public static PingResult SendIcmp(IPAddress address, int timeout = 5000)
{
Ping ping = new Ping();
var reply = ping.Send(address, timeout);
var result = PingResult.FromPingReply(reply);
if (result.Address == null || result.Address.Equals(IPAddress.Any))
{
result.Address = address;
}
return(result);
}
public static Task <PingResult> SendIcmpAsync(IPAddress address, int timeout = 5000)
{
var tcs = new TaskCompletionSource <PingResult>();
Ping ping = new Ping();
ping.PingCompleted += (obj, sender) => {
var ad = sender.UserState as IPAddress;
var result = PingResult.FromPingReply(sender.Reply);
if (result.Address == null || result.Address.Equals(IPAddress.Any))
{
result.Address = ad;
}
tcs.SetResult(result);
};
ping.SendAsync(address, timeout, address);
return(tcs.Task);
}
public static PingResult FromPingReply(PingReply reply)
{
if (reply == null)
{
return(new PingResult()
{
Status = IPStatus.Unknown,
});
}
PingResult result = new PingResult()
{
Address = reply.Address,
Buffer = reply.Buffer,
Options = reply.Options,
RoundtripTime = reply.RoundtripTime,
Status = reply.Status,
};
return(result);
}
public static PingResult SendUdp(IPAddress address, int port, int timeout = 5000)
{
UdpClient client = new UdpClient();
client.Client.ReceiveTimeout = timeout;
IPEndPoint remoteEndPoint = new IPEndPoint(address, port);
byte[] data = BitConverter.GetBytes(DateTime.Now.Ticks);
client.Send(data, data.Length, remoteEndPoint);
PingResult result = new PingResult()
{
Address = address,
Status = IPStatus.TimedOut,
};
try {
var response = client.Receive(ref remoteEndPoint);
if (response != null)
{
var ticks = BitConverter.ToInt64(response, 0);
var roundtripTime = (long)TimeSpan.FromTicks(DateTime.Now.Ticks - ticks).TotalMilliseconds;
result = new PingResult()
{
Address = address,
Buffer = response,
RoundtripTime = roundtripTime,
Status = IPStatus.Success,
};
return(result);
}
} catch (Exception ex) {
}
return(result);
}