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/*
// 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 _PCAPREADER_H_
#define _PCAPREADER_H_
#include <inttypes.h>
#include <string>
#include <pcap.h>
#include "pcappkt.hpp"
using namespace std;
class PcapReader {
public:
PcapReader() : m_handle(NULL), pktReadCount(0) {}
int open(const string& file_path);
size_t pos() {return ftell(pcap_file(m_handle)) - m_file_beg;}
size_t end() {return m_file_end;}
int read(PcapPkt *pkt);
int readOnce(PcapPkt *pkt, uint64_t pos);
size_t getPktReadCount() const {return pktReadCount;}
void close();
const string &getError() const {return m_error;}
private:
pcap_t *m_handle;
size_t m_file_beg;
size_t m_file_end;
size_t pktReadCount;
string m_error;
};
#endif /* _PCAPREADER_H_ */
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