49 lines
930 B
Go
49 lines
930 B
Go
package tunnel
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import (
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"net"
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"sync/atomic"
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)
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var (
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txBytes uint64
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rxBytes uint64
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)
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// trafficCounterConn 包装了原生的 net.Conn,用于统计底层收发的真实物理字节数
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type trafficCounterConn struct {
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net.Conn
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}
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func (c *trafficCounterConn) Read(b []byte) (n int, err error) {
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n, err = c.Conn.Read(b)
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if n > 0 {
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atomic.AddUint64(&rxBytes, uint64(n))
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}
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return
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}
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func (c *trafficCounterConn) Write(b []byte) (n int, err error) {
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n, err = c.Conn.Write(b)
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if n > 0 {
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atomic.AddUint64(&txBytes, uint64(n))
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}
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return
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}
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// GetTxBytes 返回隧道累计发送的字节数
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func GetTxBytes() uint64 {
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return atomic.LoadUint64(&txBytes)
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}
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// GetRxBytes 返回隧道累计接收的字节数
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func GetRxBytes() uint64 {
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return atomic.LoadUint64(&rxBytes)
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}
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// ResetTrafficBytes 重置流量统计计数器
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func ResetTrafficBytes() {
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atomic.StoreUint64(&txBytes, 0)
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atomic.StoreUint64(&rxBytes, 0)
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}
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