blob: d2860607f8b9be253388dd412555c208d3036b7c [file] [log] [blame]
// Copyright 2009 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 (
"context"
"io"
"os"
)
func (c *TCPConn) readFrom(r io.Reader) (int64, error) {
return genericReadFrom(c, r)
}
func dialTCP(ctx context.Context, net string, laddr, raddr *TCPAddr) (*TCPConn, error) {
if testHookDialTCP != nil {
return testHookDialTCP(ctx, net, laddr, raddr)
}
return doDialTCP(ctx, net, laddr, raddr)
}
func doDialTCP(ctx context.Context, net string, laddr, raddr *TCPAddr) (*TCPConn, error) {
switch net {
case "tcp", "tcp4", "tcp6":
default:
return nil, UnknownNetworkError(net)
}
if raddr == nil {
return nil, errMissingAddress
}
fd, err := dialPlan9(ctx, net, laddr, raddr)
if err != nil {
return nil, err
}
return newTCPConn(fd), nil
}
func (ln *TCPListener) ok() bool { return ln != nil && ln.fd != nil && ln.fd.ctl != nil }
func (ln *TCPListener) accept() (*TCPConn, error) {
fd, err := ln.fd.acceptPlan9()
if err != nil {
return nil, err
}
return newTCPConn(fd), nil
}
func (ln *TCPListener) close() error {
if _, err := ln.fd.ctl.WriteString("hangup"); err != nil {
ln.fd.ctl.Close()
return err
}
if err := ln.fd.ctl.Close(); err != nil {
return err
}
return nil
}
func (ln *TCPListener) file() (*os.File, error) {
f, err := ln.dup()
if err != nil {
return nil, err
}
return f, nil
}
func listenTCP(ctx context.Context, network string, laddr *TCPAddr) (*TCPListener, error) {
fd, err := listenPlan9(ctx, network, laddr)
if err != nil {
return nil, err
}
return &TCPListener{fd}, nil
}