<?php
// Observium DB Port Datasource.

// TARGET obs_port:device_id|hostname:ifIndex|ifAlias
// We prefer device_id to survive hostname changes and we prefer ifIndex to survive irritating add/removals.
// ifAlias is provided for those who prefer. Probably won't be used officially, though.

class WeatherMapDataSource_obsdb extends WeatherMapDataSource {

	function Init(&$map)
	{
		if(! function_exists("dbFetchRow") ) return FALSE;
		return(TRUE);
	}

	// Return TRUE if we can handle this target string
	function Recognise($targetstring)
	{
		if(preg_match("/^obs_port:([^:]+):([^:]+)$/",$targetstring,$matches)) { return TRUE; } else { return FALSE;	}
	}

	function ReadData($targetstring, &$map, &$item)
	{
		$data[IN] = NULL;
		$data[OUT] = NULL;
		$data_time = 0;
		
		if(preg_match("/^obs_port:([^:]+):([^:]+)$/",$targetstring,$matches))
		{

      //r($matches);

      // Get device from Observium DB by device_id or by hostname
      if(is_numeric($matches[1])) { $device = device_by_id_cache($matches[1]); } else { $device = device_by_name($matches[1]); }
      if(is_array($device))
			{
				if(is_numeric($matches[1]))
				{
					$port = get_port_by_ifIndex($device['device_id'], $matches[2]);
				} else {
					$port = get_port_by_ifAlias($device['device_id'], $matches[2]);
				}

				if(is_array($port))
				{
					$data[IN]  = $port['ifInOctets_rate']*8;
					$data[OUT] = $port['ifOutOctets_rate']*8;
					$data_time = $port['poll_time'];

					$item->add_note("Errors Rate",  $port['ifErrors_rate']);
					$item->add_note("PPS In Rate", $port['ifInNUcastPkts_rate'] + $port['ifInUcastPkts_rate']);
					$item->add_note("PPS Out Rate", $port['ifOutNUcastPkts_rate'] + $port['ifOutUcastPkts_rate']);

				} else { wm_warn("ObsPortDB: Couldn't find port"); }
			} else { wm_warn("ObsPortDB: Couldn't find device"); }
		}
		
		wm_debug ("ObsPortDB ReadData: Returning (".($data[IN]===NULL?'NULL':$data[IN]).",".($data[OUT]===NULL?'NULL':$data[IN]).",$data_time)\n");
		
		return( array($data[IN], $data[OUT], $data_time) );
	}
}

// vim:ts=4:sw=4:
?>