1 files changed, 101 insertions, 0 deletions
diff --git a/src/lib/ndpi_bitmap.c b/src/lib/ndpi_bitmap.c
new file mode 100644
index 000000000..7e5a0dbf9
--- /dev/null
+++ b/src/lib/ndpi_bitmap.c
@@ -0,0 +1,101 @@
+/*
+ * ndpi_utils.c
+ *
+ * Copyright (C) 2011-21 - ntop.org
+ *
+ * This file is part of nDPI, an open source deep packet inspection
+ * library based on the OpenDPI and PACE technology by ipoque GmbH
+ *
+ * nDPI is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * nDPI is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with nDPI.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#include <stdlib.h>
+#include <errno.h>
+#include <math.h>
+#include <sys/types.h>
+
+
+#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_UNKNOWN
+
+#include "ndpi_config.h"
+#include "ndpi_api.h"
+#include "ndpi_includes.h"
+#include "ndpi_encryption.h"
+
+#include "third_party/include/roaring.h"
+#include "third_party/src/roaring.cc"
+
+/* ******************************************* */
+
+ndpi_bitmap* ndpi_bitmap_alloc() {
+  return((ndpi_bitmap*)roaring_bitmap_create());
+}
+
+/* ******************************************* */
+
+void ndpi_bitmap_free(ndpi_bitmap* b) {
+  roaring_bitmap_free((const roaring_bitmap_t *)b);
+}
+
+/* ******************************************* */
+
+u_int64_t ndpi_bitmap_cardinality(ndpi_bitmap* b) {
+  return(roaring_bitmap_get_cardinality((const roaring_bitmap_t *)b));
+}
+
+/* ******************************************* */
+
+void ndpi_bitmap_set(ndpi_bitmap* b, u_int32_t value) {
+  roaring_bitmap_add((roaring_bitmap_t *)b, value);
+}
+
+/* ******************************************* */
+
+void ndpi_bitmap_unset(ndpi_bitmap* b, u_int32_t value) {
+  roaring_bitmap_remove((roaring_bitmap_t *)b, value);
+}
+
+/* ******************************************* */
+
+bool ndpi_bitmap_isset(ndpi_bitmap* b, u_int32_t value) {
+  return(roaring_bitmap_contains((const roaring_bitmap_t *)b, value));
+}
+
+/* ******************************************* */
+
+void ndpi_bitmap_clear(ndpi_bitmap* b) {
+  roaring_bitmap_clear((roaring_bitmap_t *)b);
+}
+
+/* ******************************************* */
+
+size_t ndpi_bitmap_serialize(ndpi_bitmap* b, char **buf) {
+  const roaring_bitmap_t *r = (const roaring_bitmap_t *)b;
+  size_t s = roaring_bitmap_size_in_bytes(r);
+
+  *buf = (char*)ndpi_malloc(s);
+
+  if((*buf) == NULL) return(0);
+
+  return(roaring_bitmap_serialize(r, *buf));
+  
+}
+
+/* ******************************************* */
+
+ndpi_bitmap* ndpi_bitmap_deserialize(char *buf) {
+  return((ndpi_bitmap*)roaring_bitmap_deserialize(buf));
+}