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[LWIP] update dhcpd: set ip when dhcpd start.

This commit is contained in:
aozima 2017-12-27 20:09:28 +08:00
parent 6fe49b1af7
commit 1215737ec9
1 changed files with 21 additions and 7 deletions
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28
components/net/lwip_dhcpd/dhcp_server.c
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@ -124,7 +124,7 @@ static rt_err_t _low_level_dhcp_send(struct netif *netif,
netif->linkoutput(netif, p);
pbuf_free(p);
return RT_EOK;
}
@ -140,7 +140,7 @@ static void dhcpd_thread_entry(void *parameter)
int optval = 1;
/* get ethernet interface. */
netif = (struct netif*) parameter;
netif = (struct netif *) parameter;
RT_ASSERT(netif != RT_NULL);
/* our DHCP server information */
@ -381,29 +381,43 @@ static void dhcpd_thread_entry(void *parameter)
}
}
void dhcpd_start(char* netif_name)
void dhcpd_start(char *netif_name)
{
rt_thread_t thread;
struct netif *netif = netif_list;
if(strlen(netif_name) > sizeof(netif->name))
if (strlen(netif_name) > sizeof(netif->name))
{
rt_kprintf("network interface name too long!\r\n");
return;
}
while(netif != RT_NULL)
while (netif != RT_NULL)
{
if(strncmp(netif_name, netif->name, sizeof(netif->name)) == 0)
if (strncmp(netif_name, netif->name, sizeof(netif->name)) == 0)
break;
netif = netif->next;
if( netif == RT_NULL )
if (netif == RT_NULL)
{
rt_kprintf("network interface: %s not found!\r\n", netif_name);
return;
}
}
if (1)
{
extern void set_if(char *netif_name, char *ip_addr, char *gw_addr, char *nm_addr);
char ip_str[4 * 4 + 1];
dhcp_stop(netif);
sprintf(ip_str, "%d.%d.%d.%d", DHCPD_SERVER_IPADDR0, DHCPD_SERVER_IPADDR1, DHCPD_SERVER_IPADDR2, DHCPD_SERVER_IPADDR3);
set_if(netif_name, ip_str, "0.0.0.0", "255.255.255.0");
netif_set_up(netif);
}
thread = rt_thread_create("dhcpd",
dhcpd_thread_entry, netif,
1024,