c#保持子进程运行
本文关键字:运行 子进程 | 更新日期: 2023-09-27 18:03:07
不久前我用c# . NET写了一个小程序来保持Java进程的运行。我即将把它部署到一堆服务器上,我现在正在修复一些代码。就目前情况来看,我觉得我的设置不对。
保持我在我的LaunchMinecraft()函数中创建的进程运行的最好方法是什么?我想让它,只要我的进程正在运行,它继续重新启动这个进程,如果它崩溃。
static void Main(string[] args)
{
// Launch the Application
LaunchMinecraft("minecraft_server.jar", "512");
}
public static void LaunchMinecraft(string file, string memory)
{
string memParams = "-Xms" + memory + "M" + " -Xmx" + memory + "M ";
string args = memParams + "-jar " + file + " nogui";
ProcessStartInfo processInfo = new ProcessStartInfo("java.exe", args);
processInfo.CreateNoWindow = true;
processInfo.UseShellExecute = false;
processInfo.RedirectStandardOutput = true;
processInfo.RedirectStandardInput = true;
processInfo.RedirectStandardError = true;
try
{
using (Process minecraftProcess = Process.Start(processInfo))
{
// Store Process Globally to access elsewhere
JavaProcess = minecraftProcess;
// Creates a Repeating Poll Timer (30 Seconds)
// Use this to keep the Minecraft's Process Affinity/Priority the same as the Daemon
PollTimer = new System.Timers.Timer();
PollTimer.Elapsed += new ElapsedEventHandler(Event_PollProcess);
PollTimer.Interval = 5000;
PollTimer.Start();
Console.WriteLine("Minecraft Process Started.");
// Setup Callback for Redirected Output/Error Streams
minecraftProcess.OutputDataReceived += new DataReceivedEventHandler(Handler_ProcessOutput);
minecraftProcess.ErrorDataReceived += new DataReceivedEventHandler(Handler_ProcessError);
// Steam Writer
streamWriter = minecraftProcess.StandardInput;
minecraftProcess.BeginOutputReadLine();
minecraftProcess.BeginErrorReadLine();
while (minecraftProcess.HasExited == false)
{
String strInput = Console.ReadLine();
SendProcessCmd(strInput);
}
minecraftProcess.WaitForExit();
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
Process类本身不能阻止您的外部程序关闭,您必须像@Jalal提到的那样使用exit事件或轮询进程的HasExited属性。