proxy

type Proxy struct {
	// Stragy of the proxy usage.
	Strategy string

	// Set this field if ProxyStrategy is single
	Addr *url.URL

	// Dynamic field for other proxy strategies.
	Others map[string]interface{}
}

type ProxyService interface {
	Init(Proxy) error
	GetAll() []*url.URL
	GetProxy() *url.URL
	ReportProxy(addr *url.URL, reason string) *url.URL
	GetProxyCountry(*url.URL) string
	Done() error
}