mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-05 00:39:59 +00:00
272 lines
9.8 KiB
Go
272 lines
9.8 KiB
Go
// Copyright The OpenTelemetry Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package metric // import "go.opentelemetry.io/otel/metric"
|
|
|
|
import (
|
|
"context"
|
|
|
|
"go.opentelemetry.io/otel/metric/embedded"
|
|
)
|
|
|
|
// Float64Observable describes a set of instruments used asynchronously to
|
|
// record float64 measurements once per collection cycle. Observations of
|
|
// these instruments are only made within a callback.
|
|
//
|
|
// Warning: Methods may be added to this interface in minor releases.
|
|
type Float64Observable interface {
|
|
Observable
|
|
|
|
float64Observable()
|
|
}
|
|
|
|
// Float64ObservableCounter is an instrument used to asynchronously record
|
|
// increasing float64 measurements once per collection cycle. Observations are
|
|
// only made within a callback for this instrument. The value observed is
|
|
// assumed the to be the cumulative sum of the count.
|
|
//
|
|
// 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 Float64ObservableCounter interface {
|
|
// Users of the interface can ignore this. This embedded type is only used
|
|
// by implementations of this interface. See the "API Implementations"
|
|
// section of the package documentation for more information.
|
|
embedded.Float64ObservableCounter
|
|
|
|
Float64Observable
|
|
}
|
|
|
|
// Float64ObservableCounterConfig contains options for asynchronous counter
|
|
// instruments that record int64 values.
|
|
type Float64ObservableCounterConfig struct {
|
|
description string
|
|
unit string
|
|
callbacks []Float64Callback
|
|
}
|
|
|
|
// NewFloat64ObservableCounterConfig returns a new
|
|
// [Float64ObservableCounterConfig] with all opts applied.
|
|
func NewFloat64ObservableCounterConfig(opts ...Float64ObservableCounterOption) Float64ObservableCounterConfig {
|
|
var config Float64ObservableCounterConfig
|
|
for _, o := range opts {
|
|
config = o.applyFloat64ObservableCounter(config)
|
|
}
|
|
return config
|
|
}
|
|
|
|
// Description returns the configured description.
|
|
func (c Float64ObservableCounterConfig) Description() string {
|
|
return c.description
|
|
}
|
|
|
|
// Unit returns the configured unit.
|
|
func (c Float64ObservableCounterConfig) Unit() string {
|
|
return c.unit
|
|
}
|
|
|
|
// Callbacks returns the configured callbacks.
|
|
func (c Float64ObservableCounterConfig) Callbacks() []Float64Callback {
|
|
return c.callbacks
|
|
}
|
|
|
|
// Float64ObservableCounterOption applies options to a
|
|
// [Float64ObservableCounterConfig]. See [Float64ObservableOption] and
|
|
// [InstrumentOption] for other options that can be used as a
|
|
// Float64ObservableCounterOption.
|
|
type Float64ObservableCounterOption interface {
|
|
applyFloat64ObservableCounter(Float64ObservableCounterConfig) Float64ObservableCounterConfig
|
|
}
|
|
|
|
// Float64ObservableUpDownCounter is an instrument used to asynchronously
|
|
// record float64 measurements once per collection cycle. Observations are only
|
|
// made within a callback for this instrument. The value observed is assumed
|
|
// the to be the cumulative sum of the count.
|
|
//
|
|
// 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 Float64ObservableUpDownCounter interface {
|
|
// Users of the interface can ignore this. This embedded type is only used
|
|
// by implementations of this interface. See the "API Implementations"
|
|
// section of the package documentation for more information.
|
|
embedded.Float64ObservableUpDownCounter
|
|
|
|
Float64Observable
|
|
}
|
|
|
|
// Float64ObservableUpDownCounterConfig contains options for asynchronous
|
|
// counter instruments that record int64 values.
|
|
type Float64ObservableUpDownCounterConfig struct {
|
|
description string
|
|
unit string
|
|
callbacks []Float64Callback
|
|
}
|
|
|
|
// NewFloat64ObservableUpDownCounterConfig returns a new
|
|
// [Float64ObservableUpDownCounterConfig] with all opts applied.
|
|
func NewFloat64ObservableUpDownCounterConfig(opts ...Float64ObservableUpDownCounterOption) Float64ObservableUpDownCounterConfig {
|
|
var config Float64ObservableUpDownCounterConfig
|
|
for _, o := range opts {
|
|
config = o.applyFloat64ObservableUpDownCounter(config)
|
|
}
|
|
return config
|
|
}
|
|
|
|
// Description returns the configured description.
|
|
func (c Float64ObservableUpDownCounterConfig) Description() string {
|
|
return c.description
|
|
}
|
|
|
|
// Unit returns the configured unit.
|
|
func (c Float64ObservableUpDownCounterConfig) Unit() string {
|
|
return c.unit
|
|
}
|
|
|
|
// Callbacks returns the configured callbacks.
|
|
func (c Float64ObservableUpDownCounterConfig) Callbacks() []Float64Callback {
|
|
return c.callbacks
|
|
}
|
|
|
|
// Float64ObservableUpDownCounterOption applies options to a
|
|
// [Float64ObservableUpDownCounterConfig]. See [Float64ObservableOption] and
|
|
// [InstrumentOption] for other options that can be used as a
|
|
// Float64ObservableUpDownCounterOption.
|
|
type Float64ObservableUpDownCounterOption interface {
|
|
applyFloat64ObservableUpDownCounter(Float64ObservableUpDownCounterConfig) Float64ObservableUpDownCounterConfig
|
|
}
|
|
|
|
// Float64ObservableGauge is an instrument used to asynchronously record
|
|
// instantaneous float64 measurements once per collection cycle. Observations
|
|
// are only made within a callback for this instrument.
|
|
//
|
|
// 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 Float64ObservableGauge interface {
|
|
// Users of the interface can ignore this. This embedded type is only used
|
|
// by implementations of this interface. See the "API Implementations"
|
|
// section of the package documentation for more information.
|
|
embedded.Float64ObservableGauge
|
|
|
|
Float64Observable
|
|
}
|
|
|
|
// Float64ObservableGaugeConfig contains options for asynchronous counter
|
|
// instruments that record int64 values.
|
|
type Float64ObservableGaugeConfig struct {
|
|
description string
|
|
unit string
|
|
callbacks []Float64Callback
|
|
}
|
|
|
|
// NewFloat64ObservableGaugeConfig returns a new [Float64ObservableGaugeConfig]
|
|
// with all opts applied.
|
|
func NewFloat64ObservableGaugeConfig(opts ...Float64ObservableGaugeOption) Float64ObservableGaugeConfig {
|
|
var config Float64ObservableGaugeConfig
|
|
for _, o := range opts {
|
|
config = o.applyFloat64ObservableGauge(config)
|
|
}
|
|
return config
|
|
}
|
|
|
|
// Description returns the configured description.
|
|
func (c Float64ObservableGaugeConfig) Description() string {
|
|
return c.description
|
|
}
|
|
|
|
// Unit returns the configured unit.
|
|
func (c Float64ObservableGaugeConfig) Unit() string {
|
|
return c.unit
|
|
}
|
|
|
|
// Callbacks returns the configured callbacks.
|
|
func (c Float64ObservableGaugeConfig) Callbacks() []Float64Callback {
|
|
return c.callbacks
|
|
}
|
|
|
|
// Float64ObservableGaugeOption applies options to a
|
|
// [Float64ObservableGaugeConfig]. See [Float64ObservableOption] and
|
|
// [InstrumentOption] for other options that can be used as a
|
|
// Float64ObservableGaugeOption.
|
|
type Float64ObservableGaugeOption interface {
|
|
applyFloat64ObservableGauge(Float64ObservableGaugeConfig) Float64ObservableGaugeConfig
|
|
}
|
|
|
|
// Float64Observer is a recorder of float64 measurements.
|
|
//
|
|
// 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 Float64Observer interface {
|
|
// Users of the interface can ignore this. This embedded type is only used
|
|
// by implementations of this interface. See the "API Implementations"
|
|
// section of the package documentation for more information.
|
|
embedded.Float64Observer
|
|
|
|
// Observe records the float64 value.
|
|
//
|
|
// Use the WithAttributeSet (or, if performance is not a concern,
|
|
// the WithAttributes) option to include measurement attributes.
|
|
Observe(value float64, options ...ObserveOption)
|
|
}
|
|
|
|
// Float64Callback is a function registered with a Meter that makes
|
|
// observations for a Float64Observerable instrument it is registered with.
|
|
// Calls to the Float64Observer record measurement values for the
|
|
// Float64Observable.
|
|
//
|
|
// The function needs to complete in a finite amount of time and the deadline
|
|
// of the passed context is expected to be honored.
|
|
//
|
|
// The function needs to make unique observations across all registered
|
|
// Float64Callbacks. Meaning, it should not report measurements with the same
|
|
// attributes as another Float64Callbacks also registered for the same
|
|
// instrument.
|
|
//
|
|
// The function needs to be concurrent safe.
|
|
type Float64Callback func(context.Context, Float64Observer) error
|
|
|
|
// Float64ObservableOption applies options to float64 Observer instruments.
|
|
type Float64ObservableOption interface {
|
|
Float64ObservableCounterOption
|
|
Float64ObservableUpDownCounterOption
|
|
Float64ObservableGaugeOption
|
|
}
|
|
|
|
type float64CallbackOpt struct {
|
|
cback Float64Callback
|
|
}
|
|
|
|
func (o float64CallbackOpt) applyFloat64ObservableCounter(cfg Float64ObservableCounterConfig) Float64ObservableCounterConfig {
|
|
cfg.callbacks = append(cfg.callbacks, o.cback)
|
|
return cfg
|
|
}
|
|
|
|
func (o float64CallbackOpt) applyFloat64ObservableUpDownCounter(cfg Float64ObservableUpDownCounterConfig) Float64ObservableUpDownCounterConfig {
|
|
cfg.callbacks = append(cfg.callbacks, o.cback)
|
|
return cfg
|
|
}
|
|
|
|
func (o float64CallbackOpt) applyFloat64ObservableGauge(cfg Float64ObservableGaugeConfig) Float64ObservableGaugeConfig {
|
|
cfg.callbacks = append(cfg.callbacks, o.cback)
|
|
return cfg
|
|
}
|
|
|
|
// WithFloat64Callback adds callback to be called for an instrument.
|
|
func WithFloat64Callback(callback Float64Callback) Float64ObservableOption {
|
|
return float64CallbackOpt{callback}
|
|
}
|