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0 parents commit bfbf6b76af1537ea66a7e905bdf522e0ee6cb16f @marekjelen marekjelen committed Jan 19, 2012
3 .gitignore
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+*.iml
+*.gem
+.bundle
3 CHANGELOG.md
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+## 0.0.1 (19.1.2012)
+
+* first version
3 Gemfile
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+source :rubygems
+
+gemspec
18 Gemfile.lock
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+PATH
+ remote: .
+ specs:
+ wildcloud-websockets (0.0.1-java)
+ hot_bunnies (= 1.3.4)
+ multi_json (= 1.0.4)
+
+GEM
+ remote: http://rubygems.org/
+ specs:
+ hot_bunnies (1.3.4-java)
+ multi_json (1.0.4)
+
+PLATFORMS
+ java
+
+DEPENDENCIES
+ wildcloud-websockets!
174 LICENSE
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+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
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+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
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7 README.md
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+# Wildcloud - Websockets
+
+Service providing websockets to applications deployed in Wildcloud platform
+
+# License
+
+Project is licensed under the terms of the Apache 2 License.
28 bin/wildcloud-websockets
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+#!/usr/bin/env ruby
+#
+# Copyright 2011 Marek Jelen
+#
+# Licensed 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 'rubygems'
+
+$: << File.expand_path('../../lib', __FILE__)
+
+require 'java'
+
+require File.expand_path('../../ext/netty', __FILE__)
+
+require 'wildcloud/websockets/web_sockets_server'
+
+@server = Wildcloud::Websockets::WebSocketsServer.new
+@server.start
BIN ext/netty.jar
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1 ext/versions.txt
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+Netty 3.3.0.Final
13 lib/wildcloud/websockets.rb
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+# Copyright 2011 Marek Jelen
+#
+# Licensed 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.
78 lib/wildcloud/websockets/engine.rb
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+# Copyright 2011 Marek Jelen
+#
+# Licensed 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 'net/http'
+require 'singleton'
+require 'thread'
+require 'uri'
+
+module Wildcloud
+ module Websockets
+ class Engine
+
+ include Singleton
+
+ def initialize
+ @sockets = {}
+ @queue = Queue.new
+ @thread = Thread.new do
+ loop do
+ begin
+ url, data = @queue.pop
+ puts "#{data} to #{url}"
+ url = URI.parse(url)
+ http = Net::HTTP.new(url.host, url.port)
+ post = Net::HTTP::Post.new(url.path)
+ post.body = data
+ post['Content-Type'] = 'text/plain'
+ response = http.request(post)
+ puts "Response #{response.code} (#{response.body})"
+ rescue Exception => e
+ puts e
+ end
+ end
+ end
+ end
+
+ def authorize(app_id, user_id)
+ socket_id = "#{app_id}#{user_id}"
+ @sockets[socket_id] = {:socket_id => socket_id, :app_id => app_id, :user_id => user_id, :sockets => [], :callback => 'http://localhost:4000/publish/appclient'}
+ socket_id
+ end
+
+ def validate(socket_id)
+ @sockets.key?(socket_id)
+ end
+
+ def add_socket(socket_id, socket)
+ return nil unless @sockets.key?(socket_id)
+ @sockets[socket_id][:sockets] << socket
+ end
+
+ def remove_socket(socket_id, socket)
+ return nil unless @sockets.key?(socket_id)
+ @sockets[socket_id][:sockets].delete(socket)
+ end
+
+ def publish(socket_id, message)
+ @sockets[socket_id][:sockets].each { |socket| socket.publish(message) }
+ end
+
+ def on_message(socket_id, message)
+ @queue << [@sockets[socket_id][:callback], message]
+ end
+
+ end
+ end
+end
19 lib/wildcloud/websockets/version.rb
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+# Copyright 2011 Marek Jelen
+#
+# Licensed 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.
+
+module Wildcloud
+ module Websockets
+ VERSION = '0.0.1' unless const_defined?(:VERSION)
+ end
+end
185 lib/wildcloud/websockets/web_sockets_server.rb
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+# Copyright 2011 Marek Jelen
+#
+# Licensed 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 'multi_json'
+
+require 'wildcloud/websockets/engine'
+
+module Wildcloud
+ module Websockets
+
+ java_import 'java.net.InetSocketAddress'
+ java_import 'java.nio.charset.Charset'
+ java_import 'java.util.concurrent.Executors'
+
+ java_import 'org.jboss.netty.bootstrap.ServerBootstrap'
+ java_import 'org.jboss.netty.buffer.ChannelBuffers'
+ java_import 'org.jboss.netty.handler.codec.http.DefaultHttpResponse'
+ java_import 'org.jboss.netty.handler.codec.http.HttpHeaders'
+ java_import 'org.jboss.netty.handler.codec.http.HttpChunkAggregator'
+ java_import 'org.jboss.netty.handler.codec.http.HttpRequest'
+ java_import 'org.jboss.netty.handler.codec.http.HttpRequestDecoder'
+ java_import 'org.jboss.netty.handler.codec.http.HttpResponseEncoder'
+ java_import 'org.jboss.netty.handler.codec.http.HttpResponseStatus'
+ java_import 'org.jboss.netty.handler.codec.http.HttpVersion'
+ java_import 'org.jboss.netty.handler.codec.http.websocketx.CloseWebSocketFrame'
+ java_import 'org.jboss.netty.handler.codec.http.websocketx.PingWebSocketFrame'
+ java_import 'org.jboss.netty.handler.codec.http.websocketx.PongWebSocketFrame'
+ java_import 'org.jboss.netty.handler.codec.http.websocketx.TextWebSocketFrame'
+ java_import 'org.jboss.netty.handler.codec.http.websocketx.WebSocketFrame'
+ java_import 'org.jboss.netty.handler.codec.http.websocketx.WebSocketServerHandshakerFactory'
+ java_import 'org.jboss.netty.channel.ChannelFutureListener'
+ java_import 'org.jboss.netty.channel.ChannelPipeline'
+ java_import 'org.jboss.netty.channel.ChannelPipelineFactory'
+ java_import 'org.jboss.netty.channel.Channels'
+ java_import 'org.jboss.netty.channel.SimpleChannelUpstreamHandler'
+ java_import 'org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory'
+
+ class WebSocketsServer
+
+ def initialize(address = '0.0.0.0', port = 4000)
+ @address = address
+ @port = port
+ @bootstrap = ServerBootstrap.new(NioServerSocketChannelFactory.new(Executors.newCachedThreadPool, Executors.newCachedThreadPool))
+ @bootstrap.pipeline_factory = WebSocketsServerPipelineFactory.new
+ end
+
+ def start
+ puts "Starting at #{@address} and #{@port}"
+ @bootstrap.bind(InetSocketAddress.new(@address, @port))
+ end
+
+ end
+
+ class WebSocketsServerHandler < SimpleChannelUpstreamHandler
+
+ def messageReceived(context, event)
+ message = event.message
+ case message
+ when HttpRequest
+ handle_http(context, message)
+ when WebSocketFrame
+ handle_ws(context, message)
+ end
+ end
+
+ def handle_http(context, request)
+ case
+ when match = /^\/authorize\/([^\/]+)\/([^\/]+)$/.match(request.uri)
+ handle_authorize(context, request, match[1], match[2])
+ when match = /^\/publish\/([^\/]+)$/.match(request.uri)
+ handle_publish(context, request, match[1])
+ when match = /^\/([^\/]+)\/info$/.match(request.uri)
+ handle_info(context, request, match[1])
+ when match = /^\/([^\/]+)\/([^\/]+)\/([^\/]+)\/websocket$/.match(request.uri)
+ handle_ws_handshake(context, request, match[1], match[2], match[3])
+ else
+ context.channel.write(DefaultHttpResponse.new(HttpVersion::HTTP_1_1, HttpResponseStatus::FORBIDDEN)).addListener(ChannelFutureListener.CLOSE)
+ end
+ end
+
+ def handle_info(context, request, socket_id)
+ info = "{\"websocket\":true,\"origins\":[\"*:*\"],\"cookie_needed\":true,\"entropy\":#{Time.now.to_i}}"
+ response = DefaultHttpResponse.new(HttpVersion::HTTP_1_1, HttpResponseStatus::OK)
+ HttpHeaders.set_content_length(response, info.size)
+ response.set_content(ChannelBuffers.wrapped_buffer(info.to_java_bytes))
+ response.set_header('Access-Control-Allow-Credentials', 'true')
+ response.set_header('Access-Control-Allow-Origin', 'http://localhost')
+ response.set_header('Content-Type', 'application/json; charset=UTF-8')
+ response.set_header('Cache-Control', 'no-store, no-cache, must-revalidate, max-age=0')
+ context.channel.write(response).addListener(ChannelFutureListener.CLOSE)
+ end
+
+ def handle_authorize(context, request, app_id, user_id)
+ # localhost:4000/authorize/app/client
+ socket_id = Engine.instance.authorize(app_id, user_id)
+ response = DefaultHttpResponse.new(HttpVersion::HTTP_1_1, HttpResponseStatus::OK)
+ HttpHeaders.set_content_length(response, socket_id.size)
+ response.set_content(ChannelBuffers.wrapped_buffer(socket_id.to_java_bytes))
+ context.channel.write(response).addListener(ChannelFutureListener.CLOSE)
+ end
+
+ def handle_publish(context, request, socket_id)
+ response = DefaultHttpResponse.new(HttpVersion::HTTP_1_1, HttpResponseStatus::OK)
+ HttpHeaders.set_content_length(response, 2)
+ response.set_content(ChannelBuffers.wrapped_buffer('OK'.to_java_bytes))
+ context.channel.write(response).addListener(ChannelFutureListener.CLOSE)
+
+ data = request.content.to_string(Charset.for_name('UTF-8'))
+ puts data
+ Engine.instance.publish(socket_id, data)
+ end
+
+ def handle_ws_handshake(context, request, socket_id, server_id, session_id)
+ unless Engine.instance.validate(socket_id)
+ return context.channel.write(DefaultHttpResponse.new(HttpVersion::HTTP_1_1, HttpResponseStatus::FORBIDDEN)).addListener(ChannelFutureListener.CLOSE)
+ end
+ @handshaker_factory = WebSocketServerHandshakerFactory.new("ws://localhost:4000/socket/#{socket_id}", nil, false)
+ @handshaker = @handshaker_factory.new_handshaker(request)
+ return @handshaker_factory.sendUnsupportedWebSocketVersionResponse(context.channel) unless @handshaker
+ @handshaker.handshake(context.channel, request)
+ @channel = context.channel
+ @socket_id = socket_id
+ Engine.instance.add_socket(@socket_id, self)
+ @channel.write(TextWebSocketFrame.new("o\n"))
+ end
+
+ def handle_ws(context, frame)
+ case frame
+ when CloseWebSocketFrame
+ @handshaker.close(context.channel, frame).addListener(ChannelFutureListener.CLOSE)
+ Engine.instance.remove_socket(@socket_id, self)
+ when PingWebSocketFrame
+ context.channel.write(PongWebSocketFrame.new(frame.binary_data))
+ when TextWebSocketFrame
+ handle_ws_text_frame(context, frame)
+ else
+ raise Exception.new('Bad encoding')
+ end
+ end
+
+ def publish(message)
+ message = [message.to_s] unless message.kind_of?(Array)
+ message = "a#{MultiJson.encode(message)}\n"
+ @channel.write(TextWebSocketFrame.new(message))
+ end
+
+ def close(reason)
+ message = "c[3000,\"#{reason}\"]"
+ @channel.write(TextWebSocketFrame.new(message))
+ end
+
+ def handle_ws_text_frame(context, frame)
+ Engine.instance.on_message(@socket_id, frame.text)
+ end
+
+ end
+
+ class WebSocketsServerPipelineFactory
+
+ include ChannelPipelineFactory
+
+ def getPipeline
+ pipeline = Channels.pipeline
+ pipeline.add_last('decoder', HttpRequestDecoder.new)
+ pipeline.add_last('aggregator', HttpChunkAggregator.new(65536))
+ pipeline.add_last('encoder', HttpResponseEncoder.new)
+ pipeline.add_last('handler', WebSocketsServerHandler.new)
+ pipeline
+ end
+
+ end
+
+ end
+end
28 samples/test.html
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+<html>
+<head>
+ <title>Web Socket Test</title>
+ <script src="http://cdn.sockjs.org/sockjs-0.2.min.js"></script>
+ <link rel="stylesheet" href="http://localhost:4000/authorize/app/client">
+ <script>
+ var sock = new SockJS('http://localhost:4000/appclient', null, {debug:true, devel:true});
+ sock.onopen = function () {
+ console.log('open');
+ };
+ sock.onmessage = function (e) {
+ console.log('message', e.data);
+ };
+ sock.onclose = function () {
+ console.log('close');
+ };
+ </script>
+</head>
+<body>
+<form onsubmit="return false;" action="#">
+ <label>
+ <input type="text" name="message" value="Hello, World!"/>
+ </label>
+ <input type="button" value="Send Web Socket Data" onclick="sock.send(this.form.message.value)"/>
+ <input type="button" value="Close Socket" onclick="sock.close()"/>
+</form>
+</body>
+</html>
25 wildcloud-websockets.gemspec
@@ -0,0 +1,25 @@
+lib = File.expand_path('../lib/', __FILE__)
+$:.unshift lib unless $:.include?(lib)
+
+require 'wildcloud/websockets/version'
+
+Gem::Specification.new do |s|
+ s.name = 'wildcloud-websockets'
+ s.version = Wildcloud::Websockets::VERSION
+ s.platform = Gem::Platform::JAVA
+ s.authors = ['Marek Jelen']
+ s.email = ['marek@jelen.biz']
+ s.homepage = 'http://github.com/wildcloud'
+ s.summary = 'Websockets service for Wildcloud'
+ s.description = 'Service providing websockets to applications deployed in Wildcloud platform'
+ s.license = 'Apache2'
+
+ s.required_rubygems_version = '>= 1.3.6'
+
+ s.add_dependency 'hot_bunnies', '1.3.4'
+ s.add_dependency 'multi_json', '1.0.4'
+
+ s.files = Dir.glob('{bin,lib,ext}/**/*') + %w(LICENSE README.md CHANGELOG.md)
+ s.executables = %w(wildcloud-websockets)
+ s.require_path = 'lib'
+end

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