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Added (non-active) code handling pcbs upon changing IP address.
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@ -177,6 +177,35 @@ netif_find(char *name)
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void
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void
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netif_set_ipaddr(struct netif *netif, struct ip_addr *ipaddr)
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netif_set_ipaddr(struct netif *netif, struct ip_addr *ipaddr)
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{
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{
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/* TODO: Handling of obsolete pcbs */
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/* See: http://mail.gnu.org/archive/html/lwip-users/2003-03/msg00118.html */
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#if 0
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struct tcp_pcb *pcb;
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struct tcp_pcb_listen *lpcb;
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/* address has changed? */
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if ((ip_addr_cmp(&(pcb->local_ip), &(netif->ip_addr))) == 0)
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{
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pcb = tcp_active_pcbs;
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while (pcb != NULL) {
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if (ip_addr_cmp(&(pcb->local_ip), &(netif->ip_addr))) {
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/* The PCB is connected using the old ipaddr and must be aborted */
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struct tcp_pcb *next = pcb->next;
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tcp_abort(pcb);
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pcb = next;
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} else {
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pcb=pcb->next;
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}
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}
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for (lpcb = tcp_listen_pcbs; lpcb != NULL; lpcb = lpcb->next) {
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if (ip_addr_cmp(&(lpcb->local_ip), &(netif->ip_addr))) {
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/* The PCB is listening to the old ipaddr and
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* is set to listen to the new one instead */
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ip_addr_set(&(lpcb->local_ip), ipaddr);
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}
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}
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}
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#endif
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DEBUGF(NETIF_DEBUG | DBG_TRACE | DBG_STATE, ("netif: setting IP address of interface %c%c%u to %u.%u.%u.%u\n",
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DEBUGF(NETIF_DEBUG | DBG_TRACE | DBG_STATE, ("netif: setting IP address of interface %c%c%u to %u.%u.%u.%u\n",
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netif->name[0], netif->name[1], netif->num,
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netif->name[0], netif->name[1], netif->num,
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(u8_t)(ntohl(ipaddr->addr) >> 24 & 0xff),
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(u8_t)(ntohl(ipaddr->addr) >> 24 & 0xff),
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