Pau Espin Pedrol | ac8a054 | 2024-04-19 17:30:57 +0200 | [diff] [blame] | 1 | /* Component implementing a IMS server towards Asterisk's IMS UE |
| 2 | * (C) 2024 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> |
| 3 | * Author: Pau Espin Pedrol <pespin@sysmocom.de> |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Released under the terms of GNU General Public License, Version 2 or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 10 | */ |
| 11 | module IMS_ConnectionHandler { |
| 12 | |
| 13 | import from TCCOpenSecurity_Functions all; |
| 14 | import from General_Types all; |
| 15 | import from Osmocom_Types all; |
| 16 | import from Native_Functions all; |
| 17 | import from Misc_Helpers all; |
| 18 | |
| 19 | import from SDP_Types all; |
| 20 | import from SDP_Templates all; |
| 21 | |
| 22 | import from SIP_Emulation all; |
| 23 | import from SIPmsg_Types all; |
| 24 | import from SIP_Templates all; |
| 25 | |
| 26 | type port IMSCoord_PT message |
| 27 | { |
| 28 | inout charstring; |
| 29 | } with { extension "internal" }; |
| 30 | |
| 31 | const charstring IMS_COORD_CMD_REGISTERED := "COORD_CMD_REGISTERED"; |
| 32 | |
| 33 | type component IMS_ConnHdlr extends SIP_ConnHdlr { |
| 34 | var charstring g_name; |
| 35 | var IMS_ConnHdlrPars g_pars; |
| 36 | timer g_Tguard; |
| 37 | var PDU_SIP_Request g_rx_sip_req; |
| 38 | var PDU_SIP_Response g_rx_sip_resp; |
| 39 | |
| 40 | port IMSCoord_PT COORD; |
| 41 | } |
| 42 | type record of IMS_ConnHdlr IMS_ConnHdlrList; |
| 43 | |
| 44 | type record IMS_ConnHdlrPars { |
| 45 | float t_guard, |
| 46 | charstring remote_sip_host, |
| 47 | uint16_t remote_sip_port, |
| 48 | charstring user, |
| 49 | charstring display_name, |
| 50 | charstring password, |
| 51 | SipUrl registrar_sip_req_uri, |
| 52 | SipAddr registrar_sip_record, |
| 53 | CallidString registrar_sip_call_id, |
| 54 | integer registrar_sip_seq_nr, |
| 55 | Via local_via, |
| 56 | SipUrl local_sip_url_ext, |
| 57 | SipAddr local_sip_record, |
| 58 | Contact local_contact, |
| 59 | IMS_CallPars cp optional |
| 60 | } |
| 61 | type record of IMS_ConnHdlrPars IMS_ConnHdlrParsList; |
| 62 | |
| 63 | type record IMS_CallParsMT { |
| 64 | /* Whether to wait for COORD.receive(COORD_CMD_PICKUP) before accepting the call. */ |
| 65 | boolean wait_coord_cmd_pickup, |
| 66 | /* Whether to expect CANCEL instead of ACK as answer to our OK */ |
| 67 | boolean exp_cancel |
| 68 | } |
| 69 | |
| 70 | type record IMS_CallPars { |
| 71 | SipAddr calling optional, |
| 72 | SipAddr called optional, |
| 73 | |
| 74 | SipAddr from_addr optional, |
| 75 | SipAddr to_addr optional, |
| 76 | |
| 77 | CallidString sip_call_id, |
| 78 | integer sip_seq_nr, |
| 79 | charstring sip_body optional, |
| 80 | |
| 81 | charstring local_rtp_addr, |
| 82 | uint16_t local_rtp_port, |
| 83 | |
| 84 | SDP_Message peer_sdp optional, |
| 85 | IMS_CallParsMT mt |
| 86 | } |
| 87 | |
| 88 | } |