Michael Spencer / Mbed 2 deprecated LaOS

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed

NetServices/if/lwip/lwipNetUdpSocket.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 LWIPNETUDPSOCKET_H
Michael J. Spencer 1:f5ac63519541 25 #define LWIPNETUDPSOCKET_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 "lwip/ip_addr.h"
Michael J. Spencer 1:f5ac63519541 29 #include "if/net/netudpsocket.h"
Michael J. Spencer 1:f5ac63519541 30 #include "LwipNetIf.h"
Michael J. Spencer 1:f5ac63519541 31
Michael J. Spencer 1:f5ac63519541 32 #include "stdint.h"
Michael J. Spencer 1:f5ac63519541 33
Michael J. Spencer 1:f5ac63519541 34 #include <list>
Michael J. Spencer 1:f5ac63519541 35 using std::list;
Michael J. Spencer 1:f5ac63519541 36
Michael J. Spencer 1:f5ac63519541 37 //Implements NetUdpSockets over lwIP raw API
Michael J. Spencer 1:f5ac63519541 38
Michael J. Spencer 1:f5ac63519541 39 struct udp_pcb; //Represents a Udp Connection, "Protocol Control Block", see rawapi.txt & udp.h
Michael J. Spencer 1:f5ac63519541 40 struct pbuf; //Lwip Buffer Container
Michael J. Spencer 1:f5ac63519541 41 typedef struct ip_addr ip_addr_t;
Michael J. Spencer 1:f5ac63519541 42
Michael J. Spencer 1:f5ac63519541 43 //typedef signed char err_t;
Michael J. Spencer 1:f5ac63519541 44 typedef uint16_t u16_t;
Michael J. Spencer 1:f5ac63519541 45
Michael J. Spencer 1:f5ac63519541 46 class LwipNetUdpSocket: public NetUdpSocket
Michael J. Spencer 1:f5ac63519541 47 {
Michael J. Spencer 1:f5ac63519541 48 public:
Michael J. Spencer 1:f5ac63519541 49 LwipNetUdpSocket(udp_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 50 virtual ~LwipNetUdpSocket();
Michael J. Spencer 1:f5ac63519541 51
Michael J. Spencer 1:f5ac63519541 52 virtual NetUdpSocketErr bind(const Host& me);
Michael J. Spencer 1:f5ac63519541 53
Michael J. Spencer 1:f5ac63519541 54 virtual int /*if < 0 : NetUdpSocketErr*/ sendto(const char* buf, int len, Host* pHost);
Michael J. Spencer 1:f5ac63519541 55 virtual int /*if < 0 : NetUdpSocketErr*/ recvfrom(char* buf, int len, Host* pHost);
Michael J. Spencer 1:f5ac63519541 56
Michael J. Spencer 1:f5ac63519541 57 virtual NetUdpSocketErr close();
Michael J. Spencer 1:f5ac63519541 58
Michael J. Spencer 1:f5ac63519541 59 virtual NetUdpSocketErr poll();
Michael J. Spencer 1:f5ac63519541 60
Michael J. Spencer 1:f5ac63519541 61 protected:
Michael J. Spencer 1:f5ac63519541 62 volatile udp_pcb* m_pPcb;
Michael J. Spencer 1:f5ac63519541 63
Michael J. Spencer 1:f5ac63519541 64 //Event callback from lwIp
Michael J. Spencer 1:f5ac63519541 65 void recvCb(udp_pcb* pcb, struct pbuf* p, ip_addr_t* addr, u16_t port);
Michael J. Spencer 1:f5ac63519541 66
Michael J. Spencer 1:f5ac63519541 67 private:
Michael J. Spencer 1:f5ac63519541 68 void cleanUp(); //Flush input buffer
Michael J. Spencer 1:f5ac63519541 69 struct InPacket
Michael J. Spencer 1:f5ac63519541 70 {
Michael J. Spencer 1:f5ac63519541 71 volatile pbuf* pBuf;
Michael J. Spencer 1:f5ac63519541 72 ip_addr_t addr;
Michael J. Spencer 1:f5ac63519541 73 u16_t port;
Michael J. Spencer 1:f5ac63519541 74 };
Michael J. Spencer 1:f5ac63519541 75
Michael J. Spencer 1:f5ac63519541 76 list<InPacket> m_lInPkt;
Michael J. Spencer 1:f5ac63519541 77 IpAddr m_multicastGroup;
Michael J. Spencer 1:f5ac63519541 78
Michael J. Spencer 1:f5ac63519541 79 //Static callback : Transforms into a C++ callback
Michael J. Spencer 1:f5ac63519541 80 static void sRecvCb(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port);
Michael J. Spencer 1:f5ac63519541 81
Michael J. Spencer 1:f5ac63519541 82 };
Michael J. Spencer 1:f5ac63519541 83
Michael J. Spencer 1:f5ac63519541 84 #endif