cwtch/app/plugins/heartbeat.go

50 lines
1023 B
Go

package plugins
import (
"cwtch.im/cwtch/event"
"git.openprivacy.ca/openprivacy/log"
"time"
)
const heartbeatTickTime = 60 * time.Second
type heartbeat struct {
bus event.Manager
queue event.Queue
breakChan chan bool
}
func (hb *heartbeat) Start() {
go hb.run()
}
func (hb *heartbeat) Id() PluginID {
return HEARTBEAT
}
func (hb *heartbeat) Shutdown() {
hb.breakChan <- true
hb.queue.Shutdown()
}
func (hb *heartbeat) run() {
log.Debugf("running heartbeat trigger plugin")
for {
select {
case <-time.After(heartbeatTickTime):
// no fuss, just trigger the beat.
hb.bus.Publish(event.NewEvent(event.Heartbeat, map[event.Field]string{}))
continue
case <-hb.breakChan:
log.Debugf("shutting down heartbeat plugin")
return
}
}
}
// NewHeartbeat returns a Plugin that when started will trigger heartbeat checks on a regular interval
func NewHeartbeat(bus event.Manager) Plugin {
cr := &heartbeat{bus: bus, queue: event.NewQueue(), breakChan: make(chan bool, 1)}
return cr
}