└── slidsender.java


/slidsender.java:
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 1 | //SENDER PROGRAM
 2 | 
 3 | import java.net.*;
 4 | import java.io.*;
 5 | import java.rmi.*;
 6 | public class slidsender
 7 | {
 8 | public static void main(String a[])throws Exception
 9 | {
10 | ServerSocket ser=new ServerSocket(10);
11 | Socket s=ser.accept();
12 | DataInputStream in=new DataInputStream(System.in);
13 | DataInputStream in1=new DataInputStream(s.getInputStream());
14 | String sbuff[]=new String[8];
15 | PrintStream p;
16 | int sptr=0,sws=8,nf,ano,i;
17 | String ch;
18 | do
19 | {
20 | p=new PrintStream(s.getOutputStream());
21 | System.out.print("Enter the no. of frames : ");
22 | nf=Integer.parseInt(in.readLine());
23 | p.println(nf);
24 | if(nf<=sws-1)
25 | {
26 | 
27 | System.out.println("Enter "+nf+" Messages to be send\n");
28 | for(i=1;i<=nf;i++)
29 | {
30 | sbuff[sptr]=in.readLine();
31 | p.println(sbuff[sptr]);
32 | sptr=++sptr%8;
33 | }
34 | sws-=nf;
35 | System.out.print("Acknowledgment received");
36 | ano=Integer.parseInt(in1.readLine());
37 | System.out.println(" for "+ano+" frames");
38 | sws+=nf;
39 | }
40 | else
41 | {
42 | System.out.println("The no. of frames exceeds window size");
43 | break;
44 | }
45 | System.out.print("\nDo you wants to send some more frames : ");
46 | ch=in.readLine(); p.println(ch);
47 | }
48 | while(ch.equals("yes"));
49 | s.close();
50 | }
51 | }
52 | 
53 | 


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