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c60cbca371
Currently, when SetNetInfo is called it sets the value on hostinfo.NetInfo. However, when SetHostInfo is called it overwrites the hostinfo field which may mean it also clears out the NetInfo it had just received. This commit stores NetInfo separately and combines it into Hostinfo as needed so that control is always notified of the latest values. Also, remove unused copies of Hostinfo from ipn.Status and controlclient.Auto. Updates #tailscale/corp#4824 (maybe fixes) Signed-off-by: Maisem Ali <maisem@tailscale.com>
103 lines
3.0 KiB
Go
103 lines
3.0 KiB
Go
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package controlclient
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import (
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"encoding/json"
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"fmt"
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"reflect"
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"tailscale.com/types/empty"
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"tailscale.com/types/netmap"
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"tailscale.com/types/persist"
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"tailscale.com/types/structs"
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)
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// State is the high-level state of the client. It is used only in
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// unit tests for proper sequencing, don't depend on it anywhere else.
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//
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// TODO(apenwarr): eliminate the state, as it's now obsolete.
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//
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// apenwarr: Historical note: controlclient.Auto was originally
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// intended to be the state machine for the whole tailscale client, but that
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// turned out to not be the right abstraction layer, and it moved to
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// ipn.Backend. Since ipn.Backend now has a state machine, it would be
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// much better if controlclient could be a simple stateless API. But the
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// current server-side API (two interlocking polling https calls) makes that
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// very hard to implement. A server side API change could untangle this and
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// remove all the statefulness.
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type State int
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const (
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StateNew = State(iota)
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StateNotAuthenticated
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StateAuthenticating
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StateURLVisitRequired
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StateAuthenticated
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StateSynchronized // connected and received map update
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)
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func (s State) MarshalText() ([]byte, error) {
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return []byte(s.String()), nil
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}
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func (s State) String() string {
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switch s {
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case StateNew:
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return "state:new"
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case StateNotAuthenticated:
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return "state:not-authenticated"
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case StateAuthenticating:
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return "state:authenticating"
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case StateURLVisitRequired:
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return "state:url-visit-required"
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case StateAuthenticated:
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return "state:authenticated"
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case StateSynchronized:
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return "state:synchronized"
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default:
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return fmt.Sprintf("state:unknown:%d", int(s))
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}
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}
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type Status struct {
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_ structs.Incomparable
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LoginFinished *empty.Message // nonempty when login finishes
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LogoutFinished *empty.Message // nonempty when logout finishes
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Err error
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URL string // interactive URL to visit to finish logging in
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NetMap *netmap.NetworkMap // server-pushed configuration
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// The internal state should not be exposed outside this
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// package, but we have some automated tests elsewhere that need to
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// use them. Please don't use these fields.
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// TODO(apenwarr): Unexport or remove these.
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State State
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Persist *persist.Persist // locally persisted configuration
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}
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// Equal reports whether s and s2 are equal.
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func (s *Status) Equal(s2 *Status) bool {
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if s == nil && s2 == nil {
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return true
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}
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return s != nil && s2 != nil &&
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(s.LoginFinished == nil) == (s2.LoginFinished == nil) &&
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(s.LogoutFinished == nil) == (s2.LogoutFinished == nil) &&
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s.Err == s2.Err &&
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s.URL == s2.URL &&
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reflect.DeepEqual(s.Persist, s2.Persist) &&
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reflect.DeepEqual(s.NetMap, s2.NetMap) &&
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s.State == s2.State
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}
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func (s Status) String() string {
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b, err := json.MarshalIndent(s, "", "\t")
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if err != nil {
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panic(err)
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}
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return s.State.String() + " " + string(b)
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}
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