TSG-13500 tsg-service-chaining-engine扫描策略

common/src/utils.cpp

@@ -0,0 +1,63 @@
+#include <string.h>
+#include <assert.h>
+
+#include "utils.h"
+#include "log.h"
+
+void fixed_num_array_init(struct fixed_num_array *array)
+{
+    memset(array, 0, sizeof(fixed_num_array));
+    array->num = 0;
+    array->size = sizeof(array->elems) / sizeof(array->elems[0]);
+}
+
+void fixed_num_array_add_elem(struct fixed_num_array *array, int elem)
+{
+    if (array->num < array->size)
+    {
+        array->elems[array->num] = elem;
+        array->num++;
+    }
+    else
+    {
+        LOG_ERROR("%s: fixed num array add elem too much !!!", LOG_TAG_UTILS);
+    }
+}
+
+void fixed_num_array_del_elem(struct fixed_num_array *array, int elem)
+{
+    for (int i = 0; i < array->num; i++)
+    {
+        if (array->elems[i] == elem)
+        {
+            if (i + 1 != array->size)
+            {
+                memmove(&(array->elems[i]), &(array->elems[i + 1]), sizeof(array->elems[0]) * (array->num - i - 1));
+            }
+            i--;
+            array->num--;
+        }
+    }
+}
+
+int fixed_num_array_count_elem(struct fixed_num_array *array)
+{
+    if (array)
+    {
+        return array->num;
+    }
+    else
+    {
+        return 0;
+    }
+}
+
+int fixed_num_array_index_elem(struct fixed_num_array *array, int index)
+{
+    if (index >= array->num)
+    {
+        assert(0);
+    }
+
+    return array->elems[index];
+}