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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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#include "DNSRequest.h"
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#include "if/net/netdnsrequest.h"
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DNSRequest::DNSRequest() : m_pNetDnsRequest(NULL), m_pCbItem(NULL), m_pCbMeth(NULL), m_pCb(NULL)
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{
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}
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DNSRequest::~DNSRequest()
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{
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close();
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}
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DNSRequestErr DNSRequest::resolve(const char* hostname)
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{
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if(!m_pNetDnsRequest)
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{
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m_pNetDnsRequest = Net::dnsRequest(hostname);
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if(!m_pNetDnsRequest)
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{
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return DNS_IF; //Interface did not return a NetDnsRequest (usually because a default interface does not exist)
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}
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m_pNetDnsRequest->setOnReply(this, &DNSRequest::onNetDnsReply);
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return DNS_OK;
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}
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else
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{
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return DNS_INUSE; //The previous req has not completed
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}
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}
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DNSRequestErr DNSRequest::resolve(Host* pHost)
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{
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if(!m_pNetDnsRequest)
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{
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m_pNetDnsRequest = Net::dnsRequest(pHost);
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if(!m_pNetDnsRequest)
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{
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return DNS_IF; //Interface did not return a NetDnsRequest (usually because a default interface does not exist)
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}
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m_pNetDnsRequest->setOnReply(this, &DNSRequest::onNetDnsReply);
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return DNS_OK;
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}
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else
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{
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return DNS_INUSE; //The previous req has not completed
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}
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}
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//Callbacks
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void DNSRequest::setOnReply( void (*pMethod)(DNSReply) )
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{
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m_pCb = pMethod;
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}
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#if 0 //For doc only
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template<class T>
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void DNSRequest::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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#endif
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DNSRequestErr DNSRequest::getResult(IpAddr* pIp)
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{
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if(!m_pNetDnsRequest)
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{
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return DNS_SETUP;
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}
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m_pNetDnsRequest->getResult(pIp);
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return DNS_OK;
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}
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DNSRequestErr DNSRequest::close()
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{
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if(!m_pNetDnsRequest)
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{
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return DNS_SETUP;
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}
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m_pNetDnsRequest->close();
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m_pNetDnsRequest = NULL;
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return DNS_OK;
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}
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void DNSRequest::onNetDnsReply(NetDnsReply r)
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{
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if(m_pCbItem && m_pCbMeth)
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(m_pCbItem->*m_pCbMeth)((DNSReply) r);
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else if(m_pCb)
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m_pCb((DNSReply) r);
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}
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Daniel Peter