private void WriteThreadProc()
{
Logger.Trace("WriteThreadProc() begin");
bool needToFlush = false;
while (_runWriteThread)
{
try
{
while (_metricValueQueue.Count > 0)
{
MetricValue metricValue = null;
lock (_queueLock)
{
if (_metricValueQueue.Count > 0)
{
metricValue = _metricValueQueue.Dequeue();
}
}
if (metricValue != null)
{
needToFlush = true;
metricValue.Interval = _interval;
_aggregator.Aggregate(ref metricValue);
metricValue.AddMetaData(_metaData);
foreach (IMetricsPlugin plugin in _plugins)
{
var writePlugin = plugin as IMetricsWritePlugin;
if (writePlugin == null)
{
// skip if plugin is not a writeplugin, it might be a readplugin
continue;
}
writePlugin.Write(metricValue);
}
}
}
if (needToFlush)
{
needToFlush = false;
foreach (IMetricsPlugin plugin in _plugins)
{
var writePlugin = plugin as IMetricsWritePlugin;
if (writePlugin != null)
{
// flush only if it is a Write plugin
writePlugin.Flush();
}
}
}
if (_metricValueQueue.Count <= 0)
{
Thread.Sleep(1000);
}
}
catch (Exception exp)
{
Logger.Error("WriteThreadProc() got exception : ", exp);
}
}
Logger.Trace("WriteThreadProc() return");
}
