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implab » ImplabNet
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Code review, added a non generic version of SyncContextPromise
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r211:3eb3255d8cc5 v2
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1 using System.Threading;
2 using System;
3
4 namespace Implab {
5 public class SyncContextPromise<T> : Promise<T> {
6 readonly SynchronizationContext m_context;
7
8 public SyncContextPromise(SynchronizationContext context) {
9 Safe.ArgumentNotNull(context, "context");
10 m_context = context;
11 }
12
13 protected override void SignalHandler(HandlerDescriptor handler, int signal) {
14 m_context.Post(x => base.SignalHandler(handler, signal), null);
15 }
16 }
17 }
18
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@@ -1,188 +1,204
1 1 using Implab.Components;
2 2 using Implab.Diagnostics;
3 3 using Implab.Parallels;
4 4 using System;
5 5 using System.Collections.Generic;
6 6 using System.Linq;
7 7 using System.Text;
8 8 using System.Threading;
9 9 using System.Threading.Tasks;
10 10 using System.Windows.Forms;
11 11
12 12 namespace Implab.Fx {
13 13 public class StaApartment : RunnableComponent {
14 14 readonly Thread m_worker;
15 15 SynchronizationContext m_syncContext;
16 SyncContextPromise m_enterPromise;
17
16 18 readonly Promise m_threadStarted;
17 19 readonly Promise m_threadTerminated;
18 20
19 21 public StaApartment() : base(true) {
20 22 m_threadStarted = new Promise();
21 23 m_threadTerminated = new Promise();
22 24
23 25 m_worker = new Thread(WorkerEntry);
24 26 m_worker.SetApartmentState(ApartmentState.STA);
25 27 m_worker.IsBackground = true;
26 28 m_worker.Name = "STA managed aparment";
27 29 }
28 30
29 31 public SynchronizationContext SyncContext {
30 32 get {
31 33 if (m_syncContext == null)
32 34 throw new InvalidOperationException();
33 35 return m_syncContext;
34 36 }
35 37 }
36 38
39 /// <summary>
40 /// Returns the promise which will dispatch all handlers inside the apartment using it's <see cref="SynchronizationContext"/>
41 /// </summary>
42 /// <remarks>
43 /// Current implementation is optimized and will lost aync operation stack
44 /// </remarks>
45 /// <returns>The promise</returns>
46 public IPromise Enter() {
47 if (m_enterPromise == null)
48 throw new InvalidOperationException();
49 return m_enterPromise;
50 }
51
37 52 public IPromise Invoke(Action<ICancellationToken> action) {
38 53 Safe.ArgumentNotNull(action, "action");
39 54
40 55 if (m_syncContext == null)
41 56 throw new InvalidOperationException();
42 57 var p = new Promise();
43 58 var lop = TraceContext.Instance.CurrentOperation;
44 59
45 60 m_syncContext.Post(x => {
46 61 TraceContext.Instance.EnterLogicalOperation(lop, false);
47 62 try {
48 63 if (p.CancelOperationIfRequested())
49 64 return;
50 65
51 66 action(p);
52 67 p.Resolve();
53 68 } catch (Exception e) {
54 69 p.Reject(e);
55 70 } finally {
56 71 TraceContext.Instance.Leave();
57 72 }
58 73 }, null);
59 74
60 75 return p;
61 76 }
62 77
63 78 public IPromise<T> Invoke<T>(Func<ICancellationToken, T> action) {
64 79 Safe.ArgumentNotNull(action, "action");
65 80
66 81 if (m_syncContext == null)
67 82 throw new InvalidOperationException();
68 83 var p = new Promise<T>();
69 84 var lop = TraceContext.Instance.CurrentOperation;
70 85
71 86 m_syncContext.Post(x => {
72 87 TraceContext.Instance.EnterLogicalOperation(lop, false);
73 88 try {
74 89 if (p.CancelOperationIfRequested())
75 90 return;
76 91 p.Resolve(action(p));
77 92 } catch (Exception e) {
78 93 p.Reject(e);
79 94 } finally {
80 95 TraceContext.Instance.Leave();
81 96 }
82 97 }, null);
83 98
84 99 return p;
85 100 }
86 101
87 102 public IPromise Invoke(Action action) {
88 103 Safe.ArgumentNotNull(action, "action");
89 104
90 105 if (m_syncContext == null)
91 106 throw new InvalidOperationException();
92 107 var p = new Promise();
93 108 var lop = TraceContext.Instance.CurrentOperation;
94 109
95 110 m_syncContext.Post(x => {
96 111 TraceContext.Instance.EnterLogicalOperation(lop, false);
97 112 try {
98 113 if (p.CancelOperationIfRequested())
99 114 return;
100 115 action();
101 116 p.Resolve();
102 117 } catch (Exception e) {
103 118 p.Reject(e);
104 119 } finally {
105 120 TraceContext.Instance.Leave();
106 121 }
107 122 }, null);
108 123
109 124 return p;
110 125 }
111 126
112 127 public IPromise<T> Invoke<T>(Func<T> action) {
113 128 Safe.ArgumentNotNull(action, "action");
114 129
115 130 if (m_syncContext == null)
116 131 throw new InvalidOperationException();
117 132 var p = new Promise<T>();
118 133 var lop = TraceContext.Instance.CurrentOperation;
119 134
120 135 m_syncContext.Post(x => {
121 136 TraceContext.Instance.EnterLogicalOperation(lop, false);
122 137 try {
123 138 if (p.CancelOperationIfRequested())
124 139 return;
125 140 p.Resolve(action());
126 141 } catch (Exception e) {
127 142 p.Reject(e);
128 143 } finally {
129 144 TraceContext.Instance.Leave();
130 145 }
131 146 }, null);
132 147
133 148 return p;
134 149 }
135 150
136 151
137 152 /// <summary>
138 153 /// Starts the apartment thread
139 154 /// </summary>
140 155 /// <returns>Promise which will be fullfiled when the syncronization
141 156 /// context will be ready to accept tasks.</returns>
142 157 protected override IPromise OnStart() {
143 158 m_worker.Start();
144 159 return m_threadStarted;
145 160 }
146 161
147 162 /// <summary>
148 163 /// Posts quit message to the message loop of the apartment
149 164 /// </summary>
150 165 /// <returns>Promise</returns>
151 166 protected override IPromise OnStop() {
152 167 m_syncContext.Post(x => Application.ExitThread(), null);
153 168 return m_threadTerminated;
154 169 }
155 170
156 171 void WorkerEntry() {
157 172 m_syncContext = new WindowsFormsSynchronizationContext();
158 173 SynchronizationContext.SetSynchronizationContext(m_syncContext);
159
174 m_enterPromise = new SyncContextPromise(m_syncContext);
160 175 m_threadStarted.Resolve();
176 m_enterPromise.Resolve();
161 177
162 178 Application.OleRequired();
163 179 Application.Run();
164 180
165 181 try {
166 182 OnShutdown();
167 183 m_threadTerminated.Resolve();
168 184 } catch(Exception err) {
169 185 m_threadTerminated.Reject(err);
170 186 }
171 187 }
172 188
173 189 /// <summary>
174 190 /// Called from the STA apartment after the message loop is terminated, override this
175 191 /// method to handle apartment cleanup.
176 192 /// </summary>
177 193 protected virtual void OnShutdown() {
178 194 }
179 195
180 196 protected override void Dispose(bool disposing) {
181 197 if (disposing) {
182 198 if (!m_threadTerminated.IsResolved)
183 199 m_syncContext.Post(x => Application.ExitThread(), null);
184 200 }
185 201 base.Dispose(disposing);
186 202 }
187 203 }
188 204 }
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@@ -1,274 +1,275
1 1 <?xml version="1.0" encoding="utf-8"?>
2 2 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
3 3 <PropertyGroup>
4 4 <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
5 5 <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
6 6 <ProjectGuid>{F550F1F8-8746-4AD0-9614-855F4C4B7F05}</ProjectGuid>
7 7 <OutputType>Library</OutputType>
8 8 <RootNamespace>Implab</RootNamespace>
9 9 <AssemblyName>Implab</AssemblyName>
10 10 <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
11 11 <ReleaseVersion>0.2</ReleaseVersion>
12 12 <ProductVersion>8.0.30703</ProductVersion>
13 13 <SchemaVersion>2.0</SchemaVersion>
14 14 </PropertyGroup>
15 15 <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
16 16 <DebugSymbols>true</DebugSymbols>
17 17 <DebugType>full</DebugType>
18 18 <Optimize>false</Optimize>
19 19 <OutputPath>bin\Debug</OutputPath>
20 20 <DefineConstants>TRACE;DEBUG;</DefineConstants>
21 21 <ErrorReport>prompt</ErrorReport>
22 22 <WarningLevel>4</WarningLevel>
23 23 <ConsolePause>false</ConsolePause>
24 24 <RunCodeAnalysis>true</RunCodeAnalysis>
25 25 </PropertyGroup>
26 26 <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
27 27 <DebugType>full</DebugType>
28 28 <Optimize>true</Optimize>
29 29 <OutputPath>bin\Release</OutputPath>
30 30 <ErrorReport>prompt</ErrorReport>
31 31 <WarningLevel>4</WarningLevel>
32 32 <ConsolePause>false</ConsolePause>
33 33 </PropertyGroup>
34 34 <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug 4.5|AnyCPU' ">
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36 36 <DebugType>full</DebugType>
37 37 <Optimize>false</Optimize>
38 38 <OutputPath>bin\Debug</OutputPath>
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40 40 <ErrorReport>prompt</ErrorReport>
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48 48 <ErrorReport>prompt</ErrorReport>
49 49 <WarningLevel>4</WarningLevel>
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51 51 <DefineConstants>NET_4_5</DefineConstants>
52 52 </PropertyGroup>
53 53 <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMono|AnyCPU' ">
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57 57 <OutputPath>bin\Debug</OutputPath>
58 58 <DefineConstants>TRACE;DEBUG;NET_4_5;MONO</DefineConstants>
59 59 <ErrorReport>prompt</ErrorReport>
60 60 <WarningLevel>4</WarningLevel>
61 61 <RunCodeAnalysis>true</RunCodeAnalysis>
62 62 <ConsolePause>false</ConsolePause>
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64 64 <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMono|AnyCPU' ">
65 65 <Optimize>true</Optimize>
66 66 <OutputPath>bin\Release</OutputPath>
67 67 <DefineConstants>NET_4_5;MONO;</DefineConstants>
68 68 <ErrorReport>prompt</ErrorReport>
69 69 <WarningLevel>4</WarningLevel>
70 70 <ConsolePause>false</ConsolePause>
71 71 </PropertyGroup>
72 72 <ItemGroup>
73 73 <Reference Include="System" />
74 74 <Reference Include="System.Xml" />
75 75 <Reference Include="mscorlib" />
76 76 </ItemGroup>
77 77 <ItemGroup>
78 78 <Compile Include="Components\StateChangeEventArgs.cs" />
79 79 <Compile Include="CustomEqualityComparer.cs" />
80 80 <Compile Include="Diagnostics\ConsoleTraceListener.cs" />
81 81 <Compile Include="Diagnostics\LogChannel.cs" />
82 82 <Compile Include="Diagnostics\LogicalOperation.cs" />
83 83 <Compile Include="Diagnostics\TextFileListener.cs" />
84 84 <Compile Include="Diagnostics\TraceLog.cs" />
85 85 <Compile Include="Diagnostics\TraceEvent.cs" />
86 86 <Compile Include="Diagnostics\TraceEventType.cs" />
87 87 <Compile Include="ICancellable.cs" />
88 88 <Compile Include="IProgressHandler.cs" />
89 89 <Compile Include="IProgressNotifier.cs" />
90 90 <Compile Include="IPromiseT.cs" />
91 91 <Compile Include="IPromise.cs" />
92 92 <Compile Include="IServiceLocator.cs" />
93 93 <Compile Include="ITaskController.cs" />
94 94 <Compile Include="Parallels\DispatchPool.cs" />
95 95 <Compile Include="Parallels\ArrayTraits.cs" />
96 96 <Compile Include="Parallels\MTQueue.cs" />
97 97 <Compile Include="Parallels\WorkerPool.cs" />
98 98 <Compile Include="ProgressInitEventArgs.cs" />
99 99 <Compile Include="Properties\AssemblyInfo.cs" />
100 100 <Compile Include="Parallels\AsyncPool.cs" />
101 101 <Compile Include="Safe.cs" />
102 <Compile Include="SyncContextPromise.cs" />
102 103 <Compile Include="ValueEventArgs.cs" />
103 104 <Compile Include="PromiseExtensions.cs" />
104 <Compile Include="SyncContextPromise.cs" />
105 <Compile Include="SyncContextPromiseT.cs" />
105 106 <Compile Include="Diagnostics\OperationContext.cs" />
106 107 <Compile Include="Diagnostics\TraceContext.cs" />
107 108 <Compile Include="Diagnostics\LogEventArgs.cs" />
108 109 <Compile Include="Diagnostics\LogEventArgsT.cs" />
109 110 <Compile Include="Diagnostics\Extensions.cs" />
110 111 <Compile Include="PromiseEventType.cs" />
111 112 <Compile Include="Parallels\AsyncQueue.cs" />
112 113 <Compile Include="PromiseT.cs" />
113 114 <Compile Include="IDeferred.cs" />
114 115 <Compile Include="IDeferredT.cs" />
115 116 <Compile Include="Promise.cs" />
116 117 <Compile Include="PromiseTransientException.cs" />
117 118 <Compile Include="Parallels\Signal.cs" />
118 119 <Compile Include="Parallels\SharedLock.cs" />
119 120 <Compile Include="Diagnostics\ILogWriter.cs" />
120 121 <Compile Include="Diagnostics\ListenerBase.cs" />
121 122 <Compile Include="Parallels\BlockingQueue.cs" />
122 123 <Compile Include="AbstractEvent.cs" />
123 124 <Compile Include="AbstractPromise.cs" />
124 125 <Compile Include="AbstractPromiseT.cs" />
125 126 <Compile Include="FuncTask.cs" />
126 127 <Compile Include="FuncTaskBase.cs" />
127 128 <Compile Include="FuncTaskT.cs" />
128 129 <Compile Include="ActionChainTaskBase.cs" />
129 130 <Compile Include="ActionChainTask.cs" />
130 131 <Compile Include="ActionChainTaskT.cs" />
131 132 <Compile Include="FuncChainTaskBase.cs" />
132 133 <Compile Include="FuncChainTask.cs" />
133 134 <Compile Include="FuncChainTaskT.cs" />
134 135 <Compile Include="ActionTaskBase.cs" />
135 136 <Compile Include="ActionTask.cs" />
136 137 <Compile Include="ActionTaskT.cs" />
137 138 <Compile Include="ICancellationToken.cs" />
138 139 <Compile Include="SuccessPromise.cs" />
139 140 <Compile Include="SuccessPromiseT.cs" />
140 141 <Compile Include="PromiseAwaiterT.cs" />
141 142 <Compile Include="PromiseAwaiter.cs" />
142 143 <Compile Include="Components\ComponentContainer.cs" />
143 144 <Compile Include="Components\Disposable.cs" />
144 145 <Compile Include="Components\DisposablePool.cs" />
145 146 <Compile Include="Components\ObjectPool.cs" />
146 147 <Compile Include="Components\ServiceLocator.cs" />
147 148 <Compile Include="Components\IInitializable.cs" />
148 149 <Compile Include="TaskController.cs" />
149 150 <Compile Include="Components\App.cs" />
150 151 <Compile Include="Components\IRunnable.cs" />
151 152 <Compile Include="Components\ExecutionState.cs" />
152 153 <Compile Include="Components\RunnableComponent.cs" />
153 154 <Compile Include="Components\IFactory.cs" />
154 155 <Compile Include="Automaton\IAlphabet.cs" />
155 156 <Compile Include="Automaton\ParserException.cs" />
156 157 <Compile Include="Automaton\IndexedAlphabetBase.cs" />
157 158 <Compile Include="Automaton\IAlphabetBuilder.cs" />
158 159 <Compile Include="Automaton\RegularExpressions\AltToken.cs" />
159 160 <Compile Include="Automaton\RegularExpressions\BinaryToken.cs" />
160 161 <Compile Include="Automaton\RegularExpressions\CatToken.cs" />
161 162 <Compile Include="Automaton\RegularExpressions\StarToken.cs" />
162 163 <Compile Include="Automaton\RegularExpressions\SymbolToken.cs" />
163 164 <Compile Include="Automaton\RegularExpressions\EmptyToken.cs" />
164 165 <Compile Include="Automaton\RegularExpressions\Token.cs" />
165 166 <Compile Include="Automaton\RegularExpressions\IVisitor.cs" />
166 167 <Compile Include="Automaton\AutomatonTransition.cs" />
167 168 <Compile Include="Formats\JSON\JSONElementContext.cs" />
168 169 <Compile Include="Formats\JSON\JSONElementType.cs" />
169 170 <Compile Include="Formats\JSON\JSONGrammar.cs" />
170 171 <Compile Include="Formats\JSON\JSONParser.cs" />
171 172 <Compile Include="Formats\JSON\JSONScanner.cs" />
172 173 <Compile Include="Formats\JSON\JsonTokenType.cs" />
173 174 <Compile Include="Formats\JSON\JSONWriter.cs" />
174 175 <Compile Include="Formats\JSON\JSONXmlReader.cs" />
175 176 <Compile Include="Formats\JSON\JSONXmlReaderOptions.cs" />
176 177 <Compile Include="Formats\JSON\StringTranslator.cs" />
177 178 <Compile Include="Automaton\MapAlphabet.cs" />
178 179 <Compile Include="Formats\CharAlphabet.cs" />
179 180 <Compile Include="Formats\ByteAlphabet.cs" />
180 181 <Compile Include="Automaton\IDFATable.cs" />
181 182 <Compile Include="Automaton\IDFATableBuilder.cs" />
182 183 <Compile Include="Automaton\DFATable.cs" />
183 184 <Compile Include="Automaton\RegularExpressions\RegularExpressionVisitor.cs" />
184 185 <Compile Include="Automaton\RegularExpressions\ITaggedDFABuilder.cs" />
185 186 <Compile Include="Formats\TextScanner.cs" />
186 187 <Compile Include="Formats\StringScanner.cs" />
187 188 <Compile Include="Formats\ReaderScanner.cs" />
188 189 <Compile Include="Formats\ScannerContext.cs" />
189 190 <Compile Include="Formats\Grammar.cs" />
190 191 <Compile Include="Automaton\RegularExpressions\EndTokenT.cs" />
191 192 <Compile Include="Automaton\RegularExpressions\EndToken.cs" />
192 193 <Compile Include="Automaton\RegularExpressions\RegularExpressionVisitorT.cs" />
193 194 <Compile Include="Automaton\AutomatonConst.cs" />
194 195 <Compile Include="Automaton\RegularExpressions\RegularDFA.cs" />
195 196 <Compile Include="Components\LazyAndWeak.cs" />
196 197 <Compile Include="AbstractTask.cs" />
197 198 <Compile Include="AbstractTaskT.cs" />
198 199 <Compile Include="FailedPromise.cs" />
199 200 <Compile Include="FailedPromiseT.cs" />
200 201 <Compile Include="Components\PollingComponent.cs" />
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202 203 <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
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271 272 </MonoDevelop>
272 273 </ProjectExtensions>
273 274 <ItemGroup />
274 275 </Project> No newline at end of file
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@@ -1,18 +1,21
1 using System.Threading;
2 using System;
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Threading;
3 6
4 7 namespace Implab {
5 public class SyncContextPromise<T> : Promise<T> {
8 public class SyncContextPromise : Promise {
6 9 readonly SynchronizationContext m_context;
7 10
8 11 public SyncContextPromise(SynchronizationContext context) {
9 12 Safe.ArgumentNotNull(context, "context");
13
10 14 m_context = context;
11 15 }
12 16
13 17 protected override void SignalHandler(HandlerDescriptor handler, int signal) {
14 18 m_context.Post(x => base.SignalHandler(handler, signal), null);
15 19 }
16 20 }
17 21 }
18
General Comments 3
Under Review
sergey
author
Comment #7
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Auto status change to "Under Review"

Approved
sergey
author
Comment #8
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ok, latest stable version should be in default

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