namespace Admin.NET.Core; public static class ComputerUtil { /// /// 内存信息 /// /// public static MemoryMetrics GetComputerInfo() { MemoryMetricsClient client = new(); MemoryMetrics memoryMetrics = IsUnix() ? client.GetUnixMetrics() : client.GetWindowsMetrics(); memoryMetrics.FreeRam = Math.Round(memoryMetrics.Free / 1024, 2) + "GB"; memoryMetrics.UsedRam = Math.Round(memoryMetrics.Used / 1024, 2) + "GB"; memoryMetrics.TotalRam = Math.Round(memoryMetrics.Total / 1024, 2) + "GB"; memoryMetrics.RamRate = Math.Ceiling(100 * memoryMetrics.Used / memoryMetrics.Total).ToString() + "%"; memoryMetrics.CpuRate = Math.Ceiling(GetCPURate().ParseToDouble()) + "%"; return memoryMetrics; } /// /// 磁盘信息 /// /// public static List GetDiskInfos() { List diskInfos = new(); if (IsUnix()) { string output = ShellUtil.Bash("df -m / | awk '{print $2,$3,$4,$5,$6}'"); var arr = output.Split('\n', StringSplitOptions.RemoveEmptyEntries); if (arr.Length == 0) return diskInfos; var rootDisk = arr[1].Split(' ', (char)StringSplitOptions.RemoveEmptyEntries); if (rootDisk == null || rootDisk.Length == 0) return diskInfos; DiskInfo diskInfo = new() { DiskName = "/", TotalSize = long.Parse(rootDisk[0]) / 1024, Used = long.Parse(rootDisk[1]) / 1024, AvailableFreeSpace = long.Parse(rootDisk[2]) / 1024, AvailablePercent = decimal.Parse(rootDisk[3].Replace("%", "")) }; diskInfos.Add(diskInfo); } else { var driv = DriveInfo.GetDrives().Where(u => u.IsReady); foreach (var item in driv) { if (item.DriveType == DriveType.CDRom) continue; var obj = new DiskInfo() { DiskName = item.Name, TypeName = item.DriveType.ToString(), TotalSize = item.TotalSize / 1024 / 1024 / 1024, AvailableFreeSpace = item.AvailableFreeSpace / 1024 / 1024 / 1024, }; obj.Used = obj.TotalSize - obj.AvailableFreeSpace; obj.AvailablePercent = decimal.Ceiling(obj.Used / (decimal)obj.TotalSize * 100); diskInfos.Add(obj); } } return diskInfos; } /// /// 获取外网IP地址 /// /// public static string GetIpFromOnline() { var url = "http://myip.ipip.net"; var stream = url.GetAsStreamAsync().GetAwaiter().GetResult(); var streamReader = new StreamReader(stream.Stream, stream.Encoding); var html = streamReader.ReadToEnd(); return html.Replace("当前 IP:", "").Replace("来自于:", ""); } public static bool IsUnix() { return RuntimeInformation.IsOSPlatform(OSPlatform.OSX) || RuntimeInformation.IsOSPlatform(OSPlatform.Linux); } public static string GetCPURate() { string cpuRate; if (IsUnix()) { string output = ShellUtil.Bash("top -b -n1 | grep \"Cpu(s)\" | awk '{print $2 + $4}'"); cpuRate = output.Trim(); } else { string output = ShellUtil.Cmd("wmic", "cpu get LoadPercentage"); cpuRate = output.Replace("LoadPercentage", string.Empty).Trim(); } return cpuRate; } /// /// 获取系统运行时间 /// /// public static string GetRunTime() { string runTime = string.Empty; if (IsUnix()) { string output = ShellUtil.Bash("uptime -s").Trim(); runTime = DateTimeUtil.FormatTime((DateTime.Now - output.ParseToDateTime()).TotalMilliseconds.ToString().Split('.')[0].ParseToLong()); } else { string output = ShellUtil.Cmd("wmic", "OS get LastBootUpTime/Value"); string[] outputArr = output.Split('=', (char)StringSplitOptions.RemoveEmptyEntries); if (outputArr.Length == 2) runTime = DateTimeUtil.FormatTime((DateTime.Now - outputArr[1].Split('.')[0].ParseToDateTime()).TotalMilliseconds.ToString().Split('.')[0].ParseToLong()); } return runTime; } } /// /// 内存信息 /// public class MemoryMetrics { [JsonIgnore] public double Total { get; set; } [JsonIgnore] public double Used { get; set; } [JsonIgnore] public double Free { get; set; } /// /// 已用内存 /// public string UsedRam { get; set; } /// /// CPU使用率% /// public string CpuRate { get; set; } /// /// 总内存 GB /// public string TotalRam { get; set; } /// /// 内存使用率 % /// public string RamRate { get; set; } /// /// 空闲内存 /// public string FreeRam { get; set; } } /// /// 磁盘信息 /// public class DiskInfo { /// /// 磁盘名 /// public string DiskName { get; set; } /// /// 类型名 /// public string TypeName { get; set; } /// /// 总剩余 /// public long TotalFree { get; set; } /// /// 总量 /// public long TotalSize { get; set; } /// /// 已使用 /// public long Used { get; set; } /// /// 可使用 /// public long AvailableFreeSpace { get; set; } /// /// 使用百分比 /// public decimal AvailablePercent { get; set; } } public class MemoryMetricsClient { /// /// windows系统获取内存信息 /// /// public MemoryMetrics GetWindowsMetrics() { string output = ShellUtil.Cmd("wmic", "OS get FreePhysicalMemory,TotalVisibleMemorySize /Value"); var metrics = new MemoryMetrics(); var lines = output.Trim().Split('\n', (char)StringSplitOptions.RemoveEmptyEntries); if (lines.Length <= 0) return metrics; var freeMemoryParts = lines[0].Split('=', (char)StringSplitOptions.RemoveEmptyEntries); var totalMemoryParts = lines[1].Split('=', (char)StringSplitOptions.RemoveEmptyEntries); metrics.Total = Math.Round(double.Parse(totalMemoryParts[1]) / 1024, 0); metrics.Free = Math.Round(double.Parse(freeMemoryParts[1]) / 1024, 0);//m metrics.Used = metrics.Total - metrics.Free; return metrics; } /// /// Unix系统获取 /// /// public MemoryMetrics GetUnixMetrics() { string output = ShellUtil.Bash("free -m | awk '{print $2,$3,$4,$5,$6}'"); var metrics = new MemoryMetrics(); var lines = output.Split('\n', (char)StringSplitOptions.RemoveEmptyEntries); if (lines.Length <= 0) return metrics; if (lines != null && lines.Length > 0) { var memory = lines[1].Split(' ', (char)StringSplitOptions.RemoveEmptyEntries); if (memory.Length >= 3) { metrics.Total = double.Parse(memory[0]); metrics.Used = double.Parse(memory[1]); metrics.Free = double.Parse(memory[2]);//m } } return metrics; } } public class ShellUtil { /// /// linux 系统命令 /// /// /// public static string Bash(string command) { var escapedArgs = command.Replace("\"", "\\\""); var process = new Process() { StartInfo = new ProcessStartInfo { FileName = "/bin/bash", Arguments = $"-c \"{escapedArgs}\"", RedirectStandardOutput = true, UseShellExecute = false, CreateNoWindow = true, } }; process.Start(); string result = process.StandardOutput.ReadToEnd(); process.WaitForExit(); process.Dispose(); return result; } /// /// windows系统命令 /// /// /// /// public static string Cmd(string fileName, string args) { string output = string.Empty; var info = new ProcessStartInfo(); info.FileName = fileName; info.Arguments = args; info.RedirectStandardOutput = true; using (var process = Process.Start(info)) { output = process.StandardOutput.ReadToEnd(); } return output; } }