The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/rpc/replay.h

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
    3  * Authors: Doug Rabson <dfr@rabson.org>
    4  * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  * $FreeBSD: stable/11/sys/rpc/replay.h 184588 2008-11-03 10:38:00Z dfr $
   28  */
   29 
   30 #ifndef _RPC_REPLAY_H
   31 #define _RPC_REPLAY_H
   32 
   33 enum replay_state {
   34         RS_NEW,                 /* new request - caller should execute */
   35         RS_DONE,                /* request was executed and reply sent */
   36         RS_INPROGRESS,          /* request is being executed now */
   37         RS_ERROR                /* allocation or other failure */
   38 };
   39 
   40 struct replay_cache;
   41 
   42 /*
   43  * Create a new replay cache.
   44  */
   45 struct replay_cache     *replay_newcache(size_t);
   46 
   47 /*
   48  * Set the replay cache size.
   49  */
   50 void                    replay_setsize(struct replay_cache *, size_t);
   51 
   52 /*
   53  * Free a replay cache. Caller must ensure that no cache entries are
   54  * in-progress.
   55  */
   56 void                    replay_freecache(struct replay_cache *rc);
   57 
   58 /*
   59  * Check a replay cache for a message from a given address.
   60  *
   61  * If this is a new request, RS_NEW is returned. Caller should call
   62  * replay_setreply with the results of the request.
   63  *
   64  * If this is a request which is currently executing
   65  * (i.e. replay_setreply hasn't been called for it yet), RS_INPROGRESS
   66  * is returned. The caller should silently drop the request.
   67  *
   68  * If a reply to this message already exists, *repmsg and *mp are set
   69  * to point at the reply and, RS_DONE is returned. The caller should
   70  * re-send this reply.
   71  *
   72  * If the attempt to update the replay cache or copy a replay failed
   73  * for some reason (typically memory shortage), RS_ERROR is returned.
   74  */
   75 enum replay_state       replay_find(struct replay_cache *rc,
   76     struct rpc_msg *msg, struct sockaddr *addr,
   77     struct rpc_msg *repmsg, struct mbuf **mp);
   78 
   79 /*
   80  * Call this after executing a request to record the reply.
   81  */
   82 void                    replay_setreply(struct replay_cache *rc,
   83     struct rpc_msg *repmsg,  struct sockaddr *addr, struct mbuf *m);
   84 
   85 #endif /* !_RPC_REPLAY_H */

Cache object: 3ac7ac4c0239fd3f1b058154b5ada3d2


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.