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Send deregistration event from AMF to UDM (#1599)

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* [SBI] Fix converting PatchItem to JSON

* [UDR] Add support for endpoint for patching subscription data

Add support for PATCH HTTP method for the following endpoint:
/subscription-data/{ueId}/context-data/amf-3gpp-access

Currently does not change any data in the database.

* [UDM] Add support for endpoint for patching subscription data

Add support for the following endpoint, HTTP PATCH method:
/nudm-uecm/v1/{ueId}/registrations/amf-3gpp-access

The endpoint is used when UE deregisters from the core, and AMF
sends a subscription modification request with "purgeFlag" set.

* [UDM] Add check for same GUAMI when patching subscription data

* [AMF] Send deregistration event to UDM

When UE sends deregistration request, AMF needs to send a
Nudm_UECM_Deregistration request to UDM.
The order of requests is now the following:
- send PDU session release to SMF
- send deregistration event to UDM
- send AM policy control release to PCF
This commit is contained in:
Bostjan Meglic
2022-06-14 16:44:02 +02:00
committed by GitHub
parent 720b4d3c4c
commit 7be7029ac4
15 changed files with 336 additions and 10 deletions
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38
lib/sbi/message.c
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@@ -100,6 +100,9 @@ void ogs_sbi_message_free(ogs_sbi_message_t *message)
if (message->Amf3GppAccessRegistration)
OpenAPI_amf3_gpp_access_registration_free(
message->Amf3GppAccessRegistration);
if (message->Amf3GppAccessRegistrationModification)
OpenAPI_amf3_gpp_access_registration_modification_free(
message->Amf3GppAccessRegistrationModification);
if (message->AccessAndMobilitySubscriptionData)
OpenAPI_access_and_mobility_subscription_data_free(
message->AccessAndMobilitySubscriptionData);
@@ -760,6 +763,10 @@ static char *build_json(ogs_sbi_message_t *message)
item = OpenAPI_amf3_gpp_access_registration_convertToJSON(
message->Amf3GppAccessRegistration);
ogs_assert(item);
} else if (message->Amf3GppAccessRegistrationModification) {
item = OpenAPI_amf3_gpp_access_registration_modification_convertToJSON(
message->Amf3GppAccessRegistrationModification);
ogs_assert(item);
} else if (message->AccessAndMobilitySubscriptionData) {
item = OpenAPI_access_and_mobility_subscription_data_convertToJSON(
message->AccessAndMobilitySubscriptionData);
@@ -1098,13 +1105,30 @@ static int parse_json(ogs_sbi_message_t *message,
CASE(OGS_SBI_RESOURCE_NAME_REGISTRATIONS)
SWITCH(message->h.resource.component[2])
CASE(OGS_SBI_RESOURCE_NAME_AMF_3GPP_ACCESS)
message->Amf3GppAccessRegistration =
OpenAPI_amf3_gpp_access_registration_parseFromJSON(
item);
if (!message->Amf3GppAccessRegistration) {
rv = OGS_ERROR;
ogs_error("JSON parse error");
}
SWITCH(message->h.method)
CASE(OGS_SBI_HTTP_METHOD_PUT)
message->Amf3GppAccessRegistration =
OpenAPI_amf3_gpp_access_registration_parseFromJSON(
item);
if (!message->Amf3GppAccessRegistration) {
rv = OGS_ERROR;
ogs_error("JSON parse error");
}
break;
CASE(OGS_SBI_HTTP_METHOD_PATCH)
message->Amf3GppAccessRegistrationModification =
OpenAPI_amf3_gpp_access_registration_modification_parseFromJSON(
item);
if (!message->Amf3GppAccessRegistrationModification) {
rv = OGS_ERROR;
ogs_error("JSON parse error");
}
break;
DEFAULT
rv = OGS_ERROR;
ogs_error("Unknown method [%s]", message->h.method);
END
break;
DEFAULT
rv = OGS_ERROR;