function graph_main()
{
global $rrddb_path;
global $rrdtool_path;
global $rrdtool_version;
// reading parameters
if (isset($_GET['type'])) {
$type = $_GET['type'];
} else {
header("Content-Type: text/plain");
echo "Error: missing graph type\n";
graph_info();
return;
}
isset($_GET['start']) ? $start = $_GET['start'] : ($start = -86400);
isset($_GET['end']) ? $end = $_GET['end'] : ($end = -300);
isset($_GET['width']) ? $width = $_GET['width'] : ($width = 600);
isset($_GET['height']) ? $height = $_GET['height'] : ($height = 120);
isset($_GET['thumb']) ? $thumb = "-j" : ($thumb = "");
isset($_GET['cached']) ? $cached = true : ($cached = false);
if (isset($_GET['node'])) {
$gxml = simplexml_node_file($_GET['node'], $cached);
$node = $_GET['node'];
} else {
header("Content-Type: text/plain");
echo "Error: missing node\n";
graph_info();
return;
}
if (isset($_GET['radio'])) {
$device = $_GET['radio'];
}
if (isset($_GET['device'])) {
$device = $_GET['device'];
}
switch ($type) {
case 'pings':
case 'device':
case 'radio':
if (empty($device)) {
header("Content-Type: text/plain");
echo "Error: missing graph type\n";
graph_info();
return;
}
break;
}
$radios = array();
$key = 0;
if ($start == 0) {
$start = -86400;
}
if ($end == 0) {
$start = -300;
}
$color = array('#0000FF', '#FF0000', '#FFCC00', '#66CCFF', '#000000', '#00CC00', '#990000', '#FFFF00', '#800000', '#C0FFC0', '#FFDCA8', '#008000', '#A0A0A0', '#0000FF', '#FF0000', '#FFCC00', '#66CCFF', '#000000', '#00CC00', '#990000', '#FFFF00', '#800000', '#C0FFC0', '#FFDCA8', '#008000', '#A0A0A0', '#0000FF', '#FF0000', '#FFCC00', '#66CCFF', '#000000', '#00CC00', '#990000', '#FFFF00', '#800000', '#C0FFC0', '#FFDCA8', '#008000', '#A0A0A0', '#0000FF', '#FF0000', '#FFCC00', '#66CCFF', '#000000', '#00CC00', '#990000', '#FFFF00', '#800000', '#C0FFC0', '#FFDCA8', '#008000', '#A0A0A0');
$cmd = '';
if (isset($device)) {
//---------- XML Start Xpath Query-----------------------------------
$radio_xml = $gxml->xpath('//device[@id=' . $device . ']');
$radio_attr = $radio_xml[0]->attributes();
//---------- XML End Xpath Query -----------------------------------
}
if (isset($_GET['direction'])) {
$direction = strtolower($_GET['direction']);
} else {
$direction = 'in';
}
switch ($direction) {
case 'in':
$ds = 'ds0';
$otherdir = 'out';
$otherds = 'ds1';
break;
case 'out':
$ds = 'ds1';
$otherdir = 'in';
$otherds = 'ds0';
break;
}
// Parse variables finalized, going to build the graph
switch ($type) {
case 'supernode':
//---------- XML Start Xpath Query-----------------------------------
$nodestr = array('nick' => '', 'title' => '');
$nodestr['title'] = $gxml->xpath('//node[@id=' . $node . ']/@title');
$nodestr['nick'] = $gxml->xpath('//node[@id=' . $node . ']/@title');
//---------- XML End Xpath Query -----------------------------------
$title = sprintf('Supernode: %s - wLANs %s', $nodestr['nick'][0], $direction);
$vscale = 'bits/sec (bips)';
case 'clients':
$cmd = sprintf(' COMMENT:"%32s%11s%13s%12s%16s\\n"<br />', ' ', 'Now', 'Avg', 'Max', 'Total');
if ($type == 'clients') {
$radios_dev = $radio_xml[0]->xpath('radio');
$traffic = array('in' => 0, 'out' => 0, 'max' => 0);
foreach ($radios_dev as $radio_dev) {
$radio_dev_attr = $radio_dev->attributes();
// print_r($radio_dev_attr);
// print "\n<br>";
$filename = guifi_get_traf_filename($radio_dev_attr['device_id'], $radio_dev_attr['snmp_index'], $radio_dev_attr['snmp_name'], $radio_dev_attr['id']);
$traffic_radio = guifi_get_traffic($filename, $start, $end);
$traffic['in'] = $traffic['in'] + $traffic_radio['in'];
$traffic['out'] = $traffic['out'] + $traffic_radio['out'];
if ($traffic_radio['max'] > $traffic['max']) {
$traffic['max'] = $traffic_radio['max'];
}
$radios[] = array('title' => $radio_dev_attr['ssid'], 'change_direction' => true, 'filename' => $filename, 'max' => $traffic['max'], 'traffic' => $traffic_radio['out']);
}
$title = sprintf('wLAN: %s (%s) - links (%s)', $radio_attr['title'], $otherdir, $direction);
$vscale = 'bits/sec (bips)';
}
$result = array();
//---------- XML Start Xpath Query-----------------------------------
if ($type == 'supernode') {
$result = $gxml->xpath('//node/device/radio');
} else {
$row = simplexml_load_string($radio_xml[0]->asXML());
$linked_radios = $row->xpath('//radio/interface/link');
$remote_clients = array();
foreach ($linked_radios as $linked_radio) {
$linked_radio_attr = $linked_radio->attributes();
$remote_clients[] = (int) $linked_radio_attr['linked_node_id'];
}
$rxml = simplexml_node_file(implode(',', $remote_clients), $cached);
reset($linked_radios);
foreach ($linked_radios as $linked_radio) {
$linked_radio_attr = $linked_radio->attributes();
$result_client = $rxml->xpath('//device[@id=' . $linked_radio_attr['linked_device_id'] . ']/radio');
if (is_array($result_client)) {
$result = array_merge($result, $result_client);
}
}
}
//---------- XML End Xpath Query -----------------------------------
$rdone = array();
if (!empty($result)) {
foreach ($result as $k => $radiodev) {
$radio_attr = $radiodev->attributes();
$dstr = $radio_attr['device_id'] . '-' . $radio_attr['id'];
if (isset($rdone[$dstr])) {
continue;
}
$rdone[$dstr] = true;
$radiofetch['title'] = $radio_attr['ssid'];
$filename = guifi_get_traf_filename($radio_attr['device_id'], $radio_attr['snmp_index'], $radio_attr['snmp_name'], $radio_attr['id']);
if (file_exists($filename)) {
$traffic = guifi_get_traffic($filename, $start, $end);
$radiofetch['change_direction'] = false;
$radiofetch['filename'] = $filename;
$radiofetch['max'] = $traffic['max'];
$radiofetch['traffic'] = $traffic[$direction];
$radios[] = $radiofetch;
$key++;
}
}
}
usort($radios, "cmp_traffic");
$total = array();
foreach ($radios as $r) {
$total['total'] += $r['traffic'];
$total['max'] += $r['max'];
}
// print_r($radios);
$col = 0;
if (isset($_GET['numcli'])) {
if ($_GET['numcli'] == 'max') {
$numcli = count($totals);
} else {
$numcli = $_GET['numcli'];
}
} else {
$numcli = 10;
}
foreach ($radios as $key => $item) {
$totalstr = _guifi_tostrunits($item['traffic']);
if ($type == 'clients' && $item['change_direction']) {
$dir_str = $otherdir;
$datasource = $otherds;
} else {
$datasource = $ds;
$dir_str = $direction;
}
$cmd .= sprintf(' DEF:val%d="%s":%s:AVERAGE', $key, $item['filename'], $datasource);
$cmd .= sprintf(' CDEF:val%da=val%d,8,* ', $key, $key);
$cmd .= sprintf(' LINE1:val%da%s:"%30s %3s"', $key, $color[$col], $item['title'], $dir_str);
$cmd .= sprintf(' <br />GPRINT:val%da:LAST:"%%8.2lf %%s"', $key);
$cmd .= sprintf(' GPRINT:val%da:AVERAGE:"%%8.2lf %%s"', $key);
$cmd .= sprintf(' GPRINT:val%da:MAX:"%%8.2lf %%s"', $key);
$cmd .= sprintf(' COMMENT:"%15s\\n" ', $totalstr);
$cmd .= "<br />";
$col++;
if ($type == 'clients' && $col > $numcli) {
break;
}
}
$cmd .= sprintf(' <br />COMMENT:"TOTAL\\: %83s\\n" ', _guifi_tostrunits($total['total']));
break;
case 'radio':
case 'device':
$cmd = sprintf(' COMMENT:"%32s%11s%13s%12s%16s\\n"<br />', ' ', 'Now', 'Avg', 'Max', 'Total');
$vscale = 'bits/sec (bips)';
$row = simplexml_load_string($radio_xml[0]->asXML());
$w = $row->xpath('//radio');
$w_attr = $w[0];
$title = sprintf('radio: %s - wLAN In & Out', $radio_attr['title']);
if (isset($radio_attr->snmp_index)) {
$filename = guifi_get_traf_filename($radio_attr['id'], $radio_attr['snmp_index'], null, $radio_attr['snmp_index']);
} else {
$filename = guifi_get_traf_filename($w_attr['device_id'], $w_attr['snmp_index'], $w_attr['snmp_name'], $w_attr['id']);
}
$traffic = guifi_get_traffic($filename, $start, $end);
$cmd .= sprintf(' DEF:val0="%s":ds0:AVERAGE', $filename);
$cmd .= ' CDEF:val0a=val0,8,* ';
$cmd .= sprintf(' AREA:val0a#0000FF:"%30s In "', $radio_attr['title']);
$cmd .= ' <br />GPRINT:val0a:LAST:"%8.2lf %s"';
$cmd .= ' GPRINT:val0a:AVERAGE:"%8.2lf %s"';
$cmd .= ' GPRINT:val0a:MAX:"%8.2lf %s"';
$cmd .= sprintf(' COMMENT:"%15s\\n"', _guifi_tostrunits($traffic['in']));
$cmd .= sprintf(' DEF:val1="%s":ds1:AVERAGE', $filename);
$cmd .= ' CDEF:val1a=val1,8,* ';
$cmd .= sprintf(' LINE2:val1a#00FF00:"%30s Out"', $radio_attr['title']);
$cmd .= ' <br />GPRINT:val1a:LAST:"%8.2lf %s"';
$cmd .= ' GPRINT:val1a:AVERAGE:"%8.2lf %s"';
$cmd .= ' GPRINT:val1a:MAX:"%8.2lf %s"';
$cmd .= sprintf(' COMMENT:"%15s\\n"', _guifi_tostrunits($traffic['out']));
break;
case 'pings':
$cmd = sprintf(' COMMENT:"%14s%8s%16s%17s\\n"<br />', ' ', 'Now', 'Avg', 'Max');
$pings = guifi_get_pings($radio_attr['id'], $start, $end);
$vscale = 'latency (secs/1000)';
$title = sprintf('device: %s - ping latency - online (%.2f %%)', $radio_attr['title'], $pings['succeed']);
$filename = $rrddb_path . $radio_attr['id'] . '_ping.rrd';
$cmd .= sprintf(' DEF:val0="%s":ds0:AVERAGE', $filename);
$cmd .= sprintf(' AREA:val0#FFFF00:"%12s "', 'offline');
$cmd .= ' GPRINT:val0:LAST:"%8.2lf %% "';
$cmd .= ' GPRINT:val0:AVERAGE:"%8.2lf %% "';
$cmd .= ' GPRINT:val0:MAX:"%8.2lf %% "';
$cmd .= sprintf(' COMMENT:"Last offline\\: %s\\n"', addcslashes($pings['last_offline'], ':'));
$cmd .= sprintf(' <br />DEF:val1="%s":ds1:AVERAGE', $filename);
$cmd .= sprintf(' LINE2:val1#00FF00:"%12s "', 'latency');
$cmd .= ' GPRINT:val1:LAST:"%8.2lf msec."';
$cmd .= ' GPRINT:val1:AVERAGE:"%8.2lf msec."';
$cmd .= ' GPRINT:val1:MAX:"%8.2lf msec."';
$cmd .= sprintf(' COMMENT:" Last online\\: %s\\n"', addcslashes($pings['last_online'], ':'));
break;
}
//end switch $type:
if ($width < 600) {
$DEFAULT = 7;
$vscale = '';
$LEGEND = 5;
$AXIS = 6;
} else {
$DEFAULT = 10;
$LEGEND = 8;
$AXIS = 8;
}
(isset($rrdtool_version) and $rrdtool_version >= '1.3') ? $fonts = sprintf('--font DEFAULT:%d:Arial --font LEGEND:%d:Courier --font AXIS:%d:Arial', $DEFAULT, $LEGEND, $AXIS) : ($fonts = sprintf('--font DEFAULT:%d: --font LEGEND:%d: --font AXIS:%d:', $DEFAULT, $LEGEND, $AXIS));
$cmd = sprintf("%s graph - %s <br />" . "--title=\"%s\" --imgformat=PNG --width=%d --height=%d %s <br />" . "--vertical-label=\"%s\" --start=%d --end=%d --base=1000 -E <br /> %s ", $rrdtool_path, $fonts, $title, $width, $height, $thumb, $vscale, $start, $end, $cmd);
if (isset($_GET['debug'])) {
header("Content-Type: text/plain");
$shell = explode('<br />', $cmd);
foreach ($shell as $line) {
echo $line . '\\' . "\n";
}
}
$cmd = str_replace('<br />', '', $cmd);
$fp = popen($cmd, "rb");
if (isset($fp)) {
if (!isset($_GET['debug'])) {
header("Content-Type: image/png");
print fpassthru($fp);
}
}
pclose($fp);
}
break;
}
}
$cmd .= sprintf(' <br />COMMENT:"TOTAL\\: %83s\\n" ', _guifi_tostrunits($total['total']));
break;
case 'radio':
$cmd = sprintf(' COMMENT:"%32s%11s%13s%12s%16s\\n"<br />', ' ', 'Now', 'Avg', 'Max', 'Total');
$vscale = 'B/sec';
$row = simplexml_load_string($radio_xml[0]->asXML());
$w = $row->xpath('//radio');
$w_attr = $w[0];
$title = sprintf('radio: %s - wLAN In & Out', $radio_attr['title']);
if (isset($radio_attr->snmp_index)) {
$filename = guifi_get_traf_filename($radio_attr['id'], $radio_attr['snmp_index'], null, $radio_attr['snmp_index']);
} else {
$filename = guifi_get_traf_filename($w_attr['device_id'], $w_attr['snmp_index'], $w_attr['snmp_name'], $w_attr['id']);
}
$traffic = guifi_get_traffic($filename, $start, $end);
$cmd .= sprintf(' DEF:val0="%s":ds0:AVERAGE', $filename);
$cmd .= ' CDEF:val0a=val0,1,* ';
$cmd .= sprintf(' AREA:val0a#0000FF:"%30s In "', $radio_attr['title']);
$cmd .= ' <br />GPRINT:val0a:LAST:"%8.2lf %s"';
$cmd .= ' GPRINT:val0a:AVERAGE:"%8.2lf %s"';
$cmd .= ' GPRINT:val0a:MAX:"%8.2lf %s"';
$cmd .= sprintf(' COMMENT:"%15s\\n"', _guifi_tostrunits($traffic['in']));
$cmd .= sprintf(' DEF:val1="%s":ds1:AVERAGE', $filename);
$cmd .= ' CDEF:val1a=val1,1,* ';
$cmd .= sprintf(' LINE2:val1a#00FF00:"%30s Out"', $radio_attr['title']);
$cmd .= ' <br />GPRINT:val1a:LAST:"%8.2lf %s"';
$cmd .= ' GPRINT:val1a:AVERAGE:"%8.2lf %s"';
$cmd .= ' GPRINT:val1a:MAX:"%8.2lf %s"';