internal PingReply(IcmpEchoReply reply)
{
address = new IPAddress((long) reply.address);
ipStatus = (IPStatus) reply.status;
options = new PingOptions(reply);
if (this.ipStatus == IPStatus.Success)
{
rtt = reply.roundTripTime;
buffer = new byte[reply.dataSize];
Marshal.Copy(reply.data, this.buffer, 0, reply.dataSize);
}
else
{
buffer = new byte[0];
}
}
internal PingReply(IcmpEchoReply reply)
{
address = new IPAddress((long)reply.address);
ipStatus = (IPStatus)reply.status;
options = new PingOptions(reply);
if (this.ipStatus == IPStatus.Success)
{
rtt = reply.roundTripTime;
buffer = new byte[reply.dataSize];
Marshal.Copy(reply.data, this.buffer, 0, reply.dataSize);
}
else
{
buffer = new byte[0];
}
}
private PingReply InternalSend(IPAddress address, byte [] buffer, int timeout, PingOptions options)
{
if (_handlePingV4 == IntPtr.Zero)
{
_handlePingV4 = IcmpCreateFile();
}
if (_replyBuffer == IntPtr.Zero)
{
_replyBuffer = MarshalEx.AllocHLocal(0xffff);
}
IPOptions ipo = new IPOptions(options);
InitStructure(buffer);
IcmpSendEcho2(_handlePingV4, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, (uint)address.Address, _requestBuffer, (ushort)buffer.Length, ref ipo, _replyBuffer, 0xffff, (uint)timeout);
FreeStructure();
IcmpEchoReply reply = (IcmpEchoReply)Marshal.PtrToStructure(this._replyBuffer, typeof(IcmpEchoReply));
return(new PingReply(reply));
}
internal PingOptions(IcmpEchoReply reply)
{
ttl = reply.ttl;
dontFragment = (reply.flags & IPOptions.DontFragmentFlag) > 0;
}
internal PingOptions(IcmpEchoReply reply)
{
ttl = reply.ttl;
dontFragment = (reply.flags & IPOptions.DontFragmentFlag) > 0;
}