{"id":102787,"date":"2025-03-23T11:11:41","date_gmt":"2025-03-23T06:41:41","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/%d8%a8%d9%87%db%8c%d9%86%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-%d9%be%d9%87%d9%86%d8%a7%db%8c-%d8%a8%d8%a7%d9%86%d8%af-%d9%88-%da%a9%d8%af-%d8%a8%d8%b1%d8%a7%db%8c-%db%8c%da%a9-%d9%be%d8%b3-%d8%b2%d9%85\/"},"modified":"2025-03-23T11:11:41","modified_gmt":"2025-03-23T06:41:41","slug":"%d8%a8%d9%87%db%8c%d9%86%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-%d9%be%d9%87%d9%86%d8%a7%db%8c-%d8%a8%d8%a7%d9%86%d8%af-%d9%88-%da%a9%d8%af-%d8%a8%d8%b1%d8%a7%db%8c-%db%8c%da%a9-%d9%be%d8%b3-%d8%b2%d9%85","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/%d8%a8%d9%87%db%8c%d9%86%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-%d9%be%d9%87%d9%86%d8%a7%db%8c-%d8%a8%d8%a7%d9%86%d8%af-%d9%88-%da%a9%d8%af-%d8%a8%d8%b1%d8%a7%db%8c-%db%8c%da%a9-%d9%be%d8%b3-%d8%b2%d9%85\/","title":{"rendered":"\u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u067e\u0647\u0646\u0627\u06cc 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\u0645\u0627 \u0631\u0648\u0634\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0631\u0627 \u06a9\u0634\u0641 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f <strong>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u067e\u0647\u0646\u0627\u06cc \u0628\u0627\u0646\u062f \u0631\u0627 \u0628\u0647\u06cc\u0646\u0647 \u06a9\u0646\u06cc\u062f<\/strong> \u0648\u062a <strong>\u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u062a\u0642\u0648\u06cc\u062a \u06a9\u0646\u06cc\u062f<\/strong> \u0627\u0632 \u06cc\u06a9 \u0628\u0627\u0637\u0646 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0686\u062a.<\/p>\n<hr\/>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a8%d9%87%db%8c%d9%86%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-%d9%be%d9%87%d9%86%d8%a7%db%8c-%d8%a8%d8%a7%d9%86%d8%af-%d9%88-%da%a9%d8%af-%d8%a8%d8%b1%d8%a7%db%8c-%db%8c%da%a9-%d9%be%d8%b3-%d8%b2%d9%85\/#1_%D8%A7%D9%86%D8%AF%D8%A7%D8%B2%D9%87_%D9%BE%DB%8C%D8%A7%D9%85_%D8%B1%D8%A7_%D9%85%D8%AD%D8%AF%D9%88%D8%AF_%DA%A9%D9%86%DB%8C%D8%AF\" >1. \u0627\u0646\u062f\u0627\u0632\u0647 \u067e\u06cc\u0627\u0645 \u0631\u0627 \u0645\u062d\u062f\u0648\u062f \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a8%d9%87%db%8c%d9%86%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-%d9%be%d9%87%d9%86%d8%a7%db%8c-%d8%a8%d8%a7%d9%86%d8%af-%d9%88-%da%a9%d8%af-%d8%a8%d8%b1%d8%a7%db%8c-%db%8c%da%a9-%d9%be%d8%b3-%d8%b2%d9%85\/#2_%D9%BE%DB%8C%D8%A7%D9%85_%D9%87%D8%A7%DB%8C_%D9%81%D8%B4%D8%B1%D8%AF%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C\" >2. \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc \u0641\u0634\u0631\u062f\u0647 \u0633\u0627\u0632\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a8%d9%87%db%8c%d9%86%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-%d9%be%d9%87%d9%86%d8%a7%db%8c-%d8%a8%d8%a7%d9%86%d8%af-%d9%88-%da%a9%d8%af-%d8%a8%d8%b1%d8%a7%db%8c-%db%8c%da%a9-%d9%be%d8%b3-%d8%b2%d9%85\/#3_%D8%A7%D8%B2_%D8%A7%D8%B1%D8%B3%D8%A7%D9%84_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7%DB%8C_%D8%A7%D8%B6%D8%A7%D9%81%DB%8C_%D8%AE%D9%88%D8%AF%D8%AF%D8%A7%D8%B1%DB%8C_%DA%A9%D9%86%DB%8C%D8%AF\" >3. \u0627\u0632 \u0627\u0631\u0633\u0627\u0644 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u06cc \u062e\u0648\u062f\u062f\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a8%d9%87%db%8c%d9%86%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-%d9%be%d9%87%d9%86%d8%a7%db%8c-%d8%a8%d8%a7%d9%86%d8%af-%d9%88-%da%a9%d8%af-%d8%a8%d8%b1%d8%a7%db%8c-%db%8c%da%a9-%d9%be%d8%b3-%d8%b2%d9%85\/#4_%D8%A7%D8%B2_%D9%84%D8%B1%D8%B2%D8%B4_%D9%88_%D9%85%D8%AD%D8%AF%D9%88%D8%AF_%DA%A9%D8%B1%D8%AF%D9%86_%D9%86%D8%B1%D8%AE_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\" >4. \u0627\u0632 \u0644\u0631\u0632\u0634 \u0648 \u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u0646\u0631\u062e \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a8%d9%87%db%8c%d9%86%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-%d9%be%d9%87%d9%86%d8%a7%db%8c-%d8%a8%d8%a7%d9%86%d8%af-%d9%88-%da%a9%d8%af-%d8%a8%d8%b1%d8%a7%db%8c-%db%8c%da%a9-%d9%be%d8%b3-%d8%b2%d9%85\/#5_%D9%81%D9%82%D8%B7_%D8%A8%D8%B1%D8%A7%DB%8C_%D9%85%D8%B4%D8%AA%D8%B1%DB%8C%D8%A7%D9%86_%D9%85%D8%B1%D8%A8%D9%88%D8%B7%D9%87_%D9%BE%D8%AE%D8%B4_%D9%85%DB%8C_%D8%B4%D9%88%D8%AF\" >5. \u0641\u0642\u0637 \u0628\u0631\u0627\u06cc \u0645\u0634\u062a\u0631\u06cc\u0627\u0646 \u0645\u0631\u0628\u0648\u0637\u0647 \u067e\u062e\u0634 \u0645\u06cc \u0634\u0648\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a8%d9%87%db%8c%d9%86%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-%d9%be%d9%87%d9%86%d8%a7%db%8c-%d8%a8%d8%a7%d9%86%d8%af-%d9%88-%da%a9%d8%af-%d8%a8%d8%b1%d8%a7%db%8c-%db%8c%da%a9-%d9%be%d8%b3-%d8%b2%d9%85\/#6_%D8%A7%D8%B2_%D8%AF%D8%B3%D8%AA%D9%87_%D9%BE%DB%8C%D8%A7%D9%85_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\" >6. \u0627\u0632 \u062f\u0633\u062a\u0647 \u067e\u06cc\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a8%d9%87%db%8c%d9%86%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-%d9%be%d9%87%d9%86%d8%a7%db%8c-%d8%a8%d8%a7%d9%86%d8%af-%d9%88-%da%a9%d8%af-%d8%a8%d8%b1%d8%a7%db%8c-%db%8c%da%a9-%d9%be%d8%b3-%d8%b2%d9%85\/#7_%D9%85%DA%A9%D8%A7%D9%86%DB%8C%D8%B3%D9%85_%D8%B6%D8%B1%D8%A8%D8%A7%D9%86_%D9%82%D9%84%D8%A8_%D9%BE%DB%8C%D9%86%DA%AF%D9%BE%D9%86%DA%AF\" >7. \u0645\u06a9\u0627\u0646\u06cc\u0633\u0645 \u0636\u0631\u0628\u0627\u0646 \u0642\u0644\u0628 \u067e\u06cc\u0646\u06af\/\u067e\u0646\u06af<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a8%d9%87%db%8c%d9%86%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-%d9%be%d9%87%d9%86%d8%a7%db%8c-%d8%a8%d8%a7%d9%86%d8%af-%d9%88-%da%a9%d8%af-%d8%a8%d8%b1%d8%a7%db%8c-%db%8c%da%a9-%d9%be%d8%b3-%d8%b2%d9%85\/#8_%D9%85%D8%B4%D8%AA%D8%B1%DB%8C_%D9%87%D8%A7%DB%8C_%D8%BA%DB%8C%D8%B1%D9%81%D8%B9%D8%A7%D9%84_%D8%B1%D8%A7_%D8%AD%D8%B0%D9%81_%DA%A9%D9%86%DB%8C%D8%AF\" >8. \u0645\u0634\u062a\u0631\u06cc \u0647\u0627\u06cc \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u0631\u0627 \u062d\u0630\u0641 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a8%d9%87%db%8c%d9%86%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-%d9%be%d9%87%d9%86%d8%a7%db%8c-%d8%a8%d8%a7%d9%86%d8%af-%d9%88-%da%a9%d8%af-%d8%a8%d8%b1%d8%a7%db%8c-%db%8c%da%a9-%d9%be%d8%b3-%d8%b2%d9%85\/#9_%D8%B0%D8%AE%DB%8C%D8%B1%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7%DB%8C_%DA%A9%D8%A7%D8%B1%D8%A2%D9%85%D8%AF_%D8%B1%D8%A7_%D8%A7%D8%AC%D8%B1%D8%A7_%DA%A9%D9%86%DB%8C%D8%AF\" >9. \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nabfollower.com\/blog\/%d8%a8%d9%87%db%8c%d9%86%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-%d9%be%d9%87%d9%86%d8%a7%db%8c-%d8%a8%d8%a7%d9%86%d8%af-%d9%88-%da%a9%d8%af-%d8%a8%d8%b1%d8%a7%db%8c-%db%8c%da%a9-%d9%be%d8%b3-%d8%b2%d9%85\/#%D9%BE%D8%A7%DB%8C%D8%A7%D9%86\" >\u067e\u0627\u06cc\u0627\u0646<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"1_%D8%A7%D9%86%D8%AF%D8%A7%D8%B2%D9%87_%D9%BE%DB%8C%D8%A7%D9%85_%D8%B1%D8%A7_%D9%85%D8%AD%D8%AF%D9%88%D8%AF_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  <strong>1. \u0627\u0646\u062f\u0627\u0632\u0647 \u067e\u06cc\u0627\u0645 \u0631\u0627 \u0645\u062d\u062f\u0648\u062f \u06a9\u0646\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u06cc\u06a9\u06cc \u0627\u0632 \u0633\u0627\u062f\u0647 \u062a\u0631\u06cc\u0646 \u0631\u0627\u0647 \u0647\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u0645\u0635\u0631\u0641 \u067e\u0647\u0646\u0627\u06cc \u0628\u0627\u0646\u062f \u060c \u062a\u062d\u0645\u06cc\u0644 a \u0627\u0633\u062a <strong>\u0627\u0646\u062f\u0627\u0632\u0647 \u0647\u0631 \u067e\u06cc\u0627\u0645 \u0631\u0627 \u0645\u062d\u062f\u0648\u062f \u06a9\u0646\u06cc\u062f<\/strong>\u0628\u0634\u0631 \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af\u062a\u0631 \u067e\u0647\u0646\u0627\u06cc \u0628\u0627\u0646\u062f \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0645\u0635\u0631\u0641 \u0645\u06cc \u06a9\u0646\u0646\u062f \u0648 \u0628\u0631\u0627\u06cc \u067e\u0631\u062f\u0627\u0632\u0634 \u06a9\u0646\u062f\u062a\u0631 \u0647\u0633\u062a\u0646\u062f \u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06cc\u06a9 \u0634\u0628\u06a9\u0647 \u0645\u0646\u062a\u0642\u0644 \u0645\u06cc \u0634\u0648\u0646\u062f. \u0628\u0627 \u0631\u062f \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0628\u0632\u0631\u06af \u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u062f\u0641\u0639 \u0633\u06cc\u0633\u062a\u0645 \u062e\u0648\u062f \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<p><strong>\u0646\u062d\u0648\u0647 \u0627\u062c\u0631\u0627\u06cc:<\/strong><\/p>\n<ul>\n<li>\u062d\u062f\u0627\u06a9\u062b\u0631 \u062d\u062f \u0627\u0646\u062f\u0627\u0632\u0647 \u067e\u06cc\u0627\u0645 \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u060c 1MB \u06cc\u0627 10MB).<\/li>\n<li>\u0628\u0627 \u067e\u0627\u0633\u062e \u062e\u0637\u0627\u06cc \u0645\u0646\u0627\u0633\u0628 \u060c \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0627\u0632 \u062d\u062f \u0627\u0646\u062f\u0627\u0632\u0647 \u0641\u0631\u0627\u062a\u0631 \u0645\u06cc \u0631\u0648\u0646\u062f \u060c \u0631\u062f \u06a9\u0646\u06cc\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">MAX_MESSAGE_SIZE<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1024<\/span> <span class=\"o\">*<\/span> <span class=\"mi\">1024<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/ 1MB max message size<\/span>\n\n<span class=\"nx\">ws<\/span><span class=\"p\">.<\/span><span class=\"nf\">on<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">message<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">message<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n  <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">message<\/span><span class=\"p\">.<\/span><span class=\"nx\">length<\/span> <span class=\"o\">&gt;<\/span> <span class=\"nx\">MAX_MESSAGE_SIZE<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">ws<\/span><span class=\"p\">.<\/span><span class=\"nf\">send<\/span><span class=\"p\">(<\/span><span class=\"nx\">JSON<\/span><span class=\"p\">.<\/span><span class=\"nf\">stringify<\/span><span class=\"p\">({<\/span> <span class=\"na\">error<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Message size exceeds the allowed limit<\/span><span class=\"dl\">'<\/span> <span class=\"p\">}));<\/span>\n    <span class=\"k\">return<\/span><span class=\"p\">;<\/span>\n  <span class=\"p\">}<\/span>\n  <span class=\"c1\">\/\/ Continue processing the message...<\/span>\n<span class=\"p\">});<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"2_%D9%BE%DB%8C%D8%A7%D9%85_%D9%87%D8%A7%DB%8C_%D9%81%D8%B4%D8%B1%D8%AF%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C\"><\/span>\n<p>  <strong>2. \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc \u0641\u0634\u0631\u062f\u0647 \u0633\u0627\u0632\u06cc<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u06cc\u06a9\u06cc \u062f\u06cc\u06af\u0631 \u0627\u0632 \u0631\u0627\u0647\u0647\u0627\u06cc \u0645\u0624\u062b\u0631 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u067e\u0647\u0646\u0627\u06cc \u0628\u0627\u0646\u062f \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 <strong>\u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0641\u0634\u0631\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/strong> \u0628\u06cc\u0646 \u0645\u0634\u062a\u0631\u06cc \u0648 \u0633\u0631\u0648\u0631 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u0634\u0648\u062f. \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0628\u0647 \u0648\u06cc\u0698\u0647 \u0628\u0631\u0627\u06cc \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc \u06af\u067e \u0628\u0627 \u0645\u062a\u0646 \u060c \u0627\u06cc\u0645\u0648\u062c\u06cc \u0647\u0627 \u06cc\u0627 \u062a\u0635\u0627\u0648\u06cc\u0631\u06cc \u06a9\u0647 \u0628\u062f\u0648\u0646 \u0627\u0632 \u062f\u0633\u062a \u062f\u0627\u062f\u0646 \u06a9\u06cc\u0641\u06cc\u062a \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0641\u0634\u0631\u062f\u0647 \u0634\u0648\u0646\u062f \u060c \u0645\u0641\u06cc\u062f \u0627\u0633\u062a.<\/p>\n<p><strong>\u0646\u062d\u0648\u0647 \u0627\u062c\u0631\u0627\u06cc:<\/strong><\/p>\n<ul>\n<li>\u0641\u0634\u0631\u062f\u0647 \u0633\u0627\u0632\u06cc \u0631\u0627 \u062f\u0631 \u0633\u0631\u0648\u0631\u0647\u0627\u06cc WebSocket \u0641\u0639\u0627\u0644 \u06a9\u0646\u06cc\u062f. \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc \u0645\u062d\u0628\u0648\u0628 Websocket \u0645\u0627\u0646\u0646\u062f <code>ws<\/code> \u0627\u0632 \u0641\u0634\u0631\u062f\u0647 \u0633\u0627\u0632\u06cc \u067e\u06cc\u0627\u0645 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u06a9\u0646\u06cc\u062f (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 <code>permessage-deflate<\/code>).<\/li>\n<li>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0645\u0646\u0637\u0642 \u0641\u0634\u0631\u062f\u0647 \u0633\u0627\u0632\u06cc \u062e\u0648\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u0628\u0627\u0631\u0647\u0627\u06cc \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 GZIP \u06cc\u0627 \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 \u0647\u0627\u06cc \u062e\u0646\u062b\u06cc \u06a9\u0631\u062f\u0646 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">wss<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">WebSocket<\/span><span class=\"p\">.<\/span><span class=\"nc\">Server<\/span><span class=\"p\">({<\/span>\n  <span class=\"na\">port<\/span><span class=\"p\">:<\/span> <span class=\"mi\">8080<\/span><span class=\"p\">,<\/span>\n  <span class=\"na\">perMessageDeflate<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\n    <span class=\"na\">threshold<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1024<\/span> <span class=\"c1\">\/\/ Compress messages larger than 1KB<\/span>\n  <span class=\"p\">}<\/span>\n<span class=\"p\">});<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"3_%D8%A7%D8%B2_%D8%A7%D8%B1%D8%B3%D8%A7%D9%84_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7%DB%8C_%D8%A7%D8%B6%D8%A7%D9%81%DB%8C_%D8%AE%D9%88%D8%AF%D8%AF%D8%A7%D8%B1%DB%8C_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  <strong>3. \u0627\u0632 \u0627\u0631\u0633\u0627\u0644 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u06cc \u062e\u0648\u062f\u062f\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u06cc\u06a9\u06cc \u0627\u0632 \u067e\u0647\u0646\u0627\u06cc \u0628\u0627\u0646\u062f \u0633\u0646\u06af\u06cc\u0646 \u062a\u0631\u06cc\u0646 \u0645\u0634\u06a9\u0644\u0627\u062a \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u0686\u062a \u060c \u0627\u0631\u0633\u0627\u0644 <strong>\u0686\u0646\u062f\u06cc\u0646 \u0628\u0627\u0631 \u062f\u0627\u062f\u0647 \u0647\u0627<\/strong>\u0628\u0634\u0631 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u060c \u0627\u06af\u0631 \u067e\u06cc\u0627\u0645 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u06a9\u0631\u062f\u0647 \u0628\u0627\u0634\u062f \u060c \u062f\u06cc\u06af\u0631 \u0646\u06cc\u0627\u0632\u06cc \u0628\u0647 \u067e\u062e\u0634 \u062f\u0648\u0628\u0627\u0631\u0647 \u0622\u0646 \u0628\u0647 \u0647\u0645\u0647 \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0645\u062a\u0635\u0644 \u0646\u06cc\u0633\u062a.<\/p>\n<p><strong>\u0646\u062d\u0648\u0647 \u0627\u062c\u0631\u0627\u06cc:<\/strong><\/p>\n<ul>\n<li>\u0648\u0636\u0639\u06cc\u062a \u067e\u06cc\u0627\u0645 \u0647\u0631 \u06a9\u0627\u0631\u0628\u0631 \u0631\u0627 \u067e\u06cc\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u0641\u0642\u0637 \u062f\u0631 \u0635\u0648\u0631\u062a \u0645\u062a\u0641\u0627\u0648\u062a \u0628\u0648\u062f\u0646 \u0628\u0627 \u0634\u0645\u0627\u0631\u0647 \u0622\u062e\u0631 \u060c \u067e\u06cc\u0627\u0645 \u0631\u0627 \u067e\u062e\u0634 \u06a9\u0646\u06cc\u062f.<\/li>\n<li>\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0645\u062d\u062a\u0648\u0627\u06cc \u0647\u0634 \u06cc\u0627 \u0646\u0633\u062e\u0647 \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0627 \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc \u0642\u0628\u0644\u06cc \u0645\u0642\u0627\u06cc\u0633\u0647 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0631\u062e \u062f\u0627\u062f\u0647 \u0627\u0633\u062a.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">crypto<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">crypto<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\n\n<span class=\"kd\">function<\/span> <span class=\"nf\">getHash<\/span><span class=\"p\">(<\/span><span class=\"nx\">content<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n  <span class=\"k\">return<\/span> <span class=\"nx\">crypto<\/span><span class=\"p\">.<\/span><span class=\"nf\">createHash<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">sha256<\/span><span class=\"dl\">'<\/span><span class=\"p\">).<\/span><span class=\"nf\">update<\/span><span class=\"p\">(<\/span><span class=\"nx\">content<\/span><span class=\"p\">).<\/span><span class=\"nf\">digest<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">hex<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"c1\">\/\/ Compare hashes before broadcasting<\/span>\n<span class=\"kd\">const<\/span> <span class=\"nx\">previousHash<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">getHash<\/span><span class=\"p\">(<\/span><span class=\"nx\">content<\/span><span class=\"p\">);<\/span>\n<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">previousHash<\/span> <span class=\"o\">!==<\/span> <span class=\"nx\">storedHash<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n  <span class=\"c1\">\/\/ Send the message<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"4_%D8%A7%D8%B2_%D9%84%D8%B1%D8%B2%D8%B4_%D9%88_%D9%85%D8%AD%D8%AF%D9%88%D8%AF_%DA%A9%D8%B1%D8%AF%D9%86_%D9%86%D8%B1%D8%AE_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  <strong>4. \u0627\u0632 \u0644\u0631\u0632\u0634 \u0648 \u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u0646\u0631\u062e \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0633\u0631\u0648\u0631 \u0628\u0627 \u062a\u0631\u0627\u0641\u06cc\u06a9 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u060c \u0627\u062c\u0631\u0627\u06cc \u0622\u0646 \u0636\u0631\u0648\u0631\u06cc \u0627\u0633\u062a <strong>\u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u0646\u0631\u062e<\/strong> \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0627\u06cc\u0646 \u0627\u0645\u0631 \u0645\u0627\u0646\u0639 \u0627\u0632 \u0627\u0633\u067e\u0645 \u0645\u06cc \u0634\u0648\u062f \u0648 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0647\u0631 \u0645\u0634\u062a\u0631\u06cc \u062a\u0639\u062f\u0627\u062f \u0645\u0639\u0642\u0648\u0644 \u067e\u06cc\u0627\u0645 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0628\u0627\u0632\u0647 \u0632\u0645\u0627\u0646\u06cc \u062a\u0639\u06cc\u06cc\u0646 \u0634\u062f\u0647 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p><strong>\u0646\u062d\u0648\u0647 \u0627\u062c\u0631\u0627\u06cc:<\/strong><\/p>\n<ul>\n<li>\u062a\u0639\u062f\u0627\u062f \u067e\u06cc\u0627\u0645\u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u0634\u062a\u0631\u06cc \u062f\u0631 \u06cc\u06a9 \u067e\u0646\u062c\u0631\u0647 \u0632\u0645\u0627\u0646\u06cc \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u060c 1 \u062f\u0642\u06cc\u0642\u0647) \u0631\u062f\u06cc\u0627\u0628\u06cc \u06a9\u0646\u06cc\u062f.<\/li>\n<li>\u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0645\u062c\u0627\u0632 \u0627\u0633\u062a \u060c \u0631\u062f \u06a9\u0646\u06cc\u062f \u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u067e\u0647\u0646\u0627\u06cc \u0628\u0627\u0646\u062f \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u0628\u0627\u0631 \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u0631\u0627 \u0631\u0648\u06cc \u0633\u0631\u0648\u0631 \u06a9\u0627\u0647\u0634 \u0645\u06cc \u062f\u0647\u06cc\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">RATE_LIMIT<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">5<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/ Max 5 messages per second<\/span>\n\n<span class=\"kd\">let<\/span> <span class=\"nx\">messageCount<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\n<span class=\"kd\">let<\/span> <span class=\"nx\">lastReset<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">Date<\/span><span class=\"p\">.<\/span><span class=\"nf\">now<\/span><span class=\"p\">();<\/span>\n\n<span class=\"nx\">ws<\/span><span class=\"p\">.<\/span><span class=\"nf\">on<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">message<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">message<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n  <span class=\"kd\">const<\/span> <span class=\"nx\">now<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">Date<\/span><span class=\"p\">.<\/span><span class=\"nf\">now<\/span><span class=\"p\">();<\/span>\n\n  <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">now<\/span> <span class=\"o\">-<\/span> <span class=\"nx\">lastReset<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">1000<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">messageCount<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/ Reset every second<\/span>\n    <span class=\"nx\">lastReset<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">now<\/span><span class=\"p\">;<\/span>\n  <span class=\"p\">}<\/span>\n\n  <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">messageCount<\/span> <span class=\"o\">&gt;=<\/span> <span class=\"nx\">RATE_LIMIT<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">ws<\/span><span class=\"p\">.<\/span><span class=\"nf\">send<\/span><span class=\"p\">(<\/span><span class=\"nx\">JSON<\/span><span class=\"p\">.<\/span><span class=\"nf\">stringify<\/span><span class=\"p\">({<\/span> <span class=\"na\">error<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Rate limit exceeded<\/span><span class=\"dl\">'<\/span> <span class=\"p\">}));<\/span>\n    <span class=\"k\">return<\/span><span class=\"p\">;<\/span>\n  <span class=\"p\">}<\/span>\n\n  <span class=\"nx\">messageCount<\/span><span class=\"o\">++<\/span><span class=\"p\">;<\/span>\n  <span class=\"c1\">\/\/ Process the message...<\/span>\n<span class=\"p\">});<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"5_%D9%81%D9%82%D8%B7_%D8%A8%D8%B1%D8%A7%DB%8C_%D9%85%D8%B4%D8%AA%D8%B1%DB%8C%D8%A7%D9%86_%D9%85%D8%B1%D8%A8%D9%88%D8%B7%D9%87_%D9%BE%D8%AE%D8%B4_%D9%85%DB%8C_%D8%B4%D9%88%D8%AF\"><\/span>\n<p>  <strong>5. \u0641\u0642\u0637 \u0628\u0631\u0627\u06cc \u0645\u0634\u062a\u0631\u06cc\u0627\u0646 \u0645\u0631\u0628\u0648\u0637\u0647 \u067e\u062e\u0634 \u0645\u06cc \u0634\u0648\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u0631\u0633\u0627\u0644 \u067e\u06cc\u0627\u0645 \u0628\u0647 \u06a9\u0644\u06cc\u0647 \u0645\u0634\u062a\u0631\u06cc \u0647\u0627 \u062f\u0631 \u06cc\u06a9 \u0627\u062a\u0627\u0642 \u0686\u062a \u06cc\u0627 \u06af\u0631\u0648\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u067e\u0647\u0646\u0627\u06cc \u0628\u0627\u0646\u062f \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u062f \u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u0627\u06af\u0631 \u0686\u062a \u0628\u0632\u0631\u06af \u0628\u0627\u0634\u062f. \u062f\u0631 \u0639\u0648\u0636 \u060c \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f <strong>\u0645\u0634\u062a\u0631\u06cc\u0627\u0646\u06cc \u0631\u0627 \u06a9\u0647 \u0628\u0647 \u067e\u06cc\u0627\u0645 \u0627\u062d\u062a\u06cc\u0627\u062c \u0646\u062f\u0627\u0631\u0646\u062f \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u062f<\/strong> (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u060c \u0627\u06af\u0631 \u067e\u06cc\u0627\u0645 \u0628\u0647 \u0622\u0646\u0647\u0627 \u0647\u062f\u0627\u06cc\u062a \u0646\u0634\u0648\u062f).<\/p>\n<p><strong>\u0646\u062d\u0648\u0647 \u0627\u062c\u0631\u0627\u06cc:<\/strong><\/p>\n<ul>\n<li>\u0645\u0634\u062a\u0631\u06cc \u0647\u0627 \u0631\u0627 \u062f\u0631 \u0627\u062a\u0627\u0642 \u0647\u0627 \u06cc\u0627 \u062c\u0644\u0633\u0627\u062a \u062e\u0627\u0635 \u067e\u06cc\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f.<\/li>\n<li>\u0627\u0631\u0633\u0627\u0644 \u067e\u06cc\u0627\u0645 \u0641\u0642\u0637 \u0628\u0647 \u0645\u0634\u062a\u0631\u06cc \u062f\u0631 \u0647\u0645\u0627\u0646 \u0627\u062a\u0627\u0642 \u06af\u067e \u06cc\u0627 \u062c\u0644\u0633\u0647 \u06a9\u0627\u0631\u0628\u0631.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">sessionClients<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Map<\/span><span class=\"p\">();<\/span>\n\n<span class=\"nx\">ws<\/span><span class=\"p\">.<\/span><span class=\"nf\">on<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">message<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">message<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n  <span class=\"kd\">const<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">sessionId<\/span><span class=\"p\">,<\/span> <span class=\"nx\">content<\/span> <span class=\"p\">}<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">JSON<\/span><span class=\"p\">.<\/span><span class=\"nf\">parse<\/span><span class=\"p\">(<\/span><span class=\"nx\">message<\/span><span class=\"p\">);<\/span>\n\n  <span class=\"c1\">\/\/ Send only to clients in the same session<\/span>\n  <span class=\"nx\">sessionClients<\/span><span class=\"p\">.<\/span><span class=\"nf\">get<\/span><span class=\"p\">(<\/span><span class=\"nx\">sessionId<\/span><span class=\"p\">).<\/span><span class=\"nf\">forEach<\/span><span class=\"p\">(<\/span><span class=\"nx\">client<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">client<\/span> <span class=\"o\">!==<\/span> <span class=\"nx\">ws<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"nx\">client<\/span><span class=\"p\">.<\/span><span class=\"nx\">readyState<\/span> <span class=\"o\">===<\/span> <span class=\"nx\">WebSocket<\/span><span class=\"p\">.<\/span><span class=\"nx\">OPEN<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n      <span class=\"nx\">client<\/span><span class=\"p\">.<\/span><span class=\"nf\">send<\/span><span class=\"p\">(<\/span><span class=\"nx\">JSON<\/span><span class=\"p\">.<\/span><span class=\"nf\">stringify<\/span><span class=\"p\">({<\/span> <span class=\"nx\">sessionId<\/span><span class=\"p\">,<\/span> <span class=\"nx\">content<\/span> <span class=\"p\">}));<\/span>\n    <span class=\"p\">}<\/span>\n  <span class=\"p\">});<\/span>\n<span class=\"p\">});<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"6_%D8%A7%D8%B2_%D8%AF%D8%B3%D8%AA%D9%87_%D9%BE%DB%8C%D8%A7%D9%85_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  <strong>6. \u0627\u0632 \u062f\u0633\u062a\u0647 \u067e\u06cc\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0647 \u062c\u0627\u06cc \u0627\u0631\u0633\u0627\u0644 \u0633\u0631\u06cc\u0639 \u0647\u0631 \u067e\u06cc\u0627\u0645 \u060c \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f <strong>\u062f\u0633\u062a\u0647 \u0628\u0646\u062f\u06cc \u0686\u0646\u062f\u06cc\u0646 \u067e\u06cc\u0627\u0645<\/strong> \u0648 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0627 \u0647\u0645 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0628\u0627\u0639\u062b \u06a9\u0627\u0647\u0634 \u062a\u0639\u062f\u0627\u062f \u0641\u0631\u06cc\u0645 \u0647\u0627\u06cc WebSocket \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0628\u0627\u0639\u062b \u06a9\u0627\u0647\u0634 \u0633\u0631\u0628\u0627\u0631 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p><strong>\u0646\u062d\u0648\u0647 \u0627\u062c\u0631\u0627\u06cc:<\/strong><\/p>\n<ul>\n<li>\u0686\u0646\u062f\u06cc\u0646 \u067e\u06cc\u0627\u0645 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u067e\u0646\u062c\u0631\u0647 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0648\u062a\u0627\u0647 (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u060c 100ms) \u062c\u0645\u0639 \u06a9\u0646\u06cc\u062f.<\/li>\n<li>\u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u062f\u0633\u062a\u0647 \u0648\u0627\u062d\u062f \u0628\u0631\u0627\u06cc \u06a9\u0644\u06cc\u0647 \u0645\u0634\u062a\u0631\u06cc \u0647\u0627\u06cc \u0627\u062a\u0627\u0642 \u0627\u0631\u0633\u0627\u0644 \u06a9\u0646\u06cc\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">FLUSH_INTERVAL<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">100<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/ Flush messages every 100ms<\/span>\n<span class=\"kd\">let<\/span> <span class=\"nx\">pendingMessages<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span>\n\n<span class=\"nf\">setInterval<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n  <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">pendingMessages<\/span><span class=\"p\">.<\/span><span class=\"nx\">length<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">sessionClients<\/span><span class=\"p\">.<\/span><span class=\"nf\">get<\/span><span class=\"p\">(<\/span><span class=\"nx\">currentSessionId<\/span><span class=\"p\">).<\/span><span class=\"nf\">forEach<\/span><span class=\"p\">(<\/span><span class=\"nx\">client<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n      <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">client<\/span><span class=\"p\">.<\/span><span class=\"nx\">readyState<\/span> <span class=\"o\">===<\/span> <span class=\"nx\">WebSocket<\/span><span class=\"p\">.<\/span><span class=\"nx\">OPEN<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">client<\/span><span class=\"p\">.<\/span><span class=\"nf\">send<\/span><span class=\"p\">(<\/span><span class=\"nx\">JSON<\/span><span class=\"p\">.<\/span><span class=\"nf\">stringify<\/span><span class=\"p\">(<\/span><span class=\"nx\">pendingMessages<\/span><span class=\"p\">));<\/span>\n      <span class=\"p\">}<\/span>\n    <span class=\"p\">});<\/span>\n    <span class=\"nx\">pendingMessages<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span> <span class=\"c1\">\/\/ Clear the batch after sending<\/span>\n  <span class=\"p\">}<\/span>\n<span class=\"p\">},<\/span> <span class=\"nx\">FLUSH_INTERVAL<\/span><span class=\"p\">);<\/span>\n\n<span class=\"nx\">ws<\/span><span class=\"p\">.<\/span><span class=\"nf\">on<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">message<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">message<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n  <span class=\"nx\">pendingMessages<\/span><span class=\"p\">.<\/span><span class=\"nf\">push<\/span><span class=\"p\">(<\/span><span class=\"nx\">message<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">});<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"7_%D9%85%DA%A9%D8%A7%D9%86%DB%8C%D8%B3%D9%85_%D8%B6%D8%B1%D8%A8%D8%A7%D9%86_%D9%82%D9%84%D8%A8_%D9%BE%DB%8C%D9%86%DA%AF%D9%BE%D9%86%DA%AF\"><\/span>\n<p>  <strong>7. \u0645\u06a9\u0627\u0646\u06cc\u0633\u0645 \u0636\u0631\u0628\u0627\u0646 \u0642\u0644\u0628 \u067e\u06cc\u0646\u06af\/\u067e\u0646\u06af<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u06af\u0631 \u062e\u06cc\u0644\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u0628\u06cc\u06a9\u0627\u0631 \u0628\u0627\u0634\u062f \u060c \u0627\u062a\u0635\u0627\u0644\u0627\u062a WebSocket \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0633\u062a\u0647 \u0634\u0648\u062f \u0648 \u062a\u0634\u062e\u06cc\u0635 \u0632\u0648\u062f\u0631\u0633 \u0645\u0634\u062a\u0631\u06cc \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u0627\u0628\u0639 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0631\u062f\u0647 \u0648 \u0627\u0632 \u0632\u0628\u0627\u0644\u0647 \u0647\u0627\u06cc \u067e\u0647\u0646\u0627\u06cc \u0628\u0627\u0646\u062f \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u062f. \u0628\u0648\u0647\u0627 <strong>\u067e\u06cc\u0646\u06af\/\u067e\u0646\u06af<\/strong> \u0645\u06a9\u0627\u0646\u06cc\u0633\u0645 \u0636\u0631\u0628\u0627\u0646 \u0642\u0644\u0628 \u0628\u0647 \u062a\u0634\u062e\u06cc\u0635 \u0648 \u062d\u0641\u0638 \u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0632\u0646\u062f\u0647 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p><strong>\u0646\u062d\u0648\u0647 \u0627\u062c\u0631\u0627\u06cc:<\/strong><\/p>\n<ul>\n<li>\u0628\u0647 \u0637\u0648\u0631 \u062f\u0648\u0631\u0647 \u0627\u06cc \u067e\u06cc\u0646\u06af \u0631\u0627 \u0628\u0647 \u0645\u0634\u062a\u0631\u06cc \u0627\u0631\u0633\u0627\u0644 \u06a9\u0646\u06cc\u062f.<\/li>\n<li>\u0627\u06af\u0631 \u0645\u0634\u062a\u0631\u06cc \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u0627\u0646 \u0645\u0639\u0642\u0648\u0644 \u0628\u0627 \u06cc\u06a9 \u067e\u0646\u06af \u067e\u0627\u0633\u062e \u0646\u0645\u06cc \u062f\u0647\u062f \u060c \u0627\u062a\u0635\u0627\u0644 \u0631\u0627 \u0645\u0631\u062f\u0647 \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0628\u0646\u062f\u06cc\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"nx\">ws<\/span><span class=\"p\">.<\/span><span class=\"nx\">pingInterval<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">setInterval<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n  <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">ws<\/span><span class=\"p\">.<\/span><span class=\"nx\">readyState<\/span> <span class=\"o\">===<\/span> <span class=\"nx\">WebSocket<\/span><span class=\"p\">.<\/span><span class=\"nx\">OPEN<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">ws<\/span><span class=\"p\">.<\/span><span class=\"nf\">ping<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ Send ping to keep the connection alive<\/span>\n  <span class=\"p\">}<\/span>\n<span class=\"p\">},<\/span> <span class=\"mi\">30000<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Ping every 30 seconds<\/span>\n\n<span class=\"nx\">ws<\/span><span class=\"p\">.<\/span><span class=\"nf\">on<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">pong<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n  <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Pong received from client<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">});<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"8_%D9%85%D8%B4%D8%AA%D8%B1%DB%8C_%D9%87%D8%A7%DB%8C_%D8%BA%DB%8C%D8%B1%D9%81%D8%B9%D8%A7%D9%84_%D8%B1%D8%A7_%D8%AD%D8%B0%D9%81_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  <strong>8. \u0645\u0634\u062a\u0631\u06cc \u0647\u0627\u06cc \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u0631\u0627 \u062d\u0630\u0641 \u06a9\u0646\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0627 \u06af\u0630\u0634\u062a \u0632\u0645\u0627\u0646 \u060c \u0628\u0631\u062e\u06cc \u0627\u0632 \u0645\u0634\u062a\u0631\u06cc \u0647\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u062f\u0648\u0646 \u0627\u0631\u0633\u0627\u0644 \u0645\u0646\u0627\u0633\u0628 \u0642\u0637\u0639 \u0634\u0648\u0646\u062f <code>close<\/code> \u067e\u06cc\u0627\u0645 <strong>\u062d\u0630\u0641 \u0645\u0634\u062a\u0631\u06cc \u0647\u0627\u06cc \u063a\u06cc\u0631\u0641\u0639\u0627\u0644<\/strong> \u0627\u0632 \u062c\u0644\u0633\u0627\u062a \u0648 \u0622\u0632\u0627\u062f \u06a9\u0631\u062f\u0646 \u0645\u0646\u0627\u0628\u0639 \u0628\u0631\u0627\u06cc \u062d\u0641\u0638 \u06a9\u0627\u0631\u0622\u06cc\u06cc \u067e\u0633 \u0632\u0645\u06cc\u0646\u0647 \u0645\u0647\u0645 \u0627\u0633\u062a.<\/p>\n<p><strong>\u0646\u062d\u0648\u0647 \u0627\u062c\u0631\u0627\u06cc:<\/strong><\/p>\n<ul>\n<li>\u0628\u0631\u0627\u06cc \u0639\u062f\u0645 \u062a\u062d\u0631\u06a9 \u06cc\u06a9 \u0632\u0645\u0627\u0646 \u062a\u0639\u06cc\u06cc\u0646 \u06a9\u0646\u06cc\u062f. \u0627\u06af\u0631 \u0645\u0634\u062a\u0631\u06cc \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u0627\u0646 \u0645\u0639\u06cc\u0646 \u067e\u06cc\u0627\u0645 \u0627\u0631\u0633\u0627\u0644 \u0646\u0645\u06cc \u06a9\u0646\u062f (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u060c 1 \u062f\u0642\u06cc\u0642\u0647) \u060c \u0627\u062a\u0635\u0627\u0644 \u0631\u0627 \u0628\u0628\u0646\u062f\u06cc\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">INACTIVITY_TIMEOUT<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">60000<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/ 1 minute inactivity timeout<\/span>\n\n<span class=\"nx\">ws<\/span><span class=\"p\">.<\/span><span class=\"nx\">lastMessageTime<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">Date<\/span><span class=\"p\">.<\/span><span class=\"nf\">now<\/span><span class=\"p\">();<\/span>\n\n<span class=\"nf\">setInterval<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n  <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nb\">Date<\/span><span class=\"p\">.<\/span><span class=\"nf\">now<\/span><span class=\"p\">()<\/span> <span class=\"o\">-<\/span> <span class=\"nx\">ws<\/span><span class=\"p\">.<\/span><span class=\"nx\">lastMessageTime<\/span> <span class=\"o\">&gt;<\/span> <span class=\"nx\">INACTIVITY_TIMEOUT<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">ws<\/span><span class=\"p\">.<\/span><span class=\"nf\">close<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ Close inactive client connection<\/span>\n  <span class=\"p\">}<\/span>\n<span class=\"p\">},<\/span> <span class=\"mi\">30000<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ Check every 30 seconds<\/span>\n\n<span class=\"nx\">ws<\/span><span class=\"p\">.<\/span><span class=\"nf\">on<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">message<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n  <span class=\"nx\">ws<\/span><span class=\"p\">.<\/span><span class=\"nx\">lastMessageTime<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">Date<\/span><span class=\"p\">.<\/span><span class=\"nf\">now<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ Reset the last message time on new message<\/span>\n<span class=\"p\">});<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"9_%D8%B0%D8%AE%DB%8C%D8%B1%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7%DB%8C_%DA%A9%D8%A7%D8%B1%D8%A2%D9%85%D8%AF_%D8%B1%D8%A7_%D8%A7%D8%AC%D8%B1%D8%A7_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  <strong>9. \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0630\u062e\u06cc\u0631\u0647 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0686\u062a \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062f\u0631 \u062f\u0631\u0627\u0632 \u0645\u062f\u062a \u0628\u0647 \u062e\u0635\u0648\u0635 \u0628\u0627 \u062a\u0639\u062f\u0627\u062f \u0632\u06cc\u0627\u062f\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0647\u0645\u0632\u0645\u0627\u0646 \u060c \u0645\u0642\u06cc\u0627\u0633 \u067e\u0630\u06cc\u0631 \u0646\u0628\u0627\u0634\u062f. \u062f\u0631 \u0639\u0648\u0636 \u060c \u0627\u0632 a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <strong>\u062d\u0627\u0641\u0638\u0647 \u0646\u0647\u0627\u0646<\/strong> (\u0645\u0627\u0646\u0646\u062f Redis) \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062c\u0644\u0633\u0647 \u06cc\u0627 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06a9\u0627\u0631\u0622\u0645\u062f \u0628\u0631\u0627\u06cc \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc \u062a\u0627\u0631\u06cc\u062e\u06cc.<\/p>\n<p><strong>\u0646\u062d\u0648\u0647 \u0627\u062c\u0631\u0627\u06cc:<\/strong><\/p>\n<ul>\n<li>\u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u062c\u0644\u0633\u0627\u062a \u0641\u0639\u0627\u0644 \u06cc\u0627 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0627\u062a\u0627\u0642 \u0686\u062a \u0627\u0632 redis \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/li>\n<li>\u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u0686\u062a \u062f\u0631 \u0645\u0642\u06cc\u0627\u0633 \u0628\u0632\u0631\u06af \u060c \u0628\u0631\u0627\u06cc \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u062a\u062f\u0627\u0648\u0645 \u062f\u0627\u062f\u0647 \u0647\u0627 \u060c \u06cc\u06a9 \u0632\u0645\u06cc\u0646\u0647 \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u067e\u06cc\u0627\u0645 \u0645\u0646\u0627\u0633\u0628 \u0631\u0627 \u0627\u062f\u063a\u0627\u0645 \u06a9\u0646\u06cc\u062f.<\/li>\n<\/ul>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D9%BE%D8%A7%DB%8C%D8%A7%D9%86\"><\/span>\n<p>  <strong>\u067e\u0627\u06cc\u0627\u0646<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u067e\u0647\u0646\u0627\u06cc \u0628\u0627\u0646\u062f \u0648 \u0628\u0647\u0628\u0648\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u06cc\u06a9 \u067e\u0633 \u0632\u0645\u06cc\u0646\u0647 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0686\u062a \u0628\u0631\u0627\u06cc \u0645\u0642\u06cc\u0627\u0633 \u067e\u0630\u06cc\u0631\u06cc \u0648 \u06cc\u06a9 \u062a\u062c\u0631\u0628\u0647 \u06a9\u0627\u0631\u0628\u0631 \u0645\u062b\u0628\u062a \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a. \u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f <strong>\u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0627\u0646\u062f\u0627\u0632\u0647 \u067e\u06cc\u0627\u0645<\/strong>\u0628\u0627 <strong>\u062a\u0631\u0627\u06a9\u0645<\/strong>\u0628\u0627 <strong>\u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u0646\u0631\u062e<\/strong>\u0628\u0627 <strong>\u06a9\u0627\u0647\u0634 \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u06cc<\/strong>\u0648\u062a <strong>\u062f\u0633\u062a \u0632\u062f\u0646 \u0628\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f<\/strong>\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u0686\u062a \u0642\u0648\u06cc \u0648 \u06a9\u0627\u0631\u0622\u0645\u062f \u0628\u0633\u0627\u0632\u06cc\u062f. <\/p>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u067e\u0647\u0646\u0627\u06cc \u0628\u0627\u0646\u062f \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0646\u0627\u0628\u0639 \u0628\u0633\u06cc\u0627\u0631 \u0639\u0627\u0644\u06cc \u0647\u0633\u062a\u0646\u062f \u060c \u0646\u0638\u0627\u0631\u062a \u0648 \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u0645\u0646\u0638\u0645 \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0631\u0627\u06cc \u0633\u0627\u0632\u06af\u0627\u0631\u06cc \u0628\u0627 \u067e\u0627\u06cc\u0647 \u0647\u0627\u06cc \u062f\u0631 \u062d\u0627\u0644 \u0631\u0634\u062f \u0648 \u062a\u0642\u0627\u0636\u0627\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0647 \u0647\u0645\u0627\u0646 \u0627\u0646\u062f\u0627\u0632\u0647 \u0645\u0647\u0645 \u0627\u0633\u062a.<\/p>\n<hr\/>\n<p><strong>\u0627\u0632 \u06a9\u062f\u0627\u0645 \u06cc\u06a9 \u0627\u0632 \u0627\u06cc\u0646 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u061f \u0622\u06cc\u0627 \u062f\u0631 \u0628\u0627\u06a9\u062a\u0631\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0686\u062a \u062e\u0648\u062f \u0628\u0627 \u062a\u0646\u06af\u0646\u0627\u0647\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc \u0631\u0648\u0628\u0631\u0648 \u0634\u062f\u0647 \u0627\u06cc\u062f\u061f<\/strong> \u062f\u0631 \u0646\u0638\u0631\u0627\u062a \u0628\u0647 \u0645\u0646 \u0627\u0637\u0644\u0627\u0639 \u062f\u0647\u06cc\u062f!<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u062f\u0631 \u0633\u0627\u062e\u062a \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u0686\u062a \u06cc\u0627 \u0647\u0631 \u0633\u06cc\u0633\u062a\u0645 \u067e\u06cc\u0627\u0645 \u0631\u0633\u0627\u0646\u06cc \u062f\u0631 \u0632\u0645\u0627\u0646 \u0648\u0627\u0642\u0639\u06cc \u060c \u0645\u062f\u06cc\u0631\u06cc\u062a \u067e\u0647\u0646\u0627\u06cc \u0628\u0627\u0646\u062f \u0648 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u06a9\u062f \u067e\u0633 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