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authorPau Espin Pedrol <pespin@sysmocom.de>2019-05-14 13:40:49 +0200
committerHarald Welte <laforge@gnumonks.org>2019-05-27 09:56:51 +0000
commitb2c6b38f3f74fc5e4b29f2cb9f4da5c3d2553a2e (patch)
treeb76baa7336e04fbe0e5133a953d5f335c408954f
parent4832c86acdb341a911c327f65373c1a839755fa7 (diff)
Add Osmux support and tests for MGW
-rw-r--r--library/MGCP_Templates.ttcn60
-rw-r--r--library/MGCP_Types.ttcn5
-rw-r--r--library/OSMUX_CodecPort.ttcn74
-rw-r--r--library/OSMUX_CodecPort_CtrlFunct.ttcn44
-rw-r--r--library/OSMUX_CodecPort_CtrlFunctDef.cc55
-rw-r--r--library/OSMUX_Emulation.ttcn575
-rw-r--r--library/OSMUX_Types.ttcn110
-rw-r--r--mgw/MGCP_Test.ttcn617
-rw-r--r--mgw/expected-results.xml11
-rwxr-xr-xmgw/gen_links.sh1
-rwxr-xr-xmgw/regen_makefile.sh2
11 files changed, 1546 insertions, 8 deletions
diff --git a/library/MGCP_Templates.ttcn b/library/MGCP_Templates.ttcn
index 506100fa..4cc2c6b3 100644
--- a/library/MGCP_Templates.ttcn
+++ b/library/MGCP_Templates.ttcn
@@ -49,6 +49,12 @@ module MGCP_Templates {
val := hex2str(cid)
};
+ /* Osmocom extension: X-Osmux: {*,%u} */
+ template MgcpParameter ts_MgcpParOsmuxCID(MgcpOsmuxCID osmux_cid) := {
+ code := "X-OSMUX",
+ val := f_mgcp_osmux_cid_encode(osmux_cid)
+ };
+
/* osmo-bsc_mgcp implements L/C/M/X only, osmo-mgw adds 'I' */
/* SDP: osmo-bsc_mgcp implements Tx of v,o,s,c,t,m,a */
@@ -89,6 +95,18 @@ module MGCP_Templates {
sdp := sdp
}
+ template MgcpCommand ts_CRCX_osmux(MgcpTransId trans_id, charstring ep, MgcpConnectionMode mode, MgcpCallId call_id, MgcpOsmuxCID osmux_cid, template SDP_Message sdp := omit) := {
+ line := t_MgcpCmdLine("CRCX", trans_id, ep),
+ params := {
+ t_MgcpParConnMode(mode),
+ ts_MgcpParCallId(call_id),
+ //t_MgcpParReqId(omit),
+ t_MgcpParLocConnOpt("p:20, a:AMR"),
+ ts_MgcpParOsmuxCID(osmux_cid)
+ },
+ sdp := sdp
+ }
+
template MgcpCommand tr_CRCX(template MgcpEndpoint ep := ?) := {
line := t_MgcpCmdLine("CRCX", ?, ep),
params := *,
@@ -105,6 +123,16 @@ module MGCP_Templates {
sdp := ?
}
+ template MgcpResponse tr_CRCX_ACK_osmux := {
+ line := {
+ code := "200",
+ trans_id := ?,
+ string := "OK"
+ },
+ params:= { { "I", ? }, {"X-OSMUX", ?}, *},
+ sdp := ?
+ }
+
template MgcpResponse ts_CRCX_ACK(MgcpTransId trans_id, MgcpConnectionId conn_id, template SDP_Message sdp := omit) := {
line := {
code := "200",
@@ -127,6 +155,19 @@ module MGCP_Templates {
sdp := sdp
}
+ template MgcpCommand ts_MDCX_osmux(MgcpTransId trans_id, charstring ep, MgcpConnectionMode mode, MgcpCallId call_id, MgcpConnectionId conn_id, MgcpOsmuxCID osmux_cid, template SDP_Message sdp := omit) := {
+ line := t_MgcpCmdLine("MDCX", trans_id, ep),
+ params := {
+ t_MgcpParConnMode(mode),
+ ts_MgcpParCallId(call_id),
+ ts_MgcpParConnectionId(conn_id),
+ //t_MgcpParReqId(omit),
+ t_MgcpParLocConnOpt("p:20, a:AMR"),
+ ts_MgcpParOsmuxCID(osmux_cid)
+ },
+ sdp := sdp
+ }
+
template MgcpCommand tr_MDCX := {
line := t_MgcpCmdLine("MDCX", ?, ?),
params := *,
@@ -286,6 +327,21 @@ module MGCP_Templates {
}
}
+ /* -1 is wildcard, positive is translated as string */
+ function f_mgcp_osmux_cid_encode(MgcpOsmuxCID osmux_cid) return charstring {
+ if (osmux_cid == -1) {
+ return "*";
+ }
+ return int2str(osmux_cid);
+ }
+
+ function f_mgcp_osmux_cid_decode(charstring osmux_cid) return MgcpOsmuxCID {
+ if (osmux_cid == "*") {
+ return -1;
+ }
+ return str2int(osmux_cid);
+ }
+
function f_mgcp_contains_par(MgcpMessage msg, MgcpInfoCode code) return boolean {
var MgcpParameterList pars;
if (ischosen(msg.command)) {
@@ -352,6 +408,10 @@ module MGCP_Templates {
return str2hex(f_MgcpCmd_extract_par(cmd, "I"));
}
+ function f_MgcpCmd_extract_osmux_cid(MgcpCommand cmd) return MgcpOsmuxCID {
+ return f_mgcp_osmux_cid_decode(f_MgcpCmd_extract_par(cmd, "X-OSMUX"));
+ }
+
function f_mgcp_alloc_tid() return MgcpTransId {
return int2str(float2int(rnd()*2147483647.0));
diff --git a/library/MGCP_Types.ttcn b/library/MGCP_Types.ttcn
index 8e11c7a1..b56734cf 100644
--- a/library/MGCP_Types.ttcn
+++ b/library/MGCP_Types.ttcn
@@ -24,13 +24,14 @@ module MGCP_Types {
type hexstring MgcpCallId length(1..32); /* 3.2.2.2 */
type hexstring MgcpConnectionId length(1..32); /* 3.2.2.5 */
type hexstring MgcpRequestId length(1..32); /* 3.2.2.18 */
+ type integer MgcpOsmuxCID (-1 .. 255);
type charstring MgcpResponseCode (pattern "\d#(3)");
type charstring MgcpInfoCode ("B", "C", "I", "N", "X", "L", "M", "R",
"S", "D", "O", "P", "E", "Z", "Q", "T",
"RC", "LC", "A", "ES", "RM", "RD", "PL",
- "MD", "X-Osmo-CP") with {
- variant "TEXT_CODING(,convert=upper_case,'([BCINXLMRSDOPEZQTA])|(RC)|(LC)|(ES)|(RM)|(RD)|(PL)|(MD)|(X-Osmo-CP)',case_insensitive)"
+ "MD", "X-OSMO-CP", "X-OSMUX") with {
+ variant "TEXT_CODING(,convert=upper_case,'([BCINXLMRSDOPEZQTA])|(RC)|(LC)|(ES)|(RM)|(RD)|(PL)|(MD)|(X-OSMO-CP)|(X-OSMUX)',case_insensitive)"
};
/* 3.2.2.6 */
diff --git a/library/OSMUX_CodecPort.ttcn b/library/OSMUX_CodecPort.ttcn
new file mode 100644
index 00000000..ce83ab4e
--- /dev/null
+++ b/library/OSMUX_CodecPort.ttcn
@@ -0,0 +1,74 @@
+module OSMUX_CodecPort {
+
+/* Simple Osmux Codec Port, translating between raw UDP primitives with
+ * octetstring payload towards the IPL4asp provider, and Osmux primitives
+ * which carry the decoded abstract Osmux data types as payload.
+ *
+ * (C) 2019 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All rights reserved.
+ *
+ * Author: Pau Espin Pedrol <pespin@sysmocom.de>
+ *
+ * Released under the terms of GNU General Public License, Version 2 or
+ * (at your option) any later version.
+ */
+
+ import from IPL4asp_PortType all;
+ import from IPL4asp_Types all;
+ import from OSMUX_Types all;
+
+ type record Osmux_RecvFrom {
+ ConnectionId connId,
+ HostName remName,
+ PortNumber remPort,
+ HostName locName,
+ PortNumber locPort,
+ OSMUX_PDU msg
+ };
+
+ template Osmux_RecvFrom t_Osmux_RecvFrom(template OSMUX_PDU msg) := {
+ connId := ?,
+ remName := ?,
+ remPort := ?,
+ locName := ?,
+ locPort := ?,
+ msg := msg
+ }
+
+ type record Osmux_Send {
+ ConnectionId connId,
+ OSMUX_PDU msg
+ }
+
+ template Osmux_Send t_Osmux_Send(template ConnectionId connId, template OSMUX_PDU msg) := {
+ connId := connId,
+ msg := msg
+ }
+
+ private function IPL4_to_Osmux_RecvFrom(in ASP_RecvFrom pin, out Osmux_RecvFrom pout) {
+ pout.connId := pin.connId;
+ pout.remName := pin.remName;
+ pout.remPort := pin.remPort;
+ pout.locName := pin.locName;
+ pout.locPort := pin.locPort;
+ pout.msg := dec_OSMUX_PDU(pin.msg)
+ } with { extension "prototype(fast)" };
+
+ private function Osmux_to_IPL4_Send(in Osmux_Send pin, out ASP_Send pout) {
+ pout.connId := pin.connId;
+ pout.proto := { udp := {} };
+ pout.msg := enc_OSMUX_PDU(pin.msg);
+ } with { extension "prototype(fast)" };
+
+ type port OSMUX_CODEC_PT message {
+ out Osmux_Send;
+ in Osmux_RecvFrom,
+ ASP_ConnId_ReadyToRelease,
+ ASP_Event;
+ } with { extension "user IPL4asp_PT
+ out(Osmux_Send -> ASP_Send:function(Osmux_to_IPL4_Send))
+ in(ASP_RecvFrom -> Osmux_RecvFrom: function(IPL4_to_Osmux_RecvFrom);
+ ASP_ConnId_ReadyToRelease -> ASP_ConnId_ReadyToRelease: simple;
+ ASP_Event -> ASP_Event: simple)"
+ }
+}
diff --git a/library/OSMUX_CodecPort_CtrlFunct.ttcn b/library/OSMUX_CodecPort_CtrlFunct.ttcn
new file mode 100644
index 00000000..aabb86f9
--- /dev/null
+++ b/library/OSMUX_CodecPort_CtrlFunct.ttcn
@@ -0,0 +1,44 @@
+module OSMUX_CodecPort_CtrlFunct {
+
+ import from OSMUX_CodecPort all;
+ import from IPL4asp_Types all;
+
+ external function f_IPL4_listen(
+ inout OSMUX_CODEC_PT portRef,
+ in HostName locName,
+ in PortNumber locPort,
+ in ProtoTuple proto,
+ in OptionList options := {}
+ ) return Result;
+
+ external function f_IPL4_connect(
+ inout OSMUX_CODEC_PT portRef,
+ in HostName remName,
+ in PortNumber remPort,
+ in HostName locName,
+ in PortNumber locPort,
+ in ConnectionId connId,
+ in ProtoTuple proto,
+ in OptionList options := {}
+ ) return Result;
+
+ external function f_IPL4_close(
+ inout OSMUX_CODEC_PT portRef,
+ in ConnectionId id,
+ in ProtoTuple proto := { unspecified := {} }
+ ) return Result;
+
+ external function f_IPL4_setUserData(
+ inout OSMUX_CODEC_PT portRef,
+ in ConnectionId id,
+ in UserData userData
+ ) return Result;
+
+ external function f_IPL4_getUserData(
+ inout OSMUX_CODEC_PT portRef,
+ in ConnectionId id,
+ out UserData userData
+ ) return Result;
+
+}
+
diff --git a/library/OSMUX_CodecPort_CtrlFunctDef.cc b/library/OSMUX_CodecPort_CtrlFunctDef.cc
new file mode 100644
index 00000000..b877f2da
--- /dev/null
+++ b/library/OSMUX_CodecPort_CtrlFunctDef.cc
@@ -0,0 +1,55 @@
+#include "IPL4asp_PortType.hh"
+#include "OSMUX_CodecPort.hh"
+#include "IPL4asp_PT.hh"
+
+namespace OSMUX__CodecPort__CtrlFunct {
+
+ IPL4asp__Types::Result f__IPL4__listen(
+ OSMUX__CodecPort::OSMUX__CODEC__PT& portRef,
+ const IPL4asp__Types::HostName& locName,
+ const IPL4asp__Types::PortNumber& locPort,
+ const IPL4asp__Types::ProtoTuple& proto,
+ const IPL4asp__Types::OptionList& options)
+ {
+ return f__IPL4__PROVIDER__listen(portRef, locName, locPort, proto, options);
+ }
+
+ IPL4asp__Types::Result f__IPL4__connect(
+ OSMUX__CodecPort::OSMUX__CODEC__PT& portRef,
+ const IPL4asp__Types::HostName& remName,
+ const IPL4asp__Types::PortNumber& remPort,
+ const IPL4asp__Types::HostName& locName,
+ const IPL4asp__Types::PortNumber& locPort,
+ const IPL4asp__Types::ConnectionId& connId,
+ const IPL4asp__Types::ProtoTuple& proto,
+ const IPL4asp__Types::OptionList& options)
+ {
+ return f__IPL4__PROVIDER__connect(portRef, remName, remPort,
+ locName, locPort, connId, proto, options);
+ }
+
+ IPL4asp__Types::Result f__IPL4__close(
+ OSMUX__CodecPort::OSMUX__CODEC__PT& portRef,
+ const IPL4asp__Types::ConnectionId& connId,
+ const IPL4asp__Types::ProtoTuple& proto)
+ {
+ return f__IPL4__PROVIDER__close(portRef, connId, proto);
+ }
+
+ IPL4asp__Types::Result f__IPL4__setUserData(
+ OSMUX__CodecPort::OSMUX__CODEC__PT& portRef,
+ const IPL4asp__Types::ConnectionId& connId,
+ const IPL4asp__Types::UserData& userData)
+ {
+ return f__IPL4__PROVIDER__setUserData(portRef, connId, userData);
+ }
+
+ IPL4asp__Types::Result f__IPL4__getUserData(
+ OSMUX__CodecPort::OSMUX__CODEC__PT& portRef,
+ const IPL4asp__Types::ConnectionId& connId,
+ IPL4asp__Types::UserData& userData)
+ {
+ return f__IPL4__PROVIDER__getUserData(portRef, connId, userData);
+ }
+
+}
diff --git a/library/OSMUX_Emulation.ttcn b/library/OSMUX_Emulation.ttcn
new file mode 100644
index 00000000..e1275b9e
--- /dev/null
+++ b/library/OSMUX_Emulation.ttcn
@@ -0,0 +1,575 @@
+module OSMUX_Emulation {
+
+/* Functionalities that we want this module to implement:
+ * * act as a Osmux source that generates a Osmux Stream
+ * * act as a Osmux sink that consumes a Osmux Stream
+ *
+ * for all of the above, we want to be able to
+ * * specify the payload type
+ * * specify the interval / sample rate
+ * * create drop-outs in the stream
+ * * detect reordered or lost frames
+ * * validate if the size of the frames matches epectations
+ * * play back real audio (at least some tones?)
+ * * enable/disable generation/verification of RTCP
+ */
+
+/* Ideas:
+
+* each component consists of transmitter and receiver
+* transmitters and receivers can be operated as tuple?
+* high-level operation
+** set-up config at transmitter + receiver
+** transmit sequence of payloads
+** verify receiption of those payloads
+* can operate full-duplex/bi-directional as needed
+
+* transmitter
+** trigger transmission of n number of packets
+** transmit them at normal ptime interval
+** payload size configurable
+** payload contents PRBS or the like
+
+* receiver
+** count number of related packets at receiver
+** check received payload type
+** check received timestamp increments
+** check received seq_nr increments
+** (optionally) check for SSRC
+** (optionally) check for payload size
+** (optionally) check for payload contents
+
+* later
+** how to test transcoding?
+** how to test pure play-out endpoints (rx only)?
+** how to test "Rx from wrong IP/port" scenarios?
+** how to test RTCP?
+** maybe keep ports un-connected to show wrong src -lrt
+
+*/
+
+
+
+
+import from General_Types all;
+import from Osmocom_Types all;
+import from IPL4asp_Types all;
+import from OSMUX_Types all;
+import from OSMUX_CodecPort all;
+import from OSMUX_CodecPort_CtrlFunct all;
+
+type component OSMUX_Emulation_CT {
+ /* down-facing ports for Osmux on top of IPL4asp */
+ port OSMUX_CODEC_PT OSMUX;
+ var integer g_osmux_conn_id := -1;
+
+ /* user-facing port for controlling the binding */
+ port OsmuxEM_CTRL_PT CTRL;
+
+ /* configurable by user, should be fixed */
+ var OsmuxemConfig g_cfg := c_OsmuxemDefaultCfg;
+
+ /* statistics */
+ var OsmuxemStats g_stat := c_OsmuxemStatsReset;
+
+ var HostName g_remote_host;
+ var PortNumber g_remote_port;
+ var HostName g_local_host;
+ var PortNumber g_local_port;
+
+ /* state variables, change over time */
+ var boolean g_rx_enabled := false;
+ var boolean g_tx_connected := false; /* Set to true after connect() */
+
+ var INT7b g_rx_payload_type := 0;
+ var LIN2_BO_LAST g_rx_last_seq;
+ var uint32_t g_rx_last_ts;
+
+ var RxHandleTableRec RxHandleTable[16];
+ var OsmuxTxHandle TxHandleList[16];
+}
+
+type record RxHandleTableRec {
+ OsmuxCID cid,
+ OsmuxRxHandle vc_conn
+};
+
+type record OsmuxRxHandle {
+ OsmuxCID cid,
+ boolean first_seq_seen,
+ INT1 last_seq_ack
+};
+
+const OsmuxRxHandle c_OsmuxemDefaultRxHandle := {
+ cid := 0,
+ first_seq_seen := false,
+ last_seq_ack := 0
+}
+
+type record OsmuxTxHandle {
+ INT2b ft,
+ BIT1 amr_f,
+ BIT1 amr_q,
+ INT1 seq,
+ OsmuxCID cid,
+ INT4b amr_ft,
+ INT4b amr_cmr
+};
+
+template OsmuxTxHandle t_TxHandleAMR590(OsmuxCID cid) := {
+ ft := 1,//enum2int(OsmuxFT:OSMUX_FT_AMR)
+ amr_f := '0'B, /* this frame is the last frame in this payload */
+ amr_q := '1'B, /* frame not damaged */
+ seq := 12,
+ cid := cid,
+ amr_ft := 2, /* AMR 5.90 */
+ amr_cmr := 0
+};
+
+type enumerated OsmuxemMode {
+ OSMUXEM_MODE_NONE,
+ OSMUXEM_MODE_TXONLY,
+ OSMUXEM_MODE_RXONLY,
+ OSMUXEM_MODE_BIDIR
+};
+
+type record OsmuxemStats {
+ /* number of packets transmitted */
+ integer num_pkts_tx,
+ /* number of Osmux payload bytes transmitted */
+ integer bytes_payload_tx,
+
+ /* number of packets received */
+ integer num_pkts_rx,
+ /* number of Osmux payload bytes received */
+ integer bytes_payload_rx,
+ /* number of packets received out-of-sequence */
+ integer num_pkts_rx_err_seq,
+ /* number of packets received during Rx disable */
+ integer num_pkts_rx_err_disabled,
+ /* number of packets received with mismatching payload */
+ integer num_pkts_rx_err_payload
+}
+
+const OsmuxemStats c_OsmuxemStatsReset := {
+ num_pkts_tx := 0,
+ bytes_payload_tx := 0,
+ num_pkts_rx := 0,
+ bytes_payload_rx := 0,
+ num_pkts_rx_err_seq := 0,
+ num_pkts_rx_err_disabled := 0,
+ num_pkts_rx_err_payload := 0
+}
+
+type record OsmuxemConfig {
+ INT3b batch_size,
+ integer tx_duration_ms,
+ octetstring tx_fixed_payload optional,
+ octetstring rx_fixed_payload optional
+};
+
+const OsmuxemConfig c_OsmuxemDefaultCfg := {
+ batch_size := 4,
+ tx_duration_ms := 20 * 4, /* 4 is batch_size */
+ tx_fixed_payload := '010203040102030401020304010203040102030401020304'O,
+ rx_fixed_payload := '010203040102030401020304010203040102030401020304'O
+}
+
+signature OsmuxEM_bind(in HostName local_host, inout PortNumber local_port);
+signature OsmuxEM_connect(in HostName remote_host, in PortNumber remote_port);
+signature OsmuxEM_mode(in OsmuxemMode mode);
+signature OsmuxEM_configure(in OsmuxemConfig cfg);
+signature OsmuxEM_stats_get(out OsmuxemStats stats);
+signature OsmuxEM_register_rxhandle(in OsmuxRxHandle hdl);
+signature OsmuxEM_register_txhandle(in OsmuxTxHandle hdl);
+
+type port OsmuxEM_CTRL_PT procedure {
+ inout OsmuxEM_bind, OsmuxEM_connect, OsmuxEM_mode, OsmuxEM_configure,
+ OsmuxEM_stats_get, OsmuxEM_register_rxhandle, OsmuxEM_register_txhandle;
+} with { extension "internal" };
+
+function f_osmuxem_bind(OsmuxEM_CTRL_PT pt, in HostName local_host, inout PortNumber local_port) {
+ pt.call(OsmuxEM_bind:{local_host, local_port}) {
+ [] pt.getreply(OsmuxEM_bind:{local_host, ?}) -> param (local_port) {};
+ }
+}
+function f_osmuxem_connect(OsmuxEM_CTRL_PT pt, in HostName remote_host, in PortNumber remote_port) {
+ pt.call(OsmuxEM_connect:{remote_host, remote_port}) {
+ [] pt.getreply(OsmuxEM_connect:{remote_host, remote_port}) {};
+ }
+}
+function f_osmuxem_mode(OsmuxEM_CTRL_PT pt, in OsmuxemMode mode) {
+ pt.call(OsmuxEM_mode:{mode}) {
+ [] pt.getreply(OsmuxEM_mode:{mode}) {};
+ }
+}
+function f_osmuxem_configure(OsmuxEM_CTRL_PT pt, in OsmuxemConfig cfg) {
+ pt.call(OsmuxEM_configure:{cfg}) {
+ [] pt.getreply(OsmuxEM_configure:{cfg}) {};
+ }
+}
+function f_osmuxem_stats_get(OsmuxEM_CTRL_PT pt) return OsmuxemStats {
+ var OsmuxemStats stats;
+ pt.call(OsmuxEM_stats_get:{-}) {
+ [] pt.getreply(OsmuxEM_stats_get:{?}) -> param(stats) {};
+ }
+ return stats;
+}
+
+function f_osmuxem_register_rxhandle(OsmuxEM_CTRL_PT pt, OsmuxRxHandle hdl) {
+ pt.call(OsmuxEM_register_rxhandle:{hdl}) {
+ [] pt.getreply(OsmuxEM_register_rxhandle:{hdl}) {};
+ }
+}
+
+function f_osmuxem_register_txhandle(OsmuxEM_CTRL_PT pt, OsmuxTxHandle hdl) {
+ pt.call(OsmuxEM_register_txhandle:{hdl}) {
+ [] pt.getreply(OsmuxEM_register_txhandle:{hdl}) {};
+ }
+}
+
+
+function f_osmuxem_stats_compare_value(integer a, integer b, integer tolerance := 0) return boolean {
+ var integer temp;
+
+ temp := (a - b)
+ if (temp < 0) {
+ temp := -temp;
+ }
+
+ if (temp > tolerance) {
+ return false;
+ }
+
+ return true;
+}
+
+/* Cross-compare two osmuxem-statistics. The transmission statistics on the a side
+ * must match the reception statistics on the other side and vice versa. The
+ * user may also supply a tolerance value (number of packets) when deviations
+ * are acceptable */
+function f_osmuxem_stats_compare(OsmuxemStats a, OsmuxemStats b, integer tolerance := 0) return boolean {
+ var integer plen;
+
+ log("stats A: ", a);
+ log("stats B: ", b);
+ log("tolerance: ", tolerance, " packets");
+
+ if (f_osmuxem_stats_compare_value(a.num_pkts_tx, b.num_pkts_rx, tolerance) == false) {
+ return false;
+ }
+
+ if (f_osmuxem_stats_compare_value(a.num_pkts_rx, b.num_pkts_tx, tolerance) == false) {
+ return false;
+ }
+
+ if(a.num_pkts_tx > 0) {
+ plen := a.bytes_payload_tx / a.num_pkts_tx;
+ } else {
+ plen := 0;
+ }
+
+ if (f_osmuxem_stats_compare_value(a.bytes_payload_tx, b.bytes_payload_rx, tolerance * plen) == false) {
+ return false;
+ }
+
+ if (f_osmuxem_stats_compare_value(a.bytes_payload_rx, b.bytes_payload_tx, tolerance * plen) == false) {
+ return false;
+ }
+
+ return true;
+}
+
+/* Check the statistics for general signs of errors. This is a basic general
+ * check that will fit most situations and is intended to be executed by
+ * the testcases as as needed. */
+function f_osmuxem_stats_err_check(OsmuxemStats s) {
+ log("stats: ", s);
+
+ /* Check if there was some activity at either on the RX or on the
+ * TX side, but complete silence would indicate some problem */
+ if (s.num_pkts_tx < 1 and s.num_pkts_rx < 1) {
+ setverdict(fail, "no Osmux packet activity detected (packets)");
+ mtc.stop;
+ }
+ if (s.bytes_payload_tx < 1 and s.bytes_payload_rx < 1) {
+ setverdict(fail, "no Osmux packet activity detected (bytes)");
+ mtc.stop;
+ }
+
+ /* Check error counters */
+ if (s.num_pkts_rx_err_seq != 0) {
+ setverdict(fail, "Osmux packet sequence number errors occurred");
+ mtc.stop;
+ }
+ if (s.num_pkts_rx_err_disabled != 0) {
+ setverdict(fail, "Osmux packets received while RX was disabled");
+ mtc.stop;
+ }
+ if (s.num_pkts_rx_err_payload != 0) {
+ setverdict(fail, "Osmux packets with mismatching payload received");
+ mtc.stop;
+ }
+}
+
+template PDU_Osmux_AMR ts_OsmuxAMR(BIT1 marker, INT3b ctr, BIT1 amr_f, BIT1 amr_q, INT1 seq,
+ OsmuxCID cid, INT4b amr_ft, INT4b amr_cmr,
+ octetstring payload) := {
+ header := {
+ marker := marker,
+ ft := 1,
+ ctr := ctr,
+ amr_f := amr_f,
+ amr_q := amr_q,
+ seq := seq,
+ cid := cid,
+ amr_ft := amr_ft,
+ amr_cmr := amr_cmr
+ },
+ data := payload
+}
+
+private function f_rxhandle_get_by_cid(OsmuxCID cid) runs on OSMUX_Emulation_CT return OsmuxRxHandle {
+ var integer i;
+ for (i := 0; i < sizeof(RxHandleTable); i := i+1) {
+ if (isbound(RxHandleTable[i].cid) and RxHandleTable[i].cid == cid) {
+ return RxHandleTable[i].vc_conn;
+ }
+ }
+ setverdict(fail, "No Component for CID ", cid);
+ mtc.stop;
+}
+
+private function f_rxhandle_cid_add(OsmuxRxHandle hdl) runs on OSMUX_Emulation_CT {
+ var integer i;
+ for (i := 0; i < sizeof(RxHandleTable); i := i+1) {
+ if (not isbound(RxHandleTable[i].cid)) {
+ RxHandleTable[i].cid := hdl.cid;
+ RxHandleTable[i].vc_conn := hdl;
+ return;
+ }
+ }
+ testcase.stop("No Space in RxHandleTable for ", hdl.cid);
+ mtc.stop;
+}
+
+private function f_txhandle_cid_add(OsmuxTxHandle hdl) runs on OSMUX_Emulation_CT {
+ var integer i;
+ for (i := 0; i < sizeof(TxHandleList); i := i+1) {
+ if (not isbound(TxHandleList[i])) {
+ TxHandleList[i] := hdl;
+ return;
+ }
+ }
+ testcase.stop("No Space in TxHandleList for ", hdl.cid);
+ mtc.stop;
+}
+
+function f_osmux_gen_expected_rx_rtp_payload(INT4b amr_ft, octetstring tx_fixed_payload) return octetstring {
+ var integer payload_len;
+ var octetstring payload_truncated;
+ var integer i;
+ payload_len := f_amrft_payload_len(amr_ft);
+ payload_truncated := substr(tx_fixed_payload, 0, payload_len);
+ return payload_truncated;
+}
+
+private function f_osmux_gen_payload(INT3b ctr, INT4b amr_ft) runs on OSMUX_Emulation_CT return octetstring {
+ var octetstring payload_truncated := ''O;
+ var integer i;
+
+ for (i := 0; i < ctr + 1; i := i+1) {
+ payload_truncated := payload_truncated & f_osmux_gen_expected_rx_rtp_payload(amr_ft, g_cfg.tx_fixed_payload);
+ }
+ return payload_truncated;
+}
+
+private function f_tx_osmux(integer i, INT3b ctr, octetstring payload, BIT1 marker := '0'B) runs on OSMUX_Emulation_CT {
+ var OsmuxTxHandle hdl := TxHandleList[i];
+ var PDU_Osmux_AMR osmux_amr := valueof(ts_OsmuxAMR(marker, ctr, hdl.amr_f,
+ hdl.amr_q, hdl.seq, hdl.cid, hdl.amr_ft,
+ hdl.amr_cmr, payload));
+ OSMUX.send(t_Osmux_Send(g_osmux_conn_id, OSMUX_PDU:{osmux_amr:=osmux_amr}));
+ /* increment sequence + timestamp for next transmit */
+ TxHandleList[i].seq := TxHandleList[i].seq + 1;
+
+ /* update counters */
+ g_stat.num_pkts_tx := g_stat.num_pkts_tx+1;
+ g_stat.bytes_payload_tx := g_stat.bytes_payload_tx +
+ lengthof(payload);
+}
+
+private function f_tx_osmux_all_cid(BIT1 marker := '0'B) runs on OSMUX_Emulation_CT {
+ /* TODO: append all in one UDP packet and send together */
+ var integer i;
+ var octetstring payload_truncated;
+ var INT3b ctr := g_cfg.batch_size - 1;
+
+ for (i := 0; i < sizeof(TxHandleList); i := i+1) {
+ if (isbound(TxHandleList[i])) {
+ payload_truncated := f_osmux_gen_payload(ctr, TxHandleList[i].amr_ft);
+ f_tx_osmux(i, ctr, payload_truncated, marker);
+
+ }
+ }
+}
+
+function f_main() runs on OSMUX_Emulation_CT
+{
+ var Result res;
+ var OsmuxRxHandle rx_hdl;
+ var OsmuxTxHandle tx_hdl;
+ var octetstring payload_truncated;
+
+ timer T_transmit := int2float(g_cfg.tx_duration_ms)/1000.0;
+ var Osmux_RecvFrom rx_osmux;
+ var PDU_Osmux_AMR rx_amr;
+ var PDU_Osmux_DUMMY osmux_dummy;
+ var OsmuxemConfig cfg;
+ var template Osmux_RecvFrom tr_osmux_amr := {
+ connId := ?,
+ remName := ?,
+ remPort := ?,
+ locName := ?,
+ locPort := ?,
+ msg := ?
+ };
+ tr_osmux_amr.msg := { osmux_amr := ? };
+ var template Osmux_RecvFrom tr_osmux_dummy := {
+ connId := ?,
+ remName := ?,
+ remPort := ?,
+ locName := ?,
+ locPort := ?,
+ msg := ?
+ };
+ tr_osmux_dummy.msg := { osmux_dummy := ? };
+
+ while (true) {
+ alt {
+ /* control procedures (calls) from the user */
+ [] CTRL.getcall(OsmuxEM_bind:{?,?}) -> param(g_local_host, g_local_port) {
+
+ g_tx_connected := false; /* will set it back to true upon next connect() call */
+ res := OSMUX_CodecPort_CtrlFunct.f_IPL4_listen(OSMUX, g_local_host,
+ g_local_port, {udp:={}});
+ if (not ispresent(res.connId)) {
+ setverdict(fail, "Could not listen on Osmux socket, check your configuration");
+ mtc.stop;
+ }
+ g_osmux_conn_id := res.connId;
+ tr_osmux_amr.connId := g_osmux_conn_id;
+ tr_osmux_dummy.connId := g_osmux_conn_id;
+
+ CTRL.reply(OsmuxEM_bind:{g_local_host, g_local_port});
+ }
+ [] CTRL.getcall(OsmuxEM_connect:{?,?}) -> param (g_remote_host, g_remote_port) {
+ res := OSMUX_CodecPort_CtrlFunct.f_IPL4_connect(OSMUX, g_remote_host,
+ g_remote_port,
+ g_local_host, g_local_port,
+ g_osmux_conn_id, {udp:={}});
+ if (not ispresent(res.connId)) {
+ setverdict(fail, "Could not connect to Osmux socket, check your configuration");
+ mtc.stop;
+ }
+ g_tx_connected := true;
+ CTRL.reply(OsmuxEM_connect:{g_remote_host, g_remote_port});
+ }
+ [] CTRL.getcall(OsmuxEM_mode:{OSMUXEM_MODE_NONE}) {
+ T_transmit.stop;
+ g_rx_enabled := false;
+ CTRL.reply(OsmuxEM_mode:{OSMUXEM_MODE_NONE});
+ }
+ [] CTRL.getcall(OsmuxEM_mode:{OSMUXEM_MODE_TXONLY}) {
+ /* start transmit timer */
+ T_transmit.start;
+ g_rx_enabled := false;
+ CTRL.reply(OsmuxEM_mode:{OSMUXEM_MODE_TXONLY});
+ }
+ [] CTRL.getcall(OsmuxEM_mode:{OSMUXEM_MODE_RXONLY}) {
+
+ T_transmit.stop;
+ if (g_rx_enabled == false) {
+ /* flush queues */
+ OSMUX.clear;
+ g_rx_enabled := true;
+ }
+ CTRL.reply(OsmuxEM_mode:{OSMUXEM_MODE_RXONLY});
+ }
+ [] CTRL.getcall(OsmuxEM_mode:{OSMUXEM_MODE_BIDIR}) {
+ T_transmit.start;
+ if (g_rx_enabled == false) {
+ /* flush queues */
+ OSMUX.clear;
+ g_rx_enabled := true;
+ }
+ CTRL.reply(OsmuxEM_mode:{OSMUXEM_MODE_BIDIR});
+ }
+ [] CTRL.getcall(OsmuxEM_configure:{?}) -> param (cfg) {
+ g_cfg := cfg;
+ CTRL.reply(OsmuxEM_configure:{cfg});
+ }
+ [] CTRL.getcall(OsmuxEM_register_txhandle:{?}) -> param (tx_hdl) {
+ f_txhandle_cid_add(tx_hdl);
+ CTRL.reply(OsmuxEM_register_txhandle:{tx_hdl});
+ }
+ [] CTRL.getcall(OsmuxEM_register_rxhandle:{?}) -> param (rx_hdl) {
+ f_rxhandle_cid_add(rx_hdl);
+ CTRL.reply(OsmuxEM_register_rxhandle:{rx_hdl});
+ }
+ [] CTRL.getcall(OsmuxEM_stats_get:{?}) {
+ CTRL.reply(OsmuxEM_stats_get:{g_stat});
+ }
+
+ /* simply ignore any Osmux AMR if receiver not enabled */
+ [g_rx_enabled==false] OSMUX.receive(tr_osmux_amr) {
+ g_stat.num_pkts_rx_err_disabled := g_stat.num_pkts_rx_err_disabled+1;
+ }
+ /* simply ignore any Osmux Dummy if receiver not enabled */
+ [g_rx_enabled==false] OSMUX.receive(tr_osmux_dummy) -> value rx_osmux {
+ log("Osmux Dummy received on CID ", rx_osmux.msg.osmux_dummy.header.cid, " (rx_disabled)");
+ }
+
+ /* process received Osmux AMR if receiver enabled */
+ [g_rx_enabled] OSMUX.receive(tr_osmux_amr) -> value rx_osmux {
+ /* increment counters */
+ g_stat.num_pkts_rx := g_stat.num_pkts_rx+1;
+ g_stat.bytes_payload_rx := g_stat.bytes_payload_rx +
+ lengthof(rx_osmux.msg.osmux_amr.data);
+ rx_hdl := f_rxhandle_get_by_cid(rx_osmux.msg.osmux_amr.header.cid);
+
+ if (rx_hdl.first_seq_seen and rx_hdl.last_seq_ack != rx_osmux.msg.osmux_amr.header.seq - 1 ) {
+ g_stat.num_pkts_rx_err_seq := g_stat.num_pkts_rx_err_seq + 1;
+ }
+ rx_hdl.first_seq_seen := true;
+ rx_hdl.last_seq_ack := rx_osmux.msg.osmux_amr.header.seq;
+
+ payload_truncated := f_osmux_gen_payload(rx_osmux.msg.osmux_amr.header.ctr, rx_osmux.msg.osmux_amr.header.amr_ft);
+ if (ispresent(g_cfg.rx_fixed_payload) and rx_osmux.msg.osmux_amr.data != payload_truncated) {
+ g_stat.num_pkts_rx_err_payload := g_stat.num_pkts_rx_err_payload + 1;
+ }
+ }
+ /* process received Osmux Dummy if receiver enabled */
+ [g_rx_enabled] OSMUX.receive(tr_osmux_dummy) -> value rx_osmux {
+ log("Osmux Dummy received on CID", rx_osmux.msg.osmux_dummy.header.cid);
+ rx_hdl := f_rxhandle_get_by_cid(rx_osmux.msg.osmux_dummy.header.cid);
+ }
+
+ /* transmit if timer has expired */
+ [g_tx_connected] T_transmit.timeout {
+ /* send one Osmux frame, re-start timer */
+ f_tx_osmux_all_cid();
+ T_transmit.start;
+ }
+
+ /* fail on any unexpected messages */
+ [] OSMUX.receive {
+ setverdict(fail, "Received unexpected type from Osmux");
+ mtc.stop;
+ }
+ }
+ }
+}
+
+
+}
diff --git a/library/OSMUX_Types.ttcn b/library/OSMUX_Types.ttcn
new file mode 100644
index 00000000..091b4d70
--- /dev/null
+++ b/library/OSMUX_Types.ttcn
@@ -0,0 +1,110 @@
+/*
+ * (C) 2019 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All rights reserved.
+ *
+ * Author: Pau Espin Pedrol <pespin@sysmocom.de>
+ *
+ * Released under the terms of GNU General Public License, Version 2 or
+ * (at your option) any later version.
+ */
+
+module OSMUX_Types {
+
+import from General_Types all;
+
+external function enc_OSMUX_PDU ( in OSMUX_PDU msg ) return octetstring
+ with { extension "prototype(convert) encode(RAW)" };
+external function dec_OSMUX_PDU ( in octetstring msg ) return OSMUX_PDU
+ with { extension "prototype(convert) decode(RAW)" };
+
+type INT1 OsmuxCID (0 .. 255);
+
+type enumerated OsmuxFT {
+ OSMUX_FT_LAPD,
+ OSMUX_FT_AMR,
+ OSMUX_FT_DUMMY
+};
+
+type record Osmux_AMR_header {
+ BIT1 marker,
+ INT2b ft,
+ INT3b ctr,
+ BIT1 amr_f,
+ BIT1 amr_q,
+ INT1 seq,
+ OsmuxCID cid,
+ INT4b amr_ft,
+ INT4b amr_cmr
+} with {
+ variant "FIELDORDER(msb)"
+}
+
+type record PDU_Osmux_AMR {
+ Osmux_AMR_header header,
+ octetstring data
+} with {
+ variant "FIELDORDER(msb)"
+};
+
+type record PDU_Osmux_DUMMY {
+ Osmux_AMR_header header,
+ octetstring data
+} with {
+ variant "FIELDORDER(msb)"
+};
+
+type record Osmux_session_par {
+ integer id optional,
+ charstring local_address optional,
+ integer local_port optional,
+ charstring dest_address optional,
+ integer dest_port optional
+}
+
+type record ASP_Osmux_Open_session {
+ Osmux_session_par session_id
+}
+
+type record ASP_Osmux_Open_session_result {
+ Osmux_session_par session_id
+}
+
+type record ASP_Osmux_Close_session {
+ Osmux_session_par session_id
+}
+
+type union OSMUX_PDU {
+ PDU_Osmux_AMR osmux_amr,
+ PDU_Osmux_DUMMY osmux_dummy
+} with {
+ variant "TAG (
+ osmux_amr, header.ft = 1;
+ osmux_dummy, header.ft = 2;
+ )"
+};
+
+
+/* AMR voice frame type identifiers
+ * See also 3GPP TS 26.101, Table 1a: Interpretation of Frame Type, Mode
+ * Indication and Mode Request fields */
+type enumerated AMRFT {
+ AMR_FT_0, /* 4.75 */
+ AMR_FT_1, /* 5.15 */
+ AMR_FT_2, /* 5.90 */
+ AMR_FT_3, /* 6.70 */
+ AMR_FT_4, /* 7.40 */
+ AMR_FT_5, /* 7.95 */
+ AMR_FT_6, /* 10.2 */
+ AMR_FT_7, /* 12.2 */
+ AMR_FT_SID /* SID */
+};
+
+/* AMR voice frame length (in bytes, rounded),
+ * See also RFC 3267, chapter 3.6 */
+const integer c_AMRFT_len[9] := {12, 13, 15, 17, 19, 20, 26, 31, 5};
+
+function f_amrft_payload_len(INT4b amr_ft) return integer {
+ return c_AMRFT_len[amr_ft];
+}
+
+} with { encode "RAW"}
diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn
index 8cb24041..ec3070e2 100644
--- a/mgw/MGCP_Test.ttcn
+++ b/mgw/MGCP_Test.ttcn
@@ -8,6 +8,10 @@ module MGCP_Test {
import from RTP_CodecPort all;
import from RTP_CodecPort_CtrlFunct all;
import from RTP_Emulation all;
+ import from OSMUX_Types all;
+ import from OSMUX_CodecPort all;
+ import from OSMUX_CodecPort_CtrlFunct all;
+ import from OSMUX_Emulation all;
import from IPL4asp_Types all;
import from General_Types all;
import from Native_Functions all;
@@ -31,6 +35,9 @@ module MGCP_Test {
var RTP_Emulation_CT vc_RTPEM[3];
port RTPEM_CTRL_PT RTPEM[3];
+ var OSMUX_Emulation_CT vc_OsmuxEM;
+ port OsmuxEM_CTRL_PT OsmuxEM;
+
port TELNETasp_PT MGWVTY;
};
@@ -50,12 +57,29 @@ module MGCP_Test {
PortNumber mp_remote_udp_port := 2427;
charstring mp_remote_ip := "127.0.0.1";
PortNumber mp_local_rtp_port_base := 10000;
+ PortNumber mp_local_osmux_port := 1985;
}
- private function f_init_vty() runs on dummy_CT {
+ private function f_vty_enable_osmux(boolean osmux_on) runs on dummy_CT {
+ /* Turn on conversion mode */
+ f_vty_enter_config(MGWVTY);
+ f_vty_transceive(MGWVTY, "mgcp");
+ if (osmux_on) {
+ f_vty_transceive(MGWVTY, "osmux on");
+ } else {
+ f_vty_transceive(MGWVTY, "osmux off");
+ }
+ f_vty_transceive(MGWVTY, "exit");
+ f_vty_transceive(MGWVTY, "exit");
+
+ }
+
+ private function f_init_vty(boolean osmux_on) runs on dummy_CT {
map(self:MGWVTY, system:MGWVTY);
f_vty_set_prompts(MGWVTY);
f_vty_transceive(MGWVTY, "enable");
+
+ f_vty_enable_osmux(osmux_on);
}
private function f_rtpem_init(inout RTP_Emulation_CT comp_ref, integer i)
@@ -66,10 +90,17 @@ module MGCP_Test {
comp_ref.start(RTP_Emulation.f_main());
}
+ private function f_osmuxem_init(inout OSMUX_Emulation_CT comp_ref)
+ runs on dummy_CT {
+ comp_ref := OSMUX_Emulation_CT.create("OsmuxEM");
+ map(comp_ref:OSMUX, system:OSMUX);
+ comp_ref.start(OSMUX_Emulation.f_main());
+ }
+
/* initialization function, called by each test case at the
* beginning, but 'initialized' variable ensures its body is
* only executed once */
- private function f_init(template MgcpEndpoint ep := omit) runs on dummy_CT {
+ private function f_init(template MgcpEndpoint ep := omit, boolean osmux_on := false) runs on dummy_CT {
var Result res;
var uint32_t ssrc;
@@ -93,6 +124,10 @@ module MGCP_Test {
f_rtpem_init(vc_RTPEM[i], i);
connect(vc_RTPEM[i]:CTRL, self:RTPEM[i]);
}
+ if (osmux_on) {
+ f_osmuxem_init(vc_OsmuxEM);
+ connect(vc_OsmuxEM:CTRL, self:OsmuxEM);
+ }
}
if (isvalue(ep)) {
@@ -100,7 +135,7 @@ module MGCP_Test {
f_dlcx_ignore(valueof(ep));
}
- f_init_vty();
+ f_init_vty(osmux_on);
}
testcase TC_selftest() runs on dummy_CT {
@@ -272,6 +307,10 @@ module MGCP_Test {
charstring codec,
MgcpConnectionId mgcp_conn_id optional,
RtpemConfig rtp_cfg optional,
+ boolean osmux_cid_sent, /* whther non wildcarded CID was already sent to MGW */
+ MgcpOsmuxCID osmux_cid optional,
+ MgcpOsmuxCID osmux_cid_response optional,
+ OsmuxemConfig osmux_cfg optional,
charstring fmtp optional
}
@@ -333,6 +372,91 @@ module MGCP_Test {
f_rtpem_connect(pt, flow.mgw.hostname, flow.mgw.portnr);
}
+ /* Create an Osmux flow (bidirectional, or receive-only) */
+ function f_flow_create_osmux(OsmuxEM_CTRL_PT pt, MgcpEndpoint ep, MgcpCallId call_id, charstring mode, inout RtpFlowData flow,
+ boolean one_phase := true)
+ runs on dummy_CT {
+ var template MgcpCommand cmd;
+ var MgcpResponse resp;
+ var SDP_attribute_list attributes;
+ var OsmuxTxHandle tx_hdl;
+ var OsmuxRxHandle rx_hdl;
+ var charstring cid_response;
+ var OsmuxCID cid_resp_parsed
+
+ attributes := { valueof(ts_SDP_rtpmap(flow.pt, flow.codec)), valueof(ts_SDP_ptime(20)) };
+ if (isvalue(flow.fmtp)) {
+ attributes := attributes & { valueof(ts_SDP_fmtp(flow.pt, flow.fmtp)) };
+ }
+
+ /* bind local Osmux emulation socket */
+ f_osmuxem_bind(pt, flow.em.hostname, flow.em.portnr);
+
+ /* configure osmux-emulation */
+ if (ispresent(flow.osmux_cfg)) {
+ f_osmuxem_configure(pt, flow.osmux_cfg);
+ } else {
+ var OsmuxemConfig osmux_cfg := c_OsmuxemDefaultCfg;
+ f_osmuxem_configure(pt, osmux_cfg);
+ flow.osmux_cfg := osmux_cfg
+ }
+
+ if (one_phase) {
+ /* Connect flow to MGW using a CRCX that also contains an SDP
+ * part that tells the MGW where we are listening for Osmux streams
+ * that come from the MGW. We get a fully working connection in
+ * one go. */
+ rx_hdl := c_OsmuxemDefaultRxHandle;
+ rx_hdl.cid := flow.osmux_cid;
+ f_osmuxem_register_rxhandle(pt, rx_hdl);
+ flow.osmux_cid_sent := true;
+ cmd := ts_CRCX_osmux(get_next_trans_id(), ep, mode, call_id, flow.osmux_cid);
+ cmd.sdp := ts_SDP(flow.em.hostname, flow.em.hostname, "23", "42",
+ flow.em.portnr, { int2str(flow.pt) }, attributes);
+ resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK_osmux);
+ flow.mgcp_conn_id := extract_conn_id(resp);
+ /* extract port number from response */
+ flow.mgw.portnr :=
+ resp.sdp.media_list[0].media_field.ports.port_number;
+ } else {
+ /* Create a half-open connection only. We do not tell the MGW
+ * where it can send Osmux streams to us. This means this
+ * connection will only be able to receive but can not send
+ * data back to us. In order to turn the connection in a fully
+ * bi-directional one, a separate MDCX is needed. */
+
+ cmd := ts_CRCX_osmux(get_next_trans_id(), ep, mode, call_id, flow.osmux_cid);
+ resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK_osmux);
+
+ flow.mgcp_conn_id := extract_conn_id(resp);
+ /* extract MGW-side port number from response */
+ flow.mgw.portnr :=
+ resp.sdp.media_list[0].media_field.ports.port_number;
+ }
+
+ /* extract Osmux CID we got assigned by the MGW */
+ var MgcpMessage resp_msg := {
+ response := resp
+ }
+
+ if (f_mgcp_find_param(resp_msg, "X-OSMUX", cid_response) == false) {
+ setverdict(fail, "No Osmux CID in MGCP response", resp);
+ mtc.stop;
+ }
+
+ /* Make sure response is no wildcard */
+ flow.osmux_cid_response := f_mgcp_osmux_cid_decode(cid_response);
+ if (flow.osmux_cid_response == -1) {
+ setverdict(fail, "Osmux CID in MGCP response contains unexpected wildcard");
+ mtc.stop;
+ }
+ tx_hdl := valueof(t_TxHandleAMR590(flow.osmux_cid_response));
+ f_osmuxem_register_txhandle(pt, tx_hdl);
+
+ /* finally, connect the emulation-side RTP socket to the MGW */
+ f_osmuxem_connect(pt, flow.mgw.hostname, flow.mgw.portnr);
+ }
+
/* Modify an existing RTP flow */
function f_flow_modify(RTPEM_CTRL_PT pt, MgcpEndpoint ep, MgcpCallId call_id, charstring mode, inout RtpFlowData flow)
runs on dummy_CT {
@@ -372,6 +496,76 @@ module MGCP_Test {
f_rtpem_connect(pt, flow.mgw.hostname, flow.mgw.portnr);
}
+ /* Modify an existing Osmux flow */
+ function f_flow_modify_osmux(OsmuxEM_CTRL_PT pt, MgcpEndpoint ep, MgcpCallId call_id, charstring mode, inout RtpFlowData flow)
+ runs on dummy_CT {
+ var template MgcpCommand cmd;
+ var MgcpResponse resp;
+ var SDP_attribute_list attributes;
+ var OsmuxRxHandle rx_hdl;
+ var charstring cid_response;
+ var OsmuxCID cid_resp_parsed
+
+ attributes := { valueof(ts_SDP_rtpmap(flow.pt, flow.codec)), valueof(ts_SDP_ptime(20)) };
+ if (isvalue(flow.fmtp)) {
+ attributes := attributes & { valueof(ts_SDP_fmtp(flow.pt, flow.fmtp)) };
+ }
+
+ /* rebind local Osmux emulation socket to the new address */
+ f_osmuxem_bind(pt, flow.em.hostname, flow.em.portnr);
+
+ /* configure osmux-emulation */
+ if (ispresent(flow.osmux_cfg)) {
+ f_osmuxem_configure(pt, flow.osmux_cfg);
+ } else {
+ var OsmuxemConfig osmux_cfg := c_OsmuxemDefaultCfg;
+ f_osmuxem_configure(pt, osmux_cfg);
+ }
+
+ /* We didn't send a non-wildcarded Osmux CID yet. If caller wants to submit it, register handler */
+ if (flow.osmux_cid_sent == false and flow.osmux_cid != -1) {
+ rx_hdl := c_OsmuxemDefaultRxHandle;
+ rx_hdl.cid := flow.osmux_cid;
+ f_osmuxem_register_rxhandle(pt, rx_hdl);
+ flow.osmux_cid_sent := true;
+ }
+
+ /* connect MGW side Osmux socket to the emulation-side Osmux socket using SDP */
+ cmd := ts_MDCX_osmux(get_next_trans_id(), ep, mode, call_id, flow.mgcp_conn_id, flow.osmux_cid);
+ cmd.sdp := ts_SDP(flow.em.hostname, flow.em.hostname, "23", "42",
+ flow.em.portnr, { int2str(flow.pt) }, attributes);
+ resp := mgcp_transceive_mgw(cmd, tr_MDCX_ACK);
+
+ /* extract MGW-side port number from response. (usually this
+ * will not change, but thats is up to the MGW) */
+ flow.mgw.portnr :=
+ resp.sdp.media_list[0].media_field.ports.port_number;
+
+ /* extract Osmux CID we got assigned by the MGW */
+ var MgcpMessage resp_msg := {
+ response := resp
+ }
+
+ if (f_mgcp_find_param(resp_msg, "X-OSMUX", cid_response) == false) {
+ setverdict(fail, "No Osmux CID in MGCP response", resp);
+ mtc.stop;
+ }
+
+ /* Make sure response is no wildcard */
+ cid_resp_parsed := f_mgcp_osmux_cid_decode(cid_response);
+ if (cid_resp_parsed == -1) {
+ setverdict(fail, "Osmux CID in MGCP response contains unexpected wildcard");
+ mtc.stop;
+ }
+ if (cid_resp_parsed != flow.osmux_cid_response) {
+ setverdict(fail, "Osmux CID in MGCP MDCX response changed from prev value");
+ mtc.stop;
+ }
+
+ /* reconnect the emulation-side Osmux socket to the MGW */
+ f_osmuxem_connect(pt, flow.mgw.hostname, flow.mgw.portnr);
+ }
+
/* Delete an existing RTP flow */
function f_flow_delete(RTPEM_CTRL_PT pt, template MgcpEndpoint ep := omit, template MgcpCallId call_id := omit)
runs on dummy_CT {
@@ -388,6 +582,22 @@ module MGCP_Test {
}
}
+ /* Delete an existing Osmux flow */
+ function f_flow_delete_osmux(OsmuxEM_CTRL_PT pt, template MgcpEndpoint ep := omit, template MgcpCallId call_id := omit)
+ runs on dummy_CT {
+ var template MgcpCommand cmd;
+ var MgcpResponse resp;
+
+ /* Switch off Osmux flow */
+ f_osmuxem_mode(pt, OSMUXEM_MODE_NONE);
+
+ /* Delete connection on MGW (if needed) */
+ if (isvalue(call_id) and isvalue(ep)) {
+ f_sleep(0.1);
+ f_dlcx_ok(valueof(ep), call_id);
+ }
+ }
+
function f_crcx(charstring ep_prefix) runs on dummy_CT {
var MgcpEndpoint ep := ep_prefix & "2@" & c_mgw_domain;
var template MgcpCommand cmd;
@@ -437,6 +647,42 @@ module MGCP_Test {
}
}
+ function f_crcx_osmux(charstring ep_prefix, MgcpOsmuxCID osmux_cid, boolean run_init := true) runs on dummy_CT {
+ var MgcpEndpoint ep := ep_prefix & "2@" & c_mgw_domain;
+ var template MgcpCommand cmd;
+ var MgcpResponse resp;
+ var MgcpCallId call_id := '1234'H;
+ var charstring cid_response;
+
+ if (run_init) {
+ f_init(ep, true);
+ }
+
+ /* create the connection on the MGW */
+ cmd := ts_CRCX_osmux(get_next_trans_id(), ep, "recvonly", call_id, osmux_cid);
+ resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK_osmux);
+ extract_conn_id(resp);
+
+ /* extract Osmux CID we got assigned by the MGW */
+ var MgcpMessage resp_msg := {
+ response := resp
+ }
+
+ if (f_mgcp_find_param(resp_msg, "X-OSMUX", cid_response) == false) {
+ setverdict(fail, "No Osmux CID in MGCP response", resp);
+ mtc.stop;
+ }
+
+ /* Make sure response is no wildcard */
+ if (f_mgcp_osmux_cid_decode(cid_response) == -1) {
+ setverdict(fail, "Osmux CID in MGCP response contains unexpected wildcard");
+ mtc.stop;
+ }
+
+ /* clean-up */
+ f_dlcx_ok(ep, call_id);
+ }
+
/* test valid CRCX without SDP */
testcase TC_crcx() runs on dummy_CT {
f_crcx(c_mgw_ep_rtpbridge);
@@ -791,6 +1037,358 @@ module MGCP_Test {
setverdict(pass);
}
+ /* test valid CRCX without SDP */
+ testcase TC_crcx_osmux_wildcard() runs on dummy_CT {
+ f_crcx_osmux(c_mgw_ep_rtpbridge, -1);
+ setverdict(pass);
+ }
+
+ /* test valid CRCX without SDP */
+ testcase TC_crcx_osmux_fixed() runs on dummy_CT {
+ f_crcx_osmux(c_mgw_ep_rtpbridge, 2);
+ setverdict(pass);
+ }
+
+ /* test valid CRCX without SDP, twice, to make sure CID is freed fine during first step. */
+ testcase TC_crcx_osmux_fixed_twice() runs on dummy_CT {
+ f_crcx_osmux(c_mgw_ep_rtpbridge, 3, true);
+ f_crcx_osmux(c_mgw_ep_rtpbridge, 3, false);
+ setverdict(pass);
+ }
+
+ /* Create one half open connection in receive-only mode. The MGW must accept
+ * the packets but must not send any. */
+ testcase TC_one_crcx_receive_only_osmux() runs on dummy_CT {
+ var RtpFlowData flow;
+ var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "1@" & c_mgw_domain;
+ var MgcpCallId call_id := '1225'H;
+ var OsmuxemStats stats;
+ var OsmuxTxHandle tx_hdl;
+
+ f_init(ep, true);
+ flow := valueof(t_RtpFlow(mp_local_ip, mp_remote_ip, 112, "AMR/8000/1"));
+ flow.em.portnr := mp_local_osmux_port;
+ flow.osmux_cid := -1;
+ f_flow_create_osmux(OsmuxEM, ep, call_id, "recvonly", flow, false);
+
+ /* create a transmitter not yet known by MGW */
+ tx_hdl := valueof(t_TxHandleAMR590(2));
+ f_osmuxem_register_txhandle(OsmuxEM, tx_hdl);
+
+ f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_TXONLY);
+ f_sleep(1.0);
+ f_flow_delete_osmux(OsmuxEM, ep, call_id);
+
+ stats := f_osmuxem_stats_get(OsmuxEM);
+
+ if (stats.num_pkts_tx < 40 / flow.osmux_cfg.batch_size) {
+ setverdict(fail);
+ }
+ if (stats.bytes_payload_tx < stats.num_pkts_tx * f_amrft_payload_len(tx_hdl.amr_ft) * flow.osmux_cfg.batch_size) {
+ setverdict(fail);
+ }
+
+ f_osmuxem_stats_err_check(stats);
+
+ setverdict(pass);
+ }
+
+ /* Create one connection in loopback mode, test if the Osmux packets are
+ * actually reflected */
+ testcase TC_one_crcx_loopback_osmux() runs on dummy_CT {
+ var RtpFlowData flow;
+ var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "1@" & c_mgw_domain;
+ var MgcpCallId call_id := '1225'H;
+ var OsmuxemStats stats;
+ var OsmuxTxHandle tx_hdl;
+
+ f_init(ep, true);
+ flow := valueof(t_RtpFlow(mp_local_ip, mp_remote_ip, 111, "GSM-HR-08/8000/1"));
+ flow.em.portnr := mp_local_osmux_port;
+ flow.osmux_cid := 2;
+ f_flow_create_osmux(OsmuxEM, ep, call_id, "loopback", flow);
+
+ f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_BIDIR);
+ f_sleep(1.0);
+
+ /* Switch off both Tx, wait to receive delayed frames from MGW */
+ f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_RXONLY);
+ f_sleep(0.1);
+ f_flow_delete_osmux(OsmuxEM, ep, call_id);
+
+ stats := f_osmuxem_stats_get(OsmuxEM);
+
+ if (stats.num_pkts_tx != stats.num_pkts_rx) {
+ setverdict(fail);
+ }
+ if (stats.bytes_payload_tx != stats.bytes_payload_rx) {
+ setverdict(fail);
+ }
+
+ f_osmuxem_stats_err_check(stats);
+
+ setverdict(pass);
+ }
+
+ /* Cross-compare two osmuxem-statistics. The transmission statistics on the a side
+ * must match the reception statistics on the other side and vice versa. The
+ * user may also supply a tolerance value (number of packets) when deviations
+ * are acceptable */
+ function f_rtp_osmux_stats_compare(RtpemStats a, OsmuxemStats b, integer batch_size, integer tolerance := 0) return boolean {
+ var integer plen;
+
+ log("stats A: ", a);
+ log("stats B: ", b);
+ log("tolerance: ", tolerance, " packets");
+ log("batch_size: ", batch_size, " packets");
+
+ var integer tolerance_batch := tolerance + (batch_size - tolerance mod batch_size);
+
+ if (f_osmuxem_stats_compare_value(a.num_pkts_tx, b.num_pkts_rx * batch_size, tolerance_batch) == false) {
+ return false;
+ }
+
+ if (f_osmuxem_stats_compare_value(a.num_pkts_rx / batch_size, b.num_pkts_tx, tolerance_batch) == false) {
+ return false;
+ }
+
+ if(a.num_pkts_tx > 0) {
+ plen := a.bytes_payload_tx / a.num_pkts_tx;
+ } else {
+ plen := 0;
+ }
+
+ /* Each RTP pcket payload contains 2 extra bytes due to AMR ToC at start */
+ if (f_osmuxem_stats_compare_value(a.bytes_payload_tx, b.bytes_payload_rx + a.num_pkts_tx * 2, tolerance_batch * plen) == false) {
+ log("incorrect payload A->B: " , a.bytes_payload_tx, " vs ", b.bytes_payload_rx + a.num_pkts_rx * 2);
+ return false;
+ }
+
+ if (f_osmuxem_stats_compare_value(a.bytes_payload_rx, b.bytes_payload_tx + b.num_pkts_tx * 2 * batch_size, tolerance_batch * plen) == false) {
+ log("incorrect payload B->A: " , b.bytes_payload_tx + b.num_pkts_tx * 2 * batch_size, " vs ", a.bytes_payload_rx);
+ return false;
+ }
+
+ return true;
+ }
+
+ function f_TC_two_crcx_and_rtp_osmux(boolean bidir) runs on dummy_CT {
+ var RtpFlowData flow[2];
+ var RtpemStats stats_rtp;
+ var OsmuxemStats stats_osmux;
+ var MgcpResponse resp;
+ var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain;
+ var MgcpCallId call_id := '1226'H;
+ var integer tolerance := 0;
+
+ f_init(ep, true);
+
+ /* from us to MGW */
+ flow[0] := valueof(t_RtpFlow(mp_local_ip, mp_remote_ip, 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;
+ /* bind local RTP emulation sockets */
+ flow[0].em.portnr := 10000;
+ f_flow_create(RTPEM[0], ep, call_id, "sendrecv", flow[0]);
+
+ /* from MGW back to us */
+ flow[1] := valueof(t_RtpFlow(mp_local_ip, mp_remote_ip, 110, "AMR/8000"));
+ flow[1].em.portnr := mp_local_osmux_port;
+ flow[1].osmux_cid := 2;
+ flow[1].osmux_cfg := c_OsmuxemDefaultCfg;
+ f_flow_create_osmux(OsmuxEM, ep, call_id, "sendrecv", flow[1]);
+
+ if (bidir) {
+ f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR);
+ f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_BIDIR);
+
+ /* Note: When we test bidirectional we may
+ * loose packets during switch off because
+ * both ends are transmitting and we only
+ * can switch them off one by one. */
+ tolerance := 3;
+ } else {
+ f_rtpem_mode(RTPEM[0], RTPEM_MODE_RXONLY);
+ f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_TXONLY);
+ }
+
+ f_sleep(1.0);
+
+ /* Switch off both Tx, wait to receive delayed frames from MGW */
+ f_rtpem_mode(RTPEM[0], RTPEM_MODE_RXONLY);
+ f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_RXONLY);
+ f_sleep(0.1);
+
+ f_flow_delete_osmux(OsmuxEM, ep, call_id);
+ f_flow_delete(RTPEM[1]);
+
+ stats_rtp := f_rtpem_stats_get(RTPEM[0]);
+ stats_osmux := f_osmuxem_stats_get(OsmuxEM);
+ if (not f_rtp_osmux_stats_compare(stats_rtp, stats_osmux, flow[1].osmux_cfg.batch_size, tolerance)) {
+ setverdict(fail, "RTP and Osmux endpoint statistics don't match");
+ mtc.stop;
+ }
+
+ f_rtpem_stats_err_check(stats_rtp);
+ f_osmuxem_stats_err_check(stats_osmux);
+
+ setverdict(pass);
+ }
+
+ /* 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);
+ }
+
+ /* 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);
+ }
+
+
+ function f_two_crcx_mdcx_and_rtp_osmux(boolean crcx_osmux_wildcard) runs on dummy_CT {
+ var RtpFlowData flow[2];
+ var RtpemStats stats_rtp;
+ var OsmuxemStats stats_osmux;
+ var MgcpResponse resp;
+ var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain;
+ var MgcpCallId call_id := '1227'H;
+ var integer num_pkts_tx[2];
+ var integer temp;
+
+ f_init(ep, true);
+
+ /* Create the first connection in receive only mode */
+ flow[0] := valueof(t_RtpFlow(mp_local_ip, mp_remote_ip, 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;
+ /* bind local RTP emulation sockets */
+ flow[0].em.portnr := 10000;
+ f_flow_create(RTPEM[0], ep, call_id, "recvonly", flow[0], false);
+
+
+ /* Create the second connection. This connection will be also
+ * in receive only mode */
+ flow[1] := valueof(t_RtpFlow(mp_local_ip, mp_remote_ip, 110, "AMR/8000"));
+ flow[1].em.portnr := mp_local_osmux_port;
+ if (crcx_osmux_wildcard) {
+ flow[1].osmux_cid := -1;
+ } else {
+ flow[1].osmux_cid := 2;
+ }
+ flow[1].osmux_cfg := c_OsmuxemDefaultCfg;
+ f_flow_create_osmux(OsmuxEM, ep, call_id, "recvonly", flow[1], false);
+
+
+ /* The first leg starts transmitting */
+ f_rtpem_mode(RTPEM[0], RTPEM_MODE_TXONLY);
+ f_sleep(0.5);
+ stats_rtp := f_rtpem_stats_get(RTPEM[0]);
+ if (stats_rtp.num_pkts_rx_err_disabled != 0) {
+ setverdict(fail, "received packets from RTP MGW on recvonly connection");
+ mtc.stop;
+ }
+ stats_osmux := f_osmuxem_stats_get(OsmuxEM);
+ if (stats_osmux.num_pkts_rx_err_disabled != 0) {
+ setverdict(fail, "received packets from Osmux MGW on recvonly connection");
+ mtc.stop;
+ }
+
+ /* The second leg starts transmitting a little later */
+ f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_TXONLY);
+ f_sleep(1.0);
+ stats_rtp := f_rtpem_stats_get(RTPEM[0]);
+ if (stats_rtp.num_pkts_rx_err_disabled != 0) {
+ setverdict(fail, "received packets from RTP MGW on recvonly connection");
+ mtc.stop;
+ }
+ stats_osmux := f_osmuxem_stats_get(OsmuxEM);
+ if (stats_osmux.num_pkts_rx_err_disabled != 0) {
+ setverdict(fail, "received packets from Osmux MGW on recvonly connection");
+ mtc.stop;
+ }
+
+ /* The first leg will now be switched into bidirectional
+ * mode, but we do not expect any data comming back yet. */
+ f_flow_modify(RTPEM[0], ep, call_id, "sendrecv", flow[0]);
+ f_sleep(0.5);
+ stats_rtp := f_rtpem_stats_get(RTPEM[0]);
+ if (stats_rtp.num_pkts_rx_err_disabled != 0) {
+ setverdict(fail, "received packets from RTP MGW on recvonly connection");
+ mtc.stop;
+ }
+ stats_osmux := f_osmuxem_stats_get(OsmuxEM);
+ if (stats_osmux.num_pkts_rx_err_disabled != 0) {
+ setverdict(fail, "received packets from Osmux MGW on recvonly connection");
+ mtc.stop;
+ }
+
+ /* When the second leg is switched into bidirectional mode
+ * as well, then the MGW will connect the two together and
+ * we should see RTP streams passing through from both ends. */
+ f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR);
+ f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_BIDIR);
+ stats_rtp := f_rtpem_stats_get(RTPEM[0]);
+ num_pkts_tx[0] := stats_rtp.num_pkts_tx
+ stats_osmux := f_osmuxem_stats_get(OsmuxEM);
+ num_pkts_tx[1] := stats_osmux.num_pkts_tx
+
+ if (crcx_osmux_wildcard) {
+ /* For now we must set same CID as the MGW recvCID,
+ * having sendCID!=recvCID is not yet supported. */
+ flow[1].osmux_cid := flow[1].osmux_cid_response;
+ }
+ f_flow_modify_osmux(OsmuxEM, ep, call_id, "sendrecv", flow[1]);
+ f_sleep(2.0);
+
+ stats_rtp := f_rtpem_stats_get(RTPEM[0]);
+ stats_osmux := f_osmuxem_stats_get(OsmuxEM);
+
+ temp := stats_rtp.num_pkts_tx - num_pkts_tx[0] - stats_osmux.num_pkts_rx * flow[1].osmux_cfg.batch_size;
+ if (temp > 3 * flow[1].osmux_cfg.batch_size or temp < -3 * flow[1].osmux_cfg.batch_size) {
+ log("stats_rtp: ", stats_rtp);
+ log("stats_osmux: ", stats_osmux);
+ log("old_rtp_tx: ", num_pkts_tx[0]);
+ setverdict(fail, "number of packets not within normal parameters (" & int2str(temp) & ")");
+ mtc.stop;
+ }
+
+ temp := stats_osmux.num_pkts_tx - num_pkts_tx[1] - stats_rtp.num_pkts_rx / flow[1].osmux_cfg.batch_size;
+ if (temp > 3 or temp < -3) {
+ setverdict(fail, "number of packets not within normal parameters (" & int2str(temp) & ")");
+ mtc.stop;
+ }
+
+ f_rtpem_stats_err_check(stats_rtp);
+ f_osmuxem_stats_err_check(stats_osmux);
+
+ /* Tear down */
+ f_flow_delete(RTPEM[0]);
+ f_flow_delete_osmux(OsmuxEM, ep, call_id);
+ setverdict(pass);
+ }
+
+ /* create one RTP and one OSmux emulations and pass data in both
+ directions. Create CRCX with wildcard Osmux CID and set it later
+ during MDCX. This is similar to how MSC sets up the call in AoIP. */
+ testcase TC_two_crcx_mdcx_and_rtp_osmux_wildcard() runs on dummy_CT {
+ f_two_crcx_mdcx_and_rtp_osmux(true);
+ }
+
+ /* create one RTP and one OSmux emulations and pass data in both
+ directions. Create CRCX with fixed Osmux CID and keep it during
+ MDCX. This is similar to how BSC sets up the call in AoIP. */
+ testcase TC_two_crcx_mdcx_and_rtp_osmux_fixed() runs on dummy_CT {
+ f_two_crcx_mdcx_and_rtp_osmux(false);
+ }
+
function f_crcx_and_dlcx_ep_callid_connid(MgcpEndpoint ep, MgcpCallId call_id) runs on dummy_CT {
var template MgcpCommand cmd;
var MgcpResponse resp;
@@ -926,7 +1524,8 @@ module MGCP_Test {
portnr := omit
},
pt := pt,
- codec := codec
+ codec := codec,
+ osmux_cid_sent := false
}
/* transmit RTP streams between two RTP Emulations back-to-back; expect no loss */
@@ -1482,6 +2081,16 @@ module MGCP_Test {
execute(TC_crcx_and_dlcx_ep_callid_connid_inval());
execute(TC_crcx_and_dlcx_retrans());
+ execute(TC_crcx_osmux_wildcard());
+ execute(TC_crcx_osmux_fixed());
+ execute(TC_crcx_osmux_fixed_twice());
+ execute(TC_one_crcx_receive_only_osmux());
+ 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_mdcx_and_rtp_osmux_wildcard());
+ execute(TC_two_crcx_mdcx_and_rtp_osmux_fixed());
+
execute(TC_crcx_dlcx_30ep());
execute(TC_rtpem_selftest());
diff --git a/mgw/expected-results.xml b/mgw/expected-results.xml
index 5c520c5e..8975f784 100644
--- a/mgw/expected-results.xml
+++ b/mgw/expected-results.xml
@@ -1,5 +1,5 @@
<?xml version="1.0"?>
-<testsuite name='Titan' tests='35' failures='0' errors='0' skipped='1' inconc='0' time='MASKED'>
+<testsuite name='Titan' tests='44' failures='0' errors='0' skipped='1' inconc='0' time='MASKED'>
<testcase classname='MGCP_Test' name='TC_selftest' time='MASKED'>
<skipped>no verdict</skipped>
</testcase>
@@ -26,6 +26,15 @@
<testcase classname='MGCP_Test' name='TC_crcx_and_dlcx_ep_callid_inval' time='MASKED'/>
<testcase classname='MGCP_Test' name='TC_crcx_and_dlcx_ep_callid_connid_inval' time='MASKED'/>
<testcase classname='MGCP_Test' name='TC_crcx_and_dlcx_retrans' time='MASKED'/>
+ <testcase classname='MGCP_Test' name='TC_crcx_osmux_wildcard' time='MASKED'/>
+ <testcase classname='MGCP_Test' name='TC_crcx_osmux_fixed' time='MASKED'/>
+ <testcase classname='MGCP_Test' name='TC_crcx_osmux_fixed_twice' time='MASKED'/>
+ <testcase classname='MGCP_Test' name='TC_one_crcx_receive_only_osmux' time='MASKED'/>
+ <testcase classname='MGCP_Test' name='TC_one_crcx_loopback_osmux' time='MASKED'/>
+ <testcase classname='MGCP_Test' name='TC_two_crcx_and_rtp_osmux' time='MASKED'/>
+ <testcase classname='MGCP_Test' name='TC_two_crcx_and_rtp_osmux_bidir' time='MASKED'/>
+ <testcase classname='MGCP_Test' name='TC_two_crcx_mdcx_and_rtp_osmux_wildcard' time='MASKED'/>
+ <testcase classname='MGCP_Test' name='TC_two_crcx_mdcx_and_rtp_osmux_fixed' time='MASKED'/>
<testcase classname='MGCP_Test' name='TC_crcx_dlcx_30ep' time='MASKED'/>
<testcase classname='MGCP_Test' name='TC_rtpem_selftest' time='MASKED'/>
<testcase classname='MGCP_Test' name='TC_one_crcx_receive_only_rtp' time='MASKED'/>
diff --git a/mgw/gen_links.sh b/mgw/gen_links.sh
index 632f2e39..f9196370 100755
--- a/mgw/gen_links.sh
+++ b/mgw/gen_links.sh
@@ -41,6 +41,7 @@ DIR=../library
FILES="Misc_Helpers.ttcn General_Types.ttcn Osmocom_Types.ttcn MGCP_Types.ttcn MGCP_Templates.ttcn MGCP_CodecPort.ttcn
MGCP_CodecPort_CtrlFunct.ttcn MGCP_CodecPort_CtrlFunctDef.cc "
FILES+="RTP_CodecPort.ttcn RTP_Emulation.ttcn IuUP_Types.ttcn IuUP_Emulation.ttcn IuUP_EncDec.cc "
+FILES+="OSMUX_CodecPort.ttcn OSMUX_Emulation.ttcn OSMUX_Types.ttcn OSMUX_CodecPort_CtrlFunct.ttcn OSMUX_CodecPort_CtrlFunctDef.cc "
FILES+="Native_Functions.ttcn Native_FunctionDefs.cc IPCP_Types.ttcn "
FILES+="Osmocom_VTY_Functions.ttcn "
gen_links $DIR $FILES
diff --git a/mgw/regen_makefile.sh b/mgw/regen_makefile.sh
index 64a4fc54..4662933d 100755
--- a/mgw/regen_makefile.sh
+++ b/mgw/regen_makefile.sh
@@ -1,5 +1,5 @@
#!/bin/sh
-FILES="*.ttcn SDP_EncDec.cc *.c MGCP_CodecPort_CtrlFunctDef.cc IPL4asp_PT.cc IPL4asp_discovery.cc TCCConversion.cc TCCInterface.cc RTP_EncDec.cc RTP_CodecPort_CtrlFunctDef.cc IuUP_EncDec.cc Native_FunctionDefs.cc TELNETasp_PT.cc IP_EncDec.cc "
+FILES="*.ttcn SDP_EncDec.cc *.c MGCP_CodecPort_CtrlFunctDef.cc IPL4asp_PT.cc IPL4asp_discovery.cc TCCConversion.cc TCCInterface.cc RTP_EncDec.cc RTP_CodecPort_CtrlFunctDef.cc OSMUX_CodecPort_CtrlFunctDef.cc IuUP_EncDec.cc Native_FunctionDefs.cc TELNETasp_PT.cc IP_EncDec.cc "
../regen-makefile.sh MGCP_Test.ttcn $FILES