//  date_client.c - client program for remote date service.

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <rpc/rpc.h>   // standard RPC include file
#include <rpc/auth.h>

#include  "date.h"          // automatically generated by rpcgen

typedef unsigned int    rpc_uint;

int main(int argc, char *argv[])
{
    CLIENT  *handle;        // RPC handle, used in all RPC transactions
    char    *remote_host;

    long    *lresult;       // return value from bin_date_1()
    char    **sresult;      // return value from str_date_1()

    if(argc != 2) {
        fprintf(stderr, "Usage: %s hostname\n", argv[0]);
        exit(1);
    }
    remote_host = argv[1];

//  CREATE THE CLIENT "HANDLE" TO BE USED IN ALL RPC TRANSACTIONS.
    if((handle = clnt_create(remote_host, DATE_PROG ,DATE_VERS, "udp")) == NULL) {
        clnt_pcreateerror(remote_host); // no connection with server.
        exit(2);
    }

//  FIRST CALL THE REMOTE PROCEDURE "bin_date"
    if((lresult = bin_date_1(NULL, handle)) == NULL) {
        clnt_perror(handle, remote_host);
        exit(3);
    }
    printf("time on host %s = %ld\n", remote_host, *lresult);

//  NOW CALL THE REMOTE PROCEDURE "str_date"
    if( (sresult = str_date_1(lresult, handle)) == NULL) {
        clnt_perror(handle, remote_host);
        exit(4);
    }
    printf("time on host %s = %s", remote_host, *sresult);

//  CLOSE OUR CONNECTION WITH THE RPC SERVER
    clnt_destroy(handle);

    return 0;
}