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// Copyright (c) 2009-2010 Sun Microsystems, Inc.
//
// MySQL Connector/NET is licensed under the terms of the GPLv2
// <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
// MySQL Connectors. There are special exceptions to the terms and
// conditions of the GPLv2 as it is applied to this software, see the
// FLOSS License Exception
// <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published
// by the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using System.Reflection;
using MySql.Data.MySqlClient.Properties;
namespace MySql.Data.MySqlClient
{
public class MySqlTrace
{
private static string qaHost;
private static bool qaEnabled = false;
#if !CF
private static TraceSource source = new TraceSource("mysql");
static MySqlTrace()
{
foreach (TraceListener listener in source.Listeners)
{
if (listener.GetType().ToString().Contains("MySql.EMTrace.EMTraceListener"))
{
qaEnabled = true;
break;
}
}
}
public static TraceListenerCollection Listeners
{
get { return source.Listeners; }
}
public static SourceSwitch Switch
{
get { return source.Switch; }
set { source.Switch = value; }
}
public static bool QueryAnalysisEnabled
{
get { return qaEnabled; }
}
public static void EnableQueryAnalyzer(string host, int postInterval)
{
if (qaEnabled) return;
// create a EMTraceListener and add it to our source
TraceListener l = (TraceListener)Activator.CreateInstance("MySql.EMTrace",
"MySql.EMTrace.EMTraceListener", false, BindingFlags.CreateInstance,
null, new object[] { host, postInterval }, null, null, null).Unwrap();
if (l == null)
throw new MySqlException(Resources.UnableToEnableQueryAnalysis);
source.Listeners.Add(l);
Switch.Level = SourceLevels.All;
}
public static void DisableQueryAnalyzer()
{
qaEnabled = false;
foreach (TraceListener l in source.Listeners)
if (l.GetType().ToString().Contains("EMTraceListener"))
{
source.Listeners.Remove(l);
break;
}
}
internal static TraceSource Source
{
get { return source; }
}
#endif
internal static void LogInformation(int id, string msg)
{
#if !CF
Source.TraceEvent(TraceEventType.Information, id, msg, MySqlTraceEventType.NonQuery, -1);
Trace.TraceInformation(msg);
#endif
}
internal static void LogWarning(int id, string msg)
{
#if !CF
Source.TraceEvent(TraceEventType.Warning, id, msg, MySqlTraceEventType.NonQuery, -1);
Trace.TraceWarning(msg);
#endif
}
internal static void LogError(int id, string msg)
{
#if !CF
Source.TraceEvent(TraceEventType.Error, id, msg, MySqlTraceEventType.NonQuery, -1);
Trace.TraceError(msg);
#endif
}
#if !CF
internal static void TraceEvent(TraceEventType eventType,
MySqlTraceEventType mysqlEventType, string msgFormat, params object[] args)
{
Source.TraceEvent(eventType, (int)mysqlEventType, msgFormat, args);
}
#endif
}
public enum MySqlTraceEventType : int
{
ConnectionOpened = 1,
ConnectionClosed,
QueryOpened,
ResultOpened,
ResultClosed,
QueryClosed,
StatementPrepared,
StatementExecuted,
StatementClosed,
NonQuery,
UsageAdvisorWarning,
Warning,
Error,
QueryNormalized
}
public enum UsageAdvisorWarningFlags
{
NoIndex = 1,
BadIndex,
SkippedRows,
SkippedColumns,
FieldConversion
}
}
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