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segundo
Date:
Tue Nov 09 20:54:15 2010 +0000
Revision:
0:ac1725ba162c

        

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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