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Created by voodoo on August 03, 2012 08:42:38 Last update: August 03, 2012 09:31:25
The C function getsockopt lets you get the error codes with the option SO_ERROR . The possible error numbers are defined in the global errno.h . The relevant values are:
#define ETIMEDOUT 110 /* Connection timed out */ ...But here's the whole list on my Linux system ( /usr/include/asm-generic/errno.h ):
#ifndef _ASM_GENERIC_ERRNO_H #define _ASM_GENER...
Created by Fang on November 28, 2011 21:04:15 Last update: November 28, 2011 21:04:15
<h:outputScript target="head"> <![CDATA...Use XML entities:
Created by magnum on October 09, 2011 19:53:26 Last update: October 09, 2011 19:53:50
#include <stdio.h> #include <stdlib.h> #incl...UNIXguide.net explains this option well: This socket option tells the kernel that even if this port is busy (in the TIME_WAIT state), go ahead and reuse it anyway. If it is busy, but with another state, you will still get an address already in use error. It is useful if your server has been shut down, and then restarted right away while sockets are still active on its port. You should be aware that if any unexpected data comes in, it may confuse your server, but while this is possible, it is not likely. It has been pointed out that "A socket is a 5 tuple (proto, local addr, local port, remote addr, remote port). SO_REUSEADDR just says that you...
Created by magnum on September 25, 2011 21:51:23 Last update: September 26, 2011 20:49:22
A simple socket client in C.
#include <stdio.h> #include <stdlib.h> #incl...
Created by voodoo on July 11, 2009 15:14:55 Last update: July 29, 2010 22:45:48
cURL is a command line tool for transferring files with URL syntax. The main purpose and use for cURL is to automate unattended file transfers or sequences of operations. It's really easy to see HTTP headers with curl:
C:\>curl --head http://www.google.com HTTP/1.0 ...or, headers and page together (dump headers to stdout):
$ curl --dump-header - http://www.google.com HTTP/...Download openssl from openssl.org:
C:\>curl --help Usage: curl [options...] <url> ...