processingのweb鯖

実際のところ

Processing

/**
 * Sttings. 
 * 
 * Robot Arm showing UI. 
 */
 
import processing.net.*;

int port = 10002;
boolean myServerRunning = true;
int bgColor = 0;
int direction = 1;
int textLine = 60;

int rad = 60;
int[] dataArray = {0,0,0};


Server myServer;

void setup() 
{
  size(640, 360);
  noStroke();
  myServer = new Server(this, port); // Starts a myServer on port 10002
  
  background(102); //Window clear
  text("server", 15, 45);
}

void mousePressed()
{
  // If the mouse clicked the myServer stops
  myServer.stop();
  myServerRunning = false;
}

void draw() 
{  
  if (myServerRunning == true)
  {
    Client thisClient = myServer.available();
    if (thisClient != null) {
      if (thisClient.available() > 0) {
        // text("mesage from: " + thisClient.ip() + " : " + thisClient.readString(), 15, textLine);
        //textLine = textLine + 35;
        dataArray = int(split(thisClient.readString(), ","));
        println(dataArray);
        
        background(102);
        text("server", 15, 45);

        showData(dataArray[0],dataArray[1],dataArray[2]);

      }
    }
  } 
  else 
  {
    text("server", 15, 45);
    text("stopped", 15, 65);
  }
}

void showData (int x,int y,int z) 
{
    text(x, 10, textLine);
    text(y, 60, textLine);
    text(z, 110, textLine);
    ellipse(100+ (x % 200), 100 + (y % 200), 12, 12);
}

データ送信(コマンドライン)

サーバーはローカルホストで起動しているので、これにncコマンドで送ってみます

$ cat senddata.sh 
#!/bin/bash

var=100

while :
do
  var=`expr $var + 20`
  printf "%d,%d,111" $var 100 | netcat  -c localhost 10002
  sleep 1s
done