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Search found 165 results on 7 pages for 'sendfile'.

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• Invalid argument in sendfile() with two regular files

  - by Daniel Hershcovich

  I'm trying to test the sendfile() system call under Linux 2.6.32 to zero-copy data between two regular files. As far as I understand, it should work: ever since 2.6.22, sendfile() has been implemented using splice(), and both the input file and the output file can be either regular files or sockets. The following is the content of sendfile_test.c:…

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• Differnce between linux write and sendfile syscall

  - by JosiP

  Hi Im programming webserver (C), which should send big files. My question is: What are the main differneces in two syscalls: write and sendfile. Does sendfile depends on size of socket system buffer ? I noticed that write often writes less then i requested. For example, if got many requests for one file: should i open it, copy into memory and use…

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• Is writing to a socket an arbitrary limitation of the sendfile() syscall?

  - by Sufian

  Prelude sendfile() is an extremely useful syscall for two reasons: First, it's less code than a read()/write() (or recv()/send() if you prefer that jive) loop. Second, it's faster (less syscalls, implementation may copy between devices without buffer, etc...) than the aforementioned methods. Less code. More efficient. Awesome. In UNIX,…

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• How to combine try_files and sendfile on Nginx?

  - by hcalves

  I need Nginx to serve a file relative from document root if it exists, then fallback to an upstream server if it doesn't. This can be accomplished with something like: server { listen 80; server_name localhost; location / { root /var/www/nginx/; try_files $uri @my_upstream; } location…

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• Terminology: opposite of "zero copy"?

  - by Mark Harrison

  We're benchmarking some code that we've converted to use sendfile(), the linux zero-copy system call. What's the term for the traditional read()/write() loop that sendfile() replaces? I.e., in our report I want to say "zerocopy is X millisecs, and ??? is Y millisecs." What word/phrase should I use?

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• Saving animated GIFs using urllib.urlopen (image saved does not animate)

  - by wenbert

  I have Apache2 + Django + X-sendfile. My problem is that when I upload an animated GIF, it won't "animate" when I output through the browser. Here is my code to display the image located outside the public accessible directory. def raw(request,uuid): target = str(uuid).split('.')[:-1][0] image =…

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• upload analogue with XSendFile?

  - by hell.orts.ru

  Is there some way to use something similar to x-sendfile for uploading files, e.g. saving particular stream/parameter from request to file, without putting it wholly into memory? (In particular, with apache2 and ruby fcgi)

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• Send failed from rails server to download in the browser

  - by Markus

  Hi everybody, I have a web application which has some multimedia files stored in a user protected area. To make this files available to logged in customers, I consider using the x-sendfile plugin. x_send_file(path, :type => 'application/pdf') It is just strange that every time I run this function a…

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• Inconsistent responses from ISAPI DLL in mod_isapi.

  - by William Leader

  I have a ISAPI dll which I created with Delphi 2009, and I have been able to test that it functions as designed when I run it inside of IIS 5.1. However when I attempt to host the web service from within Apache on Windows XP using mod_isapi, I do not get consistent results. The ISAPI dll implements a…

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• Install apache modules on MAMP

  - by camupod

  How can I install X-Sendfile apache module so that MAMP can use it? I have followed these instructions to install X-Sendfile, but it didn't work (it seems like it just installed it for the default apache installation). I also tried to manually copy /usr/libexec/apache2/mod_xsendfile.so to…

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• Using extension methods to decrease the surface area of a C# interface

  - by brian_ritchie

  An interface defines a contract to be implemented by one or more classes.  One of the keys to a well-designed interface is defining a very specific range of functionality. The profile of the interface should be limited to a single purpose & should have the minimum methods…

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• Netcat file transfer problem

  - by thepurplepixel

  I have two custom scripts I just wrote to facilitate transferring files between my VPS and my home server. They are both written in bash (short & sweet): To send: #!/bin/bash SENDFILE=$1 PORT=$2 HOST='<my house>' HOSTIP=`host $HOST | grep "has address" | cut…

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• PHP SOAP Transfering Files

  - by blackmage

  Hey, I am new to SOAP and I am trying to learn how to transfer files (.zip files) between a client and server using PHP and SOAP. Currently I have a set up that looks something like this: enter code here require('libraries/nusoap/nusoap.php'); $server = new…

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• How to invalidate nginx reverse proxy cache in front of other nginx servers?

  - by Olivier Lance

  I'm running a Proxmox server on a single IP address, that will dispatch HTTP requests to containers depending on the requested host. I am using nginx on the Proxmox side to listen to HTTP requests and I am using the proxy_pass directive in my different server…

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• Handling file uploads with JavaScript and Google Gears, is there a better solution?

  - by gnarf

  So - I've been using this method of file uploading for a bit, but it seems that Google Gears has poor support for the newer browsers that implement the HTML5 specs. I've heard the word deprecated floating around a few channels, so I'm looking for a…

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• How do I teach my linux command line manners?

  - by Sam152

  Whenever I complete something in the command line while using Ubuntu and my computer does something of value to me, I enjoy saying thank you, just because it's the polite thing to do. A typical conversation might look something like this: …

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• How do I teach my command line manners?

  - by Sam152

  Whenever I complete something in the command line while using Ubuntu and my computer does something of value to me, I enjoy saying thank you, just because it's the polite thing to do. A typical conversation might look something like this: …

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• Converting Lighttpd config to NginX with php-fpm

  - by Le Dude

  Having so much issue with NginX configuration since I'm new with NginX. Been using Lighttpd for quite sometime. Here are the base info. New Machine - CentOS 6.3 64 Bit - NginX 1.2.4-1.e16.ngx - Php-FPM 5.3.18-1.e16.remi Old…

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• Async ignored on AJAX requests on Nginx server

  - by eComEvo

  Despite sending an async request to the server over AJAX, the server will not respond until the previous unrelated request has finished. The following code is only broken in this way on Nginx, but runs perfectly on Apache. This…

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• Apache: get client socket descriptor from request_rec?

  - by Mark Harrison

  I would like to call sendfile() to send some data to the client with as little overhead as possible. Given an Apache struct request_rec, how can I get the fd associated with the client socket?

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• How to navigate to another html page?

  - by newbie

  In my application there's a usual login page sending username and password to the server script, where it needs to be authenticated, and in case of an authentic user, the server should redirect to a page student.html. This is my…

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• How do I serve a binary file through rack?

  - by Chris

  I think I'm being a bit silly here, but I keep getting errors complaining about the SERVER_NAME key missing from the env hash, and I can't find any substantial documentation on Rack::SendFile.. so- how do I serve up files?

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• what is best config for nginx worker_rlimit_nofile and worker_connections 28672

  - by Binh Nguyen

  i have issue of web-brower response ( especially on ie ) very slow, some time time out, and sometime hang out up to 20 seconds for one file redirect 301 when test with "f12 derverloper tool of ie" .. it report wait/start time…

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• Apache Sending "Content-Length : 0" , How to Fix ?

  - by ServerZilla

  Hi, I am using Apache server and it is sending Content-Length = 0 value which is preventing file-downloads, see -…

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• 403 Forbidden

  - by demas

  Here is my Nginx config: user pass users; worker_processes 1; events { worker_connections 1024; } http {…

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