brianwilkerson@google.com
238ca64ce9
R=scheglov@google.com Review URL: https://codereview.chromium.org//139983004 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@32466 260f80e4-7a28-3924-810f-c04153c831b5
156 lines
4.7 KiB
Dart
156 lines
4.7 KiB
Dart
library get.handler;
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import 'dart:io';
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import 'package:analyzer/src/generated/engine.dart';
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import 'package:analysis_server/src/analysis_server.dart';
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/**
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* Instances of the class [GetHandler] handle GET requests
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*/
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class GetHandler {
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/**
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* The path used to request the status of the analysis server as a whole.
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*/
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static const String STATUS_PATH = '/status';
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/**
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* The analysis server whose status is to be reported on, or `null` if the
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* server has not yet been created.
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*/
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AnalysisServer server;
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/**
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* Initialize a newly created handler for GET requests.
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*/
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GetHandler();
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/**
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* Handle a GET request received by the HTTP server.
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*/
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void handleGetRequest(HttpRequest request) {
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String path = request.uri.path;
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if (path == STATUS_PATH) {
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_returnServerStatus(request);
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} else {
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_returnUnknownRequest(request);
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}
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}
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/**
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* Return a response indicating the status of the analysis server.
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*/
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void _returnServerStatus(HttpRequest request) {
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HttpResponse response = request.response;
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response.statusCode = HttpStatus.OK;
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response.headers.add(HttpHeaders.CONTENT_TYPE, "text/html");
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response.write('<html>');
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response.write('<head>');
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response.write('<title>Dart Analysis Server - Status</title>');
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response.write('</head>');
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response.write('<body>');
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response.write('<h1>Analysis Server</h1>');
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if (server == null) {
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response.write('<p>Not running</p>');
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} else {
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response.write('<p>Running</p>');
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response.write('<h1>Analysis Contexts</h1>');
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response.write('<h2>Summary</h2>');
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response.write('<table>');
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_writeRow(
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response,
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['Context', 'ERROR', 'FLUSHED', 'IN_PROCESS', 'INVALID', 'VALID'],
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true);
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server.contextMap.forEach((String key, AnalysisContext context) {
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AnalysisContentStatistics statistics =
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(context as AnalysisContextImpl).statistics;
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int errorCount = 0;
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int flushedCount = 0;
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int inProcessCount = 0;
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int invalidCount = 0;
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int validCount = 0;
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statistics.cacheRows.forEach((AnalysisContentStatistics_CacheRow row) {
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errorCount += row.errorCount;
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flushedCount += row.flushedCount;
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inProcessCount += row.inProcessCount;
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invalidCount += row.invalidCount;
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validCount += row.validCount;
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});
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_writeRow(response, [
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'<a href="#context_$key">$key</a>',
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errorCount,
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flushedCount,
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inProcessCount,
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invalidCount,
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validCount]);
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});
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response.write('</table>');
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server.contextMap.forEach((String key, AnalysisContext context) {
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response.write('<h2><a name="context_$key">Analysis Context: $key}</a></h2>');
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AnalysisContentStatistics statistics = (context as AnalysisContextImpl).statistics;
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response.write('<table>');
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_writeRow(
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response,
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['Item', 'ERROR', 'FLUSHED', 'IN_PROCESS', 'INVALID', 'VALID'],
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true);
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statistics.cacheRows.forEach((AnalysisContentStatistics_CacheRow row) {
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_writeRow(
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response,
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[row.name,
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row.errorCount,
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row.flushedCount,
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row.inProcessCount,
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row.invalidCount,
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row.validCount]);
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});
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response.write('</table>');
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List<AnalysisException> exceptions = statistics.exceptions;
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if (!exceptions.isEmpty) {
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response.write('<h2>Exceptions</h2>');
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exceptions.forEach((AnalysisException exception) {
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response.write('<p>${exception.message}</p>');
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});
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}
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});
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}
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response.write('</body>');
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response.write('</html>');
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response.close();
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}
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/**
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* Return an error in response to an unrecognized request received by the HTTP
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* server.
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*/
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void _returnUnknownRequest(HttpRequest request) {
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HttpResponse response = request.response;
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response.statusCode = HttpStatus.NOT_FOUND;
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response.headers.add(HttpHeaders.CONTENT_TYPE, "text/plain");
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response.write('Not found');
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response.close();
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}
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/**
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* Write a single row within a table to the given [response] object. The row
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* will have one cell for each of the [columns], and will be a header row if
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* [header] is `true`.
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*/
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void _writeRow(HttpResponse response, List<Object> columns, [bool header = false]) {
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if (header) {
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response.write('<th>');
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} else {
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response.write('<tr>');
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}
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columns.forEach((Object value) {
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response.write('<td>');
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response.write(value);
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response.write('</td>');
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});
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if (header) {
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response.write('</th>');
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} else {
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response.write('</tr>');
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}
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}
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} |