mirror of https://github.com/status-im/go-waku.git
35 lines
695 B
Go
35 lines
695 B
Go
package relay
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import (
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"sync"
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"github.com/status-im/go-waku/waku/v2/protocol"
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)
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// Subscription handles the subscrition to a particular pubsub topic
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type Subscription struct {
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sync.RWMutex
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// C is channel used for receiving envelopes
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C chan *protocol.Envelope
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closed bool
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once sync.Once
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quit chan struct{}
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}
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// Unsubscribe will close a subscription from a pubsub topic. Will close the message channel
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func (subs *Subscription) Unsubscribe() {
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subs.once.Do(func() {
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close(subs.quit)
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})
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}
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// IsClosed determine whether a Subscription is still open for receiving messages
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func (subs *Subscription) IsClosed() bool {
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subs.RLock()
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defer subs.RUnlock()
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return subs.closed
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}
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