![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Embedded C project:18/12/2014
Dependencies: DS1307 TextLCD mbed
Diff: NetServices/if/net/netdnsrequest.h
- Revision:
- 0:8d87bc453349
diff -r 000000000000 -r 8d87bc453349 NetServices/if/net/netdnsrequest.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NetServices/if/net/netdnsrequest.h Thu Dec 18 09:35:49 2014 +0000 @@ -0,0 +1,84 @@ + +/* +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. +*/ + +#ifndef NETDNSREQUEST_H +#define NETDNSREQUEST_H + +//class Socket; +class Host; +//class NetService; +class NetDnsRequest; + +#include "netservice.h" +#include "ipaddr.h" +#include "host.h" + +enum NetDnsReply +{ + NETDNS_PRTCL, + NETDNS_NOTFOUND, //Hostname is unknown + NETDNS_ERROR, //Problem with DNS Service + //... + NETDNS_FOUND, +}; + +class NetDnsRequest : public NetService +{ +public: + NetDnsRequest(const char* hostname); + NetDnsRequest(Host* pHost); + virtual ~NetDnsRequest(); + + class CDummy; + template<class T> + //Linker bug : Must be defined here :( + void setOnReply( T* pItem, void (T::*pMethod)(NetDnsReply) ) + { + m_pCbItem = (CDummy*) pItem; + m_pCbMeth = (void (CDummy::*)(NetDnsReply)) pMethod; + } + + //Execute request & return OK if found, NOTFOUND or ERROR on error, or PROCESSING if the request has not completed yet + // virtual DnsErr pollState() = 0; + virtual void poll() = 0; //NetService fn + + void getResult(IpAddr* pIp); + + virtual void close(); + +protected: + void onReply(NetDnsReply reply); //Must be called by impl when the request completes + + IpAddr m_ip; + char* m_hostname; + +private: + CDummy* m_pCbItem; + void (CDummy::*m_pCbMeth)(NetDnsReply); + + Host* m_pHost; + + bool m_closed; +}; + +#endif