structs

package
v0.10.0-beta1 Latest Latest
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 Go to latest Published: Sep 6, 2019 License: MPL-2.0 Imports: 11 Imported by: 0

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Index

Constants

View Source 
const (
	// Binary SI Byte Units
	UnitKiB = "KiB"
	UnitMiB = "MiB"
	UnitGiB = "GiB"
	UnitTiB = "TiB"
	UnitPiB = "PiB"
	UnitEiB = "EiB"

	// Decimal SI Byte Units
	UnitkB = "kB"
	UnitKB = "KB"
	UnitMB = "MB"
	UnitGB = "GB"
	UnitTB = "TB"
	UnitPB = "PB"
	UnitEB = "EB"

	// Binary SI Byte Rates
	UnitKiBPerS = "KiB/s"
	UnitMiBPerS = "MiB/s"
	UnitGiBPerS = "GiB/s"
	UnitTiBPerS = "TiB/s"
	UnitPiBPerS = "PiB/s"
	UnitEiBPerS = "EiB/s"

	// Decimal SI Byte Rates
	UnitkBPerS = "kB/s"
	UnitKBPerS = "KB/s"
	UnitMBPerS = "MB/s"
	UnitGBPerS = "GB/s"
	UnitTBPerS = "TB/s"
	UnitPBPerS = "PB/s"
	UnitEBPerS = "EB/s"

	// Hertz units
	UnitMHz = "MHz"
	UnitGHz = "GHz"

	// Watts units
	UnitmW = "mW"
	UnitW  = "W"
	UnitkW = "kW"
	UnitMW = "MW"
	UnitGW = "GW"
)

Variables

View Source 
var (

	// UnitIndex is a map of unit name to unit
	UnitIndex = make(map[string]*Unit, numUnits)
)

Functions

func ConvertProtoAttributeMap 

func ConvertProtoAttributeMap(in map[string]*proto.Attribute) map[string]*Attribute

func ConvertStructAttributeMap 

func ConvertStructAttributeMap(in map[string]*Attribute) map[string]*proto.Attribute

func ConvertStructStatObject 

func ConvertStructStatObject(in *StatObject) *proto.StatObject

ConvertStructStatObject converts between a struct and proto StatObject

func ConvertStructStatValue 

func ConvertStructStatValue(in *StatValue) *proto.StatValue

ConvertStructStatValue converts between a struct and proto StatValue

func ConvertStructsAttribute 

func ConvertStructsAttribute(in *Attribute) *proto.Attribute

func CopyMapStringAttribute 

func CopyMapStringAttribute(in map[string]*Attribute) map[string]*Attribute

CopyMapStringAttribute copies a map of string to Attribute

func Pow 

func Pow(a, b int64) int64

func ReattachConfigToGoPlugin 

func ReattachConfigToGoPlugin(rc *ReattachConfig) (*plugin.ReattachConfig, error)

ReattachConfigToGoPlugin converts a ReattachConfig wrapper struct into a go plugin ReattachConfig struct

Types

type Attribute 

type Attribute struct {
	// Float is the float value for the attribute
	Float *float64

	// Int is the int value for the attribute
	Int *int64

	// String is the string value for the attribute
	String *string

	// Bool is the bool value for the attribute
	Bool *bool

	// Unit is the optional unit for the set int or float value
	Unit string
}

Attribute is used to describe the value of an attribute, optionally specifying units

func ConvertProtoAttribute 

func ConvertProtoAttribute(in *proto.Attribute) *Attribute

func NewBoolAttribute 

func NewBoolAttribute(b bool) *Attribute

NewBoolAttribute returns a new boolean attribute.

func NewFloatAttribute 

func NewFloatAttribute(f float64, unit string) *Attribute

NewFloatAttribute returns a new float attribute. The unit is not checked to be valid.

func NewIntAttribute 

func NewIntAttribute(i int64, unit string) *Attribute

NewIntergerAttribute returns a new integer attribute. The unit is not checked to be valid.

func NewStringAttribute 

func NewStringAttribute(s string) *Attribute

NewStringAttribute returns a new string attribute.

func ParseAttribute 

func ParseAttribute(input string) *Attribute

ParseAttribute takes a string and parses it into an attribute, pulling out units if they are specified as a suffix on a number.

func (*Attribute) Comparable 

func (a *Attribute) Comparable(b *Attribute) bool

Comparable returns whether the two attributes are comparable

func (*Attribute) Compare 

func (a *Attribute) Compare(b *Attribute) (int, bool)

Compare compares two attributes. If the returned boolean value is false, it means the values are not comparable, either because they are of different types (bool versus int) or the units are incompatible for comparison. The returned int will be 0 if a==b, -1 if a < b, and +1 if a > b for all values but bool. For bool it will be 0 if a==b or 1 if a!=b.

func (*Attribute) Copy 

func (a *Attribute) Copy() *Attribute

Copy returns a copied version of the attribute

func (*Attribute) GetBool 

func (a *Attribute) GetBool() (value bool, ok bool)

GetBool returns the boolean value of the attribute or false if the attribute doesn't contain a boolean.

func (*Attribute) GetFloat 

func (a *Attribute) GetFloat() (value float64, ok bool)

GetFloat returns the float value of the attribute or false if the attribute doesn't contain a float.

func (*Attribute) GetInt 

func (a *Attribute) GetInt() (value int64, ok bool)

GetInt returns the integer value of the attribute or false if the attribute doesn't contain a integer.

func (*Attribute) GetString 

func (a *Attribute) GetString() (value string, ok bool)

GetString returns the string value of the attribute or false if the attribute doesn't contain a string.

func (*Attribute) GoString 

func (a *Attribute) GoString() string

GoString returns a string representation of the attribute

func (*Attribute) Validate 

func (a *Attribute) Validate() error

Validate checks if the attribute is valid

type BaseUnit 

type BaseUnit uint16

BaseUnit is a unique base unit. All units that share the same base unit should be comparable. 

const (
	UnitScalar BaseUnit = iota
	UnitByte
	UnitByteRate
	UnitHertz
	UnitWatt
)

type ReattachConfig 

type ReattachConfig struct {
	Protocol string
	Network  string
	Addr     string
	Pid      int
}

ReattachConfig is a wrapper around plugin.ReattachConfig to better support serialization

func ReattachConfigFromGoPlugin 

func ReattachConfigFromGoPlugin(plug *plugin.ReattachConfig) *ReattachConfig

ReattachConfigFromGoPlugin converts a go plugin ReattachConfig into a ReattachConfig wrapper struct

type StatObject 

type StatObject struct {
	// Nested is a mapping of object name to a nested stats object.
	Nested map[string]*StatObject

	// Attributes is a mapping of statistic name to its value.
	Attributes map[string]*StatValue
}

StatObject is a collection of statistics either exposed at the top level or via nested StatObjects.

func ConvertProtoStatObject 

func ConvertProtoStatObject(in *proto.StatObject) *StatObject

ConvertProtoStatObject converts between a proto and struct StatObject

type StatValue 

type StatValue struct {
	// FloatNumeratorVal exposes a floating point value. If denominator is set
	// it is assumed to be a fractional value, otherwise it is a scalar.
	FloatNumeratorVal   *float64 `json:",omitempty"`
	FloatDenominatorVal *float64 `json:",omitempty"`

	// IntNumeratorVal exposes a int value. If denominator is set it is assumed
	// to be a fractional value, otherwise it is a scalar.
	IntNumeratorVal   *int64 `json:",omitempty"`
	IntDenominatorVal *int64 `json:",omitempty"`

	// StringVal exposes a string value. These are likely annotations.
	StringVal *string `json:",omitempty"`

	// BoolVal exposes a boolean statistic.
	BoolVal *bool `json:",omitempty"`

	// Unit gives the unit type: °F, %, MHz, MB, etc.
	Unit string `json:",omitempty"`

	// Desc provides a human readable description of the statistic.
	Desc string `json:",omitempty"`
}

StatValue exposes the values of a particular statistic. The value may be of type float, integer, string or boolean. Numeric types can be exposed as a single value or as a fraction.

func ConvertProtoStatValue 

func ConvertProtoStatValue(in *proto.StatValue) *StatValue

ConvertProtoStatValue converts between a proto and struct StatValue

type Unit 

type Unit struct {
	// Name is the name of the unit (GiB, MB/s)
	Name string

	// Base is the base unit for the unit
	Base BaseUnit

	// Multiplier is the multiplier over the base unit (KiB multiplier is 1024)
	Multiplier int64

	// InverseMultiplier specifies that the multiplier is an inverse so:
	// Base / Multiplier. For example a mW is a W/1000.
	InverseMultiplier bool
}

Unit describes a unit and its multiplier over the base unit type

func (*Unit) Comparable 

func (u *Unit) Comparable(o *Unit) bool

Comparable returns if two units are comparable

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