metadata

package
v1.56.2 Latest Latest
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Published: Jul 6, 2023 License: Apache-2.0 Imports: 4 Imported by: 0

Documentation

Overview

Package metadata contains functions to set and get metadata from addresses.

This package is experimental.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Get

func Get(addr resolver.Address) metadata.MD

Get returns the metadata of addr.

func Set

Set sets (overrides) the metadata in addr.

When a SubConn is created with this address, the RPCs sent on it will all have this metadata.

func Validate added in v1.46.0

func Validate(md metadata.MD) error

Validate validates every pair in md with ValidatePair.

func ValidatePair added in v1.54.0

func ValidatePair(key string, vals ...string) error

ValidatePair validate a key-value pair with the following rules (the pseudo-header will be skipped) :

- key must contain one or more characters. - the characters in the key must be contained in [0-9 a-z _ - .]. - if the key ends with a "-bin" suffix, no validation of the corresponding value is performed. - the characters in the every value must be printable (in [%x20-%x7E]).

Types

This section is empty.

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