Dependents:   SimpleLCDClock readCard2Twitter_http AnalogClock_StepperMotor_NTP ServoCamV1

Revision:
0:3717b703f76d
Child:
1:e52ec2a24c6a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/api/DnsRequest.h	Mon May 24 10:23:42 2010 +0000
@@ -0,0 +1,65 @@
+#ifndef DNSREQUEST_H
+#define DNSREQUEST_H
+
+#include "if/net/net.h"
+//Essentially it is a safe interface to NetDnsRequest
+
+enum DnsRequestErr
+{
+  __DNS_MIN = -0xFFFF,
+  DNS_SETUP, //NetDnsRequest not properly configured
+  DNS_IF, //If has problems, does not exist or is not initialized
+  DNS_MEM, //Not enough mem
+  DNS_INUSE, //If/Port is in use
+  DNS_PROCESSING, //Req has not completed
+//...
+  DNS_OK = 0
+};
+
+enum DnsReply
+{
+  DNS_PRTCL,
+  DNS_NOTFOUND, //Hostname is unknown
+  DNS_ERROR, //Problem with DNS Service
+  //...
+  DNS_FOUND,
+};
+
+class DnsRequest
+{
+public:
+  DnsRequest();
+  ~DnsRequest();
+  
+  DnsRequestErr resolve(const char* hostname);
+  DnsRequestErr resolve(Host* pHost);
+  
+  class CDummy;
+  void setOnReply( void (*pMethod)(DnsReply) );
+  template<class T> 
+  //Linker bug : Must be defined here :(
+  void setOnReply( T* pItem, void (T::*pMethod)(DnsReply) )
+  {
+    m_pCbItem = (CDummy*) pItem;
+    m_pCbMeth = (void (CDummy::*)(DnsReply)) pMethod;
+  }
+  
+  DnsRequestErr getResult(IpAddr* pIp);
+  
+  DnsRequestErr close();
+  
+protected:
+  void onNetDnsReply(NetDnsReply r);
+  DnsRequestErr checkInst();
+
+private:
+  NetDnsRequest* m_pNetDnsRequest;
+  
+  CDummy* m_pCbItem;
+  void (CDummy::*m_pCbMeth)(DnsReply);
+  
+  void (*m_pCb)(DnsReply);
+
+};
+
+#endif