mirror of
https://github.com/pion/ice.git
synced 2025-09-26 19:41:11 +08:00
132 lines
3.8 KiB
Go
132 lines
3.8 KiB
Go
// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
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// SPDX-License-Identifier: MIT
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//go:build !js
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// +build !js
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package ice
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import (
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"io"
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"net"
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"testing"
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"github.com/pion/logging"
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"github.com/pion/stun"
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"github.com/pion/transport/v2/test"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestMultiTCPMux_Recv(t *testing.T) {
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for name, bufSize := range map[string]int{
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"no buffer": 0,
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"buffered 4MB": 4 * 1024 * 1024,
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} {
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bufSize := bufSize
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t.Run(name, func(t *testing.T) {
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report := test.CheckRoutines(t)
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defer report()
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loggerFactory := logging.NewDefaultLoggerFactory()
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var muxInstances []TCPMux
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for i := 0; i < 3; i++ {
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listener, err := net.ListenTCP("tcp", &net.TCPAddr{
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IP: net.IP{127, 0, 0, 1},
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Port: 0,
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})
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require.NoError(t, err, "error starting listener")
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defer func() {
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_ = listener.Close()
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}()
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tcpMux := NewTCPMuxDefault(TCPMuxParams{
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Listener: listener,
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Logger: loggerFactory.NewLogger("ice"),
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ReadBufferSize: 20,
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WriteBufferSize: bufSize,
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})
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muxInstances = append(muxInstances, tcpMux)
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require.NotNil(t, tcpMux.LocalAddr(), "tcpMux.LocalAddr() is nil")
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}
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multiMux := NewMultiTCPMuxDefault(muxInstances...)
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defer func() {
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_ = multiMux.Close()
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}()
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pktConns, err := multiMux.GetAllConns("myufrag", false, net.IP{127, 0, 0, 1})
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require.NoError(t, err, "error retrieving muxed connection for ufrag")
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for _, pktConn := range pktConns {
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defer func() {
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_ = pktConn.Close()
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}()
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conn, err := net.DialTCP("tcp", nil, pktConn.LocalAddr().(*net.TCPAddr))
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require.NoError(t, err, "error dialing test tcp connection")
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msg := stun.New()
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msg.Type = stun.MessageType{Method: stun.MethodBinding, Class: stun.ClassRequest}
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msg.Add(stun.AttrUsername, []byte("myufrag:otherufrag"))
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msg.Encode()
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n, err := writeStreamingPacket(conn, msg.Raw)
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require.NoError(t, err, "error writing tcp stun packet")
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recv := make([]byte, n)
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n2, rAddr, err := pktConn.ReadFrom(recv)
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require.NoError(t, err, "error receiving data")
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assert.Equal(t, conn.LocalAddr(), rAddr, "remote tcp address mismatch")
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assert.Equal(t, n, n2, "received byte size mismatch")
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assert.Equal(t, msg.Raw, recv, "received bytes mismatch")
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// check echo response
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n, err = pktConn.WriteTo(recv, conn.LocalAddr())
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require.NoError(t, err, "error writing echo stun packet")
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recvEcho := make([]byte, n)
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n3, err := readStreamingPacket(conn, recvEcho)
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require.NoError(t, err, "error receiving echo data")
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assert.Equal(t, n2, n3, "received byte size mismatch")
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assert.Equal(t, msg.Raw, recvEcho, "received bytes mismatch")
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}
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})
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}
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}
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func TestMultiTCPMux_NoDeadlockWhenClosingUnusedPacketConn(t *testing.T) {
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report := test.CheckRoutines(t)
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defer report()
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loggerFactory := logging.NewDefaultLoggerFactory()
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var tcpMuxInstances []TCPMux
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for i := 0; i < 3; i++ {
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listener, err := net.ListenTCP("tcp", &net.TCPAddr{
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IP: net.IP{127, 0, 0, 1},
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Port: 0,
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})
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require.NoError(t, err, "error starting listener")
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defer func() {
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_ = listener.Close()
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}()
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tcpMux := NewTCPMuxDefault(TCPMuxParams{
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Listener: listener,
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Logger: loggerFactory.NewLogger("ice"),
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ReadBufferSize: 20,
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})
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tcpMuxInstances = append(tcpMuxInstances, tcpMux)
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}
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muxMulti := NewMultiTCPMuxDefault(tcpMuxInstances...)
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_, err := muxMulti.GetAllConns("test", false, net.IP{127, 0, 0, 1})
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require.NoError(t, err, "error getting conn by ufrag")
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require.NoError(t, muxMulti.Close(), "error closing tcpMux")
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conn, err := muxMulti.GetAllConns("test", false, net.IP{127, 0, 0, 1})
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assert.Nil(t, conn, "should receive nil because mux is closed")
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assert.Equal(t, io.ErrClosedPipe, err, "should receive error because mux is closed")
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}
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