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Diffstat (limited to 'include/osmocom/hlr/mslookup_server.h')
-rw-r--r-- | include/osmocom/hlr/mslookup_server.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/osmocom/hlr/mslookup_server.h b/include/osmocom/hlr/mslookup_server.h new file mode 100644 index 0000000..5425328 --- /dev/null +++ b/include/osmocom/hlr/mslookup_server.h @@ -0,0 +1,65 @@ +/* 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 + +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); |