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			26 lines
		
	
	
		
			540 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			540 B
		
	
	
	
		
			Go
		
	
	
	
	
	
package main
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import "github.com/dustin/go-broadcast"
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var roomChannels = make(map[string]broadcast.Broadcaster)
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func openListener(roomid string) chan interface{} {
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	listener := make(chan interface{})
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	room(roomid).Register(listener)
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	return listener
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}
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func closeListener(roomid string, listener chan interface{}) {
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	room(roomid).Unregister(listener)
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	close(listener)
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}
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func room(roomid string) broadcast.Broadcaster {
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	b, ok := roomChannels[roomid]
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	if !ok {
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		b = broadcast.NewBroadcaster(10)
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		roomChannels[roomid] = b
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	}
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	return b
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}
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