func (c *ComposedHandler) callRcv(h bh.Handler, msg bh.Msg, ctx bh.RcvContext) (
err error) {
defer func() {
r := recover()
if r == nil {
return
}
if d, ok := r.(time.Duration); ok {
ctx.Snooze(d)
}
err = errors.New(fmt.Sprintf("%v", r))
}()
return h.Rcv(msg, ctx)
}
func (h *portUpdateHandler) Rcv(msg bh.Msg, ctx bh.RcvContext) error {
p := nom.Port(msg.Data().(nom.PortUpdated))
d := ctx.Dict(nodeDict)
k := string(p.Node)
v, err := d.Get(k)
if err != nil {
glog.Warningf("%v added before its node", p)
ctx.Snooze(1 * time.Second)
return nil
}
np := v.(nodePortsAndLinks)
if np.hasPort(p) {
glog.Warningf("%v readded")
np.removePort(p)
}
sendLLDPPacket(np.N, p, ctx)
np.P = append(np.P, p)
return d.Put(k, np)
}