mirror of https://github.com/sipwise/rtpengine.git
Copy create-answer and subscribe-answer SDP into call-owned storage before parsing, matching offer/answer and publish. Retained stream parameters otherwise reference released NG request buffers and later subscriptions can lose their media type and codecs. Initialize created-answer monologue session state so generated subscriptions retain a valid SDP origin and session name. Add request-buffer-churn and decoded-audio regressions for created and subscribed endpoints. Validation on standalone Sipwise master: daemon build, all 89 retained-SDP assertions, all 652 create assertions, and all 932 publish/subscribe assertions pass. The cumulative 26.2.1 release also has isolated browser Opus decoding, privacy, recording, and mixer regression coverage. Closes #2194 Change-Id: Id8ca0e0ff691356d905ee94c0f41090f973fc70f (cherry picked from commitmr26.2.112ecdbc2cf) (cherry picked from commit30f1a2559a)
Dragos Vingarzan
1 month ago
committed by
Richard Fuchs
parent
4f795733dc
commit
1b6dcd0806
@ -0,0 +1,99 @@
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#!/usr/bin/perl
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# Retained SDP ownership for created and subscribed endpoints.
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use strict;
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use warnings;
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use NGCP::Rtpengine::Test;
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use NGCP::Rtpclient::SRTP;
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use NGCP::Rtpengine::AutoTest;
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use Test::More;
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use Time::HiRes qw(sleep);
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use IO::Select;
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autotest_start(qw(--config-file=none -t -1 -i 203.0.113.1 -n 2223 -f -L 7 -E)) or die;
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# Generate independently owned request bodies so later commands reuse the parser buffers.
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sub endpoint_sdp {
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my ($port, $name) = @_;
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return "v=0\r\no=- 123456 7 IN IP4 198.51.100.10\r\ns=$name\r\nt=0 0\r\n" .
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"c=IN IP4 198.51.100.10\r\nm=audio $port RTP/AVP 0\r\n" .
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"a=rtpmap:0 PCMU/8000\r\na=sendrecv\r\n";
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}
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# Churn unrelated SDP requests in the same call without changing the source endpoint.
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sub churn_requests {
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for my $n (1 .. 32) {
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rtpe_req('publish', 'request buffer churn', {
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'from-tag' => 'churn',
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sdp => endpoint_sdp(5010, "unrelated-$n") . "a=x-padding:" . ('x' x (1000 + $n)) . "\r\n",
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});
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}
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}
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for my $kind ('created', 'subscribed') {
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my ($source, $listener) = new_call([qw(198.51.100.10 5000)], [qw(198.51.100.10 5002)]);
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my $response;
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if ($kind eq 'created') {
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$response = rtpe_req('create', 'created source', {
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'from-tag' => ft(),
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media => [{type => 'audio', codecs => ['PCMU/8000']}],
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});
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rtpe_req('create answer', 'created source answer', {
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'from-tag' => ft(), sdp => endpoint_sdp(5000, 'retained-session'),
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});
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}
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else {
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rtpe_req('publish', 'subscription parent', {
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'from-tag' => 'parent', sdp => endpoint_sdp(5004, 'parent-session'),
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});
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$response = rtpe_req('subscribe request', 'subscribed source', {
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'from-tag' => 'parent', 'to-tag' => ft(),
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});
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rtpe_req('subscribe answer', 'subscribed source answer', {
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'to-tag' => ft(), sdp => endpoint_sdp(5000, 'retained-session'),
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});
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}
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my ($input_port) = $response->{sdp} =~ /m=audio (\d+)/;
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ok($input_port, "$kind source has a media port");
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churn_requests();
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my $offer = rtpe_req('subscribe request', "$kind WebRTC listener", {
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'from-tag' => ft(), 'to-tag' => 'webrtc-listener', flags => ['WebRTC', 'block DTMF'],
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codec => {mask => ['all'], transcode => ['opus']},
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});
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like($offer->{sdp}, qr/^m=audio \d+ UDP\/TLS\/RTP\/SAVPF 96\r?$/m, "$kind retains audio type and Opus payload");
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like($offer->{sdp}, qr/^a=rtpmap:96 opus\/48000\/2\r?$/m, "$kind retains requested Opus codec");
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if ($kind eq 'created') {
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like($offer->{sdp}, qr/^o=- 123456 \d+ IN IP4 \S+\r?$/m, 'created answer retains a valid origin');
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like($offer->{sdp}, qr/^s=retained-session\r?$/m, 'created answer retains session name');
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my $plain = rtpe_req('subscribe request', 'created decoded audio listener', {
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'from-tag' => ft(), 'to-tag' => tt(),
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codec => {mask => ['all'], transcode => ['L16/16000/1']},
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});
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my ($payload_type) = $plain->{sdp} =~ /a=rtpmap:(\d+) L16\/16000/;
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ok(defined $payload_type, 'decoded audio listener negotiates L16');
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$payload_type //= 96;
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rtpe_req('subscribe answer', 'created decoded audio answer', {
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'to-tag' => tt(),
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flags => ['allow transcoding'],
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sdp => "v=0\r\no=- 8 1 IN IP4 198.51.100.10\r\ns=listener\r\nt=0 0\r\n" .
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"c=IN IP4 198.51.100.10\r\nm=audio 5002 RTP/AVP $payload_type\r\n" .
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"a=rtpmap:$payload_type L16/16000/1\r\na=recvonly\r\n",
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});
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my $select = IO::Select->new($listener);
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my $audible = 0;
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for my $seq (1 .. 20) {
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snd($source, $input_port, rtp(0, $seq, $seq * 160, 0x5678, "\x40" x 160));
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sleep(0.02);
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while ($select->can_read(0)) {
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my $packet;
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$listener->recv($packet, 65535);
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next if length($packet) < 12 || (ord(substr($packet, 1, 1)) & 0x7f) != $payload_type;
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$audible++ if grep { abs($_) > 500 } unpack('s>*', substr($packet, 12));
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}
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}
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ok($audible >= 5, 'created source delivers decoded non-silent audio after request churn');
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}
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rtpe_req('delete', "$kind cleanup", {});
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}
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done_testing();
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