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This commit is contained in:
jdl
2026-06-07 18:12:44 +02:00
parent cad200b9cc
commit b8344a20b9
37 changed files with 568 additions and 981 deletions
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46
peer/device.go
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@@ -1,12 +1,34 @@
package peer
import (
"errors"
"log"
"net/netip"
"syscall"
"time"
"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
)
// devRetry calls fn up to 6 times with exponential backoff, retrying on EBUSY
// (transient netlink contention during WireGuard handshake/rekey). Fatal on any other error.
func devRetry(vpnIP netip.Addr, op string, fn func() error) {
const attempts = 6
timeout := 10 * time.Millisecond
for i := range attempts {
err := fn()
if err == nil {
return
}
if errors.Is(err, syscall.EBUSY) && i < attempts-1 {
time.Sleep(timeout)
timeout *= 2
continue
}
log.Fatalf("%s %v: %v", op, vpnIP, err)
}
}
func (a *App) devPeers() []wgtypes.Peer {
peers, err := a.dev.Peers()
if err != nil {
@@ -16,37 +38,25 @@ func (a *App) devPeers() []wgtypes.Peer {
}
func (a *App) devAddPeer(p *Peer) {
if err := a.dev.AddPeer(p.PubKey()); err != nil {
log.Fatalf("Failed to add peer %v: %v", p.VPNIP, err)
}
devRetry(p.VPNIP, "AddPeer", func() error { return a.dev.AddPeer(p.PubKey()) })
}
func (a *App) devAddDirect(p *Peer, endpoint netip.AddrPort) {
if err := a.dev.AddDirect(p.PubKey(), endpoint, p.VPNIP); err != nil {
log.Fatalf("Failed to add peer %v: %v", p.VPNIP, err)
}
devRetry(p.VPNIP, "AddDirect", func() error { return a.dev.AddDirect(p.PubKey(), endpoint, p.VPNIP) })
}
func (a *App) devSetRelay(p *Peer, endpoint netip.AddrPort) {
if err := a.dev.SetRelay(p.PubKey(), endpoint, a.vpnNet); err != nil {
log.Fatalf("Failed to add relay %v: %v", p.VPNIP, err)
}
devRetry(p.VPNIP, "SetRelay", func() error { return a.dev.SetRelay(p.PubKey(), endpoint, a.vpnNet) })
}
func (a *App) devPromote(p *Peer) {
if err := a.dev.Promote(p.PubKey(), p.VPNIP); err != nil {
log.Fatalf("Failed to promote peer %v: %v", p.VPNIP, err)
}
devRetry(p.VPNIP, "Promote", func() error { return a.dev.Promote(p.PubKey(), p.VPNIP) })
}
func (a *App) devAddProbe(p *Peer, endpoint netip.AddrPort) {
if err := a.dev.AddProbe(p.PubKey(), endpoint); err != nil {
log.Fatalf("Failed to add probe %v: %v", p.VPNIP, err)
}
devRetry(p.VPNIP, "AddProbe", func() error { return a.dev.AddProbe(p.PubKey(), endpoint) })
}
func (a *App) devRemove(p *Peer) {
if err := a.dev.RemovePeer(p.PubKey()); err != nil {
log.Fatalf("Failed to remove peer %v: %v", p.VPNIP, err)
}
devRetry(p.VPNIP, "RemovePeer", func() error { return a.dev.RemovePeer(p.PubKey()) })
}