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// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
// SPDX-License-Identifier: MIT
package dtls
import (
"context"
"crypto/tls"
"fmt"
"testing"
"time"
"github.com/pion/dtls/v3/pkg/crypto/selfsign"
dtlsnet "github.com/pion/dtls/v3/pkg/net"
"github.com/pion/logging"
"github.com/pion/transport/v3/dpipe"
"github.com/pion/transport/v3/test"
"github.com/stretchr/testify/assert"
)
func TestSimpleReadWrite(t *testing.T) {
report := test.CheckRoutines(t)
defer report()
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
ca, cb := dpipe.Pipe()
certificate, err := selfsign.GenerateSelfSigned()
assert.NoError(t, err)
gotHello := make(chan struct{})
go func() {
server, sErr := testServer(ctx, dtlsnet.PacketConnFromConn(cb), cb.RemoteAddr(), &Config{
Certificates: []tls.Certificate{certificate},
LoggerFactory: logging.NewDefaultLoggerFactory(),
}, false)
assert.NoError(t, sErr)
buf := make([]byte, 1024)
_, sErr = server.Read(buf) //nolint:contextcheck
assert.NoError(t, sErr)
gotHello <- struct{}{}
assert.NoError(t, server.Close()) //nolint:contextcheck
}()
client, err := testClient(ctx, dtlsnet.PacketConnFromConn(ca), ca.RemoteAddr(), &Config{
LoggerFactory: logging.NewDefaultLoggerFactory(),
InsecureSkipVerify: true,
}, false)
assert.NoError(t, err)
_, err = client.Write([]byte("hello"))
assert.NoError(t, err)
select {
case <-gotHello:
// OK
case <-time.After(time.Second * 5):
assert.Fail(t, "timeout")
}
assert.NoError(t, client.Close())
}
func benchmarkConn(b *testing.B, payloadSize int64) {
b.Helper()
b.Run(fmt.Sprintf("%d", payloadSize), func(b *testing.B) {
ctx := context.Background()
ca, cb := dpipe.Pipe()
certificate, err := selfsign.GenerateSelfSigned()
assert.NoError(b, err)
server := make(chan *Conn)
go func() {
s, sErr := testServer(ctx, dtlsnet.PacketConnFromConn(cb), cb.RemoteAddr(), &Config{
Certificates: []tls.Certificate{certificate},
}, false)
assert.NoError(b, sErr)
server <- s
}()
hw := make([]byte, payloadSize)
b.ReportAllocs()
b.SetBytes(int64(len(hw)))
go func() {
client, cErr := testClient(
ctx, dtlsnet.PacketConnFromConn(ca), ca.RemoteAddr(), &Config{InsecureSkipVerify: true}, false,
)
assert.NoError(b, cErr)
for {
_, cErr = client.Write(hw) //nolint:contextcheck
assert.NoError(b, cErr)
}
}()
s := <-server
buf := make([]byte, 2048)
for i := 0; i < b.N; i++ {
_, err = s.Read(buf)
assert.NoError(b, err)
}
})
}
func BenchmarkConnReadWrite(b *testing.B) {
for _, n := range []int64{16, 128, 512, 1024, 2048} {
benchmarkConn(b, n)
}
}
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