+ assert (num_args == 1);
+
+ ttt_client_set_username (client, args[0]);
+
+ error = ttt_server_register_client (client->server, client);
+ if (error)
+ return error;
+ client->registered = TRUE;
+
+ xasprintf (&response, "HELO %s %s %s\r\n",
+ client->username,
+ ttt_server_get_host (client->server),
+ ttt_server_get_port (client->server));
+ ttt_client_send (client, response);
+
+ xasprintf (¬ice, "NOTICE USER %s\r\n",
+ client->username);
+ ttt_server_broadcast (client->server, notice);
+
+ free (notice);
+ free (response);
+
+ return TTT_ERROR_NONE;
+}
+
+static ttt_error_t
+_ttt_client_execute_who (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ char *response;
+
+ assert (num_args == 0);
+
+ if (!client->registered)
+ return TTT_ERROR_NO_NAME_SET;
+
+ response = xstrdup (ttt_server_who (client->server));
+ ttt_client_send (client, response);
+
+ free (response);
+
+ return TTT_ERROR_NONE;
+}
+
+static ttt_error_t
+_ttt_client_execute_statistics (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ char *response;
+ char *username;
+ ttt_error_t error;
+
+ assert (num_args == 1);
+
+ username = args[0];
+
+ if (!client->registered)
+ return TTT_ERROR_NO_NAME_SET;
+
+ error = ttt_server_statistics (client->server, username, &response);
+ if (error)
+ return error;
+
+ ttt_client_send (client, response);
+
+ free (response);
+
+ return TTT_ERROR_NONE;
+}
+
+static ttt_error_t
+_ttt_client_execute_message (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ char *response;
+ char *notice;
+
+ assert (num_args == 1);
+
+ if (!client->registered)
+ return TTT_ERROR_NO_NAME_SET;
+
+ xasprintf (&response, "MESSAGE\r\n");
+ ttt_client_send (client, response);
+
+ xasprintf (¬ice, "NOTICE MESSAGE %s \"%s\"\r\n",
+ client->username,
+ args[0]);
+ ttt_server_broadcast (client->server, notice);
+
+ free (notice);
+ free (response);
+
+ return TTT_ERROR_NONE;
+}
+
+static ttt_error_t
+_ttt_client_execute_help (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ char *response;
+ char *command;
+ ttt_command_description_t *desc;
+ int i;
+ ttt_bool_t is_command = FALSE;
+
+ if (num_args == 0) {
+ xasprintf (&response, "HELP \"\r\n"
+ "Available Commands:\r\n");
+ for (i = 0; i < ARRAY_SIZE(command_descriptions); i++) {
+ desc = &command_descriptions[i];
+ xasprintf (&response, "%s\r\n %s - %s\r\n",
+ response,
+ desc->usage,
+ desc->description);
+ }
+ xasprintf (&response, "%s\"\r\n", response);
+ } else {
+ command = args[0];
+ for (i = 0; i < strlen (command); i++)
+ command[i] = toupper (command[i]);
+ for (i = 0; i < ARRAY_SIZE(command_descriptions); i++) {
+ desc = &command_descriptions[i];
+ if (strcmp (desc->command, command) == 0) {
+ is_command = TRUE;
+ xasprintf (&response, "HELP %s \"\r\n"
+ "%s\r\n"
+ "\r\n"
+ "Usage:\r\n"
+ " %s\r\n"
+ "\"\r\n",
+ desc->command,
+ desc->description,
+ desc->usage);
+ /* XXX: Add detailed help. */
+ }
+ }
+ }
+
+ if ((num_args == 1) && (!is_command))
+ return TTT_ERROR_SYNTAX;
+
+ ttt_client_send (client, response);
+
+ free (response);
+ return TTT_ERROR_NONE;
+}
+
+static ttt_error_t
+_ttt_client_execute_version (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ char *response;
+ char *clientversion;
+ int version;
+ int i;
+
+ assert (num_args == 1);
+
+ clientversion = args[0];
+
+ /* Verify that provided version arg is a positive integer */
+ for (i = 0; i < strlen(clientversion); i++)
+ if (!isdigit (clientversion[i]))
+ return TTT_ERROR_SYNTAX;
+
+ version = atoi (clientversion);
+
+ if (version < 1)
+ return TTT_ERROR_SYNTAX;
+
+ if (version > TTT_SERVER_PROTOCOL_VERSION)
+ version = TTT_SERVER_PROTOCOL_VERSION;
+
+ xasprintf (&response, "VERSION %d\r\n", version);
+ ttt_client_send (client, response);
+
+ free (response);
+ return TTT_ERROR_NONE;
+}
+
+static ttt_error_t
+_ttt_client_execute_quit (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ char *notice;
+
+ assert (num_args == 0);
+
+ if (!client->registered)
+ return TTT_ERROR_QUIT_REQUESTED;
+
+ xasprintf (¬ice, "NOTICE QUIT %s\r\n",
+ client->username);
+ ttt_server_broadcast (client->server, notice);
+
+ free (notice);
+
+ return TTT_ERROR_QUIT_REQUESTED;
+}
+
+static ttt_error_t
+_ttt_client_execute_invite (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ const char *username;
+ char *response;
+ char *notice;
+ ttt_error_t error;
+
+ assert (num_args == 1);
+
+ username = args[0];
+
+ if (!client->registered)
+ return TTT_ERROR_NO_NAME_SET;
+
+ error = ttt_server_verify_username (client->server, username);
+ if (error)
+ return error;
+
+ xasprintf (&response, "INVITE\r\n");
+ ttt_client_send (client, response);
+
+ xasprintf (¬ice, "NOTICE INVITE %s %s\r\n",
+ client->username,
+ username);
+ ttt_server_broadcast (client->server, notice);
+
+ /* XXX: Store invitation in state */
+
+ free (notice);
+ free (response);
+
+ return TTT_ERROR_NONE;
+}
+
+static ttt_error_t
+_ttt_client_execute_accept (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ const char *username;
+ char *response;
+ char *notice;
+ ttt_error_t error;
+
+ assert (num_args == 1);
+
+ username = args[0];
+
+ if (!client->registered)
+ return TTT_ERROR_NO_NAME_SET;
+
+ error = ttt_server_verify_username (client->server, username);
+ if (error)
+ return error;
+
+ /* XXX: Verify invitation, else return ERROR NO_INVITE */
+
+ xasprintf (&response, "ACCEPT\r\n");
+ ttt_client_send (client, response);
+
+ xasprintf (¬ice, "NOTICE ACCEPT %s %s\r\n",
+ client->username,
+ username);
+ ttt_server_broadcast (client->server, notice);
+
+ /* XXX: Start a new game */
+
+ free (notice);
+ free (response);
+
+ return TTT_ERROR_NONE;
+}
+
+static ttt_error_t
+_ttt_client_execute_retract (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ const char *username;
+ char *response;
+ char *notice;
+ ttt_error_t error;
+
+ assert (num_args == 1);
+
+ username = args[0];
+
+ if (!client->registered)
+ return TTT_ERROR_NO_NAME_SET;
+
+ error = ttt_server_verify_username (client->server, username);
+ if (error)
+ return error;
+
+ /* XXX: Verify invitation, else return ERROR NO_INVITE */
+
+ xasprintf (&response, "RETRACT\r\n");
+ ttt_client_send (client, response);
+
+ xasprintf (¬ice, "NOTICE RETRACT %s %s\r\n",
+ client->username,
+ username);
+ ttt_server_broadcast (client->server, notice);
+
+ /* XXX: Remove invitiation from state */
+
+ free (notice);
+ free (response);
+
+ return TTT_ERROR_NONE;
+}
+
+static ttt_error_t
+_ttt_client_execute_decline (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ const char *username;
+ char *response;
+ char *notice;
+ ttt_error_t error;
+
+ assert (num_args == 1);
+
+ username = args[0];
+
+ if (!client->registered)
+ return TTT_ERROR_NO_NAME_SET;
+
+ error = ttt_server_verify_username (client->server, username);
+ if (error)
+ return error;
+
+ /* XXX: Verify invitation, else return ERROR NO_INVITE */
+
+ xasprintf (&response, "DECLINE\r\n");
+ ttt_client_send (client, response);
+
+ xasprintf (¬ice, "NOTICE DECLINE %s %s\r\n",
+ client->username,
+ username);
+ ttt_server_broadcast (client->server, notice);
+
+ /* XXX: Remove invitation from state */
+
+ free (notice);
+ free (response);
+
+ return TTT_ERROR_NONE;
+}
+
+static void
+_free_request (ttt_client_t *client);
+
+static void
+_ttt_client_init (ttt_client_t *client,
+ ttt_server_t *server,
+ int socket)
+{
+ FILE *file;
+
+ pthread_mutex_init (&client->mutex, NULL);