Dependents:   SNMPAgent HTTPServer think_speak_a cyassl-client ... more

Committer:
mamezu
Date:
Thu Dec 09 01:33:56 2010 +0000
Revision:
0:0f6c82fcde82

        

Who changed what in which revision?

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mamezu 0:0f6c82fcde82 1
mamezu 0:0f6c82fcde82 2 /*
mamezu 0:0f6c82fcde82 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
mamezu 0:0f6c82fcde82 4
mamezu 0:0f6c82fcde82 5 Permission is hereby granted, free of charge, to any person obtaining a copy
mamezu 0:0f6c82fcde82 6 of this software and associated documentation files (the "Software"), to deal
mamezu 0:0f6c82fcde82 7 in the Software without restriction, including without limitation the rights
mamezu 0:0f6c82fcde82 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mamezu 0:0f6c82fcde82 9 copies of the Software, and to permit persons to whom the Software is
mamezu 0:0f6c82fcde82 10 furnished to do so, subject to the following conditions:
mamezu 0:0f6c82fcde82 11
mamezu 0:0f6c82fcde82 12 The above copyright notice and this permission notice shall be included in
mamezu 0:0f6c82fcde82 13 all copies or substantial portions of the Software.
mamezu 0:0f6c82fcde82 14
mamezu 0:0f6c82fcde82 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mamezu 0:0f6c82fcde82 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mamezu 0:0f6c82fcde82 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mamezu 0:0f6c82fcde82 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mamezu 0:0f6c82fcde82 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mamezu 0:0f6c82fcde82 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
mamezu 0:0f6c82fcde82 21 THE SOFTWARE.
mamezu 0:0f6c82fcde82 22 */
mamezu 0:0f6c82fcde82 23
mamezu 0:0f6c82fcde82 24 #ifndef LWIPNETTCPSOCKET_H
mamezu 0:0f6c82fcde82 25 #define LWIPNETTCPSOCKET_H
mamezu 0:0f6c82fcde82 26
mamezu 0:0f6c82fcde82 27 #define NET_LWIP_STACK 1
mamezu 0:0f6c82fcde82 28 #include "if/net/nettcpsocket.h"
mamezu 0:0f6c82fcde82 29 #include "LwipNetIf.h"
mamezu 0:0f6c82fcde82 30
mamezu 0:0f6c82fcde82 31 #include "stdint.h"
mamezu 0:0f6c82fcde82 32
mamezu 0:0f6c82fcde82 33 //Implements NetTcpSockets over lwIP raw API
mamezu 0:0f6c82fcde82 34
mamezu 0:0f6c82fcde82 35 struct tcp_pcb; //Represents a Tcp Connection, "Protocol Control Block", see rawapi.txt & tcp.h
mamezu 0:0f6c82fcde82 36 struct pbuf; //Lwip Buffer Container
mamezu 0:0f6c82fcde82 37
mamezu 0:0f6c82fcde82 38 typedef signed char err_t;
mamezu 0:0f6c82fcde82 39 typedef uint16_t u16_t;
mamezu 0:0f6c82fcde82 40
mamezu 0:0f6c82fcde82 41 class LwipNetTcpSocket: public NetTcpSocket
mamezu 0:0f6c82fcde82 42 {
mamezu 0:0f6c82fcde82 43 public:
mamezu 0:0f6c82fcde82 44 LwipNetTcpSocket(tcp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership
mamezu 0:0f6c82fcde82 45 virtual ~LwipNetTcpSocket();
mamezu 0:0f6c82fcde82 46
mamezu 0:0f6c82fcde82 47 virtual NetTcpSocketErr bind(const Host& me);
mamezu 0:0f6c82fcde82 48 virtual NetTcpSocketErr listen();
mamezu 0:0f6c82fcde82 49 virtual NetTcpSocketErr connect(const Host& host);
mamezu 0:0f6c82fcde82 50 virtual NetTcpSocketErr accept(Host* pClient, NetTcpSocket** ppNewNetTcpSocket);
mamezu 0:0f6c82fcde82 51
mamezu 0:0f6c82fcde82 52 virtual int /*if < 0 : NetTcpSocketErr*/ send(const char* buf, int len);
mamezu 0:0f6c82fcde82 53 virtual int /*if < 0 : NetTcpSocketErr*/ recv(char* buf, int len);
mamezu 0:0f6c82fcde82 54
mamezu 0:0f6c82fcde82 55 virtual NetTcpSocketErr close();
mamezu 0:0f6c82fcde82 56
mamezu 0:0f6c82fcde82 57 virtual NetTcpSocketErr poll();
mamezu 0:0f6c82fcde82 58
mamezu 0:0f6c82fcde82 59 protected:
mamezu 0:0f6c82fcde82 60 volatile tcp_pcb* m_pPcb;
mamezu 0:0f6c82fcde82 61
mamezu 0:0f6c82fcde82 62 //Events callbacks from lwIp
mamezu 0:0f6c82fcde82 63 err_t acceptCb(tcp_pcb* newpcb, err_t err);
mamezu 0:0f6c82fcde82 64 err_t connectedCb(tcp_pcb* tpcb, err_t err);
mamezu 0:0f6c82fcde82 65
mamezu 0:0f6c82fcde82 66 void errCb(err_t err);
mamezu 0:0f6c82fcde82 67
mamezu 0:0f6c82fcde82 68 err_t sentCb(tcp_pcb* tpcb, u16_t len);
mamezu 0:0f6c82fcde82 69 err_t recvCb(tcp_pcb* tpcb, pbuf *p, err_t err);
mamezu 0:0f6c82fcde82 70
mamezu 0:0f6c82fcde82 71 private:
mamezu 0:0f6c82fcde82 72 void cleanUp(); //Flush input buffer
mamezu 0:0f6c82fcde82 73
mamezu 0:0f6c82fcde82 74 // queue<tcp_pcb*> m_lpInPcb; //Incoming connections that have not been accepted yet
mamezu 0:0f6c82fcde82 75 queue<LwipNetTcpSocket*> m_lpInNetTcpSocket; //Incoming connections that have not been accepted yet
mamezu 0:0f6c82fcde82 76
mamezu 0:0f6c82fcde82 77 volatile pbuf* m_pReadPbuf; //Ptr to read buffer
mamezu 0:0f6c82fcde82 78
mamezu 0:0f6c82fcde82 79 //Static callbacks : Transforms into a C++ callback
mamezu 0:0f6c82fcde82 80 static err_t sAcceptCb(void *arg, struct tcp_pcb *newpcb, err_t err);
mamezu 0:0f6c82fcde82 81 static err_t sConnectedCb(void *arg, struct tcp_pcb *tpcb, err_t err);
mamezu 0:0f6c82fcde82 82
mamezu 0:0f6c82fcde82 83 static void sErrCb(void *arg, err_t err);
mamezu 0:0f6c82fcde82 84
mamezu 0:0f6c82fcde82 85 static err_t sSentCb(void *arg, struct tcp_pcb *tpcb, u16_t len);
mamezu 0:0f6c82fcde82 86 static err_t sRecvCb(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err);
mamezu 0:0f6c82fcde82 87
mamezu 0:0f6c82fcde82 88 };
mamezu 0:0f6c82fcde82 89
mamezu 0:0f6c82fcde82 90 #endif