自学教程：C++ uip_arp_timer函数代码示例

void tcpip_periodic_timer(){	int i;    MT_TimerExpired();	if(timer_expired(&periodic_timer)) {		timer_reset(&periodic_timer);		for(i = 0; i < UIP_CONNS; i++) {			uip_periodic(i);			/* If the above function invocation resulted in data that			should be sent out on the network, the global variable			uip_len is set to a value > 0. */			if(uip_len > 0) {				uip_arp_out();				mt76xx_dev_send();			}		}#if UIP_UDP		for(i = 0; i < UIP_UDP_CONNS; i++) {			uip_udp_periodic(i);			/* If the above function invocation resulted in data that			should be sent out on the network, the global variable			uip_len is set to a value > 0. */			if(uip_len > 0) {				uip_arp_out();				mt76xx_dev_send();			}		}#endif /* UIP_UDP */		/* Call the ARP timer function every 10 seconds. */		if(timer_expired(&arp_timer)) {			timer_reset(&arp_timer);			uip_arp_timer();		}    }#if 0	if(timer_expired(&cli_timer)) {		clk = (clk > (CLOCK_SECOND*60))?clk:(clk*2);		timer_set(&cli_timer, clk);				if ((cli_fd == -1) && 			memcmp(uip_hostaddr, 0x00000000, sizeof(uip_hostaddr))) {			struct uip_conn *conn = NULL;			uip_ipaddr_t srv_ip;						uip_ipaddr(srv_ip, IoTpAd.ComCfg.IoT_ServeIP[0], IoTpAd.ComCfg.IoT_ServeIP[1],					IoTpAd.ComCfg.IoT_ServeIP[2], IoTpAd.ComCfg.IoT_ServeIP[3]);			conn = uip_connect(&srv_ip, HTONS(IoTpAd.ComCfg.IoT_TCP_Srv_Port));			if(conn) {				conn->lport = HTONS(7682);				cli_fd = conn->fd;			} else {				printf("connect fail/n");			}			}	}#endif	}

void Network::on_idle(void *argument){    if (!ethernet->isUp()) return;    int len= sizeof(uip_buf); // set maximum size    if (ethernet->_receive_frame(uip_buf, &len)) {        uip_len = len;        this->handlePacket();    } else {        if (timer_expired(&periodic_timer)) { /* no packet but periodic_timer time out (0.1s)*/            timer_reset(&periodic_timer);            for (int i = 0; i < UIP_CONNS; i++) {                uip_periodic(i);                /* If the above function invocation resulted in data that                   should be sent out on the network, the global variable                   uip_len is set to a value > 0. */                if (uip_len > 0) {                    uip_arp_out();                    tapdev_send(uip_buf, uip_len);                }            }#if UIP_CONF_UDP            for (int i = 0; i < UIP_UDP_CONNS; i++) {                uip_udp_periodic(i);                /* If the above function invocation resulted in data that                   should be sent out on the network, the global variable                   uip_len is set to a value > 0. */                if (uip_len > 0) {                    uip_arp_out();                    tapdev_send(uip_buf, uip_len);                }            }#endif        }/*        This didn't work actually made it worse,it should have worked though        else{            // TODO if the command queue is below a certain amount we should poll any stopped connections            if(command_q->size() < 4) {                for (struct uip_conn *connr = &uip_conns[0]; connr <= &uip_conns[UIP_CONNS - 1]; ++connr) {                    if(uip_stopped(connr)){                        // Force a poll of this                        printf("Force poll of connection/n");                        uip_poll_conn(connr);                    }                }            }        }*/        /* Call the ARP timer function every 10 seconds. */        if (timer_expired(&arp_timer)) {            timer_reset(&arp_timer);            uip_arp_timer();        }    }}

void ethernet_service(void) {	int i;	struct uip_eth_hdr *buf = (struct uip_eth_hdr *)&uip_buf[0];	etimer_request_poll();	process_run();	uip_len = liteethmac_poll();	if(uip_len > 0) {		if(buf->type == uip_htons(UIP_ETHTYPE_IP)) {			uip_arp_ipin();			uip_input();			if(uip_len > 0) {				uip_arp_out();				liteethmac_send();			}		} else if(buf->type == uip_htons(UIP_ETHTYPE_ARP)) {			uip_arp_arpin();			if(uip_len > 0)				liteethmac_send();		}	} else if (elapsed(&uip_periodic_event, uip_periodic_period)) {		for(i = 0; i < UIP_CONNS; i++) {			uip_periodic(i);			if(uip_len > 0) {				uip_arp_out();				liteethmac_send();			}		}	}	if (elapsed(&uip_arp_event, uip_arp_period)) {		uip_arp_timer();	}}

void deal(){    int i;    if(uip_len > 0) {        if(BUF_IF->type == htons(UIP_ETHTYPE_IP)) {            uip_arp_ipin();            uip_input();            /* If the above function invocation resulted in data that               should be sent out on the network, the global variable               uip_len is set to a value > 0. */            if(uip_len > 0) {                uip_arp_out();                current_dev->eth_tx(current_dev, uip_buf, uip_len);            }        } else if(BUF_IF->type == htons(UIP_ETHTYPE_ARP)) {            uip_arp_arpin();            /* If the above function invocation resulted in data that               should be sent out on the network, the global variable               uip_len is set to a value > 0. */            if(uip_len > 0) {                current_dev->eth_tx(current_dev, uip_buf, uip_len);            }        }    } else if(timer_expired(&periodic_timer)) {        timer_reset(&periodic_timer);        for(i = 0; i < UIP_CONNS; i++) {            uip_periodic(i);            /* If the above function invocation resulted in data that               should be sent out on the network, the global variable               uip_len is set to a value > 0. */            if(uip_len > 0) {                uip_arp_out();                current_dev->eth_tx(current_dev, uip_buf, uip_len);	            }        }#if UIP_UDP        for(i = 0; i < UIP_UDP_CONNS; i++) {            uip_udp_periodic(i);            /* If the above function invocation resulted in data that               should be sent out on the network, the global variable               uip_len is set to a value > 0. */            if(uip_len > 0) {                uip_arp_out();                current_dev->eth_tx(current_dev, uip_buf, uip_len);	            }        }#endif /* UIP_UDP */        /* Call the ARP timer function every 10 seconds. */        if(timer_expired(&arp_timer)) {            timer_reset(&arp_timer);            uip_arp_timer();        }    }    //rt_exit_critical();    return 0;}

void uip_server(chanend mac_rx, chanend mac_tx, chanend xtcp[], int num_xtcp,		xtcp_ipconfig_t *ipconfig, chanend connect_status) {	struct uip_timer periodic_timer, arp_timer, autoip_timer;	unsigned char hwaddr[6];	timer_set(&periodic_timer, CLOCK_SECOND / 10);	timer_set(&autoip_timer, CLOCK_SECOND / 2);	timer_set(&arp_timer, CLOCK_SECOND * 10);	xcoredev_init(mac_rx, mac_tx);	mac_get_macaddr(mac_tx, hwaddr);	uip_server_init(xtcp, num_xtcp, ipconfig, hwaddr);	// Main uIP service loop	while (1)	{		xtcpd_service_clients(xtcp, num_xtcp);		xtcpd_check_connection_poll(mac_tx);		uip_xtcp_checkstate();		uip_xtcp_checklink(connect_status);		uip_len = xcoredev_read(mac_rx, UIP_CONF_BUFFER_SIZE);		if (uip_len > 0) {			xtcp_process_incoming_packet(mac_tx);		}		xtcp_process_udp_acks(mac_tx);		if (timer_expired(&arp_timer)) {			timer_reset(&arp_timer);			uip_arp_timer();		}#if UIP_USE_AUTOIP		if (timer_expired(&autoip_timer)) {			timer_reset(&autoip_timer);			autoip_periodic();			if (uip_len > 0) {				xtcp_tx_buffer(mac_tx);			}		}#endif		if (timer_expired(&periodic_timer)) {			xtcp_process_periodic_timer(mac_tx);			timer_reset(&periodic_timer);		}	}	return;}

void NanodeUIP::poll(void) {  int i;  uip_len = enc28j60PacketReceive(UIP_BUFSIZE,uip_buf);  if(uip_len > 0) {    if(BUF->type == UIP_HTONS(UIP_ETHTYPE_IP)) {      uip_arp_ipin();      uip_input();      /* If the above function invocation resulted in data that	 should be sent out on the network, the global variable	 uip_len is set to a value > 0. */      if(uip_len > 0) {	uip_arp_out();	enc28j60PacketSend(uip_len,uip_buf);      }    } else if(BUF->type == UIP_HTONS(UIP_ETHTYPE_ARP)) {      uip_arp_arpin();      /* If the above function invocation resulted in data that	 should be sent out on the network, the global variable	 uip_len is set to a value > 0. */      if(uip_len > 0) {	enc28j60PacketSend(uip_len,uip_buf);      }    }  } else if(timer_expired(&periodic_timer)) {    timer_reset(&periodic_timer);    for(i = 0; i < UIP_CONNS; i++) {      uip_periodic(i);      /* If the above function invocation resulted in data that	 should be sent out on the network, the global variable	 uip_len is set to a value > 0. */      if(uip_len > 0) {	uip_arp_out();	enc28j60PacketSend(uip_len,uip_buf);      }    }#if UIP_UDP    for(i = 0; i < UIP_UDP_CONNS; i++) {      uip_udp_periodic(i);      /* If the above function invocation resulted in data that	 should be sent out on the network, the global variable	 uip_len is set to a value > 0. */      if(uip_len > 0) {	uip_arp_out();	enc28j60PacketSend(uip_len,uip_buf);      }    }#endif /* UIP_UDP */    /* Call the ARP timer function every 10 seconds. */    if(timer_expired(&arp_timer)) {      timer_reset(&arp_timer);      uip_arp_timer();    }  }}

/** * @brief   Process Network * @param   None * @retval  None */void Network_Process(void){	static uint8_t arp_counter = 0;	int i;	for (i = 0; i < UIP_CONNS; i++)	{		uip_periodic(i);		if (uip_len > 0)		{			uip_arp_out();			enc28j60_send_packet((uint8_t *)uip_buf, uip_len);		}	}	#if UIP_UDP		for (i = 0; i < UIP_UDP_CONNS; i++)		{			uip_udp_periodic(i);			if (uip_len > 0)			{				uip_arp_out();				network_send();			}		}	#endif /* UIP_UDP */	if (++arp_counter >= 50)	{		arp_counter = 0;		uip_arp_timer();	}	uip_len = enc28j60_recv_packet((uint8_t *)uip_buf, UIP_BUFSIZE);	if (uip_len > 0)	{		if (((struct uip_eth_hdr *)&uip_buf[0])->type == htons(UIP_ETHTYPE_IP))		{			uip_arp_ipin();			uip_input();			if (uip_len > 0)			{				uip_arp_out();				enc28j60_send_packet((uint8_t *)uip_buf, uip_len);			}		}		else if (((struct uip_eth_hdr *)&uip_buf[0])->type == htons(UIP_ETHTYPE_ARP))		{			uip_arp_arpin();			if (uip_len > 0)			{				enc28j60_send_packet((uint8_t *)uip_buf, uip_len);			}		}	}}

static void arptimer_poll(int argc, uint32_t arg, ...){  /* Call the ARP timer function every 10 seconds. */  uip_arp_timer();  /* Setup the watchdog timer again */  (void)wd_start(g_arptimer, ARPTIMER_WDINTERVAL, arptimer_poll, 0);}

/** ******************************************************************************************* * @fn         void TcpIpMain(void) * @brief      Update the uIP stack. * @return     None * @attention ******************************************************************************************* */void TcpIpMain(void){   uint8_t                                 Index;   uip_len = nic_poll();   if (uip_len == 0)   {         // If timed out, call periodic function for each connection         if (TcpIpUipTimerCounter >= TCP_IP_CNT_TIME)         {            TcpIpUipTimerCounter = 0;            for (Index = 0; Index < UIP_CONNS; Index++)            {               uip_periodic(Index);               if (uip_len > 0)               {                  uip_arp_out();                  nic_send();               }            }            /* Call the ARP timer function every ~10 seconds. */            if (++TcpIpUipArpTimerCounter >= TCP_IP_ARP_CNT_TIME)            {               uip_arp_timer();               TcpIpUipArpTimerCounter = 0;            }         }   }   else                                                                        // packet received   {      // process an IP packet      if (TCP_IP_BUF->type == htons(UIP_ETHTYPE_IP))      {         uip_arp_ipin();         uip_input();         if (uip_len > 0)         {            uip_arp_out();            nic_send();         }      }      // process an ARP packet      else if (TCP_IP_BUF->type == htons(UIP_ETHTYPE_ARP))      {         uip_arp_arpin();         if (uip_len > 0)            nic_send();      }      TcpIpUipTimerCounter = 0;   }}

void uip_timeout_entry(void* parameter)//由于TIMEOUT函数，不参与调度{   // struct timer periodic_timer, arp_timer;    static uint8_t cnt;    int i;	/* post message to ethernet thread */    //if ((rt_sem_take(msg,RT_WAITING_NO)) != -RT_ETIMEOUT)     //if (timer_expired(&periodic_timer)) //5s enter once    {       //timer_reset(&periodic_timer);       for (i = 0; i < UIP_CONNS; i++)       {	  uip_periodic(i);	/* If the above function invocation resulted in data that	   should be sent out on the network, the global variable	   uip_len is set to a value > 0. */	  if (uip_len > 0)          {	      uip_arp_out();	      TransmitPacket();	  }       }#if UIP_UDP       for (i = 0; i < UIP_UDP_CONNS; i++) //       {	   uip_udp_periodic(i);	/* If the above function invocation resulted in data that	   should be sent out on the network, the global variable	   uip_len is set to a value > 0. */	   if (uip_len > 0)           {	      uip_arp_out();	      TransmitPacket();	    }        }#endif /* UIP_UDP */             /* Call the ARP timer function every 10 seconds. */       //if (timer_expired(&arp_timer))        if (++cnt >= 2) //t       {	  //timer_reset(&arp_timer);	  uip_arp_timer();          cnt = 0;       }    }  }

void HttpdHandler(void){	int i;	for(i = 0; i < UIP_CONNS; i++){		uip_periodic(i);		if(uip_len > 0){			uip_arp_out();			NetSendHttpd();		}	}	if(++arptimer == 20){		uip_arp_timer();		arptimer = 0;	}}

voidEthernet_Task(void) {     int i;     ethernet_process();          if(timer_expired(&periodic_timer)) {	  timer_reset(&periodic_timer);	  	  for(i = 0; i < UIP_CONNS; i++) {	       uip_periodic(i);	       if(uip_len > 0) {		    uip_arp_out();		    network_send();	       }	  }	  	  for(i = 0; i < UIP_UDP_CONNS; i++) {	       uip_udp_periodic(i);	       if(uip_len > 0) {		    uip_arp_out();		    network_send();	       }	  }	  interface_periodic();	       }               if(timer_expired(&arp_timer)) {	  timer_reset(&arp_timer);	  uip_arp_timer();	       }     }

void uip_tcpip_thread(void *parameter){    int i;    static u8_t cnt;    while(1)    {        rt_thread_delay(CLOCK_SECOND*5);        for (i = 0; i < UIP_CONNS; i++)         {	    uip_periodic(i);	/* If the above function invocation resulted in data that	   should be sent out on the network, the global variable	   uip_len is set to a value > 0. */	    if (uip_len > 0)            {	        uip_arp_out();                TransmitPacket();	    }        }#if UIP_UDP        for (i = 0; i < UIP_UDP_CONNS; i++)        {	    uip_udp_periodic(i);	/* If the above function invocation resulted in data that	   should be sent out on the network, the global variable	   uip_len is set to a value > 0. */	   if (uip_len > 0)           {	      uip_arp_out();              TransmitPacket();	   }        }#endif /* UIP_UDP */        /* Call the ARP timer function every 10 seconds. */	 if (++cnt > 2) uip_arp_timer();    }}

//.........这里部分代码省略.........    check_for_reset_jumper();        #ifdef SERIAL    // start the serial port server    seriald_init();#endif // SERIAL        // initialize ethernet controller    // loop until link comes up    while (init_CP2200()==0) {       _delay_ms(200);    }        // replace config by hardcoded defaults if the flash is unprogrammed (all bits 1)    if (uip_ipaddr_cmp(config.ipaddr, all_ones_addr) &&        uip_ipaddr_cmp(config.netmask, all_ones_addr) &&        uip_ipaddr_cmp(config.gateway, all_ones_addr)) {        set_defaults();    }    // initialize uIP protocol    uip_arp_init();    uip_init();        // Configure the IP-Adrdess    IP_config();     #ifdef EMAIL_APP    // Initialize the email application    email_app_init();#endif // EMAIL_APP    // Initialize the inetd    inetd_init();    // main loop, dispatches network and timer events    while (1) {        uip_len = network_device_read();        if (uip_len > 0) {            if (BUF->type == htons(UIP_ETHTYPE_IP)) {                uip_arp_ipin();                uip_input();                // If the above function invocation resulted in data that                // should be sent out on the network, the global variable                // uip_len is set to a value > 0.                 if (uip_len > 0) {                    uip_arp_out();                    network_device_send();                }            } else if (BUF->type == htons(UIP_ETHTYPE_ARP)) {                uip_arp_arpin();                // If the above function invocation resulted in data that                // should be sent out on the network, the global variable                // uip_len is set to a value > 0.                 if (uip_len > 0) {                    network_device_send();                }            }        }        else if (timer_expired(&periodic_timer)) {            timer_reset(&periodic_timer);            for (int i = 0; i < UIP_CONNS; i++) {                uip_periodic(i);                // If the above function invocation resulted in data that                // should be sent out on the network, the global variable                // uip_len is set to a value > 0.                 if (uip_len > 0) {                    uip_arp_out();                    network_device_send();                }            }#if UIP_UDP            for (int i = 0; i < UIP_UDP_CONNS; i++) {                uip_udp_periodic(i);                // If the above function invocation resulted in data that                // should be sent out on the network, the global variable                // uip_len is set to a value > 0.                if (uip_len > 0) {                    uip_arp_out();                    network_device_send();                }            }#endif // UIP_UDP            // Call the ARP timer function every 10 seconds.             if (timer_expired(&arp_timer)) {                timer_reset(&arp_timer);                uip_arp_timer();            }        }        #ifdef EMAIL_APP        email_app_main_loop();#endif //EMAIL_APP		    }    return 0;}

//.........这里部分代码省略.........  uip_ipaddr(ipaddr,	     ((MY_NETMASK)>>24) & 0xff,	     ((MY_NETMASK)>>16) & 0xff,	     ((MY_NETMASK)>> 8) & 0xff,	     ((MY_NETMASK)>> 0) & 0xff);  uip_setnetmask(ipaddr);  // default router  uip_ipaddr(ipaddr,	     ((MY_GATEWAY)>>24) & 0xff,	     ((MY_GATEWAY)>>16) & 0xff,	     ((MY_GATEWAY)>> 8) & 0xff,	     ((MY_GATEWAY)>> 0) & 0xff);  uip_setdraddr(ipaddr);  MIOS32_MIDI_SendDebugMessage("[UIP_TASK] IP Address statically set:/n");  // start services immediately  UIP_TASK_StartServices();#endif  // release exclusive access to UIP functions  MUTEX_UIP_GIVE;  // endless loop  while( 1 ) {    vTaskDelayUntil(&xLastExecutionTime, 1 / portTICK_RATE_MS);    // take over exclusive access to UIP functions    MUTEX_UIP_TAKE;    if( !(clock_time_tick() % 100) ) {      // each 100 mS: check availablility of network device      network_device_check();    }    if( network_device_available() ) {      uip_len = network_device_read();      if( uip_len > 0 ) {	if(BUF->type == htons(UIP_ETHTYPE_IP) ) {	  uip_arp_ipin();	  uip_input();	  /* If the above function invocation resulted in data that	     should be sent out on the network, the global variable	     uip_len is set to a value > 0. */	  if( uip_len > 0 ) {	    uip_arp_out();	    network_device_send();	  }	} else if(BUF->type == htons(UIP_ETHTYPE_ARP)) {	  uip_arp_arpin();	  /* If the above function invocation resulted in data that	     should be sent out on the network, the global variable	     uip_len is set to a value > 0. */	  if(uip_len > 0) {	    network_device_send();	  }	}      } else if(timer_expired(&periodic_timer)) {	timer_reset(&periodic_timer);	for(i = 0; i < UIP_CONNS; i++) {	  uip_periodic(i);	  /* If the above function invocation resulted in data that	     should be sent out on the network, the global variable	     uip_len is set to a value > 0. */	  if(uip_len > 0) {	    uip_arp_out();	    network_device_send();	  }	}#if UIP_UDP	for(i = 0; i < UIP_UDP_CONNS; i++) {	  uip_udp_periodic(i);	  /* If the above function invocation resulted in data that	     should be sent out on the network, the global variable	     uip_len is set to a value > 0. */	  if(uip_len > 0) {	    uip_arp_out();	    network_device_send();	  }	}#endif /* UIP_UDP */	/* Call the ARP timer function every 10 seconds. */	if(timer_expired(&arp_timer)) {	  timer_reset(&arp_timer);	  uip_arp_timer();	}      }    }    // release exclusive access to UIP functions    MUTEX_UIP_GIVE;  }}

/*---------------------------------------------------------------------------*/intmain(void){  int i;  uip_ipaddr_t ipaddr;  struct timer periodic_timer, arp_timer;  timer_set(&periodic_timer, CLOCK_SECOND / 2);  timer_set(&arp_timer, CLOCK_SECOND * 10);    tapdev_init();  uip_init();  uip_ipaddr(ipaddr, 192,168,0,2);  uip_sethostaddr(ipaddr);  uip_ipaddr(ipaddr, 192,168,0,1);  uip_setdraddr(ipaddr);  uip_ipaddr(ipaddr, 255,255,255,0);  uip_setnetmask(ipaddr);  httpd_init();    /*  telnetd_init();*/    /*  hello_world_init();*/  /*  {      u8_t mac[6] = {1,2,3,4,5,6};      dhcpc_init(&mac, 6);      }*/    /*uip_ipaddr(ipaddr, 127,0,0,1);  smtp_configure("localhost", ipaddr);  SMTP_SEND("[email
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