grpcutil

Documentation

Index

• type MDCarrier
  • func (mdc MDCarrier) ForeachKey(handler func(key, val string) error) error
  • func (mdc MDCarrier) Get(key string) string
  • func (mdc MDCarrier) Set(key, val string)

Types

type MDCarrier

type MDCarrier metadata.MD

MDCarrier implements tracer.TextMapWriter and tracer.TextMapReader on top of gRPC's metadata, allowing it to be used as a span context carrier for distributed tracing.

func (MDCarrier) ForeachKey

func (mdc MDCarrier) ForeachKey(handler func(key, val string) error) error

ForeachKey will iterate over all key/value pairs in the metadata.

func (MDCarrier) Get

func (mdc MDCarrier) Get(key string) string

Get will return the first entry in the metadata at the given key.

func (MDCarrier) Set

func (mdc MDCarrier) Set(key, val string)

Set will add the given value to the values found at key. Key will be lowercased to match the metadata implementation.