| #!/usr/bin/env ruby |
| # 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. |
| |
| require 'socket' |
| require 'avro' |
| |
| MAIL_PROTOCOL_JSON = <<-JSON |
| {"namespace": "example.proto", |
| "protocol": "Mail", |
| |
| "types": [ |
| {"name": "Message", "type": "record", |
| "fields": [ |
| {"name": "to", "type": "string"}, |
| {"name": "from", "type": "string"}, |
| {"name": "body", "type": "string"} |
| ] |
| } |
| ], |
| |
| "messages": { |
| "send": { |
| "request": [{"name": "message", "type": "Message"}], |
| "response": "string" |
| }, |
| "replay": { |
| "request": [], |
| "response": "string" |
| } |
| } |
| } |
| JSON |
| |
| MAIL_PROTOCOL = Avro::Protocol.parse(MAIL_PROTOCOL_JSON) |
| |
| def make_requestor(server_address, port, protocol) |
| sock = TCPSocket.new(server_address, port) |
| client = Avro::IPC::SocketTransport.new(sock) |
| Avro::IPC::Requestor.new(protocol, client) |
| end |
| |
| if $0 == __FILE__ |
| if ![3, 4].include?(ARGV.length) |
| raise "Usage: <to> <from> <body> [<count>]" |
| end |
| |
| # client code - attach to the server and send a message |
| # fill in the Message record |
| message = { |
| 'to' => ARGV[0], |
| 'from' => ARGV[1], |
| 'body' => ARGV[2] |
| } |
| |
| num_messages = (ARGV[3] || 1).to_i |
| |
| # build the parameters for the request |
| params = {'message' => message} |
| |
| # send the requests and print the result |
| num_messages.times do |
| requestor = make_requestor('localhost', 9090, MAIL_PROTOCOL) |
| result = requestor.request('send', params) |
| puts("Result: " + result) |
| end |
| |
| # try out a replay message |
| requestor = make_requestor('localhost', 9090, MAIL_PROTOCOL) |
| result = requestor.request('replay', {}) |
| puts("Replay Result: " + result) |
| end |
