z3950/processz3950queue

   1 #!/usr/bin/perl
   2
   3 # $Id$
   4
   5 use C4::Context;
   6 use DBI;
   7 #use strict;
   8 use C4::Biblio;
   9 use C4::Output;
  10 use C4::Breeding;
  11 use Net::Z3950;
  12
  13
  14 if ($< == 0) {
  15     # Running as root, switch privs
  16     if (-d "/var/run") {
  17         open PID, ">/var/run/processz3950queue.pid";
  18         print PID $$."\n";
  19         close PID;
  20     }
  21     # Get real apacheuser from koha.conf or reparsing httpd.conf
  22     my $apacheuser='www-data';
  23     my $uid=0;
  24     unless ($uid = (getpwnam($apacheuser))[2]) {
  25         die "Attempt to run daemon as non-existent or superuser\n";
  26     }
  27     $>=$uid;
  28     $<=$uid;
  29 }
  30
  31
  32 my $dbh = C4::Context->dbh;
  33
  34 my $sth=$dbh->prepare("update z3950results set active=0");
  35 $sth->execute;
  36 $sth->finish;
  37 $SIG{CHLD}='reap';
  38 $SIG{HUP}='checkqueue';
  39
  40
  41 my $logdir=$ARGV[0];
  42
  43 open PID, ">$logdir/processz3950queue.pid";
  44 print PID $$."\n";
  45 close PID;
  46
  47 my $reapcounter=0;
  48 my $forkcounter=0;
  49 my $checkqueue=1;
  50 my $pid=$$;
  51 my $lastrun=0;
  52 while (1) {
  53         if ((time-$lastrun)>5) {
  54                 print "starting loop\n";
  55                 if ($checkqueue) {
  56                         print "checkqueue=1\n";
  57                         $checkqueue=0;
  58                         my $sth=$dbh->prepare("select id,term,type,servers from z3950queue order by id");
  59                         $sth->execute;
  60                         while (my ($id, $term, $type, $servers) = $sth->fetchrow) {
  61                                 if ($forkcounter<12) {
  62                                         my $now=time();
  63                                         $stk=$dbh->prepare("select id,server,startdate,enddate,numrecords,active from z3950results where queryid=$id");
  64                                         ($stk->execute) || (next);
  65                                         my %serverdone;
  66                                         unless ($stk->rows) {
  67                                                 my $sti=$dbh->prepare("update z3950queue set done=-1,startdate=$now where id=$id");
  68                                                 $sti->execute;
  69                                         }
  70                                         while (my ($r_id, $r_server,$r_startdate,$r_enddate,$r_numrecords,$active) = $stk->fetchrow) {
  71                                                 if ($r_enddate >0) {
  72                                                         $serverdone{$r_server}=1;
  73                                                 } elsif ($active) {
  74                                                         $serverdone{$r_server}=1;
  75                                                 } else {
  76                                                         $serverdone{$r_server}=-1;
  77                                                 }
  78                                         }
  79
  80                                         $stk->finish;
  81                                         my $attr='';
  82                                         if ($type eq 'isbn') {
  83                                                 $attr='1=7';
  84                                         } elsif ($type eq 'title') {
  85                                                 $attr='1=4';
  86                                         } elsif ($type eq 'author') {
  87                                                 $attr='1=1003';
  88                                         } elsif ($type eq 'lccn') {
  89                                                 $attr='1=9';
  90                                         } elsif ($type eq 'keyword') {
  91                                                 $attr='1=1016';
  92                                         }
  93                                         $term='"'.$term.'"';
  94                                         $query="\@attr $attr $term";
  95                                         my $totalrecords=0;
  96                                         my $serverinfo;
  97                                         my $stillprocessing=0;
  98                                         foreach $serverinfo (split(/\s+/, $servers)) {
  99                                                 (next) if ($serverdone{$serverinfo} == 1);
 100                                                 my $stillprocessing=1;
 101                                                 if (my $pid=fork()) {
 102                                                         $forkcounter++;
 103                                                 } else {
 104                                                         #$sth->finish;
 105                                                         #$sti->finish;
 106                                                         #$dbh->disconnect;
 107                                                         my $dbi = C4::Context->dbh;
 108                                                         my ($name, $server, $database, $user, $password) = split(/\//, $serverinfo, 5);
 109                                                         $server=~/(.*)\:(\d+)/;
 110                                                         my $servername=$1;
 111                                                         my $port=$2;
 112                                                         print "Processing $type=$term at $name $server $database (".($forkcounter+1)." forks)\n";
 113                                                         $now=time();
 114                                                         my $q_serverinfo=$dbi->quote($serverinfo);
 115                                                         my $resultsid;
 116                                                         if ($serverdone{$serverinfo}==-1) {
 117                                                                 my $stj=$dbi->prepare("select id from z3950results where server=$q_serverinfo and queryid=$id");
 118                                                                 $stj->execute;
 119                                                                 ($resultsid) = $stj->fetchrow;
 120                                                         } else {
 121                                                                 my $stj=$dbi->prepare("select id from z3950results where server=$q_serverinfo and queryid=$id");
 122                                                                 $stj->execute;
 123                                                                 ($resultsid) = $stj->fetchrow;
 124                                                                 unless ($resultsid) {
 125                                                                         my $stj=$dbi->prepare("insert into z3950results (server, queryid, startdate) values ($q_serverinfo, $id, $now)");
 126                                                                         $stj->execute;
 127                                                                         $resultsid=$dbi->{'mysql_insertid'};
 128                                                                 }
 129                                                         }
 130                                                         my $stj=$dbh->prepare("update z3950results set active=1 where id=$resultsid");
 131                                                         $stj->execute;
 132                                                         my $conn;
 133                                                         my $noconnection=0;
 134                                                         my $error=0;
 135                                                         if ($user) {
 136                                                                 eval { $conn= new Net::Z3950::Connection($servername, $port, databaseName => $database, user => $user, password => $password); };
 137                                                                 if ($@) {
 138                                                                         $noconnection=1;
 139                                                                 } else {
 140                                                                         $error=pe();
 141                                                                 }
 142                                                         } else {
 143                                                                 eval { $conn= new Net::Z3950::Connection($servername, $port, databaseName => $database); };
 144                                                                 if ($@) {
 145                                                                         $noconnection=1;
 146                                                                 } else {
 147                                                                         $error=pe();
 148                                                                 }
 149                                                         }
 150                                                         if ($noconnection || $error) {
 151                                                         } else {
 152                                                                 eval { $conn->option(preferredRecordSyntax => Net::Z3950::RecordSyntax::USMARC);};
 153                                                                 if ($@) {
 154                                                                         print "ERROR: $@\n";
 155                                                                 } else {
 156                                                                         print "Q: $query\n";
 157                                                                         my $rs=$conn->search($query);
 158                                                                         pe();
 159                                                                         my $numresults=$rs->size();
 160                                                                         pe();
 161                                                                         my $i;
 162                                                                         my $result='';
 163                                                                         my $scantimerstart=time();
 164                                                                         for ($i=1; $i<=(($numresults<80) ? ($numresults) : (80)); $i++) {
 165                                                                                 my $rec=$rs->record($i);
 166                                                                                 my $marcdata=$rec->rawdata();
 167                                                                                 $result.=$marcdata;
 168                                                                         }
 169                                                                         my $scantimerend=time();
 170                                                                         my $numrecords;
 171                                                                         ($numresults<80) ? ($numrecords=$numresults) : ($numrecords=80);
 172                                                                         my $elapsed=$scantimerend-$scantimerstart;
 173                                                                         if ($elapsed) {
 174                                                                                 my $speed=int($numresults/$elapsed*100)/100;
 175                                                                                 print "  SPEED: $speed  $server done $numrecords\n";
 176                                                                         }
 177
 178                                                                         my $q_result=$dbi->quote($result);
 179                                                                         ($q_result) || ($q_result='""');
 180                                                                         $now=time();
 181                                                                         my $task="update z3950results set numrecords=$numresults,numdownloaded=$numrecords,highestseen=0,results=$q_result,enddate=$now where id=$resultsid";
 182                                                                         my $stj=$dbi->prepare($task);
 183                                                                         $stj->execute;
 184                                                                         ImportBreeding($q_result,1,"Z3950");
 185                                                                         my $counter=0;
 186                                                                         while ($counter<60 && $numrecords<$numresults) {
 187                                                                                 $counter++;
 188                                                                                 my $stj=$dbi->prepare("select highestseen from z3950results where id=$resultsid");
 189                                                                                 $stj->execute;
 190                                                                                 my ($highestseen) = $stj->fetchrow;
 191                                                                                 if ($highestseen>($numrecords-30)) {
 192                                                                                         $counter=0;
 193                                                                                         print "   $server rescanning\n";
 194                                                                                         my $scantimerstart=time();
 195                                                                                         for ($i=$numrecords+1; $i<=(($numresults<($numrecords+40)) ? ($numresults) : ($numrecords+40)); $i++) {
 196                                                                                                 my $rec=$rs->record($i);
 197                                                                                                 my $marcdata=$rec->rawdata();
 198                                                                                                 $result.=$marcdata;
 199                                                                                         }
 200                                                                                         my $scantimerend=time();
 201                                                                                         ($numresults<$numrecords+40) ? ($numrecords=$numresults) : ($numrecords += 40);
 202                                                                                         my $elapsed=$scantimerend-$scantimerstart;
 203                                                                                         if ($elapsed) {
 204                                                                                                 my $speed=int($numresults/$elapsed*100)/100;
 205                                                                                                 print "  SPEED: $speed  $server done $numrecords\n";
 206                                                                                         }
 207
 208                                                                                         my $q_result=$dbi->quote($result);
 209                                                                                         ($q_result) || ($q_result='""');
 210                                                                                         $now=time();
 211                                                                                         my $task="update z3950results set numdownloaded=$numrecords,results=$q_result where id=$resultsid";
 212                                                                                         my $stj=$dbi->prepare($task);
 213                                                                                         $stj->execute;
 214                                                                                 }
 215                                                                                 sleep 5;
 216                                                                         }
 217                                                                 }
 218                                                         }
 219                                                         # FIXME - There's already a $stj in this scope
 220                                                         my $stj=$dbi->prepare("update z3950results set active=0 where id=$resultsid");
 221                                                         $stj->execute;
 222                                                         eval {$stj->finish};
 223                                                         print "    $server done.\n";
 224                                                         exit;
 225 sub pe {
 226         return 0;
 227         my $code=$conn->errcode();
 228         my $msg=$conn->errmsg();
 229         my $ai=$conn->addinfo();
 230         print << "EOF";
 231 CODE:  $code
 232 MSG:   $msg
 233 ADDTL: $ai
 234 EOF
 235                                                         return 0;
 236                                                         }
 237                                                 }
 238                                         }
 239                                         unless ($stillprocessing) {
 240                                                 #my $sti=$dbh->prepare("select enddate from z3950queue where id=$id");
 241                                                 #$sti->execute;
 242                                                 #my ($enddate) = $sti->fetchrow;
 243                                                 #unless ($enddate) {
 244                                         }
 245                                 } else {
 246                                 }
 247                         }
 248                         $lastrun=time();
 249                 }
 250                 sleep 10;
 251         }
 252 }
 253
 254 # sub getrecord {
 255 #     my $server=shift;
 256 #     my $base=shift;
 257 #     my $query=shift;
 258 #     my $auth=shift;
 259 #     my $id=shift;
 260 #     open  (M, "|yaz-client -m yaz-$id.mrc >>yaz.out 2>>yaz.err");
 261 #     select M;
 262 #     $|=1;
 263 #     select STDOUT;
 264 #     ($auth) && ($auth="authentication $auth\n");
 265 #     print M << "EOF";
 266 # $auth\open $server
 267 # base $base
 268 # setnames
 269 # $query
 270 # s
 271 # s
 272 # s
 273 # s
 274 # s
 275 # s
 276 # s
 277 # s
 278 # s
 279 # s
 280 # quit
 281 # EOF
 282 #     close M;
 283 # }
 284 sub reap {
 285     $forkcounter--;
 286     wait;
 287 }
 288
 289
 290 sub checkqueue {
 291     $checkqueue=1;
 292 }
 293
 294