In ListenerCounter struct int -> int64.
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@ -11,7 +11,7 @@ import (
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// ListenerCounter stores the current and peak numbers of listeners.
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type ListenerCounter struct {
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mutex sync.RWMutex
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current, peak int
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current, peak int64
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}
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// NewListenerCounter returns a new ListenerCounter struct instance.
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@ -20,26 +20,26 @@ func NewListenerCounter() *ListenerCounter {
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}
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// Current returns a number of current listeners.
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func (l *ListenerCounter) Current() int {
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func (l *ListenerCounter) Current() int64 {
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l.mutex.RLock()
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defer l.mutex.RUnlock()
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return l.current
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}
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// Current returns a number of peak listeners.
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func (l *ListenerCounter) Peak() int {
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func (l *ListenerCounter) Peak() int64 {
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l.mutex.RLock()
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defer l.mutex.RUnlock()
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return l.peak
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}
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// Inc increments by 1 a current number of listeners and updates a peak number.
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func (l *ListenerCounter) Inc() int {
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func (l *ListenerCounter) Inc() int64 {
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l.mutex.Lock()
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defer l.mutex.Unlock()
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if l.current == math.MaxInt {
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if l.current == math.MaxInt64 {
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// We panic here because if this will ever happen, then something's going certainly wrong.
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panic(fmt.Sprint("a current number of listeners exceeded MaxInt which is", math.MaxInt))
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panic(fmt.Sprint("a current number of listeners exceeded MaxInt64 which is", math.MaxInt))
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}
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l.current++
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if l.current > l.peak {
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@ -50,7 +50,7 @@ func (l *ListenerCounter) Inc() int {
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// Dec decrements by 1 a current number of listeners. An error will occur if
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// a resulting number is less than 0.
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func (l *ListenerCounter) Dec() (int, error) {
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func (l *ListenerCounter) Dec() (int64, error) {
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l.mutex.Lock()
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defer l.mutex.Unlock()
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if l.current == 0 {
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@ -64,8 +64,8 @@ func (l *ListenerCounter) MarshalJSON() ([]byte, error) {
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l.mutex.RLock()
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defer l.mutex.RUnlock()
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return json.Marshal(&struct {
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Current int `json:"current"`
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Peak int `json:"peak"`
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Current int64 `json:"current"`
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Peak int64 `json:"peak"`
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}{
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Current: l.current,
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Peak: l.peak})
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