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Use an un-official community collaboration version of asn1c

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1. It's no need to modify LTE-RRC's ASN.1 file for enabling option group
   feature in generate_asn1.
2. It's no need to patch the C header files generated from
   LTE-RRC/S1AP/X2AP's ASN.1 in fix_asn1.
3. It's no need to pre-process S1AP/X2AP's ASN.1 for enabling information
   object class feature by asn1tostruct.py.

This commit requires an un-official version of asn1c which are
collaboration of asn1c community members and `build_helper` is modified
in this commit accordingly :

  https://github.com/brchiu/asn1c/tree/velichkov_s1ap_plus_option_group

This asn1c can also convert ASN.1 of 5G NR RRC (38.331, v15.1.0) and
generate C files with -findirect-choice command line option without
tweaking ASN.1 file.

Examples for how to use this asn1c for S1AP are in S1AP files, e.g.
s1ap_eNB_nas_procedures.c and s1ap_eNB_handler.c.

There is an modified openair-cn (based on tag 0.5.0) with this new asn1c at :

  https://github.com/brchiu/openair-cn/tree/new-asn1c

Basic S1AP interaction and data transfer operation between OAI eNB and
this modified openair-cn has been tested.

Note: Community version of asn1c is keeping evolved to provide better usage.
This commit is contained in:
Bi-Ruei, Chiu
2018-07-13 10:04:46 +08:00
parent df1e5b21c8
commit a247907d3a
103 changed files with 159551 additions and 24258 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair3/COMMON/s1ap_messages_def.h
+1
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@@ -32,6 +32,7 @@ MESSAGE_DEF(S1AP_INITIAL_UE_MESSAGE_LOG , MESSAGE_PRIORITY_MED, IttiMsgText
MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_REQ_LOG, MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_ue_context_release_req_log)
MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_COMMAND_LOG, MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_ue_context_release_command_log)
MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_ue_context_release_log)
MESSAGE_DEF(S1AP_ERROR_INDICATION_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_error_indication_log)
MESSAGE_DEF(S1AP_UE_CAPABILITIES_IND , MESSAGE_PRIORITY_MED, s1ap_ue_cap_ind_t , s1ap_ue_cap_ind)
MESSAGE_DEF(S1AP_ENB_DEREGISTERED_IND , MESSAGE_PRIORITY_MED, s1ap_eNB_deregistered_ind_t , s1ap_eNB_deregistered_ind)