Dear Monks,

I have a script monitors a PBX that is streaming call data via specific port and saves this data to a database. The problem I am having is that the script does not notice when the PBX goes offline and will not reconnect when the PBX comes back online(some of these PBXes have programmed reboots in the night). I was wondering what would be the best way for me to add an "alive" type of check to this script to monitor if the PBX is alive and if not to keep testing until it does come alive again at which point it will reconnect to the streaming port. I assume we could use a ping type test for this maybe?

See current code below:

use DBI; use strict; use IO::Socket; use POSIX; # initialize host and port my $host = shift || $ARGV[0]; my $port = shift || $ARGV[1]; my $proto = getprotobyname('tcp'); my $iaddr = inet_aton($host); my $paddr = sockaddr_in($port, $iaddr); for(;;){ my $sock = new IO::Socket::INET(PeerAddr => $host, PeerPort => $port,P +roto => "tcp",) or die "Cannot connect to PBX at address: $host port: $port: $!"; while (<$sock>) { s/^\0+//; # Remove leading null characters print $_; chomp ($_); #$_ =~ s/^[^ ]+//; if ($_ =~m"/") { &TXTout; #send data to the data logging subroutine &DBconnect; #send data to the database subroutine } } #Close While loop sub TXTout { my $dir = "/var/log/smdr/"; # please ensure you create this director +y to get your log files my $filename = strftime("%B%d%Y",localtime(time)); my $fileexpression = $dir.$filename; if (-e $fileexpression){ open(FILE, ">>$fileexpression"); print FILE $_; close (FILE); } else { open FILE, >$fileexpression; print FILE $_; close (FILE); } } sub DBconnect { # MySQL Connection parameters my $dbuser= "root"; my $dbpassword= "Adm1n!"; my $dbhost= "localhost"; my ($line, $mon, $day, $stime, $pm, $hrs, $mins, $sec, $callp, $leaddi +git, $callno, $speed, $callp2, $transf, $acccode, $sysid, $tester); $mon = substr ($_, 1,2); $day = substr ($_, 4,2); $stime = substr($_, 7,5); $pm = substr($_, 12,1); $hrs = substr($_, 14,2); $mins = substr($_, 17,2); $sec = substr($_, 20,2); $callp = substr($_, 23,4); $leaddigit = substr($_, 29,3); $callno = substr($_, 33,26); $speed = substr($_, 60,1); $callp2 = substr($_, 61,5); $transf = substr($_, 67,5); $acccode = substr($_, 72,12); $sysid = substr($_, 85,3); $tester = strftime( "%Y",localtime(time)); if ($acccode == ""){$acccode = 0} # Establish the connection which returns a DB handle my $dbh= DBI->connect("dbi:mysql:database=smdr;host=$dbhost",$dbuser,$ +dbpassword) or die $DBI::errstr; # Prepare the SQL statement my $sth= $dbh->prepare("INSERT INTO import VALUE(?,?,?,?,?,?,?,?,?,?,? +,?,?,?,?,?,?)") or die $DBI::errstr; # Send the statement to the server $sth->execute($mon,$day,$stime,$pm,$hrs,$mins,$sec,$callp,$leaddigit,$ +callno,$speed,$callp2,$transf,$acccode,$sysid,$tester,''); # Close the database connection $dbh->disconnect or die $DBI::errstr; } #Close DBconnect subroutine #close the socket close $sock or die "close: $!"; print "socket closed"; print "<br />"; }

In reply to Telnet session disconnect testing by bajangerry

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.