Source code: PacketF/ICMPPacket.java

   package PacketF;
   import HeaderF.*;
   /*
    * ICMPPacket.java
    *
    * Created on 02 November 2002, 15:30
    */
   
   /**
   *
   * @author  yc
   */
  public class ICMPPacket extends IPPacket implements PacketInterface {
       // instance variables
      private ICMPHeader icmph;
      // static variables
      private static int icmp_count=0;
      
      
      /** Creates a new instance of ICMPPacket */
      public ICMPPacket(ICMPHeader icmph, Payload data) 
      {
          super(data);
          this.icmph = icmph;
          icmp_count++;
      }
     
      
      
      public static void initialise()
      {
          icmp_count = 0;
      }
      // get the number of ICMPPackets
      public static int getCount()
      {
          return icmp_count;
      }
      
    
  
      // implement PacketInterface
      
      public String toString()
      {
          return "ICMP Packet";
      }
      
      public boolean equals(Object obj)
      {
          return false;
      }
      
      public String getProtocol() {
          return "ICMP";
      }    
      
      public String getType() {
          /* in the future it will be determined*/
          return "N/D";
      }
      
      public String getDest() {
          return super.getDest();
      }
      
      public String getSource() {
          return super.getSource();
      }
      
      public String getSeqNo() {
          return super.getSeqNo();
      }
      
     /* this method should return the
      * time this packet has arrived
      */ 
      public String getTime() {
          return super.getTime();
      }
      
      /* this method should return the
       * total original size of the packet
       */
      public int getSize() {
          return super.getSize();
      }
      
  }