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服务器性能监控之WMI

发布时间:2013-03-16 16:01:00 ,浏览量:0

1.WMI简介 WMI是英文Windows Management Instrumentation的简写,通过使用WMI,我们可以获取本地或远程服务器的性能参数和进程运行情况,以及大部分硬件信息,但前提是运行的用户要有足够的权限,如administrator组用户等。这也是做负载均衡所需要且比较方便快捷的途径。

2.使用时首先添加System.Management.dll,然后引用

using System.Management;
3.定义远程访问 
public  class ManagementConnectPool      ... {         private static System.Management.ConnectionOptions Conn = new ConnectionOptions() ;         private static ManagementObjectSearcher mos = new ManagementObjectSearcher();         private string username = "";         private string pwd = "";         private string space="";         private string server = "";         public ManagementConnectPool(string mpusername,string mppwd , string mpspace ,string mpserver)         ...{             this.username = mpusername;             this.pwd = mppwd;             this.space = mpspace;             this.server = mpserver;             Conn.Username = mpusername;             Conn.Password = mppwd;             string scopestring ="//" + mpserver + mpspace;             System.Management.ManagementScope Ms = new ManagementScope(scopestring);             Ms.Connect();             mos.Scope = Ms;         }         public ManagementObjectCollection getQueryResult(string queryString)         ...{             ObjectQuery oq = new ObjectQuery();             oq.QueryString = queryString;             mos.Query = oq;             ManagementObjectCollection moc =mos.Get();             return moc;         }     }

4.获取CPU,内存,网络流量等信息

public  class Monitor      ... {          private string username = "";         private string pwd ="";         private string ip = "";         ManagementConnectPool mcp;         WMSServerClass server;                  public Monitor(string username,string pwd,string ip)...{             this.username = username;             this.pwd = pwd ;             this.ip = ip;             mcp = new ManagementConnectPool(username,pwd,"/root/cimv2",ip);             server = new WMSServerClass();         }         WMI方式获取网卡流量#region WMI方式获取网卡流量         private void getNetWorkFlow()         ...{             ManagementObjectCollection moc = mcp.getQueryResult(@"select * from Win32_NetworkAdapter where macaddress<>null and manufacturer<>'Microsoft'");             string[] list = new string[moc.Count] ;             foreach(System.Management.ManagementObject mymac in moc)              ...{                  string a =  mymac["Speed"].ToString();//null WMI未实现该属性                 Console.WriteLine(a.ToString());             }         }         #endregion                          WMI方式获取CPU信息#region WMI方式获取CPU信息         private void getCpuInfo()         ...{             ManagementObjectCollection moc = mcp.getQueryResult("select * from Win32_Processor");             string[] list = new string[moc.Count];             int i = 0;             foreach(ManagementObject mo  in moc)             ...{                     string total = mo.GetPropertyValue("LoadPercentage").ToString();                 list[i]=total;                 i++;             }         }         #endregion         WMI方式获取内存使用率#region WMI方式获取内存使用率         public string getMemoryUsage()         ...{             ManagementObjectCollection moc = mcp.getQueryResult("select * from Win32_LogicalMemoryConfiguration");             int totalm = 1; int avilablem = 1;             foreach(ManagementObject mo  in moc)             ...{                 string total = mo.GetPropertyValue("TotalPhysicalMemory").ToString();                 totalm = int.Parse(total);             }             moc = mcp.getQueryResult("select * from Win32_PerfRawData_PerfOS_Memory");             foreach(ManagementObject mo  in moc)             ...{                 string avilable = mo.GetPropertyValue("AvailableKBytes").ToString();                 avilablem = int.Parse(avilable);             }             int usedm = totalm - avilablem;             double memoryusage = (double)usedm * (double)100 / (double)totalm ;             return memoryusage.ToString();         }         #endregion }

5.获取本地机器信息(WEB)

1.如何用WMI获得指定磁盘的容量 #region 1.如何用WMI获得指定磁盘的容量          private string DriveType(string type)           ...{              string rtntype="";              switch (type)               ...{                  case "1":                      rtntype="Not Type";                      break;                  case "2":                      rtntype="Floppy disk";                      break;                  case "3":                      rtntype="Hard disk";                      break;                  case "4":                      rtntype="Removable drive or network drive";                      break;                  case "5":                      rtntype="CD-ROM";                      break;                  case "6":                      rtntype="RAM disk";                      break;                  default :                      break;              }              return rtntype;          }            private void Button1_Click(object sender, System.EventArgs e)           ...{              SelectQuery query=new SelectQuery("Select * From Win32_LogicalDisk");               ManagementObjectSearcher searcher=new ManagementObjectSearcher(query);               foreach(ManagementBaseObject disk in searcher.Get())                ...{                   Response.Write(disk["Name"] +" "+DriveType(disk["DriveType"].ToString()) + " " + disk["VolumeName"]+" ");               }          }          #endregion              2.如何用WMI获得指定磁盘的容量 #region 2.如何用WMI获得指定磁盘的容量          private void Button2_Click(object sender, System.EventArgs e)           ...{              ManagementObject disk = new ManagementObject("win32_logicaldisk.deviceid="c:"");               disk.Get();               Response.Write("Logical Disk Size = " + disk["Size"] + " bytes");                       }          #endregion              3.如何列出机器中所有的共享资源 #region 3.如何列出机器中所有的共享资源          private void Button3_Click(object sender, System.EventArgs e)           ...{              ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_share");               foreach (ManagementObject share in searcher.Get())                ...{                   Response.Write(share.GetText(TextFormat.Mof));               }           }          #endregion              4.怎样写程控制让系统中的某个文件夹共享或取消共享 #region 4.怎样写程控制让系统中的某个文件夹共享或取消共享          private void Button4_Click(object sender, System.EventArgs e)           ...{               /**//*首先,这需要以有相应权限的用户登录系统才行              将               object[] obj = {"C:/Temp","我的共享",0,10,"Dot Net 实现的共享",""};               改为               object[] obj = {"C:/Temp","我的共享",0,null,"Dot Net 实现的共享",""};               就可以实现授权给最多用户了。              */              ManagementClass _class = new ManagementClass(new ManagementPath("Win32_Share"));               object[] obj = ...{"C:/Temp","我的共享",0,10,"Dot Net 实现的共享",""};              _class.InvokeMethod("create",obj);           }          #endregion              5.如何获得系统服务的运行状态 #region 5.如何获得系统服务的运行状态          private void Button5_Click(object sender, System.EventArgs e)           ...{              string[] lvData =  new string[4];                          ManagementObjectSearcher searcher =new ManagementObjectSearcher("SELECT * FROM Win32_Service");               foreach (ManagementObject mo in searcher.Get())                ...{                   lvData[0] = mo["Name"].ToString();                   lvData[1] = mo["StartMode"].ToString();                   if (mo["Started"].Equals(true))                       lvData[2] = "Started";                   else                       lvData[2] = "Stop";                   lvData[3] = mo["StartName"].ToString();                   Response.Write(lvData[0]+lvData[1]+lvData[2]+lvData[3]);                                  }                       }          #endregion              6.通过WMI修改IP,而实现不用重新启动 #region 6.通过WMI修改IP,而实现不用重新启动          private void Button6_Click(object sender, System.EventArgs e)           ...{              ReportIP();               // SwitchToDHCP();               SwitchToprivate();               Thread.Sleep( 5000 );               ReportIP();               Response.Write( "end." );          }                            private void SwitchToDHCP()            ...{               ManagementBaseObject inPar = null;               ManagementBaseObject outPar = null;               ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");               ManagementObjectCollection moc = mc.GetInstances();               foreach( ManagementObject mo in moc )                ...{                   if( ! (bool) mo["IPEnabled"] )                       continue;                     inPar = mo.GetMethodParameters("EnableDHCP");                   outPar = mo.InvokeMethod( "EnableDHCP", inPar, null );                   break;               }           }             private void SwitchToprivate()            ...{               ManagementBaseObject inPar = null;               ManagementBaseObject outPar = null;               ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");               ManagementObjectCollection moc = mc.GetInstances();               foreach( ManagementObject mo in moc )                ...{                   if( ! (bool) mo[ "IPEnabled" ] )                       continue;                     inPar = mo.GetMethodParameters( "Enableprivate" );                    inPar["IPAddress"] = new string[] ...{ "192.168.1.1" };                    inPar["SubnetMask"] = new string[] ...{ "255.255.255.0" };                   outPar = mo.InvokeMethod( "Enableprivate", inPar, null );                   break;               }           }             private void ReportIP()            ...{               Response.Write( "****** Current IP addresses:" );               ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");               ManagementObjectCollection moc = mc.GetInstances();               foreach( ManagementObject mo in moc )                ...{                   if( ! (bool) mo[ "IPEnabled" ] )                       continue;                     string str="{0}  SVC: '{1}' MAC: [{2}]";                  str= string.Format(mo["Caption"].ToString(), mo["ServiceName"].ToString(),mo["MACAddress"].ToString());                    Response.Write(str);                     string[] addresses = (string[]) mo[ "IPAddress" ];                   string[] subnets = (string[]) mo[ "IPSubnet" ];                     Response.Write( " Addresses :" );                   foreach(string sad in addresses)                       Response.Write(sad+" ");                     Response.Write( " Subnets :" );                   foreach(string sub in subnets )                       Response.Write(sub+" ");               }           }          #endregion              7.如何利用WMI远程重启远程计算机 #region 7.如何利用WMI远程重启远程计算机          private void Button7_Click(object sender, System.EventArgs e)           ...{              Response.Write("Computer details retrieved using Windows Management Instrumentation (WMI)");               Response.Write("mailto:singlepine@hotmail.com");               Response.Write("=========================================================================");                //连接远程计算机               ConnectionOptions co = new ConnectionOptions();               co.Username = "john";               co.Password = "john";               System.Management.ManagementScope ms = new System.Management.ManagementScope("//192.168.1.2/root/cimv2", co);                     //查询远程计算机               System.Management.ObjectQuery oq = new System.Management.ObjectQuery("SELECT * FROM Win32_OperatingSystem");                                    ManagementObjectSearcher query1 = new ManagementObjectSearcher(ms,oq);               ManagementObjectCollection queryCollection1 = query1.Get();                           foreach( ManagementObject mo in queryCollection1 )                 ...{                    string[] ss=...{""};                   mo.InvokeMethod("Reboot",ss);                   Response.Write(mo.ToString());               }           }          #endregion              8.利用WMI创建一个新的进程 #region 8.利用WMI创建一个新的进程          private void Button8_Click(object sender, System.EventArgs e)           ...{              //Get the object on which the method will be invoked               ManagementClass processClass = new ManagementClass("Win32_Process");                 //Get an input parameters object for this method               ManagementBaseObject inParams = processClass.GetMethodParameters("Create");                 //Fill in input parameter values               inParams["CommandLine"] = "calc.exe";                 //Execute the method               ManagementBaseObject outParams = processClass.InvokeMethod ("Create", inParams, null);                 //Display results               //Note: The return code of the method is provided in the "returnvalue" property of the outParams object               Response.Write("Creation of calculator process returned: " + outParams["returnvalue"]);               Response.Write("Process ID: " + outParams["processId"]);             }          #endregion              9.如何通过WMI终止一个进程 #region 9.如何通过WMI终止一个进程          private void Button9_Click(object sender, System.EventArgs e)           ...{              ManagementObject service =                    new ManagementObject("win32_service="winmgmt"");               InvokeMethodOptions options = new InvokeMethodOptions();               options.Timeout = new TimeSpan(0,0,0,5);                  ManagementBaseObject outParams = service.InvokeMethod("StopService", null, options);                Response.Write("Return Status = " + outParams["Returnvalue"]);          }          #endregion              10.如何用WMI 来获取远程机器的目录以及文件 #region 10.如何用WMI 来获取远程机器的目录以及文件          private void Button10_Click(object sender, System.EventArgs e)           ...{              ManagementObject disk = new ManagementObject(                    "win32_logicaldisk.deviceid="c:"");                disk.Get();                Response.Write("Logical Disk Size = " + disk["Size"] + " bytes");          }          #endregion              11.网卡的MAC地址 #region 11.网卡的MAC地址          private void Button11_Click(object sender, System.EventArgs e)           ...{              ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");               ManagementObjectCollection moc = mc.GetInstances();               foreach(ManagementObject mo in moc)                ...{                   if((bool)mo["IPEnabled"] == true)                       Response.Write("MAC address"+mo["MacAddress"].ToString()+" ");                   mo.Dispose();               }           }          #endregion              12.CPU的系列号 #region 12.CPU的系列号           private void Button12_Click(object sender, System.EventArgs e)           ...{              string cpuInfo = "";//cpu序列号               ManagementClass cimobject = new ManagementClass("Win32_Processor");               ManagementObjectCollection moc = cimobject.GetInstances();               foreach(ManagementObject mo in moc)                ...{                   cpuInfo = mo.Properties["ProcessorId"].Value.ToString();                   Response.Write(cpuInfo);              }           }          #endregion              13.主板的系列号 #region 13.主板的系列号          private void Button13_Click(object sender, System.EventArgs e)           ...{              ManagementObjectSearcher searcher=new ManagementObjectSearcher("SELECT * FROM Win32_BaseBoard");              foreach(ManagementObject share in searcher.Get())               ...{                  Response.Write("主板制造商:" + share["Manufacturer"].ToString()) ;                  Response.Write("型号:" +share["Product"].ToString()) ;                  Response.Write("序列号:"+share["SerialNumber"].ToString()) ;              }          }          #endregion              14.获取硬盘ID #region 14.获取硬盘ID          private void Button14_Click(object sender, System.EventArgs e)           ...{              String HDid;               ManagementClass cimobject = new ManagementClass("Win32_DiskDrive");               ManagementObjectCollection moc = cimobject.GetInstances();               foreach(ManagementObject mo in moc)                ...{                   HDid = (string)mo.Properties["Model"].Value;                   Response.Write(HDid);                }           }          #endregion              15.获取本机的用户列表 #region 15.获取本机的用户列表          private void Button15_Click(object sender, System.EventArgs e)           ...{              SelectQuery query = new SelectQuery("SELECT * FROM Win32_UserAccount");              ManagementObjectSearcher searcher = new ManagementObjectSearcher(query);              foreach(ManagementObject os in searcher.Get())               ...{                  Response.Write(os["Name"]);              }          }          #endregion      }

通过上面介绍的方法,可以很轻松的获取远程或本地机器的性能,进程和硬件信息等。另外:WMI也可以通过使用Vbscript等脚本调用。

说明:其中部分资源来自网友小山的blog。但不够详细说明WMI在服务器性能方面的能力!

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