github.com/v2fly/v2ray-core/v5@v5.16.2-0.20240507031116-8191faa6e095/app/stats/counter.go (about)

     1  package stats
     2  
     3  import "sync/atomic"
     4  
     5  // Counter is an implementation of stats.Counter.
     6  type Counter struct {
     7  	value int64
     8  }
     9  
    10  // Value implements stats.Counter.
    11  func (c *Counter) Value() int64 {
    12  	return atomic.LoadInt64(&c.value)
    13  }
    14  
    15  // Set implements stats.Counter.
    16  func (c *Counter) Set(newValue int64) int64 {
    17  	return atomic.SwapInt64(&c.value, newValue)
    18  }
    19  
    20  // Add implements stats.Counter.
    21  func (c *Counter) Add(delta int64) int64 {
    22  	return atomic.AddInt64(&c.value, delta)
    23  }