{"id":42720,"date":"2024-11-13T20:48:07","date_gmt":"2024-11-13T20:48:07","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=42720"},"modified":"2024-11-26T06:34:40","modified_gmt":"2024-11-26T06:34:40","slug":"8-%eb%b9%84%eb%8f%99%ea%b8%b0-%ed%94%84%eb%a1%9c%ea%b7%b8%eb%9e%98%eb%b0%8d%ec%9d%98-%ea%b3%a0%ea%b8%89-%ea%b0%9c%eb%85%90-%eb%b9%84%eb%8f%99%ea%b8%b0-%eb%a9%94%ec%84%9c%eb%93%9c%ec%9d%98-%ec%8a%a4","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/42720\/","title":{"rendered":"[\uac1d\uccb4\uc9c0\ud5a5] 8.\ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \uace0\uae09 \uac1c\ub150, \ube44\ub3d9\uae30 \uba54\uc11c\ub4dc\uc758 \uc2a4\ub808\ub4dc \uad00\ub9ac \ubc0f \uc131\ub2a5 \ucd5c\uc801\ud654"},"content":{"rendered":"
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\uc791\uc131\uc790: \uc870\uad11\ud615<\/p>\n

\uc791\uc131\uc77c: [\ub0a0\uc9dc]<\/p>\n<\/header>\n

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1. \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \uac1c\ub150 \uc774\ud574<\/h2>\n

\ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc740 \ub2e4\uc911 \uc2a4\ub808\ub4dc \ud658\uacbd\uc5d0\uc11c \ube44\ub85d \ud558\ub098\uc758 \uc2a4\ub808\ub4dc\uac00 \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub294 \ub3d9\uc548 \ub2e4\ub978 \uc2a4\ub808\ub4dc\uac00 \ub2e4\ub978 \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \ud504\ub85c\uadf8\ub798\ubc0d \ud328\ub7ec\ub2e4\uc784\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc811\uadfc \ubc29\uc2dd\uc740 CPU\uc640 I\/O \uc791\uc5c5\uc744 \ucd5c\uc801\uc73c\ub85c \ud65c\uc6a9\ud558\uc5ec \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. C#\uc5d0\uc11c \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc740 ‘async’ \ubc0f ‘await’ \ud0a4\uc6cc\ub4dc\ub97c \ud1b5\ud574 \uad6c\ud604\ub429\ub2c8\ub2e4.<\/p>\n

1.1 \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \ud544\uc694\uc131<\/h3>\n

\ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc740 \uc8fc\ub85c I\/O \ubc14\uc6b4\ub4dc \uc791\uc5c5\uc5d0\uc11c \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud30c\uc77c \uc77d\uae30, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ucffc\ub9ac, \ub124\ud2b8\uc6cc\ud06c \uc694\uccad \uac19\uc740 \uc791\uc5c5\ub4e4\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc2dc\uac04\uc774 \uc624\ub798 \uac78\ub9ac\ubbc0\ub85c, \uc774\ub7ec\ud55c \uc791\uc5c5\uc744 \ube44\ub3d9\uae30\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\uba74 \ub2e4\ub978 \uc791\uc5c5\uc774 \ub3d9\uc2dc\uc5d0 \uc9c4\ud589\ub420 \uc218 \uc788\uc5b4 \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/section>\n

\n

2. C#\uc5d0\uc11c \ube44\ub3d9\uae30 \uba54\uc11c\ub4dc \uc815\uc758\ud558\uae30<\/h2>\n

C#\uc5d0\uc11c \ube44\ub3d9\uae30 \uba54\uc11c\ub4dc\ub294 \uc77c\ubc18\uc801\uc73c\ub85c ‘async’ \ud0a4\uc6cc\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc815\uc758\ub418\uba70, \uc774\ub97c \ud1b5\ud574 \ube44\ub3d9\uae30 \uc791\uc5c5\uc744 \ub098\ud0c0\ub0b4\ub294 Task<\/code> \uac1d\uccb4\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/p>\n

\n            public async Task DownloadDataAsync(string url)\n            {\n                using (HttpClient client = new HttpClient())\n                {\n                    string result = await client.GetStringAsync(url);\n                    return result;\n                }\n            }\n        <\/string><\/code><\/pre>\n
2.1 \uc608\uc81c: \uac04\ub2e8\ud55c \ube44\ub3d9\uae30 \ub370\uc774\ud130 \ub2e4\uc6b4\ub85c\ub4dc<\/h3>\n
\uc704\uc758 \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud558\ub824\uba74, \ub2e4\uc74c\uacfc \uac19\uc774 \ud638\ucd9c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\n            public async Task RunAsync()\n            {\n                string data = await DownloadDataAsync(\"http:\/\/example.com\");\n                Console.WriteLine(data);\n            }\n        <\/code><\/pre>\n
\uc774 \uba54\uc11c\ub4dc\ub294 HTTP \uc694\uccad\uc744 \ube44\ub3d9\uae30\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\uc5ec, I\/O \uc791\uc5c5\uc774 \uc644\ub8cc\ub420 \ub54c\uae4c\uc9c0 \ub2e4\ub978 \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\uac8c \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n<\/section>\n
\n
3. \uc2a4\ub808\ub4dc \uad00\ub9ac<\/h2>\n
\ube44\ub3d9\uae30 \uba54\uc11c\ub4dc\ub294 \uc2a4\ub808\ub4dc\ub97c \uc9c1\uc811 \uad00\ub9ac\ud560 \ud544\uc694 \uc5c6\uc774 \ube44\ub3d9\uae30 \uc791\uc5c5\uc774 \uc644\ub8cc\ub420 \ub54c\uae4c\uc9c0 \uae30\ub2e4\ub9bd\ub2c8\ub2e4. C#\uc758 async\/await \uad6c\ubb38\uc740 \ub0b4\ubd80\uc801\uc73c\ub85c Task\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc791\uc5c5\uc758 \uc644\ub8cc\ub97c \uad00\ub9ac\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc744 \uc704\ud55c \ub2e4\uc591\ud55c \uc2a4\ub808\ub4dc \uad00\ub9ac \uac1c\ub150\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n
3.1 \ud0dc\uc2a4\ud06c\uc640 \uc2a4\ub808\ub4dc<\/h3>\n
\uc2a4\ub808\ub4dc\ub294 \uc6b4\uc601 \uccb4\uc81c\uc5d0\uc11c \uad00\ub9ac\ud558\ub294 \uc2e4\uc81c \uc2e4\ud589 \ub2e8\uc704\uc778 \ubc18\uba74, \ud0dc\uc2a4\ud06c\ub294 \uac00\ubcbc\uc6b4 \ube44\ub3d9\uae30 \uc791\uc5c5\uc744 \ub098\ud0c0\ub0b4\ub294 \uace0\uc218\uc900\uc758 \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. \ud0dc\uc2a4\ud06c\ub294 \ub0b4\ubd80\uc801\uc73c\ub85c \uc2a4\ub808\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc791\uc5c5\uc744 \uc218\ud589\ud558\uc9c0\ub9cc, \uac1c\ubc1c\uc790\ub294 \ud0dc\uc2a4\ud06c\ub97c \ud1b5\ud574 \uc2a4\ub808\ub4dc\ub97c \uc9c1\uc811 \uad00\ub9ac\ud560 \ud544\uc694\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n
3.2 \uc2a4\ub808\ub4dc \ud480<\/h3>\n
.NET\uc5d0\uc11c\ub294 \uc2a4\ub808\ub4dc \ud480\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc2a4\ub808\ub4dc \uc0dd\uc131 \ubc0f \uad00\ub9ac\ub97c \ucd5c\uc801\ud654\ud569\ub2c8\ub2e4. \ud0dc\uc2a4\ud06c\ub97c \uc2e4\ud589\ud558\uba74, \ub7f0\ud0c0\uc784\uc774 \uc2a4\ub808\ub4dc \ud480\uc5d0\uc11c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc2a4\ub808\ub4dc\ub97c \ud560\ub2f9\ud558\uc5ec \ube44\ub3d9\uae30 \uc791\uc5c5\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc2a4\ub808\ub4dc \uc0dd\uc131 \ubc0f \ud574\uc81c \ube44\uc6a9\uc744 \uc904\uc774\uace0 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/section>\n
\n
4. \uc131\ub2a5 \ucd5c\uc801\ud654<\/h2>\n
\ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc5d0\uc11c \uc131\ub2a5 \ucd5c\uc801\ud654\ub294 \uc911\uc694\ud55c \uc694\uc18c\uc785\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud558\uae30 \uc704\ud55c \uba87 \uac00\uc9c0 \uc804\ub7b5\uc785\ub2c8\ub2e4.<\/p>\n
4.1 \ubd88\ud544\uc694\ud55c \uc2a4\ub808\ub4dc \uc0dd\uc131 \uc9c0\uc591\ud558\uae30<\/h3>\n
\ube44\ub3d9\uae30 \uba54\uc11c\ub4dc\ub294 \uc2a4\ub808\ub4dc\ub97c \uc9c1\uc811 \uc0dd\uc131\ud558\uc9c0 \uc54a\uc544\uc57c \ud558\uba70, \ubd88\ud544\uc694\ud55c \uc2a4\ub808\ub4dc \uc0dd\uc131\uc744 \ud53c\ud574\uc57c \ud569\ub2c8\ub2e4. Task.Run()\uc744 \uc0ac\uc6a9\ud560 \ub54c\ub294 CPU \ubc14\uc6b4\ub4dc \uc791\uc5c5\uc744 \ube44\ub3d9\uae30\uc801\uc73c\ub85c \uc218\ud589\ud560 \uc218 \uc788\uc9c0\ub9cc, I\/O \uc791\uc5c5\uc740 await\ub85c \ucc98\ub9ac\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n
4.2 ConfigureAwait \uc0ac\uc6a9\ud558\uae30<\/h3>\n
ConfigureAwait(false)\ub97c \uc0ac\uc6a9\ud558\uba74 \ud2b9\uc815 \ucee8\ud14d\uc2a4\ud2b8\uc5d0\uc11c \uba54\uc11c\ub4dc\uac00 \uc7ac\uac1c\ub418\uc9c0 \uc54a\ub3c4\ub85d \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 UI \uc2a4\ub808\ub4dc\uc5d0\uc11c \uc2e4\ud589\ub418\uc5b4\uc57c \ud560 \ud544\uc694\uac00 \uc5c6\ub294 \ube44\ub3d9\uae30 \uc791\uc5c5\uc5d0 \ub300\ud574 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\n            public async Task DownloadDataAsync(string url)\n            {\n                using (HttpClient client = new HttpClient())\n                {\n                    string result = await client.GetStringAsync(url).ConfigureAwait(false);\n                    \/\/ UI\uc640 \uad00\uacc4 \uc5c6\ub294 \uc791\uc5c5 \uc218\ud589\n                }\n            }\n        <\/code><\/pre>\n
4.3 \ubcd1\ub82c \ucc98\ub9ac \ubc0f \uce90\uc2f1<\/h3>\n
\ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc5d0\uc11c \ubcd1\ub82c \ucc98\ub9ac\ub97c \ud1b5\ud574 \uc5ec\ub7ec \uc791\uc5c5\uc744 \ub3d9\uc2dc\uc5d0 \ucc98\ub9ac\ud558\uc5ec \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uc790\uc8fc \uc0ac\uc6a9\ud558\ub294 \ub370\uc774\ud130\ub294 \uce90\uc2f1\ud558\uc5ec \ubd88\ud544\uc694\ud55c I\/O \uc791\uc5c5\uc744 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/section>\n
\n
5. \uc608\uc678 \ucc98\ub9ac<\/h2>\n
\ube44\ub3d9\uae30 \uba54\uc11c\ub4dc\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc608\uc678\ub294 \uc77c\ubc18\uc801\uc778 \ub3d9\uae30 \uba54\uc11c\ub4dc\uc640 \ub2e4\ub974\uac8c \ucc98\ub9ac\ub429\ub2c8\ub2e4. Task\ub97c \uc0ac\uc6a9\ud560 \uacbd\uc6b0, \uc608\uc678\ub294 Task.Result\ub97c \uc811\uadfc\ud560 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0, try-catch \ube14\ub85d\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc608\uc678\uac00 \ubc1c\uc0dd\ud588\ub294\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/t><\/p>\n
\n            try\n            {\n                string result = await DownloadDataAsync(\"http:\/\/example.com\");\n            }\n            catch (HttpRequestException e)\n            {\n                Console.WriteLine($\"Request error: {e.Message}\");\n            }\n        <\/code><\/pre>\n
\uc704\uc758 \ucf54\ub4dc\uc5d0\uc11c \ube44\ub3d9\uae30 \ud638\ucd9c\uc774 \uc2e4\ud328\ud558\uba74, HttpRequestException\uc774 \ubc1c\uc0dd\ud558\uba70 catch \ube14\ub85d\uc5d0\uc11c \uc774\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/section>\n
\n
6. \uacb0\ub860<\/h2>\n
\ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc740 C# \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud558\ub294 \uac15\ub825\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc62c\ubc14\ub978 \ube44\ub3d9\uae30 \uba54\uc11c\ub4dc \uc815\uc758\uc640 \uc2a4\ub808\ub4dc \uad00\ub9ac, \uc131\ub2a5 \ucd5c\uc801\ud654\ub97c \ud1b5\ud574 \ube44\ub3d9\uae30 \ucf54\ub4dc\uac00 \uc2e4\uc81c\ub85c \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc758 \uc131\ub2a5\uc5d0 \uae0d\uc815\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce58\ub3c4\ub85d \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \uc7a5\uc810\uc744 \ucd5c\ub300\ud55c \ud65c\uc6a9\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc774\ub97c \uc798 \uc774\ud574\ud558\uace0 \uc801\uc6a9\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<\/section>\n<\/article>\n","protected":false},"excerpt":{"rendered":"
\uc791\uc131\uc790: \uc870\uad11\ud615 \uc791\uc131\uc77c: [\ub0a0\uc9dc] 1. \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \uac1c\ub150 \uc774\ud574 \ube44\ub3d9\uae30 \ud504\ub85c\uadf8\ub798\ubc0d\uc740 \ub2e4\uc911 \uc2a4\ub808\ub4dc \ud658\uacbd\uc5d0\uc11c \ube44\ub85d \ud558\ub098\uc758 \uc2a4\ub808\ub4dc\uac00 \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub294 \ub3d9\uc548 \ub2e4\ub978 \uc2a4\ub808\ub4dc\uac00 \ub2e4\ub978 \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \ud504\ub85c\uadf8\ub798\ubc0d \ud328\ub7ec\ub2e4\uc784\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc811\uadfc \ubc29\uc2dd\uc740 CPU\uc640 I\/O \uc791\uc5c5\uc744 \ucd5c\uc801\uc73c\ub85c \ud65c\uc6a9\ud558\uc5ec \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. 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