affected/package: config.go about trpc-go HOT 3 CLOSED

// RepairConfig repairs the Config by filling in some fields with default values.
func RepairConfig(cfg *Config) error {
	// nic -> ip
	if err := repairServiceIPWithNic(cfg); err != nil {
		return err
	}
	// set default read buffer size
	if cfg.Global.ReadBufferSize == nil {
		readerSize := codec.DefaultReaderSize
		cfg.Global.ReadBufferSize = &readerSize
	}
	codec.SetReaderSize(*cfg.Global.ReadBufferSize)

	// protocol network ip empty
	for _, serviceCfg := range cfg.Server.Service {
		setDefault(&serviceCfg.Protocol, cfg.Server.Protocol)
		setDefault(&serviceCfg.Network, cfg.Server.Network)
		setDefault(&serviceCfg.IP, cfg.Global.LocalIP)
		setDefault(&serviceCfg.Transport, cfg.Server.Transport)
		setDefault(&serviceCfg.Address, net.JoinHostPort(serviceCfg.IP, strconv.Itoa(int(serviceCfg.Port))))

		// server async mode by default
		if serviceCfg.ServerAsync == nil {
			enableServerAsync := true
			serviceCfg.ServerAsync = &enableServerAsync
		}
		// writev disabled by default
		if serviceCfg.Writev == nil {
			enableWritev := false
			serviceCfg.Writev = &enableWritev
		}
		if serviceCfg.Timeout == 0 {
			serviceCfg.Timeout = cfg.Server.Timeout
		}
		if serviceCfg.Idletime == 0 {
			serviceCfg.Idletime = defaultIdleTimeout
			if serviceCfg.Timeout > defaultIdleTimeout {
				serviceCfg.Idletime = serviceCfg.Timeout
			}
		}
	}

	setDefault(&cfg.Client.Namespace, cfg.Global.Namespace)
	for _, backendCfg := range cfg.Client.Service {
		repairClientConfig(backendCfg, &cfg.Client)
	}
	return nil
}