frp/utils/net/conn.go

// Copyright 2016 fatedier, fatedier@gmail.com
//
// 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.

package net

import (
	"io"
	"net"
	"time"

	"github.com/fatedier/frp/utils/log"
)

// Conn is the interface of connections used in frp.
type Conn interface {
	net.Conn
	log.Logger
}

type WrapLogConn struct {
	net.Conn
	log.Logger
}

func WrapConn(c net.Conn) Conn {
	return &WrapLogConn{
		Conn:   c,
		Logger: log.NewPrefixLogger(""),
	}
}

type WrapReadWriteCloserConn struct {
	io.ReadWriteCloser
	log.Logger
}

func (conn *WrapReadWriteCloserConn) LocalAddr() net.Addr {
	return (*net.TCPAddr)(nil)
}

func (conn *WrapReadWriteCloserConn) RemoteAddr() net.Addr {
	return (*net.TCPAddr)(nil)
}

func (conn *WrapReadWriteCloserConn) SetDeadline(t time.Time) error {
	return nil
}

func (conn *WrapReadWriteCloserConn) SetReadDeadline(t time.Time) error {
	return nil
}

func (conn *WrapReadWriteCloserConn) SetWriteDeadline(t time.Time) error {
	return nil
}

func WrapReadWriteCloserToConn(rwc io.ReadWriteCloser) Conn {
	return &WrapReadWriteCloserConn{
		ReadWriteCloser: rwc,
		Logger:          log.NewPrefixLogger(""),
	}
}

type Listener interface {
	Accept() (Conn, error)
	Close() error
	log.Logger
}