/**
* Function called by transport telling us that a peer
* disconnected.
*
* @param cls closure
* @param peer the peer that disconnected
*/
static void
handle_transport_notify_disconnect (void *cls,
const struct GNUNET_PeerIdentity *peer)
{
struct Neighbour *n;
if (0 == memcmp (peer,
&GSC_my_identity,
sizeof (struct GNUNET_PeerIdentity)))
{
GNUNET_break (0);
return;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Peer `%s' disconnected from us; received notification from transport.\n",
GNUNET_i2s (peer));
n = find_neighbour (peer);
if (NULL == n)
{
GNUNET_break (0);
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Peer %s not found\n",
GNUNET_i2s (peer));
return;
}
free_neighbour (n);
}
/**
* Wrapper around #free_neighbour().
*
* @param cls unused
* @param key peer identity
* @param value the `struct Neighbour` to free
* @return #GNUNET_OK (continue to iterate)
*/
static int
free_neighbour_helper (void *cls,
const struct GNUNET_PeerIdentity * key,
void *value)
{
struct Neighbour *n = value;
/* transport should have 'disconnected' all neighbours... */
GNUNET_break (0);
free_neighbour (n);
return GNUNET_OK;
}
void send_packets_neighbour_ip6(neighbour *n){
long long current_time;
long long delay = 1000; //Send or resend packets every 1 second
current_time = current_timestamp();
if(current_time - n->last_response > n->holdtime){
printf("Neighbour is inactive removing him.\n");
free_neighbour(n,"holding time expired");
return;
}
if((!n->send_next_packet) && current_time - n->last_packet_sent < delay){
return;
}
n->send_next_packet = false;
if(linkedlist_isempty(&n->packet_queue)){
if(n->last_ack_sent != n->pending_ack && n->pending_ack != -1){
int length = sizeof(struct eigrphdr);
packetv4_param *packet = create_empty_packet(OPCODE_HELLO,0, n->sin);
n->last_ack_sent = n->pending_ack;
create_eigrp_header(packet, length, OPCODE_HELLO, n->proc->proccess_id, 0, n->pending_ack, 0);
//Record packets sent
n->proc->stats.packets_sent[packet->opcode]++;
if(n->pending_ack != 0)n->proc->stats.acks_sent++;
send_ip4_packet(packet,n->interface->socket4);
n->last_packet_sent = current_time;
free(packet);
}
}else{
packetv4_param *packet = linkedlist_peekfirst(&n->packet_queue);
if(packet->seq_num == 0){
int seq_num = n->proc->seq_num++; //increase the seq_num by 1
packet->seq_num = seq_num; //assign the seq to the struct so it be retrived later to check for ack
//create_eigrp_header(packet, packet->buffer_len, packet->opcode, n->proc->proccess_id, packet->seq_num , n->pending_ack, packet->flags);
//n->last_ack_sent = n->pending_ack;
//Save the seq num for the neighbour state change
if( flags_are_set(packet->flags, FLAG_INIT) ){
n->init_seq = seq_num;
}
}
int ack = n->pending_ack;
if(ack == -1) ack = 0;
create_eigrp_header(packet, packet->buffer_len, packet->opcode, n->proc->proccess_id, packet->seq_num , ack, packet->flags);
n->last_ack_sent = n->pending_ack;
//Record packets sent
n->proc->stats.packets_sent[packet->opcode]++;
if(n->pending_ack != 0)n->proc->stats.acks_sent++;
send_ip4_packet(packet,n->interface->socket4);
n->last_packet_sent = current_time;
}
}
