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/*
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Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#ifndef LWIPNETDNSREQUEST_H
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#define LWIPNETDNSREQUEST_H
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#define NET_LWIP_STACK 1
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#include "if/net/netdnsrequest.h"
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//struct ip_addr_t;
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#include "lwip/ip_addr.h"
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class LwipNetDnsRequest : public NetDnsRequest
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{
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public:
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LwipNetDnsRequest(const char* hostname);
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LwipNetDnsRequest(Host* pHost);
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virtual ~LwipNetDnsRequest();
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//Execute request & return OK if found, NOTFOUND or ERROR on error, or PROCESSING if the request has not completed yet
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virtual void poll();
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virtual void close();
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protected:
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void foundCb(const char *name, ip_addr_t *ipaddr);
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private:
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enum LwipNetDnsState
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{
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LWIPNETDNS_START,
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LWIPNETDNS_PROCESSING, //Req has not completed
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LWIPNETDNS_NOTFOUND,
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LWIPNETDNS_ERROR,
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LWIPNETDNS_OK
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};
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LwipNetDnsState m_state;
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bool m_cbFired;
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//Static callbacks : Transforms into a C++ callback
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static void sFoundCb(const char *name, ip_addr_t *ipaddr, void *arg);
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bool m_closing;
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};
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#endif
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Robert Cook