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/**
* Localchat
* Ben Burwell
*
* Table cleaning functions
*/
void *clean_table(void *arg) {
int i;
int j;
time_t now;
double diff;
while (1) {
pthread_mutex_lock(&peer_table_lock);
time(&now);
for (i = 0; i < num_peers_in_table; i++) {
diff = difftime(now, peers[i].last_seen);
if (diff > 10) {
for (j = i; j < num_peers_in_table-1; j++) {
peers[j] = peers[j+1];
}
num_peers_in_table--;
}
}
pthread_mutex_unlock(&peer_table_lock);
sleep(1);
}
return NULL;
}
void start_clean_table_thread() {
pthread_t thread;
pthread_mutex_init(&peer_table_lock, NULL);
if (pthread_create(&thread, NULL, clean_table, NULL) > 0) {
printf("Error starting clean_table thread\n");
abort();
}
}
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