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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 NETDNSREQUEST_H
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#define NETDNSREQUEST_H
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//class Socket;
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class Host;
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//class NetService;
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class NetDnsRequest;
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#include "netservice.h"
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#include "ipaddr.h"
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#include "host.h"
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enum NetDnsReply
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{
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NETDNS_PRTCL,
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NETDNS_NOTFOUND, //Hostname is unknown
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NETDNS_ERROR, //Problem with DNS Service
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//...
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NETDNS_FOUND,
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};
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class NetDnsRequest : public NetService
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{
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public:
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NetDnsRequest(const char* hostname);
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NetDnsRequest(Host* pHost);
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virtual ~NetDnsRequest();
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class CDummy;
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template<class T>
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//Linker bug : Must be defined here :(
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void setOnReply( T* pItem, void (T::*pMethod)(NetDnsReply) )
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{
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m_pCbItem = (CDummy*) pItem;
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m_pCbMeth = (void (CDummy::*)(NetDnsReply)) pMethod;
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}
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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 DnsErr pollState() = 0;
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virtual void poll() = 0; //NetService fn
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void getResult(IpAddr* pIp);
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virtual void close();
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protected:
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void onReply(NetDnsReply reply); //Must be called by impl when the request completes
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IpAddr m_ip;
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char* m_hostname;
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private:
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CDummy* m_pCbItem;
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void (CDummy::*m_pCbMeth)(NetDnsReply);
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Host* m_pHost;
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bool m_closed;
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};
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#endif
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Robert Cook