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clnt_gen.c
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clnt_gen.c
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/**********************************************************************
* ONC RPC for WIN32.
* 1997 by WD Klotz
* ESRF, BP 220, F-38640 Grenoble, CEDEX
* klotz-tech@esrf.fr
*
* SUN's ONC RPC for Windows NT and Windows 95. Ammended port from
* Martin F.Gergeleit's distribution. This version has been modified
* and cleaned, such as to be compatible with Windows NT and Windows 95.
* Compiler: MSVC++ version 4.2 and 5.0.
*
* Users may use, copy or modify Sun RPC for the Windows NT Operating
* System according to the Sun copyright below.
* RPC for the Windows NT Operating System COMES WITH ABSOLUTELY NO
* WARRANTY, NOR WILL I BE LIABLE FOR ANY DAMAGES INCURRED FROM THE
* USE OF. USE ENTIRELY AT YOUR OWN RISK!!!
**********************************************************************/
/*********************************************************************
* RPC for the Windows NT Operating System
* 1993 by Martin F. Gergeleit
* Users may use, copy or modify Sun RPC for the Windows NT Operating
* System according to the Sun copyright below.
*
* RPC for the Windows NT Operating System COMES WITH ABSOLUTELY NO
* WARRANTY, NOR WILL I BE LIABLE FOR ANY DAMAGES INCURRED FROM THE
* USE OF. USE ENTIRELY AT YOUR OWN RISK!!!
*********************************************************************/
/* @(#)clnt_generic.c 2.2 88/08/01 4.0 RPCSRC */
/*
* 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
*/
#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)clnt_generic.c 1.4 87/08/11 (C) 1987 SMI";
#endif
/*
* Copyright (C) 1987, Sun Microsystems, Inc.
*/
#include "all_oncrpc.h"
/*
* Generic client creation: takes (hostname, program-number, protocol) and
* returns client handle. Default options are set, which the user can
* change using the rpc equivalent of ioctl()'s.
*/
CLIENT *
clnt_create(hostname, prog, vers, proto)
char *hostname;
unsigned prog;
unsigned vers;
char *proto;
{
struct hostent *h;
struct protoent *p;
struct sockaddr_in sin;
int sock;
struct timeval tv;
CLIENT *client;
h = gethostbyname(hostname);
if (h == NULL) {
rpc_createerr.cf_stat = RPC_UNKNOWNHOST;
return (NULL);
}
if (h->h_addrtype != AF_INET) {
/*
* Only support INET for now
*/
rpc_createerr.cf_stat = RPC_SYSTEMERROR;
#ifdef WIN32
rpc_createerr.cf_error.re_errno = WSAEAFNOSUPPORT;
#else
rpc_createerr.cf_error.re_errno = EAFNOSUPPORT;
#endif
return (NULL);
}
sin.sin_family = h->h_addrtype;
sin.sin_port = 0;
bzero(sin.sin_zero, sizeof(sin.sin_zero));
bcopy(h->h_addr, (char*)&sin.sin_addr, h->h_length);
p = getprotobyname(proto);
if (p == NULL) {
rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
#ifdef WIN32
rpc_createerr.cf_error.re_errno = WSAEPFNOSUPPORT;
#else
rpc_createerr.cf_error.re_errno = EPFNOSUPPORT;
#endif
return (NULL);
}
sock = RPC_ANYSOCK;
switch (p->p_proto) {
case IPPROTO_UDP:
tv.tv_sec = 5;
tv.tv_usec = 0;
client = clntudp_create(&sin, prog, vers, tv, &sock);
if (client == NULL) {
return (NULL);
}
tv.tv_sec = 25;
clnt_control(client, CLSET_TIMEOUT, &tv);
break;
case IPPROTO_TCP:
client = clnttcp_create(&sin, prog, vers, &sock, 0, 0);
if (client == NULL) {
return (NULL);
}
tv.tv_sec = 25;
tv.tv_usec = 0;
clnt_control(client, CLSET_TIMEOUT, &tv);
break;
default:
rpc_createerr.cf_stat = RPC_SYSTEMERROR;
#ifdef WIN32
rpc_createerr.cf_error.re_errno = WSAEPFNOSUPPORT;
#else
rpc_createerr.cf_error.re_errno = EPFNOSUPPORT;
#endif
return (NULL);
}
return (client);
}
void
clnt_destroy(rh)
CLIENT *rh;
{
CLNT_DESTROY(rh);
}