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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 DNSREQUEST_H
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#define DNSREQUEST_H
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#include "if/net/net.h"
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//Essentially it is a safe interface to NetDnsRequest
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enum DNSRequestErr
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{
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__DNS_MIN = -0xFFFF,
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DNS_SETUP, //NetDnsRequest not properly configured
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DNS_IF, //If has problems, does not exist or is not initialized
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DNS_MEM, //Not enough mem
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DNS_INUSE, //If/Port is in use
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DNS_PROCESSING, //Req has not completed
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//...
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DNS_OK = 0
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};
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enum DNSReply
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{
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DNS_PRTCL,
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DNS_NOTFOUND, //Hostname is unknown
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DNS_ERROR, //Problem with DNS Service
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//...
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DNS_FOUND,
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};
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class DNSRequest
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{
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public:
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DNSRequest();
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~DNSRequest();
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DNSRequestErr resolve(const char* hostname);
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DNSRequestErr resolve(Host* pHost);
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class CDummy;
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void setOnReply( void (*pMethod)(DNSReply) );
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template<class T>
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void setOnReply( T* pItem, void (T::*pMethod)(DNSReply) )
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{
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m_pCbItem = (CDummy*) pItem;
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m_pCbMeth = (void (CDummy::*)(DNSReply)) pMethod;
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}
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DNSRequestErr getResult(IpAddr* pIp);
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DNSRequestErr close();
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protected:
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void onNetDnsReply(NetDnsReply r);
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DNSRequestErr checkInst();
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private:
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NetDnsRequest* m_pNetDnsRequest;
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CDummy* m_pCbItem;
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void (CDummy::*m_pCbMeth)(DNSReply);
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void (*m_pCb)(DNSReply);
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};
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#endif
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Donatien Garnier