void AppendLine(StreamBufferWriter writer)
{
if (writer.TryGetForNewLine(out var buffer, out var index))
{
if (crlf)
{
buffer[index] = newLine1;
buffer[index + 1] = newLine2;
writer.Advance(2);
}
else
{
buffer[index] = newLine1;
writer.Advance(1);
}
}
else
{
var span = writer.GetSpan(newLine.Length);
newLine.CopyTo(span);
}
}
async Task WriteLoop()
{
var writer = new StreamBufferWriter(stream);
var reader = channel.Reader;
try
{
while (await reader.WaitToReadAsync().ConfigureAwait(false))
{
LogInfo info = default;
try
{
while (reader.TryRead(out var value))
{
info = value.LogInfo;
if (options.EnableStructuredLogging)
{
var jsonWriter = options.GetThreadStaticUtf8JsonWriter(writer);
try
{
jsonWriter.WriteStartObject();
value.FormatUtf8(writer, options, jsonWriter);
value.Return();
jsonWriter.WriteEndObject();
jsonWriter.Flush();
}
finally
{
jsonWriter.Reset();
}
}
else
{
value.FormatUtf8(writer, options, null);
value.Return();
}
AppendLine(writer);
}
info = default;
writer.Flush(); // flush before wait.
}
catch (Exception ex)
{
try
{
if (options.InternalErrorLogger != null)
{
options.InternalErrorLogger(info, ex);
}
else
{
Console.WriteLine(ex);
}
}
catch { }
}
}
}
catch (OperationCanceledException)
{
}
finally
{
try
{
writer.Flush();
}
catch { }
}
}
async Task WriteLoop()
{
var writer = new StreamBufferWriter(stream);
var reader = channel.Reader;
var sw = Stopwatch.StartNew();
try
{
while (await reader.WaitToReadAsync().ConfigureAwait(false))
{
LogInfo info = default;
try
{
while (reader.TryRead(out var value))
{
info = value.LogInfo;
if (options.EnableStructuredLogging)
{
var jsonWriter = options.GetThreadStaticUtf8JsonWriter(writer);
try
{
jsonWriter.WriteStartObject();
value.FormatUtf8(writer, options, jsonWriter);
value.Return();
jsonWriter.WriteEndObject();
jsonWriter.Flush();
}
finally
{
jsonWriter.Reset();
}
}
else
{
value.FormatUtf8(writer, options, null);
value.Return();
}
AppendLine(writer);
}
info = default;
if (options.FlushRate != null && !cancellationTokenSource.IsCancellationRequested)
{
sw.Stop();
var sleepTime = options.FlushRate.Value - sw.Elapsed;
if (sleepTime > TimeSpan.Zero)
{
try
{
await Task.Delay(sleepTime, cancellationTokenSource.Token).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
}
}
}
writer.Flush(); // flush before wait.
sw.Reset();
sw.Start();
}
catch (Exception ex)
{
try
{
if (options.InternalErrorLogger != null)
{
options.InternalErrorLogger(info, ex);
}
else
{
Console.WriteLine(ex);
}
}
catch { }
}
}
}
catch (OperationCanceledException)
{
}
finally
{
try
{
writer.Flush();
}
catch { }
}
}
