private void LoopCallback(IntPtr param, IntPtr header, IntPtr pkt_data)
{
Marshal.PtrToStringAnsi(param);
dotnetWinpCap.pcap_pkthdr _pkthdr1 = (dotnetWinpCap.pcap_pkthdr)Marshal.PtrToStructure(header, typeof(dotnetWinpCap.pcap_pkthdr));
byte[] buffer1 = new byte[_pkthdr1.caplen];
Marshal.Copy(pkt_data, buffer1, 0, (int)_pkthdr1.caplen);
Marshal.PtrToStringAnsi(pkt_data);
}
private dotnetWinpCap.PCAP_NEXT_EX_STATE ReadNextInternal(out PacketHeader p, out byte[] packet_data, out IntPtr pkthdr, out IntPtr pktdata)
{
pkthdr = IntPtr.Zero;
pktdata = IntPtr.Zero;
p = null;
packet_data = null;
if (this.pcap_t.ToInt32() == 0)
{
this.errbuf = new StringBuilder("No adapter is currently open");
return(dotnetWinpCap.PCAP_NEXT_EX_STATE.ERROR);
}
switch (dotnetWinpCap.pcap_next_ex(this.pcap_t, ref pkthdr, ref pktdata))
{
case 0:
return(dotnetWinpCap.PCAP_NEXT_EX_STATE.TIMEOUT);
case 1:
{
dotnetWinpCap.pcap_pkthdr _pkthdr1 = (dotnetWinpCap.pcap_pkthdr)Marshal.PtrToStructure(pkthdr, typeof(dotnetWinpCap.pcap_pkthdr));
p = new PacketHeader();
p.Caplength = (int)_pkthdr1.caplen;
p.Length = (int)_pkthdr1.len;
p.ts = _pkthdr1.ts;
packet_data = new byte[p.Length];
Marshal.Copy(pktdata, packet_data, 0, p.Length);
return(dotnetWinpCap.PCAP_NEXT_EX_STATE.SUCCESS);
}
case -1:
return(dotnetWinpCap.PCAP_NEXT_EX_STATE.ERROR);
case -2:
return(dotnetWinpCap.PCAP_NEXT_EX_STATE.EOF);
}
return(dotnetWinpCap.PCAP_NEXT_EX_STATE.UNKNOWN);
}
