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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/jaegertracing/thrift/tutorial/dart/server/bin/main.dart | |
parent | Initial commit. (diff) | |
download | ceph-upstream.tar.xz ceph-upstream.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/jaegertracing/thrift/tutorial/dart/server/bin/main.dart | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/tutorial/dart/server/bin/main.dart b/src/jaegertracing/thrift/tutorial/dart/server/bin/main.dart new file mode 100644 index 000000000..b8ac30d3d --- /dev/null +++ b/src/jaegertracing/thrift/tutorial/dart/server/bin/main.dart @@ -0,0 +1,163 @@ +/// Licensed to the Apache Software Foundation (ASF) under one +/// or more contributor license agreements. See the NOTICE file +/// distributed with this work for additional information +/// regarding copyright ownership. The ASF licenses this file +/// to you under the Apache License, Version 2.0 (the +/// "License"); you may not use this file except in compliance +/// with the License. You may obtain a copy of the License at +/// +/// http://www.apache.org/licenses/LICENSE-2.0 +/// +/// Unless required by applicable law or agreed to in writing, +/// software distributed under the License is distributed on an +/// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +/// KIND, either express or implied. See the License for the +/// specific language governing permissions and limitations +/// under the License. + +import 'dart:async'; +import 'dart:io'; + +import 'package:args/args.dart'; +import 'package:logging/logging.dart'; +import 'package:thrift/thrift.dart'; +import 'package:thrift/thrift_console.dart'; +import 'package:tutorial/tutorial.dart'; +import 'package:shared/shared.dart'; + +TProtocol _protocol; +TProcessor _processor; +WebSocket _webSocket; + +main(List<String> args) { + Logger.root.level = Level.ALL; + Logger.root.onRecord.listen((LogRecord rec) { + print('${rec.level.name}: ${rec.time}: ${rec.message}'); + }); + + var parser = new ArgParser(); + parser.addOption('port', defaultsTo: '9090', help: 'The port to listen on'); + parser.addOption('type', + defaultsTo: 'ws', + allowed: ['ws', 'tcp'], + help: 'The type of socket', + allowedHelp: {'ws': 'WebSocket', 'tcp': 'TCP Socket'}); + + ArgResults results; + try { + results = parser.parse(args); + } catch (e) { + results = null; + } + + if (results == null) { + print(parser.usage); + exit(0); + } + + int port = int.parse(results['port']); + String socketType = results['type']; + + if (socketType == 'tcp') { + _runTcpServer(port); + } else if (socketType == 'ws') { + _runWebSocketServer(port); + } +} + +Future _runWebSocketServer(int port) async { + var httpServer = await HttpServer.bind('127.0.0.1', port); + print('listening for WebSocket connections on $port'); + + httpServer.listen((HttpRequest request) async { + if (request.uri.path == '/ws') { + _webSocket = await WebSocketTransformer.upgrade(request); + await _initProcessor(new TWebSocket(_webSocket)); + } else { + print('Invalid path: ${request.uri.path}'); + } + }); +} + +Future _runTcpServer(int port) async { + var serverSocket = await ServerSocket.bind('127.0.0.1', port); + print('listening for TCP connections on $port'); + + Socket socket = await serverSocket.first; + await _initProcessor(new TTcpSocket(socket)); +} + +Future _initProcessor(TSocket socket) async { + TServerSocketTransport transport = new TServerSocketTransport(socket); + transport.onIncomingMessage.listen(_processMessage); + _processor = new CalculatorProcessor(new CalculatorServer()); + _protocol = new TBinaryProtocol(transport); + await _protocol.transport.open(); + + print('connected'); +} + +Future _processMessage(_) async { + _processor.process(_protocol, _protocol); +} + +class CalculatorServer implements Calculator { + final Map<int, SharedStruct> _log = {}; + + Future ping() async { + print('ping()'); + } + + Future<int> add(int num1, int num2) async { + print('add($num1, $num2)'); + + return num1 + num2; + } + + Future<int> calculate(int logid, Work work) async { + print('calulate($logid, ${work.toString()})'); + + int val; + + switch (work.op) { + case Operation.ADD: + val = work.num1 + work.num2; + break; + + case Operation.SUBTRACT: + val = work.num1 - work.num2; + break; + + case Operation.MULTIPLY: + val = work.num1 * work.num2; + break; + + case Operation.DIVIDE: + if (work.num2 == 0) { + var x = new InvalidOperation(); + x.whatOp = work.op; + x.why = 'Cannot divide by 0'; + throw x; + } + val = (work.num1 / work.num2).floor(); + break; + } + + var log = new SharedStruct(); + log.key = logid; + log.value = '$val "${work.comment}"'; + this._log[logid] = log; + + return val; + } + + Future zip() async { + print('zip()'); + } + + Future<SharedStruct> getStruct(int key) async { + print('getStruct($key)'); + + return _log[key]; + } +} |