W5200(WIZ820io) network interface
MyNetDnsRequest.h
- Committer:
- va009039
- Date:
- 2012-04-14
- Revision:
- 0:61831b843b44
- Child:
- 2:a8df39b4f3aa
File content as of revision 0:61831b843b44:
// MyNetDnsRequest.h 2012/4/13 #ifndef MYNETDNSREQUEST_H #define MYNETDNSREQUEST_H #include "if/net/netdnsrequest.h" #include "UDPSocket.h" class MyNetDnsRequest : public NetDnsRequest { public: MyNetDnsRequest(const char* hostname); MyNetDnsRequest(Host* pHost); virtual ~MyNetDnsRequest(); virtual void poll(); virtual void close(); protected: void callback(UDPSocketEvent e); int response(uint8_t buf[], int size); int query(uint8_t buf[], int size, const char* hostname); void resolve(const char* hostname); uint8_t m_id[2]; Timer m_timer; private: enum MyNetDnsState { MYNETDNS_START, MYNETDNS_PROCESSING, //Req has not completed MYNETDNS_NOTFOUND, MYNETDNS_ERROR, MYNETDNS_OK }; MyNetDnsState m_state; bool m_cbFired; bool m_closing; UDPSocket *m_udp; }; #endif //MYNETDNSREQUEST_H