/*******************************************************************************

    Author ......... Arno Streuli
    Contact ........ [email protected]
    Home Site ...... http://cactiusers.org
    Program ........ DB extention for Cacti
    Purpose ........ Add field to the default Cacti DB

*******************************************************************************/

----[ Purpose

	This plugin Add some column to the default DB, mainly used by linkdiscovery

----[ Installation

	To install the plugin, please refer to the Plugin Installation Documentation

    
----[ Possible Bugs?
   
	If you find a problem, let me know!!! http://bugs.cacti.net

----[ Future Changes

	Got any ideas or complaints, please e-mail me!

----[ Changelog

1.0 added the serial number (serial_no) and type of host
1.1.1 added the parsing of any new device if the field type, and serial number is not filled
1.1.2 added a flag for phone (isPhone)
1.1.3 change the default value and type of new db record
1.2.2 Added some function to get the SysObjId and then the serial number
1.2.3 Correction on how the value is retreive and saved after the call to api_device_new
1.2.4 Add 3 fields: login, password, console type (ssh, telnet)
1.3.0 Added ssh function to be able to get serial number en type via ssh
1.3.1 Added support for telnet
1.3.2 Change the information for SN and type, based on a DB table instaed of inside the code
1.3.3 Move the type count from Linkdiscovery, and add serial number in the detail display
1.3.4 Added upgrade mode to image DB
1.3.5 Change the host.type to host.model to be more coherent with other function, so everywhere it's called model
1.3.6 Added filter to display only some model of Switch, based on Extenddb model table	/* add new filter for device */
1.3.7 isPhone was not saved when changed on a device
1.3.8 Add the management for stack (or vss) device, n serials number and n model in the stack, adapted the count of model type
1.4.0 Add 2 news table: serial number, and model all linked to host id tp be able to manage stack of switch (same IP, same name, but can have more than 1 device in it. need to adapt all plug in about it.
1.4.1 Improve the save after an edition of a device
1.4.2 Change the approche of model and serial_number. Filled after a call to host_edit_bottom, and not on the form. Allow to make a call to a function to fill the value manually if empty
1.4.3 Add purge of disabled device that are not connected anymore (test with ping only)
1.4.4 Add check for isWifi device if still reaching by ping or not, if not delete it. add information when running utilities function