touchhttp

type ClientBundle struct {
	// Count describes the options used for the total request counter
	Count prometheus.CounterOpts

	// InFlight describes the options used for the instaneous request gauge
	InFlight prometheus.GaugeOpts

	// RequestSize describes the options for the request size observer.  A panic
	// will result if this field is not nil, a prometheus.HistogramOpts, or
	// a prometheus.SummaryOpts.
	RequestSize interface{}

	// Duration describes the options for the request duration observer.  A panic
	// will result if this field is not either a prometheus.HistogramOpts or a prometheus.SummaryOpts.
	Duration interface{}

	// ErrorCount describes the options for the error counter.
	ErrorCount prometheus.CounterOpts

	// Now is the strategy for extracting the current system time.  If unset,
	// time.Now is used.
	Now func() time.Time
}

type ClientInstrumenter struct {
	// contains filtered or unexported fields
}

type Config struct {
	// ErrorHandling is the promhttp.HandlerErrorHandling value.  If this field
	// is unset, promhttp.HTTPErrorOnError is used.
	//
	// See: https://pkgo.dev/github.com/prometheus/client_golang/prometheus/promhttp#HandlerErrorHandling
	ErrorHandling string `json:"errorHandling" yaml:"errorHandling"`

	// DisableCompression disables compression on metrics output.
	DisableCompression bool `json:"disableCompression" yaml:"disableCompression"`

	// MaxRequestsInFlight controls the number of concurrent HTTP metrics requests.
	MaxRequestsInFlight int `json:"maxRequestsInFlight" yaml:"maxRequestsInFlight"`

	// Timeout is the time period after which the handler will return a 503.
	Timeout time.Duration `json:"timeout" yaml:"timeout"`

	// EnableOpenMetrics controls whether open metrics encoding is available
	// during content negotiation.
	EnableOpenMetrics bool `json:"enableOpenMetrics" yaml:"enableOpenMetrics"`

	// InstrumentMetricHandler indicates whether the http.Handler that renders
	// prometheus metrics will itself be decorated with metrics.
	//
	// See: https://pkgo.dev/github.com/prometheus/client_golang/prometheus/promhttp#InstrumentMetricHandler
	InstrumentMetricHandler bool `json:"instrumentMetricHandler" yaml:"instrumentMetricHandler"`
}

type ErrorPrinter struct {
	fx.Printer
}

type Handler http.Handler

type In struct {
	fx.In

	// Config is the prometheus configuration.  This is optional,
	// as a zero value for Config will result in a default environment.
	Config Config `optional:"true"`

	// Printer is the fx.Printer to which this package writes messages.
	// This is optional, and if unset no messages are written.
	Printer fx.Printer `optional:"true"`

	// Now is the optional current time function.  If supplied, this
	// will be used for computing metric durations.
	Now func() time.Time `optional:"true"`
}

type InvalidErrorHandlingError struct {
	// Value is the unrecognized Config.ErrorHandling value.
	Value string
}

type Labels prometheus.Labels

type ServerBundle struct {
	// Count describes the options used for the total request counter
	Count prometheus.CounterOpts

	// InFlight describes the options used for the instaneous request gauge
	InFlight prometheus.GaugeOpts

	// RequestSize describes the options for the request size observer.  If this
	// field is set, it must be either a prometheus.HistogramOpts or a prometheus.SummaryOpts.
	// The type of Opts struct will determine the type of metric created.
	RequestSize interface{}

	// Duration describes the options for the request duration observer.  If this field is
	// set, it must be either a prometheus.HistogramOpts or a prometheus.SummaryOpts.
	// The type of Opts struct will determine the type of metric created.
	Duration interface{}

	// Now is the strategy for extracting the current system time.  If unset,
	// time.Now is used.
	Now func() time.Time
}

type ServerInstrumenter struct {
	// contains filtered or unexported fields
}

type ServerInstrumenterIn struct {
	fx.In

	// Factory is the required touchstone Factory instance.
	Factory *touchstone.Factory

	// Bundle is the optional ServerBundle supplied in the application.
	// If not present, the default metrics are used.
	Bundle ServerBundle `optional:"true"`
}