#include "ttt-args.h"
#include "ttt-client.h"
+#include "ttt-error.h"
#include "ttt-socket.h"
struct _ttt_server {
pthread_mutex_t mutex;
+ const char *host;
+ const char *port;
+
int next_client_id;
ttt_client_t **clients;
};
static void
-ttt_server_init (ttt_server_t *server)
+ttt_server_init (ttt_server_t *server, const char *host, const char *port)
{
pthread_mutex_init (&server->mutex, NULL);
+ server->host = host;
+ server->port = port;
+
server->next_client_id = 0;
server->clients = NULL;
}
/* Exported: See ttt-server.h for documentation. */
-int
+ttt_error_t
ttt_server_register_client (ttt_server_t *server, ttt_client_t *client)
{
- int id;
+ int i;
+ ttt_error_t error = TTT_ERROR_NONE;
+ char *name;
pthread_mutex_lock (&server->mutex);
- id = server->next_client_id++;
+ name = xstrdup (ttt_client_get_name (client));
+
+ if (name == NULL) {
+ xasprintf(&name, "user%03d", server->next_client_id++);
+ ttt_client_set_name (client, name);
+ }
+
+ /* XXX: If generated name is not unique, this will return an error,
+ which violates the protocol. */
+ for (i = 0; i < server->num_clients; i++) {
+ if (strcmp (ttt_client_get_name (server->clients[i]), name) == 0) {
+ error = TTT_ERROR_INVALIDNAME;
+ goto CLEANUP_LOCK;
+ }
+ }
- printf ("Client %d has joined.\n", id);
+ printf ("Client %s has joined.\n", name);
+ free (name);
server->num_clients++;
server->clients [server->num_clients - 1] = client;
+ CLEANUP_LOCK:
pthread_mutex_unlock (&server->mutex);
- return id;
+ return error;
}
/* Exported: See ttt-server.h for documentation. */
assert (i < server->num_clients);
- printf ("Client %d has left.\n", ttt_client_get_id (client));
+ printf ("Client %s has left.\n", ttt_client_get_name (client));
memmove (&server->clients[i], &server->clients[i+1],
(server->num_clients - i - 1) * sizeof (ttt_client_t *));
pthread_mutex_unlock (&server->mutex);
}
+/* Exported: See ttt-server.h for documentation. */
+const char*
+ttt_server_get_host (ttt_server_t *server)
+{
+ return server->host;
+}
+
+/* Exported: See ttt-server.h for documentation. */
+const char*
+ttt_server_get_port (ttt_server_t *server)
+{
+ return server->port;
+}
+
static const char *WELCOME_MESSAGE =
"Welcome to ttt-server. So far, this program is still a demonstration\n"
"TCP/IP server, acting something like a rather braindead chat server.\n"
printf (WELCOME_MESSAGE, args.host, args.port, args.host, args.port);
- ttt_server_init (&server);
+ ttt_server_init (&server, args.host, args.port);
while (1)
ttt_socket_accept (socket, _ttt_server_accept, &server);