122 lines
4.4 KiB
C#
122 lines
4.4 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Data;
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using OpenMetaverse;
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using OpenSim.Framework;
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using MySql.Data.MySqlClient;
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namespace OpenSim.Data.MySQL
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{
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/// <summary>
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/// Common code for a number of database modules
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/// </summary>
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public class MySqlFramework
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{
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private static readonly log4net.ILog m_log =
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log4net.LogManager.GetLogger(
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System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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protected string m_connectionString = String.Empty;
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protected MySqlTransaction m_trans = null;
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// Constructor using a connection string. Instances constructed
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// this way will open a new connection for each call.
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protected MySqlFramework(string connectionString)
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{
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m_connectionString = connectionString;
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}
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// Constructor using a connection object. Instances constructed
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// this way will use the connection object and never create
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// new connections.
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protected MySqlFramework(MySqlTransaction trans)
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{
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m_trans = trans;
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}
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//////////////////////////////////////////////////////////////
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//
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// All non queries are funneled through one connection
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// to increase performance a little
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//
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protected int ExecuteNonQuery(MySqlCommand cmd)
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{
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if (m_trans == null)
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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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int ret = ExecuteNonQueryWithConnection(cmd, dbcon);
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dbcon.Close();
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return ret;
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}
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}
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else
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{
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return ExecuteNonQueryWithTransaction(cmd, m_trans);
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}
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}
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private int ExecuteNonQueryWithTransaction(MySqlCommand cmd, MySqlTransaction trans)
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{
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cmd.Transaction = trans;
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return ExecuteNonQueryWithConnection(cmd, trans.Connection);
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}
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private int ExecuteNonQueryWithConnection(MySqlCommand cmd, MySqlConnection dbcon)
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{
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try
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{
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cmd.Connection = dbcon;
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try
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{
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int ret = cmd.ExecuteNonQuery();
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cmd.Connection = null;
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return ret;
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}
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catch (Exception e)
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{
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m_log.Error(e.Message, e);
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m_log.Error(Environment.StackTrace.ToString());
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cmd.Connection = null;
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return 0;
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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(e.Message, e);
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return 0;
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}
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}
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}
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}
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