{"id":3675,"date":"2018-05-15T15:09:21","date_gmt":"2018-05-15T20:09:21","guid":{"rendered":"https:\/\/blogs.mathworks.com\/videos\/?p=3675"},"modified":"2018-10-02T18:32:22","modified_gmt":"2018-10-02T23:32:22","slug":"building-a-web-server-monitoring-app-part-1-reading-streaming-log-files","status":"publish","type":"post","link":"https:\/\/blogs.mathworks.com\/videos\/2018\/05\/15\/building-a-web-server-monitoring-app-part-1-reading-streaming-log-files\/","title":{"rendered":"Building a Web Server Monitoring App, Part 1: Reading Streaming Log Files"},"content":{"rendered":"<p>This will be one of a few posts where I work on building an app that will visualize traffic to a web server, letting me monitor it as its being used. I plan to use App Designer, then deploy the app to the web, which was a new feature in R2018a. But before I do that, I need to figure out how to read the log files, and do it continuously as they get updated during the day.<\/p>\n<p>Features covered in this <a href=\"https:\/\/blogs.mathworks.com\/videos\/2015\/10\/29\/matlab-code-along-videos\/\">code-along<\/a> style video include:<\/p>\n<ul>\n<li><tt>textscan<\/tt>, <tt>fopen<\/tt>, <tt>fseek<\/tt>, and <tt>ftell<\/tt><\/li>\n<li>datetime functions<\/li>\n<p><\/ ul> <\/p>\n<p><div class=\"row\"><div class=\"col-xs-12 containing-block\"><div class=\"bc-outer-container add_margin_20\"><videoplayer><div class=\"video-js-container\"><video data-video-id=\"5785204887001\" data-video-category=\"blog\" data-autostart=\"false\" data-account=\"62009828001\" data-omniture-account=\"mathwgbl\" data-player=\"rJ9XCz2Sx\" data-embed=\"default\" id=\"mathworks-brightcove-player\" class=\"video-js\" controls><\/video><script src=\"\/\/players.brightcove.net\/62009828001\/rJ9XCz2Sx_default\/index.min.js\"><\/script><script>if (typeof(playerLoaded) === 'undefined') {var playerLoaded = false;}(function isVideojsDefined() {if (typeof(videojs) !== 'undefined') {videojs(\"mathworks-brightcove-player\").on('loadedmetadata', function() {playerLoaded = true;});} else {setTimeout(isVideojsDefined, 10);}})();<\/script><\/div><\/videoplayer><\/div><\/div><\/div><\/p>\n<p>Play the video in full screen mode for a better viewing experience.\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"thumbnail thumbnail_asset asset_overlay video\"><a href=\"https:\/\/blogs.mathworks.com\/videos\/2018\/05\/15\/building-a-web-server-monitoring-app-part-1-reading-streaming-log-files\/?dir=autoplay\"><img decoding=\"async\" src=\"https:\/\/cf-images.us-east-1.prod.boltdns.net\/v1\/static\/62009828001\/0a6d94e8-47af-4085-a807-534d681a1514\/8b0b7899-35ba-4989-96d4-72e6aa4bdf90\/1280x720\/match\/image.jpg\" onError=\"this.style.display ='none';\"\/><\/p>\n<div class=\"overlay_container\">\n      <span class=\"icon-video icon_color_null\"><time class=\"video_length\">59:44<\/time><\/span>\n      <\/div>\n<p>      <\/a><\/div>\n<p>This will be one of a few posts where I work on building an app that will visualize traffic to a web server, letting me monitor it as its being used. I plan to use App Designer, then deploy the app&#8230; <a class=\"read-more\" href=\"https:\/\/blogs.mathworks.com\/videos\/2018\/05\/15\/building-a-web-server-monitoring-app-part-1-reading-streaming-log-files\/\">read more >><\/a><\/p>\n","protected":false},"author":133,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[27,4],"tags":[],"_links":{"self":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/3675"}],"collection":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/users\/133"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/comments?post=3675"}],"version-history":[{"count":9,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/3675\/revisions"}],"predecessor-version":[{"id":3927,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/3675\/revisions\/3927"}],"wp:attachment":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/media?parent=3675"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/categories?post=3675"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/tags?post=3675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}