NPM- 7th ex

7th ex:-

PROGRAM:

SIMP.X

#define VERSION_NUMBER 1

#define foo 127

struct operands

{

int x;

int y;

};

program SIMP_PROG

{

version SIMP_VERSION

{

int ADD(operands)=1;

int SUB(operands)=2;

}

=VERSION_NUMBER;

}=55555555;

SIMSER.C

#include<stdio.h>

#include "simp.h"

int *add_1_svc(operands *argp,struct svc_req *rqstp)

{

static int result;

printf("Got Request:adding %d,%d\n",argp->x,argp->y);

result=argp->x+argp->y;

return(&result);

}

int *sub_1_svc(operands *argp,struct svc_req *rqstp)

{

static int result;

printf("Got Request:subtracting %d,%d\n",argp->x,argp->y);

result=argp->x-argp->y;

return(&result);

}

SIMCLI.C

#include<stdio.h>

#include<stdlib.h>

#include "simp.h"

int add(CLIENT *clnt,int x,int y)

{

operands ops;

int *result;

ops.x=x;

ops.y=y;

result=add_1(&ops,clnt);

if(result==NULL)

{

fprintf(stderr,"Trouble calling remote procedure\n");

exit(0);

}

return(*result);

}

int sub(CLIENT *clnt,int x,int y)

{

operands ops;

int *result;

ops.x=x;

ops.y=y;

result=sub_1(&ops,clnt);

if(result==NULL)

{

fprintf(stderr,"Trouble calling remote procedure\n");

exit(0);

}

return(*result);

}

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

{

CLIENT *clnt;

int x,y;

if(argc!=4)

{

fprintf(stderr,"Usage:%s hostname num 1 num\n",argv[0]);

exit(0);

}

clnt=clnt_create(argv[1],SIMP_PROG,SIMP_VERSION,"udp");

if(clnt==(CLIENT *)NULL)

{

clnt_pcreateerror(argv[1]);

exit(1);

}

x=atoi(argv[2]);

y=atoi(argv[3]);

printf("%d+%d=%d\n",x,y,add(clnt,x,y));

printf("%d-%d=%d\n",x,y,sub(clnt,x,y));

return(0);

}

OUTPUT:

SIMP.X

[it86063@vecit ~]$ rpcgen simp.x

SIMSER.C

 [it86063@vecit ~]$ cc -o server simser.c simp_svc.c simp_xdr.c

[it86063@vecit ~]$ ./server

Got Request:adding 3,4

Got Request:subtracting 3,4

SIMCLI.C:

 [it86063@vecit ~]$ cc -o client simcli.c simp_clnt.c simp_xdr.c

[it86063@vecit ~]$ ./client vecit 3 4

3+4=7

3-4=-1