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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.1172.2.78 and 1.1172.2.79

version 1.1172.2.78, 2016/08/16 17:43:36 version 1.1172.2.79, 2016/08/16 22:28:58
Line 89  use GDBM_File; Line 89  use GDBM_File;
 use HTML::LCParser;  use HTML::LCParser;
 use Fcntl qw(:flock);  use Fcntl qw(:flock);
 use Storable qw(thaw nfreeze);  use Storable qw(thaw nfreeze);
 use Time::HiRes qw( gettimeofday tv_interval );  use Time::HiRes qw( sleep gettimeofday tv_interval );
 use Cache::Memcached;  use Cache::Memcached;
 use Digest::MD5;  use Digest::MD5;
 use Math::Random;  use Math::Random;
Line 102  use LONCAPA::Lond; Line 102  use LONCAPA::Lond;
 use File::Copy;  use File::Copy;
   
 my $readit;  my $readit;
 my $max_connection_retries = 10;     # Or some such value.  my $max_connection_retries = 20;     # Or some such value.
   
 require Exporter;  require Exporter;
   
Line 370  sub subreply { Line 370  sub subreply {
   
     my $lockfile=$peerfile.".lock";      my $lockfile=$peerfile.".lock";
     while (-e $lockfile) { # Need to wait for the lockfile to disappear.      while (-e $lockfile) { # Need to wait for the lockfile to disappear.
  sleep(1);   sleep(0.1);
     }      }
     # At this point, either a loncnew parent is listening or an old lonc      # At this point, either a loncnew parent is listening or an old lonc
     # or loncnew child is listening so we can connect or everything's dead.      # or loncnew child is listening so we can connect or everything's dead.
Line 388  sub subreply { Line 388  sub subreply {
  } else {   } else {
     &create_connection(&hostname($server),$server);      &create_connection(&hostname($server),$server);
  }   }
         sleep(1); # Try again later if failed connection.          sleep(0.1); # Try again later if failed connection.
     }      }
     my $answer;      my $answer;
     if ($client) {      if ($client) {
Line 481  sub critical { Line 481  sub critical {
     close($dfh);      close($dfh);
  }   }
             }              }
             sleep 2;              sleep 1;
             my $wcmd='';              my $wcmd='';
             {              {
  my $dfh;   my $dfh;
Line 7755  sub update_allusers_table { Line 7755  sub update_allusers_table {
   
 sub fetch_enrollment_query {  sub fetch_enrollment_query {
     my ($context,$affiliatesref,$replyref,$dom,$cnum) = @_;      my ($context,$affiliatesref,$replyref,$dom,$cnum) = @_;
     my $homeserver;      my ($homeserver,$sleep,$loopmax);
     my $maxtries = 1;      my $maxtries = 1;
     if ($context eq 'automated') {      if ($context eq 'automated') {
         $homeserver = $perlvar{'lonHostID'};          $homeserver = $perlvar{'lonHostID'};
           $sleep = 2;
           $loopmax = 100;
         $maxtries = 10; # will wait for up to 2000s for retrieval of classlist data before timeout          $maxtries = 10; # will wait for up to 2000s for retrieval of classlist data before timeout
     } else {      } else {
         $homeserver = &homeserver($cnum,$dom);          $homeserver = &homeserver($cnum,$dom);
Line 7776  sub fetch_enrollment_query { Line 7778  sub fetch_enrollment_query {
         &logthis('fetch_enrollment_query: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' context: '.$context.' '.$cnum);           &logthis('fetch_enrollment_query: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' context: '.$context.' '.$cnum); 
         return 'error: '.$queryid;          return 'error: '.$queryid;
     }      }
     my $reply = &get_query_reply($queryid);      my $reply = &get_query_reply($queryid,$sleep.$loopmax);
     my $tries = 1;      my $tries = 1;
     while (($reply=~/^timeout/) && ($tries < $maxtries)) {      while (($reply=~/^timeout/) && ($tries < $maxtries)) {
         $reply = &get_query_reply($queryid);          $reply = &get_query_reply($queryid,$sleep,$loopmax);
         $tries ++;          $tries ++;
     }      }
     if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {      if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {
Line 7821  sub fetch_enrollment_query { Line 7823  sub fetch_enrollment_query {
 }  }
   
 sub get_query_reply {  sub get_query_reply {
     my $queryid=shift;      my ($queryid,$sleep,$loopmax) = @_;
       if (($sleep eq '') || ($sleep !~ /^\d+\.?\d*$/)) {
           $sleep = 0.2;
       }
       if (($loopmax eq '') || ($loopmax =~ /\D/)) {
           $loopmax = 100;
       }
     my $replyfile=LONCAPA::tempdir().$queryid;      my $replyfile=LONCAPA::tempdir().$queryid;
     my $reply='';      my $reply='';
     for (1..100) {      for (1..$loopmax) {
  sleep 2;   sleep($sleep);
         if (-e $replyfile.'.end') {          if (-e $replyfile.'.end') {
     if (open(my $fh,$replyfile)) {      if (open(my $fh,$replyfile)) {
  $reply = join('',<$fh>);   $reply = join('',<$fh>);
Line 9610  sub modify_access_controls { Line 9618  sub modify_access_controls {
     my $tries = 0;      my $tries = 0;
     my $gotlock = &newput('file_permissions',$lockhash,$domain,$user);      my $gotlock = &newput('file_permissions',$lockhash,$domain,$user);
         
     while (($gotlock ne 'ok') && $tries <3) {      while (($gotlock ne 'ok') && $tries < 10) {
         $tries ++;          $tries ++;
         sleep 1;          sleep(0.1);
         $gotlock = &newput('file_permissions',$lockhash,$domain,$user);          $gotlock = &newput('file_permissions',$lockhash,$domain,$user);
     }      }
     if ($gotlock eq 'ok') {      if ($gotlock eq 'ok') {
Removed from v.1.1172.2.78  
changed lines
  Added in v.1.1172.2.79

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