my @lines = read_file('/tmp/test.txt');
chomp(@lines);

my $sql = q|select * from table_name where srcaddr = ? or dstaddr = ?;
foreach my $line (@lines) {
        $sth->execute($line, $line) or die "Can't execute SQL statement: $DBI::errstr\n";
        my @all_rows;
        while (($line) = $sth->fetchrow_array()) {
                 push(@all_rows, $line);
        }
        foreach (@all_rows) {
                print "$_\n";
       }
}