UDPtest - Some quick code to use UDP-only (no TCP) with mBe…

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Some quick code to use UDP-only (no TCP) with mBed. Echos received packets and sends packets when a button is pressed

Core/NetServer.h@0:a548a085de55, 2010-03-14 (annotated)

Committer:: pehrhovey
Date:: Sun Mar 14 00:54:12 2010 +0000
Revision:: 0:a548a085de55

Who changed what in which revision?

User	Revision	Line number	New contents of line
pehrhovey	0:a548a085de55	1	#ifndef NETSERVER_H
pehrhovey	0:a548a085de55	2	#define NETSERVER_H
pehrhovey	0:a548a085de55	3
pehrhovey	0:a548a085de55	4	#include "ipv4/lwip/ip_addr.h"
pehrhovey	0:a548a085de55	5	#include "lwip/netif.h"
pehrhovey	0:a548a085de55	6	#include "netif/etharp.h"
pehrhovey	0:a548a085de55	7	#include "iputil.h"
pehrhovey	0:a548a085de55	8	#include "dns.h"
pehrhovey	0:a548a085de55	9	#include "mbed.h"
pehrhovey	0:a548a085de55	10
pehrhovey	0:a548a085de55	11	#include <list>
pehrhovey	0:a548a085de55	12
pehrhovey	0:a548a085de55	13	namespace mbed {
pehrhovey	0:a548a085de55	14	class TCPItem;
pehrhovey	0:a548a085de55	15	class TCPListener;
pehrhovey	0:a548a085de55	16	class TCPCallbackListener;
pehrhovey	0:a548a085de55	17	class TCPConnection;
pehrhovey	0:a548a085de55	18
pehrhovey	0:a548a085de55	19	/**
pehrhovey	0:a548a085de55	20	* Network main class
pehrhovey	0:a548a085de55	21	* provides the basic network features.
pehrhovey	0:a548a085de55	22	*/
pehrhovey	0:a548a085de55	23	class NetServer {
pehrhovey	0:a548a085de55	24	public:
pehrhovey	0:a548a085de55	25	/**
pehrhovey	0:a548a085de55	26	* Returns you the NetServer instance.
pehrhovey	0:a548a085de55	27	* If there is no object it will create a new one.
pehrhovey	0:a548a085de55	28	* But it will not initialise it.
pehrhovey	0:a548a085de55	29	* Configure the object for DHCP.
pehrhovey	0:a548a085de55	30	*/
pehrhovey	0:a548a085de55	31	static NetServer *create() {
pehrhovey	0:a548a085de55	32	if(!NetServer::singleton) {
pehrhovey	0:a548a085de55	33	NetServer::singleton = new NetServer();
pehrhovey	0:a548a085de55	34	}
pehrhovey	0:a548a085de55	35	return NetServer::singleton;
pehrhovey	0:a548a085de55	36	}
pehrhovey	0:a548a085de55	37
pehrhovey	0:a548a085de55	38	/**
pehrhovey	0:a548a085de55	39	* Returns you the NetServer instance.
pehrhovey	0:a548a085de55	40	* If there is no object it will create a new one.
pehrhovey	0:a548a085de55	41	* But it will not initialise it.
pehrhovey	0:a548a085de55	42	* You have to insert ipaddres, netmask and gateway.
pehrhovey	0:a548a085de55	43	*/
pehrhovey	0:a548a085de55	44	inline static NetServer *create(const struct ip_addr &ip, const struct ip_addr &netmask, const struct ip_addr &gateway) {
pehrhovey	0:a548a085de55	45	if(!NetServer::singleton) {
pehrhovey	0:a548a085de55	46	NetServer::singleton = new NetServer(ip, netmask, gateway);
pehrhovey	0:a548a085de55	47	}
pehrhovey	0:a548a085de55	48	return NetServer::singleton;
pehrhovey	0:a548a085de55	49	}
pehrhovey	0:a548a085de55	50
pehrhovey	0:a548a085de55	51	/**
pehrhovey	0:a548a085de55	52	* Returns you the NetServer instance.
pehrhovey	0:a548a085de55	53	* If there is no object it will create a new one
pehrhovey	0:a548a085de55	54	* and it will initialise it.
pehrhovey	0:a548a085de55	55	* A new created object will ever use DHCP and the default MAC address
pehrhovey	0:a548a085de55	56	* and default hostname.
pehrhovey	0:a548a085de55	57	*/
pehrhovey	0:a548a085de55	58	inline static NetServer *ready() {
pehrhovey	0:a548a085de55	59	if(!NetServer::singleton) {
pehrhovey	0:a548a085de55	60	NetServer::singleton = new NetServer();
pehrhovey	0:a548a085de55	61	}
pehrhovey	0:a548a085de55	62	if(!NetServer::singleton->netif->hwaddr_len) {
pehrhovey	0:a548a085de55	63	NetServer::singleton->init();
pehrhovey	0:a548a085de55	64	NetServer::singleton->waitUntilReady();
pehrhovey	0:a548a085de55	65	}
pehrhovey	0:a548a085de55	66	return NetServer::singleton;
pehrhovey	0:a548a085de55	67	}
pehrhovey	0:a548a085de55	68
pehrhovey	0:a548a085de55	69	/**
pehrhovey	0:a548a085de55	70	* Returns you the NetServer instance.
pehrhovey	0:a548a085de55	71	* Even if there is no one created.
pehrhovey	0:a548a085de55	72	* That means use with care and in combination with NetServer::ready().
pehrhovey	0:a548a085de55	73	* It is mutch quicker than NetServer::ready().
pehrhovey	0:a548a085de55	74	* First call one time NetServer::ready() and then NetServer::get()
pehrhovey	0:a548a085de55	75	* and you are save.
pehrhovey	0:a548a085de55	76	*/
pehrhovey	0:a548a085de55	77	inline static NetServer *get() {
pehrhovey	0:a548a085de55	78	return NetServer::singleton;
pehrhovey	0:a548a085de55	79	}
pehrhovey	0:a548a085de55	80
pehrhovey	0:a548a085de55	81	/**
pehrhovey	0:a548a085de55	82	* Polls one time on the NetServer and all registert Interfaces.
pehrhovey	0:a548a085de55	83	* Even if there is no one created.
pehrhovey	0:a548a085de55	84	* That means use with care and in combination with NetServer::ready().
pehrhovey	0:a548a085de55	85	* It is mutch faster than NetServer::ready()->_poll().
pehrhovey	0:a548a085de55	86	* First call one time NetServer::ready() and then NetServer::poll()
pehrhovey	0:a548a085de55	87	* and you are save.
pehrhovey	0:a548a085de55	88	*/
pehrhovey	0:a548a085de55	89	inline static void poll() {
pehrhovey	0:a548a085de55	90	singleton->_poll();
pehrhovey	0:a548a085de55	91	}
pehrhovey	0:a548a085de55	92
pehrhovey	0:a548a085de55	93	/**
pehrhovey	0:a548a085de55	94	* Default destructor.
pehrhovey	0:a548a085de55	95	*/
pehrhovey	0:a548a085de55	96	~NetServer();
pehrhovey	0:a548a085de55	97
pehrhovey	0:a548a085de55	98	/**
pehrhovey	0:a548a085de55	99	* Set MBed IP Address
pehrhovey	0:a548a085de55	100	*/
pehrhovey	0:a548a085de55	101	void setIPAddr(const struct ip_addr &value) { netif->ip_addr = ipaddr = value; }
pehrhovey	0:a548a085de55	102	/**
pehrhovey	0:a548a085de55	103	* Get MBed IP Address
pehrhovey	0:a548a085de55	104	*/
pehrhovey	0:a548a085de55	105	const struct ip_addr &getIPAddr() { return ipaddr = netif->ip_addr; }
pehrhovey	0:a548a085de55	106
pehrhovey	0:a548a085de55	107	/**
pehrhovey	0:a548a085de55	108	* Set Netmask
pehrhovey	0:a548a085de55	109	*/
pehrhovey	0:a548a085de55	110	void setNetmask(const struct ip_addr &value) { netif->netmask = netmask = value; }
pehrhovey	0:a548a085de55	111
pehrhovey	0:a548a085de55	112	/**
pehrhovey	0:a548a085de55	113	* Get Netmask
pehrhovey	0:a548a085de55	114	*/
pehrhovey	0:a548a085de55	115	const struct ip_addr &getNetmask() { return netmask = netif->netmask; }
pehrhovey	0:a548a085de55	116
pehrhovey	0:a548a085de55	117	/**
pehrhovey	0:a548a085de55	118	* Set default Gateway
pehrhovey	0:a548a085de55	119	*/
pehrhovey	0:a548a085de55	120	void setGateway(const struct ip_addr &value) { netif->gw = gateway = value; }
pehrhovey	0:a548a085de55	121
pehrhovey	0:a548a085de55	122	/**
pehrhovey	0:a548a085de55	123	* Get default Gateway
pehrhovey	0:a548a085de55	124	*/
pehrhovey	0:a548a085de55	125	const struct ip_addr &getGateway() { return gateway = netif->gw; }
pehrhovey	0:a548a085de55	126
pehrhovey	0:a548a085de55	127	/**
pehrhovey	0:a548a085de55	128	* Set first Domain Name Server
pehrhovey	0:a548a085de55	129	*/
pehrhovey	0:a548a085de55	130	void setDNS1(const struct ip_addr &value) { firstdns = value; dns_setserver(0, &firstdns); }
pehrhovey	0:a548a085de55	131
pehrhovey	0:a548a085de55	132	/**
pehrhovey	0:a548a085de55	133	* Get first Domain Name Server
pehrhovey	0:a548a085de55	134	*/
pehrhovey	0:a548a085de55	135	const struct ip_addr &getDNS1() { return firstdns = dns_getserver(0); }
pehrhovey	0:a548a085de55	136
pehrhovey	0:a548a085de55	137	/**
pehrhovey	0:a548a085de55	138	* Set second Domain Name Server
pehrhovey	0:a548a085de55	139	*/
pehrhovey	0:a548a085de55	140	void setDNS2(const struct ip_addr &value) { seconddns = value; dns_setserver(1, &firstdns); }
pehrhovey	0:a548a085de55	141
pehrhovey	0:a548a085de55	142	/**
pehrhovey	0:a548a085de55	143	* Get second Domain Name Server
pehrhovey	0:a548a085de55	144	*/
pehrhovey	0:a548a085de55	145	const struct ip_addr &getDNS2() { return seconddns = dns_getserver(1); }
pehrhovey	0:a548a085de55	146
pehrhovey	0:a548a085de55	147	/**
pehrhovey	0:a548a085de55	148	* Set MBed Hostname
pehrhovey	0:a548a085de55	149	*/
pehrhovey	0:a548a085de55	150	void setHostname(const char *value) { hostname = value; }
pehrhovey	0:a548a085de55	151
pehrhovey	0:a548a085de55	152	/**
pehrhovey	0:a548a085de55	153	* Get MBed Hostname
pehrhovey	0:a548a085de55	154	*/
pehrhovey	0:a548a085de55	155	const char *getHostname() const { return hostname; }
pehrhovey	0:a548a085de55	156
pehrhovey	0:a548a085de55	157	/**
pehrhovey	0:a548a085de55	158	* Define if DHCP sould be used.
pehrhovey	0:a548a085de55	159	* @param value Bool if true dhcp is used else a static ip setting is assumed.
pehrhovey	0:a548a085de55	160	*/
pehrhovey	0:a548a085de55	161	void setUseDHCP(const bool &value) { dhcp = value; }
pehrhovey	0:a548a085de55	162
pehrhovey	0:a548a085de55	163	/**
pehrhovey	0:a548a085de55	164	* Is the mbed board trying to use DHCP?
pehrhovey	0:a548a085de55	165	*/
pehrhovey	0:a548a085de55	166	const bool &getUseDHCP() const { return dhcp; }
pehrhovey	0:a548a085de55	167
pehrhovey	0:a548a085de55	168	/**
pehrhovey	0:a548a085de55	169	* Initialise the network environment. Set up all services.
pehrhovey	0:a548a085de55	170	* Please call after configuration.
pehrhovey	0:a548a085de55	171	*/
pehrhovey	0:a548a085de55	172	void init();
pehrhovey	0:a548a085de55	173
pehrhovey	0:a548a085de55	174	/**
pehrhovey	0:a548a085de55	175	* Set the network interface up.
pehrhovey	0:a548a085de55	176	* To enable the network interface after calling setDown()
pehrhovey	0:a548a085de55	177	* Automaticly called from init().
pehrhovey	0:a548a085de55	178	*/
pehrhovey	0:a548a085de55	179	void setUp() const;
pehrhovey	0:a548a085de55	180
pehrhovey	0:a548a085de55	181	/**
pehrhovey	0:a548a085de55	182	* Set the network interface down.
pehrhovey	0:a548a085de55	183	* To disable the network interface temporary.
pehrhovey	0:a548a085de55	184	* To make the interface avalible again use setUp().
pehrhovey	0:a548a085de55	185	*/
pehrhovey	0:a548a085de55	186	void setDown() const;
pehrhovey	0:a548a085de55	187
pehrhovey	0:a548a085de55	188	/**
pehrhovey	0:a548a085de55	189	* Returns 1 if the network is up otherwise 0.
pehrhovey	0:a548a085de55	190	*/
pehrhovey	0:a548a085de55	191	int isUp() const;
pehrhovey	0:a548a085de55	192
pehrhovey	0:a548a085de55	193	/**
pehrhovey	0:a548a085de55	194	* This function waits until the network interface is Up.
pehrhovey	0:a548a085de55	195	* To use to wait after init with DHCP. Helps continue work
pehrhovey	0:a548a085de55	196	* after the network interface is completly up.
pehrhovey	0:a548a085de55	197	*/
pehrhovey	0:a548a085de55	198	void waitUntilReady();
pehrhovey	0:a548a085de55	199
pehrhovey	0:a548a085de55	200	/**
pehrhovey	0:a548a085de55	201	* Bind Callbackfunctions to a TCPPort.
pehrhovey	0:a548a085de55	202	* It provides a clean lowlevel Interface to the TCPLayer.
pehrhovey	0:a548a085de55	203	*/
pehrhovey	0:a548a085de55	204	TCPCallbackListener bindTCPPort(u16_t, err_t ()(TCPCallbackListener , struct tcp_pcb , err_t)) const;
pehrhovey	0:a548a085de55	205
pehrhovey	0:a548a085de55	206	/**
pehrhovey	0:a548a085de55	207	* Frees TCPItems because they cant do it directly.
pehrhovey	0:a548a085de55	208	*/
pehrhovey	0:a548a085de55	209	void free(TCPItem *item) const;
pehrhovey	0:a548a085de55	210
pehrhovey	0:a548a085de55	211	static int time();
pehrhovey	0:a548a085de55	212
pehrhovey	0:a548a085de55	213	protected:
pehrhovey	0:a548a085de55	214	void _poll() const;
pehrhovey	0:a548a085de55	215
pehrhovey	0:a548a085de55	216	/**
pehrhovey	0:a548a085de55	217	* Default constructor tryes to bring the network interface up with dhcp.
pehrhovey	0:a548a085de55	218	*/
pehrhovey	0:a548a085de55	219	NetServer();
pehrhovey	0:a548a085de55	220
pehrhovey	0:a548a085de55	221	/**
pehrhovey	0:a548a085de55	222	* Constructor for fix ip setting
pehrhovey	0:a548a085de55	223	*/
pehrhovey	0:a548a085de55	224	NetServer(struct ip_addr me_ip, struct ip_addr netmask, struct ip_addr gateway);
pehrhovey	0:a548a085de55	225
pehrhovey	0:a548a085de55	226	private:
pehrhovey	0:a548a085de55	227	/**
pehrhovey	0:a548a085de55	228	* This is a singleton class.
pehrhovey	0:a548a085de55	229	* So we should not have a public copy constructor.
pehrhovey	0:a548a085de55	230	*/
pehrhovey	0:a548a085de55	231	NetServer(NetServer const&) {}
pehrhovey	0:a548a085de55	232	// NetServer &operator=(NetServer const&) {}
pehrhovey	0:a548a085de55	233
pehrhovey	0:a548a085de55	234	struct netif *netif;
pehrhovey	0:a548a085de55	235	struct netif netif_data;
pehrhovey	0:a548a085de55	236
pehrhovey	0:a548a085de55	237	struct ip_addr ipaddr;
pehrhovey	0:a548a085de55	238	struct ip_addr netmask;
pehrhovey	0:a548a085de55	239	struct ip_addr gateway;
pehrhovey	0:a548a085de55	240
pehrhovey	0:a548a085de55	241	struct ip_addr firstdns;
pehrhovey	0:a548a085de55	242	struct ip_addr seconddns;
pehrhovey	0:a548a085de55	243
pehrhovey	0:a548a085de55	244	bool dhcp;
pehrhovey	0:a548a085de55	245
pehrhovey	0:a548a085de55	246	list<TCPItem > del;
pehrhovey	0:a548a085de55	247
pehrhovey	0:a548a085de55	248	Ticker tickARP, /eth_tick,/ dns_tick, dhcp_coarse, dhcp_fine;
pehrhovey	0:a548a085de55	249	const char *hostname;
pehrhovey	0:a548a085de55	250	static NetServer *singleton;
pehrhovey	0:a548a085de55	251	Timer _time;
pehrhovey	0:a548a085de55	252	};
pehrhovey	0:a548a085de55	253
pehrhovey	0:a548a085de55	254	};
pehrhovey	0:a548a085de55	255	#endif /* NETSERVER_H */

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	14 Mar 2010
Imports:	240
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	5

Core/NetServer.h@0:a548a085de55, 2010-03-14 (annotated)

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