Committer:
donatien
Date:
Fri Jul 09 15:24:33 2010 +0000
Revision:
0:0f5a52711275
Child:
3:e02ec42cf9c8

        

Who changed what in which revision?

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donatien 0:0f5a52711275 1
donatien 0:0f5a52711275 2 /*
donatien 0:0f5a52711275 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
donatien 0:0f5a52711275 4
donatien 0:0f5a52711275 5 Permission is hereby granted, free of charge, to any person obtaining a copy
donatien 0:0f5a52711275 6 of this software and associated documentation files (the "Software"), to deal
donatien 0:0f5a52711275 7 in the Software without restriction, including without limitation the rights
donatien 0:0f5a52711275 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
donatien 0:0f5a52711275 9 copies of the Software, and to permit persons to whom the Software is
donatien 0:0f5a52711275 10 furnished to do so, subject to the following conditions:
donatien 0:0f5a52711275 11
donatien 0:0f5a52711275 12 The above copyright notice and this permission notice shall be included in
donatien 0:0f5a52711275 13 all copies or substantial portions of the Software.
donatien 0:0f5a52711275 14
donatien 0:0f5a52711275 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
donatien 0:0f5a52711275 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
donatien 0:0f5a52711275 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
donatien 0:0f5a52711275 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
donatien 0:0f5a52711275 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
donatien 0:0f5a52711275 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
donatien 0:0f5a52711275 21 THE SOFTWARE.
donatien 0:0f5a52711275 22 */
donatien 0:0f5a52711275 23
donatien 0:0f5a52711275 24 #ifndef LWIPNETTCPSOCKET_H
donatien 0:0f5a52711275 25 #define LWIPNETTCPSOCKET_H
donatien 0:0f5a52711275 26
donatien 0:0f5a52711275 27 #define NET_LWIP_STACK 1
donatien 0:0f5a52711275 28 #include "lwip/ip_addr.h"
donatien 0:0f5a52711275 29 #include "if/net/net.h"
donatien 0:0f5a52711275 30 #include "LwipNetIf.h"
donatien 0:0f5a52711275 31
donatien 0:0f5a52711275 32 //Implements NetTcpSockets over lwIP raw API
donatien 0:0f5a52711275 33
donatien 0:0f5a52711275 34 struct tcp_pcb; //Represents a Tcp Connection, "Protocol Control Block", see rawapi.txt & tcp.h
donatien 0:0f5a52711275 35 struct pbuf; //Lwip Buffer Container
donatien 0:0f5a52711275 36
donatien 0:0f5a52711275 37 typedef signed char err_t;
donatien 0:0f5a52711275 38
donatien 0:0f5a52711275 39 class LwipNetTcpSocket: public NetTcpSocket
donatien 0:0f5a52711275 40 {
donatien 0:0f5a52711275 41 public:
donatien 0:0f5a52711275 42 LwipNetTcpSocket(tcp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership
donatien 0:0f5a52711275 43 virtual ~LwipNetTcpSocket();
donatien 0:0f5a52711275 44
donatien 0:0f5a52711275 45 virtual NetTcpSocketErr bind(const Host& me);
donatien 0:0f5a52711275 46 virtual NetTcpSocketErr listen();
donatien 0:0f5a52711275 47 virtual NetTcpSocketErr connect(const Host& host);
donatien 0:0f5a52711275 48 virtual NetTcpSocketErr accept(Host* pClient, NetTcpSocket** ppNewNetTcpSocket);
donatien 0:0f5a52711275 49
donatien 0:0f5a52711275 50 virtual int /*if < 0 : NetTcpSocketErr*/ send(const char* buf, int len);
donatien 0:0f5a52711275 51 virtual int /*if < 0 : NetTcpSocketErr*/ recv(char* buf, int len);
donatien 0:0f5a52711275 52
donatien 0:0f5a52711275 53 virtual NetTcpSocketErr close();
donatien 0:0f5a52711275 54
donatien 0:0f5a52711275 55 virtual NetTcpSocketErr poll();
donatien 0:0f5a52711275 56
donatien 0:0f5a52711275 57 protected:
donatien 0:0f5a52711275 58 volatile tcp_pcb* m_pPcb;
donatien 0:0f5a52711275 59
donatien 0:0f5a52711275 60 //Events callbacks from lwIp
donatien 0:0f5a52711275 61 err_t acceptCb(tcp_pcb* newpcb, err_t err);
donatien 0:0f5a52711275 62 err_t connectedCb(tcp_pcb* tpcb, err_t err);
donatien 0:0f5a52711275 63
donatien 0:0f5a52711275 64 void errCb(err_t err);
donatien 0:0f5a52711275 65
donatien 0:0f5a52711275 66 err_t sentCb(tcp_pcb* tpcb, u16_t len);
donatien 0:0f5a52711275 67 err_t recvCb(tcp_pcb* tpcb, pbuf *p, err_t err);
donatien 0:0f5a52711275 68
donatien 0:0f5a52711275 69 private:
donatien 0:0f5a52711275 70 void cleanUp(); //Flush input buffer
donatien 0:0f5a52711275 71
donatien 0:0f5a52711275 72 // queue<tcp_pcb*> m_lpInPcb; //Incoming connections that have not been accepted yet
donatien 0:0f5a52711275 73 queue<LwipNetTcpSocket*> m_lpInNetTcpSocket; //Incoming connections that have not been accepted yet
donatien 0:0f5a52711275 74
donatien 0:0f5a52711275 75 volatile pbuf* m_pReadPbuf; //Ptr to read buffer
donatien 0:0f5a52711275 76
donatien 0:0f5a52711275 77 //Static callbacks : Transforms into a C++ callback
donatien 0:0f5a52711275 78 static err_t sAcceptCb(void *arg, struct tcp_pcb *newpcb, err_t err);
donatien 0:0f5a52711275 79 static err_t sConnectedCb(void *arg, struct tcp_pcb *tpcb, err_t err);
donatien 0:0f5a52711275 80
donatien 0:0f5a52711275 81 static void sErrCb(void *arg, err_t err);
donatien 0:0f5a52711275 82
donatien 0:0f5a52711275 83 static err_t sSentCb(void *arg, struct tcp_pcb *tpcb, u16_t len);
donatien 0:0f5a52711275 84 static err_t sRecvCb(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err);
donatien 0:0f5a52711275 85
donatien 0:0f5a52711275 86 };
donatien 0:0f5a52711275 87
donatien 0:0f5a52711275 88 #endif