Paul Staron / W5500-Interface

Fork of original library, increased Tx buffer to 16kB

Dependents:   W5500-SNTPClient-example

DNSClient/DNSClient.h@0:e9275bdfa393, 2019-05-02 (annotated)

Committer:
star297
Date:
Thu May 02 20:47:25 2019 +0000
Revision:
0:e9275bdfa393
First commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
star297 0:e9275bdfa393 1 // DNSClient.h 2013/4/5
star297 0:e9275bdfa393 2 #pragma once
star297 0:e9275bdfa393 3
star297 0:e9275bdfa393 4 #include "UDPSocket.h"
star297 0:e9275bdfa393 5
star297 0:e9275bdfa393 6 class DNSClient {
star297 0:e9275bdfa393 7 public:
star297 0:e9275bdfa393 8 DNSClient(const char* hostname = NULL);
star297 0:e9275bdfa393 9 DNSClient(Endpoint* pHost);
star297 0:e9275bdfa393 10 virtual ~DNSClient();
star297 0:e9275bdfa393 11 bool lookup(const char* hostname = NULL);
star297 0:e9275bdfa393 12 uint32_t ip;
star297 0:e9275bdfa393 13 protected:
star297 0:e9275bdfa393 14 void poll();
star297 0:e9275bdfa393 15 void callback();
star297 0:e9275bdfa393 16 int response(uint8_t buf[], int size);
star297 0:e9275bdfa393 17 int query(uint8_t buf[], int size, const char* hostname);
star297 0:e9275bdfa393 18 void resolve(const char* hostname);
star297 0:e9275bdfa393 19 uint8_t m_id[2];
star297 0:e9275bdfa393 20 Timer m_interval;
star297 0:e9275bdfa393 21 int m_retry;
star297 0:e9275bdfa393 22 const char* m_hostname;
star297 0:e9275bdfa393 23 private:
star297 0:e9275bdfa393 24 enum MyNetDnsState
star297 0:e9275bdfa393 25 {
star297 0:e9275bdfa393 26 MYNETDNS_START,
star297 0:e9275bdfa393 27 MYNETDNS_PROCESSING, //Req has not completed
star297 0:e9275bdfa393 28 MYNETDNS_NOTFOUND,
star297 0:e9275bdfa393 29 MYNETDNS_ERROR,
star297 0:e9275bdfa393 30 MYNETDNS_OK
star297 0:e9275bdfa393 31 };
star297 0:e9275bdfa393 32 MyNetDnsState m_state;
star297 0:e9275bdfa393 33 UDPSocket *m_udp;
star297 0:e9275bdfa393 34 };