Osmocom code for the Iuh interface (HNBAP, RUA, RANAP) https://osmocom.org/projects/libosmo-ranap
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osmo-iuh/README.md

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osmo-iuh - Osmocom Iuh implementation
================================================
This repository contains a C-language implementation of the 3GPP Iuh
interface. You can use it to interface Iuh-speaking femtocells/small cells to
Iu-speaking MSCs and SGSNs.
It is part of the [Osmocom](https://osmocom.org/) Open Source Mobile
Communications project.
Homepage
--------
The official homepage of the project is
https://osmocom.org/projects/osmohnbgw/wiki
GIT Repository
--------------
You can clone from the official libosmocore.git repository using
git clone https://gitea.osmocom.org/cellular-infrastructure/osmo-iuh
There is a web interface at <https://gitea.osmocom.org/cellular-infrastructure/osmo-iuh>
Documentation
-------------
There is currently no documentation beyond the wiki available on the
homepage. We would love to see somebody contributing a manual that can
be part of the osmo-gsm-manuals suite.
Mailing List
------------
Discussions related to osmo-iuh are happening on the
openbsc@lists.osmocom.org mailing list, please see
https://lists.osmocom.org/mailman/listinfo/openbsc for subscription
options and the list archive.
Please observe the [Osmocom Mailing List
Rules](https://osmocom.org/projects/cellular-infrastructure/wiki/Mailing_List_Rules)
when posting.
Contributing
------------
Our coding standards are described at
https://osmocom.org/projects/cellular-infrastructure/wiki/Coding_standards
We us a gerrit based patch submission/review process for managing
contributions. Please see
https://osmocom.org/projects/cellular-infrastructure/wiki/Gerrit for
more details
The current patch queue for osmo-iuh can be seen at
https://gerrit.osmocom.org/#/q/project:osmo-iuh+status:open
Building
--------
It is generally best to check the wiki for the most up-to-date build
instructions.
As external library dependencies, you will need
* libosmocore from https://gitea.osmocom.org/osmocom/libosmocore
* libasn1c from https://gitea.osmocom.org/cellular-infrastructure/libasn1c
* libsctp-dev (this is the package name in Debian)
* libosmo-netif from https://gitea.osmocom.org/osmocom/libosmo-netif
* libosmo-sccp from https://gitea.osmocom.org/osmocom/libosmo-sccp
To bootstrap the build, in the root directory, run:
autoreconf --install
After that, run the usual
./configure [options]
make
[sudo] make install
Regenerating C code from ASN.1 source
-------------------------------------
In order to re-generate the C source code from the ASN.1 source,
you will need a modified asn1c which has the following features:
* APER support (the patch from Eurecom, or its forward-ported version
from the aper branch of https://gitea.osmocom.org/osmocom/asn1c)
* Support for prefixing the generated types (aper-prefix branch of
https://gitea.osmocom.org/osmocom/asn1c)
* Then in osmo-iuh.git: make -C src/ regen