public MetricsHttpListener(string listenerUriPrefix, MetricsRegistry registry, Func<HealthStatus> healthStatus)
{
this.httpListener = new HttpListener();
this.httpListener.Prefixes.Add(listenerUriPrefix);
this.registry = registry;
this.healthStatus = healthStatus;
}
internal RpcMetrics(Server server, Configuration conf)
{
string port = server.GetListenerAddress().Port.ToString();
name = "RpcActivityForPort" + port;
this.server = server;
registry = new MetricsRegistry("rpc").Tag("port", "RPC port", port);
int[] intervals = conf.GetInts(CommonConfigurationKeys.RpcMetricsPercentilesIntervalsKey
);
rpcQuantileEnable = (intervals.Length > 0) && conf.GetBoolean(CommonConfigurationKeys
.RpcMetricsQuantileEnable, CommonConfigurationKeys.RpcMetricsQuantileEnableDefault
);
if (rpcQuantileEnable)
{
rpcQueueTimeMillisQuantiles = new MutableQuantiles[intervals.Length];
rpcProcessingTimeMillisQuantiles = new MutableQuantiles[intervals.Length];
for (int i = 0; i < intervals.Length; i++)
{
int interval = intervals[i];
rpcQueueTimeMillisQuantiles[i] = registry.NewQuantiles("rpcQueueTime" + interval
+ "s", "rpc queue time in milli second", "ops", "latency", interval);
rpcProcessingTimeMillisQuantiles[i] = registry.NewQuantiles("rpcProcessingTime" +
interval + "s", "rpc processing time in milli second", "ops", "latency", interval
);
}
}
Log.Debug("Initialized " + registry);
}
protected BaseMetricsContext(string context, MetricsRegistry registry, MetricsBuilder metricsBuilder, Func <DateTime> timestampProvider)
{
this.context = context;
this.registry = registry;
this.metricsBuilder = metricsBuilder;
this.DataProvider = new DefaultDataProvider(this.context, timestampProvider, this.registry.DataProvider, () => this.childContexts.Values.Select(c => c.DataProvider));
}
public static string GetAsHumanReadable(MetricsRegistry registry, Func <HealthStatus> healthStatus)
{
var report = new StringReporter();
report.RunReport(registry, healthStatus);
return(report.Result);
}
public ModuleConfig(MetricsRegistry registry, Func <HealthStatus> healthStatus, Action <INancyModule> moduleConfig, string metricsPath)
{
this.Registry = registry;
this.HealthStatus = healthStatus;
this.ModuleConfigAction = moduleConfig;
this.ModulePath = metricsPath;
}
public override void Run()
{
try {
var format = new SimpleDateFormat("s", _locale);
var dateTime = DateTimeEx.GetInstance(_timeZone, _clock.Time());
var dateTimeString = format.Format(dateTime);
_writer.Write(dateTimeString);
_writer.Write(' ');
for (var i = 0; i < CONSOLE_WIDTH - dateTimeString.Length - 1; i++) {
_writer.Write('=');
}
_writer.WriteLine();
foreach (var entry in MetricsRegistry.GroupedMetrics(_predicate)) {
_writer.Write(entry.Key);
_writer.WriteLine(':');
foreach (var subEntry in entry.Value) {
_writer.Write(" ");
_writer.Write(subEntry.Key.Name);
_writer.WriteLine(':');
subEntry.Value.ProcessWith(this, subEntry.Key, _writer);
_writer.WriteLine();
}
_writer.WriteLine();
}
_writer.WriteLine();
_writer.Flush();
}
catch (Exception e) {
_writer.WriteLine(e.StackTrace);
}
}
internal RpcDetailedMetrics(int port)
{
name = "RpcDetailedActivityForPort" + port;
registry = new MetricsRegistry("rpcdetailed").Tag("port", "RPC port", port.ToString
());
Log.Debug(registry.Info());
}
/// <summary>
/// Configure NancyFx integration
/// </summary>
/// <param name="config">Chainable configuration object.</param>
/// <param name="registry">Custom metrics registry.</param>
/// <param name="healthStatus">Custom health checks status</param>
/// <param name="nancyConfig">Action to configure NancyFx integration.</param>
/// <returns>Chainable configuration object.</returns>
public static MetricsConfig WithNancy(this MetricsConfig config, MetricsRegistry registry, Func <HealthStatus> healthStatus,
Action <NancyMetricsConfig> nancyConfig)
{
CurrentConfig = new NancyMetricsConfig(registry, healthStatus);
nancyConfig(CurrentConfig);
return(config);
}
public ModuleConfig(MetricsRegistry registry, Func<HealthStatus> healthStatus, Action<INancyModule> moduleConfig, string metricsPath)
{
this.Registry = registry;
this.HealthStatus = healthStatus;
this.ModuleConfigAction = moduleConfig;
this.ModulePath = metricsPath;
}
public static void RegisterSystemCounters(MetricsRegistry registry)
{
registry.Register("System AvailableRAM", () => new PerformanceCounterGauge("Memory", "Available MBytes"), Unit.Custom("Mb"));
registry.Register("System CPU Usage", () => new PerformanceCounterGauge("Processor", "% Processor Time", TotalInstance), Unit.Custom("%"));
registry.Register("System Disk Writes/sec", () => new DerivedGauge(new PerformanceCounterGauge("PhysicalDisk", "Disk Reads/sec", TotalInstance), f => f / 1024), Unit.Custom("kb/s"));
registry.Register("System Disk Reads/sec", () => new DerivedGauge(new PerformanceCounterGauge("PhysicalDisk", "Disk Writes/sec", TotalInstance), f => f / 1024), Unit.Custom("kb/s"));
}
public static void RegisterSystemCounters(MetricsRegistry registry)
{
registry.Register("System AvailableRAM", () => new PerformanceCounterGauge("Memory", "Available MBytes"), Unit.Custom("Mb"));
registry.Register("System CPU Usage", () => new PerformanceCounterGauge("Processor", "% Processor Time", TotalInstance), Unit.Custom("%"));
registry.Register("System Disk Writes/sec", () => new DerivedGauge(new PerformanceCounterGauge("PhysicalDisk", "Disk Reads/sec", TotalInstance), f => f / 1024), Unit.Custom("kb/s"));
registry.Register("System Disk Reads/sec", () => new DerivedGauge(new PerformanceCounterGauge("PhysicalDisk", "Disk Writes/sec", TotalInstance), f => f / 1024), Unit.Custom("kb/s"));
}
/// <summary>
/// Configure NancyFx integration
/// </summary>
/// <param name="config">Chainable configuration object.</param>
/// <param name="registry">Custom metrics registry.</param>
/// <param name="healthStatus">Custom health checks status</param>
/// <param name="nancyConfig">Action to configure NancyFx integration.</param>
/// <returns>Chainable configuration object.</returns>
public static MetricsConfig WithNancy(this MetricsConfig config, MetricsRegistry registry, Func<HealthStatus> healthStatus,
Action<NancyMetricsConfig> nancyConfig)
{
CurrentConfig = new NancyMetricsConfig(registry, healthStatus);
nancyConfig(CurrentConfig);
return config;
}
public void CompletelyDisableMetrics()
{
if (this.isDisabled)
{
return;
}
this.isDisabled = true;
var oldRegistry = this.registry;
this.registry = new NullMetricsRegistry();
oldRegistry.ClearAllMetrics();
using (oldRegistry as IDisposable) { }
ForAllChildContexts(c => c.Advanced.CompletelyDisableMetrics());
if (this.ContextShuttingDown != null)
{
this.ContextShuttingDown(this, EventArgs.Empty);
}
if (this.ContextDisabled != null)
{
this.ContextDisabled(this, EventArgs.Empty);
}
}
public BaseMetricsContext(string context, MetricsRegistry registry, MetricsBuilder metricsBuilder)
{
this.context = context;
this.registry = registry;
this.metricsBuilder = metricsBuilder;
this.DataProvider = new DefaultDataProvider(this.context, this.registry.DataProvider, () => this.childContexts.Values.Select(c => c.DataProvider));
}
public void Add(string contextName, MetricsRegistry registry)
{
if (!this.cntxtRegistry.ContainsKey(contextName))
{
this.cntxtRegistry.Add(contextName, registry);
}
}
public MetricsHttpListener(string listenerUriPrefix, MetricsRegistry registry, Func <HealthStatus> healthStatus)
{
this.httpListener = new HttpListener();
this.httpListener.Prefixes.Add(listenerUriPrefix);
this.registry = registry;
this.healthStatus = healthStatus;
}
/// <summary>
/// Creates a new <seealso cref="ConsoleReporter" /> for a given metrics registry.
/// </summary>
/// <param name="metricsRegistry">the metrics registry</param>
/// <param name="writer">the <seealso cref="TextWriter" /> to which output will be written</param>
/// <param name="predicate">
/// the <seealso cref="MetricPredicate" /> used to determine whether a metric will be output
/// </param>
public ConsoleReporter(
MetricsRegistry metricsRegistry,
TextWriter writer,
MetricPredicate predicate)
: this(metricsRegistry, writer, predicate, Clock.DefaultClock, TimeZoneInfo.Utc)
{
}
public async Task <ActionResult <object> > GetFeatureLookup([FromQuery] FeatureRequestModel request)
{
_metrics.Measure.Counter.Increment(MetricsRegistry.GetFeatureLookupCounter);
if (string.IsNullOrEmpty(request?.Key) || !Enum.IsDefined(typeof(ShapeProperties), request.Key))
{
return(BadRequest());
}
var validate = _shapeServiceResolver(ShapeProperties.BoroughBoundaries.ToString()).GetFeatureLookup(request.X, request.Y);
if (validate == null)
{
return(NoContent());
}
var results = _shapeServiceResolver(request.Key).GetFeatureLookup(request.X, request.Y);
if (results == null)
{
return(NotFound());
}
_metrics.Measure.Counter.Increment(MetricsRegistry.GetFeatureTypeLookupCounter(request.Key));
return(await Task.FromResult(Ok(results)));
}
public ScheduledReporter(string name, Func<Reporter> reporter, MetricsRegistry registry, Func<HealthStatus> healthStatus, TimeSpan interval, Scheduler scheduler)
{
this.reporter = reporter;
this.registry = registry;
this.healthStatus = healthStatus;
this.interval = interval;
this.scheduler = scheduler;
}
public ScheduledReporter(string name, Func <Reporter> reporter, MetricsRegistry registry, Func <HealthStatus> healthStatus, TimeSpan interval, Scheduler scheduler)
{
this.reporter = reporter;
this.registry = registry;
this.healthStatus = healthStatus;
this.interval = interval;
this.scheduler = scheduler;
}
private static void AddMetrics(MetricsRegistry registry)
{
var name = "Test";
registry.Gauge(name, () => 0.0, Unit.Calls);
registry.Counter(name, Unit.Calls);
registry.Meter(name, Unit.Calls, TimeUnit.Seconds);
registry.Histogram(name, Unit.Calls, SamplingType.FavourRecent);
registry.Timer(name, Unit.Calls, SamplingType.FavourRecent, TimeUnit.Seconds, TimeUnit.Milliseconds);
}
internal RetryCacheMetrics(RetryCache retryCache)
{
name = "RetryCache." + retryCache.GetCacheName();
registry = new MetricsRegistry(name);
if (Log.IsDebugEnabled())
{
Log.Debug("Initialized " + registry);
}
}
/// <summary>
/// Creates a new <seealso cref="ConsoleReporter" /> for a given metrics registry.
/// </summary>
/// <param name="metricsRegistry">the metrics registry</param>
/// <param name="writer">the <seealso cref="TextWriter" /> to which output will be written</param>
/// <param name="predicate">
/// the <seealso cref="MetricPredicate" /> used to determine whether a metric will be output
/// </param>
/// <param name="clock">the <seealso cref="Clock" /> used to print time</param>
/// <param name="timeZone">the <seealso cref="TimeZone" /> used to print time</param>
public ConsoleReporter(
MetricsRegistry metricsRegistry,
TextWriter writer,
MetricPredicate predicate,
Clock clock,
TimeZoneInfo timeZone)
: this(metricsRegistry, writer, predicate, clock, timeZone, CultureInfo.CurrentCulture)
{
}
private static void AddMetrics(MetricsRegistry registry)
{
var name = "Test";
registry.Gauge(name, () => 0.0, Unit.Calls);
registry.Counter(name, Unit.Calls);
registry.Meter(name, Unit.Calls, TimeUnit.Seconds);
registry.Histogram(name, Unit.Calls, SamplingType.FavourRecent);
registry.Timer(name, Unit.Calls, SamplingType.FavourRecent, TimeUnit.Seconds, TimeUnit.Milliseconds);
}
private static void RegisterMetrics()
{
registry = new MetricsRegistry(RecordInfo);
registry.Tag(RecordInfo, "ResourceManager");
MetricsSystem ms = DefaultMetricsSystem.Instance();
if (ms != null)
{
ms.Register("ClusterMetrics", "Metrics for the Yarn Cluster", Instance);
}
}
private FSOpDurations()
{
registry = new MetricsRegistry(RecordInfo);
registry.Tag(RecordInfo, "FSOpDurations");
MetricsSystem ms = DefaultMetricsSystem.Instance();
if (ms != null)
{
ms.Register(RecordInfo.Name(), RecordInfo.Description(), this);
}
}
/// <summary>
/// Enables the console reporter for the given metrics registry, and causes it to print to STDOUT
/// with the specified period and unrestricted output.
/// </summary>
/// <param name="metricsRegistry">the metrics registry</param>
/// <param name="period">the period between successive outputs</param>
/// <param name="unit">the time unit of {@code period}</param>
public static void Enable(
MetricsRegistry metricsRegistry,
long period,
TimeUnit unit)
{
var reporter = new ConsoleReporter(
metricsRegistry,
Console.Out,
AnyMetricPredicate.INSTANCE);
reporter.Start(period, unit);
}
private static void WriteTextMetrics(HttpListenerContext context, MetricsRegistry registry, Func <HealthStatus> healthStatus)
{
context.Response.ContentType = "text/plain";
context.Response.StatusCode = 200;
context.Response.StatusDescription = "OK";
using (var writer = new StreamWriter(context.Response.OutputStream))
{
writer.Write(RegistrySerializer.GetAsHumanReadable(registry, healthStatus));
}
context.Response.Close();
}
public static string GetAsJson(MetricsRegistry registry)
{
return new JsonFormatter()
.AddTimestamp(Clock.Default)
.AddObject(registry.Gauges)
.AddObject(registry.Counters)
.AddObject(registry.Meters)
.AddObject(registry.Histograms)
.AddObject(registry.Timers)
.GetJson();
}
public static string GetAsJson(MetricsRegistry registry)
{
return(new JsonFormatter()
.AddTimestamp(Clock.Default)
.AddObject(registry.Gauges)
.AddObject(registry.Counters)
.AddObject(registry.Meters)
.AddObject(registry.Histograms)
.AddObject(registry.Timers)
.GetJson());
}
public static void RegisterCLRAppCounters(MetricsRegistry registry)
{
var app = Process.GetCurrentProcess().ProcessName;
registry.Register("Mb in all Heaps", () => new DerivedGauge(new PerformanceCounterGauge(Memory, "# Bytes in all Heaps", app), v => v / (1024 * 1024)), Unit.Custom("Mb"));
registry.Register("Time in GC", () => new PerformanceCounterGauge(Memory, "% Time in GC", app), Unit.Custom("%"));
registry.Register("Total Exceptions", () => new PerformanceCounterGauge(Exceptions, "# of Exceps Thrown", app), Unit.Custom("Exceptions"));
registry.Register("Exceptions Thrown / Sec", () => new PerformanceCounterGauge(Exceptions, "# of Exceps Thrown / Sec", app), Unit.Custom("Exceptions/s"));
registry.Register("Logical Threads", () => new PerformanceCounterGauge(LocksAndThreads, "# of current logical Threads", app), Unit.Custom("Threads"));
registry.Register("Physical Threads", () => new PerformanceCounterGauge(LocksAndThreads, "# of current physical Threads", app), Unit.Custom("Threads"));
registry.Register("Contention Rate / Sec", () => new PerformanceCounterGauge(LocksAndThreads, "Contention Rate / Sec", app), Unit.Custom("Attempts/s"));
registry.Register("Queue Length / sec", () => new PerformanceCounterGauge(LocksAndThreads, "Queue Length / sec", app), Unit.Custom("Threads/s"));
}
public static async Task <IForwarder> Create(IConfiguration configuration, string sectionName = null)
{
var options = configuration.GetSection(sectionName ?? DefaultConfigurationSectionName).Get <ServiceAgentOptions>();
var logger = LoggerBuilder.Initialize(configuration);
var metricsRegistry = MetricsRegistry.CreateRoot(configuration);
var forwarders = await BuildServiceForwarders(logger, metricsRegistry, options);
return(new ServiceForwarderHost(metricsRegistry, forwarders));
}
protected internal QueueMetrics(MetricsSystem ms, string queueName, Queue parent,
bool enableUserMetrics, Configuration conf)
{
registry = new MetricsRegistry(RecordInfo);
this.queueName = queueName;
this.parent = parent != null?parent.GetMetrics() : null;
this.users = enableUserMetrics ? new Dictionary <string, Org.Apache.Hadoop.Yarn.Server.Resourcemanager.Scheduler.QueueMetrics
>() : null;
metricsSystem = ms;
this.conf = conf;
runningTime = BuildBuckets(conf);
}
public static void RegisterCLRAppCounters(MetricsRegistry registry)
{
var app = Process.GetCurrentProcess().ProcessName;
registry.Register("Mb in all Heaps", () => new DerivedGauge(new PerformanceCounterGauge(Memory, "# Bytes in all Heaps", app), v => v / (1024 * 1024)), Unit.Custom("Mb"));
registry.Register("Time in GC", () => new PerformanceCounterGauge(Memory, "% Time in GC", app), Unit.Custom("%"));
registry.Register("Total Exceptions", () => new PerformanceCounterGauge(Exceptions, "# of Exceps Thrown", app), Unit.Custom("Exceptions"));
registry.Register("Exceptions Thrown / Sec", () => new PerformanceCounterGauge(Exceptions, "# of Exceps Thrown / Sec", app), Unit.Custom("Exceptions/s"));
registry.Register("Logical Threads", () => new PerformanceCounterGauge(LocksAndThreads, "# of current logical Threads", app), Unit.Custom("Threads"));
registry.Register("Physical Threads", () => new PerformanceCounterGauge(LocksAndThreads, "# of current physical Threads", app), Unit.Custom("Threads"));
registry.Register("Contention Rate / Sec", () => new PerformanceCounterGauge(LocksAndThreads, "Contention Rate / Sec", app), Unit.Custom("Attempts/s"));
registry.Register("Queue Length / sec", () => new PerformanceCounterGauge(LocksAndThreads, "Queue Length / sec", app), Unit.Custom("Threads/s"));
}
public static async Task <ServiceForwarder> Create(ILogger logger, MetricsRegistry metricsRegistry, ServiceNamespaceOptions serviceNamespace, string entityPath)
{
var forwarderIdx = Interlocked.Increment(ref _idx);
var endpointVia = new UriBuilder("sb", serviceNamespace.ServiceNamespace, -1, entityPath).Uri;
var tokenProvider = TokenProvider.CreateSharedAccessSignatureTokenProvider(serviceNamespace.AccessRuleName, serviceNamespace.AccessRuleKey);
var relayListener = new HybridConnectionListener(endpointVia, tokenProvider);
var metadata = await RelayMetadata.Parse(logger, relayListener);
return(new ServiceForwarder(logger, metricsRegistry, forwarderIdx, relayListener, metadata, entityPath));
}
public static ClientForwarderHost Create(IConfiguration configuration)
{
var options = configuration.GetSection("PortBridge").Get <ClientAgentOptions>();
var logger = LoggerBuilder.Initialize(configuration);
logger.Information("Building Client Forwarders");
var metricsRegistry = MetricsRegistry.CreateRoot(configuration);
var forwarders = BuildPortForwarders(logger, metricsRegistry, options);
return(new ClientForwarderHost(metricsRegistry, forwarders));
}
public ClientTcpForwarder(ILogger logger, MetricsRegistry registry, ServiceNamespaceOptions serviceNamespace, int fromPort, PortMappingOptions portMappings)
{
_log = logger.ForContext(GetType());
_firewallRules = new FirewallRules(portMappings);
_fromPort = fromPort;
_bindTo = portMappings.BindToAddress;
var metrics = new TunnelMetrics(registry, new MetricTags(
new [] { "entityPath", "fromPort" }, new [] { portMappings.EntityPath, fromPort.ToString() }));
_relayFactory = new RelayTunnelFactory(logger, metrics, serviceNamespace, portMappings);
_log.Information("TCP Forwarder for port {port} initialized", fromPort);
}
private ServiceForwarder(ILogger logger, MetricsRegistry registry, int forwarderIdx, HybridConnectionListener listener, RelayMetadata metadata, string entityPath)
{
_log = logger.ForContext(GetType());
_forwarderIdx = forwarderIdx;
_relayListener = listener;
_metadata = metadata;
var tags = new MetricTags(nameof(entityPath), entityPath);
var metrics = new TunnelMetrics(registry, tags);
_tunnelFactory = new RelayTunnelFactory(logger, metrics);
}
/// <summary>
/// Configure the Metrics library to use a custom MetricsRegistry.
/// </summary>
/// <remarks>
/// You must call Metric.Config.WithRegistry before any other Metric call.
/// </remarks>
/// <param name="registry">The custom registry to use for registering metrics.</param>
/// <returns>Chainable configuration object.</returns>
public MetricsConfig WithRegistry(MetricsRegistry registry)
{
if (this.isDisabled)
{
return this;
}
if (this.registry.IsValueCreated)
{
throw new InvalidOperationException("Metrics registry has already been created. You must call Metric.Config.WithRegistry before any other Metric call.");
}
this.registry = new Lazy<MetricsRegistry>(() => registry);
return this;
}
public static object GetForSerialization(MetricsRegistry registry)
{
return new
{
Gauges = registry.Gauges.ToDictionary(g => g.Name, g => g.Value),
Counters = registry.Counters.ToDictionary(c => c.Name, c => c.Value),
Meters = registry.Meters.ToDictionary(m => m.Name, m => m.Value.Scale(m.RateUnit)),
Histograms = registry.Histograms.ToDictionary(h => h.Name, h => h.Value),
Timers = registry.Timers.ToDictionary(t => t.Name, t => t.Value.Scale(t.RateUnit, t.DurationUnit)),
Units = new
{
Gauges = registry.Gauges.ToDictionary(g => g.Name, g => g.Unit.Name),
Counters = registry.Counters.ToDictionary(c => c.Name, c => c.Unit.Name),
Meters = registry.Meters.ToDictionary(m => m.Name, m => string.Format("{0}/{1}", m.Unit.Name, m.RateUnit.Unit())),
Histograms = registry.Histograms.ToDictionary(h => h.Name, h => h.Unit.Name),
Timers = registry.Timers.ToDictionary(t => t.Name, t => new
{
Rate = string.Format("{0}/{1}", t.Unit.Name, t.RateUnit.Unit()),
Duration = t.DurationUnit.Unit()
})
}
};
}
public MetricsEndpointMiddleware(OwinMetricsEndpointConfig endpointConfig, MetricsRegistry registry, Func<HealthStatus> healthStatus)
{
this.endpointConfig = endpointConfig;
this.registry = registry;
this.healthStatus = healthStatus;
}
public OwinRequestMetricsConfig( Action<object> middlewareRegistration, MetricsRegistry metricsRegistry)
{
this.middlewareRegistration = middlewareRegistration;
this.metricsRegistry = metricsRegistry;
this.MetricsPrefix = "Owin";
}
public NancyGlobalMetrics(MetricsRegistry repository)
{
this.registry = repository;
this.MetricsPrefix = "NancyFx";
}
public static void RegisterCLRGlobalCounters(MetricsRegistry registry)
{
registry.Register(".NET Mb in all Heaps", () => new DerivedGauge(new PerformanceCounterGauge(Memory, "# Bytes in all Heaps", GlobalInstance), v => v / (1024 * 1024)), Unit.Custom("Mb"));
registry.Register(".NET Time in GC", () => new PerformanceCounterGauge(Memory, "% Time in GC", GlobalInstance), Unit.Custom("%"));
}
public ErrorMeterMiddleware(MetricsRegistry registry, string metricName)
{
this.errorMeter = registry.Meter(metricName, Unit.Errors, TimeUnit.Seconds);
}
public NancyMetricsConfig(MetricsRegistry metricsRegistry, Func<HealthStatus> healthStatus)
{
this.metricsRegistry = metricsRegistry;
this.healthStatus = healthStatus;
}
public ActiveRequestCounterMiddleware(MetricsRegistry registry, string metricName)
{
this.activeRequests = registry.Counter(metricName, Unit.Custom("ActiveRequests"));
}
public TimerForEachRequestMiddleware(MetricsRegistry registry, string metricPrefix)
{
this.registry = registry;
this.metricPrefix = metricPrefix;
}
public static string GetAsHumanReadable(MetricsRegistry registry, Func<HealthStatus> healthStatus)
{
var report = new StringReporter();
report.RunReport(registry, healthStatus);
return report.Result;
}
private static void WriteJsonMetrics(HttpListenerContext context, MetricsRegistry registry)
{
context.Response.Headers.Add("Access-Control-Allow-Origin", "*");
context.Response.Headers.Add("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
context.Response.ContentType = "application/json";
context.Response.StatusCode = 200;
context.Response.StatusDescription = "OK";
var json = RegistrySerializer.GetAsJson(registry);
using (var writer = new StreamWriter(context.Response.OutputStream))
{
writer.Write(json);
}
context.Response.Close();
}
public OwinMetricsConfig(IAppBuilder app, MetricsRegistry metricsRegistry)
{
this.app = app;
this.metricsRegistry = metricsRegistry;
this.MetricsPrefix = "Owin";
}
/// <summary>
/// Configure NancyFx integration
/// </summary>
/// <param name="config">Chainable configuration object.</param>
/// <param name="registry">Custom metrics registry.</param>
/// <param name="nancyConfig">Action to configure NancyFx integration.</param>
/// <returns>Chainable configuration object.</returns>
public static MetricsConfig WithNancy(this MetricsConfig config, MetricsRegistry registry, Action<NancyMetricsConfig> nancyConfig)
{
return config.WithNancy(registry, config.HealthStatus, nancyConfig);
}
public PostAndPutRequestSizeHistogramMiddleware(MetricsRegistry registry, string metricName)
{
this.histogram = registry.Histogram(metricName, Unit.Bytes, SamplingType.FavourRecent);
}
public MetricsReports(MetricsRegistry metricsRegistry, Func<HealthStatus> healthStatus)
{
this.metricsRegistry = metricsRegistry;
this.healthStatus = healthStatus;
}
public RequestTimerMiddleware(MetricsRegistry registry, string metricName)
{
this.requestTimer = registry.Timer(metricName, Unit.Requests, SamplingType.FavourRecent, TimeUnit.Seconds, TimeUnit.Milliseconds);
}
private static Task GetAsHumanReadable(IDictionary<string, object> environment, MetricsRegistry registry, Func<HealthStatus> healthStatus)
{
var report = new StringReporter();
report.RunReport(registry, healthStatus);
return WriteResponse(environment, report.Result, "text/plain");
}
private static Task GetJsonContent(IDictionary<string, object> environment, MetricsRegistry registry)
{
var content = RegistrySerializer.GetAsJson(registry);
return WriteResponse(environment, content, "application/json");
}
public static void Configure(MetricsRegistry registry, Func<HealthStatus> healthStatus, Action<INancyModule> moduleConfig, string metricsPath)
{
MetricsModule.Config = new ModuleConfig(registry, healthStatus, moduleConfig, metricsPath);
}
public OwinMetricsConfig(Action<object> middlewareRegistration, MetricsRegistry registry, Func<HealthStatus> healthStatus)
{
this.middlewareRegistration = middlewareRegistration;
this.registry = registry;
this.healthStatus = healthStatus;
}
private static void WriteTextMetrics(HttpListenerContext context, MetricsRegistry registry, Func<HealthStatus> healthStatus)
{
context.Response.ContentType = "text/plain";
context.Response.StatusCode = 200;
context.Response.StatusDescription = "OK";
using (var writer = new StreamWriter(context.Response.OutputStream))
{
writer.Write(RegistrySerializer.GetAsHumanReadable(registry, healthStatus));
}
context.Response.Close();
}
