SystemMetricsService::getRamUsage() - Code Metrics - Inspection of "Add missing SystemMetricsService" - NNTmux/newznab-tmux - Measure and Improve Code Quality continuously with Scrutinizer

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by Darko

created 2025-10-27 07:29 UTC

SystemMetricsService::getRamUsage() B

↳ Parent: SystemMetricsService

Complexity

Conditions	8
Paths	19

Size

Total Lines	46
Code Lines	32

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	32
c	1
b	0
f	0
dl	0
loc	46
rs	8.1635
cc	8
nc	19
nop	0

<?php

namespace App\Services;

use App\Models\SystemMetric;
use Illuminate\Support\Facades\Log;

class SystemMetricsService
{
    /**
     * Collect and store current system metrics
     */
    public function collectMetrics(): void
    {
        $cpuUsage = $this->getCpuUsage();
        $ramUsage = $this->getRamUsage();

        $now = now();

        // Store CPU metric
        SystemMetric::create([
            'metric_type' => 'cpu',
            'value' => $cpuUsage,
            'recorded_at' => $now,
        ]);

        // Store RAM metric (percentage)
        SystemMetric::create([
            'metric_type' => 'ram',
            'value' => $ramUsage['percentage'],
            'recorded_at' => $now,
        ]);
    }

    /**
     * Get historical metrics grouped by hour for the last N hours
     */
    public function getHourlyMetrics(string $type, int $hours = 24): array
    {
        $startDate = now()->subHours($hours);

        $metrics = SystemMetric::where('metric_type', $type)
            ->where('recorded_at', '>=', $startDate)
            ->orderBy('recorded_at')
            ->get();

        // Group by hour and calculate average
        $hourlyData = [];
        foreach ($metrics as $metric) {
            $hourKey = $metric->recorded_at->format('Y-m-d H:00');
            $hourLabel = $metric->recorded_at->format('H:i');

            if (! isset($hourlyData[$hourKey])) {
                $hourlyData[$hourKey] = [
                    'time' => $hourLabel,
                    'values' => [],
                ];
            }
            $hourlyData[$hourKey]['values'][] = $metric->value;
        }

        // Calculate averages
        $result = [];
        foreach ($hourlyData as $data) {
            $result[] = [
                'time' => $data['time'],
                'value' => round(array_sum($data['values']) / count($data['values']), 2),
            ];
        }

        // Fill missing hours with null or last known value
        return $this->fillMissingHours($result, $hours);
    }

    /**
     * Get historical metrics grouped by day for the last N days
     */
    public function getDailyMetrics(string $type, int $days = 30): array
    {
        $startDate = now()->subDays($days);

        $metrics = SystemMetric::where('metric_type', $type)
            ->where('recorded_at', '>=', $startDate)
            ->orderBy('recorded_at')
            ->get();

        // Group by day and calculate average
        $dailyData = [];
        foreach ($metrics as $metric) {
            $dayKey = $metric->recorded_at->format('Y-m-d');
            $dayLabel = $metric->recorded_at->format('M d');

            if (! isset($dailyData[$dayKey])) {
                $dailyData[$dayKey] = [
                    'time' => $dayLabel,
                    'values' => [],
                ];
            }
            $dailyData[$dayKey]['values'][] = $metric->value;
        }

        // Calculate averages
        $result = [];
        foreach ($dailyData as $data) {
            $result[] = [
                'time' => $data['time'],
                'value' => round(array_sum($data['values']) / count($data['values']), 2),
            ];
        }

        return $result;
    }

    /**
     * Fill missing hours with previous value or 0
     */
    protected function fillMissingHours(array $data, int $hours): array
    {
        if (empty($data)) {
            // Generate empty data points for all hours
            $result = [];
            for ($i = $hours - 1; $i >= 0; $i--) {
                $time = now()->subHours($i);
                $result[] = [
                    'time' => $time->format('H:i'),
                    'value' => 0,
                ];
            }

            return $result;
        }

        return $data;
    }

    /**
     * Get current CPU usage percentage
     */
    protected function getCpuUsage(): float
    {
        try {
            if (PHP_OS_FAMILY === 'Windows') {
                $output = shell_exec('wmic cpu get loadpercentage');
                if ($output) {
                    preg_match('/\d+/', $output, $matches);

                    return (float) ($matches[0] ?? 0);
                }
            } else {
                // Linux - use load average
                $load = sys_getloadavg();
                if ($load !== false) {
                    $cpuCount = $this->getCpuCount();

                    return round(($load[0] / $cpuCount) * 100, 2);
                }
            }
        } catch (\Exception $e) {
            Log::warning('Could not get CPU usage: '.$e->getMessage());
        }

        return 0;
    }

    /**
     * Get number of CPU cores
     */
    protected function getCpuCount(): int
    {
        try {
            if (PHP_OS_FAMILY === 'Windows') {
                $output = shell_exec('wmic cpu get NumberOfLogicalProcessors');
                if ($output) {
                    preg_match('/\d+/', $output, $matches);

                    return (int) ($matches[0] ?? 1);
                }
            } else {
                $cpuinfo = file_get_contents('/proc/cpuinfo');
                preg_match_all('/^processor/m', $cpuinfo, $matches);

                return count($matches[0]) ?: 1;
            }
        } catch (\Exception $e) {
            return 1;
        }

        return 1;
    }

    /**
     * Get RAM usage information
     */
    protected function getRamUsage(): array
    {
        try {
            if (PHP_OS_FAMILY === 'Windows') {
                $output = shell_exec('wmic OS get FreePhysicalMemory,TotalVisibleMemorySize /Value');
                if ($output) {
                    preg_match('/FreePhysicalMemory=(\d+)/', $output, $free);
                    preg_match('/TotalVisibleMemorySize=(\d+)/', $output, $total);

                    if (isset($free[1]) && isset($total[1])) {
                        $freeKb = (float) $free[1];
                        $totalKb = (float) $total[1];
                        $usedKb = $totalKb - $freeKb;

                        return [
                            'used' => round($usedKb / 1024 / 1024, 2),
                            'total' => round($totalKb / 1024 / 1024, 2),
                            'percentage' => round(($usedKb / $totalKb) * 100, 2),
                        ];
                    }
                }
            } else {
                $meminfo = file_get_contents('/proc/meminfo');
                preg_match('/MemTotal:\s+(\d+)/', $meminfo, $total);
                preg_match('/MemAvailable:\s+(\d+)/', $meminfo, $available);

                if (isset($total[1]) && isset($available[1])) {
                    $totalKb = (float) $total[1];
                    $availableKb = (float) $available[1];
                    $usedKb = $totalKb - $availableKb;

                    return [
                        'used' => round($usedKb / 1024 / 1024, 2),
                        'total' => round($totalKb / 1024 / 1024, 2),
                        'percentage' => round(($usedKb / $totalKb) * 100, 2),
                    ];
                }
            }
        } catch (\Exception $e) {
            Log::warning('Could not get RAM usage: '.$e->getMessage());
        }

        return [
            'used' => 0,
            'total' => 0,
            'percentage' => 0,
        ];
    }

    /**
     * Clean up old metrics (keep last 60 days)
     */
    public function cleanupOldMetrics(int $daysToKeep = 60): int
    {
        return SystemMetric::cleanupOldMetrics($daysToKeep);
    }
}


1			<?php
2
3			namespace App\Services;
4
5			use App\Models\SystemMetric;
6			use Illuminate\Support\Facades\Log;
7
8			class SystemMetricsService
9			{
10			/**
11			* Collect and store current system metrics
12			*/
13			public function collectMetrics(): void
14			{
15			$cpuUsage = $this->getCpuUsage();
16			$ramUsage = $this->getRamUsage();
17
18			$now = now();
19
20			// Store CPU metric
21			SystemMetric::create([
22			'metric_type' => 'cpu',
23			'value' => $cpuUsage,
24			'recorded_at' => $now,
25			]);
26
27			// Store RAM metric (percentage)
28			SystemMetric::create([
29			'metric_type' => 'ram',
30			'value' => $ramUsage['percentage'],
31			'recorded_at' => $now,
32			]);
33			}
34
35			/**
36			* Get historical metrics grouped by hour for the last N hours
37			*/
38			public function getHourlyMetrics(string $type, int $hours = 24): array
39			{
40			$startDate = now()->subHours($hours);
41
42			$metrics = SystemMetric::where('metric_type', $type)
43			->where('recorded_at', '>=', $startDate)
44			->orderBy('recorded_at')
45			->get();
46
47			// Group by hour and calculate average
48			$hourlyData = [];
49			foreach ($metrics as $metric) {
50			$hourKey = $metric->recorded_at->format('Y-m-d H:00');
51			$hourLabel = $metric->recorded_at->format('H:i');
52
53			if (! isset($hourlyData[$hourKey])) {
54			$hourlyData[$hourKey] = [
55			'time' => $hourLabel,
56			'values' => [],
57			];
58			}
59			$hourlyData[$hourKey]['values'][] = $metric->value;
60			}
61
62			// Calculate averages
63			$result = [];
64			foreach ($hourlyData as $data) {
65			$result[] = [
66			'time' => $data['time'],
67			'value' => round(array_sum($data['values']) / count($data['values']), 2),
68			];
69			}
70
71			// Fill missing hours with null or last known value
72			return $this->fillMissingHours($result, $hours);
73			}
74
75			/**
76			* Get historical metrics grouped by day for the last N days
77			*/
78			public function getDailyMetrics(string $type, int $days = 30): array
79			{
80			$startDate = now()->subDays($days);
81
82			$metrics = SystemMetric::where('metric_type', $type)
83			->where('recorded_at', '>=', $startDate)
84			->orderBy('recorded_at')
85			->get();
86
87			// Group by day and calculate average
88			$dailyData = [];
89			foreach ($metrics as $metric) {
90			$dayKey = $metric->recorded_at->format('Y-m-d');
91			$dayLabel = $metric->recorded_at->format('M d');
92
93			if (! isset($dailyData[$dayKey])) {
94			$dailyData[$dayKey] = [
95			'time' => $dayLabel,
96			'values' => [],
97			];
98			}
99			$dailyData[$dayKey]['values'][] = $metric->value;
100			}
101
102			// Calculate averages
103			$result = [];
104			foreach ($dailyData as $data) {
105			$result[] = [
106			'time' => $data['time'],
107			'value' => round(array_sum($data['values']) / count($data['values']), 2),
108			];
109			}
110
111			return $result;
112			}
113
114			/**
115			* Fill missing hours with previous value or 0
116			*/
117			protected function fillMissingHours(array $data, int $hours): array
118			{
119			if (empty($data)) {
120			// Generate empty data points for all hours
121			$result = [];
122			for ($i = $hours - 1; $i >= 0; $i--) {
123			$time = now()->subHours($i);
124			$result[] = [
125			'time' => $time->format('H:i'),
126			'value' => 0,
127			];
128			}
129
130			return $result;
131			}
132
133			return $data;
134			}
135
136			/**
137			* Get current CPU usage percentage
138			*/
139			protected function getCpuUsage(): float
140			{
141			try {
142			if (PHP_OS_FAMILY === 'Windows') {
143			$output = shell_exec('wmic cpu get loadpercentage');
144			if ($output) {
145			preg_match('/\d+/', $output, $matches);
146
147			return (float) ($matches[0] ?? 0);
148			}
149			} else {
150			// Linux - use load average
151			$load = sys_getloadavg();
152			if ($load !== false) {
153			$cpuCount = $this->getCpuCount();
154
155			return round(($load[0] / $cpuCount) * 100, 2);
156			}
157			}
158			} catch (\Exception $e) {
159			Log::warning('Could not get CPU usage: '.$e->getMessage());
160			}
161
162			return 0;
163			}
164
165			/**
166			* Get number of CPU cores
167			*/
168			protected function getCpuCount(): int
169			{
170			try {
171			if (PHP_OS_FAMILY === 'Windows') {
172			$output = shell_exec('wmic cpu get NumberOfLogicalProcessors');
173			if ($output) {
174			preg_match('/\d+/', $output, $matches);
175
176			return (int) ($matches[0] ?? 1);
177			}
178			} else {
179			$cpuinfo = file_get_contents('/proc/cpuinfo');
180			preg_match_all('/^processor/m', $cpuinfo, $matches);
181
182			return count($matches[0]) ?: 1;
183			}
184			} catch (\Exception $e) {
185			return 1;
186			}
187
188			return 1;
189			}
190
191			/**
192			* Get RAM usage information
193			*/
194			protected function getRamUsage(): array
195			{
196			try {
197			if (PHP_OS_FAMILY === 'Windows') {
198			$output = shell_exec('wmic OS get FreePhysicalMemory,TotalVisibleMemorySize /Value');
199			if ($output) {
200			preg_match('/FreePhysicalMemory=(\d+)/', $output, $free);
201			preg_match('/TotalVisibleMemorySize=(\d+)/', $output, $total);
202
203			if (isset($free[1]) && isset($total[1])) {
204			$freeKb = (float) $free[1];
205			$totalKb = (float) $total[1];
206			$usedKb = $totalKb - $freeKb;
207
208			return [
209			'used' => round($usedKb / 1024 / 1024, 2),
210			'total' => round($totalKb / 1024 / 1024, 2),
211			'percentage' => round(($usedKb / $totalKb) * 100, 2),
212			];
213			}
214			}
215			} else {
216			$meminfo = file_get_contents('/proc/meminfo');
217			preg_match('/MemTotal:\s+(\d+)/', $meminfo, $total);
218			preg_match('/MemAvailable:\s+(\d+)/', $meminfo, $available);
219
220			if (isset($total[1]) && isset($available[1])) {
221			$totalKb = (float) $total[1];
222			$availableKb = (float) $available[1];
223			$usedKb = $totalKb - $availableKb;
224
225			return [
226			'used' => round($usedKb / 1024 / 1024, 2),
227			'total' => round($totalKb / 1024 / 1024, 2),
228			'percentage' => round(($usedKb / $totalKb) * 100, 2),
229			];
230			}
231			}
232			} catch (\Exception $e) {
233			Log::warning('Could not get RAM usage: '.$e->getMessage());
234			}
235
236			return [
237			'used' => 0,
238			'total' => 0,
239			'percentage' => 0,
240			];
241			}
242
243			/**
244			* Clean up old metrics (keep last 60 days)
245			*/
246			public function cleanupOldMetrics(int $daysToKeep = 60): int
247			{
248			return SystemMetric::cleanupOldMetrics($daysToKeep);
249			}
250			}
251

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