80 lines
2.4 KiB
Go
80 lines
2.4 KiB
Go
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package ipn
|
|
|
|
import (
|
|
"tailscale.com/control/controlclient"
|
|
"tailscale.com/tailcfg"
|
|
"tailscale.com/wgengine"
|
|
"time"
|
|
)
|
|
|
|
type State int
|
|
|
|
const (
|
|
NoState = State(iota)
|
|
NeedsLogin
|
|
NeedsMachineAuth
|
|
Stopped
|
|
Starting
|
|
Running
|
|
)
|
|
|
|
func (s State) String() string {
|
|
return [...]string{"NoState", "NeedsLogin", "NeedsMachineAuth",
|
|
"Stopped", "Starting", "Running"}[s]
|
|
}
|
|
|
|
type EngineStatus struct {
|
|
RBytes, WBytes wgengine.ByteCount
|
|
NumLive int
|
|
LivePeers map[tailcfg.NodeKey]wgengine.PeerStatus
|
|
}
|
|
|
|
type NetworkMap = controlclient.NetworkMap
|
|
|
|
// In any given notification, any or all of these may be nil, meaning
|
|
// that they have not changed.
|
|
type Notify struct {
|
|
Version string // version number of IPN backend
|
|
ErrMessage *string // critical error message, if any
|
|
LoginFinished *struct{} // event: login process succeeded
|
|
State *State // current IPN state has changed
|
|
Prefs *Prefs // preferences were changed
|
|
NetMap *NetworkMap // new netmap received
|
|
Engine *EngineStatus // wireguard engine stats
|
|
BrowseToURL *string // UI should open a browser right now
|
|
BackendLogID *string // public logtail id used by backend
|
|
}
|
|
|
|
type Options struct {
|
|
FrontendLogID string // public logtail id used by frontend
|
|
ServerURL string
|
|
Prefs Prefs
|
|
LoginFlags controlclient.LoginFlags
|
|
Notify func(n Notify) `json:"-"`
|
|
}
|
|
|
|
type Backend interface {
|
|
// Start or restart the backend, because a new Handle has connected.
|
|
Start(opts Options) error
|
|
// Start a new interactive login. This should trigger a new
|
|
// BrowseToURL notification eventually.
|
|
StartLoginInteractive()
|
|
// Terminate the current login session and stop the wireguard engine.
|
|
Logout()
|
|
// Install a new set of user preferences, including WantRunning.
|
|
// This may cause the wireguard engine to reconfigure or stop.
|
|
SetPrefs(new Prefs)
|
|
// Poll for an update from the wireguard engine. Only needed if
|
|
// you want to display byte counts. Connection events are emitted
|
|
// automatically without polling.
|
|
RequestEngineStatus()
|
|
// Pretend the current key is going to expire after duration x.
|
|
// This is useful for testing GUIs to make sure they react properly
|
|
// with keys that are going to expire.
|
|
FakeExpireAfter(x time.Duration)
|
|
}
|