72 lines
2.2 KiB
C#
72 lines
2.2 KiB
C#
// /**
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// * File: ICMP.cs
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// * Author: haraldwolff
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// *
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// * This file and it's content is copyrighted by the Author and / or copyright holder.
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// * Any use wihtout proper permission is illegal and may lead to legal actions.
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// *
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// *
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// **/
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using System;
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using System.Net.NetworkInformation;
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using ln.skyscanner.crawl.service;
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namespace ln.skyscanner.crawl.tests
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{
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public class ICMP : CrawlService
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{
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public ICMP()
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:base("ping")
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{}
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public override bool Check(Crawl crawl)
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{
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using (Ping ping = new Ping())
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{
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int nSuccess = 0;
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long roundTripTime = 0;
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for (int n = 0; n < 10; n++)
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{
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//HostCrawl.setState("ICMP check [{0}/10]", n);
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PingReply pingReply = ping.Send(crawl.Host.PrimaryIP, 500);
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if (pingReply.Status == IPStatus.Success)
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{
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nSuccess++;
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roundTripTime += pingReply.RoundtripTime;
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}
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else if ((n > 3) && (nSuccess == 0))
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{
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break;
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}
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}
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if (nSuccess > 0)
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{
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roundTripTime /= nSuccess;
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crawl.Host.SetHint("ping.success", true);
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crawl.Host.SetHint("ping.rta", (int)roundTripTime);
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crawl.Host.SetHint("ping.out_of_ten", nSuccess);
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crawl.Host.LastSeen = DateTime.Now;
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if (crawl.Host.FirstSeen < new DateTime(1970, 1, 2))
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crawl.Host.FirstSeen = DateTime.Now;
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}
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else
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{
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crawl.Host.SetHint("ping.success", false);
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crawl.Host.SetHint("ping.rta", null);
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crawl.Host.SetHint("ping.out_of_ten", 0);
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}
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}
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return true;
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}
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public override bool HostProvidesOption(Crawl crawl, params object[] parameters)
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{
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return crawl.Host.GetHint("ping.success", false);
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}
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}
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}
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