ipa: First version that emulates both MSC and BSC up to ASSIGNMENT REQ
This commit is contained in:
parent
365f4edbd8
commit
b3414b2172
|
@ -0,0 +1,105 @@
|
|||
module BSC_MS_ConnectionHandler {
|
||||
|
||||
import from General_Types all;
|
||||
import from Osmocom_Types all;
|
||||
import from SCCPasp_Types all;
|
||||
import from BSSAP_Types all;
|
||||
import from BSSMAP_Emulation all;
|
||||
import from BSSMAP_Templates all;
|
||||
|
||||
import from MobileL3_Types all;
|
||||
import from MobileL3_CommonIE_Types all;
|
||||
import from L3_Templates all;
|
||||
|
||||
/* this component represents a single subscriber connection at the MSC.
|
||||
* There is a 1:1 mapping between SCCP connections and BSSAP_ConnHdlr components.
|
||||
* We inherit all component variables, ports, functions, ... from BSSAP_ConnHdlr */
|
||||
type component BSC_MS_ConnHdlr extends BSSAP_ConnHdlr {
|
||||
/* SCCP Connecction Identifier for the underlying SCCP connection */
|
||||
var integer g_sccp_conn_id;
|
||||
}
|
||||
|
||||
/* Callback function from general BSSMAP_Emulation whenever a new incoming
|
||||
* SCCP connection arrivces. Must create + start a new component */
|
||||
private function CreateCallback(ASP_SCCP_N_CONNECT_ind conn_ind)
|
||||
runs on BSSMAP_Emulation_CT return BSSAP_ConnHdlr {
|
||||
log("Incoming SCCP Connection on BSC ?!?");
|
||||
self.stop;
|
||||
}
|
||||
|
||||
/* Callback function from general BSSMAP_Emulation whenever a connectionless
|
||||
* BSSMAP message arrives. Can retunr a PDU_BSSAP that should be sent in return */
|
||||
private function UnitdataCallback(PDU_BSSAP bssap)
|
||||
runs on BSSMAP_Emulation_CT return template PDU_BSSAP {
|
||||
var template PDU_BSSAP resp := omit;
|
||||
|
||||
if (match(bssap, tr_BSSMAP_Reset)) {
|
||||
resp := ts_BSSMAP_ResetAck;
|
||||
}
|
||||
|
||||
return resp;
|
||||
}
|
||||
|
||||
const BssmapOps BSC_MS_BssmapOps := {
|
||||
create_cb := refers(CreateCallback),
|
||||
unitdata_cb := refers(UnitdataCallback)
|
||||
}
|
||||
|
||||
|
||||
function f_gen_cl3(hexstring imsi) return PDU_BSSAP {
|
||||
var MobileIdentityLV mi := valueof(ts_MI_IMSI_LV(imsi));
|
||||
var PDU_ML3_MS_NW l3 := valueof(ts_CM_SERV_REQ('0001'B, mi));
|
||||
var BSSMAP_IE_CellIdentifier cell_id := valueof(ts_CellID_LAC_CI(23, 42));
|
||||
var PDU_BSSAP bssap := valueof(ts_BSSMAP_ComplL3(cell_id, enc_PDU_ML3_MS_NW(l3)));
|
||||
return bssap;
|
||||
}
|
||||
|
||||
/* main function processing various incoming events */
|
||||
function main(SCCP_PAR_Address sccp_addr_own, SCCP_PAR_Address sccp_addr_remote)
|
||||
runs on BSC_MS_ConnHdlr {
|
||||
var PDU_BSSAP bssap;
|
||||
|
||||
log("Starting main of BSC_MS_ConnHdlr");
|
||||
|
||||
/* generate and send the Complete Layer3 Info */
|
||||
bssap := f_gen_cl3('901770123456789'H);
|
||||
|
||||
var BSSAP_Conn_Req creq := {
|
||||
addr_peer := sccp_addr_remote,
|
||||
addr_own := sccp_addr_own,
|
||||
bssap := bssap
|
||||
}
|
||||
BSSAP.send(creq);
|
||||
|
||||
while (true) {
|
||||
alt {
|
||||
/* new SCCP-level connection indication from BSC */
|
||||
[] BSSAP.receive(tr_BSSMAP_AssignmentCmd) -> value bssap {
|
||||
/* TODO: Read CIC */
|
||||
/* respond with ASSIGNMENT COMPL */
|
||||
BSSAP.send(ts_BSSMAP_AssignmentComplete(bssap.pdu.bssmap.assignmentRequest.circuitIdentityCode));
|
||||
}
|
||||
/* TODO: CLEAR REQUEST from BSS */
|
||||
/* CLEAR COMMAND from MSC; respond with CLEAR COMPLETE) */
|
||||
[] BSSAP.receive(tr_BSSMAP_ClearCommand) -> value bssap {
|
||||
BSSAP.send(ts_BSSMAP_ClearComplete);
|
||||
/* FIXME: local release? */
|
||||
}
|
||||
|
||||
[] BSSAP.receive(tr_BSSAP_DTAP) -> value bssap {
|
||||
var PDU_ML3_MS_NW l3 := dec_PDU_ML3_MS_NW(bssap.pdu.dtap);
|
||||
log("Unhandled DTAP ", l3);
|
||||
}
|
||||
|
||||
[] BSSAP.receive(BSSAP_Conn_Prim:MSC_CONN_PRIM_DISC_IND) {
|
||||
self.stop;
|
||||
}
|
||||
|
||||
[] BSSAP.receive(PDU_BSSAP:?) -> value bssap {
|
||||
log("Received unhandled SCCP-CO: ", bssap);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
|
@ -0,0 +1,77 @@
|
|||
module BSC_MS_Simulation {
|
||||
|
||||
import from IPL4asp_Types all;
|
||||
|
||||
import from IPA_Emulation all;
|
||||
|
||||
import from SCCP_Types all;
|
||||
import from SCCPasp_Types all;
|
||||
import from SCCP_Emulation all;
|
||||
|
||||
import from BSSMAP_Emulation all;
|
||||
|
||||
import from BSC_MS_ConnectionHandler all;
|
||||
|
||||
type component BSC_CT {
|
||||
/* component references */
|
||||
var IPA_Emulation_CT vc_IPA;
|
||||
var SCCP_CT vc_SCCP;
|
||||
var BSSMAP_Emulation_CT vc_BSSMAP;
|
||||
/* test port to SCCP emulation */
|
||||
port SCCPasp_PT SCCP;
|
||||
|
||||
var SCCP_PAR_Address g_sccp_addr_own;
|
||||
var SCCP_PAR_Address g_sccp_addr_remote;
|
||||
}
|
||||
|
||||
function main(charstring remote_ip, PortNumber remote_port,
|
||||
charstring local_ip, PortNumber local_port,
|
||||
MSC_SCCP_MTP3_parameters sccp_pars,
|
||||
SCCP_PAR_Address sccp_addr_own,
|
||||
SCCP_PAR_Address sccp_addr_remote) runs on BSC_CT
|
||||
{
|
||||
g_sccp_addr_own := sccp_addr_own;
|
||||
g_sccp_addr_remote := sccp_addr_remote;
|
||||
|
||||
/* create components */
|
||||
vc_IPA := IPA_Emulation_CT.create;
|
||||
vc_SCCP := SCCP_CT.create;
|
||||
vc_BSSMAP := BSSMAP_Emulation_CT.create;
|
||||
|
||||
map(vc_IPA:IPA_PORT, system:IPA_CODEC_PT);
|
||||
|
||||
/* connect MTP3 service provider (IPA) to lower side of SCCP */
|
||||
connect(vc_IPA:MTP3_SP_PORT, vc_SCCP:MTP3_SCCP_PORT);
|
||||
|
||||
/* connect BSSNAP dispatcher to upper side of SCCP */
|
||||
connect(vc_BSSMAP:SCCP, vc_SCCP:SCCP_SP_PORT);
|
||||
|
||||
vc_IPA.start(IPA_Emulation.main_client(remote_ip, remote_port, local_ip, local_port));
|
||||
vc_SCCP.start(SCCPStart(sccp_pars));
|
||||
vc_BSSMAP.start(BSSMAP_Emulation.main(BSC_MS_BssmapOps));
|
||||
|
||||
while (true) {
|
||||
timer T := 5.0;
|
||||
T.start;
|
||||
T.timeout;
|
||||
f_start_BSC_MS();
|
||||
//vc_IPA.MTP3_SP_PORT.send(t_ASP_MTP3_TRANSFERreq_sccp('83'O, 1, 2, 0, '012345'O));
|
||||
}
|
||||
|
||||
vc_IPA.done;
|
||||
vc_BSSMAP.done;
|
||||
vc_SCCP.done
|
||||
}
|
||||
|
||||
function f_start_BSC_MS() runs on BSC_CT {
|
||||
var BSC_MS_ConnHdlr vc_conn;
|
||||
|
||||
/* start new component */
|
||||
vc_conn := BSC_MS_ConnHdlr.create;
|
||||
/* connect client BSSAP port to BSSAP dispatcher */
|
||||
connect(vc_conn:BSSAP, vc_BSSMAP:CLIENT);
|
||||
/* start component */
|
||||
vc_conn.start(BSC_MS_ConnectionHandler.main(g_sccp_addr_own, g_sccp_addr_remote));
|
||||
}
|
||||
|
||||
}
|
|
@ -1,48 +1,58 @@
|
|||
module IPA_Test {
|
||||
|
||||
import from Osmocom_Types all;
|
||||
|
||||
import from IPL4asp_Types all;
|
||||
|
||||
import from IPA_Emulation all;
|
||||
|
||||
import from MTP3asp_Types all;
|
||||
|
||||
import from SCCP_Types all;
|
||||
import from SCCPasp_Types all;
|
||||
import from SCCP_Emulation all;
|
||||
|
||||
import from MobileL3_Types all;
|
||||
import from MobileL3_CommonIE_Types all;
|
||||
import from L3_Templates all;
|
||||
import from MSC_Simulation all;
|
||||
import from BSC_MS_Simulation all;
|
||||
|
||||
import from BSSAP_Types all;
|
||||
import from BSSMAP_Templates all;
|
||||
const integer NUM_MSC := 1;
|
||||
const integer NUM_BSC := 1;
|
||||
|
||||
type record BscState {
|
||||
BSC_CT BSC,
|
||||
MSC_SCCP_MTP3_parameters sccp_pars,
|
||||
SCCP_PAR_Address sccp_addr_own,
|
||||
SCCP_PAR_Address sccp_addr_peer
|
||||
}
|
||||
|
||||
type record MscState {
|
||||
MSC_CT MSC,
|
||||
MSC_SCCP_MTP3_parameters sccp_pars,
|
||||
SCCP_PAR_Address sccp_addr_own
|
||||
}
|
||||
|
||||
type component test_CT {
|
||||
/* component references */
|
||||
var IPA_Emulation_CT vc_IPA;
|
||||
var SCCP_CT vc_SCCP;
|
||||
/* test port to SCCP emulation */
|
||||
port SCCPasp_PT SCCP;
|
||||
var MscState msc[NUM_MSC];
|
||||
var BscState bsc[NUM_BSC];
|
||||
|
||||
var boolean g_initialized := false;
|
||||
var octetstring g_sio;
|
||||
var MSC_SCCP_MTP3_parameters g_sccp_pars;
|
||||
var SCCP_PAR_Address g_sccp_addr_own, g_sccp_addr_peer;
|
||||
|
||||
var ConnectionId g_ipa_conn_id := -1;
|
||||
var octetstring g_sio := '83'O;
|
||||
}
|
||||
|
||||
modulepar {
|
||||
PortNumber mp_local_port := 0;
|
||||
charstring mp_local_ip := "127.0.0.1";
|
||||
PortNumber mp_remote_port := 3002;
|
||||
charstring mp_remote_ip := "127.0.0.1";
|
||||
PortNumber mp_bsc_port := 49999;
|
||||
charstring mp_bsc_ip := "127.0.0.1";
|
||||
|
||||
PortNumber mp_msc_port := 5000;
|
||||
charstring mp_msc_ip := "127.0.0.1";
|
||||
|
||||
charstring mp_sccp_service_type := "mtp3_itu";
|
||||
|
||||
integer mp_own_pc := 196;
|
||||
integer mp_own_ssn := 254;
|
||||
integer mp_bsc_pc := 196;
|
||||
integer mp_bsc_ssn := 254;
|
||||
|
||||
integer mp_peer_pc := 185; /* 0.23.1 */
|
||||
integer mp_peer_ssn := 254;
|
||||
integer mp_msc_pc := 185; /* 0.23.1 */
|
||||
integer mp_msc_ssn := 254;
|
||||
}
|
||||
|
||||
/* construct a SCCP_PAR_Address with just PC + SSN and no GT */
|
||||
|
@ -59,76 +69,62 @@ template (value) SCCP_PAR_Address ts_SccpAddr_PC_SSN(integer pc, integer ssn) :=
|
|||
globalTitle := omit
|
||||
}
|
||||
|
||||
|
||||
function f_gen_cl3() return PDU_BSSAP {
|
||||
var MobileIdentityLV mi := valueof(ts_MI_IMSI_LV('901770123456789'H));
|
||||
var PDU_ML3_MS_NW l3 := valueof(ts_CM_SERV_REQ('0001'B, mi));
|
||||
var BSSMAP_IE_CellIdentifier cell_id := valueof(ts_CellID_LAC_CI(23, 42));
|
||||
var PDU_BSSAP bssap := valueof(ts_BSSMAP_ComplL3(cell_id, enc_PDU_ML3_MS_NW(l3)));
|
||||
return bssap;
|
||||
template MTP3_Field_sio ts_sio(octetstring sio_in) := {
|
||||
ni := substr(oct2bit(sio_in),0,2),
|
||||
prio := substr(oct2bit(sio_in),2,2),
|
||||
si := substr(oct2bit(sio_in),4,4)
|
||||
}
|
||||
|
||||
function f_send_bssap_cc(PDU_BSSAP bssap) runs on test_CT {
|
||||
var ASP_SCCP_N_CONNECT_req prim;
|
||||
prim := valueof(t_ASP_N_CONNECT_req(g_sccp_addr_peer, g_sccp_addr_own, omit, omit,
|
||||
enc_PDU_BSSAP(bssap), 23, omit));
|
||||
SCCP.send(prim);
|
||||
template MSC_SCCP_MTP3_parameters ts_SCCP_Pars(octetstring sio, integer opc, integer dpc,
|
||||
integer local_ssn) := {
|
||||
sio := ts_sio(sio),
|
||||
opc := opc,
|
||||
dpc := dpc,
|
||||
sls := 0,
|
||||
sccp_serviceType := mp_sccp_service_type,
|
||||
ssn := local_ssn
|
||||
};
|
||||
|
||||
function f_init_BscState(inout BscState bsc_st, integer opc, integer dpc, integer local_ssn, integer remote_ssn)
|
||||
runs on test_CT {
|
||||
bsc_st.sccp_pars := valueof(ts_SCCP_Pars(g_sio, opc, dpc, local_ssn));
|
||||
bsc_st.sccp_addr_own := valueof(ts_SccpAddr_PC_SSN(opc, local_ssn));
|
||||
bsc_st.sccp_addr_peer := valueof(ts_SccpAddr_PC_SSN(dpc, remote_ssn));
|
||||
}
|
||||
|
||||
function init_pars() runs on test_CT {
|
||||
g_sio := '83'O;
|
||||
g_sccp_pars := {
|
||||
sio := {
|
||||
ni := substr(oct2bit(g_sio),0,2),
|
||||
prio := substr(oct2bit(g_sio),2,2),
|
||||
si := substr(oct2bit(g_sio),4,4)
|
||||
},
|
||||
opc := mp_own_pc,
|
||||
dpc := mp_peer_pc,
|
||||
sls := 0,
|
||||
sccp_serviceType := mp_sccp_service_type,
|
||||
ssn := mp_own_ssn
|
||||
};
|
||||
g_sccp_addr_own := valueof(ts_SccpAddr_PC_SSN(mp_own_pc, mp_own_ssn));
|
||||
g_sccp_addr_peer := valueof(ts_SccpAddr_PC_SSN(mp_peer_pc, mp_peer_ssn));
|
||||
function f_init_MscState(inout MscState msc_st, integer opc, integer dpc, integer local_ssn, integer remote_ssn)
|
||||
runs on test_CT {
|
||||
msc_st.sccp_pars := valueof(ts_SCCP_Pars(g_sio, opc, dpc, local_ssn));
|
||||
msc_st.sccp_addr_own := valueof(ts_SccpAddr_PC_SSN(opc, local_ssn));
|
||||
}
|
||||
|
||||
private function f_init() runs on test_CT {
|
||||
var Result res;
|
||||
function f_init() runs on test_CT {
|
||||
var integer i;
|
||||
|
||||
if (g_initialized == true) {
|
||||
return;
|
||||
for (i := 0; i < NUM_MSC; i := i+1) {
|
||||
f_init_MscState(msc[i], mp_msc_pc +i, mp_bsc_pc, mp_msc_ssn, mp_bsc_ssn);
|
||||
msc[i].MSC := MSC_CT.create;
|
||||
msc[i].MSC.start(MSC_Simulation.main(mp_msc_ip, mp_msc_port + i, msc[i].sccp_pars, msc[i].sccp_addr_own));
|
||||
}
|
||||
g_initialized := true;
|
||||
|
||||
init_pars();
|
||||
for (i := 0; i < NUM_BSC; i := i+1) {
|
||||
f_init_BscState(bsc[i], mp_bsc_pc +i, mp_msc_pc, mp_bsc_ssn, mp_msc_ssn);
|
||||
bsc[i].BSC := BSC_CT.create;
|
||||
bsc[i].BSC.start(BSC_MS_Simulation.main(mp_msc_ip, mp_msc_port, mp_bsc_ip, mp_bsc_port+i,
|
||||
bsc[i].sccp_pars, bsc[i].sccp_addr_own,
|
||||
bsc[i].sccp_addr_peer));
|
||||
}
|
||||
|
||||
/* create components */
|
||||
vc_IPA := IPA_Emulation_CT.create;
|
||||
vc_SCCP := SCCP_CT.create;
|
||||
|
||||
map(vc_IPA:IPA_PORT, system:IPA_CODEC_PT);
|
||||
|
||||
/* connect MTP3 service provider (IPA) to lower side of SCCP */
|
||||
connect(vc_IPA:MTP3_SP_PORT, vc_SCCP:MTP3_SCCP_PORT);
|
||||
|
||||
/* connect us to upper side of SCCP */
|
||||
connect(self:SCCP, vc_SCCP:SCCP_SP_PORT);
|
||||
|
||||
vc_IPA.start(IPA_Emulation.ScanEvents());
|
||||
vc_SCCP.start(SCCPStart(g_sccp_pars));
|
||||
|
||||
//IPA_Emulation.f_connect(mp_remote_ip, mp_remote_port, mp_local_ip, mp_local_port);
|
||||
}
|
||||
|
||||
testcase TC_recv_dump() runs on test_CT {
|
||||
f_init();
|
||||
|
||||
var PDU_BSSAP bssap := f_gen_cl3();
|
||||
f_send_bssap_cc(bssap);
|
||||
//var PDU_BSSAP bssap := f_gen_cl3();
|
||||
//f_send_bssap_cc(bssap);
|
||||
|
||||
while (true) {
|
||||
SCCP.receive;
|
||||
//SCCP.receive;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
@ -52,7 +52,7 @@ const BssmapOps MSC_BssmapOps := {
|
|||
/* main function processing various incoming events */
|
||||
function main(integer connection_id, integer timeslot) runs on MSC_ConnHdlr {
|
||||
g_sccp_conn_id := connection_id;
|
||||
g_e1_timeslot := timeslot
|
||||
g_e1_timeslot := 1; /* FIXME */
|
||||
|
||||
while (true) {
|
||||
var PDU_BSSAP bssap;
|
||||
|
|
|
@ -0,0 +1,59 @@
|
|||
module MSC_Simulation {
|
||||
|
||||
import from IPL4asp_Types all;
|
||||
|
||||
import from IPA_Emulation all;
|
||||
|
||||
import from SCCP_Types all;
|
||||
import from SCCPasp_Types all;
|
||||
import from SCCP_Emulation all;
|
||||
|
||||
/*
|
||||
import from MobileL3_Types all;
|
||||
import from MobileL3_CommonIE_Types all;
|
||||
import from L3_Templates all;
|
||||
|
||||
import from BSSAP_Types all;
|
||||
import from BSSMAP_Templates all;
|
||||
*/
|
||||
import from BSSMAP_Emulation all;
|
||||
|
||||
import from MSC_ConnectionHandler all;
|
||||
|
||||
type component MSC_CT {
|
||||
/* component references */
|
||||
var IPA_Emulation_CT vc_IPA;
|
||||
var SCCP_CT vc_SCCP;
|
||||
var BSSMAP_Emulation_CT vc_BSSMAP;
|
||||
/* test port to SCCP emulation */
|
||||
port SCCPasp_PT SCCP;
|
||||
}
|
||||
|
||||
function main(charstring local_ip, PortNumber local_port,
|
||||
MSC_SCCP_MTP3_parameters sccp_pars,
|
||||
SCCP_PAR_Address sccp_addr_own) runs on MSC_CT
|
||||
{
|
||||
/* create components */
|
||||
vc_IPA := IPA_Emulation_CT.create;
|
||||
vc_SCCP := SCCP_CT.create;
|
||||
vc_BSSMAP := BSSMAP_Emulation_CT.create;
|
||||
|
||||
map(vc_IPA:IPA_PORT, system:IPA_CODEC_PT);
|
||||
|
||||
/* connect MTP3 service provider (IPA) to lower side of SCCP */
|
||||
connect(vc_IPA:MTP3_SP_PORT, vc_SCCP:MTP3_SCCP_PORT);
|
||||
|
||||
/* connect BSSNAP dispatcher to upper side of SCCP */
|
||||
connect(vc_BSSMAP:SCCP, vc_SCCP:SCCP_SP_PORT);
|
||||
|
||||
vc_IPA.start(IPA_Emulation.main_server(local_ip, local_port));
|
||||
vc_SCCP.start(SCCPStart(sccp_pars));
|
||||
vc_BSSMAP.start(BSSMAP_Emulation.main(MSC_BssmapOps));
|
||||
|
||||
/* wait until termination of respective components */
|
||||
vc_IPA.done;
|
||||
vc_BSSMAP.done;
|
||||
vc_SCCP.done;
|
||||
}
|
||||
|
||||
}
|
|
@ -47,5 +47,5 @@ gen_links $DIR $FILES
|
|||
|
||||
|
||||
DIR=../library
|
||||
FILES="General_Types.ttcn Osmocom_Types.ttcn IPA_Types.ttcn IPA_CodecPort.ttcn IPA_CodecPort_CtrlFunct.ttcn IPA_CodecPort_CtrlFunctDef.cc L3_Templates.ttcn BSSMAP_Templates.ttcn"
|
||||
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"
|
||||
gen_links $DIR $FILES
|
||||
|
|
|
@ -1,5 +1,6 @@
|
|||
module BSSMAP_Emulation {
|
||||
|
||||
import from SCCP_Emulation all;
|
||||
import from SCCPasp_Types all;
|
||||
import from BSSAP_Types all;
|
||||
import from BSSMAP_Templates all;
|
||||
|
@ -20,10 +21,15 @@ type enumerated BSSAP_Conn_Prim {
|
|||
MSC_CONN_PRIM_DISC_REQ
|
||||
}
|
||||
|
||||
type record BSSAP_Conn_Req {
|
||||
SCCP_PAR_Address addr_peer,
|
||||
SCCP_PAR_Address addr_own,
|
||||
PDU_BSSAP bssap
|
||||
}
|
||||
|
||||
/* port between individual per-connection components and this dispatcher */
|
||||
type port BSSAP_Conn_PT message {
|
||||
inout PDU_BSSAP;
|
||||
inout BSSAP_Conn_Prim;
|
||||
inout PDU_BSSAP, BSSAP_Conn_Prim, BSSAP_Conn_Req;
|
||||
} with { extension "internal" };
|
||||
|
||||
|
||||
|
@ -44,6 +50,27 @@ type component BSSMAP_Emulation_CT {
|
|||
var ConnectionData ConnectionTable[16];
|
||||
};
|
||||
|
||||
private function f_conn_id_known(integer sccp_conn_id)
|
||||
runs on BSSMAP_Emulation_CT return boolean {
|
||||
var integer i;
|
||||
for (i := 0; i < sizeof(ConnectionTable); i := i+1) {
|
||||
if (ConnectionTable[i].sccp_conn_id == sccp_conn_id){
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
private function f_comp_known(BSSAP_ConnHdlr client)
|
||||
runs on BSSMAP_Emulation_CT return boolean {
|
||||
var integer i;
|
||||
for (i := 0; i < sizeof(ConnectionTable); i := i+1) {
|
||||
if (ConnectionTable[i].comp_ref == client) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/* resolve component reference by connection ID */
|
||||
private function f_comp_by_conn_id(integer sccp_conn_id)
|
||||
|
@ -70,6 +97,17 @@ runs on BSSMAP_Emulation_CT return integer {
|
|||
self.stop;
|
||||
}
|
||||
|
||||
private function f_gen_conn_id()
|
||||
runs on BSSMAP_Emulation_CT return integer {
|
||||
var integer conn_id;
|
||||
|
||||
do {
|
||||
conn_id := float2int(rnd()*SCCP_Emulation.tsp_max_ConnectionId);
|
||||
} while (f_conn_id_known(conn_id) == true);
|
||||
|
||||
return conn_id;
|
||||
}
|
||||
|
||||
private function f_conn_table_init()
|
||||
runs on BSSMAP_Emulation_CT {
|
||||
for (var integer i := 0; i < sizeof(ConnectionTable); i := i+1) {
|
||||
|
@ -84,6 +122,7 @@ runs on BSSMAP_Emulation_CT {
|
|||
if (ConnectionTable[i].sccp_conn_id == -1) {
|
||||
ConnectionTable[i].comp_ref := comp_ref;
|
||||
ConnectionTable[i].sccp_conn_id := sccp_conn_id;
|
||||
log("Added conn table entry ", i, comp_ref, sccp_conn_id);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
@ -95,6 +134,8 @@ private function f_conn_table_del(integer sccp_conn_id)
|
|||
runs on BSSMAP_Emulation_CT {
|
||||
for (var integer i := 0; i < sizeof(ConnectionTable); i := i+1) {
|
||||
if (ConnectionTable[i].sccp_conn_id == sccp_conn_id) {
|
||||
log("Deleted conn table entry ", i,
|
||||
ConnectionTable[i].comp_ref, sccp_conn_id);
|
||||
ConnectionTable[i].sccp_conn_id := -1;
|
||||
ConnectionTable[i].comp_ref := null;
|
||||
}
|
||||
|
@ -135,8 +176,10 @@ function main(BssmapOps ops) runs on BSSMAP_Emulation_CT {
|
|||
while (true) {
|
||||
var ASP_SCCP_N_UNITDATA_ind ud_ind;
|
||||
var ASP_SCCP_N_CONNECT_ind conn_ind;
|
||||
var ASP_SCCP_N_CONNECT_cfm conn_cfm;
|
||||
var ASP_SCCP_N_DATA_ind data_ind;
|
||||
var ASP_SCCP_N_DISCONNECT_ind disc_ind;
|
||||
var BSSAP_Conn_Req creq;
|
||||
var BSSAP_ConnHdlr vc_conn;
|
||||
var PDU_BSSAP bssap;
|
||||
|
||||
|
@ -183,6 +226,12 @@ function main(BssmapOps ops) runs on BSSMAP_Emulation_CT {
|
|||
/* TOOD: return confirm to other side? */
|
||||
}
|
||||
|
||||
/* SCCP -> Client: connection confirm for outbound connection */
|
||||
[] SCCP.receive(ASP_SCCP_N_CONNECT_cfm:?) -> value conn_cfm {
|
||||
/* handle user payload */
|
||||
f_handle_userData(vc_conn, conn_cfm.userData);
|
||||
}
|
||||
|
||||
/* Disconnect request client -> SCCP */
|
||||
[] CLIENT.receive(BSSAP_Conn_Prim:MSC_CONN_PRIM_DISC_REQ) -> sender vc_conn {
|
||||
var integer conn_id := f_conn_id_by_comp(vc_conn);
|
||||
|
@ -191,9 +240,31 @@ function main(BssmapOps ops) runs on BSSMAP_Emulation_CT {
|
|||
}
|
||||
|
||||
/* BSSAP from client -> SCCP */
|
||||
[] CLIENT.receive(BSSAP_Conn_Req:?) -> value creq sender vc_conn {
|
||||
var integer conn_id;
|
||||
/* encode + send to dispatcher */
|
||||
var octetstring userdata := enc_PDU_BSSAP(creq.bssap);
|
||||
|
||||
if (f_comp_known(vc_conn) == false) {
|
||||
/* unknown client, create new connection */
|
||||
conn_id := f_gen_conn_id();
|
||||
|
||||
/* store mapping between client components and SCCP connectionId */
|
||||
f_conn_table_add(vc_conn, conn_id);
|
||||
|
||||
SCCP.send(t_ASP_N_CONNECT_req(creq.addr_peer, creq.addr_own, omit, omit,
|
||||
userdata, conn_id, omit));
|
||||
} else {
|
||||
/* known client, send via existing connection */
|
||||
conn_id := f_conn_id_by_comp(vc_conn);
|
||||
SCCP.send(t_ASP_N_DATA_req(userdata, conn_id, omit));
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
[] CLIENT.receive(PDU_BSSAP:?) -> value bssap sender vc_conn {
|
||||
var integer conn_id := f_conn_id_by_comp(vc_conn);
|
||||
/* encode + send to dispatcher */
|
||||
/* encode + send it to dispatcher */
|
||||
var octetstring userdata := enc_PDU_BSSAP(bssap);
|
||||
SCCP.send(t_ASP_N_DATA_req(userdata, conn_id, omit));
|
||||
}
|
||||
|
|
|
@ -11,7 +11,9 @@ template PDU_BSSAP ts_BSSAP_BSSMAP := {
|
|||
spare := '0000000'B,
|
||||
dlci := omit,
|
||||
lengthIndicator := 0, /* overwritten by codec */
|
||||
pdu := ?
|
||||
pdu := {
|
||||
bssmap := ?
|
||||
}
|
||||
}
|
||||
|
||||
template PDU_BSSAP tr_BSSAP_BSSMAP := {
|
||||
|
@ -24,6 +26,27 @@ template PDU_BSSAP tr_BSSAP_BSSMAP := {
|
|||
}
|
||||
}
|
||||
|
||||
template PDU_BSSAP ts_BSSAP_DTAP := {
|
||||
discriminator := '1'B,
|
||||
spare := '0000000'B,
|
||||
dlci := omit,
|
||||
lengthIndicator := 0, /* overwritten by codec */
|
||||
pdu := {
|
||||
dtap := ?
|
||||
}
|
||||
}
|
||||
|
||||
template PDU_BSSAP tr_BSSAP_DTAP := {
|
||||
discriminator := '1'B,
|
||||
spare := '0000000'B,
|
||||
dlci := omit,
|
||||
lengthIndicator := ?,
|
||||
pdu := {
|
||||
dtap := ?
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
template (value) BSSMAP_IE_Cause ts_BSSMAP_IE_Cause(BssmapCause val) := {
|
||||
elementIdentifier := '04'O,
|
||||
lengthIndicator := 0,
|
||||
|
@ -238,4 +261,119 @@ modifies ts_BSSAP_BSSMAP := {
|
|||
}
|
||||
}
|
||||
|
||||
template PDU_BSSAP tr_BSSMAP_AssignmentCmd modifies tr_BSSAP_BSSMAP := {
|
||||
pdu := {
|
||||
bssmap := {
|
||||
assignmentRequest := {
|
||||
messageType :='01'O, /* overwritten */
|
||||
channelType := ?,
|
||||
layer3HeaderInfo := *,
|
||||
priority := *,
|
||||
circuitIdentityCode := ?,
|
||||
downLinkDTX_Flag := *,
|
||||
interferenceBandToBeUsed := *,
|
||||
classmarkInformationType2 := *,
|
||||
groupCallReference := *,
|
||||
talkerFlag := *,
|
||||
configurationEvolutionIndication := *,
|
||||
lsaAccesControlSuppression := *,
|
||||
serviceHandover := *,
|
||||
encryptionInformation := *,
|
||||
talkerPriority := *,
|
||||
aoIPTransportLayer := *,
|
||||
codecList := *,
|
||||
callIdentifier := *,
|
||||
kC128 := *,
|
||||
globalCallReference := *,
|
||||
lCLS_Configuration := *,
|
||||
lCLS_ConnectionStatusControl := *,
|
||||
lCLS_CorrelationNotNeeded := *
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
template (value) PDU_BSSAP ts_BSSMAP_AssignmentComplete(BSSMAP_IE_CircuitIdentityCode cic)
|
||||
modifies ts_BSSAP_BSSMAP := {
|
||||
pdu := {
|
||||
bssmap := {
|
||||
assignmentComplete := {
|
||||
messageType :='02'O, /* overwritten */
|
||||
circuitIdentityCode := cic,
|
||||
cellIdentifier := omit,
|
||||
chosenChannel := omit,
|
||||
chosenEncryptionAlgorithm := omit,
|
||||
circuitPool := omit,
|
||||
speechVersion := omit,
|
||||
lSAIdentifier := omit,
|
||||
talkerPriority := omit,
|
||||
aoIPTransportLayer := omit,
|
||||
speechCodec := omit,
|
||||
codecList := omit,
|
||||
lCLS_BSS_Status := omit
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
template PDU_BSSAP tr_BSSMAP_AssignmentComplete modifies tr_BSSAP_BSSMAP := {
|
||||
pdu := {
|
||||
bssmap := {
|
||||
assignmentComplete := {
|
||||
messageType := '02'O, /* overwritten */
|
||||
circuitIdentityCode := ?,
|
||||
cellIdentifier := *,
|
||||
chosenChannel := *,
|
||||
chosenEncryptionAlgorithm := *,
|
||||
circuitPool := *,
|
||||
speechVersion := *,
|
||||
lSAIdentifier := *,
|
||||
talkerPriority := *,
|
||||
aoIPTransportLayer := *,
|
||||
speechCodec := *,
|
||||
codecList := *,
|
||||
lCLS_BSS_Status := *
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
template (value) PDU_BSSAP ts_BSSMAP_ClearCommand(BssmapCause cause)
|
||||
modifies ts_BSSAP_BSSMAP := {
|
||||
pdu := {
|
||||
bssmap := {
|
||||
clearCommand := {
|
||||
messageType := '20'O, /* overwritten */
|
||||
layer3HeaderInfo := omit,
|
||||
cause := ts_BSSMAP_IE_Cause(cause),
|
||||
cSFB_Indication := omit
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
template PDU_BSSAP tr_BSSMAP_ClearCommand modifies tr_BSSAP_BSSMAP := {
|
||||
pdu := {
|
||||
bssmap := {
|
||||
clearCommand := {
|
||||
messageType := '20'O, /* overwritten */
|
||||
layer3HeaderInfo := *,
|
||||
cause := ?,
|
||||
cSFB_Indication := *
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
template (value) PDU_BSSAP ts_BSSMAP_ClearComplete
|
||||
modifies ts_BSSAP_BSSMAP := {
|
||||
pdu := {
|
||||
bssmap := {
|
||||
clearComplete := {
|
||||
messageType := '21'O /* overwritten */
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
@ -12,6 +12,11 @@ modulepar {
|
|||
}
|
||||
*/
|
||||
|
||||
type enumerated IpaMode {
|
||||
IPA_MODE_CLIENT,
|
||||
IPA_MODE_SERVER
|
||||
}
|
||||
|
||||
type record ASP_IPA_Unitdata {
|
||||
IpaStreamId streamId,
|
||||
octetstring payload
|
||||
|
@ -31,6 +36,8 @@ type component IPA_Emulation_CT {
|
|||
|
||||
var boolean g_initialized := false;
|
||||
var ConnectionId g_ipa_conn_id := -1;
|
||||
|
||||
var IpaMode g_mode;
|
||||
}
|
||||
|
||||
function f_connect(charstring remote_host, PortNumber remote_port,
|
||||
|
@ -41,6 +48,13 @@ function f_connect(charstring remote_host, PortNumber remote_port,
|
|||
g_ipa_conn_id := res.connId;
|
||||
}
|
||||
|
||||
function f_bind(charstring local_host, PortNumber local_port) runs on IPA_Emulation_CT {
|
||||
var Result res;
|
||||
res := IPA_CodecPort_CtrlFunct.f_IPL4_listen(IPA_PORT,
|
||||
local_host, local_port, { tcp:={} });
|
||||
g_ipa_conn_id := res.connId;
|
||||
}
|
||||
|
||||
template ASP_MTP3_TRANSFERind ts_MTP3_XFER_ind(integer opc, octetstring data) := {
|
||||
sio := { '10'B, '00'B, '0011'B },
|
||||
opc := opc,
|
||||
|
@ -107,6 +121,15 @@ template PDU_IPA_CCM ts_IPA_ACK := {
|
|||
u := omit
|
||||
}
|
||||
|
||||
template PDU_IPA_CCM ts_IPA_ID_GET := {
|
||||
msg_type := IPAC_MSGT_ID_GET,
|
||||
u := {
|
||||
get := {
|
||||
{ 1, IPAC_IDTAG_UNITNAME }
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* receive IPA CCM message */
|
||||
private function f_ccm_rx(PDU_IPA_CCM ccm) runs on IPA_Emulation_CT {
|
||||
select (ccm.msg_type) {
|
||||
|
@ -142,12 +165,24 @@ private function f_from_asp(ConnectionId connId, ASP_IPA_Unitdata ipa_tx) return
|
|||
return ret;
|
||||
}
|
||||
|
||||
function ScanEvents() runs on IPA_Emulation_CT {
|
||||
function main_client(charstring remote_host, PortNumber remote_port,
|
||||
charstring local_host, PortNumber local_port) runs on IPA_Emulation_CT {
|
||||
g_mode := IPA_MODE_CLIENT;
|
||||
f_connect(remote_host, remote_port, local_host, local_port);
|
||||
ScanEvents();
|
||||
}
|
||||
|
||||
function main_server(charstring local_host, PortNumber local_port) runs on IPA_Emulation_CT {
|
||||
g_mode := IPA_MODE_SERVER;
|
||||
f_bind(local_host, local_port);
|
||||
ScanEvents();
|
||||
}
|
||||
|
||||
private function ScanEvents() runs on IPA_Emulation_CT {
|
||||
var IPA_RecvFrom ipa_rx;
|
||||
var ASP_IPA_Unitdata ipa_ud;
|
||||
var ASP_MTP3_TRANSFERreq mtp_req;
|
||||
|
||||
f_connect("127.0.0.1", 5000, "127.0.0.1", 49999);
|
||||
var ASP_Event asp_evt;
|
||||
|
||||
while (true) {
|
||||
alt {
|
||||
|
@ -170,6 +205,21 @@ function ScanEvents() runs on IPA_Emulation_CT {
|
|||
}
|
||||
}
|
||||
|
||||
/* server only */
|
||||
[] IPA_PORT.receive(ASP_Event:{connOpened:=?}) -> value asp_evt {
|
||||
log("IPA: Connected");
|
||||
g_ipa_conn_id := asp_evt.connOpened.connId;
|
||||
if (g_mode == IPA_MODE_SERVER) {
|
||||
f_ccm_tx(valueof(ts_IPA_ID_GET));
|
||||
}
|
||||
}
|
||||
|
||||
[] IPA_PORT.receive(ASP_Event:{connClosed:=?}) -> value asp_evt {
|
||||
log("IPA: Closed");
|
||||
g_ipa_conn_id := -1;
|
||||
self.stop;
|
||||
}
|
||||
|
||||
/* Received SCCP -> down into IPA */
|
||||
[] MTP3_SP_PORT.receive(ASP_MTP3_TRANSFERreq: ?) -> value mtp_req {
|
||||
var IPA_Send ipa_tx := {
|
||||
|
|
Loading…
Reference in New Issue