| /* Copyright 2019 by sysmocom s.f.m.c. GmbH <info@sysmocom.de> |
| * |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Affero General Public License as published by |
| * the Free Software Foundation; either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU Affero General Public License for more details. |
| * |
| * You should have received a copy of the GNU Affero General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| #pragma once |
| |
| #include <osmocom/gsupclient/cni_peer_id.h> |
| #include <osmocom/mslookup/mslookup.h> |
| |
| struct osmo_mslookup_query; |
| struct osmo_mslookup_result; |
| |
| /*! mslookup service name used for roaming/proxying between osmo-hlr instances. */ |
| #define OSMO_MSLOOKUP_SERVICE_HLR_GSUP "gsup.hlr" |
| |
| /*! What addresses to return to mslookup queries when a subscriber is attached at the local site. |
| * Mapping of service name to IP address and port. This corresponds to the VTY config for |
| * 'mslookup' / 'server' [/ 'msc MSC-1-2-3'] / 'service sip.voice at 1.2.3.4 1234'. |
| */ |
| struct mslookup_service_host { |
| struct llist_head entry; |
| char service[OSMO_MSLOOKUP_SERVICE_MAXLEN+1]; |
| struct osmo_sockaddr_str host_v4; |
| struct osmo_sockaddr_str host_v6; |
| }; |
| |
| /*! Sets of mslookup_service_host per connected MSC. |
| * When there are more than one MSC connected to this osmo-hlr, this allows keeping separate sets of service addresses |
| * for each MSC. The entry with mslookup_server_msc_wildcard as MSC name is used for all MSCs (if no match for that |
| * particular MSC is found). This corresponds to the VTY config for |
| * 'mslookup' / 'server' / 'msc MSC-1-2-3'. |
| */ |
| struct mslookup_server_msc_cfg { |
| struct llist_head entry; |
| struct osmo_ipa_name name; |
| struct llist_head service_hosts; |
| }; |
| |
| struct mslookup_service_host *mslookup_server_service_get(const struct osmo_ipa_name *msc_name, const char *service); |
| |
| struct mslookup_service_host *mslookup_server_msc_service_get(struct mslookup_server_msc_cfg *msc, const char *service, |
| bool create); |
| int mslookup_server_msc_service_set(struct mslookup_server_msc_cfg *msc, const char *service, |
| const struct osmo_sockaddr_str *addr); |
| int mslookup_server_msc_service_del(struct mslookup_server_msc_cfg *msc, const char *service, |
| const struct osmo_sockaddr_str *addr); |
| |
| extern const struct osmo_ipa_name mslookup_server_msc_wildcard; |
| struct mslookup_server_msc_cfg *mslookup_server_msc_get(const struct osmo_ipa_name *msc_name, bool create); |
| |
| const struct mslookup_service_host *mslookup_server_get_local_gsup_addr(); |
| void mslookup_server_rx(const struct osmo_mslookup_query *query, |
| struct osmo_mslookup_result *result); |
| |
| bool subscriber_has_done_lu_here(const struct osmo_mslookup_query *query, |
| uint32_t *lu_age_p, struct osmo_ipa_name *local_msc_name, |
| char *ret_imsi, size_t ret_imsi_len); |