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| 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
| 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. |
| 4 |
| 5 import 'dart:async'; |
| 6 import 'dart:convert'; |
| 7 import 'dart:io' as io; |
| 8 import 'package:observatory/service_io.dart'; |
| 9 import 'package:unittest/unittest.dart'; |
| 10 import 'test_helper.dart'; |
| 11 |
| 12 Future setupTCP() async { |
| 13 // Note that we don't close after us, by design we leave the sockets opens |
| 14 // to allow us to query them from the other isolate. |
| 15 var serverSocket = await io.ServerSocket.bind('127.0.0.1', 0); |
| 16 serverSocket.listen((s) { |
| 17 s.transform(UTF8.decoder).listen(print); |
| 18 s.close(); |
| 19 }); |
| 20 var socket = await io.Socket.connect("127.0.0.1", serverSocket.port); |
| 21 socket.write("foobar"); |
| 22 socket.write("foobar"); |
| 23 await socket.flush(); |
| 24 |
| 25 var socket2 = await io.Socket.connect("127.0.0.1", serverSocket.port); |
| 26 socket2.write("foobarfoobar"); |
| 27 await socket2.flush(); |
| 28 } |
| 29 |
| 30 void expectTimeBiggerThanZero(time) { |
| 31 // Stopwatch resolution on windows makes us sometimes report 0; |
| 32 if (io.Platform.isWindows) { |
| 33 expect(time, greaterThanOrEqualTo(0)); |
| 34 } else { |
| 35 expect(time, greaterThan(0)); |
| 36 } |
| 37 } |
| 38 |
| 39 var tcpTests = [ |
| 40 // Initial. |
| 41 (Isolate isolate) async { |
| 42 var result = await isolate.invokeRpcNoUpgrade('__getOpenSockets', {}); |
| 43 expect(result['type'], equals('_opensockets')); |
| 44 // We expect 3 sockets to be open (in this order): |
| 45 // The server socket accepting connections, on port X |
| 46 // The accepted connection on the client, on port Y |
| 47 // The client connection, on port X |
| 48 expect(result['data'].length, equals(5)); |
| 49 // The first socket will have a name like listening:127.0.0.1:X |
| 50 // The second will have a name like 127.0.0.1:Y |
| 51 // The third will have a name like 127.0.0.1:X |
| 52 expect(result['data'][0]['name'].startsWith('listening:127.0.0.1'), isTrue); |
| 53 expect(result['data'][1]['name'].startsWith('127.0.0.1:'), isTrue); |
| 54 expect(result['data'][2]['name'].startsWith('127.0.0.1:'), isTrue); |
| 55 |
| 56 var listening = await isolate.invokeRpcNoUpgrade( |
| 57 '__getSocketByID', { 'id' : result['data'][0]['id'] }); |
| 58 expect(listening['id'], equals(result['data'][0]['id'])); |
| 59 expect(listening['listening'], isTrue); |
| 60 expect(listening['socket_type'], equals('TCP')); |
| 61 expect(listening['port'], greaterThanOrEqualTo(1024)); |
| 62 expectTimeBiggerThanZero(listening['last_read']); |
| 63 |
| 64 expect(listening['total_read'], equals(2)); |
| 65 expect(listening['last_write'], equals(0)); |
| 66 expect(listening['total_written'], equals(0)); |
| 67 expect(listening['write_count'], equals(0)); |
| 68 expect(listening['read_count'], equals(0)); |
| 69 expect(listening['remote_host'], equals('NA')); |
| 70 expect(listening['remote_port'], equals('NA')); |
| 71 |
| 72 var client = await isolate.invokeRpcNoUpgrade( |
| 73 '__getSocketByID', { 'id' : result['data'][1]['id'] }); |
| 74 expect(client['id'], equals(result['data'][1]['id'])); |
| 75 |
| 76 var server = await isolate.invokeRpcNoUpgrade( |
| 77 '__getSocketByID', { 'id' : result['data'][2]['id'] }); |
| 78 expect(server['id'], equals(result['data'][2]['id'])); |
| 79 |
| 80 // We expect the client to be connected on the port and |
| 81 // host of the listening socket. |
| 82 expect(client['remote_port'], equals(listening['port'])); |
| 83 expect(client['remote_host'], equals(listening['host'])); |
| 84 // We expect the third socket (accepted server) to be connected to the |
| 85 // same port and host as the listening socket (the listening one). |
| 86 expect(server['port'], equals(listening['port'])); |
| 87 expect(server['host'], equals(listening['host'])); |
| 88 |
| 89 expect(client['listening'], isFalse); |
| 90 expect(server['listening'], isFalse); |
| 91 |
| 92 expect(client['socket_type'], equals('TCP')); |
| 93 expect(server['socket_type'], equals('TCP')); |
| 94 |
| 95 // We are using no reserved ports. |
| 96 expect(client['port'], greaterThanOrEqualTo(1024)); |
| 97 expect(server['port'], greaterThanOrEqualTo(1024)); |
| 98 |
| 99 // The client and server "mirror" each other in reads and writes, and the |
| 100 // timestamps are in correct order. |
| 101 expect(client['last_read'], equals(0)); |
| 102 expectTimeBiggerThanZero(server['last_read']); |
| 103 expect(client['total_read'], equals(0)); |
| 104 expect(server['total_read'], equals(12)); |
| 105 expect(client['read_count'], equals(0)); |
| 106 expect(server['read_count'], greaterThanOrEqualTo(1)); |
| 107 |
| 108 expectTimeBiggerThanZero(client['last_write']); |
| 109 expect(server['last_write'], equals(0)); |
| 110 expect(client['total_written'], equals(12)); |
| 111 expect(server['total_written'], equals(0)); |
| 112 expect(client['write_count'], greaterThanOrEqualTo(2)); |
| 113 expect(server['write_count'], equals(0)); |
| 114 |
| 115 // Order |
| 116 // Stopwatch resolution on windows can make us have the same timestamp. |
| 117 if (io.Platform.isWindows) { |
| 118 expect(server['last_read'], greaterThanOrEqualTo(client['last_write'])); |
| 119 } else { |
| 120 expect(server['last_read'], greaterThan(client['last_write'])); |
| 121 } |
| 122 |
| 123 var second_client = await isolate.invokeRpcNoUpgrade( |
| 124 '__getSocketByID', { 'id' : result['data'][3]['id'] }); |
| 125 expect(second_client['id'], equals(result['data'][3]['id'])); |
| 126 var second_server = await isolate.invokeRpcNoUpgrade( |
| 127 '__getSocketByID', { 'id' : result['data'][4]['id'] }); |
| 128 expect(second_server['id'], equals(result['data'][4]['id'])); |
| 129 |
| 130 // We expect the client to be connected on the port and |
| 131 // host of the listening socket. |
| 132 expect(second_client['remote_port'], equals(listening['port'])); |
| 133 expect(second_client['remote_host'], equals(listening['host'])); |
| 134 // We expect the third socket (accepted server) to be connected to the |
| 135 // same port and host as the listening socket (the listening one). |
| 136 expect(second_server['port'], equals(listening['port'])); |
| 137 expect(second_server['host'], equals(listening['host'])); |
| 138 |
| 139 expect(second_client['listening'], isFalse); |
| 140 expect(second_server['listening'], isFalse); |
| 141 |
| 142 expect(second_client['socket_type'], equals('TCP')); |
| 143 expect(second_server['socket_type'], equals('TCP')); |
| 144 |
| 145 // We are using no reserved ports. |
| 146 expect(second_client['port'], greaterThanOrEqualTo(1024)); |
| 147 expect(second_server['port'], greaterThanOrEqualTo(1024)); |
| 148 |
| 149 // The client and server "mirror" each other in reads and writes, and the |
| 150 // timestamps are in correct order. |
| 151 expect(second_client['last_read'], equals(0)); |
| 152 expectTimeBiggerThanZero(second_server['last_read']); |
| 153 expect(second_client['total_read'], equals(0)); |
| 154 expect(second_server['total_read'], equals(12)); |
| 155 expect(second_client['read_count'], equals(0)); |
| 156 expect(second_server['read_count'], greaterThanOrEqualTo(1)); |
| 157 |
| 158 expectTimeBiggerThanZero(second_client['last_write']); |
| 159 expect(second_server['last_write'], equals(0)); |
| 160 expect(second_client['total_written'], equals(12)); |
| 161 expect(second_server['total_written'], equals(0)); |
| 162 expect(second_client['write_count'], greaterThanOrEqualTo(1)); |
| 163 expect(second_server['write_count'], equals(0)); |
| 164 |
| 165 // Order |
| 166 // Stopwatch resolution on windows make us sometimes report the same value. |
| 167 if (io.Platform.isWindows) { |
| 168 expect(server['last_read'], greaterThanOrEqualTo(client['last_write'])); |
| 169 } else { |
| 170 expect(server['last_read'], greaterThan(client['last_write'])); |
| 171 } |
| 172 }, |
| 173 ]; |
| 174 |
| 175 main(args) async => runIsolateTests(args, tcpTests, testeeBefore:setupTCP); |
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