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- // Copyright 2010 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 (
- "syscall"
- "time"
- )
- // IPConn is the implementation of the Conn and PacketConn interfaces
- // for IP network connections.
- type IPConn struct {
- conn
- }
- // ReadFromIP reads an IP packet from c, copying the payload into b.
- // It returns the number of bytes copied into b and the return address
- // that was on the packet.
- //
- // ReadFromIP can be made to time out and return an error with
- // Timeout() == true after a fixed time limit; see SetDeadline and
- // SetReadDeadline.
- func (c *IPConn) ReadFromIP(b []byte) (int, *IPAddr, error) {
- return 0, nil, syscall.EPLAN9
- }
- // ReadFrom implements the PacketConn ReadFrom method.
- func (c *IPConn) ReadFrom(b []byte) (int, Addr, error) {
- return 0, nil, syscall.EPLAN9
- }
- // ReadMsgIP reads a packet from c, copying the payload into b and the
- // associated out-of-band data into oob. It returns the number of
- // bytes copied into b, the number of bytes copied into oob, the flags
- // that were set on the packet and the source address of the packet.
- func (c *IPConn) ReadMsgIP(b, oob []byte) (n, oobn, flags int, addr *IPAddr, err error) {
- return 0, 0, 0, nil, syscall.EPLAN9
- }
- // WriteToIP writes an IP packet to addr via c, copying the payload
- // from b.
- //
- // WriteToIP can be made to time out and return an error with
- // Timeout() == true after a fixed time limit; see SetDeadline and
- // SetWriteDeadline. On packet-oriented connections, write timeouts
- // are rare.
- func (c *IPConn) WriteToIP(b []byte, addr *IPAddr) (int, error) {
- return 0, syscall.EPLAN9
- }
- // WriteTo implements the PacketConn WriteTo method.
- func (c *IPConn) WriteTo(b []byte, addr Addr) (int, error) {
- return 0, syscall.EPLAN9
- }
- // WriteMsgIP writes a packet to addr via c, copying the payload from
- // b and the associated out-of-band data from oob. It returns the
- // number of payload and out-of-band bytes written.
- func (c *IPConn) WriteMsgIP(b, oob []byte, addr *IPAddr) (n, oobn int, err error) {
- return 0, 0, syscall.EPLAN9
- }
- // DialIP connects to the remote address raddr on the network protocol
- // netProto, which must be "ip", "ip4", or "ip6" followed by a colon
- // and a protocol number or name.
- func DialIP(netProto string, laddr, raddr *IPAddr) (*IPConn, error) {
- return dialIP(netProto, laddr, raddr, noDeadline)
- }
- func dialIP(netProto string, laddr, raddr *IPAddr, deadline time.Time) (*IPConn, error) {
- return nil, syscall.EPLAN9
- }
- // ListenIP listens for incoming IP packets addressed to the local
- // address laddr. The returned connection's ReadFrom and WriteTo
- // methods can be used to receive and send IP packets with per-packet
- // addressing.
- func ListenIP(netProto string, laddr *IPAddr) (*IPConn, error) {
- return nil, syscall.EPLAN9
- }
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