header

Documentation

Index

• Constants
• Variables
• func Copy(source context.Context, target context.Context) context.Context
• func FromCtxToMsgHeader(ctx context.Context, header *nats.Header) error
• func FromMsgHeaderToCtx(ctx context.Context, header nats.Header) (context.Context, error)
• func Get(ctx context.Context, key string) string
• func Set(ctx context.Context, key string, value string) context.Context
• type Values

Constants

const NatsCompatHeader = "Shar-Compat"

NatsCompatHeader is the name of the header used to pass the compatible version of SHAR.

const NatsVersionHeader = "Shar-Version"

NatsVersionHeader is the name of the header used to pass the SHAR client version.

const SharNamespace = "Shar-Namespace"

SharNamespace is the name of the header used to pass the client's declared namespace.

Variables

var ContextKey contextKey = "SHARHeader"

ContextKey is the key for SHAR header values in the context.

Functions

func Copy

func Copy(source context.Context, target context.Context) context.Context

Copy copies SHAR values from one context to another.

func FromCtxToMsgHeader

func FromCtxToMsgHeader(ctx context.Context, header *nats.Header) error

FromCtxToMsgHeader attaches context information to a NATS message header.

func FromMsgHeaderToCtx

func FromMsgHeaderToCtx(ctx context.Context, header nats.Header) (context.Context, error)

FromMsgHeaderToCtx attaches NATS message header values to the context.

func Get

func Get(ctx context.Context, key string) string

Get gets a context header value.

func Set

func Set(ctx context.Context, key string, value string) context.Context

Set sets a context header value.

Types

type Values

type Values map[string]string

Values is a container for SHAR header values