ReactOS 0.4.15-dev-8093-g3285f69
svc_dg.c
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1
2/*
3 * Copyright (c) 2009, Sun Microsystems, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 * - Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * - Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 * - Neither the name of Sun Microsystems, Inc. nor the names of its
14 * contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29
30/*
31 * Copyright (c) 1986-1991 by Sun Microsystems Inc.
32 */
33
34//#include <sys/cdefs.h>
35
36/*
37 * svc_dg.c, Server side for connectionless RPC.
38 *
39 * Does some caching in the hopes of achieving execute-at-most-once semantics.
40 */
41#include <wintirpc.h>
42//#include <pthread.h>
43#include <reentrant.h>
44#include <sys/types.h>
45//#include <sys/socket.h>
46#include <rpc/rpc.h>
47#include <rpc/svc_dg.h>
48#include <errno.h>
49//#include <unistd.h>
50#include <stdio.h>
51#include <stdlib.h>
52#include <string.h>
53#ifdef RPC_CACHE_DEBUG
54#include <netconfig.h>
55#include <netdir.h>
56#endif
57//#include <err.h>
58
59#include "rpc_com.h"
60
61#define su_data(xprt) ((struct svc_dg_data *)(xprt->xp_p2))
62#define rpc_buffer(xprt) ((xprt)->xp_p1)
63
64#ifndef MAX
65#define MAX(a, b) (((a) > (b)) ? (a) : (b))
66#endif
67
68static void svc_dg_ops(SVCXPRT *);
69static enum xprt_stat svc_dg_stat(SVCXPRT *);
70static bool_t svc_dg_recv(SVCXPRT *, struct rpc_msg *);
71static bool_t svc_dg_reply(SVCXPRT *, struct rpc_msg *);
72static bool_t svc_dg_getargs(SVCXPRT *, xdrproc_t, void *);
73static bool_t svc_dg_freeargs(SVCXPRT *, xdrproc_t, void *);
74static void svc_dg_destroy(SVCXPRT *);
75static bool_t svc_dg_control(SVCXPRT *, const u_int, void *);
76static int cache_get(SVCXPRT *, struct rpc_msg *, char **, size_t *);
77static void cache_set(SVCXPRT *, size_t);
79
80/*
81 * Usage:
82 * xprt = svc_dg_create(sock, sendsize, recvsize);
83 * Does other connectionless specific initializations.
84 * Once *xprt is initialized, it is registered.
85 * see (svc.h, xprt_register). If recvsize or sendsize are 0 suitable
86 * system defaults are chosen.
87 * The routines returns NULL if a problem occurred.
88 */
89static const char svc_dg_str[] = "svc_dg_create: %s";
90static const char svc_dg_err1[] = "could not get transport information";
91static const char svc_dg_err2[] = " transport does not support data transfer";
92static const char __no_mem_str[] = "out of memory";
93
94SVCXPRT *
95svc_dg_create(fd, sendsize, recvsize)
96 int fd;
97 u_int sendsize;
98 u_int recvsize;
99{
100 SVCXPRT *xprt;
101 struct svc_dg_data *su = NULL;
102 struct __rpc_sockinfo si;
103 struct sockaddr_storage ss;
104 socklen_t slen;
105
106 if (!__rpc_fd2sockinfo(fd, &si)) {
107 // XXX warnx(svc_dg_str, svc_dg_err1);
108 return (NULL);
109 }
110 /*
111 * Find the receive and the send size
112 */
113 sendsize = __rpc_get_t_size(si.si_af, si.si_proto, (int)sendsize);
114 recvsize = __rpc_get_t_size(si.si_af, si.si_proto, (int)recvsize);
115 if ((sendsize == 0) || (recvsize == 0)) {
116 // XXX warnx(svc_dg_str, svc_dg_err2);
117 return (NULL);
118 }
119
120 xprt = mem_alloc(sizeof (SVCXPRT));
121 if (xprt == NULL)
122 goto freedata;
123 memset(xprt, 0, sizeof (SVCXPRT));
124
125 su = mem_alloc(sizeof (*su));
126 if (su == NULL)
127 goto freedata;
128 su->su_iosz = ((MAX(sendsize, recvsize) + 3) / 4) * 4;
129 if ((rpc_buffer(xprt) = mem_alloc(su->su_iosz)) == NULL)
130 goto freedata;
131 xdrmem_create(&(su->su_xdrs), rpc_buffer(xprt), su->su_iosz,
132 XDR_DECODE);
133 su->su_cache = NULL;
134 xprt->xp_fd = fd;
135 xprt->xp_p2 = su;
136 xprt->xp_verf.oa_base = su->su_verfbody;
137 svc_dg_ops(xprt);
138 xprt->xp_rtaddr.maxlen = sizeof (struct sockaddr_storage);
139
140 slen = sizeof ss;
141 if (getsockname(fd, (struct sockaddr *)(void *)&ss, &slen) == SOCKET_ERROR)
142 goto freedata;
143 __rpc_set_netbuf(&xprt->xp_ltaddr, &ss, slen);
144
145 xprt_register(xprt);
146 return (xprt);
147freedata:
148 // XXX (void) warnx(svc_dg_str, __no_mem_str);
149 if (xprt) {
150 if (su)
151 (void) mem_free(su, sizeof (*su));
152 (void) mem_free(xprt, sizeof (SVCXPRT));
153 }
154 return (NULL);
155}
156
157/*ARGSUSED*/
158static enum xprt_stat
160 SVCXPRT *xprt;
161{
162 return (XPRT_IDLE);
163}
164
165static bool_t
167 SVCXPRT *xprt;
168 struct rpc_msg *msg;
169{
170 struct svc_dg_data *su = su_data(xprt);
171 XDR *xdrs = &(su->su_xdrs);
172 char *reply;
173 struct sockaddr_storage ss;
174 socklen_t alen;
175 size_t replylen;
176 ssize_t rlen;
177
178again:
179 alen = sizeof (struct sockaddr_storage);
180 rlen = recvfrom(xprt->xp_fd, rpc_buffer(xprt), su->su_iosz, 0,
181 (struct sockaddr *)(void *)&ss, &alen);
182 if (rlen == -1 && errno == EINTR)
183 goto again;
184 if (rlen == -1 || (rlen < (ssize_t)(4 * sizeof (u_int32_t))))
185 return (FALSE);
186 __rpc_set_netbuf(&xprt->xp_rtaddr, &ss, alen);
187
188 __xprt_set_raddr(xprt, &ss);
189 xdrs->x_op = XDR_DECODE;
190 XDR_SETPOS(xdrs, 0);
191 if (! xdr_callmsg(xdrs, msg)) {
192 return (FALSE);
193 }
194 su->su_xid = msg->rm_xid;
195 if (su->su_cache != NULL) {
196 if (cache_get(xprt, msg, &reply, &replylen)) {
197 (void)sendto(xprt->xp_fd, reply, replylen, 0,
198 (struct sockaddr *)(void *)&ss, alen);
199 return (FALSE);
200 }
201 }
202 return (TRUE);
203}
204
205static bool_t
207 SVCXPRT *xprt;
208 struct rpc_msg *msg;
209{
210 struct svc_dg_data *su = su_data(xprt);
211 XDR *xdrs = &(su->su_xdrs);
212 bool_t stat = FALSE;
213 size_t slen;
214
215 xdrs->x_op = XDR_ENCODE;
216 XDR_SETPOS(xdrs, 0);
217 msg->rm_xid = su->su_xid;
218 if (xdr_replymsg(xdrs, msg)) {
219 slen = XDR_GETPOS(xdrs);
220 if (sendto(xprt->xp_fd, rpc_buffer(xprt), slen, 0,
221 (struct sockaddr *)xprt->xp_rtaddr.buf,
222 (socklen_t)xprt->xp_rtaddr.len) == (ssize_t) slen) {
223 stat = TRUE;
224 if (su->su_cache)
225 cache_set(xprt, slen);
226 }
227 }
228 return (stat);
229}
230
231static bool_t
232svc_dg_getargs(xprt, xdr_args, args_ptr)
233 SVCXPRT *xprt;
234 xdrproc_t xdr_args;
235 void *args_ptr;
236{
237 return (*xdr_args)(&(su_data(xprt)->su_xdrs), args_ptr);
238}
239
240static bool_t
241svc_dg_freeargs(xprt, xdr_args, args_ptr)
242 SVCXPRT *xprt;
243 xdrproc_t xdr_args;
244 void *args_ptr;
245{
246 XDR *xdrs = &(su_data(xprt)->su_xdrs);
247
248 xdrs->x_op = XDR_FREE;
249 return (*xdr_args)(xdrs, args_ptr);
250}
251
252static void
254 SVCXPRT *xprt;
255{
256 struct svc_dg_data *su = su_data(xprt);
257
258 xprt_unregister(xprt);
259 if (xprt->xp_fd != -1)
260 (void)closesocket(xprt->xp_fd);
261 XDR_DESTROY(&(su->su_xdrs));
262 (void) mem_free(rpc_buffer(xprt), su->su_iosz);
263 (void) mem_free(su, sizeof (*su));
264 if (xprt->xp_rtaddr.buf)
265 (void) mem_free(xprt->xp_rtaddr.buf, xprt->xp_rtaddr.maxlen);
266 if (xprt->xp_ltaddr.buf)
267 (void) mem_free(xprt->xp_ltaddr.buf, xprt->xp_ltaddr.maxlen);
268 if (xprt->xp_tp)
269 (void) free(xprt->xp_tp);
270 (void) mem_free(xprt, sizeof (SVCXPRT));
271}
272
273static bool_t
274/*ARGSUSED*/
276 SVCXPRT *xprt;
277 const u_int rq;
278 void *in;
279{
280 return (FALSE);
281}
282
283static void
285 SVCXPRT *xprt;
286{
287 static struct xp_ops ops;
288 static struct xp_ops2 ops2;
289 extern mutex_t ops_lock;
290
291/* VARIABLES PROTECTED BY ops_lock: ops */
292
294 if (ops.xp_recv == NULL) {
295 ops.xp_recv = svc_dg_recv;
296 ops.xp_stat = svc_dg_stat;
297 ops.xp_getargs = svc_dg_getargs;
298 ops.xp_reply = svc_dg_reply;
299 ops.xp_freeargs = svc_dg_freeargs;
300 ops.xp_destroy = svc_dg_destroy;
301 ops2.xp_control = svc_dg_control;
302 }
303 xprt->xp_ops = &ops;
304 xprt->xp_ops2 = &ops2;
306}
307
308/* The CACHING COMPONENT */
309
310/*
311 * Could have been a separate file, but some part of it depends upon the
312 * private structure of the client handle.
313 *
314 * Fifo cache for cl server
315 * Copies pointers to reply buffers into fifo cache
316 * Buffers are sent again if retransmissions are detected.
317 */
318
319#define SPARSENESS 4 /* 75% sparse */
320
321#define ALLOC(type, size) \
322 (type *) mem_alloc((sizeof (type) * (size)))
323
324#define MEMZERO(addr, type, size) \
325 (void) memset((void *) (addr), 0, sizeof (type) * (int) (size))
326
327#define FREE(addr, type, size) \
328 mem_free((addr), (sizeof (type) * (size)))
329
330/*
331 * An entry in the cache
332 */
333typedef struct cache_node *cache_ptr;
335 /*
336 * Index into cache is xid, proc, vers, prog and address
337 */
343 /*
344 * The cached reply and length
345 */
348 /*
349 * Next node on the list, if there is a collision
350 */
352};
353
354/*
355 * The entire cache
356 */
357struct cl_cache {
358 u_int uc_size; /* size of cache */
359 cache_ptr *uc_entries; /* hash table of entries in cache */
360 cache_ptr *uc_fifo; /* fifo list of entries in cache */
361 u_int uc_nextvictim; /* points to next victim in fifo list */
362 rpcprog_t uc_prog; /* saved program number */
363 rpcvers_t uc_vers; /* saved version number */
364 rpcproc_t uc_proc; /* saved procedure number */
365};
366
367
368/*
369 * the hashing function
370 */
371#define CACHE_LOC(transp, xid) \
372 (xid % (SPARSENESS * ((struct cl_cache *) \
373 su_data(transp)->su_cache)->uc_size))
374
375extern mutex_t dupreq_lock;
376
377/*
378 * Enable use of the cache. Returns 1 on success, 0 on failure.
379 * Note: there is no disable.
380 */
381static const char cache_enable_str[] = "svc_enablecache: %s %s";
382static const char alloc_err[] = "could not allocate cache ";
383static const char enable_err[] = "cache already enabled";
384
385int
387 SVCXPRT *transp;
388 u_int size;
389{
390 struct svc_dg_data *su = su_data(transp);
391 struct cl_cache *uc;
392
394 if (su->su_cache != NULL) {
395 // XXX (void) warnx(cache_enable_str, enable_err, " ");
397 return (0);
398 }
399 uc = ALLOC(struct cl_cache, 1);
400 if (uc == NULL) {
401 // XXX warnx(cache_enable_str, alloc_err, " ");
403 return (0);
404 }
405 uc->uc_size = size;
406 uc->uc_nextvictim = 0;
408 if (uc->uc_entries == NULL) {
409 // XXX warnx(cache_enable_str, alloc_err, "data");
410 FREE(uc, struct cl_cache, 1);
412 return (0);
413 }
415 uc->uc_fifo = ALLOC(cache_ptr, size);
416 if (uc->uc_fifo == NULL) {
417 // XXX warnx(cache_enable_str, alloc_err, "fifo");
419 FREE(uc, struct cl_cache, 1);
421 return (0);
422 }
424 su->su_cache = (char *)(void *)uc;
426 return (1);
427}
428
429/*
430 * Set an entry in the cache. It assumes that the uc entry is set from
431 * the earlier call to cache_get() for the same procedure. This will always
432 * happen because cache_get() is calle by svc_dg_recv and cache_set() is called
433 * by svc_dg_reply(). All this hoopla because the right RPC parameters are
434 * not available at svc_dg_reply time.
435 */
436
437static const char cache_set_str[] = "cache_set: %s";
438static const char cache_set_err1[] = "victim not found";
439static const char cache_set_err2[] = "victim alloc failed";
440static const char cache_set_err3[] = "could not allocate new rpc buffer";
441
442static void
443cache_set(xprt, replylen)
444 SVCXPRT *xprt;
445 size_t replylen;
446{
447 cache_ptr victim;
448 cache_ptr *vicp;
449 struct svc_dg_data *su = su_data(xprt);
450 struct cl_cache *uc = (struct cl_cache *) su->su_cache;
451 u_int loc;
452 char *newbuf;
453#ifdef RPC_CACHE_DEBUG
454 struct netconfig *nconf;
455 char *uaddr;
456#endif
457
459 /*
460 * Find space for the new entry, either by
461 * reusing an old entry, or by mallocing a new one
462 */
463 victim = uc->uc_fifo[uc->uc_nextvictim];
464 if (victim != NULL) {
465 loc = CACHE_LOC(xprt, victim->cache_xid);
466 for (vicp = &uc->uc_entries[loc];
467 *vicp != NULL && *vicp != victim;
468 vicp = &(*vicp)->cache_next)
469 ;
470 if (*vicp == NULL) {
471 // XXX warnx(cache_set_str, cache_set_err1);
473 return;
474 }
475 *vicp = victim->cache_next; /* remove from cache */
476 newbuf = victim->cache_reply;
477 } else {
478 victim = ALLOC(struct cache_node, 1);
479 if (victim == NULL) {
480 // XXX warnx(cache_set_str, cache_set_err2);
482 return;
483 }
484 newbuf = mem_alloc(su->su_iosz);
485 if (newbuf == NULL) {
486 // XXX warnx(cache_set_str, cache_set_err3);
487 FREE(victim, struct cache_node, 1);
489 return;
490 }
491 }
492
493 /*
494 * Store it away
495 */
496#ifdef RPC_CACHE_DEBUG
497 if (nconf = getnetconfigent(xprt->xp_netid)) {
498 uaddr = taddr2uaddr(nconf, &xprt->xp_rtaddr);
499 freenetconfigent(nconf);
500 printf(
501 "cache set for xid= %x prog=%d vers=%d proc=%d for rmtaddr=%s\n",
502 su->su_xid, uc->uc_prog, uc->uc_vers,
503 uc->uc_proc, uaddr);
504 free(uaddr);
505 }
506#endif
507 victim->cache_replylen = replylen;
508 victim->cache_reply = rpc_buffer(xprt);
509 rpc_buffer(xprt) = newbuf;
510 xdrmem_create(&(su->su_xdrs), rpc_buffer(xprt),
511 su->su_iosz, XDR_ENCODE);
512 victim->cache_xid = su->su_xid;
513 victim->cache_proc = uc->uc_proc;
514 victim->cache_vers = uc->uc_vers;
515 victim->cache_prog = uc->uc_prog;
516 victim->cache_addr = xprt->xp_rtaddr;
517 victim->cache_addr.buf = ALLOC(char, xprt->xp_rtaddr.len);
518 (void) memcpy(victim->cache_addr.buf, xprt->xp_rtaddr.buf,
519 (size_t)xprt->xp_rtaddr.len);
520 loc = CACHE_LOC(xprt, victim->cache_xid);
521 victim->cache_next = uc->uc_entries[loc];
522 uc->uc_entries[loc] = victim;
523 uc->uc_fifo[uc->uc_nextvictim++] = victim;
524 uc->uc_nextvictim %= uc->uc_size;
526}
527
528/*
529 * Try to get an entry from the cache
530 * return 1 if found, 0 if not found and set the stage for cache_set()
531 */
532static int
533cache_get(xprt, msg, replyp, replylenp)
534 SVCXPRT *xprt;
535 struct rpc_msg *msg;
536 char **replyp;
537 size_t *replylenp;
538{
539 u_int loc;
540 cache_ptr ent;
541 struct svc_dg_data *su = su_data(xprt);
542 struct cl_cache *uc = (struct cl_cache *) su->su_cache;
543#ifdef RPC_CACHE_DEBUG
544 struct netconfig *nconf;
545 char *uaddr;
546#endif
547
549 loc = CACHE_LOC(xprt, su->su_xid);
550 for (ent = uc->uc_entries[loc]; ent != NULL; ent = ent->cache_next) {
551 if (ent->cache_xid == su->su_xid &&
552 ent->cache_proc == msg->rm_call.cb_proc &&
553 ent->cache_vers == msg->rm_call.cb_vers &&
554 ent->cache_prog == msg->rm_call.cb_prog &&
555 ent->cache_addr.len == xprt->xp_rtaddr.len &&
556 (memcmp(ent->cache_addr.buf, xprt->xp_rtaddr.buf,
557 xprt->xp_rtaddr.len) == 0)) {
558#ifdef RPC_CACHE_DEBUG
559 if (nconf = getnetconfigent(xprt->xp_netid)) {
560 uaddr = taddr2uaddr(nconf, &xprt->xp_rtaddr);
561 freenetconfigent(nconf);
562 printf(
563 "cache entry found for xid=%x prog=%d vers=%d proc=%d for rmtaddr=%s\n",
564 su->su_xid, msg->rm_call.cb_prog,
565 msg->rm_call.cb_vers,
566 msg->rm_call.cb_proc, uaddr);
567 free(uaddr);
568 }
569#endif
570 *replyp = ent->cache_reply;
571 *replylenp = ent->cache_replylen;
573 return (1);
574 }
575 }
576 /*
577 * Failed to find entry
578 * Remember a few things so we can do a set later
579 */
580 uc->uc_proc = msg->rm_call.cb_proc;
581 uc->uc_vers = msg->rm_call.cb_vers;
582 uc->uc_prog = msg->rm_call.cb_prog;
584 return (0);
585}
#define EINTR
Definition: acclib.h:80
int memcmp(void *Buffer1, void *Buffer2, ACPI_SIZE Count)
Definition: utclib.c:112
#define msg(x)
Definition: auth_time.c:54
#define free
Definition: debug_ros.c:5
xprt_stat
Definition: svc.h:81
@ XPRT_IDLE
Definition: svc.h:84
UINT32 u_int
Definition: types.h:82
#define mem_free(ptr, bsize)
Definition: types.h:124
#define NULL
Definition: types.h:112
#define mem_alloc(bsize)
Definition: types.h:123
u_int32_t rpcprog_t
Definition: types.h:104
int32_t bool_t
Definition: types.h:101
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
u_int32_t rpcvers_t
Definition: types.h:105
u_int32_t rpcproc_t
Definition: types.h:106
INT WSAAPI recvfrom(IN SOCKET s, OUT CHAR FAR *buf, IN INT len, IN INT flags, OUT LPSOCKADDR from, IN OUT INT FAR *fromlen)
Definition: recv.c:87
INT WSAAPI sendto(IN SOCKET s, IN CONST CHAR FAR *buf, IN INT len, IN INT flags, IN CONST struct sockaddr *to, IN INT tolen)
Definition: send.c:82
#define printf
Definition: freeldr.h:97
void freenetconfigent(struct netconfig *netconfigp)
Definition: getnetconfig.c:530
struct netconfig * getnetconfigent(char *netid) const
Definition: getnetconfig.c:432
GLsizeiptr size
Definition: glext.h:5919
GLuint in
Definition: glext.h:9616
#define ss
Definition: i386-dis.c:441
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
int socklen_t
Definition: tcp.c:35
mutex_t ops_lock
Definition: mt_misc.c:71
#define closesocket
Definition: ncftp.h:477
#define mutex_lock(m)
Definition: reentrant.h:128
#define mutex_unlock(m)
Definition: reentrant.h:129
unsigned int u_int32_t
Definition: rosdhcp.h:35
int ssize_t
Definition: rosdhcp.h:48
bool_t xdr_callmsg(XDR *xdrs, struct rpc_msg *cmsg)
Definition: rpc_callmsg.c:50
u_int __rpc_get_t_size(int af, int proto, int size)
Definition: rpc_generic.c:139
char * taddr2uaddr(const struct netconfig *nconf, const struct netbuf *nbuf)
Definition: rpc_generic.c:609
int __rpc_fd2sockinfo(SOCKET fd, struct __rpc_sockinfo *sip)
Definition: rpc_generic.c:481
bool_t xdr_replymsg(XDR *xdrs, struct rpc_msg *rmsg)
Definition: rpc_prot.c:188
#define errno
Definition: errno.h:18
static int fd
Definition: io.c:51
#define memset(x, y, z)
Definition: compat.h:39
INT WSAAPI getsockname(IN SOCKET s, OUT LPSOCKADDR name, IN OUT INT FAR *namelen)
Definition: sockctrl.c:213
void __xprt_set_raddr(SVCXPRT *, const struct sockaddr_storage *)
Definition: svc_vc.c:111
struct netbuf * __rpc_set_netbuf(struct netbuf *, const void *, size_t)
Definition: rpc_generic.c:951
ADDRESS_FAMILY si_af
Definition: types.h:165
int si_proto
Definition: types.h:166
struct netbuf xp_rtaddr
Definition: svc.h:120
char * xp_netid
Definition: svc.h:118
char * xp_tp
Definition: svc.h:117
void * xp_p2
Definition: svc.h:124
SOCKET xp_fd
Definition: svc.h:91
struct opaque_auth xp_verf
Definition: svc.h:121
const struct __rpc_svcxprt::xp_ops2 * xp_ops2
struct netbuf xp_ltaddr
Definition: svc.h:119
const struct __rpc_svcxprt::xp_ops * xp_ops
Definition: xdr.h:103
enum xdr_op x_op
Definition: xdr.h:104
char * cache_reply
Definition: svc_dg.c:346
rpcvers_t cache_vers
Definition: svc_dg.c:340
struct netbuf cache_addr
Definition: svc_dg.c:342
size_t cache_replylen
Definition: svc_dg.c:347
u_int32_t cache_xid
Definition: svc_dg.c:338
rpcprog_t cache_prog
Definition: svc_dg.c:341
rpcproc_t cache_proc
Definition: svc_dg.c:339
cache_ptr cache_next
Definition: svc_dg.c:351
rpcprog_t uc_prog
Definition: svc_dg.c:362
cache_ptr * uc_fifo
Definition: svc_dg.c:360
rpcproc_t uc_proc
Definition: svc_dg.c:364
rpcvers_t uc_vers
Definition: svc_dg.c:363
u_int uc_size
Definition: svc_dg.c:358
u_int uc_nextvictim
Definition: svc_dg.c:361
cache_ptr * uc_entries
Definition: svc_dg.c:359
Definition: module.h:456
Definition: types.h:144
Definition: stat.h:55
XDR su_xdrs
Definition: svc_dg.h:45
void * su_cache
Definition: svc_dg.h:47
char su_verfbody[MAX_AUTH_BYTES]
Definition: svc_dg.h:46
u_int32_t su_xid
Definition: svc_dg.h:44
size_t su_iosz
Definition: svc_dg.h:43
void xprt_register(SVCXPRT *xprt)
Definition: svc.c:97
void xprt_unregister(SVCXPRT *xprt)
Definition: svc.c:128
#define rpc_buffer(xprt)
Definition: svc_dg.c:62
static const char enable_err[]
Definition: svc_dg.c:383
int svc_dg_enablecache(SVCXPRT *, u_int)
Definition: svc_dg.c:386
struct cache_node * cache_ptr
Definition: svc_dg.c:333
static void cache_set(SVCXPRT *, size_t)
Definition: svc_dg.c:443
static const char svc_dg_err1[]
Definition: svc_dg.c:90
static const char alloc_err[]
Definition: svc_dg.c:382
#define FREE(addr, type, size)
Definition: svc_dg.c:327
static bool_t svc_dg_recv(SVCXPRT *, struct rpc_msg *)
Definition: svc_dg.c:166
static int cache_get(SVCXPRT *, struct rpc_msg *, char **, size_t *)
Definition: svc_dg.c:533
static const char svc_dg_str[]
Definition: svc_dg.c:89
static const char cache_set_err2[]
Definition: svc_dg.c:439
mutex_t dupreq_lock
Definition: mt_misc.c:59
#define MEMZERO(addr, type, size)
Definition: svc_dg.c:324
static bool_t svc_dg_freeargs(SVCXPRT *, xdrproc_t, void *)
Definition: svc_dg.c:241
#define CACHE_LOC(transp, xid)
Definition: svc_dg.c:371
#define su_data(xprt)
Definition: svc_dg.c:61
static bool_t svc_dg_control(SVCXPRT *, const u_int, void *)
Definition: svc_dg.c:275
static bool_t svc_dg_reply(SVCXPRT *, struct rpc_msg *)
Definition: svc_dg.c:206
static const char cache_set_err3[]
Definition: svc_dg.c:440
static const char cache_enable_str[]
Definition: svc_dg.c:381
static const char svc_dg_err2[]
Definition: svc_dg.c:91
static const char __no_mem_str[]
Definition: svc_dg.c:92
static const char cache_set_str[]
Definition: svc_dg.c:437
#define ALLOC(type, size)
Definition: svc_dg.c:321
static void svc_dg_ops(SVCXPRT *)
Definition: svc_dg.c:284
static void svc_dg_destroy(SVCXPRT *)
Definition: svc_dg.c:253
static bool_t svc_dg_getargs(SVCXPRT *, xdrproc_t, void *)
Definition: svc_dg.c:232
SVCXPRT * svc_dg_create(int fd, u_int sendsize, u_int recvsize)
Definition: svc_dg.c:95
static enum xprt_stat svc_dg_stat(SVCXPRT *)
Definition: svc_dg.c:159
static const char cache_set_err1[]
Definition: svc_dg.c:438
#define SPARSENESS
Definition: svc_dg.c:319
#define MAX(a, b)
Definition: svc_dg.c:65
#define SOCKET_ERROR
Definition: winsock.h:333
@ XDR_DECODE
Definition: xdr.h:86
@ XDR_FREE
Definition: xdr.h:87
@ XDR_ENCODE
Definition: xdr.h:85
#define XDR_SETPOS(xdrs, pos)
Definition: xdr.h:204
#define XDR_DESTROY(xdrs)
Definition: xdr.h:214
bool_t(* xdrproc_t)(XDR *,...)
Definition: xdr.h:144
#define XDR_GETPOS(xdrs)
Definition: xdr.h:199
void xdrmem_create(XDR *xdrs, char *addr, u_int size, enum xdr_op op)
Definition: xdr_mem.c:94