/* clnt_simple.c - simplified front end to rpc *//* Copyright 1984-2001 Wind River Systems, Inc. */#include "copyright_wrs.h"/* * Copyright (C) 1984, Sun Microsystems, Inc. * * Sun RPC is a product of Sun Microsystems, Inc. and is provided for * unrestricted use provided that this legend is included on all tape * media and as a part of the software program in whole or part.  Users * may copy or modify Sun RPC without charge, but are not authorized * to license or distribute it to anyone else except as part of a product or * program developed by the user. * * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. * * Sun RPC is provided with no support and without any obligation on the * part of Sun Microsystems, Inc. to assist in its use, correction, * modification or enhancement. * * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC * OR ANY PART THEREOF. * * In no event will Sun Microsystems, Inc. be liable for any lost revenue * or profits or other special, indirect and consequential damages, even if * Sun has been advised of the possibility of such damages. * * Sun Microsystems, Inc. * 2550 Garcia Avenue * Mountain View, California  94043 *//*modification history--------------------01r,05nov01,vvv  fixed compilation warning01q,18apr00,ham  fixed compilation warnings.01p,11aug93,jmm  Changed ioctl.h and socket.h to sys/ioctl.h and sys/socket.h01o,26may92,rrr  the tree shuffle01n,04oct91,rrr  passed through the ansification filter		  -changed includes to have absolute path from h/		  -changed copyright notice01m,01apr91,elh  added clnt_simpleInclude.01l,25oct90,dnw  removed include of utime.h.01k,26jun90,hjb  removed sccsid[].01j,10may90,dnw  moved moduleStatics to rpcGbl; removed init/exit routines		 changed taskModuleList to taskRpcStatics		 changed taskModuleList->rpccreateerr to rpccreateerr macro01i,11may90,yao  added missing modification history (01h) for the last checkin.01h,09may90,yao  typecasted malloc to (char *).01g,19apr90,hjb  de-linted.01f,29apr89,gae  added clnt_simpleExit to do tidy cleanup for tasks.		 changed clnt_simpleInit to return pointer to moduleStatics.01d,30may88,dnw  changed to v4 names.01c,29mar88,rdc   incorrect check of status returned by remGetHostByName		  in callrpc fixed.01b,11nov87,jlf   added wrs copyright, title, mod history, etc.01a,01nov87,rdc   first VxWorks version*/#ifndef lint/* static char sccsid[] = "@(#)clnt_simple.c 1.1 86/02/03 Copyr 1984 Sun Micro"; */#endif/* * clnt_simple.c * Simplified front end to rpc. * */#include "rpc/rpc.h"#include "sys/socket.h"#include "vxWorks.h"#include "memLib.h"#include "string.h"#include "rpc/rpcGbl.h"#include "hostLib.h"#include "unistd.h"void clnt_simpleInclude ()    {    }intcallrpc(host, prognum, versnum, procnum, inproc, in, outproc, out)	char *host;	xdrproc_t inproc, outproc;	char *in, *out;{	struct sockaddr_in server_addr;	enum clnt_stat clnt_stat;	int hp;	struct timeval timeout, tottimeout;	FAST struct clnt_simple *ms = &taskRpcStatics->clnt_simple;	if (ms->valid && ms->oldprognum == prognum && ms->oldversnum == versnum		&& strcmp(ms->oldhost, host) == 0) {		/* reuse old client */	}	else {		ms->valid = 0;		close(ms->socket);		ms->socket = RPC_ANYSOCK;		if (ms->client) {			clnt_destroy(ms->client);			ms->client = NULL;		}/* XXX		if ((hp = gethostbyname(host)) == NULL) */		if ((hp = hostGetByName (host)) == ERROR)			return ((int) RPC_UNKNOWNHOST);		timeout.tv_usec = 0;		timeout.tv_sec = 5;/* XXX		bcopy(hp->h_addr, &server_addr.sin_addr, hp->h_length); */		server_addr.sin_addr.s_addr = hp;		server_addr.sin_family = AF_INET;		server_addr.sin_port =  0;		if ((ms->client = clntudp_create(&server_addr, (u_long)prognum,		    (u_long)versnum, timeout, &ms->socket)) == NULL)			return ((int) rpc_createerr.cf_stat);		ms->valid = 1;		ms->oldprognum = prognum;		ms->oldversnum = versnum;		strcpy(ms->oldhost, host);	}	tottimeout.tv_sec = 25;	tottimeout.tv_usec = 0;	clnt_stat = clnt_call(ms->client, procnum, inproc, in,	    outproc, out, tottimeout);	/*	 * if call failed, empty cache	 */	if (clnt_stat != RPC_SUCCESS)		ms->valid = 0;	return ((int) clnt_stat);}