hiroshi matsumoto / EthernetNetIf

lpc1768

if/lwip/lwipNetTcpSocket.h@0:f35dada1dac1, 2015-01-27 (annotated)

Committer:
jh1cdv00
Date:
Tue Jan 27 01:38:19 2015 +0000
Revision:
0:f35dada1dac1
lpc1768

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jh1cdv00 0:f35dada1dac1 1
jh1cdv00 0:f35dada1dac1 2 /*
jh1cdv00 0:f35dada1dac1 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
jh1cdv00 0:f35dada1dac1 4
jh1cdv00 0:f35dada1dac1 5 Permission is hereby granted, free of charge, to any person obtaining a copy
jh1cdv00 0:f35dada1dac1 6 of this software and associated documentation files (the "Software"), to deal
jh1cdv00 0:f35dada1dac1 7 in the Software without restriction, including without limitation the rights
jh1cdv00 0:f35dada1dac1 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
jh1cdv00 0:f35dada1dac1 9 copies of the Software, and to permit persons to whom the Software is
jh1cdv00 0:f35dada1dac1 10 furnished to do so, subject to the following conditions:
jh1cdv00 0:f35dada1dac1 11
jh1cdv00 0:f35dada1dac1 12 The above copyright notice and this permission notice shall be included in
jh1cdv00 0:f35dada1dac1 13 all copies or substantial portions of the Software.
jh1cdv00 0:f35dada1dac1 14
jh1cdv00 0:f35dada1dac1 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
jh1cdv00 0:f35dada1dac1 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
jh1cdv00 0:f35dada1dac1 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
jh1cdv00 0:f35dada1dac1 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
jh1cdv00 0:f35dada1dac1 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jh1cdv00 0:f35dada1dac1 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
jh1cdv00 0:f35dada1dac1 21 THE SOFTWARE.
jh1cdv00 0:f35dada1dac1 22 */
jh1cdv00 0:f35dada1dac1 23
jh1cdv00 0:f35dada1dac1 24 #ifndef LWIPNETTCPSOCKET_H
jh1cdv00 0:f35dada1dac1 25 #define LWIPNETTCPSOCKET_H
jh1cdv00 0:f35dada1dac1 26
jh1cdv00 0:f35dada1dac1 27 #define NET_LWIP_STACK 1
jh1cdv00 0:f35dada1dac1 28 #include "if/net/nettcpsocket.h"
jh1cdv00 0:f35dada1dac1 29 #include "LwipNetIf.h"
jh1cdv00 0:f35dada1dac1 30
jh1cdv00 0:f35dada1dac1 31 #include "stdint.h"
jh1cdv00 0:f35dada1dac1 32
jh1cdv00 0:f35dada1dac1 33 //Implements NetTcpSockets over lwIP raw API
jh1cdv00 0:f35dada1dac1 34
jh1cdv00 0:f35dada1dac1 35 struct tcp_pcb; //Represents a Tcp Connection, "Protocol Control Block", see rawapi.txt & tcp.h
jh1cdv00 0:f35dada1dac1 36 struct pbuf; //Lwip Buffer Container
jh1cdv00 0:f35dada1dac1 37
jh1cdv00 0:f35dada1dac1 38 typedef signed char err_t;
jh1cdv00 0:f35dada1dac1 39 typedef uint16_t u16_t;
jh1cdv00 0:f35dada1dac1 40
jh1cdv00 0:f35dada1dac1 41 class LwipNetTcpSocket: public NetTcpSocket
jh1cdv00 0:f35dada1dac1 42 {
jh1cdv00 0:f35dada1dac1 43 public:
jh1cdv00 0:f35dada1dac1 44 LwipNetTcpSocket(tcp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership
jh1cdv00 0:f35dada1dac1 45 virtual ~LwipNetTcpSocket();
jh1cdv00 0:f35dada1dac1 46
jh1cdv00 0:f35dada1dac1 47 virtual NetTcpSocketErr bind(const Host& me);
jh1cdv00 0:f35dada1dac1 48 virtual NetTcpSocketErr listen();
jh1cdv00 0:f35dada1dac1 49 virtual NetTcpSocketErr connect(const Host& host);
jh1cdv00 0:f35dada1dac1 50 virtual NetTcpSocketErr accept(Host* pClient, NetTcpSocket** ppNewNetTcpSocket);
jh1cdv00 0:f35dada1dac1 51
jh1cdv00 0:f35dada1dac1 52 virtual int /*if < 0 : NetTcpSocketErr*/ send(const char* buf, int len);
jh1cdv00 0:f35dada1dac1 53 virtual int /*if < 0 : NetTcpSocketErr*/ recv(char* buf, int len);
jh1cdv00 0:f35dada1dac1 54
jh1cdv00 0:f35dada1dac1 55 virtual NetTcpSocketErr close();
jh1cdv00 0:f35dada1dac1 56
jh1cdv00 0:f35dada1dac1 57 virtual NetTcpSocketErr poll();
jh1cdv00 0:f35dada1dac1 58
jh1cdv00 0:f35dada1dac1 59 protected:
jh1cdv00 0:f35dada1dac1 60 volatile tcp_pcb* m_pPcb;
jh1cdv00 0:f35dada1dac1 61
jh1cdv00 0:f35dada1dac1 62 //Events callbacks from lwIp
jh1cdv00 0:f35dada1dac1 63 err_t acceptCb(tcp_pcb* newpcb, err_t err);
jh1cdv00 0:f35dada1dac1 64 err_t connectedCb(tcp_pcb* tpcb, err_t err);
jh1cdv00 0:f35dada1dac1 65
jh1cdv00 0:f35dada1dac1 66 void errCb(err_t err);
jh1cdv00 0:f35dada1dac1 67
jh1cdv00 0:f35dada1dac1 68 err_t sentCb(tcp_pcb* tpcb, u16_t len);
jh1cdv00 0:f35dada1dac1 69 err_t recvCb(tcp_pcb* tpcb, pbuf *p, err_t err);
jh1cdv00 0:f35dada1dac1 70
jh1cdv00 0:f35dada1dac1 71 private:
jh1cdv00 0:f35dada1dac1 72 void cleanUp(); //Flush input buffer
jh1cdv00 0:f35dada1dac1 73
jh1cdv00 0:f35dada1dac1 74 // queue<tcp_pcb*> m_lpInPcb; //Incoming connections that have not been accepted yet
jh1cdv00 0:f35dada1dac1 75 queue<LwipNetTcpSocket*> m_lpInNetTcpSocket; //Incoming connections that have not been accepted yet
jh1cdv00 0:f35dada1dac1 76
jh1cdv00 0:f35dada1dac1 77 volatile pbuf* m_pReadPbuf; //Ptr to read buffer
jh1cdv00 0:f35dada1dac1 78
jh1cdv00 0:f35dada1dac1 79 //Static callbacks : Transforms into a C++ callback
jh1cdv00 0:f35dada1dac1 80 static err_t sAcceptCb(void *arg, struct tcp_pcb *newpcb, err_t err);
jh1cdv00 0:f35dada1dac1 81 static err_t sConnectedCb(void *arg, struct tcp_pcb *tpcb, err_t err);
jh1cdv00 0:f35dada1dac1 82
jh1cdv00 0:f35dada1dac1 83 static void sErrCb(void *arg, err_t err);
jh1cdv00 0:f35dada1dac1 84
jh1cdv00 0:f35dada1dac1 85 static err_t sSentCb(void *arg, struct tcp_pcb *tpcb, u16_t len);
jh1cdv00 0:f35dada1dac1 86 static err_t sRecvCb(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err);
jh1cdv00 0:f35dada1dac1 87
jh1cdv00 0:f35dada1dac1 88 };
jh1cdv00 0:f35dada1dac1 89
jh1cdv00 0:f35dada1dac1 90 #endif