Simon Ford / NetServices

Version of http://mbed.org/cookbook/NetServicesTribute with setting set the same for LPC2368

Dependents:   UDPSocketExample 24LCxx_I2CApp WeatherPlatform_pachube HvZServerLib ... more

if/net/netdnsrequest.h@0:350011bf8be7, 2010-11-23 (annotated)

Committer:
simon
Date:
Tue Nov 23 14:15:36 2010 +0000
Revision:
0:350011bf8be7
Experimental version for testing UDP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon 0:350011bf8be7 1
simon 0:350011bf8be7 2 /*
simon 0:350011bf8be7 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
simon 0:350011bf8be7 4
simon 0:350011bf8be7 5 Permission is hereby granted, free of charge, to any person obtaining a copy
simon 0:350011bf8be7 6 of this software and associated documentation files (the "Software"), to deal
simon 0:350011bf8be7 7 in the Software without restriction, including without limitation the rights
simon 0:350011bf8be7 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
simon 0:350011bf8be7 9 copies of the Software, and to permit persons to whom the Software is
simon 0:350011bf8be7 10 furnished to do so, subject to the following conditions:
simon 0:350011bf8be7 11
simon 0:350011bf8be7 12 The above copyright notice and this permission notice shall be included in
simon 0:350011bf8be7 13 all copies or substantial portions of the Software.
simon 0:350011bf8be7 14
simon 0:350011bf8be7 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
simon 0:350011bf8be7 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
simon 0:350011bf8be7 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
simon 0:350011bf8be7 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
simon 0:350011bf8be7 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
simon 0:350011bf8be7 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
simon 0:350011bf8be7 21 THE SOFTWARE.
simon 0:350011bf8be7 22 */
simon 0:350011bf8be7 23
simon 0:350011bf8be7 24 #ifndef NETDNSREQUEST_H
simon 0:350011bf8be7 25 #define NETDNSREQUEST_H
simon 0:350011bf8be7 26
simon 0:350011bf8be7 27 //class Socket;
simon 0:350011bf8be7 28 class Host;
simon 0:350011bf8be7 29 //class NetService;
simon 0:350011bf8be7 30 class NetDnsRequest;
simon 0:350011bf8be7 31
simon 0:350011bf8be7 32 #include "netservice.h"
simon 0:350011bf8be7 33 #include "ipaddr.h"
simon 0:350011bf8be7 34 #include "host.h"
simon 0:350011bf8be7 35
simon 0:350011bf8be7 36 enum NetDnsReply
simon 0:350011bf8be7 37 {
simon 0:350011bf8be7 38 NETDNS_PRTCL,
simon 0:350011bf8be7 39 NETDNS_NOTFOUND, //Hostname is unknown
simon 0:350011bf8be7 40 NETDNS_ERROR, //Problem with DNS Service
simon 0:350011bf8be7 41 //...
simon 0:350011bf8be7 42 NETDNS_FOUND,
simon 0:350011bf8be7 43 };
simon 0:350011bf8be7 44
simon 0:350011bf8be7 45 class NetDnsRequest : public NetService
simon 0:350011bf8be7 46 {
simon 0:350011bf8be7 47 public:
simon 0:350011bf8be7 48 NetDnsRequest(const char* hostname);
simon 0:350011bf8be7 49 NetDnsRequest(Host* pHost);
simon 0:350011bf8be7 50 virtual ~NetDnsRequest();
simon 0:350011bf8be7 51
simon 0:350011bf8be7 52 class CDummy;
simon 0:350011bf8be7 53 template<class T>
simon 0:350011bf8be7 54 //Linker bug : Must be defined here :(
simon 0:350011bf8be7 55 void setOnReply( T* pItem, void (T::*pMethod)(NetDnsReply) )
simon 0:350011bf8be7 56 {
simon 0:350011bf8be7 57 m_pCbItem = (CDummy*) pItem;
simon 0:350011bf8be7 58 m_pCbMeth = (void (CDummy::*)(NetDnsReply)) pMethod;
simon 0:350011bf8be7 59 }
simon 0:350011bf8be7 60
simon 0:350011bf8be7 61 //Execute request & return OK if found, NOTFOUND or ERROR on error, or PROCESSING if the request has not completed yet
simon 0:350011bf8be7 62 // virtual DnsErr pollState() = 0;
simon 0:350011bf8be7 63 virtual void poll() = 0; //NetService fn
simon 0:350011bf8be7 64
simon 0:350011bf8be7 65 void getResult(IpAddr* pIp);
simon 0:350011bf8be7 66
simon 0:350011bf8be7 67 virtual void close();
simon 0:350011bf8be7 68
simon 0:350011bf8be7 69 protected:
simon 0:350011bf8be7 70 void onReply(NetDnsReply reply); //Must be called by impl when the request completes
simon 0:350011bf8be7 71
simon 0:350011bf8be7 72 IpAddr m_ip;
simon 0:350011bf8be7 73 char* m_hostname;
simon 0:350011bf8be7 74
simon 0:350011bf8be7 75 private:
simon 0:350011bf8be7 76 CDummy* m_pCbItem;
simon 0:350011bf8be7 77 void (CDummy::*m_pCbMeth)(NetDnsReply);
simon 0:350011bf8be7 78
simon 0:350011bf8be7 79 Host* m_pHost;
simon 0:350011bf8be7 80
simon 0:350011bf8be7 81 bool m_closed;
simon 0:350011bf8be7 82 };
simon 0:350011bf8be7 83
simon 0:350011bf8be7 84 #endif