HardenedBSD/share/examples/sunrpc/msg/rprintmsg.c
1994-08-07 18:50:51 +00:00

75 lines
1.6 KiB
C

/* @(#)rprintmsg.c 2.1 88/08/11 4.0 RPCSRC */
/*
* 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);
}