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检测进程是否存在，如果进程都不存在，没必要获取信息

This commit is contained in:
大石头 2023-04-12 14:57:53 +08:00
parent 7e0e0308bc
commit 1d910278d0
2 changed files with 21 additions and 16 deletions
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9
Stardust/LocalStarClient.cs
View File

@ -59,6 +59,15 @@ public class LocalStarClient
/// <returns></returns>
public AgentInfo GetInfo()
{
// 检测进程是否存在，如果进程都不存在，没必要获取信息
if (!Process.GetProcessesByName("StarAgent").Any())
{
var pis = Process.GetProcessesByName("dotnet");
if (pis.Length == 0) return null;
if (!pis.Any(p => AppInfo.GetProcessName(p).EqualIgnoreCase("StarAgent"))) return null;
}
var task = TaskEx.Run(GetInfoAsync);
return task.Wait(500) ? task.Result : null;
}

28
Stardust/Models/AppInfo.cs
View File

@ -190,53 +190,49 @@ public class AppInfo
}
private static ICache _cache = new MemoryCache();
/// <summary>获取进程名</summary>
/// <summary>获取进程名。dotnet/java进程取文件名</summary>
/// <param name="process"></param>
/// <returns></returns>
public static String GetProcessName(Process process)
{
// 缓存，避免频繁执行
var key = process.Id + "";
if (_cache.TryGetValue<String>(key, out var value)) return value;
var name = process.ProcessName;
if (Runtime.Linux)
{
try
{
var lines = File.ReadAllText($"/proc/{process.Id}/cmdline").Trim('\0', ' ').Split('\0');
if (lines.Length > 1) return Path.GetFileName(lines[1]);
if (lines.Length > 1) name = Path.GetFileNameWithoutExtension(lines[1]);
}
catch { }
}
else if (Runtime.Windows)
{
// 缓存，避免频繁执行
var key = process.Id + "";
if (_cache.TryGetValue<String>(key, out var value)) return value;
try
{
var dic = ReadWmic("process", "processId=" + process.Id, "commandline");
if (dic.TryGetValue("commandline", out var str))
{
//XTrace.WriteLine(str);
var p = str.IndexOf('\"');
if (p >= 0)
{
var p2 = str.IndexOf('\"', p + 1);
if (p2 > 0) str = str.Substring(p2 + 1);
}
//XTrace.WriteLine(str);
var ss = str.Split(' ');
if (ss.Length >= 2)
{
_cache.Set(key, ss[1], 600);
return ss[1];
}
if (ss.Length >= 2) name = Path.GetFileNameWithoutExtension(ss[1]);
}
}
catch { }
_cache.Set(key, process.ProcessName, 600);
}
return process.ProcessName;
_cache.Set(key, name, 600);
return name;
}
/// <summary>通过WMIC命令读取信息</summary>