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|
package mux
import (
"io"
"net"
"testing"
"time"
"github.com/pion/logging"
"github.com/pion/transport/v2/packetio"
"github.com/pion/transport/v2/test"
"github.com/stretchr/testify/require"
)
const testPipeBufferSize = 8192
func TestNoEndpoints(t *testing.T) {
// In memory pipe
ca, cb := net.Pipe()
require.NoError(t, cb.Close())
m := NewMux(Config{
Conn: ca,
BufferSize: testPipeBufferSize,
LoggerFactory: logging.NewDefaultLoggerFactory(),
})
require.NoError(t, m.dispatch(make([]byte, 1)))
require.NoError(t, m.Close())
require.NoError(t, ca.Close())
}
type muxErrorConnReadResult struct {
err error
data []byte
}
// muxErrorConn
type muxErrorConn struct {
net.Conn
readResults []muxErrorConnReadResult
}
func (m *muxErrorConn) Read(b []byte) (n int, err error) {
err = m.readResults[0].err
copy(b, m.readResults[0].data)
n = len(m.readResults[0].data)
m.readResults = m.readResults[1:]
return
}
/*
Don't end the mux readLoop for packetio.ErrTimeout or io.ErrShortBuffer, assert the following
- io.ErrShortBuffer and packetio.ErrTimeout don't end the read loop
- io.EOF ends the loop
pion/webrtc#1720
*/
func TestNonFatalRead(t *testing.T) {
// Limit runtime in case of deadlocks
lim := test.TimeOut(time.Second * 20)
defer lim.Stop()
expectedData := []byte("expectedData")
// In memory pipe
ca, cb := net.Pipe()
require.NoError(t, cb.Close())
conn := &muxErrorConn{ca, []muxErrorConnReadResult{
// Non-fatal timeout error
{packetio.ErrTimeout, nil},
{nil, expectedData},
{io.ErrShortBuffer, nil},
{nil, expectedData},
{io.EOF, nil},
}}
m := NewMux(Config{
Conn: conn,
BufferSize: testPipeBufferSize,
LoggerFactory: logging.NewDefaultLoggerFactory(),
})
e := m.NewEndpoint(MatchAll)
buff := make([]byte, testPipeBufferSize)
n, err := e.Read(buff)
require.NoError(t, err)
require.Equal(t, buff[:n], expectedData)
n, err = e.Read(buff)
require.NoError(t, err)
require.Equal(t, buff[:n], expectedData)
<-m.closedCh
require.NoError(t, m.Close())
require.NoError(t, ca.Close())
}
// If a endpoint returns packetio.ErrFull it is a non-fatal error and shouldn't cause
// the mux to be destroyed
// pion/webrtc#2180
func TestNonFatalDispatch(t *testing.T) {
in, out := net.Pipe()
m := NewMux(Config{
Conn: out,
LoggerFactory: logging.NewDefaultLoggerFactory(),
BufferSize: 1500,
})
e := m.NewEndpoint(MatchSRTP)
e.buffer.SetLimitSize(1)
for i := 0; i <= 25; i++ {
srtpPacket := []byte{128, 1, 2, 3, 4}
_, err := in.Write(srtpPacket)
require.NoError(t, err)
}
require.NoError(t, m.Close())
require.NoError(t, in.Close())
require.NoError(t, out.Close())
}
func BenchmarkDispatch(b *testing.B) {
m := &Mux{
endpoints: make(map[*Endpoint]MatchFunc),
log: logging.NewDefaultLoggerFactory().NewLogger("mux"),
}
e := m.NewEndpoint(MatchSRTP)
m.NewEndpoint(MatchSRTCP)
buf := []byte{128, 1, 2, 3, 4}
buf2 := make([]byte, 1200)
b.StartTimer()
for i := 0; i < b.N; i++ {
err := m.dispatch(buf)
if err != nil {
b.Errorf("dispatch: %v", err)
}
_, err = e.buffer.Read(buf2)
if err != nil {
b.Errorf("read: %v", err)
}
}
}
|
