AntiGuide: WolPoBoxArduinoServerWeb

#include <EtherCard.h>
#include <IPAddress.h>
// ethernet interface mac address, must be unique on the LAN
static byte mymac[] = { 0x00,0x14,0xA5,0x76,0x19,0x3A  };
static byte lowip= 255;  // left part by Dhcp 255 if no!
#define VERSION "WOWlanHttpServer 20131230-1624" 

static byte broadcast[4] = {255,255,255,255} ; //{255,255,255,255};
int n=0;
int ok=1;
byte Ethernet::buffer[500];      //??????
BufferFiller bfill;                     //???????
void setup () {
  pinMode(13, OUTPUT);     

  Serial.begin(9600);
  Serial.println("andiamo ");
  Serial.println(VERSION);
  Serial.print("Ethernet Controller: ");
  if (ether.begin(sizeof Ethernet::buffer, mymac,10) == 0) {
    ok=0;
    Serial.println( "Access Failed.");
  } else Serial.println("Ok.");
  //  ether.staticSetup(myip);
  if (ok==1) {
     Serial.print("Dhcp: ");
     if (!ether.dhcpSetup()) {
       ok=0;
       Serial.println("failed.");
     } else Serial.println("Ok.");
  } 
  
  if (ok==1){
     if (lowip<255) ether.myip[3]=lowip;
     Serial.println("Clock Server");
     ether.printIp("IP:  ", ether.myip);
     ether.printIp("GW:  ", ether.gwip);  
     ether.printIp("DNS: ", ether.dnsip);  
  }
}

static word homePage() {
  n=n+1; // compte les appels à homePage
  long t = millis() / 1000;
  word h = t / 3600;
  byte m = (t / 60) % 60;
  byte s = t % 60;
  bfill = ether.tcpOffset();    
   //???????
  bfill.emit_p(PSTR(                                 //???????
    "HTTP/1.0 200 OK\r\n"
    "Content-Type: text/html\r\n"
    "Pragma: no-cache\r\n"
    "\r\n"
//    "<meta http-equiv='refresh' content='1'/>"
    "<title>Po server</title>"
    "<h1>$D$D:$D$D:$D$D</h1> n= $D"),
      h/10, h%10, m/10, m%10, s/10, s%10,n);                //???????
  return bfill.position();                                           //???????
}

void loop () {
   if (ok==1){
  //delay(100);
  word len = ether.packetReceive();
  word pos = ether.packetLoop(len);
  if (pos)  {// check if valid tcp data is received
    for (int p=54;p<len;p=p+1){
    Serial.print(char(Ethernet::buffer[p]));
    // search mac address
    
   }
    byte mac[6] ;
    char magic[102];
     byte unc;    
     char alphabet[17]="0123456789ABCDEF";
    //Serial.println("mac:");
    int imac=-1;
       for (int repe=0;repe<6;repe=repe+1) magic[repe]=255;
       for (int p=63;p<63+12;p=p+2){
         imac=imac+1;
         char* ici=  strchr(alphabet,char(Ethernet::buffer[p]));
         int fort=  ici-&alphabet[0];
         ici=  strchr(alphabet,char(Ethernet::buffer[p+1]));
         int faible=  ici-&alphabet[0];
        mac[imac]=fort*16+faible;
         for (int repe=0;repe<16;repe=repe+1){
            magic[6+6*repe+imac]=fort*16+faible;
         }
       }   
    unsigned int po=100;
    ether.sendUdp(magic, sizeof magic, po, broadcast, po);
    ok=0;
    ether.httpServerReply(homePage()); // send web page data
  }
   }
   }