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Diff for /loncom/lond between versions 1.323 and 1.325

version 1.323, 2006/03/04 00:59:59 version 1.325, 2006/05/11 17:53:22
Line 31 Line 31
   
 use strict;  use strict;
 use lib '/home/httpd/lib/perl/';  use lib '/home/httpd/lib/perl/';
   use LONCAPA;
 use LONCAPA::Configuration;  use LONCAPA::Configuration;
   
 use IO::Socket;  use IO::Socket;
Line 3240  sub restore_handler { Line 3241  sub restore_handler {
 &register_handler("restore", \&restore_handler, 0,1,0);  &register_handler("restore", \&restore_handler, 0,1,0);
   
 #  #
 #   Add a chat message to to a discussion board.  #   Add a chat message to a synchronous discussion board.
 #  #
 # Parameters:  # Parameters:
 #    $cmd                - Request keyword.  #    $cmd                - Request keyword.
 #    $tail               - Tail of the command. A colon separated list  #    $tail               - Tail of the command. A colon separated list
 #                          containing:  #                          containing:
 #                          cdom    - Domain on which the chat board lives  #                          cdom    - Domain on which the chat board lives
 #                          cnum    - Identifier of the discussion group.  #                          cnum    - Course containing the chat board.
 #                          post    - Body of the posting.  #                          newpost - Body of the posting.
   #                          group   - Optional group, if chat board is only 
   #                                    accessible in a group within the course 
 #   $client              - Socket open on the client.  #   $client              - Socket open on the client.
 # Returns:  # Returns:
 #   1    - Indicating caller should keep on processing.  #   1    - Indicating caller should keep on processing.
Line 3263  sub send_chat_handler { Line 3266  sub send_chat_handler {
           
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     my ($cdom,$cnum,$newpost)=split(/\:/,$tail);      my ($cdom,$cnum,$newpost,$group)=split(/\:/,$tail);
     &chat_add($cdom,$cnum,$newpost);      &chat_add($cdom,$cnum,$newpost,$group);
     &Reply($client, "ok\n", $userinput);      &Reply($client, "ok\n", $userinput);
   
     return 1;      return 1;
Line 3272  sub send_chat_handler { Line 3275  sub send_chat_handler {
 &register_handler("chatsend", \&send_chat_handler, 0, 1, 0);  &register_handler("chatsend", \&send_chat_handler, 0, 1, 0);
   
 #  #
 #   Retrieve the set of chat messagss from a discussion board.  #   Retrieve the set of chat messages from a discussion board.
 #  #
 #  Parameters:  #  Parameters:
 #    $cmd             - Command keyword that initiated the request.  #    $cmd             - Command keyword that initiated the request.
Line 3282  sub send_chat_handler { Line 3285  sub send_chat_handler {
 #                       chat id        - Discussion thread(?)  #                       chat id        - Discussion thread(?)
 #                       domain/user    - Authentication domain and username  #                       domain/user    - Authentication domain and username
 #                                        of the requesting person.  #                                        of the requesting person.
   #                       group          - Optional course group containing
   #                                        the board.      
 #   $client           - Socket open on the client program.  #   $client           - Socket open on the client program.
 # Returns:  # Returns:
 #    1     - continue processing  #    1     - continue processing
Line 3294  sub retrieve_chat_handler { Line 3299  sub retrieve_chat_handler {
   
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     my ($cdom,$cnum,$udom,$uname)=split(/\:/,$tail);      my ($cdom,$cnum,$udom,$uname,$group)=split(/\:/,$tail);
     my $reply='';      my $reply='';
     foreach (&get_chat($cdom,$cnum,$udom,$uname)) {      foreach (&get_chat($cdom,$cnum,$udom,$uname,$group)) {
  $reply.=&escape($_).':';   $reply.=&escape($_).':';
     }      }
     $reply=~s/\:$//;      $reply=~s/\:$//;
Line 5173  sub status { Line 5178  sub status {
     $0='lond: '.$what.' '.$local;      $0='lond: '.$what.' '.$local;
 }  }
   
 # -------------------------------------------------------- Escape Special Chars  
   
 sub escape {  
     my $str=shift;  
     $str =~ s/(\W)/"%".unpack('H2',$1)/eg;  
     return $str;  
 }  
   
 # ----------------------------------------------------- Un-Escape Special Chars  
   
 sub unescape {  
     my $str=shift;  
     $str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;  
     return $str;  
 }  
   
 # ----------------------------------------------------------- Send USR1 to lonc  # ----------------------------------------------------------- Send USR1 to lonc
   
 sub reconlonc {  sub reconlonc {
Line 5875  sub addline { Line 5864  sub addline {
 }  }
   
 sub get_chat {  sub get_chat {
     my ($cdom,$cname,$udom,$uname)=@_;      my ($cdom,$cname,$udom,$uname,$group)=@_;
   
     my @entries=();      my @entries=();
     my $hashref = &tie_user_hash($cdom, $cname, 'nohist_chatroom',      my $namespace = 'nohist_chatroom';
       my $namespace_inroom = 'nohist_inchatroom';
       if (defined($group)) {
           $namespace .= '_'.$group;
           $namespace_inroom .= '_'.$group;
       }
       my $hashref = &tie_user_hash($cdom, $cname, $namespace,
  &GDBM_READER());   &GDBM_READER());
     if ($hashref) {      if ($hashref) {
  @entries=map { $_.':'.$hashref->{$_} } sort(keys(%$hashref));   @entries=map { $_.':'.$hashref->{$_} } sort(keys(%$hashref));
Line 5886  sub get_chat { Line 5881  sub get_chat {
     }      }
     my @participants=();      my @participants=();
     my $cutoff=time-60;      my $cutoff=time-60;
     $hashref = &tie_user_hash($cdom, $cname, 'nohist_inchatroom',      $hashref = &tie_user_hash($cdom, $cname, $namespace_inroom,
       &GDBM_WRCREAT());        &GDBM_WRCREAT());
     if ($hashref) {      if ($hashref) {
         $hashref->{$uname.':'.$udom}=time;          $hashref->{$uname.':'.$udom}=time;
Line 5901  sub get_chat { Line 5896  sub get_chat {
 }  }
   
 sub chat_add {  sub chat_add {
     my ($cdom,$cname,$newchat)=@_;      my ($cdom,$cname,$newchat,$group)=@_;
     my @entries=();      my @entries=();
     my $time=time;      my $time=time;
     my $hashref = &tie_user_hash($cdom, $cname, 'nohist_chatroom',      my $namespace = 'nohist_chatroom';
       my $logfile = 'chatroom.log';
       if (defined($group)) {
           $namespace .= '_'.$group;
           $logfile = 'chatroom_'.$group.'.log';
       }
       my $hashref = &tie_user_hash($cdom, $cname, $namespace,
  &GDBM_WRCREAT());   &GDBM_WRCREAT());
     if ($hashref) {      if ($hashref) {
  @entries=map { $_.':'.$hashref->{$_} } sort(keys(%$hashref));   @entries=map { $_.':'.$hashref->{$_} } sort(keys(%$hashref));
Line 5927  sub chat_add { Line 5928  sub chat_add {
  }   }
  {   {
     my $proname=&propath($cdom,$cname);      my $proname=&propath($cdom,$cname);
     if (open(CHATLOG,">>$proname/chatroom.log")) {       if (open(CHATLOG,">>$proname/$logfile")) { 
  print CHATLOG ("$time:".&unescape($newchat)."\n");   print CHATLOG ("$time:".&unescape($newchat)."\n");
     }      }
     close(CHATLOG);      close(CHATLOG);
Removed from v.1.323  
changed lines
  Added in v.1.325

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