Rails 5: Action Cable Demystified -- Michael de Silva / bsodmike / mwdesilva.com
Published by Michael de Silva on Friday, 24 April 2015 This write up is based on @DHH's keynote on Rails 5 at RailsConf 2015 and I am providing snippets of code directly from his slides, apart from fixing one typo! @dhh FYI the channel_for class method is missing 'def'; guess it's a slide-typo. pic.twitter.com/BLmbt9LJfY— Mike (@bsodmike) April 23, 2015 We start by creating a channel, where its r
WebSockets in Rails 4
I’ve been using Rails 4 (beta) a lot recently. In a previous post we looked at how ActionController::Live can be used with Server-Sent Events, but the problem with that is that there’s no way for the client to communicate back to the web server. Enter: WebSockets. The main issue with implementing WebSockets is that they have to keep their connections open for a long period of time, and when you’re
WebSocket サーãƒã®å®Ÿè£…ã¨ãƒ—ãƒãƒˆã‚³ãƒ«è§£èª¬ - Block Rockin’ Codes
intro ãªã‚“ã ã‹ã‚“ã WebSocket を使ã£ã¦ã‚‹ã®ã«ã€ WebSocket サーãƒã‚’自分ã§æ›¸ã„ãŸã“ã¨ãŒç„¡ã‹ã£ãŸã®ã§ã€RFC ã‚‚è½ã¡ç€ã„ã¦ããŸã“ã“らã§ã€ä»•æ§˜ã‚’èªã¿ãªãŒã‚‰å®Ÿè£…ã—ã¦ã¿ã‚ˆã†ã¨æ€ã„ã¾ã—ãŸã€‚ "WebSocket サーム実装" ã¨ã‹ã§ã‚°ã‚°ã‚‹ã¨ã€ Socket.IO ã¨ã‹ pywebsocket 㧠WebSocket アプリ作ã£ã¦ã€ã€ŒWebSocket サーãƒã‚’実装ã€ã¿ãŸã„ãªã‚¿ã‚¤ãƒˆãƒ«ã«ãªã£ã¦ã‚‹ã“ã¨ãŒå¤šã„ã¿ãŸã„ã§ã™ãŒã€ (Apache ã« PHP 㧠HelloWorld ã—ã¦ã€ã€ŒHTTP サーãƒå®Ÿè£…ã—ã¾ã—ãŸã€ã¨ã¯è¨€ã‚ãªã„よã。) ã“ã®è¨˜äº‹ã§ã¯ã€ WebSocket プãƒãƒˆã‚³ãƒ«ã‚’ã—ゃã¹ã‚‹ã‚µãƒ¼ãƒè‡ªä½“を実装ã—ã¾ã™ã€‚ ã¨ã„ã£ã¦ã‚‚ã€å…¨éƒ¨ã‚„ã‚‹ã®ã¯ã¡ã‚‡ã£ã¨å¤§å¤‰ã ã£ãŸã®ã§ã€åŸºæœ¬çš„ãªãƒ†ã‚ストメッセージã®ã‚„ã‚Šã¨ã‚Šã®éƒ¨åˆ†ã ã‘ã‚„ã£ã¦ã€ã‚¨ã‚³ãƒ¼ã‚µãƒ¼ãƒãŒã§ãã‚‹ã¨ã“ã‚ã¾ã§ã‚„ã‚Šã¾ã—ãŸã€‚ 完æˆç‰ˆã®ã‚½ãƒ¼ã‚¹ã¯ä»¥ä¸‹ã§
Faye: Simple pub/sub messaging for the web
What is it? Faye is a publish-subscribe messaging system based on the Bayeux protocol. It provides message servers for Node.js and Ruby, and clients for use on the server and in all major web browsers. Who uses it? 1. Start a server var http = require('http'), faye = require('faye'); var server = http.createServer(), bayeux = new faye.NodeAdapter({mount: '/'}); bayeux.attach(server); server.listen
Node.jsã«ã¦socket.ioã®joinã§ãƒãƒ£ãƒƒãƒˆãƒ«ãƒ¼ãƒ å®Ÿè£…ï¼ - ã¸ãょã®ãƒ¼ã¨
JavaScript Advent Calendar 2011(Node.js/WebSocketsコース) 22日目ã§ã™ï¼ 急é½å‚戦ï¼ãã—ã¦åˆAdvent Calendar... Node.jsã§ã®ãƒãƒ£ãƒƒãƒˆãƒ«ãƒ¼ãƒ ã®å®Ÿè£…ã«socket.ioã®join()を使ã£ã¦ã¿ã¾ã™ã€‚ ã¯ã˜ã‚ã« socket.ioを利用ã—ãŸãƒãƒ£ãƒƒãƒˆæ©Ÿèƒ½ã®å®Ÿè£…ã«ã¤ã„ã¦ã¯ サンプルも多ãçµæ§‹ç°¡å˜ã«å®Ÿè£…ãŒå¯èƒ½ã§ã™ã€‚ ã§ã™ãŒã€ãƒãƒ£ãƒƒãƒˆãƒ«ãƒ¼ãƒ ã®å®Ÿè£…方法ã«ã¤ã„ã¦ã¯æƒ…å ±ãŒå°‘ãªã ã‚„ã‚Šæ–¹ãŒã‚ã‹ã‚‰ãªã‹ã£ãŸã®ã§è‰²ã€…調ã¹ã¤ã¤ RoomList, Room, User クラスを自作ã™ã‚‹ã“ã¨ã§å¯¾å¿œã‚’è¡Œã„ã¾ã—ãŸã€‚ ※sample https://github.com/hekyou/socket_io-not-join-sample ã§ã™ãŒã€ã€ 最近socket.ioã«joinメソッドãŒã‚ã‚‹ã“ã¨ã‚’知りã¾ã—ã¦ã€‚ ã“ã‚Œãªã‚‰ç°¡æ½”ã«æ›¸ã‘ã‚‹ã˜ã‚ƒã‚“... ã¨ã€æ€
Redis ã® Pub/Sub を使ã£ã¦ Node.js + WebSocket ã®ã‚¹ã‚±ãƒ¼ãƒ«ã‚¢ã‚¦ãƒˆã‚’実ç¾ã™ã‚‹æ–¹æ³•
Node ã«ãŠã‘るスケールアーã‚テクãƒãƒ£è€ƒå¯Ÿ(Scale ç·¨)ã¨ã„ã†ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã‚’èªã‚“ã§ã€Redisã¯Pub/Sub型通信をサãƒãƒ¼ãƒˆã—ã¦ã„ã‚‹ã¨ã„ã†äº‹ã‚’知りã¾ã—ãŸã€‚エントリーã§ã‚‚言åŠã•ã‚Œã¦ã„るよã†ã«ã€Pub/Subを使ãˆã° Node.js + WebSocket サーãƒã‚’スケールã™ã‚‹éš›ã«ã€ä¸ç¶™ã‚µãƒ¼ãƒã®å½¹å‰²ã‚’æžœãŸã™äº‹ãŒå‡ºæ¥ã‚‹ã¯ãšã§ã™ã€‚ ãã‚“ãªè¨³ã§å®Ÿéš›ã« Node.js 㨠Redis を使ã£ã¦ Pub/Sub ã®å®Ÿé¨“ã‚’è¡Œãªã£ã¦ã¿ã¾ã—ãŸã€‚ユーザãŒåˆ¥ã€…ã®Node.jsサーãƒã«æŽ¥ç¶šã—ã¦ã„ã¦ã‚‚WebSocketを通ã—ã¦ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã®ã‚„ã‚Šå–りを出æ¥ã‚‹ã‚ˆã†ã«ã—ã¾ã™ã€‚ イメージã¨ã—ã¦ã¯ã“ã‚“ãªæ„Ÿã˜ã§ã™ã€‚ 下準備# Ubuntuã®å ´åˆã¯ apt-get ã§1発ã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹äº‹ãŒå‡ºæ¥ã¾ã™ã€‚ $ sudo apt-get install redis npmã§redisモジュールをインストールã—ã¾ã™ã€‚ $ npm i
em-websocketを使ã£ã¦ãƒãƒ£ãƒƒãƒˆãƒ„ールã«æŒ‘戦 « ツール工房 覚書
------------------------------------------------------------------------- #!/usr/bin/env ruby require 'rubygems' require 'em-websocket' # ãƒãƒ£ãƒƒãƒˆç”¨ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ« ユーザー管ç†ã‚’è¿½åŠ module ChatModule # ãƒã‚°ã‚¤ãƒ³è¦æ±‚コマンド CMD_LOGIN = "[CreateLoginUserCmd]" CMD_RETURN_LOGIN_OK = "[CreateLoginUserCmd_OK]" CMD_RETURN_LOGIN_NG = "[CreateLoginUserCmd_NG]" # ãƒ¦ãƒ¼ã‚¶ãƒ¼ç®¡ç† @@connected_clients = Hash.new # å—ä¿¡ã—ãŸãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ãŒãƒã‚°ã‚¤ãƒ³è¦æ±‚ã‹ã©ã†ã‹ def loginMessage
"リアルタイムWeb" ã«é–¢ã™ã‚‹ãƒ—ラクティスã®ã‚¢ã‚¦ãƒˆãƒ—ット - Block Rockin’ Codes
追記 11/12/26 MLã®ã‚¹ãƒ¬ãƒƒãƒ‰ã¸ã®ãƒªãƒ³ã‚¯ãŒé–“é•ã£ã¦ã„ãŸã®ã§ä¿®æ£ã€‚ introduction WebSocket ãªã‚“ã‹ã‚’ã¤ã‹ã£ã¦ã€å¾“æ¥ã®ã‚¹ãƒ†ãƒ¼ãƒˆãƒ¬ã‚¹ãªå‡¦ç†ä»¥å¤–ã«ã€ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã‚’継続ã™ã‚‹ã‚¹ãƒ†ãƒ¼ãƒˆãƒ•ãƒ«ãªå‡¦ç†ãŒå¯èƒ½ã«ãªã‚Šã¾ã—ãŸã€‚ ã“れを利用ã™ã‚‹ã¨ã€ã“ã‚Œã¾ã§å®Ÿè£…ãŒé›£ã—ã‹ã£ãŸãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ ãªè¡¨ç¾ã‚’ Web ã«æŒã¡è¾¼ã‚€ã“ã¨ãŒã§ãã¾ã™ã€‚ ãã—ã¦ã€ WebSocket を用ã„ãŸãƒ—ãƒã‚°ãƒ©ãƒ を作æˆã™ã‚‹ä¸Šã§ã€Node.js 㨠Socket.IO を用ã„る方法ã«ã¤ã„ã¦ã€ 今年ã¯ã“ã®ãƒ–ãƒã‚°ã§ã‚‚何度ã‹ç´¹ä»‹ã—ã¦ãã¾ã—ãŸã€‚ 今日ã¯ä»Šå¹´ä¸€å¹´ã®é›†å¤§æˆã¨ã—ã¦ã€è‡ªåˆ†ãŒè‰²ã€…試ã—ãªãŒã‚‰å¾—ãŸãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ Web ã«é–¢ã™ã‚‹çŸ¥è˜ã€æŠ€è¡“ãªã©ã‚’〠ã“ã“ã«ã¾ã¨ã‚ã¦ã‚¢ã‚¦ãƒˆãƒ—ットã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ 今回ãŠè©±ã—ã™ã‚‹ã®ã¯ã€ æ±äº¬Nodeå¦åœ’ 3時é™ç›® : ATND ã§ç™ºè¡¨ã—ãŸä¸‹è¨˜å†…容ã®æŠœç²‹ã§ã™ã€‚ Node Academy | "About Sl
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Node.js(Socket.IO)を使ã£ã¦zenpreã®ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ é…信基盤を作る
Pogodan. Web Development and Consultancy
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