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Diff for /loncom/loncnew between versions 1.41 and 1.46

version 1.41, 2004/02/09 13:39:28 version 1.46, 2004/05/25 15:32:13
Line 110  my $LondVersion     = "unknown"; # Versi Line 110  my $LondVersion     = "unknown"; # Versi
 #      #    
 my %LogFormats;  my %LogFormats;
   
 $LogFormats{"CRITICAL"} = "<font color=red>CRITICAL: %s</font>";  $LogFormats{"CRITICAL"} = "<font color='red'>CRITICAL: %s</font>";
 $LogFormats{"SUCCESS"}  = "<font color=green>SUCCESS: %s</font>";  $LogFormats{"SUCCESS"}  = "<font color='green'>SUCCESS: %s</font>";
 $LogFormats{"INFO"}     = "<font color=yellow>INFO: %s</font>";  $LogFormats{"INFO"}     = "<font color='yellow'>INFO: %s</font>";
 $LogFormats{"WARNING"}  = "<font color=blue>WARNING: %s</font>";  $LogFormats{"WARNING"}  = "<font color='blue'>WARNING: %s</font>";
 $LogFormats{"DEFAULT"}  = " %s ";  $LogFormats{"DEFAULT"}  = " %s ";
   
   
Line 262  sub SocketTimeout { Line 262  sub SocketTimeout {
     Log("WARNING", "A socket timeout was detected");      Log("WARNING", "A socket timeout was detected");
     Debug(0, " SocketTimeout called: ");      Debug(0, " SocketTimeout called: ");
     $Socket->Dump();      $Socket->Dump();
       if(exists($ActiveTransactions{$Socket})) {
    FailTransaction($ActiveTransactions{$Socket});
       }
     KillSocket($Socket); # A transaction timeout also counts as      KillSocket($Socket); # A transaction timeout also counts as
                                 # a connection failure:                                  # a connection failure:
     $ConnectionRetriesLeft--;      $ConnectionRetriesLeft--;
       if($ConnectionRetriesLeft <= 0) {
    Log("CRITICAL", "Host marked dead: ".GetServerHost());
       }
   
 }  }
 #----------------------------- Timer management ------------------------  #----------------------------- Timer management ------------------------
   
Line 326  sub Tick { Line 333  sub Tick {
     if($successCount == 0) { # All connections failed:      if($successCount == 0) { # All connections failed:
  Debug(5,"Work in queue failed to make any connectiouns\n");   Debug(5,"Work in queue failed to make any connectiouns\n");
  EmptyQueue(); # Fail pending transactions with con_lost.   EmptyQueue(); # Fail pending transactions with con_lost.
    CloseAllLondConnections(); # Should all be closed but....
     }      }
  } else {   } else {
     ShowStatus(GetServerHost()." >>> DEAD!!! <<<");      ShowStatus(GetServerHost()." >>> DEAD!!! <<<");
     Debug(5,"Work in queue, but gave up on connections..flushing\n");      Debug(5,"Work in queue, but gave up on connections..flushing\n");
     EmptyQueue(); # Connections can't be established.      EmptyQueue(); # Connections can't be established.
       CloseAllLondConnections(); # Should all already be closed but...
  }   }
                 
     }      }
Line 521  sub CompleteTransaction { Line 530  sub CompleteTransaction {
  unlink $Transaction->getFile();   unlink $Transaction->getFile();
     }      }
 }  }
   
 =pod  =pod
   
 =head1 StartClientReply  =head1 StartClientReply
   
    Initiates a reply to a client where the reply data is a parameter.     Initiates a reply to a client where the reply data is a parameter.
Line 537  sub CompleteTransaction { Line 548  sub CompleteTransaction {
     The data to send to apached client.      The data to send to apached client.
   
 =cut  =cut
   
 sub StartClientReply {  sub StartClientReply {
     my $Transaction   = shift;      my $Transaction   = shift;
     my $data     = shift;      my $data     = shift;
Line 554  sub StartClientReply { Line 566  sub StartClientReply {
       cb       => \&ClientWritable,        cb       => \&ClientWritable,
       data     => $data);        data     => $data);
 }  }
   
 =pod  =pod
   
 =head2 FailTransaction  =head2 FailTransaction
   
   Finishes a transaction with failure because the associated lond socket    Finishes a transaction with failure because the associated lond socket
Line 564  sub StartClientReply { Line 578  sub StartClientReply {
   - The transaction is 'live' in which case we initiate the sending    - The transaction is 'live' in which case we initiate the sending
     of "con_lost" to the client.      of "con_lost" to the client.
   
 Deleting the transaction means killing it from the   Deleting the transaction means killing it from the %ActiveTransactions hash.
 %ActiveTransactions hash.  
   
 Parameters:  Parameters:
   
Line 573  Parameters: Line 586  Parameters:
     
    The LondTransaction we are failing.     The LondTransaction we are failing.
     
   
 =cut  =cut
   
 sub FailTransaction {  sub FailTransaction {
Line 584  sub FailTransaction { Line 598  sub FailTransaction {
  Debug(1," Replying con_lost to ".$transaction->getRequest());   Debug(1," Replying con_lost to ".$transaction->getRequest());
  StartClientReply($transaction, "con_lost\n");   StartClientReply($transaction, "con_lost\n");
     }      }
     if($ConnectionRetriesLeft <= 0) {  
  Log("CRITICAL", "Host marked dead: ".GetServerHost());  
     }  
   
 }  }
   
Line 614  Close all connections open on lond prior Line 625  Close all connections open on lond prior
 =cut  =cut
 sub CloseAllLondConnections {  sub CloseAllLondConnections {
     foreach my $Socket (keys %ActiveConnections) {      foreach my $Socket (keys %ActiveConnections) {
  KillSocket($Socket);        if(exists($ActiveTransactions{$Socket})) {
    FailTransaction($ActiveTransactions{$Socket});
         }
         KillSocket($Socket);
     }      }
 }  }
 =cut  =cut
Line 666  sub KillSocket { Line 680  sub KillSocket {
     #      #
     if($ConnectionCount == 0) {      if($ConnectionCount == 0) {
  EmptyQueue();   EmptyQueue();
    CloseAllLondConnections; # Should all already be closed but...
     }      }
 }  }
   
Line 932  sub LondWritable { Line 947  sub LondWritable {
   
     SocketDump(6,$Socket);      SocketDump(6,$Socket);
   
     if      ($State eq "Connected")         {      #  If the socket is writable, we must always write.
       # Only by writing will we undergo state transitions.
  if ($Socket->Writable() != 0) {      # Old logic wrote in state specific code below, however
     #  The write resulted in an error.      # That forces us at least through another invocation of
     # We'll treat this as if the socket got disconnected:      # this function after writability is possible again.
     Log("WARNING", "Connection to ".$RemoteHost.      # This logic also factors out common code for handling
  " has been disconnected");      # write failures... in all cases, write failures 
       # Kill the socket.
       #  This logic makes the branches of the >big< if below
       # so that the writing states are actually NO-OPs.
   
       if ($Socket->Writable() != 0) {
    #  The write resulted in an error.
    # We'll treat this as if the socket got disconnected:
    Log("WARNING", "Connection to ".$RemoteHost.
       " has been disconnected");
    if(exists($ActiveTransactions{$Socket})) {
     FailTransaction($ActiveTransactions{$Socket});      FailTransaction($ActiveTransactions{$Socket});
     $Watcher->cancel();  
     KillSocket($Socket);  
     return;  
  }   }
          $Watcher->cancel();
    KillSocket($Socket);
    return;
       }
   
   
   
       if      ($State eq "Connected")         {
   
  #  "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 960  sub LondWritable { Line 990  sub LondWritable {
  # are echoing it back. This is a no-op,   # are echoing it back. This is a no-op,
  # we're waiting for the state to change   # we're waiting for the state to change
   
  if($Socket->Writable() != 0) {  
   
     $Watcher->cancel();  
     KillSocket($Socket);  
     return;  
  }  
   
     } elsif ($State eq "ChallengeReplied")  {      } elsif ($State eq "ChallengeReplied")  {
  # The echo was sent back, so we switch   # The echo was sent back, so we switch
  # to watching readability.   # to watching readability.
Line 975  sub LondWritable { Line 998  sub LondWritable {
  $Watcher->poll("r");   $Watcher->poll("r");
     } elsif ($State eq "RequestingVersion") {      } elsif ($State eq "RequestingVersion") {
  # Sending the peer a version request...   # Sending the peer a version request...
         
  if($Socket->Writable() != 0) {  
     $Watcher->cancel();  
     KillSocket($Socket);  
     return;  
  }  
     } elsif ($State eq "ReadingVersionString") {      } elsif ($State eq "ReadingVersionString") {
  # Transition to read since we have sent the   # Transition to read since we have sent the
  # version command and now just need to read the   # version command and now just need to read the
Line 991  sub LondWritable { Line 1009  sub LondWritable {
               
     } elsif ($State eq "SetHost") {      } elsif ($State eq "SetHost") {
  #  Setting the remote domain...   #  Setting the remote domain...
         
  if($Socket->Writable() != 0) {  
     $Watcher->cancel();  
     KillSocket($Socket);  
     return;  
  }  
     } elsif ($State eq "HostSet") {      } elsif ($State eq "HostSet") {
  # Back to readable to get the ok.   # Back to readable to get the ok.
               
Line 1007  sub LondWritable { Line 1020  sub LondWritable {
     } elsif ($State eq "RequestingKey")     {      } elsif ($State eq "RequestingKey")     {
  # At this time we're requesting the key.   # At this time we're requesting the key.
  # again, this is essentially a no-op.   # again, this is essentially a no-op.
  # we'll write the next chunk until the  
  # state changes.  
   
  if($Socket->Writable() != 0) {  
     # Write resulted in an error.  
   
     $Watcher->cancel();  
     KillSocket($Socket);  
     return;  
   
  }  
     } elsif ($State eq "ReceivingKey")      {      } elsif ($State eq "ReceivingKey")      {
  # Now we need to wait for the key   # Now we need to wait for the key
  # to come back from the peer:   # to come back from the peer:
Line 1030  sub LondWritable { Line 1033  sub LondWritable {
  # 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:
   
  if($Socket->Writable() != 0) {  
   
     if(exists($ActiveTransactions{$Socket})) {  
  Debug(3, "Lond connection lost, failing transactions");  
  FailTransaction($ActiveTransactions{$Socket});  
     }  
     $Watcher->cancel();  
     KillSocket($Socket);  
     return;  
       
  }  
   
     } elsif ($State eq "ReceivingReply")    {      } elsif ($State eq "ReceivingReply")    {
  # The send has completed.  Wait for the   # The send has completed.  Wait for the
Line 1229  sub QueueTransaction { Line 1221  sub QueueTransaction {
  Debug(5,"Starting additional lond connection");   Debug(5,"Starting additional lond connection");
  if(MakeLondConnection() == 0) {   if(MakeLondConnection() == 0) {
     EmptyQueue(); # Fail transactions, can't make connection.      EmptyQueue(); # Fail transactions, can't make connection.
       CloseAllLondConnections; # Should all be closed but...
  }   }
     } else {      } else {
  ShowStatus(GetServerHost()." >>> DEAD !!!! <<<");   ShowStatus(GetServerHost()." >>> DEAD !!!! <<<");
  EmptyQueue(); # It's worse than that ... he's dead Jim.   EmptyQueue(); # It's worse than that ... he's dead Jim.
    CloseAllLondConnections; # Should all be closed but..
     }      }
  }   }
     } else { # Can start the request:      } else { # Can start the request:
Line 1275  sub ClientRequest { Line 1269  sub ClientRequest {
     Debug(8,"Data: ".$data." this read: ".$thisread);      Debug(8,"Data: ".$data." this read: ".$thisread);
     $data = $data.$thisread; # Append new data.      $data = $data.$thisread; # Append new data.
     $watcher->data($data);      $watcher->data($data);
     if($data =~ /(.*\n)/) { # Request entirely read.      if($data =~ /\n$/) { # Request entirely read.
  if($data eq "close_connection_exit\n") {   if($data eq "close_connection_exit\n") {
     Log("CRITICAL",      Log("CRITICAL",
  "Request Close Connection ... exiting");   "Request Close Connection ... exiting");
Line 1422  into the status file. Line 1416  into the status file.
 We also use this to reset the retries count in order to allow the  We also use this to reset the retries count in order to allow the
 client to retry connections with a previously dead server.  client to retry connections with a previously dead server.
 =cut  =cut
   
 sub ChildStatus {  sub ChildStatus {
     my $event = shift;      my $event = shift;
     my $watcher = $event->w;      my $watcher = $event->w;
Line 1434  sub ChildStatus { Line 1429  sub ChildStatus {
     #      #
     #  Write out information about each of the connections:      #  Write out information about each of the connections:
     #      #
     print $fh "Active connection statuses: \n";      if ($DebugLevel > 2) {
     my $i = 1;   print $fh "Active connection statuses: \n";
     print STDERR  "================================= Socket Status Dump:\n";   my $i = 1;
     foreach my $item (keys %ActiveConnections) {   print STDERR  "================================= Socket Status Dump:\n";
  my $Socket = $ActiveConnections{$item}->data;   foreach my $item (keys %ActiveConnections) {
  my $state  = $Socket->GetState();      my $Socket = $ActiveConnections{$item}->data;
  print $fh "Connection $i State: $state\n";      my $state  = $Socket->GetState();
  print STDERR "---------------------- Connection $i \n";      print $fh "Connection $i State: $state\n";
  $Socket->Dump();      print STDERR "---------------------- Connection $i \n";
  $i++;      $Socket->Dump();
       $i++;
    }
     }      }
     $ConnectionRetriesLeft = $ConnectionRetries;      $ConnectionRetriesLeft = $ConnectionRetries;
 }  }
Removed from v.1.41  
changed lines
  Added in v.1.46

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