| 133 | } |
| 134 | |
| 135 | func (s *GRPCServer) defaultServerOptions() *serverOptions { |
| 136 | return &serverOptions{ |
| 137 | // A default serving mode change callback which simply logs at the |
| 138 | // default-visible log level. This will be used if the application does not |
| 139 | // register a mode change callback. |
| 140 | // |
| 141 | // Note that this means that `s.opts.modeCallback` will never be nil and can |
| 142 | // safely be invoked directly from `handleServingModeChanges`. |
| 143 | modeCallback: s.loggingServerModeChangeCallback, |
| 144 | } |
| 145 | } |
| 146 | |
| 147 | func (s *GRPCServer) loggingServerModeChangeCallback(addr net.Addr, args ServingModeChangeArgs) { |
| 148 | switch args.Mode { |