96 lines
2.5 KiB
Go
96 lines
2.5 KiB
Go
// Copyright (C) 2016 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at http://mozilla.org/MPL/2.0/.
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package connections
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import (
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"crypto/tls"
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"net"
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"net/url"
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"time"
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"github.com/syncthing/syncthing/lib/config"
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"github.com/syncthing/syncthing/lib/nat"
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"github.com/syncthing/syncthing/lib/protocol"
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)
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type IntermediateConnection struct {
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*tls.Conn
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Type string
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Priority int
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}
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type Connection struct {
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IntermediateConnection
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protocol.Connection
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}
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type dialerFactory interface {
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New(*config.Wrapper, *tls.Config) genericDialer
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Priority() int
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Enabled(config.Configuration) bool
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String() string
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}
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type genericDialer interface {
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Dial(protocol.DeviceID, *url.URL) (IntermediateConnection, error)
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RedialFrequency() time.Duration
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}
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type listenerFactory interface {
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New(*url.URL, *config.Wrapper, *tls.Config, chan IntermediateConnection, *nat.Service) genericListener
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Enabled(config.Configuration) bool
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}
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type genericListener interface {
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Serve()
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Stop()
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URI() *url.URL
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// A given address can potentially be mutated by the listener.
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// For example we bind to tcp://0.0.0.0, but that for example might return
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// tcp://gateway1.ip and tcp://gateway2.ip as WAN addresses due to there
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// being multiple gateways, and us managing to get a UPnP mapping on both
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// and tcp://192.168.0.1 and tcp://10.0.0.1 due to there being multiple
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// network interfaces. (The later case for LAN addresses is made up just
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// to provide an example)
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WANAddresses() []*url.URL
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LANAddresses() []*url.URL
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Error() error
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OnAddressesChanged(func(genericListener))
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String() string
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Factory() listenerFactory
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}
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type Model interface {
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protocol.Model
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AddConnection(conn Connection, hello protocol.HelloResult)
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ConnectedTo(remoteID protocol.DeviceID) bool
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IsPaused(remoteID protocol.DeviceID) bool
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OnHello(protocol.DeviceID, net.Addr, protocol.HelloResult) error
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GetHello(protocol.DeviceID) protocol.HelloIntf
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}
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// serviceFunc wraps a function to create a suture.Service without stop
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// functionality.
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type serviceFunc func()
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func (f serviceFunc) Serve() { f() }
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func (f serviceFunc) Stop() {}
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type onAddressesChangedNotifier struct {
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callbacks []func(genericListener)
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}
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func (o *onAddressesChangedNotifier) OnAddressesChanged(callback func(genericListener)) {
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o.callbacks = append(o.callbacks, callback)
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}
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func (o *onAddressesChangedNotifier) notifyAddressesChanged(l genericListener) {
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for _, callback := range o.callbacks {
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callback(l)
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}
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}
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