ttcn3
/
osmo-ttcn3-hacks
mirror of https://gerrit.osmocom.org/osmo-ttcn3-hacks
10
0
Fork 1
Code Issues Releases Wiki Activity

mgw: Introduce test to validate Osmux<->RTP-AMR-BWE 

Related: SYS#6161
Change-Id: I974e265938da15639acae7e2c9c589d5784ae5c5
This commit is contained in:
Pau Espin 2022-10-25 12:51:24 +02:00
parent 30f0667a4d
commit 262584764f
2 changed files with 60 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
library/AMR_Types.ttcn
View File

@ -67,4 +67,25 @@ external function enc_RTP_AMR_Hdr(in RTP_AMR_Hdr amr_hdr) return octetstring
external function dec_RTP_AMR_Hdr(in octetstring stream) return RTP_AMR_Hdr
with { extension "prototype(convert) decode(RAW)" };
type record RTP_AMR_BWE_Hdr {
uint4_t cmr,
BIT1 f,
uint4_t ft,
BIT1 q
} with { variant "FIELDORDER(msb)" };
template (value) RTP_AMR_BWE_Hdr ts_RTP_AMR_BWE_Hdr(template (value) uint4_t cmr,
template (value) uint4_t ft,
template (value) BIT1 q := '1'B,
template (value) BIT1 f := '0'B) := {
cmr := cmr,
f := f,
ft := ft,
q := q
}
external function enc_RTP_AMR_BWE_Hdr(in RTP_AMR_BWE_Hdr amr_hdr) return octetstring
with { extension "prototype(convert) encode(RAW)" };
external function dec_RTP_AMR_BWE_Hdr(in octetstring stream) return RTP_AMR_BWE_Hdr
with { extension "prototype(convert) decode(RAW)" };
} with { encode "RAW"}

48
mgw/MGCP_Test.ttcn
View File

@ -1339,7 +1339,7 @@ module MGCP_Test {
return true;
}
function f_TC_two_crcx_and_rtp_osmux(boolean bidir,
function f_TC_two_crcx_and_rtp_osmux(boolean bidir, boolean rtp_amr_oa,
charstring local_ip_rtp, charstring remote_ip_rtp,
charstring local_ip_osmux, charstring remote_ip_osmux) runs on dummy_CT {
var RtpFlowData flow[2];
@ -1350,15 +1350,35 @@ module MGCP_Test {
var MgcpCallId call_id := '1226'H;
var integer tolerance := 0;
var octetstring amr_payload;
var charstring fmtp;
f_init(ep, true);
var AMRFT cmr := AMR_FT_0;
var AMRFT ft := AMR_FT_2;
if (rtp_amr_oa) {
fmtp := "octet-align=1";
var RTP_AMR_Hdr amr_oa_hdr := valueof(ts_RTP_AMR_Hdr(enum2int(cmr), enum2int(ft)));
amr_payload := enc_RTP_AMR_Hdr(amr_oa_hdr) &
f_osmux_gen_expected_rx_rtp_payload(enum2int(ft), c_OsmuxemDefaultCfg.tx_fixed_payload);
} else {
fmtp := "octet-align=0";
/* Convert OA to BWE: */
var RTP_AMR_BWE_Hdr amr_bwe_hdr := valueof(ts_RTP_AMR_BWE_Hdr(enum2int(cmr), enum2int(ft)));
var bitstring amr_bwe_hdr_bits := substr(oct2bit(enc_RTP_AMR_BWE_Hdr(amr_bwe_hdr)), 0 , 10);
var bitstring amr_data_bits := oct2bit(f_osmux_gen_expected_rx_rtp_payload(enum2int(ft), c_OsmuxemDefaultCfg.tx_fixed_payload));
var bitstring amr_payload_bits := amr_bwe_hdr_bits & substr(amr_data_bits, 0, f_amrft_payload_bits_len(enum2int(ft)));
amr_payload := bit2oct(f_pad_bit(amr_payload_bits, (lengthof(amr_payload_bits)+7)/8*8, '0'B));
};
/* from us to MGW */
flow[0] := valueof(t_RtpFlow(local_ip_rtp, remote_ip_rtp, 112, "AMR/8000"));
flow[0].rtp_cfg := c_RtpemDefaultCfg
flow[0].rtp_cfg.tx_payload_type := flow[0].pt;
/* 0014 is the ToC (CMR=AMR4.75) in front of AMR Payload in RTP Payload */
flow[0].rtp_cfg.rx_fixed_payload := '0014'O & f_osmux_gen_expected_rx_rtp_payload(2 /* AMR_FT_2, 5.90 */, c_OsmuxemDefaultCfg.tx_fixed_payload);
flow[0].rtp_cfg.tx_fixed_payload := flow[0].rtp_cfg.rx_fixed_payload;
flow[0].rtp_cfg.rx_fixed_payload := amr_payload;
flow[0].rtp_cfg.tx_fixed_payload := amr_payload;
flow[0].fmtp := fmtp;
/* bind local RTP emulation sockets */
flow[0].em.portnr := 10000;
f_flow_create(RTPEM[0], ep, call_id, "sendrecv", flow[0]);
@ -1409,30 +1429,39 @@ module MGCP_Test {
/* create one RTP and one OSmux emulations; create two connections on MGW EP, exchange some data */
testcase TC_two_crcx_and_rtp_osmux() runs on dummy_CT {
f_TC_two_crcx_and_rtp_osmux(false, mp_local_ipv4, mp_remote_ipv4,
f_TC_two_crcx_and_rtp_osmux(false, true, mp_local_ipv4, mp_remote_ipv4,
mp_local_ipv4, mp_remote_ipv4);
}
/* create one RTP and one OSmux emulations; create two connections on MGW EP,
* exchange some data in both directions */
testcase TC_two_crcx_and_rtp_osmux_bidir() runs on dummy_CT {
f_TC_two_crcx_and_rtp_osmux(true, mp_local_ipv4, mp_remote_ipv4,
f_TC_two_crcx_and_rtp_osmux(true, true, mp_local_ipv4, mp_remote_ipv4,
mp_local_ipv4, mp_remote_ipv4);
}
/* create one RTP and one OSmux emulations; create two connections on MGW EP,
* exchange some data in both directions. RTP side is configured to
* rx/rx AMR in bandwidth-efficient mode. */
testcase TC_two_crcx_and_rtp_osmux_bidir_amr_bwe() runs on dummy_CT {
f_TC_two_crcx_and_rtp_osmux(true, false, mp_local_ipv4, mp_remote_ipv4,
mp_local_ipv4, mp_remote_ipv4);
}
/* Same as TC_two_crcx_and_rtp_osmux_bidir, but using IPv6 */
testcase TC_two_crcx_and_rtp_osmux_bidir_ipv6() runs on dummy_CT {
f_TC_two_crcx_and_rtp_osmux(true, mp_local_ipv6, mp_remote_ipv6,
f_TC_two_crcx_and_rtp_osmux(true, true, mp_local_ipv6, mp_remote_ipv6,
mp_local_ipv6, mp_remote_ipv6);
}
/* Same as TC_two_crcx_and_rtp_osmux_bidir, but using IPv4 (RTP) and IPv6 (Osmux) */
testcase TC_two_crcx_and_rtp_osmux_bidir_ipv4_ipv6() runs on dummy_CT {
f_TC_two_crcx_and_rtp_osmux(true, mp_local_ipv4, mp_remote_ipv4,
f_TC_two_crcx_and_rtp_osmux(true, true, mp_local_ipv4, mp_remote_ipv4,
mp_local_ipv6, mp_remote_ipv6);
}
/* Same as TC_two_crcx_and_rtp_osmux_bidir, but using IPv6 (RTP) and IPv4 (Osmux) */
testcase TC_two_crcx_and_rtp_osmux_bidir_ipv6_ipv4() runs on dummy_CT {
f_TC_two_crcx_and_rtp_osmux(true, mp_local_ipv6, mp_remote_ipv6,
f_TC_two_crcx_and_rtp_osmux(true, true, mp_local_ipv6, mp_remote_ipv6,
mp_local_ipv4, mp_remote_ipv4);
}
@ -2915,6 +2944,7 @@ module MGCP_Test {
execute(TC_one_crcx_loopback_osmux());
execute(TC_two_crcx_and_rtp_osmux());
execute(TC_two_crcx_and_rtp_osmux_bidir());
execute(TC_two_crcx_and_rtp_osmux_bidir_amr_bwe());
execute(TC_two_crcx_mdcx_and_rtp_osmux_wildcard());
execute(TC_two_crcx_mdcx_and_rtp_osmux_fixed());