Notes

#include <iostream>
#include <time.h> // clocks per second

using namespace std;
void main() {
while (1) {
clock_t ticks;
ticks=1; // number of ticks is fixed 15 --> so i start with 1 end with 15
int choise;
cout<< "Please Select your option 1.The leaky bucket 2.The token bucket: ";
cin>>choise;
// for both algortihms packets have fixed size , queue is infinite ,number of ticks is fixed 15
if(choise==1){ // leaky bucket

int arrival_rate; // number of packets arrived at each tick
int maximum_arrival_rate=30; // maximum number of arriving packets at each tick
int departure_rate=5; // number of departing packets at each tick
int queue=0;
cout<<endl;
while(ticks!=16)
{arrival_rate=rand()% 30; // random number of arriving packets between 0 and maximum_arrival_rate(30)
queue+=arrival_rate;
cout<<ticks<<endl;
cout<<"number of arrived packets is "<<arrival_rate<<endl;
if(queue<departure_rate)
{cout<<"number of departured packets is "<<queue<<endl;
queue=0;}
else { // if queue > or = from departue rate
cout<<"number of departured packets is "<<departure_rate<<endl;
queue-=departure_rate;
}

cout<<"number of packets in the queue is "<<queue<<endl;
++ticks;}
continue;
}
else
if(choise==2) { // token bucket

int token_rate=2; // number of added tokens at each tick
int bucket_capacity=30; // maximum number of tokens in the bucket
int arrival_rate; //number of arriving packets
int maximum_arrival_rate=20; // maximum number of arriving packets at each tick
int c=0; //number of tokens in the bucket
int buffer=0; // initialize queue

while(ticks!=16)
{arrival_rate=rand()%20; // random number of arriving packets between 0 and maximum arrival_rate(20)
buffer +=arrival_rate; // puts arrival packets in the queue
cout<<ticks<<endl;
c+= token_rate;
if(c>30) c=30;
cout<<"number of arrived packets is "<<arrival_rate<<endl;
if(c>=buffer)
{cout<<"number of departured packets is "<<buffer<<endl;
buffer=0;
c-=buffer;
cout<<"number of packets in the queue is "<<buffer<<endl;
}
if(c<buffer)
{cout<<"number of departed packets is "<<c<<endl;
buffer-=c;
c=0;
cout<<"number of packets in the queue is "<<buffer<<endl;
}
++ticks;}
continue;




}
else
{cout << "Error Option Try again"<<endl;
continue;
}

} // end of while



}