• Http Collector Plugin
• Introduction
• Installation
• XML configuration parameters
• Author

Http Collector Plugin

Introduction

This plugin adds the http collector type. It can get and parse web pages using the GET method.

Installation

Follow the Torrus installation guide for the main software installation.

Unpack the plugin distribution package in some directory:

  gzip -dc tp-httpcollector-1.X.tar.gz | tar xvf -

Then run the Torrus plugin installation utility:

  torrus install_plugin tp-httpcollector-1.X

Restart all Torrus processes, including Apache HTTP daemon.

That is all, now you can use the parameters described below in your XML configuration.

The plugin distribution adds the following files that you can use in your setup:

• vendor/apache.httpd.xml
  
Templates for Apache server-status checking, for Apache versions 1.0 and 2.0.
• examples/localhost-apache1.xml, examples/localhost-apache2.xml
  
Sample configurations for Apache server-status, Apache version 1.0 and 2.0 correspondingly. The statistics are placed into localhost/HTTP_Stats subtree.

XML configuration parameters

• collector-type
  
New value http is supported by this plugin.
• http-url
  
Mandatory when collector-type=http.
• http-timeout
  
Mandatory when collector-type=http.
• http-object
  
Mandatory when collector-type=http. Specifies an object to look for in the web page.The object is an RPN expression containing search-items. A search-item takes the following form:

        lineNumber:/pattern/

LineNumber my be a number or *, * means treat the whole web page as one single line. The pattern is a regular expression and must contain a (). The value between () will be replaced in the RPN before it is evaluated.

Author

Copyright (c) 2003-2004 Christian Schnidrig <christian.schnidrig@bluewin.ch>