2005-12-05 Richard D. Worth <richard@theworths.org>

[ttt] / src / ttt-server.c

diff --git a/src/ttt-server.c b/src/ttt-server.c
index 450582b7667dae57fa374abc2d126dbfb76e4bf1..c94d3d23a44c5fc3d624b6d87bd30ddd7c9fa0b4 100644 (file)
--- a/src/ttt-server.c
+++ b/src/ttt-server.c
@@ -56,25 +56,25 @@ ttt_server_register_client (ttt_server_t *server, ttt_client_t *client)
 {
     int i;
     ttt_error_t error = TTT_ERROR_NONE;
-    const char *name;
+    const char *username;
 
     pthread_mutex_lock (&server->mutex);
 
-    name = ttt_client_get_name (client);
+    username = ttt_client_get_username (client);
 
-    assert (name != NULL);
+    assert (username != NULL);
 
-    if (name[0] == '\0')
+    if (username[0] == '\0')
        return TTT_ERROR_INVALID_NAME;
 
     for (i = 0; i < server->num_clients; i++) {
-       if (strcmp (ttt_client_get_name (server->clients[i]), name) == 0) {
+       if (strcmp (ttt_client_get_username (server->clients[i]), username) == 0) {
            error = TTT_ERROR_INVALID_NAME;
            goto CLEANUP_LOCK;
        }
     }
 
-    printf ("Client %s has joined.\n", name);
+    printf ("Client %s has joined.\r\n", username);
 
     server->num_clients++;
 
@@ -110,7 +110,7 @@ ttt_server_unregister_client (ttt_server_t *server, ttt_client_t *client)
 
     assert (i < server->num_clients);
 
-    printf ("Client %s has left.\n", ttt_client_get_name (client));
+    printf ("Client %s has left.\r\n", ttt_client_get_username (client));
 
     memmove (&server->clients[i], &server->clients[i+1],
             (server->num_clients - i - 1) * sizeof (ttt_client_t *));
@@ -120,6 +120,7 @@ ttt_server_unregister_client (ttt_server_t *server, ttt_client_t *client)
     pthread_mutex_unlock (&server->mutex);
 }
 
+/* Exported: See ttt-server.h for documentation. */
 void
 ttt_server_broadcast (ttt_server_t *server, const char *message)
 {
@@ -133,6 +134,84 @@ ttt_server_broadcast (ttt_server_t *server, const char *message)
     pthread_mutex_unlock (&server->mutex);
 }
 
+/* Exported: See ttt-server.h for documentation. */
+const char*
+ttt_server_who (ttt_server_t *server)
+{
+    int i;
+    char *response;
+
+    pthread_mutex_lock (&server->mutex);
+
+    xasprintf (&response, "WHO");
+
+    for (i = 0; i < server->num_clients; i++)
+       xasprintf (&response, "%s %s",
+                  response,
+                  ttt_client_get_username (server->clients[i]));
+
+    xasprintf (&response, "%s\r\n", response);
+
+    pthread_mutex_unlock (&server->mutex);
+
+    return response;
+}
+
+/* Exported: See ttt-server.h for documentation. */
+ttt_error_t
+ttt_server_statistics (ttt_server_t *server, const char *username, char **response)
+{
+    ttt_bool_t usernamefound = FALSE;
+    char *client_username;
+    int client_num_wins;
+    int i;
+
+    pthread_mutex_lock (&server->mutex);
+
+    for (i = 0; i < server->num_clients; i++) {
+       client_username = ttt_client_get_username (server->clients[i]);
+       if (strcasecmp (username, client_username) == 0) {
+           usernamefound = TRUE;
+           client_num_wins = ttt_client_get_num_wins (server->clients[i]);
+           xasprintf (response, "STATISTICS %s \"\r\n"
+                      "TICTACTOE WINS %d\r\n\"\r\n",
+                      client_username,
+                      client_num_wins);
+       }
+    }
+
+    pthread_mutex_unlock (&server->mutex);
+
+    if (!usernamefound)
+       return TTT_ERROR_NO_USER;
+
+    return TTT_ERROR_NONE;
+}
+
+/* Exported: See ttt-server.h for documentation. */
+ttt_error_t
+ttt_server_verify_username (ttt_server_t *server, const char *username)
+{
+    ttt_bool_t usernamefound = FALSE;
+    char *client_username;
+    int i;
+
+    pthread_mutex_lock (&server->mutex);
+
+    for (i = 0; i < server->num_clients; i++) {
+       client_username = ttt_client_get_username (server->clients[i]);
+       if (strcasecmp (username, client_username) == 0)
+           usernamefound = TRUE;
+    }
+
+    pthread_mutex_unlock (&server->mutex);
+
+    if (!usernamefound)
+       return TTT_ERROR_NO_USER;
+
+    return TTT_ERROR_NONE;
+}
+
 /* Exported: See ttt-server.h for documentation. */
 const char*
 ttt_server_get_host (ttt_server_t *server)
@@ -148,26 +227,18 @@ ttt_server_get_port (ttt_server_t *server)
 }
 
 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"
-"The server is currently listening on:\n"
-"\n    %s:%s\n"
-"\nTo test this, simply connect one or more clients to that host and port.\n"
-"For example:\n"
-"\n    telnet %s %s\n"
-"\nOnce you have connected a client, the server will send each line of text\n"
-"it receives to all connected clients. The server reports client joins and\n"
-"departures on stdout.\n"
-"\nNote that to terminate the telnet client you type Control-], then\n"
-"<Enter>, then \"close\" (and <Enter>) at the \"telnet> \" prompt.\n"
-"\nHave fun!\n"
-"-Carl\n"
-"\nPS. At this point we're ready to leave the demonstration phase and to\n"
-"begin implementing TTTP (tic-tac-toe protocol) as well as fixing the\n"
-"protocol specifcation. We don't need a custom client to move forward on\n"
-"the server (that is one of the ideas behind using a telnet-compatible\n"
-"protocol), but a custom client would still be a fine project for a\n"
-"motivated beginning programmer.\n\n";
+"Welcome to ttt-server. The server is currently listening on:\r\n"
+"\r\n"
+"      %s:%s\r\n"
+"\r\n"
+"To test this, simply connect one or more clients to that host and port.\r\n"
+"For example:\r\n"
+"\r\n"
+"      telnet %s %s\r\n"
+"\r\n"
+"The TTTP (tic-tac-toe protocol) has been partially implemented.\r\n"
+"The following commands should work: HELO, HELP, MESSAGE, VERSION, QUIT, WHO.\r\n"
+"\r\n";
 
 static void
 _ttt_server_accept (void *closure, int client_socket)