ReactOS 0.4.15-dev-7674-gc0b4db1
clnt_simple.c
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1/*
2 * Copyright (c) 2009, Sun Microsystems, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * - Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 * - Redistributions in binary form must reproduce the above copyright notice,
10 * this list of conditions and the following disclaimer in the documentation
11 * and/or other materials provided with the distribution.
12 * - Neither the name of Sun Microsystems, Inc. nor the names of its
13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28/*
29 * Copyright (c) 1986-1991 by Sun Microsystems Inc.
30 */
31
32//#include <sys/cdefs.h>
33
34/*
35 * clnt_simple.c
36 * Simplified front end to client rpc.
37 */
38#include <wintirpc.h>
39//#include <pthread.h>
40#include <reentrant.h>
41//#include <sys/param.h>
42#include <stdio.h>
43#include <errno.h>
44#include <rpc/rpc.h>
45#include <string.h>
46#include <stdlib.h>
47#include <fcntl.h>
48//#include <unistd.h>
49
50#include <rpc/clnt.h>
51
52#ifndef MAXHOSTNAMELEN
53#define MAXHOSTNAMELEN 64
54#endif
55
56#ifndef NETIDLEN
57#define NETIDLEN 32
58#endif
59
61 int valid; /* Is this entry valid ? */
62 CLIENT *client; /* Client handle */
63 pid_t pid; /* process-id at moment of creation */
64 rpcprog_t prognum; /* Program */
65 rpcvers_t versnum; /* Version */
66 char host[MAXHOSTNAMELEN]; /* Servers host */
67 char nettype[NETIDLEN]; /* Network type */
68};
69
70static void rpc_call_destroy(void *);
71
72static void
74{
75 struct rpc_call_private *rcp = (struct rpc_call_private *)vp;
76
77 if (rcp) {
78 if (rcp->client)
79 CLNT_DESTROY(rcp->client);
80 free(rcp);
81 }
82}
83
84/*
85 * This is the simplified interface to the client rpc layer.
86 * The client handle is not destroyed here and is reused for
87 * the future calls to same prog, vers, host and nettype combination.
88 *
89 * The total time available is 25 seconds.
90 */
91enum clnt_stat
92rpc_call(host, prognum, versnum, procnum, inproc, in, outproc, out, nettype)
93 const char *host; /* host name */
94 rpcprog_t prognum; /* program number */
95 rpcvers_t versnum; /* version number */
96 rpcproc_t procnum; /* procedure number */
97 xdrproc_t inproc, outproc; /* in/out XDR procedures */
98 const char *in;
99 char *out; /* recv/send data */
100 const char *nettype; /* nettype */
101{
102 struct rpc_call_private *rcp = (struct rpc_call_private *) 0;
103 enum clnt_stat clnt_stat;
104 struct timeval timeout, tottimeout;
106 extern mutex_t tsd_lock;
107
108 if (rpc_call_key == -1) {
110 if (rpc_call_key == -1)
113 }
115 if (rcp == NULL) {
116 rcp = malloc(sizeof (*rcp));
117 if (rcp == NULL) {
119 rpc_createerr.cf_error.re_errno = errno;
120 return (rpc_createerr.cf_stat);
121 }
122 thr_setspecific(rpc_call_key, (void *) rcp);
123 rcp->valid = 0;
124 rcp->client = NULL;
125 }
126 if ((nettype == NULL) || (nettype[0] == 0))
127 nettype = "netpath";
128 if (!(rcp->valid && rcp->pid == getpid() &&
129 (rcp->prognum == prognum) &&
130 (rcp->versnum == versnum) &&
131 (!strcmp(rcp->host, host)) &&
132 (!strcmp(rcp->nettype, nettype)))) {
133 int fd;
134
135 rcp->valid = 0;
136 if (rcp->client)
137 CLNT_DESTROY(rcp->client);
138 /*
139 * Using the first successful transport for that type
140 */
142 rcp->pid = getpid();
143 if (rcp->client == NULL) {
144 return (rpc_createerr.cf_stat);
145 }
146 /*
147 * Set time outs for connectionless case. Do it
148 * unconditionally. Faster than doing a t_getinfo()
149 * and then doing the right thing.
150 */
151 timeout.tv_usec = 0;
152 timeout.tv_sec = 5;
153 (void) CLNT_CONTROL(rcp->client,
154 CLSET_RETRY_TIMEOUT, (char *)(void *)&timeout);
155 if (CLNT_CONTROL(rcp->client, CLGET_FD, (char *)(void *)&fd))
156 ; // XXX fcntl(fd, F_SETFD, 1); /* make it "close on exec" */
157 rcp->prognum = prognum;
158 rcp->versnum = versnum;
159 if ((strlen(host) < (size_t)MAXHOSTNAMELEN) &&
161 (void) strcpy(rcp->host, host);
162 (void) strcpy(rcp->nettype, nettype);
163 rcp->valid = 1;
164 } else {
165 rcp->valid = 0;
166 }
167 } /* else reuse old client */
168 tottimeout.tv_sec = 25;
169 tottimeout.tv_usec = 0;
170
171 /* LINTED const castaway */
172 clnt_stat = CLNT_CALL(rcp->client, procnum, inproc, (char *) in,
173 outproc, out, tottimeout);
174 /*
175 * if call failed, empty cache
176 */
177 if (clnt_stat != RPC_SUCCESS)
178 rcp->valid = 0;
179 return (clnt_stat);
180}
int strcmp(const char *String1, const char *String2)
Definition: utclib.c:469
ACPI_SIZE strlen(const char *String)
Definition: utclib.c:269
char * strcpy(char *DstString, const char *SrcString)
Definition: utclib.c:388
#define CLGET_FD
Definition: clnt.h:249
#define CLSET_RETRY_TIMEOUT
Definition: clnt.h:265
#define CLNT_CALL(rh, proc, xargs, argsp, xres, resp, secs)
Definition: clnt.h:199
#define CLNT_CONTROL(cl, rq, in)
Definition: clnt.h:240
#define CLNT_DESTROY(rh)
Definition: clnt.h:275
CLIENT * clnt_create(const char *hostname, const rpcprog_t prog, const rpcvers_t vers, const char *nettype)
Definition: clnt_generic.c:179
enum clnt_stat rpc_call(char *host, rpcprog_t prognum, rpcvers_t versnum, rpcproc_t procnum, xdrproc_t inproc, const char *in, xdrproc_t outproc, char *out, const char *nettype) const
Definition: clnt_simple.c:92
static void rpc_call_destroy(void *)
Definition: clnt_simple.c:73
#define NETIDLEN
Definition: clnt_simple.c:57
#define MAXHOSTNAMELEN
Definition: clnt_simple.c:53
clnt_stat
Definition: clnt_stat.h:21
@ RPC_SUCCESS
Definition: clnt_stat.h:22
@ RPC_SYSTEMERROR
Definition: clnt_stat.h:43
#define free
Definition: debug_ros.c:5
#define malloc
Definition: debug_ros.c:4
#define NULL
Definition: types.h:112
u_int32_t rpcprog_t
Definition: types.h:104
DWORD pid_t
Definition: types.h:91
u_int32_t rpcvers_t
Definition: types.h:105
u_int32_t rpcproc_t
Definition: types.h:106
__kernel_size_t size_t
Definition: linux.h:237
GLuint in
Definition: glext.h:9616
thread_key_t rpc_call_key
Definition: mt_misc.c:90
mutex_t tsd_lock
Definition: mt_misc.c:86
static const struct timeval tottimeout
Definition: pmap_getport.c:44
#define thr_setspecific(k, p)
Definition: reentrant.h:146
#define mutex_lock(m)
Definition: reentrant.h:128
#define thr_getspecific(k)
Definition: reentrant.h:147
#define mutex_unlock(m)
Definition: reentrant.h:129
#define thr_keycreate(k, d)
Definition: reentrant.h:144
#define thread_key_t
Definition: reentrant.h:124
static FILE * out
Definition: regtests2xml.c:44
#define errno
Definition: errno.h:18
static int fd
Definition: io.c:51
Definition: module.h:456
char host[MAXHOSTNAMELEN]
Definition: clnt_simple.c:66
char nettype[NETIDLEN]
Definition: clnt_simple.c:67
rpcvers_t versnum
Definition: clnt_simple.c:65
rpcprog_t prognum
Definition: clnt_simple.c:64
CLIENT * client
Definition: clnt_simple.c:62
struct rpc_err cf_error
Definition: clnt.h:497
enum clnt_stat cf_stat
Definition: clnt.h:496
Definition: dhcpd.h:245
char * host
Definition: whois.c:55
#define getpid
Definition: wintirpc.h:52
bool_t(* xdrproc_t)(XDR *,...)
Definition: xdr.h:144