AntiGuide: PotrolMyPublicIP

#include <ESP8266WiFi.h>
// wifi

#define SSID  "lelac"
#define WIFIKEY ".........."
#define HOST "smtp.free.fr"

class TcpRxTx{


public:

 bool begin(String h,int p, bool d){
     host=h;
     port=p;
     dbg=d;
  Serial.print("\n[Connecting to ... ");
  Serial.print( host);
  Serial.print(":");
  Serial.println(port);
  
  if (client.connect(host.c_str(), port))
  {
   Serial.println("connected]");
   return true;
    
   }
  
  else
  {
    Serial.println("connection failed!]");
    client.stop();
    return false;
  }
}


void put(String t){
  client.println(t);
}


  void stop(){
        client.stop();
  }

  String rep(){
     if (dbg)  Serial.println("[Response:]");
      
while(true){     
      if (client.available())
      {
  String l=client.readStringUntil('\n');
  if(dbg)  Serial.printf("ligne lon: %d",l.length());
        if (dbg)   Serial.println(l);
     return l;
   
     } // else Serial.println("no client av");
     } //while
  } 
;

private :
  WiFiClient client;

  String host;
  bool dbg=true;
  int port;

};  //  Tcprxtx class



String myPublicIp(String host, String url, int port,String needle, int timeout, bool debug){
 long start=millis();
   TcpRxTx po ;

   if (!  po.begin(host,port,debug)){
Serial.println("ERROR");
return "";
    ;
   }
  po.put("GET "+url+"  HTTP/1.0\r\nHOST: "+host+"\r\n");
  //po.put("GET "+url+"  HTTP/1.0\r\n\r\n");
  String repget=po.rep();
 // Serial.printf("lon rep get %d\n",repget.length());
 // Serial.println(repget.c_str());
  while ((millis()-start)<1000L*timeout){
  String repget2=po.rep();
  int xx=repget2.indexOf(needle);
 if (debug) Serial.printf(" lon repget2 %d ip? at %d  :  ",repget2.length(),xx);
   if (debug) Serial.println(repget2.c_str());
  if (xx>=0 ) {
    Serial.println("IP TROUVE");
    int deb=xx+needle.length();
    int fin=deb;
    String car=".0123456789";
    while ( 
        (fin<=repget2.length() ) && 
        (car.indexOf(repget2.substring(fin,fin+1)) >=0)
        ) fin=fin+1;
    Serial.println(fin);
    return repget2.substring(deb,fin);
  }
  }
 // Serial.println("-----------------------");
   po.stop();   
 // Serial.println("-----------------------");
  return "";  
}
void setup()
{
     Serial.begin(74880);
 
  Serial.printf("\nConnecting to wifi %s \n", SSID);
  WiFi.begin(SSID, WIFIKEY);
  while (WiFi.status() != WL_CONNECTED)
  {
    delay(500);
    Serial.print(".");
  }
  Serial.println(" connected");
 String myIp;
 myIp=myPublicIp("antiguide.free.fr","/MyPublicIp.php",80,"IP:",10,false);
Serial.println (myIp);
 myIp=myPublicIp("www.monip.org","/",80,"IP : ",10,false);
Serial.println (myIp);
  
}


  
void loop(){
   // place here fast activity
  
 }