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101 lines
2.4 KiB
101 lines
2.4 KiB
// Copyright 2020 Justine Alexandra Roberts Tunney
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Echo test that uses slightly higher level APIs.
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package echo3_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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"github.com/jart/gosip/util"
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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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// Create RTP audio session.
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rs, err := rtp.NewSession("")
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if err != nil {
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t.Fatal(err)
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}
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defer rs.Close()
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rtpPort := uint16(rs.Sock.LocalAddr().(*net.UDPAddr).Port)
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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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Payload: &sdp.SDP{
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Origin: sdp.Origin{ID: util.GenerateOriginID()},
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Audio: &sdp.Media{
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Port: rtpPort,
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Codecs: []sdp.Codec{sdp.ULAWCodec, sdp.DTMFCodec},
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},
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},
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}
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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 <-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 rs.Peer = <-dl.OnPeer:
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case frame := <-rs.C:
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rs.R <- frame
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case err := <-rs.E:
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t.Error("RTP recv failed:", err)
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rs.CloseAfterError()
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dl.Hangup <- true
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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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