52 lines
889 B
Go
52 lines
889 B
Go
package gossip
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import (
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"github.com/micro/go-micro/registry"
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)
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type gossipWatcher struct {
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wo registry.WatchOptions
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next chan *registry.Result
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stop chan bool
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}
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func newGossipWatcher(ch chan *registry.Result, stop chan bool, opts ...registry.WatchOption) (registry.Watcher, error) {
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var wo registry.WatchOptions
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for _, o := range opts {
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o(&wo)
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}
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return &gossipWatcher{
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wo: wo,
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next: ch,
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stop: stop,
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}, nil
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}
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func (m *gossipWatcher) Next() (*registry.Result, error) {
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for {
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select {
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case r, ok := <-m.next:
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if !ok {
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return nil, registry.ErrWatcherStopped
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}
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// check watch options
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if len(m.wo.Service) > 0 && r.Service.Name != m.wo.Service {
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continue
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}
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return r, nil
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case <-m.stop:
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return nil, registry.ErrWatcherStopped
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}
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}
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}
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func (m *gossipWatcher) Stop() {
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select {
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case <-m.stop:
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return
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default:
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close(m.stop)
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}
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}
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