SIM-115: update simulator to use latest E2SM KPM version 3
[sim/e2-interface.git] / e2sim / asn1c / OBJECT_IDENTIFIER_rfill.c
diff --git a/e2sim/asn1c/OBJECT_IDENTIFIER_rfill.c b/e2sim/asn1c/OBJECT_IDENTIFIER_rfill.c
new file mode 100644 (file)
index 0000000..55093c8
--- /dev/null
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2017 Lev Walkin <vlm@lionet.info>.
+ * All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#include <asn_internal.h>
+#include <OBJECT_IDENTIFIER.h>
+
+/*
+ * Generate values from the list of interesting values, or just a random
+ * value up to the upper limit.
+ */
+static asn_oid_arc_t
+OBJECT_IDENTIFIER__biased_random_arc(asn_oid_arc_t upper_bound) {
+    const asn_oid_arc_t values[] = {0, 1, 127, 128, 129, 254, 255, 256};
+    size_t idx;
+
+    switch(asn_random_between(0, 2)) {
+    case 0:
+        idx = asn_random_between(0, sizeof(values) / sizeof(values[0]) - 1);
+        if(values[idx] < upper_bound) {
+            return values[idx];
+        }
+        /* Fall through */
+    case 1:
+        return asn_random_between(0, upper_bound);
+    case 2:
+    default:
+        return upper_bound;
+    }
+}
+
+asn_random_fill_result_t
+OBJECT_IDENTIFIER_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
+                              const asn_encoding_constraints_t *constraints,
+                              size_t max_length) {
+    asn_random_fill_result_t result_ok = {ARFILL_OK, 1};
+    asn_random_fill_result_t result_failed = {ARFILL_FAILED, 0};
+    asn_random_fill_result_t result_skipped = {ARFILL_SKIPPED, 0};
+    OBJECT_IDENTIFIER_t *st;
+    asn_oid_arc_t arcs[5];
+    size_t arcs_len = asn_random_between(2, 5);
+    size_t i;
+
+    (void)constraints;
+
+    if(max_length < arcs_len) return result_skipped;
+
+    if(*sptr) {
+        st = *sptr;
+    } else {
+        st = CALLOC(1, sizeof(*st));
+    }
+
+    arcs[0] = asn_random_between(0, 2);
+    arcs[1] = OBJECT_IDENTIFIER__biased_random_arc(
+        arcs[0] <= 1 ? 39 : (ASN_OID_ARC_MAX - 80));
+    for(i = 2; i < arcs_len; i++) {
+        arcs[i] = OBJECT_IDENTIFIER__biased_random_arc(ASN_OID_ARC_MAX);
+    }
+
+    if(OBJECT_IDENTIFIER_set_arcs(st, arcs, arcs_len)) {
+        if(st != *sptr) {
+            ASN_STRUCT_FREE(*td, st);
+        }
+        return result_failed;
+    }
+
+    *sptr = st;
+
+    result_ok.length = st->size;
+    return result_ok;
+}