Rolf Harold Nelson > SyslogScan > SyslogScan::Delivery

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Module Version: 0.2   Source  

NAME ^

SyslogScan::Delivery - encapsulates a logged, successful delivery of mail from a sender to a list of recipients.

SYNOPSIS ^

see SyslogScan::DeliveryIterator

DESCRIPTION ^

A 'Delivery' object is an indication that mail was successfully delivered or forwarded from a sender to a list of recipients. You can extract Delivery objects from a syslog file by using SyslogScan::DeliveryIterator.

Variables

    my $delivery = $iter -> next();
    
    #-----------------------------------------
    #  Sender, ReceiverList, Size, and Date are the most useful
    #-----------------------------------------
    
    # e-mail address of sender, may be 'undef' if the sender
    # could not be determined from the syslog
    my $sender = $$delivery{Sender};
    
    # reference to array of e-mail addresses of recipients
    my $paReceiverList = $$delivery{ReceiverList};
    my @aReceiverList = @$paReceiverList;
    print "The recipient(s) of the message was (were) ",
        join(' ',@aReceiverList), "\n";
    
    # size of message, may be 'undef' if the size could not be
    # determined from the syslog
    my $sizeInBytes = $$delivery{Size};
    
    # date the message was succesfully delivered or forwarded
    my $date = $$delivery{Date};
    
    #-----------------------------------------
    #    Id and Instance are more advanced features
    #-----------------------------------------
    
    # 'id' in syslog, useful for cross-referencing
    my $id = $$delivery{Id};
    
    # The first delivery of any message has Instance of 1; the next
    # deliveries will have Instance > 1, specifically a number equal to
    # the number of people who the message has previously been delivered
    # to, plus 1.  This is useful for detecing mass-mailings.
    
    # Suppose I send a message to 5 people, but only three copies are
    # delivered right away, the other two are deferred.  The first
    # Delivery has instance 1; the next delivery of the same message
    # will have instance 4.
    my $instance = $$delivery{Instance};
    my @aReceiverList = @{$$delivery{ReceiverList}};
    print "This message has so far been delivered to ",
        $instance + $@aReceiverList - 1, "people so far\n";

METHODS ^

    # Manually create a new Delivery object.
    my $delivery = new SyslogScan::Delivery (Date => time(),
                                         Size => 100,
                                         From => 'foo@bar.com',
                                         ReceiverList =>
                                           [him@baz.edu, her@baz.edu],
                                         Instance => 1,
                                         Id => 'manual' . $id++);
    
    # print out contents, either in summary or in verbose mode
    print $delivery -> summary();
    print $delivery -> dump();
    
    # save/restore delivery to/from file
    open(OUT,">save.txt");
    $delivery -> persist(\*OUT);
    close(OUT);
    undef($delivery);
    
    open(IN,"save.txt");
    $delivery = SyslogScan::Delivery -> restore(\*IN);
    # $delivery is restored to its original state

SUPPORT ^

E-mail bugs to rolf@usa.healthnet.org.

AUTHOR and COPYRIGHT ^

This code is Copyright (C) SatelLife, Inc. 1996. All rights reserved. This code is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

IN NO EVENT SHALL THE AUTHORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION (INCLUDING, BUT NOT LIMITED TO, LOST PROFITS) EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

SEE ALSO ^

SyslogScan::DeliveryIterator, SyslogScan::Summary

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