//******************************************************************************************************// LogFileReader.cs - Gbtc//// Copyright © 2016, Grid Protection Alliance. All Rights Reserved.//// Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See// the NOTICE file distributed with this work for additional information regarding copyright ownership.// The GPA licenses this file to you under the Eclipse Public License -v 1.0 (the "License"); you may// not use this file except in compliance with the License. You may obtain a copy of the License at://// http://www.opensource.org/licenses/eclipse-1.0.php//// Unless agreed to in writing, the subject software distributed under the License is distributed on an// "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the// License for the specific language governing permissions and limitations.//// Code Modification History:// ----------------------------------------------------------------------------------------------------// 10/24/2016 - Steven E. Chisholm// Generated original version of source code. // ////****************************************************************************************************** using System.Collections.Generic;using System.Data;using System.IO;using GSF.IO;using Ionic.Zlib; namespace GSF.Diagnostics{ /// <summary> /// A method to read all of the logs in a single file. /// </summary> public static class LogFileReader { /// <summary> /// Reads all log messages from the supplied file. /// </summary> public static List<LogMessage> Read(string logFileName) { List<LogMessage> lst = new List<LogMessage>(); FilePath.ValidatePathName(logFileName); using (var stream = new FileStream(logFileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete)) { try { LogMessageSaveHelper helper; int version = stream.ReadInt32(); switch (version) { case 282497: helper = LogMessageSaveHelper.Create(); //VersionNumber: Compressed. With LogSaveHelper break; default: throw new VersionNotFoundException(); } using (var zipStream = new DeflateStream(stream, CompressionMode.Decompress, true)) using (var bs = new BufferedStream(zipStream)) { while (bs.ReadBoolean()) { var message = new LogMessage(bs, helper); lst.Add(message); } bs.Dispose(); } } catch (EndOfStreamException) { } catch (ZlibException) { } } return lst; } }}
//******************************************************************************************************
// LogFileReader.cs - Gbtc
//
// Copyright © 2016, Grid Protection Alliance. All Rights Reserved.
//
// Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See
// the NOTICE file distributed with this work for additional information regarding copyright ownership.
// The GPA licenses this file to you under the Eclipse Public License -v 1.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain a copy of the License at:
//
// http://www.opensource.org/licenses/eclipse-1.0.php
//
// Unless agreed to in writing, the subject software distributed under the License is distributed on an
// "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the
// License for the specific language governing permissions and limitations.
//
// Code Modification History:
// ----------------------------------------------------------------------------------------------------
// 10/24/2016 - Steven E. Chisholm
// Generated original version of source code.
//
//
//******************************************************************************************************
using System.Collections.Generic;
using System.Data;
using System.IO;
using GSF.IO;
using Ionic.Zlib;
namespace GSF.Diagnostics
{
/// <summary>
/// A method to read all of the logs in a single file.
/// </summary>
public static class LogFileReader
{
/// <summary>
/// Reads all log messages from the supplied file.
/// </summary>
public static List<LogMessage> Read(string logFileName)
{
List<LogMessage> lst = new List<LogMessage>();
FilePath.ValidatePathName(logFileName);
using (var stream = new FileStream(logFileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete))
{
try
{
LogMessageSaveHelper helper;
int version = stream.ReadInt32();
switch (version)
{
case 282497:
helper = LogMessageSaveHelper.Create(); //VersionNumber: Compressed. With LogSaveHelper
break;
default:
throw new VersionNotFoundException();
}
using (var zipStream = new DeflateStream(stream, CompressionMode.Decompress, true))
using (var bs = new BufferedStream(zipStream))
{
while (bs.ReadBoolean())
{
var message = new LogMessage(bs, helper);
lst.Add(message);
}
bs.Dispose();
}
}
catch (EndOfStreamException)
{
}
catch (ZlibException)
{
}
}
return lst;
}
}
}