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diff --git a/src/include/ndpi_classify.h b/src/include/ndpi_classify.h
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+/*
+ *
+ * Copyright (c) 2016 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ *   Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ *
+ *   Neither the name of the Cisco Systems, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/**
+ * \file ndpi_classify.h
+ *
+ * \brief header file for inline Classification functionality
+ */
+
+#ifndef NDPI_CLASSIFY_H
+#define NDPI_CLASSIFY_H
+
+#include <stdint.h>
+#include <sys/time.h>
+
+/* constants */
+#define NUM_PARAMETERS_SPLT_LOGREG 208
+#define NUM_PARAMETERS_BD_LOGREG 464
+#define MC_BINS_LEN 10
+#define MC_BINS_TIME 10
+#define MC_BIN_SIZE_TIME 50
+#define MC_BIN_SIZE_LEN 150
+#define MAX_BIN_LEN 1500
+#define NUM_BD_VALUES 256
+#define NDPI_TIMESTAMP_LEN       64
+
+/** Classifier parameter type codes */
+typedef enum {
+    SPLT_PARAM_TYPE = 0,
+    BD_PARAM_TYPE = 1
+} classifier_type_codes_t;
+
+extern float parameters_bd[NUM_PARAMETERS_BD_LOGREG];
+extern float parameters_splt[NUM_PARAMETERS_SPLT_LOGREG];
+
+/* Classifier functions */
+float ndpi_classify(const unsigned short *pkt_len, const struct timeval *pkt_time,
+       const unsigned short *pkt_len_twin, const struct timeval *pkt_time_twin,
+       struct timeval start_time, struct timeval start_time_twin, uint32_t max_num_pkt_len,
+       uint16_t sp, uint16_t dp, uint32_t op, uint32_t ip, uint32_t np_o, uint32_t np_i,
+       uint32_t ob, uint32_t ib, uint16_t use_bd, const uint32_t *bd, const uint32_t *bd_t);
+
+void ndpi_merge_splt_arrays(const uint16_t *pkt_len, const struct timeval *pkt_time,
+       const uint16_t *pkt_len_twin, const struct timeval *pkt_time_twin,
+       struct timeval start_time, struct timeval start_time_twin,
+       uint16_t s_idx, uint16_t r_idx,
+       uint16_t *merged_lens, uint16_t *merged_times);
+
+void ndpi_update_params(classifier_type_codes_t param_type, const char *param_file);
+
+void ndpi_flow_info_freer(void *node);
+unsigned int ndpi_timer_eq(const struct timeval *a, const struct timeval *b);
+unsigned int ndpi_timer_lt(const struct timeval *a, const struct timeval *b);
+void ndpi_timer_sub(const struct timeval *a, const struct timeval *b, struct timeval *result);
+void ndpi_timer_clear(struct timeval *a);
+unsigned int ndpi_timeval_to_milliseconds(struct timeval ts);
+void ndpi_log_timestamp(char *log_ts);
+
+#endif /* NDPI_CLASSIFY_H */