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80 lines
1.7 KiB
80 lines
1.7 KiB
// Echo test that uses slightly higher level APIs.
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package echo2_test
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import (
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"github.com/jart/gosip/dsp"
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"github.com/jart/gosip/rtp"
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"github.com/jart/gosip/sdp"
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"github.com/jart/gosip/sip"
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"net"
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"testing"
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"time"
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)
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func TestCallToEchoApp(t *testing.T) {
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invite := &sip.Msg{
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Method: sip.MethodInvite,
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Request: &sip.URI{User: "echo", Host: "127.0.0.1", Port: 5060},
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}
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// Create RTP audio session.
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rs, err := rtp.NewSession("127.0.0.1")
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if err != nil {
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t.Fatal(err)
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}
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defer rs.Sock.Close()
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rtpaddr := rs.Sock.LocalAddr().(*net.UDPAddr)
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sip.AttachSDP(invite, sdp.New(rtpaddr, sdp.ULAWCodec, sdp.DTMFCodec))
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// Create a SIP phone call.
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dl, err := sip.NewDialog(invite)
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if err != nil {
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t.Fatal(err)
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}
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// We're going to send white noise every 20ms.
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var frame rtp.Frame
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awgn := dsp.NewAWGN(-45.0)
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ticker := time.NewTicker(20 * time.Millisecond)
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defer ticker.Stop()
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// Hangup after 200ms.
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death := time.After(200 * time.Millisecond)
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// Let's GO!
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var answered bool
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for {
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select {
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case err := <-rs.E:
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t.Error("RTP recv failed:", err)
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dl.Hangup <- true
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case <-rs.C:
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// Do nothing with received audio.
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case <-ticker.C:
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for n := 0; n < 160; n++ {
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frame[n] = awgn.Get()
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}
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if err := rs.Send(&frame); err != nil {
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t.Fatal("RTP send failed:", err)
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}
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case err := <-dl.OnErr:
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t.Error(err)
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return
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case state := <-dl.OnState:
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switch state {
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case sip.DialogAnswered:
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answered = true
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case sip.DialogHangup:
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if !answered {
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t.Error("Call didn't get answered!")
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}
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return
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}
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case ms := <-dl.OnSDP:
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rs.Peer = &net.UDPAddr{IP: net.ParseIP(ms.Addr), Port: int(ms.Audio.Port)}
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case <-death:
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dl.Hangup <- true
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}
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}
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}
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