Merge pull request #139 from kartverket/retryDownloadIfFails

retry downloads if failing
kartverket · Sep 21, 2020 · 5c24099 · 5c24099
2 parents f3836bd + 59cf75e
commit 5c24099
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Showing 3 changed files with 26 additions and 3 deletions.
diff --git a/...ring.Subscriber/Kartverket.Geosynkronisering.Subscriber.BL/Download/DownloadController.cs b/...ring.Subscriber/Kartverket.Geosynkronisering.Subscriber.BL/Download/DownloadController.cs
@@ -36,7 +36,30 @@ public DownloadController(string changelogFilename)
         public bool DownloadChangelog(string downloadUri, Dataset dataset)
         {
             var webClient = new WebClient { Credentials = new NetworkCredential(dataset.UserName, dataset.Password) };
-            webClient.DownloadFile(downloadUri, ChangelogFilename);
+
+            var tries = 0;
+
+            var waitMilliseconds = 300;
+
+            while (tries < 10)
+            {
+                try
+                {
+                    webClient.DownloadFile(downloadUri, ChangelogFilename);
+                    break;
+                }
+                catch (Exception e)
+                {
+                    System.Threading.Thread.Sleep(waitMilliseconds);
+
+                    waitMilliseconds *= 2;
+
+                    tries += 1;
+
+                    if (tries == 9) throw;
+                }
+            }
+
             if (File.Exists(ChangelogFilename))
             {
                 UnpackZipFile(ChangelogFilename);

diff --git a/...eosynkronisering.Subscriber/Kartverket.Geosynkronisering.Subscriber.BL/SynchController.cs b/...eosynkronisering.Subscriber/Kartverket.Geosynkronisering.Subscriber.BL/SynchController.cs
@@ -189,7 +189,7 @@ public bool GetChangelog(int datasetId, string changelogId, out DownloadControll
 #endif
 
                 downloadController = new DownloadController {ChangelogFilename = fileName};
-                downloadController.DownloadChangelog(downloaduri, dataset);
+                downloadController.DownloadChangelog(downloaduri, dataset);               
             }
             catch (WebException webEx)
             {

diff --git a/README.md b/README.md
@@ -6,7 +6,7 @@
 
 [Downloads](https://github.com/kartverket/geosynkronisering/releases)
 
-[Documentation for alternative subscriber for non-windows](https://github.com/kartverket/geosynkronisering/tree/fixDotnetstandard/Kartverket.Geosynkronisering.Subscriber/Test_Subscriber_NetCore)
+[Documentation for alternative subscriber for non-windows](https://github.com/kartverket/geosynkronisering/tree/master/Kartverket.Geosynkronisering.Subscriber/Test_Subscriber_NetCore)
 
 [Deprecated version](https://github.com/kartverket/CORESubscriber)