static int
deserialize_hello(struct hello_message *hello, const void *ser)
{
const unsigned char *curr, *limit;
uint8_t type;
uint16_t size;
struct ipaddr_str buf;
memset (hello, 0, sizeof(*hello));
curr = ser;
pkt_get_u8(&curr, &type);
if (type != HELLO_MESSAGE && type != LQ_HELLO_MESSAGE) {
/* No need to do anything more */
return 1;
}
pkt_get_reltime(&curr, &hello->vtime);
pkt_get_u16(&curr, &size);
pkt_get_ipaddress(&curr, &hello->source_addr);
pkt_get_u8(&curr, &hello->ttl);
pkt_get_u8(&curr, &hello->hop_count);
pkt_get_u16(&curr, &hello->packet_seq_number);
pkt_ignore_u16(&curr);
pkt_get_reltime(&curr, &hello->htime);
pkt_get_u8(&curr, &hello->willingness);
hello->neighbors = NULL;
limit = ((const unsigned char *)ser) + size;
while (curr < limit) {
const unsigned char *limit2 = curr;
uint8_t link_code;
uint16_t size2;
pkt_get_u8(&curr, &link_code);
pkt_ignore_u8(&curr);
pkt_get_u16(&curr, &size2);
limit2 += size2;
while (curr < limit2) {
struct hello_neighbor *neigh = olsr_malloc_hello_neighbor("HELLO deserialization");
pkt_get_ipaddress(&curr, &neigh->address);
if (type == LQ_HELLO_MESSAGE) {
olsr_deserialize_hello_lq_pair(&curr, neigh);
}
neigh->link = EXTRACT_LINK(link_code);
neigh->status = EXTRACT_STATUS(link_code);
neigh->next = hello->neighbors;
hello->neighbors = neigh;
}
}
return 0;
}
static void
lq_etxfloat_deserialize_tc_lq(uint8_t const **curr, struct tc_edge_entry *edge)
{
struct lq_etxfloat_tc_edge *lq_edge = (struct lq_etxfloat_tc_edge *)edge;
uint8_t lq_value, nlq_value;
pkt_get_u8(curr, &lq_value);
pkt_get_u8(curr, &nlq_value);
pkt_ignore_u16(curr);
lq_edge->lq.valueLq = (float)lq_value / 255.0;
lq_edge->lq.valueNlq = (float)nlq_value / 255.0;
}
static void
lq_etxfloat_deserialize_hello_lq(uint8_t const **curr, struct lq_hello_neighbor *neigh)
{
struct lq_etxfloat_lq_hello_neighbor *lq_neigh = (struct lq_etxfloat_lq_hello_neighbor *)neigh;
uint8_t lq_value, nlq_value;
pkt_get_u8(curr, &lq_value);
pkt_get_u8(curr, &nlq_value);
pkt_ignore_u16(curr);
lq_neigh->lq.valueLq = (float)lq_value / 255.0;
lq_neigh->lq.valueNlq = (float)nlq_value / 255.0;
}
static int receive_ack(void)
{
uint64 seq;
if (!receive_packet(ACK1, 8+8+AUTH_LENGTH, 8+8+AUTH_LENGTH))
return 0;
pkt_get_u8(&rpacket, 8, &seq);
if (seq != seq_last) {
debugf(DEBUG_PACKET, "{Received wrong ACK sequence #}llu{ sent #}llu",
seq, seq_last);
return 0;
}
if (!pkt_validate(&rpacket, &msg_authenticator)) {
debug1(DEBUG_PACKET, "Received ACK failed validation");
return 0;
}
debugf(DEBUG_PACKET, "{Received ACK packet #}llu", seq);
buffer->pop();
seq_last = 0;
return 1;
}