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dexter gerrit-no-reply at lists.osmocom.orgdexter has uploaded this change for review. ( https://gerrit.osmocom.org/10150 Change subject: MGCP_Test: check payload type of received RTP packets ...................................................................... MGCP_Test: check payload type of received RTP packets When an RTP packet is received, the payload type is not checked, so we will not detect if the MGW emits packets with a wrong payload type for some reason. - Introduce a statistics counter that counts packets with wrong PT - Update testcases so that they check for the statistics for wrong PT count. Change-Id: I83d4b04656a16ced624024245a2fcb7a0ad48a8a Related: OS#3384 --- M library/RTP_Emulation.ttcn M mgw/MGCP_Test.ttcn 2 files changed, 36 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/50/10150/1 diff --git a/library/RTP_Emulation.ttcn b/library/RTP_Emulation.ttcn index 71cd8db..2a358a9 100644 --- a/library/RTP_Emulation.ttcn +++ b/library/RTP_Emulation.ttcn @@ -116,6 +116,8 @@ integer num_pkts_rx_err_seq, /* number of packets received wrong timestamp */ integer num_pkts_rx_err_ts, + /* number of packets received wrong payload type */ + integer num_pkts_rx_err_pt, /* number of packets received during Rx disable */ integer num_pkts_rx_err_disabled } @@ -127,6 +129,7 @@ bytes_payload_rx := 0, num_pkts_rx_err_seq := 0, num_pkts_rx_err_ts := 0, + num_pkts_rx_err_pt := 0, num_pkts_rx_err_disabled := 0 } @@ -399,7 +402,11 @@ /* process received RTCP/RTP if receiver enabled */ [g_rx_enabled] RTP.receive(tr_rtp) -> value rx_rtp { //log("RX RTP: ", rx_rtp); + /* increment counters */ + if (rx_rtp.msg.rtp.payload_type != g_cfg.tx_payload_type) { + g_stats_rtp.num_pkts_rx_err_pt := g_stats_rtp.num_pkts_rx_err_pt+1; + } g_stats_rtp.num_pkts_rx := g_stats_rtp.num_pkts_rx+1; g_stats_rtp.bytes_payload_rx := g_stats_rtp.bytes_payload_rx + lengthof(rx_rtp.msg.rtp.data); diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn index 82ed608..264ac28 100644 --- a/mgw/MGCP_Test.ttcn +++ b/mgw/MGCP_Test.ttcn @@ -970,6 +970,9 @@ if (stats.num_pkts_rx_err_ts != 0) { setverdict(fail); } + if (stats.num_pkts_rx_err_pt != 0) { + setverdict(fail); + } if (stats.num_pkts_rx_err_disabled != 0) { setverdict(fail); } @@ -1008,6 +1011,9 @@ if (stats.num_pkts_rx_err_ts != 0) { setverdict(fail); } + if (stats.num_pkts_rx_err_pt != 0) { + setverdict(fail); + } if (stats.num_pkts_rx_err_disabled != 0) { setverdict(fail); } @@ -1062,6 +1068,11 @@ mtc.stop; } + if (stats[0].num_pkts_rx_err_pt > 0 or stats[1].num_pkts_rx_err_pt > 0) { + setverdict(fail, "RTP packets with wrong payload type received"); + mtc.stop; + } + setverdict(pass); } @@ -1163,12 +1174,20 @@ setverdict(fail, "number of packets not within normal parameters"); mtc.stop; } + if (stats[0].num_pkts_rx_err_pt > 0) { + setverdict(fail, "RTP packets with wrong payload type received"); + mtc.stop; + } temp := stats[1].num_pkts_tx - num_pkts_tx[1] - stats[0].num_pkts_rx; if (temp > 3 or temp < -3) { setverdict(fail, "number of packets not within normal parameters"); mtc.stop; } + if (stats[0].num_pkts_rx_err_pt > 0) { + setverdict(fail, "RTP packets with wrong payload type received"); + mtc.stop; + } /* Tear down */ f_flow_delete(RTPEM[0]); @@ -1221,6 +1240,11 @@ mtc.stop; } + if (stats[0].num_pkts_rx_err_pt > 0 or stats[1].num_pkts_rx_err_pt > 0) { + setverdict(fail, "RTP packets with wrong payload type received"); + mtc.stop; + } + setverdict(pass); } @@ -1284,6 +1308,11 @@ mtc.stop; } + if (stats[0].num_pkts_rx_err_pt > 0 or stats[1].num_pkts_rx_err_pt > 0) { + setverdict(fail, "RTP packets with wrong payload type received"); + mtc.stop; + } + setverdict(pass); } -- To view, visit https://gerrit.osmocom.org/10150 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: I83d4b04656a16ced624024245a2fcb7a0ad48a8a Gerrit-Change-Number: 10150 Gerrit-PatchSet: 1 Gerrit-Owner: dexter <pmaier at sysmocom.de> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20180724/81199762/attachment.htm>