i2p-zero/src/org/getmonero/i2p/embedded/Main.java

package org.getmonero.i2p.embedded;

import java.io.File;
import java.util.Properties;
import java.util.stream.Collectors;

import net.i2p.I2PAppContext;
import net.i2p.app.ClientAppManager;
import net.i2p.app.ClientAppManagerImpl;
import net.i2p.router.Router;
import net.i2p.sam.SAMBridge;

public class Main {

  public static void main(String[] args) {

    System.out.println("I2P router launched. SAM listening on port 7656.\n" +
        "Press Ctrl-C to gracefully shut down the router (or send the SIGINT signal to the process).");

    Properties p = new Properties();
    // add your configuration settings, directories, etc.
    // where to find the I2P installation files
    p.put("i2p.dir.base", "/usr/share/i2p");
    // where to find the I2P data files
    p.put("i2p.dir.config", System.getProperty("user.home") + File.separator + ".i2p");
    // bandwidth limits in K bytes per second
    p.put("i2np.inboundKBytesPerSecond","50");
    p.put("i2np.outboundKBytesPerSecond","50");
    p.put("router.sharePercentage","80");

    // allow default properties to be overridden via command line args, e.g. --i2p.dir.base=/usr/share/i2p
    for(String arg : args) {
      if(arg.startsWith("--")) {
        String[] s = arg.split("=");
        String argName = s[0].substring("--".length());
        String argVal = s[1];
        p.put(argName, argVal);
      }
    }

    System.out.println("Options set: "
        + p.entrySet().stream().map(e->"--"+e.getKey()+"="+e.getValue()).collect(Collectors.joining(" ")));

    Router r = new Router(p);

    new Thread() {
      @Override
      public void run() {
        r.setKillVMOnEnd(true);
        r.runRouter();
      }
    }.start();

    new Thread() {
      @Override
      public void run() {
        try {

          while(true) {
            if(r.isAlive()) {
              break;
            }
            else {
              Thread.sleep(1000);
              System.out.println("Waiting for I2P router to start...");
            }
          }

          String[] args = new String[]{"sam.keys", "127.0.0.1", "7656", "i2cp.tcp.host=127.0.0.1", "i2cp.tcp.port=7654"};
          I2PAppContext context = r.getContext();
          ClientAppManager mgr = new ClientAppManagerImpl(context);
          SAMBridge samBridge = new SAMBridge(context, mgr, args);
          samBridge.startup();

          new Thread(new TunnelControl(new File(new File(p.getProperty("i2p.dir.config")), "tunnel"))).start();

        }
        catch (Exception e) {
          e.printStackTrace();
        }
      }
    }.start();

    Runtime.getRuntime().addShutdownHook(new Thread() {
      @Override
      public void run() {
        System.out.println("I2P router will shut down gracefully");
        r.shutdownGracefully();
      }
    });

  }

}