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277 lines
13 KiB
PHP
277 lines
13 KiB
PHP
<?php
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/**
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* Show dashboard page.
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*/
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function DisplayDashboard(){
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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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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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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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preg_match('/link\/ether ([0-9a-f:]+)/i', $stdoutIpWRepeatedSpaces, $matchesMacAddr ) || $matchesMacAddr[1] = _('No MAC Address Found');
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$macAddr = $matchesMacAddr[1];
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$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, $matchesIpv4AddrAndSubnet)) {
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$ipv4Addrs = _('No IPv4 Address Found');
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} else {
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$numMatchesIpv4AddrAndSubnet = count($matchesIpv4AddrAndSubnet);
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for ($i = 1; $i < $numMatchesIpv4AddrAndSubnet; $i += 2) {
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if ($i > 2) {
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$ipv4Netmasks .= ' ';
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$ipv4Addrs .= ' ';
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}
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$ipv4Addrs .= $matchesIpv4AddrAndSubnet[$i][0];
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$ipv4Netmasks .= long2ip(-1 << (32 -(int)$matchesIpv4AddrAndSubnet[$i+1][0]));
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}
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}
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$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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$numMatchesIpv6Addr = count($matchesIpv6Addr);
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for ($i = 1; $i < $numMatchesIpv6Addr; ++$i) {
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if ($i > 1) {
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$ipv6Addrs .= ' ';
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}
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$ipv6Addrs .= $matchesIpv6Addr[$i];
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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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// 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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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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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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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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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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preg_match('/Connected to (([0-9A-Fa-f]{2}:){5}([0-9A-Fa-f]{2}))/', $stdoutIwWRepSpaces, $matchesBSSID) || $matchesBSSID[1] = '';
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$connectedBSSID = $matchesBSSID[1];
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$wlanHasLink = false;
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if ($interfaceState === 'UP') {
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$wlanHasLink = true;
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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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$matchesSSID[1] = 'Not connected';
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}
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$connectedSSID = $matchesSSID[1];
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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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preg_match('/signal: (-?[0-9]+ dBm)/i', $stdoutIwWRepSpaces, $matchesSignal) || $matchesSignal[1] = '';
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$signalLevel = $matchesSignal[1];
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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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// 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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preg_match('/txpower ([0-9\.]+ dBm)/i', $stdoutIpInfoWRepSpaces, $matchesTxPower ) || $matchesTxPower[1] = '';
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$txPower = $matchesTxPower[1];
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// iw does not have the "Link Quality". This is a is an aggregate value,
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// and depends on the driver and hardware.
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// Display link quality as signal quality for now.
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$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 + $signalLevel;
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}
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}
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$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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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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<div class="row">
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<div class="col-lg-12">
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<div class="panel panel-primary">
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<div class="panel-heading"><i class="fa fa-dashboard fa-fw"></i> <?php echo _("Dashboard"); ?></div>
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<div class="panel-body">
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<p><?php $status->showMessages(); ?></p>
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<div class="row">
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<div class="col-md-6">
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<div class="panel panel-default">
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<div class="panel-body">
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<h4><?php echo _("Interface Information"); ?></h4>
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<div class="info-item"><?php echo _("Interface Name"); ?></div> <?php echo RASPI_WIFI_CLIENT_INTERFACE; ?><br />
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<div class="info-item"><?php echo _("IPv4 Address"); ?></div> <?php echo htmlspecialchars($ipv4Addrs, ENT_QUOTES); ?><br />
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<div class="info-item"><?php echo _("Subnet Mask"); ?></div> <?php echo htmlspecialchars($ipv4Netmasks, ENT_QUOTES); ?><br />
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<div class="info-item"><?php echo _("IPv6 Address"); ?></div> <?php echo htmlspecialchars($ipv6Addrs, ENT_QUOTES); ?><br />
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<div class="info-item"><?php echo _("Mac Address"); ?></div> <?php echo htmlspecialchars($macAddr, ENT_QUOTES); ?><br /><br />
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<h4><?php echo _("Interface Statistics"); ?></h4>
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<div class="info-item"><?php echo _("Received Packets"); ?></div> <?php echo htmlspecialchars($strRxPackets, ENT_QUOTES); ?><br />
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<div class="info-item"><?php echo _("Received Bytes"); ?></div> <?php echo htmlspecialchars($strRxBytes, ENT_QUOTES); ?><br /><br />
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<div class="info-item"><?php echo _("Transferred Packets"); ?></div> <?php echo htmlspecialchars($strTxPackets, ENT_QUOTES); ?><br />
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<div class="info-item"><?php echo _("Transferred Bytes"); ?></div> <?php echo htmlspecialchars($strTxBytes, ENT_QUOTES); ?><br />
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</div><!-- /.panel-body -->
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</div><!-- /.panel-default -->
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</div><!-- /.col-md-6 -->
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<div class="col-md-6">
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<div class="panel panel-default">
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<div class="panel-body wireless">
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<h4><?php echo _("Wireless Information"); ?></h4>
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<div class="info-item"><?php echo _("Connected To"); ?></div> <?php echo htmlspecialchars($connectedSSID, ENT_QUOTES); ?><br />
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<div class="info-item"><?php echo _("AP Mac Address"); ?></div> <?php echo htmlspecialchars($connectedBSSID, ENT_QUOTES); ?><br />
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<div class="info-item"><?php echo _("Bitrate"); ?></div> <?php echo htmlspecialchars($bitrate, ENT_QUOTES); ?><br />
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<div class="info-item"><?php echo _("Signal Level"); ?></div> <?php echo htmlspecialchars($signalLevel, ENT_QUOTES); ?><br />
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<div class="info-item"><?php echo _("Transmit Power"); ?></div> <?php echo htmlspecialchars($txPower, ENT_QUOTES); ?><br />
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<div class="info-item"><?php echo _("Frequency"); ?></div> <?php echo htmlspecialchars($frequency, ENT_QUOTES); ?><br /><br />
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<div class="info-item"><?php echo _("Link Quality"); ?></div>
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<div class="progress">
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<div class="progress-bar progress-bar-info progress-bar-striped active"
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role="progressbar"
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aria-valuenow="<?php echo htmlspecialchars($strLinkQuality, ENT_QUOTES); ?>" aria-valuemin="0" aria-valuemax="100"
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style="width: <?php echo htmlspecialchars($strLinkQuality, ENT_QUOTES); ?>%;"><?php echo htmlspecialchars($strLinkQuality, ENT_QUOTES); ?>%
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</div>
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</div>
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</div><!-- /.panel-body -->
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</div><!-- /.panel-default -->
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</div><!-- /.col-md-6 -->
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</div><!-- /.row -->
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<div class="col-lg-12">
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<div class="row">
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<form action="?page=wlan0_info" method="POST">
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<?php if ( !$wlan0up ) {
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echo '<input type="submit" class="btn btn-success" value="'._("Start ").RASPI_WIFI_CLIENT_INTERFACE.'" name="ifup_wlan0" />';
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} else {
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echo '<input type="submit" class="btn btn-warning" value="'._("Stop ").RASPI_WIFI_CLIENT_INTERFACE.'" name="ifdown_wlan0" />';
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}
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?>
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<input type="button" class="btn btn-outline btn-primary" value="<?php echo _("Refresh"); ?>" onclick="document.location.reload(true)" />
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</form>
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</div>
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</div>
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</div><!-- /.panel-body -->
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<div class="panel-footer"><?php echo _("Information provided by ip and iw and from system."); ?></div>
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</div><!-- /.panel-default -->
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</div><!-- /.col-lg-12 -->
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</div><!-- /.row -->
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<?php
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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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return $humanDatasize;
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}
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