naming

package
Version: v1.1.6 Latest Latest
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Published: Apr 5, 2016 License: BSD-3-Clause, Apache-2.0 Imports: 0 Imported by: 0

Documentation

Overview

Package naming defines the naming API and related data structures for gRPC. The interface is EXPERIMENTAL and may be suject to change.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Operation added in v1.1.4

type Operation uint8

Operation defines the corresponding operations for a name resolution change.

const (
	// Add indicates a new address is added.
	Add Operation = iota
	// Delete indicates an exisiting address is deleted.
	Delete
)

type Resolver

type Resolver interface {
	// Resolve creates a Watcher for target.
	Resolve(target string) (Watcher, error)
}

Resolver creates a Watcher for a target to track its resolution changes.

type Update added in v1.1.4

type Update struct {
	// Op indicates the operation of the update.
	Op Operation
	// Addr is the updated address. It is empty string if there is no address update.
	Addr string
	// Metadata is the updated metadata. It is nil if there is no metadata update.
	// Metadata is not required for a custom naming implementation.
	Metadata interface{}
}

Update defines a name resolution update. Notice that it is not valid having both empty string Addr and nil Metadata in an Update.

type Watcher added in v1.1.4

type Watcher interface {
	// Next blocks until an update or error happens. It may return one or more
	// updates. The first call should get the full set of the results.
	Next() ([]*Update, error)
	// Close closes the Watcher.
	Close()
}

Watcher watches for the updates on the specified target.

Source Files

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