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path: root/src/pkg/net/tcpsock_plan9.go
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Diffstat (limited to 'src/pkg/net/tcpsock_plan9.go')
-rw-r--r--src/pkg/net/tcpsock_plan9.go198
1 files changed, 0 insertions, 198 deletions
diff --git a/src/pkg/net/tcpsock_plan9.go b/src/pkg/net/tcpsock_plan9.go
deleted file mode 100644
index 52019d7b4..000000000
--- a/src/pkg/net/tcpsock_plan9.go
+++ /dev/null
@@ -1,198 +0,0 @@
-// 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 (
- "io"
- "os"
- "syscall"
- "time"
-)
-
-// TCPConn is an implementation of the Conn interface for TCP network
-// connections.
-type TCPConn struct {
- conn
-}
-
-func newTCPConn(fd *netFD) *TCPConn {
- return &TCPConn{conn{fd}}
-}
-
-// ReadFrom implements the io.ReaderFrom ReadFrom method.
-func (c *TCPConn) ReadFrom(r io.Reader) (int64, error) {
- return genericReadFrom(c, r)
-}
-
-// CloseRead shuts down the reading side of the TCP connection.
-// Most callers should just use Close.
-func (c *TCPConn) CloseRead() error {
- if !c.ok() {
- return syscall.EINVAL
- }
- return c.fd.closeRead()
-}
-
-// CloseWrite shuts down the writing side of the TCP connection.
-// Most callers should just use Close.
-func (c *TCPConn) CloseWrite() error {
- if !c.ok() {
- return syscall.EINVAL
- }
- return c.fd.closeWrite()
-}
-
-// SetLinger sets the behavior of Close on a connection which still
-// has data waiting to be sent or to be acknowledged.
-//
-// If sec < 0 (the default), the operating system finishes sending the
-// data in the background.
-//
-// If sec == 0, the operating system discards any unsent or
-// unacknowledged data.
-//
-// If sec > 0, the data is sent in the background as with sec < 0. On
-// some operating systems after sec seconds have elapsed any remaining
-// unsent data may be discarded.
-func (c *TCPConn) SetLinger(sec int) error {
- return syscall.EPLAN9
-}
-
-// SetKeepAlive sets whether the operating system should send
-// keepalive messages on the connection.
-func (c *TCPConn) SetKeepAlive(keepalive bool) error {
- if !c.ok() {
- return syscall.EPLAN9
- }
- return setKeepAlive(c.fd, keepalive)
-}
-
-// SetKeepAlivePeriod sets period between keep alives.
-func (c *TCPConn) SetKeepAlivePeriod(d time.Duration) error {
- if !c.ok() {
- return syscall.EPLAN9
- }
- return setKeepAlivePeriod(c.fd, d)
-}
-
-// SetNoDelay controls whether the operating system should delay
-// packet transmission in hopes of sending fewer packets (Nagle's
-// algorithm). The default is true (no delay), meaning that data is
-// sent as soon as possible after a Write.
-func (c *TCPConn) SetNoDelay(noDelay bool) error {
- return syscall.EPLAN9
-}
-
-// DialTCP connects to the remote address raddr on the network net,
-// which must be "tcp", "tcp4", or "tcp6". If laddr is not nil, it is
-// used as the local address for the connection.
-func DialTCP(net string, laddr, raddr *TCPAddr) (*TCPConn, error) {
- return dialTCP(net, laddr, raddr, noDeadline)
-}
-
-func dialTCP(net string, laddr, raddr *TCPAddr, deadline time.Time) (*TCPConn, error) {
- if !deadline.IsZero() {
- panic("net.dialTCP: deadline not implemented on Plan 9")
- }
- switch net {
- case "tcp", "tcp4", "tcp6":
- default:
- return nil, &OpError{"dial", net, raddr, UnknownNetworkError(net)}
- }
- if raddr == nil {
- return nil, &OpError{"dial", net, nil, errMissingAddress}
- }
- fd, err := dialPlan9(net, laddr, raddr)
- if err != nil {
- return nil, err
- }
- return newTCPConn(fd), nil
-}
-
-// TCPListener is a TCP network listener. Clients should typically
-// use variables of type Listener instead of assuming TCP.
-type TCPListener struct {
- fd *netFD
-}
-
-// AcceptTCP accepts the next incoming call and returns the new
-// connection.
-func (l *TCPListener) AcceptTCP() (*TCPConn, error) {
- if l == nil || l.fd == nil || l.fd.ctl == nil {
- return nil, syscall.EINVAL
- }
- fd, err := l.fd.acceptPlan9()
- if err != nil {
- return nil, err
- }
- return newTCPConn(fd), nil
-}
-
-// Accept implements the Accept method in the Listener interface; it
-// waits for the next call and returns a generic Conn.
-func (l *TCPListener) Accept() (Conn, error) {
- if l == nil || l.fd == nil || l.fd.ctl == nil {
- return nil, syscall.EINVAL
- }
- c, err := l.AcceptTCP()
- if err != nil {
- return nil, err
- }
- return c, nil
-}
-
-// Close stops listening on the TCP address.
-// Already Accepted connections are not closed.
-func (l *TCPListener) Close() error {
- if l == nil || l.fd == nil || l.fd.ctl == nil {
- return syscall.EINVAL
- }
- if _, err := l.fd.ctl.WriteString("hangup"); err != nil {
- l.fd.ctl.Close()
- return &OpError{"close", l.fd.ctl.Name(), l.fd.laddr, err}
- }
- return l.fd.ctl.Close()
-}
-
-// Addr returns the listener's network address, a *TCPAddr.
-func (l *TCPListener) Addr() Addr { return l.fd.laddr }
-
-// SetDeadline sets the deadline associated with the listener.
-// A zero time value disables the deadline.
-func (l *TCPListener) SetDeadline(t time.Time) error {
- if l == nil || l.fd == nil || l.fd.ctl == nil {
- return syscall.EINVAL
- }
- return l.fd.setDeadline(t)
-}
-
-// File returns a copy of the underlying os.File, set to blocking
-// mode. It is the caller's responsibility to close f when finished.
-// Closing l does not affect f, and closing f does not affect l.
-//
-// The returned os.File's file descriptor is different from the
-// connection's. Attempting to change properties of the original
-// using this duplicate may or may not have the desired effect.
-func (l *TCPListener) File() (f *os.File, err error) { return l.dup() }
-
-// ListenTCP announces on the TCP address laddr and returns a TCP
-// listener. Net must be "tcp", "tcp4", or "tcp6". If laddr has a
-// port of 0, ListenTCP will choose an available port. The caller can
-// use the Addr method of TCPListener to retrieve the chosen address.
-func ListenTCP(net string, laddr *TCPAddr) (*TCPListener, error) {
- switch net {
- case "tcp", "tcp4", "tcp6":
- default:
- return nil, &OpError{"listen", net, laddr, UnknownNetworkError(net)}
- }
- if laddr == nil {
- laddr = &TCPAddr{}
- }
- fd, err := listenPlan9(net, laddr)
- if err != nil {
- return nil, err
- }
- return &TCPListener{fd}, nil
-}