ipa: Ability to transport MGCP over UDP rather than IPA Mux
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@ -14,6 +14,12 @@ FileMask := LOG_ALL | TTCN_MATCHING;
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#mp_nat_port := 5000;
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#mp_nat_ip := "127.0.0.1";
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#mp_mgcp_uses_udp := true;
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#mp_callagent_ip := "127.0.0.1";
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#mp_callagent_udp_port := 2727;
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#mp_mgw_ip := "127.0.0.1";
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#mp_mgw_udp_port := 2427;
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[MAIN_CONTROLLER]
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[EXECUTE]
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@ -0,0 +1,72 @@
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module MGCP_Adapter {
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import from IPL4asp_Types all;
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import from MGCP_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 IPA_Emulation all;
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type component MGCP_Adapter_CT {
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/* MGCP Codec Port for MGCP-over-UDP */
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port MGCP_CODEC_PT MGCP_UDP;
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port IPA_MGCP_PT MGCP;
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var integer g_mgcp_conn_id := -1;
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}
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modulepar {
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charstring mp_callagent_ip := "127.0.0.1";
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PortNumber mp_callagent_udp_port := 2727;
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charstring mp_mgw_ip := "127.0.0.1";
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PortNumber mp_mgw_udp_port := 2427;
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}
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/* build a receive template for receiving a MGCP message. You
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* pass the MGCP response template in, and it will generate an
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* MGCP_RecvFrom template that can match the primitives arriving on the
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* MGCP_CodecPort */
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function tr_MGCP_RecvFrom_R(template MgcpResponse resp)
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runs on MGCP_Adapter_CT return template MGCP_RecvFrom {
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var template MGCP_RecvFrom mrf := {
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connId := g_mgcp_conn_id,
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remName := mp_mgw_ip,
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remPort := mp_mgw_udp_port,
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locName := mp_callagent_ip,
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locPort := mp_callagent_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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function main() runs on MGCP_Adapter_CT {
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var Result res;
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map(self:MGCP_UDP, system:MGCP_CODEC_PT);
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res := MGCP_CodecPort_CtrlFunct.f_IPL4_connect(MGCP_UDP, mp_mgw_ip, mp_mgw_udp_port,
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mp_callagent_ip, mp_callagent_udp_port,
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0, { udp:={} });
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g_mgcp_conn_id := res.connId;
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while (true) {
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var MgcpCommand mgcp_cmd;
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var MGCP_RecvFrom mrf;
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alt {
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/* From BSC/MGW via UDP up to MSC / Call Agent */
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[] MGCP_UDP.receive(tr_MGCP_RecvFrom_R(?)) -> value mrf {
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MGCP.send(mrf.msg.response);
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}
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/* From MSC / Call Agent down to BSC/MGW */
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[] MGCP.receive(MgcpCommand:?) -> value mgcp_cmd {
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var MgcpMessage msg := { command := mgcp_cmd };
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MGCP_UDP.send(t_MGCP_Send(g_mgcp_conn_id, msg));
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}
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}
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}
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}
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}
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@ -18,6 +18,8 @@ import from BSSMAP_Templates all;
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*/
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import from BSSMAP_Emulation all;
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import from MGCP_Adapter all;
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import from MSC_ConnectionHandler all;
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type component MSC_CT {
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@ -25,10 +27,15 @@ type component MSC_CT {
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var IPA_Emulation_CT vc_IPA;
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var SCCP_CT vc_SCCP;
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var BSSMAP_Emulation_CT vc_BSSMAP;
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var MGCP_Adapter_CT vc_MGCP_UDP;
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/* test port to SCCP emulation */
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port SCCPasp_PT SCCP;
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}
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modulepar {
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boolean mp_mgcp_uses_udp := false;
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}
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function main(charstring local_ip, PortNumber local_port,
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MSC_SCCP_MTP3_parameters sccp_pars,
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SCCP_PAR_Address sccp_addr_own, charstring id) runs on MSC_CT
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@ -46,8 +53,14 @@ function main(charstring local_ip, PortNumber local_port,
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/* connect BSSNAP dispatcher to upper side of SCCP */
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connect(vc_BSSMAP:SCCP, vc_SCCP:SCCP_SP_PORT);
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/* connect BSSMAP dispatcher to IPA_Emulation MGCP */
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connect(vc_BSSMAP:MGCP, vc_IPA:IPA_MGCP_PORT);
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if (mp_mgcp_uses_udp == false) {
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/* connect BSSMAP dispatcher to IPA_Emulation MGCP */
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connect(vc_BSSMAP:MGCP, vc_IPA:IPA_MGCP_PORT);
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} else {
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vc_MGCP_UDP := MGCP_Adapter_CT.create(id & "-MGCP_UDP");
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connect(vc_BSSMAP:MGCP, vc_MGCP_UDP:MGCP);
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vc_MGCP_UDP.start(MGCP_Adapter.main());
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}
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vc_IPA.start(IPA_Emulation.main_server(local_ip, local_port));
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vc_SCCP.start(SCCPStart(sccp_pars));
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@ -57,6 +70,9 @@ function main(charstring local_ip, PortNumber local_port,
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vc_IPA.done;
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vc_BSSMAP.done;
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vc_SCCP.done;
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if (mp_mgcp_uses_udp) {
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vc_MGCP_UDP.done;
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}
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}
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}
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@ -55,5 +55,5 @@ FILES="RTP_EncDec.cc RTP_Types.ttcn"
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gen_links $DIR $FILES
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DIR=../library
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FILES="General_Types.ttcn Osmocom_Types.ttcn IPA_Types.ttcn IPA_CodecPort.ttcn IPA_CodecPort_CtrlFunct.ttcn IPA_CodecPort_CtrlFunctDef.cc IPA_Emulation.ttcn L3_Templates.ttcn BSSMAP_Templates.ttcn BSSMAP_Emulation.ttcn MGCP_Types.ttcn MGCP_Templates.ttcn"
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FILES="General_Types.ttcn Osmocom_Types.ttcn IPA_Types.ttcn IPA_CodecPort.ttcn IPA_CodecPort_CtrlFunct.ttcn IPA_CodecPort_CtrlFunctDef.cc IPA_Emulation.ttcn L3_Templates.ttcn BSSMAP_Templates.ttcn BSSMAP_Emulation.ttcn MGCP_Types.ttcn MGCP_Templates.ttcn MGCP_CodecPort.ttcn MGCP_CodecPort_CtrlFunct.ttcn MGCP_CodecPort_CtrlFunctDef.cc"
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gen_links $DIR $FILES
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@ -2,7 +2,7 @@
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MAIN=IPA_Test.ttcn
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FILES="*.ttcn SCCP_EncDec.cc IPA_CodecPort_CtrlFunctDef.cc IPL4asp_PT.cc IPL4asp_discovery.cc TCCConversion.cc TCCInterface.cc RTP_EncDec.cc SDP_EncDec *.c"
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FILES="*.ttcn SCCP_EncDec.cc IPA_CodecPort_CtrlFunctDef.cc IPL4asp_PT.cc IPL4asp_discovery.cc TCCConversion.cc TCCInterface.cc RTP_EncDec.cc SDP_EncDec.cc *.c MGCP_CodecPort_CtrlFunctDef.cc"
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ttcn3_makefilegen -l -f $MAIN $FILES
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sed -i -e 's/# TTCN3_DIR = /TTCN3_DIR = \/usr/' Makefile
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