| #!/usr/bin/env node |
| /* |
| * 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. |
| * |
| */ |
| |
| // Simple client for use with server.js illustrating request/response |
| |
| // Check if the environment is Node.js and if not log an error and exit. |
| if (typeof process === 'object' && typeof require === 'function') { |
| var proton = require("qpid-proton-messenger"); |
| |
| var address = "amqp://0.0.0.0"; |
| var subject = "UK.WEATHER"; |
| var replyTo = "~/replies"; |
| var msgtext = "Hello World!"; |
| var tracker = null; |
| |
| var message = new proton.Message(); |
| var messenger = new proton.Messenger(); |
| |
| var pumpData = function() { |
| while (messenger.incoming()) { |
| var t = messenger.get(message); |
| |
| console.log("Reply:"); |
| console.log("Address: " + message.getAddress()); |
| console.log("Subject: " + message.getSubject()); |
| |
| // body is the body as a native JavaScript Object, useful for most real cases. |
| //console.log("Content: " + message.body); |
| |
| // data is the body as a proton.Data Object, used in this case because |
| // format() returns exactly the same representation as recv.c |
| console.log("Content: " + message.data.format()); |
| |
| messenger.accept(t); |
| messenger.stop(); |
| } |
| |
| if (messenger.isStopped()) { |
| message.free(); |
| messenger.free(); |
| } |
| }; |
| |
| var args = process.argv.slice(2); |
| if (args.length > 0) { |
| if (args[0] === '-h' || args[0] === '--help') { |
| console.log("Usage: node client.js [-r replyTo] [-s subject] <addr> (default " + address + ")"); |
| console.log("Options:"); |
| console.log(" -r <reply to> The message replyTo (default " + replyTo + ")"); |
| console.log(" -s <subject> The message subject (default " + subject + ")"); |
| process.exit(0); |
| } |
| |
| for (var i = 0; i < args.length; i++) { |
| var arg = args[i]; |
| if (arg.charAt(0) === '-') { |
| i++; |
| var val = args[i]; |
| if (arg === '-r') { |
| replyTo = val; |
| } else if (arg === '-s') { |
| subject = val; |
| } |
| } else { |
| address = arg; |
| } |
| } |
| } |
| |
| messenger.on('error', function(error) {console.log(error);}); |
| messenger.on('work', pumpData); |
| messenger.setOutgoingWindow(1024); |
| messenger.recv(); // Receive as many messages as messenger can buffer. |
| messenger.start(); |
| |
| message.setAddress(address); |
| message.setSubject(subject); |
| message.setReplyTo(replyTo); |
| message.body = msgtext; |
| |
| tracker = messenger.put(message); |
| } else { |
| console.error("client.js should be run in Node.js"); |
| } |
| |