OpenEuphoria

1. Local Area Network Access

• Posted by MichaelB Jan 22, 2010
• 1558 views

This forum is great so much good information, but I haven't found what I need and am probably looking in the wrong place. I am writing software to perform backups across my local network at home. When the backup is done the software will shutdown all the computers. I am sure that there is already software out there to do this, but this is as much as a learning project as it is a functional one.

QUESTION How do I access my network. I have windows xp sp3 and I know that when going through My Computer I can go to My Network Places and see the computer name ex:
abcdef. However when I try to use the win32lib commands to open the computer and a folder nothing happens ex:
abcdefg\My Documents. I am using the standard walk_dir command, but I've also tried using the demo file from win32lib to do this. My win32lib version is 0.70.4a. How can I go about accessing the other computer to write and read files in Euphoria.

Thanks for your help, MichaelB

3. Re: Local Area Network Access

• Posted by ChrisB (moderator) Jan 22, 2010
• 1459 views

Hi

Yes, you must use the net use x:
computer name\share name, where x: is the drive letter you want to assign to the shared resource.

You can do this from a command line (in a batch file), or with system (I think)

Then you can access the drive as if it wer local

Then use net use x: /delete to disconnect the drive, and go on to the next one

I use this in a batch file to monitor for ghostscript files on a linux server, so it connects at startup.

Chris

5. Re: Local Area Network Access

• Posted by MichaelB Jan 23, 2010
• 1405 views

Thank you for the information. I don't understand the UNC pathing though. How could I use that in say software form using one of the commands in win32lib, or is that even possible. On the UNC I am thinking that computer 1 would be the name of the computer as I would see in network places i.e.
abcdefg and share 1 would be a shared folder such as
abcdefg\My Documents. Is this correct? If so it wouldn't work in the walk_dir command. However I think that I can use the Net Use command by doing a shell_execute and assigning my computers. I will play around with this and see what happens. I really appreciate the great advice you've led me in the right direction.

7. Re: Local Area Network Access

• Posted by alanjohnoxley Jan 24, 2010
• 1408 views

Sorry, I meant "movefile", pslist will list processes, not files.

9. Re: Local Area Network Access

• Posted by jacques_desch Jan 25, 2010
• 1366 views

UNC =\\machine_name\share 
 
Say the remmote machine host name is computer1 and that "computer1" share a folder under "docs"  name 
 
UNC =\\computer1\docs 
 
from euphoria you should be able to open a file using: 
 
integer fh 
fh = open("\\computer1\docs\document1","r") 

11. Re: Local Area Network Access

• Posted by m_sabal Jan 27, 2010
• 1264 views

There's no reason why you can't use walk_dir in a win32xxx based program. Just because you're using the Windows API for the UI, it doesn't stop you from using the built-in Euphoria functions for everything else. If you are running Windows, you don't have the option of using DOS. The cmd window and the associated shell commands (like dir, chdir, etc.) are all part of Windows, and they just work. Be careful not to over-engineer the solution. If you are on a network, and you want to access files on a remote computer, as long as you know the computer name and as long as the computer is on and on the network, you can treat those remote files exactly the same as you would treat any local file or directory. It's built into Windows; you don't need any special API for it. If you don't know the computer name, I have to wonder how you can know the names and locations of the files you want to copy.

Here is a simple example of creating a file on a remote computer. All other file-related operations work the exact same way:

 
fn = open("\\\\pa-files2\\data\\pa_data\\_stats\\"&userdata[2],"w") 
if fn < 3 then 
  abort(1) 
end if 
 

Userdata is a sequence populated with information about the local computer. Field 2 happens to be the serial number. Later on I do this:

dlist = dir("C:\\Program Files") 
if sequence(dlist) and length(dlist)>0 then 
  puts(fn,"Contents of Program files directory:\n") 
  for ctr = 1 to length(dlist) do 
    puts(fn,"   "&dlist[ctr][1]&"\n") 
  end for 
end if 

How I have a hidden directory on a remote server that contains a file for each workstation with the contents of the program files directory, along with some other helpful information. I use it to diagnose any potentially harmful or out-of-date software installed on my network against company policy. This runs on Windows natively, no special API or DOS required.