BSD 4_3_Net_2 release

[unix-history] / usr / src / lib / librpc / demo / dir / rls.c

/* @(#)rls.c    2.2 88/08/12 4.0 RPCSRC */
/*
* rls.c: Remote directory listing client
*/
#include <stdio.h>
#include <rpc/rpc.h>            /* always need this */
#include "dir.h"                /* need this too: will be generated by rpcgen*/

extern int errno;

main(argc, argv)
       int argc;
       char *argv[];
{
       CLIENT *cl;
       char *server;
       char *dir;
       readdir_res *result;
       namelist nl;
       

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

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

       /*
        * Create client "handle" used for calling DIRPROG 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, DIRPROG, DIRVERS, "tcp");
       if (cl == NULL) {
               /*
                * Couldn't establish connection with server.
                * Print error message and die.
                */
               clnt_pcreateerror(server);
               exit(1);
       }
       
       /*
        * Call the remote procedure "readdir" on the server
        */
       result = readdir_1(&dir, 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->errno != 0) {
               /*
                * A remote system error occurred.
                * Print error message and die.
                */
               errno = result->errno;
               perror(dir);
               exit(1);
       }

       /*
        * Successfuly got a directory listing.
        * Print it out.
        */
       for (nl = result->readdir_res_u.list; nl != NULL; nl = nl->next) {
               printf("%s\n", nl->name);
       }
}