mirror of https://github.com/getdnsapi/getdns.git
89 lines
3.5 KiB
C
89 lines
3.5 KiB
C
/**
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*
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* \file general.h
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* @brief getdns_general and related support functions
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*
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* This is the meat of the API
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* Originally taken from the getdns API description pseudo implementation.
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*
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*/
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/*
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* Copyright (c) 2013, NLnet Labs, Verisign, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the names of the copyright holders nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL Verisign, Inc. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _GETDNS_GENERAL_H_
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#define _GETDNS_GENERAL_H_
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#include "getdns/getdns.h"
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#include "types-internal.h"
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/* private inner helper used by sync and async */
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#define DNS_REQ_FINISHED -1
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void _getdns_call_user_callback(getdns_dns_req *, getdns_dict *);
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/* Change state of the netreq req.
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* - Increments context->netreqs_in_flight
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* when state changes from NOT_SENT to IN_FLIGHT
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* - Decrements context->netreqs_in_flight
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* when state changes from IN_FLIGHT to FINISHED, TIMED_OUT or ERRORED
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* - Resubmits NOT_SENT netreqs from context->pending_netreqs,
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* when # pending_netreqs < limit_outstanding_queries
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*/
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void _getdns_netreq_change_state(
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getdns_network_req *netreq, network_req_state new_state);
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void _getdns_check_dns_req_complete(getdns_dns_req *dns_req);
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int _getdns_submit_netreq(getdns_network_req *netreq, uint64_t *now_ms);
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getdns_return_t
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_getdns_general_loop(getdns_context *context, getdns_eventloop *loop,
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const char *name, uint16_t request_type, getdns_dict *extensions,
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void *userarg, getdns_network_req **netreq_p,
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getdns_callback_t callbackfn, internal_cb_t internal_cb);
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getdns_return_t
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_getdns_address_loop(getdns_context *context, getdns_eventloop *loop,
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const char *name, getdns_dict *extensions,
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void *userarg, getdns_transaction_t *transaction_id,
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getdns_callback_t callbackfn);
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getdns_return_t
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_getdns_hostname_loop(getdns_context *context, getdns_eventloop *loop,
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getdns_dict *address, getdns_dict *extensions,
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void *userarg, getdns_transaction_t *transaction_id,
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getdns_callback_t callbackfn);
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getdns_return_t
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_getdns_service_loop(getdns_context *context, getdns_eventloop *loop,
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const char *name, getdns_dict *extensions,
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void *userarg, getdns_transaction_t *transaction_id,
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getdns_callback_t callbackfn);
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#endif
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