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rtable.java
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rtable.java
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/**
* A routing table object
*/
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.net.InetAddress;
import java.util.ArrayList;
public class rtable implements Serializable{
void writeObject(ObjectOutputStream out) throws IOException{
out.defaultWriteObject();
}
void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException{
in.defaultReadObject();
}
ArrayList<route> table;
rtable(){
table = new ArrayList<route>();
}
void add(int id, InetAddress router,InetAddress mask, InetAddress next_hop, int cost){
table.add(new route(id, router, mask, next_hop, cost));
}
route get(int i){
return table.get(i);
}
ArrayList<route> get_ArrayList(){
return table;
}
void remove(int i){
table.remove(i);
}
boolean isEmpty(){
return table.isEmpty();
}
int size(){
return table.size();
}
boolean has(InetAddress router){
for(int i=0; i<table.size(); i++){
if (router.equals( (table.get(i)).router )){
return true;
}
else{
continue;
}
}
return false;
}
route getRoute(InetAddress router){
if (this.has(router)){
for(int i=0; i<this.size(); i++){
if (router.equals( (this.get(i)).router )){
return this.get(i);
}
else{
continue;
}
}
}
return null;
}
int getIndex(InetAddress router){
if (this.has(router)){
for(int i=0; i<this.size(); i++){
if (router.equals( (this.get(i)).router )){
return i;
}
else{
continue;
}
}
}
return -1;
}
void add_self(int my_id, InetAddress my_ip, InetAddress my_mask){
this.add(my_id, my_ip,my_mask, my_ip, 0);
}
}