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KL25 driver for Tango Control System
DNSClient/DNSClient.h
- Committer:
- jskl
- Date:
- 2014-08-25
- Revision:
- 0:5d27c333afa6
File content as of revision 0:5d27c333afa6:
// DNSClient.h 2013/4/5 #pragma once #include "UDPSocket.h" class DNSClient { public: DNSClient(const char* hostname = NULL); DNSClient(Endpoint* pHost); virtual ~DNSClient(); bool lookup(const char* hostname = NULL); uint32_t ip; protected: void poll(); void callback(); 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_interval; int m_retry; const char* m_hostname; private: enum MyNetDnsState { MYNETDNS_START, MYNETDNS_PROCESSING, //Req has not completed MYNETDNS_NOTFOUND, MYNETDNS_ERROR, MYNETDNS_OK }; MyNetDnsState m_state; UDPSocket *m_udp; };