mirror of
https://gitee.com/IrisVega/frp.git
synced 2024-11-01 22:31:29 +08:00
82 lines
2.1 KiB
Go
82 lines
2.1 KiB
Go
// Copyright 2019 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 proxy
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
|
|
"github.com/fatedier/frp/models/config"
|
|
)
|
|
|
|
type TcpProxy struct {
|
|
*BaseProxy
|
|
cfg *config.TcpProxyConf
|
|
|
|
realPort int
|
|
}
|
|
|
|
func (pxy *TcpProxy) Run() (remoteAddr string, err error) {
|
|
xl := pxy.xl
|
|
if pxy.cfg.Group != "" {
|
|
l, realPort, errRet := pxy.rc.TcpGroupCtl.Listen(pxy.name, pxy.cfg.Group, pxy.cfg.GroupKey, pxy.serverCfg.ProxyBindAddr, pxy.cfg.RemotePort)
|
|
if errRet != nil {
|
|
err = errRet
|
|
return
|
|
}
|
|
defer func() {
|
|
if err != nil {
|
|
l.Close()
|
|
}
|
|
}()
|
|
pxy.realPort = realPort
|
|
pxy.listeners = append(pxy.listeners, l)
|
|
xl.Info("tcp proxy listen port [%d] in group [%s]", pxy.cfg.RemotePort, pxy.cfg.Group)
|
|
} else {
|
|
pxy.realPort, err = pxy.rc.TcpPortManager.Acquire(pxy.name, pxy.cfg.RemotePort)
|
|
if err != nil {
|
|
return
|
|
}
|
|
defer func() {
|
|
if err != nil {
|
|
pxy.rc.TcpPortManager.Release(pxy.realPort)
|
|
}
|
|
}()
|
|
listener, errRet := net.Listen("tcp", fmt.Sprintf("%s:%d", pxy.serverCfg.ProxyBindAddr, pxy.realPort))
|
|
if errRet != nil {
|
|
err = errRet
|
|
return
|
|
}
|
|
pxy.listeners = append(pxy.listeners, listener)
|
|
xl.Info("tcp proxy listen port [%d]", pxy.cfg.RemotePort)
|
|
}
|
|
|
|
pxy.cfg.RemotePort = pxy.realPort
|
|
remoteAddr = fmt.Sprintf(":%d", pxy.realPort)
|
|
pxy.startListenHandler(pxy, HandleUserTcpConnection)
|
|
return
|
|
}
|
|
|
|
func (pxy *TcpProxy) GetConf() config.ProxyConf {
|
|
return pxy.cfg
|
|
}
|
|
|
|
func (pxy *TcpProxy) Close() {
|
|
pxy.BaseProxy.Close()
|
|
if pxy.cfg.Group == "" {
|
|
pxy.rc.TcpPortManager.Release(pxy.realPort)
|
|
}
|
|
}
|