向 Windows 服务发送命令

Question

我正在尝试将自定义命令发送到 windows 服务。我的应用程序有一个 windows 服务和一个表单。当服务运行ning 时，我想使用按钮单击事件在独立存储中创建一个文件。我正在使用本教程 http://arcanecode.com/2007/05/30/windows-services-in-c-sending-commands-to-your-windows-service-part-7/。当我运行程序并单击按钮时，似乎没有任何反应，文件也没有放入独立存储中。我在这些方法上设置了断点，以查看它们是否执行并且是否有效。我不确定按钮单击方法是否可以从表单到达服务中的独立存储代码，但根据本教程，我看不出问题所在。源代码如下。

表格

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.ServiceProcess;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Project2Service;

namespace Project2
{
    public partial class Form1 : Form
    {
        public Service1 s = new Service1();
        public ServiceInstaller si = new ServiceInstaller();
        public ProjectInstaller pi = new ProjectInstaller();
        public ServiceController sc = new ServiceController("Project2Service");

        private string[] isoType;

        string machineName = System.Windows.Forms.SystemInformation.ComputerName;

        public Form1()
        {
            InitializeComponent();

            isoType = new string[] { "User", "Assembly And Domain"};
            cboIsoType.Items.AddRange(isoType);

            cboIsoType.SelectedIndex = 0;

            btnContinue.Enabled = false;
            btnPause.Enabled = false;
            btnStop.Enabled = false;
        }

        public void Labels()
        {
            lblMachine.Text = machineName;
            lblSName.Text = s.ServiceName;
            lblSType.Text = si.StartType.ToString();

            lblSStatus.Text = sc.Status.ToString();
            lblPause.Text = sc.CanPauseAndContinue.ToString();
            lblShutdown.Text = sc.CanShutdown.ToString();
            lblStop.Text = sc.CanStop.ToString();
        }

        private void btnStart_Click(object sender, EventArgs e)
        {
            //Controller.Refresh(); //Gets the current status of service
            //if (Controller.Status == ServiceControllerStatus.Stopped)
            //{
            //    Controller.Start();
            //}

            sc.Start();
            sc.WaitForStatus(ServiceControllerStatus.Running);
            Labels();

            btnStart.Enabled = false;
            btnContinue.Enabled = false;
            btnStop.Enabled = true;
            btnPause.Enabled = true;

        }

        private void btnStop_Click(object sender, EventArgs e)
        {
            sc.Stop();
            sc.WaitForStatus(ServiceControllerStatus.Stopped);
            Labels();

            btnStart.Enabled = true;
            btnContinue.Enabled = false;
            btnPause.Enabled = false;
            btnStop.Enabled = false;
        }

        private void btnPause_Click(object sender, EventArgs e)
        {
            sc.Pause();
            sc.WaitForStatus(ServiceControllerStatus.Paused);
            Labels();

            btnPause.Enabled = false;
            btnContinue.Enabled = true;
            btnStart.Enabled = false;
            btnStop.Enabled = true;
        }

        private void btnContinue_Click(object sender, EventArgs e)
        {
            sc.Continue();
            sc.WaitForStatus(ServiceControllerStatus.Running);
            Labels();

            btnStop.Enabled = true;
            btnStart.Enabled = false;
            btnPause.Enabled = true;
            btnContinue.Enabled = false;
        }

        private void btnSubmit_Click(object sender, EventArgs e)
        {
            ServiceController sc2 = new ServiceController("Project2Service");
            sc2.ExecuteCommand(200);

            //if (cboIsoType.SelectedItem.ToString() == "User")   
            //{

            //    sc.ExecuteCommand(128);
            //}
        }
    }
}

服务

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.IO;
using System.IO.IsolatedStorage;
using System.Linq;
using System.ServiceProcess;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Project2Service
{
    public partial class Service1 : ServiceBase
    {
        public enum commands
        {
            LogIt = 200
        }

        //public enum ServiceCustomCommands { Command1 = 128, Command2 = 129 };
        //private IsolatedStorageScope iso;

        public Service1()
        {
            InitializeComponent();
        }

        protected override void OnStart(string[] args)
        {

            //iso = IsolatedStorageScope.User | IsolatedStorageScope.Domain;
            FileSystemWatcher Watcher = new FileSystemWatcher(@"C:\Users\Martin\Desktop\Project2\ServiceTest");
            Watcher.EnableRaisingEvents = true;
            Watcher.NotifyFilter = NotifyFilters.LastAccess
                        | NotifyFilters.LastWrite
                        | NotifyFilters.FileName
                        | NotifyFilters.DirectoryName;

            Watcher.Changed += new FileSystemEventHandler(Watcher_Changed);
            Watcher.Created += new FileSystemEventHandler(Watcher_Created);
            Watcher.Deleted += new FileSystemEventHandler(Watcher_Deleted);
            Watcher.Renamed += new RenamedEventHandler(Watcher_Renamed);
            WriteServiceInfo("Service Started!");
        }

        // This event is raised when a file is changed
        private void Watcher_Changed(object sender, FileSystemEventArgs e)
        {
            WriteServiceInfo("File Changed!");

            DirectoryInfo d = new DirectoryInfo(@"C:\Users\Martin\Desktop\Project2\ServiceTest");//Assuming Watch is your Folder
            FileInfo[] Files = d.GetFiles("*.txt"); //Getting Text files
            string str = "";
            foreach (FileInfo file in Files)
            {
                str = str + ", " + file.Name;
                str = str + ", " + file.LastWriteTime;
                str = str + ", " + file.CreationTime;
                str = str + ", " + file.Length;

                WriteServiceInfo(file.Name);
                WriteServiceInfo(file.LastWriteTime.ToString());
                WriteServiceInfo(file.CreationTime.ToString());
                WriteServiceInfo(file.Length.ToString());
            }
        }

        private void Watcher_Created(object sender, FileSystemEventArgs e)
        {
            WriteServiceInfo("File Created!");
        }

        private void Watcher_Deleted(object sender, FileSystemEventArgs e)
        {
            WriteServiceInfo("File Deleted!");
        }
        private void Watcher_Renamed(object sender, FileSystemEventArgs e)
        {
            WriteServiceInfo("File Renamed!");
        }

        private void WriteServiceInfo(string info)
        {
            FileStream fs = new FileStream(@"C:\Users\Martin\Desktop\Project2\WindowsServiceLog.txt",
                                 FileMode.OpenOrCreate, FileAccess.Write);
            StreamWriter m_streamWriter = new StreamWriter(fs);
            m_streamWriter.BaseStream.Seek(0, SeekOrigin.End);
            m_streamWriter.WriteLine(info + "\n");
            m_streamWriter.Flush();
            m_streamWriter.Close();
        }

        protected override void OnStop()
        {
            WriteServiceInfo("Service Stopped!");

        }

        protected override void OnCustomCommand(int command)
        {
            base.OnCustomCommand(command);
            if (command == (int)commands.LogIt)
            {
                IsolatedStorageFile isoFile = IsolatedStorageFile.GetStore(IsolatedStorageScope.User | IsolatedStorageScope.Domain | IsolatedStorageScope.Assembly, null, null);
                IsolatedStorageFileStream isoStream = new IsolatedStorageFileStream("LaptopInfo.txt", FileMode.Append, FileAccess.Write, isoFile);
                using (StreamWriter writer = new StreamWriter(isoStream))
                {
                    writer.WriteLine("Data");
                }
            }
        }

        //protected override void OnCustomCommand(int command)
        //{
        //    switch ((ServiceCustomCommands)command)
        //    {
        //        case ServiceCustomCommands.Command1:
        //            //Command1 Implementation
        //            IsolatedStorageFile isoFile = IsolatedStorageFile.GetStore(IsolatedStorageScope.User | IsolatedStorageScope.Domain | IsolatedStorageScope.Assembly, null, null);
        //            IsolatedStorageFileStream isoStream = new IsolatedStorageFileStream("LaptopInfo.txt", FileMode.Append, FileAccess.Write, isoFile);
        //            using (StreamWriter writer = new StreamWriter(isoStream))
        //            {
        //                writer.WriteLine("Data");
        //            }
        //            //iso = IsolatedStorageScope.User;
        //            break;
        //        case ServiceCustomCommands.Command2:
        //            //iso = IsolatedStorageScope.User | IsolatedStorageScope.Assembly;
        //            break;
        //        default:
        //            break;

        //    }
        //}
    }
}

Answer 1

这里有几件事： 1. 检查您的服务是运行的帐户。使用您的服务安装程序，您可以指定。我用系统测试了你的确切场景（使用你的代码），以确保我可以访问我桌面上 上的文件 作为日志测试并且它工作正常。 2.限制测试用例不记录到孤立的，而是一个简单的文本文件日志。

我还 post 编辑了用于您的另一个 post 的代码 - 所以让我们先清理一下，然后找出要解决的问题。

向 Windows 服务发送命令

Sending Commands to Windows Service

c#

windows

service

command

isolatedstorage