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Added (non-active) code handling pcbs upon changing IP address.

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This commit is contained in:
likewise 2003-04-08 12:19:02 +00:00
parent a4a7a7a47e
commit a389b630ac
1 changed files with 34 additions and 5 deletions
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39
src/core/netif.c
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@ -177,12 +177,41 @@ netif_find(char *name)
void
netif_set_ipaddr(struct netif *netif, struct ip_addr *ipaddr)
{
/* TODO: Handling of obsolete pcbs */
/* See: http://mail.gnu.org/archive/html/lwip-users/2003-03/msg00118.html */
#if 0
struct tcp_pcb *pcb;
struct tcp_pcb_listen *lpcb;
/* address has changed? */
if ((ip_addr_cmp(&(pcb->local_ip), &(netif->ip_addr))) == 0)
{
pcb = tcp_active_pcbs;
while (pcb != NULL) {
if (ip_addr_cmp(&(pcb->local_ip), &(netif->ip_addr))) {
/* The PCB is connected using the old ipaddr and must be aborted */
struct tcp_pcb *next = pcb->next;
tcp_abort(pcb);
pcb = next;
} else {
pcb=pcb->next;
}
}
for (lpcb = tcp_listen_pcbs; lpcb != NULL; lpcb = lpcb->next) {
if (ip_addr_cmp(&(lpcb->local_ip), &(netif->ip_addr))) {
/* The PCB is listening to the old ipaddr and
* is set to listen to the new one instead */
ip_addr_set(&(lpcb->local_ip), ipaddr);
}
}
}
#endif
DEBUGF(NETIF_DEBUG | DBG_TRACE | DBG_STATE, ("netif: setting IP address of interface %c%c%u to %u.%u.%u.%u\n",
netif->name[0], netif->name[1], netif->num,
(u8_t)(ntohl(ipaddr->addr) >> 24 & 0xff),
(u8_t)(ntohl(ipaddr->addr) >> 16 & 0xff),
(u8_t)(ntohl(ipaddr->addr) >> 8 & 0xff),
(u8_t)(ntohl(ipaddr->addr) & 0xff)));
netif->name[0], netif->name[1], netif->num,
(u8_t)(ntohl(ipaddr->addr) >> 24 & 0xff),
(u8_t)(ntohl(ipaddr->addr) >> 16 & 0xff),
(u8_t)(ntohl(ipaddr->addr) >> 8 & 0xff),
(u8_t)(ntohl(ipaddr->addr) & 0xff)));
ip_addr_set(&(netif->ip_addr), ipaddr);
}
/*-----------------------------------------------------------------------------------*/