Rod Coleman / lwip-mbed-2010

Port of LwIP performed by Ralf in 2010. Not recommended for use with recent mbed libraries, but good demos of raw LwIP possible

Dependents:   LwIP_raw_API_serverExample tiny-dtls

Core/NetServer.h@0:0791c1fece8e, 2012-09-18 (annotated)

Committer:
RodColeman
Date:
Tue Sep 18 14:41:24 2012 +0000
Revision:
0:0791c1fece8e
[mbed] converted /Eth_TCP_Wei_Server/lwip

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RodColeman 0:0791c1fece8e 1 #ifndef NETSERVER_H
RodColeman 0:0791c1fece8e 2 #define NETSERVER_H
RodColeman 0:0791c1fece8e 3
RodColeman 0:0791c1fece8e 4 #include "ipv4/lwip/ip_addr.h"
RodColeman 0:0791c1fece8e 5 #include "lwip/netif.h"
RodColeman 0:0791c1fece8e 6 #include "netif/etharp.h"
RodColeman 0:0791c1fece8e 7 #include "iputil.h"
RodColeman 0:0791c1fece8e 8 #include "dns.h"
RodColeman 0:0791c1fece8e 9 #include "mbed.h"
RodColeman 0:0791c1fece8e 10
RodColeman 0:0791c1fece8e 11 #include <list>
RodColeman 0:0791c1fece8e 12
RodColeman 0:0791c1fece8e 13 namespace mbed {
RodColeman 0:0791c1fece8e 14 class TCPItem;
RodColeman 0:0791c1fece8e 15 class TCPListener;
RodColeman 0:0791c1fece8e 16 class TCPCallbackListener;
RodColeman 0:0791c1fece8e 17 class TCPConnection;
RodColeman 0:0791c1fece8e 18
RodColeman 0:0791c1fece8e 19 /**
RodColeman 0:0791c1fece8e 20 * Network main class
RodColeman 0:0791c1fece8e 21 * provides the basic network features.
RodColeman 0:0791c1fece8e 22 */
RodColeman 0:0791c1fece8e 23 class NetServer {
RodColeman 0:0791c1fece8e 24 public:
RodColeman 0:0791c1fece8e 25 /**
RodColeman 0:0791c1fece8e 26 * Returns you the NetServer instance.
RodColeman 0:0791c1fece8e 27 * If there is no object it will create a new one.
RodColeman 0:0791c1fece8e 28 * But it will not initialise it.
RodColeman 0:0791c1fece8e 29 * Configure the object for DHCP.
RodColeman 0:0791c1fece8e 30 */
RodColeman 0:0791c1fece8e 31 static NetServer *create() {
RodColeman 0:0791c1fece8e 32 if(!NetServer::singleton) {
RodColeman 0:0791c1fece8e 33 NetServer::singleton = new NetServer();
RodColeman 0:0791c1fece8e 34 }
RodColeman 0:0791c1fece8e 35 return NetServer::singleton;
RodColeman 0:0791c1fece8e 36 }
RodColeman 0:0791c1fece8e 37
RodColeman 0:0791c1fece8e 38 /**
RodColeman 0:0791c1fece8e 39 * Returns you the NetServer instance.
RodColeman 0:0791c1fece8e 40 * If there is no object it will create a new one.
RodColeman 0:0791c1fece8e 41 * But it will not initialise it.
RodColeman 0:0791c1fece8e 42 * You have to insert ipaddres, netmask and gateway.
RodColeman 0:0791c1fece8e 43 */
RodColeman 0:0791c1fece8e 44 inline static NetServer *create(const struct ip_addr &ip, const struct ip_addr &netmask, const struct ip_addr &gateway) {
RodColeman 0:0791c1fece8e 45 if(!NetServer::singleton) {
RodColeman 0:0791c1fece8e 46 NetServer::singleton = new NetServer(ip, netmask, gateway);
RodColeman 0:0791c1fece8e 47 }
RodColeman 0:0791c1fece8e 48 return NetServer::singleton;
RodColeman 0:0791c1fece8e 49 }
RodColeman 0:0791c1fece8e 50
RodColeman 0:0791c1fece8e 51 /**
RodColeman 0:0791c1fece8e 52 * Returns you the NetServer instance.
RodColeman 0:0791c1fece8e 53 * If there is no object it will create a new one
RodColeman 0:0791c1fece8e 54 * and it will initialise it.
RodColeman 0:0791c1fece8e 55 * A new created object will ever use DHCP and the default MAC address
RodColeman 0:0791c1fece8e 56 * and default hostname.
RodColeman 0:0791c1fece8e 57 */
RodColeman 0:0791c1fece8e 58 inline static NetServer *ready() {
RodColeman 0:0791c1fece8e 59 if(!NetServer::singleton) {
RodColeman 0:0791c1fece8e 60 NetServer::singleton = new NetServer();
RodColeman 0:0791c1fece8e 61 }
RodColeman 0:0791c1fece8e 62 if(!NetServer::singleton->netif->hwaddr_len) {
RodColeman 0:0791c1fece8e 63 NetServer::singleton->init();
RodColeman 0:0791c1fece8e 64 NetServer::singleton->waitUntilReady();
RodColeman 0:0791c1fece8e 65 }
RodColeman 0:0791c1fece8e 66 return NetServer::singleton;
RodColeman 0:0791c1fece8e 67 }
RodColeman 0:0791c1fece8e 68
RodColeman 0:0791c1fece8e 69 /**
RodColeman 0:0791c1fece8e 70 * Returns you the NetServer instance.
RodColeman 0:0791c1fece8e 71 * Even if there is no one created.
RodColeman 0:0791c1fece8e 72 * That means use with care and in combination with NetServer::ready().
RodColeman 0:0791c1fece8e 73 * It is mutch quicker than NetServer::ready().
RodColeman 0:0791c1fece8e 74 * First call one time NetServer::ready() and then NetServer::get()
RodColeman 0:0791c1fece8e 75 * and you are save.
RodColeman 0:0791c1fece8e 76 */
RodColeman 0:0791c1fece8e 77 inline static NetServer *get() {
RodColeman 0:0791c1fece8e 78 return NetServer::singleton;
RodColeman 0:0791c1fece8e 79 }
RodColeman 0:0791c1fece8e 80
RodColeman 0:0791c1fece8e 81 /**
RodColeman 0:0791c1fece8e 82 * Polls one time on the NetServer and all registert Interfaces.
RodColeman 0:0791c1fece8e 83 * Even if there is no one created.
RodColeman 0:0791c1fece8e 84 * That means use with care and in combination with NetServer::ready().
RodColeman 0:0791c1fece8e 85 * It is mutch faster than NetServer::ready()->_poll().
RodColeman 0:0791c1fece8e 86 * First call one time NetServer::ready() and then NetServer::poll()
RodColeman 0:0791c1fece8e 87 * and you are save.
RodColeman 0:0791c1fece8e 88 */
RodColeman 0:0791c1fece8e 89 inline static void poll() {
RodColeman 0:0791c1fece8e 90 singleton->_poll();
RodColeman 0:0791c1fece8e 91 }
RodColeman 0:0791c1fece8e 92
RodColeman 0:0791c1fece8e 93 /**
RodColeman 0:0791c1fece8e 94 * Default destructor.
RodColeman 0:0791c1fece8e 95 */
RodColeman 0:0791c1fece8e 96 ~NetServer();
RodColeman 0:0791c1fece8e 97
RodColeman 0:0791c1fece8e 98 /**
RodColeman 0:0791c1fece8e 99 * Set MBed IP Address
RodColeman 0:0791c1fece8e 100 */
RodColeman 0:0791c1fece8e 101 void setIPAddr(const struct ip_addr &value) { netif->ip_addr = ipaddr = value; }
RodColeman 0:0791c1fece8e 102 /**
RodColeman 0:0791c1fece8e 103 * Get MBed IP Address
RodColeman 0:0791c1fece8e 104 */
RodColeman 0:0791c1fece8e 105 const struct ip_addr &getIPAddr() { return ipaddr = netif->ip_addr; }
RodColeman 0:0791c1fece8e 106
RodColeman 0:0791c1fece8e 107 /**
RodColeman 0:0791c1fece8e 108 * Set Netmask
RodColeman 0:0791c1fece8e 109 */
RodColeman 0:0791c1fece8e 110 void setNetmask(const struct ip_addr &value) { netif->netmask = netmask = value; }
RodColeman 0:0791c1fece8e 111
RodColeman 0:0791c1fece8e 112 /**
RodColeman 0:0791c1fece8e 113 * Get Netmask
RodColeman 0:0791c1fece8e 114 */
RodColeman 0:0791c1fece8e 115 const struct ip_addr &getNetmask() { return netmask = netif->netmask; }
RodColeman 0:0791c1fece8e 116
RodColeman 0:0791c1fece8e 117 /**
RodColeman 0:0791c1fece8e 118 * Set default Gateway
RodColeman 0:0791c1fece8e 119 */
RodColeman 0:0791c1fece8e 120 void setGateway(const struct ip_addr &value) { netif->gw = gateway = value; }
RodColeman 0:0791c1fece8e 121
RodColeman 0:0791c1fece8e 122 /**
RodColeman 0:0791c1fece8e 123 * Get default Gateway
RodColeman 0:0791c1fece8e 124 */
RodColeman 0:0791c1fece8e 125 const struct ip_addr &getGateway() { return gateway = netif->gw; }
RodColeman 0:0791c1fece8e 126
RodColeman 0:0791c1fece8e 127 /**
RodColeman 0:0791c1fece8e 128 * Set first Domain Name Server
RodColeman 0:0791c1fece8e 129 */
RodColeman 0:0791c1fece8e 130 void setDNS1(const struct ip_addr &value) { firstdns = value; dns_setserver(0, &firstdns); }
RodColeman 0:0791c1fece8e 131
RodColeman 0:0791c1fece8e 132 /**
RodColeman 0:0791c1fece8e 133 * Get first Domain Name Server
RodColeman 0:0791c1fece8e 134 */
RodColeman 0:0791c1fece8e 135 const struct ip_addr &getDNS1() { return firstdns = dns_getserver(0); }
RodColeman 0:0791c1fece8e 136
RodColeman 0:0791c1fece8e 137 /**
RodColeman 0:0791c1fece8e 138 * Set second Domain Name Server
RodColeman 0:0791c1fece8e 139 */
RodColeman 0:0791c1fece8e 140 void setDNS2(const struct ip_addr &value) { seconddns = value; dns_setserver(1, &firstdns); }
RodColeman 0:0791c1fece8e 141
RodColeman 0:0791c1fece8e 142 /**
RodColeman 0:0791c1fece8e 143 * Get second Domain Name Server
RodColeman 0:0791c1fece8e 144 */
RodColeman 0:0791c1fece8e 145 const struct ip_addr &getDNS2() { return seconddns = dns_getserver(1); }
RodColeman 0:0791c1fece8e 146
RodColeman 0:0791c1fece8e 147 /**
RodColeman 0:0791c1fece8e 148 * Set MBed Hostname
RodColeman 0:0791c1fece8e 149 */
RodColeman 0:0791c1fece8e 150 void setHostname(const char *value) { hostname = value; }
RodColeman 0:0791c1fece8e 151
RodColeman 0:0791c1fece8e 152 /**
RodColeman 0:0791c1fece8e 153 * Get MBed Hostname
RodColeman 0:0791c1fece8e 154 */
RodColeman 0:0791c1fece8e 155 const char *getHostname() const { return hostname; }
RodColeman 0:0791c1fece8e 156
RodColeman 0:0791c1fece8e 157 /**
RodColeman 0:0791c1fece8e 158 * Define if DHCP sould be used.
RodColeman 0:0791c1fece8e 159 * @param value Bool if true dhcp is used else a static ip setting is assumed.
RodColeman 0:0791c1fece8e 160 */
RodColeman 0:0791c1fece8e 161 void setUseDHCP(const bool &value) { dhcp = value; }
RodColeman 0:0791c1fece8e 162
RodColeman 0:0791c1fece8e 163 /**
RodColeman 0:0791c1fece8e 164 * Is the mbed board trying to use DHCP?
RodColeman 0:0791c1fece8e 165 */
RodColeman 0:0791c1fece8e 166 const bool &getUseDHCP() const { return dhcp; }
RodColeman 0:0791c1fece8e 167
RodColeman 0:0791c1fece8e 168 /**
RodColeman 0:0791c1fece8e 169 * Initialise the network environment. Set up all services.
RodColeman 0:0791c1fece8e 170 * Please call after configuration.
RodColeman 0:0791c1fece8e 171 */
RodColeman 0:0791c1fece8e 172 void init();
RodColeman 0:0791c1fece8e 173
RodColeman 0:0791c1fece8e 174 /**
RodColeman 0:0791c1fece8e 175 * Set the network interface up.
RodColeman 0:0791c1fece8e 176 * To enable the network interface after calling setDown()
RodColeman 0:0791c1fece8e 177 * Automaticly called from init().
RodColeman 0:0791c1fece8e 178 */
RodColeman 0:0791c1fece8e 179 void setUp() const;
RodColeman 0:0791c1fece8e 180
RodColeman 0:0791c1fece8e 181 /**
RodColeman 0:0791c1fece8e 182 * Set the network interface down.
RodColeman 0:0791c1fece8e 183 * To disable the network interface temporary.
RodColeman 0:0791c1fece8e 184 * To make the interface avalible again use setUp().
RodColeman 0:0791c1fece8e 185 */
RodColeman 0:0791c1fece8e 186 void setDown() const;
RodColeman 0:0791c1fece8e 187
RodColeman 0:0791c1fece8e 188 /**
RodColeman 0:0791c1fece8e 189 * Returns 1 if the network is up otherwise 0.
RodColeman 0:0791c1fece8e 190 */
RodColeman 0:0791c1fece8e 191 int isUp() const;
RodColeman 0:0791c1fece8e 192
RodColeman 0:0791c1fece8e 193 /**
RodColeman 0:0791c1fece8e 194 * This function waits until the network interface is Up.
RodColeman 0:0791c1fece8e 195 * To use to wait after init with DHCP. Helps continue work
RodColeman 0:0791c1fece8e 196 * after the network interface is completly up.
RodColeman 0:0791c1fece8e 197 */
RodColeman 0:0791c1fece8e 198 void waitUntilReady();
RodColeman 0:0791c1fece8e 199
RodColeman 0:0791c1fece8e 200 /**
RodColeman 0:0791c1fece8e 201 * Bind Callbackfunctions to a TCPPort.
RodColeman 0:0791c1fece8e 202 * It provides a clean lowlevel Interface to the TCPLayer.
RodColeman 0:0791c1fece8e 203 */
RodColeman 0:0791c1fece8e 204 TCPCallbackListener *bindTCPPort(u16_t, err_t (*)(TCPCallbackListener *, struct tcp_pcb *, err_t)) const;
RodColeman 0:0791c1fece8e 205
RodColeman 0:0791c1fece8e 206 /**
RodColeman 0:0791c1fece8e 207 * Frees TCPItems because they cant do it directly.
RodColeman 0:0791c1fece8e 208 */
RodColeman 0:0791c1fece8e 209 void free(TCPItem *item) const;
RodColeman 0:0791c1fece8e 210
RodColeman 0:0791c1fece8e 211 static int time();
RodColeman 0:0791c1fece8e 212
RodColeman 0:0791c1fece8e 213 protected:
RodColeman 0:0791c1fece8e 214 void _poll() const;
RodColeman 0:0791c1fece8e 215
RodColeman 0:0791c1fece8e 216 /**
RodColeman 0:0791c1fece8e 217 * Default constructor tryes to bring the network interface up with dhcp.
RodColeman 0:0791c1fece8e 218 */
RodColeman 0:0791c1fece8e 219 NetServer();
RodColeman 0:0791c1fece8e 220
RodColeman 0:0791c1fece8e 221 /**
RodColeman 0:0791c1fece8e 222 * Constructor for fix ip setting
RodColeman 0:0791c1fece8e 223 */
RodColeman 0:0791c1fece8e 224 NetServer(struct ip_addr me_ip, struct ip_addr netmask, struct ip_addr gateway);
RodColeman 0:0791c1fece8e 225
RodColeman 0:0791c1fece8e 226 private:
RodColeman 0:0791c1fece8e 227 /**
RodColeman 0:0791c1fece8e 228 * This is a singleton class.
RodColeman 0:0791c1fece8e 229 * So we should not have a public copy constructor.
RodColeman 0:0791c1fece8e 230 */
RodColeman 0:0791c1fece8e 231 NetServer(NetServer const&) {}
RodColeman 0:0791c1fece8e 232 // NetServer &operator=(NetServer const&) {}
RodColeman 0:0791c1fece8e 233
RodColeman 0:0791c1fece8e 234 struct netif *netif;
RodColeman 0:0791c1fece8e 235 struct netif netif_data;
RodColeman 0:0791c1fece8e 236
RodColeman 0:0791c1fece8e 237 struct ip_addr ipaddr;
RodColeman 0:0791c1fece8e 238 struct ip_addr netmask;
RodColeman 0:0791c1fece8e 239 struct ip_addr gateway;
RodColeman 0:0791c1fece8e 240
RodColeman 0:0791c1fece8e 241 struct ip_addr firstdns;
RodColeman 0:0791c1fece8e 242 struct ip_addr seconddns;
RodColeman 0:0791c1fece8e 243
RodColeman 0:0791c1fece8e 244 bool dhcp;
RodColeman 0:0791c1fece8e 245
RodColeman 0:0791c1fece8e 246 list<TCPItem *> *del;
RodColeman 0:0791c1fece8e 247
RodColeman 0:0791c1fece8e 248 Ticker tickARP, /*eth_tick,*/ dns_tick, dhcp_coarse, dhcp_fine;
RodColeman 0:0791c1fece8e 249 const char *hostname;
RodColeman 0:0791c1fece8e 250 static NetServer *singleton;
RodColeman 0:0791c1fece8e 251 Timer _time;
RodColeman 0:0791c1fece8e 252 };
RodColeman 0:0791c1fece8e 253
RodColeman 0:0791c1fece8e 254 };
RodColeman 0:0791c1fece8e 255 #endif /* NETSERVER_H */