Example #1
0
File: span.go Project: jllopis/kit
// makeEndpoint will return a nil Endpoint if the input parameters are
// malformed.
func makeEndpoint(hostport, serviceName string) *zipkincore.Endpoint {
	host, port, err := net.SplitHostPort(hostport)
	if err != nil {
		Log.Log("hostport", hostport, "err", err)
		return nil
	}
	addrs, err := net.LookupIP(host)
	if err != nil {
		Log.Log("host", host, "err", err)
		return nil
	}
	if len(addrs) <= 0 {
		Log.Log("host", host, "err", "no IPs")
		return nil
	}
	portInt, err := strconv.ParseInt(port, 10, 16)
	if err != nil {
		Log.Log("port", port, "err", err)
		return nil
	}
	endpoint := zipkincore.NewEndpoint()
	binary.LittleEndian.PutUint32(addrs[0], (uint32)(endpoint.Ipv4))
	endpoint.Port = int16(portInt)
	endpoint.ServiceName = serviceName
	return endpoint
}
Example #2
0
// makeEndpoint takes the hostport and service name that represent this Zipkin
// service, and returns an endpoint that's embedded into the Zipkin core Span
// type. It will return a nil endpoint if the input parameters are malformed.
func makeEndpoint(hostport, serviceName string) *zipkincore.Endpoint {
	host, port, err := net.SplitHostPort(hostport)
	if err != nil {
		return nil
	}
	portInt, err := strconv.ParseInt(port, 10, 16)
	if err != nil {
		return nil
	}
	addrs, err := net.LookupIP(host)
	if err != nil {
		return nil
	}
	// we need the first IPv4 address.
	var addr net.IP
	for i := range addrs {
		addr = addrs[i].To4()
		if addr != nil {
			break
		}
	}
	if addr == nil {
		// none of the returned addresses is IPv4.
		return nil
	}
	endpoint := zipkincore.NewEndpoint()
	endpoint.Ipv4 = (int32)(binary.BigEndian.Uint32(addr))
	endpoint.Port = int16(portInt)
	endpoint.ServiceName = serviceName
	return endpoint
}