require_once("connect.php");

$dev = $_POST['device'];
$value = $_POST['value'];

if ($value == "255") {
    $value = 255;
}
if ($value == "0") {
    $value = 0;
}

$db = "dbname";
mysqli_select_db($connection, $db);

$write = "UPDATE control SET status = $value WHERE device='$dev'";
$reswrite = mysqli_query($connection, $write);

$query = "SELECT * FROM control";
$result = mysqli_query($connection, $query);

while ($row = mysqli_fetch_assoc($result)) {
	if($row['action'] == 0){
	    echo 'a';
	}
	if($row['action'] == 255){
	    echo 'b';
	}
}

?>

#include <Ethernet.h>

int led1 = 8;

// assign a MAC address for the ethernet controller.
// fill in your address here:
byte mac[] = {
  0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
};
// fill in an available IP address on your network here,
// for manual configuration:
//IPAddress ip(192, 168, 1, 177);

// fill in your Domain Name Server address here:
//IPAddress myDns(1, 1, 1, 1);

// initialize the library instance:
EthernetClient client;

char server[] = "SERVERNAME";
//IPAddress server(64,131,82,241);

unsigned long lastConnectionTime = 0;             // last time you connected to the server, in milliseconds
const unsigned long postingInterval = 1000L; // delay between updates, in milliseconds
// the "L" is needed to use long type numbers

void setup() {
  // give the ethernet module time to boot up:
  delay(1000);
  // start the Ethernet connection using a fixed IP address and DNS server:
  Ethernet.begin(mac);

  pinMode(led1, OUTPUT);
  digitalWrite(led1, HIGH);
  delay(1000);
  digitalWrite(led1, LOW);
  delay(1000);
}

void loop() {
  // if there's incoming data from the net connection.
  // send it out the serial port.  This is for debugging
  // purposes only:
  if (client.available()) {
    char c = client.read();
    if(c == 'a'){
      digitalWrite(led1, LOW);
    }
    if(c == 'b'){
      digitalWrite(led1, HIGH);
    }
  }

  // if ten seconds have passed since your last connection,
  // then connect again and send data:
  if (millis() - lastConnectionTime > postingInterval) {
    httpRequest();
  }

}

// this method makes a HTTP connection to the server:
void httpRequest() {
  // close any connection before send a new request.
  // This will free the socket on the WiFi shield
  client.stop();

  String stat;
  if(digitalRead(led1) == HIGH){
    stat+="";
    stat+="255";
  }
  if(digitalRead(led1) == LOW){
    stat+="";
    stat+="0";
  }
  String data;
  data+="";
  data+="device=led1&value=" + stat;

  // if there's a successful connection:
  if (client.connect(server, 80)) {
    // send the HTTP PUT request:
    client.println("POST /php/hardware.php HTTP/1.1");
    client.println("Host: HERE-WAS-THE-SERVERNAME");
    client.println("Content-Type: application/x-www-form-urlencoded");
    client.println("Connection: close");
    client.print("Content-Length: ");
    client.println(data.length());
    client.println();
    client.print(data);
    client.println();

    // note the time that the connection was made:
    lastConnectionTime = millis();
  } else {
    // if you couldn't make a connection:
  }
}