Start of support for auto-starting the backend
[fio.git] / gfio.c
diff --git a/gfio.c b/gfio.c
index 848e511a8157c975355d36e5a2580fe701e116f4..e92ab03146277e3de7e04aa1365a586d471dff53 100644 (file)
--- a/gfio.c
+++ b/gfio.c
@@ -59,6 +59,10 @@ struct probe_widget {
 };
 
 struct eta_widget {
+       GtkWidget *name;
+       GtkWidget *iotype;
+       GtkWidget *ioengine;
+       GtkWidget *iodepth;
        GtkWidget *jobs;
        GtkWidget *files;
        GtkWidget *read_bw;
@@ -80,12 +84,6 @@ struct gui {
        GtkWidget *thread_status_pb;
        GtkWidget *buttonbox;
        GtkWidget *button[ARRAYSIZE(buttonspeclist)];
-       GtkWidget *hostname_hbox;
-       GtkWidget *hostname_label;
-       GtkWidget *hostname_entry;
-       GtkWidget *port_button;
-       GtkWidget *port_label;
-       GtkWidget *hostname_combo_box; /* ipv4, ipv6 or socket */
        GtkWidget *scrolled_window;
        GtkWidget *textview;
        GtkWidget *error_info_bar;
@@ -101,6 +99,24 @@ struct gui {
        char **job_files;
 } ui;
 
+static void clear_ui_info(struct gui *ui)
+{
+       gtk_label_set_text(GTK_LABEL(ui->probe.hostname), "");
+       gtk_label_set_text(GTK_LABEL(ui->probe.os), "");
+       gtk_label_set_text(GTK_LABEL(ui->probe.arch), "");
+       gtk_label_set_text(GTK_LABEL(ui->probe.fio_ver), "");
+       gtk_label_set_text(GTK_LABEL(ui->eta.name), "");
+       gtk_label_set_text(GTK_LABEL(ui->eta.iotype), "");
+       gtk_label_set_text(GTK_LABEL(ui->eta.ioengine), "");
+       gtk_label_set_text(GTK_LABEL(ui->eta.iodepth), "");
+       gtk_label_set_text(GTK_LABEL(ui->eta.jobs), "");
+       gtk_label_set_text(GTK_LABEL(ui->eta.files), "");
+       gtk_label_set_text(GTK_LABEL(ui->eta.read_bw), "");
+       gtk_label_set_text(GTK_LABEL(ui->eta.read_iops), "");
+       gtk_label_set_text(GTK_LABEL(ui->eta.write_bw), "");
+       gtk_label_set_text(GTK_LABEL(ui->eta.write_iops), "");
+}
+
 static void gfio_set_connected(struct gui *ui, int connected)
 {
        if (connected) {
@@ -111,12 +127,14 @@ static void gfio_set_connected(struct gui *ui, int connected)
                ui->connected = 0;
                gtk_button_set_label(GTK_BUTTON(ui->button[CONNECT_BUTTON]), "Connect");
                gtk_widget_set_sensitive(ui->button[START_JOB_BUTTON], 0);
+               clear_ui_info(ui);
        }
 }
 
 static void gfio_text_op(struct fio_client *client,
                 FILE *f, __u16 pdu_len, const char *buf)
 {
+#if 0
        GtkTextBuffer *buffer;
        GtkTextIter end;
 
@@ -127,6 +145,9 @@ static void gfio_text_op(struct fio_client *client,
        gdk_threads_leave();
        gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(ui.textview),
                                        &end, 0.0, FALSE, 0.0,0.0);
+#else
+       fio_client_ops.text_op(client, f, pdu_len, buf);
+#endif
 }
 
 static void gfio_disk_util_op(struct fio_client *client, struct fio_net_cmd *cmd)
@@ -182,7 +203,7 @@ static void gfio_update_eta(struct jobs_eta *je)
                free(mr);
        } else if (je->m_iops || je->t_iops)
                p += sprintf(p, ", CR=%d/%d IOPS", je->t_iops, je->m_iops);
-#else
+
        gtk_label_set_text(GTK_LABEL(ui.eta.cr_bw), "---");
        gtk_label_set_text(GTK_LABEL(ui.eta.cr_iops), "---");
        gtk_label_set_text(GTK_LABEL(ui.eta.cw_bw), "---");
@@ -286,6 +307,61 @@ static void gfio_quit_op(struct fio_client *client)
        gfio_set_connected(ui, 0);
 }
 
+static void gfio_add_job_op(struct fio_client *client, struct fio_net_cmd *cmd)
+{
+       struct cmd_add_job_pdu *p = (struct cmd_add_job_pdu *) cmd->payload;
+       struct gui *ui = client->client_data;
+       char tmp[8];
+       int i;
+
+       p->iodepth              = le32_to_cpu(p->iodepth);
+       p->rw                   = le32_to_cpu(p->rw);
+
+       for (i = 0; i < 2; i++) {
+               p->min_bs[i]    = le32_to_cpu(p->min_bs[i]);
+               p->max_bs[i]    = le32_to_cpu(p->max_bs[i]);
+       }
+
+       p->numjobs              = le32_to_cpu(p->numjobs);
+       p->group_reporting      = le32_to_cpu(p->group_reporting);
+
+       gtk_label_set_text(GTK_LABEL(ui->eta.name), (gchar *) p->jobname);
+       gtk_label_set_text(GTK_LABEL(ui->eta.iotype), ddir_str(p->rw));
+       gtk_label_set_text(GTK_LABEL(ui->eta.ioengine), (gchar *) p->ioengine);
+
+       sprintf(tmp, "%u", p->iodepth);
+       gtk_label_set_text(GTK_LABEL(ui->eta.iodepth), tmp);
+}
+
+static void gfio_client_timed_out(struct fio_client *client)
+{
+       struct gui *ui = client->client_data;
+       GtkWidget *dialog, *label, *content;
+       char buf[256];
+
+       gdk_threads_enter();
+
+       gfio_set_connected(ui, 0);
+
+       sprintf(buf, "Client %s: timeout talking to server.\n", client->hostname);
+
+       dialog = gtk_dialog_new_with_buttons("Timed out!",
+                       GTK_WINDOW(ui->window),
+                       GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
+                       GTK_STOCK_OK, GTK_RESPONSE_OK, NULL);
+
+       content = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
+       label = gtk_label_new((const gchar *) buf);
+       gtk_container_add(GTK_CONTAINER(content), label);
+       gtk_widget_show_all(dialog);
+       gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);
+
+       gtk_dialog_run(GTK_DIALOG(dialog));
+       gtk_widget_destroy(dialog);
+
+       gdk_threads_leave();
+}
+
 struct client_ops gfio_client_ops = {
        .text_op                = gfio_text_op,
        .disk_util              = gfio_disk_util_op,
@@ -294,6 +370,8 @@ struct client_ops gfio_client_ops = {
        .eta                    = gfio_eta_op,
        .probe                  = gfio_probe_op,
        .quit                   = gfio_quit_op,
+       .add_job                = gfio_add_job_op,
+       .timed_out              = gfio_client_timed_out,
        .stay_connected         = 1,
 };
 
@@ -305,9 +383,7 @@ static void quit_clicked(__attribute__((unused)) GtkWidget *widget,
 
 static void *job_thread(void *arg)
 {
-       printf("job thread starts\n");
        fio_handle_clients(&gfio_client_ops);
-       printf("job thread exits\n");
        return NULL;
 }
 
@@ -341,6 +417,35 @@ static void start_job_thread(struct gui *ui)
        }
 }
 
+static GtkWidget *new_info_label_in_frame(GtkWidget *box, const char *label)
+{
+       GtkWidget *label_widget;
+       GtkWidget *frame;
+
+       frame = gtk_frame_new(label);
+       label_widget = gtk_label_new(NULL);
+       gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 3);
+       gtk_container_add(GTK_CONTAINER(frame), label_widget);
+
+       return label_widget;
+}
+
+static GtkWidget *create_spinbutton(GtkWidget *hbox, double min, double max, double defval)
+{
+       GtkWidget *button, *box;
+
+       box = gtk_hbox_new(FALSE, 3);
+       gtk_container_add(GTK_CONTAINER(hbox), box);
+
+       button = gtk_spin_button_new_with_range(min, max, 1.0);
+       gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
+
+       gtk_spin_button_set_update_policy(GTK_SPIN_BUTTON(button), GTK_UPDATE_IF_VALID);
+       gtk_spin_button_set_value(GTK_SPIN_BUTTON(button), defval);
+
+       return button;
+}
+
 static void start_job_clicked(__attribute__((unused)) GtkWidget *widget,
                 gpointer data)
 {
@@ -350,17 +455,23 @@ static void start_job_clicked(__attribute__((unused)) GtkWidget *widget,
        start_job_thread(ui);
 }
 
-static void connect_clicked(__attribute__((unused)) GtkWidget *widget,
-                gpointer data)
+static void file_open(GtkWidget *w, gpointer data);
+
+static void connect_clicked(GtkWidget *widget, gpointer data)
 {
        struct gui *ui = data;
 
        if (!ui->connected) {
+               if (!ui->nr_job_files)
+                       file_open(widget, data);
+               gtk_progress_bar_set_text(GTK_PROGRESS_BAR(ui->thread_status_pb), "No jobs running");
                fio_clients_connect();
                pthread_create(&ui->t, NULL, job_thread, NULL);
                gfio_set_connected(ui, 1);
-       } else
+       } else {
+               fio_clients_terminate();
                gfio_set_connected(ui, 0);
+       }
 }
 
 static void add_button(struct gui *ui, int i, GtkWidget *buttonbox,
@@ -392,7 +503,7 @@ static void on_info_bar_response(GtkWidget *widget, gint response,
        }
 }
 
-void report_error(GErrorerror)
+void report_error(GError *error)
 {
        if (ui.error_info_bar == NULL) {
                ui.error_info_bar = gtk_info_bar_new_with_buttons(GTK_STOCK_OK,
@@ -415,11 +526,102 @@ void report_error(GError* error)
        }
 }
 
+static int get_connection_details(char **host, int *port, int *type,
+                                 int *server_start)
+{
+       GtkWidget *dialog, *box, *vbox, *hentry, *hbox, *frame, *pentry, *combo;
+       GtkWidget *button;
+       char *typeentry;
+
+       dialog = gtk_dialog_new_with_buttons("Connection details",
+                       GTK_WINDOW(ui.window),
+                       GTK_DIALOG_DESTROY_WITH_PARENT,
+                       GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
+                       GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL);
+
+       frame = gtk_frame_new("Hostname / socket name");
+       vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
+       gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
+
+       box = gtk_vbox_new(FALSE, 6);
+       gtk_container_add(GTK_CONTAINER(frame), box);
+
+       hbox = gtk_hbox_new(TRUE, 10);
+       gtk_box_pack_start(GTK_BOX(box), hbox, FALSE, FALSE, 0);
+       hentry = gtk_entry_new();
+       gtk_entry_set_text(GTK_ENTRY(hentry), "localhost");
+       gtk_box_pack_start(GTK_BOX(hbox), hentry, TRUE, TRUE, 0);
+
+       frame = gtk_frame_new("Port");
+       gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
+       box = gtk_vbox_new(FALSE, 10);
+       gtk_container_add(GTK_CONTAINER(frame), box);
+
+       hbox = gtk_hbox_new(TRUE, 4);
+       gtk_box_pack_start(GTK_BOX(box), hbox, FALSE, FALSE, 0);
+       pentry = create_spinbutton(hbox, 1, 65535, FIO_NET_PORT);
+
+       frame = gtk_frame_new("Type");
+       gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
+       box = gtk_vbox_new(FALSE, 10);
+       gtk_container_add(GTK_CONTAINER(frame), box);
+
+       hbox = gtk_hbox_new(TRUE, 4);
+       gtk_box_pack_start(GTK_BOX(box), hbox, FALSE, FALSE, 0);
+
+       combo = gtk_combo_box_text_new();
+       gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), "IPv4");
+       gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), "IPv6");
+       gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), "local socket");
+       gtk_combo_box_set_active(GTK_COMBO_BOX(combo), 0);
+
+       gtk_container_add(GTK_CONTAINER(hbox), combo);
+
+       frame = gtk_frame_new("Options");
+       gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
+       box = gtk_vbox_new(FALSE, 10);
+       gtk_container_add(GTK_CONTAINER(frame), box);
+
+       hbox = gtk_hbox_new(TRUE, 4);
+       gtk_box_pack_start(GTK_BOX(box), hbox, FALSE, FALSE, 0);
+
+       button = gtk_check_button_new_with_label("Auto-spawn fio backend");
+       gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), 1);
+       gtk_widget_set_tooltip_text(button, "When running fio locally, it is necessary to have the backend running on the same system. If this is checked, gfio will start the backend automatically for you if it isn't already running.");
+       gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 6);
+
+       gtk_widget_show_all(dialog);
+
+       if (gtk_dialog_run(GTK_DIALOG(dialog)) != GTK_RESPONSE_ACCEPT) {
+               gtk_widget_destroy(dialog);
+               return 1;
+       }
+
+       *host = strdup(gtk_entry_get_text(GTK_ENTRY(hentry)));
+       *port = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(pentry));
+
+       typeentry = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(combo));
+       if (!typeentry || !strncmp(typeentry, "IPv4", 4))
+               *type = Fio_client_ipv4;
+       else if (!strncmp(typeentry, "IPv6", 4))
+               *type = Fio_client_ipv6;
+       else
+               *type = Fio_client_socket;
+       g_free(typeentry);
+
+       *server_start = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
+
+       gtk_widget_destroy(dialog);
+       return 0;
+}
+
 static void file_open(GtkWidget *w, gpointer data)
 {
        GtkWidget *dialog;
        GSList *filenames, *fn_glist;
        GtkFileFilter *filter;
+       char *host;
+       int port, type, server_start;
 
        dialog = gtk_file_chooser_dialog_new("Open File",
                GTK_WINDOW(ui.window),
@@ -442,43 +644,35 @@ static void file_open(GtkWidget *w, gpointer data)
        }
 
        fn_glist = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
+
+       gtk_widget_destroy(dialog);
+
+       if (get_connection_details(&host, &port, &type, &server_start))
+               goto err;
+
        filenames = fn_glist;
        while (filenames != NULL) {
-               const char *hostname;
-               char *typeentry;
-               gint port;
-               int type;
-
                ui.job_files = realloc(ui.job_files, (ui.nr_job_files + 1) * sizeof(char *));
                ui.job_files[ui.nr_job_files] = strdup(filenames->data);
                ui.nr_job_files++;
 
-               hostname = gtk_entry_get_text(GTK_ENTRY(ui.hostname_entry));
-               port = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(ui.port_button));
-               typeentry = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(ui.hostname_combo_box));
-               if (!typeentry || !strncmp(typeentry, "IPv4", 4))
-                       type = Fio_client_ipv4;
-               else if (!strncmp(typeentry, "IPv6", 4))
-                       type = Fio_client_ipv6;
-               else
-                       type = Fio_client_socket;
-               g_free(typeentry);
-
-               ui.client = fio_client_add_explicit(hostname, type, port);
-               ui.client->client_data = &ui;
-#if 0
-               if (error) {
+               ui.client = fio_client_add_explicit(host, type, port);
+               if (!ui.client) {
+                       GError *error;
+
+                       error = g_error_new(g_quark_from_string("fio"), 1,
+                                       "Failed to add client %s", host);
                        report_error(error);
                        g_error_free(error);
-                       error = NULL;
                }
-#endif
+               ui.client->client_data = &ui;
                        
                g_free(filenames->data);
                filenames = g_slist_next(filenames);
        }
+       free(host);
+err:
        g_slist_free(fn_glist);
-       gtk_widget_destroy(dialog);
 }
 
 static void file_save(GtkWidget *w, gpointer data)
@@ -566,53 +760,6 @@ void gfio_ui_setup(GtkSettings *settings, GtkWidget *menubar,
         gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0);
 }
 
-static GtkWidget *new_info_label_in_frame(GtkWidget *box, const char *label)
-{
-       GtkWidget *label_widget;
-       GtkWidget *frame;
-
-       frame = gtk_frame_new(label);
-       label_widget = gtk_label_new(NULL);
-       gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 3);
-       gtk_container_add(GTK_CONTAINER(frame), label_widget);
-
-       return label_widget;
-}
-
-static GtkWidget *create_text_entry(GtkWidget *hbox, GtkWidget *label, const char *defval)
-{
-       GtkWidget *text, *box;
-
-       gtk_container_add(GTK_CONTAINER(hbox), label);
-
-       box = gtk_hbox_new(FALSE, 3);
-       gtk_container_add(GTK_CONTAINER(hbox), box);
-
-       text = gtk_entry_new();
-       gtk_box_pack_start(GTK_BOX(box), text, TRUE, TRUE, 0);
-       gtk_entry_set_text(GTK_ENTRY(text), "localhost");
-
-       return text;
-}
-
-static GtkWidget *create_spinbutton(GtkWidget *hbox, GtkWidget *label, double min, double max, double defval)
-{
-       GtkWidget *button, *box;
-
-       gtk_container_add(GTK_CONTAINER(hbox), label);
-
-       box = gtk_hbox_new(FALSE, 3);
-       gtk_container_add(GTK_CONTAINER(hbox), box);
-
-       button = gtk_spin_button_new_with_range(min, max, 1.0);
-       gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
-
-       gtk_spin_button_set_update_policy(GTK_SPIN_BUTTON(button), GTK_UPDATE_IF_VALID);
-       gtk_spin_button_set_value(GTK_SPIN_BUTTON(button), defval);
-
-       return button;
-}
-
 static void init_ui(int *argc, char **argv[], struct gui *ui)
 {
        GtkSettings *settings;
@@ -625,7 +772,7 @@ static void init_ui(int *argc, char **argv[], struct gui *ui)
         * Without it, the update that happens in gfio_update_thread_status
         * doesn't really happen in a timely fashion, you need expose events
         */
-       if (!g_thread_supported ())
+       if (!g_thread_supported())
                g_thread_init(NULL);
        gdk_threads_init();
 
@@ -657,29 +804,6 @@ static void init_ui(int *argc, char **argv[], struct gui *ui)
        gtk_container_add(GTK_CONTAINER(ui->topalign), ui->topvbox);
        gtk_box_pack_start(GTK_BOX(ui->vbox), ui->topalign, FALSE, FALSE, 0);
 
-       /*
-        * Set up hostname label + entry, port label + entry,
-        */
-       ui->hostname_hbox = gtk_hbox_new(FALSE, 0);
-
-       ui->hostname_label = gtk_label_new("Hostname:");
-       ui->hostname_entry = create_text_entry(ui->hostname_hbox, ui->hostname_label, "localhost");
-
-       ui->port_label = gtk_label_new("Port:");
-       ui->port_button = create_spinbutton(ui->hostname_hbox, ui->port_label, 1, 65535, FIO_NET_PORT);
-
-       /*
-        * Set up combo box for address type
-        */
-       ui->hostname_combo_box = gtk_combo_box_text_new();
-       gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(ui->hostname_combo_box), "IPv4");
-       gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(ui->hostname_combo_box), "IPv6");
-       gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(ui->hostname_combo_box), "local socket");
-       gtk_combo_box_set_active(GTK_COMBO_BOX(ui->hostname_combo_box), 0);
-
-       gtk_container_add(GTK_CONTAINER(ui->hostname_hbox), ui->hostname_combo_box);
-       gtk_container_add(GTK_CONTAINER(ui->topvbox), ui->hostname_hbox);
-
        probe = gtk_frame_new("Job");
        gtk_box_pack_start(GTK_BOX(ui->topvbox), probe, TRUE, FALSE, 3);
        probe_frame = gtk_vbox_new(FALSE, 3);
@@ -694,6 +818,11 @@ static void init_ui(int *argc, char **argv[], struct gui *ui)
 
        probe_box = gtk_hbox_new(FALSE, 3);
        gtk_box_pack_start(GTK_BOX(probe_frame), probe_box, TRUE, FALSE, 3);
+
+       ui->eta.name = new_info_label_in_frame(probe_box, "Name");
+       ui->eta.iotype = new_info_label_in_frame(probe_box, "IO");
+       ui->eta.ioengine = new_info_label_in_frame(probe_box, "IO Engine");
+       ui->eta.iodepth = new_info_label_in_frame(probe_box, "IO Depth");
        ui->eta.jobs = new_info_label_in_frame(probe_box, "Jobs");
        ui->eta.files = new_info_label_in_frame(probe_box, "Open files");
 
@@ -701,15 +830,22 @@ static void init_ui(int *argc, char **argv[], struct gui *ui)
        gtk_box_pack_start(GTK_BOX(probe_frame), probe_box, TRUE, FALSE, 3);
        ui->eta.read_bw = new_info_label_in_frame(probe_box, "Read BW");
        ui->eta.read_iops = new_info_label_in_frame(probe_box, "IOPS");
-       ui->eta.cr_bw = new_info_label_in_frame(probe_box, "Commit BW");
-       ui->eta.cr_iops = new_info_label_in_frame(probe_box, "Commit IOPS");
+       ui->eta.write_bw = new_info_label_in_frame(probe_box, "Write BW");
+       ui->eta.write_iops = new_info_label_in_frame(probe_box, "IOPS");
 
+       /*
+        * Only add this if we have a commit rate
+        */
+#if 0
        probe_box = gtk_hbox_new(FALSE, 3);
        gtk_box_pack_start(GTK_BOX(probe_frame), probe_box, TRUE, FALSE, 3);
-       ui->eta.write_bw = new_info_label_in_frame(probe_box, "Write BW");
-       ui->eta.write_iops = new_info_label_in_frame(probe_box, "IOPS");
+
+       ui->eta.cr_bw = new_info_label_in_frame(probe_box, "Commit BW");
+       ui->eta.cr_iops = new_info_label_in_frame(probe_box, "Commit IOPS");
+
        ui->eta.cw_bw = new_info_label_in_frame(probe_box, "Commit BW");
        ui->eta.cw_iops = new_info_label_in_frame(probe_box, "Commit IOPS");
+#endif
 
        /*
         * Add a text box for text op messages 
@@ -743,7 +879,7 @@ static void init_ui(int *argc, char **argv[], struct gui *ui)
         */
        ui->thread_status_pb = gtk_progress_bar_new();
        gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(ui->thread_status_pb), 0.0);
-       gtk_progress_bar_set_text(GTK_PROGRESS_BAR(ui->thread_status_pb), "No jobs running");
+       gtk_progress_bar_set_text(GTK_PROGRESS_BAR(ui->thread_status_pb), "No connections");
        gtk_container_add(GTK_CONTAINER(ui->buttonbox), ui->thread_status_pb);