service1.cs

用Visual C#创建Windows服务程序.rar

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.ServiceProcess;
using System.IO;
using System.Runtime.InteropServices;

namespace FileMonitorService
{
	public class Service1 : System.ServiceProcess.ServiceBase
	{
		/// <summary> 
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;
		private bool servicePaused;
		private System.Diagnostics.PerformanceCounter fileChangeCounter;
		private System.Diagnostics.PerformanceCounter fileDeleteCounter;
		private System.Diagnostics.PerformanceCounter fileRenameCounter;
		private System.Diagnostics.PerformanceCounter fileCreateCounter;

		public Service1()
		{
			// 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
		}

		// 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，请更改下一行
			// 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 Service1() };

			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.components = new System.ComponentModel.Container();
			this.fileChangeCounter = new System.Diagnostics.PerformanceCounter();
			this.fileDeleteCounter = new System.Diagnostics.PerformanceCounter();
			this.fileRenameCounter = new System.Diagnostics.PerformanceCounter();
			this.fileCreateCounter = new System.Diagnostics.PerformanceCounter();

			fileChangeCounter.CategoryName = "File Monitor Service";
			fileDeleteCounter.CategoryName = "File Monitor Service";
			fileRenameCounter.CategoryName = "File Monitor Service";
			fileCreateCounter.CategoryName = "File Monitor Service";

			fileChangeCounter.CounterName = "Files Changed";
			fileDeleteCounter.CounterName = "Files Deleted";
			fileRenameCounter.CounterName = "Files Renamed";
			fileCreateCounter.CounterName = "Files Created";

			this.ServiceName = "FileMonitorService";
			this.CanPauseAndContinue = true;
			this.CanStop = true;
			servicePaused = false;
		}

		/// <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)
		{	
			FileSystemWatcher curWatcher = new FileSystemWatcher();

			curWatcher.BeginInit();
			curWatcher.IncludeSubdirectories = true;
			curWatcher.Path = System.Configuration.ConfigurationSettings.AppSettings["FileMonitorDirectory"];
			curWatcher.Changed += new FileSystemEventHandler(OnFileChanged);
			curWatcher.Created += new FileSystemEventHandler(OnFileCreated);
			curWatcher.Deleted += new FileSystemEventHandler(OnFileDeleted);
			curWatcher.Renamed += new RenamedEventHandler(OnFileRenamed);
			curWatcher.EnableRaisingEvents = true;
			curWatcher.EndInit();
		}

		/// <summary>
		/// 停止此服务。
		/// </summary>
		protected override void OnStop()
		{
			if( fileChangeCounter.RawValue != 0 )
			{
				fileChangeCounter.IncrementBy(-fileChangeCounter.RawValue);
			}
			if( fileDeleteCounter.RawValue != 0 )
			{
				fileDeleteCounter.IncrementBy(-fileDeleteCounter.RawValue);
			}
			if( fileRenameCounter.RawValue != 0 )
			{
				fileRenameCounter.IncrementBy(-fileRenameCounter.RawValue);	
			}
			if( fileCreateCounter.RawValue != 0 )
			{
				fileCreateCounter.IncrementBy(-fileCreateCounter.RawValue);
			}
		}

		/// <summary>
		/// 暂停服务
		/// </summary>
		protected override void OnPause()
		{
			servicePaused = true;
		}

		/// <summary>
		/// 恢复服务
		/// </summary>
		protected override void OnContinue()
		{
			servicePaused = false;
		}

		private void OnFileChanged(Object source, FileSystemEventArgs e)
		{
			if( servicePaused == false )
			{
				fileChangeCounter.IncrementBy(1);
			}
		}
    
		private void OnFileRenamed(Object source, RenamedEventArgs e)
		{
			if( servicePaused == false )
			{
				fileRenameCounter.IncrementBy(1);
			}
		}

		private void OnFileCreated(Object source, FileSystemEventArgs e)
		{
			if( servicePaused == false )
			{
				fileCreateCounter.IncrementBy(1);
			}
		}

		private void OnFileDeleted(Object source, FileSystemEventArgs e)
		{
			if( servicePaused == false )
			{
				fileDeleteCounter.IncrementBy(1);
			}
		}
	}
}