Added session keeping with timeout

OpenSubSearchLib/OSDBService.cs

@@ -1,5 +1,7 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
 using System.Threading.Tasks;
 using OSDBnet;
 
@@ -8,10 +10,16 @@ namespace OpenSubSearchLib
     public class OSDBService : ISubService
     {
         private readonly IAnonymousClient client;
-
+        private Timer timer;
         public OSDBService(string clientVersionStr = "")
         {
             client = Osdb.Login("en", "opensubsearch v0.1 " + clientVersionStr);
+            timer = new Timer(OnTimeout, null, new TimeSpan(0 , 14, 50), new TimeSpan(0, 14, 50));
+        }
+
+        public void OnTimeout(object state)
+        {
+            client.NoOperation();
         }
 
         public string serviceId()
@@ -29,13 +37,21 @@ public string serviceUrl()
             return "https://OpenSubtitles.org";
         }
 
+        private void _resetTimer()
+        {
+            timer.Dispose();
+            timer = new Timer(OnTimeout, null, new TimeSpan(0 , 14, 50), new TimeSpan(0, 14, 50));
+        }
+
         public IList<Subtitle> searchSubtitlesFromFile(string languages, string filePath)
         {
+            _resetTimer();
             return remapList(client.SearchSubtitlesFromFile(languages, filePath));
         }
 
         public IList<Language> getAvailableLanguages()
         {
+            _resetTimer();
             return client.GetSubLanguages()
                 .Select(lang => new Language
                 {
@@ -48,34 +64,40 @@ public IList<Language> getAvailableLanguages()
 
         public async Task<IList<Subtitle>> searchSubtitlesFromFileAsync(string languages, string filePath)
         {
+            _resetTimer();
             return await Task.Run(() => searchSubtitlesFromFile(languages, filePath));
         }
 
         public async Task<IList<Subtitle>> searchSubtitlesFromQueryAsync(string languages, string query,
             int? season = null, int? episode = null)
         {
+            _resetTimer();
             return await Task.Run(() => searchSubtitlesFromQuery(languages, query, season, episode));
         }
 
         public async Task<IList<Language>> getAvailableLanguagesAsync()
         {
+            _resetTimer();
             return await Task.Run(() => getAvailableLanguages());
         }
 
         public IList<Subtitle> searchSubtitlesFromQuery(string languages, string query, int? season = null,
             int? episode = null)
         {
+            _resetTimer();
             return remapList(client.SearchSubtitlesFromQuery(languages, query, season, episode));
         }
 
         public string downloadSubitleToPath(Subtitle subtitle, string path, string newName = null)
         {
+            _resetTimer();
             return client.DownloadSubtitleToPath(path, subtitle.serviceSubtitle as OSDBnet.Subtitle,
                 newName);
         }
 
         public Task<string> downloadSubitleToPathAsync(Subtitle subtitle, string path, string newName = null)
         {
+            _resetTimer();
             return Task.Run(() => client.DownloadSubtitleToPath(path, subtitle.serviceSubtitle as OSDBnet.Subtitle,
                 newName));
         }