forked from cwtch.im/cwtch
Prevent Duplicate Queue Subscription
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3e0680943a
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@ -95,6 +95,11 @@ func (em *manager) initialize() {
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func (em *manager) Subscribe(eventType Type, queue Queue) {
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em.mapMutex.Lock()
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defer em.mapMutex.Unlock()
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for _, sub := range em.subscribers[eventType] {
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if sub == queue {
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return // don't add the same queue for the same event twice...
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}
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}
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em.subscribers[eventType] = append(em.subscribers[eventType], queue)
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}
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