45 lines
831 B
Go
45 lines
831 B
Go
// Copyright (C) 2014 The Syncthing Authors.
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
// You can obtain one at https://mozilla.org/MPL/2.0/.
|
|
|
|
package beacon
|
|
|
|
import (
|
|
"net"
|
|
stdsync "sync"
|
|
|
|
"github.com/thejerf/suture"
|
|
)
|
|
|
|
type recv struct {
|
|
data []byte
|
|
src net.Addr
|
|
}
|
|
|
|
type Interface interface {
|
|
suture.Service
|
|
Send(data []byte)
|
|
Recv() ([]byte, net.Addr)
|
|
Error() error
|
|
}
|
|
|
|
type errorHolder struct {
|
|
err error
|
|
mut stdsync.Mutex // uses stdlib sync as I want this to be trivially embeddable, and there is no risk of blocking
|
|
}
|
|
|
|
func (e *errorHolder) setError(err error) {
|
|
e.mut.Lock()
|
|
e.err = err
|
|
e.mut.Unlock()
|
|
}
|
|
|
|
func (e *errorHolder) Error() error {
|
|
e.mut.Lock()
|
|
err := e.err
|
|
e.mut.Unlock()
|
|
return err
|
|
}
|