public MetricWrapper(ILambdaContext context,
List <Dimension> dimensions,
String authToken)
{
int timeoutMs = 300; //default timeout 300ms
if (int.TryParse(GetEnvironmentVariable(TIMEOUT_MS), out int intValue))
{
timeoutMs = intValue;
}
// create endpoint
SignalFxLambdaEndpoint signalFxEndpoint = new SignalFxLambdaEndpoint();
// create reporter with endpoint
reporter = new SignalFxReporter(signalFxEndpoint.ToString(), authToken, timeoutMs);
// get default dimensions
defaultDimensions = GetDefaultDimensions(context);
// set wrapper singleton context
MetricSender.setWrapper(this);
watch = System.Diagnostics.Stopwatch.StartNew();
sendMetricCounter(METRIC_NAME_INVOCATIONS, MetricType.COUNTER);
if (isColdStart)
{
isColdStart = false;
sendMetricCounter(METRIC_NAME_COLD_STARTS, MetricType.COUNTER);
}
}
private void sendMetric(string metricName, MetricType metricType,
Datum datum)
{
DataPoint dp = new DataPoint();
dp.metric = METRIC_NAME_PREFIX + metricName;
dp.metricType = metricType;
dp.value = datum;
MetricSender.sendMetric(dp);
}