IMPLEMENTATION OF “HELLO WORLD” SERVICE USING RPC(REMOTE PROCEDURE CALL)

firsttry.x

program FIRSTTRYPROG {

            version FIRSTTRYVERS {

                        string FIRSTTRY(void) = 1;

            } = 1;

} = 0x30000824;

Firsttry_server.c

#include "firsttry.h"

char **

firsttry_1_svc(void *argp, struct svc_req *rqstp)

{

           

static char msg[256];

            static char *p;

            printf("getting ready to return value\n");

            strcpy(msg, "Hello world");

            p = msg;

            printf("Returning\n");

            return(&p);

}

Firsttry_client.c

#include <stdio.h>

#include <rpc/rpc.h>

#include "firsttry.h"

main (int argc, char *argv[]) {

            CLIENT *cl;

            char **p;

            cl = clnt_create(argv[1],FIRSTTRYPROG, FIRSTTRYVERS, "tcp");

            if (cl == NULL) {

                        clnt_pcreateerror(argv[1]);

                        exit(1);

            }

            p = firsttry_1(NULL,cl);

            printf("Back from firsttry\n");

            if (p == NULL) {

                        clnt_perror(cl,argv[1]);

                        exit(1);

            }

            printf("Returned string=%s\n",*p);

}