github.com/Psiphon-Labs/goarista@v0.0.0-20160825065156-d002785f4c67/monitor/types.go (about)

     1  // Copyright (C) 2015  Arista Networks, Inc.
     2  // Use of this source code is governed by the Apache License 2.0
     3  // that can be found in the COPYING file.
     4  
     5  package monitor
     6  
     7  import (
     8  	"strconv"
     9  	"sync/atomic"
    10  )
    11  
    12  // Uint is a 64-bit unsigned integer variable that satisfies the Var interface.
    13  type Uint struct {
    14  	i uint64
    15  }
    16  
    17  func (v *Uint) String() string {
    18  	return strconv.FormatUint(atomic.LoadUint64(&v.i), 10)
    19  }
    20  
    21  // Add delta
    22  func (v *Uint) Add(delta uint64) {
    23  	atomic.AddUint64(&v.i, delta)
    24  }
    25  
    26  // Get the uint64 stored in the Uint
    27  func (v *Uint) Get() uint64 {
    28  	return atomic.LoadUint64(&v.i)
    29  }
    30  
    31  // Set value
    32  func (v *Uint) Set(value uint64) {
    33  	atomic.StoreUint64(&v.i, value)
    34  }