107 lines
3.7 KiB
C
107 lines
3.7 KiB
C
/*
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* Copyright (c) 2012, Thingsquare, http://www.thingsquare.com/.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "contiki.h"
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#include "contiki-net.h"
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#include "ip64-dhcpc.h"
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#include "ip64.h"
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#include "ip64-eth.h"
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#include "ip64-addr.h"
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#include <stdio.h>
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#define DEBUG DEBUG_NONE
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#include "net/ip/uip-debug.h"
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PROCESS(ip64_ipv4_dhcp_process, "IPv4 DHCP");
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uip_ipaddr_t uip_hostaddr; /* Needed because it is referenced by dhcpc.c */
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/*---------------------------------------------------------------------------*/
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void
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ip64_ipv4_dhcp_init(void)
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{
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printf("IP64: Starting DHCPv4\n");
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process_start(&ip64_ipv4_dhcp_process, NULL);
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(ip64_ipv4_dhcp_process, ev, data)
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{
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PROCESS_BEGIN();
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ip64_dhcpc_init(&ip64_eth_addr, sizeof(ip64_eth_addr));
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PRINTF("IP64: Inited\n");
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ip64_dhcpc_request();
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PRINTF("IP64: Requested\n");
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while(1) {
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PROCESS_WAIT_EVENT();
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if(ev == tcpip_event ||
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ev == PROCESS_EVENT_TIMER) {
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ip64_dhcpc_appcall(ev, data);
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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void
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ip64_dhcpc_configured(const struct ip64_dhcpc_state *s)
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{
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uip_ip6addr_t ip6dnsaddr;
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PRINTF("IP64: DHCP Configured with %d.%d.%d.%d\n",
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s->ipaddr.u8[0], s->ipaddr.u8[1],
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s->ipaddr.u8[2], s->ipaddr.u8[3]);
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ip64_set_hostaddr((uip_ip4addr_t *)&s->ipaddr);
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ip64_set_netmask((uip_ip4addr_t *)&s->netmask);
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ip64_set_draddr((uip_ip4addr_t *)&s->default_router);
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if(!uip_ip4addr_cmp((uip_ip4addr_t *)&s->dnsaddr, &uip_all_zeroes_addr)) {
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/* Note: Currently we assume only one DNS server */
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uip_ipaddr_t * dns = uip_nameserver_get(0);
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/* Only update DNS entry if it is empty or already IPv4 */
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if(uip_is_addr_unspecified(dns) || ip64_addr_is_ip64(dns)) {
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ip64_addr_4to6((uip_ip4addr_t *)&s->dnsaddr, &ip6dnsaddr);
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uip_nameserver_update(&ip6dnsaddr, uip_ntohs(s->lease_time[0])*65536ul + uip_ntohs(s->lease_time[1]));
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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void
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ip64_dhcpc_unconfigured(const struct ip64_dhcpc_state *s)
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{
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}
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/*---------------------------------------------------------------------------*/
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