window service in c#

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i have created a window service that moves all file from one folder to other.
my problem is that

i want to move file within LAN, i.e., from one system to other system share folder. i am unable to do it. how can i do this.
how to give credentials so that i can move

below is my code

C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Linq;
using System.ServiceProcess;
using System.Text;
using System.IO;
using System.Timers;
using System.Security.Principal;


namespace filemovet
{
    public partial class Service1 : ServiceBase
    {
        public Timer t = null;
        public Service1()
        {
            InitializeComponent();

        }

        protected override void OnStart(string[] args)
        {
            t = new Timer();
            this.t.Enabled = true;
            this.t.Elapsed += new ElapsedEventHandler(t_tick);
            this.t.Interval = 10000;
        }

        protected override void OnStop()
        {
            this.t.Enabled = false;
        }
        public void t_tick(object sender, EventArgs e)
        {
            try
            {
               

               
                String dest_path = "D:\\output1";
                DirectoryInfo dirInfo = new DirectoryInfo(dest_path);
                if (dirInfo.Exists == false)
                    Directory.CreateDirectory(dest_path);
                List<string> allFiles = Directory.GetFiles("C:\\input\\", "*.*", SearchOption.AllDirectories).ToList();
                foreach (string file in allFiles)
                {
                    FileInfo mFile = new FileInfo(file);
                    if (File.Exists(dirInfo + "\\" + mFile.Name))
                    {

                        File.Delete(dirInfo + "\\" + mFile.Name);
                    }
                    // mFile.CopyTo(dirInfo + "\\" + mFile.Name);
                    mFile.MoveTo(dirInfo + "\\" + mFile.Name);
                }


            }
            catch (Exception ex)
            {

            }
        }
    }
}

Posted 4-Apr-13 2:11am

nishant ranjan13

Updated 4-Apr-13 2:26am

NotPolitcallyCorrect

v2

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Comments

[no name] 4-Apr-13 8:27am

"i am unable to do it", why do you say that you are unable to do this?

nishant ranjan13 4-Apr-13 8:35am

means i am not getting the way how to do this as m new to window form

[no name] 4-Apr-13 8:55am

means what exactly. What exactly is wrong with the code that you already have? means you have to explain what the problem actually is.

nishant ranjan13 4-Apr-13 11:39am

the problem is i am able to move within my system but not within the LAN i.e., if the folder is in my system then it moves but what i want to do is to move file to other system folder within my LAN i.e the other system is in LAN and it has the folder

[no name] 4-Apr-13 12:51pm

Okay and? That in no way explains what your problem actually is. What errors are you getting? What exceptions are you getting? Does anything show up in your event logs? Are you running your service under the Network account or Local system? What do you see when you run your code?

Orcun Iyigun 5-Apr-13 2:27am

Have you tried the solution that I wrote??

nishant ranjan13 5-Apr-13 2:32am

i tried but its not working

nishant ranjan13 5-Apr-13 2:33am

AppDomain.CurrentDomain.SetPrincipalPolicy(PrincipalPolicy.WindowsPrincipal);
WindowsIdentity identity = new WindowsIdentity(username, password);
WindowsImpersonationContext context = identity.Impersonate();
try
{
File.Copy(FilePathToBeCopiedFrom, FilePathToBeCopiedAt, true);
}
catch
{
context.Undo();
}

its giving error incorrect function at "WindowsIdentity identity = new WindowsIdentity(username, password);"

Pheonyx 4-Apr-13 8:30am

If this is a windows service, under what credentials is it running?
Try using the credentials of "Network Service" or an actual domain account that has read and write access to source and destination directories.

nishant ranjan13 4-Apr-13 8:37am

this is window service in my system which checks a local folder input nd if it finds any file there then i want to transfer the file to xyz/share/output folder xyz is other system in lan within my office

2 solutions

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kakan · Answer 1 · 2013-04-04T02:52:00

Solution 1

C#

if (File.Exists(dirInfo + "\\" + mFile.Name))
{

    File.Delete(dirInfo + "\\" + mFile.Name);
}

Doesn't this mean that you delete the file?
And then you try to move it....

Or am I wrong?

Posted 4-Apr-13 2:52am

kakan

Updated 4-Apr-13 3:51am

v2

Comments

[no name] 4-Apr-13 8:59am

Good catch

Pheonyx 4-Apr-13 9:04am

I read that as it removes a file from the destination directory if it already exists .

nishant ranjan13 4-Apr-13 11:33am

yes you are right. as i am moving file so if the file already exists i am deleting it at the destination folder before moving

**Orcun Iyigun** · Answer 2 · 2013-04-04T02:59:00

You have to use Impersonate while accessing over networks.
A basic usage will be

C#

AppDomain.CurrentDomain.SetPrincipalPolicy(PrincipalPolicy.WindowsPrincipal);
WindowsIdentity identity = new WindowsIdentity(username, password);
WindowsImpersonationContext context = identity.Impersonate();
try
{
    File.Copy(FilePathToBeCopiedFrom, FilePathToBeCopiedAt, true);
}
catch
{
    context.Undo();
}

But i will suggest you have a look at this link and use it in your service;
C# accessing or copying files over a network that requires authentication[^]

Good luck,
OI