Darran Shepherd
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AutoIpNetStack
Net stack with AutoIP enabled
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DNSRequest.h
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 #ifndef DNSREQUEST_H 00025 #define DNSREQUEST_H 00026 00027 #include "if/net/net.h" 00028 //Essentially it is a safe interface to NetDnsRequest 00029 00030 enum DNSRequestErr 00031 { 00032 __DNS_MIN = -0xFFFF, 00033 DNS_SETUP, //NetDnsRequest not properly configured 00034 DNS_IF, //If has problems, does not exist or is not initialized 00035 DNS_MEM, //Not enough mem 00036 DNS_INUSE, //If/Port is in use 00037 DNS_PROCESSING, //Req has not completed 00038 //... 00039 DNS_OK = 0 00040 }; 00041 00042 enum DNSReply 00043 { 00044 DNS_PRTCL, 00045 DNS_NOTFOUND, //Hostname is unknown 00046 DNS_ERROR, //Problem with DNS Service 00047 //... 00048 DNS_FOUND, 00049 }; 00050 00051 class DNSRequest 00052 { 00053 public: 00054 DNSRequest(); 00055 ~DNSRequest(); 00056 00057 DNSRequestErr resolve(const char* hostname); 00058 DNSRequestErr resolve(Host* pHost); 00059 00060 class CDummy; 00061 void setOnReply( void (*pMethod)(DNSReply) ); 00062 template<class T> 00063 void setOnReply( T* pItem, void (T::*pMethod)(DNSReply) ) 00064 { 00065 m_pCbItem = (CDummy*) pItem; 00066 m_pCbMeth = (void (CDummy::*)(DNSReply)) pMethod; 00067 } 00068 00069 DNSRequestErr getResult(IpAddr* pIp); 00070 00071 DNSRequestErr close(); 00072 00073 protected: 00074 void onNetDnsReply(NetDnsReply r); 00075 DNSRequestErr checkInst(); 00076 00077 private: 00078 NetDnsRequest* m_pNetDnsRequest; 00079 00080 CDummy* m_pCbItem; 00081 void (CDummy::*m_pCbMeth)(DNSReply); 00082 00083 void (*m_pCb)(DNSReply); 00084 00085 }; 00086 00087 #endif
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