OpenBSD-4.6/usr.sbin/afs/src/arlad/poller.h

/*
 * Copyright (c) 2002, Stockholms Universitet
 * (Stockholm University, Stockholm Sweden)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the university nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _ARLA_POLLER_H
#define _ARLA_POLLER_H 1

typedef struct {
    uint32_t server; /* XXX replace with server ref entry */
    int32_t cell;
    int refcount;
    time_t timeout;
    heap_ptr heapptr;
} PollerEntry;

void
poller_init (void);

PollerEntry *
poller_add_conn(ConnCacheEntry *conn);

int32_t
poller_host2cell(uint32_t server);

typedef int (*poller_iter_func)(uint32_t cell, uint32_t conn, void *arg);

int
poller_foreach(poller_iter_func iter_func, void *arg);

#if 0
int32_t
poller_get_cell_by_uuid(afsUUID *server);
#endif

void
poller_remove(PollerEntry *e);

#endif /* _ARLA_POLLER_H */