+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;
+
+
+}
+