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Diff for /loncom/loncnew between versions 1.40 and 1.47

version 1.40, 2004/02/09 10:58:03 version 1.47, 2004/06/01 10:02:13
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 156  host and the time will be formatted into Line 156  host and the time will be formatted into
 =cut  =cut
   
 sub Log {  sub Log {
     my $severity = shift;  
     my $message  = shift;      my ($severity, $message) = @_;
      
     if(!$LogFormats{$severity}) {      if(!$LogFormats{$severity}) {
  $severity = "DEFAULT";   $severity = "DEFAULT";
     }      }
Line 193  Returns the name of the host that a sock Line 193  Returns the name of the host that a sock
 =cut  =cut
   
 sub GetPeername {  sub GetPeername {
     my $connection = shift;  
     my $AdrFamily  = shift;  
       my ($connection, $AdrFamily) = @_;
   
     my $peer       = $connection->peername();      my $peer       = $connection->peername();
     my $peerport;      my $peerport;
     my $peerip;      my $peerip;
Line 217  Invoked to issue a debug message. Line 219  Invoked to issue a debug message.
 =cut  =cut
   
 sub Debug {  sub Debug {
     my $level   = shift;  
     my $message = shift;      my ($level, $message) = @_;
   
     if ($level <= $DebugLevel) {      if ($level <= $DebugLevel) {
  Log("INFO", "-Debug- $message host = $RemoteHost");   Log("INFO", "-Debug- $message host = $RemoteHost");
     }      }
 }  }
   
 sub SocketDump {  sub SocketDump {
     my $level = shift;  
     my $socket= shift;      my ($level, $socket) = @_;
   
     if($level <= $DebugLevel) {      if($level <= $DebugLevel) {
  $socket->Dump();   $socket->Dump();
     }      }
Line 262  sub SocketTimeout { Line 266  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 337  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 506  The transaction that is being completed. Line 519  The transaction that is being completed.
   
 sub CompleteTransaction {  sub CompleteTransaction {
     &Debug(5,"Complete transaction");      &Debug(5,"Complete transaction");
     my $Socket = shift;  
     my $Transaction = shift;      my ($Socket, $Transaction) = @_;
   
     if (!$Transaction->isDeferred()) { # Normal transaction      if (!$Transaction->isDeferred()) { # Normal transaction
  my $data   = $Socket->GetReply(); # Data to send.   my $data   = $Socket->GetReply(); # Data to send.
Line 521  sub CompleteTransaction { Line 534  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 552  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 $data     = shift;  
   
       my ($Transaction, $data) = @_;
   
     my $Client   = $Transaction->getClient();      my $Client   = $Transaction->getClient();
   
Line 554  sub StartClientReply { Line 569  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 581  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 589  Parameters:
     
    The LondTransaction we are failing.     The LondTransaction we are failing.
     
   
 =cut  =cut
   
 sub FailTransaction {  sub FailTransaction {
Line 584  sub FailTransaction { Line 601  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 628  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($Socket);
     }      }
 }  }
 =cut  =cut
Line 666  sub KillSocket { Line 683  sub KillSocket {
     #      #
     if($ConnectionCount == 0) {      if($ConnectionCount == 0) {
  EmptyQueue();   EmptyQueue();
    CloseAllLondConnections; # Should all already be closed but...
     }      }
 }  }
   
Line 740  transaction is in progress, the socket a Line 758  transaction is in progress, the socket a
   
 sub LondReadable {  sub LondReadable {
   
    my $Event      = shift;      my $Event      = shift;
    my $Watcher    = $Event->w;      my $Watcher    = $Event->w;
    my $Socket     = $Watcher->data;      my $Socket     = $Watcher->data;
    my $client     = undef;      my $client     = undef;
   
    &Debug(6,"LondReadable called state = ".$Socket->GetState());      &Debug(6,"LondReadable called state = ".$Socket->GetState());
   
   
    my $State = $Socket->GetState(); # All action depends on the state.      my $State = $Socket->GetState(); # All action depends on the state.
   
    SocketDump(6, $Socket);      SocketDump(6, $Socket);
    my $status = $Socket->Readable();      my $status = $Socket->Readable();
   
    &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",
          "Lond connection lost.");      "Lond connection lost.");
       if(exists($ActiveTransactions{$Socket})) {   if(exists($ActiveTransactions{$Socket})) {
          FailTransaction($ActiveTransactions{$Socket});      FailTransaction($ActiveTransactions{$Socket});
       }   }
       $Watcher->cancel();   $Watcher->cancel();
       KillSocket($Socket);   KillSocket($Socket);
       $ConnectionRetriesLeft--;       # Counts as connection failure   $ConnectionRetriesLeft--;       # Counts as connection failure
       return;   return;
    }      }
    SocketDump(6,$Socket);      SocketDump(6,$Socket);
   
    $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->poll("w");
   
       $Watcher->cb(\&LondWritable);      } elsif ($State eq "ChallengeReplied") {
       $Watcher->poll("w");  
   
    } elsif ($State eq "ChallengeReplied") {      } elsif ($State eq "RequestingVersion") {
    # Need to ask for the version... that is writiability:
   
    } elsif ($State eq "RequestingVersion") {   $Watcher->cb(\&LondWritable);
       # Need to ask for the version... that is writiability:   $Watcher->poll("w");
         
       $Watcher->cb(\&LondWritable);      } elsif ($State eq "ReadingVersionString") {
       $Watcher->poll("w");   # Read the rest of the version string... 
             } elsif ($State eq "SetHost") {
    } elsif ($State eq "ReadingVersionString") {   # Need to request the actual domain get set...
       # Read the rest of the version string...   
    } elsif ($State eq "SetHost") {   $Watcher->cb(\&LondWritable);
       # Need to request the actual domain get set...   $Watcher->poll("w");
             } elsif ($State eq "HostSet") {
       $Watcher->cb(\&LondWritable);   # Reading the 'ok' from the peer.
       $Watcher->poll("w");  
    } elsif ($State eq "HostSet") {      } elsif ($State eq "RequestingKey") {
       # Reading the 'ok' from the peer.  
         
    } 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
  #  That requires us to be writable:   #  That requires us to be writable:
   
       $Watcher->cb(\&LondWritable);   $Watcher->cb(\&LondWritable);
       $Watcher->poll("w");   $Watcher->poll("w");
   
    } 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   # This is as good a spot as any to get the peer version
    # string:   # string:
         
    if($LondVersion eq "unknown") {   if($LondVersion eq "unknown") {
       $LondVersion = $Socket->PeerVersion();      $LondVersion = $Socket->PeerVersion();
       Log("INFO", "Connected to lond version: $LondVersion");      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
  # on the other end so reset the connection retries.   # on the other end so reset the connection retries.
  #   #
       $ConnectionRetriesLeft = $ConnectionRetries; # success resets the count   $ConnectionRetriesLeft = $ConnectionRetries; # success resets the count
       $Watcher->cancel();   $Watcher->cancel();
       if(exists($ActiveTransactions{$Socket})) {   if(exists($ActiveTransactions{$Socket})) {
          Debug(5,"Completing transaction!!");      Debug(5,"Completing transaction!!");
          CompleteTransaction($Socket,       CompleteTransaction($Socket, 
                              $ActiveTransactions{$Socket});   $ActiveTransactions{$Socket});
       } else {   } else {
          Log("SUCCESS", "Connection ".$ConnectionCount." to "      Log("SUCCESS", "Connection ".$ConnectionCount." to "
             .$RemoteHost." now ready for action");   .$RemoteHost." now ready for action");
       }   }
       ServerToIdle($Socket); # Next work unit or idle.   ServerToIdle($Socket); # Next work unit or idle.
   
    } elsif ($State eq "SendingRequest") {      } elsif ($State eq "SendingRequest") {
  #  We need to be writable for this and probably don't belong   #  We need to be writable for this and probably don't belong
  #  here inthe first place.   #  here inthe first place.
   
       Deubg(6, "SendingRequest state encountered in readable");   Deubg(6, "SendingRequest state encountered in readable");
       $Watcher->poll("w");   $Watcher->poll("w");
       $Watcher->cb(\&LondWritable);   $Watcher->cb(\&LondWritable);
   
    } elsif ($State eq "ReceivingReply") {      } elsif ($State eq "ReceivingReply") {
   
   
    } else {      } else {
  # Invalid state.   # Invalid state.
       Debug(4, "Invalid state in LondReadable");   Debug(4, "Invalid state in LondReadable");
    }      }
 }  }
   
 =pod  =pod
Line 932  sub LondWritable { Line 950  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.
       # Old logic wrote in state specific code below, however
       # That forces us at least through another invocation of
       # this function after writability is possible again.
       # This logic also factors out common code for handling
       # 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});
    }
    $Watcher->cancel();
    KillSocket($Socket);
    return;
       }
   
       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");  
          FailTransaction($ActiveTransactions{$Socket});  
          $Watcher->cancel();  
          KillSocket($Socket);  
          return;  
       }  
         
    #  "init" is being sent...  
      
    } elsif ($State eq "Initialized")       {  
   
       # Now that init was sent, we switch   
       # to watching for readability:  
   
       $Watcher->cb(\&LondReadable);      if      ($State eq "Connected")         {
       $Watcher->poll("r");  
   
    } elsif ($State eq "ChallengeReceived") {   #  "init" is being sent...
       # We received the challenge, now we    
       # are echoing it back. This is a no-op,      } elsif ($State eq "Initialized")       {
       # we're waiting for the state to change  
   
       if($Socket->Writable() != 0) {  
   
          $Watcher->cancel();   # Now that init was sent, we switch 
          KillSocket($Socket);   # to watching for readability:
          return;  
       }   $Watcher->cb(\&LondReadable);
    $Watcher->poll("r");
   
    } elsif ($State eq "ChallengeReplied")  {      } elsif ($State eq "ChallengeReceived") {
       # The echo was sent back, so we switch   # We received the challenge, now we 
       # to watching readability.   # are echoing it back. This is a no-op,
    # we're waiting for the state to change
       $Watcher->cb(\&LondReadable);  
       $Watcher->poll("r");      } elsif ($State eq "ChallengeReplied")  {
    } elsif ($State eq "RequestingVersion") {   # The echo was sent back, so we switch
       # Sending the peer a version request...   # to watching readability.
         
       if($Socket->Writable() != 0) {   $Watcher->cb(\&LondReadable);
          $Watcher->cancel();   $Watcher->poll("r");
          KillSocket($Socket);      } elsif ($State eq "RequestingVersion") {
          return;   # Sending the peer a version request...
       }  
    } elsif ($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
       # version string from the peer:   # version string from the peer:
         
       $Watcher->cb(\&LondReadable);  
       $Watcher->poll("r");  
               
    } elsif ($State eq "SetHost") {   $Watcher->cb(\&LondReadable);
       #  Setting the remote domain...   $Watcher->poll("r");
               
       if($Socket->Writable() != 0) {      } elsif ($State eq "SetHost") {
          $Watcher->cancel();   #  Setting the remote domain...
          KillSocket($Socket);  
          return;      } elsif ($State eq "HostSet") {
       }   # Back to readable to get the ok.
    } elsif ($State eq "HostSet") {  
       # Back to readable to get the ok.  
               
       $Watcher->cb(\&LondReadable);   $Watcher->cb(\&LondReadable);
       $Watcher->poll("r");   $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.
       # again, this is essentially a no-op.   # again, this is essentially a no-op.
       # we'll write the next chunk until the  
       # state changes.      } elsif ($State eq "ReceivingKey")      {
    # Now we need to wait for the key
       if($Socket->Writable() != 0) {   # to come back from the peer:
          # Write resulted in an error.  
   
          $Watcher->cancel();  
          KillSocket($Socket);  
          return;  
   
       }   $Watcher->cb(\&LondReadable);
    } elsif ($State eq "ReceivingKey")      {   $Watcher->poll("r");
       # Now we need to wait for the key  
       # to come back from the peer:  
   
       $Watcher->cb(\&LondReadable);  
       $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:
   
       if($Socket->Writable() != 0) {  
   
          if(exists($ActiveTransactions{$Socket})) {      } elsif ($State eq "ReceivingReply")    {
             Debug(3, "Lond connection lost, failing transactions");   # The send has completed.  Wait for the
             FailTransaction($ActiveTransactions{$Socket});   # data to come in for a reply.
          }   Debug(8,"Writable sent request/receiving reply");
       $Watcher->cancel();   $Watcher->cb(\&LondReadable);
          KillSocket($Socket);   $Watcher->poll("r");
          return;  
       
       }  
   
    } elsif ($State eq "ReceivingReply")    {      } else {
       # The send has completed.  Wait for the   #  Control only passes here on an error: 
       # data to come in for a reply.   #  the socket state does not match any
       Debug(8,"Writable sent request/receiving reply");   #  of the known states... so an error
       $Watcher->cb(\&LondReadable);   #  must be logged.
       $Watcher->poll("r");  
   
    } else {  
       #  Control only passes here on an error:   
       #  the socket state does not match any  
       #  of the known states... so an error  
       #  must be logged.  
   
       &Debug(4, "Invalid socket state ".$State."\n");   &Debug(4, "Invalid socket state ".$State."\n");
    }      }
           
 }  }
 =pod  =pod
Line 1172  The text of the request to send. Line 1167  The text of the request to send.
 =cut  =cut
   
 sub StartRequest {  sub StartRequest {
     my $Lond     = shift;  
     my $Request  = shift; # This is a LondTransaction.      my ($Lond, $Request) = @_;
           
     Debug(6, "StartRequest: ".$Request->getRequest());      Debug(6, "StartRequest: ".$Request->getRequest());
   
Line 1229  sub QueueTransaction { Line 1224  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 1272  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 1419  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 1432  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.1.40  
changed lines
  Added in v.1.47

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