Rahol Rajan / NetServices-Traffic

Used in Live Traffic Update Nokia LCD Display Project

Fork of NetServices by Segundo Equipo

if/lwip/lwipNetDnsRequest.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 LWIPNETDNSREQUEST_H
segundo 0:ac1725ba162c 25 #define LWIPNETDNSREQUEST_H
segundo 0:ac1725ba162c 26
segundo 0:ac1725ba162c 27 #define NET_LWIP_STACK 1
segundo 0:ac1725ba162c 28 #include "if/net/netdnsrequest.h"
segundo 0:ac1725ba162c 29
segundo 0:ac1725ba162c 30 //struct ip_addr_t;
segundo 0:ac1725ba162c 31 #include "lwip/ip_addr.h"
segundo 0:ac1725ba162c 32
segundo 0:ac1725ba162c 33 class LwipNetDnsRequest : public NetDnsRequest
segundo 0:ac1725ba162c 34 {
segundo 0:ac1725ba162c 35 public:
segundo 0:ac1725ba162c 36 LwipNetDnsRequest(const char* hostname);
segundo 0:ac1725ba162c 37 LwipNetDnsRequest(Host* pHost);
segundo 0:ac1725ba162c 38 virtual ~LwipNetDnsRequest();
segundo 0:ac1725ba162c 39
segundo 0:ac1725ba162c 40 //Execute request & return OK if found, NOTFOUND or ERROR on error, or PROCESSING if the request has not completed yet
segundo 0:ac1725ba162c 41 virtual void poll();
segundo 0:ac1725ba162c 42
segundo 0:ac1725ba162c 43 virtual void close();
segundo 0:ac1725ba162c 44
segundo 0:ac1725ba162c 45 protected:
segundo 0:ac1725ba162c 46 void foundCb(const char *name, ip_addr_t *ipaddr);
segundo 0:ac1725ba162c 47
segundo 0:ac1725ba162c 48 private:
segundo 0:ac1725ba162c 49 enum LwipNetDnsState
segundo 0:ac1725ba162c 50 {
segundo 0:ac1725ba162c 51 LWIPNETDNS_START,
segundo 0:ac1725ba162c 52 LWIPNETDNS_PROCESSING, //Req has not completed
segundo 0:ac1725ba162c 53 LWIPNETDNS_NOTFOUND,
segundo 0:ac1725ba162c 54 LWIPNETDNS_ERROR,
segundo 0:ac1725ba162c 55 LWIPNETDNS_OK
segundo 0:ac1725ba162c 56 };
segundo 0:ac1725ba162c 57
segundo 0:ac1725ba162c 58 LwipNetDnsState m_state;
segundo 0:ac1725ba162c 59 bool m_cbFired;
segundo 0:ac1725ba162c 60
segundo 0:ac1725ba162c 61 //Static callbacks : Transforms into a C++ callback
segundo 0:ac1725ba162c 62 static void sFoundCb(const char *name, ip_addr_t *ipaddr, void *arg);
segundo 0:ac1725ba162c 63
segundo 0:ac1725ba162c 64 bool m_closing;
segundo 0:ac1725ba162c 65 };
segundo 0:ac1725ba162c 66
segundo 0:ac1725ba162c 67 #endif