--- loncom/lonsql 2004/05/03 16:20:57 1.58 +++ loncom/lonsql 2005/11/24 20:03:49 1.69 @@ -3,7 +3,7 @@ # The LearningOnline Network # lonsql - LON TCP-MySQL-Server Daemon for handling database requests. # -# $Id: lonsql,v 1.58 2004/05/03 16:20:57 matthew Exp $ +# $Id: lonsql,v 1.69 2005/11/24 20:03:49 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -115,6 +115,7 @@ use Fcntl; use Tie::RefHash; use DBI; use File::Find; +use localenroll; ######################################################## ######################################################## @@ -205,6 +206,23 @@ my $run =0; # running count my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf'); my %perlvar=%{$perlvarref}; # +# Write the /home/www/.my.cnf file +my $conf_file = '/home/www/.my.cnf'; +if (! -e $conf_file) { + if (open MYCNF, ">$conf_file") { + print MYCNF <<"ENDMYCNF"; +[client] +user=www +password=$perlvar{'lonSqlAccess'} +ENDMYCNF + close MYCNF; + } else { + warn "Unable to write $conf_file, continuing"; + } +} + + +# # Make sure that database can be accessed # my $dbh; @@ -223,6 +241,7 @@ unless ($dbh = DBI->connect("DBI:mysql:l exit 1; } else { + unlink('/home/httpd/html/lon-status/mysql.txt'); $dbh->disconnect; } @@ -240,20 +259,18 @@ if (-e $pidfile) { # # Read hosts file # -my %hostip; my $thisserver; my $PREFORK=4; # number of children to maintain, at least four spare open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") || die "Can't read host file"; while (my $configline=) { - my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); - chomp($ip); - $hostip{$ip}=$id; + my ($id,$domain,$role,$name)=split(/:/,$configline); + $name=~s/\s//g; $thisserver=$name if ($id eq $perlvar{'lonHostID'}); - $PREFORK++; + #$PREFORK++; } close(CONFIG); # -$PREFORK=int($PREFORK/4); +#$PREFORK=int($PREFORK/4); # # Create a socket to talk to lond @@ -282,7 +299,7 @@ my $execdir=$perlvar{'lonDaemons'}; open (PIDSAVE,">$execdir/logs/lonsql.pid"); print PIDSAVE "$$\n"; close(PIDSAVE); -&logthis("CRITICAL: ---------- Starting ----------"); +&logthis("CRITICAL: ---------- Starting ----------"); # # Ignore signals generated during initial startup @@ -353,7 +370,7 @@ sub make_new_child { $perlvar{'lonSqlAccess'}, { RaiseError =>0,PrintError=>0})) { sleep(10+int(rand(20))); - &logthis("WARNING: Couldn't connect to database". + &logthis("WARNING: Couldn't connect to database". ": $@"); # "($st secs): $@"); print "database handle error\n"; @@ -381,7 +398,7 @@ sub make_new_child { $queryid .= $run; print $client "$queryid\n"; # - &logthis("QUERY: $query - $arg1 - $arg2 - $arg3"); + # &logthis("QUERY: $query - $arg1 - $arg2 - $arg3"); sleep 1; # my $result=''; @@ -406,6 +423,37 @@ sub make_new_child { $result='no_such_file'; } # end of log query + } elsif ($query eq 'fetchenrollment') { + # retrieve institutional class lists + my $dom = &unescape($arg1); + my %affiliates = (); + my %replies = (); + my $locresult = ''; + my $querystr = &unescape($arg3); + foreach (split/%%/,$querystr) { + if (/^([^=]+)=([^=]+)$/) { + @{$affiliates{$1}} = split/,/,$2; + } + } + $locresult = &localenroll::fetch_enrollment($dom,\%affiliates,\%replies); + $result = &escape($locresult.':'); + if ($locresult) { + $result .= &escape(join(':',map{$_.'='.$replies{$_}} keys %replies)); + } + } elsif ($query eq 'prepare activity log') { + my ($cid,$domain) = map {&unescape($_);} ($arg1,$arg2); + &logthis('preparing activity log tables for '.$cid); + my $command = + qq{$perlvar{'lonDaemons'}/parse_activity_log.pl -course=$cid -domain=$domain}; + system($command); + &logthis($command); + my $returnvalue = $?>>8; + if ($returnvalue) { + $result = 'error: parse_activity_log.pl returned '. + $returnvalue; + } else { + $result = 'success'; + } } else { # Do an sql query $result = &do_sql_query($query,$arg1,$arg2); @@ -413,15 +461,13 @@ sub make_new_child { # result does not need to be escaped because it has already been # escaped. #$result=&escape($result); - # reply with result, append \n unless already there - $result.="\n" unless ($result=~/\n$/); &reply("queryreply:$queryid:$result",$conserver); } # tidy up gracefully and finish # # close the database handle $dbh->disconnect - or &logthis("WARNING: Couldn't disconnect". + or &logthis("WARNING: Couldn't disconnect". " from database $DBI::errstr : $@"); # this exit is VERY important, otherwise the child will become # a producer of more and more children, forking yourself into @@ -462,6 +508,7 @@ sub process_file { sub do_sql_query { my ($query,$custom,$customshow) = @_; +# &logthis('doing query '.$query); $custom = &unescape($custom); $customshow = &unescape($customshow); # @@ -476,7 +523,7 @@ sub do_sql_query { #prepare and execute the query my $sth = $dbh->prepare($query); unless ($sth->execute()) { - &logthis(''. + &logthis(''. 'WARNING: Could not retrieve from database:'. $sth->errstr().''); } else { @@ -910,7 +957,7 @@ sub HUNTSMAN { # si kill 'INT' => keys %children; my $execdir=$perlvar{'lonDaemons'}; unlink("$execdir/logs/lonsql.pid"); - &logthis("CRITICAL: Shutting down"); + &logthis("CRITICAL: Shutting down"); $unixsock = "mysqlsock"; my $port="$perlvar{'lonSockDir'}/$unixsock"; unlink($port); @@ -921,7 +968,7 @@ sub HUPSMAN { # sig local($SIG{CHLD}) = 'IGNORE'; # we're going to kill our children kill 'INT' => keys %children; close($server); # free up socket - &logthis("CRITICAL: Restarting"); + &logthis("CRITICAL: Restarting"); my $execdir=$perlvar{'lonDaemons'}; $unixsock = "mysqlsock"; my $port="$perlvar{'lonSockDir'}/$unixsock"; @@ -931,7 +978,7 @@ sub HUPSMAN { # sig sub DISCONNECT { $dbh->disconnect or - &logthis("WARNING: Couldn't disconnect from database ". + &logthis("WARNING: Couldn't disconnect from database ". " $DBI::errstr : $@"); exit; }