Issue-ID: SIM-18

[sim/e2-interface.git] / e2sim / e2apv1sim / e2sim / src / X2AP / x2ap_asn_codec.c

diff --git a/e2sim/e2apv1sim/e2sim/src/X2AP/x2ap_asn_codec.c b/e2sim/e2apv1sim/e2sim/src/X2AP/x2ap_asn_codec.c
new file mode 100644 (file)
index 0000000..959e7ef
--- /dev/null
+++ b/e2sim/e2apv1sim/e2sim/src/X2AP/x2ap_asn_codec.c
@@ -0,0 +1,64 @@
+/*
+ *
+ * Copyright 2019 AT&T Intellectual Property
+ * Copyright 2019 Nokia
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include "x2ap_asn_codec.h"
+#include "per_decoder.h"
+#include "per_encoder.h"
+
+/* Encode X2AP PDU ASN1 buffer*/
+int X2AP_ASN_encode(X2AP_PDU_t *pdu, uint8_t **buffer, uint32_t *len)
+{
+  ssize_t    encoded;
+
+  assert(pdu != NULL);
+  assert(buffer != NULL);
+  assert(len != NULL);
+
+  encoded = aper_encode_to_new_buffer(&asn_DEF_X2AP_PDU, 0, pdu, (void **)buffer);
+
+  if (encoded < 0)
+  {
+    return -1;
+  }
+
+  *len = encoded;
+
+  ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_X2AP_PDU, pdu);
+  return encoded;
+}
+
+/* Decode XASN1 buffer to X2AP PDU*/
+int X2AP_ASN_decode(X2AP_PDU_t *pdu, const uint8_t *const buffer, const int len)
+{
+  asn_dec_rval_t dec_ret;
+
+  assert(buffer != NULL);
+
+  dec_ret = aper_decode(NULL, &asn_DEF_X2AP_PDU, (void **)&pdu, buffer,
+                    len, 0, 0);
+
+  //xer_fprint(stdout, &asn_DEF_X2AP_PDU, pdu);
+
+  if (dec_ret.code != RC_OK) {
+    fprintf(stderr, "ERROR: Failed to decode pdu\n");
+    return -1;
+  }
+
+  return 0;
+}