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1 | /// Licensed to the Apache Software Foundation (ASF) under one |
2 | /// or more contributor license agreements. See the NOTICE file | |
3 | /// distributed with this work for additional information | |
4 | /// regarding copyright ownership. The ASF licenses this file | |
5 | /// to you under the Apache License, Version 2.0 (the | |
6 | /// "License"); you may not use this file except in compliance | |
7 | /// with the License. You may obtain a copy of the License at | |
8 | /// | |
9 | /// http://www.apache.org/licenses/LICENSE-2.0 | |
10 | /// | |
11 | /// Unless required by applicable law or agreed to in writing, | |
12 | /// software distributed under the License is distributed on an | |
13 | /// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
14 | /// KIND, either express or implied. See the License for the | |
15 | /// specific language governing permissions and limitations | |
16 | /// under the License. | |
17 | ||
18 | import 'dart:async'; | |
19 | import 'dart:io'; | |
20 | ||
21 | import 'package:args/args.dart'; | |
22 | import 'package:logging/logging.dart'; | |
23 | import 'package:thrift/thrift.dart'; | |
24 | import 'package:thrift/thrift_console.dart'; | |
25 | import 'package:tutorial/tutorial.dart'; | |
26 | ||
27 | TTransport _transport; | |
28 | Calculator _calculator; | |
29 | int logid = 0; | |
30 | ||
31 | const Map<String, int> operationLookup = const { | |
32 | '+': Operation.ADD, | |
33 | '-': Operation.SUBTRACT, | |
34 | '*': Operation.MULTIPLY, | |
35 | '/': Operation.DIVIDE | |
36 | }; | |
37 | ||
38 | main(List<String> args) { | |
39 | Logger.root.level = Level.ALL; | |
40 | Logger.root.onRecord.listen((LogRecord rec) { | |
41 | print('${rec.level.name}: ${rec.time}: ${rec.message}'); | |
42 | }); | |
43 | ||
44 | var parser = new ArgParser(); | |
45 | parser.addOption('port', defaultsTo: '9090', help: 'The port to connect to'); | |
46 | ||
47 | ArgResults results; | |
48 | try { | |
49 | results = parser.parse(args); | |
50 | } catch (e) { | |
51 | results = null; | |
52 | } | |
53 | ||
54 | if (results == null) { | |
55 | print(parser.usage); | |
56 | exit(0); | |
57 | } | |
58 | ||
59 | int port = int.parse(results['port']); | |
60 | ||
61 | _initConnection(port).then((_) => _run()); | |
62 | } | |
63 | ||
64 | Future _initConnection(int port) async { | |
65 | var socket = await Socket.connect('127.0.0.1', port); | |
66 | _transport = new TAsyncClientSocketTransport( | |
67 | new TTcpSocket(socket), new TMessageReader(new TBinaryProtocolFactory())); | |
68 | TProtocol protocol = new TBinaryProtocol(_transport); | |
69 | await _transport.open(); | |
70 | ||
71 | _calculator = new CalculatorClient(protocol); | |
72 | } | |
73 | ||
74 | Future _run() async { | |
75 | _help(); | |
76 | ||
77 | while (true) { | |
78 | stdout.write("> "); | |
79 | var input = stdin.readLineSync(); | |
80 | var parts = input.split(' '); | |
81 | var command = parts[0]; | |
82 | var args = parts.length > 1 ? parts.sublist(1) : []; | |
83 | ||
84 | switch (command) { | |
85 | case 'ping': | |
86 | await _ping(); | |
87 | break; | |
88 | ||
89 | case 'add': | |
90 | await _add(int.parse(args[0]), int.parse(args[1])); | |
91 | break; | |
92 | ||
93 | case 'calc': | |
94 | int op = operationLookup[args[1]]; | |
95 | if (!Operation.VALID_VALUES.contains(op)) { | |
96 | stdout.writeln('Unknown operator ${args[1]}'); | |
97 | break; | |
98 | } | |
99 | ||
100 | var work = new Work() | |
101 | ..num1 = int.parse(args[0]) | |
102 | ..op = op | |
103 | ..num2 = int.parse(args[2]) | |
104 | ..comment = args.length > 3 ? args[3] : ''; | |
105 | ||
106 | await _calc(work); | |
107 | break; | |
108 | ||
109 | case 'struct': | |
110 | await _struct(int.parse(args[0])); | |
111 | break; | |
112 | ||
113 | case 'help': | |
114 | default: | |
115 | _help(); | |
116 | break; | |
117 | } | |
118 | } | |
119 | } | |
120 | ||
121 | void _help() { | |
122 | stdout.writeln('Commands:'); | |
123 | stdout.writeln(' help'); | |
124 | stdout.writeln(' ping'); | |
125 | stdout.writeln(' add x y'); | |
126 | stdout.writeln(' calc x op y [comment]'); | |
127 | stdout.writeln(' struct id'); | |
128 | stdout.writeln(''); | |
129 | } | |
130 | ||
131 | Future _ping() async { | |
132 | await _calculator.ping(); | |
133 | stdout.writeln('ping succeeded'); | |
134 | } | |
135 | ||
136 | Future _add(int x, int y) async { | |
137 | int result = await _calculator.add(x, y); | |
138 | stdout.writeln('= $result'); | |
139 | } | |
140 | ||
141 | Future _calc(Work work) async { | |
142 | int result = await _calculator.calculate(logid++, work); | |
143 | stdout.writeln('= $result'); | |
144 | } | |
145 | ||
146 | Future _struct(int key) async { | |
147 | var struct = await _calculator.getStruct(key); | |
148 | stdout.writeln(struct.toString()); | |
149 | } |