<?php

class Vlan {
	private $inDB = false;
	public $id;
	public $trunkid;
	public $flags;
	public $vlannum;
	public $bandwidth;
	public $mac = "00:00:00:00:00:00";
	public $rrdpath;
	public $fullname;

	private function fromRow($row) {
		$retval = new Vlan();
		if ($row) {
			$retval->inDB = true;
			$retval->id =		(int)$row['id'];
			$retval->trunkid =	(int)$row['trunkid'];
			$retval->flags =	(int)$row['flags'];
			$retval->vlannum =	(int)$row['vlannum'];
			$retval->bandwidth =	(int)$row['bandwidth'];
			$retval->mac =		(string)$row['mac'];
			$retval->rrdpath =	(string)$row['rrdpath'];
			$retval->fullname =	(string)$row['fullname'];
		}
		return $retval;
	}

	private function toSql() {
		return "trunkid = '{$this->trunkid}',
			flags = '{$this->flags}',
			vlannum = '{$this->vlannum}',
			bandwidth = '{$this->bandwidth}',
			mac = '".mysql_real_escape_string($this->mac)."'";
	}

	function load($id) {
		$dbh = Database::getInstance();
		$sql = "SELECT v.id, v.trunkid, v.flags, v.vlannum, v.bandwidth, v.mac,
			IF (v.vlannum = 1,
				CONCAT('bridge-', b.id, '/vlan-', t.name, '.rrd'),
				CONCAT('bridge-', b.id, '/vlan-', t.name, '.', v.vlannum, '.rrd')
			) AS rrdpath,
			IF (v.vlannum = 1,
				CONCAT(b.name, ': ', t.name),
				CONCAT(b.name, ': ', t.name, '.', v.vlannum)
			) AS fullname
			FROM vlan v, trunk t, bridge b
			WHERE v.id = '{$id}'
			AND t.id = v.trunkid
			AND b.id = t.bridgeid";

		$dbh->query($sql);
		return self::fromRow($dbh->fetch_assoc());
	}

	function save() {
		$dbh = Database::getInstance();

		if ($this->inDB) {
			$sql = "UPDATE vlan SET ".$this->toSql()."
				WHERE id = '{$this->id}'";
			$dbh->query($sql);

		} else {
			$sql = "INSERT vlan SET ".$this->toSql();

			$dbh->query($sql);
			$this->iNDB = true;
			$this->id = $dbh->insert_id();
		}
	}

	function delete($id) {
		$dbh = Database::getInstance();
		$sql = "DELETE FROM vlan
			WHERE id = '{$id}'";

		$dbh->query($sql);
	}

	function getAll($trunkid = false) {
		$dbh = Database::getInstance();

		$sql = "SELECT v.id, v.trunkid, v.flags, v.vlannum, v.bandwidth, v.mac,
			CONCAT('bridge-', b.id, '/vlan-', t.name, '.', v.vlannum, '.rrd') as rrdpath,
			CONCAT(t.name, '.', v.vlannum) as fullname
			FROM vlan v, trunk t, bridge b
			WHERE ".($trunkid ? "trunkid = '{$trunkid}'" : "1")."
			AND t.id = v.trunkid
			AND b.id = t.bridgeid
			ORDER BY b.name, t.name, v.vlannum";
		$dbh->query($sql);

		$retval = array();
		while ($row = $dbh->fetch_assoc())
			$retval[$row['id']] = self::fromRow($row);

		return $retval;
	}
}

?>