clnt_generic.c
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上传日期:2007-01-17
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文件大小:4k
- /* clnt_generic.c - generic client creation */
- /* Copyright 1989-2000 Wind River Systems, Inc. */
- #include "copyright_wrs.h"
- /* @(#)clnt_generic.c 2.1 87/11/04 3.9 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.
- */
- /*
- modification history
- --------------------
- 01i,18apr00,ham fixed compilation warnings.
- 01h,11aug93,jmm Changed ioctl.h and socket.h to sys/ioctl.h and sys/socket.h
- 01g,26may92,rrr the tree shuffle
- 01f,04oct91,rrr passed through the ansification filter
- -changed includes to have absolute path from h/
- -changed copyright notice
- 01e,01apr91,elh added clnt_genericInclude.
- 01d,25oct90,dnw removed include of utime.h.
- 01c,10may90,dnw changed taskModuleList->rpccreateerr to rpccreateerr macro
- 01b,19apr90,hjb de-linted.
- 01a,11jul89,hjb first VxWorks version for RPC 4.0 upgrade
- */
- #include "rpc/rpc.h"
- #include "sys/socket.h"
- #include "vxWorks.h"
- #include "string.h"
- #include "memLib.h"
- #include "rpc/rpcGbl.h"
- #include "inetLib.h"
- #include "hostLib.h"
- #ifndef CLSET_TIMEOUT
- #define CLSET_TIMEOUT 1
- #endif
- void clnt_genericInclude ()
- {
- }
- /*
- * 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;
- {
- int h;
- struct sockaddr_in sin;
- int sock;
- struct timeval tv;
- CLIENT *client;
- if (((h = hostGetByName (hostname)) == ERROR) &&
- ((h = (int) inet_addr (hostname)) == ERROR))
- {
- rpc_createerr.cf_stat = RPC_UNKNOWNHOST;
- return (NULL);
- }
- sin.sin_family = AF_INET;
- sin.sin_port = 0;
- bzero(sin.sin_zero, sizeof(sin.sin_zero));
- sin.sin_addr.s_addr = h;
- sock = RPC_ANYSOCK;
- if (strcmp (proto, "udp") == 0)
- {
- tv.tv_sec = 5;
- tv.tv_usec = 0;
- client = clntudp_create(&sin, (u_long)prog, (u_long)vers,
- tv, &sock);
- if (client == NULL)
- return (NULL);
- }
- else if (strcmp (proto, "tcp") == 0)
- {
- client = clnttcp_create(&sin, (u_long)prog, (u_long)vers,
- &sock, 0, 0);
- if (client == NULL)
- return (NULL);
- }
- else
- {
- rpc_createerr.cf_stat = RPC_SYSTEMERROR;
- return (NULL);
- }
- return (client);
- }