Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 1 | module Asterisk_Tests { |
| 2 | |
| 3 | /* Asterisk test suite in TTCN-3 |
| 4 | * (C) 2024 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> |
| 5 | * All rights reserved. |
| 6 | * Author: Pau Espin Pedrol <pespin@sysmocom.de> |
| 7 | * |
| 8 | * Released under the terms of GNU General Public License, Version 2 or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 12 | */ |
| 13 | |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 14 | import from TCCOpenSecurity_Functions all; |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 15 | import from General_Types all; |
| 16 | import from Osmocom_Types all; |
| 17 | import from Native_Functions all; |
| 18 | import from Misc_Helpers all; |
| 19 | |
| 20 | import from SDP_Types all; |
| 21 | import from SDP_Templates all; |
| 22 | |
| 23 | import from SIP_Emulation all; |
| 24 | import from SIPmsg_Types all; |
| 25 | import from SIP_Templates all; |
| 26 | |
| 27 | modulepar { |
| 28 | charstring mp_local_sip_host := "127.0.0.2"; |
| 29 | integer mp_local_sip_port := 5060; |
| 30 | charstring mp_remote_sip_host := "127.0.0.1"; |
| 31 | integer mp_remote_sip_port := 5060; |
| 32 | } |
| 33 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 34 | type port Coord_PT message |
| 35 | { |
| 36 | inout charstring; |
| 37 | } with { extension "internal" }; |
| 38 | private const charstring COORD_CMD_REGISTERED := "COORD_CMD_REGISTERED"; |
| 39 | private const charstring COORD_CMD_START := "COORD_CMD_START"; |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 40 | private const charstring COORD_CMD_PICKUP := "COORD_CMD_PICKUP"; |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 41 | private const charstring COORD_CMD_CALL_ESTABLISHED := "COORD_CMD_CALL_ESTABLISHED"; |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 42 | private const charstring COORD_CMD_CALL_CANCELLED := "COORD_CMD_CALL_CANCELLED"; |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 43 | private const charstring COORD_CMD_HANGUP := "COORD_CMD_HANGUP"; |
| 44 | |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 45 | type component test_CT { |
| 46 | var SIP_Emulation_CT vc_SIP; |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 47 | port Coord_PT COORD; |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 48 | } |
| 49 | |
| 50 | type component ConnHdlr extends SIP_ConnHdlr { |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 51 | var charstring g_name; |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 52 | var ConnHdlrPars g_pars; |
| 53 | timer g_Tguard; |
| 54 | var PDU_SIP_Request g_rx_sip_req; |
| 55 | var PDU_SIP_Response g_rx_sip_resp; |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 56 | |
| 57 | port Coord_PT COORD; |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 58 | } |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 59 | type record of ConnHdlr ConnHdlrList; |
| 60 | |
| 61 | const charstring broadcast_sip_extension := "0500"; |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 62 | |
| 63 | type record ConnHdlrPars { |
| 64 | float t_guard, |
| 65 | charstring user, |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 66 | charstring display_name, |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 67 | charstring password, |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 68 | SipUrl registrar_sip_req_uri, |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 69 | SipAddr registrar_sip_record, |
| 70 | CallidString registrar_sip_call_id, |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 71 | integer registrar_sip_seq_nr, |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 72 | Via local_via, |
| 73 | SipUrl local_sip_url_ext, |
| 74 | SipAddr local_sip_record, |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 75 | Contact local_contact, |
| 76 | CallPars cp optional |
| 77 | } |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 78 | type record of ConnHdlrPars ConnHdlrParsList; |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 79 | |
| 80 | template (value) ConnHdlrPars t_Pars(charstring user, |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 81 | charstring display_name := "Anonymous", |
| 82 | charstring password := "secret", |
| 83 | template (value) CallPars cp := t_CallPars()) := { |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 84 | t_guard := 30.0, |
| 85 | user := user, |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 86 | display_name := f_sip_str_quote(display_name), |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 87 | password := password, |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 88 | registrar_sip_req_uri := valueof(ts_SipUrlHost(mp_remote_sip_host)), |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 89 | registrar_sip_record := ts_SipAddr(ts_HostPort(mp_remote_sip_host), |
| 90 | ts_UserInfo(user), |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 91 | f_sip_str_quote(display_name)), |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 92 | registrar_sip_call_id := hex2str(f_rnd_hexstring(15)) & "@" & mp_local_sip_host, |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 93 | registrar_sip_seq_nr := f_sip_rand_seq_nr(), |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 94 | local_via := ts_Via_from(ts_HostPort(mp_local_sip_host, mp_local_sip_port)), |
| 95 | local_sip_url_ext := ts_SipUrl(ts_HostPort(mp_local_sip_host, mp_local_sip_port), |
| 96 | ts_UserInfo(user)), |
| 97 | local_sip_record := ts_SipAddr(ts_HostPort(mp_local_sip_host), |
| 98 | ts_UserInfo(user)), |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 99 | local_contact := valueof(ts_Contact({ |
| 100 | ts_ContactAddress( |
| 101 | ts_Addr_Union_SipUrl(ts_SipUrl(ts_HostPort( |
| 102 | mp_local_sip_host, |
| 103 | mp_local_sip_port), |
| 104 | ts_UserInfo(user))), |
| 105 | omit) |
| 106 | })), |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 107 | cp := cp |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | function f_init_ConnHdlrPars(integer idx := 1) runs on test_CT return ConnHdlrPars { |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 111 | var template (value) CallPars cp := t_CallPars(idx := idx); |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 112 | var template (value) ConnHdlrPars pars := t_Pars("0" & int2str(str2int(broadcast_sip_extension) + idx), |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 113 | cp := cp); |
| 114 | return valueof(pars); |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 115 | } |
| 116 | |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 117 | type record CallParsMT { |
| 118 | /* Whether to wait for COORD.receive(COORD_CMD_PICKUP) before accepting the call. */ |
| 119 | boolean wait_coord_cmd_pickup, |
| 120 | /* Whether to expect CANCEL instead of ACK as answer to our OK */ |
| 121 | boolean exp_cancel |
| 122 | } |
| 123 | private template (value) CallParsMT t_CallParsMT := { |
| 124 | wait_coord_cmd_pickup := false, |
| 125 | exp_cancel := false |
| 126 | } |
| 127 | |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 128 | type record CallPars { |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 129 | SipAddr calling optional, |
| 130 | SipAddr called optional, |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 131 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 132 | SipAddr from_addr optional, |
| 133 | SipAddr to_addr optional, |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 134 | |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 135 | CallidString sip_call_id, |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 136 | integer sip_seq_nr, |
| 137 | charstring sip_body optional, |
| 138 | |
| 139 | charstring local_rtp_addr, |
| 140 | uint16_t local_rtp_port, |
| 141 | |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 142 | SDP_Message peer_sdp optional, |
| 143 | CallParsMT mt |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 144 | } |
| 145 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 146 | private template (value) CallPars t_CallPars(integer idx := 1, |
| 147 | template (omit) SipAddr calling := omit, |
| 148 | template (omit) SipAddr called := omit) := { |
| 149 | calling := calling, |
| 150 | called := called, |
| 151 | from_addr := omit, |
| 152 | to_addr := omit, |
| 153 | sip_call_id := hex2str(f_rnd_hexstring(15)), |
| 154 | sip_seq_nr := f_sip_rand_seq_nr(), |
| 155 | sip_body := omit, |
| 156 | local_rtp_addr := mp_local_sip_host, |
| 157 | local_rtp_port := 1234 + 2*idx, |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 158 | peer_sdp := omit, |
| 159 | mt := t_CallParsMT |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | function f_init() runs on test_CT { |
| 163 | f_init_sip(vc_SIP, "Asterisk_Test"); |
| 164 | log("end of f_init"); |
| 165 | } |
| 166 | |
| 167 | type function void_fn(charstring id) runs on ConnHdlr; |
| 168 | |
| 169 | function f_start_handler(void_fn fn, ConnHdlrPars pars) |
| 170 | runs on test_CT return ConnHdlr { |
| 171 | var ConnHdlr vc_conn; |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 172 | var charstring id := testcasename() & "-ConnHdlr-" & pars.user; |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 173 | |
Pau Espin Pedrol | e94a648 | 2024-04-10 13:37:55 +0200 | [diff] [blame] | 174 | vc_conn := ConnHdlr.create(id) alive; |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 175 | |
| 176 | connect(vc_conn:SIP, vc_SIP:CLIENT); |
| 177 | connect(vc_conn:SIP_PROC, vc_SIP:CLIENT_PROC); |
| 178 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 179 | connect(vc_conn:COORD, self:COORD); |
| 180 | |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 181 | vc_conn.start(f_handler_init(fn, id, pars)); |
| 182 | return vc_conn; |
| 183 | } |
| 184 | |
| 185 | private altstep as_Tguard() runs on ConnHdlr { |
| 186 | [] g_Tguard.timeout { |
| 187 | setverdict(fail, "Tguard timeout"); |
| 188 | mtc.stop; |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | private function f_handler_init(void_fn fn, charstring id, ConnHdlrPars pars) |
| 193 | runs on ConnHdlr { |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 194 | g_name := id; |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 195 | g_pars := pars; |
| 196 | g_Tguard.start(pars.t_guard); |
| 197 | activate(as_Tguard()); |
| 198 | |
| 199 | // Make sure the UA is deregistered before starting the test: |
| 200 | // sends REGISTER with Contact = "*" and Expires = 0 |
| 201 | //f_SIP_deregister(); |
| 202 | |
| 203 | /* call the user-supied test case function */ |
| 204 | fn.apply(id); |
| 205 | } |
| 206 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 207 | private altstep as_SIP_fail_req(charstring exp_msg_str := "") runs on ConnHdlr |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 208 | { |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 209 | var PDU_SIP_Request sip_req; |
| 210 | [] SIP.receive(PDU_SIP_Request:?) -> value sip_req { |
| 211 | Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, |
| 212 | log2str(g_name & ": Received unexpected SIP Req message := ", sip_req, "\nvs exp := ", exp_msg_str)); |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 213 | } |
| 214 | } |
| 215 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 216 | private altstep as_SIP_fail_resp(charstring exp_msg_str := "") runs on ConnHdlr |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 217 | { |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 218 | var PDU_SIP_Response sip_resp; |
| 219 | [] SIP.receive(PDU_SIP_Response:?) -> value sip_resp { |
| 220 | Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, |
| 221 | log2str(g_name & ": Received unexpected SIP Resp message := ", sip_resp, "\nvs exp := ", exp_msg_str)); |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | altstep as_SIP_expect_req(template (present) PDU_SIP_Request sip_expect, boolean fail_others := true) runs on ConnHdlr |
| 226 | { |
| 227 | var charstring sip_expect_str := log2str(sip_expect); |
| 228 | [] SIP.receive(sip_expect) -> value g_rx_sip_req; |
| 229 | [fail_others] as_SIP_fail_req(sip_expect_str); |
| 230 | [fail_others] as_SIP_fail_resp(sip_expect_str); |
| 231 | } |
| 232 | |
| 233 | altstep as_SIP_expect_resp(template (present) PDU_SIP_Response sip_expect, boolean fail_others := true) runs on ConnHdlr |
| 234 | { |
| 235 | var charstring sip_expect_str := log2str(sip_expect); |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 236 | [] SIP.receive(sip_expect) -> value g_rx_sip_resp; |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 237 | [fail_others] as_SIP_fail_resp(sip_expect_str); |
| 238 | [fail_others] as_SIP_fail_req(sip_expect_str); |
| 239 | } |
| 240 | |
| 241 | altstep as_SIP_ignore_resp(template PDU_SIP_Response sip_expect := ?) runs on ConnHdlr |
| 242 | { |
| 243 | [] SIP.receive(sip_expect) -> value g_rx_sip_resp { |
| 244 | log("Ignoring ", g_rx_sip_resp); |
| 245 | repeat; |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 246 | } |
| 247 | } |
| 248 | |
| 249 | private function f_tr_Via_response(Via via_req) return template (present) Via { |
| 250 | template (present) SemicolonParam_List via_resp_params := ?; |
| 251 | |
| 252 | /*via_resp_params := { |
| 253 | { id := "rport", paramValue := int2str(mp_remote_sip_port) }, |
| 254 | { id := "received", paramValue := mp_remote_sip_host } |
| 255 | }; */ |
| 256 | return tr_Via_from(via_req.viaBody[0].sentBy, |
| 257 | via_resp_params); |
| 258 | } |
| 259 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 260 | private function f_tr_To_response(template (value) SipAddr to_req) return template (present) SipAddr { |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 261 | return tr_SipAddr_from_val(to_req); |
| 262 | } |
| 263 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 264 | private function f_tr_From(template (value) SipAddr from_req) return template (present) SipAddr { |
| 265 | return tr_SipAddr_from_val(from_req); |
| 266 | } |
| 267 | |
| 268 | private function f_gen_sdp() runs on ConnHdlr return charstring { |
| 269 | var charstring sdp := |
| 270 | "v=0\r\n" & |
| 271 | "o=0502 2390 1824 IN IP4 " & g_pars.cp.local_rtp_addr & "\r\n" & |
| 272 | "s=Talk\r\n" & |
| 273 | "c=IN IP4 " & g_pars.cp.local_rtp_addr & "\r\n" & |
| 274 | "t=0 0\r\n" & |
| 275 | "a=rtcp-xr:rcvr-rtt=all:10000 stat-summary=loss,dup,jitt,TTL voip-metrics\r\n" & |
| 276 | "a=record:off\r\n" & |
| 277 | "m=audio " & int2str(g_pars.cp.local_rtp_port) & " RTP/AVP 96 97 98 0 8 18 99 100 101\r\n" & |
| 278 | "a=rtpmap:96 opus/48000/2\r\n" & |
| 279 | "a=fmtp:96 useinbandfec=1\r\n" & |
| 280 | "a=rtpmap:97 speex/16000\r\n" & |
| 281 | "a=fmtp:97 vbr=on\r\n" & |
| 282 | "a=rtpmap:98 speex/8000\r\n" & |
| 283 | "a=fmtp:98 vbr=on\r\n" & |
| 284 | "a=fmtp:18 annexb=yes\r\n" & |
| 285 | "a=rtpmap:99 telephone-event/48000\r\n" & |
| 286 | "a=rtpmap:100 telephone-event/16000\r\n" & |
| 287 | "a=rtpmap:101 telephone-event/8000\r\n" & |
| 288 | "a=rtcp:" & int2str(g_pars.cp.local_rtp_port + 1) & "\r\n" & |
| 289 | "a=rtcp-fb:* trr-int 1000\r\n" & |
| 290 | "a=rtcp-fb:* ccm tmmbr\r\n"; |
| 291 | return sdp; |
| 292 | } |
| 293 | |
| 294 | private function f_SIP_register() runs on ConnHdlr return PDU_SIP_Response |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 295 | { |
| 296 | var template (present) PDU_SIP_Response exp; |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 297 | var Authorization authorization; |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 298 | var Via via := g_pars.local_via; |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 299 | var SipAddr from_sipaddr := g_pars.registrar_sip_record; |
| 300 | var charstring branch_value; |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 301 | |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 302 | branch_value := f_sip_gen_branch(f_sip_SipAddr_to_str(g_pars.registrar_sip_record), |
| 303 | f_sip_SipAddr_to_str(g_pars.registrar_sip_record), |
| 304 | g_pars.registrar_sip_call_id, |
| 305 | g_pars.registrar_sip_seq_nr); |
| 306 | |
| 307 | via.viaBody[0].viaParams := f_sip_param_set(via.viaBody[0].viaParams, "branch", branch_value); |
| 308 | from_sipaddr.params := f_sip_param_set(from_sipaddr.params, "tag", f_sip_rand_tag()); |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 309 | SIP.send(ts_SIP_REGISTER(g_pars.registrar_sip_req_uri, |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 310 | g_pars.registrar_sip_call_id, |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 311 | from_sipaddr, |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 312 | g_pars.registrar_sip_record, |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 313 | via, |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 314 | g_pars.registrar_sip_seq_nr, |
| 315 | g_pars.local_contact, |
| 316 | ts_Expires("7200"))); |
| 317 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 318 | exp := tr_SIP_Response_Unauthorized( |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 319 | g_pars.registrar_sip_call_id, |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 320 | from_sipaddr, |
| 321 | f_tr_To_response(g_pars.registrar_sip_record), |
| 322 | f_tr_Via_response(via), |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 323 | *, |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 324 | tr_WwwAuthenticate({tr_Challenge_digestCln(?)}), |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 325 | g_pars.registrar_sip_seq_nr); |
| 326 | as_SIP_expect_resp(exp); |
| 327 | |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 328 | /* Digest Auth: RFC 2617 */ |
| 329 | authorization := f_sip_digest_gen_Authorization(g_rx_sip_resp.msgHeader.wwwAuthenticate, |
| 330 | g_pars.user, g_pars.password, |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 331 | "REGISTER", |
| 332 | f_sip_SipUrl_to_str(g_pars.registrar_sip_req_uri)) |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 333 | |
| 334 | /* New transaction: */ |
| 335 | g_pars.registrar_sip_seq_nr := g_pars.registrar_sip_seq_nr + 1; |
| 336 | branch_value := f_sip_gen_branch(f_sip_SipAddr_to_str(g_pars.registrar_sip_record), |
| 337 | f_sip_SipAddr_to_str(g_pars.registrar_sip_record), |
| 338 | g_pars.registrar_sip_call_id, |
| 339 | g_pars.registrar_sip_seq_nr); |
| 340 | via.viaBody[0].viaParams := f_sip_param_set(via.viaBody[0].viaParams, "branch", branch_value); |
| 341 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 342 | SIP.send(ts_SIP_REGISTER(g_pars.registrar_sip_req_uri, |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 343 | g_pars.registrar_sip_call_id, |
| 344 | from_sipaddr, |
| 345 | g_pars.registrar_sip_record, |
| 346 | via, |
| 347 | g_pars.registrar_sip_seq_nr, |
| 348 | g_pars.local_contact, |
| 349 | ts_Expires("7200"), |
| 350 | authorization := authorization)); |
| 351 | |
| 352 | /* Wait for OK answer */ |
| 353 | exp := tr_SIP_Response( |
| 354 | g_pars.registrar_sip_call_id, |
| 355 | from_sipaddr, |
| 356 | f_tr_To_response(g_pars.registrar_sip_record), |
| 357 | f_tr_Via_response(via), |
| 358 | *, |
| 359 | "REGISTER", 200, |
| 360 | g_pars.registrar_sip_seq_nr, "OK"); |
| 361 | as_SIP_expect_resp(exp); |
| 362 | |
| 363 | /* Prepare for next use: */ |
| 364 | g_pars.registrar_sip_seq_nr := g_pars.registrar_sip_seq_nr + 1; |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 365 | return g_rx_sip_resp; |
| 366 | } |
| 367 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 368 | private function f_SIP_mo_call_setup() runs on ConnHdlr |
| 369 | { |
| 370 | var template (value) PDU_SIP_Request req; |
| 371 | var template (present) PDU_SIP_Response exp; |
| 372 | var Via via; |
| 373 | var charstring tx_sdp := f_gen_sdp(); |
| 374 | var default d_trying, d_ringing; |
| 375 | var charstring branch_value; |
| 376 | |
| 377 | /* RFC 3261 8.1.1.3 From */ |
| 378 | g_pars.cp.from_addr := g_pars.cp.calling; |
| 379 | g_pars.cp.from_addr.params := f_sip_param_set(g_pars.cp.from_addr.params, "tag", f_sip_rand_tag()); |
| 380 | g_pars.cp.to_addr := g_pars.cp.called; |
| 381 | branch_value := f_sip_gen_branch(f_sip_SipAddr_to_str(g_pars.cp.from_addr), |
| 382 | f_sip_SipAddr_to_str(valueof(g_pars.cp.to_addr)), |
| 383 | g_pars.cp.sip_call_id, |
| 384 | g_pars.cp.sip_seq_nr); |
| 385 | via := g_pars.local_via; |
| 386 | via.viaBody[0].viaParams := f_sip_param_set(via.viaBody[0].viaParams, "branch", branch_value); |
| 387 | |
| 388 | req := ts_SIP_INVITE(g_pars.cp.sip_call_id, |
| 389 | g_pars.cp.from_addr, |
| 390 | g_pars.cp.to_addr, |
| 391 | via, |
| 392 | g_pars.local_contact, |
| 393 | g_pars.cp.sip_seq_nr, |
| 394 | body := tx_sdp); |
| 395 | |
| 396 | SIP.send(req); |
| 397 | |
| 398 | /* RFC 3261 22.2: */ |
| 399 | exp := tr_SIP_Response_Unauthorized( |
| 400 | g_pars.cp.sip_call_id, |
| 401 | f_tr_From(g_pars.cp.from_addr), |
| 402 | f_tr_To_response(g_pars.cp.to_addr), |
| 403 | f_tr_Via_response(via), |
| 404 | *, |
| 405 | tr_WwwAuthenticate({tr_Challenge_digestCln(?)}), |
| 406 | g_pars.cp.sip_seq_nr, "INVITE"); |
| 407 | as_SIP_expect_resp(exp); |
| 408 | |
| 409 | /* Digest Auth: RFC 2617 */ |
| 410 | req.msgHeader.authorization := f_sip_digest_gen_Authorization( |
| 411 | g_rx_sip_resp.msgHeader.wwwAuthenticate, |
| 412 | g_pars.user, g_pars.password, |
| 413 | "INVITE", |
| 414 | f_sip_SipUrl_to_str(g_pars.registrar_sip_req_uri)) |
| 415 | g_pars.cp.sip_seq_nr := g_pars.cp.sip_seq_nr + 1; |
| 416 | f_sip_Request_inc_seq_nr(req); |
| 417 | SIP.send(req); |
| 418 | |
| 419 | /* Conditionally match and accept 100 Trying. */ |
| 420 | exp := tr_SIP_Response_Trying(g_pars.cp.sip_call_id, |
| 421 | g_pars.cp.from_addr, |
| 422 | f_tr_To_response(g_pars.cp.to_addr), |
| 423 | f_tr_Via_response(via), |
| 424 | g_pars.cp.sip_seq_nr, "INVITE"); |
| 425 | d_trying := activate(as_SIP_ignore_resp(exp)); |
| 426 | |
| 427 | /* Conditionally match and accept 180 Ringing */ |
| 428 | exp := tr_SIP_Response_Ringing(g_pars.cp.sip_call_id, |
| 429 | g_pars.cp.from_addr, |
| 430 | f_tr_To_response(g_pars.cp.to_addr), |
| 431 | f_tr_Via_response(via), |
| 432 | g_pars.cp.sip_seq_nr, "INVITE"); |
| 433 | d_ringing := activate(as_SIP_ignore_resp(exp)); |
| 434 | |
| 435 | /* Wait for OK answer */ |
| 436 | exp := tr_SIP_Response( |
| 437 | g_pars.cp.sip_call_id, |
| 438 | g_pars.cp.from_addr, |
| 439 | f_tr_To_response(g_pars.cp.to_addr), |
| 440 | f_tr_Via_response(via), |
| 441 | *, |
| 442 | "INVITE", 200, |
| 443 | g_pars.cp.sip_seq_nr, "OK", |
| 444 | body := ?); |
| 445 | as_SIP_expect_resp(exp, fail_others := false); |
| 446 | |
| 447 | deactivate(d_trying); |
| 448 | deactivate(d_ringing); |
| 449 | |
| 450 | /* Update To with the tags received from peer: */ |
| 451 | g_pars.cp.to_addr := valueof(ts_SipAddr_from_Addr_Union(g_rx_sip_resp.msgHeader.toField.addressField, |
| 452 | g_rx_sip_resp.msgHeader.toField.toParams)); |
| 453 | |
| 454 | /* Transmit ACK */ |
| 455 | g_pars.cp.sip_seq_nr := g_pars.cp.sip_seq_nr + 1; |
| 456 | req := ts_SIP_ACK(g_pars.cp.sip_call_id, |
| 457 | g_pars.cp.from_addr, |
| 458 | g_pars.cp.to_addr, |
| 459 | via, |
| 460 | g_pars.cp.sip_seq_nr, |
| 461 | omit); |
| 462 | SIP.send(req); |
| 463 | g_pars.cp.sip_seq_nr := g_pars.cp.sip_seq_nr + 1; |
| 464 | } |
| 465 | |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 466 | private function f_ConnHdlr_parse_initial_SIP_INVITE(PDU_SIP_Request rx_sip_req) runs on ConnHdlr |
| 467 | { |
| 468 | f_SDP_decodeMessage(rx_sip_req.messageBody, g_pars.cp.peer_sdp); |
| 469 | log("Rx Initial MT INVITE decoded SDP: ", g_pars.cp.peer_sdp); |
| 470 | |
| 471 | /* Obtain params: */ |
| 472 | g_pars.cp.sip_call_id := rx_sip_req.msgHeader.callId.callid; |
| 473 | g_pars.cp.from_addr := valueof(ts_SipAddr_from_Addr_Union(rx_sip_req.msgHeader.fromField.addressField, |
| 474 | rx_sip_req.msgHeader.fromField.fromParams)); |
| 475 | g_pars.cp.to_addr := valueof(ts_SipAddr_from_Addr_Union(rx_sip_req.msgHeader.toField.addressField, |
| 476 | rx_sip_req.msgHeader.toField.toParams)); |
| 477 | g_pars.cp.to_addr.params := f_sip_param_set(g_pars.cp.to_addr.params, "tag", f_sip_rand_tag()); |
| 478 | g_pars.cp.sip_seq_nr := rx_sip_req.msgHeader.cSeq.seqNumber; |
| 479 | } |
| 480 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 481 | /* Peer is calling us, accept it: */ |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 482 | private altstep as_SIP_mt_call_accept(boolean exp_update_to_direct_rtp := true, |
| 483 | boolean fail_others := true) runs on ConnHdlr |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 484 | { |
| 485 | var template (present) PDU_SIP_Request exp_req := |
| 486 | tr_SIP_INVITE(f_tr_SipUrl_opt_defport(g_pars.local_sip_url_ext), |
| 487 | ?, |
| 488 | f_tr_From(g_pars.cp.calling), |
| 489 | g_pars.cp.called, |
| 490 | tr_Via_from(f_tr_HostPort(mp_remote_sip_host, mp_remote_sip_port)), |
| 491 | ?, ?); |
| 492 | var charstring sip_expect_str := log2str(exp_req); |
| 493 | |
| 494 | [] SIP.receive(exp_req) -> value g_rx_sip_req { |
| 495 | var template (value) PDU_SIP_Response tx_resp; |
| 496 | var Via via; |
| 497 | var charstring tx_sdp; |
| 498 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 499 | /* Obtain params: */ |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 500 | f_ConnHdlr_parse_initial_SIP_INVITE(g_rx_sip_req); |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 501 | via := g_rx_sip_req.msgHeader.via; |
| 502 | |
| 503 | |
| 504 | /* Tx 180 Ringing */ |
| 505 | tx_resp := ts_SIP_Response_Ringing(g_pars.cp.sip_call_id, |
| 506 | g_pars.cp.from_addr, |
| 507 | g_pars.cp.to_addr, |
| 508 | via, |
| 509 | g_pars.cp.sip_seq_nr); |
| 510 | SIP.send(tx_resp); |
| 511 | |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 512 | if (g_pars.cp.mt.wait_coord_cmd_pickup) { |
| 513 | COORD.receive(COORD_CMD_PICKUP); |
| 514 | } |
| 515 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 516 | /* Tx 200 OK */ |
| 517 | tx_sdp := f_gen_sdp(); |
| 518 | tx_resp := ts_SIP_Response(g_pars.cp.sip_call_id, |
| 519 | g_pars.cp.from_addr, |
| 520 | g_pars.cp.to_addr, |
| 521 | "INVITE", 200, |
| 522 | g_pars.cp.sip_seq_nr, |
| 523 | "OK", |
| 524 | via, |
| 525 | body := tx_sdp); |
| 526 | SIP.send(tx_resp); |
| 527 | |
| 528 | /* Wait for ACK */ |
| 529 | exp_req := tr_SIP_ACK(f_tr_SipUrl_opt_defport(g_pars.local_sip_url_ext), |
| 530 | g_pars.cp.sip_call_id, |
| 531 | g_pars.cp.from_addr, |
| 532 | g_pars.cp.to_addr, |
| 533 | f_tr_Via_response(via), |
| 534 | g_pars.cp.sip_seq_nr, *); |
| 535 | as_SIP_expect_req(exp_req); |
| 536 | |
| 537 | if (exp_update_to_direct_rtp) { |
| 538 | /* Asterisk will now update the session to connect us to MO directly: */ |
| 539 | /* Via is not kept since anyway "branch" will change upon following INVITE. */ |
| 540 | as_SIP_exp_call_update(g_pars.cp.sip_seq_nr + 1); |
| 541 | } |
| 542 | } |
| 543 | [fail_others] as_SIP_fail_resp(sip_expect_str); |
| 544 | [fail_others] as_SIP_fail_req(sip_expect_str); |
| 545 | |
| 546 | } |
| 547 | |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 548 | /* Peer is calling us, but cancells it during ringing: */ |
| 549 | private altstep as_SIP_mt_call_cancelled(boolean fail_others := true) runs on ConnHdlr |
| 550 | { |
| 551 | var template (present) PDU_SIP_Request exp_req := |
| 552 | tr_SIP_INVITE(f_tr_SipUrl_opt_defport(g_pars.local_sip_url_ext), |
| 553 | ?, |
| 554 | f_tr_From(g_pars.cp.calling), |
| 555 | g_pars.cp.called, |
| 556 | tr_Via_from(f_tr_HostPort(mp_remote_sip_host, mp_remote_sip_port)), |
| 557 | ?, ?); |
| 558 | var charstring sip_expect_str := log2str(exp_req); |
| 559 | |
| 560 | [] SIP.receive(exp_req) -> value g_rx_sip_req { |
| 561 | var template (value) PDU_SIP_Response tx_resp; |
| 562 | var Via via; |
| 563 | var template (present) SipAddr exp_to_addr; |
| 564 | var charstring tx_sdp; |
| 565 | |
| 566 | /* Obtain params: */ |
| 567 | f_ConnHdlr_parse_initial_SIP_INVITE(g_rx_sip_req); |
| 568 | via := g_rx_sip_req.msgHeader.via; |
| 569 | |
| 570 | |
| 571 | /* Tx 180 Ringing */ |
| 572 | tx_resp := ts_SIP_Response_Ringing(g_pars.cp.sip_call_id, |
| 573 | g_pars.cp.from_addr, |
| 574 | g_pars.cp.to_addr, |
| 575 | via, |
| 576 | g_pars.cp.sip_seq_nr); |
| 577 | SIP.send(tx_resp); |
| 578 | |
| 579 | if (g_pars.cp.mt.wait_coord_cmd_pickup) { |
| 580 | COORD.receive(COORD_CMD_PICKUP); |
| 581 | } |
| 582 | |
| 583 | /* Wait for CANCEL */ |
| 584 | /* Cancel may come even before we send Ringing, hence To's "tag" |
| 585 | * may not be known by peer, so g_pars.to_addr can't be used here: */ |
| 586 | exp_to_addr := ts_SipAddr_from_Addr_Union(g_rx_sip_req.msgHeader.toField.addressField, |
| 587 | g_rx_sip_req.msgHeader.toField.toParams); |
| 588 | exp_req := tr_SIP_CANCEL(f_tr_SipUrl_opt_defport(g_pars.local_sip_url_ext), |
| 589 | g_pars.cp.sip_call_id, |
| 590 | g_pars.cp.from_addr, |
| 591 | exp_to_addr, |
| 592 | f_tr_Via_response(via), |
| 593 | g_pars.cp.sip_seq_nr, *); |
| 594 | as_SIP_expect_req(exp_req); |
| 595 | |
| 596 | /* Tx 200 OK */ |
| 597 | tx_sdp := f_gen_sdp(); |
| 598 | tx_resp := ts_SIP_Response(g_pars.cp.sip_call_id, |
| 599 | g_pars.cp.from_addr, |
| 600 | g_pars.cp.to_addr, |
| 601 | "CANCEL", 200, |
| 602 | g_pars.cp.sip_seq_nr, |
| 603 | "OK", |
| 604 | via, |
| 605 | body := omit); |
| 606 | SIP.send(tx_resp); |
| 607 | } |
| 608 | [fail_others] as_SIP_fail_resp(sip_expect_str); |
| 609 | [fail_others] as_SIP_fail_req(sip_expect_str); |
| 610 | |
| 611 | } |
| 612 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 613 | /* New INVITE arrives after MT call is established. Accept it: */ |
| 614 | private altstep as_SIP_exp_call_update(template (present) integer exp_seq_nr := ?, boolean fail_others := true) runs on ConnHdlr |
| 615 | { |
| 616 | var template (present) PDU_SIP_Request exp_req := |
| 617 | tr_SIP_INVITE(f_tr_SipUrl_opt_defport(g_pars.local_sip_url_ext), |
| 618 | g_pars.cp.sip_call_id, |
| 619 | g_pars.cp.from_addr, |
| 620 | g_pars.cp.to_addr, |
| 621 | tr_Via_from(f_tr_HostPort(mp_remote_sip_host, mp_remote_sip_port)), |
| 622 | exp_seq_nr, |
| 623 | ?); |
| 624 | var charstring sip_expect_str := log2str(exp_req); |
| 625 | |
| 626 | [] SIP.receive(exp_req) -> value g_rx_sip_req { |
| 627 | var template (value) PDU_SIP_Response tx_resp; |
| 628 | var charstring tx_sdp; |
| 629 | var Via via; |
| 630 | |
| 631 | f_SDP_decodeMessage(g_rx_sip_req.messageBody, g_pars.cp.peer_sdp); |
| 632 | log("Rx Update MT INVITE decoded SDP: ", g_pars.cp.peer_sdp); |
| 633 | |
| 634 | /* Update parameters: */ |
| 635 | g_pars.cp.sip_seq_nr := g_rx_sip_req.msgHeader.cSeq.seqNumber; |
| 636 | /* "branch" has changed: */ |
| 637 | via := g_rx_sip_req.msgHeader.via; |
| 638 | |
| 639 | /* Tx 200 OK */ |
| 640 | tx_sdp := f_gen_sdp(); |
| 641 | tx_resp := ts_SIP_Response(g_pars.cp.sip_call_id, |
| 642 | g_pars.cp.from_addr, |
| 643 | g_pars.cp.to_addr, |
| 644 | "INVITE", 200, |
| 645 | g_pars.cp.sip_seq_nr, |
| 646 | "OK", |
| 647 | via, |
| 648 | body := tx_sdp); |
| 649 | SIP.send(tx_resp); |
| 650 | |
| 651 | /* Wait for ACK */ |
| 652 | exp_req := tr_SIP_ACK(f_tr_SipUrl_opt_defport(g_pars.local_sip_url_ext), |
| 653 | g_pars.cp.sip_call_id, |
| 654 | g_pars.cp.from_addr, |
| 655 | g_pars.cp.to_addr, |
| 656 | f_tr_Via_response(via), |
| 657 | g_pars.cp.sip_seq_nr, *); |
| 658 | as_SIP_expect_req(exp_req); |
| 659 | } |
| 660 | [fail_others] as_SIP_fail_resp(sip_expect_str); |
| 661 | [fail_others] as_SIP_fail_req(sip_expect_str); |
| 662 | } |
| 663 | |
| 664 | /* Tx BYE: */ |
| 665 | private function f_SIP_do_call_hangup() runs on ConnHdlr |
| 666 | { |
| 667 | var template (value) PDU_SIP_Request req; |
| 668 | var template (present) PDU_SIP_Response exp_resp; |
| 669 | var Via via; |
| 670 | var charstring branch_value; |
| 671 | |
| 672 | branch_value := f_sip_gen_branch(f_sip_SipAddr_to_str(g_pars.cp.from_addr), |
| 673 | f_sip_SipAddr_to_str(valueof(g_pars.cp.to_addr)), |
| 674 | g_pars.cp.sip_call_id, |
| 675 | g_pars.cp.sip_seq_nr); |
| 676 | |
| 677 | via := g_pars.local_via; |
| 678 | via.viaBody[0].viaParams := f_sip_param_set(via.viaBody[0].viaParams, "branch", branch_value); |
| 679 | |
| 680 | /* Transmit ACK */ |
| 681 | req := ts_SIP_BYE(g_pars.cp.sip_call_id, |
| 682 | g_pars.cp.from_addr, |
| 683 | g_pars.cp.to_addr, |
| 684 | via, |
| 685 | g_pars.cp.sip_seq_nr, |
| 686 | omit); |
| 687 | SIP.send(req); |
| 688 | |
| 689 | /* Wait for OK answer */ |
| 690 | exp_resp := tr_SIP_Response( |
| 691 | g_pars.cp.sip_call_id, |
| 692 | g_pars.cp.from_addr, |
| 693 | f_tr_To_response(g_pars.cp.to_addr), |
| 694 | f_tr_Via_response(via), |
| 695 | *, |
| 696 | "BYE", 200, |
| 697 | g_pars.cp.sip_seq_nr, "OK"); |
| 698 | as_SIP_expect_resp(exp_resp); |
| 699 | |
| 700 | g_pars.cp.sip_seq_nr := g_pars.cp.sip_seq_nr + 1; |
| 701 | } |
| 702 | |
| 703 | /* Call is terminated by peer: */ |
| 704 | private altstep as_SIP_exp_call_hangup(template (present) integer exp_seq_nr := ?, boolean fail_others := true) runs on ConnHdlr |
| 705 | { |
| 706 | var template (present) PDU_SIP_Request exp_req := |
| 707 | tr_SIP_BYE(f_tr_SipUrl_opt_defport(g_pars.local_sip_url_ext), |
| 708 | g_pars.cp.sip_call_id, |
| 709 | g_pars.cp.from_addr, |
| 710 | g_pars.cp.to_addr, |
| 711 | tr_Via_from(f_tr_HostPort(mp_remote_sip_host, mp_remote_sip_port)), |
| 712 | exp_seq_nr); |
| 713 | var charstring sip_expect_str := log2str(exp_req); |
| 714 | |
| 715 | [] SIP.receive(exp_req) -> value g_rx_sip_req { |
| 716 | var template (value) PDU_SIP_Response tx_resp; |
| 717 | var charstring tx_sdp; |
| 718 | var Via via; |
| 719 | |
| 720 | /* Update parameters: */ |
| 721 | g_pars.cp.sip_seq_nr := g_rx_sip_req.msgHeader.cSeq.seqNumber; |
| 722 | /* "branch" has changed: */ |
| 723 | via := g_rx_sip_req.msgHeader.via; |
| 724 | |
| 725 | /* Tx 200 OK */ |
| 726 | tx_sdp := f_gen_sdp(); |
| 727 | tx_resp := ts_SIP_Response(g_pars.cp.sip_call_id, |
| 728 | g_pars.cp.from_addr, |
| 729 | g_pars.cp.to_addr, |
| 730 | "BYE", 200, |
| 731 | g_pars.cp.sip_seq_nr, |
| 732 | "OK", |
| 733 | via, |
| 734 | body := tx_sdp); |
| 735 | SIP.send(tx_resp); |
| 736 | } |
| 737 | [fail_others] as_SIP_fail_resp(sip_expect_str); |
| 738 | [fail_others] as_SIP_fail_req(sip_expect_str); |
| 739 | } |
| 740 | |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 741 | /* Test SIP registration of local clients */ |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 742 | private function f_TC_internal_registration(charstring id) runs on ConnHdlr { |
| 743 | |
| 744 | f_SIP_register(); |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 745 | // f_SIP_deregister(); |
| 746 | setverdict(pass); |
| 747 | } |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 748 | testcase TC_internal_registration() runs on test_CT { |
| 749 | var ConnHdlrPars pars; |
| 750 | var ConnHdlr vc_conn; |
| 751 | f_init(); |
| 752 | pars := f_init_ConnHdlrPars(); |
| 753 | vc_conn := f_start_handler(refers(f_TC_internal_registration), pars); |
| 754 | vc_conn.done; |
| 755 | } |
| 756 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 757 | /* Successful SIP MO-MT Call between local clients: */ |
| 758 | private function f_TC_internal_call_mo(charstring id) runs on ConnHdlr { |
| 759 | |
| 760 | f_SIP_register(); |
| 761 | COORD.send(COORD_CMD_REGISTERED); |
| 762 | |
| 763 | COORD.receive(COORD_CMD_START); |
| 764 | f_SIP_mo_call_setup(); |
| 765 | COORD.send(COORD_CMD_CALL_ESTABLISHED); |
| 766 | |
| 767 | COORD.receive(COORD_CMD_HANGUP); |
| 768 | f_SIP_do_call_hangup(); |
| 769 | |
| 770 | setverdict(pass); |
| 771 | } |
| 772 | private function f_TC_internal_call_mt(charstring id) runs on ConnHdlr { |
| 773 | |
| 774 | f_create_sip_expect(valueof(ts_SipUrl_from_Addr_Union(g_pars.cp.called.addr))); |
| 775 | |
| 776 | f_SIP_register(); |
| 777 | COORD.send(COORD_CMD_REGISTERED); |
| 778 | |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 779 | if (g_pars.cp.mt.exp_cancel) { |
| 780 | as_SIP_mt_call_cancelled(); |
| 781 | COORD.send(COORD_CMD_CALL_CANCELLED); |
| 782 | setverdict(pass); |
| 783 | return; |
| 784 | } |
| 785 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 786 | as_SIP_mt_call_accept(); |
| 787 | COORD.send(COORD_CMD_CALL_ESTABLISHED); |
| 788 | |
| 789 | /* Once MO hangs up, Asterisk updates us to point RTP to it: */ |
| 790 | as_SIP_exp_call_update(g_pars.cp.sip_seq_nr + 1); |
| 791 | as_SIP_exp_call_hangup(g_pars.cp.sip_seq_nr + 1); |
| 792 | |
| 793 | setverdict(pass); |
| 794 | } |
| 795 | testcase TC_internal_call_momt() runs on test_CT { |
| 796 | var ConnHdlrPars pars[2]; |
| 797 | var ConnHdlr vc_conn[2]; |
| 798 | |
| 799 | f_init(); |
| 800 | |
| 801 | pars[0] := f_init_ConnHdlrPars(idx := 1); |
| 802 | pars[1] := f_init_ConnHdlrPars(idx := 2); |
| 803 | |
| 804 | pars[0].cp.calling := pars[0].registrar_sip_record; |
| 805 | pars[0].cp.called := pars[1].registrar_sip_record; |
| 806 | |
| 807 | pars[1].cp.calling := pars[0].registrar_sip_record; |
| 808 | pars[1].cp.called := pars[1].local_sip_record; |
| 809 | |
| 810 | vc_conn[0] := f_start_handler(refers(f_TC_internal_call_mo), pars[0]); |
| 811 | vc_conn[1] := f_start_handler(refers(f_TC_internal_call_mt), pars[1]); |
| 812 | |
| 813 | interleave { |
| 814 | [] COORD.receive(COORD_CMD_REGISTERED) from vc_conn[0]; |
| 815 | [] COORD.receive(COORD_CMD_REGISTERED) from vc_conn[1]; |
| 816 | } |
| 817 | |
| 818 | COORD.send(COORD_CMD_START) to vc_conn[0]; |
| 819 | |
| 820 | interleave { |
| 821 | [] COORD.receive(COORD_CMD_CALL_ESTABLISHED) from vc_conn[0]; |
| 822 | [] COORD.receive(COORD_CMD_CALL_ESTABLISHED) from vc_conn[1]; |
| 823 | } |
| 824 | |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 825 | /* Call on-going */ |
| 826 | f_sleep(1.0); |
| 827 | |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 828 | COORD.send(COORD_CMD_HANGUP) to vc_conn[0]; |
| 829 | |
| 830 | |
| 831 | vc_conn[0].done; |
| 832 | vc_conn[1].done; |
| 833 | } |
| 834 | |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 835 | /* One of the users calls (INVITE) shared extension, which makes all other user |
| 836 | * equipments ring (INVITE). The first one to pick up the call (OK 200) gets the |
| 837 | * call established (ACK), others get a CANCEL event. */ |
| 838 | private function TC_internal_call_all_Nregistered(integer num_conns := 2) runs on test_CT { |
| 839 | var ConnHdlrList vc_conn_list := {}; |
| 840 | const integer vc_conn_mo_idx := 0; /* Index of MO leg in vc_conn_list */ |
| 841 | const integer vc_conn_mt_idx := 1; /* Index of MT leg in vc_conn_list, peer picking up first the call */ |
| 842 | var SipAddr broadcast_sip_record; |
| 843 | var ConnHdlrPars pars_mo; |
| 844 | |
| 845 | f_init(); |
| 846 | |
| 847 | broadcast_sip_record := valueof(ts_SipAddr(ts_HostPort(mp_local_sip_host), |
| 848 | ts_UserInfo(broadcast_sip_extension))); |
| 849 | |
| 850 | for (var integer i := 0; i < num_conns; i := i + 1) { |
| 851 | var ConnHdlrPars pars; |
| 852 | var ConnHdlr vc_conn; |
| 853 | pars := f_init_ConnHdlrPars(idx := i + 1); |
| 854 | if (i == vc_conn_mo_idx) { /* MO */ |
| 855 | pars.cp.calling := pars.registrar_sip_record; |
| 856 | pars.cp.called := broadcast_sip_record; |
| 857 | vc_conn := f_start_handler(refers(f_TC_internal_call_mo), pars); |
| 858 | pars_mo := pars; |
| 859 | } else { /* MT */ |
| 860 | pars.cp.calling := pars_mo.registrar_sip_record; |
| 861 | pars.cp.called := pars.local_sip_record; |
| 862 | pars.cp.mt.wait_coord_cmd_pickup := true; |
| 863 | if (i != vc_conn_mt_idx) { |
| 864 | /* Only first MT picking up (OK 200 INVITE) will be ACKed, others CANCELed: */ |
| 865 | pars.cp.mt.exp_cancel := true; |
| 866 | } |
| 867 | vc_conn := f_start_handler(refers(f_TC_internal_call_mt), pars); |
| 868 | } |
| 869 | vc_conn_list := vc_conn_list & { vc_conn }; |
| 870 | } |
| 871 | |
| 872 | /* Wait all users are registered: */ |
| 873 | for (var integer i := 0; i < num_conns; i := i + 1) { |
| 874 | /* Note: "from vc_conn_list[i]" can't be used since they may arrive from components in any order: */ |
| 875 | COORD.receive(COORD_CMD_REGISTERED); |
| 876 | } |
| 877 | |
| 878 | /* Ask MO user to start the call: */ |
| 879 | COORD.send(COORD_CMD_START) to vc_conn_list[vc_conn_mo_idx]; |
| 880 | |
| 881 | /* Make sure the desired MT is the one picking up first the call: */ |
| 882 | COORD.send(COORD_CMD_PICKUP) to vc_conn_list[vc_conn_mt_idx]; |
| 883 | interleave { |
| 884 | [] COORD.receive(COORD_CMD_CALL_ESTABLISHED) from vc_conn_list[vc_conn_mo_idx]; |
| 885 | [] COORD.receive(COORD_CMD_CALL_ESTABLISHED) from vc_conn_list[vc_conn_mt_idx]; |
| 886 | } |
| 887 | |
| 888 | /* Pick up from other phone calls and expect CANCEL: */ |
| 889 | for (var integer i := 0; i < num_conns; i := i + 1) { |
| 890 | if (i != vc_conn_mo_idx and i != vc_conn_mt_idx) { |
| 891 | COORD.send(COORD_CMD_PICKUP) to vc_conn_list[i]; |
| 892 | COORD.receive(COORD_CMD_CALL_CANCELLED) from vc_conn_list[i]; |
| 893 | } |
| 894 | } |
| 895 | |
| 896 | /* Call on-going */ |
| 897 | f_sleep(1.0); |
| 898 | |
| 899 | COORD.send(COORD_CMD_HANGUP) to vc_conn_list[vc_conn_mo_idx]; |
| 900 | |
| 901 | for (var integer i := 0; i < num_conns; i := i + 1) { |
| 902 | vc_conn_list[i].done; |
| 903 | } |
| 904 | } |
| 905 | testcase TC_internal_call_all_2registered() runs on test_CT { |
| 906 | TC_internal_call_all_Nregistered(2); |
| 907 | } |
| 908 | testcase TC_internal_call_all_3registered() runs on test_CT { |
| 909 | TC_internal_call_all_Nregistered(3); |
| 910 | } |
| 911 | testcase TC_internal_call_all_4registered() runs on test_CT { |
| 912 | TC_internal_call_all_Nregistered(4); |
| 913 | } |
| 914 | |
Pau Espin Pedrol | 05eaa1a | 2024-04-02 12:56:26 +0200 | [diff] [blame] | 915 | testcase TC_selftest() runs on test_CT { |
| 916 | f_sip_digest_selftest(); |
| 917 | setverdict(pass); |
| 918 | } |
| 919 | |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 920 | control { |
| 921 | execute( TC_internal_registration() ); |
Pau Espin Pedrol | 7011bf4 | 2024-04-08 17:56:58 +0200 | [diff] [blame] | 922 | execute( TC_internal_call_momt() ); |
Pau Espin Pedrol | 32167d8 | 2024-04-10 13:14:51 +0200 | [diff] [blame] | 923 | execute( TC_internal_call_all_2registered() ); |
| 924 | execute( TC_internal_call_all_3registered() ); |
| 925 | execute( TC_internal_call_all_4registered() ); |
Pau Espin Pedrol | 37ee0ed | 2024-03-28 21:17:12 +0100 | [diff] [blame] | 926 | } |
| 927 | |
| 928 | } |