Sorry for the thread hacking but, how could be run camping as standalone CGI -- Sent from my Android phone with K-9 Mail. Please excuse my brevity.
Bluebie <a...@creativepony.com> escribió: >Unless you’re running your camping app as a CGI script, the ruby >instance keeps running, so you could just create a looping thread to do >it every now and then: > >hours = 2 # cleanup every two hours >Thread.new do > loop do > # some database cleanup stuff > sleep hours * 60 * 60 > end >end > >The only trouble with that is you’d have it happening multiple times if >you run multiple ruby servers behind a proxy like nginx, which is a >pretty common configuration. Probably cron is the best way to go if you >can easily do that. Otherwise you could attach it to some other event - >like you could spawn a thread whenever a user logs in, which cleans up >the sessions. If you wanted it to happen less frequently you could use >rand() to generate a random number, then, say, cleanup if rand < 0.01 >if you only wanted to cleanup sessions every 1 out of 100 times someone >logs in, roughly. That’s a stratergy people use a lot with systems like >PHP where cron can be difficult to setup and access. > >I wouldn’t worry about it too much though. Your sessions will probably >still be quite small (only a couple dozen kilobytes, right?) so you can >probably just let them build up and then every six months or year or so >go and delete all the database records that are more than a week old in >that table. Storage is so cheap these days! > >— >Bluebie > > >On Tuesday, 10 December 2013 at 9:29 pm, Francois Sery wrote: > >> Bonjour, >> Thanks for your help. Here is how i've modified my app. >> now i have >> - a 'session' model >> - a "sessions" table with a column for my data... >> - a session cookie: @state[:sessionid]=SecureRandom.hex >> It works as wanted but i have one more question. >> >> how do you handle all the obsolete sessions in the database ? my >code already delete some sessions. but some other sessions can't be >deleted from the "flow" of my app. What are the available solutions? >cron ? or something else maybe? >> >> Merci. >> >> >> >> >> 2013/12/7 Bluebie <a...@creativepony.com (mailto:a...@creativepony.com)> >> > If you fill the session cookie with 4kb of data, that means every >http request after that to that domain will require the user to upload >4kb of data, which may not seem like much, but on a mobile phone for >instance, loading a page with 50 images, that becomes 4*50 = 200kb - >pretty significant considering most home internet connections do not >have very fast upload in many countries. On my own internet on a good >day that’s at least 2 seconds of uploading. >> > >> > So it is best to use session cookies only to store a very small >identifier, then store more information in a local database or file. If >you have a look in the rack project you’ll see some other session >handlers which do exactly this, so you can keep writing data in to the >‘session’ but have it stored locally, with only a small cookie with an >ID number to lookup the local data stored in to the browser. >> > >> > — >> > Bluebie >> > >> > >> > On Saturday, 7 December 2013 at 8:27 am, Charles McKnight wrote: >> > >> > > Sure wish the W3C would devise a better state mechanism than >cookies... >> > > >> > > On Dec 6, 2013, at 12:49 PM, Magnus Holm <judo...@gmail.com >(mailto:judo...@gmail.com)> wrote: >> > > >> > > > You should not store a large amount of data in the session. The >> > > > session is stored in a cookie, and everything you store there >has to >> > > > be sent back and forth over the network. You can however store >an ID >> > > > in the session and lookup data in your database. >> > > > >> > > > // Magnus Holm >> > > > >> > > > >> > > > On Tue, Dec 3, 2013 at 12:04 PM, Francois Sery ><sery.franc...@gmail.com (mailto:sery.franc...@gmail.com)> wrote: >> > > > > hi , i need some advices. >> > > > > I a little Camping app i have to store a cart in a session . >i tried >> > > > > achieving it using the default camping/session but it is >limited to 4K and >> > > > > my card miss some data. >> > > > > how can store more than 4k in a session ? thanks. >> > > > > >> > > > > _______________________________________________ >> > > > > Camping-list mailing list >> > > > > Camping-list@rubyforge.org >(mailto:Camping-list@rubyforge.org) >> > > > > http://rubyforge.org/mailman/listinfo/camping-list >> > > > > >> > > > >> > > > _______________________________________________ >> > > > Camping-list mailing list >> > > > Camping-list@rubyforge.org (mailto:Camping-list@rubyforge.org) >> > > > http://rubyforge.org/mailman/listinfo/camping-list >> > > > >> > > >> > > >> > > "The game's afoot. Follow your spirit, and upon this charge, cry >God for Harry, England, and St. George." --- Sherlock Holmes >> > > >> > > _______________________________________________ >> > > Camping-list mailing list >> > > Camping-list@rubyforge.org (mailto:Camping-list@rubyforge.org) >> > > http://rubyforge.org/mailman/listinfo/camping-list >> > > >> > > >> > > >> > >> > >> > >> > _______________________________________________ >> > Camping-list mailing list >> > Camping-list@rubyforge.org (mailto:Camping-list@rubyforge.org) >> > http://rubyforge.org/mailman/listinfo/camping-list >> >> _______________________________________________ >> Camping-list mailing list >> Camping-list@rubyforge.org (mailto:Camping-list@rubyforge.org) >> http://rubyforge.org/mailman/listinfo/camping-list >> >> > > > > >------------------------------------------------------------------------ > >_______________________________________________ >Camping-list mailing list >Camping-list@rubyforge.org >http://rubyforge.org/mailman/listinfo/camping-list
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