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			236 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			236 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
| <?php
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| 
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| require_once 'config.php';
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| 
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| /**
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|  * Show dashboard page.
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|  */
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| function DisplayDashboard(&$extraFooterScripts)
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| {
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| 
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|     $status = new StatusMessages();
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|     // Need this check interface name for proper shell execution.
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|     if (!preg_match('/^([a-zA-Z0-9]+)$/', RASPI_WIFI_CLIENT_INTERFACE)) {
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|         $status->addMessage(_('Interface name invalid.'), 'danger');
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|         $status->showMessages();
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|         return;
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|     }
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| 
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|     if (!function_exists('exec')) {
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|         $status->addMessage(_('Required exec function is disabled. Check if exec is not added to php disable_functions.'), 'danger');
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|         $status->showMessages();
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|         return;
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|     }
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| 
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|     exec('ip a show '.RASPI_WIFI_CLIENT_INTERFACE, $stdoutIp);
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|     $stdoutIpAllLinesGlued = implode(" ", $stdoutIp);
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|     $stdoutIpWRepeatedSpaces = preg_replace('/\s\s+/', ' ', $stdoutIpAllLinesGlued);
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| 
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|     preg_match('/link\/ether ([0-9a-f:]+)/i', $stdoutIpWRepeatedSpaces, $matchesMacAddr) || $matchesMacAddr[1] = _('No MAC Address Found');
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|     $macAddr = $matchesMacAddr[1];
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| 
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|     $ipv4Addrs = '';
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|     $ipv4Netmasks = '';
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|     if (!preg_match_all('/inet (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\/([0-3][0-9])/i', $stdoutIpWRepeatedSpaces, $matchesIpv4AddrAndSubnet, PREG_SET_ORDER)) {
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|         $ipv4Addrs = _('No IPv4 Address Found');
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|     } else {
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|         foreach ($matchesIpv4AddrAndSubnet as $inet) {
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|             $address = $inet[1];
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|             $suffix  = (int) $inet[2];
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|             $netmask = long2ip(-1 << (32 - $suffix));
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| 
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|             $ipv4Addrs    .= " $address";
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|             $ipv4Netmasks .= " $netmask";
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|         }
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|         $ipv4Addrs    = trim($ipv4Addrs);
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|         $ipv4Netmasks = trim($ipv4Netmasks);
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|     }
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|     $ipv4Netmasks = empty($ipv4Netmasks) ? "-" : $ipv4Netmasks;
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| 
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|     $ipv6Addrs = '';
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|     if (!preg_match_all('/inet6 ([a-f0-9:]+)/i', $stdoutIpWRepeatedSpaces, $matchesIpv6Addr)) {
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|         $ipv6Addrs = _('No IPv6 Address Found');
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|     } else {
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|         if (isset($matchesIpv6Addr[1])) {
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|             $ipv6Addrs = implode(' ', $matchesIpv6Addr[1]);
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|         }
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|     }
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| 
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|     preg_match('/state (UP|DOWN)/i', $stdoutIpWRepeatedSpaces, $matchesState) || $matchesState[1] = 'unknown';
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|     $interfaceState = $matchesState[1];
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| 
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|     // Because of table layout used in the ip output we get the interface statistics directly from
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|     // the system. One advantage of this is that it could work when interface is disable.
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|     exec('cat /sys/class/net/'.RASPI_WIFI_CLIENT_INTERFACE.'/statistics/rx_packets ', $stdoutCatRxPackets);
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|     $strRxPackets = _('No data');
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|     if (ctype_digit($stdoutCatRxPackets[0])) {
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|         $strRxPackets = $stdoutCatRxPackets[0];
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|     }
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| 
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|     exec('cat /sys/class/net/'.RASPI_WIFI_CLIENT_INTERFACE.'/statistics/tx_packets ', $stdoutCatTxPackets);
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|     $strTxPackets = _('No data');
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|     if (ctype_digit($stdoutCatTxPackets[0])) {
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|         $strTxPackets = $stdoutCatTxPackets[0];
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|     }
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| 
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|     exec('cat /sys/class/net/'.RASPI_WIFI_CLIENT_INTERFACE.'/statistics/rx_bytes ', $stdoutCatRxBytes);
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|     $strRxBytes = _('No data');
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|     if (ctype_digit($stdoutCatRxBytes[0])) {
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|         $strRxBytes = $stdoutCatRxBytes[0];
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|         $strRxBytes .= getHumanReadableDatasize($strRxBytes);
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|     }
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| 
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|     exec('cat /sys/class/net/'.RASPI_WIFI_CLIENT_INTERFACE.'/statistics/tx_bytes ', $stdoutCatTxBytes);
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|     $strTxBytes = _('No data');
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|     if (ctype_digit($stdoutCatTxBytes[0])) {
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|         $strTxBytes = $stdoutCatTxBytes[0];
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|         $strTxBytes .= getHumanReadableDatasize($strTxBytes);
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|     }
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| 
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|     define('SSIDMAXLEN', 32);
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|     // Warning iw comes with: "Do NOT screenscrape this tool, we don't consider its output stable."
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|     exec('iw dev '.RASPI_WIFI_CLIENT_INTERFACE.' link ', $stdoutIw);
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|     $stdoutIwAllLinesGlued = implode(' ', $stdoutIw);
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|     $stdoutIwWRepSpaces = preg_replace('/\s\s+/', ' ', $stdoutIwAllLinesGlued);
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| 
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|     preg_match('/Connected to (([0-9A-Fa-f]{2}:){5}([0-9A-Fa-f]{2}))/', $stdoutIwWRepSpaces, $matchesBSSID) || $matchesBSSID[1] = '';
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|     $connectedBSSID = $matchesBSSID[1];
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|     $connectedBSSID = empty($connectedBSSID) ? "-" : $connectedBSSID;
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| 
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|     $wlanHasLink = false;
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|     if ($interfaceState === 'UP') {
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|         $wlanHasLink = true;
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|     }
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| 
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|     if (!preg_match('/SSID: ([^ ]{1,'.SSIDMAXLEN.'})/', $stdoutIwWRepSpaces, $matchesSSID)) {
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|         $wlanHasLink = false;
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|         $matchesSSID[1] = 'None';
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|     }
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| 
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|     $connectedSSID = $matchesSSID[1];
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| 
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|     preg_match('/freq: (\d+)/i', $stdoutIwWRepSpaces, $matchesFrequency) || $matchesFrequency[1] = '';
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|     $frequency = $matchesFrequency[1].' MHz';
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| 
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|     preg_match('/signal: (-?[0-9]+ dBm)/i', $stdoutIwWRepSpaces, $matchesSignal) || $matchesSignal[1] = '';
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|     $signalLevel = $matchesSignal[1];
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|     $signalLevel = empty($signalLevel) ? "-" : $signalLevel;
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| 
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|     preg_match('/tx bitrate: ([0-9\.]+ [KMGT]?Bit\/s)/', $stdoutIwWRepSpaces, $matchesBitrate) || $matchesBitrate[1] = '';
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|     $bitrate = $matchesBitrate[1];
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|     $bitrate = empty($bitrate) ? "-" : $bitrate;
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| 
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|     // txpower is now displayed on iw dev(..) info command, not on link command.
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|     exec('iw dev '.RASPI_WIFI_CLIENT_INTERFACE.' info ', $stdoutIwInfo);
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|     $stdoutIwInfoAllLinesGlued = implode(' ', $stdoutIwInfo);
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|     $stdoutIpInfoWRepSpaces = preg_replace('/\s\s+/', ' ', $stdoutIwInfoAllLinesGlued);
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| 
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|     preg_match('/txpower ([0-9\.]+ dBm)/i', $stdoutIpInfoWRepSpaces, $matchesTxPower) || $matchesTxPower[1] = '';
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|     $txPower = $matchesTxPower[1];
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| 
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|     // iw does not have the "Link Quality". This is a is an aggregate value,
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|     // and depends on the driver and hardware.
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|     // Display link quality as signal quality for now.
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|     $strLinkQuality = 0;
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|     if ($signalLevel > -100 && $wlanHasLink) {
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|         if ($signalLevel >= 0) {
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|             $strLinkQuality = 100;
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|         } else {
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|             $strLinkQuality = 100 + $signalLevel;
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|         }
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|     }
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| 
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|     $wlan0up = false;
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|     $classMsgDevicestatus = 'warning';
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|     if ($interfaceState === 'UP') {
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|         $wlan0up = true;
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|         $classMsgDevicestatus = 'success';
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|     }
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| 
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| 
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|     if (!RASPI_MONITOR_ENABLED) {
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|         if (isset($_POST['ifdown_wlan0'])) {
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|             // Pressed stop button
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|             if ($interfaceState === 'UP') {
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|                 $status->addMessage(sprintf(_('Interface is going %s.'), _('down')), 'warning');
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|                 exec('sudo ip link set '.RASPI_WIFI_CLIENT_INTERFACE.' down');
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|                 $wlan0up = false;
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|                 $status->addMessage(sprintf(_('Interface is now %s.'), _('down')), 'success');
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|             } elseif ($interfaceState === 'unknown') {
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|                 $status->addMessage(_('Interface state unknown.'), 'danger');
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|             } else {
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|                 $status->addMessage(sprintf(_('Interface already %s.'), _('down')), 'warning');
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|             }
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|         } elseif (isset($_POST['ifup_wlan0'])) {
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|             // Pressed start button
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|             if ($interfaceState === 'DOWN') {
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|                 $status->addMessage(sprintf(_('Interface is going %s.'), _('up')), 'warning');
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|                 exec('sudo ip link set ' . RASPI_WIFI_CLIENT_INTERFACE . ' up');
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|                 exec('sudo ip -s a f label ' . RASPI_WIFI_CLIENT_INTERFACE);
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|                 $wlan0up = true;
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|                 $status->addMessage(sprintf(_('Interface is now %s.'), _('up')), 'success');
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|             } elseif ($interfaceState === 'unknown') {
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|                 $status->addMessage(_('Interface state unknown.'), 'danger');
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|             } else {
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|                 $status->addMessage(sprintf(_('Interface already %s.'), _('up')), 'warning');
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|             }
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|         } else {
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|             $status->addMessage(sprintf(_('Interface is %s.'), strtolower($interfaceState)), $classMsgDevicestatus);
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|         }
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|     }
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| 
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|     echo renderTemplate(
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|         "dashboard", compact(
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|             "status",
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|             "ipv4Addrs",
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|             "ipv4Netmasks",
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|             "ipv6Addrs",
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|             "macAddr",
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|             "strRxPackets",
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|             "strRxBytes",
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|             "strTxPackets",
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|             "strTxBytes",
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|             "connectedSSID",
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|             "connectedBSSID",
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|             "bitrate",
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|             "signalLevel",
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|             "txPower",
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|             "frequency",
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|             "strLinkQuality",
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|             "wlan0up"
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|         )
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|     );
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|     $extraFooterScripts[] = array('src'=>'app/js/dashboardchart.js', 'defer'=>false);
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| }
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| 
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| 
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| /**
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|  * Get a human readable data size string from a number of bytes.
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|  *
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|  * @param  long $numbytes  The number of bytes.
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|  * @param  int  $precision The number of numbers to round to after the dot/comma.
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|  * @return string Data size in units: PB, TB, GB, MB or KB otherwise an empty string.
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|  */
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| function getHumanReadableDatasize($numbytes, $precision = 2)
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| {
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|     $humanDatasize = '';
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|     $kib = 1024;
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|     $mib = $kib * 1024;
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|     $gib = $mib * 1024;
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|     $tib = $gib * 1024;
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|     $pib = $tib * 1024;
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|     if ($numbytes >= $pib) {
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|         $humanDatasize = ' ('.round($numbytes / $pib, $precision).' PB)';
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|     } elseif ($numbytes >= $tib) {
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|         $humanDatasize = ' ('.round($numbytes / $tib, $precision).' TB)';
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|     } elseif ($numbytes >= $gib) {
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|         $humanDatasize = ' ('.round($numbytes / $gib, $precision).' GB)';
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|     } elseif ($numbytes >= $mib) {
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|         $humanDatasize = ' ('.round($numbytes / $mib, $precision).' MB)';
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|     } elseif ($numbytes >= $kib) {
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|         $humanDatasize = ' ('.round($numbytes / $kib, $precision).' KB)';
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|     }
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| 
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|     return $humanDatasize;
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| }
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