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75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
/* @(#)rprintmsg.c 2.1 88/08/11 4.0 RPCSRC */
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/*
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* rprintmsg.c: remote version of "printmsg.c"
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*/
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#include <stdio.h>
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#include <rpc/rpc.h> /* always need this */
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#include "msg.h" /* need this too: will be generated by rpcgen*/
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main(argc, argv)
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int argc;
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char *argv[];
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{
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CLIENT *cl;
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int *result;
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char *server;
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char *message;
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if (argc < 3) {
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fprintf(stderr, "usage: %s host message\n", argv[0]);
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exit(1);
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}
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/*
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* Remember what our command line arguments refer to
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*/
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server = argv[1];
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message = argv[2];
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/*
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* Create client "handle" used for calling MESSAGEPROG on the
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* server designated on the command line. We tell the rpc package
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* to use the "tcp" protocol when contacting the server.
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*/
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cl = clnt_create(server, MESSAGEPROG, MESSAGEVERS, "tcp");
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if (cl == NULL) {
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/*
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* Couldn't establish connection with server.
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* Print error message and die.
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*/
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clnt_pcreateerror(server);
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exit(1);
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}
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/*
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* Call the remote procedure "printmessage" on the server
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*/
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result = printmessage_1(&message, cl);
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if (result == NULL) {
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/*
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* An error occurred while calling the server.
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* Print error message and die.
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*/
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clnt_perror(cl, server);
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exit(1);
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}
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/*
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* Okay, we successfully called the remote procedure.
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*/
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if (*result == 0) {
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/*
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* Server was unable to print our message.
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* Print error message and die.
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*/
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fprintf(stderr, "%s: sorry, %s couldn't print your message\n",
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argv[0], server);
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exit(1);
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}
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/*
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* The message got printed on the server's console
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*/
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printf("Message delivered to %s!\n", server);
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}
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