metrics

package

v0.0.0-...-bb20dc4 Latest Latest Go to latest Published: Apr 21, 2016 License: MIT Imports: 5 Imported by: 0

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func GetOrRegister(name string, i interface{}) interface{}

Gets an existing metric or creates and registers a new one. Threadsafe alternative to calling Get and Register on failure.

func Register(name string, i interface{}) error

Register the given metric under the given name. Returns a DuplicateMetric if a metric by the given name is already registered.

func Snapshot() (c map[string]int64)

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

A Counter is a thread-safe counter implementation

func NewCounter(key string) *Counter

func (c *Counter) Add(val int64)

Increment the counter by some value

func (c *Counter) Set(val int64)

func (c *Counter) String() string

func (c *Counter) Value() int64

Return the counter's current value

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

var DefaultRegistry *Registry = NewRegistry()

func NewRegistry() *Registry

Create a new registry.

func (r *Registry) GetOrRegister(name string, i interface{}) interface{}

func (r *Registry) Register(name string, i interface{}) error