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killermist
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Joined: 10 May 2003
Posts: 19
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 Posted: Sat May 10, 2003 12:07 pm Post subject: CGI disk access problem |
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I have a CGI program that I have written with Powerbasic Console Compiler, and it runs excellently on the Tinyweb server, but when I try to use it on the Abyss X1 server, it hangs horribly any time I attempt to write to the hard disk. Reading seems to pose no problem, but writing seems to be a problem.
Any suggestions?
The program in question is http://killermist.d2g.com:85/cgi-bin/index.exe as it is rendered by Tinyweb. |
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aprelium
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Joined: 22 Mar 2002
Posts: 6800
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| Posted: Sat May 10, 2003 11:49 pm Post subject: Re: CGI disk access problem |
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| killermist wrote: | I have a CGI program that I have written with Powerbasic Console Compiler, and it runs excellently on the Tinyweb server, but when I try to use it on the Abyss X1 server, it hangs horribly any time I attempt to write to the hard disk. Reading seems to pose no problem, but writing seems to be a problem.
Any suggestions?
The program in question is http://killermist.d2g.com:85/cgi-bin/index.exe as it is rendered by Tinyweb. |
It is your index.exe that writes to the disk, not Abyss. So you should investigate why it is so long to do so. Having the source code may help to know what is wrong.
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killermist
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Joined: 10 May 2003
Posts: 19
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| Posted: Sun May 11, 2003 8:08 pm Post subject: |
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| Code: | Function WriteFile(kmfilename$, datagram$) As Long
Dim filehandle As Long
filehandle=FreeFile
Open kmfilename$ For Output As filehandle
Print # filehandle, datagram$
Function = 1
Close filehandle
End Function |
This is the page called when the page where editing occurs posts it's data (the new page with username and password) to the script.
| Code: | Function Viewdoedit() As Long
Dim x As Long
Dim temp$, temp1$
If inputlookup("user") = "killermist" And inputlookup("password") = "**********" Then
temp$=inputlookup("content")
If temp$<>"||undef||" Then
x=writefile(Environ$("CGI-Root")+"\kmlinks.kmd", temp$)
End If
temp1$="Contents updated."
Else
temp1$="Authentication failed. Contents not updated."
End If
'x=viewhome()
StdOut $htmlplug
StdOut "<html>"
StdOut "<head>"
StdOut "<title>Response processed.</title>"
StdOut "</head>"
StdOut "<body>"
StdOut "Response processed.<br>"
StdOut "Details are as follows:<br>"
StdOut temp1$+"<br>"
StdOut "<a href='/cgi-bin/index.exe'>Click here</a> to return to home page."
StdOut "</body>"
StdOut "</html>"
End Function |
And, yes, before you ask I do make sure to set the environmental variable for CGI-Root. With TinyWeb I have to actually set the environmental variable in the Windows Environment. But for Abyss, I make sure to set it in the Abyss environment table. And I have double-checked it to make sure that the variable is in fact making it to the program. http://killermist.d2g.com:86/cgi-bin/second.exe is my diagnostic script. It returns the entire environment and the contents of any get or post data (if available). |
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aprelium
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Joined: 22 Mar 2002
Posts: 6800
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| Posted: Sun May 11, 2003 9:07 pm Post subject: |
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Have tried to debug the writefile function when invoked from the script run by Abyss Web Server?
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killermist
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Joined: 10 May 2003
Posts: 19
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| Posted: Sun May 11, 2003 10:19 pm Post subject: |
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Ok, I added more debugging code that should have cleared things up, but instead has made things even more confusing.
Now, the write procedure will 80% of the time, lockup solid, and 20% of the time, work perfectly. The problem is that for each one that locks up solid, it's another thread of the index.exe sitting in memory taking up space and doing nothing. |
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aprelium
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Joined: 22 Mar 2002
Posts: 6800
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| Posted: Mon May 12, 2003 7:56 pm Post subject: |
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| killermist wrote: | Ok, I added more debugging code that should have cleared things up, but instead has made things even more confusing.
Now, the write procedure will 80% of the time, lockup solid, and 20% of the time, work perfectly. The problem is that for each one that locks up solid, it's another thread of the index.exe sitting in memory taking up space and doing nothing. |
Abyss Web Server launches CGI .exe just as explorer does when you double click on a program icon. Nothing special is done except filling the ENV with some variables and redirecting the standard output and input handles to Abyss. This works perfectly on all the CGI exe we've tested including huge and complex one (PHP/Perl/etc...)
To debug your app, you can write to the standard error handle. This will automatically send what you write there to the cgi.log file to ease debugging.
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