residentsleeper/events/events.go

55 lines
834 B
Go
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package events
import (
"sync"
)
type eventHandler func(args ...interface{})
var (
eventMap = make(map[string][]eventHandler)
eventMapLock sync.RWMutex
allListeners = make([]eventHandler, 0)
initialized = false
)
func On(name string, f eventHandler) {
eventMapLock.Lock()
defer eventMapLock.Unlock()
handlers, exists := eventMap[name]
if !exists {
handlers = make([]eventHandler, 0)
}
handlers = append(handlers, f)
eventMap[name] = handlers
}
func OnALl(f eventHandler) {
allListeners = append(allListeners, f)
}
func Call(name string, args ...interface{}) {
if !initialized && name != Init {
Call(Init)
initialized = true
}
eventMapLock.RLock()
handlers, exists := eventMap[name]
eventMapLock.RUnlock()
if !exists {
return
}
for _, handler := range handlers {
handler(args...)
}
}