Auto status change to "Under Review"
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1 | using System; | |||
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2 | using System.Threading; | |||
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3 | using System.Threading.Tasks; | |||
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4 | using Implab.Components; | |||
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5 | ||||
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6 | namespace Implab.Test { | |||
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7 | public class MockPollComponent : PollingComponent { | |||
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8 | ||||
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9 | public Func<CancellationToken,Task> PollWorker { get; set;} | |||
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10 | ||||
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11 | public Func<CancellationToken, Task> StartWorker { get; set; } | |||
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12 | ||||
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13 | public Func<CancellationToken, Task> StopWorker { get; set; } | |||
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14 | ||||
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15 | public MockPollComponent(bool initialized) : base(initialized) { | |||
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16 | } | |||
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17 | ||||
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18 | protected async override Task Poll(CancellationToken ct) { | |||
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19 | if(PollWorker!= null) | |||
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20 | await PollWorker.Invoke(ct); | |||
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21 | } | |||
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22 | ||||
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23 | protected async override Task StopInternalAsync(CancellationToken ct) { | |||
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24 | if (StopWorker != null) | |||
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25 | await StopWorker.Invoke(ct); | |||
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26 | } | |||
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27 | ||||
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28 | protected async override Task StartInternalAsync(CancellationToken ct) { | |||
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29 | if (StartWorker != null) | |||
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30 | await StartWorker.Invoke(ct); | |||
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31 | } | |||
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32 | ||||
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33 | ||||
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34 | } | |||
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35 | } No newline at end of file |
@@ -1,69 +1,20 | |||||
1 | <?xml version="1.0" encoding="utf-8"?> |
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1 | <Project Sdk="Microsoft.NET.Sdk"> | |
2 | <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> |
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2 | <PropertyGroup Condition="'$(OSTYPE)'=='linux'"> | |
3 | <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" /> |
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3 | <TargetFrameworks>netcoreapp2.0;net46</TargetFrameworks> | |
4 | <PropertyGroup> |
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4 | <FrameworkPathOverride Condition="'$(TargetFramework)'=='net46'">/usr/lib/mono/4.6-api/</FrameworkPathOverride> | |
5 | <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> |
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6 | <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> |
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7 | <ProjectGuid>{100DFEB0-75BE-436F-ADDF-1F46EF433F46}</ProjectGuid> |
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8 | <OutputType>Exe</OutputType> |
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9 | <AppDesignerFolder>Properties</AppDesignerFolder> |
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10 | <RootNamespace>Implab.Playground</RootNamespace> |
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11 | <AssemblyName>Implab.Playground</AssemblyName> |
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12 | <TargetFrameworkVersion>v4.6</TargetFrameworkVersion> |
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13 | <FileAlignment>512</FileAlignment> |
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14 | <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects> |
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15 | <TargetFrameworkProfile /> |
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16 | </PropertyGroup> |
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5 | </PropertyGroup> | |
17 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> |
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6 | ||
18 | <PlatformTarget>AnyCPU</PlatformTarget> |
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7 | <PropertyGroup Condition="'$(OSTYPE)'=='windows'"> | |
19 | <DebugSymbols>true</DebugSymbols> |
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8 | <TargetFrameworks>netcoreapp2.0;net46</TargetFrameworks> | |
20 | <DebugType>full</DebugType> |
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21 | <Optimize>false</Optimize> |
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22 | <OutputPath>bin\Debug\</OutputPath> |
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23 | <DefineConstants>DEBUG;TRACE</DefineConstants> |
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24 | <ErrorReport>prompt</ErrorReport> |
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25 | <WarningLevel>4</WarningLevel> |
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26 | </PropertyGroup> |
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9 | </PropertyGroup> | |
27 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> |
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10 | ||
28 | <PlatformTarget>AnyCPU</PlatformTarget> |
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11 | <PropertyGroup> | |
29 | <DebugType>pdbonly</DebugType> |
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12 | <OutputType>Exe</OutputType> | |
30 | <Optimize>true</Optimize> |
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13 | <IsPackable>false</IsPackable> | |
31 | <OutputPath>bin\Release\</OutputPath> |
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32 | <DefineConstants>TRACE</DefineConstants> |
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33 | <ErrorReport>prompt</ErrorReport> |
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34 | <WarningLevel>4</WarningLevel> |
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35 | <Prefer32Bit>true</Prefer32Bit> |
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36 | <DebugSymbols>true</DebugSymbols> |
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37 | </PropertyGroup> |
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14 | </PropertyGroup> | |
38 | <ItemGroup> |
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15 | ||
39 | <Reference Include="System" /> |
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40 | <Reference Include="System.Core" /> |
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41 | <Reference Include="System.Xml.Linq" /> |
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42 | <Reference Include="System.Data.DataSetExtensions" /> |
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43 | <Reference Include="Microsoft.CSharp" /> |
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44 | <Reference Include="System.Data" /> |
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45 | <Reference Include="System.Net.Http" /> |
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46 | <Reference Include="System.Xml" /> |
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47 | </ItemGroup> |
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48 | <ItemGroup> |
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16 | <ItemGroup> | |
49 | <Compile Include="Program.cs" /> |
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17 | <ProjectReference Include="../Implab/Implab.csproj"/> | |
50 | <Compile Include="Properties\AssemblyInfo.cs" /> |
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51 | </ItemGroup> |
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52 | <ItemGroup> |
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53 | <None Include="App.config" /> |
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54 | </ItemGroup> |
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18 | </ItemGroup> | |
55 | <ItemGroup> |
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19 | ||
56 | <ProjectReference Include="..\Implab\Implab.csproj"> |
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20 | </Project> | |
57 | <Project>{f550f1f8-8746-4ad0-9614-855f4c4b7f05}</Project> |
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58 | <Name>Implab</Name> |
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59 | </ProjectReference> |
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60 | </ItemGroup> |
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61 | <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" /> |
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62 | <!-- To modify your build process, add your task inside one of the targets below and uncomment it. |
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63 | Other similar extension points exist, see Microsoft.Common.targets. |
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64 | <Target Name="BeforeBuild"> |
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65 | </Target> |
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66 | <Target Name="AfterBuild"> |
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67 | </Target> |
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68 | --> |
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69 | </Project> No newline at end of file |
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@@ -1,55 +1,54 | |||||
1 | using Implab.Diagnostics; |
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1 | using Implab.Diagnostics; | |
2 | using Implab.Formats.Json; |
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2 | using Implab.Formats.Json; | |
3 | using Implab.Parallels; |
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3 | using Implab.Parallels; | |
4 | using Implab.Xml; |
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4 | using Implab.Xml; | |
5 | using System; |
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5 | using System; | |
6 | using System.Collections.Concurrent; |
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6 | using System.Collections.Concurrent; | |
7 | using System.Collections.Generic; |
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7 | using System.Collections.Generic; | |
8 | using System.IO; |
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8 | using System.IO; | |
9 | using System.Linq; |
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9 | using System.Linq; | |
10 | using System.Text; |
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10 | using System.Text; | |
11 | using System.Threading; |
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11 | using System.Threading; | |
12 | using System.Threading.Tasks; |
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12 | using System.Threading.Tasks; | |
13 | using System.Xml; |
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13 | using System.Xml; | |
14 | using System.Xml.Serialization; |
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14 | using System.Xml.Serialization; | |
15 |
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15 | |||
16 | namespace Implab.Playground { |
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16 | namespace Implab.Playground { | |
17 | using System.Diagnostics; |
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17 | using System.Diagnostics; | |
18 | using System.Runtime.Remoting.Messaging; |
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19 | using static Trace<Program>; |
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18 | using static Trace<Program>; | |
20 |
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19 | |||
21 | public class Program { |
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20 | public class Program { | |
22 |
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21 | |||
23 | static void Main(string[] args) { |
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22 | static void Main(string[] args) { | |
24 | var listener = new SimpleTraceListener(Console.Out); |
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23 | var listener = new SimpleTraceListener(Console.Out); | |
25 |
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24 | |||
26 | var source = Trace<Program>.TraceSource; |
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25 | var source = Trace<Program>.TraceSource; | |
27 | source.Switch.Level = SourceLevels.All; |
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26 | source.Switch.Level = SourceLevels.All; | |
28 |
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27 | |||
29 | source.Listeners.Add(listener); |
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28 | source.Listeners.Add(listener); | |
30 |
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29 | |||
31 | var t = Environment.TickCount; |
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30 | var t = Environment.TickCount; | |
32 |
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31 | |||
33 | Main().Wait(); |
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32 | Main().Wait(); | |
34 |
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33 | |||
35 | Console.WriteLine($"Done: {Environment.TickCount - t} ms"); |
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34 | Console.WriteLine($"Done: {Environment.TickCount - t} ms"); | |
36 | Console.ReadKey(); |
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35 | Console.ReadKey(); | |
37 | } |
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36 | } | |
38 |
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37 | |||
39 | static async Task Main() { |
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38 | static async Task Main() { | |
40 | using (LogicalOperation(nameof(Main))) { |
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39 | using (LogicalOperation(nameof(Main))) { | |
41 | Log("Start"); |
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40 | Log("Start"); | |
42 | await SomeAsync(); |
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41 | await SomeAsync(); | |
43 | Log("End"); |
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42 | Log("End"); | |
44 | } |
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43 | } | |
45 | } |
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44 | } | |
46 |
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45 | |||
47 | static async Task SomeAsync() { |
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46 | static async Task SomeAsync() { | |
48 | using (LogicalOperation(nameof(SomeAsync))) { |
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47 | using (LogicalOperation(nameof(SomeAsync))) { | |
49 | Log("Do prepare"); |
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48 | Log("Do prepare"); | |
50 | await Task.Yield(); |
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49 | await Task.Yield(); | |
51 | Log("Yield"); |
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50 | Log("Yield"); | |
52 | } |
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51 | } | |
53 | } |
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52 | } | |
54 | } |
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53 | } | |
55 | } |
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54 | } |
@@ -1,17 +1,23 | |||||
1 | <Project Sdk="Microsoft.NET.Sdk"> |
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1 | <Project Sdk="Microsoft.NET.Sdk"> | |
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2 | <PropertyGroup Condition="'$(OSTYPE)'=='linux'"> | |||
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3 | <TargetFrameworks>netcoreapp2.0</TargetFrameworks> | |||
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4 | <FrameworkPathOverride Condition="'$(TargetFramework)'=='net46'">/usr/lib/mono/4.5/</FrameworkPathOverride> | |||
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5 | </PropertyGroup> | |||
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6 | ||||
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7 | <PropertyGroup Condition="'$(OSTYPE)'=='windows'"> | |||
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8 | <TargetFrameworks>netcoreapp2.0;net46</TargetFrameworks> | |||
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9 | </PropertyGroup> | |||
2 |
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10 | |||
3 | <PropertyGroup> |
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11 | <PropertyGroup> | |
4 | <TargetFramework>netcoreapp2.1</TargetFramework> |
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5 |
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6 | <IsPackable>false</IsPackable> |
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12 | <IsPackable>false</IsPackable> | |
7 | </PropertyGroup> |
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13 | </PropertyGroup> | |
8 |
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14 | |||
9 | <ItemGroup> |
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15 | <ItemGroup> | |
10 | <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.6.0-preview-20180109-01" /> |
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16 | <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.6.0-preview-20180109-01" /> | |
11 | <PackageReference Include="xunit" Version="2.3.1" /> |
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17 | <PackageReference Include="xunit" Version="2.3.1" /> | |
12 | <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" /> |
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18 | <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" /> | |
13 | <ProjectReference Include="../Implab/Implab.csproj"/> |
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19 | <ProjectReference Include="../Implab/Implab.csproj"/> | |
14 | <DotNetCliToolReference Include="dotnet-xunit" Version="2.3.1" /> |
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20 | <DotNetCliToolReference Include="dotnet-xunit" Version="2.3.1" /> | |
15 | </ItemGroup> |
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21 | </ItemGroup> | |
16 |
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22 | |||
17 | </Project> |
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23 | </Project> |
@@ -1,42 +1,30 | |||||
1 | using System; |
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1 | using System; | |
2 | using System.Threading; |
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2 | using System.Threading; | |
3 | using System.Threading.Tasks; |
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3 | using System.Threading.Tasks; | |
4 | using Implab.Components; |
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4 | using Implab.Components; | |
5 | using Xunit; |
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5 | using Xunit; | |
6 |
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6 | |||
7 | namespace Implab.Test |
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7 | namespace Implab.Test { | |
8 | { |
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9 | class TimeLog : PollingComponent { |
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10 | public TimeLog() : base(true) { |
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11 | } |
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12 |
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8 | |||
13 | protected override Task Poll(CancellationToken ct) { |
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9 | public class RunnableComponentTests { | |
14 | Console.WriteLine("Poll"); |
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15 | return Task.CompletedTask; |
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16 | } |
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17 | } |
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18 |
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19 | public class UnitTest1 |
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20 | { |
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21 | [Fact] |
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10 | [Fact] | |
22 | public async Task Test1() |
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11 | public async Task Test1() { | |
23 | { |
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24 |
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12 | |||
25 |
using(var |
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13 | using (var m = new MockPollComponent(true)) { | |
26 | tl.StateChanged += (self, args) => Console.WriteLine("{0}", args.State); |
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14 | m.StartWorker = async (ct) => await Task.Yield(); | |
27 | tl.Delay = 1000; |
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15 | m.StopWorker = async (ct) => await Task.Yield(); | |
28 | tl.Interval = 500; |
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29 |
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30 |
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16 | |||
31 | tl.Start(CancellationToken.None); |
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17 | Assert.Equal(ExecutionState.Ready, m.State); | |
32 |
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18 | Assert.NotNull(m.Completion); | |
33 |
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19 | |||
34 | await Task.Delay(2000); |
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20 | m.Start(CancellationToken.None); | |
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21 | await m.Completion; | |||
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22 | Assert.Equal(ExecutionState.Running, m.State); | |||
35 |
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23 | |||
36 |
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24 | m.Stop(CancellationToken.None); | |
37 |
await |
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25 | await m.Completion; | |
38 | await Task.Delay(3000); |
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26 | Assert.Equal(ExecutionState.Stopped, m.State); | |
39 | } |
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27 | } | |
40 | } |
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28 | } | |
41 | } |
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29 | } | |
42 | } |
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30 | } |
@@ -1,89 +1,93 | |||||
1 | using System; |
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1 | using System; | |
2 | using System.Threading; |
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2 | using System.Threading; | |
3 | using System.Threading.Tasks; |
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3 | using System.Threading.Tasks; | |
4 |
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4 | |||
5 | namespace Implab.Components { |
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5 | namespace Implab.Components { | |
6 | public abstract class PollingComponent : RunnableComponent { |
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6 | public abstract class PollingComponent : RunnableComponent { | |
7 |
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7 | |||
8 | readonly Timer m_timer; |
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8 | readonly Timer m_timer; | |
9 |
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9 | |||
10 | readonly CancellationTokenSource m_cancellation = new CancellationTokenSource(); |
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10 | readonly CancellationTokenSource m_cancellation = new CancellationTokenSource(); | |
11 |
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11 | |||
12 | Task m_pending; |
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12 | Task m_pending; | |
13 | Task m_poll; |
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13 | Task m_poll; | |
14 |
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14 | |||
15 | /// <summary> |
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15 | /// <summary> | |
16 | /// Poll interval in milliseconds. |
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16 | /// Poll interval in milliseconds. | |
17 | /// </summary> |
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17 | /// </summary> | |
18 | /// <returns></returns> |
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18 | /// <returns></returns> | |
19 | public int Interval { get; set; } |
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19 | public int Interval { get; set; } | |
20 |
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20 | |||
21 | /// <summary> |
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21 | /// <summary> | |
22 | /// Delay to the first poll after start in milliseconds |
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22 | /// Delay to the first poll after start in milliseconds | |
23 | /// </summary> |
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23 | /// </summary> | |
24 | /// <returns></returns> |
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24 | /// <returns></returns> | |
25 | public int Delay { get; set; } |
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25 | public int Delay { get; set; } | |
26 |
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26 | |||
27 | /// <summary> |
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27 | /// <summary> | |
28 | /// Indicates how to handle unhandled exceptions in <see cref="Poll()"/> method. |
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28 | /// Indicates how to handle unhandled exceptions in <see cref="Poll()"/> method. | |
29 | /// </summary> |
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29 | /// </summary> | |
30 | /// <returns></returns> |
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30 | /// <returns></returns> | |
31 | public bool FailOnError { get; set; } |
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31 | public bool FailOnError { get; set; } | |
32 |
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32 | |||
33 | /// <summary> |
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33 | /// <summary> | |
34 | /// Event for the unhandled exceptions in <see cref="Poll()"/> method. |
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34 | /// Event for the unhandled exceptions in <see cref="Poll()"/> method. | |
35 | /// </summary> |
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35 | /// </summary> | |
36 | public event EventHandler<UnhandledExceptionEventArgs> UnhandledException; |
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36 | public event EventHandler<UnhandledExceptionEventArgs> UnhandledException; | |
37 |
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37 | |||
38 | protected PollingComponent(bool initialized) : base(initialized) { |
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38 | protected PollingComponent(bool initialized) : base(initialized) { | |
39 | m_timer = new Timer(OnTimer); |
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39 | m_timer = new Timer(OnTimer); | |
40 | } |
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40 | } | |
41 |
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41 | |||
42 | protected override void RunInternal() { |
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42 | protected override void RunInternal() { | |
43 | ScheduleNextPoll(Delay); |
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43 | ScheduleNextPoll(Delay); | |
44 | } |
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44 | } | |
45 |
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45 | |||
46 |
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46 | |||
47 | protected override async Task StopInternalAsync(CancellationToken ct) { |
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47 | protected override async Task StopInternalAsync(CancellationToken ct) { | |
48 | // component in Stopping state, no new polls will be scheduled |
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48 | // component in Stopping state, no new polls will be scheduled | |
49 | m_cancellation.Cancel(); |
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49 | m_cancellation.Cancel(); | |
50 | try { |
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50 | try { | |
51 | // await for pending poll |
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51 | // await for pending poll | |
52 | await m_poll; |
|
52 | await m_poll; | |
53 |
} catch (OperationCanceledException |
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53 | } catch (OperationCanceledException) { | |
54 | // OK |
|
54 | // OK | |
55 | } |
|
55 | } | |
56 | } |
|
56 | } | |
57 |
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57 | |||
58 | protected abstract Task Poll(CancellationToken ct); |
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58 | protected abstract Task Poll(CancellationToken ct); | |
59 |
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59 | |||
60 | void ScheduleNextPoll(int timeout) { |
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60 | void ScheduleNextPoll(int timeout) { | |
61 | lock (SynchronizationObject) { |
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61 | lock (SynchronizationObject) { | |
62 | if (State == ExecutionState.Running) { |
|
62 | if (State == ExecutionState.Running) { | |
63 | m_pending = Safe.CreateTask(m_cancellation.Token); |
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63 | m_pending = Safe.CreateTask(m_cancellation.Token); | |
64 | m_poll = m_pending.Then(() => Poll(m_cancellation.Token)); |
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64 | m_poll = m_pending.Then(() => Poll(m_cancellation.Token)); | |
65 | m_timer.Change(timeout, Timeout.Infinite); |
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65 | m_timer.Change(timeout, Timeout.Infinite); | |
66 | } |
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66 | } | |
67 | } |
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67 | } | |
68 | } |
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68 | } | |
69 |
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69 | |||
70 | async void OnTimer(object state) { |
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70 | async void OnTimer(object state) { | |
71 | try { |
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71 | try { | |
72 | m_pending.Start(); |
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72 | m_pending.Start(); | |
73 | await m_poll; |
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73 | await m_poll; | |
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74 | ScheduleNextPoll(Interval); | |||
74 | } catch (Exception e) { |
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75 | } catch (Exception e) { | |
75 | UnhandledException.DispatchEvent(this, new UnhandledExceptionEventArgs(e, false)); |
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76 | UnhandledException.DispatchEvent(this, new UnhandledExceptionEventArgs(e, false)); | |
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77 | ||||
76 | if (FailOnError) |
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78 | if (FailOnError) | |
77 | Fail(e); |
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79 | Fail(e); | |
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80 | else | |||
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81 | ScheduleNextPoll(Interval); | |||
78 | } |
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82 | } | |
79 | ScheduleNextPoll(Interval); |
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83 | ||
80 | } |
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84 | } | |
81 |
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85 | |||
82 | protected override void Dispose(bool disposing) { |
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86 | protected override void Dispose(bool disposing) { | |
83 | if (disposing) |
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87 | if (disposing) | |
84 | Safe.Dispose(m_timer, m_cancellation); |
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88 | Safe.Dispose(m_timer, m_cancellation); | |
85 | base.Dispose(disposing); |
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89 | base.Dispose(disposing); | |
86 | } |
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90 | } | |
87 |
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91 | |||
88 | } |
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92 | } | |
89 | } No newline at end of file |
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93 | } |
@@ -1,331 +1,332 | |||||
1 | using System; |
|
1 | using System; | |
2 | using System.Diagnostics; |
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2 | using System.Diagnostics; | |
3 | using System.Threading; |
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3 | using System.Threading; | |
4 | using System.Threading.Tasks; |
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4 | using System.Threading.Tasks; | |
5 |
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5 | |||
6 | namespace Implab.Components { |
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6 | namespace Implab.Components { | |
7 | /// <summary> |
|
7 | /// <summary> | |
8 | /// Base class for implementing components which support start and stop operations, |
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8 | /// Base class for implementing components which support start and stop operations, | |
9 | /// such components may represent running services. |
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9 | /// such components may represent running services. | |
10 | /// </summary> |
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10 | /// </summary> | |
11 | /// <remarks> |
|
11 | /// <remarks> | |
12 | /// This class provides a basic lifecycle from the creation to the |
|
12 | /// This class provides a basic lifecycle from the creation to the | |
13 | /// termination of the component. |
|
13 | /// termination of the component. | |
14 | /// </remarks> |
|
14 | /// </remarks> | |
15 | public abstract class RunnableComponent : IAsyncComponent, IRunnable, IInitializable, IDisposable { |
|
15 | public abstract class RunnableComponent : IAsyncComponent, IRunnable, IInitializable, IDisposable { | |
16 |
|
16 | |||
17 | /// <summary> |
|
17 | /// <summary> | |
18 | /// This class bounds <see cref="CancellationTokenSource"/> lifetime to the task, |
|
18 | /// This class bounds <see cref="CancellationTokenSource"/> lifetime to the task, | |
19 | /// when the task completes the associated token source will be disposed. |
|
19 | /// when the task completes the associated token source will be disposed. | |
20 | /// </summary> |
|
20 | /// </summary> | |
21 | class AsyncOperationDescriptor { |
|
21 | class AsyncOperationDescriptor { | |
22 |
|
22 | |||
23 | public static AsyncOperationDescriptor None { get; } = new AsyncOperationDescriptor(); |
|
23 | public static AsyncOperationDescriptor None { get; } = new AsyncOperationDescriptor(); | |
24 |
|
24 | |||
25 | readonly CancellationTokenSource m_cts; |
|
25 | readonly CancellationTokenSource m_cts; | |
26 |
|
26 | |||
27 | bool m_done; |
|
27 | bool m_done; | |
28 |
|
28 | |||
29 | public CancellationToken Token { |
|
29 | public CancellationToken Token { | |
30 | get { return m_cts == null ? CancellationToken.None : m_cts.Token; } |
|
30 | get { return m_cts == null ? CancellationToken.None : m_cts.Token; } | |
31 | } |
|
31 | } | |
32 |
|
32 | |||
33 | public Task Task { get; private set; } |
|
33 | public Task Task { get; private set; } | |
34 |
|
34 | |||
35 | private AsyncOperationDescriptor(Task task, CancellationTokenSource cts) { |
|
35 | private AsyncOperationDescriptor(Task task, CancellationTokenSource cts) { | |
36 | m_cts = cts; |
|
36 | m_cts = cts; | |
37 | Task = Chain(task); |
|
37 | Task = Chain(task); | |
38 | } |
|
38 | } | |
39 |
|
39 | |||
40 | private AsyncOperationDescriptor() { |
|
40 | private AsyncOperationDescriptor() { | |
41 | Task = Task.CompletedTask; |
|
41 | Task = Task.CompletedTask; | |
42 | } |
|
42 | } | |
43 |
|
43 | |||
44 | public void Cancel() { |
|
44 | public void Cancel() { | |
45 | if (m_cts != null) { |
|
45 | if (m_cts != null) { | |
46 | lock (m_cts) { |
|
46 | lock (m_cts) { | |
47 | if (!m_done) |
|
47 | if (!m_done) | |
48 | m_cts.Cancel(); |
|
48 | m_cts.Cancel(); | |
49 | } |
|
49 | } | |
50 | } |
|
50 | } | |
51 | } |
|
51 | } | |
52 |
|
52 | |||
53 | void Done() { |
|
53 | void Done() { | |
54 | if (m_cts != null) { |
|
54 | if (m_cts != null) { | |
55 | lock (m_cts) { |
|
55 | lock (m_cts) { | |
56 | m_done = true; |
|
56 | m_done = true; | |
57 | m_cts.Dispose(); |
|
57 | m_cts.Dispose(); | |
58 | } |
|
58 | } | |
59 | } else { |
|
59 | } else { | |
60 | m_done = true; |
|
60 | m_done = true; | |
61 | } |
|
61 | } | |
62 | } |
|
62 | } | |
63 |
|
63 | |||
64 | async Task Chain(Task other) { |
|
64 | async Task Chain(Task other) { | |
65 | try { |
|
65 | try { | |
66 | await other; |
|
66 | await other; | |
67 | } finally { |
|
67 | } finally { | |
68 | Done(); |
|
68 | Done(); | |
69 | } |
|
69 | } | |
70 | } |
|
70 | } | |
71 |
|
71 | |||
72 | public static AsyncOperationDescriptor Create(Func<CancellationToken, Task> factory, CancellationToken ct) { |
|
72 | public static AsyncOperationDescriptor Create(Func<CancellationToken, Task> factory, CancellationToken ct) { | |
73 | var cts = ct.CanBeCanceled ? |
|
73 | var cts = ct.CanBeCanceled ? | |
74 | CancellationTokenSource.CreateLinkedTokenSource(ct) : |
|
74 | CancellationTokenSource.CreateLinkedTokenSource(ct) : | |
75 | new CancellationTokenSource(); |
|
75 | new CancellationTokenSource(); | |
76 |
|
76 | |||
77 | return new AsyncOperationDescriptor(factory(cts.Token), cts); |
|
77 | return new AsyncOperationDescriptor(factory(cts.Token), cts); | |
78 | } |
|
78 | } | |
79 |
|
79 | |||
80 | } |
|
80 | } | |
81 |
|
81 | |||
82 | // this lock is used to synchronize state flow of the component during |
|
82 | // this lock is used to synchronize state flow of the component during | |
83 | // processing calls from a client and internal processes. |
|
83 | // processing calls from a client and internal processes. | |
84 | readonly object m_lock = new object(); |
|
84 | readonly object m_lock = new object(); | |
85 |
|
85 | |||
86 | // current operation cookie, used to check wheather a call to |
|
86 | // current operation cookie, used to check wheather a call to | |
87 | // MoveSuccess/MoveFailed method belongs to the current |
|
87 | // MoveSuccess/MoveFailed method belongs to the current | |
88 | // operation, if cookies didn't match ignore completion result. |
|
88 | // operation, if cookies didn't match ignore completion result. | |
89 | object m_cookie; |
|
89 | object m_cookie; | |
90 |
|
90 | |||
91 | // AsyncOperationDscriptor aggregates a task and it's cancellation token |
|
91 | // AsyncOperationDscriptor aggregates a task and it's cancellation token | |
92 | AsyncOperationDescriptor m_current = AsyncOperationDescriptor.None; |
|
92 | AsyncOperationDescriptor m_current = AsyncOperationDescriptor.None; | |
93 |
|
93 | |||
94 | ExecutionState m_state; |
|
94 | ExecutionState m_state; | |
95 |
|
95 | |||
96 | /// <summary> |
|
96 | /// <summary> | |
97 | /// Объект синхронизации используется для обеспечения совместного доступа |
|
97 | /// Объект синхронизации используется для обеспечения совместного доступа | |
98 | /// клиента компоненты и процессов, протекающих внутри компоненты, к общему |
|
98 | /// клиента компоненты и процессов, протекающих внутри компоненты, к общему | |
99 | /// состоянию, т.е.true таким свойствам, как <see cref="State"/>, |
|
99 | /// состоянию, т.е.true таким свойствам, как <see cref="State"/>, | |
100 | /// <see cref="LastError"/>. Обработчики события <see cref="StateChanged"/> |
|
100 | /// <see cref="LastError"/>. Обработчики события <see cref="StateChanged"/> | |
101 | /// вызываются уже с установленной блокировкой, поэтому дополнительная |
|
101 | /// вызываются уже с установленной блокировкой, поэтому дополнительная | |
102 | /// синхронизация не требуется. |
|
102 | /// синхронизация не требуется. | |
103 | /// </summary> |
|
103 | /// </summary> | |
104 | public object SynchronizationObject { get { return m_lock; } } |
|
104 | public object SynchronizationObject { get { return m_lock; } } | |
105 |
|
105 | |||
106 | protected RunnableComponent(bool initialized) { |
|
106 | protected RunnableComponent(bool initialized) { | |
107 | State = initialized ? ExecutionState.Ready : ExecutionState.Created; |
|
107 | State = initialized ? ExecutionState.Ready : ExecutionState.Created; | |
108 | } |
|
108 | } | |
109 |
|
109 | |||
110 | public Task Completion { |
|
110 | public Task Completion { | |
111 | get { return m_current.Task; } |
|
111 | get { return m_current.Task; } | |
112 | } |
|
112 | } | |
113 |
|
113 | |||
114 | public ExecutionState State { |
|
114 | public ExecutionState State { | |
115 | get { return m_state; } |
|
115 | get { return m_state; } | |
116 | private set { |
|
116 | private set { | |
117 | if (m_state != value) { |
|
117 | if (m_state != value) { | |
118 | m_state = value; |
|
118 | m_state = value; | |
119 | StateChanged.DispatchEvent(this, new StateChangeEventArgs { |
|
119 | StateChanged.DispatchEvent(this, new StateChangeEventArgs { | |
120 | State = value, |
|
120 | State = value, | |
121 | LastError = LastError |
|
121 | LastError = LastError | |
122 | }); |
|
122 | }); | |
123 | } |
|
123 | } | |
124 | } |
|
124 | } | |
125 | } |
|
125 | } | |
126 |
|
126 | |||
127 | public Exception LastError { get; private set; } |
|
127 | public Exception LastError { get; private set; } | |
128 |
|
128 | |||
129 | /// <summary> |
|
129 | /// <summary> | |
130 | /// Событие изменения состояния компоненты.see Обработчики данного события |
|
130 | /// Событие изменения состояния компоненты.see Обработчики данного события | |
131 | /// вызываются внутри блокировки <see cref="SynchronizationObject"/> и должны |
|
131 | /// вызываются внутри блокировки <see cref="SynchronizationObject"/> и должны | |
132 | /// выполняться максимально быстро. |
|
132 | /// выполняться максимально быстро. | |
133 | /// </summary> |
|
133 | /// </summary> | |
134 | public event EventHandler<StateChangeEventArgs> StateChanged; |
|
134 | public event EventHandler<StateChangeEventArgs> StateChanged; | |
135 |
|
135 | |||
136 | /// <summary> |
|
136 | /// <summary> | |
137 | /// Releases all resources used by the current component regardless of its |
|
137 | /// Releases all resources used by the current component regardless of its | |
138 | /// execution state. |
|
138 | /// execution state. | |
139 | /// </summary> |
|
139 | /// </summary> | |
140 | /// <remarks> |
|
140 | /// <remarks> | |
141 | /// Calling to this method may result unexpedted results if the component |
|
141 | /// Calling to this method may result unexpedted results if the component | |
142 | /// isn't in the stopped state. Call this method after the component is |
|
142 | /// isn't in the stopped state. Call this method after the component is | |
143 | /// stopped if needed or if the component is in the failed state. |
|
143 | /// stopped if needed or if the component is in the failed state. | |
144 | /// </remarks> |
|
144 | /// </remarks> | |
145 | public void Dispose() { |
|
145 | public void Dispose() { | |
146 | bool dispose = false; |
|
146 | bool dispose = false; | |
147 | lock (SynchronizationObject) { |
|
147 | lock (SynchronizationObject) { | |
148 | if (m_state != ExecutionState.Disposed) { |
|
148 | if (m_state != ExecutionState.Disposed) { | |
149 | dispose = true; |
|
149 | dispose = true; | |
150 | m_state = ExecutionState.Disposed; |
|
150 | m_state = ExecutionState.Disposed; | |
151 | m_cookie = new object(); |
|
151 | m_cookie = new object(); | |
152 | } |
|
152 | } | |
153 | } |
|
153 | } | |
154 | if (dispose) { |
|
154 | if (dispose) { | |
155 | Dispose(true); |
|
155 | Dispose(true); | |
156 | GC.SuppressFinalize(this); |
|
156 | GC.SuppressFinalize(this); | |
157 | } |
|
157 | } | |
158 | } |
|
158 | } | |
159 |
|
159 | |||
160 | ~RunnableComponent() { |
|
160 | ~RunnableComponent() { | |
161 | Dispose(false); |
|
161 | Dispose(false); | |
162 | } |
|
162 | } | |
163 |
|
163 | |||
164 | /// <summary> |
|
164 | /// <summary> | |
165 | /// Releases all resources used by the current component regardless of its |
|
165 | /// Releases all resources used by the current component regardless of its | |
166 | /// execution state. |
|
166 | /// execution state. | |
167 | /// </summary> |
|
167 | /// </summary> | |
168 | /// <param name="disposing">Indicates that the component is disposed |
|
168 | /// <param name="disposing">Indicates that the component is disposed | |
169 | /// during a normal disposing or during GC.</param> |
|
169 | /// during a normal disposing or during GC.</param> | |
170 | protected virtual void Dispose(bool disposing) { |
|
170 | protected virtual void Dispose(bool disposing) { | |
171 | } |
|
171 | } | |
172 |
|
172 | |||
173 | public void Initialize() { |
|
173 | public void Initialize() { | |
174 | var cookie = new object(); |
|
174 | var cookie = new object(); | |
175 | if (MoveInitialize(cookie)) |
|
175 | if (MoveInitialize(cookie)) | |
176 | Safe.NoWait(ScheduleTask(InitializeInternalAsync, CancellationToken.None, cookie)); |
|
176 | Safe.NoWait(ScheduleTask(InitializeInternalAsync, CancellationToken.None, cookie)); | |
177 | else |
|
177 | else | |
178 | throw new InvalidOperationException(); |
|
178 | throw new InvalidOperationException(); | |
179 | } |
|
179 | } | |
180 |
|
180 | |||
181 | /// <summary> |
|
181 | /// <summary> | |
182 | /// This method is used for initialization during a component creation. |
|
182 | /// This method is used for initialization during a component creation. | |
183 | /// </summary> |
|
183 | /// </summary> | |
184 | /// <param name="ct">A cancellation token for this operation</param> |
|
184 | /// <param name="ct">A cancellation token for this operation</param> | |
185 | /// <remarks> |
|
185 | /// <remarks> | |
186 | /// This method should be used for short and mostly syncronous operations, |
|
186 | /// This method should be used for short and mostly syncronous operations, | |
187 | /// other operations which require time to run shoud be placed in |
|
187 | /// other operations which require time to run shoud be placed in | |
188 | /// <see cref="StartInternalAsync(CancellationToken)"/> method. |
|
188 | /// <see cref="StartInternalAsync(CancellationToken)"/> method. | |
189 | /// </remarks> |
|
189 | /// </remarks> | |
190 | protected virtual Task InitializeInternalAsync(CancellationToken ct) { |
|
190 | protected virtual Task InitializeInternalAsync(CancellationToken ct) { | |
191 | return Task.CompletedTask; |
|
191 | return Task.CompletedTask; | |
192 | } |
|
192 | } | |
193 |
|
193 | |||
194 | public void Start(CancellationToken ct) { |
|
194 | public void Start(CancellationToken ct) { | |
195 | var cookie = new object(); |
|
195 | var cookie = new object(); | |
196 | if (MoveStart(cookie)) |
|
196 | if (MoveStart(cookie)) | |
197 | Safe.NoWait(ScheduleStartAndRun(ct, cookie)); |
|
197 | Safe.NoWait(ScheduleStartAndRun(ct, cookie)); | |
198 | else |
|
198 | else | |
199 | throw new InvalidOperationException(); |
|
199 | throw new InvalidOperationException(); | |
200 | } |
|
200 | } | |
201 |
|
201 | |||
202 | async Task ScheduleStartAndRun(CancellationToken ct, object cookie) { |
|
202 | async Task ScheduleStartAndRun(CancellationToken ct, object cookie) { | |
203 | try { |
|
203 | try { | |
204 | await ScheduleTask(StartInternalAsync, ct, cookie); |
|
204 | await ScheduleTask(StartInternalAsync, ct, cookie); | |
205 | RunInternal(); |
|
205 | RunInternal(); | |
206 | } catch (Exception err) { |
|
206 | } catch (Exception err) { | |
207 | Fail(err); |
|
207 | Fail(err); | |
208 | } |
|
208 | } | |
209 | } |
|
209 | } | |
210 |
|
210 | |||
211 | protected virtual Task StartInternalAsync(CancellationToken ct) { |
|
211 | protected virtual Task StartInternalAsync(CancellationToken ct) { | |
212 | return Task.CompletedTask; |
|
212 | return Task.CompletedTask; | |
213 | } |
|
213 | } | |
214 |
|
214 | |||
215 | /// <summary> |
|
215 | /// <summary> | |
216 | /// This method is called after the component is enetered running state, |
|
216 | /// This method is called after the component is enetered running state, | |
217 | /// use this method to |
|
217 | /// use this method to | |
218 | /// </summary> |
|
218 | /// </summary> | |
219 | protected virtual void RunInternal() { |
|
219 | protected virtual void RunInternal() { | |
220 |
|
220 | |||
221 | } |
|
221 | } | |
222 |
|
222 | |||
223 | public void Stop(CancellationToken ct) { |
|
223 | public void Stop(CancellationToken ct) { | |
224 | var cookie = new object(); |
|
224 | var cookie = new object(); | |
225 | if (MoveStop(cookie)) |
|
225 | if (MoveStop(cookie)) | |
226 | Safe.NoWait(ScheduleTask(StopAsync, ct, cookie)); |
|
226 | Safe.NoWait(ScheduleTask(StopAsync, ct, cookie)); | |
227 | else |
|
227 | else | |
228 | throw new InvalidOperationException(); |
|
228 | throw new InvalidOperationException(); | |
229 | } |
|
229 | } | |
230 |
|
230 | |||
231 | async Task StopAsync(CancellationToken ct) { |
|
231 | async Task StopAsync(CancellationToken ct) { | |
232 | m_current.Cancel(); |
|
232 | m_current.Cancel(); | |
233 | await Completion; |
|
233 | await Completion; | |
234 |
|
234 | |||
235 | ct.ThrowIfCancellationRequested(); |
|
235 | ct.ThrowIfCancellationRequested(); | |
236 |
|
236 | |||
237 | await StopInternalAsync(ct); |
|
237 | await StopInternalAsync(ct); | |
238 | } |
|
238 | } | |
239 |
|
239 | |||
240 | protected virtual Task StopInternalAsync(CancellationToken ct) { |
|
240 | protected virtual Task StopInternalAsync(CancellationToken ct) { | |
241 | return Task.CompletedTask; |
|
241 | return Task.CompletedTask; | |
242 | } |
|
242 | } | |
243 |
|
243 | |||
244 | protected void Fail(Exception err) { |
|
244 | protected void Fail(Exception err) { | |
245 | lock(m_lock) { |
|
245 | lock(m_lock) { | |
246 | if (m_state != ExecutionState.Running) |
|
246 | if (m_state != ExecutionState.Running) | |
247 | return; |
|
247 | return; | |
248 | m_cookie = new object(); |
|
248 | m_cookie = new object(); | |
249 | LastError = err; |
|
249 | LastError = err; | |
250 | State = ExecutionState.Failed; |
|
250 | State = ExecutionState.Failed; | |
251 | } |
|
251 | } | |
252 | } |
|
252 | } | |
253 |
|
253 | |||
254 |
|
254 | |||
255 | #region state management |
|
255 | #region state management | |
256 |
|
256 | |||
257 | bool MoveInitialize(object cookie) { |
|
257 | bool MoveInitialize(object cookie) { | |
258 | lock (m_lock) { |
|
258 | lock (m_lock) { | |
259 | if (State != ExecutionState.Created) |
|
259 | if (State != ExecutionState.Created) | |
260 | return false; |
|
260 | return false; | |
261 | State = ExecutionState.Initializing; |
|
261 | State = ExecutionState.Initializing; | |
262 | m_cookie = cookie; |
|
262 | m_cookie = cookie; | |
263 | return true; |
|
263 | return true; | |
264 | } |
|
264 | } | |
265 | } |
|
265 | } | |
266 |
|
266 | |||
267 | bool MoveStart(object cookie) { |
|
267 | bool MoveStart(object cookie) { | |
268 | lock (m_lock) { |
|
268 | lock (m_lock) { | |
269 | if (State != ExecutionState.Ready) |
|
269 | if (State != ExecutionState.Ready) | |
270 | return false; |
|
270 | return false; | |
271 | State = ExecutionState.Starting; |
|
271 | State = ExecutionState.Starting; | |
272 | m_cookie = cookie; |
|
272 | m_cookie = cookie; | |
273 | return true; |
|
273 | return true; | |
274 | } |
|
274 | } | |
275 | } |
|
275 | } | |
276 |
|
276 | |||
277 | bool MoveStop(object cookie) { |
|
277 | bool MoveStop(object cookie) { | |
278 | lock (m_lock) { |
|
278 | lock (m_lock) { | |
279 | if (State != ExecutionState.Starting && State != ExecutionState.Running) |
|
279 | if (State != ExecutionState.Starting && State != ExecutionState.Running) | |
280 | return false; |
|
280 | return false; | |
281 | State = ExecutionState.Stopping; |
|
281 | State = ExecutionState.Stopping; | |
282 | m_cookie = cookie; |
|
282 | m_cookie = cookie; | |
283 | return true; |
|
283 | return true; | |
284 | } |
|
284 | } | |
285 | } |
|
285 | } | |
286 |
|
286 | |||
287 | void MoveSuccess(object cookie) { |
|
287 | void MoveSuccess(object cookie) { | |
288 | lock (m_lock) { |
|
288 | lock (m_lock) { | |
289 | if (m_cookie != cookie) |
|
289 | if (m_cookie != cookie) | |
290 | return; |
|
290 | return; | |
291 | switch (State) { |
|
291 | switch (State) { | |
292 | case ExecutionState.Initializing: |
|
292 | case ExecutionState.Initializing: | |
293 | State = ExecutionState.Ready; |
|
293 | State = ExecutionState.Ready; | |
294 | break; |
|
294 | break; | |
295 | case ExecutionState.Starting: |
|
295 | case ExecutionState.Starting: | |
296 | State = ExecutionState.Running; |
|
296 | State = ExecutionState.Running; | |
297 | break; |
|
297 | break; | |
298 | case ExecutionState.Stopping: |
|
298 | case ExecutionState.Stopping: | |
299 | State = ExecutionState.Stopped; |
|
299 | State = ExecutionState.Stopped; | |
300 | break; |
|
300 | break; | |
301 | } |
|
301 | } | |
302 | } |
|
302 | } | |
303 | } |
|
303 | } | |
304 |
|
304 | |||
305 | void MoveFailed(Exception err, object cookie) { |
|
305 | void MoveFailed(Exception err, object cookie) { | |
306 | lock (m_lock) { |
|
306 | lock (m_lock) { | |
307 | if (m_cookie != cookie) |
|
307 | if (m_cookie != cookie) | |
308 | return; |
|
308 | return; | |
309 | LastError = err; |
|
309 | LastError = err; | |
310 | State = ExecutionState.Failed; |
|
310 | State = ExecutionState.Failed; | |
311 | } |
|
311 | } | |
312 | } |
|
312 | } | |
313 |
|
313 | |||
314 | Task ScheduleTask(Func<CancellationToken, Task> next, CancellationToken ct, object cookie) { |
|
314 | Task ScheduleTask(Func<CancellationToken, Task> next, CancellationToken ct, object cookie) { | |
315 |
|
315 | |||
316 | var op = AsyncOperationDescriptor.Create(async (x) => { |
|
316 | var op = AsyncOperationDescriptor.Create(async (x) => { | |
317 | try { |
|
317 | try { | |
318 | await next(x); |
|
318 | await next(x); | |
319 | MoveSuccess(cookie); |
|
319 | MoveSuccess(cookie); | |
320 | } catch (Exception e) { |
|
320 | } catch (Exception e) { | |
321 | MoveFailed(e, cookie); |
|
321 | MoveFailed(e, cookie); | |
|
322 | throw; | |||
322 | } |
|
323 | } | |
323 | }, ct); |
|
324 | }, ct); | |
324 |
|
325 | |||
325 | m_current = op; |
|
326 | m_current = op; | |
326 | return op.Task; |
|
327 | return op.Task; | |
327 | } |
|
328 | } | |
328 |
|
329 | |||
329 | #endregion |
|
330 | #endregion | |
330 | } |
|
331 | } | |
331 | } No newline at end of file |
|
332 | } |
@@ -1,64 +1,64 | |||||
1 | using System; |
|
1 | using System; | |
2 | using System.Diagnostics; |
|
2 | using System.Diagnostics; | |
3 | using System.Threading.Tasks; |
|
3 | using System.Threading.Tasks; | |
4 |
|
4 | |||
5 | namespace Implab { |
|
5 | namespace Implab { | |
6 | /// <summary> |
|
6 | /// <summary> | |
7 | /// This class is responsible for the promise resolution, dispatching and chaining |
|
7 | /// This class is responsible for the promise resolution, dispatching and chaining | |
8 | /// </summary> |
|
8 | /// </summary> | |
9 | public class Deferred : IResolvable { |
|
9 | public class Deferred : IResolvable { | |
10 |
|
10 | |||
11 | readonly Promise m_promise; |
|
11 | readonly Promise m_promise; | |
12 | internal Deferred() { |
|
12 | internal Deferred() { | |
13 | m_promise = new Promise(); |
|
13 | m_promise = new Promise(); | |
14 | } |
|
14 | } | |
15 |
|
15 | |||
16 |
internal Deferred(Promise promise |
|
16 | internal Deferred(Promise promise) { | |
17 | Debug.Assert(promise != null); |
|
17 | Debug.Assert(promise != null); | |
18 | m_promise = promise; |
|
18 | m_promise = promise; | |
19 | } |
|
19 | } | |
20 |
|
20 | |||
21 | public IPromise Promise { |
|
21 | public IPromise Promise { | |
22 | get { return m_promise; } |
|
22 | get { return m_promise; } | |
23 | } |
|
23 | } | |
24 |
|
24 | |||
25 | public void Cancel() { |
|
25 | public void Cancel() { | |
26 | Reject(new OperationCanceledException()); |
|
26 | Reject(new OperationCanceledException()); | |
27 | } |
|
27 | } | |
28 |
|
28 | |||
29 | public virtual void Reject(Exception error) { |
|
29 | public virtual void Reject(Exception error) { | |
30 | if (error is PromiseTransientException) |
|
30 | if (error is PromiseTransientException) | |
31 | error = ((PromiseTransientException)error).InnerException; |
|
31 | error = ((PromiseTransientException)error).InnerException; | |
32 |
|
32 | |||
33 | m_promise.RejectPromise(error); |
|
33 | m_promise.RejectPromise(error); | |
34 | } |
|
34 | } | |
35 |
|
35 | |||
36 | public virtual void Resolve() { |
|
36 | public virtual void Resolve() { | |
37 | m_promise.ResolvePromise(); |
|
37 | m_promise.ResolvePromise(); | |
38 | } |
|
38 | } | |
39 |
|
39 | |||
40 | public virtual void Resolve(IPromise thenable) { |
|
40 | public virtual void Resolve(IPromise thenable) { | |
41 | if (thenable == null) |
|
41 | if (thenable == null) | |
42 | Reject(new Exception("The promise or task are expected")); |
|
42 | Reject(new Exception("The promise or task are expected")); | |
43 | if (thenable == m_promise) |
|
43 | if (thenable == m_promise) | |
44 | Reject(new Exception("The promise cannot be resolved with oneself")); |
|
44 | Reject(new Exception("The promise cannot be resolved with oneself")); | |
45 |
|
45 | |||
46 | try { |
|
46 | try { | |
47 | thenable.Then(this); |
|
47 | thenable.Then(this); | |
48 | } catch (Exception err) { |
|
48 | } catch (Exception err) { | |
49 | Reject(err); |
|
49 | Reject(err); | |
50 | } |
|
50 | } | |
51 | } |
|
51 | } | |
52 |
|
52 | |||
53 | public virtual void Resolve(Task thenable) { |
|
53 | public virtual void Resolve(Task thenable) { | |
54 | if (thenable == null) |
|
54 | if (thenable == null) | |
55 | Reject(new Exception("The promise or task are expected")); |
|
55 | Reject(new Exception("The promise or task are expected")); | |
56 | try { |
|
56 | try { | |
57 | thenable.Then(this); |
|
57 | thenable.Then(this); | |
58 | } catch(Exception err) { |
|
58 | } catch(Exception err) { | |
59 | Reject(err); |
|
59 | Reject(err); | |
60 | } |
|
60 | } | |
61 | } |
|
61 | } | |
62 |
|
62 | |||
63 | } |
|
63 | } | |
64 | } No newline at end of file |
|
64 | } |
@@ -1,19 +1,22 | |||||
1 | <Project Sdk="Microsoft.NET.Sdk"> |
|
1 | <Project Sdk="Microsoft.NET.Sdk"> | |
2 |
|
2 | |||
3 | <PropertyGroup> |
|
3 | <PropertyGroup> | |
4 | <Authors>Sergey Smirnov</Authors> |
|
4 | <Authors>Sergey Smirnov</Authors> | |
5 | <Title>Implab library</Title> |
|
5 | <Title>Implab library</Title> | |
6 | <Description>Provides some helper clesses like XML serialization helpers, JSON XML reader, |
|
6 | <Description>Provides some helper clesses like XML serialization helpers, JSON XML reader, | |
7 | JSON pull-parser, ECMA-style promises, lightweight synchonization routines Signal |
|
7 | JSON pull-parser, ECMA-style promises, lightweight synchonization routines Signal | |
8 | and SharedLock, Trace helpers on top of System.Diagnostics, ObjectPool etc. |
|
8 | and SharedLock, Trace helpers on top of System.Diagnostics, ObjectPool etc. | |
9 | </Description> |
|
9 | </Description> | |
10 | <Copyright>2012-2018 Sergey Smirnov</Copyright> |
|
10 | <Copyright>2012-2018 Sergey Smirnov</Copyright> | |
11 | <LicenseUrl>https://opensource.org/licenses/BSD-2-Clause</LicenseUrl> |
|
11 | <Version>3.0.6</Version> | |
12 | <ProjectUrl>https://implab.org</ProjectUrl> |
|
12 | <PackageLicenseUrl>https://opensource.org/licenses/BSD-2-Clause</PackageLicenseUrl> | |
|
13 | <PackageProjectUrl>https://implab.org</PackageProjectUrl> | |||
13 | <RepositoryUrl>https://hg.implab.org/pub/ImplabNet/</RepositoryUrl> |
|
14 | <RepositoryUrl>https://hg.implab.org/pub/ImplabNet/</RepositoryUrl> | |
|
15 | <RepositoryType>mercurial</RepositoryType> | |||
|
16 | <PackageTags>IMPLAB;Json pull-parser;Json Xml;async;diagnostics;serialization;</PackageTags> | |||
14 | <TargetFrameworks>netstandard2.0;net46</TargetFrameworks> |
|
17 | <TargetFrameworks>netstandard2.0;net46</TargetFrameworks> | |
15 | <FrameworkPathOverride Condition="'$(TargetFramework)'=='net46' and '$(OSTYPE)'=='linux'">/usr/lib/mono/4.5/</FrameworkPathOverride> |
|
18 | <FrameworkPathOverride Condition="'$(TargetFramework)'=='net46' and '$(OSTYPE)'=='linux'">/usr/lib/mono/4.5/</FrameworkPathOverride> | |
16 | <DefineConstants Condition="'$(TargetFramework)'=='net46'">NETFX_TRACE_BUG;$(DefineConstants)</DefineConstants> |
|
19 | <DefineConstants Condition="'$(TargetFramework)'=='net46'">NETFX_TRACE_BUG;$(DefineConstants)</DefineConstants> | |
17 | </PropertyGroup> |
|
20 | </PropertyGroup> | |
18 |
|
21 | |||
19 | </Project> |
|
22 | </Project> |
@@ -1,208 +1,222 | |||||
1 | using System; |
|
1 | using System; | |
2 | using System.Collections.Generic; |
|
2 | using System.Collections.Generic; | |
3 | using System.Diagnostics; |
|
3 | using System.Diagnostics; | |
4 | using System.Reflection; |
|
4 | using System.Reflection; | |
|
5 | using System.Threading; | |||
5 | using System.Threading.Tasks; |
|
6 | using System.Threading.Tasks; | |
6 | using Implab.Parallels; |
|
7 | using Implab.Parallels; | |
7 |
|
8 | |||
8 | namespace Implab { |
|
9 | namespace Implab { | |
9 | public class Promise : AbstractEvent<IResolvable>, IPromise { |
|
10 | public class Promise : AbstractEvent<IResolvable>, IPromise { | |
10 | public static IDispatcher DefaultDispatcher { |
|
11 | public static IDispatcher DefaultDispatcher { | |
11 | get { |
|
12 | get { | |
12 | return ThreadPoolDispatcher.Instance; |
|
13 | return ThreadPoolDispatcher.Instance; | |
13 | } |
|
14 | } | |
14 | } |
|
15 | } | |
15 |
|
16 | |||
16 | class ResolvableSignal : IResolvable { |
|
17 | class ResolvableSignal : IResolvable { | |
17 | public Signal Signal { get; private set; } |
|
18 | public Signal Signal { get; private set; } | |
18 | public ResolvableSignal() { |
|
19 | public ResolvableSignal() { | |
19 | Signal = new Signal(); |
|
20 | Signal = new Signal(); | |
20 | } |
|
21 | } | |
21 |
|
22 | |||
22 |
|
23 | |||
23 | public void Reject(Exception error) { |
|
24 | public void Reject(Exception error) { | |
24 | Signal.Set(); |
|
25 | Signal.Set(); | |
25 | } |
|
26 | } | |
26 |
|
27 | |||
27 | public void Resolve() { |
|
28 | public void Resolve() { | |
28 | Signal.Set(); |
|
29 | Signal.Set(); | |
29 | } |
|
30 | } | |
30 | } |
|
31 | } | |
31 |
|
32 | |||
32 | PromiseState m_state; |
|
33 | PromiseState m_state; | |
33 |
|
34 | |||
34 | Exception m_error; |
|
35 | Exception m_error; | |
35 |
|
36 | |||
36 | public bool IsRejected { |
|
37 | public bool IsRejected { | |
37 | get { |
|
38 | get { | |
38 | return m_state == PromiseState.Rejected; |
|
39 | return m_state == PromiseState.Rejected; | |
39 | } |
|
40 | } | |
40 | } |
|
41 | } | |
41 |
|
42 | |||
42 | public bool IsFulfilled { |
|
43 | public bool IsFulfilled { | |
43 | get { |
|
44 | get { | |
44 | return m_state == PromiseState.Fulfilled; |
|
45 | return m_state == PromiseState.Fulfilled; | |
45 | } |
|
46 | } | |
46 | } |
|
47 | } | |
47 |
|
48 | |||
48 | public Exception RejectReason { |
|
49 | public Exception RejectReason { | |
49 | get { |
|
50 | get { | |
50 | return m_error; |
|
51 | return m_error; | |
51 | } |
|
52 | } | |
52 | } |
|
53 | } | |
53 |
|
54 | |||
54 | internal Promise() { |
|
55 | internal Promise() { | |
55 |
|
56 | |||
56 | } |
|
57 | } | |
57 |
|
58 | |||
58 | internal void ResolvePromise() { |
|
59 | internal void ResolvePromise() { | |
59 | if (BeginTransit()) { |
|
60 | if (BeginTransit()) { | |
60 | m_state = PromiseState.Fulfilled; |
|
61 | m_state = PromiseState.Fulfilled; | |
61 | CompleteTransit(); |
|
62 | CompleteTransit(); | |
62 | } |
|
63 | } | |
63 | } |
|
64 | } | |
64 |
|
65 | |||
65 | internal void RejectPromise(Exception reason) { |
|
66 | internal void RejectPromise(Exception reason) { | |
66 | if (BeginTransit()) { |
|
67 | if (BeginTransit()) { | |
67 | m_error = reason; |
|
68 | m_error = reason; | |
68 | m_state = PromiseState.Rejected; |
|
69 | m_state = PromiseState.Rejected; | |
69 | CompleteTransit(); |
|
70 | CompleteTransit(); | |
70 | } |
|
71 | } | |
71 | } |
|
72 | } | |
72 |
|
73 | |||
73 |
|
74 | |||
74 | #region implemented abstract members of AbstractPromise |
|
75 | #region implemented abstract members of AbstractPromise | |
75 |
|
76 | |||
76 | protected override void SignalHandler(IResolvable handler) { |
|
77 | protected override void SignalHandler(IResolvable handler) { | |
77 | switch (m_state) { |
|
78 | switch (m_state) { | |
78 | case PromiseState.Fulfilled: |
|
79 | case PromiseState.Fulfilled: | |
79 | handler.Resolve(); |
|
80 | handler.Resolve(); | |
80 | break; |
|
81 | break; | |
81 | case PromiseState.Rejected: |
|
82 | case PromiseState.Rejected: | |
82 | handler.Reject(RejectReason); |
|
83 | handler.Reject(RejectReason); | |
83 | break; |
|
84 | break; | |
84 | default: |
|
85 | default: | |
85 | throw new InvalidOperationException(String.Format("Invalid promise signal: {0}", m_state)); |
|
86 | throw new InvalidOperationException(String.Format("Invalid promise signal: {0}", m_state)); | |
86 | } |
|
87 | } | |
87 | } |
|
88 | } | |
88 |
|
89 | |||
89 | protected void WaitResult(int timeout) { |
|
90 | protected void WaitResult(int timeout) { | |
90 | if (!(IsResolved || GetFulfillSignal().Wait(timeout))) |
|
91 | if (!(IsResolved || GetFulfillSignal().Wait(timeout))) | |
91 | throw new TimeoutException(); |
|
92 | throw new TimeoutException(); | |
92 | } |
|
93 | } | |
93 |
|
94 | |||
94 | protected Signal GetFulfillSignal() { |
|
95 | protected Signal GetFulfillSignal() { | |
95 | var next = new ResolvableSignal(); |
|
96 | var next = new ResolvableSignal(); | |
96 | Then(next); |
|
97 | Then(next); | |
97 | return next.Signal; |
|
98 | return next.Signal; | |
98 | } |
|
99 | } | |
99 |
|
100 | |||
100 | #endregion |
|
101 | #endregion | |
101 |
|
102 | |||
102 |
|
103 | |||
103 | public Type ResultType { |
|
104 | public Type ResultType { | |
104 | get { |
|
105 | get { | |
105 | return typeof(void); |
|
106 | return typeof(void); | |
106 | } |
|
107 | } | |
107 | } |
|
108 | } | |
108 |
|
109 | |||
109 |
|
110 | |||
110 | protected void Rethrow() { |
|
111 | protected void Rethrow() { | |
111 | Debug.Assert(m_error != null); |
|
112 | Debug.Assert(m_error != null); | |
112 | if (m_error is OperationCanceledException) |
|
113 | if (m_error is OperationCanceledException) | |
113 | throw new OperationCanceledException("Operation cancelled", m_error); |
|
114 | throw new OperationCanceledException("Operation cancelled", m_error); | |
114 | else |
|
115 | else | |
115 | throw new TargetInvocationException(m_error); |
|
116 | throw new TargetInvocationException(m_error); | |
116 | } |
|
117 | } | |
117 |
|
118 | |||
118 | public void Then(IResolvable next) { |
|
119 | public void Then(IResolvable next) { | |
119 | AddHandler(next); |
|
120 | AddHandler(next); | |
120 | } |
|
121 | } | |
121 |
|
122 | |||
122 | public IPromise<T> Cast<T>() { |
|
123 | public IPromise<T> Cast<T>() { | |
123 | throw new InvalidCastException(); |
|
124 | throw new InvalidCastException(); | |
124 | } |
|
125 | } | |
125 |
|
126 | |||
126 | public void Join() { |
|
127 | public void Join() { | |
127 | WaitResult(-1); |
|
128 | WaitResult(-1); | |
128 | if (IsRejected) |
|
129 | if (IsRejected) | |
129 | Rethrow(); |
|
130 | Rethrow(); | |
130 | } |
|
131 | } | |
131 |
|
132 | |||
132 | public void Join(int timeout) { |
|
133 | public void Join(int timeout) { | |
133 | WaitResult(timeout); |
|
134 | WaitResult(timeout); | |
134 | if (IsRejected) |
|
135 | if (IsRejected) | |
135 | Rethrow(); |
|
136 | Rethrow(); | |
136 | } |
|
137 | } | |
137 |
|
138 | |||
138 | public static ResolvedPromise Resolve() { |
|
139 | public static ResolvedPromise Resolve() { | |
139 | return new ResolvedPromise(); |
|
140 | return new ResolvedPromise(); | |
140 | } |
|
141 | } | |
141 |
|
142 | |||
142 | public static ResolvedPromise<T> Resolve<T>(T result) { |
|
143 | public static ResolvedPromise<T> Resolve<T>(T result) { | |
143 | return new ResolvedPromise<T>(result); |
|
144 | return new ResolvedPromise<T>(result); | |
144 | } |
|
145 | } | |
145 |
|
146 | |||
146 | public static RejectedPromise Reject(Exception reason) { |
|
147 | public static RejectedPromise Reject(Exception reason) { | |
147 | return new RejectedPromise(reason); |
|
148 | return new RejectedPromise(reason); | |
148 | } |
|
149 | } | |
149 |
|
150 | |||
150 | public static RejectedPromise<T> Reject<T>(Exception reason) { |
|
151 | public static RejectedPromise<T> Reject<T>(Exception reason) { | |
151 | return new RejectedPromise<T>(reason); |
|
152 | return new RejectedPromise<T>(reason); | |
152 | } |
|
153 | } | |
153 |
|
154 | |||
154 | public static IPromise Create(PromiseExecutor executor) { |
|
155 | public static IPromise Create(PromiseExecutor executor) { | |
155 | Safe.ArgumentNotNull(executor, nameof(executor)); |
|
156 | return Create(executor, CancellationToken.None); | |
|
157 | } | |||
156 |
|
158 | |||
157 | var p = new Promise(); |
|
159 | public static IPromise Create(PromiseExecutor executor, CancellationToken ct) { | |
158 | var d = new Deferred(p, DefaultDispatcher); |
|
160 | Safe.ArgumentNotNull(executor, nameof(executor)); | |
|
161 | if (!ct.CanBeCanceled) | |||
|
162 | return Create(executor); | |||
|
163 | ||||
|
164 | var d = new Deferred(); | |||
|
165 | ||||
|
166 | ct.Register(d.Cancel); | |||
159 |
|
167 | |||
160 | try { |
|
168 | try { | |
|
169 | if (!ct.IsCancellationRequested) | |||
161 | executor(d); |
|
170 | executor(d); | |
162 |
} catch |
|
171 | } catch(Exception e) { | |
163 | d.Reject(e); |
|
172 | d.Reject(e); | |
164 | } |
|
173 | } | |
165 |
|
||||
166 | return d.Promise; |
|
174 | return d.Promise; | |
167 | } |
|
175 | } | |
168 |
|
176 | |||
169 | public static IPromise<T> Create<T>(PromiseExecutor<T> executor) { |
|
177 | public static IPromise<T> Create<T>(PromiseExecutor<T> executor) { | |
|
178 | return Create(executor, CancellationToken.None); | |||
|
179 | } | |||
|
180 | ||||
|
181 | public static IPromise<T> Create<T>(PromiseExecutor<T> executor, CancellationToken ct) { | |||
170 | Safe.ArgumentNotNull(executor, nameof(executor)); |
|
182 | Safe.ArgumentNotNull(executor, nameof(executor)); | |
171 |
|
183 | |||
172 | var d = new Deferred<T>(); |
|
184 | var d = new Deferred<T>(); | |
173 |
|
185 | |||
|
186 | ct.Register(d.Cancel); | |||
|
187 | ||||
174 | try { |
|
188 | try { | |
|
189 | if (!ct.IsCancellationRequested) | |||
175 | executor(d); |
|
190 | executor(d); | |
176 |
} catch |
|
191 | } catch(Exception e) { | |
177 | d.Reject(e); |
|
192 | d.Reject(e); | |
178 | } |
|
193 | } | |
179 |
|
||||
180 | return d.Promise; |
|
194 | return d.Promise; | |
181 | } |
|
195 | } | |
182 |
|
196 | |||
183 | public static IPromise All(IEnumerable<IPromise> promises) { |
|
197 | public static IPromise All(IEnumerable<IPromise> promises) { | |
184 | var d = new Deferred(); |
|
198 | var d = new Deferred(); | |
185 | var all = new PromiseAll(d); |
|
199 | var all = new PromiseAll(d); | |
186 | foreach (var promise in promises) { |
|
200 | foreach (var promise in promises) { | |
187 | all.AddPromise(promise); |
|
201 | all.AddPromise(promise); | |
188 | if (all.Done) |
|
202 | if (all.Done) | |
189 | break; |
|
203 | break; | |
190 | } |
|
204 | } | |
191 | all.Complete(); |
|
205 | all.Complete(); | |
192 | return all.ResultPromise; |
|
206 | return all.ResultPromise; | |
193 | } |
|
207 | } | |
194 |
|
208 | |||
195 | public static IPromise<T[]> All<T>(IEnumerable<IPromise<T>> promises, Func<T, IPromise> cleanup = null, Action cancel = null) { |
|
209 | public static IPromise<T[]> All<T>(IEnumerable<IPromise<T>> promises, Func<T, IPromise> cleanup = null, Action cancel = null) { | |
196 | var d = new Deferred<T[]>(); |
|
210 | var d = new Deferred<T[]>(); | |
197 | var all = new PromiseAll<T>(d, cleanup, cancel); |
|
211 | var all = new PromiseAll<T>(d, cleanup, cancel); | |
198 | foreach (var promise in promises) { |
|
212 | foreach (var promise in promises) { | |
199 | all.AddPromise(promise); |
|
213 | all.AddPromise(promise); | |
200 | if (all.Done) |
|
214 | if (all.Done) | |
201 | break; |
|
215 | break; | |
202 | } |
|
216 | } | |
203 | all.Complete(); |
|
217 | all.Complete(); | |
204 | return all.ResultPromise; |
|
218 | return all.ResultPromise; | |
205 | } |
|
219 | } | |
206 | } |
|
220 | } | |
207 | } |
|
221 | } | |
208 |
|
222 |
1 | NO CONTENT: file was removed |
|
NO CONTENT: file was removed |
General Comments 3
ok, latest stable version should be in default
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