Rod Coleman / NetServices

Netservices modded to read fragmented HTTP respsonse/payload from special purpose server - 180 bytes only

if/lwip/lwipNetTcpSocket.h@0:8f5825f330b0, 2011-09-08 (annotated)

Committer:
RodColeman
Date:
Thu Sep 08 10:41:36 2011 +0000
Revision:
0:8f5825f330b0
setDataLen hacked to 180bytes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RodColeman 0:8f5825f330b0 1
RodColeman 0:8f5825f330b0 2 /*
RodColeman 0:8f5825f330b0 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
RodColeman 0:8f5825f330b0 4
RodColeman 0:8f5825f330b0 5 Permission is hereby granted, free of charge, to any person obtaining a copy
RodColeman 0:8f5825f330b0 6 of this software and associated documentation files (the "Software"), to deal
RodColeman 0:8f5825f330b0 7 in the Software without restriction, including without limitation the rights
RodColeman 0:8f5825f330b0 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
RodColeman 0:8f5825f330b0 9 copies of the Software, and to permit persons to whom the Software is
RodColeman 0:8f5825f330b0 10 furnished to do so, subject to the following conditions:
RodColeman 0:8f5825f330b0 11
RodColeman 0:8f5825f330b0 12 The above copyright notice and this permission notice shall be included in
RodColeman 0:8f5825f330b0 13 all copies or substantial portions of the Software.
RodColeman 0:8f5825f330b0 14
RodColeman 0:8f5825f330b0 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
RodColeman 0:8f5825f330b0 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
RodColeman 0:8f5825f330b0 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
RodColeman 0:8f5825f330b0 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
RodColeman 0:8f5825f330b0 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
RodColeman 0:8f5825f330b0 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
RodColeman 0:8f5825f330b0 21 THE SOFTWARE.
RodColeman 0:8f5825f330b0 22 */
RodColeman 0:8f5825f330b0 23
RodColeman 0:8f5825f330b0 24 #ifndef LWIPNETTCPSOCKET_H
RodColeman 0:8f5825f330b0 25 #define LWIPNETTCPSOCKET_H
RodColeman 0:8f5825f330b0 26
RodColeman 0:8f5825f330b0 27 #define NET_LWIP_STACK 1
RodColeman 0:8f5825f330b0 28 #include "if/net/nettcpsocket.h"
RodColeman 0:8f5825f330b0 29 #include "LwipNetIf.h"
RodColeman 0:8f5825f330b0 30
RodColeman 0:8f5825f330b0 31 #include "stdint.h"
RodColeman 0:8f5825f330b0 32
RodColeman 0:8f5825f330b0 33 //Implements NetTcpSockets over lwIP raw API
RodColeman 0:8f5825f330b0 34
RodColeman 0:8f5825f330b0 35 struct tcp_pcb; //Represents a Tcp Connection, "Protocol Control Block", see rawapi.txt & tcp.h
RodColeman 0:8f5825f330b0 36 struct pbuf; //Lwip Buffer Container
RodColeman 0:8f5825f330b0 37
RodColeman 0:8f5825f330b0 38 typedef signed char err_t;
RodColeman 0:8f5825f330b0 39 typedef uint16_t u16_t;
RodColeman 0:8f5825f330b0 40
RodColeman 0:8f5825f330b0 41 class LwipNetTcpSocket: public NetTcpSocket
RodColeman 0:8f5825f330b0 42 {
RodColeman 0:8f5825f330b0 43 public:
RodColeman 0:8f5825f330b0 44 LwipNetTcpSocket(tcp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership
RodColeman 0:8f5825f330b0 45 virtual ~LwipNetTcpSocket();
RodColeman 0:8f5825f330b0 46
RodColeman 0:8f5825f330b0 47 virtual NetTcpSocketErr bind(const Host& me);
RodColeman 0:8f5825f330b0 48 virtual NetTcpSocketErr listen();
RodColeman 0:8f5825f330b0 49 virtual NetTcpSocketErr connect(const Host& host);
RodColeman 0:8f5825f330b0 50 virtual NetTcpSocketErr accept(Host* pClient, NetTcpSocket** ppNewNetTcpSocket);
RodColeman 0:8f5825f330b0 51
RodColeman 0:8f5825f330b0 52 virtual int /*if < 0 : NetTcpSocketErr*/ send(const char* buf, int len);
RodColeman 0:8f5825f330b0 53 virtual int /*if < 0 : NetTcpSocketErr*/ recv(char* buf, int len);
RodColeman 0:8f5825f330b0 54
RodColeman 0:8f5825f330b0 55 virtual NetTcpSocketErr close();
RodColeman 0:8f5825f330b0 56
RodColeman 0:8f5825f330b0 57 virtual NetTcpSocketErr poll();
RodColeman 0:8f5825f330b0 58
RodColeman 0:8f5825f330b0 59 protected:
RodColeman 0:8f5825f330b0 60 volatile tcp_pcb* m_pPcb;
RodColeman 0:8f5825f330b0 61
RodColeman 0:8f5825f330b0 62 //Events callbacks from lwIp
RodColeman 0:8f5825f330b0 63 err_t acceptCb(tcp_pcb* newpcb, err_t err);
RodColeman 0:8f5825f330b0 64 err_t connectedCb(tcp_pcb* tpcb, err_t err);
RodColeman 0:8f5825f330b0 65
RodColeman 0:8f5825f330b0 66 void errCb(err_t err);
RodColeman 0:8f5825f330b0 67
RodColeman 0:8f5825f330b0 68 err_t sentCb(tcp_pcb* tpcb, u16_t len);
RodColeman 0:8f5825f330b0 69 err_t recvCb(tcp_pcb* tpcb, pbuf *p, err_t err);
RodColeman 0:8f5825f330b0 70
RodColeman 0:8f5825f330b0 71 private:
RodColeman 0:8f5825f330b0 72 void cleanUp(); //Flush input buffer
RodColeman 0:8f5825f330b0 73
RodColeman 0:8f5825f330b0 74 // queue<tcp_pcb*> m_lpInPcb; //Incoming connections that have not been accepted yet
RodColeman 0:8f5825f330b0 75 queue<LwipNetTcpSocket*> m_lpInNetTcpSocket; //Incoming connections that have not been accepted yet
RodColeman 0:8f5825f330b0 76
RodColeman 0:8f5825f330b0 77 volatile pbuf* m_pReadPbuf; //Ptr to read buffer
RodColeman 0:8f5825f330b0 78
RodColeman 0:8f5825f330b0 79 //Static callbacks : Transforms into a C++ callback
RodColeman 0:8f5825f330b0 80 static err_t sAcceptCb(void *arg, struct tcp_pcb *newpcb, err_t err);
RodColeman 0:8f5825f330b0 81 static err_t sConnectedCb(void *arg, struct tcp_pcb *tpcb, err_t err);
RodColeman 0:8f5825f330b0 82
RodColeman 0:8f5825f330b0 83 static void sErrCb(void *arg, err_t err);
RodColeman 0:8f5825f330b0 84
RodColeman 0:8f5825f330b0 85 static err_t sSentCb(void *arg, struct tcp_pcb *tpcb, u16_t len);
RodColeman 0:8f5825f330b0 86 static err_t sRecvCb(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err);
RodColeman 0:8f5825f330b0 87
RodColeman 0:8f5825f330b0 88 };
RodColeman 0:8f5825f330b0 89
RodColeman 0:8f5825f330b0 90 #endif