/* Delete accepted connection from list.
*
* return 0 on success
* return -1 on failure
*/
static int del_accepted(TCP_Server *TCP_server, int index)
{
if ((uint32_t)index >= TCP_server->size_accepted_connections)
return -1;
if (TCP_server->accepted_connection_array[index].status == TCP_STATUS_NO_STATUS)
return -1;
if (!bs_list_remove(&TCP_server->accepted_key_list, TCP_server->accepted_connection_array[index].public_key, index))
return -1;
memset(&TCP_server->accepted_connection_array[index], 0, sizeof(TCP_Secure_Connection));
--TCP_server->num_accepted_connections;
if (TCP_server->num_accepted_connections == 0)
realloc_connection(TCP_server, 0);
return 0;
}
/* Add accepted TCP connection to the list.
*
* return index on success
* return -1 on failure
*/
static int add_accepted(TCP_Server *TCP_server, const TCP_Secure_Connection *con)
{
int index = get_TCP_connection_index(TCP_server, con->public_key);
if (index != -1) { /* If an old connection to the same public key exists, kill it. */
kill_accepted(TCP_server, index);
index = -1;
}
if (TCP_server->size_accepted_connections == TCP_server->num_accepted_connections) {
if (realloc_connection(TCP_server, TCP_server->size_accepted_connections + 4) == -1)
return -1;
index = TCP_server->num_accepted_connections;
} else {
uint32_t i;
for (i = TCP_server->size_accepted_connections; i != 0; --i) {
if (TCP_server->accepted_connection_array[i - 1].status == TCP_STATUS_NO_STATUS) {
index = i - 1;
break;
}
}
}
if (index == -1) {
fprintf(stderr, "FAIL index is -1\n");
return -1;
}
if (!bs_list_add(&TCP_server->accepted_key_list, con->public_key, index))
return -1;
memcpy(&TCP_server->accepted_connection_array[index], con, sizeof(TCP_Secure_Connection));
TCP_server->accepted_connection_array[index].status = TCP_STATUS_CONFIRMED;
++TCP_server->num_accepted_connections;
TCP_server->accepted_connection_array[index].identifier = ++TCP_server->counter;
TCP_server->accepted_connection_array[index].last_pinged = unix_time();
TCP_server->accepted_connection_array[index].ping_id = 0;
return index;
}
