Leest de waarde van een sensor binnen een maakt deze beschikbaar via internet
Dependencies: NTPClient_NetServices mbed
NetServices/api/DNSRequest.cpp
- Committer:
- hendrikvincent
- Date:
- 2013-12-02
- Revision:
- 0:05ccbd4f84f1
File content as of revision 0:05ccbd4f84f1:
/* 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); }