pcap_writer.h

// Copyright 2013 Velodyne Acoustics, Inc.
//
// 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.
/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkPacketFileWriter.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
// .NAME vtkPacketFileWriter -
// .SECTION Description
//

#ifndef PCAP_WRITER_H
#define PCAP_WRITER_H

#include "network_packet.h"
#include "pcap.h"

#include <pcap.h>
#include <string>
#include <vector>

class PcapWriter
{
public:
    PcapWriter();

    ~PcapWriter();

    bool Open(const std::string& filename);

    bool IsOpen();

    void Close();

    const std::string& GetLastError();

    const std::string& GetFileName();

    bool WritePacket(const NetworkPacket& packet);
    bool WritePacket(pcap_pkthdr* packetHeader, const unsigned char* packetData);

protected:
    pcap_t* PCAPFile;
    pcap_dumper_t* PCAPDump;

    std::string FileName;
    std::string LastError;
};

#endif