Darran Shepherd
/
AutoIpNetStack
Net stack with AutoIP enabled
Embed:
(wiki syntax)
Show/hide line numbers
DNSRequest.cpp
00001 00002 /* 00003 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) 00004 00005 Permission is hereby granted, free of charge, to any person obtaining a copy 00006 of this software and associated documentation files (the "Software"), to deal 00007 in the Software without restriction, including without limitation the rights 00008 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00009 copies of the Software, and to permit persons to whom the Software is 00010 furnished to do so, subject to the following conditions: 00011 00012 The above copyright notice and this permission notice shall be included in 00013 all copies or substantial portions of the Software. 00014 00015 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00016 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00017 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00018 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00019 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00020 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00021 THE SOFTWARE. 00022 */ 00023 00024 #include "DNSRequest.h" 00025 00026 DNSRequest::DNSRequest() : m_pNetDnsRequest(NULL), m_pCbItem(NULL), m_pCbMeth(NULL), m_pCb(NULL) 00027 { 00028 00029 } 00030 00031 DNSRequest::~DNSRequest() 00032 { 00033 close(); 00034 } 00035 00036 DNSRequestErr DNSRequest::resolve(const char* hostname) 00037 { 00038 if(!m_pNetDnsRequest) 00039 { 00040 m_pNetDnsRequest = Net::dnsRequest(hostname); 00041 if(!m_pNetDnsRequest) 00042 { 00043 return DNS_IF; //Interface did not return a NetDnsRequest (usually because a default interface does not exist) 00044 } 00045 m_pNetDnsRequest->setOnReply(this, &DNSRequest::onNetDnsReply); 00046 return DNS_OK; 00047 } 00048 else 00049 { 00050 return DNS_INUSE; //The previous req has not completed 00051 } 00052 } 00053 00054 DNSRequestErr DNSRequest::resolve(Host* pHost) 00055 { 00056 if(!m_pNetDnsRequest) 00057 { 00058 m_pNetDnsRequest = Net::dnsRequest(pHost); 00059 if(!m_pNetDnsRequest) 00060 { 00061 return DNS_IF; //Interface did not return a NetDnsRequest (usually because a default interface does not exist) 00062 } 00063 m_pNetDnsRequest->setOnReply(this, &DNSRequest::onNetDnsReply); 00064 return DNS_OK; 00065 } 00066 else 00067 { 00068 return DNS_INUSE; //The previous req has not completed 00069 } 00070 } 00071 00072 //Callbacks 00073 void DNSRequest::setOnReply( void (*pMethod)(DNSReply) ) 00074 { 00075 m_pCb = pMethod; 00076 } 00077 00078 #if 0 //For doc only 00079 template<class T> 00080 void DNSRequest::setOnReply( T* pItem, void (T::*pMethod)(DNSReply) ) 00081 { 00082 m_pCbItem = (CDummy*) pItem; 00083 m_pCbMeth = (void (CDummy::*)(DNSReply)) pMethod; 00084 } 00085 #endif 00086 00087 DNSRequestErr DNSRequest::getResult(IpAddr* pIp) 00088 { 00089 if(!m_pNetDnsRequest) 00090 { 00091 return DNS_SETUP; 00092 } 00093 m_pNetDnsRequest->getResult(pIp); 00094 return DNS_OK; 00095 } 00096 00097 DNSRequestErr DNSRequest::close() 00098 { 00099 if(!m_pNetDnsRequest) 00100 { 00101 return DNS_SETUP; 00102 } 00103 m_pNetDnsRequest->close(); 00104 m_pNetDnsRequest = NULL; 00105 return DNS_OK; 00106 } 00107 00108 void DNSRequest::onNetDnsReply(NetDnsReply r) 00109 { 00110 if(m_pCbItem && m_pCbMeth) 00111 (m_pCbItem->*m_pCbMeth)((DNSReply) r); 00112 else if(m_pCb) 00113 m_pCb((DNSReply) r); 00114 }
Generated on Tue Jul 12 2022 15:37:03 by 1.7.2