네트워크 사용량 이력 차트 추가

public/api.php

@@ -947,6 +947,11 @@ function os_info(): array
 function network_info(): array
 {
     $rows = [];
+    $defaultInterface = '';
+    $route = trim((string)sh(['/usr/sbin/ip', 'route', 'show', 'default'], false, 3)['out']);
+    if (preg_match('/\bdev\s+([^\s]+)/', $route, $matches)) {
+        $defaultInterface = (string)$matches[1];
+    }
 
     foreach (glob('/sys/class/net/*') ?: [] as $dir) {
         $name = basename($dir);
@@ -957,22 +962,38 @@ function network_info(): array
 
         $rx = (int)first_readable([$dir . '/statistics/rx_bytes']);
         $tx = (int)first_readable([$dir . '/statistics/tx_bytes']);
+        $rxPackets = (int)first_readable([$dir . '/statistics/rx_packets']);
+        $txPackets = (int)first_readable([$dir . '/statistics/tx_packets']);
+        $rxErrors = (int)first_readable([$dir . '/statistics/rx_errors']);
+        $txErrors = (int)first_readable([$dir . '/statistics/tx_errors']);
+        $rxDropped = (int)first_readable([$dir . '/statistics/rx_dropped']);
+        $txDropped = (int)first_readable([$dir . '/statistics/tx_dropped']);
 
         $rows[] = [
             'name' => $name,
+            'default' => $name === $defaultInterface,
             'state' => first_readable([$dir . '/operstate']) ?: 'unknown',
             'carrier' => first_readable([$dir . '/carrier']) === '1' ? 'up' : 'down',
             'mac' => first_readable([$dir . '/address']) ?: 'N/A',
             'mtu' => first_readable([$dir . '/mtu']) ?: 'N/A',
             'rx_bytes' => $rx,
             'tx_bytes' => $tx,
+            'rx_packets' => $rxPackets,
+            'tx_packets' => $txPackets,
+            'rx_errors' => $rxErrors,
+            'tx_errors' => $txErrors,
+            'rx_dropped' => $rxDropped,
+            'tx_dropped' => $txDropped,
             'rx_human' => bytes_human($rx),
             'tx_human' => bytes_human($tx),
             'ipv4' => trim(sh(['/usr/sbin/ip', '-4', '-o', 'addr', 'show', 'dev', $name], false, 3)['out']) ?: 'N/A',
         ];
     }
 
-    return $rows;
+    return [
+        'default_interface' => $defaultInterface,
+        'interfaces' => $rows,
+    ];
 }
 
 function latest_sensor(): array
@@ -4381,6 +4402,7 @@ function collect_snapshot(bool $applyFan = true): array
         'battery' => $battery,
 
         'wifi' => wifi_data(),
+        'network' => network_info(),
         'history' => $history,
         'processes' => $processes,
         'custom_services' => custom_systemd_services(),