struct _ttt_client {
pthread_mutex_t mutex;
- pthread_t thread;
+ pthread_t thread;
- ttt_server_t *server;
- int socket;
- yyscan_t scanner;
+ ttt_server_t *server;
+ int socket;
+ yyscan_t scanner;
- int id;
+ char **request_strings;
+ int num_request_strings;
- char **request_strings;
- int num_request_strings;
+ char *name;
+ ttt_bool_t registered;
+ int num_wins;
};
+typedef ttt_error_t (*ttt_command_func_t) (ttt_client_t *client,
+ char **args,
+ int num_args);
+
+static ttt_error_t
+_ttt_client_execute_helo (ttt_client_t *client,
+ char **args,
+ int num_args);
+
+static ttt_error_t
+_ttt_client_execute_who (ttt_client_t *client,
+ char **args,
+ int num_args);
+
+static ttt_error_t
+_ttt_client_execute_quit (ttt_client_t *client,
+ char **args,
+ int num_args);
+
+static ttt_error_t
+_ttt_client_execute_message (ttt_client_t *client,
+ char **args,
+ int num_args);
+
+
+
+typedef struct _ttt_command_description {
+ const char *command;
+ int args_required;
+ ttt_command_func_t execute;
+} ttt_command_description_t;
+
+ttt_command_description_t command_descriptions[] = {
+ {"HELO", 1, _ttt_client_execute_helo},
+ {"WHO", 0, _ttt_client_execute_who },
+ {"QUIT", 0, _ttt_client_execute_quit},
+ {"MESSAGE", 1, _ttt_client_execute_message}
+};
+
+#define ARRAY_SIZE(arr) (sizeof(arr)/sizeof(arr[0]))
+
+static ttt_error_t
+_ttt_client_execute_helo (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ ttt_error_t error;
+ char *response;
+
+ assert (num_args == 1);
+
+ ttt_client_set_name (client, args[0]);
+
+ error = ttt_server_register_client (client->server, client);
+ if (error)
+ return error;
+
+ client->registered = TRUE;
+
+ xasprintf (&response, "HELO %s %s %s\n",
+ client->name,
+ ttt_server_get_host (client->server),
+ ttt_server_get_port (client->server));
+
+ ttt_client_send (client, response);
+
+ 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);
+
+ response = ttt_server_who (client->server);
+
+ 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)
+{
+ assert (num_args == 0);
+
+ return TTT_ERROR_QUIT_REQUESTED;
+}
+
+static ttt_error_t
+_ttt_client_execute_message (ttt_client_t *client,
+ char **args,
+ int num_args)
+{
+ char *response;
+ int i;
+
+ assert (num_args > 0);
+
+ xasprintf(&response, "MESSAGE\n");
+ ttt_client_send (client, response);
+
+ xasprintf(&response, "NOTICE MESSAGE %s", client->name);
+ for (i=0; i<num_args; i++){
+ xasprintf(&response, "%s %s",response,args[i]);
+
+ }
+ xasprintf(&response, "%s\n",response);
+ ttt_server_broadcast (client->server,response);
+
+ free (response);
+ return TTT_ERROR_NONE;
+
+
+}
+
static void
_free_request (ttt_client_t *client);
client->request_strings = NULL;
client->num_request_strings = 0;
- /* XXX: Probably want to register only as the result of the HELO
- command. Not only will that match the protocol correctly, but
- it will also eliminate a race condition here. */
- client->id = ttt_server_register_client (server, client);
+ client->name = NULL;
+ client->registered = FALSE;
+ client->num_wins = 0;
}
static void
{
pthread_mutex_lock (&client->mutex);
- ttt_server_unregister_client (client->server, client);
+ if (client->registered)
+ ttt_server_unregister_client (client->server, client);
+
+ free (client->name);
+ client->name = NULL;
yylex_destroy (client->scanner);
shutdown (client->socket, SHUT_RDWR);
{
int i;
- for (i=0; i < client->num_request_strings; i++)
- ttt_server_broadcast (client->server, client->request_strings[i]);
+ char *command = client->request_strings[0];
+ int num_args = client->num_request_strings-1;
+ ttt_command_description_t *desc;
- return TTT_ERROR_NONE;
+ 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(command, desc->command) == 0) {
+ if (num_args < desc->args_required)
+ return TTT_ERROR_SYNTAX;
+ return (desc->execute) (client, &client->request_strings[1], num_args);
+ }
+ }
+
+ return TTT_ERROR_COMMAND;
}
static void *
ASSERT_NOT_REACHED;
error = _execute_request (client);
+ if (error == TTT_ERROR_QUIT_REQUESTED)
+ break;
if (error)
ttt_client_send (client, ttt_error_string (error));
}
pthread_mutex_unlock (&client->mutex);
}
+/* Exported: See ttt-client.h for documentation. */
+const char*
+ttt_client_get_name (ttt_client_t *client)
+{
+ return client->name;
+}
+
+/* Exported: See ttt-client.h for documentation. */
+void
+ttt_client_set_name (ttt_client_t *client, const char *name)
+{
+ free (client->name);
+ client->name = xstrdup (name);
+}
+
/* Exported: See ttt-client.h for documentation. */
int
-ttt_client_get_id (ttt_client_t *client)
+ttt_client_get_num_wins (ttt_client_t *client)
{
- return client->id;
+ return client->num_wins;
}
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