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/*
* rrdns - Rapid Reverse DNS lookup plugin for the UBUS RPC server
*
* Copyright (C) 2016-2017 Jo-Philipp Wich <jo@mein.io>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <libubus.h>
#include <libubox/avl.h>
#include <libubox/uloop.h>
#define RRDNS_MAX_TIMEOUT 5000
#define RRDNS_DEF_TIMEOUT 250
#define RRDNS_MAX_LIMIT 1000
#define RRDNS_DEF_LIMIT 10
struct rrdns_request {
struct avl_node by_id;
struct avl_node by_addr;
uint16_t id;
uint16_t family;
union {
struct in_addr in;
struct in6_addr in6;
} addr;
};
struct rrdns_context {
struct ubus_context *context;
struct ubus_request_data request;
struct uloop_timeout timeout;
struct blob_attr *addr_cur;
int addr_rem;
struct uloop_fd socket;
struct blob_buf blob;
struct avl_tree request_ids;
struct avl_tree request_addrs;
};
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