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-rw-r--r--src/lib/ndpi_filter.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/src/lib/ndpi_filter.c b/src/lib/ndpi_filter.c
new file mode 100644
index 000000000..872694629
--- /dev/null
+++ b/src/lib/ndpi_filter.c
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+/*
+ * ndpi_filter.c
+ *
+ * Copyright (C) 2011-23 - ntop.org and contributors
+ *
+ * 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/binaryfusefilter.h"
+
+/* ******************************************* */
+
+ndpi_filter* ndpi_filter_alloc(uint32_t elements_number) {
+ binary_fuse8_t *filter = (binary_fuse8_t*)ndpi_malloc(sizeof(binary_fuse8_t));
+
+ if(filter == NULL) return(NULL);
+
+ if(!binary_fuse8_allocate(elements_number, filter)) {
+ ndpi_free(filter);
+ return(NULL);
+ } else
+ return((ndpi_filter*)filter);
+}
+
+/* ******************************************* */
+
+bool ndpi_filter_add(ndpi_filter *f, uint64_t value) {
+ if(!f)
+ return(false);
+ else {
+ binary_fuse8_t *filter = (binary_fuse8_t*)f;
+
+ return(binary_fuse8_populate(&value, 1, filter));
+ }
+}
+
+/* ******************************************* */
+
+bool ndpi_filter_contains(ndpi_filter *f, uint64_t value) {
+ if(!f)
+ return(false);
+ else {
+ binary_fuse8_t *filter = (binary_fuse8_t*)f;
+
+ return(binary_fuse8_contain(value, filter));
+ }
+}
+
+/* ******************************************* */
+
+void ndpi_filter_free(ndpi_filter *f) {
+ if(f != NULL) {
+ binary_fuse8_t *filter = (binary_fuse8_t*)f;
+
+ binary_fuse8_free(filter);
+ ndpi_free(filter);
+ }
+}
+