Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 1 | module BSC_Tests { |
| 2 | |
| 3 | import from Osmocom_Types all; |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 4 | import from GSM_Types all; |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 5 | import from IPL4asp_Types all; |
| 6 | |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 7 | import from BSSAP_Adapter all; |
| 8 | import from BSSAP_CodecPort all; |
| 9 | import from BSSMAP_Templates all; |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 10 | import from IPA_Emulation all; |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 11 | import from IPA_Types all; |
| 12 | import from RSL_Types all; |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 13 | |
Harald Welte | 96c9441 | 2017-12-09 03:12:45 +0100 | [diff] [blame^] | 14 | import from Osmocom_CTRL_Functions all; |
| 15 | |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 16 | import from RSL_Tests all; |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 17 | |
Harald Welte | 696ddb6 | 2017-12-08 14:01:43 +0100 | [diff] [blame] | 18 | const integer NUM_BTS := 1; |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 19 | const float T3101_MAX := 12.0; |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 20 | |
Harald Welte | 96c9441 | 2017-12-09 03:12:45 +0100 | [diff] [blame^] | 21 | type record BTS_State { |
| 22 | IPA_Client rsl, |
| 23 | IPA_Client ctrl |
| 24 | } |
| 25 | |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 26 | type component test_CT extends BSSAP_Adapter_CT { |
Harald Welte | 96c9441 | 2017-12-09 03:12:45 +0100 | [diff] [blame^] | 27 | var BTS_State bts[NUM_BTS]; |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 28 | port IPA_RSL_PT IPA_RSL[NUM_BTS]; |
Harald Welte | 96c9441 | 2017-12-09 03:12:45 +0100 | [diff] [blame^] | 29 | port IPA_CTRL_PT IPA_CTRL[NUM_BTS]; |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 30 | |
| 31 | var boolean g_initialized := false; |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 32 | timer T_guard := 30.0; |
| 33 | |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 34 | } |
| 35 | |
| 36 | modulepar { |
Harald Welte | 696ddb6 | 2017-12-08 14:01:43 +0100 | [diff] [blame] | 37 | charstring mp_bsc_ip := "127.0.0.1"; |
| 38 | integer mp_bsc_rsl_port := 3003; |
Harald Welte | 96c9441 | 2017-12-09 03:12:45 +0100 | [diff] [blame^] | 39 | integer mp_bsc_ctrl_port := 4249; |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 40 | } |
| 41 | |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 42 | type record IPA_Client { |
| 43 | IPA_Emulation_CT vc_IPA, |
| 44 | IPA_CCM_Parameters ccm_pars, |
| 45 | charstring id |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 46 | } |
| 47 | |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 48 | function f_ipa_rsl_start(inout IPA_Client clnt, charstring bsc_host, PortNumber bsc_port, integer i) |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 49 | runs on test_CT { |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 50 | timer T := 10.0; |
| 51 | |
Harald Welte | 96c9441 | 2017-12-09 03:12:45 +0100 | [diff] [blame^] | 52 | clnt.id := "IPA" & int2str(i) & "-RSL"; |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 53 | clnt.vc_IPA := IPA_Emulation_CT.create(clnt.id & "-IPA"); |
| 54 | clnt.ccm_pars := c_IPA_default_ccm_pars; |
| 55 | clnt.ccm_pars.name := "Osmocom TTCN-3 BTS Simulator"; |
| 56 | clnt.ccm_pars.unit_id := int2str(1234+i) & "/0/0"; |
| 57 | |
| 58 | map(clnt.vc_IPA:IPA_PORT, system:IPA_CODEC_PT); |
| 59 | connect(clnt.vc_IPA:IPA_RSL_PORT, self:IPA_RSL[i]); |
| 60 | |
| 61 | clnt.vc_IPA.start(IPA_Emulation.main_client(bsc_host, bsc_port, "", -1, clnt.ccm_pars)); |
| 62 | |
| 63 | /* wait for IPA RSL link to connect and send ID ACK */ |
| 64 | T.start; |
| 65 | alt { |
| 66 | [] IPA_RSL[i].receive(ASP_IPA_Event:{up_down := ASP_IPA_EVENT_ID_ACK}) { |
| 67 | T.stop; |
| 68 | IPA_RSL[i].send(ts_ASP_RSL_UD(IPAC_PROTO_RSL_TRX0,ts_RSL_PAGING_LOAD_IND(23))); |
| 69 | } |
| 70 | [] IPA_RSL[i].receive { repeat } |
| 71 | [] T.timeout { |
Harald Welte | 96c9441 | 2017-12-09 03:12:45 +0100 | [diff] [blame^] | 72 | setverdict(fail, "Timeout RSL waiting for ASP_IPA_EVENT_ID_ACK"); |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 73 | self.stop; |
| 74 | } |
| 75 | } |
| 76 | } |
| 77 | |
Harald Welte | 96c9441 | 2017-12-09 03:12:45 +0100 | [diff] [blame^] | 78 | function f_ipa_ctrl_start(inout IPA_Client clnt, charstring bsc_host, PortNumber bsc_port, integer i) |
| 79 | runs on test_CT { |
| 80 | timer T := 10.0; |
| 81 | |
| 82 | clnt.id := "IPA" & int2str(i) & "-CTRL"; |
| 83 | clnt.vc_IPA := IPA_Emulation_CT.create(clnt.id & "-IPA"); |
| 84 | |
| 85 | map(clnt.vc_IPA:IPA_PORT, system:IPA_CODEC_PT); |
| 86 | connect(clnt.vc_IPA:IPA_CTRL_PORT, self:IPA_CTRL[i]); |
| 87 | |
| 88 | clnt.vc_IPA.start(IPA_Emulation.main_client(bsc_host, bsc_port, "", -1)); |
| 89 | |
| 90 | /* wait for IPA CTRL link to connect and send UP */ |
| 91 | T.start; |
| 92 | alt { |
| 93 | [] IPA_CTRL[i].receive(ASP_IPA_Event:{up_down := ASP_IPA_EVENT_UP}) { } |
| 94 | [] T.timeout { |
| 95 | setverdict(fail, "Timeout CTRL waiting for ASP_IPA_EVENT_UP"); |
| 96 | self.stop; |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 102 | function f_sleep(float seconds) { |
| 103 | timer T := seconds; |
| 104 | T.start; |
| 105 | T.timeout; |
| 106 | } |
| 107 | |
| 108 | altstep as_Tguard() runs on test_CT { |
| 109 | [] T_guard.timeout { setverdict(fail, "Timeout of T_guard"); } |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | function f_init() runs on test_CT { |
| 113 | var integer i; |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 114 | |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 115 | if (g_initialized) { |
| 116 | return; |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 117 | } |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 118 | g_initialized := true; |
| 119 | |
| 120 | /* Call a function of our 'parent component' BSSAP_Adapter_CT to start the |
| 121 | * MSC-side BSSAP emulation */ |
| 122 | f_bssap_init("VirtMSC"); |
| 123 | |
| 124 | f_sleep(5.0); |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 125 | |
Harald Welte | 696ddb6 | 2017-12-08 14:01:43 +0100 | [diff] [blame] | 126 | for (i := 0; i < NUM_BTS; i := i+1) { |
Harald Welte | 96c9441 | 2017-12-09 03:12:45 +0100 | [diff] [blame^] | 127 | f_ipa_rsl_start(bts[i].rsl, mp_bsc_ip, mp_bsc_rsl_port, i); |
| 128 | f_ipa_ctrl_start(bts[i].ctrl, mp_bsc_ip, mp_bsc_ctrl_port, i); |
Harald Welte | 696ddb6 | 2017-12-08 14:01:43 +0100 | [diff] [blame] | 129 | } |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 130 | f_sleep(0.5); |
Harald Welte | 696ddb6 | 2017-12-08 14:01:43 +0100 | [diff] [blame] | 131 | |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 132 | T_guard.start; |
| 133 | activate(as_Tguard()); |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 134 | } |
| 135 | |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 136 | function f_exp_ipa_rx(integer bts_nr, template RSL_Message t_rx, float t_secs := 2.0, IpaStreamId sid := IPAC_PROTO_RSL_TRX0) |
| 137 | runs on test_CT return RSL_Message { |
| 138 | var ASP_RSL_Unitdata rx_rsl_ud; |
| 139 | timer T := t_secs; |
| 140 | |
| 141 | T.start; |
| 142 | alt { |
| 143 | [] IPA_RSL[bts_nr].receive(tr_ASP_RSL_UD(sid, t_rx)) -> value rx_rsl_ud { |
| 144 | T.stop; |
| 145 | } |
| 146 | [] IPA_RSL[bts_nr].receive { repeat; } |
| 147 | [] T.timeout { setverdict(fail, "Timeout expecting ", t_rx); } |
| 148 | } |
| 149 | return rx_rsl_ud.rsl; |
| 150 | } |
| 151 | |
| 152 | function f_ipa_tx(integer bts_nr, template RSL_Message t_tx, IpaStreamId sid := IPAC_PROTO_RSL_TRX0) |
| 153 | runs on test_CT { |
| 154 | IPA_RSL[bts_nr].send(ts_ASP_RSL_UD(sid, t_tx)); |
| 155 | } |
| 156 | |
| 157 | |
| 158 | testcase TC_chan_act_noreply() runs on test_CT { |
| 159 | var BSSAP_N_UNITDATA_ind ud_ind; |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 160 | |
| 161 | f_init(); |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 162 | f_bssap_reset(); |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 163 | |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 164 | IPA_RSL[0].send(ts_ASP_RSL_UD(IPAC_PROTO_RSL_TRX0,ts_RSL_CHAN_RQD('23'O, 23))); |
| 165 | f_exp_ipa_rx(0, tr_RSL_MsgTypeD(RSL_MT_CHAN_ACTIV)); |
| 166 | setverdict(pass); |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 167 | } |
| 168 | |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 169 | /* CHAN RQD -> CHAN ACT -> CHAN ACT ACK -> RF CHAN REL */ |
| 170 | testcase TC_chan_act_ack_noest() runs on test_CT { |
| 171 | var RSL_Message rx_rsl; |
| 172 | |
| 173 | f_init(); |
| 174 | f_bssap_reset(); |
| 175 | |
| 176 | /* Send CHAN RQD and wait for allocation; acknowledge it */ |
| 177 | f_ipa_tx(0, ts_RSL_CHAN_RQD('23'O, 23)); |
| 178 | rx_rsl := f_exp_ipa_rx(0, tr_RSL_MsgTypeD(RSL_MT_CHAN_ACTIV)); |
| 179 | var RslChannelNr chan_nr := rx_rsl.ies[0].body.chan_nr; |
| 180 | f_ipa_tx(0, ts_RSL_CHAN_ACT_ACK(chan_nr, 23)); |
| 181 | |
| 182 | /* expect BSC to disable the channel again if there's no RLL EST IND */ |
| 183 | rx_rsl := f_exp_ipa_rx(0, tr_RSL_MsgTypeD(RSL_MT_RF_CHAN_REL), T3101_MAX); |
| 184 | |
| 185 | setverdict(pass); |
| 186 | } |
| 187 | |
| 188 | /* Test behavior if MSC never answers to CR */ |
| 189 | testcase TC_chan_act_ack_est_ind_noreply() runs on test_CT { |
| 190 | var RSL_Message rx_rsl; |
| 191 | |
| 192 | f_init(); |
| 193 | f_bssap_reset(); |
| 194 | |
| 195 | /* Send CHAN RQD and wait for allocation; acknowledge it */ |
| 196 | f_ipa_tx(0, ts_RSL_CHAN_RQD('23'O, 23)); |
| 197 | rx_rsl := f_exp_ipa_rx(0, tr_RSL_MsgTypeD(RSL_MT_CHAN_ACTIV)); |
| 198 | var RslChannelNr chan_nr := rx_rsl.ies[0].body.chan_nr; |
| 199 | f_ipa_tx(0, ts_RSL_CHAN_ACT_ACK(chan_nr, 23)); |
| 200 | |
| 201 | var octetstring l3 := '00010203040506'O |
| 202 | f_ipa_tx(0, ts_RSL_EST_IND(chan_nr, valueof(ts_RslLinkID_DCCH(0)), l3)); |
| 203 | |
| 204 | BSSAP.receive(tr_BSSAP_CONNECT_ind(?, ?, tr_BSSMAP_ComplL3(l3))); |
| 205 | |
| 206 | /* expect BSC to disable the channel again if there's no response from MSC */ |
| 207 | rx_rsl := f_exp_ipa_rx(0, tr_RSL_MsgTypeD(RSL_MT_RF_CHAN_REL), T3101_MAX); |
| 208 | |
| 209 | setverdict(pass); |
| 210 | } |
| 211 | |
| 212 | /* Test behavior if MSC answers with CREF to CR */ |
| 213 | testcase TC_chan_act_ack_est_ind_refused() runs on test_CT { |
| 214 | var BSSAP_N_CONNECT_ind rx_c_ind; |
| 215 | var RSL_Message rx_rsl; |
| 216 | |
| 217 | f_init(); |
| 218 | f_bssap_reset(); |
| 219 | |
| 220 | /* Send CHAN RQD and wait for allocation; acknowledge it */ |
| 221 | f_ipa_tx(0, ts_RSL_CHAN_RQD('23'O, 23)); |
| 222 | rx_rsl := f_exp_ipa_rx(0, tr_RSL_MsgTypeD(RSL_MT_CHAN_ACTIV)); |
| 223 | var RslChannelNr chan_nr := rx_rsl.ies[0].body.chan_nr; |
| 224 | f_ipa_tx(0, ts_RSL_CHAN_ACT_ACK(chan_nr, 23)); |
| 225 | |
| 226 | var octetstring l3 := '00010203040506'O |
| 227 | f_ipa_tx(0, ts_RSL_EST_IND(chan_nr, valueof(ts_RslLinkID_DCCH(0)), l3)); |
| 228 | |
| 229 | BSSAP.receive(tr_BSSAP_CONNECT_ind(?, ?, tr_BSSMAP_ComplL3(l3))) -> value rx_c_ind; |
| 230 | BSSAP.send(ts_BSSAP_DISC_req(rx_c_ind.connectionId, 0)); |
| 231 | |
| 232 | /* expect BSC to disable the channel */ |
| 233 | rx_rsl := f_exp_ipa_rx(0, tr_RSL_MsgTypeD(RSL_MT_RF_CHAN_REL), T3101_MAX); |
| 234 | |
| 235 | setverdict(pass); |
| 236 | } |
| 237 | |
Harald Welte | 96c9441 | 2017-12-09 03:12:45 +0100 | [diff] [blame^] | 238 | testcase TC_ctrl() runs on test_CT { |
| 239 | |
| 240 | f_init(); |
| 241 | f_bssap_reset(); |
| 242 | |
| 243 | f_ctrl_get(IPA_CTRL[0], "bts.0.location-area-code"); |
| 244 | } |
| 245 | |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 246 | |
| 247 | |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 248 | control { |
Harald Welte | 96c9441 | 2017-12-09 03:12:45 +0100 | [diff] [blame^] | 249 | execute( TC_ctrl() ); |
Harald Welte | ae02669 | 2017-12-09 01:03:01 +0100 | [diff] [blame] | 250 | execute( TC_chan_act_noreply() ); |
| 251 | execute( TC_chan_act_ack_noest() ); |
| 252 | execute( TC_chan_act_ack_est_ind_noreply() ); |
| 253 | execute( TC_chan_act_ack_est_ind_refused() ); |
Harald Welte | 28d943e | 2017-11-25 15:00:50 +0100 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | } |