func findServerListenerAddresses()

in grpc-xds/control-plane-go/pkg/xds/snapshot_cache.go [181:201]

• 21 lines of code
• 6 McCabe index (conditional complexity)

func findServerListenerAddresses(names []string) ([]EndpointAddress, error) {
	var addresses []EndpointAddress
	for _, name := range names {
		if strings.HasPrefix(name, serverListenerNamePrefix) && len(name) > len(serverListenerNamePrefix) {
			hostPort := strings.SplitAfter(name, serverListenerNamePrefix)[1]
			host, portStr, err := net.SplitHostPort(hostPort)
			if err != nil {
				return nil, fmt.Errorf("could not extract host and port from server Listener name=%s: %w", name, err)
			}
			port, err := strconv.ParseUint(portStr, 10, 32)
			if err != nil {
				return nil, fmt.Errorf("could not extract port from server Listener name: %w", err)
			}
			addresses = append(addresses, EndpointAddress{
				Host: host,
				Port: uint32(port),
			})
		}
	}
	return addresses, nil
}