func init() {
startTime := time.Now().UTC()
expvar.Publish("Uptime", expvar.Func(func() interface{} { return int64(time.Since(startTime)) }))
expvar.Publish("Goroutines", expvar.Func(func() interface{} { return runtime.NumGoroutine() }))
// subscribe to the broker in order to report data about current graph
c := broker.Get().Subscribe()
// Instantiate a real, empty graph to ensure the interface type is never nil when it might be called
var g system.CoreGraph = represent.NewGraph()
go func() {
for latest := range c {
g = latest
}
}()
expvar.Publish("MsgId", expvar.Func(func() interface{} { return g.MsgId() }))
go func() {
log.Println(http.ListenAndServe("localhost:6060", nil))
}()
}
