mirror of
https://github.com/fatedier/frp.git
synced 2024-12-12 17:50:51 +01:00
101 lines
1.9 KiB
Go
101 lines
1.9 KiB
Go
// Copyright 2017 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 (
|
|
"fmt"
|
|
"net"
|
|
"sync"
|
|
|
|
"github.com/fatedier/frp/utils/log"
|
|
|
|
"github.com/fatedier/golib/errors"
|
|
)
|
|
|
|
type Listener interface {
|
|
Accept() (Conn, error)
|
|
Close() error
|
|
log.Logger
|
|
}
|
|
|
|
type LogListener struct {
|
|
l net.Listener
|
|
net.Listener
|
|
log.Logger
|
|
}
|
|
|
|
func WrapLogListener(l net.Listener) Listener {
|
|
return &LogListener{
|
|
l: l,
|
|
Listener: l,
|
|
Logger: log.NewPrefixLogger(""),
|
|
}
|
|
}
|
|
|
|
func (logL *LogListener) Accept() (Conn, error) {
|
|
c, err := logL.l.Accept()
|
|
return WrapConn(c), err
|
|
}
|
|
|
|
// Custom listener
|
|
type CustomListener struct {
|
|
conns chan Conn
|
|
closed bool
|
|
mu sync.Mutex
|
|
|
|
log.Logger
|
|
}
|
|
|
|
func NewCustomListener() *CustomListener {
|
|
return &CustomListener{
|
|
conns: make(chan Conn, 64),
|
|
Logger: log.NewPrefixLogger(""),
|
|
}
|
|
}
|
|
|
|
func (l *CustomListener) Accept() (Conn, error) {
|
|
conn, ok := <-l.conns
|
|
if !ok {
|
|
return nil, fmt.Errorf("listener closed")
|
|
}
|
|
conn.AddLogPrefix(l.GetPrefixStr())
|
|
return conn, nil
|
|
}
|
|
|
|
func (l *CustomListener) PutConn(conn Conn) error {
|
|
err := errors.PanicToError(func() {
|
|
select {
|
|
case l.conns <- conn:
|
|
default:
|
|
conn.Close()
|
|
}
|
|
})
|
|
return err
|
|
}
|
|
|
|
func (l *CustomListener) Close() error {
|
|
l.mu.Lock()
|
|
defer l.mu.Unlock()
|
|
if !l.closed {
|
|
close(l.conns)
|
|
l.closed = true
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (l *CustomListener) Addr() net.Addr {
|
|
return (*net.TCPAddr)(nil)
|
|
}
|