{"id":3426,"date":"2012-10-18T20:18:19","date_gmt":"2012-10-18T11:18:19","guid":{"rendered":"http:\/\/vitalify.jp\/blog\/?p=3426"},"modified":"2012-11-13T10:51:24","modified_gmt":"2012-11-13T01:51:24","slug":"websocket%e3%81%a7%e3%83%81%e3%83%a3%e3%83%83%e3%83%88%e3%82%a2%e3%83%97%e3%83%aa%e3%82%92%e4%bd%9c%e3%82%8bwith-redisnode-js","status":"publish","type":"post","link":"https:\/\/vitalify.jp\/blog\/2012\/10\/websocket%e3%81%a7%e3%83%81%e3%83%a3%e3%83%83%e3%83%88%e3%82%a2%e3%83%97%e3%83%aa%e3%82%92%e4%bd%9c%e3%82%8bwith-redisnode-js.html","title":{"rendered":"WebSocket\u3067\u30c1\u30e3\u30c3\u30c8\u30a2\u30d7\u30ea\u3092\u4f5c\u308b with Redis&Node.js"},"content":{"rendered":"

\u3069\u3046\u3082\u3002\u55b6\u696d\u90e8\u306e\u4f0a\u85e4\u3067\u3059\u3002<\/p>\n

\u3082\u3068\u3082\u3068HTML5\u306e\u4ed5\u69d8\u306e\u4e00\u90e8\u3068\u3057\u3066\u7b56\u5b9a\u304c\u9032\u3081\u3089\u308c\u3066\u3044\u305fWebSocket\u306b\u3064\u3044\u3066\u52c9\u5f37\u3059\u308b\u305f\u3081\u3001Node.js\u3092\u5229\u7528\u3057\u3066\u7c21\u5358\u306a\u30c1\u30e3\u30c3\u30c8\u30a2\u30d7\u30ea\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u305f\u3002(\u76ee\u6307\u305b\u30d6\u30e9\u30a6\u30b6\u7248LINE\uff01)<\/p>\n

\u4eca\u56de\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u3057\u3066Redis\u3092\u63a1\u7528\u3057\u307e\u3057\u305f\u306e\u3067\u3001\u307e\u305a\u306fRedis\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3092\u4f7f\u3063\u305f\u7c21\u5358\u306a\u52d5\u4f5c\u78ba\u8a8d\u307e\u3067\u3092\u66f8\u304d\u307e\u3059\u3002<\/p>\n

\u307e\u305a\u3001Redis\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002
\nyum\u3067\u3082\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u3067\u304d\u307e\u3059\u304c\u3001\u6700\u65b0\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u305f\u3081\u3001\u30bd\u30fc\u30b9\u304b\u3089\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002
\n\u203b2012\u5e749\u6708\u9803<\/p>\n

# wget http:\/\/redis.googlecode.com\/files\/redis-2.4.16.tar.gz
\n# tar zxvf redis-2.4.16.tar.gz
\n# cd redis-2.4.16
\n# make
\n# make install<\/div>\n

\u3042\u3063\u3068\u3044\u3046\u9593\u3067\u3059\u3002
\nRedis\u306fANSI-C\u3067\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6642\u306b\u4f9d\u5b58\u30e9\u30a4\u30d6\u30e9\u30ea\u306a\u3069\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u4e0d\u8981\u3067\u3059\u3002
\n\u3088\u3063\u3066\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u306f\u4e0a\u8a18\u30b9\u30c6\u30c3\u30d7\u3067\u5b8c\u4e86\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u65e2\u77e5\u306e\u60c5\u5831\u3060\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u5ff5\u306e\u305f\u3081\u3002
\nRedis\u306f\u30a4\u30f3\u30e1\u30e2\u30ea\u30d9\u30fc\u30b9\u306eKVS<\/a>\u3067\u3059\u3002
\nKVS\u306fRDB(\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9)\u306eJOIN\u306e\u3088\u3046\u306b\u8907\u96d1\u3001\u4e14\u3064\u9ad8\u8ca0\u8377\u306aSQL\u306f\u767a\u884c\u305b\u305a\u3001\u9ad8\u901f\u5316\uff0f\u62e1\u5f35\u6027\u306b\u8da3\u3092\u304a\u3044\u305fNoSQL\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3068\u306a\u308a\u307e\u3059\u3002
\n\u3044\u308f\u3086\u308b\u5206\u6563\u578b\u30c7\u30fc\u30bf\u4fdd\u7ba1\u6280\u8853\u306e1\u3064\u3067\u3059\u3002
\n\u540c\u69d8\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u306fGoogle\u691c\u7d22\u3067\u63a1\u7528\u3055\u308c\u3066\u3044\u308bBigtable(\u30d3\u30c3\u30b0\u30c6\u30fc\u30d6\u30eb)\u3001Amazon\u3067\u63a1\u7528\u3055\u308c\u3066\u3044\u308bDynamo(\u30c0\u30a4\u30ca\u30e2)\u3001\u6709\u540d\u3069\u3053\u308d\u3060\u3068memcached\u306a\u3069\u69d8\u3005\u306a\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002
\n\u307e\u305f\u3001RDB\u306e\u3088\u3046\u306a\u8907\u96d1\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u306a\u3044\u305f\u3081\u3001\u30b5\u30fc\u30d3\u30b9(mixi\u3001Amazon\u306a\u3069)\u3084\u5927\u5b66\u306e\u7814\u7a76\u3067\u72ec\u81ea\u306eKVS\u304c\u958b\u767a\uff0f\u63a1\u7528\u3055\u308c\u3066\u3044\u308b\u30b1\u30fc\u30b9\u3082\u591a\u3005\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u305d\u3093\u306aKVS\u3067\u3059\u304c\u3001KVS\u3054\u3068\u306e\u7279\u5fb4\u306f\uff1f\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u4eca\u56de\u9078\u5b9a\u3057\u305fRedis\u306e\u7279\u5fb4\u3092\u3044\u304f\u3064\u304b\u8a18\u8f09\u3057\u307e\u3059\u3002
\n1. \u6c38\u7d9a\u5316\u6a5f\u69cb
\n\u901a\u5e38\u30e1\u30e2\u30ea\u4e0a\u3067\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u305f\u3081\u3001memcached\u306e\u3088\u3046\u306b\u969c\u5bb3\u6642\u3001\u518d\u8d77\u52d5\u6642\u306b\u306f\u30c7\u30fc\u30bf\u3092\u55aa\u5931\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u304c\u3001Redis\u306f\u5b9a\u671f\u7684\u306b\u30c7\u30fc\u30bf\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u30c0\u30f3\u30d7\u30d5\u30a1\u30a4\u30eb\u306b\u3057\u3001\u518d\u8d77\u52d5\u6642\u306b\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30e1\u30e2\u30ea\u306b\u8aad\u307f\u8fbc\u3080\u3053\u3068\u3067\u30c7\u30fc\u30bf\u3092\u5fa9\u5143\u3059\u308b\u4ed5\u7d44\u307f\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002
\n\u5b9a\u671f\u7684\u3068\u3044\u3046\u4e8b\u3067\u4e0d\u5b89\u3092\u62b1\u304f\u65b9\u3082\u591a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001”Append Only File”\u3068\u3044\u3046\u4ed5\u7d44\u307f\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u5168\u3066\u306e\u66f4\u65b0\u30b3\u30de\u30f3\u30c9\u3092\u7ba1\u7406\u3057\u3066\u304a\u304d\u3001\u518d\u8d77\u52d5\u6642\u306b\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3092\u8aad\u307f\u8fbc\u3080\u3068\u3044\u3046\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3067\u3042\u308c\u3070\u30c7\u30fc\u30bf\u306e\u55aa\u5931\u306f\u6700\u5c0f\u9650\u306b\u98df\u3044\u6b62\u3081\u308c\u307e\u3059\u3002
\n\u6ce8\u610f\u3059\u3079\u304d\u306a\u306e\u306f\u3001\u6c38\u7d9a\u5316\u6a5f\u69cb\u3068\u3044\u3063\u3066\u3082\u3042\u304f\u307e\u3067\u3082\u30a4\u30f3\u30e1\u30e2\u30ea\u30d9\u30fc\u30b9\u306e\u305f\u3081\u3001\u6700\u5927\u5bb9\u91cf\u306fRAM\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002
\nRAM\u5bb9\u91cf\u3088\u308a\u591a\u304f\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3057\u305f\u3044\u5834\u5408\u306f\u30b9\u30ef\u30c3\u30d7\u30d5\u30a1\u30a4\u30eb\u3092\u5229\u7528\u3057\u3001\u4e00\u90e8\u306e\u30c7\u30fc\u30bf\u3092HDD\u306b\u9000\u907f\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002(RedisVM)<\/p>\n

2. \u8c4a\u5bcc\u306a\u30c7\u30fc\u30bf\u578b\u3068\u30b3\u30de\u30f3\u30c9
\nRedis\u306f\u30cf\u30c3\u30b7\u30e5(HASH)\u4ee5\u5916\u306e\u578b\u3082\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u30ea\u30b9\u30c8\u578b(LIST)\u3001\u96c6\u5408\u578b(SET)\u3001\u9806\u5e8f\u4ed8\u304d\u96c6\u5408\u578b(SORTED SET)\u306a\u3069\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u304c\u6271\u3048\u307e\u3059\u3002
\n\u307e\u305f\u3001\u30b3\u30de\u30f3\u30c9\u304c\u975e\u5e38\u306b\u8c4a\u5bcc\u3001\u4e14\u3064\u30a2\u30c8\u30df\u30c3\u30af\u306b\u64cd\u4f5c\u304c\u53ef\u80fd\u306a\u305f\u3081\u3001CAS\u64cd\u4f5c\u306a\u3069\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u8003\u616e\u3057\u305f\u51e6\u7406\u304c\u4e0d\u8981\u3067\u3059\u3002
\n\u305f\u3060\u3057\u6ce8\u610f\u3059\u3079\u304d\u70b9\u3068\u3057\u3066\u3001\u30a2\u30c8\u30df\u30c3\u30af\u5b9f\u884c(MULTI\uff0fEXEC)\u306f\u4e00\u822c\u7684\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3068\u3057\u3066\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u8a33\u3067\u306f\u306a\u3044\u305f\u3081\u3001\u5b9f\u884c\u4e2d\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306bROOLLBACK\u306f\u3055\u308c\u307e\u305b\u3093\u3002\u6b8b\u308a\u306e\u51e6\u7406\u3082\u5b9f\u884c\u3055\u308c\u307e\u3059\u2026\u3053\u3053\u306f\u8981\u6ce8\u610f\u3067\u3059\uff01
\n(\u5024\u3092\u8a2d\u5b9a\uff06\u53d6\u5f97\u304f\u3089\u3044\u306e\u30a2\u30c8\u30df\u30c3\u30af\u64cd\u4f5c\u3067\u3042\u308c\u3070”GETSET”\u3068\u3044\u30461\u3064\u306e\u30b3\u30de\u30f3\u30c9\u3067\u5bfe\u5fdc\u53ef\u80fd)
\nKVS\u306e\u5229\u7528\u7528\u9014\u3068\u3057\u3066\u306f\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3088\u308a\u3082\u30b9\u30d4\u30fc\u30c9\u91cd\u8996\u306e\u5229\u7528\u7528\u9014\u304c\u591a\u3044\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u8003\u616e\u3059\u308b\u6a5f\u4f1a\u306f\u5c11\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u30a2\u30c8\u30df\u30c3\u30af\u306b\u64cd\u4f5c\u304c\u53ef\u80fd\u306a\u4e8b\u3067\u30c7\u30fc\u30bf\u7ba1\u7406\u65b9\u6cd5\u306e\u5e45\u304c\u5e83\u304c\u308a\u307e\u3059\u3002<\/p>\n

3. \u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3
\nRedis\u306f\u30de\u30b9\u30bf\u30fc\uff0f\u30b9\u30ec\u30fc\u30d6\u306e\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u8a2d\u5b9a\u304c\u3067\u304d\u3001\u30b9\u30b1\u30fc\u30eb\u30a2\u30a6\u30c8\u304c\u975e\u5e38\u306b\u5bb9\u6613\u3067\u3059\u3002
\n\u8a2d\u5b9a\u306f\u7c21\u5358\u3067\u3001\u30b9\u30ec\u30fc\u30d6\u5074\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306b\u4ee5\u4e0b\u9805\u76ee\u3092\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n

# cp redis.conf redis_slave.conf
\n# vi redis_slave.conf
\n\u2026
\n# port 7000 <= \u30b9\u30ec\u30fc\u30d6\u306f\u30dd\u30fc\u30c87000\u756a\u3067\u7a3c\u50cd
\n# slaveof localhost 6379 <= slaveof\u306b\u30de\u30b9\u30bf\u30fc\u306e\u30db\u30b9\u30c8\u540d\u3068\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u6307\u5b9a
\n\u2026
\n# redis-server redis_slave.conf<\/div>\n

\u8a2d\u5b9a\u3067\u304d\u3066\u3044\u308b\u304b\u5426\u304b\u306e\u78ba\u8a8d\u306finfo\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u304b\u3001\u5b9f\u969b\u306b\u5024\u3092\u8a2d\u5b9a\u3057\u3066\u78ba\u8a8d\u3057\u307e\u3059\u3002
\ninfo\u30b3\u30de\u30f3\u30c9\u306e\u5834\u5408\u3001\u5b9f\u884c\u5f8c\u306b\u300crole\u300d\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

# redis-cli -p 6379 -h localhost <= \u30de\u30b9\u30bf\u30fc\u306b\u63a5\u7d9a
\nredis 127.0.0.1:6379>info
\n\u2026
\nrole:master
\n\u2026<\/div>\n

\u5f79\u5272\u304c\u30de\u30b9\u30bf\u30fc\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u6b21\u306b\u30b9\u30ec\u30fc\u30d6\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002<\/p>\n

# redis-cli -p 7000 -h localhost <= \u30b9\u30ec\u30fc\u30d6\u306b\u63a5\u7d9a
\nredis 127.0.0.1:7000>info
\n\u2026
\nrole:slave
\n\u2026<\/div>\n

\u5f79\u5272\u304c\u30b9\u30ec\u30fc\u30d6\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u7121\u4e8b\u8a2d\u5b9a\u3067\u304d\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n

\u6700\u5f8c\u306b\u3001\u5b9f\u969b\u306b\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u304d\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u3001\u30de\u30b9\u30bf\u30fc\u306b\u30c7\u30fc\u30bf\u3092\u767b\u9332\u3057\u3001\u305d\u306e\u5f8c\u30b9\u30ec\u30fc\u30d6\u3067\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

# redis-cli -p 6379 -h localhost
\nredis localhost:6379> set test “test-data”
\nOK
\nredis localhost:6379> get test
\n“test-data”
\nredis localhost:6379>exit# redis-cli -p 7000 -h localhost
\nredis localhost:7000> get test
\n“test-data”
\nredis localhost:7000><\/p>\n<\/div>\n

\u554f\u984c\u306a\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n

4. Publish\/Subscribe\u578b(Pub\/Sub\u578b)\u306e\u901a\u4fe1\u3092\u30b5\u30dd\u30fc\u30c8
\n\u4eca\u56deDB\u306bRedis\u3092\u63a1\u7528\u3057\u305f\u306e\u306f\u3053\u306e\u300cPub\/Sub\u578b\u901a\u4fe1\u300d\u3092Redis\u304c\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002
\n\u9001\u4fe1\u5074\u3068\u53d7\u4fe1\u5074\u304c\u30c8\u30d4\u30c3\u30af\u3092\u4ecb\u3057\u3066”\u591a\u5bfe\u591a”\u3067\u901a\u4fe1\u3067\u304d\u308b\u30e2\u30c7\u30eb\u306e\u305f\u3081\u3001Redis\u3092\u4e2d\u7d99\u30b5\u30fc\u30d0\u3068\u3057\u3066WebSocket\u30b5\u30fc\u30d0\u3092\u5197\u9577\u5316\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002
\nNode.js\u306b\u3064\u3044\u3066\u8aac\u660e\u3067\u304d\u3066\u3044\u306a\u3044\u305f\u3081\u9806\u756a\u304c\u524d\u5f8c\u3057\u307e\u3059\u304c\u3001Node\u3092\u5229\u7528\u3057\u3066Pub\/Sub\u901a\u4fe1\u306e\u52d5\u304d\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

node\u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u3092\u8d77\u52d5\u3057\u3001\u4ee5\u4e0b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n

# node
\n> var sys = require(“sys”);
\n> var redis = require(“redis”);> var subscriber = redis.createClient(6379, “localhost”);
\n> subscriber.subscribe(“I am subscriber”);
\n> subscriber.on(“message”, function(channel, message){
\n> sys.puts(channel + “\u306b\u300c” + message + “\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u9001\u4fe1\u3055\u308c\u305f\u3088\u3046\u3067\u3059\u3002”);
\n> });<\/p>\n

> var publisher = redis.createClient(6379, “localhost”); \/\/publisher\u306f\u6562\u3048\u3066\u4f5c\u308b\u5fc5\u8981\u306a\u3044\u3067\u3059\u3002var subscriber\u3092\u4f7f\u3063\u3066\u554f\u984c\u7121\u3044\u3067\u3059\u304c\u3001\u5206\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u305f\u3081\uff01
\n> publisher.publish(“I am subscriber”, “I am publisher”);<\/p>\n<\/div>\n

6379\u756a\u30dd\u30fc\u30c8\u306eredis\u306e\u300cI am subscriber\u300d\u3068\u3044\u3046\u30c8\u30d4\u30c3\u30af\u306b\u5bfe\u3057\u3066\u914d\u4fe1\u3092\u7533\u3057\u8fbc\u307f(subscribe)\u3001\u914d\u4fe1\u304c\u3042\u308c\u3070\u30b3\u30f3\u30bd\u30fc\u30eb\u4e0a\u306b\u53d7\u4fe1\u5185\u5bb9\u3092\u51fa\u529b\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002
\n\u305d\u306e\u5f8c\u30016379\u756a\u30dd\u30fc\u30c8\u306eredis\u306e\u300cI am subscriber\u300d\u3068\u3044\u3046\u30c8\u30d4\u30c3\u30af\u306b\u5bfe\u3057\u3066”I am publisher”\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u914d\u4fe1\u3057\u307e\u3059\u3002<\/p>\n

\u4e0a\u8a18\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n

> I am subscriber\u306b\u300cI am publisher\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u9001\u4fe1\u3055\u308c\u305f\u3088\u3046\u3067\u3059\u3002<\/div>\n

Pub\/Sub\u901a\u4fe1\u306e\u30a4\u30e1\u30fc\u30b8\u6e67\u304d\u307e\u3057\u305f\u3067\u3057\u3087\u3046\u304b\uff1f
\n\u5206\u304b\u308a\u8f9b\u3044\u3067\u3059\u306d\u2026\u306a\u3093\u3068\u3044\u3046\u304b\u2026\u81ea\u4f5c\u81ea\u6f14\u3063\u3066\u306a\u611f\u3058\u3067\u3059\u306d\u3002<\/p>\n

\u3068\u3044\u3046\u4e8b\u3067\u3001\u4e0a\u8a18\u30b3\u30f3\u30bd\u30fc\u30eb\u306f\u305d\u306e\u307e\u307e\u306b\u3057\u3066\u304a\u304d\u3001\u5225\u30b3\u30f3\u30bd\u30fc\u30eb\u3092\u8d77\u52d5\u3057\u3066\u4ee5\u4e0b\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

# redis-cli -p 6379 -h localhost
\nredis localhost:6379> publish “I am subscriber” “I am publisher”<\/div>\n

\u3059\u308b\u3068node\u30b3\u30f3\u30bd\u30fc\u30eb\u4e0a\u306b\u5148\u307b\u3069\u3068\u540c\u69d8\u306b\u4ee5\u4e0b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n

> I am subscriber\u306b\u300cI am publisher\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u9001\u4fe1\u3055\u308c\u305f\u3088\u3046\u3067\u3059\u3002<\/div>\n

\u3053\u308c\u3053\u305d\u304cPub\/Sub\u578b\u306e\u914d\u4fe1\u30e2\u30c7\u30eb\u3067\u3059\u3002
\nnode\u5074\u3067\u306f\u30c8\u30d4\u30c3\u30af\u300cI am subscriber\u300d\u3092\u8cfc\u8aad(subscribe)\u72b6\u614b\u306e\u305f\u3081\u3001
\n\u5225\u30a4\u30d9\u30f3\u30c8\u3067\u300cI am subscriber\u300d\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u767b\u9332\u3055\u308c\u305f\u3068\u540c\u6642\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u304a\u77e5\u3089\u305b\u3057\u3066\u3082\u3089\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u4eca\u56de\u306f\u53d7\u4fe1\uff0f\u8cfc\u8aad\u8005(Subscriber)\u3001\u767a\u884c\uff0f\u516c\u8868\u8005(Publisher)\u5171\u306b\u5358\u4e00\u3067\u78ba\u8a8d\u3057\u307e\u3057\u305f\u304c\u3001\u524d\u8ff0\u3057\u305f\u3088\u3046\u306b\u591a\u5bfe\u591a\u306e\u901a\u4fe1\u30e2\u30c7\u30eb\u306e\u305f\u3081\u3001\u8907\u6570\u306eSubscriber\u3001\u307e\u305f\u306fPublisher\u3067\u3082\u4e0a\u8a18\u901a\u4fe1\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002
\nWebSocket\u30b5\u30fc\u30d0\u30fc\u3092\u5197\u9577\u5316\u3057\u305f\u969b\u306b\u5404\u3005\u306e\u30b5\u30fc\u30d0\u30fc\u3067subscribe\u3057\u3066\u304a\u304d\u3001\u9023\u643a\u3057\u305f\u3044\u30c7\u30fc\u30bf\u3092publish\u3059\u308c\u3070\u30b5\u30fc\u30d0\u30fc\u9593\u9023\u7cfb\u306f\u3053\u306e\u4e2d\u7d99\u30b5\u30fc\u30d0\u30fc\u306b\u59d4\u306d\u3089\u308c\u307e\u3059\u3002
\n\u5358\u4e00\u3067\u3042\u308c\u3070WebSocket\u3067\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3059\u308c\u3070\u3044\u3044\u3060\u3051\u3067\u3059\u304c\u3001\u5197\u9577\u5316\u3092\u8003\u3048\u308b\u3068Pub\/Sub\u578b\u3092\u5229\u7528\u3067\u304d\u308bredis\u306f\u975e\u5e38\u306b\u4fbf\u5229\u3067\u3059\u3002
\n\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306fWebSocket\u3067\u7ba1\u7406\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d0\u30fc\u9593\u306fPub\/Sub\u578b\u3058\u3083\u306a\u304f\u3066Trigger\u3067\u3082\u3044\u3044\u3093\u3058\u3083\u306a\u3044\uff1f\u3068\u3044\u3046\u65b9\u3082\u5c45\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u30b5\u30fc\u30d3\u30b9\u72ec\u81ea\u306e\u7279\u6b8a\u306a\u901a\u4fe1\u5236\u5fa1\u304c\u5fc5\u8981\u3067\u306a\u3044\u9650\u308a\u306fPub\/Sub\u578b\u901a\u4fe1\u30e2\u30c7\u30eb<\/a>\u306e\u65b9\u304c\u4fbf\u5229\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

Redis\u306e\u6e96\u5099\u306f\u4e00\u65e6\u3053\u3053\u307e\u3067\u3068\u3057\u3001\u6b21\u306fNode\u306e\u6e96\u5099\u3092\u9032\u3081\u307e\u3059\u3002
\n\u5c11\u3057\u9577\u304f\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u305f\u3081\u3001Node\u3068\u5404\u7a2e\u30e9\u30a4\u30d6\u30e9\u30ea(Socket.IO\u3084Express\u306a\u3069)\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u3064\u3044\u3066\u306f
\n\u6b21\u56de\u30d6\u30ed\u30b0<\/a>\u3067\u6295\u7a3f\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002<\/p>\n

\n
<\/div><\/fb:like><\/div>\n
<\/g:plusone><\/div>\n
\"\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3092\u306f\u3066\u306a\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306b\u8ffd\u52a0\"<\/a>