一个系统日志EventLog的示例(downmoon)

原来是发在CSDN论坛的，索性拿出来给更多的人分享

using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Diagnostics; using System.ServiceProcess; using System.Net; using System.Net.Sockets; namespace wsPing { public class pingService : System.ServiceProcess.ServiceBase { public System.Diagnostics.EventLog evLog; private System.Timers.Timer TimerPing; /**//// <summary> /// 必需的设计器变量。 /// </summary> private System.ComponentModel.Container components = null; //ping 一个页面地址********************************* int iPingInterval =180000;//3分钟 string sPingAddress="www.buynow.com.cn"; //************************************************** public pingService() { // 该调用是 Windows.Forms 组件设计器所必需的。 InitializeComponent(); // TODO: 在 InitComponent 调用后添加任何初始化 //如果不存在日志************************************ if(!System.Diagnostics.EventLog.SourceExists("logService")) { EventLog.CreateEventSource("logService","logServiceLog"); } this.evLog.Source="logService"; //如果要重新命名，必须重新启动计算机 //this.evLog.Log="logServiceLog"; //************************************************** } // 进程的主入口点 static void Main() { System.ServiceProcess.ServiceBase[] ServicesToRun; // 同一进程中可以运行多个用户服务。若要将 //另一个服务添加到此进程，请更改下行 // 以创建另一个服务对象。例如， // // ServicesToRun = New System.ServiceProcess.ServiceBase[] {new Service1(), new MySecondUserService()}; // ServicesToRun = new System.ServiceProcess.ServiceBase[] { new pingService() }; System.ServiceProcess.ServiceBase.Run(ServicesToRun); } /**//// <summary> /// 设计器支持所需的方法 - 不要使用代码编辑器 /// 修改此方法的内容。 /// </summary> private void InitializeComponent() { this.evLog = new System.Diagnostics.EventLog(); this.TimerPing = new System.Timers.Timer(); ((System.ComponentModel.ISupportInitialize)(this.evLog)).BeginInit(); ((System.ComponentModel.ISupportInitialize)(this.TimerPing)).BeginInit(); // // TimerPing // this.TimerPing.Interval = 60000; this.TimerPing.Elapsed += new System.Timers.ElapsedEventHandler(this.TimerPing_Elapsed); // // pingService // this.CanHandlePowerEvent = true; this.CanPauseAndContinue = true; this.CanShutdown = true; this.ServiceName = "pingService"; ((System.ComponentModel.ISupportInitialize)(this.evLog)).EndInit(); ((System.ComponentModel.ISupportInitialize)(this.TimerPing)).EndInit(); } /**//// <summary> /// 清理所有正在使用的资源。 /// </summary> protected override void Dispose( bool disposing ) { if( disposing ) { if (components != null) { components.Dispose(); } } base.Dispose( disposing ); } /**//// <summary> /// 设置具体的操作，以便服务可以执行它的工作。 /// </summary> protected override void OnStart(string[] args) { // TODO: 在此处添加代码以启动服务。 this.evLog.WriteEntry("pingService is Starting……………………………"); TimerPing.Interval=this.iPingInterval; this.TimerPing.Enabled=true; } /**//// <summary> /// 停止此服务。 /// </summary> protected override void OnStop() { // TODO: 在此处添加代码以执行停止服务所需的关闭操作。 this.evLog.WriteEntry("pingService is Stopping……………………………"); this.TimerPing.Enabled=false; } /**//// <summary> /// 暂停 /// </summary> protected override void OnPause() { this.evLog.WriteEntry("pingService is Pausing……………………………"); } /**//// <summary> ///继续 /// </summary> protected override void OnContinue() { this.evLog.WriteEntry("pingService is Continuing……………………………"); } private void TimerPing_Elapsed(object sender, System.Timers.ElapsedEventArgs e) { Pinger pi=new Pinger(); if(pi.Ping(this.sPingAddress)<1) { evLog.WriteEntry(sPingAddress +" does not respond."); } } } public class Pinger { public int Ping (string addr) { Socket sck=new Socket(AddressFamily.InterNetwork,SocketType.Dgram,ProtocolType.Udp); try { System.Net.IPHostEntry ipInfo=System.Net.Dns.Resolve(addr); IPEndPoint ipe=new IPEndPoint(ipInfo.AddressList[0],8); sck.Connect(ipe); } catch { return -1; } return 1; } } }
<!-- {cps..0}-->using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.ServiceProcess;
using System.Net;
using System.Net.Sockets;


namespace wsPing
{
public class pingService:System.ServiceProcess.ServiceBase
{
public System.Diagnostics.EventLogevLog;
private System.Timers.TimerTimerPing;


/**/ /// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Containercomponents = null ;

// ping一个页面地址*********************************
int iPingInterval = 180000 ; // 3分钟
string sPingAddress = " www.buynow.com.cn " ;
// **************************************************


public pingService()
{
// 该调用是Windows.Forms组件设计器所必需的。
InitializeComponent();

// TODO:在InitComponent调用后添加任何初始化

// 如果不存在日志************************************
if ( ! System.Diagnostics.EventLog.SourceExists( " logService " ))
{
EventLog.CreateEventSource( " logService " , " logServiceLog " );
}
this .evLog.Source = " logService " ;
// 如果要重新命名，必须重新启动计算机
// this.evLog.Log="logServiceLog";
// **************************************************



}

// 进程的主入口点
static void Main()
{
System.ServiceProcess.ServiceBase[]ServicesToRun;

// 同一进程中可以运行多个用户服务。若要将
// 另一个服务添加到此进程，请更改下行
// 以创建另一个服务对象。例如，
//
// ServicesToRun=NewSystem.ServiceProcess.ServiceBase[]{newService1(),newMySecondUserService()};
//
ServicesToRun = new System.ServiceProcess.ServiceBase[] { new pingService()} ;

System.ServiceProcess.ServiceBase.Run(ServicesToRun);
}

/**/ /// <summary>
/// 设计器支持所需的方法-不要使用代码编辑器
/// 修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
this .evLog = new System.Diagnostics.EventLog();
this .TimerPing = new System.Timers.Timer();
((System.ComponentModel.ISupportInitialize)( this .evLog)).BeginInit();
((System.ComponentModel.ISupportInitialize)( this .TimerPing)).BeginInit();
//
// TimerPing
//
this .TimerPing.Interval = 60000 ;
this .TimerPing.Elapsed += new System.Timers.ElapsedEventHandler( this .TimerPing_Elapsed);
//
// pingService
//
this .CanHandlePowerEvent = true ;
this .CanPauseAndContinue = true ;
this .CanShutdown = true ;
this .ServiceName = " pingService " ;
((System.ComponentModel.ISupportInitialize)( this .evLog)).EndInit();
((System.ComponentModel.ISupportInitialize)( this .TimerPing)).EndInit();

}

/**/ /// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing)
{
if (disposing)
{
if (components != null )
{
components.Dispose();
}
}
base .Dispose(disposing);
}

/**/ /// <summary>
/// 设置具体的操作，以便服务可以执行它的工作。
/// </summary>
protected override void OnStart( string []args)
{
// TODO:在此处添加代码以启动服务。
this .evLog.WriteEntry( " pingServiceisStarting…………………………… " );
TimerPing.Interval = this .iPingInterval;
this .TimerPing.Enabled = true ;
}
/**/ /// <summary>
/// 停止此服务。
/// </summary>
protected override void OnStop()
{
// TODO:在此处添加代码以执行停止服务所需的关闭操作。
this .evLog.WriteEntry( " pingServiceisStopping…………………………… " );
this .TimerPing.Enabled = false ;
}
/**/ /// <summary>
/// 暂停
/// </summary>
protected override void OnPause()
{
this .evLog.WriteEntry( " pingServiceisPausing…………………………… " );
}
/**/ /// <summary>
/// 继续
/// </summary>
protected override void OnContinue()
{
this .evLog.WriteEntry( " pingServiceisContinuing…………………………… " );
}

private void TimerPing_Elapsed( object sender,System.Timers.ElapsedEventArgse)
{
Pingerpi = new Pinger();
if (pi.Ping( this .sPingAddress) < 1 )
{
evLog.WriteEntry(sPingAddress + " doesnotrespond. " );
}
}
}

public class Pinger
{
public int Ping( string addr)
{
Socketsck = new Socket(AddressFamily.InterNetwork,SocketType.Dgram,ProtocolType.Udp);
try
{
System.Net.IPHostEntryipInfo = System.Net.Dns.Resolve(addr);
IPEndPointipe = new IPEndPoint(ipInfo.AddressList[ 0 ], 8 );
sck.Connect(ipe);

}
catch
{
return - 1 ;
}
return 1 ;
}
}
}