C++ enet_list_begin函数代码示例

void
enet_peer_dispatch_incoming_unreliable_commands (ENetPeer * peer, ENetChannel * channel)
{
    ENetListIterator currentCommand;

    for (currentCommand = enet_list_begin (& channel -> incomingUnreliableCommands);
         currentCommand != enet_list_end (& channel -> incomingUnreliableCommands);
         currentCommand = enet_list_next (currentCommand))
    {
       ENetIncomingCommand * incomingCommand = (ENetIncomingCommand *) currentCommand;

       if ((incomingCommand -> command.header.command & ENET_PROTOCOL_COMMAND_MASK) == ENET_PROTOCOL_COMMAND_SEND_UNRELIABLE)
       {
          if (incomingCommand -> reliableSequenceNumber != channel -> incomingReliableSequenceNumber)
            break;

          channel -> incomingUnreliableSequenceNumber = incomingCommand -> unreliableSequenceNumber;
       }
    }

    if (currentCommand == enet_list_begin (& channel -> incomingUnreliableCommands))
      return;

    enet_list_move (enet_list_end (& peer -> dispatchedCommands), enet_list_begin (& channel -> incomingUnreliableCommands), enet_list_previous (currentCommand));

    if (! peer -> needsDispatch)
    {
       enet_list_insert (enet_list_end (& peer -> host -> dispatchQueue), & peer -> dispatchList);

       peer -> needsDispatch = 1;
    }
}

void
enet_peer_dispatch_incoming_unreliable_commands (ENetPeer * peer, ENetChannel * channel)
{
    ENetListIterator droppedCommand, startCommand, currentCommand;

    for (droppedCommand = startCommand = currentCommand = enet_list_begin (& channel -> incomingUnreliableCommands);
         currentCommand != enet_list_end (& channel -> incomingUnreliableCommands);
         currentCommand = enet_list_next (currentCommand))
    {
       ENetIncomingCommand * incomingCommand = (ENetIncomingCommand *) currentCommand;

       if ((incomingCommand -> command.header.command & ENET_PROTOCOL_COMMAND_MASK) == ENET_PROTOCOL_COMMAND_SEND_UNSEQUENCED)
         continue;
       else
       if (incomingCommand -> reliableSequenceNumber != channel -> incomingReliableSequenceNumber)
         break;
       else
       if (incomingCommand -> fragmentsRemaining <= 0)
         channel -> incomingUnreliableSequenceNumber = incomingCommand -> unreliableSequenceNumber;
       else
       if (startCommand == currentCommand)
         startCommand = enet_list_next (currentCommand);
       else
       {
            enet_list_move (enet_list_end (& peer -> dispatchedCommands), startCommand, enet_list_previous (currentCommand));

            if (! peer -> needsDispatch)
            {
                enet_list_insert (enet_list_end (& peer -> host -> dispatchQueue), & peer -> dispatchList);

                peer -> needsDispatch = 1;
            }

            droppedCommand = startCommand = enet_list_next (currentCommand); 
       }
    }

    if (startCommand != currentCommand)
    {
        enet_list_move (enet_list_end (& peer -> dispatchedCommands), startCommand, enet_list_previous (currentCommand));

        if (! peer -> needsDispatch)
        {
            enet_list_insert (enet_list_end (& peer -> host -> dispatchQueue), & peer -> dispatchList);

            peer -> needsDispatch = 1;
        }

        droppedCommand = startCommand = enet_list_next (currentCommand);
    }

    enet_peer_remove_incoming_commands (& channel -> incomingUnreliableCommands, enet_list_begin (& channel -> incomingUnreliableCommands), droppedCommand);
}

static int
enet_protocol_check_timeouts (ENetHost * host, ENetPeer * peer, ENetEvent * event)
{
    ENetOutgoingCommand * outgoingCommand;
    ENetListIterator currentCommand;

    currentCommand = enet_list_begin (& peer -> sentReliableCommands);

    while (currentCommand != enet_list_end (& peer -> sentReliableCommands))
    {
       outgoingCommand = (ENetOutgoingCommand *) currentCommand;

       currentCommand = enet_list_next (currentCommand);

       if (ENET_TIME_DIFFERENCE (timeCurrent, outgoingCommand -> sentTime) < outgoingCommand -> roundTripTimeout)
         continue;

       if (outgoingCommand -> roundTripTimeout >= outgoingCommand -> roundTripTimeoutLimit)
       {
          event -> type = ENET_EVENT_TYPE_DISCONNECT;
          event -> peer = peer;

          enet_peer_reset (peer);

          return 1;
       }

       if (outgoingCommand -> packet != NULL)
         peer -> reliableDataInTransit -= outgoingCommand -> fragmentLength;

       ++ peer -> packetsLost;

       outgoingCommand -> roundTripTimeout *= 2;

       enet_list_insert (enet_list_begin (& peer -> outgoingReliableCommands),
                         enet_list_remove (& outgoingCommand -> outgoingCommandList));

       if (currentCommand == enet_list_begin (& peer -> sentReliableCommands) &&
           enet_list_empty (& peer -> sentReliableCommands) == 0)
       {
          outgoingCommand = (ENetOutgoingCommand *) currentCommand;

          peer -> nextTimeout = outgoingCommand -> sentTime + outgoingCommand -> roundTripTimeout;
       }
    }

    return 0;
}

/** Attempts to dequeue any incoming queued packet.
    @param peer peer to dequeue packets from
    @param channelID holds the channel ID of the channel the packet was received on success
    @returns a pointer to the packet, or NULL if there are no available incoming queued packets
*/
ENetPacket *
enet_peer_receive (ENetPeer * peer, enet_uint8 * channelID)
{
   ENetIncomingCommand * incomingCommand;
   ENetPacket * packet;
   
   if (enet_list_empty (& peer -> dispatchedCommands))
     return NULL;

   incomingCommand = (ENetIncomingCommand *) enet_list_remove (enet_list_begin (& peer -> dispatchedCommands));

   if (channelID != NULL)
     * channelID = incomingCommand -> command.header.channelID;

   packet = incomingCommand -> packet;

   -- packet -> referenceCount;

   if (incomingCommand -> fragments != NULL)
     enet_free (incomingCommand -> fragments);

   enet_free (incomingCommand);

   return packet;
}

void
enet_peer_reset_queues (ENetPeer * peer)
{
    ENetChannel * channel;

    while (enet_list_empty (& peer -> acknowledgements) == 0)
      enet_free (enet_list_remove (enet_list_begin (& peer -> acknowledgements)));

    enet_peer_reset_outgoing_commands (& peer -> sentReliableCommands);
    enet_peer_reset_outgoing_commands (& peer -> sentUnreliableCommands);
    enet_peer_reset_outgoing_commands (& peer -> outgoingReliableCommands);
    enet_peer_reset_outgoing_commands (& peer -> outgoingUnreliableCommands);

    if (peer -> channels != NULL && peer -> channelCount > 0)
    {
        for (channel = peer -> channels;
             channel < & peer -> channels [peer -> channelCount];
             ++ channel)
        {
            enet_peer_reset_incoming_commands (& channel -> incomingReliableCommands);
            enet_peer_reset_incoming_commands (& channel -> incomingUnreliableCommands);
        }

        enet_free (peer -> channels);
    }

    peer -> channels = NULL;
    peer -> channelCount = 0;
}

void
enet_peer_dispatch_incoming_reliable_commands (ENetPeer * peer, ENetChannel * channel)
{
    enet_uint16 oldReliableSequenceNumber = channel -> incomingReliableSequenceNumber;
    ENetListIterator currentCommand;

    for (currentCommand = enet_list_begin (& channel -> incomingReliableCommands);
         currentCommand != enet_list_end (& channel -> incomingReliableCommands);
         currentCommand = enet_list_next (currentCommand))
    {
       ENetIncomingCommand * incomingCommand = (ENetIncomingCommand *) currentCommand;
         
       if (incomingCommand -> fragmentsRemaining > 0 ||
           incomingCommand -> reliableSequenceNumber != (enet_uint16) (channel -> incomingReliableSequenceNumber + 1))
         break;

       channel -> incomingReliableSequenceNumber = incomingCommand -> reliableSequenceNumber;

       if (incomingCommand -> fragmentCount > 0)
         channel -> incomingReliableSequenceNumber += incomingCommand -> fragmentCount - 1;
    } 

    if (currentCommand == enet_list_begin (& channel -> incomingReliableCommands))
      return;

    channel -> incomingUnreliableSequenceNumber = 0;

    enet_list_move (enet_list_end (& peer -> dispatchedCommands), enet_list_begin (& channel -> incomingReliableCommands), enet_list_previous (currentCommand));

    if (! peer -> needsDispatch)
    {
       enet_list_insert (enet_list_end (& peer -> host -> dispatchQueue), & peer -> dispatchList);

       peer -> needsDispatch = 1;
    }

    if (! enet_list_empty (& channel -> incomingUnreliableCommands))
       enet_peer_dispatch_incoming_unreliable_commands (peer, channel);
}

size_t
enet_list_size (ENetList * list)
{
   size_t size = 0;
   ENetListIterator position;

   for (position = enet_list_begin (list);
        position != enet_list_end (list);
        position = enet_list_next (position))
     ++ size;
   
   return size;
}

static void
enet_protocol_send_acknowledgements (ENetHost * host, ENetPeer * peer)
{
    ENetProtocol * command = & host -> commands [host -> commandCount];
    ENetBuffer * buffer = & host -> buffers [host -> bufferCount];
    ENetAcknowledgement * acknowledgement;
    ENetListIterator currentAcknowledgement;

    currentAcknowledgement = enet_list_begin (& peer -> acknowledgements);

    while (currentAcknowledgement != enet_list_end (& peer -> acknowledgements))
    {
       if (command >= & host -> commands [sizeof (host -> commands) / sizeof (ENetProtocol)] ||
           buffer >= & host -> buffers [sizeof (host -> buffers) / sizeof (ENetBuffer)] ||
           peer -> mtu - host -> packetSize < sizeof (ENetProtocolAcknowledge))
         break;

       acknowledgement = (ENetAcknowledgement *) currentAcknowledgement;

       if (peer -> state == ENET_PEER_STATE_ACKNOWLEDGING_DISCONNECT &&
           acknowledgement -> command.header.command != ENET_PROTOCOL_COMMAND_DISCONNECT)
         continue;

       currentAcknowledgement = enet_list_next (currentAcknowledgement);

       buffer -> data = command;
       buffer -> dataLength = sizeof (ENetProtocolAcknowledge);

       host -> packetSize += buffer -> dataLength;

       command -> header.command = ENET_PROTOCOL_COMMAND_ACKNOWLEDGE;
       command -> header.channelID = acknowledgement -> command.header.channelID;
       command -> header.flags = 0;
       command -> header.commandLength = ENET_HOST_TO_NET_32 (sizeof (ENetProtocolAcknowledge));
       command -> acknowledge.receivedReliableSequenceNumber = ENET_HOST_TO_NET_32 (acknowledgement -> command.header.reliableSequenceNumber);
       command -> acknowledge.receivedSentTime = ENET_HOST_TO_NET_32 (acknowledgement -> sentTime);

       if (acknowledgement -> command.header.command == ENET_PROTOCOL_COMMAND_DISCONNECT)
         peer -> state = ENET_PEER_STATE_ZOMBIE;

       enet_list_remove (& acknowledgement -> acknowledgementList);
       enet_free (acknowledgement);

       ++ command;
       ++ buffer;
    }

    host -> commandCount = command - host -> commands;
    host -> bufferCount = buffer - host -> buffers;
}

static ENetProtocolCommand
enet_protocol_remove_sent_reliable_command (ENetPeer * peer, enet_uint32 reliableSequenceNumber, enet_uint8 channelID)
{
    ENetOutgoingCommand * outgoingCommand;
    ENetListIterator currentCommand;
    ENetProtocolCommand commandNumber;

    for (currentCommand = enet_list_begin (& peer -> sentReliableCommands);
         currentCommand != enet_list_end (& peer -> sentReliableCommands);
         currentCommand = enet_list_next (currentCommand))
    {
       outgoingCommand = (ENetOutgoingCommand *) currentCommand;

       if (outgoingCommand -> reliableSequenceNumber == reliableSequenceNumber &&
           outgoingCommand -> command.header.channelID == channelID)
         break;
    }

    if (currentCommand == enet_list_end (& peer -> sentReliableCommands))
      return ENET_PROTOCOL_COMMAND_NONE;

    commandNumber = outgoingCommand -> command.header.command;

    enet_list_remove (& outgoingCommand -> outgoingCommandList);

    if (outgoingCommand -> packet != NULL)
    {
       peer -> reliableDataInTransit -= outgoingCommand -> fragmentLength;

       -- outgoingCommand -> packet -> referenceCount;

       if (outgoingCommand -> packet -> referenceCount == 0)
         enet_packet_destroy (outgoingCommand -> packet);
    }

    enet_free (outgoingCommand);

    if (enet_list_empty (& peer -> sentReliableCommands))
      return commandNumber;

    outgoingCommand = (ENetOutgoingCommand *) enet_list_front (& peer -> sentReliableCommands);

    peer -> nextTimeout = outgoingCommand -> sentTime + outgoingCommand -> roundTripTimeout;

    return commandNumber;
}

static void
enet_peer_reset_outgoing_commands (ENetList * queue)
{
    ENetOutgoingCommand * outgoingCommand;

    while (! enet_list_empty (queue))
    {
       outgoingCommand = (ENetOutgoingCommand *) enet_list_remove (enet_list_begin (queue));

       if (outgoingCommand -> packet != NULL)
       {
          -- outgoingCommand -> packet -> referenceCount;

          if (outgoingCommand -> packet -> referenceCount == 0)
            enet_packet_destroy (outgoingCommand -> packet);
       }

       enet_free (outgoingCommand);
    }
}

static void
enet_peer_reset_incoming_commands (ENetList * queue)
{
    ENetIncomingCommand * incomingCommand;

    while (enet_list_empty (queue) == 0)
    {
       incomingCommand = (ENetIncomingCommand *) enet_list_remove (enet_list_begin (queue));

       if (incomingCommand -> packet != NULL)
       {
          -- incomingCommand -> packet -> referenceCount;

          if (incomingCommand -> packet -> referenceCount == 0)
            enet_packet_destroy (incomingCommand -> packet);
       }

       enet_free (incomingCommand);
    }
}

/** Queues a packet to be sent.
    @param peer destination for the packet
    @param channelID channel on which to send
    @param packet packet to send
    @retval 0 on success
    @retval < 0 on failure
*/
int
enet_peer_send (ENetPeer * peer, enet_uint8 channelID, ENetPacket * packet)
{
   ENetChannel * channel = & peer -> channels [channelID];
   ENetProtocol command;
   size_t fragmentLength;

   if (peer -> state != ENET_PEER_STATE_CONNECTED ||
       channelID >= peer -> channelCount)
     return -1;

   fragmentLength = peer -> mtu - sizeof (ENetProtocolHeader) - sizeof (ENetProtocolSendFragment);

   if (packet -> dataLength > fragmentLength)
   {
      enet_uint16 startSequenceNumber = ENET_HOST_TO_NET_16 (channel -> outgoingReliableSequenceNumber + 1);
      enet_uint32 fragmentCount = ENET_HOST_TO_NET_32 ((packet -> dataLength + fragmentLength - 1) / fragmentLength),
             fragmentNumber,
             fragmentOffset;
      ENetList fragments;
      ENetOutgoingCommand * fragment;

      enet_list_clear (& fragments);

      for (fragmentNumber = 0,
             fragmentOffset = 0;
           fragmentOffset < packet -> dataLength;
           ++ fragmentNumber,
             fragmentOffset += fragmentLength)
      {
         if (packet -> dataLength - fragmentOffset < fragmentLength)
           fragmentLength = packet -> dataLength - fragmentOffset;

         fragment = (ENetOutgoingCommand *) enet_malloc (sizeof (ENetOutgoingCommand));
         if (fragment == NULL)
         {
            while (! enet_list_empty (& fragments))
            {
               fragment = (ENetOutgoingCommand *) enet_list_remove (enet_list_begin (& fragments));
               
               enet_free (fragment);
            }
            
            return -1;
         }
         
         fragment -> fragmentOffset = fragmentOffset;
         fragment -> fragmentLength = fragmentLength;
         fragment -> packet = packet;
         fragment -> command.header.command = ENET_PROTOCOL_COMMAND_SEND_FRAGMENT | ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE;
         fragment -> command.header.channelID = channelID;
         fragment -> command.sendFragment.startSequenceNumber = startSequenceNumber;
         fragment -> command.sendFragment.dataLength = ENET_HOST_TO_NET_16 (fragmentLength);
         fragment -> command.sendFragment.fragmentCount = fragmentCount;
         fragment -> command.sendFragment.fragmentNumber = ENET_HOST_TO_NET_32 (fragmentNumber);
         fragment -> command.sendFragment.totalLength = ENET_HOST_TO_NET_32 (packet -> dataLength);
         fragment -> command.sendFragment.fragmentOffset = ENET_NET_TO_HOST_32 (fragmentOffset);
        
         enet_list_insert (enet_list_end (& fragments), fragment);
      }

      packet -> referenceCount += fragmentNumber;

      while (! enet_list_empty (& fragments))
      {
         fragment = (ENetOutgoingCommand *) enet_list_remove (enet_list_begin (& fragments));
 
         enet_peer_setup_outgoing_command (peer, fragment);
      }

      return 0;
   }

   command.header.channelID = channelID;

   if (packet -> flags & ENET_PACKET_FLAG_RELIABLE)
   {
      command.header.command = ENET_PROTOCOL_COMMAND_SEND_RELIABLE | ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE;
      command.sendReliable.dataLength = ENET_HOST_TO_NET_16 (packet -> dataLength);
   }
   else
   if (packet -> flags & ENET_PACKET_FLAG_UNSEQUENCED)
   {
      command.header.command = ENET_PROTOCOL_COMMAND_SEND_UNSEQUENCED | ENET_PROTOCOL_COMMAND_FLAG_UNSEQUENCED;
      command.sendUnsequenced.unsequencedGroup = ENET_HOST_TO_NET_16 (peer -> outgoingUnsequencedGroup + 1);
      command.sendUnsequenced.dataLength = ENET_HOST_TO_NET_16 (packet -> dataLength);
   }
   else 
   if (channel -> outgoingUnreliableSequenceNumber >= 0xFFFF)
   {
      command.header.command = ENET_PROTOCOL_COMMAND_SEND_RELIABLE | ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE;
      command.sendReliable.dataLength = ENET_HOST_TO_NET_16 (packet -> dataLength);
   }
//.........这里部分代码省略.........

static void
enet_peer_reset_incoming_commands (ENetList * queue)
{
    enet_peer_remove_incoming_commands(queue, enet_list_begin (queue), enet_list_end(queue));
}

void
enet_peer_dispatch_incoming_unreliable_commands (ENetPeer * peer, ENetChannel * channel)
{
    ENetListIterator droppedCommand, startCommand, currentCommand;

    for (droppedCommand = startCommand = currentCommand = enet_list_begin (& channel -> incomingUnreliableCommands);
         currentCommand != enet_list_end (& channel -> incomingUnreliableCommands);
         currentCommand = enet_list_next (currentCommand))
    {
       ENetIncomingCommand * incomingCommand = (ENetIncomingCommand *) currentCommand;

       if ((incomingCommand -> command.header.command & ENET_PROTOCOL_COMMAND_MASK) == ENET_PROTOCOL_COMMAND_SEND_UNSEQUENCED)
         continue;

       if (incomingCommand -> reliableSequenceNumber == channel -> incomingReliableSequenceNumber)
       {
          if (incomingCommand -> fragmentsRemaining <= 0)
          {
             channel -> incomingUnreliableSequenceNumber = incomingCommand -> unreliableSequenceNumber;
             continue;
          }

          if (startCommand != currentCommand)
          {
             enet_list_move (enet_list_end (& peer -> dispatchedCommands), startCommand, enet_list_previous (currentCommand));

             if (! peer -> needsDispatch)
             {
                enet_list_insert (enet_list_end (& peer -> host -> dispatchQueue), & peer -> dispatchList);

                peer -> needsDispatch = 1;
             }

             droppedCommand = currentCommand;
          }
          else
          if (droppedCommand != currentCommand)
            droppedCommand = enet_list_previous (currentCommand);
       }
       else 
       {
          enet_uint16 reliableWindow = incomingCommand -> reliableSequenceNumber / ENET_PEER_RELIABLE_WINDOW_SIZE,
                      currentWindow = channel -> incomingReliableSequenceNumber / ENET_PEER_RELIABLE_WINDOW_SIZE;
          if (incomingCommand -> reliableSequenceNumber < channel -> incomingReliableSequenceNumber)
            reliableWindow += ENET_PEER_RELIABLE_WINDOWS;
          if (reliableWindow >= currentWindow && reliableWindow < currentWindow + ENET_PEER_FREE_RELIABLE_WINDOWS - 1)
            break;

          droppedCommand = enet_list_next (currentCommand);

          if (startCommand != currentCommand)
          {
             enet_list_move (enet_list_end (& peer -> dispatchedCommands), startCommand, enet_list_previous (currentCommand));

             if (! peer -> needsDispatch)
             {
                enet_list_insert (enet_list_end (& peer -> host -> dispatchQueue), & peer -> dispatchList);

                peer -> needsDispatch = 1;
             }
          }
       }
          
       startCommand = enet_list_next (currentCommand);
    }

    if (startCommand != currentCommand)
    {
       enet_list_move (enet_list_end (& peer -> dispatchedCommands), startCommand, enet_list_previous (currentCommand));

       if (! peer -> needsDispatch)
       {
           enet_list_insert (enet_list_end (& peer -> host -> dispatchQueue), & peer -> dispatchList);

           peer -> needsDispatch = 1;
       }

       droppedCommand = currentCommand;
    }

    enet_peer_remove_incoming_commands (& channel -> incomingUnreliableCommands, enet_list_begin (& channel -> incomingUnreliableCommands), droppedCommand);
}

static void
enet_protocol_send_reliable_outgoing_commands (ENetHost * host, ENetPeer * peer)
{
    ENetProtocol * command = & host -> commands [host -> commandCount];
    ENetBuffer * buffer = & host -> buffers [host -> bufferCount];
    ENetOutgoingCommand * outgoingCommand;
    ENetListIterator currentCommand;

    currentCommand = enet_list_begin (& peer -> outgoingReliableCommands);

    while (currentCommand != enet_list_end (& peer -> outgoingReliableCommands))
    {
       outgoingCommand = (ENetOutgoingCommand *) currentCommand;

       if (command >= & host -> commands [sizeof (host -> commands) / sizeof (ENetProtocol)] ||
           buffer + 1 >= & host -> buffers [sizeof (host -> buffers) / sizeof (ENetBuffer)] ||
           peer -> mtu - host -> packetSize < outgoingCommand -> command.header.commandLength)
         break;

       currentCommand = enet_list_next (currentCommand);

       if (outgoingCommand -> packet != NULL)
       {
          if ((enet_uint16) (peer -> mtu - host -> packetSize) <
                (enet_uint16) (outgoingCommand -> command.header.commandLength +
                           outgoingCommand -> fragmentLength) ||
              peer -> reliableDataInTransit + outgoingCommand -> fragmentLength > peer -> windowSize)
            break;
       }

       if (outgoingCommand -> roundTripTimeout == 0)
       {
          outgoingCommand -> roundTripTimeout = peer -> roundTripTime + 4 * peer -> roundTripTimeVariance;
          outgoingCommand -> roundTripTimeoutLimit = ENET_PEER_TIMEOUT_LIMIT * outgoingCommand -> roundTripTimeout;
       }

       if (enet_list_empty (& peer -> sentReliableCommands))
         peer -> nextTimeout = timeCurrent + outgoingCommand -> roundTripTimeout;

       enet_list_insert (enet_list_end (& peer -> sentReliableCommands),
                         enet_list_remove (& outgoingCommand -> outgoingCommandList));

       outgoingCommand -> sentTime = timeCurrent;

       buffer -> data = command;
       buffer -> dataLength = outgoingCommand -> command.header.commandLength;

       host -> packetSize += buffer -> dataLength;

       * command = outgoingCommand -> command;

       if (outgoingCommand -> packet != NULL)
       {
          ++ buffer;

          buffer -> data = outgoingCommand -> packet -> data + outgoingCommand -> fragmentOffset;
          buffer -> dataLength = outgoingCommand -> fragmentLength;

          command -> header.commandLength += outgoingCommand -> fragmentLength;

          host -> packetSize += outgoingCommand -> fragmentLength;

          peer -> reliableDataInTransit += outgoingCommand -> fragmentLength;
       }

       command -> header.commandLength = ENET_HOST_TO_NET_32 (command -> header.commandLength);

       ++ peer -> packetsSent;

       ++ command;
       ++ buffer;
    }

    host -> commandCount = command - host -> commands;
    host -> bufferCount = buffer - host -> buffers;
}