A modified version of http://mbed.org/users/segundo/libraries/NetServices/ljhqix to add HTTP proxy feature (based on http://mbed.org/users/igorsk/programs/NetServicesSource/ltjpag)

Dependents:   SenseClient

Committer:
mimil
Date:
Tue Sep 06 13:26:45 2011 +0000
Revision:
0:308f83189a3f

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mimil 0:308f83189a3f 1
mimil 0:308f83189a3f 2 /*
mimil 0:308f83189a3f 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
mimil 0:308f83189a3f 4
mimil 0:308f83189a3f 5 Permission is hereby granted, free of charge, to any person obtaining a copy
mimil 0:308f83189a3f 6 of this software and associated documentation files (the "Software"), to deal
mimil 0:308f83189a3f 7 in the Software without restriction, including without limitation the rights
mimil 0:308f83189a3f 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mimil 0:308f83189a3f 9 copies of the Software, and to permit persons to whom the Software is
mimil 0:308f83189a3f 10 furnished to do so, subject to the following conditions:
mimil 0:308f83189a3f 11
mimil 0:308f83189a3f 12 The above copyright notice and this permission notice shall be included in
mimil 0:308f83189a3f 13 all copies or substantial portions of the Software.
mimil 0:308f83189a3f 14
mimil 0:308f83189a3f 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mimil 0:308f83189a3f 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mimil 0:308f83189a3f 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mimil 0:308f83189a3f 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mimil 0:308f83189a3f 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mimil 0:308f83189a3f 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
mimil 0:308f83189a3f 21 THE SOFTWARE.
mimil 0:308f83189a3f 22 */
mimil 0:308f83189a3f 23
mimil 0:308f83189a3f 24 #ifndef LWIPNETUDPSOCKET_H
mimil 0:308f83189a3f 25 #define LWIPNETUDPSOCKET_H
mimil 0:308f83189a3f 26
mimil 0:308f83189a3f 27 #define NET_LWIP_STACK 1
mimil 0:308f83189a3f 28 //#include "lwip/ip_addr.h"
mimil 0:308f83189a3f 29 #include "if/net/netudpsocket.h"
mimil 0:308f83189a3f 30 #include "LwipNetIf.h"
mimil 0:308f83189a3f 31
mimil 0:308f83189a3f 32 #include "stdint.h"
mimil 0:308f83189a3f 33
mimil 0:308f83189a3f 34 #include <list>
mimil 0:308f83189a3f 35 using std::list;
mimil 0:308f83189a3f 36
mimil 0:308f83189a3f 37 //Implements NetUdpSockets over lwIP raw API
mimil 0:308f83189a3f 38
mimil 0:308f83189a3f 39 struct udp_pcb; //Represents a Udp Connection, "Protocol Control Block", see rawapi.txt & udp.h
mimil 0:308f83189a3f 40 struct pbuf; //Lwip Buffer Container
mimil 0:308f83189a3f 41 typedef struct ip_addr ip_addr_t;
mimil 0:308f83189a3f 42
mimil 0:308f83189a3f 43 //typedef signed char err_t;
mimil 0:308f83189a3f 44 typedef uint16_t u16_t;
mimil 0:308f83189a3f 45
mimil 0:308f83189a3f 46 class LwipNetUdpSocket: public NetUdpSocket
mimil 0:308f83189a3f 47 {
mimil 0:308f83189a3f 48 public:
mimil 0:308f83189a3f 49 LwipNetUdpSocket(udp_pcb* pPcb = NULL); //Passes a pcb if already created (by an accept req for instance), in that case transfers ownership
mimil 0:308f83189a3f 50 virtual ~LwipNetUdpSocket();
mimil 0:308f83189a3f 51
mimil 0:308f83189a3f 52 virtual NetUdpSocketErr bind(const Host& me);
mimil 0:308f83189a3f 53
mimil 0:308f83189a3f 54 virtual int /*if < 0 : NetUdpSocketErr*/ sendto(const char* buf, int len, Host* pHost);
mimil 0:308f83189a3f 55 virtual int /*if < 0 : NetUdpSocketErr*/ recvfrom(char* buf, int len, Host* pHost);
mimil 0:308f83189a3f 56
mimil 0:308f83189a3f 57 virtual NetUdpSocketErr close();
mimil 0:308f83189a3f 58
mimil 0:308f83189a3f 59 virtual NetUdpSocketErr poll();
mimil 0:308f83189a3f 60
mimil 0:308f83189a3f 61 protected:
mimil 0:308f83189a3f 62 volatile udp_pcb* m_pPcb;
mimil 0:308f83189a3f 63
mimil 0:308f83189a3f 64 //Event callback from lwIp
mimil 0:308f83189a3f 65 void recvCb(udp_pcb* pcb, struct pbuf* p, ip_addr_t* addr, u16_t port);
mimil 0:308f83189a3f 66
mimil 0:308f83189a3f 67 private:
mimil 0:308f83189a3f 68 void cleanUp(); //Flush input buffer
mimil 0:308f83189a3f 69 struct InPacket
mimil 0:308f83189a3f 70 {
mimil 0:308f83189a3f 71 volatile pbuf* pBuf;
mimil 0:308f83189a3f 72 ip_addr_t addr;
mimil 0:308f83189a3f 73 u16_t port;
mimil 0:308f83189a3f 74 };
mimil 0:308f83189a3f 75
mimil 0:308f83189a3f 76 list<InPacket> m_lInPkt;
mimil 0:308f83189a3f 77 IpAddr m_multicastGroup;
mimil 0:308f83189a3f 78
mimil 0:308f83189a3f 79 //Static callback : Transforms into a C++ callback
mimil 0:308f83189a3f 80 static void sRecvCb(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port);
mimil 0:308f83189a3f 81
mimil 0:308f83189a3f 82 };
mimil 0:308f83189a3f 83
mimil 0:308f83189a3f 84 #endif