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https://github.com/Luzifer/twitch-bot.git
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42 lines
613 B
Go
42 lines
613 B
Go
package main
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import (
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"sync"
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"github.com/gofrs/uuid/v3"
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)
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type (
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hooker struct {
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hooks map[string]func()
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lock sync.RWMutex
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}
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)
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func newHooker() *hooker { return &hooker{hooks: map[string]func(){}} }
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func (h *hooker) Ping() {
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h.lock.RLock()
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defer h.lock.RUnlock()
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for _, hf := range h.hooks {
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hf()
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}
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}
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func (h *hooker) Register(hook func()) func() {
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h.lock.Lock()
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defer h.lock.Unlock()
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id := uuid.Must(uuid.NewV4()).String()
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h.hooks[id] = hook
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return func() { h.unregister(id) }
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}
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func (h *hooker) unregister(id string) {
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h.lock.Lock()
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defer h.lock.Unlock()
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delete(h.hooks, id)
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}
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