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Powershell script as a Topshelf/Windows service

0

I'd like to get notified when a specific pattern occurs in some text file so I wrote a simple PowerShell script:

Get-Content 'C:\testfile.txt' -Wait -Tail 50 | Select-String -Pattern 'Sample pattern'

I'd rather run it as a topshelf service. I've already produced the following code:

public class MyService

 private string doWork;

 public string Path
 
 get
 
 return @"C:\testfile.txt";
 
 

 public void Start()
 
 while (this.doWork)
 
 var script = $"Get-Content 'Path' -Wait -Tail 50 
 

 public void Stop()
 
 this.doWork = false;
 




public class Program

 static void Main(string[] args)
 
 var rc = HostFactory.Run(
 x =>
 
 x.Service<MyService>(
 s =>
 
 s.ConstructUsing(name => new MyService());
 s.WhenStarted(tc => tc.Start());
 s.WhenStopped(tc => tc.Stop());
 );
 x.RunAsLocalSystem();
 x.StartAutomatically();
 x.SetDescription("Sample Topshelf Host");
 x.SetDisplayName("Sample display name");
 x.SetServiceName("Sample service name");
 );

 var exitCode = (int)Convert.ChangeType(rc, rc.GetTypeCode());
 Environment.ExitCode = exitCode;
 

The solutions builds fine.I ran it in a debug mode, but for some reason I don't see the expected output on the console so I assume that there is some problem which I tried to figure out myself but without effect.
Is there any way to make this program working as expected? If anyone could provide some guidance or even proper solution I'd be grateful.

c# windows powershell service topshelf

share|improve this question

edited Mar 8 at 17:34

TheIncorrigible1

10.8k31437

asked Mar 8 at 17:31

Dave LeeDave Lee

1

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  PowerShell.Streams has more than just Error. Try checking and writing to the console for all the streams (Debug, Error, Information, Progress, Verbose, and Warning).
  
  – Lews Therin
  Mar 8 at 17:46
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  FYI this will fail if you deploy it as a service, as the Service Control Manager will see that Start hasn't returned, and assume the service has failed to install, See this question or for more detail this issue
  
  – stuartd
  Mar 8 at 17:48
  

  
  
  
  

add a comment | 

0

I'd like to get notified when a specific pattern occurs in some text file so I wrote a simple PowerShell script:

Get-Content 'C:\testfile.txt' -Wait -Tail 50 | Select-String -Pattern 'Sample pattern'

I'd rather run it as a topshelf service. I've already produced the following code:

public class MyService

 private string doWork;

 public string Path
 
 get
 
 return @"C:\testfile.txt";
 
 

 public void Start()
 
 while (this.doWork)
 
 var script = $"Get-Content 'Path' -Wait -Tail 50 
 

 public void Stop()
 
 this.doWork = false;
 




public class Program

 static void Main(string[] args)
 
 var rc = HostFactory.Run(
 x =>
 
 x.Service<MyService>(
 s =>
 
 s.ConstructUsing(name => new MyService());
 s.WhenStarted(tc => tc.Start());
 s.WhenStopped(tc => tc.Stop());
 );
 x.RunAsLocalSystem();
 x.StartAutomatically();
 x.SetDescription("Sample Topshelf Host");
 x.SetDisplayName("Sample display name");
 x.SetServiceName("Sample service name");
 );

 var exitCode = (int)Convert.ChangeType(rc, rc.GetTypeCode());
 Environment.ExitCode = exitCode;
 

The solutions builds fine.I ran it in a debug mode, but for some reason I don't see the expected output on the console so I assume that there is some problem which I tried to figure out myself but without effect.
Is there any way to make this program working as expected? If anyone could provide some guidance or even proper solution I'd be grateful.

c# windows powershell service topshelf

share|improve this question

edited Mar 8 at 17:34

TheIncorrigible1

10.8k31437

asked Mar 8 at 17:31

Dave LeeDave Lee

1

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  PowerShell.Streams has more than just Error. Try checking and writing to the console for all the streams (Debug, Error, Information, Progress, Verbose, and Warning).
  
  – Lews Therin
  Mar 8 at 17:46
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  FYI this will fail if you deploy it as a service, as the Service Control Manager will see that Start hasn't returned, and assume the service has failed to install, See this question or for more detail this issue
  
  – stuartd
  Mar 8 at 17:48
  

  
  
  
  

add a comment | 

I'd like to get notified when a specific pattern occurs in some text file so I wrote a simple PowerShell script:

Get-Content 'C:\testfile.txt' -Wait -Tail 50 | Select-String -Pattern 'Sample pattern'

I'd rather run it as a topshelf service. I've already produced the following code:

public class MyService

 private string doWork;

 public string Path
 
 get
 
 return @"C:\testfile.txt";
 
 

 public void Start()
 
 while (this.doWork)
 
 var script = $"Get-Content 'Path' -Wait -Tail 50 
 

 public void Stop()
 
 this.doWork = false;
 




public class Program

 static void Main(string[] args)
 
 var rc = HostFactory.Run(
 x =>
 
 x.Service<MyService>(
 s =>
 
 s.ConstructUsing(name => new MyService());
 s.WhenStarted(tc => tc.Start());
 s.WhenStopped(tc => tc.Stop());
 );
 x.RunAsLocalSystem();
 x.StartAutomatically();
 x.SetDescription("Sample Topshelf Host");
 x.SetDisplayName("Sample display name");
 x.SetServiceName("Sample service name");
 );

 var exitCode = (int)Convert.ChangeType(rc, rc.GetTypeCode());
 Environment.ExitCode = exitCode;
 

The solutions builds fine.I ran it in a debug mode, but for some reason I don't see the expected output on the console so I assume that there is some problem which I tried to figure out myself but without effect.
Is there any way to make this program working as expected? If anyone could provide some guidance or even proper solution I'd be grateful.

c# windows powershell service topshelf

share|improve this question

edited Mar 8 at 17:34

TheIncorrigible1

10.8k31437

asked Mar 8 at 17:31

Dave LeeDave Lee

1

Get-Content 'C:\testfile.txt' -Wait -Tail 50 | Select-String -Pattern 'Sample pattern'

public class MyService

 private string doWork;

 public string Path
 
 get
 
 return @"C:\testfile.txt";
 
 

 public void Start()
 
 while (this.doWork)
 
 var script = $"Get-Content 'Path' -Wait -Tail 50 
 

 public void Stop()
 
 this.doWork = false;
 




public class Program

 static void Main(string[] args)
 
 var rc = HostFactory.Run(
 x =>
 
 x.Service<MyService>(
 s =>
 
 s.ConstructUsing(name => new MyService());
 s.WhenStarted(tc => tc.Start());
 s.WhenStopped(tc => tc.Stop());
 );
 x.RunAsLocalSystem();
 x.StartAutomatically();
 x.SetDescription("Sample Topshelf Host");
 x.SetDisplayName("Sample display name");
 x.SetServiceName("Sample service name");
 );

 var exitCode = (int)Convert.ChangeType(rc, rc.GetTypeCode());
 Environment.ExitCode = exitCode;
 

share|improve this question

edited Mar 8 at 17:34

TheIncorrigible1

10.8k31437

asked Mar 8 at 17:31

Dave LeeDave Lee

1

share|improve this question

edited Mar 8 at 17:34

TheIncorrigible1

10.8k31437

asked Mar 8 at 17:31

Dave LeeDave Lee

1

edited Mar 8 at 17:34

TheIncorrigible1

10.8k31437

edited Mar 8 at 17:34

TheIncorrigible1

10.8k31437

asked Mar 8 at 17:31

Dave LeeDave Lee

1

asked Mar 8 at 17:31

Dave LeeDave Lee

1