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//go:build !js
// +build !js
package ice
import (
"net"
"strings"
"sync"
"testing"
"time"
"github.com/pion/transport/v2/test"
"github.com/stretchr/testify/require"
)
func TestMultiUDPMux(t *testing.T) {
report := test.CheckRoutines(t)
defer report()
lim := test.TimeOut(time.Second * 30)
defer lim.Stop()
conn1, err := net.ListenUDP(udp, &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1)})
require.NoError(t, err)
conn2, err := net.ListenUDP(udp, &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1)})
require.NoError(t, err)
conn3, err := net.ListenUDP(udp, &net.UDPAddr{IP: net.IPv6loopback})
if err != nil {
// ipv6 is not supported on this machine
t.Log("ipv6 is not supported on this machine")
}
muxes := []UDPMux{}
muxV41 := NewUDPMuxDefault(UDPMuxParams{UDPConn: conn1})
muxes = append(muxes, muxV41)
muxV42 := NewUDPMuxDefault(UDPMuxParams{UDPConn: conn2})
muxes = append(muxes, muxV42)
if conn3 != nil {
muxV6 := NewUDPMuxDefault(UDPMuxParams{UDPConn: conn3})
muxes = append(muxes, muxV6)
}
udpMuxMulti := NewMultiUDPMuxDefault(muxes...)
defer func() {
_ = udpMuxMulti.Close()
_ = conn1.Close()
_ = conn2.Close()
}()
wg := sync.WaitGroup{}
wg.Add(1)
go func() {
defer wg.Done()
testMultiUDPMuxConnections(t, udpMuxMulti, "ufrag1", udp)
}()
wg.Add(1)
go func() {
defer wg.Done()
testMultiUDPMuxConnections(t, udpMuxMulti, "ufrag2", udp4)
}()
// skip ipv6 test on i386
const ptrSize = 32 << (^uintptr(0) >> 63)
if ptrSize != 32 {
testMultiUDPMuxConnections(t, udpMuxMulti, "ufrag3", udp6)
}
wg.Wait()
require.NoError(t, udpMuxMulti.Close())
// can't create more connections
_, err = udpMuxMulti.GetConn("failufrag", conn1.LocalAddr())
require.Error(t, err)
}
func testMultiUDPMuxConnections(t *testing.T, udpMuxMulti *MultiUDPMuxDefault, ufrag string, network string) {
addrs := udpMuxMulti.GetListenAddresses()
pktConns := make([]net.PacketConn, 0, len(addrs))
for _, addr := range addrs {
udpAddr, ok := addr.(*net.UDPAddr)
require.True(t, ok)
if network == udp4 && udpAddr.IP.To4() == nil {
continue
} else if network == udp6 && udpAddr.IP.To4() != nil {
continue
}
c, err := udpMuxMulti.GetConn(ufrag, addr)
require.NoError(t, err, "error retrieving muxed connection for ufrag")
pktConns = append(pktConns, c)
}
defer func() {
for _, c := range pktConns {
_ = c.Close()
}
}()
// Try talking with each PacketConn
for _, pktConn := range pktConns {
remoteConn, err := net.DialUDP(network, nil, pktConn.LocalAddr().(*net.UDPAddr))
require.NoError(t, err, "error dialing test udp connection")
testMuxConnectionPair(t, pktConn, remoteConn, ufrag)
}
}
func TestUnspecifiedUDPMux(t *testing.T) {
report := test.CheckRoutines(t)
defer report()
lim := test.TimeOut(time.Second * 30)
defer lim.Stop()
muxPort := 7778
udpMuxMulti, err := NewMultiUDPMuxFromPort(muxPort, UDPMuxFromPortWithInterfaceFilter(func(s string) bool {
defaultDockerBridgeNetwork := strings.Contains(s, "docker")
customDockerBridgeNetwork := strings.Contains(s, "br-")
return !defaultDockerBridgeNetwork && !customDockerBridgeNetwork
}))
require.NoError(t, err)
require.GreaterOrEqual(t, len(udpMuxMulti.muxes), 1, "at least have 1 muxes")
defer func() {
_ = udpMuxMulti.Close()
}()
wg := sync.WaitGroup{}
wg.Add(1)
go func() {
defer wg.Done()
testMultiUDPMuxConnections(t, udpMuxMulti, "ufrag1", udp)
}()
wg.Add(1)
go func() {
defer wg.Done()
testMultiUDPMuxConnections(t, udpMuxMulti, "ufrag2", udp4)
}()
// skip ipv6 test on i386
const ptrSize = 32 << (^uintptr(0) >> 63)
if ptrSize != 32 {
testMultiUDPMuxConnections(t, udpMuxMulti, "ufrag3", udp6)
}
wg.Wait()
require.NoError(t, udpMuxMulti.Close())
}
|
