1 files changed, 76 insertions, 0 deletions
diff --git a/VNFs/DPPD-PROX/dpi/dpi.h b/VNFs/DPPD-PROX/dpi/dpi.h
new file mode 100644
index 00000000..5ce1015d
--- /dev/null
+++ b/VNFs/DPPD-PROX/dpi/dpi.h
@@ -0,0 +1,76 @@
+/*
+// Copyright (c) 2010-2017 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
+
+#ifndef _DPI_H_
+#define _DPI_H_
+
+#include <sys/time.h>
+#include <inttypes.h>
+#include <stddef.h>
+
+struct flow_info {
+	uint32_t ip_src;
+	uint32_t ip_dst;
+	uint8_t ip_proto;
+	uint16_t port_src;
+	uint16_t port_dst;
+	uint8_t reservered[3];
+} __attribute__((packed));
+
+struct dpi_payload {
+	uint8_t  *payload;
+	uint16_t len;
+	uint16_t client_to_server;
+	struct timeval tv;
+};
+
+struct dpi_engine {
+	/* Returns 0 on success, This function is called from an
+	   arbitrary thread before any other function in this struct
+	   is called. */
+	int (*dpi_init)(uint32_t thread_count, int argc, const char *argv[]);
+	/* Return the size that should be allocated in the flow
+	   table. It is the sizeof(*flow_data) passed to
+	   dpi_process(). */
+	size_t (*dpi_get_flow_entry_size)(void);
+	/* Called before the flow entry is expired. */
+	void (*dpi_flow_expire)(void *flow_data);
+	/* start function called from a DPI thread itself. The opaque
+	   pointer returned here will be passed to dpi_thread_stop and
+	   dpi_process. */
+	void *(*dpi_thread_start)(void);
+	/* Stop function called from a DPI thread itself. */
+	void (*dpi_thread_stop)(void *opaque);
+	/* Processing function to perform actual DPI work. struct
+	   flow_info contains the 5 tuple, flow_data is the entry in
+	   the flow table which has a size specified by
+	   dpi_get_flow_entry_size(). The payload (together with the
+	   time and the direction) is passed through the payload
+	   parameter. DPI results are returned by the results
+	   array. The function returns 0 on success. */
+	int (*dpi_process)(void *opaque, struct flow_info *fi, void *flow_data,
+			   struct dpi_payload *payload, uint32_t results[],
+			   size_t *result_len);
+	/* Called once at cleanup. */
+	void (*dpi_finish)(void);
+	/* Function used for printing. */
+	int (*dpi_print)(const char *fmt, ...);
+};
+
+/* Returns the implementation of a dpi_engine. */
+struct dpi_engine *get_dpi_engine(void);
+
+#endif /* _DPI_H_ */