module RAW_NS { /* Osmocom NS test suite for NS in TTCN-3 * (C) 2018-2019 Harald Welte * 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)); } } }