version 1.363, 2007/03/28 00:05:38
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version 1.365, 2007/03/28 22:14:33
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Line 33 use strict;
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Line 33 use strict;
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use lib '/home/httpd/lib/perl/'; |
use lib '/home/httpd/lib/perl/'; |
use LONCAPA; |
use LONCAPA; |
use LONCAPA::Configuration; |
use LONCAPA::Configuration; |
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use Apache::lonnet; |
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use IO::Socket; |
use IO::Socket; |
use IO::File; |
use IO::File; |
Line 49 use localenroll;
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Line 50 use localenroll;
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use localstudentphoto; |
use localstudentphoto; |
use File::Copy; |
use File::Copy; |
use File::Find; |
use File::Find; |
use LONCAPA::ConfigFileEdit; |
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use LONCAPA::lonlocal; |
use LONCAPA::lonlocal; |
use LONCAPA::lonssl; |
use LONCAPA::lonssl; |
use Fcntl qw(:flock); |
use Fcntl qw(:flock); |
Line 1032 sub ping_handler {
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Line 1032 sub ping_handler {
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sub pong_handler { |
sub pong_handler { |
my ($cmd, $tail, $replyfd) = @_; |
my ($cmd, $tail, $replyfd) = @_; |
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my $reply=&reply("ping",$clientname); |
my $reply=&Apache::lonnet::reply("ping",$clientname); |
&Reply( $replyfd, "$currenthostid:$reply\n", "$cmd:$tail"); |
&Reply( $replyfd, "$currenthostid:$reply\n", "$cmd:$tail"); |
return 1; |
return 1; |
} |
} |
Line 1142 sub load_handler {
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Line 1142 sub load_handler {
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sub user_load_handler { |
sub user_load_handler { |
my ($cmd, $tail, $replyfd) = @_; |
my ($cmd, $tail, $replyfd) = @_; |
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my $userloadpercent=&userload(); |
my $userloadpercent=&Apache::lonnet::userload(); |
&Reply($replyfd, "$userloadpercent\n", "$cmd:$tail"); |
&Reply($replyfd, "$userloadpercent\n", "$cmd:$tail"); |
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return 1; |
return 1; |
Line 1850 sub update_resource_handler {
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Line 1850 sub update_resource_handler {
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my $now=time; |
my $now=time; |
my $since=$now-$atime; |
my $since=$now-$atime; |
if ($since>$perlvar{'lonExpire'}) { |
if ($since>$perlvar{'lonExpire'}) { |
my $reply=&reply("unsub:$fname","$clientname"); |
my $reply=&Apache::lonnet::reply("unsub:$fname","$clientname"); |
&devalidate_meta_cache($fname); |
&devalidate_meta_cache($fname); |
unlink("$fname"); |
unlink("$fname"); |
unlink("$fname.meta"); |
unlink("$fname.meta"); |
} else { |
} else { |
my $transname="$fname.in.transfer"; |
my $transname="$fname.in.transfer"; |
my $remoteurl=&reply("sub:$fname","$clientname"); |
my $remoteurl=&Apache::lonnet::reply("sub:$fname","$clientname"); |
my $response; |
my $response; |
alarm(120); |
alarm(120); |
{ |
{ |
Line 1901 sub devalidate_meta_cache {
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Line 1901 sub devalidate_meta_cache {
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my ($url) = @_; |
my ($url) = @_; |
use Cache::Memcached; |
use Cache::Memcached; |
my $memcache = new Cache::Memcached({'servers'=>['127.0.0.1:11211']}); |
my $memcache = new Cache::Memcached({'servers'=>['127.0.0.1:11211']}); |
$url = &declutter($url); |
$url = &Apache::lonnet::declutter($url); |
$url =~ s-\.meta$--; |
$url =~ s-\.meta$--; |
my $id = &escape('meta:'.$url); |
my $id = &escape('meta:'.$url); |
$memcache->delete($id); |
$memcache->delete($id); |
} |
} |
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sub declutter { |
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my $thisfn=shift; |
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$thisfn=~s/^\Q$perlvar{'lonDocRoot'}\E//; |
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$thisfn=~s/^\///; |
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$thisfn=~s|^adm/wrapper/||; |
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$thisfn=~s|^adm/coursedocs/showdoc/||; |
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$thisfn=~s/^res\///; |
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$thisfn=~s/\?.+$//; |
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return $thisfn; |
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} |
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# |
# |
# Fetch a user file from a remote server to the user's home directory |
# Fetch a user file from a remote server to the user's home directory |
# userfiles subdir. |
# userfiles subdir. |
Line 4452 sub get_institutional_code_format_handle
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Line 4442 sub get_institutional_code_format_handle
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\%cat_titles, |
\%cat_titles, |
\%cat_order); |
\%cat_order); |
if ($formatreply eq 'ok') { |
if ($formatreply eq 'ok') { |
my $codes_str = &hash2str(%codes); |
my $codes_str = &Apache::lonnet::hash2str(%codes); |
my $codetitles_str = &array2str(@codetitles); |
my $codetitles_str = &Apache::lonnet::array2str(@codetitles); |
my $cat_titles_str = &hash2str(%cat_titles); |
my $cat_titles_str = &Apache::lonnet::hash2str(%cat_titles); |
my $cat_order_str = &hash2str(%cat_order); |
my $cat_order_str = &Apache::lonnet::hash2str(%cat_order); |
&Reply($client, |
&Reply($client, |
$codes_str.':'.$codetitles_str.':'.$cat_titles_str.':' |
$codes_str.':'.$codetitles_str.':'.$cat_titles_str.':' |
.$cat_order_str."\n", |
.$cat_order_str."\n", |
Line 5287 sub status {
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Line 5277 sub status {
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$0='lond: '.$what.' '.$local; |
$0='lond: '.$what.' '.$local; |
} |
} |
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# ----------------------------------------------------------- Send USR1 to lonc |
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sub reconlonc { |
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my $peerfile=shift; |
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&logthis("Trying to reconnect for $peerfile"); |
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my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid"; |
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if (my $fh=IO::File->new("$loncfile")) { |
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my $loncpid=<$fh>; |
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chomp($loncpid); |
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if (kill 0 => $loncpid) { |
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&logthis("lonc at pid $loncpid responding, sending USR1"); |
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kill USR1 => $loncpid; |
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} else { |
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&logthis( |
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"<font color='red'>CRITICAL: " |
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."lonc at pid $loncpid not responding, giving up</font>"); |
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} |
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} else { |
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&logthis('<font color="red">CRITICAL: lonc not running, giving up</font>'); |
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} |
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} |
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sub create_connection { |
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my ($server) = @_; |
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my $client=IO::Socket::UNIX->new(Peer => $perlvar{'lonSockCreate'}, |
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Type => SOCK_STREAM, |
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Timeout => 10); |
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return 0 if (!$client); |
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print $client ("$server\n"); |
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my $result = <$client>; |
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chomp($result); |
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return 1 if ($result eq 'done'); |
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return 0; |
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} |
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# -------------------------------------------------- Non-critical communication |
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my $max_connection_retries = 10; |
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sub subreply { |
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my ($cmd,$server)=@_; |
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my $peerfile="$perlvar{'lonSockDir'}/".$hostname{$server}; |
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my $sclient; |
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for (my $retries = 0; $retries < $max_connection_retries; $retries++) { |
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$sclient=IO::Socket::UNIX->new(Peer =>"$peerfile", |
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Type => SOCK_STREAM, |
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Timeout => 10); |
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if($sclient) { |
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last; # Connected! |
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} else { |
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&create_connection($hostname{$server}); |
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} |
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sleep(1); # Try again later if failed connection. |
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} |
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print $sclient "sethost:$server:$cmd\n"; |
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my $answer=<$sclient>; |
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chomp($answer); |
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if (!$answer) { $answer="con_lost"; } |
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return $answer; |
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} |
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sub reply { |
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my ($cmd,$server)=@_; |
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my $answer; |
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if ($server ne $currenthostid) { |
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$answer=subreply($cmd,$server); |
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if ($answer eq 'con_lost') { |
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$answer=subreply("ping",$server); |
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if ($answer ne $server) { |
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&logthis("sub reply: answer != server answer is $answer, server is $server"); |
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&reconlonc("$perlvar{'lonSockDir'}/".$hostname{$server}); |
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} |
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$answer=subreply($cmd,$server); |
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} |
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} else { |
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$answer='self_reply'; |
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} |
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return $answer; |
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} |
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# -------------------------------------------------------------- Talk to lonsql |
# -------------------------------------------------------------- Talk to lonsql |
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sub sql_reply { |
sub sql_reply { |
Line 6351 sub version {
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Line 6263 sub version {
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return "version:$VERSION"; |
return "version:$VERSION"; |
} |
} |
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#There is a copy of this in lonnet.pm |
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sub userload { |
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my $numusers=0; |
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{ |
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opendir(LONIDS,$perlvar{'lonIDsDir'}); |
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my $filename; |
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my $curtime=time; |
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while ($filename=readdir(LONIDS)) { |
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if ($filename eq '.' || $filename eq '..') {next;} |
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my ($mtime)=(stat($perlvar{'lonIDsDir'}.'/'.$filename))[9]; |
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if ($curtime-$mtime < 1800) { $numusers++; } |
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} |
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closedir(LONIDS); |
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} |
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my $userloadpercent=0; |
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my $maxuserload=$perlvar{'lonUserLoadLim'}; |
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if ($maxuserload) { |
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$userloadpercent=100*$numusers/$maxuserload; |
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} |
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$userloadpercent=sprintf("%.2f",$userloadpercent); |
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return $userloadpercent; |
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} |
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# Routines for serializing arrays and hashes (copies from lonnet) |
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sub array2str { |
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my (@array) = @_; |
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my $result=&arrayref2str(\@array); |
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$result=~s/^__ARRAY_REF__//; |
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$result=~s/__END_ARRAY_REF__$//; |
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return $result; |
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} |
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sub arrayref2str { |
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my ($arrayref) = @_; |
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my $result='__ARRAY_REF__'; |
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foreach my $elem (@$arrayref) { |
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if(ref($elem) eq 'ARRAY') { |
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$result.=&arrayref2str($elem).'&'; |
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} elsif(ref($elem) eq 'HASH') { |
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$result.=&hashref2str($elem).'&'; |
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} elsif(ref($elem)) { |
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#print("Got a ref of ".(ref($elem))." skipping."); |
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} else { |
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$result.=&escape($elem).'&'; |
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} |
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} |
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$result=~s/\&$//; |
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$result .= '__END_ARRAY_REF__'; |
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return $result; |
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} |
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sub hash2str { |
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my (%hash) = @_; |
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my $result=&hashref2str(\%hash); |
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$result=~s/^__HASH_REF__//; |
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$result=~s/__END_HASH_REF__$//; |
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return $result; |
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} |
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sub hashref2str { |
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my ($hashref)=@_; |
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my $result='__HASH_REF__'; |
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foreach (sort(keys(%$hashref))) { |
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if (ref($_) eq 'ARRAY') { |
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$result.=&arrayref2str($_).'='; |
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} elsif (ref($_) eq 'HASH') { |
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$result.=&hashref2str($_).'='; |
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} elsif (ref($_)) { |
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$result.='='; |
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#print("Got a ref of ".(ref($_))." skipping."); |
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} else { |
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if ($_) {$result.=&escape($_).'=';} else { last; } |
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} |
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if(ref($hashref->{$_}) eq 'ARRAY') { |
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$result.=&arrayref2str($hashref->{$_}).'&'; |
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} elsif(ref($hashref->{$_}) eq 'HASH') { |
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$result.=&hashref2str($hashref->{$_}).'&'; |
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} elsif(ref($hashref->{$_})) { |
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$result.='&'; |
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#print("Got a ref of ".(ref($hashref->{$_}))." skipping."); |
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} else { |
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$result.=&escape($hashref->{$_}).'&'; |
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} |
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} |
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$result=~s/\&$//; |
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$result .= '__END_HASH_REF__'; |
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return $result; |
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} |
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# ----------------------------------- POD (plain old documentation, CPAN style) |
# ----------------------------------- POD (plain old documentation, CPAN style) |
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