mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-12-26 03:15:39 +08:00
110 lines
2.3 KiB
Go
110 lines
2.3 KiB
Go
package trackerconn
|
|
|
|
import (
|
|
"net"
|
|
|
|
"github.com/sagernet/sing/common/buf"
|
|
"github.com/sagernet/sing/common/bufio"
|
|
N "github.com/sagernet/sing/common/network"
|
|
|
|
"go.uber.org/atomic"
|
|
)
|
|
|
|
func New(conn net.Conn, readCounter []*atomic.Int64, writeCounter []*atomic.Int64) *Conn {
|
|
return &Conn{bufio.NewExtendedConn(conn), readCounter, writeCounter}
|
|
}
|
|
|
|
func NewHook(conn net.Conn, readCounter func(n int64), writeCounter func(n int64)) *HookConn {
|
|
return &HookConn{bufio.NewExtendedConn(conn), readCounter, writeCounter}
|
|
}
|
|
|
|
type Conn struct {
|
|
N.ExtendedConn
|
|
readCounter []*atomic.Int64
|
|
writeCounter []*atomic.Int64
|
|
}
|
|
|
|
func (c *Conn) Read(p []byte) (n int, err error) {
|
|
n, err = c.ExtendedConn.Read(p)
|
|
for _, counter := range c.readCounter {
|
|
counter.Add(int64(n))
|
|
}
|
|
return n, err
|
|
}
|
|
|
|
func (c *Conn) ReadBuffer(buffer *buf.Buffer) error {
|
|
err := c.ExtendedConn.ReadBuffer(buffer)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
for _, counter := range c.readCounter {
|
|
counter.Add(int64(buffer.Len()))
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (c *Conn) Write(p []byte) (n int, err error) {
|
|
n, err = c.ExtendedConn.Write(p)
|
|
for _, counter := range c.writeCounter {
|
|
counter.Add(int64(n))
|
|
}
|
|
return n, err
|
|
}
|
|
|
|
func (c *Conn) WriteBuffer(buffer *buf.Buffer) error {
|
|
dataLen := int64(buffer.Len())
|
|
err := c.ExtendedConn.WriteBuffer(buffer)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
for _, counter := range c.writeCounter {
|
|
counter.Add(dataLen)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (c *Conn) Upstream() any {
|
|
return c.ExtendedConn
|
|
}
|
|
|
|
type HookConn struct {
|
|
N.ExtendedConn
|
|
readCounter func(n int64)
|
|
writeCounter func(n int64)
|
|
}
|
|
|
|
func (c *HookConn) Read(p []byte) (n int, err error) {
|
|
n, err = c.ExtendedConn.Read(p)
|
|
c.readCounter(int64(n))
|
|
return n, err
|
|
}
|
|
|
|
func (c *HookConn) ReadBuffer(buffer *buf.Buffer) error {
|
|
err := c.ExtendedConn.ReadBuffer(buffer)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
c.readCounter(int64(buffer.Len()))
|
|
return nil
|
|
}
|
|
|
|
func (c *HookConn) Write(p []byte) (n int, err error) {
|
|
n, err = c.ExtendedConn.Write(p)
|
|
c.writeCounter(int64(n))
|
|
return n, err
|
|
}
|
|
|
|
func (c *HookConn) WriteBuffer(buffer *buf.Buffer) error {
|
|
dataLen := int64(buffer.Len())
|
|
err := c.ExtendedConn.WriteBuffer(buffer)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
c.writeCounter(dataLen)
|
|
return nil
|
|
}
|
|
|
|
func (c *HookConn) Upstream() any {
|
|
return c.ExtendedConn
|
|
}
|