20 Dec
2017
20 Dec
'17
5:04 p.m.
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http://cgit.osmocom.org/libosmo-sccp/commit/?id=10d4815bb1b4b548ec0bc97611b…
commit 10d4815bb1b4b548ec0bc97611b2e7ac45e0ebc5
Author: Pau Espin Pedrol <pespin(a)sysmocom.de>
Date: Fri Nov 17 12:57:25 2017 +0100
ss7: Re-bind xUA server socket after setting new IP
In osmo-stp, cmd "local-ip" inside node "listen m3ua 2905" was
actually
not being applied, because the server was created + bound at "listen"
command
time using NULL as IP, and at "local-ip" time the IP was changed but the
server was not re-bound using the new IP, so it kept listening at
0.0.0.0.
With this patch, we defer binding the socket to "local-ip" cmd time,
after the IP has been applied.
As a result, if no "local-ip" command is provided, then the bind never
happens, which means it is now mandatory that users of osmo_ss7_xua_server_create
API not using osmo_ss7_xua_server_set_local_host call new provided API
osmo_ss7_xua_server_bind. Another new API osmo_ss7_bind_all_instances is
provided to easily make sure all servers are bound after configuration
process. This is specially important for servers which doesn't contain
the "local-ip" parameter.
Users of osmo_sccp_simple_server API are not affected by this change,
and they not requrie to call any new API.
Furthermore, using osmo_ss7_xua_server_bind in VTY code ensures the xUA
server is automatically bound to the new address if the operator changes
the "local-ip" cmd at runtime.
Related: OS#2647
Change-Id: I79738963d633bec70705ff159c5b2127cd498aa2
-----------------------------------------------------------------------
Summary of changes:
include/osmocom/sigtran/osmo_ss7.h | 5 ++++
src/osmo_ss7.c | 59 ++++++++++++++++++++++++++++++++------
src/osmo_ss7_vty.c | 4 +++
src/sccp_user.c | 5 ++++
stp/stp_main.c | 2 ++
5 files changed, 66 insertions(+), 9 deletions(-)
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SCCP Library