source: trunk/ETSI-Testsuites/ETSI_auto_IOT/adapter/src/Capture/PCAPLiveCapture.cpp

/**
 * @file PCAPLiveCapture.cpp
 * @author Tomas Urban
 * @version 0.4
 * @date 23/07/2009
 */
#include <boost/tokenizer.hpp>
#include "PCAPLiveCapture.h"
#include "Logger/Logger.h"
#include <ctime>

PCAPLiveCapture::PCAPLiveCapture()
{
}

PCAPLiveCapture::~PCAPLiveCapture(void)
{
}

ECaptureInitResult PCAPLiveCapture::OpenDevice(const std::string sParams)
{
        CloseDevice();
        int nCounter = 1;
        const char * pszData = sParams.c_str();
        for (int i = 0; pszData[i]; i++)
                if (pszData[i] == ';')
                        ++nCounter;

        pcap_t ** tmpBuf = new pcap_t*[nCounter];
        
        std::string sTmp = sParams;     
        boost::char_separator<char> sep(";");
        boost::tokenizer<boost::char_separator<char> > tokens(sTmp, sep);
        nCounter = 0;
        ECaptureInitResult res = ECaptureInit_Successful;
        for(boost::tokenizer<boost::char_separator<char> >::iterator it = tokens.begin(); 
                it != tokens.end(); ++it)
        {
                pcap_t * pHandle = OpenPcapSource(it->c_str());
                if (pHandle)
                        tmpBuf[nCounter++] = pHandle;
                else
                {
                        std::string s = "Failed to open adapter \"";
                        s += *it;
                        s += "\" for packet capture.";
                        Logger::Instance().LogWarning(s);
                        res = ECaptureInit_PartiallySuccessful;
                }
        }

        bool bRes = true;
        if (nCounter > 0)
        {
                SetPcapHandles(tmpBuf, nCounter);
                std::string s = boost::lexical_cast<std::string>(nCounter);
                s += " adapter(s) available for packet capture";
                Logger::Instance().LogInfo(s);
                timeval timestamp;
                timestamp.tv_usec = 0;
#ifdef WIN32
                timestamp.tv_sec = static_cast<long>(time(0));
#else
                timestamp.tv_sec = time(0);
#endif
                SetStartPoint(timestamp);
        }
        else
        {
                Logger::Instance().LogError("No adapter available for packet capture");
                res = ECaptureInit_Failed;
        }
        delete tmpBuf;
        return res;
}

bool PCAPLiveCapture::SetCaptureFile(const std::string sFile)
{
        return InitCaptureFile(sFile);
}