static async Task PingAndUpdateAsync(string ip, PingResult pr)
{
using var ping = new System.Net.NetworkInformation.Ping();
Interlocked.Increment(ref pr.IpsPinged);
var reply = await ping.SendPingAsync(ip, 500);
if (reply.Status == System.Net.NetworkInformation.IPStatus.Success)
{
pr.OnlineIps[reply.Address] = true;
}
}
public static async Task <PingResult> PingAllAsync(IPAddress subnet)
{
var tasks = new List <Task>();
// NOTE: This is extremely lame but works for now...
var baseIp = String.Join('.', subnet.ToString().Split('.').Take(3)) + ".";
var pr = new PingResult();
var sw = Stopwatch.StartNew();
for (var i = 2; i < 255; i++)
{
var task = PingAndUpdateAsync(baseIp + i, pr);
tasks.Add(task);
}
await Task.WhenAll(tasks).ContinueWith(t => { pr.Elapsed = sw.Elapsed; });
return(pr);
}
public static PingResult PingAll(IPAddress subnet)
{
// NOTE: This is extremely lame but works for now...
var baseIp = String.Join('.', subnet.ToString().Split('.').Take(3)) + ".";
var pr = new PingResult();
var sw = Stopwatch.StartNew();
Parallel.For((long)2, 255, i =>
{
using var p = new Ping();
Interlocked.Increment(ref pr.IpsPinged);
var ip = IPAddress.Parse(baseIp + i);
var result = p.Send(ip, 200);
if (result?.Status == IPStatus.Success)
{
pr.OnlineIps[ip] = true;
}
});
pr.Elapsed = sw.Elapsed;
return(pr);
}
