1 files changed, 74 insertions, 0 deletions
diff --git a/lib/librpc/demo/msg/rprintmsg.c b/lib/librpc/demo/msg/rprintmsg.c
new file mode 100644
index 0000000..b9cb1e3
--- /dev/null
+++ b/lib/librpc/demo/msg/rprintmsg.c
@@ -0,0 +1,74 @@
+/* @(#)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);
+}