76 lines
1.6 KiB
Go
76 lines
1.6 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package net
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import (
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"context"
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"io"
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"os"
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)
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func (c *TCPConn) readFrom(r io.Reader) (int64, error) {
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return genericReadFrom(c, r)
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}
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func dialTCP(ctx context.Context, net string, laddr, raddr *TCPAddr) (*TCPConn, error) {
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if testHookDialTCP != nil {
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return testHookDialTCP(ctx, net, laddr, raddr)
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}
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return doDialTCP(ctx, net, laddr, raddr)
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}
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func doDialTCP(ctx context.Context, net string, laddr, raddr *TCPAddr) (*TCPConn, error) {
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switch net {
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case "tcp", "tcp4", "tcp6":
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default:
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return nil, UnknownNetworkError(net)
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}
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if raddr == nil {
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return nil, errMissingAddress
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}
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fd, err := dialPlan9(ctx, net, laddr, raddr)
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if err != nil {
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return nil, err
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}
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return newTCPConn(fd), nil
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}
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func (ln *TCPListener) ok() bool { return ln != nil && ln.fd != nil && ln.fd.ctl != nil }
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func (ln *TCPListener) accept() (*TCPConn, error) {
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fd, err := ln.fd.acceptPlan9()
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if err != nil {
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return nil, err
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}
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return newTCPConn(fd), nil
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}
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func (ln *TCPListener) close() error {
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if _, err := ln.fd.ctl.WriteString("hangup"); err != nil {
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ln.fd.ctl.Close()
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return err
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}
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if err := ln.fd.ctl.Close(); err != nil {
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return err
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}
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return nil
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}
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func (ln *TCPListener) file() (*os.File, error) {
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f, err := ln.dup()
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if err != nil {
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return nil, err
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}
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return f, nil
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}
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func listenTCP(ctx context.Context, network string, laddr *TCPAddr) (*TCPListener, error) {
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fd, err := listenPlan9(ctx, network, laddr)
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if err != nil {
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return nil, err
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}
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return &TCPListener{fd}, nil
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}
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