| // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'dart:async'; |
| import 'dart:convert'; |
| import 'dart:developer' as developer; |
| import 'dart:io'; |
| |
| import 'package:analysis_server/protocol/protocol_generated.dart'; |
| import 'package:analysis_server/src/analysis_server.dart'; |
| import 'package:analysis_server/src/domain_completion.dart'; |
| import 'package:analysis_server/src/domain_diagnostic.dart'; |
| import 'package:analysis_server/src/plugin/plugin_manager.dart'; |
| import 'package:analysis_server/src/server/http_server.dart'; |
| import 'package:analysis_server/src/services/completion/completion_performance.dart'; |
| import 'package:analysis_server/src/socket_server.dart'; |
| import 'package:analysis_server/src/status/ast_writer.dart'; |
| import 'package:analysis_server/src/status/element_writer.dart'; |
| import 'package:analysis_server/src/status/pages.dart'; |
| import 'package:analysis_server/src/utilities/profiling.dart'; |
| import 'package:analyzer/file_system/file_system.dart'; |
| import 'package:analyzer/instrumentation/instrumentation.dart'; |
| import 'package:analyzer/src/context/context_root.dart'; |
| import 'package:analyzer/src/context/source.dart'; |
| import 'package:analyzer/src/dart/analysis/driver.dart'; |
| import 'package:analyzer/src/dart/analysis/file_state.dart'; |
| import 'package:analyzer/src/dart/sdk/sdk.dart'; |
| import 'package:analyzer/src/generated/engine.dart' hide AnalysisResult; |
| import 'package:analyzer/src/generated/sdk.dart'; |
| import 'package:analyzer/src/generated/source.dart'; |
| import 'package:analyzer/src/generated/utilities_general.dart'; |
| import 'package:analyzer/src/lint/linter.dart'; |
| import 'package:analyzer/src/lint/registry.dart'; |
| import 'package:analyzer/src/services/lint.dart'; |
| import 'package:analyzer/src/source/package_map_resolver.dart'; |
| import 'package:analyzer/src/source/sdk_ext.dart'; |
| import 'package:path/path.dart' as pathPackage; |
| |
| final String kCustomCss = ''' |
| .lead, .page-title+.markdown-body>p:first-child { |
| margin-bottom: 30px; |
| font-size: 20px; |
| font-weight: 300; |
| color: #555; |
| } |
| |
| .container { |
| width: 1160px; |
| } |
| |
| .masthead { |
| padding-top: 1rem; |
| padding-bottom: 1rem; |
| margin-bottom: 1.5rem; |
| text-align: center; |
| background-color: #4078c0; |
| } |
| |
| .masthead .masthead-logo { |
| display: inline-block; |
| font-size: 1.5rem; |
| color: #fff; |
| float: left; |
| } |
| |
| .masthead .mega-octicon { |
| font-size: 1.5rem; |
| } |
| |
| .masthead-nav { |
| float: right; |
| margin-top: .5rem; |
| } |
| |
| .masthead-nav a:not(:last-child) { |
| margin-right: 1.25rem; |
| } |
| |
| .masthead a { |
| color: rgba(255,255,255,0.5); |
| font-size: 1rem; |
| } |
| |
| .masthead a:hover { |
| color: #fff; |
| text-decoration: none; |
| } |
| |
| .masthead-nav .active { |
| color: #fff; |
| font-weight: 500; |
| } |
| |
| .counter { |
| display: inline-block; |
| padding: 2px 5px; |
| font-size: 11px; |
| font-weight: bold; |
| line-height: 1; |
| color: #666; |
| background-color: #eee; |
| border-radius: 20px; |
| } |
| |
| .menu-item .counter { |
| float: right; |
| margin-left: 5px; |
| } |
| |
| td.right { |
| text-align: right; |
| } |
| |
| table td { |
| max-width: 600px; |
| vertical-align: text-top; |
| } |
| |
| td.pre { |
| white-space: pre; |
| } |
| |
| .nowrap { |
| white-space: nowrap; |
| } |
| |
| .scroll-table { |
| max-height: 190px; |
| overflow-x: auto; |
| } |
| |
| .footer { |
| padding-top: 3rem; |
| padding-bottom: 3rem; |
| margin-top: 3rem; |
| line-height: 1.75; |
| color: #7a7a7a; |
| border-top: 1px solid #eee; |
| } |
| |
| .footer strong { |
| color: #333; |
| } |
| '''; |
| |
| final bool _showLints = false; |
| |
| String get _sdkVersion { |
| String version = Platform.version; |
| if (version.contains(' ')) { |
| version = version.substring(0, version.indexOf(' ')); |
| } |
| return version; |
| } |
| |
| String writeOption(String name, dynamic value) { |
| return '$name: <code>$value</code><br> '; |
| } |
| |
| class AstPage extends DiagnosticPageWithNav { |
| String _description; |
| |
| AstPage(DiagnosticsSite site) |
| : super(site, 'ast', 'AST', description: 'The AST for a file.'); |
| |
| @override |
| String get description => _description ?? super.description; |
| |
| @override |
| bool get showInNav => false; |
| |
| @override |
| Future<void> generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| String path = params['file']; |
| if (path == null) { |
| p('No file path provided.'); |
| return; |
| } |
| AnalysisDriver driver = server.getAnalysisDriver(path); |
| if (driver == null) { |
| p('The file <code>${escape(path)}</code> is not being analyzed.', |
| raw: true); |
| return; |
| } |
| AnalysisResult result = await driver.getResult(path); |
| if (result == null) { |
| p( |
| 'An AST could not be produced for the file ' |
| '<code>${escape(path)}</code>.', |
| raw: true); |
| return; |
| } |
| |
| AstWriter writer = new AstWriter(buf); |
| result.unit.accept(writer); |
| } |
| |
| @override |
| Future<void> generatePage(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| try { |
| _description = params['file']; |
| await super.generatePage(params); |
| } finally { |
| _description = null; |
| } |
| } |
| } |
| |
| class CommunicationsPage extends DiagnosticPageWithNav { |
| CommunicationsPage(DiagnosticsSite site) |
| : super(site, 'communications', 'Communications', |
| description: |
| 'Latency statistics for analysis server communications.'); |
| |
| @override |
| Future generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| void writeRow(List<String> data, {List<String> classes}) { |
| buf.write("<tr>"); |
| for (int i = 0; i < data.length; i++) { |
| String c = classes == null ? null : classes[i]; |
| if (c != null) { |
| buf.write('<td class="$c">${escape(data[i])}</td>'); |
| } else { |
| buf.write('<td>${escape(data[i])}</td>'); |
| } |
| } |
| buf.writeln("</tr>"); |
| } |
| |
| buf.writeln('<div class="columns">'); |
| |
| ServerPerformance perf = server.performanceAfterStartup; |
| if (perf != null) { |
| buf.writeln('<div class="column one-half">'); |
| h3('Current'); |
| |
| int requestCount = perf.requestCount; |
| int averageLatency = |
| requestCount > 0 ? (perf.requestLatency ~/ requestCount) : 0; |
| int maximumLatency = perf.maxLatency; |
| double slowRequestPercent = |
| requestCount > 0 ? (perf.slowRequestCount / requestCount) : 0.0; |
| |
| buf.write('<table>'); |
| writeRow([printInteger(requestCount), 'requests'], |
| classes: ["right", null]); |
| writeRow([printMilliseconds(averageLatency), 'average latency'], |
| classes: ["right", null]); |
| writeRow([printMilliseconds(maximumLatency), 'maximum latency'], |
| classes: ["right", null]); |
| writeRow([printPercentage(slowRequestPercent), '> 150 ms latency'], |
| classes: ["right", null]); |
| buf.write('</table>'); |
| |
| String time = server.uptime.toString(); |
| if (time.contains('.')) { |
| time = time.substring(0, time.indexOf('.')); |
| } |
| buf.writeln(writeOption('Uptime', time)); |
| |
| buf.write('</div>'); |
| } |
| |
| buf.writeln('<div class="column one-half">'); |
| h3('Startup'); |
| perf = server.performanceDuringStartup; |
| |
| int requestCount = perf.requestCount; |
| int averageLatency = |
| requestCount > 0 ? (perf.requestLatency ~/ requestCount) : 0; |
| int maximumLatency = perf.maxLatency; |
| double slowRequestPercent = |
| requestCount > 0 ? (perf.slowRequestCount / requestCount) : 0.0; |
| |
| buf.write('<table>'); |
| writeRow([printInteger(requestCount), 'requests'], |
| classes: ["right", null]); |
| writeRow([printMilliseconds(averageLatency), 'average latency'], |
| classes: ["right", null]); |
| writeRow([printMilliseconds(maximumLatency), 'maximum latency'], |
| classes: ["right", null]); |
| writeRow([printPercentage(slowRequestPercent), '> 150 ms latency'], |
| classes: ["right", null]); |
| buf.write('</table>'); |
| |
| if (server.performanceAfterStartup != null) { |
| int startupTime = |
| server.performanceAfterStartup.startTime - perf.startTime; |
| buf.writeln( |
| writeOption('Initial analysis time', printMilliseconds(startupTime))); |
| } |
| buf.write('</div>'); |
| |
| buf.write('</div>'); |
| } |
| } |
| |
| class CompletionPage extends DiagnosticPageWithNav { |
| CompletionPage(DiagnosticsSite site) |
| : super(site, 'completion', 'Code Completion', |
| description: 'Latency statistics for code completion.'); |
| |
| @override |
| Future generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| CompletionDomainHandler completionDomain = server.handlers |
| .firstWhere((handler) => handler is CompletionDomainHandler); |
| |
| List<CompletionPerformance> completions = |
| completionDomain.performanceList.items.toList(); |
| |
| if (completions.isEmpty) { |
| blankslate('No completions recorded.'); |
| return; |
| } |
| |
| int fastCount = |
| completions.where((c) => c.elapsedInMilliseconds <= 100).length; |
| p('${completions.length} results; ${printPercentage(fastCount / completions.length)} within 100ms.'); |
| |
| // draw a chart |
| buf.writeln( |
| '<div id="chart-div" style="width: 700px; height: 300px;"></div>'); |
| StringBuffer rowData = new StringBuffer(); |
| for (int i = completions.length - 1; i >= 0; i--) { |
| // [' ', 101.5] |
| if (rowData.isNotEmpty) { |
| rowData.write(','); |
| } |
| rowData.write("[' ', ${completions[i].elapsedInMilliseconds}]"); |
| } |
| buf.writeln(''' |
| <script type="text/javascript"> |
| google.charts.load('current', {'packages':['bar']}); |
| google.charts.setOnLoadCallback(drawChart); |
| function drawChart() { |
| var data = google.visualization.arrayToDataTable([ |
| ['Completions', 'Time'], |
| $rowData |
| ]); |
| var options = { bars: 'vertical', vAxis: {format: 'decimal'}, height: 300 }; |
| var chart = new google.charts.Bar(document.getElementById('chart-div')); |
| chart.draw(data, google.charts.Bar.convertOptions(options)); |
| } |
| </script> |
| '''); |
| |
| // emit the data as a table |
| buf.writeln('<table>'); |
| buf.writeln( |
| '<tr><th>Time</th><th>Results</th><th>Source</th><th>Snippet</th></tr>'); |
| var pathContext = completionDomain.server.resourceProvider.pathContext; |
| for (CompletionPerformance completion in completions) { |
| String shortName = pathContext.basename(completion.path); |
| buf.writeln('<tr>' |
| '<td class="pre right">${printMilliseconds(completion.elapsedInMilliseconds)}</td>' |
| '<td class="right">${completion.suggestionCount}</td>' |
| '<td>${escape(shortName)}</td>' |
| '<td><code>${escape(completion.snippet)}</code></td>' |
| '</tr>'); |
| } |
| buf.writeln('</table>'); |
| } |
| } |
| |
| class ContextsPage extends DiagnosticPageWithNav { |
| ContextsPage(DiagnosticsSite site) |
| : super(site, 'contexts', 'Contexts', |
| description: |
| 'An analysis context defines the options and the set of sources being analyzed.'); |
| |
| String get navDetail => printInteger(server.driverMap.length); |
| |
| String describe(AnalysisOptionsImpl options) { |
| StringBuffer b = new StringBuffer(); |
| |
| b.write(writeOption('Strong mode', options.strongMode)); |
| b.write(writeOption('Implicit dynamic', options.implicitDynamic)); |
| b.write(writeOption('Implicit casts', options.implicitCasts)); |
| b.write(writeOption('Declaration casts', options.declarationCasts)); |
| |
| b.write( |
| writeOption('Analyze function bodies', options.analyzeFunctionBodies)); |
| b.write(writeOption('Enable super mixins', options.enableSuperMixins)); |
| b.write(writeOption('Generate dart2js hints', options.dart2jsHint)); |
| b.write(writeOption( |
| 'Generate errors in implicit files', options.generateImplicitErrors)); |
| b.write( |
| writeOption('Generate errors in SDK files', options.generateSdkErrors)); |
| b.write(writeOption('Generate hints', options.hint)); |
| b.write(writeOption('Preserve comments', options.preserveComments)); |
| b.write(writeOption('Strong mode hints', options.strongModeHints)); |
| |
| return b.toString(); |
| } |
| |
| @override |
| Future generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| Map<Folder, AnalysisDriver> driverMap = server.driverMap; |
| if (driverMap.isEmpty) { |
| blankslate('No contexts.'); |
| return; |
| } |
| |
| String contextPath = params['context']; |
| List<Folder> folders = driverMap.keys.toList(); |
| folders |
| .sort((first, second) => first.shortName.compareTo(second.shortName)); |
| Folder folder = |
| folders.firstWhere((f) => f.path == contextPath, orElse: () => null); |
| |
| if (folder == null) { |
| folder = folders.first; |
| contextPath = folder.path; |
| } |
| |
| AnalysisDriver driver = driverMap[folder]; |
| |
| buf.writeln('<div class="tabnav">'); |
| buf.writeln('<nav class="tabnav-tabs">'); |
| for (Folder f in folders) { |
| if (f == folder) { |
| buf.writeln( |
| '<a class="tabnav-tab selected">${escape(f.shortName)}</a>'); |
| } else { |
| String p = '$path?context=${Uri.encodeQueryComponent(f.path)}'; |
| buf.writeln( |
| '<a href="$p" class="tabnav-tab">${escape(f.shortName)}</a>'); |
| } |
| } |
| buf.writeln('</nav>'); |
| buf.writeln('</div>'); |
| |
| buf.writeln(writeOption('Context location', escape(contextPath))); |
| buf.writeln(writeOption('Analysis options path', |
| escape(driver.contextRoot.optionsFilePath ?? 'none'))); |
| |
| buf.writeln('<div class="columns">'); |
| |
| buf.writeln('<div class="column one-half">'); |
| h3('Analysis options'); |
| p(describe(driver.analysisOptions), raw: true); |
| buf.writeln( |
| writeOption('Has .packages file', folder.getChild('.packages').exists)); |
| buf.writeln(writeOption( |
| 'Has pubspec.yaml file', folder.getChild('pubspec.yaml').exists)); |
| buf.writeln('</div>'); |
| |
| buf.writeln('<div class="column one-half">'); |
| DartSdk sdk = driver?.sourceFactory?.dartSdk; |
| AnalysisOptionsImpl sdkOptions = sdk?.context?.analysisOptions; |
| if (sdkOptions != null) { |
| h3('SDK analysis options'); |
| p(describe(sdkOptions), raw: true); |
| |
| if (sdk is FolderBasedDartSdk) { |
| p(writeOption('Use summaries', sdk.useSummary), raw: true); |
| } |
| } |
| buf.writeln('</div>'); |
| |
| buf.writeln('</div>'); |
| |
| h3('Lints'); |
| p(driver.analysisOptions.lintRules.map((l) => l.name).join(', ')); |
| |
| h3('Error processors'); |
| p(driver.analysisOptions.errorProcessors |
| .map((e) => e.description) |
| .join(', ')); |
| |
| h3('Plugins'); |
| p(driver.analysisOptions.enabledPluginNames.join(', ')); |
| |
| List<String> priorityFiles = driver.priorityFiles; |
| List<String> addedFiles = driver.addedFiles.toList(); |
| List<String> implicitFiles = |
| driver.knownFiles.difference(driver.addedFiles).toList(); |
| addedFiles.sort(); |
| implicitFiles.sort(); |
| |
| String lenCounter(List list) { |
| return '<span class="counter" style="float: right;">${list.length}</span>'; |
| } |
| |
| h3('Context files'); |
| |
| void writeFile(String file) { |
| String astPath = '/ast?file=${Uri.encodeQueryComponent(file)}'; |
| String elementPath = '/element?file=${Uri.encodeQueryComponent(file)}'; |
| |
| buf.write(file); |
| buf.writeln(' <a href="$astPath">ast</a>'); |
| buf.write(' '); |
| buf.writeln('<a href="$elementPath">element</a>'); |
| } |
| |
| h4('Priority files ${lenCounter(priorityFiles)}', raw: true); |
| ul(priorityFiles, writeFile, classes: 'scroll-table'); |
| |
| h4('Added files ${lenCounter(addedFiles)}', raw: true); |
| ul(addedFiles, writeFile, classes: 'scroll-table'); |
| |
| h4('Implicit files ${lenCounter(implicitFiles)}', raw: true); |
| ul(implicitFiles, writeFile, classes: 'scroll-table'); |
| |
| SourceFactory sourceFactory = driver.sourceFactory; |
| if (sourceFactory is SourceFactoryImpl) { |
| h3('Resolvers'); |
| for (UriResolver resolver in sourceFactory.resolvers) { |
| h4(resolver.runtimeType.toString()); |
| buf.write('<p class="scroll-table">'); |
| if (resolver is DartUriResolver) { |
| DartSdk sdk = resolver.dartSdk; |
| buf.write(' (sdk = '); |
| buf.write(sdk.runtimeType); |
| if (sdk is FolderBasedDartSdk) { |
| buf.write(' (path = '); |
| buf.write(sdk.directory.path); |
| buf.write(')'); |
| } else if (sdk is EmbedderSdk) { |
| buf.write(' (map = '); |
| writeMap(sdk.urlMappings); |
| buf.write(')'); |
| } |
| buf.write(')'); |
| } else if (resolver is SdkExtUriResolver) { |
| buf.write(' (map = '); |
| writeMap(resolver.urlMappings); |
| buf.write(')'); |
| } else if (resolver is PackageMapUriResolver) { |
| writeMap(resolver.packageMap); |
| } |
| buf.write('</p>'); |
| } |
| } |
| } |
| |
| void writeList<E>(List<E> list) { |
| buf.writeln('[${list.join(', ')}]'); |
| } |
| |
| void writeMap<V>(Map<String, V> map) { |
| List<String> keys = map.keys.toList(); |
| keys.sort(); |
| int length = keys.length; |
| buf.write('{'); |
| for (int i = 0; i < length; i++) { |
| buf.write('<br>'); |
| String key = keys[i]; |
| V value = map[key]; |
| buf.write(key); |
| buf.write(' = '); |
| if (value is List) { |
| writeList(value); |
| } else { |
| buf.write(value); |
| } |
| buf.write(','); |
| } |
| buf.write('<br>}'); |
| } |
| } |
| |
| /// A page with a proscriptive notion of layout. |
| abstract class DiagnosticPage extends Page { |
| final Site site; |
| |
| DiagnosticPage(this.site, String id, String title, {String description}) |
| : super(id, title, description: description); |
| |
| bool get isNavPage => false; |
| |
| AnalysisServer get server => |
| (site as DiagnosticsSite).socketServer.analysisServer; |
| |
| Future<void> generateContainer(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| buf.writeln('<div class="columns docs-layout">'); |
| buf.writeln('<div class="three-fourths column markdown-body">'); |
| h1(title, classes: 'page-title'); |
| await asyncDiv(() async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| p(description); |
| await generateContent(params); |
| }, classes: 'markdown-body'); |
| buf.writeln('</div>'); |
| buf.writeln('</div>'); |
| } |
| |
| Future<void> generateContent(Map<String, String> params); |
| |
| void generateFooter() { |
| buf.writeln(''' |
| <footer class="footer"> |
| Dart ${site.title} <span style="float:right">SDK $_sdkVersion</span> |
| </footer> |
| '''); |
| } |
| |
| void generateHeader() { |
| buf.writeln(''' |
| <header class="masthead"> |
| <div class="container"> |
| <span class="masthead-logo"> |
| <span class="mega-octicon octicon-dashboard"></span> |
| ${site.title} Diagnostics |
| </span> |
| |
| <nav class="masthead-nav"> |
| <a href="/status" ${isNavPage ? ' class="active"' : ''}>Diagnostics</a> |
| <a href="/feedback" ${isCurrentPage('/feedback') ? ' class="active"' : ''}>Feedback</a> |
| <a href="https://www.dartlang.org/tools/analyzer" target="_blank">Docs</a> |
| <a href="https://htmlpreview.github.io/?https://github.com/dart-lang/sdk/blob/master/pkg/analysis_server/doc/api.html" target="_blank">Spec</a> |
| </nav> |
| </div> |
| </header> |
| '''); |
| } |
| |
| Future<void> generatePage(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| buf.writeln('<!DOCTYPE html><html lang="en">'); |
| buf.write('<head>'); |
| buf.write('<meta charset="utf-8">'); |
| buf.write('<meta name="viewport" content="width=device-width, ' |
| 'initial-scale=1.0">'); |
| buf.writeln('<title>${site.title}</title>'); |
| buf.writeln('<link rel="stylesheet" ' |
| 'href="https://cdnjs.cloudflare.com/ajax/libs/Primer/6.0.0/build.css">'); |
| buf.writeln('<link rel="stylesheet" ' |
| 'href="https://cdnjs.cloudflare.com/ajax/libs/octicons/4.4.0/font/octicons.css">'); |
| buf.writeln('<script type="text/javascript" ' |
| 'src="https://www.gstatic.com/charts/loader.js"></script>'); |
| buf.writeln('<style>${site.customCss}</style>'); |
| buf.writeln('</head>'); |
| |
| buf.writeln('<body>'); |
| generateHeader(); |
| buf.writeln('<div class="container">'); |
| await generateContainer(params); |
| generateFooter(); |
| buf.writeln('</div>'); // div.container |
| buf.writeln('</body>'); |
| buf.writeln('</html>'); |
| } |
| } |
| |
| abstract class DiagnosticPageWithNav extends DiagnosticPage { |
| DiagnosticPageWithNav(Site site, String id, String title, |
| {String description}) |
| : super(site, id, title, description: description); |
| |
| bool get isNavPage => true; |
| |
| String get navDetail => null; |
| |
| bool get showInNav => true; |
| |
| Future<void> generateContainer(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| buf.writeln('<div class="columns docs-layout">'); |
| |
| bool shouldShowInNav(Page page) { |
| return page is DiagnosticPageWithNav && page.showInNav; |
| } |
| |
| buf.writeln('<div class="one-fifth column">'); |
| buf.writeln('<nav class="menu docs-menu">'); |
| for (Page page in site.pages.where(shouldShowInNav)) { |
| buf.write('<a class="menu-item ${page == this ? ' selected' : ''}" ' |
| 'href="${page.path}">${escape(page.title)}'); |
| String detail = (page as DiagnosticPageWithNav).navDetail; |
| if (detail != null) { |
| buf.write('<span class="counter">$detail</span>'); |
| } |
| buf.writeln('</a>'); |
| } |
| buf.writeln('</nav>'); |
| buf.writeln('</div>'); |
| |
| buf.writeln('<div class="four-fifths column markdown-body">'); |
| h1(title, classes: 'page-title'); |
| await asyncDiv(() async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| p(description); |
| await generateContent(params); |
| }, classes: 'markdown-body'); |
| buf.writeln('</div>'); |
| |
| buf.writeln('</div>'); |
| } |
| } |
| |
| class DiagnosticsSite extends Site implements AbstractGetHandler { |
| /// An object that can handle either a WebSocket connection or a connection |
| /// to the client over stdio. |
| SocketServer socketServer; |
| |
| /// The last few lines printed. |
| List<String> lastPrintedLines = <String>[]; |
| |
| DiagnosticsSite(this.socketServer, this.lastPrintedLines) |
| : super('Analysis Server') { |
| pages.add(new CompletionPage(this)); |
| pages.add(new CommunicationsPage(this)); |
| pages.add(new ContextsPage(this)); |
| pages.add(new EnvironmentVariablesPage(this)); |
| pages.add(new ExceptionsPage(this)); |
| pages.add(new InstrumentationPage(this)); |
| pages.add(new OverlaysPage(this)); |
| pages.add(new PluginsPage(this)); |
| pages.add(new ProfilePage(this)); |
| pages.add(new SubscriptionsPage(this)); |
| |
| ProcessProfiler profiler = ProcessProfiler.getProfilerForPlatform(); |
| if (profiler != null) { |
| pages.add(new MemoryAndCpuPage(this, profiler)); |
| } |
| |
| pages.sort(((Page a, Page b) => |
| a.title.toLowerCase().compareTo(b.title.toLowerCase()))); |
| |
| // Add the status page at the beginning. |
| pages.insert(0, new StatusPage(this)); |
| |
| // Add non-nav pages. |
| pages.add(new FeedbackPage(this)); |
| pages.add(new AstPage(this)); |
| pages.add(new ElementModelPage(this)); |
| } |
| |
| String get customCss => kCustomCss; |
| |
| Page createExceptionPage(String message, StackTrace trace) => |
| new ExceptionPage(this, message, trace); |
| |
| Page createUnknownPage(String unknownPath) => |
| new NotFoundPage(this, unknownPath); |
| } |
| |
| class ElementModelPage extends DiagnosticPageWithNav { |
| String _description; |
| |
| ElementModelPage(DiagnosticsSite site) |
| : super(site, 'element', 'Element model', |
| description: 'The element model for a file.'); |
| |
| @override |
| String get description => _description ?? super.description; |
| |
| @override |
| bool get showInNav => false; |
| |
| @override |
| Future<void> generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| String path = params['file']; |
| if (path == null) { |
| p('No file path provided.'); |
| return; |
| } |
| AnalysisDriver driver = server.getAnalysisDriver(path); |
| if (driver == null) { |
| p('The file <code>${escape(path)}</code> is not being analyzed.', |
| raw: true); |
| return; |
| } |
| AnalysisResult result = await driver.getResult(path); |
| if (result == null) { |
| p( |
| 'An element model could not be produced for the file ' |
| '<code>${escape(path)}</code>.', |
| raw: true); |
| return; |
| } |
| |
| ElementWriter writer = new ElementWriter(buf); |
| result.unit.declaredElement.accept(writer); |
| } |
| |
| @override |
| Future<void> generatePage(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| try { |
| _description = params['file']; |
| await super.generatePage(params); |
| } finally { |
| _description = null; |
| } |
| } |
| } |
| |
| class EnvironmentVariablesPage extends DiagnosticPageWithNav { |
| EnvironmentVariablesPage(DiagnosticsSite site) |
| : super(site, 'environment', 'Environment Variables', |
| description: |
| 'System environment variables as seen from the analysis server.'); |
| |
| @override |
| Future generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| buf.writeln('<table>'); |
| buf.writeln('<tr><th>Variable</th><th>Value</th></tr>'); |
| for (String key in Platform.environment.keys.toList()..sort()) { |
| String value = Platform.environment[key]; |
| buf.writeln('<tr><td>${escape(key)}</td><td>${escape(value)}</td></tr>'); |
| } |
| buf.writeln('</table>'); |
| } |
| } |
| |
| class ExceptionPage extends DiagnosticPage { |
| final StackTrace trace; |
| |
| ExceptionPage(Site site, String message, this.trace) |
| : super(site, '', '500 Oops', description: message); |
| |
| Future generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| p(trace.toString(), style: 'white-space: pre'); |
| } |
| } |
| |
| class ExceptionsPage extends DiagnosticPageWithNav { |
| ExceptionsPage(DiagnosticsSite site) |
| : super(site, 'exceptions', 'Exceptions', |
| description: 'Exceptions from the analysis server.'); |
| |
| Iterable<ServerException> get exceptions => server.exceptions.items; |
| |
| String get navDetail => printInteger(exceptions.length); |
| |
| @override |
| Future generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| if (exceptions.isEmpty) { |
| blankslate('No exceptions encountered!'); |
| } else { |
| for (ServerException ex in exceptions) { |
| h3('Exception ${ex.exception}'); |
| p('${escape(ex.message)}<br>${writeOption('fatal', ex.fatal)}', |
| raw: true); |
| pre(() { |
| buf.writeln('<code>${escape(ex.stackTrace.toString())}</code>'); |
| }, classes: "scroll-table"); |
| } |
| } |
| } |
| } |
| |
| class FeedbackPage extends DiagnosticPage { |
| FeedbackPage(DiagnosticsSite site) |
| : super(site, 'feedback', 'Feedback', |
| description: 'Providing feedback and filing issues.'); |
| |
| @override |
| Future generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| final String issuesUrl = 'https://github.com/dart-lang/sdk/issues'; |
| p( |
| 'To file issues or feature requests, see our ' |
| '<a href="$issuesUrl">bug tracker</a>. When filing an issue, please describe:', |
| raw: true, |
| ); |
| ul([ |
| 'what you were doing', |
| 'what occured', |
| 'what you think the expected behavior should have been', |
| ], (line) => buf.writeln(line)); |
| |
| List<String> ideInfo = []; |
| if (server.options.clientId != null) { |
| ideInfo.add(server.options.clientId); |
| } |
| if (server.options.clientVersion != null) { |
| ideInfo.add(server.options.clientVersion); |
| } |
| String ideText = ideInfo.map((str) => '<code>$str</code>').join(', '); |
| |
| p('Other data to include:'); |
| ul([ |
| "the IDE you are using and it's version${ideText.isEmpty ? '' : ' ($ideText)'}", |
| 'the Dart SDK version (<code>${escape(_sdkVersion)}</code>)', |
| 'your operating system (<code>${escape(Platform.operatingSystem)}</code>)', |
| ], (line) => buf.writeln(line)); |
| |
| p('Thanks!'); |
| } |
| } |
| |
| class InstrumentationPage extends DiagnosticPageWithNav { |
| InstrumentationPage(DiagnosticsSite site) |
| : super(site, 'instrumentation', 'Instrumentation', |
| description: |
| 'Verbose instrumentation data from the analysis server.'); |
| |
| @override |
| Future generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| p( |
| 'Instrumentation can be enabled by starting the analysis server with the ' |
| '<code>--instrumentation-log-file=path/to/file</code> flag.', |
| raw: true); |
| |
| if (!AnalysisEngine.instance.instrumentationService.isActive) { |
| blankslate('Instrumentation not active.'); |
| return; |
| } |
| |
| h3('Instrumentation'); |
| |
| p('Instrumentation active.'); |
| |
| InstrumentationServer instrumentation = |
| AnalysisEngine.instance.instrumentationService.instrumentationServer; |
| String description = instrumentation.describe; |
| HtmlEscape htmlEscape = new HtmlEscape(HtmlEscapeMode.element); |
| description = htmlEscape.convert(description); |
| // Convert http(s): references to hyperlinks. |
| final RegExp urlRegExp = new RegExp(r'[http|https]+:\/*(\S+)'); |
| description = description.replaceAllMapped(urlRegExp, (Match match) { |
| return '<a href="${match.group(0)}">${match.group(1)}</a>'; |
| }); |
| p(description.replaceAll('\n', '<br>'), raw: true); |
| } |
| } |
| |
| class MemoryAndCpuPage extends DiagnosticPageWithNav { |
| final ProcessProfiler profiler; |
| |
| MemoryAndCpuPage(DiagnosticsSite site, this.profiler) |
| : super(site, 'memory', 'Memory and CPU Usage', |
| description: 'Memory and CPU usage for the analysis server.'); |
| |
| DiagnosticDomainHandler get diagnosticDomain { |
| return server.handlers |
| .firstWhere((handler) => handler is DiagnosticDomainHandler); |
| } |
| |
| @override |
| Future generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| UsageInfo usage = await profiler.getProcessUsage(pid); |
| |
| developer.ServiceProtocolInfo serviceProtocolInfo = |
| await developer.Service.getInfo(); |
| |
| if (usage != null) { |
| buf.writeln( |
| writeOption('CPU', printPercentage(usage.cpuPercentage / 100.0))); |
| buf.writeln( |
| writeOption('Memory', '${printInteger(usage.memoryMB.round())} MB')); |
| |
| h3('VM'); |
| |
| if (serviceProtocolInfo.serverUri == null) { |
| p('Service protocol not enabled.'); |
| } else { |
| p(serviceProtocolInfo.toString()); |
| |
| // http://127.0.0.1:8181/ ==> ws://127.0.0.1:8181/ws |
| Uri uri = serviceProtocolInfo.serverUri; |
| uri = uri.replace(scheme: 'ws', path: 'ws'); |
| |
| final ServiceProtocol service = await ServiceProtocol.connect(uri); |
| final Map vm = await service.call('getVM'); |
| |
| h3('Isolates'); |
| |
| List isolateRefs = vm['isolates']; |
| for (Map isolateRef in isolateRefs) { |
| Map isolate = |
| await service.call('getIsolate', {'isolateId': isolateRef['id']}); |
| |
| Map _heaps = isolate['_heaps']; |
| |
| int used = 0; |
| used = _heaps['new']['used'] + _heaps['new']['external']; |
| used = _heaps['old']['used'] + _heaps['old']['external']; |
| double usedMB = used / (1024.0 * 1024.0); |
| |
| int capacity = 0; |
| capacity = _heaps['new']['capacity'] + _heaps['new']['external']; |
| capacity = _heaps['old']['capacity'] + _heaps['old']['external']; |
| double capacityMB = capacity / (1024.0 * 1024.0); |
| |
| buf.writeln(writeOption(isolate['name'], |
| '${usedMB.round()} MB of ${capacityMB.round()} MB')); |
| } |
| |
| service.dispose(); |
| } |
| } else { |
| p('Error retrieving the memory and cpu usage information.'); |
| } |
| } |
| } |
| |
| class NotFoundPage extends DiagnosticPage { |
| final String path; |
| |
| NotFoundPage(Site site, this.path) |
| : super(site, '', '404 Not found', description: "'$path' not found."); |
| |
| Future generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| } |
| } |
| |
| class OverlaysPage extends DiagnosticPageWithNav { |
| OverlaysPage(DiagnosticsSite site) |
| : super(site, 'overlays', 'Overlays', |
| description: 'Editing overlays - unsaved file changes.'); |
| |
| @override |
| Future generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| FileContentOverlay overlays = server.fileContentOverlay; |
| List<String> paths = overlays.paths.toList()..sort(); |
| |
| String overlayPath = params['overlay']; |
| if (overlayPath != null) { |
| p(overlayPath); |
| |
| if (overlays[overlayPath] != null) { |
| buf.write('<pre><code>'); |
| buf.write(escape(overlays[overlayPath])); |
| buf.writeln('</code></pre>'); |
| } else { |
| p('<code>${escape(overlayPath)}</code> not found.', raw: true); |
| } |
| |
| return; |
| } |
| |
| if (paths.isEmpty) { |
| blankslate('No overlays.'); |
| } else { |
| String lenCounter(List list) { |
| return '<span class="counter" style="float: right;">${list.length}</span>'; |
| } |
| |
| h3('Overlays ${lenCounter(paths)}', raw: true); |
| ul(paths, (String overlayPath) { |
| String uri = '$path?overlay=${Uri.encodeQueryComponent(overlayPath)}'; |
| buf.writeln('<a href="$uri">${escape(overlayPath)}</a>'); |
| }); |
| } |
| } |
| } |
| |
| // TODO(devoncarew): We're not currently tracking the time spent in specific |
| // lints by default (analysisOptions / driverOptions enableTiming) |
| class PluginsPage extends DiagnosticPageWithNav { |
| PluginsPage(DiagnosticsSite site) |
| : super(site, 'plugins', 'Plugins', description: 'Plugins in use.'); |
| |
| @override |
| Future generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| h3('Analysis plugins'); |
| List<PluginInfo> analysisPlugins = server.pluginManager.plugins; |
| |
| if (analysisPlugins.isEmpty) { |
| blankslate('No known analysis plugins.'); |
| } else { |
| for (PluginInfo plugin in analysisPlugins) { |
| // TODO(brianwilkerson) Sort the plugins by name. |
| String id = plugin.pluginId; |
| PluginData data = plugin.data; |
| |
| List<String> components = pathPackage.split(id); |
| int length = components.length; |
| String name; |
| if (length == 0) { |
| name = 'unknown plugin'; |
| } else if (length > 2) { |
| name = components[length - 3]; |
| } else { |
| name = components[length - 1]; |
| } |
| h4(name); |
| p('bootstrap package path: $id'); |
| if (plugin is DiscoveredPluginInfo) { |
| p('execution path: ${plugin.executionPath}'); |
| p('packages file path: ${plugin.packagesPath}'); |
| } |
| if (data.name == null) { |
| if (plugin.exception != null) { |
| p('not running'); |
| pre(() { |
| buf.write(plugin.exception); |
| }); |
| } else { |
| p('not running for unknown reason'); |
| } |
| } else { |
| p('name: ${data.name}'); |
| p('version: ${data.version}'); |
| p('Associated contexts:'); |
| Set<ContextRoot> contexts = plugin.contextRoots; |
| if (contexts.isEmpty) { |
| blankslate('none'); |
| } else { |
| ul(contexts.toList(), (ContextRoot root) { |
| buf.writeln(root.root); |
| }); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| class ProfilePage extends DiagnosticPageWithNav { |
| ProfilePage(DiagnosticsSite site) |
| : super(site, 'profile', 'Profiling Info', |
| description: 'Profiling performance tag data.'); |
| |
| @override |
| Future generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| h3('Profiling performance tag data'); |
| |
| // prepare sorted tags |
| List<PerformanceTag> tags = PerformanceTag.all.toList(); |
| tags.remove(ServerPerformanceStatistics.idle); |
| tags.remove(PerformanceTag.unknown); |
| tags.removeWhere((tag) => tag.elapsedMs == 0); |
| tags.sort((a, b) => b.elapsedMs - a.elapsedMs); |
| |
| // print total time |
| int totalTime = |
| tags.fold<int>(0, (int a, PerformanceTag tag) => a + tag.elapsedMs); |
| p('Total measured time: ${printMilliseconds(totalTime)}'); |
| |
| // draw a pie chart |
| String rowData = |
| tags.map((tag) => "['${tag.label}', ${tag.elapsedMs}]").join(','); |
| buf.writeln( |
| '<div id="chart-div" style="width: 700px; height: 300px;"></div>'); |
| buf.writeln(''' |
| <script type="text/javascript"> |
| google.charts.load('current', {'packages':['corechart']}); |
| google.charts.setOnLoadCallback(drawChart); |
| |
| function drawChart() { |
| var data = new google.visualization.DataTable(); |
| data.addColumn('string', 'Tag'); |
| data.addColumn('number', 'Time (ms)'); |
| data.addRows([$rowData]); |
| var options = {'title': 'Performance Tag Data', 'width': 700, 'height': 300}; |
| var chart = new google.visualization.PieChart(document.getElementById('chart-div')); |
| chart.draw(data, options); |
| } |
| </script> |
| '''); |
| |
| // write out a table |
| void _writeRow(List<String> data, {bool header: false}) { |
| buf.write('<tr>'); |
| if (header) { |
| for (String d in data) { |
| buf.write('<th>$d</th>'); |
| } |
| } else { |
| buf.write('<td>${data[0]}</td>'); |
| |
| for (String d in data.sublist(1)) { |
| buf.write('<td class="right">$d</td>'); |
| } |
| } |
| buf.writeln('</tr>'); |
| } |
| |
| buf.write('<table>'); |
| _writeRow(['Tag name', 'Time (in ms)', 'Percent'], header: true); |
| void writeRow(PerformanceTag tag) { |
| double percent = tag.elapsedMs / totalTime; |
| _writeRow([ |
| tag.label, |
| printMilliseconds(tag.elapsedMs), |
| printPercentage(percent) |
| ]); |
| } |
| |
| tags.forEach(writeRow); |
| buf.write('</table>'); |
| |
| if (_showLints) { |
| h3('Lint rule timings'); |
| List<LintRule> rules = Registry.ruleRegistry.rules.toList(); |
| int totalLintTime = rules.fold(0, |
| (sum, rule) => sum + lintRegistry.getTimer(rule).elapsedMilliseconds); |
| p('Total time spent in lints: ${printMilliseconds(totalLintTime)}'); |
| |
| rules.sort((first, second) { |
| int firstTime = lintRegistry.getTimer(first).elapsedMilliseconds; |
| int secondTime = lintRegistry.getTimer(second).elapsedMilliseconds; |
| if (firstTime == secondTime) { |
| return first.lintCode.name.compareTo(second.lintCode.name); |
| } |
| return secondTime - firstTime; |
| }); |
| buf.write('<table>'); |
| _writeRow(['Lint code', 'Time (in ms)'], header: true); |
| for (var rule in rules) { |
| int time = lintRegistry.getTimer(rule).elapsedMilliseconds; |
| _writeRow([rule.lintCode.name, printMilliseconds(time)]); |
| } |
| buf.write('</table>'); |
| } |
| } |
| } |
| |
| class ServiceProtocol { |
| final WebSocket socket; |
| |
| int _id = 0; |
| Map<String, Completer<Map>> _completers = {}; |
| |
| ServiceProtocol._(this.socket) { |
| socket.listen(_handleMessage); |
| } |
| |
| Future<Map> call(String method, [Map args]) { |
| String id = '${++_id}'; |
| Completer<Map> completer = new Completer(); |
| _completers[id] = completer; |
| Map m = {'id': id, 'method': method}; |
| if (args != null) m['params'] = args; |
| String message = jsonEncode(m); |
| socket.add(message); |
| return completer.future; |
| } |
| |
| Future dispose() => socket.close(); |
| |
| void _handleMessage(dynamic message) { |
| if (message is! String) { |
| return; |
| } |
| |
| try { |
| dynamic json = jsonDecode(message); |
| if (json.containsKey('id')) { |
| dynamic id = json['id']; |
| _completers[id]?.complete(json['result']); |
| _completers.remove(id); |
| } |
| } catch (e) { |
| // ignore |
| } |
| } |
| |
| static Future<ServiceProtocol> connect(Uri uri) async { |
| WebSocket socket = await WebSocket.connect(uri.toString()); |
| return new ServiceProtocol._(socket); |
| } |
| } |
| |
| class StatusPage extends DiagnosticPageWithNav { |
| StatusPage(DiagnosticsSite site) |
| : super(site, 'status', 'Status', |
| description: |
| 'General status and diagnostics for the analysis server.'); |
| |
| @override |
| Future generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| DiagnosticsSite diagnosticsSite = site; |
| |
| buf.writeln('<div class="columns">'); |
| |
| buf.writeln('<div class="column one-half">'); |
| h3('Status'); |
| buf.writeln(writeOption('Use fasta parser', |
| diagnosticsSite.socketServer.analysisServerOptions.useFastaParser)); |
| buf.writeln(writeOption('Instrumentation enabled', |
| AnalysisEngine.instance.instrumentationService.isActive)); |
| bool uxExp1 = |
| diagnosticsSite.socketServer.analysisServerOptions.enableUXExperiment1; |
| bool uxExp2 = |
| diagnosticsSite.socketServer.analysisServerOptions.enableUXExperiment2; |
| if (uxExp1 || uxExp2) { |
| buf.writeln(writeOption('UX Experiment 1', uxExp1)); |
| buf.writeln(writeOption('ux Experiment 2', uxExp2)); |
| } |
| buf.writeln(writeOption('Server process ID', pid)); |
| buf.writeln('</div>'); |
| |
| buf.writeln('<div class="column one-half">'); |
| h3('Versions'); |
| buf.writeln(writeOption('Analysis server version', AnalysisServer.VERSION)); |
| buf.writeln(writeOption('Dart SDK', Platform.version)); |
| buf.writeln('</div>'); |
| |
| buf.writeln('</div>'); |
| |
| List<String> lines = (site as DiagnosticsSite).lastPrintedLines; |
| if (lines.isNotEmpty) { |
| h3('Debug output'); |
| p(lines.join('\n'), style: 'white-space: pre'); |
| } |
| } |
| } |
| |
| class SubscriptionsPage extends DiagnosticPageWithNav { |
| SubscriptionsPage(DiagnosticsSite site) |
| : super(site, 'subscriptions', 'Subscriptions', |
| description: 'Registered subscriptions to analysis server events.'); |
| |
| @override |
| Future generateContent(Map<String, String> params) async { |
| // TODO(brianwilkerson) Determine whether this await is necessary. |
| await null; |
| // server domain |
| h3('Server domain subscriptions'); |
| ul(ServerService.VALUES, (item) { |
| if (server.serverServices.contains(item)) { |
| buf.write('$item (has subscriptions)'); |
| } else { |
| buf.write('$item (no subscriptions)'); |
| } |
| }); |
| |
| // analysis domain |
| h3('Analysis domain subscriptions'); |
| for (AnalysisService service in AnalysisService.VALUES) { |
| buf.writeln('${service.name}<br>'); |
| ul(server.analysisServices[service] ?? [], (item) { |
| buf.write('$item'); |
| }); |
| } |
| } |
| } |
