add decode and encode for registration accept

2020-10-28 05:59:58 +00:00
parent ca4e85553f
commit f2bb26a91b
5 changed files with 175 additions and 0 deletions
@@ -0,0 +1,49 @@
+/*! \file RegistrationAccept.c
+
+\brief 5GS registration accept procedures
+\author Yoshio INOUE, Masayuki HARADA
+\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
+\date 2020
+\version 0.1
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+
+#include "TLVEncoder.h"
+#include "TLVDecoder.h"
+#include "RegistrationAccept.h"
+#include "assertions.h"
+
+int decode_registration_accept(registration_accept_msg *registration_accept, uint8_t *buffer, uint32_t len)
+{
+  uint32_t decoded = 0;
+  int decoded_result = 0;
+
+  /* Decoding mandatory fields */
+  if ((decoded_result = decode_fgs_registration_result(&registration_accept->fgsregistrationresult, 0, *(buffer + decoded), len - decoded)) < 0)
+    return decoded_result;
+
+  decoded += decoded_result;
+
+  // todo ,Decoding optional fields
+  return decoded;
+}
+
+int encode_registration_accept(registration_accept_msg *registration_accept, uint8_t *buffer, uint32_t len)
+{
+  int encoded = 0;
+
+  LOG_FUNC_IN;
+
+
+  *(buffer + encoded) = encode_fgs_registration_result(&registration_accept->fgsregistrationresult);
+  encoded = encoded + 2;
+
+  // todo ,Encoding optional fields
+  LOG_FUNC_RETURN(encoded);
+}
+
@@ -0,0 +1,45 @@
+/*! \file RegistrationAccept.h
+
+\brief 5GS registration accept procedures
+\author Yoshio INOUE, Masayuki HARADA
+\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
+\date 2020
+\version 0.1
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+
+#include "ExtendedProtocolDiscriminator.h"
+#include "SecurityHeaderType.h"
+#include "SpareHalfOctet.h"
+#include "MessageType.h"
+#include "FGSRegistrationResult.h"
+
+#ifndef REGISTRATION_ACCEPT_H_
+#define REGISTRATION_ACCEPT_H_
+
+/*
+ * Message name: Registration accept
+ * Description: The REGISTRATION ACCEPT message is sent by the AMF to the UE. See table 8.2.7.1.1.
+ * Significance: dual
+ * Direction: network to UE
+ */
+
+typedef struct registration_accept_msg_tag {
+  /* Mandatory fields */
+  ExtendedProtocolDiscriminator           protocoldiscriminator;
+  SecurityHeaderType                      securityheadertype:4;
+  SpareHalfOctet                          sparehalfoctet:4;
+  MessageType                             messagetype;
+  FGSRegistrationResult                   fgsregistrationresult;
+} registration_accept_msg;
+
+int decode_registration_accept(registration_accept_msg *registrationaccept, uint8_t *buffer, uint32_t len);
+
+int encode_registration_accept(registration_accept_msg *registrationaccept, uint8_t *buffer, uint32_t len);
+
+#endif /* ! defined(REGISTRATION_ACCEPT_H_) */
+