maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add Bearer Context Release Complete enc/dec lib and unit test

Browse Source
This commit is contained in:
Guido Casati
2025-05-12 21:45:58 +02:00
parent f8eba806da
commit 8f9761ac84
3 changed files with 133 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/E1AP/lib/e1ap_bearer_context_management.c
+87
View File
@@ -1294,6 +1294,93 @@ void free_e1_bearer_context_release_command(const e1ap_bearer_release_cmd_t *msg
// do nothing
}
/**
* @brief Bearer Context Release Complete encoding (9.2.2.10, 3GPP TS 38.463)
* gNB-CU-UP → gNB-CU-CP
*/
E1AP_E1AP_PDU_t *encode_e1_bearer_context_release_complete(const e1ap_bearer_release_cplt_t *cplt)
{
E1AP_E1AP_PDU_t *pdu = calloc_or_fail(1, sizeof(*pdu));
pdu->present = E1AP_E1AP_PDU_PR_successfulOutcome;
// Message Type (M)
asn1cCalloc(pdu->choice.successfulOutcome, msg);
msg->procedureCode = E1AP_ProcedureCode_id_bearerContextRelease;
msg->criticality = E1AP_Criticality_reject;
msg->value.present = E1AP_SuccessfulOutcome__value_PR_BearerContextReleaseComplete;
E1AP_BearerContextReleaseComplete_t *out = &msg->value.choice.BearerContextReleaseComplete;
// gNB-CU-CP UE E1AP ID (M)
asn1cSequenceAdd(out->protocolIEs.list, E1AP_BearerContextReleaseCompleteIEs_t, ie1);
ie1->id = E1AP_ProtocolIE_ID_id_gNB_CU_CP_UE_E1AP_ID;
ie1->criticality = E1AP_Criticality_reject;
ie1->value.present = E1AP_BearerContextReleaseCompleteIEs__value_PR_GNB_CU_CP_UE_E1AP_ID;
ie1->value.choice.GNB_CU_CP_UE_E1AP_ID = cplt->gNB_cu_cp_ue_id;
// gNB-CU-UP UE E1AP ID (M)
asn1cSequenceAdd(out->protocolIEs.list, E1AP_BearerContextReleaseCompleteIEs_t, ie2);
ie2->id = E1AP_ProtocolIE_ID_id_gNB_CU_UP_UE_E1AP_ID;
ie2->criticality = E1AP_Criticality_reject;
ie2->value.present = E1AP_BearerContextReleaseCompleteIEs__value_PR_GNB_CU_UP_UE_E1AP_ID;
ie2->value.choice.GNB_CU_UP_UE_E1AP_ID = cplt->gNB_cu_up_ue_id;
return pdu;
}
/**
* @brief Bearer Context Release Complete decoding (9.2.2.10, 3GPP TS 38.463)
* gNB-CU-UP → gNB-CU-CP
*/
bool decode_e1_bearer_context_release_complete(e1ap_bearer_release_cplt_t *out, const E1AP_E1AP_PDU_t *pdu)
{
DevAssert(pdu != NULL);
_E1_EQ_CHECK_INT(pdu->present, E1AP_E1AP_PDU_PR_successfulOutcome);
E1AP_SuccessfulOutcome_t *type = pdu->choice.successfulOutcome;
_E1_EQ_CHECK_LONG(type->procedureCode, E1AP_ProcedureCode_id_bearerContextRelease);
_E1_EQ_CHECK_INT(type->value.present, E1AP_SuccessfulOutcome__value_PR_BearerContextReleaseComplete);
const E1AP_BearerContextReleaseComplete_t *in = &type->value.choice.BearerContextReleaseComplete;
// Check mandatory IEs
E1AP_BearerContextReleaseCompleteIEs_t *ie;
E1AP_LIB_FIND_IE(E1AP_BearerContextReleaseCompleteIEs_t, ie, in, E1AP_ProtocolIE_ID_id_gNB_CU_CP_UE_E1AP_ID, true);
E1AP_LIB_FIND_IE(E1AP_BearerContextReleaseCompleteIEs_t, ie, in, E1AP_ProtocolIE_ID_id_gNB_CU_UP_UE_E1AP_ID, true);
for (int i = 0; i < in->protocolIEs.list.count; i++) {
ie = in->protocolIEs.list.array[i];
AssertFatal(ie != NULL, "in->protocolIEs.list.array[i] shall not be null");
switch (ie->id) {
case E1AP_ProtocolIE_ID_id_gNB_CU_CP_UE_E1AP_ID:
out->gNB_cu_cp_ue_id = ie->value.choice.GNB_CU_CP_UE_E1AP_ID;
break;
case E1AP_ProtocolIE_ID_id_gNB_CU_UP_UE_E1AP_ID:
out->gNB_cu_up_ue_id = ie->value.choice.GNB_CU_UP_UE_E1AP_ID;
break;
default:
PRINT_ERROR("%s decoding failure: IE %ld is not handled or invalid\n", __func__, ie->id)
break;
}
}
return true;
}
/** @brief Bearer Context Release Complete equality check */
bool eq_bearer_context_release_complete(const e1ap_bearer_release_cplt_t *a, const e1ap_bearer_release_cplt_t *b)
{
_E1_EQ_CHECK_INT(a->gNB_cu_cp_ue_id, b->gNB_cu_cp_ue_id);
_E1_EQ_CHECK_INT(a->gNB_cu_up_ue_id, b->gNB_cu_up_ue_id);
return true;
}
/** @brief Bearer Context Release Complete deep copy */
e1ap_bearer_release_cplt_t cp_bearer_context_release_complete(const e1ap_bearer_release_cplt_t *src)
{
e1ap_bearer_release_cplt_t dst = *src;
return dst;
}
/** @brief Bearer Context Release Complete equality check */
void free_e1_bearer_context_release_complete(const e1ap_bearer_release_cplt_t *msg)
{
// No dynamic memory, do nothing
}
/* ============================================
* E1AP Bearer Context Modification Request
* ============================================ */
openair2/E1AP/lib/e1ap_bearer_context_management.h
+6
View File
@@ -52,6 +52,12 @@ bool eq_bearer_context_release_command(const e1ap_bearer_release_cmd_t *a, const
e1ap_bearer_release_cmd_t cp_bearer_context_release_command(const e1ap_bearer_release_cmd_t *msg);
void free_e1_bearer_context_release_command(const e1ap_bearer_release_cmd_t *msg);
struct E1AP_E1AP_PDU *encode_e1_bearer_context_release_complete(const e1ap_bearer_release_cplt_t *cplt);
bool decode_e1_bearer_context_release_complete(e1ap_bearer_release_cplt_t *out, const struct E1AP_E1AP_PDU *pdu);
bool eq_bearer_context_release_complete(const e1ap_bearer_release_cplt_t *a, const e1ap_bearer_release_cplt_t *b);
e1ap_bearer_release_cplt_t cp_bearer_context_release_complete(const e1ap_bearer_release_cplt_t *src);
void free_e1_bearer_context_release_complete(const e1ap_bearer_release_cplt_t *msg);
struct E1AP_E1AP_PDU *encode_E1_bearer_context_mod_request(const e1ap_bearer_mod_req_t *msg);
bool decode_E1_bearer_context_mod_request(const struct E1AP_E1AP_PDU *pdu, e1ap_bearer_mod_req_t *out);
void free_e1ap_context_mod_request(const e1ap_bearer_mod_req_t *msg);
openair2/E1AP/tests/e1ap_lib_test.c
+40
View File
@@ -306,6 +306,45 @@ static void test_bearer_context_release_command(void)
free_e1_bearer_context_release_command(&cp);
}
/** @brief Test E1AP Bearer Context Release Complete encoding/decoding */
static void test_bearer_context_release_complete(void)
{
e1ap_bearer_release_cplt_t orig = {
.gNB_cu_cp_ue_id = 0x1234,
.gNB_cu_up_ue_id = 0x5678,
};
// Encode the original message
E1AP_E1AP_PDU_t *enc = encode_e1_bearer_context_release_complete(&orig);
// E1AP decode the encoded message
E1AP_E1AP_PDU_t *dec = e1ap_encode_decode(enc);
// Free the E1AP encoded message
e1ap_msg_free(enc);
// Decode the encoded message
e1ap_bearer_release_cplt_t decoded = {0};
AssertFatal(decode_e1_bearer_context_release_complete(&decoded, dec), "decode_e1_bearer_context_release_complete failed");
// Free the E1AP decoded message
e1ap_msg_free(dec);
// Equality check original/decoded
AssertFatal(eq_bearer_context_release_complete(&orig, &decoded), "eq_bearer_context_release_complete: decoded message does not match original");
// Free the memory for the decoded message
free_e1_bearer_context_release_complete(&decoded);
// Deep copy and equality check of the original message
e1ap_bearer_release_cplt_t cp = cp_bearer_context_release_complete(&orig);
AssertFatal(eq_bearer_context_release_complete(&orig, &cp), "eq_bearer_context_release_complete(): copied message doesn't match\n");
// Cleanup
free_e1_bearer_context_release_complete(&orig);
free_e1_bearer_context_release_complete(&cp);
}
/**
* @brief Test CU-UP Setup Request encoding/decoding
*/
@@ -717,5 +756,6 @@ int main()
test_bearer_context_modification_response_fail();
// Bearer Context Release
test_bearer_context_release_command();
test_bearer_context_release_complete();
return 0;
}