{"id":15842,"date":"2021-12-20T02:10:31","date_gmt":"2021-12-19T17:10:31","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=15842"},"modified":"2023-05-28T07:52:47","modified_gmt":"2023-05-27T22:52:47","slug":"%e3%80%90web%e9%96%8b%e7%99%ba%e3%80%91%e3%80%8csocket-io%e3%80%8d%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=15842","title":{"rendered":"\u3010Web\u958b\u767a\u3011\u300cSocket.IO\u300d\u306e\u57fa\u672c\u3001\u5b9f\u88c5\u65b9\u6cd5\u3001sticky-session"},"content":{"rendered":"

WebSocket\u3092\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u308bNode.js\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002<\/p>\n

WebSocket\u3092\u76f4\u63a5\u6271\u3046\u306e\u3068\u306e\u9055\u3044<\/h2>\n

WebSocket\u3092\u5358\u4f53\u3067\u6271\u3063\u3066\u3082\u5b9f\u88c5\u306f\u53ef\u80fd\u3067\u3059\u3002Socket.IO\u3092\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8\u306f\u4ee5\u4e0b\u3067\u3059\u3002<\/p>\n

\u4ed6\u306e\u901a\u4fe1\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u3002<\/h3>\n

WebSocket\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u74b0\u5883\u3067\u3082\u30dd\u30fc\u30ea\u30f3\u30b0\u3084\u3001JSONP\u306a\u3069\u306e\u4ed6\u306e\u901a\u4fe1\u6a5f\u80fd\u3092\u7528\u3044\u3066\u901a\u4fe1\u304c\u3067\u304d\u308b\u306e\u3067\u5e45\u5e83\u3044\u74b0\u5883\u3067\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u5168\u3066\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3067\u304d\u308b<\/h3>\n

\u30d7\u30ec\u30fc\u30f3\u306aWebSocket\u306e\u5834\u5408\u306f\u3001\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30ea\u30b9\u30c8\u3092\u898b\u3066\u4e00\u56de\u4e00\u56de\u9001\u4fe1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u81ea\u52d5\u7684\u306b\u518d\u63a5\u7d9a\u3057\u3066\u304f\u308c\u308b<\/h3>\n

\u30d7\u30ec\u30fc\u30f3\u306aWebSocket\u306e\u5834\u5408\u306f\u3001\u81ea\u52d5\u7684\u306b\u518d\u63a5\u7d9a\u306f\u3057\u3066\u304f\u308c\u307e\u305b\u3093\u3002\u518d\u63a5\u7d9a\u306e\u51e6\u7406\u3092\u8a18\u8ff0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8<\/h2>\n

1.0.0<\/h3>\n

2014\u5e745\u6708\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u3002\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3(1.0.0\u4ee5\u524d)\u306eAPI\u304c\u5ec3\u6b62\u3055\u308c\u305f\u306e\u3067\u4e92\u63db\u6027\u304c\u306a\u3044\u3002<\/p>\n

\u3067\u304d\u308b\u3053\u3068<\/h2>\n

\u30c1\u30e3\u30c3\u30c8\u306a\u3069\u306e\u9001\u53d7\u4fe1\u3055\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u5185\u5bb9\u304c\u5373\u6642\u53cd\u6620\u3055\u308c\u308b\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n

\u5236\u7d04<\/h3>\n

\u8ab0\u304b\u304c\u66f8\u304d\u8fbc\u3093\u3060\u3089\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u4ed6\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u3082\u53cd\u6620\u3055\u308c\u307e\u3059\u3002Socket.IO\u30b5\u30fc\u30d0\u30fc\u304c\u5168\u3066\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u901a\u77e5\u3057\u3066\u304f\u308c\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u5168\u3066\u306e\u5229\u7528\u30e6\u30fc\u30b6\u30fc\u304c\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><\/span><\/p>\n

P2P\u3067\u306f\u30c0\u30e1\u306a\u306e\u304b\uff1f<\/h2>\n

\u3044\u3061\u3044\u3061\u3001Socket.IO\u30b5\u30fc\u30d0\u30fc\u304c\u5fc5\u8981\u306b\u306a\u308b\u306e\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u3044\u3089\u306a\u3044P2P\u63a5\u7d9a\u3058\u3083\u30c0\u30e1\u306a\u306e\uff1f\u3068\u601d\u308f\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u305d\u308c\u3060\u3068NAT\u3084Firewall\u3092\u8d85\u3048\u308bSTUN\u30b5\u30fc\u30d0\u30fc\u306a\u3069\u3092\u7528\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u7d50\u5c40\u30b5\u30fc\u30d0\u30fc\u304c\u5fc5\u8981\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3069\u3063\u3061\u3082\u3069\u3063\u3061\u306b\u306a\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n

\u5927\u307e\u304b\u306a\u4ed5\u7d44\u307f<\/h2>\n

\u4f55\u304b\u3001\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u6642\u306b\u52d5\u304f\u300c\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u300d\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30c1\u30e3\u30c3\u30c8\u3067\u545f\u3044\u305f\u4eba\u304c\u3001post\u30a4\u30d9\u30f3\u30c8\u3092\u9001\u4fe1\u3059\u308b\u3068\u3001\u4ed6\u306e\u5168\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u300cmember-post\u300d\u3068\u3044\u3046\u30a4\u30d9\u30f3\u30c8\u3092\u5225\u9014\u767a\u884c\u3057\u307e\u3059\u3002<\/p>\n

room\u3001namespace<\/h2>\n

Socket.io\u306f\u30c7\u30fc\u30bf\u9001\u53d7\u4fe1\u3060\u3051\u3067\u306a\u304f\u3001room\u3084namespace\u306a\u3069\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

room<\/h3>\n

\u53cc\u65b9\u5411\u30fb\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c7\u30fc\u30bf\u9001\u53d7\u4fe1\u3092\u4efb\u610f\u306e\u7bc4\u56f2\u3067\u884c\u3046\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3002\u6587\u5b57\u901a\u308a\u3001\u305d\u306e\u90e8\u5c4b\u306b\u6240\u5c5e\u3059\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u9593\u306e\u307f\u3067\u30c7\u30fc\u30bf\u3092\u3084\u308a\u3068\u308a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd<\/p>\n

namespace<\/h3>\n

Socket.IO\u306e\u5b9f\u88c5\u3092\u6a5f\u80fd\u5358\u4f4d\u3067\u5206\u5272\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3002\u30c1\u30e3\u30c3\u30c8\u30a2\u30d7\u30ea\u306b\u5916\u90e8API\u9023\u643a\u6a5f\u80fd\u3084\u3001\u304a\u77e5\u3089\u305b\u6a5f\u80fd\u306a\u3069\u3092\u5b9f\u88c5\u3057\u305f\u3044\u5834\u5408\u306f\u3053\u308c\u3092\u4f7f\u3063\u3066\u5b9f\u88c5\u3059\u308b\u3068\u3088\u3044\u3002<\/p>\n

\u5b9f\u88c5<\/h2>\n

socket.io\u3092\u4f7f\u3046\u5834\u5408\u306f\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3068\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3067\u305d\u308c\u305e\u308c\u3084\u308a\u3068\u308a\u3092\u884c\u3046\u306e\u3067\u305d\u308c\u305e\u308c\u306e\u66f8\u304d\u65b9\u3092\u628a\u63e1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u521d\u671f\u5316<\/h3>\n

\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9<\/h4>\n

\u4ee5\u4e0b\u306e\u4f8b\u3067\u8a00\u3048\u3070\u3001\u30eb\u30fc\u30c8\u30d1\u30b9\u3068\u30b3\u30cd\u30af\u30c8\u3057\u307e\u3059\u3002socket.io\u3067\u306fio\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u3066\u901a\u4fe1\u7d4c\u8def\u3092\u958b\u304d\u307e\u3059\u3002<\/p>\n

const socket = io(\"http:\/\/\u30b5\u30fc\u30d0\u30fc\u306eIP:\u30dd\u30fc\u30c8\u756a\u53f7\");<\/pre>\n
\u901a\u5e38\u306ewebsocket API\u3068\u7570\u306a\u308asocket.io\u306fWebSocket\u4ee5\u5916\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u306e\u3067ws\u3067\u306f\u306a\u304f\u3001http\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/strong><\/span><\/p>\n
\u30d0\u30c3\u30af\u30a8\u30f3\u30c9<\/h4>\n
Node.js\u74b0\u5883\u3067\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306bExpress\u3092\u4f7f\u3046\u5834\u5408\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002\u3069\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u30bd\u30b1\u30c3\u30c8\u901a\u4fe1\u3092\u3059\u308b\u304bsocket.io\u306b\u4f1d\u3048\u307e\u3059\u3002<\/p>\n
const express = require(\"express\");\r\nconst app = express();\r\nconst server = require(\"http\").Server(app);\r\nconst io = require(\"socket.io\")(server);<\/pre>\n
\u30a4\u30d9\u30f3\u30c8\u9001\u4fe1<\/h3>\n
\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9<\/h4>\n
socket.emit(\"\u30a4\u30d9\u30f3\u30c8\u540d\", \u9001\u4fe1\u30d1\u30e9\u30e1\u30fc\u30bf1,\u9001\u4fe1\u30d1\u30e9\u30e1\u30fc\u30bf2);<\/pre>\n
\u30d0\u30c3\u30af\u30a8\u30f3\u30c9<\/h4>\n
\u540c\u3058\u30eb\u30fc\u30e0\u5185\u306e\u5168\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u9001\u4fe1\u3067\u304d\u307e\u3059\u3002\uff08\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\uff09<\/p>\n
socket.broadcast.emit(\"\u30a4\u30d9\u30f3\u30c8\u540d\", \u9001\u4fe1\u30d1\u30e9\u30e1\u30fc\u30bf);<\/pre>\n
\u30a4\u30d9\u30f3\u30c8\u53d7\u4fe1<\/h3>\n
\u3053\u308c\u3082\u57fa\u672c\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3082\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3082\u540c\u3058\u66f8\u304d\u65b9\u3067\u3059\u3002<\/p>\n
\u7b2c\u4e8c\u5f15\u6570\u3067\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
socket.on(\"\u30a4\u30d9\u30f3\u30c8\u540d\", (\u53d7\u4fe1\u30d1\u30e9\u30e1\u30fc\u30bf) => {\r\n  \u3084\u308a\u305f\u3044\u3053\u3068\u3002\r\n});<\/pre>\n
\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u5834\u5408<\/h4>\n
\u4e00\u65e6\u3001\u30b5\u30fc\u30d0\u30fc\u3067\u3064\u304b\u307e\u3048\u3066\u304b\u3089socket\u306e\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306e\u767b\u9332\u3092\u3057\u307e\u3059\u3002<\/p>\n
io.on(\"connection\", (socket) => {\r\n  socket.on(\"xxx\",()=>{})\r\n}<\/pre>\n
\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u307f\uff1a\u30eb\u30fc\u30e0\u306b\u65b0\u898f\u30e6\u30fc\u30b6\u30fc\u3092\u8ffd\u52a0<\/h3>\n
\u30eb\u30fc\u30e0\u306b\u65b0\u898f\u30e6\u30fc\u30b6\u30fc\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
socket.join(roomId);<\/pre>\n
\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u307f\uff1a\u30bd\u30b1\u30c3\u30c8\u901a\u4fe1\u3092\u5207\u65ad\u3059\u308b\u3002<\/h3>\n
socket.disconnect();<\/pre>\n
sticky-session\u3068\u306f\uff1f<\/h2>\n
socket.io\u306e\u30b5\u30fc\u30d0\u30fc\u3092cluster\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u30b9\u30b1\u30fc\u30eb\u30a2\u30a6\u30c8\u3057\u3088\u3046\u3068\u3057\u305f\u969b\u306b\u3001\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u78ba\u7acb\u6642\u306b\u5225\u306e\u30d7\u30ed\u30bb\u30b9\uff08\u30b5\u30fc\u30d0\u30fc\uff09\u304c\u5272\u308a\u632f\u3089\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3002\u3053\u308c\u3092\u89e3\u6c7a\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n
\u4ed5\u7d44\u307f<\/h3>\n
\u5185\u90e8\u3067cluster\u304c\u4f7f\u308f\u308c\u3066\u3044\u3066sticky.listen\u3068\u3044\u3046API\u3092\u547c\u3079\u3070\u8907\u6570\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u81ea\u52d5\u3067fork\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u4f7f\u3063\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306eCPU\u306e\u6570\u3060\u3051fork\u3057\u307e\u3059\u3002<\/p>\n
\u5b9f\u88c5\u4f8b<\/h3>\n
const cluster = require(\"cluster\");\r\nconst io = require(\"socket.io\")();\r\nconst sticky = require(\"sticky-session\");\r\nconst http = require(\"http\");\r\n\r\nconst server = http.createServer((req, res) => {\r\n  res.end(\"worker: \" + cluster.worker.id);\r\n});\r\n\r\nio.attach(server);\r\nisWorker = sticky.listen(server, 3000);\r\n\r\nconsole.log(isWorker);\r\n\r\nif (isWorker) {\r\n  io.on(\"connection\", (socket) => {\r\n    console.log(`worker: ${cluster.worker.id}, connected, id: ${socket.id}`);\r\n    \/\/ socket.io\u306e\u51e6\u7406\r\n  });\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"WebSocket\u3092\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u308bNode.js\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002 WebSocket\u3092\u76f4\u63a5\u6271\u3046\u306e\u3068\u306e\u9055\u3044 WebSocket\u3092\u5358\u4f53\u3067\u6271\u3063\u3066\u3082\u5b9f\u88c5\u306f\u53ef\u80fd\u3067\u3059\u3002Socket.IO\u3092\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8\u306f\u4ee5\u4e0b\u3067\u3059\u3002 \u4ed6\u306e\u901a\u4fe1\u3092\u30b5\u30dd […]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[],"_links":{"self":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/15842"}],"collection":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=15842"}],"version-history":[{"count":9,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/15842\/revisions"}],"predecessor-version":[{"id":20661,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/15842\/revisions\/20661"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15842"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15842"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}