listen_linux.go

//   Copyright 2014 Vastech SA (PTY) LTD
//
//   Licensed under the Apache License, Version 2.0 (the "License");
//   you may not use this file except in compliance with the License.
//   You may obtain a copy of the License at
//
//       http://www.apache.org/licenses/LICENSE-2.0
//
//   Unless required by applicable law or agreed to in writing, software
//   distributed under the License is distributed on an "AS IS" BASIS,
//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//   See the License for the specific language governing permissions and
//   limitations under the License.

// +build linux

package ib

import (
	"errors"
	"net"
)

type RCListener struct {
	l     *net.TCPListener
	iface *Interface
}

var errNoInterfaceForAddr = errors.New("ib: ListenRC: no interface for address")

func ListenRC(laddr *net.TCPAddr) (*RCListener, error) {
	if laddr == nil {
		return nil, invalidAddrError
	}
	iface := InterfaceForAddr(&net.IPNet{IP: laddr.IP})
	if iface == nil {
		return nil, errNoInterfaceForAddr
	}
	l, err := net.ListenTCP("tcp", laddr)
	if err != nil {
		return nil, err
	}
	return &RCListener{l, iface}, nil
}

func (this *RCListener) Accept() (*RCConn, error) {
	c, err := this.l.AcceptTCP()
	if err != nil {
		return nil, err
	}
	defer checkClose(c)
	return newRCConn(c, this.iface)
}

func (this *RCListener) Addr() net.Addr {
	return this.l.Addr()
}

func (this *RCListener) Close() error {
	return this.l.Close()
}