roy roy / EthernetNetIf

a

Fork of EthernetNetIf by Donatien Garnier

LPC1768/if/lwip/lwipNetTcpSocket.h@6:13a3e24ed1a3, 2016-11-27 (annotated)

Committer:
anze777
Date:
Sun Nov 27 14:42:41 2016 +0000
Revision:
6:13a3e24ed1a3
Parent:
5:bc7df6da7589 
2016 11/27

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 0:422060928e37 1
donatien 0:422060928e37 2 /*
donatien 0:422060928e37 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
donatien 0:422060928e37 4
donatien 0:422060928e37 5 Permission is hereby granted, free of charge, to any person obtaining a copy
donatien 0:422060928e37 6 of this software and associated documentation files (the "Software"), to deal
donatien 0:422060928e37 7 in the Software without restriction, including without limitation the rights
donatien 0:422060928e37 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
donatien 0:422060928e37 9 copies of the Software, and to permit persons to whom the Software is
donatien 0:422060928e37 10 furnished to do so, subject to the following conditions:
donatien 0:422060928e37 11
donatien 0:422060928e37 12 The above copyright notice and this permission notice shall be included in
donatien 0:422060928e37 13 all copies or substantial portions of the Software.
donatien 0:422060928e37 14
donatien 0:422060928e37 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
donatien 0:422060928e37 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
donatien 0:422060928e37 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
donatien 0:422060928e37 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
donatien 0:422060928e37 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
donatien 0:422060928e37 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
donatien 0:422060928e37 21 THE SOFTWARE.
donatien 0:422060928e37 22 */
donatien 0:422060928e37 23
donatien 0:422060928e37 24 #ifndef LWIPNETTCPSOCKET_H
donatien 0:422060928e37 25 #define LWIPNETTCPSOCKET_H
donatien 0:422060928e37 26
donatien 0:422060928e37 27 #define NET_LWIP_STACK 1
donatien 5:bc7df6da7589 28 #include "if/net/nettcpsocket.h"
donatien 0:422060928e37 29 #include "LwipNetIf.h"
donatien 0:422060928e37 30
donatien 5:bc7df6da7589 31 #include "stdint.h"
donatien 5:bc7df6da7589 32
donatien 0:422060928e37 33 //Implements NetTcpSockets over lwIP raw API
donatien 0:422060928e37 34
donatien 0:422060928e37 35 struct tcp_pcb; //Represents a Tcp Connection, "Protocol Control Block", see rawapi.txt & tcp.h
donatien 0:422060928e37 36 struct pbuf; //Lwip Buffer Container
donatien 0:422060928e37 37
donatien 0:422060928e37 38 typedef signed char err_t;
donatien 5:bc7df6da7589 39 typedef uint16_t u16_t;
donatien 0:422060928e37 40
donatien 0:422060928e37 41 class LwipNetTcpSocket: public NetTcpSocket
donatien 0:422060928e37 42 {
donatien 0:422060928e37 43 public:
donatien 0:422060928e37 44 LwipNetTcpSocket(tcp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership
donatien 0:422060928e37 45 virtual ~LwipNetTcpSocket();
donatien 0:422060928e37 46
donatien 0:422060928e37 47 virtual NetTcpSocketErr bind(const Host& me);
donatien 0:422060928e37 48 virtual NetTcpSocketErr listen();
donatien 0:422060928e37 49 virtual NetTcpSocketErr connect(const Host& host);
donatien 0:422060928e37 50 virtual NetTcpSocketErr accept(Host* pClient, NetTcpSocket** ppNewNetTcpSocket);
donatien 0:422060928e37 51
donatien 0:422060928e37 52 virtual int /*if < 0 : NetTcpSocketErr*/ send(const char* buf, int len);
donatien 0:422060928e37 53 virtual int /*if < 0 : NetTcpSocketErr*/ recv(char* buf, int len);
donatien 0:422060928e37 54
donatien 0:422060928e37 55 virtual NetTcpSocketErr close();
donatien 0:422060928e37 56
donatien 0:422060928e37 57 virtual NetTcpSocketErr poll();
donatien 0:422060928e37 58
donatien 0:422060928e37 59 protected:
donatien 0:422060928e37 60 volatile tcp_pcb* m_pPcb;
donatien 0:422060928e37 61
donatien 0:422060928e37 62 //Events callbacks from lwIp
donatien 0:422060928e37 63 err_t acceptCb(tcp_pcb* newpcb, err_t err);
donatien 0:422060928e37 64 err_t connectedCb(tcp_pcb* tpcb, err_t err);
donatien 0:422060928e37 65
donatien 0:422060928e37 66 void errCb(err_t err);
donatien 0:422060928e37 67
donatien 0:422060928e37 68 err_t sentCb(tcp_pcb* tpcb, u16_t len);
donatien 0:422060928e37 69 err_t recvCb(tcp_pcb* tpcb, pbuf *p, err_t err);
donatien 0:422060928e37 70
donatien 0:422060928e37 71 private:
donatien 0:422060928e37 72 void cleanUp(); //Flush input buffer
donatien 0:422060928e37 73
donatien 0:422060928e37 74 // queue<tcp_pcb*> m_lpInPcb; //Incoming connections that have not been accepted yet
donatien 0:422060928e37 75 queue<LwipNetTcpSocket*> m_lpInNetTcpSocket; //Incoming connections that have not been accepted yet
donatien 0:422060928e37 76
donatien 0:422060928e37 77 volatile pbuf* m_pReadPbuf; //Ptr to read buffer
donatien 0:422060928e37 78
donatien 0:422060928e37 79 //Static callbacks : Transforms into a C++ callback
donatien 0:422060928e37 80 static err_t sAcceptCb(void *arg, struct tcp_pcb *newpcb, err_t err);
donatien 0:422060928e37 81 static err_t sConnectedCb(void *arg, struct tcp_pcb *tpcb, err_t err);
donatien 0:422060928e37 82
donatien 0:422060928e37 83 static void sErrCb(void *arg, err_t err);
donatien 0:422060928e37 84
donatien 0:422060928e37 85 static err_t sSentCb(void *arg, struct tcp_pcb *tpcb, u16_t len);
donatien 0:422060928e37 86 static err_t sRecvCb(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err);
donatien 0:422060928e37 87
donatien 0:422060928e37 88 };
donatien 0:422060928e37 89
donatien 0:422060928e37 90 #endif