Rahol Rajan / NetServices-Traffic

Used in Live Traffic Update Nokia LCD Display Project

Fork of NetServices by Segundo Equipo

if/lwip/lwipNetTcpSocket.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 LWIPNETTCPSOCKET_H
segundo 0:ac1725ba162c 25 #define LWIPNETTCPSOCKET_H
segundo 0:ac1725ba162c 26
segundo 0:ac1725ba162c 27 #define NET_LWIP_STACK 1
segundo 0:ac1725ba162c 28 #include "if/net/nettcpsocket.h"
segundo 0:ac1725ba162c 29 #include "LwipNetIf.h"
segundo 0:ac1725ba162c 30
segundo 0:ac1725ba162c 31 #include "stdint.h"
segundo 0:ac1725ba162c 32
segundo 0:ac1725ba162c 33 //Implements NetTcpSockets over lwIP raw API
segundo 0:ac1725ba162c 34
segundo 0:ac1725ba162c 35 struct tcp_pcb; //Represents a Tcp Connection, "Protocol Control Block", see rawapi.txt & tcp.h
segundo 0:ac1725ba162c 36 struct pbuf; //Lwip Buffer Container
segundo 0:ac1725ba162c 37
segundo 0:ac1725ba162c 38 typedef signed char err_t;
segundo 0:ac1725ba162c 39 typedef uint16_t u16_t;
segundo 0:ac1725ba162c 40
segundo 0:ac1725ba162c 41 class LwipNetTcpSocket: public NetTcpSocket
segundo 0:ac1725ba162c 42 {
segundo 0:ac1725ba162c 43 public:
segundo 0:ac1725ba162c 44 LwipNetTcpSocket(tcp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership
segundo 0:ac1725ba162c 45 virtual ~LwipNetTcpSocket();
segundo 0:ac1725ba162c 46
segundo 0:ac1725ba162c 47 virtual NetTcpSocketErr bind(const Host& me);
segundo 0:ac1725ba162c 48 virtual NetTcpSocketErr listen();
segundo 0:ac1725ba162c 49 virtual NetTcpSocketErr connect(const Host& host);
segundo 0:ac1725ba162c 50 virtual NetTcpSocketErr accept(Host* pClient, NetTcpSocket** ppNewNetTcpSocket);
segundo 0:ac1725ba162c 51
segundo 0:ac1725ba162c 52 virtual int /*if < 0 : NetTcpSocketErr*/ send(const char* buf, int len);
segundo 0:ac1725ba162c 53 virtual int /*if < 0 : NetTcpSocketErr*/ recv(char* buf, int len);
segundo 0:ac1725ba162c 54
segundo 0:ac1725ba162c 55 virtual NetTcpSocketErr close();
segundo 0:ac1725ba162c 56
segundo 0:ac1725ba162c 57 virtual NetTcpSocketErr poll();
segundo 0:ac1725ba162c 58
segundo 0:ac1725ba162c 59 protected:
segundo 0:ac1725ba162c 60 volatile tcp_pcb* m_pPcb;
segundo 0:ac1725ba162c 61
segundo 0:ac1725ba162c 62 //Events callbacks from lwIp
segundo 0:ac1725ba162c 63 err_t acceptCb(tcp_pcb* newpcb, err_t err);
segundo 0:ac1725ba162c 64 err_t connectedCb(tcp_pcb* tpcb, err_t err);
segundo 0:ac1725ba162c 65
segundo 0:ac1725ba162c 66 void errCb(err_t err);
segundo 0:ac1725ba162c 67
segundo 0:ac1725ba162c 68 err_t sentCb(tcp_pcb* tpcb, u16_t len);
segundo 0:ac1725ba162c 69 err_t recvCb(tcp_pcb* tpcb, pbuf *p, err_t err);
segundo 0:ac1725ba162c 70
segundo 0:ac1725ba162c 71 private:
segundo 0:ac1725ba162c 72 void cleanUp(); //Flush input buffer
segundo 0:ac1725ba162c 73
segundo 0:ac1725ba162c 74 // queue<tcp_pcb*> m_lpInPcb; //Incoming connections that have not been accepted yet
segundo 0:ac1725ba162c 75 queue<LwipNetTcpSocket*> m_lpInNetTcpSocket; //Incoming connections that have not been accepted yet
segundo 0:ac1725ba162c 76
segundo 0:ac1725ba162c 77 volatile pbuf* m_pReadPbuf; //Ptr to read buffer
segundo 0:ac1725ba162c 78
segundo 0:ac1725ba162c 79 //Static callbacks : Transforms into a C++ callback
segundo 0:ac1725ba162c 80 static err_t sAcceptCb(void *arg, struct tcp_pcb *newpcb, err_t err);
segundo 0:ac1725ba162c 81 static err_t sConnectedCb(void *arg, struct tcp_pcb *tpcb, err_t err);
segundo 0:ac1725ba162c 82
segundo 0:ac1725ba162c 83 static void sErrCb(void *arg, err_t err);
segundo 0:ac1725ba162c 84
segundo 0:ac1725ba162c 85 static err_t sSentCb(void *arg, struct tcp_pcb *tpcb, u16_t len);
segundo 0:ac1725ba162c 86 static err_t sRecvCb(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err);
segundo 0:ac1725ba162c 87
segundo 0:ac1725ba162c 88 };
segundo 0:ac1725ba162c 89
segundo 0:ac1725ba162c 90 #endif