Files
sing-box/protocol/tailscale/status.go
2026-04-10 16:24:29 +08:00

106 lines
2.8 KiB
Go

//go:build with_gvisor
package tailscale
import (
"context"
"slices"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/tailscale/ipn"
"github.com/sagernet/tailscale/ipn/ipnstate"
)
var _ adapter.TailscaleEndpoint = (*Endpoint)(nil)
func (t *Endpoint) SubscribeTailscaleStatus(ctx context.Context, fn func(*adapter.TailscaleEndpointStatus)) error {
localBackend := t.server.ExportLocalBackend()
sendStatus := func() {
status := localBackend.Status()
fn(convertTailscaleStatus(status))
}
sendStatus()
localBackend.WatchNotifications(ctx, ipn.NotifyInitialState|ipn.NotifyInitialNetMap|ipn.NotifyRateLimit, nil, func(roNotify *ipn.Notify) (keepGoing bool) {
select {
case <-ctx.Done():
return false
default:
}
if roNotify.State != nil || roNotify.NetMap != nil || roNotify.BrowseToURL != nil {
sendStatus()
}
return true
})
return ctx.Err()
}
func convertTailscaleStatus(status *ipnstate.Status) *adapter.TailscaleEndpointStatus {
result := &adapter.TailscaleEndpointStatus{
BackendState: status.BackendState,
AuthURL: status.AuthURL,
}
if status.CurrentTailnet != nil {
result.NetworkName = status.CurrentTailnet.Name
result.MagicDNSSuffix = status.CurrentTailnet.MagicDNSSuffix
}
if status.Self != nil {
result.Self = convertTailscalePeer(status.Self)
}
groupIndex := make(map[int64]*adapter.TailscaleUserGroup)
for _, peerKey := range status.Peers() {
peer := status.Peer[peerKey]
userID := int64(peer.UserID)
group, loaded := groupIndex[userID]
if !loaded {
group = &adapter.TailscaleUserGroup{
UserID: userID,
}
if profile, hasProfile := status.User[peer.UserID]; hasProfile {
group.LoginName = profile.LoginName
group.DisplayName = profile.DisplayName
group.ProfilePicURL = profile.ProfilePicURL
}
groupIndex[userID] = group
result.UserGroups = append(result.UserGroups, group)
}
group.Peers = append(group.Peers, convertTailscalePeer(peer))
}
for _, group := range result.UserGroups {
slices.SortStableFunc(group.Peers, func(a, b *adapter.TailscalePeer) int {
if a.Online != b.Online {
if a.Online {
return -1
}
return 1
}
return 0
})
}
return result
}
func convertTailscalePeer(peer *ipnstate.PeerStatus) *adapter.TailscalePeer {
ips := make([]string, len(peer.TailscaleIPs))
for i, ip := range peer.TailscaleIPs {
ips[i] = ip.String()
}
var keyExpiry int64
if peer.KeyExpiry != nil {
keyExpiry = peer.KeyExpiry.Unix()
}
return &adapter.TailscalePeer{
HostName: peer.HostName,
DNSName: peer.DNSName,
OS: peer.OS,
TailscaleIPs: ips,
Online: peer.Online,
ExitNode: peer.ExitNode,
ExitNodeOption: peer.ExitNodeOption,
Active: peer.Active,
RxBytes: peer.RxBytes,
TxBytes: peer.TxBytes,
UserID: int64(peer.UserID),
KeyExpiry: keyExpiry,
}
}