public void PingCompleate(object sender, PingCompletedEventArgs e)
{
Log_Verb("Ping Complete");
PingData seq = (PingData)e.UserState;
PingReply rep = e.Reply;
Ping ping = (Ping)sender;
lock (sentry)
{
pings.Remove(ping);
ping.Dispose();
switch (rep.Status)
{
case IPStatus.Success:
ICMP retICMP = new ICMP(seq.Data);
retICMP.HeaderData = seq.HeaderData;
retICMP.Type = 0; //echo reply
recvBuff.Add(retICMP);
break;
default:
//ping failed
open -= 1;
if (open == 0)
{
RaiseEventConnectionClosed();
}
break;
}
}
}
public IPPacket(ICMP icmpkt)
{
if ((icmpkt.Data[0] & 0xF0) == (4 << 4))
{
ReadBuffer(icmpkt.Data, 0, icmpkt.Data.Length, true);
}
else
{
//RE Outbreak creates malformed ICMP packets
//the data in them is usable, but it's in the
//wrong place, search for it.
//This issue occurs on real hardware, so it's
//not an emulation issue.
Log_Error("Malformed ICMP Packet");
int off = 1;
while ((icmpkt.Data[off] & 0xF0) != (4 << 4))
{
off += 1;
}
Log_Error("Payload delayed " + off + " bytes");
ReadBuffer(icmpkt.Data, off, icmpkt.Data.Length, true);
}
}
public IPPacket(ICMP icmpkt)
{
ReadBuffer(icmpkt.Data, 0, icmpkt.Data.Length);
}