本文介绍如何使用WMI来判断服务是否存在、如何创建新服务,删除服务、如何启服务、停服务
代码如下:
using System;
using System.Collections.Generic;
using System.Text;
using System.Management;
using System.Threading;
namespace TJVictor.WMI
{
public class Win32_Service:WMIBaseClass
{
#region Property
private bool completed = false;
private int timeout = 30;
public int TimeOut
{
get { return timeout; }
set { timeout = value; }
}
private string wqlSelect = string.Empty;
#endregion
#region Construction
public Win32_Service()
: base()
{
wqlSelect = "select * FROM Win32_Service where Name='{0}'";
base.Connection();
}
public Win32_Service(string domain, string Ip, string user, string psd)
: base(domain, Ip, user, psd)
{
wqlSelect = "select * FROM Win32_Service where Name='{0}'";
base.Connection();
}
#endregion
#region public function
public bool IsServiceExist(string name)
{
if (!GetSelectQueryCollection(wqlSelect,name).Count.Equals(0))
return true;
return false;
}
public void StartService(string name)
{
if(!IsServiceExist(name))
throw new TJVictor.WMI.WmiException.ServiceException(string.Format("{0} 服务不存在",name));
object result = string.Empty;
ManagementObjectSearcher mos = GetObjectSearcher(wqlSelect, name);
foreach (ManagementObject mo in mos.Get())
{
result = mo.InvokeMethod("StartService", null);
break;
}
CheckExceptionClass.CheckServiceException(int.Parse(result.ToString()));
TestServiceState(mos, "Running", string.Format("{0} 服务在 {1} 机器上启动失败,启动超时",name,base.Ip));
}
public void StopService(string name)
{
if (!IsServiceExist(name))
throw new TJVictor.WMI.WmiException.ServiceException(string.Format("{0} 服务不存在", name));
object result = string.Empty;
ManagementObjectSearcher mos = GetObjectSearcher(wqlSelect, name);
foreach (ManagementObject mo in mos.Get())
{
result = mo.InvokeMethod("StopService", null);
break;
}
CheckExceptionClass.CheckServiceException(int.Parse(result.ToString()));
TestServiceState(mos, "Stopped", string.Format("{0} 服务在 {1} 机器上停止失败,停止超时", name, base.Ip));
}
public void CreateService(string name, string displayName, string startMode, string pathName, string startName, string startPassword,
string serviceType)
{
if(IsServiceExist(name))
throw new TJVictor.WMI.WmiException.ServiceException(string.Format("{0} 服务已经存在",name));
int tempTimeout = this.timeout;
ManagementClass processClass = new ManagementClass("Win32_Service");
processClass.Scope = base.Scope;
string method = "Create";
ManagementBaseObject inputArgs = processClass.GetMethodParameters(method);
inputArgs["Name"] = name;
inputArgs["DisplayName"] = displayName;
inputArgs["StartMode"] = startMode;
inputArgs["PathName"] = pathName;
if (!startName.Equals(string.Empty))
{
inputArgs["StartName"] = startName;
inputArgs["StartPassword"] = startPassword;
}
ManagementBaseObject ob = processClass.InvokeMethod(method, inputArgs, null);
CheckExceptionClass.CheckServiceException(int.Parse(ob["returnValue"].ToString()));
//检测服务是否已经安装成功
while (!IsServiceExist(name))
{
if (tempTimeout.Equals(0))
{
throw new TJVictor.WMI.WmiException.ServiceException(
string.Format("在 {0} 上安装 {1} 服务超时", base.Ip, name));
}
Thread.Sleep(1000);
tempTimeout--;
}
}
public void DeleteService(string name)
{
object result = string.Empty;
if(!IsServiceExist(name))
throw new TJVictor.WMI.WmiException.ServiceException(string.Format("{0} 服务不存在",name));
foreach (ManagementObject mo in GetSelectQueryCollection(wqlSelect, name))
{
result = mo.InvokeMethod("delete", null);
break;
}
//检测卸载命令是否执行成功
CheckExceptionClass.CheckServiceException(int.Parse(result.ToString()));
//检测服务是否已经卸载成功
int tempTimeout = this.timeout;
while (IsServiceExist(name))
{
if (tempTimeout.Equals(0))
{
throw new TJVictor.WMI.WmiException.ServiceException(
string.Format("在 {0} 上卸载 {1} 服务超时", base.Ip, name));
}
Thread.Sleep(1000);
tempTimeout--;
}
}
#endregion
#region private function
private void TestServiceState(ManagementObjectSearcher mos, string state,string errorMes)
{
completed = false;
int tempTimeout = timeout;
while (!completed)
{
if (tempTimeout.Equals(0))
{
throw new TJVictor.WMI.WmiException.ServiceException(errorMes);
}
foreach (ManagementObject mo in mos.Get())
{
if (mo["State"].ToString().Equals(state))
{
completed = true;
}
break;
}
Thread.Sleep(1000);
tempTimeout--;
}
}
#endregion
}
}
如需转载,请注明本文原创自CSDN TJVictor专栏:http://blog.csdn.net/tjvictor