private async Task Execute()
{
if (Verbose)
{
Trace.WriteLine("Execution of writer loop started. Waiting for log lines...");
}
while (!_cancellationTokenSource.Token.IsCancellationRequested)
{
// wait for processing
if (Verbose)
{
Trace.WriteLine($"Loop waiting for {LogDnaConfig.WriterLoopInterval} ms");
}
await Task.Delay(LogDnaConfig.WriterLoopInterval);
if (!HasLines())
{
if (Verbose)
{
Trace.WriteLine($"No lines this time... see you in {LogDnaConfig.WriterLoopInterval} ms");
}
continue;
}
LogLineBatch logLinesBatch;
lock (_linesLock)
{
var currentLogLines = new LogLine[_logLines.Count];
_logLines.CopyTo(currentLogLines, 0);
_logLines.Clear();
logLinesBatch = new LogLineBatch(currentLogLines);
}
if (Verbose)
{
Trace.WriteLine($"Prepared batch with {logLinesBatch.Lines.Count()} log lines");
}
await SendBatchWithRetry(logLinesBatch);
}
if (Verbose)
{
Trace.WriteLine("Stopping execution of writer loop. Good bye!");
}
}
private async Task SendBatchWithRetry(LogLineBatch logLineBatch)
{
var tries = 1;
var successful = false;
do
{
var request = new IngestRequest()
{
HostName = _dnsInfoProvider.GetHostName()
};
var response = await _logDnaApi.Ingest(request, LogDnaConfig.AuthorizationHeader, logLineBatch);
successful = response.IsSuccessStatusCode;
if (!successful)
{
var errorMessage = await response.Content.ReadAsStringAsync();
await Console.Error.WriteAsync(
$"Failed to log batch of {logLineBatch.Lines.Count()} log lines: {response.StatusCode} - {errorMessage}"
);
}
else if (Verbose)
{
Trace.WriteLine(
$"Successfully sent batch of {logLineBatch.Lines.Count()} on attempt {tries}: : {response.StatusCode}"
);
}
} while (!successful && tries++ <= LogDnaConfig.WriterMaxRetries);
if (!successful)
{
await Console.Error.WriteAsync(
$"Failed to log batch of {logLineBatch.Lines.Count()} log lines after {LogDnaConfig.WriterMaxRetries} attempts"
);
}
}
