Fix: Disable HTTP KeepAlive
To improve support for proxy servers which do not support this optimisation. See: http://discoict.com.au/forum/support/2013/2/connection-issues,-lwt,-updates-etc.aspx
This commit is contained in:
Gary Sharp
@@ -1,185 +1,198 @@
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Text;
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using System.Threading.Tasks;
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using System.Xml.Linq;
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using System.Xml.Serialization;
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using Disco.Data.Repository;
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using Disco.Models.BI.Interop.Community;
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using Disco.Services.Tasks;
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using Newtonsoft.Json;
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namespace Disco.BI.Interop.Community
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{
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public static class UpdateCheck
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{
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private static string UpdateUrl(DiscoDataContext db)
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{
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// Special case for DiscoCommunity Hosting Network
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try
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{
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var ip = (from addr in Dns.GetHostEntry(Dns.GetHostName()).AddressList
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where addr.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork
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&& addr.ToString().StartsWith("10.131.200.")
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select addr).FirstOrDefault();
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if (ip != null)
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{
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return "http://hades3:9393/base/DiscoUpdate/V1";
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}
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}
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catch (Exception)
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{} // Ignore Errors
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return "http://discoict.com.au/base/DiscoUpdate/V1";
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}
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public static string CurrentDiscoVersion()
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{
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var AssemblyVersion = typeof(UpdateCheck).Assembly.GetName().Version;
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return string.Format("{0}.{1}.{2:0000}.{3:0000}", AssemblyVersion.Major, AssemblyVersion.Minor, AssemblyVersion.Build, AssemblyVersion.Revision);
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}
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public static UpdateResponse Check(DiscoDataContext db, bool UseProxy, ScheduledTaskStatus status = null)
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{
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if (status != null)
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status.UpdateStatus(10, "Building Update Request");
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var request = BuildRequest(db);
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//var requestJson = JsonConvert.SerializeObject(request);
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if (status != null)
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status.UpdateStatus(40, "Sending Request");
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var DiscoBIVersion = CurrentDiscoVersion();
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HttpWebRequest webRequest = (HttpWebRequest)HttpWebRequest.Create(UpdateUrl(db));
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webRequest.ContentType = "application/json";
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webRequest.Method = WebRequestMethods.Http.Post;
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webRequest.UserAgent = string.Format("Disco/{0} (Update)", DiscoBIVersion);
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using (var wrStream = webRequest.GetRequestStream())
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{
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XmlSerializer xml = new XmlSerializer(typeof(UpdateRequestV1));
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xml.Serialize(wrStream, request);
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}
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if (status != null)
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status.UpdateStatus(50, "Waiting for Response");
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using (HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse())
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{
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if (webResponse.StatusCode == HttpStatusCode.OK)
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{
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if (status != null)
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status.UpdateStatus(90, "Reading Response");
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UpdateResponse result;
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using (var wResStream = webResponse.GetResponseStream())
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{
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XmlSerializer xml = new XmlSerializer(typeof(UpdateResponse));
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result = (UpdateResponse)xml.Deserialize(wResStream);
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}
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//var result = JsonConvert.DeserializeObject<UpdateResponse>(responseContent);
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db.DiscoConfiguration.UpdateLastCheck = result;
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db.SaveChanges();
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status.SetFinishedMessage(string.Format("The update server reported Version {0} is the latest.", result.Version));
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return result;
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}
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else
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{
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if (status != null)
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status.SetTaskException(new WebException(string.Format("Server responded with: [{0}] {1}", webResponse.StatusCode, webResponse.StatusDescription)));
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return null;
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}
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}
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}
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private static UpdateRequestV1 BuildRequest(DiscoDataContext db)
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{
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var m = new UpdateRequestV1();
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m.DeploymentId = db.DiscoConfiguration.DeploymentId;
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m.CurrentDiscoVersion = CurrentDiscoVersion();
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m.OrganisationName = db.DiscoConfiguration.OrganisationName;
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m.BroadbandDoeWanId = GetBroadbandDoeWanId();
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m.BetaDeployment = db.DiscoConfiguration.UpdateBetaDeployment;
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m.Stat_JobCounts = db.Jobs.GroupBy(j => j.JobTypeId).Select(g => new Disco.Models.BI.Interop.Community.UpdateRequestV1.Stat { Key = g.Key, Count = g.Count() }).ToList();
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m.Stat_OpenJobCounts = db.Jobs.Where(j => j.ClosedDate == null).GroupBy(j => j.JobTypeId).Select(g => new Disco.Models.BI.Interop.Community.UpdateRequestV1.Stat { Key = g.Key, Count = g.Count() }).ToList();
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var activeThreshold = DateTime.Now.AddDays(-60);
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m.Stat_ActiveDeviceModelCounts = db.DeviceModels.Select(dm => new Disco.Models.BI.Interop.Community.UpdateRequestV1.Stat { Key = dm.Manufacturer + ";" + dm.Model, Count = dm.Devices.Count(d => d.DecommissionedDate == null && (d.LastNetworkLogonDate == null || d.LastNetworkLogonDate > activeThreshold)) }).ToList();
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m.Stat_UserCounts = db.Users.GroupBy(u => u.Type).Select(g => new Disco.Models.BI.Interop.Community.UpdateRequestV1.Stat { Key = g.Key, Count = g.Count() }).ToList();
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return m;
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}
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#region DoE Query
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public static string GetBroadbandDoeWanId()
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{
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// DnsQuery for broadband.doe.wan
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IPHostEntry doeWanDnsEntry;
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try
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{
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doeWanDnsEntry = Dns.GetHostEntry("broadband.doe.wan");
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}
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catch (Exception)
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{ return null; } // Fail on error
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// Try using IPSearch feature
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XDocument doeWanIPSearchResult = TryDownloadDoeIPSearch(false);
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if (doeWanIPSearchResult == null)
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doeWanIPSearchResult = TryDownloadDoeIPSearch(true);
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if (doeWanIPSearchResult == null)
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return null;
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try
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{
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return doeWanIPSearchResult.Element("resultset").Element("site").Element("number").Value.ToLower();
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}
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catch (Exception)
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{ return null; } // Fail on error
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}
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private static XDocument TryDownloadDoeIPSearch(bool useProxy)
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{
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try
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{
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var DiscoBIVersion = CurrentDiscoVersion();
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HttpWebRequest wReq = (HttpWebRequest)HttpWebRequest.Create("http://broadband.doe.wan/ipsearch/showresult.php");
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if (!useProxy)
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wReq.Proxy = new WebProxy(); // Empty Proxy Config
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wReq.Method = WebRequestMethods.Http.Post;
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wReq.ContentType = "application/x-www-form-urlencoded";
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wReq.UserAgent = string.Format("Disco/{0}", DiscoBIVersion);
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using (var wrStream = wReq.GetRequestStream())
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{
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using (var wrStreamWriter = new StreamWriter(wrStream))
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{
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wrStreamWriter.Write("mode=whoami");
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}
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}
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using (HttpWebResponse wRes = (HttpWebResponse)wReq.GetResponse())
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{
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if (wRes.StatusCode == HttpStatusCode.OK)
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{
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using (var wResStream = wRes.GetResponseStream())
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{
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return XDocument.Load(wResStream);
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}
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}
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else
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return null;
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}
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}
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catch (Exception)
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{ return null; } // Fail on error
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}
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#endregion
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}
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}
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Text;
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using System.Threading.Tasks;
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using System.Xml.Linq;
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using System.Xml.Serialization;
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using Disco.Data.Repository;
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using Disco.Models.BI.Interop.Community;
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using Disco.Services.Tasks;
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using Newtonsoft.Json;
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namespace Disco.BI.Interop.Community
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{
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public static class UpdateCheck
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{
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private static string UpdateUrl(DiscoDataContext db)
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{
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// Special case for DiscoCommunity Hosting Network
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try
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{
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var ip = (from addr in Dns.GetHostEntry(Dns.GetHostName()).AddressList
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where addr.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork
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&& addr.ToString().StartsWith("10.131.200.")
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select addr).FirstOrDefault();
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if (ip != null)
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{
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return "http://hades3:9393/base/DiscoUpdate/V1";
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}
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}
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catch (Exception)
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{ } // Ignore Errors
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return "http://discoict.com.au/base/DiscoUpdate/V1";
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}
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public static string CurrentDiscoVersion()
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{
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var AssemblyVersion = typeof(UpdateCheck).Assembly.GetName().Version;
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return string.Format("{0}.{1}.{2:0000}.{3:0000}", AssemblyVersion.Major, AssemblyVersion.Minor, AssemblyVersion.Build, AssemblyVersion.Revision);
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}
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public static UpdateResponse Check(DiscoDataContext db, bool UseProxy, ScheduledTaskStatus status = null)
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{
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if (status != null)
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status.UpdateStatus(10, "Building Update Request");
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var request = BuildRequest(db);
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//var requestJson = JsonConvert.SerializeObject(request);
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if (status != null)
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status.UpdateStatus(40, "Sending Request");
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var DiscoBIVersion = CurrentDiscoVersion();
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HttpWebRequest webRequest = (HttpWebRequest)HttpWebRequest.Create(UpdateUrl(db));
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// Added: 2013-02-08 G#
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// Fix for Proxy Servers which dont support KeepAlive
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webRequest.KeepAlive = false;
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// End Added: 2013-02-08 G#
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if (!UseProxy)
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webRequest.Proxy = new WebProxy();
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webRequest.ContentType = "application/json";
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webRequest.Method = WebRequestMethods.Http.Post;
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webRequest.UserAgent = string.Format("Disco/{0} (Update)", DiscoBIVersion);
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using (var wrStream = webRequest.GetRequestStream())
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{
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XmlSerializer xml = new XmlSerializer(typeof(UpdateRequestV1));
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xml.Serialize(wrStream, request);
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}
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if (status != null)
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status.UpdateStatus(50, "Waiting for Response");
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using (HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse())
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{
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if (webResponse.StatusCode == HttpStatusCode.OK)
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{
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if (status != null)
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status.UpdateStatus(90, "Reading Response");
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UpdateResponse result;
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using (var wResStream = webResponse.GetResponseStream())
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{
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XmlSerializer xml = new XmlSerializer(typeof(UpdateResponse));
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result = (UpdateResponse)xml.Deserialize(wResStream);
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}
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//var result = JsonConvert.DeserializeObject<UpdateResponse>(responseContent);
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db.DiscoConfiguration.UpdateLastCheck = result;
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db.SaveChanges();
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status.SetFinishedMessage(string.Format("The update server reported Version {0} is the latest.", result.Version));
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return result;
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}
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else
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{
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if (status != null)
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status.SetTaskException(new WebException(string.Format("Server responded with: [{0}] {1}", webResponse.StatusCode, webResponse.StatusDescription)));
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return null;
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}
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}
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}
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private static UpdateRequestV1 BuildRequest(DiscoDataContext db)
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{
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var m = new UpdateRequestV1();
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m.DeploymentId = db.DiscoConfiguration.DeploymentId;
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m.CurrentDiscoVersion = CurrentDiscoVersion();
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m.OrganisationName = db.DiscoConfiguration.OrganisationName;
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m.BroadbandDoeWanId = GetBroadbandDoeWanId();
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m.BetaDeployment = db.DiscoConfiguration.UpdateBetaDeployment;
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m.Stat_JobCounts = db.Jobs.GroupBy(j => j.JobTypeId).Select(g => new Disco.Models.BI.Interop.Community.UpdateRequestV1.Stat { Key = g.Key, Count = g.Count() }).ToList();
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m.Stat_OpenJobCounts = db.Jobs.Where(j => j.ClosedDate == null).GroupBy(j => j.JobTypeId).Select(g => new Disco.Models.BI.Interop.Community.UpdateRequestV1.Stat { Key = g.Key, Count = g.Count() }).ToList();
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var activeThreshold = DateTime.Now.AddDays(-60);
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m.Stat_ActiveDeviceModelCounts = db.DeviceModels.Select(dm => new Disco.Models.BI.Interop.Community.UpdateRequestV1.Stat { Key = dm.Manufacturer + ";" + dm.Model, Count = dm.Devices.Count(d => d.DecommissionedDate == null && (d.LastNetworkLogonDate == null || d.LastNetworkLogonDate > activeThreshold)) }).ToList();
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m.Stat_UserCounts = db.Users.GroupBy(u => u.Type).Select(g => new Disco.Models.BI.Interop.Community.UpdateRequestV1.Stat { Key = g.Key, Count = g.Count() }).ToList();
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return m;
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}
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#region DoE Query
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public static string GetBroadbandDoeWanId()
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{
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// DnsQuery for broadband.doe.wan
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IPHostEntry doeWanDnsEntry;
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try
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{
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doeWanDnsEntry = Dns.GetHostEntry("broadband.doe.wan");
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}
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catch (Exception)
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{ return null; } // Fail on error
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// Try using IPSearch feature
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XDocument doeWanIPSearchResult = TryDownloadDoeIPSearch(false);
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if (doeWanIPSearchResult == null)
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doeWanIPSearchResult = TryDownloadDoeIPSearch(true);
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if (doeWanIPSearchResult == null)
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return null;
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try
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{
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return doeWanIPSearchResult.Element("resultset").Element("site").Element("number").Value.ToLower();
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}
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catch (Exception)
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{ return null; } // Fail on error
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}
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private static XDocument TryDownloadDoeIPSearch(bool useProxy)
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{
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try
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{
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var DiscoBIVersion = CurrentDiscoVersion();
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HttpWebRequest wReq = (HttpWebRequest)HttpWebRequest.Create("http://broadband.doe.wan/ipsearch/showresult.php");
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// Added: 2013-02-08 G#
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// Fix for Proxy Servers which dont support KeepAlive
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webRequest.KeepAlive = false;
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// End Added: 2013-02-08 G#
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if (!useProxy)
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wReq.Proxy = new WebProxy(); // Empty Proxy Config
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wReq.Method = WebRequestMethods.Http.Post;
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wReq.ContentType = "application/x-www-form-urlencoded";
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wReq.UserAgent = string.Format("Disco/{0}", DiscoBIVersion);
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using (var wrStream = wReq.GetRequestStream())
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{
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using (var wrStreamWriter = new StreamWriter(wrStream))
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{
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wrStreamWriter.Write("mode=whoami");
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}
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}
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using (HttpWebResponse wRes = (HttpWebResponse)wReq.GetResponse())
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{
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if (wRes.StatusCode == HttpStatusCode.OK)
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{
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using (var wResStream = wRes.GetResponseStream())
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{
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return XDocument.Load(wResStream);
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}
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}
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else
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return null;
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}
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}
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catch (Exception)
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{ return null; } // Fail on error
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}
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#endregion
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}
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}
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@@ -1,86 +1,87 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Disco.Data.Repository;
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using Disco.Services.Logging;
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using Disco.Services.Tasks;
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using Quartz;
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namespace Disco.BI.Interop.Community
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{
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public class UpdateCheckTask : ScheduledTask
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{
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public override string TaskName { get { return "Disco Community - Check for Update"; } }
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public override bool SingleInstanceTask { get { return true; } }
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public override bool CancelInitiallySupported { get { return false; } }
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public static ScheduledTaskStatus ScheduleNow()
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{
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var runningTasks = ScheduledTasks.GetTaskStatuses(typeof(UpdateCheckTask)).Where(ts => ts.IsRunning).ToList();
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if (runningTasks.Count > 0)
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return runningTasks.First();
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else
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{
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var t = new UpdateCheckTask();
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return t.ScheduleTask();
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}
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}
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public static ScheduledTaskStatus RunningStatus
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{
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get
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{
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return ScheduledTasks.GetTaskStatuses(typeof(UpdateCheckTask)).Where(ts => ts.IsRunning).FirstOrDefault();
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}
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}
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public static DateTime? NextScheduled
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{
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get
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{
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var runningTasks = ScheduledTasks.GetTaskStatuses(typeof(UpdateCheckTask)).ToList();
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DateTime timestamp = DateTime.MaxValue;
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foreach (var t in runningTasks)
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{
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if (t.NextScheduledTimestamp != null && t.NextScheduledTimestamp.Value < timestamp)
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timestamp = t.NextScheduledTimestamp.Value;
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}
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if (timestamp == DateTime.MaxValue)
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return null;
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else
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return timestamp;
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}
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}
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public override void InitalizeScheduledTask(Data.Repository.DiscoDataContext dbContext)
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{
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// ActiveDirectoryUpdateLastNetworkLogonDateJob @ 11:30pm
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var rnd = new Random();
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var rndHour = rnd.Next(12, 23);
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var rndMinute = rnd.Next(0, 59);
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TriggerBuilder triggerBuilder = TriggerBuilder.Create().
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WithSchedule(CronScheduleBuilder.DailyAtHourAndMinute(rndHour, rndMinute));
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this.ScheduleTask(triggerBuilder);
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}
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||||
protected override void ExecuteTask()
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{
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||||
using (DiscoDataContext db = new DiscoDataContext())
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{
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||||
try
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||||
{
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||||
UpdateCheck.Check(db, true, this.Status);
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}
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||||
catch (Exception)
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{
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||||
// Could be proxy error - try again without proxy:
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||||
UpdateCheck.Check(db, false, this.Status);
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||||
}
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||||
}
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}
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||||
}
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||||
}
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using System;
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using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
using Disco.Data.Repository;
|
||||
using Disco.Services.Logging;
|
||||
using Disco.Services.Tasks;
|
||||
using Quartz;
|
||||
|
||||
namespace Disco.BI.Interop.Community
|
||||
{
|
||||
public class UpdateCheckTask : ScheduledTask
|
||||
{
|
||||
public override string TaskName { get { return "Disco Community - Check for Update"; } }
|
||||
public override bool SingleInstanceTask { get { return true; } }
|
||||
public override bool CancelInitiallySupported { get { return false; } }
|
||||
|
||||
public static ScheduledTaskStatus ScheduleNow()
|
||||
{
|
||||
|
||||
var runningTasks = ScheduledTasks.GetTaskStatuses(typeof(UpdateCheckTask)).Where(ts => ts.IsRunning).ToList();
|
||||
if (runningTasks.Count > 0)
|
||||
return runningTasks.First();
|
||||
else
|
||||
{
|
||||
var t = new UpdateCheckTask();
|
||||
return t.ScheduleTask();
|
||||
}
|
||||
}
|
||||
public static ScheduledTaskStatus RunningStatus
|
||||
{
|
||||
get
|
||||
{
|
||||
return ScheduledTasks.GetTaskStatuses(typeof(UpdateCheckTask)).Where(ts => ts.IsRunning).FirstOrDefault();
|
||||
}
|
||||
}
|
||||
public static DateTime? NextScheduled
|
||||
{
|
||||
get
|
||||
{
|
||||
var runningTasks = ScheduledTasks.GetTaskStatuses(typeof(UpdateCheckTask)).ToList();
|
||||
DateTime timestamp = DateTime.MaxValue;
|
||||
foreach (var t in runningTasks)
|
||||
{
|
||||
if (t.NextScheduledTimestamp != null && t.NextScheduledTimestamp.Value < timestamp)
|
||||
timestamp = t.NextScheduledTimestamp.Value;
|
||||
}
|
||||
if (timestamp == DateTime.MaxValue)
|
||||
return null;
|
||||
else
|
||||
return timestamp;
|
||||
}
|
||||
}
|
||||
|
||||
public override void InitalizeScheduledTask(Data.Repository.DiscoDataContext dbContext)
|
||||
{
|
||||
// ActiveDirectoryUpdateLastNetworkLogonDateJob @ 11:30pm
|
||||
var rnd = new Random();
|
||||
|
||||
var rndHour = rnd.Next(12, 23);
|
||||
var rndMinute = rnd.Next(0, 59);
|
||||
|
||||
TriggerBuilder triggerBuilder = TriggerBuilder.Create().
|
||||
WithSchedule(CronScheduleBuilder.DailyAtHourAndMinute(rndHour, rndMinute));
|
||||
|
||||
this.ScheduleTask(triggerBuilder);
|
||||
}
|
||||
|
||||
protected override void ExecuteTask()
|
||||
{
|
||||
using (DiscoDataContext db = new DiscoDataContext())
|
||||
{
|
||||
try
|
||||
{
|
||||
UpdateCheck.Check(db, true, this.Status);
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
ScheduledTasksLog.LogScheduledTaskException(this.Status.TaskName, this.Status.SessionId, this.Status.TaskType, ex);
|
||||
// Could be proxy error - try again without proxy:
|
||||
UpdateCheck.Check(db, false, this.Status);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user