func (vh *VirtualHost) Route(req *http.Request) (reverse.Endpoint, error) {
if vh.store == nil {
return nil, fmt.Errorf("virtual hosts not loaded.")
}
vh.RLock()
defer vh.RUnlock()
hostname := strings.Split(strings.ToLower(req.Host), ":")[0]
matcher, exists := vh.hosts[hostname]
if !exists {
val, err := vh.store.Get(path.Join("/", hostname), true)
if err != nil {
return nil, err
}
var url string
if err := util.Convert(val, &url); err != nil {
return nil, err
}
endpoint, err := reverse.ParseUrl(url)
if err != nil {
return nil, err
}
vh.hosts[hostname] = endpoint
return endpoint, nil
}
return matcher, nil
}
func (vh *VirtualHost) SetHost(hostname, url string) error {
if vh.store == nil {
return fmt.Errorf("virtual hosts not loaded.")
}
vh.Lock()
defer vh.Unlock()
hostname = strings.ToLower(hostname)
endpoint, err := reverse.ParseUrl(url)
if err != nil {
return err
}
if err := vh.store.Put(path.Join("/", hostname), url); err != nil {
return err
}
vh.hosts[hostname] = endpoint
vh.Info("virtual hosts set (%s) upstream to (%s)", hostname, url)
return nil
}