status-go/server/pairing/peers.go

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package pairing
import (
"runtime"
"sync"
"time"
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"go.uber.org/zap"
"github.com/status-im/status-go/logutils"
"github.com/status-im/status-go/server"
"github.com/status-im/status-go/server/pairing/peers"
"github.com/status-im/status-go/signal"
)
type PeerNotifier struct {
logger *zap.Logger
stop chan struct{}
terminator sync.Once
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}
func NewPeerNotifier() *PeerNotifier {
logger := logutils.ZapLogger().Named("PeerNotifier")
stop := make(chan struct{})
return &PeerNotifier{
logger: logger,
stop: stop,
}
}
func (p *PeerNotifier) terminateIn(d time.Duration) {
p.terminator.Do(func() {
time.Sleep(d)
p.stop <- struct{}{}
})
}
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func (p *PeerNotifier) handler(hello *peers.LocalPairingPeerHello) {
signal.SendLocalPairingEvent(Event{Type: EventPeerDiscovered, Action: ActionPeerDiscovery, Data: hello})
p.logger.Debug("received peers.LocalPairingPeerHello message", zap.Any("hello message", hello))
p.terminateIn(5 * time.Second)
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}
func (p *PeerNotifier) Search() error {
dn, err := server.GetDeviceName()
if err != nil {
return err
}
return peers.Search(dn, runtime.GOOS, p.handler, p.stop, p.logger)
}