/
events_monitor.go
74 lines (63 loc) · 2.06 KB
/
events_monitor.go
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// Copyright 2021 PairMesh, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package driver
import (
"context"
"fmt"
"github.com/pairmesh/pairmesh/internal/relay"
"github.com/pairmesh/pairmesh/node/monitor"
"go.uber.org/zap"
)
// eventsMonitor updates the local endpoints to the primary relay server periodically.
func (d *NodeDriver) eventsMonitor(ctx context.Context) {
defer d.wg.Done()
for {
select {
case e := <-d.rm.Events():
// Only care about the relay server status of connected/closed.
switch e.Type {
case relay.EventTypeClientConnected:
event := e.Data.(relay.EventClientConnected)
priID := d.rm.PrimaryServerID()
if priID != event.RelayServer.ID {
continue
}
d.primaryServerConnected = true
case relay.EventTypeClientClosed:
event := e.Data.(relay.EventClientClosed)
priID := d.rm.PrimaryServerID()
if priID != event.RelayServer.ID {
continue
}
d.primaryServerConnected = false
}
case e := <-d.mon.Events():
switch e.Type {
case monitor.EventTypeExternalAddressChanged:
event := e.Data.(monitor.EventExternalAddressChanged)
zap.L().Info("ExternalAddressChanged", zap.String("address", event.ExternalAddress))
d.externalAddr.Store(event.ExternalAddress)
// Latest endpoints.
endpoints := []string{event.ExternalAddress}
for _, l := range d.localAddresses() {
endpoints = append(endpoints, fmt.Sprintf("%s:%d", l, d.config.Port))
}
d.mm.SyncEndpoints(endpoints)
}
case <-ctx.Done():
zap.L().Info("Local events monitor stopped")
return
}
}
}