| 1 |
747 |
jeremybenn |
// Copyright 2010 The Go Authors. All rights reserved.
|
| 2 |
|
|
// Use of this source code is governed by a BSD-style
|
| 3 |
|
|
// license that can be found in the LICENSE file.
|
| 4 |
|
|
|
| 5 |
|
|
// (Raw) IP sockets stubs for Plan 9
|
| 6 |
|
|
|
| 7 |
|
|
package net
|
| 8 |
|
|
|
| 9 |
|
|
import (
|
| 10 |
|
|
"os"
|
| 11 |
|
|
"time"
|
| 12 |
|
|
)
|
| 13 |
|
|
|
| 14 |
|
|
// IPConn is the implementation of the Conn and PacketConn
|
| 15 |
|
|
// interfaces for IP network connections.
|
| 16 |
|
|
type IPConn bool
|
| 17 |
|
|
|
| 18 |
|
|
// SetDeadline implements the Conn SetDeadline method.
|
| 19 |
|
|
func (c *IPConn) SetDeadline(t time.Time) error {
|
| 20 |
|
|
return os.EPLAN9
|
| 21 |
|
|
}
|
| 22 |
|
|
|
| 23 |
|
|
// SetReadDeadline implements the Conn SetReadDeadline method.
|
| 24 |
|
|
func (c *IPConn) SetReadDeadline(t time.Time) error {
|
| 25 |
|
|
return os.EPLAN9
|
| 26 |
|
|
}
|
| 27 |
|
|
|
| 28 |
|
|
// SetWriteDeadline implements the Conn SetWriteDeadline method.
|
| 29 |
|
|
func (c *IPConn) SetWriteDeadline(t time.Time) error {
|
| 30 |
|
|
return os.EPLAN9
|
| 31 |
|
|
}
|
| 32 |
|
|
|
| 33 |
|
|
// Implementation of the Conn interface - see Conn for documentation.
|
| 34 |
|
|
|
| 35 |
|
|
// Read implements the Conn Read method.
|
| 36 |
|
|
func (c *IPConn) Read(b []byte) (int, error) {
|
| 37 |
|
|
return 0, os.EPLAN9
|
| 38 |
|
|
}
|
| 39 |
|
|
|
| 40 |
|
|
// Write implements the Conn Write method.
|
| 41 |
|
|
func (c *IPConn) Write(b []byte) (int, error) {
|
| 42 |
|
|
return 0, os.EPLAN9
|
| 43 |
|
|
}
|
| 44 |
|
|
|
| 45 |
|
|
// Close closes the IP connection.
|
| 46 |
|
|
func (c *IPConn) Close() error {
|
| 47 |
|
|
return os.EPLAN9
|
| 48 |
|
|
}
|
| 49 |
|
|
|
| 50 |
|
|
// LocalAddr returns the local network address.
|
| 51 |
|
|
func (c *IPConn) LocalAddr() Addr {
|
| 52 |
|
|
return nil
|
| 53 |
|
|
}
|
| 54 |
|
|
|
| 55 |
|
|
// RemoteAddr returns the remote network address, a *IPAddr.
|
| 56 |
|
|
func (c *IPConn) RemoteAddr() Addr {
|
| 57 |
|
|
return nil
|
| 58 |
|
|
}
|
| 59 |
|
|
|
| 60 |
|
|
// IP-specific methods.
|
| 61 |
|
|
|
| 62 |
|
|
// ReadFromIP reads a IP packet from c, copying the payload into b.
|
| 63 |
|
|
// It returns the number of bytes copied into b and the return address
|
| 64 |
|
|
// that was on the packet.
|
| 65 |
|
|
//
|
| 66 |
|
|
// ReadFromIP can be made to time out and return an error with
|
| 67 |
|
|
// Timeout() == true after a fixed time limit; see SetDeadline and
|
| 68 |
|
|
// SetReadDeadline.
|
| 69 |
|
|
func (c *IPConn) ReadFromIP(b []byte) (int, *IPAddr, error) {
|
| 70 |
|
|
return 0, nil, os.EPLAN9
|
| 71 |
|
|
}
|
| 72 |
|
|
|
| 73 |
|
|
// ReadFrom implements the PacketConn ReadFrom method.
|
| 74 |
|
|
func (c *IPConn) ReadFrom(b []byte) (int, Addr, error) {
|
| 75 |
|
|
return 0, nil, os.EPLAN9
|
| 76 |
|
|
}
|
| 77 |
|
|
|
| 78 |
|
|
// WriteToIP writes a IP packet to addr via c, copying the payload from b.
|
| 79 |
|
|
//
|
| 80 |
|
|
// WriteToIP can be made to time out and return
|
| 81 |
|
|
// an error with Timeout() == true after a fixed time limit;
|
| 82 |
|
|
// see SetDeadline and SetWriteDeadline.
|
| 83 |
|
|
// On packet-oriented connections, write timeouts are rare.
|
| 84 |
|
|
func (c *IPConn) WriteToIP(b []byte, addr *IPAddr) (int, error) {
|
| 85 |
|
|
return 0, os.EPLAN9
|
| 86 |
|
|
}
|
| 87 |
|
|
|
| 88 |
|
|
// WriteTo implements the PacketConn WriteTo method.
|
| 89 |
|
|
func (c *IPConn) WriteTo(b []byte, addr Addr) (int, error) {
|
| 90 |
|
|
return 0, os.EPLAN9
|
| 91 |
|
|
}
|
| 92 |
|
|
|
| 93 |
|
|
// DialIP connects to the remote address raddr on the network protocol netProto,
|
| 94 |
|
|
// which must be "ip", "ip4", or "ip6" followed by a colon and a protocol number or name.
|
| 95 |
|
|
func DialIP(netProto string, laddr, raddr *IPAddr) (*IPConn, error) {
|
| 96 |
|
|
return nil, os.EPLAN9
|
| 97 |
|
|
}
|
| 98 |
|
|
|
| 99 |
|
|
// ListenIP listens for incoming IP packets addressed to the
|
| 100 |
|
|
// local address laddr. The returned connection c's ReadFrom
|
| 101 |
|
|
// and WriteTo methods can be used to receive and send IP
|
| 102 |
|
|
// packets with per-packet addressing.
|
| 103 |
|
|
func ListenIP(netProto string, laddr *IPAddr) (*IPConn, error) {
|
| 104 |
|
|
return nil, os.EPLAN9
|
| 105 |
|
|
}
|