private void ReadFile()
{
if (!File.Exists(_fileToWatch))
{
return;
}
//Factory pattern to decide which class object need to invoke for file parsing
ParserFactory parseFact = new ParserFactory();
IParser parser = parseFact.GetParser(ParserFactory.ParserFileEnums.Flat);
StreamReader fileReader;
using (fileReader = new StreamReader(new FileStream(_fileToWatch, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)))
{
if (fileReader.BaseStream.Length == _lastFileLength)
return;
if (fileReader.BaseStream.Length < _lastFileLength)
{
//Log file has been trucated/deleted/renamed
_lastFileLength = 0;
}
// Seek to the last file length
fileReader.BaseStream.Seek(_lastFileLength, SeekOrigin.Begin);
//Now decide which all parameters we need to pass to parse function
//ConfigurationFactory configFact=new ConfigurationFactory();
//IConfiguration config = configFact.GetConfiguration(ConfigurationFactory.ConfigurationFileEnums.FlatFile);
ConfigurationSettings settings = new ConfigurationSettings();
settings.ConversionPattern = ConversionPattern;
settings.FileReader = fileReader;
Log2Console.Configuration.Configuration config = new Log2Console.Configuration.Configuration();
config.Configurations = settings;
//At runtime call
List<LogMessage> logMsgs = parser.Parse(config);//To parse flat file
//Notify the UI with the set of messages
Notifiable.Notify(logMsgs.ToArray());
// Update the last file length
_lastFileLength = fileReader.BaseStream.Position;
}
}
/// <summary>
/// To read data from database log table
/// </summary>
private void ReadLogTable()
{
//Factory pattern to decide which class object need to invoke for file parsing
ParserFactory parseFact = new ParserFactory();
IParser parser = parseFact.GetParser(ParserFactory.ParserFileEnums.SQL);
//Now decide which all parameters we need to pass to parse function
ConfigurationSettings settings = new ConfigurationSettings();
settings.FieldList = _fieldList;
settings.LogTableName = LogTableName;
settings.ConnectionString = ConnectionString;
settings.RowsCount = RowsCount;
Log2Console.Configuration.Configuration config = new Log2Console.Configuration.Configuration();
config.Configurations = settings;
//At runtime call
List<LogMessage> logMsgs = parser.Parse(config);
// Notify the UI with the set of messages
Notifiable.Notify(logMsgs.ToArray());
}
