46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
#include "pcapthread.h"
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#include <QDateTime>
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#include <QDebug>
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CapThread::CapThread(struct pcap *pcap, QObject *parent) : QThread(parent), pcap(pcap) {
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connect(this, &QThread::finished, this, &QThread::deleteLater);
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}
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void CapThread::run() {
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pcap_pkthdr *header;
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const u_char *data;
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int res;
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while((res = pcap_next_ex(pcap, &header, &data)) >= 0) {
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if(res == 0) continue; //超时
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packet.time = QDateTime::fromSecsSinceEpoch(header->ts.tv_sec).toString("yy-MM-dd HH:mm:ss.")+QString::number(header->ts.tv_usec);
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packet.len = header->len;
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packet.caplen = header->caplen;
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//输出编号、时间戳和包长度
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qDebug()<<packet.time<<" len:"<<header->caplen<<"/"<<header->len;
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QString data_str;
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char line[LINE_LEN + 1];
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int l = 0;
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for(uint i=0; i<header->caplen; i++) {
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data_str.append(QString::asprintf("%.2x ", data[i]));
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if(i > 13) {
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if(isgraph(data[i]) || data[i] == ' ') line[l] = data[i];
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else line[l] = '.';
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if(l==15) {
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line[16] = '\0';
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data_str.append(" ");
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data_str.append(line);
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data_str.append("\n");
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memset(line, 0, LINE_LEN);
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l = 0;
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} else l++;
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} else if(i == 13) {
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data_str.append("\n");
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}
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}
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packet.data = data_str;
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qDebug()<<packet.data.toUtf8().constData();
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emit onMsg();
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}
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qDebug("Error reading the packets: %s\n", pcap_geterr(pcap));
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}
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