1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/**
* Localchat
* Ben Burwell
*
* Process user input
*/
void process_user_command() {
int i;
if (strcmp(command, "quit\n") == 0) {
exit(0);
} else if (strcmp(command, "who\n") == 0) {
// print a list of online peers
pthread_mutex_lock(&peer_table_lock);
printf(" +---------+-----------------+----------------------------------+ \n");
printf(" | In Chat | IP | Username | \n");
printf(" +---------+-----------------+----------------------------------+ \n");
for (i = 0; i < num_peers_in_table; i++) {
printf(" | %s | %-15s | %-32s | \n", peers[i].in_chat, peers[i].ip, peers[i].username);
}
printf(" +---------+-----------------+----------------------------------+ \n");
pthread_mutex_unlock(&peer_table_lock);
} else if (strcmp(command, "chat\n") == 0) {
char user[32];
int exists;
printf("user: ");
fgets(user, 32, stdin);
user[strlen(user) - 1] = 0;
exists = check_user_name(user);
if (exists) {
printf("Sending chat request to %s... \n", user);
send_chat_request(user);
} else {
printf("%s does not exist. \n", user);
}
} else if (strcmp(command, "help\n") == 0 || strcmp(command, "?\n") == 0) {
printf("Command Summary: \n");
printf(" who: display a list of online peers \n");
printf(" chat: initiate a chat session \n");
} else if (strcmp(command, "\n") == 0) {
// no command, do nothing.
} else {
printf("Unrecognized command. Type `help` or `?` for help. \n");
}
}
|
