asset {1} truncated from {2} to {3} characters on add",
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asset.Name, asset.ID, asset.Name.Length, assetName.Length);
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// Console.WriteLine(WebUtil.CopyTo(new MemoryStream(asset.Data), compressionStream, int.MaxValue));
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// We have to close the compression stream in order to make sure it writes everything out to the underlying memory output stream.
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compressionStream.Close();
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byte[] compressedData = outputStream.ToArray();
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asset.Data = compressedData;
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}
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}
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string assetDescription = asset.Description;
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if (asset.Description.Length > AssetBase.MAX_ASSET_DESC)
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{
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assetDescription = asset.Description.Substring(0, AssetBase.MAX_ASSET_DESC);
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m_log.WarnFormat(
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"[XASSET DB]: Description '{0}' for asset {1} truncated from {2} to {3} characters on add",
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asset.Description, asset.ID, asset.Description.Length, assetDescription.Length);
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}
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if (m_enableCompression)
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{
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MemoryStream outputStream = new MemoryStream();
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using (GZipStream compressionStream = new GZipStream(outputStream, CompressionMode.Compress, false))
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{
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// Console.WriteLine(WebUtil.CopyTo(new MemoryStream(asset.Data), compressionStream, int.MaxValue));
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// We have to close the compression stream in order to make sure it writes everything out to the underlying memory output stream.
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compressionStream.Close();
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byte[] compressedData = outputStream.ToArray();
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asset.Data = compressedData;
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}
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}
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byte[] hash = hasher.ComputeHash(asset.Data);
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byte[] hash = hasher.ComputeHash(asset.Data);
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// m_log.DebugFormat(
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// "[XASSET DB]: Compressed data size for {0} {1}, hash {2} is {3}",
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// asset.ID, asset.Name, hash, compressedData.Length);
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try
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{
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using (MySqlCommand cmd =
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new MySqlCommand(
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"replace INTO XAssetsMeta(ID, Hash, Name, Description, AssetType, Local, Temporary, CreateTime, AccessTime, AssetFlags, CreatorID)" +
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"VALUES(?ID, ?Hash, ?Name, ?Description, ?AssetType, ?Local, ?Temporary, ?CreateTime, ?AccessTime, ?AssetFlags, ?CreatorID)",
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dbcon))
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{
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// create unix epoch time
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int now = (int)Utils.DateTimeToUnixTime(DateTime.UtcNow);
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cmd.Parameters.AddWithValue("?ID", asset.ID);
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cmd.Parameters.AddWithValue("?Hash", hash);
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cmd.Parameters.AddWithValue("?Name", assetName);
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cmd.Parameters.AddWithValue("?Description", assetDescription);
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cmd.Parameters.AddWithValue("?AssetType", asset.Type);
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cmd.Parameters.AddWithValue("?Local", asset.Local);
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cmd.Parameters.AddWithValue("?Temporary", asset.Temporary);
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cmd.Parameters.AddWithValue("?CreateTime", now);
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cmd.Parameters.AddWithValue("?AccessTime", now);
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cmd.Parameters.AddWithValue("?CreatorID", asset.Metadata.CreatorID);
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cmd.Parameters.AddWithValue("?AssetFlags", (int)asset.Flags);
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cmd.ExecuteNonQuery();
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}
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}
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catch (Exception e)
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{
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m_log.ErrorFormat("[ASSET DB]: MySQL failure creating asset metadata {0} with name \"{1}\". Error: {2}",
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asset.FullID, asset.Name, e.Message);
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transaction.Rollback();
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return;
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}
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if (!ExistsData(dbcon, transaction, hash))
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{
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try
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{
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using (MySqlCommand cmd =
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new MySqlCommand(
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"replace INTO XAssetsMeta(ID, Hash, Name, Description, AssetType, Local, Temporary, CreateTime, AccessTime, AssetFlags, CreatorID)" +
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"VALUES(?ID, ?Hash, ?Name, ?Description, ?AssetType, ?Local, ?Temporary, ?CreateTime, ?AccessTime, ?AssetFlags, ?CreatorID)",
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"INSERT INTO XAssetsData(Hash, Data) VALUES(?Hash, ?Data)",
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dbcon))
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{
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// create unix epoch time
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int now = (int)Utils.DateTimeToUnixTime(DateTime.UtcNow);
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cmd.Parameters.AddWithValue("?ID", asset.ID);
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cmd.Parameters.AddWithValue("?Hash", hash);
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cmd.Parameters.AddWithValue("?Name", assetName);
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cmd.Parameters.AddWithValue("?Description", assetDescription);
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cmd.Parameters.AddWithValue("?AssetType", asset.Type);
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cmd.Parameters.AddWithValue("?Local", asset.Local);
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cmd.Parameters.AddWithValue("?Temporary", asset.Temporary);
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cmd.Parameters.AddWithValue("?CreateTime", now);
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cmd.Parameters.AddWithValue("?AccessTime", now);
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cmd.Parameters.AddWithValue("?CreatorID", asset.Metadata.CreatorID);
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cmd.Parameters.AddWithValue("?AssetFlags", (int)asset.Flags);
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cmd.Parameters.AddWithValue("?Data", asset.Data);
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cmd.ExecuteNonQuery();
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}
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}
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catch (Exception e)
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{
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m_log.ErrorFormat("[ASSET DB]: MySQL failure creating asset metadata {0} with name \"{1}\". Error: {2}",
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m_log.ErrorFormat("[XASSET DB]: MySQL failure creating asset data {0} with name \"{1}\". Error: {2}",
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asset.FullID, asset.Name, e.Message);
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transaction.Rollback();
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return;
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}
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if (!ExistsData(dbcon, transaction, hash))
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{
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try
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{
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using (MySqlCommand cmd =
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new MySqlCommand(
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"INSERT INTO XAssetsData(Hash, Data) VALUES(?Hash, ?Data)",
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dbcon))
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{
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cmd.Parameters.AddWithValue("?Hash", hash);
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cmd.Parameters.AddWithValue("?Data", asset.Data);
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cmd.ExecuteNonQuery();
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}
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}
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catch (Exception e)
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{
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m_log.ErrorFormat("[XASSET DB]: MySQL failure creating asset data {0} with name \"{1}\". Error: {2}",
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asset.FullID, asset.Name, e.Message);
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transaction.Rollback();
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return;
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}
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}
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transaction.Commit();
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}
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transaction.Commit();
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}
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}
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}
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@ -328,31 +322,28 @@ namespace OpenSim.Data.MySQL
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if ((now - Utils.UnixTimeToDateTime(accessTime)).TotalDays < DaysBetweenAccessTimeUpdates)
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return;
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lock (m_dbLock)
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using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
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{
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using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
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{
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dbcon.Open();
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MySqlCommand cmd =
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new MySqlCommand("update XAssetsMeta set AccessTime=?AccessTime where ID=?ID", dbcon);
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dbcon.Open();
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MySqlCommand cmd =
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new MySqlCommand("update XAssetsMeta set AccessTime=?AccessTime where ID=?ID", dbcon);
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try
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try
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{
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using (cmd)
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{
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using (cmd)
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{
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// create unix epoch time
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cmd.Parameters.AddWithValue("?ID", assetMetadata.ID);
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cmd.Parameters.AddWithValue("?AccessTime", (int)Utils.DateTimeToUnixTime(now));
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cmd.ExecuteNonQuery();
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}
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}
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catch (Exception)
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{
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m_log.ErrorFormat(
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"[XASSET MYSQL DB]: Failure updating access_time for asset {0} with name {1}",
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assetMetadata.ID, assetMetadata.Name);
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// create unix epoch time
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cmd.Parameters.AddWithValue("?ID", assetMetadata.ID);
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cmd.Parameters.AddWithValue("?AccessTime", (int)Utils.DateTimeToUnixTime(now));
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cmd.ExecuteNonQuery();
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}
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}
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catch (Exception)
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{
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m_log.ErrorFormat(
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"[XASSET MYSQL DB]: Failure updating access_time for asset {0} with name {1}",
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assetMetadata.ID, assetMetadata.Name);
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}
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}
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}
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@ -411,20 +402,17 @@ namespace OpenSim.Data.MySQL
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string ids = "'" + string.Join("','", uuids) + "'";
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string sql = string.Format("SELECT ID FROM assets WHERE ID IN ({0})", ids);
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lock (m_dbLock)
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using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
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{
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using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
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dbcon.Open();
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using (MySqlCommand cmd = new MySqlCommand(sql, dbcon))
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{
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dbcon.Open();
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using (MySqlCommand cmd = new MySqlCommand(sql, dbcon))
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using (MySqlDataReader dbReader = cmd.ExecuteReader())
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{
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using (MySqlDataReader dbReader = cmd.ExecuteReader())
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while (dbReader.Read())
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{
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while (dbReader.Read())
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{
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UUID id = DBGuid.FromDB(dbReader["ID"]);
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exists.Add(id);
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}
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UUID id = DBGuid.FromDB(dbReader["ID"]);
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exists.Add(id);
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}
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}
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}
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@ -449,43 +437,40 @@ namespace OpenSim.Data.MySQL
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{
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List<AssetMetadata> retList = new List<AssetMetadata>(count);
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lock (m_dbLock)
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using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
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{
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using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
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dbcon.Open();
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MySqlCommand cmd = new MySqlCommand("SELECT Name, Description, AccessTime, AssetType, Temporary, ID, AssetFlags, CreatorID FROM XAssetsMeta LIMIT ?start, ?count", dbcon);
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cmd.Parameters.AddWithValue("?start", start);
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cmd.Parameters.AddWithValue("?count", count);
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try
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{
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dbcon.Open();
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MySqlCommand cmd = new MySqlCommand("SELECT Name, Description, AccessTime, AssetType, Temporary, ID, AssetFlags, CreatorID FROM XAssetsMeta LIMIT ?start, ?count", dbcon);
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cmd.Parameters.AddWithValue("?start", start);
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cmd.Parameters.AddWithValue("?count", count);
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try
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using (MySqlDataReader dbReader = cmd.ExecuteReader())
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{
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using (MySqlDataReader dbReader = cmd.ExecuteReader())
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while (dbReader.Read())
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{
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while (dbReader.Read())
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{
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AssetMetadata metadata = new AssetMetadata();
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metadata.Name = (string)dbReader["Name"];
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metadata.Description = (string)dbReader["Description"];
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metadata.Type = (sbyte)dbReader["AssetType"];
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metadata.Temporary = Convert.ToBoolean(dbReader["Temporary"]); // Not sure if this is correct.
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metadata.Flags = (AssetFlags)Convert.ToInt32(dbReader["AssetFlags"]);
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metadata.FullID = DBGuid.FromDB(dbReader["ID"]);
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metadata.CreatorID = dbReader["CreatorID"].ToString();
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AssetMetadata metadata = new AssetMetadata();
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metadata.Name = (string)dbReader["Name"];
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metadata.Description = (string)dbReader["Description"];
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metadata.Type = (sbyte)dbReader["AssetType"];
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metadata.Temporary = Convert.ToBoolean(dbReader["Temporary"]); // Not sure if this is correct.
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metadata.Flags = (AssetFlags)Convert.ToInt32(dbReader["AssetFlags"]);
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metadata.FullID = DBGuid.FromDB(dbReader["ID"]);
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metadata.CreatorID = dbReader["CreatorID"].ToString();
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// We'll ignore this for now - it appears unused!
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// We'll ignore this for now - it appears unused!
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// metadata.SHA1 = dbReader["hash"]);
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UpdateAccessTime(metadata, (int)dbReader["AccessTime"]);
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UpdateAccessTime(metadata, (int)dbReader["AccessTime"]);
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retList.Add(metadata);
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}
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retList.Add(metadata);
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}
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}
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catch (Exception e)
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{
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m_log.Error("[XASSETS DB]: MySql failure fetching asset set" + Environment.NewLine + e.ToString());
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}
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}
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catch (Exception e)
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{
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||||
m_log.Error("[XASSETS DB]: MySql failure fetching asset set" + Environment.NewLine + e.ToString());
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -496,21 +481,18 @@ namespace OpenSim.Data.MySQL
|
|||
{
|
||||
// m_log.DebugFormat("[XASSETS DB]: Deleting asset {0}", id);
|
||||
|
||||
lock (m_dbLock)
|
||||
using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
|
||||
{
|
||||
using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
|
||||
dbcon.Open();
|
||||
|
||||
using (MySqlCommand cmd = new MySqlCommand("delete from XAssetsMeta where ID=?ID", dbcon))
|
||||
{
|
||||
dbcon.Open();
|
||||
|
||||
using (MySqlCommand cmd = new MySqlCommand("delete from XAssetsMeta where ID=?ID", dbcon))
|
||||
{
|
||||
cmd.Parameters.AddWithValue("?ID", id);
|
||||
cmd.ExecuteNonQuery();
|
||||
}
|
||||
|
||||
// TODO: How do we deal with data from deleted assets? Probably not easily reapable unless we
|
||||
// keep a reference count (?)
|
||||
cmd.Parameters.AddWithValue("?ID", id);
|
||||
cmd.ExecuteNonQuery();
|
||||
}
|
||||
|
||||
// TODO: How do we deal with data from deleted assets? Probably not easily reapable unless we
|
||||
// keep a reference count (?)
|
||||
}
|
||||
|
||||
return true;
|
||||
|
|
|
|||
Loading…
Reference in New Issue