pkg/analysis_server/lib/src/get_handler.dart - Issue 796913004: enhance code completion tracking and measurement

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Issue 796913004: enhance code completion tracking and measurement (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: merge Created 6 years ago

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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file	1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file

2 // for details. All rights reserved. Use of this source code is governed by a	2 // for details. All rights reserved. Use of this source code is governed by a

3 // BSD-style license that can be found in the LICENSE file.	3 // BSD-style license that can be found in the LICENSE file.

4	4

5 library get.handler;	5 library get.handler;

6	6

7 import 'dart:convert';	7 import 'dart:convert';

8 import 'dart:io';	8 import 'dart:io';

9 import 'dart:math';	9 import 'dart:math';

10	10

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320 response.write('</body>');	320 response.write('</body>');

321 response.write('</html>');	321 response.write('</html>');

322 response.close();	322 response.close();

323 }	323 }

324	324

325 /**	325 /**

326 * Return a response displaying code completion information.	326 * Return a response displaying code completion information.

327 */	327 */

328 void _returnCompletionInfo(HttpRequest request) {	328 void _returnCompletionInfo(HttpRequest request) {

329 var refresh = request.requestedUri.queryParameters['refresh'];	329 var refresh = request.requestedUri.queryParameters['refresh'];

	330 var maxCount = request.requestedUri.queryParameters['maxCount'];

330 HttpResponse response = request.response;	331 HttpResponse response = request.response;

331 response.statusCode = HttpStatus.OK;	332 response.statusCode = HttpStatus.OK;

332 response.headers.add(HttpHeaders.CONTENT_TYPE, "text/html");	333 response.headers.add(HttpHeaders.CONTENT_TYPE, "text/html");

333 response.write('<html>');	334 response.write('<html>');

334 response.write('<head>');	335 response.write('<head>');

335 response.write('<title>Dart Analysis Server - Completion Stats</title>');	336 response.write('<title>Dart Analysis Server - Completion Stats</title>');

336 response.write('<style>');	337 response.write('<style>');

337 response.write('td.right {text-align: right;}');	338 response.write('td.right {text-align: right;}');

338 response.write('</style>');	339 response.write('</style>');

339 if (refresh is String) {	340 if (refresh is String) {

340 int seconds = int.parse(refresh, onError: (_) => 5);	341 int seconds = int.parse(refresh, onError: (_) => 5);

341 response.write('<meta http-equiv="refresh" content="$seconds">');	342 response.write('<meta http-equiv="refresh" content="$seconds">');

342 }	343 }

343 response.write('</head>');	344 response.write('</head>');

344 response.write('<body>');	345 response.write('<body>');

345 _writeCompletionInfo(response);	346 _writeCompletionInfo(response, maxCount);

346 response.write('<form>');	347 response.write('<p>&nbsp</p>');

347 response.write(	348 response.write('<p>Try ');

348 '<input type="button" onClick="history.go(0)" value="Refresh">');	349 response.write('<a href="?refresh=5">?refresh=5</a>');

349 response.write('</form>');	350 response.write(' to refresh every 5 seconds</p>');

350 response.write('<p>Append "?refresh=5" to refresh every 5 seconds</p>');	351 response.write('<p>and ');

	352 response.write('<a href="?maxCount=50">?maxCount=50</a>');

	353 response.write(' to keep the last 50 performance measurements</p>');

351 response.write('</body>');	354 response.write('</body>');

352 response.write('</html>');	355 response.write('</html>');

353 response.close();	356 response.close();

354 }	357 }

355	358

356 void _returnFailure(HttpRequest request, String message) {	359 void _returnFailure(HttpRequest request, String message) {

357 HttpResponse response = request.response;	360 HttpResponse response = request.response;

358 response.statusCode = HttpStatus.OK;	361 response.statusCode = HttpStatus.OK;

359 response.headers.add(HttpHeaders.CONTENT_TYPE, "text/html");	362 response.headers.add(HttpHeaders.CONTENT_TYPE, "text/html");

360 response.write('<html>');	363 response.write('<html>');

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484 response.write('<li><a href="$COMPLETION_PATH">Completion Stats</a></li>');	487 response.write('<li><a href="$COMPLETION_PATH">Completion Stats</a></li>');

485 response.write('<ul>');	488 response.write('<ul>');

486 response.write('</body>');	489 response.write('</body>');

487 response.write('</html>');	490 response.write('</html>');

488 response.close();	491 response.close();

489 }	492 }

490	493

491 /**	494 /**

492 * Append code completion information.	495 * Append code completion information.

493 */	496 */

494 void _writeCompletionInfo(HttpResponse response) {	497 void _writeCompletionInfo(HttpResponse response, maxCount) {

495 response.write('<h1>Code Completion</h1>');	498 response.write('<h1>Code Completion</h1>');

496 AnalysisServer analysisServer = _server.analysisServer;	499 AnalysisServer analysisServer = _server.analysisServer;

497 if (analysisServer == null) {	500 if (analysisServer == null) {

498 response.write('<p>Not running</p>');	501 response.write('<p>Not running</p>');

499 return;	502 return;

500 }	503 }

501 CompletionDomainHandler handler = analysisServer.handlers.firstWhere(	504 CompletionDomainHandler handler = analysisServer.handlers.firstWhere(

502 (h) => h is CompletionDomainHandler,	505 (h) => h is CompletionDomainHandler,

503 orElse: () => null);	506 orElse: () => null);

504 if (handler == null) {	507 if (handler == null) {

505 response.write('<p>No code completion</p>');	508 response.write('<p>No code completion</p>');

506 return;	509 return;

507 }	510 }

	511 if (maxCount is String) {

	512 int count = int.parse(maxCount, onError: (_) => 0);

	513 handler.performanceListMaxLength = count;

	514 }

508 CompletionPerformance performance = handler.performance;	515 CompletionPerformance performance = handler.performance;

509 if (performance == null) {	516 if (performance == null) {

510 response.write('<p>No performance stats yet</p>');	517 response.write('<p>No performance stats yet</p>');

511 return;	518 return;

512 }	519 }

513 response.write('<h2>Performance</h2>');

514 response.write('<table>');	520 response.write('<table>');

515 _writeRow(response, ['Elapsed', '', 'Operation'], header: true);	521 _writeRow(response, ['Elapsed', '', 'Operation'], header: true);

516 performance.operations.forEach((OperationPerformance op) {	522 performance.operations.forEach((OperationPerformance op) {

517 String elapsed = op.elapsed != null ? op.elapsed.toString() : '???';	523 String elapsed = op.elapsed != null ? op.elapsed.toString() : '???';

518 _writeRow(response, [elapsed, '  ', op.name]);	524 _writeRow(response, [elapsed, '  ', op.name]);

519 });	525 });

	526 if (handler.priorityChangedPerformance == null) {

	527 response.write('<p>No priorityChanged caching</p>');

	528 } else {

	529 int len = handler.priorityChangedPerformance.operations.length;

	530 if (len > 0) {

	531 var op = handler.priorityChangedPerformance.operations[len - 1];

	532 if (op != null) {

	533 _writeRow(response, [' ', ' ', ' ']);

	534 String elapsed = op.elapsed != null ? op.elapsed.toString() : '???';

	535 _writeRow(response, [elapsed, '  ', op.name]);

	536 }

	537 }

	538 }

520 response.write('</table>');	539 response.write('</table>');

	540 if (handler.performanceList.length > 0) {

	541 response.write('<table>');

	542 _writeRow(response, ['Milliseconds', '', '# Notifications', '', '# Suggest ions', '', 'Snippet'], header: true);

	543 handler.performanceList.forEach((CompletionPerformance performance) {

	544 _writeRow(

	545 response,

	546 [

	547 performance.elapsedInMilliseconds,

	548 '  ',

	549 performance.notificationCount,

	550 '  ',

	551 performance.suggestionCount,

	552 '  ',

	553 performance.snippet]);

	554 });

	555 response.write('</table>');

	556 }

521 }	557 }

522	558

523 /**	559 /**

524 * Write a single row within a table to the given [response] object. The row	560 * Write a single row within a table to the given [response] object. The row

525 * will have one cell for each of the [columns], and will be a header row if	561 * will have one cell for each of the [columns], and will be a header row if

526 * [header] is `true`.	562 * [header] is `true`.

527 */	563 */

528 void _writeRow(HttpResponse response, List<Object> columns, {bool header:	564 void _writeRow(HttpResponse response, List<Object> columns, {bool header:

529 false, List<String> classes}) {	565 false, List<String> classes}) {

530 response.write('<tr>');	566 response.write('<tr>');

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547 if (header) {	583 if (header) {

548 response.write('</th>');	584 response.write('</th>');

549 } else {	585 } else {

550 response.write('</td>');	586 response.write('</td>');

551 }	587 }

552 }	588 }

553	589

554 response.write('</tr>');	590 response.write('</tr>');

555 }	591 }

556 }	592 }

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