func exchangeTimestamps() int64 {
t0 := generateTimestamp()
C.writeMsg(C.CString(t0))
t2 := C.GoString(C.readMsg())
t3 := generateTimestamp()
C.writeMsg(C.CString(t3))
// gotta get t1...
t1 := C.GoString(C.readMsg())
return calculateDelayRTT(t0, t1, t2, t3)
}
func exchangeTimestamps() int64 {
// client = coordinator, server = endpoints. We are server
// t0 is the client's timestamp of the request packet transmission,
// t1 is the server's timestamp of the request packet reception,
t0 := C.GoString(C.readMsg())
t1 := generateTimestamp()
// t2 is the server's timestamp of the response packet transmission and
// t3 is the client's timestamp of the response packet reception.
t2 := generateTimestamp()
C.writeMsg(C.CString(t2))
t3 := C.GoString(C.readMsg())
// gotta send t1
C.writeMsg(C.CString(t1))
//calculateClockOffset(t0, t1, t2, t3)
return calculateDelayRTT(t0, t1, t2, t3)
}