{"id":2173,"date":"2026-08-31T08:49:20","date_gmt":"2026-08-31T08:49:20","guid":{"rendered":"https:\/\/wayhope.kro.kr\/?p=2173"},"modified":"2026-09-05T16:00:16","modified_gmt":"2026-09-05T16:00:16","slug":"project-2103-%ec%84%9c%eb%b2%84-%ea%b0%9c%eb%b0%9c-%ed%9a%8c%ea%b3%a0","status":"publish","type":"post","link":"https:\/\/wayhope.kro.kr\/?p=2173","title":{"rendered":"\ud134\uc81c \uc628\ub77c\uc778 \uac8c\uc784 \uc11c\ubc84 \uac1c\ubc1c \ud68c\uace0 #Project 2103"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\ud504\ub85c\uc81d\ud2b8 \uc18c\uac1c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ubaa8\ubc14\uc77c\uc5d0\uc11c \ud50c\ub808\uc774\ud558\ub294 \uc2e4\uc2dc\uac04 1:1 \ub300\uc804 \uac8c\uc784\uc758 \uc11c\ubc84\ub97c \uac1c\ubc1c\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac8c\uc784\uc5d0\ub294 \ud2f0\uc5b4 \uae30\ubc18 \ub9e4\uce6d, \uc2e4\uc2dc\uac04 \ub300\uc804, \uae30\uc9c0 \ubc30\uce58, \ubd80\ud488\uacfc \ucf54\uc5b4 \uc218\uc9d1 \ubc0f \uac15\ud654, \uc0c1\uc790 \uc624\ud508 \ub4f1\uc758 \uae30\ub2a5\uc774 \uc788\uc5c8\ub2e4. \uc11c\ubc84\uc5d0\uc11c\ub294 \uc720\uc800 \uc815\ubcf4\ub098 \uc778\ubca4\ud1a0\ub9ac\ucc98\ub7fc DB\ub97c \uc8fc\ub85c \uc0ac\uc6a9\ud558\ub294 \uae30\ub2a5\uacfc, \uac8c\uc784 \uc911 \uacc4\uc18d \ub370\uc774\ud130\ub97c \uc8fc\uace0\ubc1b\uc544\uc57c \ud558\ub294 \uae30\ub2a5\uc744 \ub098\ub220\uc11c \uad6c\ud604\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Node.js\ub97c \uc0ac\uc6a9\ud588\uace0 Socket.io \uac19\uc740 \uace0\uc218\uc900 \uc18c\ucf13 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub294 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uc558\ub2e4. <code>net<\/code> \ubaa8\ub4c8\ub85c TCP \uc11c\ubc84\ub97c \uc9c1\uc811 \ub9cc\ub4e4\uc5c8\uace0, \ud328\ud0b7 \ucc98\ub9ac\ubd80\ud130 \ub9e4\uce6d, \uc778\uac8c\uc784 \ub8f8, DB \uc5f0\ub3d9, \uc554\ud638\ud654, \uc2a4\ucf00\uc904\ub7ec\uae4c\uc9c0 \ud544\uc694\ud55c \uae30\ub2a5\uc744 \ud558\ub098\uc529 \ubd99\uc5ec\uac14\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucc98\uc74c\ubd80\ud130 \uc9c0\uae08 \uc0dd\uac01\ud558\ub294 \ud615\ud0dc\ub85c \uc124\uacc4\ud55c \uac83\uc740 \uc544\ub2c8\ub2e4. \uac1c\ubc1c\ud558\uba74\uc11c \ud544\uc694\ud55c \uae30\ub2a5\uc744 \ucd94\uac00\ud558\ub2e4 \ubcf4\ub2c8 \uad6c\uc870\uc801\uc778 \ubb38\uc81c\uac00 \ud558\ub098\uc529 \ubcf4\uc600\uace0, \uadf8\uac78 \uace0\uce58\ub294 \uacfc\uc815\uc5d0\uc11c \uc11c\ubc84 \uad6c\uc870\uc5d0 \ub300\ud574 \ub9ce\uc774 \ubc30\uc6e0\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc11c\ubc84 \uad6c\uc870<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uccb4\uc801\uc73c\ub85c\ub294 HTTP API\uc640 Socket \ud1b5\uc2e0\uc744 \ub098\ub234\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"947\" height=\"567\" src=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-157.png\" alt=\"\" class=\"wp-image-2334\" srcset=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-157.png 947w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-157-300x180.png 300w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-157-767x459.png 767w\" sizes=\"auto, (max-width: 947px) 100vw, 947px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"330\" src=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-156-1024x330.png\" alt=\"\" class=\"wp-image-2258\" srcset=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-156-1024x330.png 1024w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-156-300x97.png 300w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-156-767x247.png 767w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-156.png 1195w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">HTTP API\uc5d0\uc11c\ub294 \ud504\ub85c\ud544, \uc0c1\uc810, \uae30\uc9c0 \ubc30\uce58, \uc544\uc774\ud15c, \uc0c1\uc790 \uac19\uc740 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub85c\ube44 \uc11c\ubc84\uc5d0\uc11c\ub294 \uc18c\ucf13 \uc5f0\uacb0\uc744 \uc720\uc9c0\ud558\uba74\uc11c \ub9e4\uce6d\uc744 \ucc98\ub9ac\ud588\ub2e4. \uc720\uc800\uc758 \ud2b8\ub85c\ud53c\ub97c \uae30\uc900\uc73c\ub85c \ud2f0\uc5b4\ub97c \uc815\ud558\uace0, \uac19\uc740 \ud2f0\uc5b4\uc5d0\uc11c \uae30\ub2e4\ub9ac\ub294 \uc0ac\ub78c\uc774 \uc788\uc73c\uba74 \ubc14\ub85c \ub9e4\uce6d\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc778\uac8c\uc784 \uc11c\ubc84\ub294 \uc2e4\uc81c \ub300\uc804 \uc911 \ubc1c\uc0dd\ud558\ub294 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud588\ub2e4. \uc774 \ubd80\ubd84\uc740 <code>worker_threads<\/code>\ub97c \uc0ac\uc6a9\ud574 \uc5ec\ub7ec \uc6cc\ucee4\ub85c \ub098\ub234\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Master Server\ub294 \uac8c\uc784 \ud50c\ub808\uc774\uc640 \uc9c1\uc811\uc801\uc778 \uad00\uacc4\uac00 \uc5c6\ub294 \uc791\uc5c5\uc744 \ub9e1\uacbc\ub2e4. \ub7ad\ud0b9 \uc9d1\uacc4\ub098 \uc2dc\uac04\uc5d0 \ub530\ub77c \ucc98\ub9ac\ud574\uc57c \ud558\ub294 \uc0c1\uc790 \uc2ac\ub86f, \ud478\uc2dc \ud0c0\uc774\uba38 \uac19\uc740 \uae30\ub2a5\uc744 \uc774\ucabd\uc5d0\uc11c \ucc98\ub9ac\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac1c\ubc1c \uc911\uc5d0\ub294 \uad00\ub9ac\uc790\uc6a9 CLI\ub3c4 \ub9cc\ub4e4\uc5c8\ub2e4. DB\ub97c \uc9c1\uc811 \uc5f4\uc5b4\uc11c \uac12\uc744 \ubc14\uafb8\ub294 \uac83\ubcf4\ub2e4 \ud130\ubbf8\ub110\uc5d0\uc11c \uba85\ub839\uc5b4 \uba87 \uac1c \uce58\ub294 \uac8c \ud6e8\uc52c \ud3b8\ud588\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Raw TCP Socket\uc744 \uc9c1\uc811 \uad6c\ud604<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubc88 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uac00\uc7a5 \ub9ce\uc774 \ubd80\ub52a\ud78c \ubd80\ubd84 \uc911 \ud558\ub098\uac00 TCP \ud1b5\uc2e0\uc774\uc5c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucc98\uc74c\uc5d0\ub294 \ub370\uc774\ud130\ub97c \ubcf4\ub0b4\uba74 \uc11c\ubc84\uc5d0\uc11c\ub3c4 \uadf8\ub300\ub85c \ud558\ub098\uc758 \ub370\uc774\ud130\ub85c \ubc1b\uc744 \uac83\uc774\ub77c\uace0 \uc0dd\uac01\ud558\uae30 \uc27d\ub2e4. \uc2e4\uc81c TCP\ub294 \uadf8\ub807\uac8c \ub3d9\uc791\ud558\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0\uc11c \ud328\ud0b7 \ub450 \uac1c\ub97c \uc5f0\uc18d\uc73c\ub85c \ubcf4\ub0b4\uba74 \uc11c\ubc84\uc5d0\uc11c \ub450 \ud328\ud0b7\uc774 \ubd99\uc5b4\uc11c \ub4e4\uc5b4\uc62c \uc218\ub3c4 \uc788\uace0, \ud558\ub098\uc758 \ud328\ud0b7\uc774 \uc5ec\ub7ec \ubc88 \ub098\ub220\uc838\uc11c \ub4e4\uc5b4\uc62c \uc218\ub3c4 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub798\uc11c \uc11c\ubc84\uc5d0\uc11c \ud328\ud0b7\uc758 \uc2dc\uc791\uacfc \ub05d\uc744 \uc9c1\uc811 \ud310\ub2e8\ud574\uc57c \ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2f9\uc2dc\uc5d0\ub294 \uad6c\ud604\ud558\uae30 \uac04\ub2e8\ud55c \ubb38\uc790\uc5f4 \ud504\ub85c\ud1a0\ucf5c\uc744 \ub9cc\ub4e4\uc5c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>TOKEN#PACKET_TYPE#DATA~\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><code>~<\/code>\uac00 \ud328\ud0b7\uc758 \ub05d\uc774\uace0 <code>#<\/code>\uc744 \ud544\ub4dc \uad6c\ubd84\uc790\ub85c \uc0ac\uc6a9\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc218\uc2e0 \ub370\uc774\ud130\ub294 \ubcc4\ub3c4\uc758 \ubc84\ud37c\uc5d0 \uacc4\uc18d \ubd99\uc5ec\ub193\uace0 \uc644\uc131\ub41c \ud328\ud0b7\ub9cc \uaebc\ub0b4 \ucc98\ub9ac\ud588\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>let receiveDataPacket = \"\";\n\nclient.on(\"data\", (msg) =&gt; {\n    if (!msg) {\n        return;\n    }\n\n    receiveDataPacket += msg;\n\n    if (!receiveDataPacket.includes(\"~\")) {\n        return;\n    }\n\n    const packets = receiveDataPacket.split(\"~\");\n\n    for (let i = 0; i &lt; packets.length; i++) {\n        if (i === packets.length - 1) {\n            receiveDataPacket = packets&#91;i];\n            continue;\n        }\n\n        const data = decryptPacket(packets&#91;i]);\n\n        if (!data) {\n            continue;\n        }\n\n        handlePacket(data);\n    }\n});\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uac78 \uc9c1\uc811 \ub9cc\ub4e4\uace0 \ub098\uc11c\uc57c TCP\uc5d0\uc11c \ub9d0\ud558\ub294 Packet\uc774 \uc2e4\uc81c TCP Packet\uacfc\ub294 \ub2e4\ub978 \uac1c\ub150\uc774\ub77c\ub294 \uac78 \uc81c\ub300\ub85c \uc774\ud574\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2f9\uc2dc\uc5d0\ub294 \uad6c\ubd84\uc790\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\uc2dd\uc774 \uac00\uc7a5 \ube60\ub974\uac8c \uad6c\ud604\ud560 \uc218 \uc788\uc5b4\uc11c \uc774\ub807\uac8c \ub9cc\ub4e4\uc5c8\ub2e4. \uc9c0\uae08 \ub2e4\uc2dc \ub9cc\ub4e0\ub2e4\uba74 \ud328\ud0b7 \uc55e\ubd80\ubd84\uc5d0 \uae38\uc774\ub97c \ub123\ub294 Length Prefix \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud560 \uac00\ub2a5\uc131\uc774 \ub192\ub2e4. \ub370\uc774\ud130 \uc548\uc5d0 \uad6c\ubd84\uc790\uac00 \ub4e4\uc5b4\uac00\ub294 \ubb38\uc81c\ub3c4 \uc5c6\uace0, \ubb38\uc790\uc5f4 <code>split()<\/code>\uc5d0 \uc758\uc874\ud560 \ud544\uc694\ub3c4 \uc5c6\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Worker Threads\ub85c \uc778\uac8c\uc784 \uc11c\ubc84 \ubd84\uc0b0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc778\uac8c\uc784 \uc11c\ubc84\uc5d0\uc11c\ub294 \uc720\uc800\ub4e4\uc774 \uacc4\uc18d Tick \ub370\uc774\ud130\ub97c \uc8fc\uace0\ubc1b\ub294\ub2e4. \uc774\uac78 \ud55c \uacf3\uc5d0\uc11c \uc804\ubd80 \ucc98\ub9ac\ud558\ub294 \uac83\ubcf4\ub2e4\ub294 \uc5ec\ub7ec \uc6cc\ucee4\ub85c \ub098\ub204\ub294 \uac8c \ub0ab\ub2e4\uace0 \ud310\ub2e8\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Node.js\uc758 <code>worker_threads<\/code>\ub97c \uc0ac\uc6a9\ud574\uc11c 4\uac1c\uc758 \uc778\uac8c\uc784 \uc11c\ubc84\ub97c \ub744\uc6e0\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>if (isMainThread) {\n    for (let i = 0; i &lt; 4; i++) {\n        new Worker(\".\/InGameSocketServer.js\", {\n            workerData: {\n                port: 20000 + i\n            }\n        });\n    }\n\n    return;\n}\n\nreceiveHandler.setReceiveDictionary();\nstartSocketServer(workerData.port);\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uac01 \uc6cc\ucee4\ub294 \ub2e4\ub978 \ud3ec\ud2b8\ub97c \uc0ac\uc6a9\ud588\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Worker 0 -&gt; 20000\nWorker 1 -&gt; 20001\nWorker 2 -&gt; 20002\nWorker 3 -&gt; 20003\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9e4\uce6d\uc774 \ub05d\ub098\uba74 \ub8f8\uc744 \uc21c\uc11c\ub300\ub85c \uc6cc\ucee4\uc5d0 \ubc30\uc815\ud588\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Room 1 -&gt; Worker 0\nRoom 2 -&gt; Worker 1\nRoom 3 -&gt; Worker 2\nRoom 4 -&gt; Worker 3\nRoom 5 -&gt; Worker 0\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ucc98\uc74c\uc5d0\ub294 \uc774 \uc815\ub3c4\uba74 \uc11c\ubc84 \ubd80\ud558\ub97c \ubd84\uc0b0\ud560 \uc218 \uc788\ub2e4\uace0 \uc0dd\uac01\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub7f0\ub370 \uc6cc\ucee4\ub97c \ub098\ub204\uace0 \ub098\ub2c8 \ub2e4\ub978 \ubb38\uc81c\uac00 \ubcf4\uc600\ub2e4. \uc6cc\ucee4\ub07c\ub9ac\ub294 \uba54\ubaa8\ub9ac\ub97c \uacf5\uc720\ud558\uc9c0 \uc54a\ub294\ub2e4. \ud55c \uc6cc\ucee4\uc758 <code>roomDictionary<\/code>\uc5d0 \uc788\ub294 \ub370\uc774\ud130\ub97c \ub2e4\ub978 \uc6cc\ucee4\uac00 \ubc14\ub85c \uac00\uc838\uc62c \uc218 \uc788\ub294 \uad6c\uc870\uac00 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacb0\uad6d \uc11c\ubc84\ub97c \uc5ec\ub7ec \ub300\ub85c \ub298\ub9ac\ub294 \ubb38\uc81c\uae4c\uc9c0 \uc0dd\uac01\ud558\uba74 \uc6cc\ucee4\ub97c \ub098\ub204\ub294 \uac83\ub9cc\uc73c\ub85c\ub294 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc558\ub2e4. \uc774\ub54c\ubd80\ud130 \uc11c\ubc84 \ub0b4\ubd80 \uba54\ubaa8\ub9ac\uc5d0 \uc0c1\ud0dc\ub97c \uc800\uc7a5\ud558\ub294 \ubc29\uc2dd \uc790\uccb4\ub97c \ub2e4\uc2dc \ubcf4\uac8c \ub410\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud2f0\uc5b4 \uae30\ubc18 Matchmaking<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9e4\uce6d\uc740 \ud2b8\ub85c\ud53c\ub97c \uae30\uc900\uc73c\ub85c \ud2f0\uc5b4\ub97c \uacc4\uc0b0\ud55c \ub4a4 \uac19\uc740 \ud2f0\uc5b4\uc5d0\uc11c \ub300\uae30 \uc911\uc778 \uc720\uc800\ub97c \ucc3e\ub294 \ubc29\uc2dd\uc73c\ub85c \ub9cc\ub4e4\uc5c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\ub9e4\uce6d \uc694\uccad\n-&gt; \ud2b8\ub85c\ud53c \uc870\ud68c\n-&gt; \ud2f0\uc5b4 \ud655\uc778\n-&gt; \uac19\uc740 \ud2f0\uc5b4 \ub300\uae30 \uc720\uc800 \ud655\uc778\n-&gt; \uc788\uc73c\uba74 \ubc14\ub85c \ub9e4\uce6d\n-&gt; \uc5c6\uc73c\uba74 \ub300\uae30\uc5f4 \ub4f1\ub85d\n-&gt; \uc77c\uc815 \uc2dc\uac04 \ub300\uae30\n-&gt; \uc0c1\ub300\uac00 \uc5c6\uc73c\uba74 AI \ub9e4\uce6d\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c1\ub300\uac00 \uc788\uc73c\uba74 \ubc14\ub85c \ub8f8\uc744 \ub9cc\ub4e4\uace0 \ub450 \uc720\uc800\uc5d0\uac8c \ub8f8 \uc815\ubcf4\ub97c \uc804\ub2ec\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c1\ub300\uac00 \uc5c6\uc73c\uba74 5~10\ucd08 \uc815\ub3c4 \uae30\ub2e4\ub838\ub2e4\uac00 AI\uc640 \uc5f0\uacb0\ud588\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>function addMatchMakingUser(\n    userId,\n    matchingAction,\n    aiMatchingAction\n) {\n    getUserTrophies(userId, (state, data) =&gt; {\n        if (state !== \"success\" || !data || data.length === 0) {\n            return;\n        }\n\n        const trophies = data&#91;0].user_trophies;\n\n        checkUserTier(trophies, (tier) =&gt; {\n            if (userId in matchingUser&#91;tier]) {\n                return;\n            }\n\n            const waitingUsers = Object.keys(\n                matchingUser&#91;tier]\n            );\n\n            if (waitingUsers.length &gt; 0) {\n                matchWithUser(\n                    userId,\n                    waitingUsers&#91;0]\n                );\n                return;\n            }\n\n            matchingUser&#91;tier]&#91;userId] =\n                matchingAction;\n\n            matchingUser.user&#91;userId] =\n                setTimeout(() =&gt; {\n                    if (isAlreadyInRoom(userId)) {\n                        return;\n                    }\n\n                    if (!(userId in matchingUser&#91;tier])) {\n                        return;\n                    }\n\n                    matchWithAI(\n                        userId,\n                        aiMatchingAction,\n                        trophies\n                    );\n                }, getRandomInt(5000, 10000));\n        });\n    });\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c\ub3c4 \ucc98\uc74c \ucf54\ub4dc\uc640 \uc9c0\uae08 \ucf54\ub4dc\ub294 \uaf64 \ub2e4\ub974\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd08\uae30\uc5d0\ub294 <code>if<\/code> \uc548\uc5d0 \ub610 <code>if<\/code>\uac00 \ub4e4\uc5b4\uac00\uace0 \uadf8 \uc548\uc5d0\uc11c Callback\uc744 \ud638\ucd9c\ud558\ub294 \uc2dd\uc73c\ub85c \uc791\uc131\ud588\ub2e4. \uae30\ub2a5\uc774 \ub9ce\uc544\uc9c0\uba74\uc11c \ucf54\ub4dc\uac00 \uc624\ub978\ucabd\uc73c\ub85c \uacc4\uc18d \ubc00\ub838\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub798\uc11c \uc774\ud6c4\ubd80\ud130\ub294 Guard Clause\ub97c \uc801\uc6a9\ud588\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>if (state !== \"success\") {\n    return;\n}\n\nif (!data || data.length === 0) {\n    return;\n}\n\nif (userId in matchingUser&#91;tier]) {\n    return;\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uba3c\uc800 \ucc98\ub9ac\ud560 \uc218 \uc5c6\ub294 \uacbd\uc6b0\ub97c \ud138\uc5b4\ub0b4\uace0 \ub098\uba74 \uc544\ub798\uc5d0\ub294 \uc2e4\uc81c \ub9e4\uce6d \ub85c\uc9c1\ub9cc \ub0a8\ub294\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ubc29\uc2dd\uc774 \uc775\uc219\ud574\uc9c4 \uc774\ud6c4\uc5d0\ub294 \uc11c\ubc84 \ucf54\ub4dc\ub97c \uc791\uc131\ud560 \ub54c\ub3c4 \uc815\uc0c1\uc801\uc778 \ud750\ub984\uc744 \uc548\ucabd\uc73c\ub85c \ubc00\uc5b4 \ub123\uae30\ubcf4\ub2e4, \uc798\ubabb\ub41c \uc0c1\ud0dc\ub97c \uba3c\uc800 \ubc18\ud658\ud558\ub294 \ucabd\uc744 \uc120\ud638\ud558\uac8c \ub410\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud328\ud0b7 \uc554\ud638\ud654\uc640 \ud0a4 \uad50\ud658<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc18c\ucf13 \ud1b5\uc2e0\uc5d0\ub294 \uc720\uc800 \uc778\uc99d \uc815\ubcf4\uc640 \uac8c\uc784 \ub370\uc774\ud130\uac00 \ud3ec\ud568\ub418\uae30 \ub54c\ubb38\uc5d0 \ud328\ud0b7 \uc554\ud638\ud654\uc640 Token \uac80\uc99d\uc744 \uc801\uc6a9\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uccb4\uc801\uc778 \ucc98\ub9ac \uc21c\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc558\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Receive\n-&gt; Packet Framing\n-&gt; Decrypt\n-&gt; Parse\n-&gt; Token Verify\n-&gt; Packet Handler\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd08\uae30\uc5d0\ub294 \uc11c\ubc84\uc640 \ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \uacf5\uc720\ud558\ub294 \ud0a4\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \ucc98\ub9ac\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub7f0\ub370 \uace0\uc815\ub41c \ud0a4\ub97c \uacc4\uc18d \uc0ac\uc6a9\ud558\ub294 \uac83\ubcf4\ub2e4\ub294 \uc138\uc158\uc5d0\uc11c \uc0ac\uc6a9\ud560 \ud0a4\ub97c \ub530\ub85c \ub9cc\ub4e4\uc5b4 \uc0ac\uc6a9\ud558\ub294 \uac8c \ub0ab\ub2e4\uace0 \ud310\ub2e8\ud588\uace0, Diffie-Hellman \uae30\ubc18\uc758 \ud0a4 \uad50\ud658 \ubaa8\ub4c8\uc744 \ub530\ub85c \ub9cc\ub4e4\uc5c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Client Private Key\n-&gt; Client Public Key\n\nServer Private Key\n-&gt; Server Public Key\n\nPublic Key \uad50\ud658\n-&gt; Shared Secret \uc0dd\uc131\n-&gt; Session \ud1b5\uc2e0\uc5d0 \uc0ac\uc6a9\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ud070 \uc815\uc218 \uc5f0\uc0b0\uc5d0\ub294 <code>big-integer<\/code>\ub97c \uc0ac\uc6a9\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ubd80\ubd84\uc740 \uad6c\ud604\ud558\uba74\uc11c \uc554\ud638\ud654 \uc790\uccb4\ubcf4\ub2e4 \ud0a4\ub97c \uc5b4\ub5bb\uac8c \uad50\ud658\ud558\uace0 \uad00\ub9ac\ud558\ub294\uc9c0\uac00 \ub354 \ubcf5\uc7a1\ud558\ub2e4\ub294 \uac78 \uc54c\uac8c \ub41c \ubd80\ubd84\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc9c0\uae08 \ub2e4\uc2dc \ub9cc\ub4e0\ub2e4\uba74 \uc9c1\uc811 \ud0a4 \uad50\ud658 \uad6c\uc870\ub97c \ub9cc\ub4dc\ub294 \uac83\ubcf4\ub2e4 \uac80\uc99d\ub41c TLS\ub098 \uc554\ud638\ud654 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uba3c\uc800 \uc120\ud0dd\ud560 \uac83\uc774\ub2e4. \uc9c1\uc811 \uad6c\ud604\ud574\ubcf8 \uacbd\ud5d8\uc740 \uacf5\ubd80\uc5d0\ub294 \ub3c4\uc6c0\uc774 \ub410\uc9c0\ub9cc \uc2e4\uc81c \uc11c\ube44\uc2a4\uc5d0\uc11c\ub294 \uac80\uc99d\ub41c \uad6c\ud604\uc744 \uc0ac\uc6a9\ud558\ub294 \ud3b8\uc774 \uc548\uc804\ud558\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud655\ub960 \uae30\ubc18 \ubcf4\uc0c1 \uc2dc\uc2a4\ud15c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uac8c\uc784\uc758 \uc0c1\uc790 \uc624\ud508\uacfc \ubd80\ud488 \ud68d\ub4dd\uc5d0\ub294 \ud655\ub960 \ud14c\uc774\ube14\uc744 \uae30\ubc18\uc73c\ub85c \uc544\uc774\ud15c\uc744 \uc120\ud0dd\ud558\ub294 \uc2dc\uc2a4\ud15c\uc744 \ub9cc\ub4e4\uc5c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ub2e4\uc74c\uacfc \uac19\uc740 \ub370\uc774\ud130\uac00 \uc788\ub2e4\uba74<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>A = 50\nB = 30\nC = 20\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uccb4 \uac00\uc911\uce58 100\uc744 \ub9cc\ub4e4\uace0 0~99 \uc911 \ud558\ub098\ub97c \ubf51\uc544\uc11c \ud574\ub2f9 \uc544\uc774\ud15c\uc744 \uc120\ud0dd\ud55c\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>function randomPick(parts) {\n    let totalWeight = 0;\n\n    for (const part of parts) {\n        totalWeight += part.percent;\n    }\n\n    let randomValue =\n        getRandomInt(0, totalWeight - 1);\n\n    for (const part of parts) {\n        if (randomValue &lt; part.percent) {\n            return part;\n        }\n\n        randomValue -= part.percent;\n    }\n\n    return null;\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ud655\ub960\uc744 \ucf54\ub4dc\uc5d0 \uc9c1\uc811 \uc801\uc9c0 \uc54a\uace0 DB\uc758 \ud14c\uc774\ube14\uc744 \uae30\uc900\uc73c\ub85c \ucc98\ub9ac\ud558\ub3c4\ub85d \ub9cc\ub4e4\uc5c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub798\uc11c \uae30\ud68d \ub2e8\uacc4\uc5d0\uc11c \ud655\ub960\uc744 \uc218\uc815\ud560 \ub54c \ucf54\ub4dc\uae4c\uc9c0 \uc218\uc815\ud560 \ud544\uc694\uac00 \uc5c6\uc5c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7f0 \uc2dc\uc2a4\ud15c\uc740 \uc2e4\uc81c \ud655\ub960\uc774 \uc81c\ub300\ub85c \uc801\uc6a9\ub418\ub294\uc9c0\ub3c4 \ud655\uc778\ud574\uc57c \ud588\uae30 \ub54c\ubb38\uc5d0 \uad00\ub9ac\uc790 CLI\uc5d0\uc11c \ud655\ub960 \ud14c\uc774\ube14\uc744 \uc9c1\uc811 \ud655\uc778\ud560 \uc218 \uc788\uac8c \ub9cc\ub4e4\uc5c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">CLI \uad00\ub9ac\uc790 \ub3c4\uad6c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uac1c\ubc1c\ud558\uba74\uc11c DB\ub97c \uc9c1\uc811 \uc218\uc815\ud558\ub294 \uc77c\uc774 \uaf64 \ub9ce\uc558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucc98\uc74c\uc5d0\ub294 SQL\uc744 \uc9c1\uc811 \uc2e4\ud589\ud588\uc9c0\ub9cc \uac19\uc740 \uc791\uc5c5\uc744 \uacc4\uc18d\ud558\ub2e4 \ubcf4\ub2c8 \uadc0\ucc2e\uc544\uc84c\ub2e4. \uadf8\ub798\uc11c \uac04\ub2e8\ud55c \uad00\ub9ac\uc790 CLI\ub97c \ub9cc\ub4e4\uc5c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>user\n-&gt; core\n   -&gt; show\n   -&gt; add\n\nelement\n-&gt; parts\n   -&gt; show\n   -&gt; add\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc5c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>user core show &#91;user]\nelement parts add &#91;id] &#91;rank] &#91;percent] &#91;name]\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uba85\ub839\uc5b4\ub97c Dictionary \ud615\ud0dc\uc758 \ud2b8\ub9ac\ub85c \uad00\ub9ac\ud574\uc11c \ud558\uc704 \uba85\ub839\uc744 \ucd94\uac00\ud558\uae30 \uc27d\uac8c \ub9cc\ub4e4\uc5c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>function commandHandler(line) {\n    const inputData = line.split(\" \");\n\n    const command = {\n        subCommandDictionary: commandDictionary\n    };\n\n    subCommandHandler(\n        inputData,\n        command,\n        0,\n        line\n    );\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uac1c\ubc1c \ub2e8\uacc4\uc5d0\uc11c \ud544\uc694\ud55c \uad00\ub9ac\uc790 \uae30\ub2a5\uc740 \ub300\ubd80\ubd84 \uc774\ub7f0 \uc2dd\uc73c\ub85c \ucd94\uac00\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6f9 \ud398\uc774\uc9c0\ub97c \ud558\ub098 \ub354 \ub9cc\ub4dc\ub294 \uac83\ubcf4\ub2e4 \ud130\ubbf8\ub110\uc5d0\uc11c \uba85\ub839\uc5b4\ub97c \uc785\ub825\ud558\ub294 \uac8c \ube60\ub978 \uacbd\uc6b0\uac00 \ub9ce\uc558\ub2e4. \ud2b9\ud788 \ud14c\uc2a4\ud2b8\uc6a9 \uc544\uc774\ud15c \uc9c0\uae09\uc774\ub098 \uc720\uc800 \ub370\uc774\ud130 \ud655\uc778 \uac19\uc740 \uc791\uc5c5\uc5d0\uc11c\ub294 \uaf64 \uc720\uc6a9\ud588\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Callback \uc9c0\uc625\uacfc \ucf54\ub4dc \uad6c\uc870 \uac1c\uc120<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \ucf54\ub4dc \uad6c\uc870 \uce21\uba74\uc73c\ub85c \uac00\uc7a5 \ud06c\uac8c \ubc14\ub010 \ubd80\ubd84\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd08\uae30\uc5d0\ub294 \uc774\ub7f0 \ucf54\ub4dc\uac00 \ub9ce\uc558\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>GetUserData(userId, (state, data) =&gt; {\n    if (state === \"success\") {\n        if (data&#91;0].money &gt;= price) {\n            GiveItem(userId, itemId, () =&gt; {\n                UpdateUserData(userId, money, () =&gt; {\n                    next(\"success\");\n                });\n            });\n        }\n    }\n});\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ucc98\uc74c\uc5d0\ub294 \ubcc4 \ubb38\uc81c\uac00 \uc5c6\uc5b4 \ubcf4\uc600\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub7f0\ub370 \uc5ec\uae30\uc5d0 \uc544\uc774\ud15c \uc885\ub958\uac00 \ub298\uc5b4\ub098\uace0, \ucd94\uac00 \uac80\uc99d\uc774 \ub4e4\uc5b4\uac00\uace0, \uc2e4\ud328 \ucc98\ub9ac\uae4c\uc9c0 \ubd99\uc73c\uba74\uc11c Callback\uc774 \uacc4\uc18d \uc548\ucabd\uc73c\ub85c \ub4e4\uc5b4\uac14\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub098\uc911\uc5d0\ub294 \ucf54\ub4dc\ub97c \uc77d\uc73c\uba74\uc11c \uc2e4\uc81c \uad6c\ub9e4 \ucc98\ub9ac\uac00 \uc5b4\ub514\uc11c \uc2dc\uc791\ub418\uace0 \ub05d\ub098\ub294\uc9c0 \ucc3e\ub294 \uac83 \uc790\uccb4\uac00 \uc77c\uc774 \ub410\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub798\uc11c Guard Clause\ub97c \uc0ac\uc6a9\ud574\uc11c \uc870\uac74\uc744 \uc704\uc5d0\uc11c \uba3c\uc800 \ucc98\ub9ac\ud588\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>async function purchaseItem(\n    userId,\n    itemId,\n    itemAmount,\n    productPrice,\n    purchaseType\n) {\n    const costField =\n        purchaseType === 0\n            ? \"user_money\"\n            : \"user_credit\";\n\n    const user = await getUserData(userId);\n\n    if (!user) {\n        throw new Error(\"USER_NOT_FOUND\");\n    }\n\n    if (user&#91;costField] &lt; productPrice) {\n        throw new Error(\"INSUFFICIENT_FUNDS\");\n    }\n\n    const remainingBalance =\n        user&#91;costField] - productPrice;\n\n    await updateUserData(\n        userId,\n        costField,\n        remainingBalance\n    );\n\n    if (itemId &lt;= 0) {\n        await applySpecialCurrency(\n            userId,\n            itemId,\n            itemAmount\n        );\n\n        return {\n            success: true,\n            remainingBalance\n        };\n    }\n\n    await giveItemToUser(\n        userId,\n        itemId,\n        itemAmount\n    );\n\n    return {\n        success: true,\n        remainingBalance\n    };\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub807\uac8c \ubc14\uafb8\uace0 \ub098\ub2c8 \uc815\uc0c1\uc801\uc778 \ucc98\ub9ac \ud750\ub984\uc774 \uc0c1\ub2f9\ud788 \ub2e8\uc21c\ud574\uc84c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub54c\ubd80\ud130 \ucf54\ub4dc\ub97c \uc791\uc131\ud560 \ub54c \uc870\uac74\uc744 \ubb34\uc791\uc815 \uc548\ucabd\uc73c\ub85c \ub123\ub294 \uac83\ubcf4\ub2e4, \uc2e4\ud328\ud560 \uc218 \uc788\ub294 \uc870\uac74\uc744 \uba3c\uc800 \ud655\uc778\ud558\uace0 \ube60\uc838\ub098\uc624\ub294 \ubc29\uc2dd\uc744 \ub9ce\uc774 \uc0ac\uc6a9\ud558\uac8c \ub410\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">DB \uc815\ud569\uc131 \ubb38\uc81c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c1\uc810 \uad6c\ub9e4 \uae30\ub2a5\uc744 \ub9cc\ub4e4\uba74\uc11c DB \ucc98\ub9ac\ub3c4 \ub2e4\uc2dc \uc0dd\uac01\ud558\uac8c \ub410\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c1\uc810\uc5d0\uc11c \uc544\uc774\ud15c\uc744 \uad6c\ub9e4\ud558\uba74 \uacb0\uad6d \ub450 \uac00\uc9c0 \uc791\uc5c5\uc774 \ud544\uc694\ud558\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\uc7ac\ud654 \ucc28\uac10\n+\n\uc544\uc774\ud15c \uc9c0\uae09\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub7f0\ub370 \uc7ac\ud654\ub9cc \ucc28\uac10\ub418\uace0 \uc544\uc774\ud15c \uc9c0\uae09\uc774 \uc2e4\ud328\ud558\uba74 \ubb38\uc81c\uac00 \uc0dd\uae34\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\ub300\ub85c \uc544\uc774\ud15c\uc740 \uc9c0\uae09\ub410\ub294\ub370 \uc7ac\ud654 \ucc28\uac10\uc774 \uc2e4\ud328\ud574\ub3c4 \ubb38\uc81c\uac00 \uc0dd\uae34\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub798\uc11c \uc774\ub7f0 \uc791\uc5c5\uc740 \ud558\ub098\uc758 \ud2b8\ub79c\uc7ad\uc158\uc73c\ub85c \ucc98\ub9ac\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>BEGIN\n-&gt; User Lock\n-&gt; Balance Check\n-&gt; Balance Update\n-&gt; Item Update\n-&gt; COMMIT\n\n\uc2e4\ud328\n-&gt; ROLLBACK\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ud604\uc7ac \ub2e4\uc2dc \uad6c\ud604\ud55c\ub2e4\uba74 <code>SELECT ... FOR UPDATE<\/code>\ub97c \uc0ac\uc6a9\ud574 \ud574\ub2f9 \uc720\uc800\uc758 \ub370\uc774\ud130\ub97c \uc7a0\uadf8\uace0, \uc7ac\ud654 \ucc28\uac10\uacfc \uc544\uc774\ud15c \uc9c0\uae09\uc744 \ud558\ub098\uc758 Transaction\uc73c\ub85c \ucc98\ub9ac\ud560 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc11c\ubc84\uc5d0\uc11c API\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \uc751\ub2f5\ud588\ub2e4\uace0 \ud574\uc11c \ub370\uc774\ud130\uac00 \uc548\uc804\ud558\uac8c \ucc98\ub9ac\ub41c \uac83\uc740 \uc544\ub2c8\ub2e4. \uc5ec\ub7ec \uc694\uccad\uc774 \ub3d9\uc2dc\uc5d0 \ub4e4\uc5b4\uc654\uc744 \ub54c \uc5b4\ub5a4 \uc0c1\ud0dc\uac00 \ub418\ub294\uc9c0\ub3c4 \ubd10\uc57c \ud55c\ub2e4\ub294 \uac83\uc744 \uc774 \uacfc\uc815\uc5d0\uc11c \uc81c\ub300\ub85c \uc54c\uac8c \ub410\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">In-Memory \uc0c1\ud0dc \uad00\ub9ac\uc758 \ud55c\uacc4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2f9\uc2dc\uc5d0\ub294 \uc720\uc800\uc640 \ub8f8 \uc0c1\ud0dc\ub97c JavaScript Object\uc5d0 \uc800\uc7a5\ud588\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gameDataManager.userDictionary&#91;userId];\ngameDataManager.roomDictionary&#91;roomId];\nmatchingUser&#91;tier];\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uac1c\ubc1c\ud560 \ub54c\ub294 \uad49\uc7a5\ud788 \ud3b8\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc811\uadfc\ud558\uae30\ub3c4 \uc27d\uace0 \ubcc4\ub3c4\uc758 \uc800\uc7a5\uc18c\ub3c4 \ud544\uc694 \uc5c6\uc5c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb38\uc81c\ub294 \uc11c\ubc84\uac00 \uc8fd\uc73c\uba74 \uc804\ubd80 \uc0ac\ub77c\uc9c4\ub2e4\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub9ac\uace0 \uc11c\ubc84\ub97c \uc5ec\ub7ec \uac1c \ub744\uc6b0\ub294 \uc21c\uac04 \ub354 \ubb38\uc81c\uac00 \ucee4\uc9c4\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Server A\n-&gt; User A\n-&gt; Room A\n\nServer B\n-&gt; User B\n-&gt; Room B\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Server A\uc5d0 \uc788\ub294 \uc720\uc800\uc758 \uc0c1\ud0dc\ub97c Server B\uac00 \uc54c\uc544\uc57c \ud558\ub294 \uc0c1\ud669\uc5d0\uc11c\ub294 \uc774\ub7f0 \uad6c\uc870\ub85c\ub294 \ud574\uacb0\ud558\uae30 \uc5b4\ub835\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc2dc \uc124\uacc4\ud55c\ub2e4\uba74 \ud504\ub85c\uc138\uc2a4 \ub0b4\ubd80\uc5d0\ub294 \uc18c\ucf13 \uc5f0\uacb0\ucc98\ub7fc \ud574\ub2f9 \ud504\ub85c\uc138\uc2a4\uc5d0\uc11c\ub9cc \ud544\uc694\ud55c \uc0c1\ud0dc\ub97c \ub450\uace0, \uc5ec\ub7ec \uc11c\ubc84\uc5d0\uc11c \uacf5\uc720\ud574\uc57c \ud558\ub294 \uc0c1\ud0dc\ub294 Redis \uac19\uc740 \uc678\ubd80 \uc800\uc7a5\uc18c\ub85c \ubd84\ub9ac\ud560 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Game Server\n-&gt; Connection\n-&gt; Local Runtime State\n\nRedis\n-&gt; Matchmaking Queue\n-&gt; Session\n-&gt; Room Metadata\n\nMySQL\n-&gt; User Data\n-&gt; Inventory\n-&gt; Game Data\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc815\ub3c4\ub85c \uc5ed\ud560\uc744 \ub098\ub204\ub294 \uad6c\uc870\ub97c \uc0dd\uac01\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">SQL Injection \ub300\uc751\uc744 \ub2e4\uc2dc \ubcf8\ub2e4\uba74<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2f9\uc2dc\uc5d0\ub294 SQL Injection\uc744 \ub9c9\uae30 \uc704\ud574 Query \ubb38\uc790\uc5f4\uc5d0\uc11c \ud2b9\uc815 SQL \ud0a4\uc6cc\ub4dc\ub97c \uc81c\uac70\ud558\ub294 \ucf54\ub4dc\ub3c4 \uc788\uc5c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const expData = &#91;\n    \"SELECT\",\n    \"INSERT\",\n    \"DELETE\",\n    \"UPDATE\",\n    \"DROP\",\n    \"UNION\"\n];\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc9c0\uae08 \ubcf4\uba74 \uc798\ubabb\ub41c \ubc29\uc2dd\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2ec\uc9c0\uc5b4 \ub2f9\uc2dc \ucf54\ub4dc\uc5d0\ub294 <code>replace()<\/code>\uc758 \ubc18\ud658\uac12\uc744 \ub2e4\uc2dc \ub300\uc785\ud558\uc9c0 \uc54a\uc544 \uc2e4\uc81c \ubb38\uc790\uc5f4\uc774 \ubcc0\uacbd\ub418\uc9c0 \uc54a\ub294 \ubb38\uc81c\ub3c4 \uc788\uc5c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>query.replace(data, \"\");\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\uc9c0\ub9cc \uc774\uac83\ubcf4\ub2e4 \ub354 \ud070 \ubb38\uc81c\ub294 SQL\uc744 \ubb38\uc790\uc5f4 \ud544\ud130\ub9c1\uc73c\ub85c \ubc29\uc5b4\ud558\ub824\uace0 \ud588\ub2e4\ub294 \uc810\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud604\uc7ac\ub77c\uba74 Prepared Statement\ub97c \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>await connection.query(\n    \"SELECT * FROM user_data WHERE user_id = ?\",\n    &#91;userId]\n);\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uacbd\ud5d8 \uc774\ud6c4\uc5d0\ub294 \ubcf4\uc548 \ubb38\uc81c\ub97c \ubcc4\ub3c4\uc758 \ud544\ud130 \ud568\uc218 \ud558\ub098\ub85c \ud574\uacb0\ud558\ub824\ub294 \ubc29\uc2dd\ubcf4\ub2e4, \uc560\ucd08\uc5d0 \uc548\uc804\ud55c \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub3c4\ub85d \ub9cc\ub4dc\ub294 \ucabd\uc744 \uc6b0\uc120\uc801\uc73c\ub85c \uc0dd\uac01\ud558\uac8c \ub410\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ub2e4\uc2dc \ub9cc\ub4e0\ub2e4\uba74 \ubc14\uafc0 \ubd80\ubd84<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc9c0\uae08 \uac19\uc740 \uac8c\uc784 \uc11c\ubc84\ub97c \ub2e4\uc2dc \ub9cc\ub4e0\ub2e4\uba74 \ub2f9\uc2dc \uad6c\uc870\ub97c \uadf8\ub300\ub85c \uc0ac\uc6a9\ud558\uc9c0\ub294 \uc54a\uc744 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc7a5 \uba3c\uc800 \ubc14\uafc0 \ubd80\ubd84\uc740 \uc0c1\ud0dc \uad00\ub9ac\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>In-Memory Object\n-&gt; Redis\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ud615\ud0dc\ub85c \uc11c\ubc84 \uac04 \uacf5\uc720 \uc0c1\ud0dc\ub97c \ubd84\ub9ac\ud560 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DB \uc811\uadfc\ub3c4 Transaction\uc744 \uae30\ubcf8\uc73c\ub85c \uc0dd\uac01\ud558\uace0, \ubaa8\ub4e0 SQL\uc740 Parameter Binding\uc744 \uc0ac\uc6a9\ud558\ub294 \ubc29\ud5a5\uc73c\ub85c \uad6c\uc131\ud560 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud328\ud0b7\uc740 \ubb38\uc790\uc5f4 \uae30\ubc18 \ud504\ub85c\ud1a0\ucf5c \ub300\uc2e0 \uae38\uc774 \uae30\ubc18 \ud504\ub808\uc774\ubc0d\uc744 \uc0ac\uc6a9\ud558\uace0, \uc2e4\uc2dc\uac04 \ub370\uc774\ud130\uc758 \uc591\uc774 \ub9ce\uc544\uc9c4\ub2e4\uba74 Protobuf\ub098 FlatBuffers \uac19\uc740 \ubc14\uc774\ub108\ub9ac \uc9c1\ub82c\ud654\ub3c4 \uac80\ud1a0\ud560 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uc1a1 \uacc4\uce35 \uc5ed\uc2dc \ubaa8\ub4e0 \ub370\uc774\ud130\ub97c TCP\ub85c \ucc98\ub9ac\ud558\uae30\ubcf4\ub2e4 \ub370\uc774\ud130 \uc131\uaca9\uc5d0 \ub530\ub77c \ub098\ub20c \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \uad6c\ub9e4\ub098 \ub85c\uadf8\uc778\ucc98\ub7fc \ubc18\ub4dc\uc2dc \uc804\ub2ec\ub418\uc5b4\uc57c \ud558\ub294 \ub370\uc774\ud130\uc640, \ucd5c\uc2e0 \uc0c1\ud0dc\uac00 \uc911\uc694\ud574\uc11c \uc774\uc804 \ub370\uc774\ud130\uac00 \ub2a6\uac8c \ub3c4\ucc29\ud558\ub294 \uac83\uc774 \uc758\ubbf8\uac00 \uc5c6\ub294 \uac8c\uc784 \uc0c1\ud0dc \ub370\uc774\ud130\ub294 \uac19\uc740 \ubc29\uc2dd\uc73c\ub85c \ucc98\ub9ac\ud560 \ud544\uc694\uac00 \uc5c6\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ub9c8\uce58\uba70<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ud504\ub85c\uc81d\ud2b8\ub294 \ucc98\uc74c\ubd80\ud130 \ub300\uaddc\ubaa8 \uac8c\uc784 \uc11c\ubc84\ub97c \ubaa9\ud45c\ub85c \uc124\uacc4\ud55c \ud504\ub85c\uc81d\ud2b8\ub294 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ub2e8 \ud544\uc694\ud55c \uae30\ub2a5\uc744 \ud558\ub098\uc529 \uad6c\ud604\ud588\uace0, \uac1c\ubc1c\ud558\uba74\uc11c \ubb38\uc81c\uac00 \uc0dd\uae30\uba74 \uadf8\ub54c \uad6c\uc870\ub97c \uace0\uce58\ub294 \uc2dd\uc73c\ub85c \uc9c4\ud589\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub798\uc11c \uc9c0\uae08 \ubcf4\uba74 \uc544\uc26c\uc6b4 \ubd80\ubd84\ub3c4 \ub9ce\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In-Memory \uc0c1\ud0dc \uad00\ub9ac\ub3c4 \uadf8\ub807\uace0, \ubb38\uc790\uc5f4 \uae30\ubc18 \ud328\ud0b7\ub3c4 \uadf8\ub807\uace0, \ucd08\uae30\uc758 SQL \ud544\ud130\ub9c1 \ubc29\uc2dd\uc774\ub098 \uae4a\uac8c \uc911\ucca9\ub41c Callback \ucf54\ub4dc\ub3c4 \ub2e4\uc2dc \ubcf4\uba74 \ubc14\uafb8\uace0 \uc2f6\uc740 \ubd80\ubd84\uc774 \uba85\ud655\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\uc9c0\ub9cc \uc9c1\uc811 \ub9cc\ub4e4\uc5b4\ubd24\uae30 \ub54c\ubb38\uc5d0 \uc65c \ubb38\uc81c\uac00 \ub418\ub294\uc9c0\ub294 \uc54c\uace0 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TCP\uc758 \ud328\ud0b7 \uacbd\uacc4\ub97c \uc9c1\uc811 \ucc98\ub9ac\ud574\ubd24\uace0, \uc5ec\ub7ec \uc6cc\ucee4\ub85c \uc11c\ubc84\ub97c \ub098\ub220\ubd24\uace0, \ub9e4\uce6d \ud050\ub97c \uc9c1\uc811 \ub9cc\ub4e4\uc5b4\ubd24\ub2e4. DB\uc5d0\uc11c \ub370\uc774\ud130\uac00 \uaf2c\uc77c \uc218 \uc788\ub294 \uc0c1\ud669\ub3c4 \uc0dd\uac01\ud574\ubd24\uace0, \uc11c\ubc84 \ud504\ub85c\uc138\uc2a4\uac00 \uac00\uc9c0\uace0 \uc788\ub294 \uc0c1\ud0dc\ub97c \uc5ec\ub7ec \uc11c\ubc84\uc5d0\uc11c \uacf5\uc720\ud574\uc57c \ud558\ub294 \ubb38\uc81c\ub3c4 \uacaa\uc5c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7f0 \uacbd\ud5d8\uc744 \ud1b5\ud574 \uc11c\ubc84\ub97c \uc124\uacc4\ud560 \ub54c \ub2e8\uc21c\ud788 &#8220;\uc5b4\ub5a4 \uae30\uc220\uc744 \uc0ac\uc6a9\ud560\uae4c&#8221;\ubcf4\ub2e4 \uba3c\uc800 <strong>\ud604\uc7ac \uac8c\uc784\uc5d0\uc11c \uc5b4\ub5a4 \ub370\uc774\ud130\uac00 \uc2e4\uc2dc\uac04\uc774\uace0, \uc5b4\ub5a4 \ub370\uc774\ud130\uac00 \uc601\uc18d\uc801\uc774\uba70, \uc5b4\ub5a4 \uc0c1\ud0dc\ub97c \uc5ec\ub7ec \uc11c\ubc84\uac00 \uacf5\uc720\ud574\uc57c \ud558\ub294\uc9c0<\/strong>\ub97c \uad6c\ubd84\ud558\uac8c \ub410\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc9c0\uae08 \ub2e4\uc2dc \uc124\uacc4\ud55c\ub2e4\uba74 Redis\ub97c \uc774\uc6a9\ud55c \uc0c1\ud0dc \ubd84\ub9ac, Transaction\uacfc Row Lock\uc744 \uc774\uc6a9\ud55c \ub370\uc774\ud130 \uc815\ud569\uc131 \ubcf4\uc7a5, Prepared Statement, \ub354 \uba85\ud655\ud55c Packet Protocol, \uc11c\ubc84 \ud655\uc7a5\uc744 \uace0\ub824\ud55c \uad6c\uc870\ub97c \ucc98\uc74c\ubd80\ud130 \uac00\uc838\uac08 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ud504\ub85c\uc81d\ud2b8\uc758 \uc758\ubbf8\ub294 \uc644\uc131\ub41c \uc544\ud0a4\ud14d\ucc98\ub97c \ub9cc\ub4e4\uc5c8\ub2e4\ub294 \ub370 \uc788\uc9c0 \uc54a\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc9c1\uc811 \uc11c\ubc84\ub97c \ub9cc\ub4e4\uba74\uc11c \uad6c\uc870\uc801\uc778 \ubb38\uc81c\ub97c \ub9cc\ub098\ubd24\uace0, \uadf8 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uba74\uc11c \ub2e4\uc74c \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \ubb34\uc5c7\uc744 \uba3c\uc800 \uace0\ub824\ud574\uc57c \ud558\ub294\uc9c0 \uae30\uc900\uc744 \ub9cc\ub4e4\uc5c8\ub2e4\ub294 \ub370 \uc788\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud504\ub85c\uc81d\ud2b8 \uc18c\uac1c \ubaa8\ubc14\uc77c\uc5d0\uc11c \ud50c\ub808\uc774\ud558\ub294 \uc2e4\uc2dc\uac04 1:1 \ub300\uc804 \uac8c\uc784\uc758 \uc11c\ubc84\ub97c \uac1c\ubc1c\ud588\ub2e4. \uac8c\uc784\uc5d0\ub294 \ud2f0\uc5b4 \uae30\ubc18 \ub9e4\uce6d, \uc2e4\uc2dc\uac04 \ub300\uc804, \uae30\uc9c0 \ubc30\uce58, \ubd80\ud488\uacfc \ucf54\uc5b4 \uc218\uc9d1 \ubc0f \uac15\ud654, \uc0c1\uc790 \uc624\ud508 \ub4f1\uc758 \uae30\ub2a5\uc774 \uc788\uc5c8\ub2e4. \uc11c\ubc84\uc5d0\uc11c\ub294 \uc720\uc800 \uc815\ubcf4\ub098 \uc778\ubca4\ud1a0\ub9ac\ucc98\ub7fc DB\ub97c \uc8fc\ub85c \uc0ac\uc6a9\ud558\ub294 \uae30\ub2a5\uacfc, \uac8c\uc784 \uc911 \uacc4\uc18d \ub370\uc774\ud130\ub97c \uc8fc\uace0\ubc1b\uc544\uc57c \ud558\ub294 \uae30\ub2a5\uc744 \ub098\ub220\uc11c \uad6c\ud604\ud588\ub2e4. Node.js\ub97c \uc0ac\uc6a9\ud588\uace0 Socket.io \uac19\uc740 \uace0\uc218\uc900 \uc18c\ucf13 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub294 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uc558\ub2e4. net [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[],"class_list":["post-2173","post","type-post","status-publish","format-standard","hentry","category-server-projects"],"_links":{"self":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/2173","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2173"}],"version-history":[{"count":6,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/2173\/revisions"}],"predecessor-version":[{"id":2335,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/2173\/revisions\/2335"}],"wp:attachment":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}