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fix(lwip): Fix dhcpserver cannot release dhcpclient info on time

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This commit is contained in:
Zhang Jun Hao
2018-07-05 15:16:21 +08:00
parent 4a372f8e4d
commit 854636dbff
2 changed files with 9 additions and 0 deletions
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8
components/lwip/apps/dhcpserver/dhcpserver.c
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@ -1154,6 +1154,7 @@ void dhcps_start(struct netif *netif, ip4_addr_t ip)
udp_bind(pcb_dhcps, &netif->ip_addr, DHCPS_SERVER_PORT);
udp_recv(pcb_dhcps, handle_dhcp, NULL);
sys_timeout(1000, dhcps_coarse_tmr, NULL);
#if DHCPS_DEBUG
DHCPS_LOG("dhcps:dhcps_start->udp_recv function Set a receive callback handle_dhcp for UDP_PCB pcb_dhcps\n");
#endif
@ -1175,6 +1176,8 @@ void dhcps_stop(struct netif *netif)
return;
}
sys_untimeout(dhcps_coarse_tmr, NULL);
if (pcb_dhcps != NULL) {
udp_disconnect(pcb_dhcps);
udp_remove(pcb_dhcps);
@ -1267,6 +1270,11 @@ void dhcps_coarse_tmr(void)
if (num_dhcps_pool > MAX_STATION_NUM) {
kill_oldest_dhcps_pool();
}
/*Do not restart timer when dhcp server is stopped*/
if (pcb_dhcps != NULL) {
sys_timeout(1000, dhcps_coarse_tmr, NULL);
}
}
/******************************************************************************