func()

in internal/langserver/langserver.go [114:147]

• 30 lines of code
• 5 McCabe index (conditional complexity)

func (ls *langServer) StartTCP(address string) error {
	ls.logger.Printf("Starting TCP server (pid %d; concurrency: %d) at %q ...",
		os.Getpid(), ls.srvOptions.Concurrency, address)
	lst, err := net.Listen("tcp", address)
	if err != nil {
		return fmt.Errorf("TCP Server failed to start: %s", err)
	}
	ls.logger.Printf("TCP server running at %q", lst.Addr())

	accepter := server.NetAccepter(lst, channel.LSP)

	go func() {
		ls.logger.Println("Starting loop server ...")
		err = server.Loop(accepter, ls.newService, &server.LoopOptions{
			ServerOptions: ls.srvOptions,
		})
		if err != nil {
			ls.logger.Printf("Loop server failed to start: %s", err)
		}
	}()

	select { //nolint
	case <-ls.srvCtx.Done():
		ls.logger.Printf("Stopping TCP server (pid %d) ...", os.Getpid())
		err = lst.Close()
		if err != nil {
			ls.logger.Printf("TCP server (pid %d) failed to stop: %s", os.Getpid(), err)
			return err
		}
	}

	ls.logger.Printf("TCP server (pid %d) stopped.", os.Getpid())
	return nil
}