NewServer creates a new Server with passed in params. Returns a non-nil error if the params are invalid.
(params ServerParams)
| 80 | // NewServer creates a new Server with passed in params. Returns a non-nil error |
| 81 | // if the params are invalid. |
| 82 | func NewServer(params ServerParams) (*Server, error) { |
| 83 | var servers []*lbpb.Server |
| 84 | for _, addr := range params.BackendAddresses { |
| 85 | ipStr, portStr, err := net.SplitHostPort(addr) |
| 86 | if err != nil { |
| 87 | return nil, fmt.Errorf("failed to parse list of backend address %q: %v", addr, err) |
| 88 | } |
| 89 | ip, err := netip.ParseAddr(ipStr) |
| 90 | if err != nil { |
| 91 | return nil, fmt.Errorf("failed to parse ip %q: %v", ipStr, err) |
| 92 | } |
| 93 | port, err := strconv.Atoi(portStr) |
| 94 | if err != nil { |
| 95 | return nil, fmt.Errorf("failed to convert port %q to int", portStr) |
| 96 | } |
| 97 | logger.Infof("Adding backend ip: %q, port: %d to server list", ip.String(), port) |
| 98 | servers = append(servers, &lbpb.Server{ |
| 99 | IpAddress: ip.AsSlice(), |
| 100 | Port: int32(port), |
| 101 | }) |
| 102 | } |
| 103 | |
| 104 | lis, err := net.Listen("tcp", "localhost:"+strconv.Itoa(params.ListenPort)) |
| 105 | if err != nil { |
| 106 | return nil, fmt.Errorf("failed to listen on port %q: %v", params.ListenPort, err) |
| 107 | } |
| 108 | |
| 109 | return &Server{ |
| 110 | sOpts: params.ServerOptions, |
| 111 | serviceName: params.LoadBalancedServiceName, |
| 112 | servicePort: params.LoadBalancedServicePort, |
| 113 | shortStream: params.ShortStream, |
| 114 | backends: servers, |
| 115 | lis: lis, |
| 116 | address: lis.Addr().String(), |
| 117 | stopped: make(chan struct{}), |
| 118 | }, nil |
| 119 | } |
| 120 | |
| 121 | // Serve starts serving the LoadBalancer service on a gRPC server. |
| 122 | // |