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package kcp_test
import (
"context"
"crypto/rand"
"io"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"golang.org/x/sync/errgroup"
"v2ray.com/core/common"
"v2ray.com/core/common/errors"
"v2ray.com/core/common/net"
"v2ray.com/core/transport/internet"
. "v2ray.com/core/transport/internet/kcp"
)
func TestDialAndListen(t *testing.T) {
t.Skip() // this fails on debian buildd: armel, and armhf // mipsel, and mips64el
listerner, err := NewListener(context.Background(), net.LocalHostIP, net.Port(0), &internet.MemoryStreamConfig{
ProtocolName: "mkcp",
ProtocolSettings: &Config{},
}, func(conn internet.Connection) {
go func(c internet.Connection) {
payload := make([]byte, 4096)
for {
nBytes, err := c.Read(payload)
if err != nil {
break
}
for idx, b := range payload[:nBytes] {
payload[idx] = b ^ 'c'
}
c.Write(payload[:nBytes])
}
c.Close()
}(conn)
})
common.Must(err)
defer listerner.Close()
port := net.Port(listerner.Addr().(*net.UDPAddr).Port)
var errg errgroup.Group
for i := 0; i < 10; i++ {
errg.Go(func() error {
clientConn, err := DialKCP(context.Background(), net.UDPDestination(net.LocalHostIP, port), &internet.MemoryStreamConfig{
ProtocolName: "mkcp",
ProtocolSettings: &Config{},
})
if err != nil {
return err
}
defer clientConn.Close()
clientSend := make([]byte, 1024*1024)
rand.Read(clientSend)
go clientConn.Write(clientSend)
clientReceived := make([]byte, 1024*1024)
common.Must2(io.ReadFull(clientConn, clientReceived))
clientExpected := make([]byte, 1024*1024)
for idx, b := range clientSend {
clientExpected[idx] = b ^ 'c'
}
if r := cmp.Diff(clientReceived, clientExpected); r != "" {
return errors.New(r)
}
return nil
})
}
if err := errg.Wait(); err != nil {
t.Fatal(err)
}
for i := 0; i < 60 && listerner.ActiveConnections() > 0; i++ {
time.Sleep(500 * time.Millisecond)
}
if v := listerner.ActiveConnections(); v != 0 {
t.Error("active connections: ", v)
}
}
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