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/**
* Localchat
* Ben Burwell
*
* Checks whether a username is in use
*/
int check_user_name(const char * username) {
int i;
pthread_mutex_lock(&peer_table_lock);
for (i = 0; i < num_peers_in_table; i++) {
if (strcmp(peers[i].username, username) == 0) {
pthread_mutex_unlock(&peer_table_lock);
return 1;
}
}
pthread_mutex_unlock(&peer_table_lock);
return 0;
}
void get_ip_by_username(char * username) {
int i;
pthread_mutex_lock(&peer_table_lock);
for (i = 0; i < num_peers_in_table; i++) {
if (strcmp(peers[i].username, username) == 0) {
printf("IP: %s \n", peers[i].ip);
pthread_mutex_unlock(&peer_table_lock);
return;
}
}
printf("%s does not exist. \n", username);
pthread_mutex_unlock(&peer_table_lock);
return;
}
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