Specifications

Remote Procedure Call Programming Guide Page 29
/*
* The sender routines
*/
#include <stdio.h>
#include <netdb.h>
#include <rpc/rpc.h>
#include <sys/socket.h>
#include <sys/time.h>
main(argc, argv)
int argc;
char **argv;
{
int xdr_rcp();
int err;
if (argc < 2) {
fprintf(stderr, "usage: %s servername\n", argv[0]);
exit(-1);
}
if ((err = callrpctcp(argv[1], RCPPROG, RCPPROC,
RCPVERS, xdr_rcp, stdin, xdr_void, 0) != 0)) {
clnt_perrno(err);
fprintf(stderr, "can’t make RPC call\n");
exit(1);
}
exit(0);
}
callrpctcp(host, prognum, procnum, versnum,
inproc, in, outproc, out)
char *host, *in, *out;
xdrproc_t inproc, outproc;
{
struct sockaddr_in server_addr;
int socket = RPC_ANYSOCK;
enum clnt_stat clnt_stat;
struct hostent *hp;
register CLIENT *client;
struct timeval total_timeout;
if ((hp = gethostbyname(host)) == NULL) {
fprintf(stderr, "can’t get addr for ’%s’\n", host);
return (-1);
}
bcopy(hp->h_addr, (caddr_t)&server_addr.sin_addr,
hp->h_length);
server_addr.sin_family = AF_INET;
server_addr.sin_port = 0;
if ((client = clnttcp_create(&server_addr, prognum,
versnum, &socket, BUFSIZ, BUFSIZ)) == NULL) {
perror("rpctcp_create");
return (-1);
}
total_timeout.tv_sec = 20;
total_timeout.tv_usec = 0;
clnt_stat = clnt_call(client, procnum,
inproc, in, outproc, out, total_timeout);
clnt_destroy(client);