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Full Discussion: Perl or Shell script to read a transaction log in real time
Top Forums Shell Programming and Scripting Perl or Shell script to read a transaction log in real time Post 302291312 by bruno406 on Wednesday 25th of February 2009 11:10:18 AM
Old 02-25-2009
Perl or Shell script to read a transaction log in real time
Hello,
I have a Apache webserver running on RedHat. Its primary function is a proxy server for users accessing the internet. I have a transaction log that logs every transactions of every users. For users trying to access certain sites/content the transactions goes into a 302 redirect loop and the browser eventually throws the error. Basically I need a script that will continuously watch the transaction log in real time and if it sees 5 or more consecutive redirect from the same user to to same site then redirect them to a certain site like http://testsite.com
Below is the transaction log format

sourceIP of the end user <timestamp> content/site being accessed result code

206.40.1.2 [25/Feb/2009:09:13:36 -0600] GET Google HTTP/1.1" 302

So if the script sees something like below then the last redirect would be http://testsite.com

206.40.1.2 [25/Feb/2009:09:13:36 -0600] GET Google HTTP/1.1" 302
206.40.1.2 [25/Feb/2009:09:13:37 -0600] GET Google HTTP/1.1" 302
206.40.1.2 [25/Feb/2009:09:13:38 -0600] GET Google HTTP/1.1" 302
206.40.1.2 [25/Feb/2009:09:13:39 -0600] GET Google HTTP/1.1" 302
206.40.1.2 [25/Feb/2009:09:13:40 -0600] GET Google HTTP/1.1" 302

Any help would be really appreciated.

Thanks

Bruno
 

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LEARN ABOUT REDHAT

httppower

httppower(8)							     powerman							      httppower(8)

NAME

       httppower - communicate with HTTP based power distribution units

SYNOPSIS

       httppower [--url URL]

DESCRIPTION

       httppower  is  a  helper program for powerman which enables it to communicate with HTTP based power distribution units.	It is run interac-
       tively by the powerman daemon.

OPTIONS

       -u, --url URL
	      Set the base URL.

INTERACTIVE COMMANDS

       The following commands are accepted at the httppower> prompt:

       auth user:pass
	      Authenticate to the base URL with specified user and password, using ``basic'' HTTP authentication which sends the user and password
	      over the network in plain text.

       seturl URL
	      Set the base URL.  Overrides the command line option.

       get [URL-suffix]
	      Send an HTTP GET to the base URL with the optional URL-suffix appended.

       post [URL-suffix] key=val[&key=val]...
	      Send an HTTP POST to the base URL with the optional URL-suffix appended, and key-value pairs as argument.

FILES

       /usr/sbin/httppower
       /etc/powerman/powerman.conf

ORIGIN

       PowerMan was originally developed by Andrew Uselton on LLNL's Linux clusters.  This software is open source and distributed under the terms
       of the GNU GPL.

SEE ALSO

       powerman(1), powermand(8), httppower(8), plmpower(8), vpcd(8), powerman.conf(5), powerman.dev(5), powerman-devices(7).

       http://sourceforge.net/projects/powerman

powerman-2.3.5							    2009-02-09							      httppower(8)
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