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964b5f0e73
This patch introduces assoc_id[] to ogs_sbi_xact_t and stores a snapshot of the RAN-UE ID (AMF_ASSOC_RAN_UE_ID) when the AMF sends SBI requests to SMF/PCF. Since the RAN-NG context may change (e.g., during NG Context release or RRC re-establishment) before the asynchronous SBI response arrives, relying on sess->ran_ue_id can lead to incorrect context resolution. The transaction-level snapshot ensures that AMF uses the correct RAN-UE when handling SBI responses. Key changes: - Added assoc_id[] array to ogs_sbi_xact_t. - Stored RAN-UE snapshot for SBI Client operations. - Updated AMF handlers (amf-sm, nsmf-handler, nnssf-handler, nnrf-handler, sbi-path) to use xact->assoc_id[] instead of sess->ran_ue_id for SBI Client responses. - Updated NAMF handlers to continue using sess->ran_ue_id since they operate in SBI Server mode and have no transaction snapshot. - Refactored function signatures to pass amf_ue and ran_ue explicitly. - Added detailed comments to sess->ran_ue_id explaining the distinction between SBI Client and SBI Server behavior. - Updated test cases and added the new issues4174 test. This resolves the race where RAN-UE context changes between SBI request and response, ensuring correct session processing and eliminating RAN-UE lookup failures during asynchronous callbacks. Issues #4174 |
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