private dynamic RenderSeries(dynamic req)
{
try
{
var model = new RenderSeriesModel();
this.BindTo(model, new BindingConfig {
BodyOnly = false
});
var tgt = (string)Request.Form.target;
var now = DateTime.UtcNow;
var from = DateTimeParser.ParseDateTime(model.From, now, now.AddHours(-1));
var until = DateTimeParser.ParseDateTime(model.Until, now, now);
var targets = string.Join("', '", model.Target);
log.Debug("started rendering metrics using '{0}' from {1:s} to {2:s} ({3})", targets, from, until, until - from);
var environment = new Statsify.Core.Expressions.Environment {
MetricRegistry = metricRegistry,
QueuedMetricDatapoints = metricAggregator.Queue
};
var evalContext = new EvalContext(@from, until);
var expressions =
expressionCompiler.Parse(model.Target).
Select(e =>
e is MetricSelectorExpression ?
new EvaluatingMetricSelectorExpression(e as MetricSelectorExpression) :
e).
ToList();
log.Debug("started evaluating expression");
var r = expressions.SelectMany(e => (Core.Model.Metric[])e.Evaluate(environment, evalContext)).ToArray();
log.Debug("evaluated expression");
var metrics = new List <Core.Model.Metric>(r);
var seriesViewList =
metrics.
Select(m =>
new SeriesView {
Target = m.Name,
Datapoints =
m.Series.Datapoints.
Select(d => new[] { d.Value, d.Timestamp.ToUnixTimestamp() }).
ToArray()
}).
ToArray();
log.Debug("rendered {0} metrics using '{1}' from {2:s} to {3:s}", seriesViewList.Length, targets, from, until);
return(Response.AsJson(seriesViewList));
}
catch (Exception e)
{
return(Response.AsJson(new { e.Message, e.StackTrace }, HttpStatusCode.InternalServerError));
}
}
private dynamic GetSeries(IMetricRegistry metricRegistry, IMetricAggregator metricAggregator, ExpressionCompiler expressionCompiler)
{
try
{
var model = new SeriesQueryModel();
this.BindTo(model, new BindingConfig {
BodyOnly = false
});
var now = DateTime.UtcNow;
var from = DateTimeParser.ParseDateTime(model.From, now, now.AddHours(-1));
var until = DateTimeParser.ParseDateTime(model.Until, now, now);
var environment = new Statsify.Core.Expressions.Environment
{
MetricRegistry = metricRegistry,
QueuedMetricDatapoints = metricAggregator.Queue
};
var evalContext = new EvalContext(@from, until);
var metrics = new List <Core.Model.Metric>();
foreach (var expression in model.Expression.Select(HttpUtility.UrlDecode))
{
var e = expressionCompiler.Parse(expression).Single();
if (e is MetricSelectorExpression)
{
e = new EvaluatingMetricSelectorExpression(e as MetricSelectorExpression);
} // if
var r = (Core.Model.Metric[])e.Evaluate(environment, evalContext);
metrics.AddRange(r);
} // foreach
var seriesViewList =
metrics.
Select(m =>
new SeriesView {
Target = m.Name,
Datapoints =
m.Series.Datapoints.
Select(d => new[] { d.Value, d.Timestamp.ToUnixTimestamp() }).
ToArray()
}).
ToArray();
return(Response.AsJson(seriesViewList));
}
catch (Exception e)
{
return(Response.AsJson(new { e.Message, e.StackTrace }, HttpStatusCode.InternalServerError));
}
}