Function Dial

cmd/ttn-lw-cli/internal/api/grpc.go:160–175

Dial dials a gRPC connection to the target.

(ctx context.Context, target string)

// Dial dials a gRPC connection to the target.
func Dial(ctx context.Context, target string) (*grpc.ClientConn, error) {
	connMu.Lock()
	defer connMu.Unlock()
	logger := log.FromContext(ctx).WithField("target", target)
	if conn, ok := conns[target]; ok {
		logger.Debug("Using existing gRPC connection")
		return conn, nil
	}
	logger.Debug("Connecting to gRPC server...")
	conn, err := newClient(ctx, target)
	if err != nil {
		return nil, err
	}
	conns[target] = conn
	return conn, nil
}

func newClient(ctx context.Context, target string, opts ...grpc.DialOption) (*grpc.ClientConn, error) {
	opts = append(append(rpcclient.DefaultDialOptions(ctx), GetDialOptions()...), opts...)