MQTT client test with W5200 ethernet shield
Dependents: IBMIoTClientEthernetExample_W5200
Fork of W5500Interface by
DNSClient/DNSClient.h
- Committer:
- hillkim7
- Date:
- 2014-12-25
- Revision:
- 11:313e091ab3f9
- Parent:
- 0:e11e8793c3ce
File content as of revision 11:313e091ab3f9:
// 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; };