/
listener.go
107 lines (91 loc) · 2.07 KB
/
listener.go
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// 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/HaidyCao/frp_0290/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) {
log.Info("call Accept")
c, err := logL.l.Accept()
log.Info("Accept new conn: ", c)
return WrapConn(c), err
}
// Close 关闭listener
func (logL *LogListener) Close() error {
return logL.l.Close()
}
// 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)
}