void PacketSender::send_l2(PDU &pdu, struct sockaddr* link_addr,
uint32_t len_addr, const NetworkInterface &iface)
{
int sock = get_ether_socket(iface);
PDU::serialization_type buffer = pdu.serialize();
if(!buffer.empty()) {
#if defined(BSD) || defined(__FreeBSD_kernel__)
if(::write(sock, &buffer[0], buffer.size()) == -1)
#else
if(::sendto(sock, &buffer[0], buffer.size(), 0, link_addr, len_addr) == -1)
#endif
throw socket_write_error(make_error_string());
}
}
void PacketWriter::write(PDU &pdu) {
PDU::serialization_type buffer = pdu.serialize();
timeval tm;
#ifndef _WIN32
gettimeofday(&tm, 0);
#else
// fixme
tm = timeval();
#endif
struct pcap_pkthdr header = {
tm,
static_cast<bpf_u_int32>(buffer.size()),
static_cast<bpf_u_int32>(buffer.size())
};
pcap_dump((u_char*)dumper, &header, &buffer[0]);
}
bool OfflinePacketFilter::matches_filter(PDU& pdu) const {
PDU::serialization_type buffer = pdu.serialize();
return matches_filter(&buffer[0], static_cast<uint32_t>(buffer.size()));
}