syncthing/lib/nat/registry.go

31 lines
772 B
Go

// Copyright (C) 2015 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 http://mozilla.org/MPL/2.0/.
package nat
import (
"time"
)
type DiscoverFunc func(renewal, timeout time.Duration) []Device
var providers []DiscoverFunc
func Register(provider DiscoverFunc) {
providers = append(providers, provider)
}
func discoverAll(renewal, timeout time.Duration) map[string]Device {
nats := make(map[string]Device)
for _, discoverFunc := range providers {
discoveredNATs := discoverFunc(renewal, timeout)
for _, discoveredNAT := range discoveredNATs {
nats[discoveredNAT.ID()] = discoveredNAT
}
}
return nats
}