71 lines
1.3 KiB
Go
71 lines
1.3 KiB
Go
package tun
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import (
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"context"
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"errors"
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"io"
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"net"
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"time"
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mdata "github.com/go-gost/core/metadata"
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)
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type conn struct {
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ifce io.ReadWriteCloser
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laddr net.Addr
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raddr net.Addr
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cancel context.CancelFunc
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}
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func (c *conn) Read(b []byte) (n int, err error) {
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return c.ifce.Read(b)
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}
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func (c *conn) Write(b []byte) (n int, err error) {
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return c.ifce.Write(b)
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}
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func (c *conn) LocalAddr() net.Addr {
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return c.laddr
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}
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func (c *conn) RemoteAddr() net.Addr {
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return c.raddr
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}
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func (c *conn) SetDeadline(t time.Time) error {
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return &net.OpError{Op: "set", Net: "tun", Source: nil, Addr: nil, Err: errors.New("deadline not supported")}
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}
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func (c *conn) SetReadDeadline(t time.Time) error {
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return &net.OpError{Op: "set", Net: "tun", Source: nil, Addr: nil, Err: errors.New("deadline not supported")}
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}
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func (c *conn) SetWriteDeadline(t time.Time) error {
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return &net.OpError{Op: "set", Net: "tun", Source: nil, Addr: nil, Err: errors.New("deadline not supported")}
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}
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func (c *conn) Close() (err error) {
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if c.cancel != nil {
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c.cancel()
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}
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return c.ifce.Close()
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}
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type metadataConn struct {
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net.Conn
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md mdata.Metadata
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}
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// Metadata implements metadata.Metadatable interface.
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func (c *metadataConn) Metadata() mdata.Metadata {
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return c.md
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}
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func withMetadata(md mdata.Metadata, c net.Conn) net.Conn {
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return &metadataConn{
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Conn: c,
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md: md,
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}
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}
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