[bugfix] Downstep otel to fix freebsd compile issue (#1773)

https://github.com/open-telemetry/opentelemetry-go/issues/4076
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tobi 2023-05-12 14:55:18 +02:00 committed by GitHub
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70 changed files with 1097 additions and 3138 deletions

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@ -17,91 +17,80 @@ package metric // import "go.opentelemetry.io/otel/metric"
import (
"context"
"go.opentelemetry.io/otel/metric/embedded"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/metric/instrument"
)
// MeterProvider provides access to named Meter instances, for instrumenting
// an application or package.
// an application or library.
//
// Warning: Methods may be added to this interface in minor releases. See
// package documentation on API implementation for information on how to set
// default behavior for unimplemented methods.
// Warning: methods may be added to this interface in minor releases.
type MeterProvider interface {
embedded.MeterProvider
// Meter returns a new Meter with the provided name and configuration.
//
// A Meter should be scoped at most to a single package. The name needs to
// be unique so it does not collide with other names used by
// an application, nor other applications. To achieve this, the import path
// of the instrumentation package is recommended to be used as name.
//
// If the name is empty, then an implementation defined default name will
// be used instead.
// Meter creates an instance of a `Meter` interface. The name must be the
// name of the library providing instrumentation. This name may be the same
// as the instrumented code only if that code provides built-in
// instrumentation. If the name is empty, then a implementation defined
// default name will be used instead.
Meter(name string, opts ...MeterOption) Meter
}
// Meter provides access to instrument instances for recording metrics.
//
// Warning: Methods may be added to this interface in minor releases. See
// package documentation on API implementation for information on how to set
// default behavior for unimplemented methods.
// Warning: methods may be added to this interface in minor releases.
type Meter interface {
embedded.Meter
// Int64Counter returns a new instrument identified by name and configured
// with options. The instrument is used to synchronously record increasing
// int64 measurements during a computational operation.
Int64Counter(name string, options ...Int64CounterOption) (Int64Counter, error)
Int64Counter(name string, options ...instrument.Int64Option) (instrument.Int64Counter, error)
// Int64UpDownCounter returns a new instrument identified by name and
// configured with options. The instrument is used to synchronously record
// int64 measurements during a computational operation.
Int64UpDownCounter(name string, options ...Int64UpDownCounterOption) (Int64UpDownCounter, error)
Int64UpDownCounter(name string, options ...instrument.Int64Option) (instrument.Int64UpDownCounter, error)
// Int64Histogram returns a new instrument identified by name and
// configured with options. The instrument is used to synchronously record
// the distribution of int64 measurements during a computational operation.
Int64Histogram(name string, options ...Int64HistogramOption) (Int64Histogram, error)
Int64Histogram(name string, options ...instrument.Int64Option) (instrument.Int64Histogram, error)
// Int64ObservableCounter returns a new instrument identified by name and
// configured with options. The instrument is used to asynchronously record
// increasing int64 measurements once per a measurement collection cycle.
Int64ObservableCounter(name string, options ...Int64ObservableCounterOption) (Int64ObservableCounter, error)
Int64ObservableCounter(name string, options ...instrument.Int64ObserverOption) (instrument.Int64ObservableCounter, error)
// Int64ObservableUpDownCounter returns a new instrument identified by name
// and configured with options. The instrument is used to asynchronously
// record int64 measurements once per a measurement collection cycle.
Int64ObservableUpDownCounter(name string, options ...Int64ObservableUpDownCounterOption) (Int64ObservableUpDownCounter, error)
Int64ObservableUpDownCounter(name string, options ...instrument.Int64ObserverOption) (instrument.Int64ObservableUpDownCounter, error)
// Int64ObservableGauge returns a new instrument identified by name and
// configured with options. The instrument is used to asynchronously record
// instantaneous int64 measurements once per a measurement collection
// cycle.
Int64ObservableGauge(name string, options ...Int64ObservableGaugeOption) (Int64ObservableGauge, error)
Int64ObservableGauge(name string, options ...instrument.Int64ObserverOption) (instrument.Int64ObservableGauge, error)
// Float64Counter returns a new instrument identified by name and
// configured with options. The instrument is used to synchronously record
// increasing float64 measurements during a computational operation.
Float64Counter(name string, options ...Float64CounterOption) (Float64Counter, error)
Float64Counter(name string, options ...instrument.Float64Option) (instrument.Float64Counter, error)
// Float64UpDownCounter returns a new instrument identified by name and
// configured with options. The instrument is used to synchronously record
// float64 measurements during a computational operation.
Float64UpDownCounter(name string, options ...Float64UpDownCounterOption) (Float64UpDownCounter, error)
Float64UpDownCounter(name string, options ...instrument.Float64Option) (instrument.Float64UpDownCounter, error)
// Float64Histogram returns a new instrument identified by name and
// configured with options. The instrument is used to synchronously record
// the distribution of float64 measurements during a computational
// operation.
Float64Histogram(name string, options ...Float64HistogramOption) (Float64Histogram, error)
Float64Histogram(name string, options ...instrument.Float64Option) (instrument.Float64Histogram, error)
// Float64ObservableCounter returns a new instrument identified by name and
// configured with options. The instrument is used to asynchronously record
// increasing float64 measurements once per a measurement collection cycle.
Float64ObservableCounter(name string, options ...Float64ObservableCounterOption) (Float64ObservableCounter, error)
Float64ObservableCounter(name string, options ...instrument.Float64ObserverOption) (instrument.Float64ObservableCounter, error)
// Float64ObservableUpDownCounter returns a new instrument identified by
// name and configured with options. The instrument is used to
// asynchronously record float64 measurements once per a measurement
// collection cycle.
Float64ObservableUpDownCounter(name string, options ...Float64ObservableUpDownCounterOption) (Float64ObservableUpDownCounter, error)
Float64ObservableUpDownCounter(name string, options ...instrument.Float64ObserverOption) (instrument.Float64ObservableUpDownCounter, error)
// Float64ObservableGauge returns a new instrument identified by name and
// configured with options. The instrument is used to asynchronously record
// instantaneous float64 measurements once per a measurement collection
// cycle.
Float64ObservableGauge(name string, options ...Float64ObservableGaugeOption) (Float64ObservableGauge, error)
Float64ObservableGauge(name string, options ...instrument.Float64ObserverOption) (instrument.Float64ObservableGauge, error)
// RegisterCallback registers f to be called during the collection of a
// measurement cycle.
@ -114,12 +103,12 @@ type Meter interface {
//
// If no instruments are passed, f should not be registered nor called
// during collection.
RegisterCallback(f Callback, instruments ...Observable) (Registration, error)
RegisterCallback(f Callback, instruments ...instrument.Asynchronous) (Registration, error)
}
// Callback is a function registered with a Meter that makes observations for
// the set of instruments it is registered with. The Observer parameter is used
// to record measurement observations for these instruments.
// to record measurment observations for these instruments.
//
// The function needs to complete in a finite amount of time and the deadline
// of the passed context is expected to be honored.
@ -132,28 +121,16 @@ type Meter interface {
type Callback func(context.Context, Observer) error
// Observer records measurements for multiple instruments in a Callback.
//
// Warning: Methods may be added to this interface in minor releases. See
// package documentation on API implementation for information on how to set
// default behavior for unimplemented methods.
type Observer interface {
embedded.Observer
// ObserveFloat64 records the float64 value for obsrv.
ObserveFloat64(obsrv Float64Observable, value float64, opts ...ObserveOption)
// ObserveInt64 records the int64 value for obsrv.
ObserveInt64(obsrv Int64Observable, value int64, opts ...ObserveOption)
// ObserveFloat64 records the float64 value with attributes for obsrv.
ObserveFloat64(obsrv instrument.Float64Observable, value float64, attributes ...attribute.KeyValue)
// ObserveInt64 records the int64 value with attributes for obsrv.
ObserveInt64(obsrv instrument.Int64Observable, value int64, attributes ...attribute.KeyValue)
}
// Registration is an token representing the unique registration of a callback
// for a set of instruments with a Meter.
//
// Warning: Methods may be added to this interface in minor releases. See
// package documentation on API implementation for information on how to set
// default behavior for unimplemented methods.
type Registration interface {
embedded.Registration
// Unregister removes the callback registration from a Meter.
//
// This method needs to be idempotent and concurrent safe.