version 1.355, 2007/01/10 20:22:30
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version 1.373, 2007/04/10 23:11:30
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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 44 use Digest::MD5 qw(md5_hex);
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Line 45 use Digest::MD5 qw(md5_hex);
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use GDBM_File; |
use GDBM_File; |
use Authen::Krb4; |
use Authen::Krb4; |
use Authen::Krb5; |
use Authen::Krb5; |
use lib '/home/httpd/lib/perl/'; |
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use localauth; |
use localauth; |
use localenroll; |
use localenroll; |
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 70 my $clientip; # IP address of client.
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Line 69 my $clientip; # IP address of client.
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my $clientname; # LonCAPA name of client. |
my $clientname; # LonCAPA name of client. |
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my $server; |
my $server; |
my $thisserver; # DNS of us. |
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my $keymode; |
my $keymode; |
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Line 86 my $tmpsnum = 0; # Id of tmpputs.
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Line 84 my $tmpsnum = 0; # Id of tmpputs.
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my $ConnectionType; |
my $ConnectionType; |
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my %hostid; # ID's for hosts in cluster by ip. |
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my %hostdom; # LonCAPA domain for hosts in cluster. |
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my %hostname; # DNSname -> ID's mapping. |
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my %hostip; # IPs for hosts in cluster. |
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my %hostdns; # ID's of hosts looked up by DNS name. |
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my %managers; # Ip -> manager names |
my %managers; # Ip -> manager names |
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my %perlvar; # Will have the apache conf defined perl vars. |
my %perlvar; # Will have the apache conf defined perl vars. |
Line 179 sub ResetStatistics {
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Line 171 sub ResetStatistics {
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# $Socket - Socket open on client. |
# $Socket - Socket open on client. |
# $initcmd - The full text of the init command. |
# $initcmd - The full text of the init command. |
# |
# |
# Implicit inputs: |
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# $thisserver - Our DNS name. |
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# |
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# Returns: |
# Returns: |
# IDEA session key on success. |
# IDEA session key on success. |
# undef on failure. |
# undef on failure. |
# |
# |
sub LocalConnection { |
sub LocalConnection { |
my ($Socket, $initcmd) = @_; |
my ($Socket, $initcmd) = @_; |
Debug("Attempting local connection: $initcmd client: $clientip me: $thisserver"); |
Debug("Attempting local connection: $initcmd client: $clientip"); |
if($clientip ne "127.0.0.1") { |
if($clientip ne "127.0.0.1") { |
&logthis('<font color="red"> LocalConnection rejecting non local: ' |
&logthis('<font color="red"> LocalConnection rejecting non local: ' |
."$clientip ne $thisserver </font>"); |
."$clientip ne 127.0.0.1 </font>"); |
close $Socket; |
close $Socket; |
return undef; |
return undef; |
} else { |
} else { |
Line 425 sub ReadManagerTable {
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Line 414 sub ReadManagerTable {
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if ($host =~ "^#") { # Comment line. |
if ($host =~ "^#") { # Comment line. |
next; |
next; |
} |
} |
if (!defined $hostip{$host}) { # This is a non cluster member |
if (!defined &Apache::lonnet::get_host_ip($host)) { # This is a non cluster member |
# The entry is of the form: |
# The entry is of the form: |
# cluname:hostname |
# cluname:hostname |
# cluname - A 'cluster hostname' is needed in order to negotiate |
# cluname - A 'cluster hostname' is needed in order to negotiate |
Line 443 sub ReadManagerTable {
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Line 432 sub ReadManagerTable {
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} |
} |
} else { |
} else { |
logthis('<font color="green"> existing host'." $host</font>\n"); |
logthis('<font color="green"> existing host'." $host</font>\n"); |
$managers{$hostip{$host}} = $host; # Use info from cluster tab if clumemeber |
$managers{&Apache::lonnet::get_host_ip($host)} = $host; # Use info from cluster tab if clumemeber |
} |
} |
} |
} |
} |
} |
Line 1033 sub ping_handler {
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Line 1022 sub ping_handler {
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sub pong_handler { |
sub pong_handler { |
my ($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:$tail"); |
return 1; |
return 1; |
} |
} |
Line 1143 sub load_handler {
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Line 1132 sub load_handler {
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sub user_load_handler { |
sub user_load_handler { |
my ($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 1269 sub du_handler {
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Line 1258 sub du_handler {
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my $code=sub { |
my $code=sub { |
if ($_=~/\.\d+\./) { return;} |
if ($_=~/\.\d+\./) { return;} |
if ($_=~/\.meta$/) { return;} |
if ($_=~/\.meta$/) { return;} |
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if (-d $_) { return;} |
$total_size+=(stat($_))[7]; |
$total_size+=(stat($_))[7]; |
}; |
}; |
chdir($ududir); |
chdir($ududir); |
Line 1850 sub update_resource_handler {
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Line 1840 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 $response; |
alarm(120); |
alarm(120); |
{ |
{ |
Line 1901 sub devalidate_meta_cache {
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Line 1891 sub devalidate_meta_cache {
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my ($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 3293 sub put_course_id_handler {
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Line 3273 sub put_course_id_handler {
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foreach my $pair (@pairs) { |
foreach my $pair (@pairs) { |
my ($key,$courseinfo) = split(/=/,$pair,2); |
my ($key,$courseinfo) = split(/=/,$pair,2); |
$courseinfo =~ s/=/:/g; |
$courseinfo =~ s/=/:/g; |
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my @current_items = split(/:/,$hashref->{$key},-1); |
my @current_items = split(/:/,$hashref->{$key}); |
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shift(@current_items); # remove description |
shift(@current_items); # remove description |
pop(@current_items); # remove last access |
pop(@current_items); # remove last access |
my $numcurrent = scalar(@current_items); |
my $numcurrent = scalar(@current_items); |
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if ($numcurrent > 3) { |
my @new_items = split(/:/,$courseinfo); |
$numcurrent = 3; |
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} |
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my @new_items = split(/:/,$courseinfo,-1); |
my $numnew = scalar(@new_items); |
my $numnew = scalar(@new_items); |
if ($numcurrent > 0) { |
if ($numcurrent > 0) { |
if ($numnew <= $numcurrent) { # flushcourselogs() from pre 2.2 |
if ($numnew <= $numcurrent) { # flushcourselogs() from pre 2.2 |
Line 3599 sub get_domain_handler {
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Line 3580 sub get_domain_handler {
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return 1; |
return 1; |
} |
} |
®ister_handler("getdom", \&get_id_handler, 0, 1, 0); |
®ister_handler("getdom", \&get_domain_handler, 0, 1, 0); |
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# |
# |
Line 4451 sub get_institutional_code_format_handle
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Line 4432 sub get_institutional_code_format_handle
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\%cat_titles, |
\%cat_titles, |
\%cat_order); |
\%cat_order); |
if ($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", |
.$cat_order_str."\n", |
Line 4630 sub student_photo_handler {
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Line 4611 sub student_photo_handler {
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} |
} |
®ister_handler("studentphoto", \&student_photo_handler, 0, 1, 0); |
®ister_handler("studentphoto", \&student_photo_handler, 0, 1, 0); |
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sub inst_usertypes_handler { |
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my ($cmd, $domain, $client) = @_; |
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my $res; |
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my $userinput = $cmd.":".$domain; # For logging purposes. |
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my (%typeshash,@order,$result); |
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eval { |
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local($SIG{__DIE__})='DEFAULT'; |
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$result=&localenroll::inst_usertypes($domain,\%typeshash,\@order); |
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}; |
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if ($result eq 'ok') { |
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if (keys(%typeshash) > 0) { |
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foreach my $key (keys(%typeshash)) { |
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$res.=&escape($key).'='.&escape($typeshash{$key}).'&'; |
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} |
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} |
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$res=~s/\&$//; |
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$res .= ':'; |
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if (@order > 0) { |
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foreach my $item (@order) { |
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$res .= &escape($item).'&'; |
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} |
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} |
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$res=~s/\&$//; |
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} |
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&Reply($client, "$res\n", $userinput); |
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return 1; |
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} |
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®ister_handler("inst_usertypes", \&inst_usertypes_handler, 0, 1, 0); |
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# mkpath makes all directories for a file, expects an absolute path with a |
# mkpath makes all directories for a file, expects an absolute path with a |
# file or a trailing / if just a dir is passed |
# file or a trailing / if just a dir is passed |
# returns 1 on success 0 on failure |
# returns 1 on success 0 on failure |
Line 4893 sub catchexception {
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Line 4903 sub catchexception {
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$SIG{__DIE__}='DEFAULT'; |
$SIG{__DIE__}='DEFAULT'; |
&status("Catching exception"); |
&status("Catching exception"); |
&logthis("<font color='red'>CRITICAL: " |
&logthis("<font color='red'>CRITICAL: " |
."ABNORMAL EXIT. Child $$ for server $thisserver died through " |
."ABNORMAL EXIT. Child $$ for server ".$perlvar{'lonHostID'}." died through " |
."a crash with this error msg->[$error]</font>"); |
."a crash with this error msg->[$error]</font>"); |
&logthis('Famous last words: '.$status.' - '.$lastlog); |
&logthis('Famous last words: '.$status.' - '.$lastlog); |
if ($client) { print $client "error: $error\n"; } |
if ($client) { print $client "error: $error\n"; } |
Line 5004 sub HUPSMAN { # sig
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Line 5014 sub HUPSMAN { # sig
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} |
} |
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# |
# |
# Kill off hashes that describe the host table prior to re-reading it. |
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# Hashes affected are: |
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# %hostid, %hostdom %hostip %hostdns. |
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# |
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sub KillHostHashes { |
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foreach my $key (keys %hostid) { |
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delete $hostid{$key}; |
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} |
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foreach my $key (keys %hostdom) { |
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delete $hostdom{$key}; |
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} |
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foreach my $key (keys %hostip) { |
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delete $hostip{$key}; |
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} |
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foreach my $key (keys %hostdns) { |
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delete $hostdns{$key}; |
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} |
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} |
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# |
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# Read in the host table from file and distribute it into the various hashes: |
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# |
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# - %hostid - Indexed by IP, the loncapa hostname. |
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# - %hostdom - Indexed by loncapa hostname, the domain. |
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# - %hostip - Indexed by hostid, the Ip address of the host. |
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sub ReadHostTable { |
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open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") || die "Can't read host file"; |
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my $myloncapaname = $perlvar{'lonHostID'}; |
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Debug("My loncapa name is : $myloncapaname"); |
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my %name_to_ip; |
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while (my $configline=<CONFIG>) { |
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if ($configline !~ /^\s*\#/ && $configline !~ /^\s*$/ ) { |
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my ($id,$domain,$role,$name)=split(/:/,$configline); |
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$name=~s/\s//g; |
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my $ip; |
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if (!exists($name_to_ip{$name})) { |
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$ip = gethostbyname($name); |
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if (!$ip || length($ip) ne 4) { |
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&logthis("Skipping host $id name $name no IP found\n"); |
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next; |
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} |
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$ip=inet_ntoa($ip); |
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$name_to_ip{$name} = $ip; |
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} else { |
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$ip = $name_to_ip{$name}; |
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} |
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$hostid{$ip}=$id; # LonCAPA name of host by IP. |
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$hostdom{$id}=$domain; # LonCAPA domain name of host. |
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$hostname{$id}=$name; # LonCAPA name -> DNS name |
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$hostip{$id}=$ip; # IP address of host. |
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$hostdns{$name} = $id; # LonCAPA name of host by DNS. |
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if ($id eq $perlvar{'lonHostID'}) { |
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Debug("Found me in the host table: $name"); |
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$thisserver=$name; |
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} |
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} |
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} |
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close(CONFIG); |
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} |
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# |
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# Reload the Apache daemon's state. |
# Reload the Apache daemon's state. |
# This is done by invoking /home/httpd/perl/apachereload |
# This is done by invoking /home/httpd/perl/apachereload |
# a setuid perl script that can be root for us to do this job. |
# a setuid perl script that can be root for us to do this job. |
Line 5095 sub UpdateHosts {
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Line 5044 sub UpdateHosts {
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# either dropped or changed hosts. Note that the re-read of the table |
# either dropped or changed hosts. Note that the re-read of the table |
# will take care of new and changed hosts as connections come into being. |
# will take care of new and changed hosts as connections come into being. |
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&Apache::lonnet::reset_hosts_info(); |
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KillHostHashes; |
foreach my $child (keys(%children)) { |
ReadHostTable; |
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foreach my $child (keys %children) { |
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my $childip = $children{$child}; |
my $childip = $children{$child}; |
if(!$hostid{$childip}) { |
if (!defined(&Apache::lonnet::get_hosts_from_ip($childip))) { |
logthis('<font color="blue"> UpdateHosts killing child ' |
logthis('<font color="blue"> UpdateHosts killing child ' |
." $child for ip $childip </font>"); |
." $child for ip $childip </font>"); |
kill('INT', $child); |
kill('INT', $child); |
Line 5261 sub status {
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Line 5208 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 $loncpid not responding, giving up</font>"); |
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} |
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} else { |
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&logthis('<font color="red">CRITICAL: lonc not running, giving up</font>'); |
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} |
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} |
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# -------------------------------------------------- Non-critical communication |
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sub subreply { |
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my ($cmd,$server)=@_; |
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my $peerfile="$perlvar{'lonSockDir'}/".$hostname{$server}; |
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my $sclient=IO::Socket::UNIX->new(Peer =>"$peerfile", |
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Type => SOCK_STREAM, |
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Timeout => 10) |
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or return "con_lost"; |
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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 5386 $SIG{USR1} = \&checkchildren;
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Line 5276 $SIG{USR1} = \&checkchildren;
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$SIG{USR2} = \&UpdateHosts; |
$SIG{USR2} = \&UpdateHosts; |
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# Read the host hashes: |
# Read the host hashes: |
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&Apache::lonnet::load_hosts_tab(); |
ReadHostTable; |
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my $dist=`$perlvar{'lonDaemons'}/distprobe`; |
my $dist=`$perlvar{'lonDaemons'}/distprobe`; |
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Line 5466 sub make_new_child {
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Line 5355 sub make_new_child {
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# my $tmpsnum=0; # Now global |
# my $tmpsnum=0; # Now global |
#---------------------------------------------------- kerberos 5 initialization |
#---------------------------------------------------- kerberos 5 initialization |
&Authen::Krb5::init_context(); |
&Authen::Krb5::init_context(); |
unless (($dist eq 'fedora5') || ($dist eq 'fedora4') |
unless (($dist eq 'fedora5') || ($dist eq 'fedora4') || |
|| ($dist eq 'suse9.3')) { |
($dist eq 'fedora6') || ($dist eq 'suse9.3')) { |
&Authen::Krb5::init_ets(); |
&Authen::Krb5::init_ets(); |
} |
} |
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Line 5477 sub make_new_child {
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Line 5366 sub make_new_child {
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# ----------------------------------------------------------------------------- |
# ----------------------------------------------------------------------------- |
# see if we know client and 'check' for spoof IP by ineffective challenge |
# see if we know client and 'check' for spoof IP by ineffective challenge |
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ReadManagerTable; # May also be a manager!! |
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my $outsideip=$clientip; |
my $outsideip=$clientip; |
if ($clientip eq '127.0.0.1') { |
if ($clientip eq '127.0.0.1') { |
$outsideip=$hostip{$perlvar{'lonHostID'}}; |
$outsideip=&Apache::lonnet::get_host_ip($perlvar{'lonHostID'}); |
} |
} |
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my $clientrec=($hostid{$outsideip} ne undef); |
my $clientrec=defined(&Apache::lonnet::get_hosts_from_ip($outsideip)); |
my $ismanager=($managers{$outsideip} ne undef); |
my $ismanager=($managers{$outsideip} ne undef); |
$clientname = "[unknonwn]"; |
$clientname = "[unknonwn]"; |
if($clientrec) { # Establish client type. |
if($clientrec) { # Establish client type. |
$ConnectionType = "client"; |
$ConnectionType = "client"; |
$clientname = $hostid{$outsideip}; |
$clientname = (&Apache::lonnet::get_hosts_from_ip($outsideip))[-1]; |
if($ismanager) { |
if($ismanager) { |
$ConnectionType = "both"; |
$ConnectionType = "both"; |
} |
} |
Line 5596 sub make_new_child {
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Line 5483 sub make_new_child {
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|
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if ($clientok) { |
if ($clientok) { |
# ---------------- New known client connecting, could mean machine online again |
# ---------------- New known client connecting, could mean machine online again |
|
if (&Apache::lonnet::get_host_ip($currenthostid) ne $clientip |
foreach my $id (keys(%hostip)) { |
&& $clientip ne '127.0.0.1') { |
if ($hostip{$id} ne $clientip || |
&Apache::lonnet::reconlonc(); |
$hostip{$currenthostid} eq $clientip) { |
|
# no need to try to do recon's to myself |
|
next; |
|
} |
|
&reconlonc("$perlvar{'lonSockDir'}/".$hostname{$id}); |
|
} |
} |
&logthis("<font color='green'>Established connection: $clientname</font>"); |
&logthis("<font color='green'>Established connection: $clientname</font>"); |
&status('Will listen to '.$clientname); |
&status('Will listen to '.$clientname); |
Line 5880 sub validate_user {
|
Line 5762 sub validate_user {
|
my $krbservice = "krbtgt/".$contentpwd."\@".$contentpwd; |
my $krbservice = "krbtgt/".$contentpwd."\@".$contentpwd; |
my $krbserver = &Authen::Krb5::parse_name($krbservice); |
my $krbserver = &Authen::Krb5::parse_name($krbservice); |
my $credentials= &Authen::Krb5::cc_default(); |
my $credentials= &Authen::Krb5::cc_default(); |
$credentials->initialize($krbclient); |
$credentials->initialize(&Authen::Krb5::parse_name($user.'@' |
|
.$contentpwd)); |
my $krbreturn = &Authen::Krb5::get_in_tkt_with_password($krbclient, |
my $krbreturn = &Authen::Krb5::get_in_tkt_with_password($krbclient, |
$krbserver, |
$krbserver, |
$password, |
$password, |
Line 5895 sub validate_user {
|
Line 5778 sub validate_user {
|
$password, |
$password, |
$contentpwd, |
$contentpwd, |
$domain); |
$domain); |
|
if ($validated < 0) { |
|
&logthis("localauth for $contentpwd $user:$domain returned a $validated"); |
|
$validated = 0; |
|
} |
} else { # Unrecognized auth is also bad. |
} else { # Unrecognized auth is also bad. |
$validated = 0; |
$validated = 0; |
} |
} |
Line 6127 sub subscribe {
|
Line 6014 sub subscribe {
|
# the metadata |
# the metadata |
unless ($fname=~/\.meta$/) { &unsub("$fname.meta",$clientip); } |
unless ($fname=~/\.meta$/) { &unsub("$fname.meta",$clientip); } |
$fname=~s/\/home\/httpd\/html\/res/raw/; |
$fname=~s/\/home\/httpd\/html\/res/raw/; |
$fname="http://$thisserver/".$fname; |
$fname="http://".&Apache::lonnet::hostname($perlvar{'lonHostID'})."/".$fname; |
$result="$fname\n"; |
$result="$fname\n"; |
} |
} |
} else { |
} else { |
Line 6281 sub sethost {
|
Line 6168 sub sethost {
|
} |
} |
|
|
if (!defined($hostid)) { $hostid=$perlvar{'lonHostID'}; } |
if (!defined($hostid)) { $hostid=$perlvar{'lonHostID'}; } |
if ($hostip{$perlvar{'lonHostID'}} eq $hostip{$hostid}) { |
if (&Apache::lonnet::get_host_ip($perlvar{'lonHostID'}) |
|
eq &Apache::lonnet::get_host_ip($hostid)) { |
$currenthostid =$hostid; |
$currenthostid =$hostid; |
$currentdomainid=$hostdom{$hostid}; |
$currentdomainid=&Apache::lonnet::host_domain($hostid); |
&logthis("Setting hostid to $hostid, and domain to $currentdomainid"); |
&logthis("Setting hostid to $hostid, and domain to $currentdomainid"); |
} else { |
} else { |
&logthis("Requested host id $hostid not an alias of ". |
&logthis("Requested host id $hostid not an alias of ". |
Line 6299 sub version {
|
Line 6187 sub version {
|
return "version:$VERSION"; |
return "version:$VERSION"; |
} |
} |
|
|
#There is a copy of this in lonnet.pm |
|
sub userload { |
|
my $numusers=0; |
|
{ |
|
opendir(LONIDS,$perlvar{'lonIDsDir'}); |
|
my $filename; |
|
my $curtime=time; |
|
while ($filename=readdir(LONIDS)) { |
|
if ($filename eq '.' || $filename eq '..') {next;} |
|
my ($mtime)=(stat($perlvar{'lonIDsDir'}.'/'.$filename))[9]; |
|
if ($curtime-$mtime < 1800) { $numusers++; } |
|
} |
|
closedir(LONIDS); |
|
} |
|
my $userloadpercent=0; |
|
my $maxuserload=$perlvar{'lonUserLoadLim'}; |
|
if ($maxuserload) { |
|
$userloadpercent=100*$numusers/$maxuserload; |
|
} |
|
$userloadpercent=sprintf("%.2f",$userloadpercent); |
|
return $userloadpercent; |
|
} |
|
|
|
# Routines for serializing arrays and hashes (copies from lonnet) |
|
|
|
sub array2str { |
|
my (@array) = @_; |
|
my $result=&arrayref2str(\@array); |
|
$result=~s/^__ARRAY_REF__//; |
|
$result=~s/__END_ARRAY_REF__$//; |
|
return $result; |
|
} |
|
|
|
sub arrayref2str { |
|
my ($arrayref) = @_; |
|
my $result='__ARRAY_REF__'; |
|
foreach my $elem (@$arrayref) { |
|
if(ref($elem) eq 'ARRAY') { |
|
$result.=&arrayref2str($elem).'&'; |
|
} elsif(ref($elem) eq 'HASH') { |
|
$result.=&hashref2str($elem).'&'; |
|
} elsif(ref($elem)) { |
|
#print("Got a ref of ".(ref($elem))." skipping."); |
|
} else { |
|
$result.=&escape($elem).'&'; |
|
} |
|
} |
|
$result=~s/\&$//; |
|
$result .= '__END_ARRAY_REF__'; |
|
return $result; |
|
} |
|
|
|
sub hash2str { |
|
my (%hash) = @_; |
|
my $result=&hashref2str(\%hash); |
|
$result=~s/^__HASH_REF__//; |
|
$result=~s/__END_HASH_REF__$//; |
|
return $result; |
|
} |
|
|
|
sub hashref2str { |
|
my ($hashref)=@_; |
|
my $result='__HASH_REF__'; |
|
foreach (sort(keys(%$hashref))) { |
|
if (ref($_) eq 'ARRAY') { |
|
$result.=&arrayref2str($_).'='; |
|
} elsif (ref($_) eq 'HASH') { |
|
$result.=&hashref2str($_).'='; |
|
} elsif (ref($_)) { |
|
$result.='='; |
|
#print("Got a ref of ".(ref($_))." skipping."); |
|
} else { |
|
if ($_) {$result.=&escape($_).'=';} else { last; } |
|
} |
|
|
|
if(ref($hashref->{$_}) eq 'ARRAY') { |
|
$result.=&arrayref2str($hashref->{$_}).'&'; |
|
} elsif(ref($hashref->{$_}) eq 'HASH') { |
|
$result.=&hashref2str($hashref->{$_}).'&'; |
|
} elsif(ref($hashref->{$_})) { |
|
$result.='&'; |
|
#print("Got a ref of ".(ref($hashref->{$_}))." skipping."); |
|
} else { |
|
$result.=&escape($hashref->{$_}).'&'; |
|
} |
|
} |
|
$result=~s/\&$//; |
|
$result .= '__END_HASH_REF__'; |
|
return $result; |
|
} |
|
|
|
# ----------------------------------- POD (plain old documentation, CPAN style) |
# ----------------------------------- POD (plain old documentation, CPAN style) |
|
|