75 lines
1.6 KiB
C
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);
|
|
}
|