metadata

package

v1.2.1 Latest Latest Go to latest Published: Apr 1, 2016 License: BSD-3-Clause, Apache-2.0 Imports: 4 Imported by: 0

Details

Package metadata define the structure of the metadata supported by gRPC library.

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func DecodeKeyValue(k, v string) (string, string, error)

DecodeKeyValue returns the original key and value corresponding to the encoded data in k, v.

func NewContext(ctx context.Context, md MD) context.Context

NewContext creates a new context with md attached.

type MD map[string][]string

MD is a mapping from metadata keys to values. Users should use the following two convenience functions New and Pairs to generate MD.

func FromContext(ctx context.Context) (md MD, ok bool)

FromContext returns the MD in ctx if it exists.

func New(m map[string]string) MD

New creates a MD from given key-value map.

func Pairs(kv ...string) MD

Pairs returns an MD formed by the mapping of key, value ... Pairs panics if len(kv) is odd.

func (md MD) Copy() MD

Copy returns a copy of md.

func (md MD) Len() int

Len returns the number of items in md.