engine/platformX86UNIX/x86UNIXNet.cc

//-----------------------------------------------------------------------------
// V12 Engine
// 
// Copyright (c) 2001 GarageGames.Com
// Portions Copyright (c) 2001 by Sierra Online, Inc.
//-----------------------------------------------------------------------------

#include "platformX86UNIX/platformX86UNIX.h"
#include "platform/platform.h"
#include "platform/event.h"

//#include <winsock.h>
//#include <wsipx.h>
#include <sys/socket.h>
#include <unistd.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
/* for PROTO_IPX */
#include <net/if_ppp.h>
#include <netipx/ipx.h>
#include <stdlib.h>

#include "console/console.h"
#include "platform/gameInterface.h"
#include "core/fileStream.h"

struct NameLookup
{
   struct hostent *hostEnt;
   int socket;
   U16 port;
   NameLookup *nextLookup;
};

static NameLookup *lookupList = NULL;

// process receives data and posts it to the game.

static Net::Error getLastError();
static S32 defaultPort = 28000;
static S32 netPort = 0;
static int ipxSocket = NULL;
static int udpSocket = NULL;

enum {
   MaxConnections = 1024,
};

/*
HWND winsockWindow = NULL;

static LRESULT PASCAL WinsockProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
   U32 error;
   U32 bufLen;
   U32 event;
   SOCKET socket;
   Net::Error err;
   S32 bytesRead;
   
   static ConnectedNotifyEvent notifyEvent;
   static ConnectedReceiveEvent receiveEvent;
   static ConnectedAcceptEvent acceptEvent;
   
   switch(message)
   {
      case WM_USER:
         error = WSAGETSELECTERROR(lParam);
         event = WSAGETSELECTEVENT(lParam);
         socket = wParam;
         switch(event)
         {
            case FD_READ:
               err = Net::recv(socket, receiveEvent.data, MaxPacketDataSize, &bytesRead);
               if(err == Net::NoError && bytesRead != 0)
               {
                  receiveEvent.tag = socket;
                  receiveEvent.size = ConnectedReceiveEventHeaderSize + bytesRead;
                  Game->postEvent(receiveEvent);
               }
               break;
            case FD_CONNECT:
               notifyEvent.tag = socket;
               if(error)
                  notifyEvent.state = ConnectedNotifyEvent::ConnectFailed;
               else
                  notifyEvent.state = ConnectedNotifyEvent::Connected;
               Game->postEvent(notifyEvent);
               break;
            case FD_CLOSE:
               // see first if there is anything to read:
               for(;;)
               {
                  err = Net::recv(socket, receiveEvent.data, MaxPacketDataSize, &bytesRead);
                  if(err != Net::NoError || bytesRead == 0)
                     break;

                  receiveEvent.tag = socket;
                  receiveEvent.size = ConnectedReceiveEventHeaderSize + bytesRead;
                  Game->postEvent(receiveEvent);
               }
               notifyEvent.tag = socket;
               notifyEvent.state = ConnectedNotifyEvent::Disconnected;
               Game->postEvent(notifyEvent);
               break;
            case FD_ACCEPT:
               acceptEvent.portTag = socket;
               acceptEvent.connectionTag = Net::accept(socket, &acceptEvent.address);
               if(acceptEvent.connectionTag != InvalidSocket)
               {
                  Net::setBlocking(acceptEvent.connectionTag, false);
                  WSAAsyncSelect(acceptEvent.connectionTag, winsockWindow, WM_USER, FD_READ | FD_CONNECT | FD_CLOSE);
                  Game->postEvent(acceptEvent);
               }
               break;
         }
         break;      
      case WM_USER + 1:
         error = WSAGETASYNCERROR(lParam);
         bufLen = WSAGETASYNCBUFLEN(lParam);
         HANDLE handle;
         handle = HANDLE(wParam);
         NameLookup **walk;
         for(walk = &lookupList; *walk; walk = &((*walk)->nextLookup))
         {
            if((*walk)->lookupHandle == handle)
            {
               NameLookup *temp = *walk;
               struct hostent *hp = (struct hostent *) temp->hostEntStruct;
               
               SOCKADDR_IN ipAddr;
   		      memcpy(&ipAddr.sin_addr.s_addr, hp->h_addr, sizeof(IN_ADDR));
               ipAddr.sin_port = temp->port;
               ipAddr.sin_family = AF_INET;

               notifyEvent.tag = temp->socket;

               bool wserr = ::connect(temp->socket, (PSOCKADDR) &ipAddr, sizeof(ipAddr)); // always errors out
               if(wserr && WSAGetLastError() != WSAEWOULDBLOCK)
               {
                  notifyEvent.state = ConnectedNotifyEvent::DNSFailed;
                  ::closesocket(temp->socket);
               }
               else
               {
                  WSAAsyncSelect(temp->socket, winsockWindow, WM_USER, FD_READ | FD_CONNECT | FD_CLOSE);
                  notifyEvent.state = ConnectedNotifyEvent::DNSResolved;
               }
               Game->postEvent(notifyEvent);
               
               *walk = temp->nextLookup;
               delete temp;
               break;
            }
         }
         break;   
      default:
         return DefWindowProc( hWnd, message, wParam, lParam );
   }
   return 0;
}
*/

bool Net::init()
{
   /* nothing to do */
}

void Net::shutdown()
{
   while (lookupList)
   {
      NameLookup *temp = lookupList;
      lookupList = temp->nextLookup;
      delete temp;
   }
   closePort();
}

static void netToIPSocketAddress(const NetAddress *address, struct sockaddr_in *sockAddr)
{
   dMemset(sockAddr, 0, sizeof(struct sockaddr_in));
   sockAddr->sin_family = AF_INET;
   sockAddr->sin_port = htons(address->port);
   char tAddr[20];
   sprintf(tAddr, "%d.%d.%d.%d\n", address->netNum[0], address->netNum[1], address->netNum[2], address->netNum[3]);
//fprintf(stdout,"netToIPSocketAddress(): %s\n",tAddr);fflush(NULL);
   sockAddr->sin_addr.s_addr = inet_addr(tAddr);
//   sockAddr->sin_addr.s_addr = address->netNum[0];  // hopefully this will work.
}

static void IPSocketToNetAddress(const struct sockaddr_in *sockAddr, NetAddress *address)
{
   address->type = NetAddress::IPAddress;
   address->port = htons(sockAddr->sin_port);
   char *tAddr;
   tAddr = inet_ntoa(sockAddr->sin_addr);
//fprintf(stdout,"IPSocketToNetAddress(): %s\n",tAddr);fflush(NULL);
   U8 nets[4];
   nets[0] = atoi(strtok(tAddr, "."));
   nets[1] = atoi(strtok(NULL, "."));
   nets[2] = atoi(strtok(NULL, "."));
   nets[3] = atoi(strtok(NULL, "."));
//fprintf(stdout,"0 = %d, 1 = %d, 2 = %d, 3 = %d\n", nets[0], nets[1], nets[2], nets[3]);
   address->netNum[0] = nets[0];
   address->netNum[1] = nets[1];
   address->netNum[2] = nets[2];
   address->netNum[3] = nets[3];
}

static void netToIPXSocketAddress(const NetAddress *address, sockaddr_ipx *sockAddr)
{
   dMemset(sockAddr, 0, sizeof(sockaddr_ipx));
   sockAddr->sipx_family = AF_INET;
   sockAddr->sipx_port = htons(address->port);
   sockAddr->sipx_network = address->netNum[0];
   sockAddr->sipx_node[0] = address->nodeNum[0];
   sockAddr->sipx_node[1] = address->nodeNum[1];
   sockAddr->sipx_node[2] = address->nodeNum[2];
   sockAddr->sipx_node[3] = address->nodeNum[3];
   sockAddr->sipx_node[4] = address->nodeNum[4];
   sockAddr->sipx_node[5] = address->nodeNum[5];
}

static void IPXSocketToNetAddress(const sockaddr_ipx *sockAddr, NetAddress *address)
{
   address->type = NetAddress::IPXAddress;
   address->port = htons(sockAddr->sipx_port);
   address->netNum[0]  = sockAddr->sipx_network;
   address->nodeNum[0] = sockAddr->sipx_node[0];
   address->nodeNum[1] = sockAddr->sipx_node[1];
   address->nodeNum[2] = sockAddr->sipx_node[2];
   address->nodeNum[3] = sockAddr->sipx_node[3];
   address->nodeNum[4] = sockAddr->sipx_node[4];
   address->nodeNum[5] = sockAddr->sipx_node[5];
}

NetSocket Net::openListenPort(U16 port)
{
   if(Game->isJournalReading())
   {
      U32 ret;
      Game->journalRead(&ret);
      return NetSocket(ret);
   }
   NetSocket sock = openSocket();
   fd_set sockFDSet;
   FD_ZERO(&sockFDSet);
   FD_SET(sock, &sockFDSet);
   bind(sock, port);
   listen(sock, 4);
   setBlocking(sock, false);
   if (select(sock, &sockFDSet, &sockFDSet, &sockFDSet, NULL) == -1)
      Con::printf("Error: error in select()\n");
   if (Game->isJournalWriting())
      Game->journalWrite(U32(sock));
   return sock;
}

NetSocket Net::openConnectTo(const char *addressString)
{
   if(!dStrnicmp(addressString, "ipx:", 4))
      return InvalidSocket;
   if(!dStrnicmp(addressString, "ip:", 3))
      addressString += 3;  // eat off the ip:
   char remoteAddr[256];
   dStrcpy(remoteAddr, addressString);
      
   char *portString = dStrchr(remoteAddr, ':');

   U16 port;
   if(portString)
   {
      *portString++ = 0;
      port = htons(dAtoi(portString));
   }
   else
      port = htons(defaultPort);

   if(!dStricmp(remoteAddr, "broadcast"))
      return InvalidSocket;

   if(Game->isJournalReading())
   {
      U32 ret;
      Game->journalRead(&ret);
      return NetSocket(ret);
   }
   NetSocket sock = openSocket();
   setBlocking(sock, false);

   sockaddr_in ipAddr;
   
   ipAddr.sin_addr.s_addr = inet_addr(remoteAddr);

   if(ipAddr.sin_addr.s_addr != INADDR_NONE)
   {
      ipAddr.sin_port = port;
      ipAddr.sin_family = AF_INET;
      if(::connect(sock, (struct sockaddr *)&ipAddr, sizeof(ipAddr)) == -1)
      {
         Con::printf("Couldn't connect()");
         ::close(sock);
         sock = InvalidSocket;
      }
      if(sock != InvalidSocket) {
         fd_set sockFDSet;
         FD_ZERO(&sockFDSet);
         FD_SET(sock, &sockFDSet);
         select(sock, &sockFDSet, &sockFDSet, &sockFDSet, NULL);
      }
   }
   else
   {
      NameLookup *lookup = new NameLookup;
      lookup->socket = sock;
      lookup->port = port;
      lookup->hostEnt = gethostbyname(remoteAddr);

      if(lookup->hostEnt == NULL)
      {
         delete lookup;
         ::close(sock);
         sock = InvalidSocket;
      }
      else
      {
         lookup->nextLookup = lookupList;
         lookupList = lookup;
      }
   }
   if(Game->isJournalWriting())
      Game->journalWrite(U32(sock));
   return sock;
}

void Net::closeConnectTo(NetSocket sock)
{
   if(Game->isJournalReading())
      return;
      
   for(NameLookup **walk = &lookupList; *walk; walk = &((*walk)->nextLookup) )
   {
      NameLookup *lookup = *walk;
      if(lookup->socket == sock)
      {
         close(lookup->socket);
         *walk = lookup->nextLookup;
         delete lookup;
         return;
      }
   }
   close(sock);
}

Net::Error Net::sendtoSocket(NetSocket socket, const U8 *buffer, int bufferSize)
{
   if(Game->isJournalReading())
   {
      U32 e;
      Game->journalRead(&e);
      
      return (Net::Error) e;
   }
   Net::Error e = send(socket, buffer, bufferSize);
   if(Game->isJournalWriting())
      Game->journalWrite(U32(e));
   return e;
}

bool Net::openPort(S32 port)
{
   if(udpSocket != InvalidSocket)
      close(udpSocket);
   if(ipxSocket != InvalidSocket)
      close(ipxSocket);
      
   udpSocket = socket(AF_INET, SOCK_DGRAM, 0);
   ipxSocket = socket(AF_IPX, SOCK_DGRAM, 0);

   if(udpSocket != InvalidSocket)
   {
      Net::Error error;
      error = bind(udpSocket, port);
      if(error == NoError)
         error = setBufferSize(udpSocket, 32768);
      if(error == NoError)
         error = setBroadcast(udpSocket, true);
      if(error == NoError)
         error = setBlocking(udpSocket, false);
      if(error == NoError)
         Con::printf("UDP initialized on port %d", port);
      else
      {
         close(udpSocket);
         udpSocket = InvalidSocket;
         Con::printf("Unable to initialize UDP - error %d", error);
      }
   }
   if(ipxSocket != InvalidSocket)
   {
      Net::Error error = NoError;
      sockaddr_ipx ipxAddress;   
   	memset((char *)&ipxAddress, 0, sizeof(ipxAddress));
	   ipxAddress.sipx_family = AF_IPX;
	   ipxAddress.sipx_port = htons(port);
      S32 err = ::bind(ipxSocket, (struct sockaddr *)&ipxAddress, sizeof(ipxAddress));
      if(err)
         error = getLastError();
      if(error == NoError)
         error = setBufferSize(ipxSocket, 32768);
      if(error == NoError)
         error = setBroadcast(ipxSocket, true);
      if(error == NoError)
         error = setBlocking(ipxSocket, false);
      if(error == NoError)
         Con::printf("IPX initialized on port %d", port);
      else
      {
         close(ipxSocket);
         ipxSocket = InvalidSocket;
         Con::printf("Unable to initialize IPX - error %d", error);
      }
   }
   netPort = port;
   return ipxSocket != InvalidSocket || udpSocket != InvalidSocket;
}

void Net::closePort()
{
   if(ipxSocket != InvalidSocket)
      close(ipxSocket);
   if(udpSocket != InvalidSocket)
      close(udpSocket);
}

Net::Error Net::sendto(const NetAddress *address, const U8 *buffer, S32 bufferSize)
{
   if(Game->isJournalReading())
      return NoError;

   if(address->type == NetAddress::IPXAddress)
   {
      sockaddr_ipx ipxAddr;
      netToIPXSocketAddress(address, &ipxAddr);
      if(::sendto(ipxSocket, (const char*)buffer, bufferSize, 0,
            (sockaddr *) &ipxAddr, sizeof(sockaddr_ipx)) == -1)
         return getLastError();
      else
         return NoError;
   }
   else
   {
      sockaddr_in ipAddr;
      netToIPSocketAddress(address, &ipAddr);
      if(::sendto(udpSocket, (const char*)buffer, bufferSize, 0,
            (sockaddr *) &ipAddr, sizeof(sockaddr_in)) == -1)
         return getLastError();
      else
         return NoError;
   }
}

void Net::process()
{
   sockaddr sa;

   PacketReceiveEvent receiveEvent;
   for(;;)
   {
      S32 addrLen = sizeof(sa);
      S32 bytesRead = -1;
      if(udpSocket != InvalidSocket)
         bytesRead = recvfrom(udpSocket, (char *) receiveEvent.data, MaxPacketDataSize, 0, &sa, &addrLen);
      if(bytesRead == -1 && ipxSocket != InvalidSocket)
      {
         addrLen = sizeof(sa);
         bytesRead = recvfrom(ipxSocket, (char *) receiveEvent.data, MaxPacketDataSize, 0, &sa, &addrLen);
      }
      
      if(bytesRead == -1)
         break;
      
      if(sa.sa_family == AF_INET)
         IPSocketToNetAddress((sockaddr_in *) &sa, &receiveEvent.sourceAddress);
      else if(sa.sa_family == AF_IPX)
         IPXSocketToNetAddress((sockaddr_ipx *) &sa, &receiveEvent.sourceAddress);
      else
         continue;
         
      NetAddress &na = receiveEvent.sourceAddress;
      if(na.type == NetAddress::IPAddress &&
            na.netNum[0] == 127 &&
            na.netNum[1] == 0 &&
            na.netNum[2] == 0 &&
            na.netNum[3] == 1 &&
            na.port == netPort)
         continue;
      if(bytesRead <= 0)
         continue;
      receiveEvent.size = PacketReceiveEventHeaderSize + bytesRead;
      Game->postEvent(receiveEvent);
   }
}      
                  
NetSocket Net::openSocket()
{
   int retSocket;
   retSocket = socket(AF_INET, SOCK_STREAM, 0);

   if(retSocket == InvalidSocket)
      return InvalidSocket;
   else
      return retSocket;
}

Net::Error Net::closeSocket(NetSocket socket)
{
   if(socket != InvalidSocket)
   {
      if(!close(socket))
         return NoError;
      else
         return getLastError();
   }
   else
      return NotASocket;
}

Net::Error Net::connect(NetSocket socket, const NetAddress *address)
{
   if(address->type != NetAddress::IPAddress)
      return WrongProtocolType;
   sockaddr_in socketAddress;
   netToIPSocketAddress(address, &socketAddress);
   if(!::connect(socket, (sockaddr *) &socketAddress, sizeof(socketAddress)))
      return NoError;
   return getLastError();
}

Net::Error Net::listen(NetSocket socket, S32 backlog)
{
   if(!::listen(socket, backlog))
      return NoError;
   return getLastError();
}

NetSocket Net::accept(NetSocket acceptSocket, NetAddress *remoteAddress)
{
   sockaddr_in socketAddress;
   S32 addrLen = sizeof(socketAddress);
   
   int retVal = ::accept(acceptSocket, (sockaddr *) &socketAddress, &addrLen);
   if(retVal != InvalidSocket)
   {
      IPSocketToNetAddress(&socketAddress, remoteAddress);
      return retVal;
   }
   return InvalidSocket;
}

Net::Error Net::bind(NetSocket socket, U16 port)
{
   S32 error;
   
   sockaddr_in socketAddress;
   dMemset((char *)&socketAddress, 0, sizeof(socketAddress));
   socketAddress.sin_family = AF_INET;
   // It's entirely possible that there are two NIC cards.
   // We let the user specify which one the server runs on.

   // thanks to [TPG]P1aGu3 for the name
   const char* serverIP = Con::getVariable( "Host::BindAddress" );
   // serverIP is guaranteed to be non-0.
   AssertFatal( serverIP, "serverIP is NULL!" );

   if( serverIP[0] != '\0' ) {
      // we're not empty
      socketAddress.sin_addr.s_addr = inet_addr( serverIP );

      if( socketAddress.sin_addr.s_addr != INADDR_NONE ) {
	 Con::printf( "Binding server port to %s", serverIP );
      } else {
	 Con::warnf( ConsoleLogEntry::General,
		     "inet_addr() failed for %s while binding!",
		     serverIP );
	 socketAddress.sin_addr.s_addr = INADDR_ANY;
      }

   } else {
      Con::printf( "Binding server port to default IP" );
      socketAddress.sin_addr.s_addr = INADDR_ANY;
   }

   socketAddress.sin_port = htons(port);
   error = ::bind(socket, (sockaddr *) &socketAddress, sizeof(socketAddress));

   if(!error)
      return NoError;
   return getLastError();
}

Net::Error Net::setBufferSize(NetSocket socket, S32 bufferSize)
{
   S32 error;
   error = setsockopt(socket, SOL_SOCKET, SO_RCVBUF, (char *) &bufferSize, sizeof(bufferSize));
   if(!error)
      error = setsockopt(socket, SOL_SOCKET, SO_SNDBUF, (char *) &bufferSize, sizeof(bufferSize));
   if(!error)
      return NoError;
   return getLastError();
}

Net::Error Net::setBroadcast(NetSocket socket, bool broadcast)
{
   S32 bc = broadcast;
   S32 error = setsockopt(socket, SOL_SOCKET, SO_BROADCAST, (char*)&bc, sizeof(bc));
   if(!error)
      return NoError;
   return getLastError();   
}

Net::Error Net::setBlocking(NetSocket socket, bool blockingIO)
{
   int notblock = !blockingIO;
   S32 error = ioctl(socket, FIONBIO, &notblock);
   if(!error)
      return NoError;
   return getLastError();   
}

Net::Error Net::send(NetSocket socket, const U8 *buffer, S32 bufferSize)
{
   S32 error = ::send(socket, (const char*)buffer, bufferSize, 0);
   if(!error)
      return NoError;
   return getLastError();
}

Net::Error Net::recv(NetSocket socket, U8 *buffer, S32 bufferSize, S32 *bytesRead)
{
   *bytesRead = ::recv(socket, (char*)buffer, bufferSize, 0);
   if(*bytesRead == -1)
      return getLastError();
   return NoError;
}

bool Net::compareAddresses(const NetAddress *a1, const NetAddress *a2)
{
   if((a1->type != a2->type)  || 
         (*((U32 *)a1->netNum) != *((U32 *)a2->netNum)) ||
         (a1->port != a2->port))
      return false;

   if(a1->type == NetAddress::IPAddress)
      return true;
   for(S32 i = 0; i < 6; i++)
      if(a1->nodeNum[i] != a2->nodeNum[i])
         return false;
   return true;
}

bool Net::stringToAddress(const char *addressString, NetAddress *address)
{
   if(dStrnicmp(addressString, "ipx:", 4))
   {
      // assume IP if it doesn't have ipx: at the front.
      
      if(!dStrnicmp(addressString, "ip:", 3))
         addressString += 3;  // eat off the ip:
      
      sockaddr_in ipAddr;
      char remoteAddr[256];
      if(strlen(addressString) > 255)
         return false;
         
      dStrcpy(remoteAddr, addressString);
         
      char *portString = dStrchr(remoteAddr, ':');
      if(portString)
         *portString++ = 0;
      
      struct hostent *hp;
      
      if(!dStricmp(remoteAddr, "broadcast"))
         ipAddr.sin_addr.s_addr = htonl(INADDR_BROADCAST);
      else
      {
         ipAddr.sin_addr.s_addr = inet_addr(remoteAddr);
         if(ipAddr.sin_addr.s_addr == INADDR_NONE)
         {
            if((hp = gethostbyname(remoteAddr)) == NULL)
               return false;
   	      else
   		      memcpy(&ipAddr.sin_addr.s_addr, hp->h_addr, sizeof(in_addr));
         }
      }
      if(portString)
         ipAddr.sin_port = htons(dAtoi(portString));
      else
         ipAddr.sin_port = htons(defaultPort);
      ipAddr.sin_family = AF_INET;
      IPSocketToNetAddress(&ipAddr, address);
      return true;
   }
   else
   {
      S32 i;
      S32 port;

      address->type = NetAddress::IPXAddress;      
      for(i = 0; i < 6; i++)
         address->nodeNum[i] = 0xFF;
         
      // it's an IPX string
      addressString += 4;
      if(!dStricmp(addressString, "broadcast"))
      {
         address->port = defaultPort;
         return true;
      }
      else if(sscanf(addressString, "broadcast:%d", &port) == 1)
      {
         address->port = port;
         return true;
      }
      else
      {
         S32 nodeNum[6];
         S32 netNum[4];
         S32 count = dSscanf(addressString, "%2x%2x%2x%2x:%2x%2x%2x%2x%2x%2x:%d",
            &netNum[0], &netNum[1], &netNum[2], &netNum[3],
            &nodeNum[0], &nodeNum[1], &nodeNum[2], &nodeNum[3], &nodeNum[4], &nodeNum[5], 
            &port);
      
         if(count == 10)
         {
            port = defaultPort;
            count++;
         }
         if(count != 11)
            return false;

         for(i = 0; i < 6; i++)
            address->nodeNum[i] = nodeNum[i];
         for(i = 0; i < 4; i++)
            address->netNum[i] = netNum[i];
         address->port = port;
         return true;
      }
   }
}

void Net::addressToString(const NetAddress *address, char addressString[256])
{
   if(address->type == NetAddress::IPAddress)
   {
      sockaddr_in ipAddr;
      netToIPSocketAddress(address, &ipAddr);
      
      if(ipAddr.sin_addr.s_addr == htonl(INADDR_BROADCAST))
         dSprintf(addressString, 256, "IP:Broadcast:%d", ntohs(ipAddr.sin_port));
      else
         dSprintf(addressString, 256, "IP:%s:%d", inet_ntoa(ipAddr.sin_addr),
            ntohs(ipAddr.sin_port));
//         dSprintf(addressString, 256, "IP:%d:%d", ipAddr.sin_addr.s_addr,
//            ntohs(ipAddr.sin_port));
   }
   else
   {
      dSprintf(addressString, 256, "IPX:%.2X%.2X%.2X%.2X:%.2X%.2X%.2X%.2X%.2X%.2X:%d",
         address->netNum[0], address->netNum[1], address->netNum[2], address->netNum[3], 
         address->nodeNum[0], address->nodeNum[1], address->nodeNum[2], address->nodeNum[3], address->nodeNum[4], address->nodeNum[5], 
         address->port);
   }
}

Net::Error getLastError()
{
   return Net::UnknownError;
}