109 lines
3.6 KiB
C#
109 lines
3.6 KiB
C#
using System.Globalization;
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using Mono.Unix.Native;
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using MoonCore.Attributes;
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namespace MoonlightServers.Daemon.App.Helpers;
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[Singleton]
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public class HostHelper
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{
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public async Task<string> GetCpuModel()
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{
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var lines = await File.ReadAllLinesAsync("/proc/cpuinfo");
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foreach (var line in lines)
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{
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if (line.StartsWith("model name"))
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return line.Split(":")[1].Trim();
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}
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return "Unknown processor";
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}
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public async Task<double[]> GetCpuUsage()
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{
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var linesBefore = await File.ReadAllLinesAsync("/proc/stat");
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await Task.Delay(1000); // Wait for 1 second
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var linesAfter = await File.ReadAllLinesAsync("/proc/stat");
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var cpuDataBefore = linesBefore
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.Where(line => line.StartsWith("cpu"))
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.Select(line => line.Split([" "], StringSplitOptions.RemoveEmptyEntries).Skip(1).Select(long.Parse)
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.ToArray())
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.ToList();
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var cpuDataAfter = linesAfter
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.Where(line => line.StartsWith("cpu"))
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.Select(line => line.Split([" "], StringSplitOptions.RemoveEmptyEntries).Skip(1).Select(long.Parse)
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.ToArray())
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.ToList();
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var numCores = Environment.ProcessorCount;
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var cpuUsagePerCore = new double[numCores];
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for (var i = 0; i < numCores; i++)
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{
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var beforeIdle = cpuDataBefore[i][3];
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var beforeTotal = cpuDataBefore[i].Sum();
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var afterIdle = cpuDataAfter[i][3];
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var afterTotal = cpuDataAfter[i].Sum();
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double idleDelta = afterIdle - beforeIdle;
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double totalDelta = afterTotal - beforeTotal;
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var usage = 100.0 * (1.0 - idleDelta / totalDelta);
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cpuUsagePerCore[i] = usage;
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}
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return cpuUsagePerCore;
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}
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public async Task<TimeSpan> GetUptime()
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{
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var uptimeText = await File.ReadAllTextAsync("/proc/uptime");
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var values = uptimeText.Split(" ");
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var seconds = double.Parse(values[0], CultureInfo.InvariantCulture);
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return TimeSpan.FromSeconds(seconds);
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}
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public async Task<long[]> GetMemoryDetails()
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{
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var result = new long[6];
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var memInfoText = await File.ReadAllLinesAsync("/proc/meminfo");
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foreach (var line in memInfoText)
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{
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if (line.StartsWith("MemTotal:"))
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result[0] = 1024 * long.Parse(line.Replace("MemTotal:", "").Replace("kB", "").Trim());
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if (line.StartsWith("MemFree:"))
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result[1] = 1024 * long.Parse(line.Replace("MemFree:", "").Replace("kB", "").Trim());
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if (line.StartsWith("MemAvailable:"))
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result[2] = 1024 * long.Parse(line.Replace("MemAvailable:", "").Replace("kB", "").Trim());
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if (line.StartsWith("Cached:"))
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result[3] = 1024 * long.Parse(line.Replace("Cached:", "").Replace("kB", "").Trim());
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if (line.StartsWith("SwapTotal:"))
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result[4] = 1024 * long.Parse(line.Replace("SwapTotal:", "").Replace("kB", "").Trim());
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if (line.StartsWith("SwapFree:"))
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result[5] = 1024 * long.Parse(line.Replace("SwapFree:", "").Replace("kB", "").Trim());
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}
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return result;
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}
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public async Task<ulong[]> GetDiskUsage() // 0, Total size - 1, Free size, - 3, Total inodes - 4, free inodes
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{
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var sysCallRes = Syscall.statvfs("/", out var buf);
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if (sysCallRes == -1)
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return [0, 0, 0, 0];
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return [buf.f_blocks * buf.f_frsize, buf.f_bfree * buf.f_frsize, buf.f_files, buf.f_ffree];
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}
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} |