1 /*
2 * Copyright (c) 2006-2018, RT-Thread Development Team
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 *
6 * Change Logs:
7 * Date Author Notes
8 */
9 /* @(#)clnt_generic.c 2.2 88/08/01 4.0 RPCSRC */
10 /*
11 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
12 * unrestricted use provided that this legend is included on all tape
13 * media and as a part of the software program in whole or part. Users
14 * may copy or modify Sun RPC without charge, but are not authorized
15 * to license or distribute it to anyone else except as part of a product or
16 * program developed by the user.
17 *
18 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
19 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
21 *
22 * Sun RPC is provided with no support and without any obligation on the
23 * part of Sun Microsystems, Inc. to assist in its use, correction,
24 * modification or enhancement.
25 *
26 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
27 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
28 * OR ANY PART THEREOF.
29 *
30 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
31 * or profits or other special, indirect and consequential damages, even if
32 * Sun has been advised of the possibility of such damages.
33 *
34 * Sun Microsystems, Inc.
35 * 2550 Garcia Avenue
36 * Mountain View, California 94043
37 */
38 #if !defined(lint) && defined(SCCSIDS)
39 static char sccsid[] = "@(#)clnt_generic.c 1.4 87/08/11 (C) 1987 SMI";
40 #endif
41 /*
42 * Copyright (C) 1987, Sun Microsystems, Inc.
43 */
44 #include <rpc/rpc.h>
45 #include <string.h>
46
47 /*
48 * Generic client creation: takes (hostname, program-number, protocol) and
49 * returns client handle. Default options are set, which the user can
50 * change using the rpc equivalent of ioctl()'s.
51 */
clnt_create(const char * hostname,const unsigned long prog,const unsigned long vers,const char * proto)52 CLIENT *clnt_create(const char *hostname, const unsigned long prog,
53 const unsigned long vers, const char *proto)
54 {
55 int sock;
56 struct sockaddr_in server;
57 struct addrinfo hint, *res = NULL;
58 struct timeval tv;
59 CLIENT *client;
60 int ret;
61
62 memset(&hint, 0, sizeof(hint));
63 ret = getaddrinfo(hostname, NULL, &hint, &res);
64 if (ret != 0)
65 {
66 rt_kprintf("getaddrinfo err: %d '%s'\n", ret, hostname);
67 return NULL;
68 }
69
70 memcpy(&server, res->ai_addr, sizeof(struct sockaddr_in));
71 freeaddrinfo(res);
72
73 sock = -1;
74 if (strcmp(proto, "udp") == 0)
75 {
76 tv.tv_sec = 5;
77 tv.tv_usec = 0;
78 client = clntudp_create(&server, prog, vers, tv, &sock);
79 if (client == NULL) return NULL;
80 tv.tv_sec = 1;
81 clnt_control(client, CLSET_TIMEOUT, (char *)&tv);
82 }
83 else
84 {
85 rt_kprintf("unknow protocol\n");
86 return NULL;
87 }
88
89 return (client);
90 }
91
clnt_perror(CLIENT * rpch,const char * s)92 void clnt_perror(CLIENT *rpch, const char *s)
93 {
94 rt_kprintf("rpc client error:%s\n", s);
95 }
96