Neels Hofmeyr 7dde1f40a2 add gsm23236: MSC pooling: TMSI and NRI utility functions ... These utilities will be used by osmo-bsc to determine the Network Resource Indicator seen in the TMSI, and (potentially) by osmo-msc to compose a TMSI with a specific NRI, for osmo-bsc's load balancing between several MSCs. Add utility functions to: - extract an NRI value from a TMSI. - overwrite the NRI value in a TMSI. - limit an NRI in a (random) TMSI to a given list of ranges. - add NRI value ranges to a list. - remove them from a list. - match NRI value (range) to a list. - parse NRI values from string, for VTY. - common VTY functionality of adding/removing NRI values from argv. Add C tests for the above. Why we need public API for NRI ranges: In osmo-bsc alone, we need the same NRI API twice, 1: to manage/list NRI value ranges per-MSC, and 2: to manage/list NULL-NRI values. If we also consider (potentially) adding NRI support to osmo-msc, we need the same API twice again there. Hence it is useful to define re-used API up here in libosmocore. Related: OS#3682 Change-Id: Icb57a2dd9323c7ea11b34003eccc7e68a0247bf5		2020-06-10 14:20:49 +02:00
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gsm23236_test.c	add gsm23236: MSC pooling: TMSI and NRI utility functions	2020-06-10 14:20:49 +02:00
gsm23236_test.ok	add gsm23236: MSC pooling: TMSI and NRI utility functions	2020-06-10 14:20:49 +02:00