Diff: EthernetNetIf/LPC1768/if/net/netdnsrequest.h

Revision:

0:f76708a93fb3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EthernetNetIf/LPC1768/if/net/netdnsrequest.h	Sat Oct 15 14:15:55 2011 +0000
@@ -0,0 +1,84 @@
+
+/*
+Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
+ 
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+ 
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+ 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef NETDNSREQUEST_H
+#define NETDNSREQUEST_H
+
+//class Socket;
+class Host;
+//class NetService;
+class NetDnsRequest;
+
+#include "netservice.h"
+#include "ipaddr.h"
+#include "host.h"
+
+enum NetDnsReply
+{
+  NETDNS_PRTCL,
+  NETDNS_NOTFOUND, //Hostname is unknown
+  NETDNS_ERROR, //Problem with DNS Service
+  //...
+  NETDNS_FOUND,
+};
+
+class NetDnsRequest : public NetService
+{
+public:
+  NetDnsRequest(const char* hostname);
+  NetDnsRequest(Host* pHost);
+  virtual ~NetDnsRequest();
+  
+  class CDummy;
+  template<class T> 
+  //Linker bug : Must be defined here :(
+  void setOnReply( T* pItem, void (T::*pMethod)(NetDnsReply) )
+  {
+    m_pCbItem = (CDummy*) pItem;
+    m_pCbMeth = (void (CDummy::*)(NetDnsReply)) pMethod;
+  }
+  
+  //Execute request & return OK if found, NOTFOUND or ERROR on error, or PROCESSING if the request has not completed yet
+ // virtual DnsErr pollState() = 0;
+  virtual void poll() = 0; //NetService fn
+  
+  void getResult(IpAddr* pIp);
+  
+  virtual void close();
+  
+protected:
+  void onReply(NetDnsReply reply); //Must be called by impl when the request completes
+  
+  IpAddr m_ip;
+  char* m_hostname;
+
+private:  
+  CDummy* m_pCbItem;
+  void (CDummy::*m_pCbMeth)(NetDnsReply);
+  
+  Host* m_pHost;
+  
+  bool m_closed;
+};
+
+#endif