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Showing posts with the label Network Programming

HTTP USING C

SERVER #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <errno.h> #include <string.h> int main() { int sock, connected, bytes_recieved , true = 1; char send_data [1024] , recv_data[1024]; char rep[40]={"File Received"}; int s,i,f=0; struct sockaddr_in server_addr,client_addr; int sin_size; if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1) { perror("Socket"); exit(1); } if (setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,&true,sizeof(int)) == -1) { perror("Setsockopt"); exit(1); } server_addr.sin_family = AF_INET; server_addr.sin_port = htons(2500); server_addr.sin_addr.s_addr = INADDR_ANY; if (bind(sock, (struct soc...
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RPC USING JAVA

Filename: rint.java import java.io.*; import java.rmi.*; public interface rint extends Remote { public int add(int a,int b)throws RemoteException; public int sub(int x,int y)throws RemoteException; public int mul(int p,int q)throws RemoteException; } File Name: rclass.java import java.io.*; import java.rmi.*; import java.net.*; import java.rmi.server.*; public class rclass extends UnicastRemoteObject implements rint { public rclass() throws RemoteException{} public int add(int a,int b) throws RemoteException { int c=a+b; return c; } public int sub(int x, int y) throws RemoteException { int d=x-y; return d; } public int mul(int p, int q) throws RemoteException { int e=p*q; return e; } } File Name: sclass.java Import java.io.*; import java.rmi.*; import java.net.*; public class sclass { public static void main(String args[ ]) { try { rclass r=new rclass(); Naming.rebind("sum",r); } catch(Excep...
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SIMULATION OF ROUTING PROTOCOLS USING C

#include<stdio.h> #include<ctype.h> int graph[12][12]; int e[12][12]; int ad[12]; int no,id,adc,small,chosen,i,j,ch1,ch2; char nodes[12]={"abcdefghijkl"}; int main() { adc=0; printf("Enter The Number Of Nodes: "); scanf("%d",&no); printf("\nEnter The Values For Adjacency Matrix\n"); for(i=0;i <no;i++) { for(j=0;j <no;j++) { printf("Enter The Values For %d,%d Position: ",(i+1),(j+1)); scanf("%d",&graph[i][j]); } } printf("\nEnter The Initial Estimates\t"); for(i=0;i <no;i++) { printf("\nEstimate For Node %c:\n",nodes[i]); for(j=0;j <no;j++) { printf("To Node %c : ",nodes[j]); scanf("%d",&e[i][j]); } } do { printf("\nMENU:\n1.ROUTING INFO FOR NODE"); printf("\n2.ESTIMATED TABLE\n"); printf("Enter Your Choice: "); scanf("%d",&ch1); switch(ch1) { case 1: printf("\nW...
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SIMULATION OF SLIDING WINDOW PROTOCOLS USING C

SENDER #include<sys/socket.h> #include<sys/types.h> #include<netinet/in.h> #include<netdb.h> #include<stdio.h> #include<string.h> #include<stdlib.h> #include<unistd.h> #include<errno.h> int main() { int sock,bytes_received,connected,true=1,i=1,s,f=0,sin_size; char send_data[1024],data[1024],c,fr[30]=" "; struct sockaddr_in server_addr,client_addr; if((sock=socket(AF_INET,SOCK_STREAM,0))==-1) { perror("Socket not created"); exit(1); } if(setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,&true,sizeof(int))==-1) { perror("Setsockopt"); exit(1); } server_addr.sin_family=AF_INET; server_addr.sin_port=htons(17000); server_addr.sin_addr.s_addr=INADDR_ANY; if(bind(sock,(struct sockaddr *)&server_addr,sizeof(struct sockaddr))==-1) { perror("Unable to bind"); exit(1); } if(listen(sock,5)==-1) { perror("Listen"); exit(1); } fflush(stdout); sin_size=sizeof(st...
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