diff options
| author | Cristian Maglie <c.maglie@bug.st> | 2012-01-04 15:14:51 +0100 |
|---|---|---|
| committer | Cristian Maglie <c.maglie@bug.st> | 2012-01-04 15:14:51 +0100 |
| commit | 8c2b5b979a75d109ae7cc306afc50d7ffe1e0366 (patch) | |
| tree | 19ac8d91c7209397e7dc890b432a254ae9a7cd62 /libraries/Ethernet/Dns.h | |
| parent | be52c95820400d48e47615232d3c38236166fad3 (diff) | |
Moved libraries folder inside platform folder. Now libraries and examples are searched per board/platform
Diffstat (limited to 'libraries/Ethernet/Dns.h')
| -rw-r--r-- | libraries/Ethernet/Dns.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libraries/Ethernet/Dns.h b/libraries/Ethernet/Dns.h new file mode 100644 index 0000000..6bcb98a --- /dev/null +++ b/libraries/Ethernet/Dns.h @@ -0,0 +1,41 @@ +// Arduino DNS client for WizNet5100-based Ethernet shield
+// (c) Copyright 2009-2010 MCQN Ltd.
+// Released under Apache License, version 2.0
+
+#ifndef DNSClient_h
+#define DNSClient_h
+
+#include <EthernetUdp.h>
+
+class DNSClient
+{
+public:
+ // ctor
+ void begin(const IPAddress& aDNSServer);
+
+ /** Convert a numeric IP address string into a four-byte IP address.
+ @param aIPAddrString IP address to convert
+ @param aResult IPAddress structure to store the returned IP address
+ @result 1 if aIPAddrString was successfully converted to an IP address,
+ else error code
+ */
+ int inet_aton(const char *aIPAddrString, IPAddress& aResult);
+
+ /** Resolve the given hostname to an IP address.
+ @param aHostname Name to be resolved
+ @param aResult IPAddress structure to store the returned IP address
+ @result 1 if aIPAddrString was successfully converted to an IP address,
+ else error code
+ */
+ int getHostByName(const char* aHostname, IPAddress& aResult);
+
+protected:
+ uint16_t BuildRequest(const char* aName);
+ uint16_t ProcessResponse(uint16_t aTimeout, IPAddress& aAddress);
+
+ IPAddress iDNSServer;
+ uint16_t iRequestId;
+ EthernetUDP iUdp;
+};
+
+#endif
|