pmap_clnt.c

操作系统SunOS 4.1.3版本的源码

#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)pmap_clnt.c 1.1 92/07/30 Copyr 1984 Sun Micro";
#endif

/*
 * pmap_clnt.c
 * Client interface to pmap rpc service.
 *
 * Copyright (C) 1984, Sun Microsystems, Inc.
 */

#include <rpc/rpc.h>
#include <rpc/pmap_prot.h>
#include <rpc/pmap_clnt.h>
#include <sys/time.h>
#include <sys/syslog.h>

static struct timeval timeout = { 5, 0 };
static struct timeval tottimeout = { 60, 0 };

/*
 * Set a mapping between program, version and port.
 * Calls the pmap service remotely to do the mapping.
 */
bool_t
pmap_set(program, version, protocol, port)
	u_long program;
	u_long version;
	int protocol;
	u_short port;
{
	struct sockaddr_in myaddress;
	int socket = -1;
	register CLIENT *client;
	struct pmap parms;
	bool_t rslt;

	get_myaddress(&myaddress);
	client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
	    timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
	if (client == (CLIENT *)NULL)
		return (FALSE);
	parms.pm_prog = program;
	parms.pm_vers = version;
	parms.pm_prot = protocol;
	parms.pm_port = port;
	if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt,
	    tottimeout) != RPC_SUCCESS) {
		(void) syslog(LOG_ERR, clnt_sperror(client,
		    "Cannot register service"));
		return (FALSE);
	}
	CLNT_DESTROY(client);
	(void)close(socket);
	return (rslt);
}

/*
 * Remove the mapping between program, version and port.
 * Calls the pmap service remotely to do the un-mapping.
 */
bool_t
pmap_unset(program, version)
	u_long program;
	u_long version;
{
	struct sockaddr_in myaddress;
	int socket = -1;
	register CLIENT *client;
	struct pmap parms;
	bool_t rslt;

	get_myaddress(&myaddress);
	client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
	    timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
	if (client == (CLIENT *)NULL)
		return (FALSE);
	parms.pm_prog = program;
	parms.pm_vers = version;
	parms.pm_port = parms.pm_prot = 0;
	CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt,
	    tottimeout);
	CLNT_DESTROY(client);
	(void)close(socket);
	return (rslt);
}