void *distmem_get_specific_entry(struct distmem *dist_kind, void *ptr) {
struct distmem_memory_information_generic *head = dist_kind->internal_state[get_hashkey(ptr)];
while (head != NULL) {
if (head->ptr == ptr) return head->specific_information;
head = head->next;
}
return NULL;
}
void distmem_put_specific_entry_into_state(struct distmem *dist_kind, void *specific_info, void *ptr,
void (*deallocate_specific_information)(void *)) {
int hashkey = get_hashkey(ptr);
struct distmem_memory_information_generic *generic_info =
(struct distmem_memory_information_generic *)memkind_malloc(MEMKIND_DEFAULT, sizeof(struct distmem_memory_information_generic));
generic_info->ptr = ptr;
generic_info->specific_information = specific_info;
generic_info->deallocate_specific_information = deallocate_specific_information;
generic_info->next = dist_kind->internal_state[hashkey];
dist_kind->internal_state[hashkey] = generic_info;
}
// thread entrypoint
void dtls_dispatch::operator ()()
{
// nameserv thread wants to know about this node's hashkey/addr
nameserv_thread->set_local_addr(get_hashkey(), vn->get_tun_ipaddr());
update_dht_local_ipaddrs();
while(run_state != SHUTDOWN || pinit->peer_count() > 0 || vn->peer_count() > 0)
{
int next_timer = timers.exec();
if(cleanup_peers())
continue; // in case cleanup causes loop condition to be satisfied, or sets a timer
dout() << "Iterating dispatch event loop, next timer " << next_timer << " ms, sockets " << sockets.size() << " handshake " << pinit->peer_count() << " vnet " << vn->peer_count();
sockets.event_exec_wait(next_timer);
}
dout() << "dtls dispatch thread exiting";
}
static void remove_info_entry_from_state(struct distmem *dist_kind, void *ptr) {
int hash_key = get_hashkey(ptr);
struct distmem_memory_information_generic *specific_state = dist_kind->internal_state[hash_key], *last_entry = NULL;
while (specific_state != NULL) {
if (specific_state->ptr == ptr) {
if (last_entry == NULL) {
dist_kind->internal_state[hash_key] = specific_state->next;
} else {
last_entry->next = specific_state->next;
}
if (specific_state->deallocate_specific_information != NULL) {
specific_state->deallocate_specific_information(specific_state->specific_information);
} else {
if (specific_state->specific_information != NULL) {
memkind_free(MEMKIND_DEFAULT, specific_state->specific_information);
}
}
memkind_free(MEMKIND_DEFAULT, specific_state);
break;
}
last_entry = specific_state;
specific_state = specific_state->next;
}
}
