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Diffstat (limited to 'library/RAW_NS.ttcnpp')
| -rw-r--r-- | library/RAW_NS.ttcnpp | 583 |
1 files changed, 583 insertions, 0 deletions
diff --git a/library/RAW_NS.ttcnpp b/library/RAW_NS.ttcnpp new file mode 100644 index 00000000..da1a0ccc --- /dev/null +++ b/library/RAW_NS.ttcnpp @@ -0,0 +1,583 @@ +module RAW_NS { + +/* Osmocom NS test suite for NS in TTCN-3 + * (C) 2018-2019 Harald Welte <laforge@gnumonks.org> + * All rights reserved. + * + * Released under the terms of GNU General Public License, Version 2 or + * (at your option) any later version. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +import from Misc_Helpers all; +import from General_Types all; +import from Osmocom_Types all; +import from Osmocom_Gb_Types all; +import from NS_Emulation all; +import from NS_Types all; +import from BSSGP_Types all; +import from NS_Emulation all; +import from Native_Functions all; +import from IPL4asp_Types all; +import from NS_Provider_IPL4 all; +#ifdef NS_EMULATION_FR +import from NS_Provider_FR all; +#endif + +type record PerIPProvider { + NS_Provider_IPL4_CT vc_NSP_IP, + charstring local_ip, + PortNumber local_udp_port +} + +public type component RAW_NS_CT { + /* UDP port towards the bottom (IUT) */ + port NS_PROVIDER_PT NSCP[4]; + var PerIPProvider ip_prov[4]; + port NSPIP_PROC_PT NSPIP_PROC; +#ifdef NS_EMULATION_FR + var NS_Provider_FR_CT vc_NSP_FR[4]; +#endif + var NSConfiguration g_nsconfig; + timer g_T_guard; + var boolean g_handle_rx_alive := false; + var boolean rawns_initialized := false; +} + +public altstep as_Tguard() runs on RAW_NS_CT { + [] g_T_guard.timeout { + setverdict(fail, "Timeout of T_guard"); + mtc.stop; + } +} + +function f_find_ip_provider(NSVCConfigurationIP nsip_config) +runs on RAW_NS_CT return integer { + for (var integer idx := 0; idx < sizeof(ip_prov); idx := idx+1) { + if (ip_prov[idx].vc_NSP_IP == null) { + continue; + } + + if (ip_prov[idx].local_ip == nsip_config.local_ip and + ip_prov[idx].local_udp_port == nsip_config.local_udp_port) { + return idx; + } + } + return -1; +} + +function f_init_ns_codec(NSConfiguration ns_config, integer idx := 0, float guard_secs := 60.0, charstring id := testcasename()) runs on RAW_NS_CT { + var Result res; + + if (not g_T_guard.running) { + g_T_guard.start(guard_secs); + activate(as_Tguard()); + } + + if (not rawns_initialized) { + for (var integer i := 0; i < sizeof(ip_prov); i := i+1) { + ip_prov[i].vc_NSP_IP := null; + } + rawns_initialized := true; + } + + if (not isbound(g_nsconfig)) { + g_nsconfig := ns_config; + } + + if (ischosen(ns_config.nsvc[idx].provider.ip)) { + var integer prov_idx := f_find_ip_provider(ns_config.nsvc[idx].provider.ip); + /* Connect the UDP socket + * check if NS_Provider_IPL4_CT is already created + * add list of vc_NSP_IP with entries of source ip/port + * add a NSVC to it */ + if (prov_idx == -1) { + for (prov_idx := 0; prov_idx < sizeof(ip_prov); prov_idx := prov_idx+1) { + if (ip_prov[prov_idx].vc_NSP_IP == null) { + break; + } + } + if (prov_idx > sizeof(ip_prov)) { + /* TODO: error !! */ + } + ip_prov[prov_idx].local_ip := ns_config.nsvc[idx].provider.ip.local_ip; + ip_prov[prov_idx].local_udp_port := ns_config.nsvc[idx].provider.ip.local_udp_port; + ip_prov[prov_idx].vc_NSP_IP := NS_Provider_IPL4_CT.create(id & "-provIP" & int2str(prov_idx)) alive; + connect(self:NSPIP_PROC, ip_prov[prov_idx].vc_NSP_IP:PROC); + ip_prov[prov_idx].vc_NSP_IP.start(NS_Provider_IPL4.main(ns_config.nsvc[idx], ns_config, id)); + } + var integer port_idx := f_nspip_add_nsvc2(ip_prov[prov_idx].vc_NSP_IP, ns_config.nsvc[idx].provider.ip.remote_ip, ns_config.nsvc[idx].provider.ip.remote_udp_port); + connect(self:NSCP[idx], ip_prov[prov_idx].vc_NSP_IP:NSVC[port_idx]); + /* the NS_PROV_LINK_STATUS_UP is not sent by the NS_Provider_IPL4 because we connect the port manual */ +#ifdef NS_EMULATION_FR + } else if (ischosen(ns_config.nsvc[idx].provider.fr)) { + vc_NSP_FR[idx] := NS_Provider_FR_CT.create(id & "-provFR") alive; + connect(self:NSCP[idx], vc_NSP_FR[idx]:NSE); + vc_NSP_FR[idx].start(NS_Provider_FR.main(ns_config.nsvc[idx], ns_config, id)); + NSCP[idx].receive(NS_Provider_Evt:{link_status:=NS_PROV_LINK_STATUS_UP}); +#endif + } else { + Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "Unsupported NS provider"); + } +} + +function f_clean_ns_codec() runs on RAW_NS_CT { + for (var integer i := 0; i < lengthof(ip_prov); i := i + 1) { + if (ip_prov[i].vc_NSP_IP != null) { + ip_prov[i].vc_NSP_IP.stop; + } + } +#ifdef NS_EMULATION_FR + for (var integer i := 0; i < lengthof(vc_NSP_FR); i := i + 1) { + vc_NSP_FR[i].stop; + } +#endif NS_EMULATION_FR +} + +public altstep ax_rx_fail_on_any_ns(integer idx := 0) runs on RAW_NS_CT { + var PDU_NS nrf; + [] NSCP[idx].receive(PDU_NS: ?) -> value nrf { + setverdict(fail, "Received unexpected NS: ", nrf); + mtc.stop; + } +} + +function f_ns_exp(template PDU_NS exp_rx, integer idx := 0) runs on RAW_NS_CT return PDU_NS { + var PDU_NS nrf; + log("f_ns_exp() expecting ", exp_rx); + /* last activated altstep has the lowest priority */ + var default d := activate(ax_rx_fail_on_any_ns()); + alt { + [] NSCP[idx].receive(PDU_NS: exp_rx) -> value nrf { } + [g_handle_rx_alive] as_rx_alive_tx_ack(idx := idx); + } + deactivate(d); + return nrf; +} + +/* perform outbound NS-ALIVE procedure */ +function f_outgoing_ns_alive(integer idx := 0) runs on RAW_NS_CT { + NSCP[idx].send(t_NS_ALIVE); + alt { + [] NSCP[idx].receive(t_NS_ALIVE_ACK); + [g_handle_rx_alive] as_rx_alive_tx_ack(idx := idx); + [] NSCP[idx].receive { repeat; } + } +} + +/* perform outbound NS-ALIVE procedure */ +function f_outgoing_ns_alive_no_ack(integer idx := 0, float tout := 10.0) runs on RAW_NS_CT { + timer T := tout; + NSCP[idx].send(t_NS_ALIVE); + T.start; + alt { + [] NSCP[idx].receive(t_NS_ALIVE_ACK) { + setverdict(fail, "Received unexpected NS-ALIVE ACK"); + } + [g_handle_rx_alive] as_rx_alive_tx_ack(idx := idx); + [] NSCP[idx].receive { repeat; } + [] T.timeout { + setverdict(pass); + } + } +} + +function f_outgoing_ns_reset(integer idx := 0, float tout := 10.0) runs on RAW_NS_CT { + timer T := tout; + var template PDU_NS reset := ts_NS_RESET(NS_CAUSE_EQUIPMENT_FAILURE, g_nsconfig.nsvc[idx].nsvci, g_nsconfig.nsei) + NSCP[idx].send(reset); + T.start; + alt { + [] NSCP[idx].receive(ts_NS_RESET_ACK(g_nsconfig.nsvc[idx].nsvci, g_nsconfig.nsei)) { + setverdict(pass); + } + [g_handle_rx_alive] as_rx_alive_tx_ack(idx := idx); + [] NSCP[idx].receive { repeat; } + [] T.timeout { + setverdict(fail, "Failed to receive a RESET ACK"); + } + } +} + +/* perform outbound NS-BLOCK procedure */ +function f_outgoing_ns_block(NsCause cause, integer idx := 0) runs on RAW_NS_CT { + NSCP[idx].send(ts_NS_BLOCK(cause, g_nsconfig.nsvc[idx].nsvci)); + alt { + [] NSCP[idx].receive(tr_NS_BLOCK_ACK(g_nsconfig.nsvc[idx].nsvci)); + [g_handle_rx_alive] as_rx_alive_tx_ack(idx := idx); + [] NSCP[idx].receive { repeat; } + } +} + +/* perform outbound NS-UNBLOCK procedure */ +function f_outgoing_ns_unblock(integer idx := 0) runs on RAW_NS_CT { + NSCP[idx].send(t_NS_UNBLOCK); + alt { + [] NSCP[idx].receive(t_NS_UNBLOCK_ACK); + [g_handle_rx_alive] as_rx_alive_tx_ack(idx := idx); + [] NSCP[idx].receive { repeat; } + } +} + +/* receive NS-ALIVE and ACK it */ +altstep as_rx_alive_tx_ack(boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT { + [] NSCP[idx].receive(t_NS_ALIVE) { + NSCP[idx].send(t_NS_ALIVE_ACK); + if (not oneshot) { repeat; } + } + /* in oneshot mode, ignore any NS-UNITDATA we receive meanwhile. This is + * particularly useful when waiting for the first NS-ALIVE after SNS-CONFIG, + * where there is a high chance of UNITDATA during the first Tns-test cycle + * before the peer sends its first NS-ALIVE after Tns-test expiration */ + [oneshot] NSCP[idx].receive(tr_NS_UNITDATA(?,?,?)) { + repeat; + } +} + +/* Transmit BSSGP RESET for given BVCI and expect ACK */ +function f_tx_bvc_reset_rx_ack(BssgpBvci bvci, template (omit) BssgpCellId tx_cell_id, template BssgpCellId rx_cell_id, + integer idx := 0, boolean exp_ack := true) +runs on RAW_NS_CT { + var PDU_BSSGP bssgp_tx := valueof(ts_BVC_RESET(BSSGP_CAUSE_NET_SV_CAP_MOD_GT_ZERO_KBPS, bvci, + tx_cell_id)); + timer T := 5.0; + NSCP[idx].send(ts_NS_UNITDATA(t_SduCtrlB, 0, enc_PDU_BSSGP(bssgp_tx))); + T.start; + alt { + [exp_ack] NSCP[idx].receive(tr_NS_UNITDATA(t_SduCtrlB, 0, + decmatch tr_BVC_RESET_ACK(bvci, rx_cell_id))) { + setverdict(pass); + } + [exp_ack] T.timeout { + setverdict(fail, "No response to BVC-RESET"); + } + [not exp_ack] T.timeout { + setverdict(pass); + } + [g_handle_rx_alive] as_rx_alive_tx_ack(idx := idx); + [] NSCP[idx].receive { repeat; } + } +} + +/* Receive a BSSGP RESET for given BVCI and ACK it */ +altstep as_rx_bvc_reset_tx_ack(BssgpBvci bvci, template BssgpCellId rx_cell_id, template (omit) BssgpCellId tx_cell_id, + boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT { + var PDU_NS ns_rf; + [] NSCP[idx].receive(tr_NS_UNITDATA(t_SduCtrlB, 0, + decmatch tr_BVC_RESET(?, bvci, rx_cell_id))) + -> value ns_rf { + var PDU_BSSGP bssgp_rx := dec_PDU_BSSGP(ns_rf.pDU_NS_Unitdata.nS_SDU); + var PDU_BSSGP bssgp_tx := valueof(ts_BVC_RESET_ACK(bvci, tx_cell_id)); + NSCP[idx].send(ts_NS_UNITDATA(t_SduCtrlB, 0, enc_PDU_BSSGP(bssgp_tx))); + if (not oneshot) { repeat; } + } +} + + +/* Receive a BSSGP UNBLOCK for given BVCI and ACK it */ +altstep as_rx_bvc_unblock_tx_ack(BssgpBvci bvci, boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT { + var PDU_NS ns_rf; + [] NSCP[idx].receive(tr_NS_UNITDATA(t_SduCtrlB, 0, decmatch tr_BVC_UNBLOCK(bvci))) -> value ns_rf { + var PDU_BSSGP bssgp_rx := dec_PDU_BSSGP(ns_rf.pDU_NS_Unitdata.nS_SDU); + var PDU_BSSGP bssgp_tx := valueof(ts_BVC_UNBLOCK_ACK(bvci)); + NSCP[idx].send(ts_NS_UNITDATA(t_SduCtrlB, 0, enc_PDU_BSSGP(bssgp_tx))); + if (not oneshot) { repeat; } + } +} + +/* Receive a BSSGP FLOW-CONTROL-BVC and ACK it */ +altstep as_rx_bvc_fc_tx_ack(BssgpBvci bvci, boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT { + var PDU_NS ns_rf; + [] NSCP[idx].receive(tr_NS_UNITDATA(t_SduCtrlB, bvci, + decmatch tr_BVC_FC_BVC)) + -> value ns_rf { + var PDU_BSSGP bssgp_rx := dec_PDU_BSSGP(ns_rf.pDU_NS_Unitdata.nS_SDU); + var OCT1 tag := bssgp_rx.pDU_BSSGP_FLOW_CONTROL_BVC.tag.unstructured_Value; + var PDU_BSSGP bssgp_tx := valueof(ts_BVC_FC_BVC_ACK(tag)); + NSCP[idx].send(ts_NS_UNITDATA(t_SduCtrlB, bvci, enc_PDU_BSSGP(bssgp_tx))); + if (not oneshot) { repeat; } + } +} + +/********************************************************************************** + * Classic Gb/IP bring-up test cases using NS-{RESET,BLOCK,UNBLOCK} and no IP-SNS * + **********************************************************************************/ + +/* Receive a NS-RESET and ACK it */ +public altstep as_rx_ns_reset_ack(boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT { + var PDU_NS ns_rf; + [] NSCP[idx].receive(tr_NS_RESET(NS_CAUSE_OM_INTERVENTION, g_nsconfig.nsvc[idx].nsvci, + g_nsconfig.nsei)) -> value ns_rf { + NSCP[idx].send(ts_NS_RESET_ACK(g_nsconfig.nsvc[idx].nsvci, g_nsconfig.nsei)); + if (not oneshot) { repeat; } + } +} +/* Receive a NS-UNBLOCK and ACK it */ +public altstep as_rx_ns_unblock_ack(boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT { + var PDU_NS ns_rf; + [] NSCP[idx].receive(t_NS_UNBLOCK) -> value ns_rf { + NSCP[idx].send(t_NS_UNBLOCK_ACK); + if (not oneshot) { repeat; } + } +} + +/* Receive a NS-BLOCK and ACK it */ +public altstep as_rx_ns_block_ack(boolean oneshot := false, integer idx := 0, template NsCause cause := *, template Nsvci nsvci := *) runs on RAW_NS_CT { + var PDU_NS ns_rf; + [] NSCP[idx].receive(tr_NS_BLOCK(cause, nsvci)) -> value ns_rf { + NSCP[idx].send(ts_NS_BLOCK_ACK(oct2int(ns_rf.pDU_NS_Block.nS_VCI.nS_VCI))); + if (not oneshot) { repeat; } + } +} + +/********************************************************************************** + * IP Sub-Network Service (SNS) + **********************************************************************************/ + +/* perform inbound SNS-SIZE procedure */ +function f_incoming_sns_size(template (omit) NsCause cause := omit, integer idx := 0, + template integer num_max_nsvcs := ?, template integer num_ep := ?) +runs on RAW_NS_CT { + log("f_incoming_sns_size(idx=", idx, ")"); + var PDU_NS rx; + var NSVCConfiguration nsvc_cfg := g_nsconfig.nsvc[idx]; + + if (nsvc_cfg.provider.ip.address_family == AF_INET) { + /* expect one single SNS-SIZE with RESET flag; 4x v4 EP; no v6 EP */ + rx := f_ns_exp(tr_SNS_SIZE(g_nsconfig.nsei, rst_flag := true, max_nsvcs := num_max_nsvcs, + num_v4 := num_ep, num_v6 := omit), idx); + } else { + /* expect one single SNS-SIZE with RESET flag; no v4 EP; 4x v6 EP */ + rx := f_ns_exp(tr_SNS_SIZE(g_nsconfig.nsei, rst_flag := true, max_nsvcs := num_max_nsvcs, + num_v4 := omit, num_v6 := num_ep), idx); + } + NSCP[idx].send(ts_SNS_SIZE_ACK(g_nsconfig.nsei, cause)); +} + +/* perform outbound SNS-SIZE procedure */ +function f_outgoing_sns_size(template (omit) NsCause cause := omit, integer max_nsvcs := 1, + integer num_ip := 1, integer idx:= 0) +runs on RAW_NS_CT { + log("f_outgoing_sns_size(idx=", idx, ")"); + var PDU_NS rx; + var NSVCConfiguration nsvc_cfg := g_nsconfig.nsvc[idx]; + + if (nsvc_cfg.provider.ip.address_family == AF_INET) { + NSCP[idx].send(ts_SNS_SIZE(g_nsconfig.nsei, rst_flag := true, max_nsvcs := max_nsvcs, + num_v4 := num_ip, num_v6 := omit) + ); + } else { + NSCP[idx].send(ts_SNS_SIZE(g_nsconfig.nsei, rst_flag := true, max_nsvcs := max_nsvcs, + num_v4 := omit, num_v6 := num_ip) + ); + } + /* expect one single SNS-SIZE */ + rx := f_ns_exp(tr_SNS_SIZE_ACK(g_nsconfig.nsei, cause), idx); +} + +/* perform inbound SNS-CONFIG procedure */ +function f_incoming_sns_config(template (omit) NsCause cause := omit, integer idx := 0) +runs on RAW_NS_CT { + log("f_incoming_sns_config(idx=", idx, ")"); + var PDU_NS rx; + var NSVCConfiguration nsvc_cfg := g_nsconfig.nsvc[idx]; + + if (nsvc_cfg.provider.ip.address_family == AF_INET) { + var template IP4_Elements v4_elem := { tr_SNS_IPv4(nsvc_cfg.provider.ip.remote_ip, + nsvc_cfg.provider.ip.remote_udp_port) }; + rx := f_ns_exp(tr_SNS_CONFIG(g_nsconfig.nsei, end_flag := true, v4 := v4_elem), idx); + } else { + var template IP6_Elements v6_elem := { tr_SNS_IPv6(nsvc_cfg.provider.ip.remote_ip, + nsvc_cfg.provider.ip.remote_udp_port) }; + rx := f_ns_exp(tr_SNS_CONFIG(g_nsconfig.nsei, end_flag := true, v6 := v6_elem), idx); + } + NSCP[idx].send(ts_SNS_CONFIG_ACK(g_nsconfig.nsei, cause)); +} + +/* perform outbound SNS-CONFIG procedure */ +function f_outgoing_sns_config(template (omit) NsCause cause := omit, integer idx := 0) +runs on RAW_NS_CT { + log("f_outgoing_sns_config(idx=", idx, ")"); + var PDU_NS rx; + var NSVCConfiguration nsvc_cfg := g_nsconfig.nsvc[idx]; + + if (nsvc_cfg.provider.ip.address_family == AF_INET) { + var template (omit) IP4_Elements v4 := { ts_SNS_IPv4(nsvc_cfg.provider.ip.local_ip, + nsvc_cfg.provider.ip.local_udp_port) } + NSCP[idx].send(ts_SNS_CONFIG(g_nsconfig.nsei, true, v4)); + } else { + var template (omit) IP6_Elements v6 := { ts_SNS_IPv6(nsvc_cfg.provider.ip.local_ip, + nsvc_cfg.provider.ip.local_udp_port) } + NSCP[idx].send(ts_SNS_CONFIG(g_nsconfig.nsei, true, omit, v6)); + } + rx := f_ns_exp(tr_SNS_CONFIG_ACK(g_nsconfig.nsei, cause), idx); +} + +/* perform outbound SNS-CONFIG procedure (separate endpoints: 1 for control, 1 for user */ +function f_outgoing_sns_config_1c1u(template (omit) NsCause cause := omit, integer idx := 0) +runs on RAW_NS_CT { + log("f_outgoing_sns_config_1c1u(idx=", idx, ")"); + var PDU_NS rx; + + if (g_nsconfig.nsvc[0].provider.ip.address_family == AF_INET) { + var template (omit) IP4_Elements v4 := { ts_SNS_IPv4(g_nsconfig.nsvc[0].provider.ip.local_ip, + g_nsconfig.nsvc[0].provider.ip.local_udp_port, 1, 0), + ts_SNS_IPv4(g_nsconfig.nsvc[1].provider.ip.local_ip, + g_nsconfig.nsvc[1].provider.ip.local_udp_port, 0, 1) }; + NSCP[idx].send(ts_SNS_CONFIG(g_nsconfig.nsei, true, v4)); + } else { + var template (omit) IP6_Elements v6 := { ts_SNS_IPv6(g_nsconfig.nsvc[0].provider.ip.local_ip, + g_nsconfig.nsvc[0].provider.ip.local_udp_port, 1, 0), + ts_SNS_IPv6(g_nsconfig.nsvc[1].provider.ip.local_ip, + g_nsconfig.nsvc[1].provider.ip.local_udp_port, 0, 1) }; + NSCP[idx].send(ts_SNS_CONFIG(g_nsconfig.nsei, true, omit, v6)); + } + rx := f_ns_exp(tr_SNS_CONFIG_ACK(g_nsconfig.nsei, cause), idx); +} + +/* perform outbound SNS-CONFIG procedure (separate endpoints: 1 for control, 1 for user */ +function f_outgoing_sns_config_1c1u_separate(template (omit) NsCause cause := omit, integer idx := 0) +runs on RAW_NS_CT { + log("f_outgoing_sns_config_1c1u_separate(idx=", idx, ")"); + var PDU_NS rx; + if (g_nsconfig.nsvc[0].provider.ip.address_family == AF_INET) { + var template (omit) IP4_Elements v4 := { ts_SNS_IPv4(g_nsconfig.nsvc[1].provider.ip.local_ip, + g_nsconfig.nsvc[1].provider.ip.local_udp_port, 1, 0), + ts_SNS_IPv4(g_nsconfig.nsvc[2].provider.ip.local_ip, + g_nsconfig.nsvc[2].provider.ip.local_udp_port, 0, 1) }; + NSCP[idx].send(ts_SNS_CONFIG(g_nsconfig.nsei, true, v4)); + } else { + var template (omit) IP6_Elements v6 := { ts_SNS_IPv6(g_nsconfig.nsvc[1].provider.ip.local_ip, + g_nsconfig.nsvc[1].provider.ip.local_udp_port, 1, 0), + ts_SNS_IPv6(g_nsconfig.nsvc[2].provider.ip.local_ip, + g_nsconfig.nsvc[2].provider.ip.local_udp_port, 0, 1) }; + NSCP[idx].send(ts_SNS_CONFIG(g_nsconfig.nsei, true, omit, v6)); + } + rx := f_ns_exp(tr_SNS_CONFIG_ACK(g_nsconfig.nsei, cause), idx); +} + +/* perform inbound SNS-CHANGE-WEIGHT procedure */ +function f_incoming_sns_chg_weight(integer idx_chg := 0, template (omit) NsCause cause := omit, integer idx := 0) +runs on RAW_NS_CT { + log("f_incoming_sns_chg_weight(idx=", idx, ")"); + var PDU_NS rx; + var NSVCConfiguration nsvc_cfg := g_nsconfig.nsvc[idx_chg]; + + if (nsvc_cfg.provider.ip.address_family == AF_INET) { + var template IP4_Elements v4_elem := { tr_SNS_IPv4(nsvc_cfg.provider.ip.remote_ip, + nsvc_cfg.provider.ip.remote_udp_port) }; + rx := f_ns_exp(tr_SNS_CHG_WEIGHT(g_nsconfig.nsei, ?, v4 := v4_elem), idx); + } else { + var template IP6_Elements v6_elem := { tr_SNS_IPv6(nsvc_cfg.provider.ip.remote_ip, + nsvc_cfg.provider.ip.remote_udp_port) }; + rx := f_ns_exp(tr_SNS_CHG_WEIGHT(g_nsconfig.nsei, ?, v4 := omit, v6 := v6_elem), idx); + } + NSCP[idx].send(ts_SNS_ACK(g_nsconfig.nsei, rx.pDU_SNS_ChangeWeight.transactionID)); +} + + +/* perform inbound SNS-ADD procedure */ +function f_incoming_sns_add(integer idx_add, uint8_t w_sig := 1, uint8_t w_user := 1, integer idx := 0, template (omit) NsCause cause := omit) +runs on RAW_NS_CT { + log("f_incoming_sns_add(idx=", idx, ")"); + var PDU_NS rx; + var NSVCConfiguration nsvc_cfg := g_nsconfig.nsvc[idx_add]; + + if (nsvc_cfg.provider.ip.address_family == AF_INET) { + var template (omit) IP4_Elements v4_elem := { ts_SNS_IPv4(nsvc_cfg.provider.ip.remote_ip, + nsvc_cfg.provider.ip.remote_udp_port, + w_sig, w_user) }; + rx := f_ns_exp(tr_SNS_ADD(g_nsconfig.nsei, ?, v4 := v4_elem), idx); + } else { + var template (omit) IP6_Elements v6_elem := { ts_SNS_IPv6(nsvc_cfg.provider.ip.remote_ip, + nsvc_cfg.provider.ip.remote_udp_port, + w_sig, w_user) }; + rx := f_ns_exp(tr_SNS_ADD(g_nsconfig.nsei, ?, omit, v6_elem), idx); + } + NSCP[idx].send(ts_SNS_ACK(g_nsconfig.nsei, rx.pDU_SNS_Add.transactionID)); +} + +function f_outgoing_sns_add(integer idx_add, uint8_t w_sig := 1, uint8_t w_user := 1, integer idx := 0, template (omit) NsCause cause := omit) +runs on RAW_NS_CT { + log("f_outgoing_sns_add(idx_add=", idx_add, ")"); + var PDU_NS rx; + var NSVCConfiguration nsvc_cfg := g_nsconfig.nsvc[idx_add]; + if (nsvc_cfg.provider.ip.address_family == AF_INET) { + var template (omit) IP4_Elements v4 := { ts_SNS_IPv4(nsvc_cfg.provider.ip.local_ip, + nsvc_cfg.provider.ip.local_udp_port, + w_sig, w_user) }; + NSCP[idx].send(ts_SNS_ADD(g_nsconfig.nsei, 23, v4)); + rx := f_ns_exp(tr_SNS_ACK(g_nsconfig.nsei, 23, cause, v4)); + } else { + var template (omit) IP6_Elements v6 := { ts_SNS_IPv6(nsvc_cfg.provider.ip.local_ip, + nsvc_cfg.provider.ip.local_udp_port, + w_sig, w_user) }; + NSCP[idx].send(ts_SNS_ADD(g_nsconfig.nsei, 23, omit, v6)); + rx := f_ns_exp(tr_SNS_ACK(g_nsconfig.nsei, 23, cause, omit, v6)); + } +} + +/* perform inbound SNS-DELETE procedure */ +function f_incoming_sns_del(integer idx_del, uint8_t w_sig := 1, uint8_t w_user := 1, integer idx := 0, template (omit) NsCause cause := omit) +runs on RAW_NS_CT { + log("f_incoming_sns_del(idx=", idx, ")"); + var PDU_NS rx; + var NSVCConfiguration nsvc_cfg := g_nsconfig.nsvc[idx_del]; + + if (nsvc_cfg.provider.ip.address_family == AF_INET) { + var template (omit) IP4_Elements v4_elem := { ts_SNS_IPv4(nsvc_cfg.provider.ip.remote_ip, + nsvc_cfg.provider.ip.remote_udp_port, + w_sig, w_user) }; + rx := f_ns_exp(tr_SNS_DEL(g_nsconfig.nsei, ?, omit, v4 := v4_elem), idx); + } else { + var template (omit) IP6_Elements v6_elem := { ts_SNS_IPv6(nsvc_cfg.provider.ip.remote_ip, + nsvc_cfg.provider.ip.remote_udp_port, + w_sig, w_user) }; + rx := f_ns_exp(tr_SNS_DEL(g_nsconfig.nsei, ?, omit, omit, v6_elem), idx); + } + NSCP[idx].send(ts_SNS_ACK(g_nsconfig.nsei, rx.pDU_SNS_Delete.transactionID)); +} + + +function f_outgoing_sns_del(integer idx_del, uint8_t w_sig := 1, uint8_t w_user := 1, integer idx := 0) +runs on RAW_NS_CT { + log("f_outgoing_sns_del(idx_del=", idx_del, ")"); + var PDU_NS rx; + var NSVCConfiguration nsvc_cfg := g_nsconfig.nsvc[idx_del]; + if (nsvc_cfg.provider.ip.address_family == AF_INET) { + var template (omit) IP4_Elements v4 := { ts_SNS_IPv4(nsvc_cfg.provider.ip.local_ip, + nsvc_cfg.provider.ip.local_udp_port, + w_sig, w_user) }; + NSCP[idx].send(ts_SNS_DEL(g_nsconfig.nsei, 24, omit, v4)); + rx := f_ns_exp(tr_SNS_ACK(g_nsconfig.nsei, 24, omit, v4)); + } else { + var template (omit) IP6_Elements v6 := { ts_SNS_IPv6(nsvc_cfg.provider.ip.local_ip, + nsvc_cfg.provider.ip.local_udp_port, + w_sig, w_user) }; + NSCP[idx].send(ts_SNS_DEL(g_nsconfig.nsei, 24, omit, omit, v6)); + rx := f_ns_exp(tr_SNS_ACK(g_nsconfig.nsei, 24, omit, omit, v6)); + } +} + +function f_outgoing_sns_chg_weight(integer idx_chg, uint8_t w_sig, uint8_t w_user, integer idx := 0) +runs on RAW_NS_CT { + log("f_outgoing_sns_chg_weight(idx_chg=", idx_chg, ")"); + var PDU_NS rx; + var NSVCConfiguration nsvc_cfg := g_nsconfig.nsvc[idx_chg]; + if (nsvc_cfg.provider.ip.address_family == AF_INET) { + var template (omit) IP4_Elements v4 := { ts_SNS_IPv4(nsvc_cfg.provider.ip.local_ip, + nsvc_cfg.provider.ip.local_udp_port, + w_sig, w_user) }; + NSCP[idx].send(ts_SNS_CHG_WEIGHT(g_nsconfig.nsei, 25, v4)); + rx := f_ns_exp(tr_SNS_ACK(g_nsconfig.nsei, 25, omit, v4)); + } else { + var template (omit) IP6_Elements v6 := { ts_SNS_IPv6(nsvc_cfg.provider.ip.local_ip, + nsvc_cfg.provider.ip.local_udp_port, + w_sig, w_user) }; + NSCP[idx].send(ts_SNS_CHG_WEIGHT(g_nsconfig.nsei, 25, omit, v6)); + rx := f_ns_exp(tr_SNS_ACK(g_nsconfig.nsei, 25, omit, omit, v6)); + } +} + +} |