func loadConfigFile(cfgPath string) (*config, error) {
f, err := os.Open(cfgPath)
if os.IsNotExist(err) {
return &config{}, nil
} else if err != nil {
return nil, errors.New("failed to open config file %q: %s", cfgPath, err)
}
defer f.Close()
var c *config
if err := json.NewDecoder(f).Decode(&c); err != nil {
return nil, errors.New("failed to parse config file %q: %s", cfgPath, err)
}
return c, nil
}
func recoverPanicsFunc(next web.HTTPHandle) web.HTTPHandle {
return func(rw http.ResponseWriter, r *http.Request, c *ctx.Context) (err error) {
defer func() {
// TODO maybe we should skip the additional stack lines.
if r := recover(); r != nil {
err = errors.New("panic: %s", r)
}
}()
return next(rw, r, c)
}
}