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Diff for /loncom/loncnew between versions 1.39 and 1.41

version 1.39, 2004/01/13 09:57:18 version 1.41, 2004/02/09 13:39:28
Line 63  use LONCAPA::Configuration; Line 63  use LONCAPA::Configuration;
 use LONCAPA::HashIterator;  use LONCAPA::HashIterator;
   
   
 #  
 #   Disable all signals we might receive from outside for now.  
 #  
   
   
 # Read the httpd configuration file to get perl variables  # Read the httpd configuration file to get perl variables
 # normally set in apache modules:  # normally set in apache modules:
   
Line 107  my $Status          = ""; # Current stat Line 102  my $Status          = ""; # Current stat
 my $RecentLogEntry  = "";  my $RecentLogEntry  = "";
 my $ConnectionRetries=2; # Number of connection retries allowed.  my $ConnectionRetries=2; # Number of connection retries allowed.
 my $ConnectionRetriesLeft=2; # Number of connection retries remaining.  my $ConnectionRetriesLeft=2; # Number of connection retries remaining.
   my $LondVersion     = "unknown"; # Version of lond we talk with.
   
 #  #
 #   The hash below gives the HTML format for log messages  #   The hash below gives the HTML format for log messages
Line 695  The connection must echo the challenge b Line 691  The connection must echo the challenge b
 The challenge has been replied to.  The we are receiveing the   The challenge has been replied to.  The we are receiveing the 
 'ok' from the partner.  'ok' from the partner.
   
   =head3  State=ReadingVersionString
   
   We have requested the lond version and are reading the
   version back.  Upon completion, we'll store the version away
   for future use(?).
   
   =head3 State=HostSet
   
   We have selected the domain name of our peer (multhomed hosts)
   and are getting the reply (presumably ok) back.
   
 =head3 State=RequestingKey  =head3 State=RequestingKey
   
 The ok has been received and we need to send the request for  The ok has been received and we need to send the request for
Line 749  sub LondReadable { Line 756  sub LondReadable {
     &Debug(2, "Socket->Readable returned: $status");      &Debug(2, "Socket->Readable returned: $status");
   
     if($status != 0) {      if($status != 0) {
  # bad return from socket read. Currently this means that   # bad return from socket read. Currently this means that
  # The socket has become disconnected. We fail the transaction.   # The socket has become disconnected. We fail the transaction.
   
  Log("WARNING",   Log("WARNING",
Line 767  sub LondReadable { Line 774  sub LondReadable {
     $State = $Socket->GetState(); # Update in case of transition.      $State = $Socket->GetState(); # Update in case of transition.
     &Debug(6, "After read, state is ".$State);      &Debug(6, "After read, state is ".$State);
   
    if($State eq "Initialized") {      if($State eq "Initialized") {
   
   
     } elsif ($State eq "ChallengeReceived") {      } elsif ($State eq "ChallengeReceived") {
  #  The challenge must be echoed back;  The state machine   #  The challenge must be echoed back;  The state machine
  # in the connection takes care of setting that up.  Just   # in the connection takes care of setting that up.  Just
  # need to transition to writable:   # need to transition to writable:
   
  $Watcher->cb(\&LondWritable);   $Watcher->cb(\&LondWritable);
  $Watcher->poll("w");   $Watcher->poll("w");
   
     } elsif ($State eq "ChallengeReplied") {      } elsif ($State eq "ChallengeReplied") {
   
       } elsif ($State eq "RequestingVersion") {
    # Need to ask for the version... that is writiability:
   
    $Watcher->cb(\&LondWritable);
    $Watcher->poll("w");
   
       } elsif ($State eq "ReadingVersionString") {
    # Read the rest of the version string... 
       } elsif ($State eq "SetHost") {
    # Need to request the actual domain get set...
   
    $Watcher->cb(\&LondWritable);
    $Watcher->poll("w");
       } elsif ($State eq "HostSet") {
    # Reading the 'ok' from the peer.
   
     } elsif ($State eq "RequestingKey") {      } elsif ($State eq "RequestingKey") {
  #  The ok was received.  Now we need to request the key   #  The ok was received.  Now we need to request the key
Line 791  sub LondReadable { Line 813  sub LondReadable {
     } elsif ($State eq "ReceivingKey") {      } elsif ($State eq "ReceivingKey") {
   
     } elsif ($State eq "Idle") {      } elsif ($State eq "Idle") {
      
    # This is as good a spot as any to get the peer version
    # string:
      
    if($LondVersion eq "unknown") {
       $LondVersion = $Socket->PeerVersion();
       Log("INFO", "Connected to lond version: $LondVersion");
    }
  # If necessary, complete a transaction and then go into the   # If necessary, complete a transaction and then go into the
  # idle queue.   # idle queue.
  #  Note that a trasition to idle indicates a live lond   #  Note that a trasition to idle indicates a live lond
Line 820  sub LondReadable { Line 850  sub LondReadable {
   
   
     } else {      } else {
  # Invalid state.   # Invalid state.
  Debug(4, "Invalid state in LondReadable");   Debug(4, "Invalid state in LondReadable");
     }      }
 }  }
Line 914  sub LondWritable { Line 944  sub LondWritable {
     KillSocket($Socket);      KillSocket($Socket);
     return;      return;
  }   }
         
  #  "init" is being sent...   #  "init" is being sent...
      
   
     } elsif ($State eq "Initialized")       {      } elsif ($State eq "Initialized")       {
   
  # Now that init was sent, we switch    # Now that init was sent, we switch 
Line 924  sub LondWritable { Line 954  sub LondWritable {
   
  $Watcher->cb(\&LondReadable);   $Watcher->cb(\&LondReadable);
  $Watcher->poll("r");   $Watcher->poll("r");
   
     } elsif ($State eq "ChallengeReceived") {      } elsif ($State eq "ChallengeReceived") {
  # We received the challenge, now we    # We received the challenge, now we 
  # are echoing it back. This is a no-op,   # are echoing it back. This is a no-op,
Line 943  sub LondWritable { Line 973  sub LondWritable {
   
  $Watcher->cb(\&LondReadable);   $Watcher->cb(\&LondReadable);
  $Watcher->poll("r");   $Watcher->poll("r");
       } elsif ($State eq "RequestingVersion") {
    # Sending the peer a version request...
         
    if($Socket->Writable() != 0) {
       $Watcher->cancel();
       KillSocket($Socket);
       return;
    }
       } elsif ($State eq "ReadingVersionString") {
    # Transition to read since we have sent the
    # version command and now just need to read the
    # version string from the peer:
         
    $Watcher->cb(\&LondReadable);
    $Watcher->poll("r");
         
       } elsif ($State eq "SetHost") {
    #  Setting the remote domain...
         
    if($Socket->Writable() != 0) {
       $Watcher->cancel();
       KillSocket($Socket);
       return;
    }
       } elsif ($State eq "HostSet") {
    # Back to readable to get the ok.
         
    $Watcher->cb(\&LondReadable);
    $Watcher->poll("r");
         
   
     } elsif ($State eq "RequestingKey")     {      } elsif ($State eq "RequestingKey")     {
  # At this time we're requesting the key.   # At this time we're requesting the key.
Line 966  sub LondWritable { Line 1026  sub LondWritable {
  $Watcher->poll("r");   $Watcher->poll("r");
   
     } elsif ($State eq "SendingRequest")    {      } elsif ($State eq "SendingRequest")    {
    
  # At this time we are sending a request to the   # At this time we are sending a request to the
  # peer... write the next chunk:   # peer... write the next chunk:
   
Removed from v.1.39  
changed lines
  Added in v.1.41

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