63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
// Copyright 2017 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package net
|
|
|
|
import (
|
|
"runtime"
|
|
"syscall"
|
|
)
|
|
|
|
// BUG(mikio): On Windows, the Read and Write methods of
|
|
// syscall.RawConn are not implemented.
|
|
|
|
// BUG(mikio): On NaCl and Plan 9, the Control, Read and Write methods
|
|
// of syscall.RawConn are not implemented.
|
|
|
|
type rawConn struct {
|
|
fd *netFD
|
|
}
|
|
|
|
func (c *rawConn) ok() bool { return c != nil && c.fd != nil }
|
|
|
|
func (c *rawConn) Control(f func(uintptr)) error {
|
|
if !c.ok() {
|
|
return syscall.EINVAL
|
|
}
|
|
err := c.fd.pfd.RawControl(f)
|
|
runtime.KeepAlive(c.fd)
|
|
if err != nil {
|
|
err = &OpError{Op: "raw-control", Net: c.fd.net, Source: nil, Addr: c.fd.laddr, Err: err}
|
|
}
|
|
return err
|
|
}
|
|
|
|
func (c *rawConn) Read(f func(uintptr) bool) error {
|
|
if !c.ok() {
|
|
return syscall.EINVAL
|
|
}
|
|
err := c.fd.pfd.RawRead(f)
|
|
runtime.KeepAlive(c.fd)
|
|
if err != nil {
|
|
err = &OpError{Op: "raw-read", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}
|
|
}
|
|
return err
|
|
}
|
|
|
|
func (c *rawConn) Write(f func(uintptr) bool) error {
|
|
if !c.ok() {
|
|
return syscall.EINVAL
|
|
}
|
|
err := c.fd.pfd.RawWrite(f)
|
|
runtime.KeepAlive(c.fd)
|
|
if err != nil {
|
|
err = &OpError{Op: "raw-write", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}
|
|
}
|
|
return err
|
|
}
|
|
|
|
func newRawConn(fd *netFD) (*rawConn, error) {
|
|
return &rawConn{fd: fd}, nil
|
|
}
|