int PcapLiveDevice::sendPackets(const RawPacketVector& rawPackets)
{
int packetsSent = 0;
for (RawPacketVector::ConstVectorIterator iter = rawPackets.begin(); iter != rawPackets.end(); iter++)
{
if (sendPacket(**iter))
packetsSent++;
}
LOG_DEBUG("%d packets sent successfully. %d packets not sent", packetsSent, rawPackets.size()-packetsSent);
return packetsSent;
}
MacAddress getMacAddress(const IPv4Address& ipAddr, PcapLiveDevice* pDevice)
{
// Create an ARP packet and change its fields
Packet arpRequest(500);
MacAddress macSrc = pDevice->getMacAddress();
MacAddress macDst(0xff, 0xff, 0xff, 0xff, 0xff, 0xff);
EthLayer ethLayer(macSrc, macDst, (uint16_t)PCPP_ETHERTYPE_ARP);
ArpLayer arpLayer(ARP_REQUEST,
pDevice->getMacAddress(),
pDevice->getMacAddress(),
pDevice->getIPv4Address(),
ipAddr);
arpRequest.addLayer(ðLayer);
arpRequest.addLayer(&arpLayer);
arpRequest.computeCalculateFields();
//setup arp reply filter
ArpFilter arpFilter(ARP_REPLY);
pDevice->setFilter(arpFilter);
//send the arp request and wait for arp reply
pDevice->sendPacket(&arpRequest);
RawPacketVector capturedPackets;
pDevice->startCapture(capturedPackets);
PCAP_SLEEP(2);
pDevice->stopCapture();
if (capturedPackets.size() < 1)
{
printf("No arp reply was captured. Couldn't retrieve MAC address for IP %s\n", ipAddr.toString().c_str());
return MacAddress("");
}
//parse arp reply and extract the MAC address
Packet arpReply(capturedPackets.front());
if (arpReply.isPacketOfType(ARP))
{
return arpReply.getLayerOfType<ArpLayer>()->getSenderMacAddress();
}
printf("No arp reply was captured. Couldn't retrieve MAC address for IP %s\n", ipAddr.toString().c_str());
return MacAddress("");
}
int PfRingDevice::sendPackets(const RawPacketVector& rawPackets)
{
int packetsSent = 0;
for (RawPacketVector::ConstVectorIterator iter = rawPackets.begin(); iter != rawPackets.end(); iter++)
{
if (!sendData((*iter)->getRawDataReadOnly(), (*iter)->getRawDataLen(), false))
break;
else
packetsSent++;
}
// The following method isn't supported in PF_RING aware drivers, probably only in DNA and ZC
pfring_flush_tx_packets(m_PfRingDescriptors[0]);
LOG_DEBUG("%d out of %d raw packets were sent successfully", packetsSent, rawPackets.size());
return packetsSent;
}