mirror of
https://github.com/bolucat/Archive.git
synced 2026-04-22 16:07:49 +08:00
bolucat
70 lines
2.3 KiB
Go
70 lines
2.3 KiB
Go
// Copyright (c) 2016-present Cloud <cloud@txthinking.com>
|
|
//
|
|
// This program is free software; you can redistribute it and/or
|
|
// modify it under the terms of version 3 of the GNU General Public
|
|
// License as published by the Free Software Foundation.
|
|
//
|
|
// This program is distributed in the hope that it will be useful, but
|
|
// WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
package brook
|
|
|
|
import (
|
|
"fmt"
|
|
)
|
|
|
|
func EchoClient(server string, times int) error {
|
|
c, err := DialTCP("tcp", "", server)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer c.Close()
|
|
var b [1024 * 2]byte
|
|
for i := 0; i < times; i++ {
|
|
if _, err := c.Write([]byte(c.LocalAddr().String())); err != nil {
|
|
return err
|
|
}
|
|
i, err := c.Read(b[:])
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if c.LocalAddr().String() == string(b[:i]) {
|
|
fmt.Printf("TCP: src:%s -> dst:%s\n", c.LocalAddr().String(), c.RemoteAddr().String())
|
|
fmt.Printf("TCP: dst:%s <- src:%s\n", c.LocalAddr().String(), c.RemoteAddr().String())
|
|
}
|
|
if c.LocalAddr().String() != string(b[:i]) {
|
|
fmt.Printf("TCP: src:%s -> dst:proxy -> src:proxy -> dst:%s\n", c.LocalAddr().String(), c.RemoteAddr().String())
|
|
fmt.Printf("TCP: dst:%s <- src:proxy <- dst:%s <- src:%s\n", c.LocalAddr().String(), string(b[:i]), c.RemoteAddr().String())
|
|
}
|
|
}
|
|
|
|
c1, err := DialUDP("udp", "", server)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer c1.Close()
|
|
for i := 0; i < times; i++ {
|
|
if _, err := c1.Write([]byte(c1.LocalAddr().String())); err != nil {
|
|
return err
|
|
}
|
|
i, err := c1.Read(b[:])
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if c1.LocalAddr().String() == string(b[:i]) {
|
|
fmt.Printf("UDP: src:%s -> dst:%s\n", c1.LocalAddr().String(), c1.RemoteAddr().String())
|
|
fmt.Printf("UDP: dst:%s <- src:%s\n", c1.LocalAddr().String(), c1.RemoteAddr().String())
|
|
}
|
|
if c1.LocalAddr().String() != string(b[:i]) {
|
|
fmt.Printf("UDP: src:%s -> dst:proxy -> src:proxy -> dst:%s\n", c1.LocalAddr().String(), c1.RemoteAddr().String())
|
|
fmt.Printf("UDP: dst:%s <- src:proxy <- dst:%s <- src:%s\n", c1.LocalAddr().String(), string(b[:i]), c1.RemoteAddr().String())
|
|
}
|
|
}
|
|
return nil
|
|
}
|