Rahol Rajan / NetServices-Traffic

Used in Live Traffic Update Nokia LCD Display Project

Fork of NetServices by Segundo Equipo

if/lwip/lwipNetUdpSocket.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 LWIPNETUDPSOCKET_H
segundo 0:ac1725ba162c 25 #define LWIPNETUDPSOCKET_H
segundo 0:ac1725ba162c 26
segundo 0:ac1725ba162c 27 #define NET_LWIP_STACK 1
segundo 0:ac1725ba162c 28 //#include "lwip/ip_addr.h"
segundo 0:ac1725ba162c 29 #include "if/net/netudpsocket.h"
segundo 0:ac1725ba162c 30 #include "LwipNetIf.h"
segundo 0:ac1725ba162c 31
segundo 0:ac1725ba162c 32 #include "stdint.h"
segundo 0:ac1725ba162c 33
segundo 0:ac1725ba162c 34 #include <list>
segundo 0:ac1725ba162c 35 using std::list;
segundo 0:ac1725ba162c 36
segundo 0:ac1725ba162c 37 //Implements NetUdpSockets over lwIP raw API
segundo 0:ac1725ba162c 38
segundo 0:ac1725ba162c 39 struct udp_pcb; //Represents a Udp Connection, "Protocol Control Block", see rawapi.txt & udp.h
segundo 0:ac1725ba162c 40 struct pbuf; //Lwip Buffer Container
segundo 0:ac1725ba162c 41 typedef struct ip_addr ip_addr_t;
segundo 0:ac1725ba162c 42
segundo 0:ac1725ba162c 43 //typedef signed char err_t;
segundo 0:ac1725ba162c 44 typedef uint16_t u16_t;
segundo 0:ac1725ba162c 45
segundo 0:ac1725ba162c 46 class LwipNetUdpSocket: public NetUdpSocket
segundo 0:ac1725ba162c 47 {
segundo 0:ac1725ba162c 48 public:
segundo 0:ac1725ba162c 49 LwipNetUdpSocket(udp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership
segundo 0:ac1725ba162c 50 virtual ~LwipNetUdpSocket();
segundo 0:ac1725ba162c 51
segundo 0:ac1725ba162c 52 virtual NetUdpSocketErr bind(const Host& me);
segundo 0:ac1725ba162c 53
segundo 0:ac1725ba162c 54 virtual int /*if < 0 : NetUdpSocketErr*/ sendto(const char* buf, int len, Host* pHost);
segundo 0:ac1725ba162c 55 virtual int /*if < 0 : NetUdpSocketErr*/ recvfrom(char* buf, int len, Host* pHost);
segundo 0:ac1725ba162c 56
segundo 0:ac1725ba162c 57 virtual NetUdpSocketErr close();
segundo 0:ac1725ba162c 58
segundo 0:ac1725ba162c 59 virtual NetUdpSocketErr poll();
segundo 0:ac1725ba162c 60
segundo 0:ac1725ba162c 61 protected:
segundo 0:ac1725ba162c 62 volatile udp_pcb* m_pPcb;
segundo 0:ac1725ba162c 63
segundo 0:ac1725ba162c 64 //Event callback from lwIp
segundo 0:ac1725ba162c 65 void recvCb(udp_pcb* pcb, struct pbuf* p, ip_addr_t* addr, u16_t port);
segundo 0:ac1725ba162c 66
segundo 0:ac1725ba162c 67 private:
segundo 0:ac1725ba162c 68 void cleanUp(); //Flush input buffer
segundo 0:ac1725ba162c 69 struct InPacket
segundo 0:ac1725ba162c 70 {
segundo 0:ac1725ba162c 71 volatile pbuf* pBuf;
segundo 0:ac1725ba162c 72 ip_addr_t addr;
segundo 0:ac1725ba162c 73 u16_t port;
segundo 0:ac1725ba162c 74 };
segundo 0:ac1725ba162c 75
segundo 0:ac1725ba162c 76 list<InPacket> m_lInPkt;
segundo 0:ac1725ba162c 77 IpAddr m_multicastGroup;
segundo 0:ac1725ba162c 78
segundo 0:ac1725ba162c 79 //Static callback : Transforms into a C++ callback
segundo 0:ac1725ba162c 80 static void sRecvCb(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port);
segundo 0:ac1725ba162c 81
segundo 0:ac1725ba162c 82 };
segundo 0:ac1725ba162c 83
segundo 0:ac1725ba162c 84 #endif