/[cvs]/nfo/perl/libs/Data/Transfer/Sync.pm
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revision 1.9 by jonen, Mon Dec 16 07:02:34 2002 UTC revision 1.11 by joko, Mon Dec 23 07:10:59 2002 UTC
# Line 6  Line 6 
6  ##  ##
7  ##    ----------------------------------------------------------------------------------------  ##    ----------------------------------------------------------------------------------------
8  ##    $Log$  ##    $Log$
9    ##    Revision 1.11  2002/12/23 07:10:59  joko
10    ##    + using MD5 for checksum generation again - the 32-bit integer hash from DBI seems to be too lazy
11    ##
12    ##    Revision 1.10  2002/12/19 01:07:16  joko
13    ##    + fixed output done via $logger
14    ##
15  ##    Revision 1.9  2002/12/16 07:02:34  jonen  ##    Revision 1.9  2002/12/16 07:02:34  jonen
16  ##    + added comment  ##    + added comment
17  ##  ##
# Line 124  sub prepareOptions { Line 130  sub prepareOptions {
130    $opts->{erase} ||= 0;    $opts->{erase} ||= 0;
131    #$opts->{import} ||= 0;    #$opts->{import} ||= 0;
132        
133    $logger->info( __PACKAGE__ . "->prepareOptions( source_node $opts->{source_node} mode $opts->{mode} erase $opts->{erase} prepare $opts->{prepare} )");    $logger->notice( __PACKAGE__ . "->prepareOptions( source_node $opts->{source_node} mode $opts->{mode} erase $opts->{erase} prepare $opts->{prepare} )");
134    
135    if (!$opts->{mapping} || !$opts->{mapping_module}) {    if (!$opts->{mapping} || !$opts->{mapping_module}) {
136      $logger->warning( __PACKAGE__ . "->prepareOptions: No mapping supplied - please check key 'mappings' in BizWorks/Config.pm");      $logger->warning( __PACKAGE__ . "->prepareOptions: No mapping supplied - please check key 'mappings' in BizWorks/Config.pm");
# Line 712  sub _calcChecksum { Line 718  sub _calcChecksum {
718      #$logger->dump( __PACKAGE__ . ": " . $dump );      #$logger->dump( __PACKAGE__ . ": " . $dump );
719        
720    # calculate checksum from dump    # calculate checksum from dump
721        # note: the 32-bit integer hash from DBI seems
722        # to generate duplicates with small payloads already in ranges of hundreds of items/rows!!!
723        # try to avoid to use it or try to use it only for payloads greater than, hmmm, let's say 30 chars?
724        # (we had about 15 chars average per item (row))
725    
726      # md5-based fingerprint, base64 encoded (from Digest::MD5)      # md5-based fingerprint, base64 encoded (from Digest::MD5)
727        #my $checksum_cur = md5_base64($objdump) . '==';        $self->{node}->{$descent}->{checksum} = md5_base64($dump) . '==';
728      # 32-bit integer "hash" value (maybe faster?) (from DBI)      # 32-bit integer "hash" value (maybe faster?) (from DBI)
729        $self->{node}->{$descent}->{checksum} = DBI::hash($dump, 1);        #$self->{node}->{$descent}->{checksum} = DBI::hash($dump, 1);
730    
731    # signal good    # signal good
732    return 1;    return 1;
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