Brian Wilkerson
3a870a3056
Change-Id: I6a399917ec0bdfab74bea027b04a6d416eec3999 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/309824 Reviewed-by: Keerti Parthasarathy <keertip@google.com> Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>
73 lines
2.4 KiB
Dart
73 lines
2.4 KiB
Dart
// Copyright (c) 2022, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:convert';
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import 'package:analysis_server/src/analytics/percentile_calculator.dart';
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import 'package:analysis_server/src/plugin/plugin_manager.dart';
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import 'package:path/path.dart' as path;
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/// Data about the plugins associated with the context roots.
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class PluginData {
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/// The number of times that plugin information has been recorded.
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int recordCount = 0;
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/// A table mapping the ids of running plugins to the number of context roots
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/// associated with each of the plugins.
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Map<String, PercentileCalculator> usageCounts = {};
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/// Initialize a newly created holder of plugin data.
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PluginData();
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String get usageCountData {
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return json.encode({
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'recordCount': recordCount,
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'rootCounts': _encodeUsageCounts(),
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});
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}
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/// Use the [pluginManager] to record data about the plugins that are
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/// currently running.
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void recordPlugins(PluginManager pluginManager) {
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recordCount++;
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var plugins = pluginManager.plugins;
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for (var i = 0; i < plugins.length; i++) {
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var info = plugins[i];
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usageCounts
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.putIfAbsent(info.safePluginId, () => PercentileCalculator())
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.addValue(info.contextRoots.length);
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}
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}
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/// Return an encoding of the [usageCounts].
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Map<String, Object> _encodeUsageCounts() {
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var encoded = <String, Object>{};
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for (var entry in usageCounts.entries) {
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encoded[entry.key] = entry.value.toJson();
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}
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return encoded;
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}
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}
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extension PluginInfoExtension on PluginInfo {
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/// Return an id for this plugin that doesn't contain any PII.
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///
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/// If the plugin is installed in the pub cache and hosted on `pub.dev`, then
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/// the returned name will be the name and version of the containing package
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/// as listed on `pub.dev`. If not, then it might be an internal name so we
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/// default to 'unknown'.
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String get safePluginId {
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var components = path.split(pluginId);
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if (components.contains('.pub-cache')) {
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var index = components.lastIndexOf('analyzer_plugin');
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if (index > 2 &&
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components[index - 1] == 'tools' &&
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components[index - 3] == 'pub.dev') {
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return components[index - 2];
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}
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}
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return 'unknown';
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}
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}
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