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comparison ServerMonitor/Objects/PingCheck.cs @ 0:3e1a2131f897

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Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
author Brad Greco <brad@bgreco.net>
date Mon, 31 Dec 2018 18:32:14 -0500
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-1:000000000000 0:3e1a2131f897
1 using System;
2 using System.Collections.Generic;
3 using System.ComponentModel;
4 using System.Linq;
5 using System.Net.NetworkInformation;
6 using System.Text;
7 using System.Threading;
8 using System.Threading.Tasks;
9
10 namespace ServerMonitorApp
11 {
12 [DisplayName("Ping check"), Description("Check if the server responds to a ping request"), DisplayWeight(0)]
13 public class PingCheck : Check
14 {
15 protected async override Task<CheckResult> ExecuteCheckAsync(CancellationToken token)
16 {
17 using (Ping ping = new Ping())
18 {
19 try
20 {
21 PingReply reply = await ping.SendPingAsync(Server.Host, Timeout);
22 if (reply.Status == IPStatus.Success)
23 return Pass(string.Format("Reply received in {0} ms", reply.RoundtripTime));
24 else
25 return Fail("Ping result: " + reply.Status);
26 }
27 catch (PingException e)
28 {
29 return Fail(e);
30 }
31 }
32
33 // Cancellable version that doesn't actulaly work
34 // might be useful as a TaskCompletionSource example though
35 //
36 //TaskCompletionSource<CheckResult> tcs = new TaskCompletionSource<CheckResult
37 //
38 //using (Ping ping = new Ping())
39 //{
40 // token.Register(ping.SendAsyncCancel);
41 // ping.PingCompleted += (sender, e) =>
42 // {
43 // if (e.Error != null)
44 // tcs.SetResult(Fail("Ping failed: " + e.Error.GetBaseException().Message));
45 // else if (e.Reply.Status != IPStatus.Success)
46 // tcs.SetResult(Fail("Ping failed: " + e.Reply.Status.ToString()));
47 // else
48 // tcs.SetResult(Pass("Ping completed in " + e.Reply.RoundtripTime + "ms"));
49 // };
50 // ping.SendAsync(Server.Host, Timeout, null);
51 //}
52
53 //return tcs.Task;
54 }
55 }
56 }