/**

 * FreeRDP: A Remote Desktop Protocol Implementation

 * pcap File Format Utils

 *

 * Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>

 *

 * 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 FREERDP_UTILS_PCAP_H

#define FREERDP_UTILS_PCAP_H

#include <freerdp/api.h>

#include <freerdp/types.h>

struct _pcap_header

{

	UINT32 magic_number;  /* magic number */

	UINT16 version_major; /* major version number */

	UINT16 version_minor; /* minor version number */

	INT32 thiszone;       /* GMT to local correction */

	UINT32 sigfigs;       /* accuracy of timestamps */

	UINT32 snaplen;       /* max length of captured packets, in octets */

	UINT32 network;       /* data link type */

};

typedef struct _pcap_header pcap_header;

struct _pcap_record_header

{

	UINT32 ts_sec;   /* timestamp seconds */

	UINT32 ts_usec;  /* timestamp microseconds */

	UINT32 incl_len; /* number of octets of packet saved in file */

	UINT32 orig_len; /* actual length of packet */

};

typedef struct _pcap_record_header pcap_record_header;

typedef struct _pcap_record pcap_record;

struct _pcap_record

{

	pcap_record_header header;

	void* data;

	UINT32 length;

	pcap_record* next;

};

struct rdp_pcap

{

	FILE* fp;

	char* name;

	BOOL write;

	INT64 file_size;

	int record_count;

	pcap_header header;

	pcap_record* head;

	pcap_record* tail;

	pcap_record* record;

};

typedef struct rdp_pcap rdpPcap;

#ifdef __cplusplus

extern "C"

{

#endif

	FREERDP_API rdpPcap* pcap_open(char* name, BOOL write);

	FREERDP_API void pcap_close(rdpPcap* pcap);

	FREERDP_API BOOL pcap_add_record(rdpPcap* pcap, void* data, UINT32 length);

	FREERDP_API BOOL pcap_has_next_record(rdpPcap* pcap);

	FREERDP_API BOOL pcap_get_next_record(rdpPcap* pcap, pcap_record* record);

	FREERDP_API BOOL pcap_get_next_record_header(rdpPcap* pcap, pcap_record* record);

	FREERDP_API BOOL pcap_get_next_record_content(rdpPcap* pcap, pcap_record* record);

	FREERDP_API void pcap_flush(rdpPcap* pcap);

#ifdef __cplusplus

}

#endif

#endif /* FREERDP_UTILS_PCAP_H */