I think it would be useful for you to narrow the problem down. From what I understand, the client is connected - and remains connected - to the server, but the data stops flowing over the connection despite the fact that the file you're tailing continues to grow.

I suggest writing a quick test script to run File::Tail on the file in exactly the same way as you do in interact(): 

$filename=...

$file=File::Tail->new(name=>$filename, maxinterval=>5, interval=+>1, t
+ail=>-1, errmode=>\&do_exit);

while ( defined($line=$file->read) )
  {
    print localtime()." ".$line;
  }

[download]
I suggest you run this on the server host, in parallel with your existing client/server code. Redirect the output to some file. If the problem recurs, you check to see if this little test script also failed. If so, you know the problem is with tail. If not, it's most likely to be a network issue.

Alternatively of course, you could add some extra logging to your existing server code. You'll probably end up having to do that anyway.

In general I don't think you can collect enough debugging information in a situation like this. Make every part of your code print out something to a log to tell you what it's doing.

In reply to Re: Weird IO::Socket problem by thparkth
in thread Weird IO::Socket problem by hallikpapa

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