public void InitialRead(string directory, ICentralLogServiceCache cache, int maxLinesToRead = 1000)
{
if (_readDone)
{
return;
}
_current.ContinueWith((task) =>
{
var token = _tokenSource.Token;
if (token.IsCancellationRequested)
{
return;
}
var files = Directory.GetFiles(directory);
// ReSharper disable once LocalizableElement
Console.WriteLine($"Read simulation files from [{directory}]");
Parallel.ForEach(files, (file) =>
{
if (token.IsCancellationRequested)
{
return;
}
var lines = File.ReadAllLines(file);
if (maxLinesToRead != -1)
{
foreach (var line in lines.Take(maxLinesToRead))
{
if (token.IsCancellationRequested)
{
return;
}
cache.AddEntry(new LogEntry(file, line));
}
}
else
{
foreach (var line in lines)
{
if (token.IsCancellationRequested)
{
return;
}
cache.AddEntry(new LogEntry(file, line));
}
}
});
_readDone = true;
});
}
async Task WaitForNewEntriesAndWrite()
{
var token = _source.Token;
while (token.IsCancellationRequested == false)
{
try
{
var available = await _logEntryChannel.Reader.WaitToReadAsync(token);
if (!available) // If false the channel is closed
{
break;
}
var newEntry = await _logEntryChannel.Reader.ReadAsync();
if (token.IsCancellationRequested)
{
break;
}
//Trace.TraceInformation($"CentralLogService add log entry to cache: [{newEntry.FileName}] - [{newEntry.Lines}]");
_cache.AddEntry(newEntry);
}
catch (Exception e)
{
Trace.TraceError($"WaitForNewEntriesAndWrite - Exception: {e.Message}");
}
}
}