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