#include <sys/socket.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <string.h>
#include <ctype.h>
#include <netinet/in.h>
#include <sys/wait.h>
#include <signal.h>
#include <poll.h>

#define WAN_IPADDR	127.0.0.1	/* this will be our dummy server for now */
#define WAN_PORT	3490		/* so we can use the old example server  */
#define LAN_IPADDR	notused
#define LAN_PORT	1111		/* change as necessary */

#define WAN		0
#define LAN		1
#define NFD		2		/* number of file descriptors to poll */


char* ParseMessage(char* rawMessage)		/* no specs on the actual translation yet, so just UPPERCASING for now */
{
  char temp[1024] = {0};
  int i;
  for ( i=0; i < strlen(rawMessage); i++ )
  {
    temp[i] = toupper(rawMessage[i]);
  } 
  return temp;
}


int main(int argc, char *argv[])
{
  struct pollfd pfd[NFD];			//NFD-element array of polled file descriptors
  int fd_WAN, fd_LAN;				//file descriptors for reading from WAN side, writing to LAN side
  int err, slen;				//return vals, etc
  struct sockaddr saddr_lan, saddr_wan;

  //char testmsg[] = "this is the end of the world as we know it";
  //printf("%s\n", ParseMessage(testmsg));

while (1) {
  /* Poll on both the WAN side (for new data) and LAN side (for new client connections) */
  err = poll(pfd, NFD, 0);
  if (err < 0)
  {
    perror("poll failed");
    fprintf(stderr, "\r");
  } 
  else if (err > 0)
  {
      if (pfd[0].revents == POLLIN) { /* new connection */
        slen = sizeof(saddr_wan);
        nsd = accept(sd, (struct sockaddr *)&saddr_wan, &slen);
  //?
  }
}
 
  return 0;
}		//END MAIN