Simon Ford / NetServices

Version of http://mbed.org/cookbook/NetServicesTribute with setting set the same for LPC2368

Dependents:   UDPSocketExample 24LCxx_I2CApp WeatherPlatform_pachube HvZServerLib ... more

if/lwip/lwipNetUdpSocket.h@0:350011bf8be7, 2010-11-23 (annotated)

Committer:
simon
Date:
Tue Nov 23 14:15:36 2010 +0000
Revision:
0:350011bf8be7
Experimental version for testing UDP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon 0:350011bf8be7 1
simon 0:350011bf8be7 2 /*
simon 0:350011bf8be7 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
simon 0:350011bf8be7 4
simon 0:350011bf8be7 5 Permission is hereby granted, free of charge, to any person obtaining a copy
simon 0:350011bf8be7 6 of this software and associated documentation files (the "Software"), to deal
simon 0:350011bf8be7 7 in the Software without restriction, including without limitation the rights
simon 0:350011bf8be7 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
simon 0:350011bf8be7 9 copies of the Software, and to permit persons to whom the Software is
simon 0:350011bf8be7 10 furnished to do so, subject to the following conditions:
simon 0:350011bf8be7 11
simon 0:350011bf8be7 12 The above copyright notice and this permission notice shall be included in
simon 0:350011bf8be7 13 all copies or substantial portions of the Software.
simon 0:350011bf8be7 14
simon 0:350011bf8be7 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
simon 0:350011bf8be7 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
simon 0:350011bf8be7 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
simon 0:350011bf8be7 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
simon 0:350011bf8be7 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
simon 0:350011bf8be7 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
simon 0:350011bf8be7 21 THE SOFTWARE.
simon 0:350011bf8be7 22 */
simon 0:350011bf8be7 23
simon 0:350011bf8be7 24 #ifndef LWIPNETUDPSOCKET_H
simon 0:350011bf8be7 25 #define LWIPNETUDPSOCKET_H
simon 0:350011bf8be7 26
simon 0:350011bf8be7 27 #define NET_LWIP_STACK 1
simon 0:350011bf8be7 28 //#include "lwip/ip_addr.h"
simon 0:350011bf8be7 29 #include "if/net/netudpsocket.h"
simon 0:350011bf8be7 30 #include "LwipNetIf.h"
simon 0:350011bf8be7 31
simon 0:350011bf8be7 32 #include "stdint.h"
simon 0:350011bf8be7 33
simon 0:350011bf8be7 34 #include <list>
simon 0:350011bf8be7 35 using std::list;
simon 0:350011bf8be7 36
simon 0:350011bf8be7 37 //Implements NetUdpSockets over lwIP raw API
simon 0:350011bf8be7 38
simon 0:350011bf8be7 39 struct udp_pcb; //Represents a Udp Connection, "Protocol Control Block", see rawapi.txt & udp.h
simon 0:350011bf8be7 40 struct pbuf; //Lwip Buffer Container
simon 0:350011bf8be7 41 typedef struct ip_addr ip_addr_t;
simon 0:350011bf8be7 42
simon 0:350011bf8be7 43 //typedef signed char err_t;
simon 0:350011bf8be7 44 typedef uint16_t u16_t;
simon 0:350011bf8be7 45
simon 0:350011bf8be7 46 class LwipNetUdpSocket: public NetUdpSocket
simon 0:350011bf8be7 47 {
simon 0:350011bf8be7 48 public:
simon 0:350011bf8be7 49 LwipNetUdpSocket(udp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership
simon 0:350011bf8be7 50 virtual ~LwipNetUdpSocket();
simon 0:350011bf8be7 51
simon 0:350011bf8be7 52 virtual NetUdpSocketErr bind(const Host& me);
simon 0:350011bf8be7 53
simon 0:350011bf8be7 54 virtual int /*if < 0 : NetUdpSocketErr*/ sendto(const char* buf, int len, Host* pHost);
simon 0:350011bf8be7 55 virtual int /*if < 0 : NetUdpSocketErr*/ recvfrom(char* buf, int len, Host* pHost);
simon 0:350011bf8be7 56
simon 0:350011bf8be7 57 virtual NetUdpSocketErr close();
simon 0:350011bf8be7 58
simon 0:350011bf8be7 59 virtual NetUdpSocketErr poll();
simon 0:350011bf8be7 60
simon 0:350011bf8be7 61 protected:
simon 0:350011bf8be7 62 volatile udp_pcb* m_pPcb;
simon 0:350011bf8be7 63
simon 0:350011bf8be7 64 //Event callback from lwIp
simon 0:350011bf8be7 65 void recvCb(udp_pcb* pcb, struct pbuf* p, ip_addr_t* addr, u16_t port);
simon 0:350011bf8be7 66
simon 0:350011bf8be7 67 private:
simon 0:350011bf8be7 68 void cleanUp(); //Flush input buffer
simon 0:350011bf8be7 69 struct InPacket
simon 0:350011bf8be7 70 {
simon 0:350011bf8be7 71 volatile pbuf* pBuf;
simon 0:350011bf8be7 72 ip_addr_t addr;
simon 0:350011bf8be7 73 u16_t port;
simon 0:350011bf8be7 74 };
simon 0:350011bf8be7 75
simon 0:350011bf8be7 76 list<InPacket> m_lInPkt;
simon 0:350011bf8be7 77 IpAddr m_multicastGroup;
simon 0:350011bf8be7 78
simon 0:350011bf8be7 79 //Static callback : Transforms into a C++ callback
simon 0:350011bf8be7 80 static void sRecvCb(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port);
simon 0:350011bf8be7 81
simon 0:350011bf8be7 82 };
simon 0:350011bf8be7 83
simon 0:350011bf8be7 84 #endif