/// <summary>
///
/// </summary>
/// <remarks>
/// A Timer is a measure of the number of milliseconds elapsed between a start and end time, for example the time to complete rendering of a web page for a user.
/// </remarks>
/// <param name="statsifyClient"></param>
/// <param name="metric"></param>
/// <param name="action"></param>
/// <param name="sample"></param>
public static void Time(this IStatsifyClient statsifyClient, string metric, Action action, double sample = 1)
{
var stopwatch = Stopwatch.StartNew();
action();
var value = stopwatch.ElapsedMilliseconds;
statsifyClient.Time(metric, value, sample);
}
public bool Start(HostControl hostControl)
{
log.Info("starting up");
var statsify = configuration.Statsify;
var @namespace = statsify.Namespace;
if (!string.IsNullOrWhiteSpace(@namespace))
{
@namespace += ".";
}
@namespace += Environment.MachineName.ToLowerInvariant();
var uri = statsify.Uri;
if (uri != null && !string.IsNullOrWhiteSpace(uri.OriginalString))
{
log.Trace("configuring StatsifyClient with uri: {0}, namespace: '{1}', collection interval: '{2}' ",
statsify.Uri, @namespace, configuration.Metrics.CollectionInterval);
var statsifyChannelFactory = new StatsifyChannelFactory();
var statsifyChannel = statsifyChannelFactory.CreateChannel(uri);
statsifyClient = new StatsifyClient(@namespace, statsifyChannel);
} // if
else
{
log.Trace("configuring StatsifyClient with host: {0}, port: {1}, namespace: '{2}', collection interval: '{3}' ",
configuration.Statsify.Host, configuration.Statsify.Port, @namespace, configuration.Metrics.CollectionInterval);
statsifyClient = new UdpStatsifyClient(statsify.Host, statsify.Port, @namespace);
} // else
metricCollector = new MetricCollector(configuration.Metrics);
metricPublisher = new MetricPublisher(metricCollector, statsifyClient, configuration.Metrics.CollectionInterval);
metricPublisher.Start();
return(true);
}
/// <summary>
/// Decrement a counter <paramref name="metric"/> by <c>1</c>.
/// </summary>
/// <param name="statsifyClient"></param>
/// <param name="metric"></param>
/// <param name="sample"></param>
public static void Decrement(this IStatsifyClient statsifyClient, string metric, double sample = 1)
{
statsifyClient.Counter(metric, -1, sample);
}
public MetricPublisher(MetricCollector metricCollector, IStatsifyClient statsifyClient, TimeSpan collectionInterval)
{
this.metricCollector = metricCollector;
this.statsifyClient = statsifyClient;
this.collectionInterval = collectionInterval;
}
