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HTTPClient using static IP
Diff: NetServices/api/DNSRequest.cpp
- Revision:
- 0:d8f2f7d5f31b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NetServices/api/DNSRequest.cpp Mon May 30 11:53:37 2011 +0000 @@ -0,0 +1,115 @@ + +/* +Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +*/ + +#include "DNSRequest.h" +#include "if/net/netdnsrequest.h" + +DNSRequest::DNSRequest() : m_pNetDnsRequest(NULL), m_pCbItem(NULL), m_pCbMeth(NULL), m_pCb(NULL) +{ + +} + +DNSRequest::~DNSRequest() +{ + close(); +} + +DNSRequestErr DNSRequest::resolve(const char* hostname) +{ + if(!m_pNetDnsRequest) + { + m_pNetDnsRequest = Net::dnsRequest(hostname); + if(!m_pNetDnsRequest) + { + return DNS_IF; //Interface did not return a NetDnsRequest (usually because a default interface does not exist) + } + m_pNetDnsRequest->setOnReply(this, &DNSRequest::onNetDnsReply); + return DNS_OK; + } + else + { + return DNS_INUSE; //The previous req has not completed + } +} + +DNSRequestErr DNSRequest::resolve(Host* pHost) +{ + if(!m_pNetDnsRequest) + { + m_pNetDnsRequest = Net::dnsRequest(pHost); + if(!m_pNetDnsRequest) + { + return DNS_IF; //Interface did not return a NetDnsRequest (usually because a default interface does not exist) + } + m_pNetDnsRequest->setOnReply(this, &DNSRequest::onNetDnsReply); + return DNS_OK; + } + else + { + return DNS_INUSE; //The previous req has not completed + } +} + +//Callbacks +void DNSRequest::setOnReply( void (*pMethod)(DNSReply) ) +{ + m_pCb = pMethod; +} + +#if 0 //For doc only +template<class T> +void DNSRequest::setOnReply( T* pItem, void (T::*pMethod)(DNSReply) ) +{ + m_pCbItem = (CDummy*) pItem; + m_pCbMeth = (void (CDummy::*)(DNSReply)) pMethod; +} +#endif + +DNSRequestErr DNSRequest::getResult(IpAddr* pIp) +{ + if(!m_pNetDnsRequest) + { + return DNS_SETUP; + } + m_pNetDnsRequest->getResult(pIp); + return DNS_OK; +} + +DNSRequestErr DNSRequest::close() +{ + if(!m_pNetDnsRequest) + { + return DNS_SETUP; + } + m_pNetDnsRequest->close(); + m_pNetDnsRequest = NULL; + return DNS_OK; +} + +void DNSRequest::onNetDnsReply(NetDnsReply r) +{ + if(m_pCbItem && m_pCbMeth) + (m_pCbItem->*m_pCbMeth)((DNSReply) r); + else if(m_pCb) + m_pCb((DNSReply) r); +}