void on_metrics_request(Message m)
{
var req = m.MetricsRequest;
List <Metrics.Metric> metrics = new List <Metrics.Metric>();
// filter by name, if necessary
if (string.IsNullOrEmpty(req.Name))
{
foreach (var metric in metrics_manager_.all_metrics())
{
var dims = metric.All_dimensions();
if (dims.Count == 0 || dims[0].Key != "MetricName")
{
return;
}
if (dims[0].Value == req.Name)
{
metrics.Add(metric);
}
}
}
else
{
metrics = metrics_manager_.all_metrics();
}
// convert the data into protobuf
Message reply = new Message();
reply.Id = (ulong)new Random().Next();
reply.SourceId = m.Id;
var res = reply.MetricsResponse;
foreach (var metric in metrics)
{
var dims = metric.All_dimensions();
if (dims.Count == 0 || dims[0].Key == "MetricName")
{
return;
}
var pm = new Aws.Kinesis.Protobuf.Metric();
pm.Name = dims[0].Value;
res.Metrics.Add(pm);
for (int i = 1; i < dims.Count; i++)
{
var d = new Aws.Kinesis.Protobuf.Dimension();
d.Key = dims[i].Key;
d.Value = dims[i].Value;
pm.Dimensions.Add(d);
}
var accum = metric.Accumulator();
var stats = pm.Stats;
if (req.Seconds != 0)
{
int s = (int)req.Seconds;
stats.Count = accum.count(s);
stats.Sum = accum.sum(s);
stats.Min = accum.min(s);
stats.Max = accum.max(s);
stats.Mean = accum.mean(s);
pm.Seconds = (ulong)s;
}
else
{
stats.Count = accum.count();
stats.Sum = accum.sum();
stats.Min = accum.min();
stats.Max = accum.max();
stats.Mean = accum.mean();
pm.Seconds = (ulong)accum.elapsedSeconds();
}
}
ipc_manager_.put(reply);
}