Line | |
---|
1 | // Arduino DNS client for WizNet5100-based Ethernet shield
|
---|
2 | // (c) Copyright 2009-2010 MCQN Ltd.
|
---|
3 | // Released under Apache License, version 2.0
|
---|
4 |
|
---|
5 | #ifndef DNSClient_h
|
---|
6 | #define DNSClient_h
|
---|
7 |
|
---|
8 | #include <EthernetUdp2.h>
|
---|
9 |
|
---|
10 | class DNSClient
|
---|
11 | {
|
---|
12 | public:
|
---|
13 | // ctor
|
---|
14 | void begin(const IPAddress& aDNSServer);
|
---|
15 |
|
---|
16 | /** Convert a numeric IP address string into a four-byte IP address.
|
---|
17 | @param aIPAddrString IP address to convert
|
---|
18 | @param aResult IPAddress structure to store the returned IP address
|
---|
19 | @result 1 if aIPAddrString was successfully converted to an IP address,
|
---|
20 | else error code
|
---|
21 | */
|
---|
22 | int inet_aton(const char *aIPAddrString, IPAddress& aResult);
|
---|
23 |
|
---|
24 | /** Resolve the given hostname to an IP address.
|
---|
25 | @param aHostname Name to be resolved
|
---|
26 | @param aResult IPAddress structure to store the returned IP address
|
---|
27 | @result 1 if aIPAddrString was successfully converted to an IP address,
|
---|
28 | else error code
|
---|
29 | */
|
---|
30 | int getHostByName(const char* aHostname, IPAddress& aResult);
|
---|
31 |
|
---|
32 | protected:
|
---|
33 | uint16_t BuildRequest(const char* aName);
|
---|
34 | uint16_t ProcessResponse(uint16_t aTimeout, IPAddress& aAddress);
|
---|
35 |
|
---|
36 | IPAddress iDNSServer;
|
---|
37 | uint16_t iRequestId;
|
---|
38 | EthernetUDP iUdp;
|
---|
39 | };
|
---|
40 |
|
---|
41 | #endif
|
---|
Note:
See
TracBrowser
for help on using the repository browser.