func NewSelector(opts ...selector.Option) selector.Selector {
sopts := selector.Options{
Strategy: selector.Random,
}
for _, opt := range opts {
opt(&sopts)
}
if sopts.Registry == nil {
sopts.Registry = registry.DefaultRegistry
}
ttl := DefaultTTL
if sopts.Context != nil {
if t, ok := sopts.Context.Value(ttlKey{}).(time.Duration); ok {
ttl = t
}
}
c := &cacheSelector{
so: sopts,
ttl: ttl,
cache: make(map[string][]*registry.Service),
ttls: make(map[string]time.Time),
reload: make(chan bool, 1),
exit: make(chan bool),
}
go c.run()
return c
}
// Return a new first node selector
func DCSelector(opts ...selector.Option) selector.Selector {
var sopts selector.Options
for _, opt := range opts {
opt(&sopts)
}
if sopts.Registry == nil {
sopts.Registry = registry.DefaultRegistry
}
return &dcSelector{sopts}
}
func newSelector(opts ...selector.Option) selector.Selector {
sopts := selector.Options{
Strategy: selector.Random,
}
for _, opt := range opts {
opt(&sopts)
}
if sopts.Registry == nil {
sopts.Registry = registry.DefaultRegistry
}
return &blacklistSelector{
so: sopts,
exit: make(chan bool),
bl: newBlacklist(),
}
}
func NewSelector(opts ...selector.Option) selector.Selector {
var sopts selector.Options
for _, opt := range opts {
opt(&sopts)
}
if sopts.Registry == nil {
sopts.Registry = registry.DefaultRegistry
}
var once sync.Once
bl := &blackListSelector{
once: once,
so: sopts,
ttl: 60,
bl: make(map[string]blackListNode),
exit: make(chan bool),
}
go bl.run()
return bl
}