version 1.439, 2010/04/12 19:15:57
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version 1.469, 2011/01/20 10:55:02
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Line 15
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Line 15
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# |
# |
# LON-CAPA is distributed in the hope that it will be useful, |
# LON-CAPA is distributed in the hope that it will be useful, |
# but WITHOUT ANY WARRANTY; without even the implied warranty of |
# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
# GNU General Public License for more details. |
# GNU General Public License for more details. |
# |
# |
Line 66 my $currentdomainid;
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Line 67 my $currentdomainid;
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my $client; |
my $client; |
my $clientip; # IP address of client. |
my $clientip; # IP address of client. |
my $clientname; # LonCAPA name of client. |
my $clientname; # LonCAPA name of client. |
my $clientversion; # LonCAPA version running on client |
my $clientversion; # LonCAPA version running on client. |
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my $clienthomedom; # LonCAPA domain of homeID for client. |
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# primary library server. |
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my $server; |
my $server; |
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Line 975 sub read_profile {
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Line 978 sub read_profile {
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&GDBM_READER()); |
&GDBM_READER()); |
if ($hashref) { |
if ($hashref) { |
my @queries=split(/\&/,$what); |
my @queries=split(/\&/,$what); |
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if ($namespace eq 'roles') { |
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@queries = map { &unescape($_); } @queries; |
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} |
my $qresult=''; |
my $qresult=''; |
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for (my $i=0;$i<=$#queries;$i++) { |
for (my $i=0;$i<=$#queries;$i++) { |
Line 1068 sub pong_handler {
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Line 1074 sub pong_handler {
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# Implicit Inputs: |
# Implicit Inputs: |
# $currenthostid - Global variable that carries the name of the host |
# $currenthostid - Global variable that carries the name of the host |
# known as. |
# known as. |
# $clientname - Global variable that carries the name of the hsot we're connected to. |
# $clientname - Global variable that carries the name of the host we're connected to. |
# Returns: |
# Returns: |
# 1 - Ok to continue processing. |
# 1 - Ok to continue processing. |
# 0 - Program should exit. |
# 0 - Program should exit. |
Line 1107 sub establish_key_handler {
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Line 1113 sub establish_key_handler {
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# Implicit Inputs: |
# Implicit Inputs: |
# $currenthostid - Global variable that carries the name of the host |
# $currenthostid - Global variable that carries the name of the host |
# known as. |
# known as. |
# $clientname - Global variable that carries the name of the hsot we're connected to. |
# $clientname - Global variable that carries the name of the host we're connected to. |
# Returns: |
# Returns: |
# 1 - Ok to continue processing. |
# 1 - Ok to continue processing. |
# 0 - Program should exit. |
# 0 - Program should exit. |
Line 1116 sub establish_key_handler {
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Line 1122 sub establish_key_handler {
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sub load_handler { |
sub load_handler { |
my ($cmd, $tail, $replyfd) = @_; |
my ($cmd, $tail, $replyfd) = @_; |
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# Get the load average from /proc/loadavg and calculate it as a percentage of |
# Get the load average from /proc/loadavg and calculate it as a percentage of |
# the allowed load limit as set by the perl global variable lonLoadLim |
# the allowed load limit as set by the perl global variable lonLoadLim |
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Line 1144 sub load_handler {
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Line 1152 sub load_handler {
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# Implicit Inputs: |
# Implicit Inputs: |
# $currenthostid - Global variable that carries the name of the host |
# $currenthostid - Global variable that carries the name of the host |
# known as. |
# known as. |
# $clientname - Global variable that carries the name of the hsot we're connected to. |
# $clientname - Global variable that carries the name of the host we're connected to. |
# Returns: |
# Returns: |
# 1 - Ok to continue processing. |
# 1 - Ok to continue processing. |
# 0 - Program should exit |
# 0 - Program should exit |
Line 1653 sub server_loncaparev_handler {
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Line 1661 sub server_loncaparev_handler {
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} |
} |
®ister_handler("serverloncaparev", \&server_loncaparev_handler, 0, 1, 0); |
®ister_handler("serverloncaparev", \&server_loncaparev_handler, 0, 1, 0); |
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sub server_homeID_handler { |
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my ($cmd,$tail,$client) = @_; |
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my $userinput = "$cmd:$tail"; |
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&Reply($client,\$perlvar{'lonHostID'},$userinput); |
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return 1; |
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} |
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®ister_handler("serverhomeID", \&server_homeID_handler, 0, 1, 0); |
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# Process a reinit request. Reinit requests that either |
# Process a reinit request. Reinit requests that either |
# lonc or lond be reinitialized so that an updated |
# lonc or lond be reinitialized so that an updated |
# host.tab or domain.tab can be processed. |
# host.tab or domain.tab can be processed. |
Line 1762 sub authenticate_handler {
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Line 1778 sub authenticate_handler {
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# upass - User's password. |
# upass - User's password. |
# checkdefauth - Pass to validate_user() to try authentication |
# checkdefauth - Pass to validate_user() to try authentication |
# with default auth type(s) if no user account. |
# with default auth type(s) if no user account. |
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# clientcancheckhost - Passed by clients with functionality in lonauth.pm |
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# to check if session can be hosted. |
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my ($udom, $uname, $upass, $checkdefauth)=split(/:/,$tail); |
my ($udom, $uname, $upass, $checkdefauth, $clientcancheckhost)=split(/:/,$tail); |
&Debug(" Authenticate domain = $udom, user = $uname, password = $upass, checkdefauth = $checkdefauth"); |
&Debug(" Authenticate domain = $udom, user = $uname, password = $upass, checkdefauth = $checkdefauth"); |
chomp($upass); |
chomp($upass); |
$upass=&unescape($upass); |
$upass=&unescape($upass); |
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my $pwdcorrect = &validate_user($udom,$uname,$upass,$checkdefauth); |
my $pwdcorrect = &validate_user($udom,$uname,$upass,$checkdefauth); |
if($pwdcorrect) { |
if($pwdcorrect) { |
&Reply( $client, "authorized\n", $userinput); |
my $canhost = 1; |
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unless ($clientcancheckhost) { |
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my $uprimary_id = &Apache::lonnet::domain($udom,'primary'); |
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my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id); |
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my @intdoms; |
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my $internet_names = &Apache::lonnet::get_internet_names($clientname); |
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if (ref($internet_names) eq 'ARRAY') { |
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@intdoms = @{$internet_names}; |
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} |
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unless ($uint_dom ne '' && grep(/^\Q$uint_dom\E$/,@intdoms)) { |
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my ($remote,$hosted); |
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my $remotesession = &get_usersession_config($udom,'remotesession'); |
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if (ref($remotesession) eq 'HASH') { |
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$remote = $remotesession->{'remote'} |
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} |
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my $hostedsession = &get_usersession_config($clienthomedom,'hostedsession'); |
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if (ref($hostedsession) eq 'HASH') { |
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$hosted = $hostedsession->{'hosted'}; |
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} |
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my $loncaparev = $clientversion; |
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if ($loncaparev eq '') { |
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$loncaparev = $Apache::lonnet::loncaparevs{$clientname}; |
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} |
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$canhost = &Apache::lonnet::can_host_session($udom,$clientname, |
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$loncaparev, |
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$remote,$hosted); |
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} |
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} |
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if ($canhost) { |
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&Reply( $client, "authorized\n", $userinput); |
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} else { |
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&Reply( $client, "not_allowed_to_host\n", $userinput); |
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} |
# |
# |
# Bad credentials: Failed to authorize |
# Bad credentials: Failed to authorize |
# |
# |
Line 2108 sub update_resource_handler {
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Line 2158 sub update_resource_handler {
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my $transname="$fname.in.transfer"; |
my $transname="$fname.in.transfer"; |
my $remoteurl=&Apache::lonnet::reply("sub:$fname","$clientname"); |
my $remoteurl=&Apache::lonnet::reply("sub:$fname","$clientname"); |
my $response; |
my $response; |
alarm(120); |
# FIXME: cannot replicate files that take more than two minutes to transfer? |
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# alarm(120); |
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# FIXME: this should use the LWP mechanism, not internal alarms. |
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alarm(1200); |
{ |
{ |
my $ua=new LWP::UserAgent; |
my $ua=new LWP::UserAgent; |
my $request=new HTTP::Request('GET',"$remoteurl"); |
my $request=new HTTP::Request('GET',"$remoteurl"); |
Line 2116 sub update_resource_handler {
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Line 2169 sub update_resource_handler {
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} |
} |
alarm(0); |
alarm(0); |
if ($response->is_error()) { |
if ($response->is_error()) { |
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# FIXME: we should probably clean up here instead of just whine |
unlink($transname); |
unlink($transname); |
my $message=$response->status_line; |
my $message=$response->status_line; |
&logthis("LWP GET: $message for $fname ($remoteurl)"); |
&logthis("LWP GET: $message for $fname ($remoteurl)"); |
} else { |
} else { |
if ($remoteurl!~/\.meta$/) { |
if ($remoteurl!~/\.meta$/) { |
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# FIXME: isn't there an internal LWP mechanism for this? |
alarm(120); |
alarm(120); |
{ |
{ |
my $ua=new LWP::UserAgent; |
my $ua=new LWP::UserAgent; |
Line 2370 sub user_has_session_handler {
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Line 2425 sub user_has_session_handler {
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my ($udom, $uname) = map { &unescape($_) } (split(/:/, $tail)); |
my ($udom, $uname) = map { &unescape($_) } (split(/:/, $tail)); |
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&logthis("Looking for $udom $uname"); |
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opendir(DIR,$perlvar{'lonIDsDir'}); |
opendir(DIR,$perlvar{'lonIDsDir'}); |
my $filename; |
my $filename; |
while ($filename=readdir(DIR)) { |
while ($filename=readdir(DIR)) { |
Line 3101 sub dump_with_regexp {
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Line 3155 sub dump_with_regexp {
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my $userinput = "$cmd:$tail"; |
my $userinput = "$cmd:$tail"; |
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my ($udom,$uname,$namespace,$regexp,$range)=split(/:/,$tail); |
my ($udom,$uname,$namespace,$regexp,$range,$extra)=split(/:/,$tail); |
if (defined($regexp)) { |
if (defined($regexp)) { |
$regexp=&unescape($regexp); |
$regexp=&unescape($regexp); |
} else { |
} else { |
Line 3119 sub dump_with_regexp {
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Line 3173 sub dump_with_regexp {
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} |
} |
my $hashref = &tie_user_hash($udom, $uname, $namespace, |
my $hashref = &tie_user_hash($udom, $uname, $namespace, |
&GDBM_READER()); |
&GDBM_READER()); |
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my $skipcheck; |
if ($hashref) { |
if ($hashref) { |
my $qresult=''; |
my $qresult=''; |
my $count=0; |
my $count=0; |
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if ($extra ne '') { |
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$extra = &Apache::lonnet::thaw_unescape($extra); |
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$skipcheck = $extra->{'skipcheck'}; |
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} |
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my @ids = &Apache::lonnet::current_machine_ids(); |
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my (%homecourses,$major,$minor,$now); |
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if (($namespace eq 'roles') && (!$skipcheck)) { |
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my $loncaparev = $clientversion; |
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if ($loncaparev eq '') { |
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$loncaparev = $Apache::lonnet::loncaparevs{$clientname}; |
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} |
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if ($loncaparev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?/) { |
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$major = $1; |
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$minor = $2; |
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} |
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$now = time; |
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} |
while (my ($key,$value) = each(%$hashref)) { |
while (my ($key,$value) = each(%$hashref)) { |
if ($namespace eq 'roles') { |
if ($namespace eq 'roles') { |
if ($key =~ /^($LONCAPA::match_domain)_($LONCAPA::match_community)_(cc|co|in|ta|ep|ad|st|cr)/) { |
if ($key =~ m{^/($LONCAPA::match_domain)/($LONCAPA::match_courseid)(/?[^_]*)_(cc|co|in|ta|ep|ad|st|cr)$}) { |
if ($clientversion =~ /^(\d+)\.(\d+)$/) { |
my $cdom = $1; |
my $major = $1; |
my $cnum = $2; |
my $minor = $2; |
unless ($skipcheck) { |
next if (($major < 2) || (($major == 2) && ($minor < 9))); |
my ($role,$end,$start) = split(/\_/,$value); |
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if (!$end || $end > $now) { |
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next unless (&releasereqd_check($cnum,$cdom,$key,$value,$major, |
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$minor,\%homecourses,\@ids)); |
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} |
} |
} |
} |
} |
} |
} |
Line 3148 sub dump_with_regexp {
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Line 3224 sub dump_with_regexp {
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} |
} |
} |
} |
if (&untie_user_hash($hashref)) { |
if (&untie_user_hash($hashref)) { |
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if (($namespace eq 'roles') && (!$skipcheck)) { |
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if (keys(%homecourses) > 0) { |
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$qresult .= &check_homecourses(\%homecourses,$udom,$regexp,$count, |
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$range,$start,$end,$major,$minor); |
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} |
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} |
chop($qresult); |
chop($qresult); |
&Reply($client, \$qresult, $userinput); |
&Reply($client, \$qresult, $userinput); |
} else { |
} else { |
Line 3725 sub put_course_id_hash_handler {
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Line 3807 sub put_course_id_hash_handler {
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# createdafter - include courses for which creation date followed this date. |
# createdafter - include courses for which creation date followed this date. |
# creationcontext - include courses created in specified context |
# creationcontext - include courses created in specified context |
# |
# |
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# domcloner - flag to indicate if user can create CCs in course's domain. |
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# If so, ability to clone course is automatic. |
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# |
# $client - The socket open on the client. |
# $client - The socket open on the client. |
# Returns: |
# Returns: |
# 1 - Continue processing. |
# 1 - Continue processing. |
Line 3737 sub dump_course_id_handler {
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Line 3822 sub dump_course_id_handler {
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my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter, |
my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter, |
$typefilter,$regexp_ok,$rtn_as_hash,$selfenrollonly,$catfilter,$showhidden, |
$typefilter,$regexp_ok,$rtn_as_hash,$selfenrollonly,$catfilter,$showhidden, |
$caller,$cloner,$cc_clone_list,$cloneonly,$createdbefore,$createdafter, |
$caller,$cloner,$cc_clone_list,$cloneonly,$createdbefore,$createdafter, |
$creationcontext) =split(/:/,$tail); |
$creationcontext,$domcloner) =split(/:/,$tail); |
my $now = time; |
my $now = time; |
my ($cloneruname,$clonerudom,%cc_clone); |
my ($cloneruname,$clonerudom,%cc_clone); |
if (defined($description)) { |
if (defined($description)) { |
Line 3810 sub dump_course_id_handler {
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Line 3895 sub dump_course_id_handler {
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} else { |
} else { |
$creationcontext = '.'; |
$creationcontext = '.'; |
} |
} |
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my $unpack = 1; |
my $unpack = 1; |
if ($description eq '.' && $instcodefilter eq '.' && $coursefilter eq '.' && |
if ($description eq '.' && $instcodefilter eq '.' && $coursefilter eq '.' && |
$typefilter eq '.') { |
$typefilter eq '.') { |
Line 3841 sub dump_course_id_handler {
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Line 3925 sub dump_course_id_handler {
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next if ($since > 1); |
next if ($since > 1); |
} |
} |
$is_hash = 1; |
$is_hash = 1; |
if (defined($clonerudom)) { |
if ($domcloner) { |
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$canclone = 1; |
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} elsif (defined($clonerudom)) { |
if ($items->{'cloners'}) { |
if ($items->{'cloners'}) { |
my @cloneable = split(',',$items->{'cloners'}); |
my @cloneable = split(',',$items->{'cloners'}); |
if (@cloneable) { |
if (@cloneable) { |
Line 3874 sub dump_course_id_handler {
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Line 3960 sub dump_course_id_handler {
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if ($items->{'owner'} eq $cloner) { |
if ($items->{'owner'} eq $cloner) { |
$canclone = 1; |
$canclone = 1; |
} |
} |
} elsif ($cloner eq $udom.':'.$items->{'owner'}) { |
} elsif ($cloner eq $items->{'owner'}.':'.$udom) { |
$canclone = 1; |
$canclone = 1; |
} |
} |
if ($canclone) { |
if ($canclone) { |
Line 4194 sub put_domain_handler {
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Line 4280 sub put_domain_handler {
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sub get_domain_handler { |
sub get_domain_handler { |
my ($cmd, $tail, $client) = @_; |
my ($cmd, $tail, $client) = @_; |
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my $userinput = "$client:$tail"; |
my $userinput = "$client:$tail"; |
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my ($udom,$namespace,$what)=split(/:/,$tail,3); |
my ($udom,$namespace,$what)=split(/:/,$tail,3); |
Line 4338 sub get_id_handler {
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Line 4425 sub get_id_handler {
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sub put_dcmail_handler { |
sub put_dcmail_handler { |
my ($cmd,$tail,$client) = @_; |
my ($cmd,$tail,$client) = @_; |
my $userinput = "$cmd:$tail"; |
my $userinput = "$cmd:$tail"; |
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my ($udom,$what)=split(/:/,$tail); |
my ($udom,$what)=split(/:/,$tail); |
chomp($what); |
chomp($what); |
my $hashref = &tie_domain_hash($udom, "nohist_dcmail", &GDBM_WRCREAT()); |
my $hashref = &tie_domain_hash($udom, "nohist_dcmail", &GDBM_WRCREAT()); |
Line 4602 sub tmp_put_handler {
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Line 4690 sub tmp_put_handler {
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} |
} |
my ($id,$store); |
my ($id,$store); |
$tmpsnum++; |
$tmpsnum++; |
if ($context eq 'resetpw') { |
if (($context eq 'resetpw') || ($context eq 'createaccount')) { |
$id = &md5_hex(&md5_hex(time.{}.rand().$$)); |
$id = &md5_hex(&md5_hex(time.{}.rand().$$)); |
} else { |
} else { |
$id = $$.'_'.$clientip.'_'.$tmpsnum; |
$id = $$.'_'.$clientip.'_'.$tmpsnum; |
Line 5911 if (-e $pidfile) {
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Line 5999 if (-e $pidfile) {
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$server = IO::Socket::INET->new(LocalPort => $perlvar{'londPort'}, |
$server = IO::Socket::INET->new(LocalPort => $perlvar{'londPort'}, |
Type => SOCK_STREAM, |
Type => SOCK_STREAM, |
Proto => 'tcp', |
Proto => 'tcp', |
Reuse => 1, |
ReuseAddr => 1, |
Listen => 10 ) |
Listen => 10 ) |
or die "making socket: $@\n"; |
or die "making socket: $@\n"; |
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Line 6149 sub logstatus {
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Line 6237 sub logstatus {
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sub initnewstatus { |
sub initnewstatus { |
my $docdir=$perlvar{'lonDocRoot'}; |
my $docdir=$perlvar{'lonDocRoot'}; |
my $fh=IO::File->new(">$docdir/lon-status/londstatus.txt"); |
my $fh=IO::File->new(">$docdir/lon-status/londstatus.txt"); |
my $now=time; |
my $now=time(); |
my $local=localtime($now); |
my $local=localtime($now); |
print $fh "LOND status $local - parent $$\n\n"; |
print $fh "LOND status $local - parent $$\n\n"; |
opendir(DIR,"$docdir/lon-status/londchld"); |
opendir(DIR,"$docdir/lon-status/londchld"); |
Line 6238 $SIG{USR2} = \&UpdateHosts;
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Line 6326 $SIG{USR2} = \&UpdateHosts;
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# Read the host hashes: |
# Read the host hashes: |
&Apache::lonnet::load_hosts_tab(); |
&Apache::lonnet::load_hosts_tab(); |
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my %iphost = &Apache::lonnet::get_iphost(1); |
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my $dist=`$perlvar{'lonDaemons'}/distprobe`; |
my $dist=`$perlvar{'lonDaemons'}/distprobe`; |
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Line 6298 sub make_new_child {
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Line 6387 sub make_new_child {
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or die "Can't unblock SIGINT for fork: $!\n"; |
or die "Can't unblock SIGINT for fork: $!\n"; |
$children{$pid} = $clientip; |
$children{$pid} = $clientip; |
&status('Started child '.$pid); |
&status('Started child '.$pid); |
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close($client); |
return; |
return; |
} else { |
} else { |
# Child can *not* return from this subroutine. |
# Child can *not* return from this subroutine. |
Line 6306 sub make_new_child {
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Line 6396 sub make_new_child {
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#don't get intercepted |
#don't get intercepted |
$SIG{USR1}= \&logstatus; |
$SIG{USR1}= \&logstatus; |
$SIG{ALRM}= \&timeout; |
$SIG{ALRM}= \&timeout; |
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# |
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# Block sigpipe as it gets thrownon socket disconnect and we want to |
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# deal with that as a read faiure instead. |
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# |
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my $blockset = POSIX::SigSet->new(SIGPIPE); |
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sigprocmask(SIG_BLOCK, $blockset); |
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$lastlog='Forked '; |
$lastlog='Forked '; |
$status='Forked'; |
$status='Forked'; |
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Line 6390 sub make_new_child {
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Line 6487 sub make_new_child {
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my $cipherkey = pack("H32", $key); |
my $cipherkey = pack("H32", $key); |
$cipher = new IDEA($cipherkey); |
$cipher = new IDEA($cipherkey); |
print $client "ok:local\n"; |
print $client "ok:local\n"; |
&logthis('<font color="green"' |
&logthis('<font color="green">' |
. "Successful local authentication </font>"); |
. "Successful local authentication </font>"); |
$keymode = "local" |
$keymode = "local" |
} else { |
} else { |
Line 6454 sub make_new_child {
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Line 6551 sub make_new_child {
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# ------------------------------------------------------------ Process requests |
# ------------------------------------------------------------ Process requests |
my $keep_going = 1; |
my $keep_going = 1; |
my $user_input; |
my $user_input; |
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my $clienthost = &Apache::lonnet::hostname($clientname); |
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my $clientserverhomeID = &Apache::lonnet::get_server_homeID($clienthost); |
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$clienthomedom = &Apache::lonnet::host_domain($clientserverhomeID); |
while(($user_input = get_request) && $keep_going) { |
while(($user_input = get_request) && $keep_going) { |
alarm(120); |
alarm(120); |
Debug("Main: Got $user_input\n"); |
Debug("Main: Got $user_input\n"); |
Line 7184 sub sethost {
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Line 7284 sub sethost {
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eq &Apache::lonnet::get_host_ip($hostid)) { |
eq &Apache::lonnet::get_host_ip($hostid)) { |
$currenthostid =$hostid; |
$currenthostid =$hostid; |
$currentdomainid=&Apache::lonnet::host_domain($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 ". |
$perlvar{'lonHostID'}." refusing connection"); |
$perlvar{'lonHostID'}." refusing connection"); |
Line 7199 sub version {
|
Line 7299 sub version {
|
return "version:$VERSION"; |
return "version:$VERSION"; |
} |
} |
|
|
|
sub get_usersession_config { |
|
my ($dom,$name) = @_; |
|
my ($usersessionconf,$cached)=&Apache::lonnet::is_cached_new($name,$dom); |
|
if (defined($cached)) { |
|
return $usersessionconf; |
|
} else { |
|
my %domconfig = &Apache::lonnet::get_dom('configuration',['usersessions'],$dom); |
|
if (ref($domconfig{'usersessions'}) eq 'HASH') { |
|
&Apache::lonnet::do_cache_new($name,$dom,$domconfig{'usersessions'},3600); |
|
return $domconfig{'usersessions'}; |
|
} |
|
} |
|
return; |
|
} |
|
|
|
sub releasereqd_check { |
|
my ($cnum,$cdom,$key,$value,$major,$minor,$homecourses,$ids) = @_; |
|
my $home = &Apache::lonnet::homeserver($cnum,$cdom); |
|
return if ($home eq 'no_host'); |
|
my ($reqdmajor,$reqdminor,$displayrole); |
|
if ($cnum =~ /$LONCAPA::match_community/) { |
|
if ($major eq '' && $minor eq '') { |
|
return unless ((ref($ids) eq 'ARRAY') && |
|
(grep(/^\Q$home\E$/,@{$ids}))); |
|
} else { |
|
$reqdmajor = 2; |
|
$reqdminor = 9; |
|
return unless (&useable_role($reqdmajor,$reqdminor,$major,$minor)); |
|
} |
|
} |
|
my $hashid = $cdom.':'.$cnum; |
|
my ($courseinfo,$cached) = |
|
&Apache::lonnet::is_cached_new('courseinfo',$hashid); |
|
if (defined($cached)) { |
|
if (ref($courseinfo) eq 'HASH') { |
|
if (exists($courseinfo->{'releaserequired'})) { |
|
my ($reqdmajor,$reqdminor) = split(/\./,$courseinfo->{'releaserequired'}); |
|
return unless (&useable_role($reqdmajor,$reqdminor,$major,$minor)); |
|
} |
|
} |
|
} else { |
|
if (ref($ids) eq 'ARRAY') { |
|
if (grep(/^\Q$home\E$/,@{$ids})) { |
|
if (ref($homecourses) eq 'HASH') { |
|
if (ref($homecourses->{$hashid}) eq 'ARRAY') { |
|
push(@{$homecourses->{$hashid}},{$key=>$value}); |
|
} else { |
|
$homecourses->{$hashid} = [{$key=>$value}]; |
|
} |
|
} |
|
return; |
|
} |
|
} |
|
my $courseinfo = &get_courseinfo_hash($cnum,$cdom,$home); |
|
if (ref($courseinfo) eq 'HASH') { |
|
if (exists($courseinfo->{'releaserequired'})) { |
|
my ($reqdmajor,$reqdminor) = split(/\./,$courseinfo->{'releaserequired'}); |
|
return unless (&useable_role($reqdmajor,$reqdminor,$major,$minor)); |
|
} |
|
} else { |
|
return; |
|
} |
|
} |
|
return 1; |
|
} |
|
|
|
sub get_courseinfo_hash { |
|
my ($cnum,$cdom,$home) = @_; |
|
my %info; |
|
eval { |
|
local($SIG{ALRM}) = sub { die "timeout\n"; }; |
|
local($SIG{__DIE__})='DEFAULT'; |
|
alarm(3); |
|
%info = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,1,[$home],'.'); |
|
alarm(0); |
|
}; |
|
if ($@) { |
|
if ($@ eq "timeout\n") { |
|
&logthis("<font color='blue'>WARNING courseiddump for $cnum:$cdom from $home timedout</font>"); |
|
} else { |
|
&logthis("<font color='yellow'>WARNING unexpected error during eval of call for courseiddump from $home</font>"); |
|
} |
|
} else { |
|
if (ref($info{$cdom.'_'.$cnum}) eq 'HASH') { |
|
my $hashid = $cdom.':'.$cnum; |
|
return &Apache::lonnet::do_cache_new('courseinfo',$hashid,$info{$cdom.'_'.$cnum},600); |
|
} |
|
} |
|
return; |
|
} |
|
|
|
sub check_homecourses { |
|
my ($homecourses,$udom,$regexp,$count,$range,$start,$end,$major,$minor) = @_; |
|
my ($result,%addtocache); |
|
my $yesterday = time - 24*3600; |
|
if (ref($homecourses) eq 'HASH') { |
|
my (%okcourses,%courseinfo,%recent); |
|
my $hashref = &tie_domain_hash($udom, "nohist_courseids", &GDBM_WRCREAT()); |
|
if ($hashref) { |
|
while (my ($key,$value) = each(%$hashref)) { |
|
my $unesc_key = &unescape($key); |
|
if ($unesc_key =~ /^lasttime:(\w+)$/) { |
|
my $cid = $1; |
|
$cid =~ s/_/:/; |
|
if ($value > $yesterday ) { |
|
$recent{$cid} = 1; |
|
} |
|
next; |
|
} |
|
my $items = &Apache::lonnet::thaw_unescape($value); |
|
if (ref($items) eq 'HASH') { |
|
my $hashid = $unesc_key; |
|
$hashid =~ s/_/:/; |
|
$courseinfo{$hashid} = $items; |
|
if (ref($homecourses->{$hashid}) eq 'ARRAY') { |
|
my ($reqdmajor,$reqdminor) = split(/\./,$items->{'releaserequired'}); |
|
if (&useable_role($reqdmajor,$reqdminor,$major,$minor)) { |
|
$okcourses{$hashid} = 1; |
|
} |
|
} |
|
} |
|
} |
|
unless (&untie_domain_hash($hashref)) { |
|
&logthis('Failed to untie tied hash for nohist_courseids.db'); |
|
} |
|
} else { |
|
&logthis('Failed to tie hash for nohist_courseids.db'); |
|
return; |
|
} |
|
foreach my $hashid (keys(%recent)) { |
|
my ($result,$cached)=&Apache::lonnet::is_cached_new('courseinfo',$hashid); |
|
unless ($cached) { |
|
&Apache::lonnet::do_cache_new('courseinfo',$hashid,$courseinfo{$hashid},600); |
|
} |
|
} |
|
foreach my $hashid (keys(%{$homecourses})) { |
|
next if ($recent{$hashid}); |
|
&Apache::lonnet::do_cache_new('courseinfo',$hashid,$courseinfo{$hashid},600); |
|
} |
|
foreach my $hashid (keys(%okcourses)) { |
|
if (ref($homecourses->{$hashid}) eq 'ARRAY') { |
|
foreach my $role (@{$homecourses->{$hashid}}) { |
|
if (ref($role) eq 'HASH') { |
|
while (my ($key,$value) = each(%{$role})) { |
|
if ($regexp eq '.') { |
|
$count++; |
|
if (defined($range) && $count >= $end) { last; } |
|
if (defined($range) && $count < $start) { next; } |
|
$result.=$key.'='.$value.'&'; |
|
} else { |
|
my $unescapeKey = &unescape($key); |
|
if (eval('$unescapeKey=~/$regexp/')) { |
|
$count++; |
|
if (defined($range) && $count >= $end) { last; } |
|
if (defined($range) && $count < $start) { next; } |
|
$result.="$key=$value&"; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
return $result; |
|
} |
|
|
|
sub useable_role { |
|
my ($reqdmajor,$reqdminor,$major,$minor) = @_; |
|
if ($reqdmajor ne '' && $reqdminor ne '') { |
|
return if (($major eq '' && $minor eq '') || |
|
($major < $reqdmajor) || |
|
(($major == $reqdmajor) && ($minor < $reqdminor))); |
|
} |
|
return 1; |
|
} |
|
|
# ----------------------------------- POD (plain old documentation, CPAN style) |
# ----------------------------------- POD (plain old documentation, CPAN style) |
|
|
Line 7934 string.
|
Line 8210 string.
|
|
|
=back |
=back |
|
|
|
=back |
|
|
|
|
=cut |
=cut |