Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 1 | module BSC_MS_Simulation { |
| 2 | |
Harald Welte | 34b5a95 | 2019-05-27 11:54:11 +0200 | [diff] [blame] | 3 | /* (C) 2017-2018 Harald Welte <laforge@gnumonks.org> |
| 4 | * (C) 2018 sysmocom - s.f.m.c. Gmbh; Author: Daniel Willmann |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Released under the terms of GNU General Public License, Version 2 or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 11 | */ |
| 12 | |
Pau Espin Pedrol | 298fa91 | 2019-06-13 17:12:12 +0200 | [diff] [blame] | 13 | import from Osmocom_Types all; |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 14 | import from IPL4asp_Types all; |
| 15 | |
| 16 | import from IPA_Emulation all; |
| 17 | |
Pau Espin Pedrol | 8ab9a79 | 2019-06-10 21:02:03 +0200 | [diff] [blame] | 18 | import from Osmocom_CTRL_Functions all; |
| 19 | import from Osmocom_CTRL_Types all; |
| 20 | |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 21 | import from SCCP_Types all; |
| 22 | import from SCCPasp_Types all; |
| 23 | import from SCCP_Emulation all; |
| 24 | |
Harald Welte | 004f5fb | 2017-12-16 17:54:40 +0100 | [diff] [blame] | 25 | import from BSSAP_CodecPort all; |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 26 | import from RAN_Emulation all; |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 27 | |
| 28 | import from BSC_MS_ConnectionHandler all; |
| 29 | |
Pau Espin Pedrol | a839604 | 2019-06-10 19:21:52 +0200 | [diff] [blame] | 30 | type function void_fn_bsc(charstring id) runs on BSC_CT; |
| 31 | type record of BSC_MS_ConnHdlr BSC_MS_ConnHdlrList; |
| 32 | |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 33 | type component BSC_CT { |
| 34 | /* component references */ |
| 35 | var IPA_Emulation_CT vc_IPA; |
| 36 | var SCCP_CT vc_SCCP; |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 37 | var RAN_Emulation_CT vc_BSSMAP; |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 38 | /* test port to SCCP emulation */ |
| 39 | port SCCPasp_PT SCCP; |
Pau Espin Pedrol | 8ab9a79 | 2019-06-10 21:02:03 +0200 | [diff] [blame] | 40 | /* test port to SCCPLite CTRL over IPA emulation */ |
| 41 | port IPA_CTRL_PT SCCPLITE_IPA_CTRL; |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 42 | |
Pau Espin Pedrol | 8d85ba4 | 2019-06-10 16:36:30 +0200 | [diff] [blame] | 43 | var BSC_MS_TestHdlrParams g_pars; |
Harald Welte | be620f6 | 2017-11-25 00:23:54 +0100 | [diff] [blame] | 44 | |
| 45 | var charstring g_bsc_num_str; |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 46 | } |
| 47 | |
Harald Welte | 2fb0479 | 2017-11-25 01:14:35 +0100 | [diff] [blame] | 48 | modulepar { |
| 49 | integer mp_num_iterations := 10; |
| 50 | } |
| 51 | |
Pau Espin Pedrol | 8d85ba4 | 2019-06-10 16:36:30 +0200 | [diff] [blame] | 52 | /* helper function to create and connect a BSC_MS_ConnHdlr component */ |
| 53 | private function f_connect_handler(inout BSC_MS_ConnHdlr vc_conn) runs on BSC_CT { |
| 54 | /* connect client BSSAP port to BSSAP dispatcher */ |
| 55 | connect(vc_conn:BSSAP, vc_BSSMAP:CLIENT); |
| 56 | } |
| 57 | |
| 58 | private function f_start_handler(void_fn_bsc_ms fn, charstring id, template (omit) BSC_MS_TestHdlrParams pars := omit) |
| 59 | runs on BSC_CT return BSC_MS_ConnHdlr { |
| 60 | var BSC_MS_ConnHdlr vc_conn; |
| 61 | vc_conn := BSC_MS_ConnHdlr.create(id); |
| 62 | f_connect_handler(vc_conn); |
| 63 | vc_conn.start(f_handler_init(fn, id, pars)); |
| 64 | return vc_conn; |
| 65 | } |
| 66 | |
| 67 | /* first function inside ConnHdlr component; sets g_pars + starts function */ |
| 68 | private function f_handler_init(void_fn_bsc_ms fn, charstring id, template (omit) BSC_MS_TestHdlrParams pars := omit) |
| 69 | runs on BSC_MS_ConnHdlr { |
| 70 | if (isvalue(pars)) { |
| 71 | g_pars := valueof(pars); |
| 72 | } |
| 73 | fn.apply(id); |
| 74 | } |
| 75 | |
Pau Espin Pedrol | a839604 | 2019-06-10 19:21:52 +0200 | [diff] [blame] | 76 | function bsc_do_nothing(charstring id) |
| 77 | runs on BSC_CT { |
| 78 | } |
| 79 | |
Pau Espin Pedrol | 8ab9a79 | 2019-06-10 21:02:03 +0200 | [diff] [blame] | 80 | /* Submit a location-state TRAP BSC->BSC-NAT */ |
| 81 | function bsc_ctrl_location(charstring id) |
| 82 | runs on BSC_CT { |
| 83 | log("Starting main of BSC_CT"); |
| 84 | f_ctrl_trap(SCCPLITE_IPA_CTRL, "bts.0.location-state", |
| 85 | "1234567,fix3d,0.340000,0.560000,0.780000,operational,unlocked,on,001,01"); |
| 86 | f_ctrl_exp_set(SCCPLITE_IPA_CTRL, "rf_locked", "1", "1"); |
Pau Espin Pedrol | 298fa91 | 2019-06-13 17:12:12 +0200 | [diff] [blame] | 87 | /* Leave some time for SET_REPLY to reach the other side before closing |
| 88 | conn towards BSC-NAT, otherwise TCP FIN is sent before SET_REPLY and |
| 89 | bsc-nat sends a CTRL ERR to whoever sent the SET cmd. */ |
| 90 | f_sleep(1.0); |
Pau Espin Pedrol | 8ab9a79 | 2019-06-10 21:02:03 +0200 | [diff] [blame] | 91 | } |
| 92 | |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 93 | function main(charstring remote_ip, PortNumber remote_port, |
| 94 | charstring local_ip, PortNumber local_port, |
| 95 | MSC_SCCP_MTP3_parameters sccp_pars, |
Pau Espin Pedrol | 8d85ba4 | 2019-06-10 16:36:30 +0200 | [diff] [blame] | 96 | BSC_MS_TestHdlrParams pars, |
Pau Espin Pedrol | a839604 | 2019-06-10 19:21:52 +0200 | [diff] [blame] | 97 | void_fn_bsc_ms fn_bsc_ms, void_fn_bsc fn_bsc, charstring id) runs on BSC_CT |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 98 | { |
Harald Welte | be620f6 | 2017-11-25 00:23:54 +0100 | [diff] [blame] | 99 | var integer i := 0; |
Pau Espin Pedrol | 8ab9a79 | 2019-06-10 21:02:03 +0200 | [diff] [blame] | 100 | timer T := 2.0; |
Daniel Willmann | 909523e | 2018-10-25 17:21:24 +0200 | [diff] [blame] | 101 | var IPA_CCM_Parameters ccm_pars := IPA_Emulation.c_IPA_default_ccm_pars; |
| 102 | ccm_pars.name := id; |
Pau Espin Pedrol | 8d85ba4 | 2019-06-10 16:36:30 +0200 | [diff] [blame] | 103 | g_pars := pars; |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 104 | |
Harald Welte | 2fb0479 | 2017-11-25 01:14:35 +0100 | [diff] [blame] | 105 | /* create components for IPA/SCCP/BSS[M]AP stack */ |
Harald Welte | be620f6 | 2017-11-25 00:23:54 +0100 | [diff] [blame] | 106 | vc_IPA := IPA_Emulation_CT.create(id & "-IPA"); |
| 107 | vc_SCCP := SCCP_CT.create(id & "-SCCP"); |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 108 | vc_BSSMAP := RAN_Emulation_CT.create(id & "-BSSMAP"); |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 109 | |
| 110 | map(vc_IPA:IPA_PORT, system:IPA_CODEC_PT); |
| 111 | |
| 112 | /* connect MTP3 service provider (IPA) to lower side of SCCP */ |
| 113 | connect(vc_IPA:MTP3_SP_PORT, vc_SCCP:MTP3_SCCP_PORT); |
| 114 | |
Harald Welte | c82eef4 | 2017-11-24 20:40:12 +0100 | [diff] [blame] | 115 | /* connect BSSMAP dispatcher to upper side of SCCP */ |
Harald Welte | 004f5fb | 2017-12-16 17:54:40 +0100 | [diff] [blame] | 116 | connect(vc_BSSMAP:BSSAP, vc_SCCP:SCCP_SP_PORT); |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 117 | |
Harald Welte | c82eef4 | 2017-11-24 20:40:12 +0100 | [diff] [blame] | 118 | /* connect BSSMAP dispatcher to IPA_Emulation MGCP */ |
| 119 | connect(vc_BSSMAP:MGCP, vc_IPA:IPA_MGCP_PORT); |
Pau Espin Pedrol | 8ab9a79 | 2019-06-10 21:02:03 +0200 | [diff] [blame] | 120 | /* connect BSSMAP dispatcher to IPA_Emulation CTRL */ |
| 121 | connect(vc_BSSMAP:CTRL, vc_IPA:IPA_CTRL_PORT); |
| 122 | |
| 123 | /* connect BSSMAP dispatcher to IPA_Emulation CTRL */ |
| 124 | connect(self:SCCPLITE_IPA_CTRL, vc_BSSMAP:CTRL_CLIENT); |
Harald Welte | c82eef4 | 2017-11-24 20:40:12 +0100 | [diff] [blame] | 125 | |
Harald Welte | 2fb0479 | 2017-11-25 01:14:35 +0100 | [diff] [blame] | 126 | /* start components */ |
Daniel Willmann | 909523e | 2018-10-25 17:21:24 +0200 | [diff] [blame] | 127 | vc_IPA.start(IPA_Emulation.main_client(remote_ip, remote_port, local_ip, local_port, ccm_pars)); |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 128 | vc_SCCP.start(SCCPStart(sccp_pars)); |
Harald Welte | 6811d10 | 2019-04-14 22:23:14 +0200 | [diff] [blame] | 129 | vc_BSSMAP.start(RAN_Emulation.main(BSC_MS_ConnectionHandler.BSC_MS_RanOps, id)); |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 130 | |
Harald Welte | 2fb0479 | 2017-11-25 01:14:35 +0100 | [diff] [blame] | 131 | /* Initial delay to wait for IPA connection establishment */ |
Pau Espin Pedrol | 8ab9a79 | 2019-06-10 21:02:03 +0200 | [diff] [blame] | 132 | T.start; |
| 133 | alt { |
Vadim Yanitskiy | a2afacc | 2020-05-18 21:16:19 +0700 | [diff] [blame] | 134 | [] SCCPLITE_IPA_CTRL.receive(tr_ASP_IPA_EV(ASP_IPA_EVENT_UP)) { } |
Pau Espin Pedrol | 8ab9a79 | 2019-06-10 21:02:03 +0200 | [diff] [blame] | 135 | [] T.timeout { |
| 136 | setverdict(fail, "Timeout CTRL waiting for ASP_IPA_EVENT_UP"); |
| 137 | mtc.stop; |
| 138 | } |
| 139 | } |
Harald Welte | be620f6 | 2017-11-25 00:23:54 +0100 | [diff] [blame] | 140 | |
Pau Espin Pedrol | a839604 | 2019-06-10 19:21:52 +0200 | [diff] [blame] | 141 | var BSC_MS_ConnHdlrList vc_conns; |
Harald Welte | 2fb0479 | 2017-11-25 01:14:35 +0100 | [diff] [blame] | 142 | for (i := 0; i < mp_num_iterations; i := i+1) { |
Pau Espin Pedrol | a839604 | 2019-06-10 19:21:52 +0200 | [diff] [blame] | 143 | vc_conns[i] := f_start_handler(fn_bsc_ms, id & "-MS-" & int2str(i), g_pars); |
| 144 | } |
| 145 | |
| 146 | fn_bsc.apply(id); |
| 147 | |
| 148 | for (i := 0; i < mp_num_iterations; i := i+1) { |
| 149 | vc_conns[i].done; |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 150 | } |
| 151 | |
Harald Welte | 2fb0479 | 2017-11-25 01:14:35 +0100 | [diff] [blame] | 152 | /* explicitly stop all components that we started above */ |
| 153 | vc_IPA.stop; |
| 154 | vc_BSSMAP.stop; |
| 155 | vc_SCCP.stop; |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 156 | } |
| 157 | |
Harald Welte | b3414b2 | 2017-11-23 18:22:10 +0100 | [diff] [blame] | 158 | } |