using System.ComponentModel;
using System.Diagnostics;
using System.Management;
using System.Net.NetworkInformation;
using System.Runtime.InteropServices;
using System.Security;
using Microsoft.VisualBasic.Devices;
using Microsoft.Win32;
using NewLife.Log;
using NewLife.Model;
using NewLife.Serialization;
namespace NewLife;
/// <summary>机器信息</summary>
/// <remarks>
/// 文档 https://newlifex.com/core/machine_info
///
/// 刷新信息成本较高，建议采用单例模式
/// </remarks>
public class MachineInfo
{
#region 属性
/// <summary>系统名称</summary>
[DisplayName("系统名称")]
public String OSName { get; set; }
/// <summary>系统版本</summary>
[DisplayName("系统版本")]
public String OSVersion { get; set; }
/// <summary>产品名称。制造商</summary>
[DisplayName("产品名称")]
public String Product { get; set; }
/// <summary>处理器型号</summary>
[DisplayName("处理器型号")]
public String Processor { get; set; }
///// <summary>处理器序列号</summary>
//public String CpuID { get; set; }
/// <summary>硬件唯一标识。取主板编码，部分品牌存在重复</summary>
[DisplayName("硬件唯一标识")]
public String UUID { get; set; }
/// <summary>软件唯一标识。系统标识，操作系统重装后更新，Linux系统的machine_id，Android的android_id，Ghost系统存在重复</summary>
[DisplayName("软件唯一标识")]
public String Guid { get; set; }
/// <summary>计算机序列号。适用于品牌机，跟笔记本标签显示一致</summary>
[DisplayName("计算机序列号")]
public String Serial { get; set; }
/// <summary>主板。序列号或家族信息</summary>
[DisplayName("主板")]
public String Board { get; set; }
/// <summary>磁盘序列号</summary>
[DisplayName("磁盘序列号")]
public String DiskID { get; set; }
/// <summary>内存总量。单位Byte</summary>
[DisplayName("内存总量")]
public UInt64 Memory { get; set; }
/// <summary>可用内存。单位Byte</summary>
[DisplayName("可用内存")]
public UInt64 AvailableMemory { get; set; }
/// <summary>CPU占用率</summary>
[DisplayName("CPU占用率")]
public Single CpuRate { get; set; }
/// <summary>网络上行速度。字节每秒，初始化后首次读取为0</summary>
[DisplayName("网络上行速度")]
public UInt64 UplinkSpeed { get; set; }
/// <summary>网络下行速度。字节每秒，初始化后首次读取为0</summary>
[DisplayName("网络下行速度")]
public UInt64 DownlinkSpeed { get; set; }
/// <summary>温度。单位度</summary>
[DisplayName("温度")]
public Double Temperature { get; set; }
/// <summary>电池剩余。小于1的小数，常用百分比表示</summary>
[DisplayName("电池剩余")]
public Double Battery { get; set; }
#endregion
#region 构造
/// <summary>当前机器信息。默认null，在RegisterAsync后才能使用</summary>
public static MachineInfo Current { get; set; }
static MachineInfo() => RegisterAsync();
private static Task<MachineInfo> _task;
/// <summary>异步注册一个初始化后的机器信息实例</summary>
/// <returns></returns>
public static Task<MachineInfo> RegisterAsync()
{
if (_task != null) return _task;
return _task = Task.Factory.StartNew(() =>
{
var set = Setting.Current;
var dataPath = set.DataPath;
if (dataPath.IsNullOrEmpty()) dataPath = "Data";
// 文件缓存，加快机器信息获取
var file = Path.GetTempPath().CombinePath("machine_info.json");
var file2 = dataPath.CombinePath("machine_info.json").GetBasePath();
if (Current == null)
{
var f = file;
if (!File.Exists(f)) f = file2;
if (File.Exists(f))
{
try
{
//XTrace.WriteLine("Load MachineInfo {0}", f);
Current = File.ReadAllText(f).ToJsonEntity<MachineInfo>();
}
catch { }
}
}
var mi = Current ?? new MachineInfo();
mi.Init();
Current = mi;
//// 定时刷新
//if (msRefresh > 0) mi._timer = new TimerX(s => mi.Refresh(), null, msRefresh, msRefresh) { Async = true };
// 注册到对象容器
ObjectContainer.Current.AddSingleton(mi);
try
{
var json = mi.ToJson(true);
File.WriteAllText(file.EnsureDirectory(true), json);
File.WriteAllText(file2.EnsureDirectory(true), json);
}
catch { }
return mi;
});
}
/// <summary>获取当前信息，如果未设置则等待异步注册结果</summary>
/// <returns></returns>
public static MachineInfo GetCurrent() => Current ?? RegisterAsync().Result;
/// <summary>从对象容器中获取一个已注册机器信息实例</summary>
/// <returns></returns>
public static MachineInfo Resolve() => ObjectContainer.Current.Resolve<MachineInfo>();
#endregion
#region 方法
/// <summary>刷新</summary>
public void Init()
{
var osv = Environment.OSVersion;
if (OSVersion.IsNullOrEmpty()) OSVersion = osv.Version + "";
if (OSName.IsNullOrEmpty()) OSName = (osv + "").TrimStart("Microsoft").TrimEnd(OSVersion).Trim();
if (Guid.IsNullOrEmpty()) Guid = "";
try
{
//if (Runtime.Windows)
LoadWindowsInfoFx();
}
catch (Exception ex)
{
if (XTrace.Log.Level <= LogLevel.Debug) XTrace.WriteException(ex);
}
// 裁剪不可见字符，顺带去掉两头空白
OSName = OSName.TrimInvisible()?.Trim();
OSVersion = OSVersion.TrimInvisible()?.Trim();
Product = Product.TrimInvisible()?.Trim();
Processor = Processor.TrimInvisible()?.Trim();
UUID = UUID.TrimInvisible()?.Trim();
Guid = Guid.TrimInvisible()?.Trim();
Serial = Serial.TrimInvisible()?.Trim();
Board = Board.TrimInvisible()?.Trim();
DiskID = DiskID.TrimInvisible()?.Trim();
// 无法读取系统标识时，随机生成一个guid，借助文件缓存确保其不变
if (Guid.IsNullOrEmpty()) Guid = "0-" + System.Guid.NewGuid().ToString();
if (UUID.IsNullOrEmpty()) UUID = "0-" + System.Guid.NewGuid().ToString();
try
{
Refresh();
}
catch { }
}
private void LoadWindowsInfoFx()
{
var machine_guid = "";
var reg = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Cryptography");
if (reg != null) machine_guid = reg.GetValue("MachineGuid") + "";
if (machine_guid.IsNullOrEmpty())
{
//reg = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry64);
//if (reg != null) machine_guid = reg.GetValue("MachineGuid") + "";
}
var ci = new ComputerInfo();
try
{
Memory = ci.TotalPhysicalMemory;
// 系统名取WMI可能出错
OSName = ci.OSFullName.TrimStart("Microsoft").Trim();
OSVersion = ci.OSVersion;
}
catch
{
var reg2 = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows NT\CurrentVersion");
if (reg2 != null)
{
OSName = reg2.GetValue("ProductName") + "";
OSVersion = reg2.GetValue("ReleaseId") + "";
}
}
Processor = GetInfo("Win32_Processor", "Name");
//CpuID = GetInfo("Win32_Processor", "ProcessorId");
var uuid = GetInfo("Win32_ComputerSystemProduct", "UUID");
Product = GetInfo("Win32_ComputerSystemProduct", "Name");
DiskID = GetInfo("Win32_DiskDrive", "SerialNumber");
var sn = GetInfo("Win32_BIOS", "SerialNumber");
if (!sn.IsNullOrEmpty() && !sn.EqualIgnoreCase("System Serial Number")) Serial = sn;
Board = GetInfo("Win32_BaseBoard", "SerialNumber");
// UUID取不到时返回 FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF
if (!uuid.IsNullOrEmpty() && !uuid.EqualIgnoreCase("FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF")) UUID = uuid;
//// 可能因WMI导致读取UUID失败
//if (UUID.IsNullOrEmpty())
//{
// var reg3 = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows NT\CurrentVersion");
// if (reg3 != null) UUID = reg3.GetValue("ProductId") + "";
//}
if (!machine_guid.IsNullOrEmpty()) Guid = machine_guid;
//// 读取主板温度，不太准。标准方案是ring0通过IOPort读取CPU温度，太难在基础类库实现
//var str = GetInfo("Win32_TemperatureProbe", "CurrentReading");
//if (!str.IsNullOrEmpty())
//{
// Temperature = str.SplitAsInt().Average();
//}
//else
//{
// str = GetInfo("MSAcpi_ThermalZoneTemperature", "CurrentTemperature", "root/wmi");
// if (!str.IsNullOrEmpty()) Temperature = (str.SplitAsInt().Average() - 2732) / 10.0;
//}
//// 电池剩余
//str = GetInfo("Win32_Battery", "EstimatedChargeRemaining");
//if (!str.IsNullOrEmpty()) Battery = str.SplitAsInt().Average() / 100.0;
}
private ICollection<String> _excludes = new List<String>();
/// <summary>获取实时数据，如CPU、内存、温度</summary>
public void Refresh()
{
if (Runtime.Windows)
{
MEMORYSTATUSEX ms = default;
ms.Init();
if (GlobalMemoryStatusEx(ref ms))
{
Memory = ms.ullTotalPhys;
AvailableMemory = ms.ullAvailPhys;
}
}
// 特别识别Linux发行版
else if (Runtime.Linux)
{
var dic = ReadInfo("/proc/meminfo");
if (dic != null)
{
if (dic.TryGetValue("MemTotal", out var str))
Memory = (UInt64)str.TrimEnd(" kB").ToInt() * 1024;
if (dic.TryGetValue("MemAvailable", out str) ||
dic.TryGetValue("MemFree", out str))
AvailableMemory = (UInt64)str.TrimEnd(" kB").ToInt() * 1024;
}
// respberrypi + fedora
if (TryRead("/sys/class/thermal/thermal_zone0/temp", out var value) ||
TryRead("/sys/class/hwmon/hwmon0/temp1_input", out value) ||
TryRead("/sys/class/hwmon/hwmon0/temp2_input", out value) ||
TryRead("/sys/class/hwmon/hwmon0/device/hwmon/hwmon0/temp2_input", out value) ||
TryRead("/sys/devices/virtual/thermal/thermal_zone0/temp", out value))
Temperature = value.ToDouble() / 1000;
// A2温度获取，Ubuntu 16.04 LTS， Linux 3.4.39
else if (TryRead("/sys/class/hwmon/hwmon0/device/temp_value", out value))
Temperature = value.Substring(null, ":").ToDouble();
// 电池剩余
if (TryRead("/sys/class/power_supply/BAT0/energy_now", out var energy_now) &&
TryRead("/sys/class/power_supply/BAT0/energy_full", out var energy_full))
{
Battery = energy_now.ToDouble() / energy_full.ToDouble();
}
else if (TryRead("/sys/class/power_supply/battery/capacity", out var capacity))
{
Battery = capacity.ToDouble() / 100.0;
}
//var upt = Execute("uptime");
//if (!upt.IsNullOrEmpty())
//{
// str = upt.Substring("load average:");
// if (!str.IsNullOrEmpty()) CpuRate = (Single)str.Split(",")[0].ToDouble();
//}
//file = "/proc/loadavg";
//if (File.Exists(file)) CpuRate = (Single)File.ReadAllText(file).Substring(null, " ").ToDouble() / Environment.ProcessorCount;
var file = "/proc/stat";
if (File.Exists(file))
{
// CPU指标：user，nice, system, idle, iowait, irq, softirq
// cpu 57057 0 14420 1554816 0 443 0 0 0 0
using var reader = new StreamReader(file);
var line = reader.ReadLine();
if (!line.IsNullOrEmpty() && line.StartsWith("cpu"))
{
var vs = line.TrimStart("cpu").Trim().Split(" ");
var current = new SystemTime
{
IdleTime = vs[3].ToLong(),
TotalTime = vs.Take(7).Select(e => e.ToLong()).Sum().ToLong(),
};
var idle = current.IdleTime - (_systemTime?.IdleTime ?? 0);
var total = current.TotalTime - (_systemTime?.TotalTime ?? 0);
_systemTime = current;
CpuRate = total == 0 ? 0 : ((Single)(total - idle) / total);
}
}
}
if (Runtime.Windows)
{
GetSystemTimes(out var idleTime, out var kernelTime, out var userTime);
var current = new SystemTime
{
IdleTime = idleTime.ToLong(),
TotalTime = kernelTime.ToLong() + userTime.ToLong(),
};
var idle = current.IdleTime - (_systemTime?.IdleTime ?? 0);
var total = current.TotalTime - (_systemTime?.TotalTime ?? 0);
_systemTime = current;
CpuRate = total == 0 ? 0 : ((Single)(total - idle) / total);
#if __CORE__
if (!_excludes.Contains(nameof(Temperature)))
{
var temp = ReadWmic(@"/namespace:\\root\wmi path MSAcpi_ThermalZoneTemperature", "CurrentTemperature");
if (temp != null && temp.Count > 0)
{
if (temp.TryGetValue("CurrentTemperature", out var str) && !str.IsNullOrEmpty())
Temperature = (str.SplitAsInt().Average() - 2732) / 10.0;
}
else
_excludes.Add(nameof(Temperature));
}
if (!_excludes.Contains(nameof(Battery)))
{
var battery = ReadWmic("path win32_battery", "EstimatedChargeRemaining");
if (battery != null && battery.Count > 0)
{
if (battery.TryGetValue("EstimatedChargeRemaining", out var str) && !str.IsNullOrEmpty())
Battery = str.SplitAsInt().Average() / 100.0;
}
else
_excludes.Add(nameof(Battery));
}
#else
if (!_excludes.Contains(nameof(Temperature)))
{
// 读取主板温度，不太准。标准方案是ring0通过IOPort读取CPU温度，太难在基础类库实现
var str = GetInfo("Win32_TemperatureProbe", "CurrentReading");
if (!str.IsNullOrEmpty())
{
Temperature = str.SplitAsInt().Average();
}
else
{
str = GetInfo("MSAcpi_ThermalZoneTemperature", "CurrentTemperature", "root/wmi");
if (!str.IsNullOrEmpty()) Temperature = (str.SplitAsInt().Average() - 2732) / 10.0;
}
if (str.IsNullOrEmpty()) _excludes.Add(nameof(Temperature));
}
if (!_excludes.Contains(nameof(Battery)))
{
// 电池剩余
var str = GetInfo("Win32_Battery", "EstimatedChargeRemaining");
if (!str.IsNullOrEmpty())
Battery = str.SplitAsInt().Average() / 100.0;
else
_excludes.Add(nameof(Battery));
}
#endif
}
RefreshSpeed();
}
private Int64 _lastTime;
private Int64 _lastSent;
private Int64 _lastReceived;
/// <summary>刷新网络速度</summary>
public void RefreshSpeed()
{
var sent = 0L;
var received = 0L;
foreach (var ni in NetworkInterface.GetAllNetworkInterfaces())
{
var st = ni.GetIPv4Statistics();
sent += st.BytesSent;
received += st.BytesReceived;
}
var now = Runtime.TickCount64;
if (_lastTime > 0)
{
var interval = now - _lastTime;
if (interval > 0)
{
var s1 = (sent - _lastSent) * 1000 / interval;
var s2 = (received - _lastReceived) * 1000 / interval;
if (s1 >= 0) UplinkSpeed = (UInt64)s1;
if (s2 >= 0) DownlinkSpeed = (UInt64)s2;
}
}
_lastSent = sent;
_lastReceived = received;
_lastTime = now;
}
#endregion
#region 辅助
private static Boolean TryRead(String fileName, out String value)
{
value = null;
if (!File.Exists(fileName)) return false;
try
{
value = File.ReadAllText(fileName)?.Trim();
if (value.IsNullOrEmpty()) return false;
}
catch { return false; }
return true;
}
private static IDictionary<String, String> ReadInfo(String file, Char separate = ':')
{
if (file.IsNullOrEmpty() || !File.Exists(file)) return null;
var dic = new Dictionary<String, String>(StringComparer.OrdinalIgnoreCase);
using var reader = new StreamReader(file);
while (!reader.EndOfStream)
{
// 按行读取
var line = reader.ReadLine();
if (line != null)
{
// 分割
var p = line.IndexOf(separate);
if (p > 0)
{
var key = line.Substring(0, p).Trim();
var value = line.Substring(p + 1).Trim();
dic[key] = value.TrimInvisible();
}
}
}
return dic;
}
private static String Execute(String cmd, String arguments = null)
{
try
{
var psi = new ProcessStartInfo(cmd, arguments)
{
// UseShellExecute 必须 false，以便于后续重定向输出流
UseShellExecute = false,
CreateNoWindow = true,
RedirectStandardOutput = true
};
var process = Process.Start(psi);
if (!process.WaitForExit(3_000))
{
process.Kill();
return null;
}
return process.StandardOutput.ReadToEnd();
}
catch { return null; }
}
#endregion
#region 内存
[DllImport("Kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern Boolean GlobalMemoryStatusEx(ref MEMORYSTATUSEX lpBuffer);
internal struct MEMORYSTATUSEX
{
internal UInt32 dwLength;
internal UInt32 dwMemoryLoad;
internal UInt64 ullTotalPhys;
internal UInt64 ullAvailPhys;
internal UInt64 ullTotalPageFile;
internal UInt64 ullAvailPageFile;
internal UInt64 ullTotalVirtual;
internal UInt64 ullAvailVirtual;
internal UInt64 ullAvailExtendedVirtual;
internal void Init() => dwLength = checked((UInt32)Marshal.SizeOf(typeof(MEMORYSTATUSEX)));
}
#endregion
#region 磁盘
/// <summary>获取指定目录所在盘可用空间，默认当前目录</summary>
/// <param name="path"></param>
/// <returns>返回可用空间，字节，获取失败返回-1</returns>
public static Int64 GetFreeSpace(String path = null)
{
if (path.IsNullOrEmpty()) path = ".";
var driveInfo = new DriveInfo(Path.GetPathRoot(path.GetFullPath()));
if (driveInfo == null || !driveInfo.IsReady) return -1;
try
{
return driveInfo.AvailableFreeSpace;
}
catch { return -1; }
}
/// <summary>获取指定目录下文件名，支持去掉后缀的去重，主要用于Linux</summary>
/// <param name="path"></param>
/// <param name="trimSuffix"></param>
/// <returns></returns>
public static ICollection<String> GetFiles(String path, Boolean trimSuffix = false)
{
var list = new List<String>();
if (path.IsNullOrEmpty()) return list;
var di = path.AsDirectory();
if (!di.Exists) return list;
var list2 = di.GetFiles().Select(e => e.Name).ToList();
foreach (var item in list2)
{
var line = item?.Trim();
if (!line.IsNullOrEmpty())
{
if (trimSuffix)
{
if (!list2.Any(e => e != line && line.StartsWith(e))) list.Add(line);
}
else
{
list.Add(line);
}
}
}
return list;
}
#endregion
#region Windows辅助
[DllImport("kernel32.dll", SetLastError = true)]
private static extern Boolean GetSystemTimes(out FILETIME idleTime, out FILETIME kernelTime, out FILETIME userTime);
private struct FILETIME
{
public UInt32 Low;
public UInt32 High;
public FILETIME(Int64 time)
{
Low = (UInt32)time;
High = (UInt32)(time >> 32);
}
public Int64 ToLong() => (Int64)(((UInt64)High << 32) | Low);
}
private class SystemTime
{
public Int64 IdleTime;
public Int64 TotalTime;
}
private SystemTime _systemTime;
/// <summary>获取WMI信息</summary>
/// <param name="path"></param>
/// <param name="property"></param>
/// <param name="nameSpace"></param>
/// <returns></returns>
public static String GetInfo(String path, String property, String nameSpace = null)
{
// Linux Mono不支持WMI
if (Runtime.Mono) return "";
var bbs = new List<String>();
try
{
var wql = $"Select {property} From {path}";
var cimobject = new ManagementObjectSearcher(nameSpace, wql);
var moc = cimobject.Get();
foreach (var mo in moc)
{
var val = mo?.Properties?[property]?.Value;
if (val != null) bbs.Add(val.ToString().TrimInvisible().Trim());
}
}
catch (Exception ex)
{
if (XTrace.Log.Level <= LogLevel.Debug) XTrace.WriteLine("WMI.GetInfo({0})失败！{1}", path, ex.Message);
return "";
}
bbs.Sort();
return bbs.Distinct().Join();
}
#endregion
}
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