TOPIC:TO IMPLEMENT SLIDING WINDOW PROTOCOL IN JAVA

/*
TOPIC:TO IMPLEMENT SLIDING WINDOW PROTOCOL
SLIDING WINDOW
sliclient.java

*/
import java.io.*;
import java.net.*;
class sliclient
{
public static void main(String aafhbasgj[])throws Exception
{

Socket s=new Socket("localhost",6483);
String opmsg;
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
DataInputStream in=new DataInputStream(s.getInputStream());
PrintStream dos=new PrintStream(s.getOutputStream());
int iterations=Integer.parseInt(in.readLine());
String msg=in.readLine();
int no=Integer.parseInt(msg);
int i=0,intr=0,iframe=0;
int framecounter=0;
while(intr<iterations)
{
msg=in.readLine();
System.out.println(msg);
i++;
framecounter++;
if(framecounter%no==0)
{
System.out.println("sending ack to server");
opmsg="ACK : FRAME "+iframe+" RECIEVED";
dos.println(opmsg);
iframe++;
}
if(i==8)
{
i=0;
intr++;
}
}
s.close();
}
}
/*
java slisender
Enter number of iterations
5
Enter window size
2
ACK : FRAME 0 RECIEVED
ACK : FRAME 1 RECIEVED
ACK : FRAME 2 RECIEVED
ACK : FRAME 3 RECIEVED
ACK : FRAME 4 RECIEVED
*/

/*
TOPIC:TO IMPLEMENT SLIDING WINDOW PROTOCOL
slisender.java
*/

import java.io.*;
import java.net.*;
class slisender
{
public static void main(String aafhbasgj[])throws Exception
{
ServerSocket ss=new ServerSocket(6483);
Socket s=ss.accept();
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
DataInputStream in=new DataInputStream(s.getInputStream());
String str1;
System.out.println("Enter number of iterations");
int it=Integer.parseInt(br.readLine());
int intr=0;
int msg[]=new int[8];
for(int i=0;i<8;i++)
msg[i]=i;

PrintStream p;
int no;
p=new PrintStream(s.getOutputStream());
p.println(it);
System.out.println("Enter window size");
no=Integer.parseInt(br.readLine());
p.println(no);
int i=0;
while(intr<it)
{
p.println(msg[i]);
i++;

if(i==no)
{
str1=in.readLine();
System.out.println(str1);
}
if(i==8)
{
i=0;
intr++;
}
}
ss.close();
s.close();
}
}
/*
 java sliclient
0
1
sending ack to server
2
3
sending ack to server
4
5
sending ack to server
6
7
sending ack to server
0
1
sending ack to server
2
3
sending ack to server
4
5
sending ack to server
6
7
sending ack to server
0
1
sending ack to server
2
3
sending ack to server
4
5
sending ack to server
6
7
sending ack to server
0
1
sending ack to server
2
3
sending ack to server
4
5
sending ack to server
6
7
sending ack to server
0
1
sending ack to server
2
3
sending ack to server
4
5
sending ack to server
6
7
sending ack to server
*/