Processing acting as a client, receiving data from python server

processing client (WIP)

//Python acts as server

//code for processing to run as client
import processing.net.*; 
Client myClient; 
String dataIn; 
boolean firstContact;

//code for Seiffert's spherical spiral
float r; //radius of sphere
float a; //elliptical modulus
ArrayList xVals;
ArrayList yVals;
ArrayList zVals;
int counter;

void setup() { 
  size(200, 200); 
  xVals = new ArrayList();
  yVals = new ArrayList();
  zVals = new ArrayList();
  counter = 0; //counter for counting number of requests to python
  firstContact = false; //boolean to establish first contact with server
  
  // Connect to the local machine at port 5001.
  // This example will not run if you haven't
  // previously started a server on this port.
  myClient = new Client(this, "127.0.0.1", 5001);
} 

void draw() { 
  estContact();
  
  if (firstContact == true) {
    if (myClient.available() > 0 && counter < 100) {
      dataIn = myClient.readString();
      myClient.clear();
      xVals.add(float(dataIn)); //add x-values from python to arraylist
      myClient.write('A'); //request another value from server
      counter++; //increment counter
      myClient.clear(); //clear the buffer
    } else {
      myClient.stop(); //close the connection if counter is above 100
      println("closing");
  }
  }
}

//manually request information by pressing the 'r' key
void keyPressed() {
  if (key == 'r') {
    myClient.write("A");
  }
  if (key =='p') {
    println(xVals);
    println(xVals.size());
  }
}

void estContact() {
  myClient.write('A');
  firstContact = true;
}