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osmo-hlr
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ctrl: add subscriber.by-*.imsi GET-able variable 

There may be a need in various OsmoCNI-attached entities (for example,
external SMSC implementations) to perform a mapping from known MSISDN
to unknown IMSI, querying OsmoHLR subscriber db for it.  Querying for
subscriber.by-msisdn-*.imsi will be much more efficient (and easier on
client-side implementors) than querying for subscriber.by-msisdn-*.info
and fishing the IMSI out of the long multiline response, discarding all
other irrelevant info.

Related: OS#6312
Change-Id: Icea1a74d0c664047f46758ab4ad75508782f3d12
This commit is contained in:
Mychaela N. Falconia 2023-12-17 20:25:41 +00:00
parent 947e137918
commit be8bcd30eb
1 changed files with 15 additions and 0 deletions
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15
src/ctrl.c
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@ -426,6 +426,20 @@ static int set_subscr_cs_enabled(struct ctrl_cmd *cmd, void *data)
return set_subscr_cs_ps_enabled(cmd, data, false);
}
CTRL_CMD_DEFINE_RO(subscr_imsi, "imsi");
static int get_subscr_imsi(struct ctrl_cmd *cmd, void *data)
{
struct hlr_subscriber subscr;
struct hlr *hlr = data;
const char *by_selector = cmd->node;
if (!get_subscriber(hlr->dbc, by_selector, &subscr, cmd))
return CTRL_CMD_ERROR;
cmd->reply = talloc_strdup(cmd, subscr.imsi);
return CTRL_CMD_REPLY;
}
CTRL_CMD_DEFINE(subscr_msisdn, "msisdn");
static int verify_subscr_msisdn(struct ctrl_cmd *cmd, const char *value, void *data)
{
@ -761,6 +775,7 @@ static int hlr_ctrl_cmds_install(void)
rc |= ctrl_cmd_install(CTRL_NODE_SUBSCR_BY, &cmd_subscr_info_all);
rc |= ctrl_cmd_install(CTRL_NODE_SUBSCR_BY, &cmd_subscr_ps_enabled);
rc |= ctrl_cmd_install(CTRL_NODE_SUBSCR_BY, &cmd_subscr_cs_enabled);
rc |= ctrl_cmd_install(CTRL_NODE_SUBSCR_BY, &cmd_subscr_imsi);
rc |= ctrl_cmd_install(CTRL_NODE_SUBSCR_BY, &cmd_subscr_msisdn);
rc |= ctrl_cmd_install(CTRL_NODE_SUBSCR_BY, &cmd_subscr_aud2g);
rc |= ctrl_cmd_install(CTRL_NODE_SUBSCR_BY, &cmd_subscr_aud3g);