네트워크 이력 DB 저장 전환

public/api.php

@@ -996,6 +996,152 @@ function network_info(): array
     ];
 }
 
+function primary_network_interface(array $network): ?array
+{
+    $rows = is_array($network['interfaces'] ?? null) ? $network['interfaces'] : [];
+    $preferred = (string)($network['default_interface'] ?? 'eth0');
+
+    foreach ($rows as $row) {
+        if (($row['name'] ?? '') === $preferred) {
+            return $row;
+        }
+    }
+
+    foreach ($rows as $row) {
+        if (($row['name'] ?? '') === 'eth0') {
+            return $row;
+        }
+    }
+
+    foreach ($rows as $row) {
+        if (($row['carrier'] ?? '') === 'up' && ($row['name'] ?? '') !== 'br0') {
+            return $row;
+        }
+    }
+
+    return $rows[0] ?? null;
+}
+
+function add_network_usage_log(array $network): void
+{
+    $iface = primary_network_interface($network);
+    if (!$iface) {
+        return;
+    }
+
+    $name = (string)($iface['name'] ?? '');
+    $rxBytes = isset($iface['rx_bytes']) ? (int)$iface['rx_bytes'] : -1;
+    $txBytes = isset($iface['tx_bytes']) ? (int)$iface['tx_bytes'] : -1;
+    $rxPackets = isset($iface['rx_packets']) ? (int)$iface['rx_packets'] : -1;
+    $txPackets = isset($iface['tx_packets']) ? (int)$iface['tx_packets'] : -1;
+    if ($name === '' || $rxBytes < 0 || $txBytes < 0 || $rxPackets < 0 || $txPackets < 0) {
+        return;
+    }
+
+    $pdo = db();
+    $stmt = $pdo->prepare("
+        SELECT
+            recorded_at,
+            rx_bytes,
+            tx_bytes,
+            rx_packets,
+            tx_packets,
+            TIMESTAMPDIFF(MICROSECOND, recorded_at, NOW(3)) AS elapsed_us
+        FROM network_usage_logs
+        WHERE iface = :iface
+        ORDER BY id DESC
+        LIMIT 1
+    ");
+    $stmt->execute([':iface' => $name]);
+    $previous = $stmt->fetch() ?: null;
+
+    $rxMbps = null;
+    $txMbps = null;
+    $rxPps = null;
+    $txPps = null;
+    if ($previous) {
+        $seconds = max(0.0, (float)($previous['elapsed_us'] ?? 0) / 1000000);
+        if ($seconds < 0.8) {
+            return;
+        }
+
+        $rxDelta = $rxBytes - (int)$previous['rx_bytes'];
+        $txDelta = $txBytes - (int)$previous['tx_bytes'];
+        $rxPacketDelta = $rxPackets - (int)$previous['rx_packets'];
+        $txPacketDelta = $txPackets - (int)$previous['tx_packets'];
+        if ($seconds > 0 && $seconds <= 60 && $rxDelta >= 0 && $txDelta >= 0 && $rxPacketDelta >= 0 && $txPacketDelta >= 0) {
+            $rxMbps = round(($rxDelta * 8) / $seconds / 1000000, 4);
+            $txMbps = round(($txDelta * 8) / $seconds / 1000000, 4);
+            $rxPps = round($rxPacketDelta / $seconds, 2);
+            $txPps = round($txPacketDelta / $seconds, 2);
+        }
+    }
+
+    $stmt = $pdo->prepare("
+        INSERT INTO network_usage_logs
+            (
+                iface,
+                rx_bytes,
+                tx_bytes,
+                rx_packets,
+                tx_packets,
+                rx_mbps,
+                tx_mbps,
+                rx_pps,
+                tx_pps,
+                create_ip
+            )
+        VALUES
+            (
+                :iface,
+                :rx_bytes,
+                :tx_bytes,
+                :rx_packets,
+                :tx_packets,
+                :rx_mbps,
+                :tx_mbps,
+                :rx_pps,
+                :tx_pps,
+                :create_ip
+            )
+    ");
+    $stmt->execute([
+        ':iface' => $name,
+        ':rx_bytes' => $rxBytes,
+        ':tx_bytes' => $txBytes,
+        ':rx_packets' => $rxPackets,
+        ':tx_packets' => $txPackets,
+        ':rx_mbps' => $rxMbps,
+        ':tx_mbps' => $txMbps,
+        ':rx_pps' => $rxPps,
+        ':tx_pps' => $txPps,
+        ':create_ip' => $_SERVER['REMOTE_ADDR'] ?? 'cli',
+    ]);
+}
+
+function network_usage_history(int $limit = 240): array
+{
+    $limit = max(1, min(1500, $limit));
+    $stmt = db()->query("
+        SELECT
+            recorded_at AS time,
+            iface,
+            rx_mbps,
+            tx_mbps,
+            rx_pps,
+            tx_pps
+        FROM network_usage_logs
+        WHERE rx_mbps IS NOT NULL
+            AND tx_mbps IS NOT NULL
+            AND rx_pps IS NOT NULL
+            AND tx_pps IS NOT NULL
+        ORDER BY id DESC
+        LIMIT {$limit}
+    ");
+
+    return array_reverse($stmt->fetchAll());
+}
+
 function latest_sensor(): array
 {
     $stmt = db()->query("
@@ -4382,6 +4528,9 @@ function collect_snapshot(bool $applyFan = true): array
 
     $processes = process_resource_data((int)setting_value('display.process_limit'));
     $fanSpike = fan_spike_analysis($history, $fan, $system, $processes);
+    $network = network_info();
+    add_network_usage_log($network);
+    $networkHistory = network_usage_history(240);
 
     $shouldLogNotice = !empty($fanSpike['alert_started'])
         || (!empty($fanSpike['active']) && (bool)setting_value('notice.log_during_alert'));
@@ -4402,7 +4551,8 @@ function collect_snapshot(bool $applyFan = true): array
         'battery' => $battery,
 
         'wifi' => wifi_data(),
-        'network' => network_info(),
+        'network' => $network,
+        'network_history' => $networkHistory,
         'history' => $history,
         'processes' => $processes,
         'custom_services' => custom_systemd_services(),