func Run(ctx context.Context, fc fnet.FrameConn) error {
bs := make([]byte, fc.FrameSize())
for {
select {
case <-ctx.Done():
return ctx.Err()
default:
}
if err := fc.RecvFrame(bs); err != nil {
return err
}
fmt.Printf("%d %d\n", int64(binary.LittleEndian.Uint64(bs[:8])), time.Now().UnixNano())
}
}
// Start starts a new clock station. The connection argument is wrapped.
// PRE: fc :-> fnet.FrameConn
// POST: ret = error OR nil
// EFF: sends each value from ticker over fc (nanoseconds in little-endian 64-bit signed unix epoch format) until stop is called
func Run(ctx context.Context, fc fnet.FrameConn, tick <-chan time.Time) error {
var b = make([]byte, fc.FrameSize())
for {
select {
case t := <-tick:
ns := t.UnixNano()
binary.LittleEndian.PutUint64(b[:8], uint64(ns))
if err := fc.SendFrame(b[:]); err != nil {
return err
}
fmt.Printf("%d\n", uint64(ns))
// fmt.Printf("Sent frame %v", ns) yo
case <-ctx.Done():
return nil
}
}
}
