packet.java

使用Java语言编写模拟路由器程序

/* File: Packet.java
 *
 * This file contains the code for the class Packet,
 * which represents a Distance Vector packet exchanged
 * between the routers. It is just and abstraction over
 * the Distance Vector to include the ID of the router
 * that is sending the Distance Vector
 */
import java.util.*;
import java.io.*;

class Packet implements Serializable {
	// The ID of the router sending the Distance Vector
	int routerId;

	// The Distance Vector
	HashMap dv;

	/*
	 * Constructor
	 * 
	 * @id: The id of the router @dv: The Distance Vector
	 * 
	 * Use: To initialize the Packet
	 */
	public Packet(int id, HashMap d) {
		routerId = id;
		dv = d;
	}

	/*
	 * Method Name: getRouterId
	 * 
	 * Use: To get the ID of the router that sent the packet
	 */
	int getRouterId() {
		return routerId;
	}

	/*
	 * Method Name: getDV
	 * 
	 * Use: To get the Distance Vector contained in the packet
	 */
	HashMap getDV() {
		return dv;
	}
}