gfio: update for handling files, connections, states
[fio.git] / gfio.c
diff --git a/gfio.c b/gfio.c
index cd0e35a00088c5519df45cdbc6f6ff43ce46f9af..938515905673170d839bb9c835e4ed27684c7d44 100644 (file)
--- a/gfio.c
+++ b/gfio.c
@@ -76,7 +76,7 @@ static struct button_spec {
 
 static void gfio_update_thread_status(struct gui_entry *ge, char *status_message, double perc);
 static void gfio_update_thread_status_all(struct gui *ui, char *status_message, double perc);
-static void report_error(GError *error);
+static void report_error(struct gui_entry *ge, GError *error);
 
 static struct graph *setup_iops_graph(void)
 {
@@ -874,13 +874,13 @@ static void gfio_add_total_depths_tree(GtkListStore *model,
 
 static void gfio_show_io_depths(GtkWidget *vbox, struct thread_stat *ts)
 {
-       GtkWidget *frame, *box, *tree_view;
+       GtkWidget *frame, *box, *tree_view = NULL;
        GtkTreeSelection *selection;
        GtkListStore *model;
        GType types[FIO_IO_U_MAP_NR + 1];
        int i;
-#define NR_LABELS      10
-       const char *labels[NR_LABELS] = { "Depth", "0", "1", "2", "4", "8", "16", "32", "64", ">= 64" };
+       const char *labels[] = { "Depth", "0", "1", "2", "4", "8", "16", "32", "64", ">= 64" };
+       const int nr_labels = ARRAYSIZE(labels);
 
        frame = gtk_frame_new("IO depths");
        gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
@@ -888,10 +888,10 @@ static void gfio_show_io_depths(GtkWidget *vbox, struct thread_stat *ts)
        box = gtk_hbox_new(FALSE, 3);
        gtk_container_add(GTK_CONTAINER(frame), box);
 
-       for (i = 0; i < NR_LABELS; i++)
+       for (i = 0; i < nr_labels; i++)
                types[i] = G_TYPE_STRING;
 
-       model = gtk_list_store_newv(NR_LABELS, types);
+       model = gtk_list_store_newv(nr_labels, types);
 
        tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
        gtk_widget_set_can_focus(tree_view, FALSE);
@@ -902,12 +902,12 @@ static void gfio_show_io_depths(GtkWidget *vbox, struct thread_stat *ts)
        selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree_view));
        gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_BROWSE);
 
-       for (i = 0; i < NR_LABELS; i++)
+       for (i = 0; i < nr_labels; i++)
                tree_view_column(tree_view, i, labels[i], ALIGN_RIGHT | UNSORTABLE);
 
-       gfio_add_total_depths_tree(model, ts, NR_LABELS);
-       gfio_add_sc_depths_tree(model, ts, NR_LABELS, 1);
-       gfio_add_sc_depths_tree(model, ts, NR_LABELS, 0);
+       gfio_add_total_depths_tree(model, ts, nr_labels);
+       gfio_add_sc_depths_tree(model, ts, nr_labels, 1);
+       gfio_add_sc_depths_tree(model, ts, nr_labels, 0);
 
        gtk_box_pack_start(GTK_BOX(box), tree_view, TRUE, FALSE, 3);
 }
@@ -1708,6 +1708,15 @@ static void gfio_client_iolog(struct fio_client *client, struct cmd_iolog_pdu *p
        free(pdu);
 }
 
+static void gfio_client_removed(struct fio_client *client)
+{
+       struct gfio_client *gc = client->client_data;
+
+       assert(gc->client == client);
+       fio_put_client(gc->client);
+       gc->client = NULL;
+}
+
 struct client_ops gfio_client_ops = {
        .text                   = gfio_text_op,
        .disk_util              = gfio_disk_util_op,
@@ -1723,6 +1732,7 @@ struct client_ops gfio_client_ops = {
        .start                  = gfio_client_start,
        .job_start              = gfio_client_job_start,
        .iolog                  = gfio_client_iolog,
+       .removed                = gfio_client_removed,
        .eta_msec               = FIO_CLIENT_DEF_ETA_MSEC,
        .stay_connected         = 1,
        .client_type            = FIO_CLIENT_TYPE_GUI,
@@ -1742,6 +1752,8 @@ static void ge_destroy(struct gui_entry *ge)
                fio_put_client(gc->client);
        }
 
+       free(ge->job_file);
+       free(ge->host);
        flist_del(&ge->list);
        free(ge);
 }
@@ -1783,36 +1795,20 @@ static void *job_thread(void *arg)
        return NULL;
 }
 
-static int send_job_files(struct gui_entry *ge)
+static int send_job_file(struct gui_entry *ge)
 {
        struct gfio_client *gc = ge->client;
-       int i, ret = 0;
-
-       for (i = 0; i < ge->nr_job_files; i++) {
-               ret = fio_client_send_ini(gc->client, ge->job_files[i]);
-               if (ret < 0) {
-                       GError *error;
+       GError *error;
+       int ret = 0;
 
-                       error = g_error_new(g_quark_from_string("fio"), 1, "Failed to send file %s: %s\n", ge->job_files[i], strerror(-ret));
-                       report_error(error);
-                       g_error_free(error);
-                       break;
-               } else if (ret)
-                       break;
-
-               free(ge->job_files[i]);
-               ge->job_files[i] = NULL;
-       }
-       while (i < ge->nr_job_files) {
-               free(ge->job_files[i]);
-               ge->job_files[i] = NULL;
-               i++;
-       }
+       ret = fio_client_send_ini(gc->client, ge->job_file);
+       if (!ret)
+               return 0;
 
-       free(ge->job_files);
-       ge->job_files = NULL;
-       ge->nr_job_files = 0;
-       return ret;
+       error = g_error_new(g_quark_from_string("fio"), 1, "Failed to send file %s: %s\n", ge->job_file, strerror(-ret));
+       report_error(ge, error);
+       g_error_free(error);
+       return 1;
 }
 
 static void *server_thread(void *arg)
@@ -1845,93 +1841,6 @@ static void start_job_clicked(__attribute__((unused)) GtkWidget *widget,
 
 static void file_open(GtkWidget *w, gpointer data);
 
-static void connect_clicked(GtkWidget *widget, gpointer data)
-{
-       struct gui_entry *ge = data;
-       struct gfio_client *gc = ge->client;
-
-       if (ge->state == GE_STATE_NEW) {
-               int ret;
-
-               if (!ge->nr_job_files)
-                       file_open(widget, ge->ui);
-               if (!ge->nr_job_files)
-                       return;
-
-               gc = ge->client;
-
-               gtk_progress_bar_set_text(GTK_PROGRESS_BAR(ge->thread_status_pb), "No jobs running");
-               gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(ge->thread_status_pb), 0.0);
-               ret = fio_client_connect(gc->client);
-               if (!ret) {
-                       if (!ge->ui->handler_running)
-                               pthread_create(&ge->ui->t, NULL, job_thread, ge->ui);
-                       gfio_set_state(ge, GE_STATE_CONNECTED);
-               } else {
-                       GError *error;
-
-                       error = g_error_new(g_quark_from_string("fio"), 1, "Failed to connect to %s: %s\n", ge->client->client->hostname, strerror(-ret));
-                       report_error(error);
-                       g_error_free(error);
-               }
-       } else {
-               fio_client_terminate(gc->client);
-               gfio_set_state(ge, GE_STATE_NEW);
-               clear_ge_ui_info(ge);
-       }
-}
-
-static void send_clicked(GtkWidget *widget, gpointer data)
-{
-       struct gui_entry *ge = data;
-
-       if (send_job_files(ge)) {
-               GError *error;
-
-               error = g_error_new(g_quark_from_string("fio"), 1, "Failed to send one or more job files for client %s", ge->client->client->hostname);
-               report_error(error);
-               g_error_free(error);
-
-               gtk_widget_set_sensitive(ge->button[GFIO_BUTTON_START], 1);
-       }
-}
-
-static void on_info_bar_response(GtkWidget *widget, gint response,
-                                 gpointer data)
-{
-       struct gui *ui = &main_ui;
-
-       if (response == GTK_RESPONSE_OK) {
-               gtk_widget_destroy(widget);
-               ui->error_info_bar = NULL;
-       }
-}
-
-static void report_error(GError *error)
-{
-       struct gui *ui = &main_ui;
-
-       if (ui->error_info_bar == NULL) {
-               ui->error_info_bar = gtk_info_bar_new_with_buttons(GTK_STOCK_OK,
-                                                              GTK_RESPONSE_OK,
-                                                              NULL);
-               g_signal_connect(ui->error_info_bar, "response", G_CALLBACK(on_info_bar_response), NULL);
-               gtk_info_bar_set_message_type(GTK_INFO_BAR(ui->error_info_bar),
-                                             GTK_MESSAGE_ERROR);
-               
-               ui->error_label = gtk_label_new(error->message);
-               GtkWidget *container = gtk_info_bar_get_content_area(GTK_INFO_BAR(ui->error_info_bar));
-               gtk_container_add(GTK_CONTAINER(container), ui->error_label);
-               
-               gtk_box_pack_start(GTK_BOX(ui->vbox), ui->error_info_bar, FALSE, FALSE, 0);
-               gtk_widget_show_all(ui->vbox);
-       } else {
-               char buffer[256];
-               snprintf(buffer, sizeof(buffer), "Failed to open file.");
-               gtk_label_set(GTK_LABEL(ui->error_label), buffer);
-       }
-}
-
 struct connection_widgets
 {
        GtkWidget *hentry;
@@ -1973,15 +1882,18 @@ static void hostname_cb(GtkEntry *entry, gpointer data)
        }
 }
 
-static int get_connection_details(char **host, int *port, int *type,
-                                 int *server_start)
+static int get_connection_details(struct gui_entry *ge)
 {
        GtkWidget *dialog, *box, *vbox, *hbox, *frame, *pentry;
        struct connection_widgets cw;
+       struct gui *ui = ge->ui;
        char *typeentry;
 
+       if (ge->host)
+               return 0;
+
        dialog = gtk_dialog_new_with_buttons("Connection details",
-                       GTK_WINDOW(main_ui.window),
+                       GTK_WINDOW(ui->window),
                        GTK_DIALOG_DESTROY_WITH_PARENT,
                        GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
                        GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL);
@@ -2051,24 +1963,30 @@ static int get_connection_details(char **host, int *port, int *type,
                return 1;
        }
 
-       *host = strdup(gtk_entry_get_text(GTK_ENTRY(cw.hentry)));
-       *port = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(pentry));
+       ge->host = strdup(gtk_entry_get_text(GTK_ENTRY(cw.hentry)));
+       ge->port = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(pentry));
 
        typeentry = gtk_combo_box_get_active_text(GTK_COMBO_BOX(cw.combo));
        if (!typeentry || !strncmp(typeentry, "IPv4", 4))
-               *type = Fio_client_ipv4;
+               ge->type = Fio_client_ipv4;
        else if (!strncmp(typeentry, "IPv6", 4))
-               *type = Fio_client_ipv6;
+               ge->type = Fio_client_ipv6;
        else
-               *type = Fio_client_socket;
+               ge->type = Fio_client_socket;
        g_free(typeentry);
 
-       *server_start = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(cw.button));
+       ge->server_start = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(cw.button));
 
        gtk_widget_destroy(dialog);
        return 0;
 }
 
+static void gfio_set_client(struct gfio_client *gc, struct fio_client *client)
+{
+       gc->client = fio_get_client(client);
+       client->client_data = gc;
+}
+
 static void gfio_client_added(struct gui_entry *ge, struct fio_client *client)
 {
        struct gfio_client *gc;
@@ -2077,11 +1995,119 @@ static void gfio_client_added(struct gui_entry *ge, struct fio_client *client)
        memset(gc, 0, sizeof(*gc));
        options_default_fill(&gc->o);
        gc->ge = ge;
-       gc->client = fio_get_client(client);
-
        ge->client = gc;
+       gfio_set_client(gc, client);
+}
 
-       client->client_data = gc;
+static void gfio_report_error(struct gui_entry *ge, const char *format, ...)
+{
+       va_list args;
+       GError *error;
+
+       va_start(args, format);
+       error = g_error_new_valist(g_quark_from_string("fio"), 1, format, args);
+       va_end(args);
+
+       report_error(ge, error);
+       g_error_free(error);
+}
+
+static void connect_clicked(GtkWidget *widget, gpointer data)
+{
+       struct gui_entry *ge = data;
+       struct gfio_client *gc = ge->client;
+
+       if (ge->state == GE_STATE_NEW) {
+               int ret;
+
+               if (!ge->job_file)
+                       file_open(widget, ge->ui);
+               if (!ge->job_file)
+                       return;
+
+               gc = ge->client;
+
+               if (!gc->client) {
+                       struct fio_client *client;
+
+                       if (get_connection_details(ge)) {
+                               gfio_report_error(ge, "Failed to get connection details\n");
+                               return;
+                       }
+
+                       client = fio_client_add_explicit(&gfio_client_ops, ge->host, ge->type, ge->port);
+                       if (!client) {
+                               gfio_report_error(ge, "Failed to add client %s\n", ge->host);
+                               free(ge->host);
+                               ge->host = NULL;
+                               return;
+                       }
+                       gfio_set_client(gc, client);
+               }
+
+               gtk_progress_bar_set_text(GTK_PROGRESS_BAR(ge->thread_status_pb), "No jobs running");
+               gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(ge->thread_status_pb), 0.0);
+               ret = fio_client_connect(gc->client);
+               if (!ret) {
+                       if (!ge->ui->handler_running)
+                               pthread_create(&ge->ui->t, NULL, job_thread, ge->ui);
+                       gfio_set_state(ge, GE_STATE_CONNECTED);
+               } else {
+                       GError *error;
+
+                       error = g_error_new(g_quark_from_string("fio"), 1, "Failed to connect to %s: %s\n", ge->client->client->hostname, strerror(-ret));
+                       report_error(ge, error);
+                       g_error_free(error);
+               }
+       } else {
+               fio_client_terminate(gc->client);
+               gfio_set_state(ge, GE_STATE_NEW);
+               clear_ge_ui_info(ge);
+       }
+}
+
+static void send_clicked(GtkWidget *widget, gpointer data)
+{
+       struct gui_entry *ge = data;
+
+       if (send_job_file(ge))
+               gtk_widget_set_sensitive(ge->button[GFIO_BUTTON_START], 1);
+}
+
+static void on_info_bar_response(GtkWidget *widget, gint response,
+                                 gpointer data)
+{
+       struct gui *ui = (struct gui *) data;
+
+       if (response == GTK_RESPONSE_OK) {
+               gtk_widget_destroy(widget);
+               ui->error_info_bar = NULL;
+       }
+}
+
+static void report_error(struct gui_entry *ge, GError *error)
+{
+       struct gui *ui = ge->ui;
+
+       if (ui->error_info_bar == NULL) {
+               ui->error_info_bar = gtk_info_bar_new_with_buttons(GTK_STOCK_OK,
+                                                              GTK_RESPONSE_OK,
+                                                              NULL);
+               g_signal_connect(ui->error_info_bar, "response", G_CALLBACK(on_info_bar_response), ui);
+               gtk_info_bar_set_message_type(GTK_INFO_BAR(ui->error_info_bar),
+                                             GTK_MESSAGE_ERROR);
+               
+               ui->error_label = gtk_label_new(error->message);
+               GtkWidget *container = gtk_info_bar_get_content_area(GTK_INFO_BAR(ui->error_info_bar));
+               gtk_container_add(GTK_CONTAINER(container), ui->error_label);
+               
+               gtk_box_pack_start(GTK_BOX(ui->vbox), ui->error_info_bar, FALSE, FALSE, 0);
+               gtk_widget_show_all(ui->vbox);
+       } else {
+               char buffer[256];
+               snprintf(buffer, sizeof(buffer), "Failed to open file.");
+               gtk_label_set(GTK_LABEL(ui->error_label), buffer);
+       }
 }
 
 static GtkWidget *new_client_page(struct gui_entry *ge);
@@ -2099,19 +2125,19 @@ static struct gui_entry *alloc_new_gui_entry(struct gui *ui)
        return ge;
 }
 
-static struct gui_entry *get_new_ge_with_tab(const char *name)
+static struct gui_entry *get_new_ge_with_tab(struct gui *ui, const char *name)
 {
        struct gui_entry *ge;
 
-       ge = alloc_new_gui_entry(&main_ui);
+       ge = alloc_new_gui_entry(ui);
 
        ge->vbox = new_client_page(ge);
        g_signal_connect(ge->vbox, "destroy", G_CALLBACK(ge_widget_destroy), ge);
 
        ge->page_label = gtk_label_new(name);
-       ge->page_num = gtk_notebook_append_page(GTK_NOTEBOOK(main_ui.notebook), ge->vbox, ge->page_label);
+       ge->page_num = gtk_notebook_append_page(GTK_NOTEBOOK(ui->notebook), ge->vbox, ge->page_label);
 
-       gtk_widget_show_all(main_ui.window);
+       gtk_widget_show_all(ui->window);
        return ge;
 }
 
@@ -2120,7 +2146,7 @@ static void file_new(GtkWidget *w, gpointer data)
        struct gui *ui = (struct gui *) data;
        struct gui_entry *ge;
 
-       ge = get_new_ge_with_tab("Untitled");
+       ge = get_new_ge_with_tab(ui, "Untitled");
        gtk_notebook_set_current_page(GTK_NOTEBOOK(ui->notebook), ge->page_num);
 }
 
@@ -2137,7 +2163,7 @@ static struct gui_entry *get_ge_from_page(struct gui *ui, gint cur_page,
        if (!cur_page) {
                if (created)
                        *created = 1;
-               return get_new_ge_with_tab("Untitled");
+               return get_new_ge_with_tab(ui, "Untitled");
        }
 
        if (created)
@@ -2211,40 +2237,34 @@ static gchar *get_filename_from_uri(const gchar *uri)
        return strdup(uri + 7);
 }
 
-static int do_file_open(struct gui_entry *ge, const gchar *uri, char *host,
-                       int type, int port)
+static int do_file_open(struct gui_entry *ge, const gchar *uri)
 {
        struct fio_client *client;
-       gchar *filename;
-
-       filename = get_filename_from_uri(uri);
+       GError *error;
 
-       ge->job_files = realloc(ge->job_files, (ge->nr_job_files + 1) * sizeof(char *));
-       ge->job_files[ge->nr_job_files] = strdup(filename);
-       ge->nr_job_files++;
+       assert(!ge->job_file);
 
-       client = fio_client_add_explicit(&gfio_client_ops, host, type, port);
-       if (!client) {
-               GError *error;
+       ge->job_file = get_filename_from_uri(uri);
 
-               error = g_error_new(g_quark_from_string("fio"), 1,
-                               "Failed to add client %s", host);
-               report_error(error);
-               g_error_free(error);
-               return 1;
+       client = fio_client_add_explicit(&gfio_client_ops, ge->host, ge->type, ge->port);
+       if (client) {
+               gfio_client_added(ge, client);
+               file_add_recent(ge->ui, uri);
+               return 0;
        }
 
-       gfio_client_added(ge, client);
-       file_add_recent(ge->ui, uri);
-       return 0;
+       error = g_error_new(g_quark_from_string("fio"), 1, "Failed to add client %s", ge->host);
+       free(ge->host);
+       ge->host = NULL;
+       report_error(ge, error);
+       g_error_free(error);
+       return 1;
 }
 
 static int do_file_open_with_tab(struct gui *ui, const gchar *uri)
 {
-       int port, type, server_start;
        struct gui_entry *ge;
        gint cur_page;
-       char *host;
        int ret, ge_is_new = 0;
 
        /*
@@ -2254,25 +2274,23 @@ static int do_file_open_with_tab(struct gui *ui, const gchar *uri)
        cur_page = gtk_notebook_get_current_page(GTK_NOTEBOOK(ui->notebook));
        ge = get_ge_from_page(ui, cur_page, &ge_is_new);
        if (ge->client) {
-               ge = get_new_ge_with_tab("Untitled");
+               ge = get_new_ge_with_tab(ui, "Untitled");
                ge_is_new = 1;
        }
 
        gtk_notebook_set_current_page(GTK_NOTEBOOK(ui->notebook), ge->page_num);
 
-       if (get_connection_details(&host, &port, &type, &server_start)) {
+       if (get_connection_details(ge)) {
                if (ge_is_new)
                        gtk_widget_destroy(ge->vbox);
                        
                return 1;
        }
 
-       ret = do_file_open(ge, uri, host, type, port);
-
-       free(host);
+       ret = do_file_open(ge, uri);
 
        if (!ret) {
-               if (server_start)
+               if (ge->server_start)
                        gfio_start_server(ui);
        } else {
                if (ge_is_new)
@@ -2298,8 +2316,8 @@ static void file_open(GtkWidget *w, gpointer data)
 {
        struct gui *ui = data;
        GtkWidget *dialog;
-       GSList *filenames, *fn_glist;
        GtkFileFilter *filter;
+       gchar *filename;
 
        dialog = gtk_file_chooser_dialog_new("Open File",
                GTK_WINDOW(ui->window),
@@ -2307,7 +2325,7 @@ static void file_open(GtkWidget *w, gpointer data)
                GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
                NULL);
-       gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog), TRUE);
+       gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog), FALSE);
 
        filter = gtk_file_filter_new();
        gtk_file_filter_add_pattern(filter, "*.fio");
@@ -2322,18 +2340,12 @@ static void file_open(GtkWidget *w, gpointer data)
                return;
        }
 
-       fn_glist = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
+       filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
 
        gtk_widget_destroy(dialog);
 
-       filenames = fn_glist;
-       while (filenames != NULL) {
-               if (do_file_open_with_tab(ui, filenames->data))
-                       break;
-               filenames = g_slist_next(filenames);
-       }
-
-       g_slist_free(fn_glist);
+       do_file_open_with_tab(ui, filename);
+       g_free(filename);
 }
 
 static void file_save(GtkWidget *w, gpointer data)
@@ -3005,7 +3017,6 @@ static void drag_and_drop_received(GtkWidget *widget, GdkDragContext *ctx,
        struct gui *ui = (struct gui *) data;
        gchar **uris;
        GtkWidget *source;
-       int i;
 
        source = gtk_drag_get_source_widget(ctx);
        if (source && widget == gtk_widget_get_toplevel(source)) {
@@ -3019,12 +3030,8 @@ static void drag_and_drop_received(GtkWidget *widget, GdkDragContext *ctx,
                return;
        }
 
-       i = 0;
-       while (uris[i]) {
-               if (do_file_open_with_tab(ui, uris[i]))
-                       break;
-               i++;
-       }
+       if (uris[0])
+               do_file_open_with_tab(ui, uris[0]);
 
        gtk_drag_finish(ctx, TRUE, FALSE, time);
        g_strfreev(uris);
@@ -3073,7 +3080,7 @@ static void init_ui(int *argc, char **argv[], struct gui *ui)
        gtk_container_add(GTK_CONTAINER(ui->vbox), ui->notebook);
 
        vbox = new_main_page(ui);
-       gtk_drag_dest_set(GTK_WIDGET(ui->window), GTK_DEST_DEFAULT_ALL, NULL, 0, GDK_ACTION_COPY);
+       gtk_drag_dest_set(GTK_WIDGET(ui->window), GTK_DEST_DEFAULT_ALL, NULL, 1, GDK_ACTION_COPY);
        gtk_drag_dest_add_uri_targets(GTK_WIDGET(ui->window));
        g_signal_connect(ui->window, "drag-data-received", G_CALLBACK(drag_and_drop_received), ui);