static void test_fib_15_get_lifetime(void)
{
timex_t lifetime, now;
kernel_pid_t iface_id = 1;
char addr_dst[] = "Test address151";
char addr_nxt[] = "Test address152";
size_t add_buf_size = 16;
uint32_t addr_dst_flags = 0x77777777;
uint32_t addr_nxt_flags = 0x77777777;
TEST_ASSERT_EQUAL_INT(0, fib_add_entry(iface_id, (uint8_t *)addr_dst, add_buf_size - 1,
addr_dst_flags, (uint8_t *)addr_nxt, add_buf_size - 1,
addr_nxt_flags, 1000));
TEST_ASSERT_EQUAL_INT(0, fib_devel_get_lifetime(&lifetime, (uint8_t *)addr_dst, add_buf_size - 1));
/* assuming some ms passed during these operations... */
vtimer_now(&now);
timex_t cmp_lifetime = timex_add(now, timex_set(0, 900000));
timex_t cmp_max_lifetime = timex_add(now, timex_set(1,1));
TEST_ASSERT_EQUAL_INT(1, timex_cmp(lifetime, cmp_lifetime));
/* make sure lifetime hasn't grown magically either */
TEST_ASSERT_EQUAL_INT(-1, timex_cmp(lifetime, cmp_max_lifetime));
fib_deinit();
}
static void test_timex_add(void)
{
timex_t time;
time = timex_add(timex_set(100, 100), timex_set(40, 10));
TEST_ASSERT_EQUAL_INT(0, timex_cmp(time, timex_set(140, 110)));
time = timex_add(timex_set(100, 700000), timex_set(40, 800000));
TEST_ASSERT_EQUAL_INT(0, timex_cmp(time, timex_set(141, 500000)));
}
/*
* Check if entry at index i is stale as described in Section 6.3.
* and clear the struct it fills if it is
*/
static void _reset_entry_if_stale(uint8_t i)
{
vtimer_now(&now);
timex_t lastUsed, expirationTime;
if (timex_cmp(routing_table[i].expirationTime, null_time) == 0) {
return;
}
int state = routing_table[i].state;
lastUsed = routing_table[i].lastUsed;
expirationTime = routing_table[i].expirationTime;
/* an Active route is considered to remain Active as long as it is used at least once
* during every ACTIVE_INTERVAL. When a route is no longer Active, it becomes an Idle route. */
/* if the node is younger than the active interval, don't bother */
if (timex_cmp(now, active_interval) < 0) {
return;
}
if ((state == ROUTE_STATE_ACTIVE) &&
(timex_cmp(timex_sub(now, active_interval), lastUsed) == 1)) {
DEBUG("\t[routing] route towards %s Idle\n",
netaddr_to_string(&nbuf, &routing_table[i].addr));
routing_table[i].state = ROUTE_STATE_IDLE;
routing_table[i].lastUsed = now; /* mark the time entry was set to Idle */
}
/* After an Idle route remains Idle for MAX_IDLETIME, it becomes an Invalid route. */
/* if the node is younger than the expiration time, don't bother */
if (timex_cmp(now, expirationTime) < 0) {
return;
}
/* If Current_Time > Route.ExpirationTime, set Route.State := Invalid. */
if ((state == ROUTE_STATE_IDLE) &&
(timex_cmp(now, expirationTime) > 0)) {
DEBUG("\t[routing] route towards %s became Invalid\n",
netaddr_to_string(&nbuf, &routing_table[i].addr));
routing_table[i].state = ROUTE_STATE_INVALID;
routing_table[i].lastUsed = now; /* mark the time entry was set to Invalid */
}
/* If (Current_Time - Route.LastUsed) > (ACTIVE_INTERVAL + MAX_IDLETIME),
* and if (Route.Timed == FALSE), set Route.State := Invalid. */
if ((timex_cmp(timex_sub(now, lastUsed), timex_add(active_interval, max_idletime)) > 0) &&
(state != ROUTE_STATE_TIMED)) {
routing_table[i].state = ROUTE_STATE_INVALID;
}
/* After that time, old sequence number information is considered no longer
* valid and the Invalid route MUST BE expunged */
if (timex_cmp(timex_sub(now, lastUsed), max_seqnum_lifetime) >= 0) {
DEBUG("\t[routing] Expunged routing table entry for %s at %i\n",
netaddr_to_string(&nbuf, &routing_table[i].addr), i);
memset(&routing_table[i], 0, sizeof(routing_table[i]));
}
}
void set_remaining_time(timex_t *t, uint32_t time)
{
timex_t tmp = {time, 0};
timex_t now;
vtimer_now(&now);
*t = timex_add(now, tmp);
}
void routingtable_fill_routing_entry_t_rrep(struct aodvv2_packet_data *packet_data,
struct aodvv2_routing_entry_t *rt_entry)
{
rt_entry->addr = packet_data->targNode.addr;
rt_entry->seqnum = packet_data->targNode.seqnum;
rt_entry->nextHopAddr = packet_data->sender;
rt_entry->lastUsed = packet_data->timestamp;
rt_entry->expirationTime = timex_add(packet_data->timestamp, validity_t);
rt_entry->metricType = packet_data->metricType;
rt_entry->metric = packet_data->targNode.metric;
rt_entry->state = ROUTE_STATE_ACTIVE;
}
static void calc_rtt(void)
{
timex_t rtt = timex_sub(end, start);
rtt_sum = timex_add(rtt_sum, rtt);
l2_ping_stats.last_rtt = rtt;
l2_ping_stats.avg_rtt = timex_from_uint64(timex_uint64(rtt_sum) / l2_ping_stats.pong_count);
if (timex_cmp(rtt, l2_ping_stats.max_rtt) > 0) {
l2_ping_stats.max_rtt = rtt;
}
if (timex_cmp(rtt, l2_ping_stats.min_rtt) < 0) {
l2_ping_stats.min_rtt = rtt;
}
}
/*
* Check if entry at index i is stale and clear the struct it fills if it is
*/
static void _reset_entry_if_stale(uint8_t i)
{
vtimer_now(&now);
if (timex_cmp(rreq_table[i].timestamp, null_time) == 0) {
return;
}
timex_t expiration_time = timex_add(rreq_table[i].timestamp, _max_idletime);
if (timex_cmp(expiration_time, now) < 0) {
/* timestamp+expiration time is in the past: this entry is stale */
DEBUG("\treset rreq table entry %s\n",
netaddr_to_string(&nbuf, &rreq_table[i].origNode));
memset(&rreq_table[i], 0, sizeof(rreq_table[i]));
}
}
void def_rtr_lst_add(ipv6_addr_t *ipaddr, uint32_t rtr_ltime)
{
if (def_rtr_count == DEF_RTR_LST_SIZE) {
DEBUG("ERROR: default router list full\n");
}
else {
memcpy(&(def_rtr_lst[def_rtr_count].addr), ipaddr, 16);
timex_t rltime = {rtr_ltime, 0};
timex_t now;
vtimer_now(&now);
def_rtr_lst[def_rtr_count].inval_time = timex_add(now, rltime);
def_rtr_count++;
}
}
static int vtimer_set(vtimer_t *timer)
{
DEBUG("vtimer_set(): New timer. Offset: %" PRIu32 " %" PRIu32 "\n", timer->absolute.seconds, timer->absolute.microseconds);
timex_t now;
vtimer_now(&now);
timer->absolute = timex_add(now, timer->absolute);
normalize_to_tick(&(timer->absolute));
DEBUG("vtimer_set(): Absolute: %" PRIu32 " %" PRIu32 "\n", timer->absolute.seconds, timer->absolute.microseconds);
DEBUG("vtimer_set(): NOW: %" PRIu32 " %" PRIu32 "\n", now.seconds, now.microseconds);
int result = 0;
if (timer->absolute.seconds == 0) {
if (timer->absolute.microseconds > 10) {
timer->absolute.microseconds -= 10;
}
}
unsigned state = disableIRQ();
if (timer->absolute.seconds != longterm_tick_timer.absolute.seconds) {
/* we're long-term */
DEBUG("vtimer_set(): setting long_term\n");
result = set_longterm(timer);
}
else {
DEBUG("vtimer_set(): setting short_term\n");
if (set_shortterm(timer)) {
/* delay update of next shortterm timer if we
* are called from within vtimer_callback. */
if (!in_callback) {
result = update_shortterm();
}
}
}
restoreIRQ(state);
return result;
}
int ipv6_net_if_add_addr(int if_id, const ipv6_addr_t *addr,
ndp_addr_state_t state, uint32_t val_ltime,
uint32_t pref_ltime, uint8_t is_anycast)
{
ipv6_net_if_addr_t *addr_entry;
ipv6_net_if_hit_t hit;
if (ipv6_addr_is_unspecified(addr) == 128) {
DEBUG("ERROR: unspecified address (::) can't be assigned to interface.\n");
return 0;
}
if (ipv6_addr_is_multicast(addr) && is_anycast) {
DEBUG("ERROR: anycast addresses must not be multicast addresses "
"(i.e. start with ff::/2)\n");
return 0;
}
if (ipv6_net_if_addr_match(&hit, addr)) {
return 1;
}
if (ipv6_net_if_addr_buffer_count < IPV6_NET_IF_ADDR_BUFFER_LEN) {
timex_t valtime = {val_ltime, 0};
timex_t preftime = {pref_ltime, 0};
timex_t now;
vtimer_now(&now);
ipv6_addr_t *addr_data = &ipv6_addr_buffer[ipv6_net_if_addr_buffer_count];
memcpy(addr_data, addr, sizeof(ipv6_addr_t));
addr_entry = &ipv6_net_if_addr_buffer[ipv6_net_if_addr_buffer_count];
addr_entry->addr_data = addr_data;
addr_entry->addr_len = 128;
if (is_anycast) {
addr_entry->addr_protocol = NET_IF_L3P_IPV6_ANYCAST;
}
else if (ipv6_addr_is_multicast(addr_data)) {
addr_entry->addr_protocol = NET_IF_L3P_IPV6_MULTICAST;
}
else {
addr_entry->addr_protocol = NET_IF_L3P_IPV6_UNICAST;
}
addr_entry->ndp_state = state;
addr_entry->valid_lifetime = timex_add(now, valtime);
addr_entry->preferred_lifetime = timex_add(now, preftime);
addr_entry->is_anycast = is_anycast;
ipv6_net_if_addr_buffer_count++;
net_if_add_address(if_id, (net_if_addr_t *)addr_entry);
/* Register to Solicited-Node multicast address according to RFC 4291 */
if (is_anycast || !ipv6_addr_is_multicast(addr)) {
ipv6_addr_t sol_node_mcast_addr;
ipv6_addr_set_solicited_node_addr(&sol_node_mcast_addr, addr);
if (ipv6_net_if_addr_match(&hit, &sol_node_mcast_addr) == NULL) {
ipv6_net_if_add_addr(if_id, &sol_node_mcast_addr, state,
val_ltime, pref_ltime, 0);
}
}
return 1;
}
return 0;
}