connectivity/error_acn.go

package connectivity

import (
	"errors"
	"fmt"
	"net"
)

const acnError = "error initializing anonymous communication network"

// ErrorACN - a status-callback safe errored ACN. Use this when ACN construction goes wrong
// and you need a safe substitute that can later be replaced with a working ACN without impacting calling clients.
type ErrorACN struct {
	statusCallbackCache  func(int, string)
	versionCallbackCache func(string)
}

func (e ErrorACN) GetStatusCallback() func(int, string) {
	return e.statusCallbackCache
}

func (e ErrorACN) GetVersionCallback() func(string) {
	return e.versionCallbackCache
}

func (e *ErrorACN) GetInfo(addr string) (map[string]string, error) {
	return nil, errors.New(acnError)
}

func (e ErrorACN) GetBootstrapStatus() (int, string) {
	return -1, acnError
}

func (e ErrorACN) WaitTillBootstrapped() error {
	return errors.New(acnError)
}

func (e *ErrorACN) SetStatusCallback(callback func(int, string)) {
	e.statusCallbackCache = callback
}

func (e *ErrorACN) SetVersionCallback(callback func(string)) {
	e.versionCallbackCache = callback
}

func (e ErrorACN) Restart() {
}

func (e ErrorACN) Open(hostname string) (net.Conn, string, error) {
	return nil, "", fmt.Errorf(acnError)
}

func (e ErrorACN) Listen(identity PrivateKey, port int) (ListenService, error) {
	return nil, fmt.Errorf(acnError)
}

func (e ErrorACN) GetPID() (int, error) {
	return -1, fmt.Errorf(acnError)
}

func (e ErrorACN) GetVersion() string {
	return acnError
}

func (e ErrorACN) Close() {
}