Rahol Rajan / NetServices-Traffic

Used in Live Traffic Update Nokia LCD Display Project

Fork of NetServices by Segundo Equipo

if/net/netdnsrequest.h@8:92b57208ab99, 2013-03-06 (annotated)

Committer:
rrajan8
Date:
Wed Mar 06 19:07:23 2013 +0000
Revision:
8:92b57208ab99
Parent:
0:ac1725ba162c 
This project utilizes mbed's networking features to display live traffic updates on the Nokia LCD using the MapQuest API's Traffic Web Service.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
segundo 0:ac1725ba162c 1
segundo 0:ac1725ba162c 2 /*
segundo 0:ac1725ba162c 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
segundo 0:ac1725ba162c 4
segundo 0:ac1725ba162c 5 Permission is hereby granted, free of charge, to any person obtaining a copy
segundo 0:ac1725ba162c 6 of this software and associated documentation files (the "Software"), to deal
segundo 0:ac1725ba162c 7 in the Software without restriction, including without limitation the rights
segundo 0:ac1725ba162c 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
segundo 0:ac1725ba162c 9 copies of the Software, and to permit persons to whom the Software is
segundo 0:ac1725ba162c 10 furnished to do so, subject to the following conditions:
segundo 0:ac1725ba162c 11
segundo 0:ac1725ba162c 12 The above copyright notice and this permission notice shall be included in
segundo 0:ac1725ba162c 13 all copies or substantial portions of the Software.
segundo 0:ac1725ba162c 14
segundo 0:ac1725ba162c 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
segundo 0:ac1725ba162c 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
segundo 0:ac1725ba162c 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
segundo 0:ac1725ba162c 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
segundo 0:ac1725ba162c 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
segundo 0:ac1725ba162c 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
segundo 0:ac1725ba162c 21 THE SOFTWARE.
segundo 0:ac1725ba162c 22 */
segundo 0:ac1725ba162c 23
segundo 0:ac1725ba162c 24 #ifndef NETDNSREQUEST_H
segundo 0:ac1725ba162c 25 #define NETDNSREQUEST_H
segundo 0:ac1725ba162c 26
segundo 0:ac1725ba162c 27 //class Socket;
segundo 0:ac1725ba162c 28 class Host;
segundo 0:ac1725ba162c 29 //class NetService;
segundo 0:ac1725ba162c 30 class NetDnsRequest;
segundo 0:ac1725ba162c 31
segundo 0:ac1725ba162c 32 #include "netservice.h"
segundo 0:ac1725ba162c 33 #include "ipaddr.h"
segundo 0:ac1725ba162c 34 #include "host.h"
segundo 0:ac1725ba162c 35
segundo 0:ac1725ba162c 36 enum NetDnsReply
segundo 0:ac1725ba162c 37 {
segundo 0:ac1725ba162c 38 NETDNS_PRTCL,
segundo 0:ac1725ba162c 39 NETDNS_NOTFOUND, //Hostname is unknown
segundo 0:ac1725ba162c 40 NETDNS_ERROR, //Problem with DNS Service
segundo 0:ac1725ba162c 41 //...
segundo 0:ac1725ba162c 42 NETDNS_FOUND,
segundo 0:ac1725ba162c 43 };
segundo 0:ac1725ba162c 44
segundo 0:ac1725ba162c 45 class NetDnsRequest : public NetService
segundo 0:ac1725ba162c 46 {
segundo 0:ac1725ba162c 47 public:
segundo 0:ac1725ba162c 48 NetDnsRequest(const char* hostname);
segundo 0:ac1725ba162c 49 NetDnsRequest(Host* pHost);
segundo 0:ac1725ba162c 50 virtual ~NetDnsRequest();
segundo 0:ac1725ba162c 51
segundo 0:ac1725ba162c 52 class CDummy;
segundo 0:ac1725ba162c 53 template<class T>
segundo 0:ac1725ba162c 54 //Linker bug : Must be defined here :(
segundo 0:ac1725ba162c 55 void setOnReply( T* pItem, void (T::*pMethod)(NetDnsReply) )
segundo 0:ac1725ba162c 56 {
segundo 0:ac1725ba162c 57 m_pCbItem = (CDummy*) pItem;
segundo 0:ac1725ba162c 58 m_pCbMeth = (void (CDummy::*)(NetDnsReply)) pMethod;
segundo 0:ac1725ba162c 59 }
segundo 0:ac1725ba162c 60
segundo 0:ac1725ba162c 61 //Execute request & return OK if found, NOTFOUND or ERROR on error, or PROCESSING if the request has not completed yet
segundo 0:ac1725ba162c 62 // virtual DnsErr pollState() = 0;
segundo 0:ac1725ba162c 63 virtual void poll() = 0; //NetService fn
segundo 0:ac1725ba162c 64
segundo 0:ac1725ba162c 65 void getResult(IpAddr* pIp);
segundo 0:ac1725ba162c 66
segundo 0:ac1725ba162c 67 virtual void close();
segundo 0:ac1725ba162c 68
segundo 0:ac1725ba162c 69 protected:
segundo 0:ac1725ba162c 70 void onReply(NetDnsReply reply); //Must be called by impl when the request completes
segundo 0:ac1725ba162c 71
segundo 0:ac1725ba162c 72 IpAddr m_ip;
segundo 0:ac1725ba162c 73 char* m_hostname;
segundo 0:ac1725ba162c 74
segundo 0:ac1725ba162c 75 private:
segundo 0:ac1725ba162c 76 CDummy* m_pCbItem;
segundo 0:ac1725ba162c 77 void (CDummy::*m_pCbMeth)(NetDnsReply);
segundo 0:ac1725ba162c 78
segundo 0:ac1725ba162c 79 Host* m_pHost;
segundo 0:ac1725ba162c 80
segundo 0:ac1725ba162c 81 bool m_closed;
segundo 0:ac1725ba162c 82 };
segundo 0:ac1725ba162c 83
segundo 0:ac1725ba162c 84 #endif