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Dependencies:   mbed

NetServices/if/lwip/lwipNetTcpSocket.h@1:f5ac63519541, 2014-03-05 (annotated)

Committer:
Michael J. Spencer
Date:
Wed Mar 05 06:14:02 2014 -0800
Revision:
1:f5ac63519541
Initial commit.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Michael J. Spencer 1:f5ac63519541 1
Michael J. Spencer 1:f5ac63519541 2 /*
Michael J. Spencer 1:f5ac63519541 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
Michael J. Spencer 1:f5ac63519541 4
Michael J. Spencer 1:f5ac63519541 5 Permission is hereby granted, free of charge, to any person obtaining a copy
Michael J. Spencer 1:f5ac63519541 6 of this software and associated documentation files (the "Software"), to deal
Michael J. Spencer 1:f5ac63519541 7 in the Software without restriction, including without limitation the rights
Michael J. Spencer 1:f5ac63519541 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Michael J. Spencer 1:f5ac63519541 9 copies of the Software, and to permit persons to whom the Software is
Michael J. Spencer 1:f5ac63519541 10 furnished to do so, subject to the following conditions:
Michael J. Spencer 1:f5ac63519541 11
Michael J. Spencer 1:f5ac63519541 12 The above copyright notice and this permission notice shall be included in
Michael J. Spencer 1:f5ac63519541 13 all copies or substantial portions of the Software.
Michael J. Spencer 1:f5ac63519541 14
Michael J. Spencer 1:f5ac63519541 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Michael J. Spencer 1:f5ac63519541 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Michael J. Spencer 1:f5ac63519541 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Michael J. Spencer 1:f5ac63519541 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Michael J. Spencer 1:f5ac63519541 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Michael J. Spencer 1:f5ac63519541 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Michael J. Spencer 1:f5ac63519541 21 THE SOFTWARE.
Michael J. Spencer 1:f5ac63519541 22 */
Michael J. Spencer 1:f5ac63519541 23
Michael J. Spencer 1:f5ac63519541 24 #ifndef LWIPNETTCPSOCKET_H
Michael J. Spencer 1:f5ac63519541 25 #define LWIPNETTCPSOCKET_H
Michael J. Spencer 1:f5ac63519541 26
Michael J. Spencer 1:f5ac63519541 27 #define NET_LWIP_STACK 1
Michael J. Spencer 1:f5ac63519541 28 #include "if/net/nettcpsocket.h"
Michael J. Spencer 1:f5ac63519541 29 #include "LwipNetIf.h"
Michael J. Spencer 1:f5ac63519541 30
Michael J. Spencer 1:f5ac63519541 31 #include "stdint.h"
Michael J. Spencer 1:f5ac63519541 32
Michael J. Spencer 1:f5ac63519541 33 //Implements NetTcpSockets over lwIP raw API
Michael J. Spencer 1:f5ac63519541 34
Michael J. Spencer 1:f5ac63519541 35 struct tcp_pcb; //Represents a Tcp Connection, "Protocol Control Block", see rawapi.txt & tcp.h
Michael J. Spencer 1:f5ac63519541 36 struct pbuf; //Lwip Buffer Container
Michael J. Spencer 1:f5ac63519541 37
Michael J. Spencer 1:f5ac63519541 38 typedef signed char err_t;
Michael J. Spencer 1:f5ac63519541 39 typedef uint16_t u16_t;
Michael J. Spencer 1:f5ac63519541 40
Michael J. Spencer 1:f5ac63519541 41 class LwipNetTcpSocket: public NetTcpSocket
Michael J. Spencer 1:f5ac63519541 42 {
Michael J. Spencer 1:f5ac63519541 43 public:
Michael J. Spencer 1:f5ac63519541 44 LwipNetTcpSocket(tcp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership
Michael J. Spencer 1:f5ac63519541 45 virtual ~LwipNetTcpSocket();
Michael J. Spencer 1:f5ac63519541 46
Michael J. Spencer 1:f5ac63519541 47 virtual NetTcpSocketErr bind(const Host& me);
Michael J. Spencer 1:f5ac63519541 48 virtual NetTcpSocketErr listen();
Michael J. Spencer 1:f5ac63519541 49 virtual NetTcpSocketErr connect(const Host& host);
Michael J. Spencer 1:f5ac63519541 50 virtual NetTcpSocketErr accept(Host* pClient, NetTcpSocket** ppNewNetTcpSocket);
Michael J. Spencer 1:f5ac63519541 51
Michael J. Spencer 1:f5ac63519541 52 virtual int /*if < 0 : NetTcpSocketErr*/ send(const char* buf, int len);
Michael J. Spencer 1:f5ac63519541 53 virtual int /*if < 0 : NetTcpSocketErr*/ recv(char* buf, int len);
Michael J. Spencer 1:f5ac63519541 54
Michael J. Spencer 1:f5ac63519541 55 virtual NetTcpSocketErr close();
Michael J. Spencer 1:f5ac63519541 56
Michael J. Spencer 1:f5ac63519541 57 virtual NetTcpSocketErr poll();
Michael J. Spencer 1:f5ac63519541 58
Michael J. Spencer 1:f5ac63519541 59 protected:
Michael J. Spencer 1:f5ac63519541 60 volatile tcp_pcb* m_pPcb;
Michael J. Spencer 1:f5ac63519541 61
Michael J. Spencer 1:f5ac63519541 62 //Events callbacks from lwIp
Michael J. Spencer 1:f5ac63519541 63 err_t acceptCb(tcp_pcb* newpcb, err_t err);
Michael J. Spencer 1:f5ac63519541 64 err_t connectedCb(tcp_pcb* tpcb, err_t err);
Michael J. Spencer 1:f5ac63519541 65
Michael J. Spencer 1:f5ac63519541 66 void errCb(err_t err);
Michael J. Spencer 1:f5ac63519541 67
Michael J. Spencer 1:f5ac63519541 68 err_t sentCb(tcp_pcb* tpcb, u16_t len);
Michael J. Spencer 1:f5ac63519541 69 err_t recvCb(tcp_pcb* tpcb, pbuf *p, err_t err);
Michael J. Spencer 1:f5ac63519541 70
Michael J. Spencer 1:f5ac63519541 71 private:
Michael J. Spencer 1:f5ac63519541 72 void cleanUp(); //Flush input buffer
Michael J. Spencer 1:f5ac63519541 73
Michael J. Spencer 1:f5ac63519541 74 // queue<tcp_pcb*> m_lpInPcb; //Incoming connections that have not been accepted yet
Michael J. Spencer 1:f5ac63519541 75 queue<LwipNetTcpSocket*> m_lpInNetTcpSocket; //Incoming connections that have not been accepted yet
Michael J. Spencer 1:f5ac63519541 76
Michael J. Spencer 1:f5ac63519541 77 volatile pbuf* m_pReadPbuf; //Ptr to read buffer
Michael J. Spencer 1:f5ac63519541 78
Michael J. Spencer 1:f5ac63519541 79 //Static callbacks : Transforms into a C++ callback
Michael J. Spencer 1:f5ac63519541 80 static err_t sAcceptCb(void *arg, struct tcp_pcb *newpcb, err_t err);
Michael J. Spencer 1:f5ac63519541 81 static err_t sConnectedCb(void *arg, struct tcp_pcb *tpcb, err_t err);
Michael J. Spencer 1:f5ac63519541 82
Michael J. Spencer 1:f5ac63519541 83 static void sErrCb(void *arg, err_t err);
Michael J. Spencer 1:f5ac63519541 84
Michael J. Spencer 1:f5ac63519541 85 static err_t sSentCb(void *arg, struct tcp_pcb *tpcb, u16_t len);
Michael J. Spencer 1:f5ac63519541 86 static err_t sRecvCb(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err);
Michael J. Spencer 1:f5ac63519541 87
Michael J. Spencer 1:f5ac63519541 88 };
Michael J. Spencer 1:f5ac63519541 89
Michael J. Spencer 1:f5ac63519541 90 #endif