Practical 3: Write a program to add two given numbers at server side using rpcgen command.

second.x

struct add

{

int a;

int b;

};

program second

{

version ver

{

int sum(add)=1;

}=1;

}=0x33000000;

second_client.c

/* This is sample code generated by rpcgen. These are only templates and you can

use them as a guideline for developing your own functions. */

#include “second.h”

#include “second_clnt.c”  // *** first modification ***********

void

second_1(char *host)

{

CLIENT *clnt;

int *result_1;

add sum_1_arg;

printf(“Enter Two Numbers\n”);   // *** second modification ***********

scanf(“%d%d”, &sum_1_arg.a, &sum_1_arg.b);

#ifndef DEBUG

clnt = clnt_create (host, second, ver, “udp”);

if (clnt == NULL) {

clnt_pcreateerror (host);

exit (1);

}

#endif /* DEBUG */

result_1 = sum_1(&sum_1_arg, clnt);

if (result_1 == (int *) NULL) {

clnt_perror (clnt, “call failed”);

}

#ifndef DEBUG

clnt_destroy (clnt);

#endif /* DEBUG */

}

int

main (int argc, char *argv[])

{

char *host;

if (argc < 2) {

printf (“usage: %s server_host\n”, argv[0]);

exit (1);

}

host = argv[1];

second_1 (host);

exit (0);

}

second_server.c

/* This is sample code generated by rpcgen. These are only templates and you can

use them as a guideline for developing your own functions. */

#include “second.h”

#include “second_svc.c”

int * sum_1_svc(add *argp, struct svc_req *rqstp)

{

static int result;

result=(*argp).a+(*argp).b;

printf(“Addition=%d\n”,result);

return &result;

}