paulberry@google.com
6a50f6f490
If no "--port" option is supplied, the analysis server won't start up an http server, and it will only communicate with the client over stdio. R=brianwilkerson@google.com Review URL: https://codereview.chromium.org//239333006 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@35129 260f80e4-7a28-3924-810f-c04153c831b5
98 lines
2.5 KiB
Dart
98 lines
2.5 KiB
Dart
// Copyright (c) 2014, 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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library driver;
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import 'dart:io';
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import 'package:analysis_server/http_server.dart';
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import 'package:analysis_server/src/socket_server.dart';
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import 'package:analysis_server/stdio_server.dart';
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import 'package:args/args.dart';
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/**
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* The [Driver] class represents a single running instance of the analysis
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* server application. It is responsible for parsing command line options
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* and starting the HTTP and/or stdio servers.
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*/
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class Driver {
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/**
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* The name of the application that is used to start a server.
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*/
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static const BINARY_NAME = 'server';
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/**
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* The name of the option used to print usage information.
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*/
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static const String HELP_OPTION = "help";
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/**
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* The name of the option used to specify the port to which the server will
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* connect.
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*/
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static const String PORT_OPTION = "port";
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SocketServer socketServer = new SocketServer();
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HttpAnalysisServer httpServer;
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StdioAnalysisServer stdioServer;
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Driver() {
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httpServer = new HttpAnalysisServer(socketServer);
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stdioServer = new StdioAnalysisServer(socketServer);
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}
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/**
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* Use the given command-line arguments to start this server.
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*/
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void start(List<String> args) {
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ArgParser parser = new ArgParser();
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parser.addFlag(HELP_OPTION, help:
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"print this help message without starting a server", defaultsTo: false,
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negatable: false);
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parser.addOption(PORT_OPTION, help:
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"[port] the port on which the server will listen");
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ArgResults results = parser.parse(args);
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if (results[HELP_OPTION]) {
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_printUsage(parser);
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return;
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}
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int port;
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bool serve_http = false;
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if (results[PORT_OPTION] != null) {
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serve_http = true;
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try {
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port = int.parse(results[PORT_OPTION]);
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} on FormatException {
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print('Invalid port number: ${results[PORT_OPTION]}');
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print('');
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_printUsage(parser);
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exitCode = 1;
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return;
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}
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}
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if (serve_http) {
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httpServer.serveHttp(port);
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}
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stdioServer.serveStdio().then((_) {
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if (serve_http) {
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httpServer.close();
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}
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});
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}
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/**
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* Print information about how to use the server.
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*/
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void _printUsage(ArgParser parser) {
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print('Usage: $BINARY_NAME [flags]');
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print('');
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print('Supported flags are:');
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print(parser.getUsage());
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}
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}
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