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frp/tests/echo_server.go

86 lines
1.3 KiB

package tests
import (
"bufio"
"fmt"
"io"
"net"
"os"
"syscall"
frpNet "github.com/fatedier/frp/utils/net"
)
func StartEchoServer() {
l, err := frpNet.ListenTcp("127.0.0.1", 10701)
if err != nil {
fmt.Printf("echo server listen error: %v\n", err)
return
}
for {
c, err := l.Accept()
if err != nil {
fmt.Printf("echo server accept error: %v\n", err)
return
}
go echoWorker(c)
}
}
func StartUdpEchoServer() {
l, err := frpNet.ListenUDP("127.0.0.1", 10703)
if err != nil {
fmt.Printf("udp echo server listen error: %v\n", err)
return
}
for {
c, err := l.Accept()
if err != nil {
fmt.Printf("udp echo server accept error: %v\n", err)
return
}
go echoWorker(c)
}
}
func StartUnixDomainServer() {
unixPath := "/tmp/frp_echo_server.sock"
os.Remove(unixPath)
syscall.Umask(0)
l, err := net.Listen("unix", unixPath)
if err != nil {
fmt.Printf("unix domain server listen error: %v\n", err)
return
}
for {
c, err := l.Accept()
if err != nil {
fmt.Printf("unix domain server accept error: %v\n", err)
return
}
go echoWorker(c)
}
}
func echoWorker(c net.Conn) {
br := bufio.NewReader(c)
for {
buf, err := br.ReadString('\n')
if err == io.EOF {
break
}
if err != nil {
fmt.Printf("echo server read error: %v\n", err)
return
}
c.Write([]byte(buf + "\n"))
}
}