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This allows running CBCH/ETWS related procedures only when the CBCH
towards MS under that cell is operative.
This also allows providing awarness of per-cell status to the CBSP peer
as required per specs.
Related: SYS#5910
Change-Id: Ia93919be94132fc010acb5bbfef0a6fd51c42981
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This way we separate all the VTY boilerplate from the actual logic, as
we usually do in all other subsystems.
Change-Id: Ifc7d1693d745dd2a3c31e3ee9610d8c634b50812
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Especially during emergencies / natural disasters, it is particularly
likely that networks become unreliable and BTSs disconnect and
reconnect. If upon reconnect there still is an active ETWS/PWS
emergency message active for this BTS, send it to the BTS to ensure
it re-starts broadcasting that message until disabled.
Change-Id: I175c33297c08e65bdbf38447e697e37f8a64d527
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Only if we store data like the CBSP message_id and serial_number
we are able to later (in a subsequent patch) match a CBSP KILL
for ETWS/PWS and stop emergency broadcast.
Change-Id: Ide74638880d7e3c6a7c774bf6320d3dce4b11c74
Related: OS#5540
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Add the ability to set a local bind address for the CBSP client mode.
Change-Id: I56a420d204a9a487b27dd460f4cc52e0b4093d69
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Firstly, make CBSP server and client mutually exclusive: Do not allow osmo-bsc
to be configured as CBC client *and* CBC server at the same time.
cbsp_link.c expects at most one CBSP link to be established, and, upon sending
CBSP messages, probes whether to send the message to a CBSP server or client
link. When both listen-port and remote-ip are configured (regardless of an
actual CBSP connection), osmo-bsc gets confused about where to send CBSP
messages.
One solution would be more accurate probing for an actual established TCP
connection. But the simpler and less confusing solution is to force the user to
configure only server or only client mode, never both.
Introduce 'cbc' / 'mode (server|client|disabled)'.
Secondly, clarify the 'cbc' config structure into distinct 'server' and
'client' subnodes. Refactor the 'cbc' VTY node in such a way that the IP
addresses for server and client mode can remain configured when the CBSP link
is switched between server/client/disabled modes.
To implement the above, switch the struct bsc_cbc_link to use osmo_sockaddr_str
for address configuration.
Related: OS#4702
Related: I7eea0dd39de50ed80af79e0f10c836b8685d8644 (osmo-ttcn3-hacks)
Related: I9e9760121265b3661f1c179610e975cf7a0873f1 (docker-playground)
Change-Id: Icaa2775cc20a99227dabe38a775ff808b374cf98
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This adds code to handle CBSP (Cell Broadcast Service Protocol)
from the CBC (Cell Broadcast Centre), as well as BSC-internal data
structures for scheduling the various SMSCB on the CBCH of each BTS.
There are currently one known shortcoming in the code: We don't yet
verify if keepalives are received within repetition period.
Change-Id: Ia0a0de862a104d0f447a5d6e56c7c83981b825c7
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