void ICACHE_FLASH_ATTR dhcps_coarse_tmr(void)
{
uint8 num_dhcps_pool = 0;
list_node *pback_node = NULL;
list_node *pnode = NULL;
struct dhcps_pool *pdhcps_pool = NULL;
pnode = plist;
while (pnode != NULL) {
pdhcps_pool = pnode->pnode;
pdhcps_pool->lease_timer --;
if (pdhcps_pool->lease_timer == 0){
pback_node = pnode;
pnode = pback_node->pnext;
node_remove_from_list(&plist,pback_node);
os_free(pback_node->pnode);
pback_node->pnode = NULL;
os_free(pback_node);
pback_node = NULL;
} else {
pnode = pnode ->pnext;
num_dhcps_pool ++;
}
}
if (num_dhcps_pool >= MAX_STATION_NUM)
kill_oldest_dhcps_pool();
}
void ICACHE_FLASH_ATTR dhcps_stop(void)
{
struct netif * apnetif = (struct netif *)eagle_lwip_getif(0x01);
udp_disconnect(pcb_dhcps);
dhcps_lease_flag = true;
if(apnetif->dhcps_pcb != NULL) {
udp_remove(apnetif->dhcps_pcb);
apnetif->dhcps_pcb = NULL;
}
//udp_remove(pcb_dhcps);
list_node *pnode = NULL;
list_node *pback_node = NULL;
pnode = plist;
while (pnode != NULL) {
pback_node = pnode;
pnode = pback_node->pnext;
node_remove_from_list(&plist, pback_node);
os_free(pback_node->pnode);
pback_node->pnode = NULL;
os_free(pback_node);
pback_node = NULL;
}
}
void ICACHE_FLASH_ATTR dhcps_stop(void)
{
// struct netif * nif = eagle_lwip_getif(1);
udp_disconnect(pcb_dhcps);
udp_remove(pcb_dhcps);
// nif->dhcp = NULL;
list_node *pnode = NULL;
list_node *pback_node = NULL;
pnode = plist;
while (pnode != NULL) {
pback_node = pnode;
pnode = pback_node->pnext;
node_remove_from_list(&plist, pback_node);
os_free(pback_node->pnode);
pback_node->pnode = NULL;
os_free(pback_node);
pback_node = NULL;
}
dhcps_lease_flag = true;
}
void ICACHE_FLASH_ATTR dhcps_coarse_tmr(void)
{
list_node *pback_node = NULL;
list_node *pnode = NULL;
struct dhcps_pool *pdhcps_pool = NULL;
pnode = plist;
while (pnode != NULL) {
pdhcps_pool = pnode->pnode;
pdhcps_pool->lease_timer --;
if (pdhcps_pool->lease_timer == 0){
pback_node = pnode;
pnode = pback_node->pnext;
node_remove_from_list(&plist,pback_node);
os_free(pback_node->pnode);
pback_node->pnode = NULL;
os_free(pback_node);
pback_node = NULL;
} else {
pnode = pnode ->pnext;
}
}
}
static sint16_t ICACHE_FLASH_ATTR parse_msg(struct dhcps_msg *m, u16_t len)
{
/* if(os_memcmp((char *)m->options,
(char *)magic_cookie,
sizeof(magic_cookie)) == 0){ */
//#define magic_cookie 0x63538263
if((m->options[0] == 0x63) && (m->options[1] == 0x82) && (m->options[2] == 0x53) && (m->options[3]==0x63)) {
// if(*((uint32 *)m->options) == magic_cookie) {
#if DHCPS_DEBUG
os_printf("dhcps: len = %d\n", len);
#endif
/*
* ��¼��ǰ��xid���ﴦ���?
* �˺�ΪDHCP�ͻ����������û�ͳһ��ȡIPʱ��
*/
// if((old_xid[0] == 0) &&
// (old_xid[1] == 0) &&
// (old_xid[2] == 0) &&
// (old_xid[3] == 0)){
// /*
// * old_xidδ��¼�κ����?
// * �϶��ǵ�һ��ʹ��
// */
// os_memcpy((char *)old_xid, (char *)m->xid, sizeof(m->xid));
// }else{
// /*
// * ���δ����DHCP msg��Я���xid���ϴμ�¼�IJ�ͬ��
// * �϶�Ϊ��ͬ��DHCP�ͻ��˷��ͣ���ʱ����Ҫ����Ŀͻ���IP
// * ���� 192.168.4.100(0x6404A8C0) <--> 192.168.4.200(0xC804A8C0)
// *
// */
// if(os_memcmp((char *)old_xid, (char *)m->xid, sizeof(m->xid)) != 0){
/*
* ��¼���ε�xid�ţ�ͬʱ�����IP����
*/
// struct ip_addr addr_tmp;
os_memcpy((char *)old_xid, (char *)m->xid, sizeof(m->xid));
{
struct dhcps_pool *pdhcps_pool = NULL;
list_node *pnode = NULL;
list_node *pback_node = NULL;
// POOL_START:
client_address.addr = client_address_plus.addr;
// addr_tmp.addr = htonl(client_address_plus.addr);
// addr_tmp.addr++;
// client_address_plus.addr = htonl(addr_tmp.addr);
for (pback_node = plist; pback_node != NULL;pback_node = pback_node->pnext) {
pdhcps_pool = pback_node->pnode;
if (os_memcmp(pdhcps_pool->mac, m->chaddr, sizeof(pdhcps_pool->mac)) == 0){
// os_printf("the same device request ip\n");
client_address.addr = pdhcps_pool->ip.addr;
pdhcps_pool->lease_timer = DHCPS_LEASE_TIMER;
goto POOL_CHECK;
} else if (pdhcps_pool->ip.addr == client_address_plus.addr){
// client_address.addr = client_address_plus.addr;
// os_printf("the ip addr has been request\n");
/* htonl addr_tmp.addr = htonl(client_address_plus.addr);
addr_tmp.addr++;
client_address_plus.addr = htonl(addr_tmp.addr); */
client_address.addr = client_address_plus.addr + 0x1000000;
}
}
pdhcps_pool = (struct dhcps_pool *)os_zalloc(sizeof(struct dhcps_pool));
pdhcps_pool->ip.addr = client_address.addr;
os_memcpy(pdhcps_pool->mac, m->chaddr, sizeof(pdhcps_pool->mac));
pdhcps_pool->lease_timer = DHCPS_LEASE_TIMER;
pnode = (list_node *)os_zalloc(sizeof(list_node ));
pnode->pnode = pdhcps_pool;
node_insert_to_list(&plist,pnode);
POOL_CHECK:
if ((client_address_plus.addr > dhcps_lease.end_ip.addr) || (client_address.addr == IPADDR_ANY)){
os_printf("client_address_plus.addr %x %d\n", client_address_plus.addr, system_get_free_heap_size());
node_remove_from_list(&plist,pnode);
os_free(pdhcps_pool);
pdhcps_pool = NULL;
os_free(pnode);
pnode = NULL;
// client_address_plus.addr = dhcps_lease.start_ip.addr;
return 4;
}
if (wifi_softap_set_station_info(m->chaddr, &client_address) == false) {
return 0;
}
}
#if DHCPS_DEBUG
os_printf("dhcps: xid changed\n");
os_printf("dhcps: client_address.addr = %x\n", client_address.addr);
#endif
// }
// }
return parse_options(&m->options[4], len);
}
return 0;
}
