2017-09-13 21:27:17 +00:00
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module MGCP_Test {
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import from MGCP_Types all;
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2017-09-15 16:56:57 +00:00
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import from SDP_Types all;
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import from MGCP_CodecPort all;
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import from MGCP_CodecPort_CtrlFunct all;
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import from IPL4asp_Types all;
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2017-09-13 21:27:17 +00:00
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type component dummy_CT {
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2017-09-15 16:56:57 +00:00
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port MGCP_CODEC_PT MGCP;
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var boolean initialized := false;
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var ConnectionId g_conn_id := -1;
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2017-09-17 08:23:07 +00:00
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var integer g_trans_id;
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2017-09-13 21:27:17 +00:00
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};
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2017-09-17 08:23:07 +00:00
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function get_next_trans_id() runs on dummy_CT return MgcpTransId {
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var MgcpTransId tid := int2str(g_trans_id);
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g_trans_id := g_trans_id + 1;
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return tid;
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}
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2017-09-15 16:56:57 +00:00
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modulepar {
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PortNumber mp_local_udp_port := 2727;
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charstring mp_local_ip := "127.0.0.1";
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PortNumber mp_remote_udp_port := 2427;
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charstring mp_remote_ip := "127.0.0.1";
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}
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private function f_init()runs on dummy_CT {
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var Result res;
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if (initialized == true) {
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return;
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}
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initialized := true;
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2017-09-17 08:23:07 +00:00
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g_trans_id := float2int(rnd()*65535.0);
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2017-09-15 16:56:57 +00:00
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map(self:MGCP, system:MGCP_CODEC_PT);
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res := f_IPL4_connect(MGCP, mp_remote_ip, mp_remote_udp_port, mp_local_ip, mp_local_udp_port, 0, { udp := {} });
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g_conn_id := res.connId;
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}
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/* 3.2.2.6 Connection Mode (sendonly, recvonly, sendrecv, confrnce, inactive, loopback,
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* conttest, netwloop, netwtest) */
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template MgcpParameter t_MgcpParConnMode(template MgcpConnectionMode mode) := { "M", mode };
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/* 3.2.2.2 CallId: maximum 32 hex chars */
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template MgcpParameter ts_MgcpParCallId(MgcpCallId cid) := {
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code := "C",
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val := hex2str(cid)
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};
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/* 3.2.2.18 RequestIdentifier: Maximum 32 hex chars */
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template MgcpParameter ts_MgcpParReqId(MgcpRequestId rid) := {
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code := "X",
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val := hex2str(rid)
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};
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/* 3.2.2.10: LocalConnectionOptions (codec, packetization, bandwidth, ToS, eco, gain, silence, ...) */
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template MgcpParameter t_MgcpParLocConnOpt(template charstring lco) := { "L", lco };
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/* 3.2.2.5: ConnectionId: maximum 32 hex chars */
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template MgcpParameter ts_MgcpParConnectionId(MgcpConnectionId cid) := {
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code := "I",
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val := hex2str(cid)
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};
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/* osmo-bsc_mgcp implements L/C/M/X only, osmo-mgw adds 'I' */
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/* SDP: osmo-bsc_mgcp implements Tx of v,o,s,c,t,m,a */
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2017-09-17 08:24:09 +00:00
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template MgcpResponse tr_MgcpResp_Err(template MgcpResponseCode code) := {
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line := {
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code := code,
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trans_id := ?,
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string := ?
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},
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params := {},
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sdp := omit
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}
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2017-09-15 16:56:57 +00:00
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template MgcpCommandLine t_MgcpCmdLine(template charstring verb, template MgcpTransId trans_id, template charstring ep) := {
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verb := verb,
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trans_id := trans_id,
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ep := ep,
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ver := "1.0"
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};
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template MgcpCommand ts_CRCX(MgcpTransId trans_id, charstring ep, MgcpConnectionMode mode, MgcpCallId call_id, template SDP_Message sdp := omit) := {
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line := t_MgcpCmdLine("CRCX", trans_id, ep),
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params := {
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t_MgcpParConnMode(mode),
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ts_MgcpParCallId(call_id),
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//t_MgcpParReqId(omit),
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t_MgcpParLocConnOpt("p: 20")
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},
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sdp := sdp
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}
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2017-09-17 08:24:09 +00:00
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template MgcpCommand ts_MDCX(MgcpTransId trans_id, charstring ep, MgcpConnectionMode mode, MgcpCallId call_id, template SDP_Message sdp := omit) := {
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line := t_MgcpCmdLine("MDCX", trans_id, ep),
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params := {
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t_MgcpParConnMode(mode),
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ts_MgcpParCallId(call_id),
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//t_MgcpParReqId(omit),
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t_MgcpParLocConnOpt("p: 20")
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},
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sdp := sdp
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}
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template MgcpCommand ts_DLCX(MgcpTransId trans_id, charstring ep, MgcpCallId call_id) := {
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line := t_MgcpCmdLine("DLCX", trans_id, ep),
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params := {
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ts_MgcpParCallId(call_id)
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},
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sdp := omit
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}
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/* SDP Templates */
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template SDP_Origin ts_SDP_origin(charstring addr, charstring session_id,
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charstring session_version := "1",
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charstring addr_type := "IP4",
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charstring user_name := "-") := {
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user_name := user_name,
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session_id := session_id,
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session_version := session_version,
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net_type := "IN",
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addr_type := addr_type,
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addr := addr
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}
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template SDP_connection ts_SDP_connection_IP(charstring addr, charstring addr_type := "IP4",
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template integer ttl := omit,
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template integer num_of_addr := omit) :={
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net_type := "IN",
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addr_type := addr_type,
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conn_addr := {
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addr := addr,
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ttl := ttl,
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num_of_addr := num_of_addr
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}
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}
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template SDP_time ts_SDP_time(charstring beg, charstring end) := {
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time_field := {
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start_time := beg,
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stop_time := end
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},
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time_repeat := omit
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}
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template SDP_media_desc ts_SDP_media_desc(integer port_number, SDP_fmt_list fmts,
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SDP_attribute_list attributes) := {
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media_field := {
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media := "audio",
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ports := {
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port_number := port_number,
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num_of_ports := omit
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},
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transport := "ARTP/AVP",
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fmts := fmts
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},
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information := omit,
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connections := omit,
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bandwidth := omit,
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key := omit,
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attributes := attributes
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}
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template SDP_Message ts_SDP(charstring local_addr, charstring remote_addr,
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charstring session_id, charstring session_version,
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integer rtp_port, SDP_fmt_list fmts,
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SDP_attribute_list attributes) := {
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protocol_version := 0,
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origin := ts_SDP_origin(local_addr, session_id, session_version),
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session_name := "-",
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information := omit,
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uri := omit,
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emails := omit,
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phone_numbers := omit,
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connection := ts_SDP_connection_IP(remote_addr),
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bandwidth := omit,
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times := { ts_SDP_time("0","0") },
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timezone_adjustments := omit,
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key := omit,
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attributes := omit,
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media_list := { ts_SDP_media_desc(rtp_port, fmts, attributes) }
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}
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template SDP_attribute ts_SDP_rtpmap(integer fmt, charstring val) := {
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rtpmap := {
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attr_value := int2str(fmt) & " " & val
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}
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}
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template SDP_attribute ts_SDP_ptime(integer p) := {
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ptime := {
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attr_value := int2str(p)
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}
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}
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2017-09-13 21:27:17 +00:00
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testcase TC_selftest() runs on dummy_CT {
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const charstring c_auep := "AUEP 158663169 ds/e1-1/2@172.16.6.66 MGCP 1.0\r\n";
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const charstring c_mdcx3 := "MDCX 18983215 1@mgw MGCP 1.0\r\n";
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const charstring c_mdcx3_ret := "200 18983215 OK\r\n" &
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"I: 1\n" &
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"\n" &
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"v=0\r\n" &
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"o=- 1 23 IN IP4 0.0.0.0\r\n" &
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"s=-\r\n" &
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"c=IN IP4 0.0.0.0\r\n" &
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"t=0 0\r\n" &
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"m=audio 0 RTP/AVP 126\r\n" &
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"a=rtpmap:126 AMR/8000\r\n" &
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"a=ptime:20\r\n";
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const charstring c_mdcx4 := "MDCX 18983216 1@mgw MGCP 1.0\r\n" &
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"M: sendrecv\r" &
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"C: 2\r\n" &
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"I: 1\r\n" &
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"L: p:20, a:AMR, nt:IN\r\n" &
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"\n" &
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"v=0\r\n" &
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"o=- 1 23 IN IP4 0.0.0.0\r\n" &
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2017-09-14 14:42:12 +00:00
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"s=-\r\n" &
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2017-09-13 21:27:17 +00:00
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"c=IN IP4 0.0.0.0\r\n" &
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"t=0 0\r\n" &
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"m=audio 4441 RTP/AVP 99\r\n" &
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"a=rtpmap:99 AMR/8000\r\n" &
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"a=ptime:40\r\n";
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2017-09-15 16:56:57 +00:00
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const charstring c_crcx510_ret := "510 23 FAIL\r\n"
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2017-09-13 21:27:17 +00:00
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log(c_auep);
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log(dec_MgcpCommand(c_auep));
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log(c_mdcx3);
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log(dec_MgcpCommand(c_mdcx3));
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log(c_mdcx3_ret);
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log(dec_MgcpResponse(c_mdcx3_ret));
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log(c_mdcx4);
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log(dec_MgcpCommand(c_mdcx4));
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2017-09-15 16:56:57 +00:00
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log(ts_CRCX("23", "42@mgw", "sendrecv", '1234'H));
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log(enc_MgcpCommand(valueof(ts_CRCX("23", "42@mgw", "sendrecv", '1234'H))));
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log(c_crcx510_ret);
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log(dec_MgcpResponse(c_crcx510_ret));
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log(dec_MgcpMessage(c_crcx510_ret));
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}
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2017-09-17 08:24:09 +00:00
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/* CRCX test ideas:
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* - without mandatory CallId
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* - without mandatory ConnectionId
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* - with forbidden parameters (e.g. Capabilities, PackageList, ...
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* - CRCX with remote session description and without
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*
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* general ideas:
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* - packetization != 20ms
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* - invalid mode
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* x unsupported mode (517)
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* x bidirectional mode before RemoteConnDesc: 527
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* - invalid codec
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* - retransmission of same transaction
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* - unsupported LocalConnectionOptions ("b", "a", "e", "gc", "s", "r", "k", ..)
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*/
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/* build a receive template for receiving a MGCP message */
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function tr_MGCP_RecvFrom_R(template MgcpResponse resp) runs on dummy_CT return template MGCP_RecvFrom {
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var template MGCP_RecvFrom mrf := {
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connId := g_conn_id,
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remName := mp_remote_ip,
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remPort := mp_remote_udp_port,
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locName := mp_local_ip,
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locPort := mp_local_udp_port,
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msg := { response := resp }
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}
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return mrf;
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}
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/* Send a MGCP request + receive a (matching!) response */
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function mgcp_transceive_mgw(template MgcpCommand cmd, template MgcpResponse resp := ?) runs on dummy_CT return MgcpResponse {
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var MgcpMessage msg := { command := valueof(cmd) };
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resp.line.trans_id := cmd.line.trans_id;
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var template MGCP_RecvFrom mrt := tr_MGCP_RecvFrom_R(resp);
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2017-09-15 16:56:57 +00:00
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var MGCP_RecvFrom mrf;
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timer T := 5.0;
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MGCP.send(t_MGCP_Send(g_conn_id, msg));
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T.start;
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alt {
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2017-09-17 08:24:09 +00:00
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[] MGCP.receive(mrt) -> value mrf { }
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[] MGCP.receive(tr_MGCP_RecvFrom_R(?)) { setverdict(fail); }
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2017-09-15 16:56:57 +00:00
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[] MGCP.receive { repeat; }
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[] T.timeout { setverdict(fail); }
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}
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T.stop;
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2017-09-17 08:24:09 +00:00
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if (isbound(mrf) and isbound(mrf.msg) and ischosen(mrf.msg.response)) {
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return mrf.msg.response;
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} else {
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var MgcpResponse r := { line := { code := "999", trans_id := valueof(cmd.line.trans_id) } };
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return r;
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}
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}
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/* test valid CRCX without SDP */
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testcase TC_crcx() runs on dummy_CT {
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var template MgcpCommand cmd;
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var MgcpResponse resp;
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var template MgcpResponse rtmpl := {
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line := {
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code := "200",
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string := "OK"
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},
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params:= ?,
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sdp := ?
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};
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f_init();
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cmd := ts_CRCX(get_next_trans_id(), "2@mgw", "sendrecv", '1234'H);
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resp := mgcp_transceive_mgw(cmd, rtmpl);
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setverdict(pass);
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}
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/* test CRCX with unsupported mode, expect 517 */
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testcase TC_crcx_unsupp_mode() runs on dummy_CT {
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var template MgcpCommand cmd;
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var MgcpResponse resp;
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var template MgcpResponse rtmpl := tr_MgcpResp_Err("517");
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f_init();
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cmd := ts_CRCX(get_next_trans_id(), "2@mgw", "netwtest", '1234'H);
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resp := mgcp_transceive_mgw(cmd, rtmpl);
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setverdict(pass);
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}
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/* test CRCX with early bi-directional mode, expect 527 */
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testcase TC_crcx_early_bidir_mode() runs on dummy_CT {
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var template MgcpCommand cmd;
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var MgcpResponse resp;
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var template MgcpResponse rtmpl := tr_MgcpResp_Err("527");
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f_init();
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cmd := ts_CRCX(get_next_trans_id(), "2@mgw", "sendrecv", '1234'H);
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resp := mgcp_transceive_mgw(cmd, rtmpl);
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setverdict(pass);
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}
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/* test CRCX with unsupported Parameters */
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testcase TC_crcx_unsupp_param() runs on dummy_CT {
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var template MgcpCommand cmd;
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var MgcpResponse resp;
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var template MgcpResponse rtmpl := tr_MgcpResp_Err("539");
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f_init();
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cmd := ts_CRCX(get_next_trans_id(), "2@mgw", "recvonly", '1234'H);
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cmd.params := {
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t_MgcpParConnMode("recvonly"),
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ts_MgcpParCallId('1234'H),
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t_MgcpParLocConnOpt("p:20"),
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/* osmo-bsc_mgcp/mgw doesn't implement notifications */
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{ "N", "foobar" }
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}
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resp := mgcp_transceive_mgw(cmd, rtmpl);
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setverdict(pass);
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|
|
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}
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|
|
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|
/* test CRCX with missing CallId */
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testcase TC_crcx_missing_callid() runs on dummy_CT {
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var template MgcpCommand cmd;
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var MgcpResponse resp;
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var template MgcpResponse rtmpl := tr_MgcpResp_Err("400");
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f_init();
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|
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cmd := ts_CRCX(get_next_trans_id(), "2@mgw", "recvonly", '1234'H);
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cmd.params := {
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t_MgcpParConnMode("recvonly"),
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|
t_MgcpParLocConnOpt("p:20")
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}
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resp := mgcp_transceive_mgw(cmd, rtmpl);
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|
|
setverdict(pass);
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|
|
|
}
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|
|
|
|
|
|
|
/* test CRCX with missing Mode */
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|
testcase TC_crcx_missing_mode() runs on dummy_CT {
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var template MgcpCommand cmd;
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|
|
var MgcpResponse resp;
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|
|
var template MgcpResponse rtmpl := tr_MgcpResp_Err("400");
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|
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|
|
f_init();
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|
|
|
|
|
|
cmd := ts_CRCX(get_next_trans_id(), "2@mgw", "recvonly", '1234'H);
|
|
|
|
cmd.params := {
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|
|
ts_MgcpParCallId('1234'H),
|
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|
|
t_MgcpParLocConnOpt("p:20")
|
|
|
|
}
|
|
|
|
resp := mgcp_transceive_mgw(cmd, rtmpl);
|
|
|
|
setverdict(pass);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* test CRCX with unsupported packetization interval */
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|
|
|
testcase TC_crcx_unsupp_packet_intv() runs on dummy_CT {
|
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|
|
var template MgcpCommand cmd;
|
|
|
|
var MgcpResponse resp;
|
|
|
|
var template MgcpResponse rtmpl := tr_MgcpResp_Err("532");
|
|
|
|
|
|
|
|
f_init();
|
|
|
|
|
|
|
|
cmd := ts_CRCX(get_next_trans_id(), "2@mgw", "recvonly", '1234'H);
|
|
|
|
cmd.params := {
|
|
|
|
t_MgcpParConnMode("recvonly"),
|
|
|
|
ts_MgcpParCallId('1234'H),
|
|
|
|
t_MgcpParLocConnOpt("p:111")
|
|
|
|
}
|
|
|
|
resp := mgcp_transceive_mgw(cmd, rtmpl);
|
|
|
|
setverdict(pass);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* test CRCX with illegal double presence of local connection option */
|
|
|
|
testcase TC_crcx_illegal_double_lco() runs on dummy_CT {
|
|
|
|
var template MgcpCommand cmd;
|
|
|
|
var MgcpResponse resp;
|
|
|
|
var template MgcpResponse rtmpl := tr_MgcpResp_Err("524");
|
|
|
|
|
|
|
|
f_init();
|
|
|
|
|
|
|
|
cmd := ts_CRCX(get_next_trans_id(), "2@mgw", "recvonly", '1234'H);
|
|
|
|
cmd.params := {
|
|
|
|
t_MgcpParConnMode("recvonly"),
|
|
|
|
ts_MgcpParCallId('1234'H),
|
|
|
|
t_MgcpParLocConnOpt("p:20, a:AMR, p:20")
|
|
|
|
}
|
|
|
|
resp := mgcp_transceive_mgw(cmd, rtmpl);
|
|
|
|
setverdict(pass);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* test valid CRCX with valid SDP */
|
|
|
|
testcase TC_crcx_sdp() runs on dummy_CT {
|
|
|
|
var template MgcpCommand cmd;
|
|
|
|
var MgcpResponse resp;
|
|
|
|
var template MgcpResponse rtmpl := {
|
|
|
|
line := {
|
|
|
|
code := "200",
|
|
|
|
string := "OK"
|
|
|
|
},
|
|
|
|
params:= ?,
|
|
|
|
sdp := ?
|
|
|
|
};
|
|
|
|
|
|
|
|
f_init();
|
|
|
|
|
|
|
|
cmd := ts_CRCX(get_next_trans_id(), "2@mgw", "sendrecv", '1234'H);
|
|
|
|
cmd.sdp := ts_SDP("127.0.0.1", "127.0.0.2", "23", "42", 2344, { "98" },
|
|
|
|
{ valueof(ts_SDP_rtpmap(98, "AMR/8000")),
|
|
|
|
valueof(ts_SDP_ptime(20)) });
|
|
|
|
resp := mgcp_transceive_mgw(cmd, rtmpl);
|
|
|
|
setverdict(pass);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* TODO: various SDP related bits */
|
|
|
|
|
|
|
|
|
|
|
|
/* TODO: CRCX with X-Osmux */
|
|
|
|
/* TODO: double CRCX without force_realloc */
|
|
|
|
|
|
|
|
/* TODO: MDCX (various) */
|
|
|
|
|
|
|
|
/* TODO: MDCX without CRCX first */
|
|
|
|
testcase TC_mdcx_without_crcx() runs on dummy_CT {
|
|
|
|
var template MgcpCommand cmd;
|
|
|
|
var MgcpResponse resp;
|
|
|
|
var template MgcpResponse rtmpl := {
|
|
|
|
line := {
|
|
|
|
/* TODO: accept/enforce better error? */
|
|
|
|
code := "400",
|
|
|
|
string := ?
|
|
|
|
},
|
|
|
|
params:= { },
|
|
|
|
sdp := omit
|
|
|
|
};
|
|
|
|
|
|
|
|
f_init();
|
|
|
|
|
|
|
|
cmd := ts_MDCX(get_next_trans_id(), "3@mgw", "sendrecv", '31234'H);
|
|
|
|
cmd.sdp := ts_SDP("127.0.0.1", "127.0.0.2", "23", "42", 2344, { "98" },
|
|
|
|
{ valueof(ts_SDP_rtpmap(98, "AMR/8000")),
|
|
|
|
valueof(ts_SDP_ptime(20)) });
|
|
|
|
resp := mgcp_transceive_mgw(cmd, rtmpl);
|
|
|
|
setverdict(pass);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* DLCX without CRCX first */
|
|
|
|
testcase TC_dlcx_without_crcx() runs on dummy_CT {
|
|
|
|
var template MgcpCommand cmd;
|
|
|
|
var MgcpResponse resp;
|
|
|
|
var template MgcpResponse rtmpl := {
|
|
|
|
line := {
|
|
|
|
/* TODO: accept/enforce better error? */
|
|
|
|
code := "400",
|
|
|
|
string := ?
|
|
|
|
},
|
|
|
|
params:= { },
|
|
|
|
sdp := omit
|
|
|
|
};
|
|
|
|
|
|
|
|
f_init();
|
|
|
|
|
|
|
|
cmd := ts_DLCX(get_next_trans_id(), "4@mgw", '41234'H);
|
|
|
|
resp := mgcp_transceive_mgw(cmd, rtmpl);
|
|
|
|
setverdict(pass);
|
2017-09-13 21:27:17 +00:00
|
|
|
}
|
|
|
|
|
2017-09-17 08:35:27 +00:00
|
|
|
testcase TC_crcx_and_dlcx() runs on dummy_CT {
|
|
|
|
var template MgcpCommand cmd;
|
|
|
|
var MgcpResponse resp;
|
|
|
|
var template MgcpResponse rtmpl := {
|
|
|
|
line := {
|
|
|
|
code := ("200", "250"),
|
|
|
|
string := "OK"
|
|
|
|
},
|
|
|
|
params:= ?,
|
|
|
|
sdp := ?
|
|
|
|
};
|
|
|
|
|
|
|
|
f_init();
|
|
|
|
|
|
|
|
cmd := ts_CRCX(get_next_trans_id(), "5@mgw", "sendrecv", '51234'H);
|
|
|
|
resp := mgcp_transceive_mgw(cmd, rtmpl);
|
|
|
|
|
|
|
|
cmd := ts_DLCX(get_next_trans_id(), "5@mgw", '51234'H);
|
|
|
|
rtmpl.sdp := omit;
|
|
|
|
resp := mgcp_transceive_mgw(cmd, rtmpl);
|
|
|
|
|
|
|
|
setverdict(pass);
|
|
|
|
}
|
|
|
|
|
2017-09-17 08:24:09 +00:00
|
|
|
/* TODO: DLCX of valid endpoint but invalid call-id */
|
|
|
|
/* TODO: Double-DLCX (retransmission) */
|
|
|
|
/* TODO: Double-DLCX (no retransmission) */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* TODO: AUEP (various) */
|
|
|
|
/* TODO: RSIP (various) */
|
|
|
|
/* TODO: RQNT (various) */
|
|
|
|
/* TODO: EPCF (various) */
|
|
|
|
/* TODO: AUCX (various) */
|
|
|
|
/* TODO: invalid verb (various) */
|
|
|
|
|
2017-09-13 21:27:17 +00:00
|
|
|
control {
|
|
|
|
execute(TC_selftest());
|
2017-09-15 16:56:57 +00:00
|
|
|
execute(TC_crcx());
|
2017-09-17 08:24:09 +00:00
|
|
|
execute(TC_crcx_unsupp_mode());
|
|
|
|
execute(TC_crcx_early_bidir_mode());
|
|
|
|
execute(TC_crcx_unsupp_param());
|
|
|
|
execute(TC_crcx_missing_callid());
|
|
|
|
execute(TC_crcx_missing_mode());
|
|
|
|
execute(TC_crcx_unsupp_packet_intv());
|
|
|
|
execute(TC_crcx_illegal_double_lco());
|
|
|
|
execute(TC_crcx_sdp());
|
|
|
|
execute(TC_mdcx_without_crcx());
|
|
|
|
execute(TC_dlcx_without_crcx());
|
2017-09-17 08:35:27 +00:00
|
|
|
execute(TC_crcx_and_dlcx());
|
2017-09-13 21:27:17 +00:00
|
|
|
}
|
|
|
|
}
|