--- loncom/lonnet/perl/lonnet.pm 2007/05/11 01:48:19 1.873
+++ loncom/lonnet/perl/lonnet.pm 2007/08/29 22:19:24 1.908
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.873 2007/05/11 01:48:19 raeburn Exp $
+# $Id: lonnet.pm,v 1.908 2007/08/29 22:19:24 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -149,7 +149,7 @@ sub create_connection {
Type => SOCK_STREAM,
Timeout => 10);
return 0 if (!$client);
- print $client (join(':',$hostname,$lonid,&machine_ids($lonid))."\n");
+ print $client (join(':',$hostname,$lonid,&machine_ids($hostname))."\n");
my $result = <$client>;
chomp($result);
return 1 if ($result eq 'done');
@@ -214,6 +214,24 @@ sub reply {
# ----------------------------------------------------------- Send USR1 to lonc
sub reconlonc {
+ my ($lonid) = @_;
+ my $hostname = &hostname($lonid);
+ if ($lonid) {
+ my $peerfile="$perlvar{'lonSockDir'}/$hostname";
+ if ($hostname && -e $peerfile) {
+ &logthis("Trying to reconnect lonc for $lonid ($hostname)");
+ my $client=IO::Socket::UNIX->new(Peer => $peerfile,
+ Type => SOCK_STREAM,
+ Timeout => 10);
+ if ($client) {
+ print $client ("reset_retries\n");
+ my $answer=<$client>;
+ #reset just this one.
+ }
+ }
+ return;
+ }
+
&logthis("Trying to reconnect lonc");
my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";
if (open(my $fh,"<$loncfile")) {
@@ -744,7 +762,7 @@ sub get_dom {
if (defined(&domain($udom,'primary'))) {
$uhome=&domain($udom,'primary');
} else {
- $uhome eq '';
+ undef($uhome);
}
} else {
if (!$uhome) {
@@ -756,14 +774,13 @@ sub get_dom {
if ($udom && $uhome && ($uhome ne 'no_host')) {
my $rep=&reply("getdom:$udom:$namespace:$items",$uhome);
my %returnhash;
- if ($rep =~ /^error: 2 /) {
+ if ($rep eq '' || $rep =~ /^error: 2 /) {
return %returnhash;
}
my @pairs=split(/\&/,$rep);
if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) {
return @pairs;
}
- my %returnhash=();
my $i=0;
foreach my $item (@$storearr) {
$returnhash{$item}=&thaw_unescape($pairs[$i]);
@@ -771,7 +788,7 @@ sub get_dom {
}
return %returnhash;
} else {
- &logthis("get_dom failed - no homeserver and/or domain");
+ &logthis("get_dom failed - no homeserver and/or domain ($udom) ($uhome)");
}
}
@@ -784,7 +801,7 @@ sub put_dom {
if (defined(&domain($udom,'primary'))) {
$uhome=&domain($udom,'primary');
} else {
- $uhome eq '';
+ undef($uhome);
}
} else {
if (!$uhome) {
@@ -839,6 +856,91 @@ sub is_domainimage {
return;
}
+sub inst_directory_query {
+ my ($srch) = @_;
+ my $udom = $srch->{'srchdomain'};
+ my %results;
+ my $homeserver = &domain($udom,'primary');
+ if ($homeserver ne '') {
+ my $queryid=&reply("querysend:instdirsearch:".
+ &escape($srch->{'srchby'}).':'.
+ &escape($srch->{'srchterm'}).':'.
+ &escape($srch->{'srchtype'}),$homeserver);
+ my $host=&hostname($homeserver);
+ if ($queryid !~/^\Q$host\E\_/) {
+ &logthis('instituional directory search invalid queryid: '.$queryid.' for host: '.$homeserver.'in domain '.$udom);
+ return;
+ }
+ my $response = &get_query_reply($queryid);
+ my $maxtries = 5;
+ my $tries = 1;
+ while (($response=~/^timeout/) && ($tries < $maxtries)) {
+ $response = &get_query_reply($queryid);
+ $tries ++;
+ }
+
+ if (!&error($response) && $response ne 'refused') {
+ my @matches = split(/\n/,$response);
+ foreach my $match (@matches) {
+ my ($key,$value) = split(/=/,$match);
+ $results{&unescape($key).':'.$udom} = &thaw_unescape($value);
+ }
+ }
+ }
+ return %results;
+}
+
+sub usersearch {
+ my ($srch) = @_;
+ my $dom = $srch->{'srchdomain'};
+ my %results;
+ my %libserv = &all_library();
+ my $query = 'usersearch';
+ foreach my $tryserver (keys(%libserv)) {
+ if (&host_domain($tryserver) eq $dom) {
+ my $host=&hostname($tryserver);
+ my $queryid=
+ &reply("querysend:".&escape($query).':'.&escape($dom).':'.
+ &escape($srch->{'srchby'}).'%%'.
+ &escape($srch->{'srchtype'}).':'.
+ &escape($srch->{'srchterm'}),$tryserver);
+ if ($queryid !~/^\Q$host\E\_/) {
+ &logthis('usersearch: invalid queryid: '.$queryid.' for host: '.$host.'in domain '.$dom.' and server: '.$tryserver);
+ next;
+ }
+ my $reply = &get_query_reply($queryid);
+ my $maxtries = 1;
+ my $tries = 1;
+ while (($reply=~/^timeout/) && ($tries < $maxtries)) {
+ $reply = &get_query_reply($queryid);
+ $tries ++;
+ }
+ if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {
+ &logthis('usersrch error: '.$reply.' for '.$dom.' - searching for : '.$srch->{'srchterm'}.' by '.$srch->{'srchby'}.' ('.$srch->{'srchtype'}.') - maxtries: '.$maxtries.' tries: '.$tries);
+ } else {
+ my @matches = split(/&/,$reply);
+ foreach my $match (@matches) {
+ my @items = split(/:/,$match);
+ my ($uname,$udom,%userhash);
+ foreach my $entry (@items) {
+ my ($key,$value) = split(/=/,$entry);
+ $key = &unescape($key);
+ $value = &unescape($value);
+ $userhash{$key} = $value;
+ if ($key eq 'username') {
+ $uname = $value;
+ } elsif ($key eq 'domain') {
+ $udom = $value;
+ }
+ }
+ $results{$uname.':'.$udom} = \%userhash;
+ }
+ }
+ }
+ }
+ return %results;
+}
+
# --------------------------------------------------- Assign a key to a student
sub assign_access_key {
@@ -1379,7 +1481,7 @@ sub ssi {
my $request;
$form{'no_update_last_known'}=1;
-
+ &Apache::lonenc::check_encrypt(\$fn);
if (%form) {
$request=new HTTP::Request('POST',&absolute_url().$fn);
$request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys %form));
@@ -1740,13 +1842,16 @@ sub extract_embedded_items {
while (my $t=$p->get_token()) {
if ($t->[0] eq 'S') {
my ($tagname, $attr) = ($t->[1],$t->[2]);
- push (@state, $tagname);
+ push(@state, $tagname);
if (lc($tagname) eq 'allow') {
&add_filetype($allfiles,$attr->{'src'},'src');
}
if (lc($tagname) eq 'img') {
&add_filetype($allfiles,$attr->{'src'},'src');
}
+ if (lc($tagname) eq 'a') {
+ &add_filetype($allfiles,$attr->{'href'},'href');
+ }
if (lc($tagname) eq 'script') {
if ($attr->{'archive'} =~ /\.jar$/i) {
&add_filetype($allfiles,$attr->{'archive'},'archive');
@@ -1988,7 +2093,7 @@ sub flushcourselogs {
#
my %domrolebuffer = ();
foreach my $entry (keys %domainrolehash) {
- my ($role,$uname,$udom,$runame,$rudom,$rsec)=split/:/,$entry;
+ my ($role,$uname,$udom,$runame,$rudom,$rsec)=split(/:/,$entry);
if ($domrolebuffer{$rudom}) {
$domrolebuffer{$rudom}.='&'.&escape($entry).
'='.&escape($domainrolehash{$entry});
@@ -2093,6 +2198,14 @@ sub userrolelog {
{$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec}
=$tend.':'.$tstart;
}
+ if (($env{'request.role'} =~ /dc\./) &&
+ (($trole=~/^au/) || ($trole=~/^in/) ||
+ ($trole=~/^cc/) || ($trole=~/^ep/) ||
+ ($trole=~/^cr/) || ($trole=~/^ta/))) {
+ $userrolehash
+ {$trole.':'.$username.':'.$domain.':'.$env{'user.name'}.':'.$env{'user.domain'}.':'}
+ =$tend.':'.$tstart;
+ }
if (($trole=~/^dc/) || ($trole=~/^ad/) ||
($trole=~/^li/) || ($trole=~/^li/) ||
($trole=~/^au/) || ($trole=~/^dg/) ||
@@ -3134,7 +3247,7 @@ sub set_userprivs {
if (keys(%{$allgroups}) > 0) {
foreach my $role (keys %{$allroles}) {
my ($trole,$area,$sec,$extendedarea);
- if ($role =~ m-^(\w+|cr/$match_domain/$match_username/\w+)\.(/$match_domain/$match_courseid)(/?\w*)-) {
+ if ($role =~ m-^(\w+|cr/$match_domain/$match_username/\w+)\.(/$match_domain/$match_courseid)(/?\w*)\.-) {
$trole = $1;
$area = $2;
$sec = $3;
@@ -3784,26 +3897,40 @@ sub customaccess {
$ucrs = &LONCAPA::clean_username($ucrs);
my $access=0;
foreach my $right (split(/\s*\,\s*/,&metadata($uri,'rule_rights'))) {
- my ($effect,$realm,$role)=split(/\:/,$right);
- if ($role) {
- if ($role ne $urole) { next; }
- }
- foreach my $scope (split(/\s*\,\s*/,$realm)) {
- my ($tdom,$tcrs,$tsec)=split(/\_/,$scope);
- if ($tdom) {
- if ($tdom ne $udom) { next; }
- }
- if ($tcrs) {
- if ($tcrs ne $ucrs) { next; }
- }
- if ($tsec) {
- if ($tsec ne $usec) { next; }
- }
- $access=($effect eq 'allow');
- last;
- }
- if ($realm eq '' && $role eq '') {
- $access=($effect eq 'allow');
+ my ($effect,$realm,$role,$type)=split(/\:/,$right);
+ if ($type eq 'user') {
+ foreach my $scope (split(/\s*\,\s*/,$realm)) {
+ my ($tdom,$tuname)=split(m{/},$scope);
+ if ($tdom) {
+ if ($tdom ne $env{'user.domain'}) { next; }
+ }
+ if ($tuname) {
+ if ($tuname ne $env{'user.name'}) { next; }
+ }
+ $access=($effect eq 'allow');
+ last;
+ }
+ } else {
+ if ($role) {
+ if ($role ne $urole) { next; }
+ }
+ foreach my $scope (split(/\s*\,\s*/,$realm)) {
+ my ($tdom,$tcrs,$tsec)=split(/\_/,$scope);
+ if ($tdom) {
+ if ($tdom ne $udom) { next; }
+ }
+ if ($tcrs) {
+ if ($tcrs ne $ucrs) { next; }
+ }
+ if ($tsec) {
+ if ($tsec ne $usec) { next; }
+ }
+ $access=($effect eq 'allow');
+ last;
+ }
+ if ($realm eq '' && $role eq '') {
+ $access=($effect eq 'allow');
+ }
}
}
return $access;
@@ -4332,6 +4459,23 @@ sub update_portfolio_table {
return $reply;
}
+# -------------------------- Update MySQL allusers table
+
+sub update_allusers_table {
+ my ($uname,$udom,$names) = @_;
+ my $homeserver = &homeserver($uname,$udom);
+ my $queryid=
+ &reply('querysend:allusers:'.&escape($uname).':'.&escape($udom).':'.
+ 'lastname='.&escape($names->{'lastname'}).'%%'.
+ 'firstname='.&escape($names->{'firstname'}).'%%'.
+ 'middlename='.&escape($names->{'middlename'}).'%%'.
+ 'generation='.&escape($names->{'generation'}).'%%'.
+ 'permanentemail='.&escape($names->{'permanentemail'}).'%%'.
+ 'id='.&escape($names->{'id'}),$homeserver);
+ my $reply = &get_query_reply($queryid);
+ return $reply;
+}
+
# ------- Request retrieval of institutional classlists for course(s)
sub fetch_enrollment_query {
@@ -4366,7 +4510,7 @@ sub fetch_enrollment_query {
if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {
&logthis('fetch_enrollment_query error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' context: '.$context.' '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries);
} else {
- my @responses = split/:/,$reply;
+ my @responses = split(/:/,$reply);
if ($homeserver eq $perlvar{'lonHostID'}) {
foreach my $line (@responses) {
my ($key,$value) = split(/=/,$line,2);
@@ -4409,8 +4553,8 @@ sub get_query_reply {
sleep 2;
if (-e $replyfile.'.end') {
if (open(my $fh,$replyfile)) {
- $reply.=<$fh>;
- close($fh);
+ $reply = join('',<$fh>);
+ close($fh);
} else { return 'error: reply_file_error'; }
return &unescape($reply);
}
@@ -4455,8 +4599,18 @@ sub userlog_query {
sub auto_run {
my ($cnum,$cdom) = @_;
- my $homeserver = &homeserver($cnum,$cdom);
- my $response = &reply('autorun:'.$cdom,$homeserver);
+ my $response = 0;
+ my $settings;
+ my %domconfig = &get_dom('configuration',['autoenroll'],$cdom);
+ if (ref($domconfig{'autoenroll'}) eq 'HASH') {
+ $settings = $domconfig{'autoenroll'};
+ if ($settings->{'run'} eq '1') {
+ $response = 1;
+ }
+ } else {
+ my $homeserver = &homeserver($cnum,$cdom);
+ $response = &reply('autorun:'.$cdom,$homeserver);
+ }
return $response;
}
@@ -4466,7 +4620,7 @@ sub auto_get_sections {
my @secs = ();
my $response=&unescape(&reply('autogetsections:'.$inst_coursecode.':'.$cdom,$homeserver));
unless ($response eq 'refused') {
- @secs = split/:/,$response;
+ @secs = split(/:/,$response);
}
return @secs;
}
@@ -4505,7 +4659,7 @@ sub auto_create_password {
if ($response eq 'refused') {
$authchk = 'refused';
} else {
- ($authparam,$create_passwd,$authchk) = split/:/,$response;
+ ($authparam,$create_passwd,$authchk) = split(/:/,$response);
}
}
return ($authparam,$create_passwd,$authchk);
@@ -4613,7 +4767,7 @@ sub auto_instcode_format {
$response=&reply('autoinstcodeformat:'.$codedom.':'.$courses,$server);
if ($response !~ /(con_lost|error|no_such_host|refused)/) {
my ($codes_str,$codetitles_str,$cat_titles_str,$cat_order_str) =
- split/:/,$response;
+ split(/:/,$response);
%{$codes} = (%{$codes},&str2hash($codes_str));
push(@{$codetitles},&str2array($codetitles_str));
%{$cat_titles} = (%{$cat_titles},&str2hash($cat_titles_str));
@@ -4993,7 +5147,8 @@ sub modifyuser {
}
# -------------------------------------------------------------- Add names, etc
my @tmp=&get('environment',
- ['firstname','middlename','lastname','generation'],
+ ['firstname','middlename','lastname','generation','id',
+ 'permanentemail'],
$udom,$uname);
my %names;
if ($tmp[0] =~ m/^error:.*/) {
@@ -5015,8 +5170,10 @@ sub modifyuser {
$names{'critnotification'} = $email;
$names{'permanentemail'} = $email; }
}
+ if ($uid) { $names{'id'} = $uid; }
my $reply = &put('environment', \%names, $udom,$uname);
if ($reply ne 'ok') { return 'error: '.$reply; }
+ my $sqlresult = &update_allusers_table($uname,$udom,\%names);
&devalidate_cache_new('namescache',$uname.':'.$udom);
&logthis('Success modifying user '.$udom.', '.$uname.', '.$uid.', '.
$umode.', '.$first.', '.$middle.', '.
@@ -5903,6 +6060,13 @@ sub devalidatecourseresdata {
# --------------------------------------------------- Course Resourcedata Query
+#
+# Parameters:
+# $coursenum - Number of the course.
+# $coursedomain - Domain at which the course was created.
+# Returns:
+# A hash of the course parameters along (I think) with timestamps
+# and version info.
sub get_courseresdata {
my ($coursenum,$coursedomain)=@_;
@@ -5961,7 +6125,21 @@ sub get_userresdata {
}
return $tmp;
}
-
+#----------------------------------------------- resdata - return resource data
+# Purpose:
+# Return resource data for either users or for a course.
+# Parameters:
+# $name - Course/user name.
+# $domain - Name of the domain the user/course is registered on.
+# $type - Type of thing $name is (must be 'course' or 'user'
+# @which - Array of names of resources desired.
+# Returns:
+# The value of the first reasource in @which that is found in the
+# resource hash.
+# Exceptional Conditions:
+# If the $type passed in is not valid (not the string 'course' or
+# 'user', an undefined reference is returned.
+# If none of the resources are found, an undef is returned
sub resdata {
my ($name,$domain,$type,@which)=@_;
my $result;
@@ -6139,6 +6317,12 @@ sub EXT {
my ($map) = &decode_symb($symbparm);
return &symbread($map);
}
+ if ($space eq 'filename') {
+ if ($symbparm) {
+ return &clutter((&decode_symb($symbparm))[2]);
+ }
+ return &hreflocation('',$env{'request.filename'});
+ }
my ($section, $group, @groups);
my ($courselevelm,$courselevel);
@@ -6308,7 +6492,7 @@ sub packages_tab_default {
$do_default=1;
} elsif ($pack_type eq 'extension') {
push(@extension,[$package,$pack_type,$pack_part]);
- } elsif ($pack_part eq $part) {
+ } elsif ($pack_part eq $part || $pack_type eq 'part') {
# only look at packages defaults for packages that this id is
push(@specifics,[$package,$pack_type,$pack_part]);
}
@@ -6512,10 +6696,11 @@ sub metadata {
# only ws inside the tag, and not in default, so use default
# as value
$metaentry{':'.$unikey}=$default;
- } else {
- # either something interesting inside the tag or default
- # uninteresting
+ } elsif ( $internaltext =~ /\S/ ) {
+ # something interesting inside the tag
$metaentry{':'.$unikey}=$internaltext;
+ } else {
+ # no interesting values, don't set a default
}
# end of not-a-package not-a-library import
}
@@ -6525,13 +6710,18 @@ sub metadata {
}
}
my ($extension) = ($uri =~ /\.(\w+)$/);
+ $extension = lc($extension);
+ if ($extension eq 'htm') { $extension='html'; }
+
foreach my $key (keys(%packagetab)) {
#no specific packages #how's our extension
if ($key!~/^extension_\Q$extension\E&/) { next; }
&metadata_create_package_def($uri,$key,'extension_'.$extension,
\%metathesekeys);
}
- if (!exists($metaentry{':packages'})) {
+
+ if (!exists($metaentry{':packages'})
+ || $packagetab{"import_defaults&extension_$extension"}) {
foreach my $key (keys(%packagetab)) {
#no specific packages well let's get default then
if ($key!~/^default&/) { next; }
@@ -6650,12 +6840,15 @@ sub gettitle {
}
my ($map,$resid,$url)=&decode_symb($symb);
my $title='';
- my %bighash;
- if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
- &GDBM_READER(),0640)) {
- my $mapid=$bighash{'map_pc_'.&clutter($map)};
- $title=$bighash{'title_'.$mapid.'.'.$resid};
- untie %bighash;
+ if (!$map && $resid == 0 && $url =~/default\.sequence$/) {
+ $title = $env{'course.'.$env{'request.course.id'}.'.description'};
+ } else {
+ if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
+ &GDBM_READER(),0640)) {
+ my $mapid=$bighash{'map_pc_'.&clutter($map)};
+ $title=$bighash{'title_'.$mapid.'.'.$resid};
+ untie(%bighash);
+ }
}
$title=~s/\&colon\;/\:/gs;
if ($title) {
@@ -7028,7 +7221,7 @@ sub getCODE {
sub rndseed {
my ($symb,$courseid,$domain,$username)=@_;
my ($wsymb,$wcourseid,$wdomain,$wusername)=&whichuser();
- if (!$symb) {
+ if (!defined($symb)) {
unless ($symb=$wsymb) { return time; }
}
if (!$courseid) { $courseid=$wcourseid; }
@@ -7480,6 +7673,7 @@ sub filelocation {
$file=~s-^/adm/wrapper/-/-;
$file=~s-^/adm/coursedocs/showdoc/-/-;
}
+
if ($file=~m:^/~:) { # is a contruction space reference
$location = $file;
$location =~ s:/~(.*?)/(.*):/home/$1/public_html/$2:;
@@ -7500,6 +7694,8 @@ sub filelocation {
$location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'.
$udom.'/'.$uname.'/'.$filename;
}
+ } elsif ($file =~ m-^/adm/-) {
+ $location = $perlvar{'lonDocRoot'}.'/'.$file;
} else {
$file=~s/^\Q$perlvar{'lonDocRoot'}\E//;
$file=~s:^/res/:/:;
@@ -7559,14 +7755,11 @@ sub machine_ids {
my ($hostname) = @_;
$hostname ||= &hostname($perlvar{'lonHostID'});
my @ids;
- my %hostname = &all_hostnames();
- while( my($id, $name) = each(%hostname)) {
-# &logthis("-$id-$name-$hostname-");
- if ($hostname eq $name) {
- push(@ids,$id);
- }
+ my %name_to_host = &all_names();
+ if (ref($name_to_host{$hostname}) eq 'ARRAY') {
+ return @{ $name_to_host{$hostname} };
}
- return @ids;
+ return;
}
sub additional_machine_domains {
@@ -7610,7 +7803,8 @@ sub declutter {
sub clutter {
my $thisfn='/'.&declutter(shift);
- unless ($thisfn=~/^\/(uploaded|editupload|adm|userfiles|ext|raw|priv|public)\//) {
+ if ($thisfn !~ m{^/(uploaded|editupload|adm|userfiles|ext|raw|priv|public)/}
+ || $thisfn =~ m{^/adm/(includes|pages)} ) {
$thisfn='/res'.$thisfn;
}
if ($thisfn !~m|/adm|) {
@@ -7793,6 +7987,7 @@ sub get_dns {
my %hostdom;
my %libserv;
my $loaded;
+ my %name_to_host;
sub parse_hosts_tab {
my ($file) = @_;
@@ -7804,6 +7999,7 @@ sub get_dns {
$name=~s/\s//g;
if ($id && $domain && $role && $name) {
$hostname{$id}=$name;
+ push(@{$name_to_host{$name}}, $id);
$hostdom{$id}=$domain;
if ($role eq 'library') { $libserv{$id}=$name; }
}
@@ -7811,8 +8007,10 @@ sub get_dns {
}
sub reset_hosts_info {
+ &purge_remembered();
&reset_domain_info();
&reset_hosts_ip_info();
+ undef(%name_to_host);
undef(%hostname);
undef(%hostdom);
undef(%libserv);
@@ -7842,6 +8040,12 @@ sub get_dns {
return %hostname;
}
+ sub all_names {
+ &load_hosts_tab() if (!$loaded);
+
+ return %name_to_host;
+ }
+
sub is_library {
&load_hosts_tab() if (!$loaded);
@@ -7898,24 +8102,6 @@ sub get_dns {
my %name_to_ip;
my %lonid_to_ip;
- my %valid_ip;
- sub valid_ip {
- my ($ip) = @_;
- if (exists($iphost{$ip}) || exists($valid_ip{$ip})) {
- return 1;
- }
- my $name = gethostbyip($ip);
- my $lonid = &hostname($name);
- if (defined($lonid)) {
- $valid_ip{$ip} = $lonid;
- return 1;
- }
- my %iphosts = &get_iphost();
- if (ref($iphost{$ip})) {
- return 1;
- }
- }
-
sub get_hosts_from_ip {
my ($ip) = @_;
my %iphosts = &get_iphost();
@@ -7947,6 +8133,7 @@ sub get_dns {
sub get_iphost {
my ($ignore_cache) = @_;
+
if (!$ignore_cache) {
if (%iphost) {
return %iphost;
@@ -7960,27 +8147,43 @@ sub get_dns {
return %iphost;
}
}
- my %hostname = &all_hostnames();
- foreach my $id (keys(%hostname)) {
- my $name=&hostname($id);
+
+ # get yesterday's info for fallback
+ my %old_name_to_ip;
+ my ($ip_info,$cached)=
+ &Apache::lonnet::is_cached_new('iphost','iphost');
+ if ($cached) {
+ %old_name_to_ip = %{$ip_info->[1]};
+ }
+
+ my %name_to_host = &all_names();
+ foreach my $name (keys(%name_to_host)) {
my $ip;
if (!exists($name_to_ip{$name})) {
$ip = gethostbyname($name);
if (!$ip || length($ip) ne 4) {
- &logthis("Skipping host $id name $name no IP found");
- next;
+ if (defined($old_name_to_ip{$name})) {
+ $ip = $old_name_to_ip{$name};
+ &logthis("Can't find $name defaulting to old $ip");
+ } else {
+ &logthis("Name $name no IP found");
+ next;
+ }
+ } else {
+ $ip=inet_ntoa($ip);
}
- $ip=inet_ntoa($ip);
$name_to_ip{$name} = $ip;
} else {
$ip = $name_to_ip{$name};
}
- $lonid_to_ip{$id} = $ip;
- push(@{$iphost{$ip}},$id);
+ foreach my $id (@{ $name_to_host{$name} }) {
+ $lonid_to_ip{$id} = $ip;
+ }
+ push(@{$iphost{$ip}},@{$name_to_host{$name}});
}
&Apache::lonnet::do_cache_new('iphost','iphost',
[\%iphost,\%name_to_ip,\%lonid_to_ip],
- 24*60*60);
+ 48*60*60);
return %iphost;
}
@@ -8369,7 +8572,7 @@ explanation of a user role term
get_my_roles($uname,$udom,$context,$types,$roles,$roledoms) :
All arguments are optional. Returns a hash of a roles, either for
co-author/assistant author roles for a user's Construction Space
-(default), or if $context is 'user', roles for the user himself,
+(default), or if $context is 'userroles', roles for the user himself,
In the hash, keys are set to colon-sparated $uname,$udom,and $role,
and value is set to colon-separated start and end times for the role.
If no username and domain are specified, will default to current
@@ -8521,6 +8724,14 @@ setting for a specific $type, where $typ
@what should be a list of parameters to ask about. This routine caches
answers for 5 minutes.
+=item *
+
+get_courseresdata($courseid, $domain) : dump the entire course resource
+data base, returning a hash that is keyed by the resource name and has
+values that are the resource value. I believe that the timestamps and
+versions are also returned.
+
+
=back
=head2 Course Modification
@@ -9203,3 +9414,4 @@ symblist($mapname,%newhash) : update sym
=back
=cut
+