Refactoring multithreading

1. ThreadPool -> Task
2. fix deadlock
3. remove unnecessory application.dispatcher.invoke
4. enable non-main thread access to results collection
5. Misc
6. part of #412
This commit is contained in:
bao-qian 2016-05-05 21:15:13 +01:00
parent 923f4ed045
commit d536377329
15 changed files with 146 additions and 140 deletions

View file

@ -5,6 +5,7 @@ using System.Linq;
using System.Net;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using Newtonsoft.Json;
@ -144,7 +145,7 @@ namespace Wox.Plugin.PluginManagement
string filePath = Path.Combine(folder, Guid.NewGuid().ToString() + ".wox");
context.API.StartLoadingBar();
ThreadPool.QueueUserWorkItem(delegate
Task.Run(() =>
{
using (WebClient Client = new WebClient())
{

View file

@ -1,6 +1,7 @@
using System.Collections.Generic;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using Wox.Infrastructure.Logger;
namespace Wox.Plugin.Program
@ -40,7 +41,7 @@ namespace Wox.Plugin.Program
{
if (!isIndexing)
{
ThreadPool.QueueUserWorkItem(o =>
Task.Run(() =>
{
Programs.IndexPrograms();
isIndexing = false;

View file

@ -1,5 +1,5 @@
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
@ -31,7 +31,7 @@ namespace Wox.Plugin.Program
private void ReIndexing()
{
programSourceView.Items.Refresh();
ThreadPool.QueueUserWorkItem(t =>
Task.Run(() =>
{
Dispatcher.Invoke(() => { indexingPanel.Visibility = Visibility.Visible; });
Programs.IndexPrograms();

View file

@ -4,6 +4,7 @@ using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using Newtonsoft.Json;
using Wox.Infrastructure.Exception;
@ -55,17 +56,14 @@ namespace Wox.Core.Plugin
}
else
{
ThreadPool.QueueUserWorkItem(state =>
string actionReponse = ExecuteCallback(result1.JsonRPCAction);
JsonRPCRequestModel jsonRpcRequestModel = JsonConvert.DeserializeObject<JsonRPCRequestModel>(actionReponse);
if (jsonRpcRequestModel != null
&& !String.IsNullOrEmpty(jsonRpcRequestModel.Method)
&& jsonRpcRequestModel.Method.StartsWith("Wox."))
{
string actionReponse = ExecuteCallback(result1.JsonRPCAction);
JsonRPCRequestModel jsonRpcRequestModel = JsonConvert.DeserializeObject<JsonRPCRequestModel>(actionReponse);
if (jsonRpcRequestModel != null
&& !String.IsNullOrEmpty(jsonRpcRequestModel.Method)
&& jsonRpcRequestModel.Method.StartsWith("Wox."))
{
ExecuteWoxAPI(jsonRpcRequestModel.Method.Substring(4), jsonRpcRequestModel.Parameters);
}
});
ExecuteWoxAPI(jsonRpcRequestModel.Method.Substring(4), jsonRpcRequestModel.Parameters);
}
}
}
return !result1.JsonRPCAction.DontHideAfterAction;
@ -126,7 +124,7 @@ namespace Wox.Core.Plugin
{
using (Process process = Process.Start(startInfo))
{
if (process != null)
if (process != null)
{
using (StreamReader reader = process.StandardOutput)
{
@ -152,7 +150,7 @@ namespace Wox.Core.Plugin
}
}
}
catch(Exception e)
catch (Exception e)
{
throw new WoxJsonRPCException(e.Message);
}

View file

@ -1,6 +1,8 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;
using System.Threading.Tasks;
using Newtonsoft.Json;
using Wox.Infrastructure.Exception;
using Wox.Infrastructure.Logger;
@ -11,8 +13,8 @@ namespace Wox.Core.Plugin
internal abstract class PluginConfig
{
private const string pluginConfigName = "plugin.json";
private static List<PluginMetadata> pluginMetadatas = new List<PluginMetadata>();
private const string PluginConfigName = "plugin.json";
private static readonly List<PluginMetadata> PluginMetadatas = new List<PluginMetadata>();
/// <summary>
/// Parse plugin metadata in giving directories
@ -21,45 +23,41 @@ namespace Wox.Core.Plugin
/// <returns></returns>
public static List<PluginMetadata> Parse(string[] pluginDirectories)
{
pluginMetadatas.Clear();
foreach (string pluginDirectory in pluginDirectories)
{
ParsePluginConfigs(pluginDirectory);
}
return pluginMetadatas;
PluginMetadatas.Clear();
var directories = pluginDirectories.SelectMany(Directory.GetDirectories);
ParsePluginConfigs(directories);
return PluginMetadatas;
}
private static void ParsePluginConfigs(string pluginDirectory)
private static void ParsePluginConfigs(IEnumerable<string> directories)
{
if (!Directory.Exists(pluginDirectory)) return;
string[] directories = Directory.GetDirectories(pluginDirectory);
foreach (string directory in directories)
Parallel.ForEach(directories, directory =>
{
if (File.Exists((Path.Combine(directory, "NeedDelete.txt"))))
if (File.Exists(Path.Combine(directory, "NeedDelete.txt")))
{
try
{
Directory.Delete(directory, true);
continue;
}
catch (Exception e)
{
Log.Fatal(e);
}
}
PluginMetadata metadata = GetPluginMetadata(directory);
if (metadata != null)
else
{
pluginMetadatas.Add(metadata);
PluginMetadata metadata = GetPluginMetadata(directory);
if (metadata != null)
{
PluginMetadatas.Add(metadata);
}
}
}
});
}
private static PluginMetadata GetPluginMetadata(string pluginDirectory)
{
string configPath = Path.Combine(pluginDirectory, pluginConfigName);
string configPath = Path.Combine(pluginDirectory, PluginConfigName);
if (!File.Exists(configPath))
{
Log.Warn($"parse plugin {configPath} failed: didn't find config file.");

View file

@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Wox.Core.Resource;
using Wox.Core.UserSettings;
using Wox.Infrastructure;
@ -31,7 +32,7 @@ namespace Wox.Core.Plugin
public static IPublicAPI API { private set; get; }
private static PluginsSettings _settings;
private static List<PluginMetadata> _metadatas;
private static readonly string[] Directories = {Infrastructure.Wox.PreinstalledDirectory, Infrastructure.Wox.UserDirectory };
private static readonly string[] Directories = { Infrastructure.Wox.PreinstalledDirectory, Infrastructure.Wox.UserDirectory };
private static void ValidateUserDirectory()
{
@ -69,43 +70,36 @@ namespace Wox.Core.Plugin
ResourceMerger.UpdatePluginLanguages();
API = api;
foreach (PluginPair pluginPair in AllPlugins)
Parallel.ForEach(AllPlugins, pair =>
{
PluginPair pair = pluginPair;
ThreadPool.QueueUserWorkItem(o =>
var milliseconds = Stopwatch.Normal($"Plugin init: {pair.Metadata.Name}", () =>
{
var milliseconds = Stopwatch.Normal($"Plugin init: {pair.Metadata.Name}", () =>
pair.Plugin.Init(new PluginInitContext
{
pair.Plugin.Init(new PluginInitContext
{
CurrentPluginMetadata = pair.Metadata,
Proxy = HttpProxy.Instance,
API = API
});
CurrentPluginMetadata = pair.Metadata,
Proxy = HttpProxy.Instance,
API = API
});
pair.InitTime = milliseconds;
InternationalizationManager.Instance.UpdatePluginMetadataTranslations(pair);
});
}
pair.InitTime = milliseconds;
InternationalizationManager.Instance.UpdatePluginMetadataTranslations(pair);
});
ThreadPool.QueueUserWorkItem(o =>
_contextMenuPlugins = GetPluginsForInterface<IContextMenu>();
foreach (var plugin in AllPlugins)
{
_contextMenuPlugins = GetPluginsForInterface<IContextMenu>();
foreach (var plugin in AllPlugins)
if (IsGlobalPlugin(plugin.Metadata))
{
if (IsGlobalPlugin(plugin.Metadata))
GlobalPlugins.Add(plugin);
}
else
{
foreach (string actionKeyword in plugin.Metadata.ActionKeywords)
{
GlobalPlugins.Add(plugin);
}
else
{
foreach (string actionKeyword in plugin.Metadata.ActionKeywords)
{
NonGlobalPlugins[actionKeyword] = plugin;
}
NonGlobalPlugins[actionKeyword] = plugin;
}
}
});
}
}

View file

@ -15,7 +15,7 @@ namespace Wox.Core.Plugin
public const string Python = "python";
public const string PythonExecutable = "pythonw.exe";
public static IEnumerable<PluginPair> CSharpPlugins(IEnumerable<PluginMetadata> source)
public static IEnumerable<PluginPair> CSharpPlugins(List<PluginMetadata> source)
{
var plugins = new List<PluginPair>();
var metadatas = source.Where(o => o.Language.ToUpper() == AllowedLanguage.CSharp);
@ -63,7 +63,7 @@ namespace Wox.Core.Plugin
return plugins;
}
public static IEnumerable<PluginPair> PythonPlugins(IEnumerable<PluginMetadata> source, string pythonDirecotry)
public static IEnumerable<PluginPair> PythonPlugins(List<PluginMetadata> source, string pythonDirecotry)
{
var metadatas = source.Where(o => o.Language.ToUpper() == AllowedLanguage.Python);
string filename;

View file

@ -2,6 +2,7 @@
using System.Collections.Generic;
using System.Reflection;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using NAppUpdate.Framework;
using NAppUpdate.Framework.Common;
@ -80,7 +81,7 @@ namespace Wox.Core.Updater
public void CheckUpdate()
{
ThreadPool.QueueUserWorkItem(o =>
Task.Run(() =>
{
string json = HttpRequest.Get(VersionCheckURL, HttpProxy.Instance);
if (!string.IsNullOrEmpty(json))

View file

@ -1,5 +1,6 @@
using System;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Documents;
using Exceptionless;
@ -40,7 +41,7 @@ namespace Wox.CrashReporter
private void SendReport()
{
Hide();
ThreadPool.QueueUserWorkItem(o =>
Task.Run(() =>
{
string reproduceSteps = new TextRange(tbReproduceSteps.Document.ContentStart, tbReproduceSteps.Document.ContentEnd).Text;
exception.ToExceptionless()

View file

@ -106,7 +106,7 @@ namespace Wox.Infrastructure.Image
img.Freeze();
ImageSources[icon] = img;
}
Task.Factory.StartNew(() =>
Task.Run(() =>
{
Stopwatch.Debug("Preload images from cache", () =>
{

View file

@ -86,6 +86,9 @@ EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "PreSolutionBuild", "PreSolutionBuild\PreSolutionBuild.vcxproj", "{88731DA8-C020-476E-B79A-3ADEF65ACA9F}"
EndProject
Global
GlobalSection(Performance) = preSolution
HasPerformanceSessions = true
EndGlobalSection
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Debug|x64 = Debug|x64

View file

@ -3,8 +3,8 @@ using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Net;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using NHotkey;
using NHotkey.Wpf;
using Wox.Core.Plugin;
@ -139,7 +139,10 @@ namespace Wox
o.PluginID = plugin.ID;
o.OriginQuery = query;
});
MainVM.UpdateResultView(results, plugin, query);
Task.Run(() =>
{
MainVM.UpdateResultView(results, plugin, query);
});
}
#endregion

View file

@ -47,7 +47,7 @@ namespace Wox
InitializeComponent();
_settings = settings;
_api = api;
ResultListBoxPreview.DataContext = new ResultsViewModel(_settings, null);
ResultListBoxPreview.DataContext = new ResultsViewModel(_settings);
Loaded += Setting_Loaded;
}

View file

@ -86,11 +86,15 @@ namespace Wox.ViewModel
{
foreach (var pair in PluginManager.GetPluginsForInterface<IResultUpdated>())
{
var plugin = (IResultUpdated) pair.Plugin;
var plugin = (IResultUpdated)pair.Plugin;
plugin.ResultsUpdated += (s, e) =>
{
PluginManager.UpdatePluginMetadata(e.Results, pair.Metadata, e.Query);
UpdateResultView(e.Results, pair.Metadata, e.Query);
Task.Run(() =>
{
PluginManager.UpdatePluginMetadata(e.Results, pair.Metadata, e.Query);
UpdateResultView(e.Results, pair.Metadata, e.Query);
}, _updateToken);
};
}
}
@ -202,7 +206,10 @@ namespace Wox.ViewModel
menus.Add(ContextMenuPluginInfo(id));
ContextMenu.Clear();
ContextMenu.AddResults(menus, id);
Task.Run(() =>
{
ContextMenu.AddResults(menus, id);
}, _updateToken);
ContextMenuVisibility = Visibility.Visible;
}
else
@ -219,14 +226,14 @@ namespace Wox.ViewModel
private void InitializeResultListBox()
{
Results = new ResultsViewModel(_settings, _topMostRecord);
Results = new ResultsViewModel(_settings);
ResultListBoxVisibility = Visibility.Collapsed;
}
private void InitializeContextMenu()
{
ContextMenu = new ResultsViewModel(_settings, _topMostRecord);
ContextMenu = new ResultsViewModel(_settings);
ContextMenuVisibility = Visibility.Collapsed;
}
@ -413,7 +420,10 @@ namespace Wox.ViewModel
}
}
ContextMenu.Clear();
ContextMenu.AddResults(filterResults, contextMenuId);
Task.Run(() =>
{
ContextMenu.AddResults(filterResults, contextMenuId);
}, _updateToken);
}
}
@ -455,18 +465,20 @@ namespace Wox.ViewModel
}, _updateToken);
var plugins = PluginManager.ValidPluginsForQuery(query);
foreach (var plugin in plugins)
Task.Run(() =>
{
var config = _settings.PluginSettings.Plugins[plugin.Metadata.ID];
if (!config.Disabled)
Parallel.ForEach(plugins, plugin =>
{
Task.Factory.StartNew(() =>
var config = _settings.PluginSettings.Plugins[plugin.Metadata.ID];
if (!config.Disabled)
{
var results = PluginManager.QueryForPlugin(plugin, query);
UpdateResultView(results, plugin.Metadata, query);
}, _updateToken);
}
}
}
});
}, _updateToken);
}
@ -478,11 +490,6 @@ namespace Wox.ViewModel
_queryHistory.Reset();
}
private void UpdateResultViewInternal(List<Result> list, PluginMetadata metadata)
{
Results.AddResults(list, metadata.ID);
}
private void DisplayQueryHistory(HistoryItem history)
{
if (history != null)
@ -495,21 +502,23 @@ namespace Wox.ViewModel
var executeQueryHistoryTitle = InternationalizationManager.Instance.GetTranslation("executeQuery");
var lastExecuteTime = InternationalizationManager.Instance.GetTranslation("lastExecuteTime");
Results.RemoveResultsExcept(historyMetadata);
UpdateResultViewInternal(new List<Result>
var result = new Result
{
new Result
Title = string.Format(executeQueryHistoryTitle, history.Query),
SubTitle = string.Format(lastExecuteTime, history.ExecutedDateTime),
IcoPath = "Images\\history.png",
PluginDirectory = Infrastructure.Wox.ProgramPath,
Action = _ =>
{
Title = string.Format(executeQueryHistoryTitle,history.Query),
SubTitle = string.Format(lastExecuteTime,history.ExecutedDateTime),
IcoPath = "Images\\history.png",
PluginDirectory = Infrastructure.Wox.ProgramPath,
Action = _ =>{
QueryText = history.Query;
OnTextBoxSelected();
return false;
}
QueryText = history.Query;
OnTextBoxSelected();
return false;
}
}, historyMetadata);
};
Task.Run(() =>
{
Results.AddResults(new List<Result> { result }, historyMetadata.ID);
}, _updateToken);
}
}
private Result ContextMenuTopMost(Result result)
@ -583,21 +592,29 @@ namespace Wox.ViewModel
_topMostRecordStorage.Save();
}
/// <summary>
/// To avoid deadlock, this method should not called from main thread
/// </summary>
public void UpdateResultView(List<Result> list, PluginMetadata metadata, Query originQuery)
{
_queryHasReturn = true;
ProgressBarVisibility = Visibility.Hidden;
list.ForEach(o =>
foreach (var result in list)
{
o.Score += _userSelectedRecord.GetSelectedCount(o) * 5;
});
if (_topMostRecord.IsTopMost(result))
{
result.Score = int.MaxValue;
}
else
{
result.Score += _userSelectedRecord.GetSelectedCount(result) * 5;
}
}
if (originQuery.RawQuery == _lastQuery.RawQuery)
{
Application.Current.Dispatcher.Invoke(() =>
{
UpdateResultViewInternal(list, metadata);
});
Results.AddResults(list, metadata.ID);
}
if (list.Count > 0 && !ResultListBoxVisibility.IsVisible())

View file

@ -4,7 +4,9 @@ using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Data;
using Wox.Core.UserSettings;
using Wox.Plugin;
using Wox.Storage;
@ -16,17 +18,18 @@ namespace Wox.ViewModel
#region Private Fields
private ResultViewModel _selectedResult;
public ResultCollection Results { get; } = new ResultCollection();
public ResultCollection Results { get; }
private Thickness _margin;
private readonly object _resultsUpdateLock = new object();
private Settings _settings;
private TopMostRecord _topMostRecord;
private readonly object _addResultsLock = new object();
private readonly object _collectionLock = new object();
private readonly Settings _settings;
public ResultsViewModel(Settings settings, TopMostRecord topMostRecord)
public ResultsViewModel(Settings settings)
{
_settings = settings;
_topMostRecord = topMostRecord;
Results = new ResultCollection();
BindingOperations.EnableCollectionSynchronization(Results, _collectionLock);
}
#endregion
@ -81,11 +84,6 @@ namespace Wox.ViewModel
#region Private Methods
private bool IsTopMostResult(Result result)
{
return _topMostRecord.IsTopMost(result);
}
private int InsertIndexOf(int newScore, IList<ResultViewModel> list)
{
int index = 0;
@ -181,45 +179,35 @@ namespace Wox.ViewModel
public void RemoveResultsExcept(PluginMetadata metadata)
{
lock (_resultsUpdateLock)
{
Results.RemoveAll(r => r.RawResult.PluginID != metadata.ID);
}
Results.RemoveAll(r => r.RawResult.PluginID != metadata.ID);
}
public void RemoveResultsFor(PluginMetadata metadata)
{
lock (_resultsUpdateLock)
{
Results.RemoveAll(r => r.PluginID == metadata.ID);
}
Results.RemoveAll(r => r.PluginID == metadata.ID);
}
/// <summary>
/// To avoid deadlock, this method should not called from main thread
/// </summary>
public void AddResults(List<Result> newRawResults, string resultId)
{
lock (_resultsUpdateLock)
lock (_addResultsLock)
{
var newResults = newRawResults.Select(r => new ResultViewModel(r)).ToList();
// todo use async to do new result calculation
var resultsCopy = Results.ToList();
var oldResults = resultsCopy.Where(r => r.PluginID == resultId).ToList();
// intersection of A (old results) and B (new newResults)
var intersection = oldResults.Intersect(newResults).ToList();
// remove result of relative complement of B in A
foreach (var result in oldResults.Except(intersection))
{
resultsCopy.Remove(result);
}
// update scores
foreach (var result in newResults)
{
if (IsTopMostResult(result.RawResult))
{
result.Score = int.MaxValue;
}
}
// update index for result in intersection of A and B
foreach (var commonResult in intersection)
{
@ -300,6 +288,7 @@ namespace Wox.ViewModel
ResultViewModel newResult = newItems[i];
if (!oldResult.Equals(newResult))
{
this[i] = newResult;
}
else if (oldResult.Score != newResult.Score)
@ -308,6 +297,7 @@ namespace Wox.ViewModel
}
}
if (newCount > oldCount)
{
for (int i = oldCount; i < newCount; i++)
@ -323,7 +313,6 @@ namespace Wox.ViewModel
RemoveAt(removeIndex);
}
}
}
}