/*
 * rprintmsg.c: remote version of "printmsg.c"
 */
#include <stdio.h>
#include <rpc/rpc.h>            /* always need this */
#include "msg.h"                /* need this too: will be generated by rpcgen*/

main(argc, argv)
        int argc;
        char *argv[];
{
        CLIENT *cl;
        int *result;
        char *server;
        char *message;

        if (argc < 3) {
                fprintf(stderr, "usage: %s host message\n", argv[0]);
                exit(1);
        }

        /*
         * Remember what our command line arguments refer to
         */
        server = argv[1];
        message = argv[2];

        /*
         * Create client "handle" used for calling MESSAGEPROG on the
         * server designated on the command line. We tell the rpc package
         * to use the "tcp" protocol when contacting the server.
         */
        cl = clnt_create(server, MESSAGEPROG, MESSAGEVERS, "tcp");
        if (cl == NULL) {
                /*
                 * Couldn't establish connection with server.
                 * Print error message and die.
                 */
                clnt_pcreateerror(server);
                exit(1);
        }

        /*
         * Call the remote procedure "printmessage" on the server
         */
        result = printmessage_1(&message, cl);
        if (result == NULL) {
                /*
                 * An error occurred while calling the server.
                 * Print error message and die.
                 */
                clnt_perror(cl, server);
                exit(1);
        }

        /*
         * Okay, we successfully called the remote procedure.
         */
        if (*result == 0) {
                /*
                 * Server was unable to print our message.
                 * Print error message and die.
                 */
                fprintf(stderr, "%s: sorry, %s couldn't print your message\n",
                        argv[0], server);
                exit(1);
        }

        /*
         * The message got printed on the server's console
         */
        printf("Message delivered to %s!\n", server);
}