Jonathan Caes / InetTest-8d87bc453349

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Dependencies:   DS1307 TextLCD mbed

InetTest-8d87bc453349/NetServices/if/lwip/lwipNetUdpSocket.h@0:a16f60a71395, 2014-12-18 (annotated)

Committer:
JonathanCaes
Date:
Thu Dec 18 10:34:38 2014 +0000
Revision:
0:a16f60a71395
Project C mbed

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JonathanCaes 0:a16f60a71395 1
JonathanCaes 0:a16f60a71395 2 /*
JonathanCaes 0:a16f60a71395 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
JonathanCaes 0:a16f60a71395 4
JonathanCaes 0:a16f60a71395 5 Permission is hereby granted, free of charge, to any person obtaining a copy
JonathanCaes 0:a16f60a71395 6 of this software and associated documentation files (the "Software"), to deal
JonathanCaes 0:a16f60a71395 7 in the Software without restriction, including without limitation the rights
JonathanCaes 0:a16f60a71395 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
JonathanCaes 0:a16f60a71395 9 copies of the Software, and to permit persons to whom the Software is
JonathanCaes 0:a16f60a71395 10 furnished to do so, subject to the following conditions:
JonathanCaes 0:a16f60a71395 11
JonathanCaes 0:a16f60a71395 12 The above copyright notice and this permission notice shall be included in
JonathanCaes 0:a16f60a71395 13 all copies or substantial portions of the Software.
JonathanCaes 0:a16f60a71395 14
JonathanCaes 0:a16f60a71395 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
JonathanCaes 0:a16f60a71395 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
JonathanCaes 0:a16f60a71395 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
JonathanCaes 0:a16f60a71395 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
JonathanCaes 0:a16f60a71395 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
JonathanCaes 0:a16f60a71395 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
JonathanCaes 0:a16f60a71395 21 THE SOFTWARE.
JonathanCaes 0:a16f60a71395 22 */
JonathanCaes 0:a16f60a71395 23
JonathanCaes 0:a16f60a71395 24 #ifndef LWIPNETUDPSOCKET_H
JonathanCaes 0:a16f60a71395 25 #define LWIPNETUDPSOCKET_H
JonathanCaes 0:a16f60a71395 26
JonathanCaes 0:a16f60a71395 27 #define NET_LWIP_STACK 1
JonathanCaes 0:a16f60a71395 28 //#include "lwip/ip_addr.h"
JonathanCaes 0:a16f60a71395 29 #include "if/net/netudpsocket.h"
JonathanCaes 0:a16f60a71395 30 #include "LwipNetIf.h"
JonathanCaes 0:a16f60a71395 31
JonathanCaes 0:a16f60a71395 32 #include "stdint.h"
JonathanCaes 0:a16f60a71395 33
JonathanCaes 0:a16f60a71395 34 #include <list>
JonathanCaes 0:a16f60a71395 35 using std::list;
JonathanCaes 0:a16f60a71395 36
JonathanCaes 0:a16f60a71395 37 //Implements NetUdpSockets over lwIP raw API
JonathanCaes 0:a16f60a71395 38
JonathanCaes 0:a16f60a71395 39 struct udp_pcb; //Represents a Udp Connection, "Protocol Control Block", see rawapi.txt & udp.h
JonathanCaes 0:a16f60a71395 40 struct pbuf; //Lwip Buffer Container
JonathanCaes 0:a16f60a71395 41 typedef struct ip_addr ip_addr_t;
JonathanCaes 0:a16f60a71395 42
JonathanCaes 0:a16f60a71395 43 //typedef signed char err_t;
JonathanCaes 0:a16f60a71395 44 typedef uint16_t u16_t;
JonathanCaes 0:a16f60a71395 45
JonathanCaes 0:a16f60a71395 46 class LwipNetUdpSocket: public NetUdpSocket
JonathanCaes 0:a16f60a71395 47 {
JonathanCaes 0:a16f60a71395 48 public:
JonathanCaes 0:a16f60a71395 49 LwipNetUdpSocket(udp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership
JonathanCaes 0:a16f60a71395 50 virtual ~LwipNetUdpSocket();
JonathanCaes 0:a16f60a71395 51
JonathanCaes 0:a16f60a71395 52 virtual NetUdpSocketErr bind(const Host& me);
JonathanCaes 0:a16f60a71395 53
JonathanCaes 0:a16f60a71395 54 virtual int /*if < 0 : NetUdpSocketErr*/ sendto(const char* buf, int len, Host* pHost);
JonathanCaes 0:a16f60a71395 55 virtual int /*if < 0 : NetUdpSocketErr*/ recvfrom(char* buf, int len, Host* pHost);
JonathanCaes 0:a16f60a71395 56
JonathanCaes 0:a16f60a71395 57 virtual NetUdpSocketErr close();
JonathanCaes 0:a16f60a71395 58
JonathanCaes 0:a16f60a71395 59 virtual NetUdpSocketErr poll();
JonathanCaes 0:a16f60a71395 60
JonathanCaes 0:a16f60a71395 61 protected:
JonathanCaes 0:a16f60a71395 62 volatile udp_pcb* m_pPcb;
JonathanCaes 0:a16f60a71395 63
JonathanCaes 0:a16f60a71395 64 //Event callback from lwIp
JonathanCaes 0:a16f60a71395 65 void recvCb(udp_pcb* pcb, struct pbuf* p, ip_addr_t* addr, u16_t port);
JonathanCaes 0:a16f60a71395 66
JonathanCaes 0:a16f60a71395 67 private:
JonathanCaes 0:a16f60a71395 68 void cleanUp(); //Flush input buffer
JonathanCaes 0:a16f60a71395 69 struct InPacket
JonathanCaes 0:a16f60a71395 70 {
JonathanCaes 0:a16f60a71395 71 volatile pbuf* pBuf;
JonathanCaes 0:a16f60a71395 72 ip_addr_t addr;
JonathanCaes 0:a16f60a71395 73 u16_t port;
JonathanCaes 0:a16f60a71395 74 };
JonathanCaes 0:a16f60a71395 75
JonathanCaes 0:a16f60a71395 76 list<InPacket> m_lInPkt;
JonathanCaes 0:a16f60a71395 77 IpAddr m_multicastGroup;
JonathanCaes 0:a16f60a71395 78
JonathanCaes 0:a16f60a71395 79 //Static callback : Transforms into a C++ callback
JonathanCaes 0:a16f60a71395 80 static void sRecvCb(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port);
JonathanCaes 0:a16f60a71395 81
JonathanCaes 0:a16f60a71395 82 };
JonathanCaes 0:a16f60a71395 83
JonathanCaes 0:a16f60a71395 84 #endif