version 1.106, 2010/07/20 02:42:33
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version 1.109, 2010/08/25 16:34:32
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Line 40 use Apache::lonmenu();
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Line 40 use Apache::lonmenu();
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use Apache::createaccount; |
use Apache::createaccount; |
use Fcntl qw(:flock); |
use Fcntl qw(:flock); |
use Apache::lonlocal; |
use Apache::lonlocal; |
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use Apache::File (); |
use HTML::Entities; |
use HTML::Entities; |
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# ------------------------------------------------------------ Successful login |
# ------------------------------------------------------------ Successful login |
Line 408 sub handler {
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Line 409 sub handler {
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if ($r->dir_config("lonBalancer") eq 'yes') { |
if ($r->dir_config("lonBalancer") eq 'yes') { |
&success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef, |
&success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef, |
\%form); |
\%form); |
my ($otherserver) = &choose_server($form{'udom'}); |
my ($otherserver) = &Apache::lonnet::choose_server($form{'udom'}); |
$r->internal_redirect('/adm/switchserver?otherserver='.$otherserver); |
$r->internal_redirect('/adm/switchserver?otherserver='.$otherserver.'&origurl='.$firsturl); |
} else { |
} else { |
&success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,undef, |
# ------------------------------------------------------- Do the load balancing |
\%form); |
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# ---------------------------------------------------------- Determine own load |
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my $loadlim = $r->dir_config('lonLoadLim'); |
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my $loadavg; |
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{ |
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my $loadfile=Apache::File->new('/proc/loadavg'); |
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$loadavg=<$loadfile>; |
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} |
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$loadavg =~ s/\s.*//g; |
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my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim); |
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my $userloadpercent=&Apache::lonnet::userload(); |
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# ---------------------------------------------------------- Are we overloaded? |
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if ((($userloadpercent>100.0)||($loadpercent>100.0))) { |
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my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent,1,$form{'udom'}); |
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if ($unloaded) { |
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&success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect', |
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undef,\%form); |
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$r->internal_redirect('/adm/switchserver?otherserver='.$unloaded.'&origurl='.$firsturl); |
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} |
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} |
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&success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,undef, |
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\%form); |
} |
} |
return OK; |
return OK; |
} |
} |
Line 423 sub check_can_host {
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Line 446 sub check_can_host {
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my $canhost = 1; |
my $canhost = 1; |
my $lonhost = $r->dir_config('lonHostID'); |
my $lonhost = $r->dir_config('lonHostID'); |
my $udom = $form->{'udom'}; |
my $udom = $form->{'udom'}; |
my @intdoms = &Apache::lonnet::get_internet_names($lonhost); |
my @intdoms; |
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my $internet_names = &Apache::lonnet::get_internet_names($lonhost); |
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if (ref($internet_names) eq 'ARRAY') { |
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@intdoms = @{$internet_names}; |
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} |
my $uprimary_id = &Apache::lonnet::domain($udom,'primary'); |
my $uprimary_id = &Apache::lonnet::domain($udom,'primary'); |
my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id); |
my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id); |
unless ($uint_dom ne '' && grep(/^\Q$uint_dom\E$/,@intdoms)) { |
unless ($uint_dom ne '' && grep(/^\Q$uint_dom\E$/,@intdoms)) { |
Line 445 sub check_can_host {
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Line 472 sub check_can_host {
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} |
} |
unless ($canhost) { |
unless ($canhost) { |
if ($authhost eq 'no_account_on_host') { |
if ($authhost eq 'no_account_on_host') { |
my ($login_host,$hostname) = &choose_server($udom); |
my ($login_host,$hostname) = &Apache::lonnet::choose_server($udom); |
&Apache::loncommon::content_type($r,'text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
$r->send_http_header; |
$r->send_http_header; |
if ($login_host ne '') { |
if ($login_host ne '') { |
Line 469 sub check_can_host {
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Line 496 sub check_can_host {
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} else { |
} else { |
&success($r,$form->{'uname'},$udom,$authhost,'noredirect',undef, |
&success($r,$form->{'uname'},$udom,$authhost,'noredirect',undef, |
$form); |
$form); |
my ($otherserver) = &choose_server($udom); |
my ($otherserver) = &Apache::lonnet::choose_server($udom); |
$r->internal_redirect('/adm/switchserver?otherserver='.$otherserver); |
$r->internal_redirect('/adm/switchserver?otherserver='.$otherserver); |
} |
} |
} |
} |
} |
} |
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sub choose_server { |
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my ($udom) = @_; |
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my %domconfhash = &Apache::loncommon::get_domainconf($udom); |
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my %servers = &Apache::lonnet::get_servers($udom); |
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my $lowest_load = 30000; |
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my ($login_host,$hostname); |
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foreach my $lonhost (keys(%servers)) { |
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my $loginvia = $domconfhash{$udom.'.login.loginvia_'.$lonhost}; |
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if ($loginvia eq '') { |
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($login_host, $lowest_load) = |
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&Apache::lonnet::compare_server_load($lonhost, $login_host, $lowest_load); |
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} |
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} |
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if ($login_host ne '') { |
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$hostname = $servers{$login_host}; |
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} |
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return ($login_host,$hostname); |
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} |
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1; |
1; |
__END__ |
__END__ |
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