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/*
* services/outbound_list.c - keep list of outbound serviced queries.
*
* Copyright (c) 2007, NLnet Labs. All rights reserved.
*
* This software is open source.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 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.
*
* Neither the name of the NLNET LABS 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
* HOLDER 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.
*/
/**
* \file
*
* This file contains functions to help a module keep track of the
* queries it has outstanding to authoritative servers.
*/
#include "config.h"
#include <sys/time.h>
#include "services/outbound_list.h"
#include "services/outside_network.h"
void
outbound_list_init(struct outbound_list* list)
{
list->first = NULL;
}
void
outbound_list_clear(struct outbound_list* list)
{
struct outbound_entry *p, *np;
p = list->first;
while(p) {
np = p->next;
outnet_serviced_query_stop(p->qsent, p);
/* in region, no free needed */
p = np;
}
outbound_list_init(list);
}
void
outbound_list_insert(struct outbound_list* list, struct outbound_entry* e)
{
if(list->first)
list->first->prev = e;
e->next = list->first;
e->prev = NULL;
list->first = e;
}
void
outbound_list_remove(struct outbound_list* list, struct outbound_entry* e)
{
if(!e)
return;
outnet_serviced_query_stop(e->qsent, e);
if(e->next)
e->next->prev = e->prev;
if(e->prev)
e->prev->next = e->next;
else list->first = e->next;
/* in region, no free needed */
}
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