gfio.c

   1 /*
   2  * gfio - gui front end for fio - the flexible io tester
   3  *
   4  * Copyright (C) 2012 Stephen M. Cameron <stephenmcameron@gmail.com>
   5  *
   6  * The license below covers all files distributed with fio unless otherwise
   7  * noted in the file itself.
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License version 2 as
  11  *  published by the Free Software Foundation.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  *
  22  */
  23 #include <locale.h>
  24 #include <malloc.h>
  25
  26 #include <glib.h>
  27 #include <gtk/gtk.h>
  28
  29 #include "fio.h"
  30
  31 #define ARRAYSIZE(x) (sizeof((x)) / (sizeof((x)[0])))
  32
  33 typedef void (*clickfunction)(GtkWidget *widget, gpointer data);
  34
  35 static void quit_clicked(GtkWidget *widget, gpointer data);
  36 static void start_job_clicked(GtkWidget *widget, gpointer data);
  37
  38 static struct button_spec {
  39         const char *buttontext;
  40         clickfunction f;
  41         const char *tooltiptext;
  42 } buttonspeclist[] = {
  43 #define START_JOB_BUTTON 0
  44         { "Start Job",
  45                 start_job_clicked,
  46                 "Send current fio job to fio server to be executed" },
  47 };
  48
  49 struct probe_widget {
  50         GtkWidget *hostname;
  51         GtkWidget *os;
  52         GtkWidget *arch;
  53         GtkWidget *fio_ver;
  54 };
  55
  56 struct gui {
  57         GtkWidget *window;
  58         GtkWidget *vbox;
  59         GtkWidget *topvbox;
  60         GtkWidget *topalign;
  61         GtkWidget *bottomalign;
  62         GtkWidget *thread_status_pb;
  63         GtkWidget *buttonbox;
  64         GtkWidget *button[ARRAYSIZE(buttonspeclist)];
  65         GtkWidget *hostname_hbox;
  66         GtkWidget *hostname_label;
  67         GtkWidget *hostname_entry;
  68         GtkWidget *port_label;
  69         GtkWidget *port_entry;
  70         GtkWidget *hostname_combo_box; /* ipv4, ipv6 or socket */
  71         GtkWidget *scrolled_window;
  72         GtkWidget *textview;
  73         GtkWidget *error_info_bar;
  74         GtkWidget *error_label;
  75         GtkTextBuffer *text;
  76         struct probe_widget probe;
  77         pthread_t t;
  78
  79         void *cookie;
  80         int nr_job_files;
  81         char **job_files;
  82 } ui;
  83
  84 static void gfio_text_op(struct fio_client *client,
  85                 FILE *f, __u16 pdu_len, const char *buf)
  86 {
  87         GtkTextBuffer *buffer;
  88         GtkTextIter end;
  89
  90         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(ui.textview));
  91         gdk_threads_enter();
  92         gtk_text_buffer_get_end_iter(buffer, &end);
  93         gtk_text_buffer_insert(buffer, &end, buf, -1);
  94         gdk_threads_leave();
  95         gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(ui.textview),
  96                                         &end, 0.0, FALSE, 0.0,0.0);
  97 }
  98
  99 static void gfio_disk_util_op(struct fio_client *client, struct fio_net_cmd *cmd)
 100 {
 101         printf("gfio_disk_util_op called\n");
 102         fio_client_ops.disk_util(client, cmd);
 103 }
 104
 105 static void gfio_thread_status_op(struct fio_net_cmd *cmd)
 106 {
 107         printf("gfio_thread_status_op called\n");
 108         fio_client_ops.thread_status(cmd);
 109 }
 110
 111 static void gfio_group_stats_op(struct fio_net_cmd *cmd)
 112 {
 113         printf("gfio_group_stats_op called\n");
 114         fio_client_ops.group_stats(cmd);
 115 }
 116
 117 static void gfio_eta_op(struct fio_client *client, struct fio_net_cmd *cmd)
 118 {
 119         fio_client_ops.eta(client, cmd);
 120 }
 121
 122 static void gfio_probe_op(struct fio_client *client, struct fio_net_cmd *cmd)
 123 {
 124         struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload;
 125         const char *os, *arch;
 126         char buf[64];
 127
 128         os = fio_get_os_string(probe->os);
 129         if (!os)
 130                 os = "unknown";
 131
 132         arch = fio_get_arch_string(probe->arch);
 133         if (!arch)
 134                 os = "unknown";
 135
 136         if (!client->name)
 137                 client->name = strdup((char *) probe->hostname);
 138
 139         gtk_label_set_text(GTK_LABEL(ui.probe.hostname), (char *) probe->hostname);
 140         gtk_label_set_text(GTK_LABEL(ui.probe.os), os);
 141         gtk_label_set_text(GTK_LABEL(ui.probe.arch), arch);
 142         sprintf(buf, "%u.%u.%u", probe->fio_major, probe->fio_minor, probe->fio_patch);
 143         gtk_label_set_text(GTK_LABEL(ui.probe.fio_ver), buf);
 144 }
 145
 146 static void gfio_update_thread_status(char *status_message, double perc)
 147 {
 148         static char message[100];
 149         const char *m = message;
 150
 151         strncpy(message, status_message, sizeof(message) - 1);
 152         gtk_progress_bar_set_text(
 153                 GTK_PROGRESS_BAR(ui.thread_status_pb), m);
 154         gtk_progress_bar_set_fraction(
 155                 GTK_PROGRESS_BAR(ui.thread_status_pb), perc / 100.0);
 156         gdk_threads_enter();
 157         gtk_widget_queue_draw(ui.window);
 158         gdk_threads_leave();
 159 }
 160
 161 struct client_ops gfio_client_ops = {
 162         .text_op                = gfio_text_op,
 163         .disk_util              = gfio_disk_util_op,
 164         .thread_status          = gfio_thread_status_op,
 165         .group_stats            = gfio_group_stats_op,
 166         .eta                    = gfio_eta_op,
 167         .probe                  = gfio_probe_op,
 168         .thread_status_display  = gfio_update_thread_status,
 169 };
 170
 171 static void quit_clicked(__attribute__((unused)) GtkWidget *widget,
 172                 __attribute__((unused)) gpointer data)
 173 {
 174         gtk_main_quit();
 175 }
 176
 177 static void *job_thread(void *arg)
 178 {
 179         struct gui *ui = arg;
 180
 181         fio_handle_clients(&gfio_client_ops);
 182         gtk_widget_set_sensitive(ui->button[START_JOB_BUTTON], 1);
 183         return NULL;
 184 }
 185
 186 static int send_job_files(struct gui *ui)
 187 {
 188         int i, ret;
 189
 190         for (i = 0; i < ui->nr_job_files; i++) {
 191                 ret = fio_clients_send_ini(ui->job_files[i]);
 192                 free(ui->job_files[i]);
 193                 ui->job_files[i] = NULL;
 194                 if (ret)
 195                         return ret;
 196         }
 197
 198         return 0;
 199 }
 200
 201 static void start_job_thread(pthread_t *t, struct gui *ui)
 202 {
 203         fio_clients_connect();
 204
 205         if (send_job_files(ui)) {
 206                 printf("Yeah, I didn't really like those options too much.\n");
 207                 gtk_widget_set_sensitive(ui->button[START_JOB_BUTTON], 1);
 208                 return;
 209         }
 210
 211         pthread_create(t, NULL, job_thread, ui);
 212 }
 213
 214 static void start_job_clicked(__attribute__((unused)) GtkWidget *widget,
 215                 gpointer data)
 216 {
 217         struct gui *ui = data;
 218
 219         printf("Start job button was clicked.\n");
 220         gtk_widget_set_sensitive(ui->button[START_JOB_BUTTON], 0);
 221         start_job_thread(&ui->t, ui);
 222 }
 223
 224 static void add_button(struct gui *ui, int i, GtkWidget *buttonbox,
 225                         struct button_spec *buttonspec)
 226 {
 227         ui->button[i] = gtk_button_new_with_label(buttonspec->buttontext);
 228         g_signal_connect(ui->button[i], "clicked", G_CALLBACK (buttonspec->f), ui);
 229         gtk_box_pack_start(GTK_BOX (ui->buttonbox), ui->button[i], TRUE, TRUE, 0);
 230         gtk_widget_set_tooltip_text(ui->button[i], buttonspeclist[i].tooltiptext);
 231 }
 232
 233 static void add_buttons(struct gui *ui,
 234                                 struct button_spec *buttonlist,
 235                                 int nbuttons)
 236 {
 237         int i;
 238
 239         for (i = 0; i < nbuttons; i++)
 240                 add_button(ui, i, ui->buttonbox, &buttonlist[i]);
 241 }
 242
 243 static void on_info_bar_response(GtkWidget *widget, gint response,
 244                                  gpointer data)
 245 {
 246         if (response == GTK_RESPONSE_OK) {
 247                 gtk_widget_destroy(widget);
 248                 ui.error_info_bar = NULL;
 249         }
 250 }
 251
 252 void report_error(GError* error)
 253 {
 254         if (ui.error_info_bar == NULL) {
 255                 ui.error_info_bar = gtk_info_bar_new_with_buttons(GTK_STOCK_OK,
 256                                                                GTK_RESPONSE_OK,
 257                                                                NULL);
 258                 g_signal_connect(ui.error_info_bar, "response", G_CALLBACK(on_info_bar_response), NULL);
 259                 gtk_info_bar_set_message_type(GTK_INFO_BAR(ui.error_info_bar),
 260                                               GTK_MESSAGE_ERROR);
 261
 262                 ui.error_label = gtk_label_new(error->message);
 263                 GtkWidget *container = gtk_info_bar_get_content_area(GTK_INFO_BAR(ui.error_info_bar));
 264                 gtk_container_add(GTK_CONTAINER(container), ui.error_label);
 265
 266                 gtk_box_pack_start(GTK_BOX(ui.vbox), ui.error_info_bar, FALSE, FALSE, 0);
 267                 gtk_widget_show_all(ui.vbox);
 268         } else {
 269                 char buffer[256];
 270                 snprintf(buffer, sizeof(buffer), "Failed to open file.");
 271                 gtk_label_set(GTK_LABEL(ui.error_label), buffer);
 272         }
 273 }
 274
 275 static void file_open(GtkWidget *w, gpointer data)
 276 {
 277         GtkWidget *dialog;
 278         GSList *filenames, *fn_glist;
 279         GtkFileFilter *filter;
 280
 281         dialog = gtk_file_chooser_dialog_new("Open File",
 282                 GTK_WINDOW(ui.window),
 283                 GTK_FILE_CHOOSER_ACTION_OPEN,
 284                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 285                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 286                 NULL);
 287         gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog), TRUE);
 288
 289         filter = gtk_file_filter_new();
 290         gtk_file_filter_add_pattern(filter, "*.fio");
 291         gtk_file_filter_add_pattern(filter, "*.job");
 292         gtk_file_filter_add_mime_type(filter, "text/fio");
 293         gtk_file_filter_set_name(filter, "Fio job file");
 294         gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(dialog), filter);
 295
 296         if (gtk_dialog_run(GTK_DIALOG(dialog)) != GTK_RESPONSE_ACCEPT) {
 297                 gtk_widget_destroy(dialog);
 298                 return;
 299         }
 300
 301         fn_glist = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
 302         filenames = fn_glist;
 303         while (filenames != NULL) {
 304                 const char *hostname;
 305
 306                 ui.job_files = realloc(ui.job_files, (ui.nr_job_files + 1) * sizeof(char *));
 307                 ui.job_files[ui.nr_job_files] = strdup(filenames->data);
 308                 ui.nr_job_files++;
 309
 310                 hostname = gtk_entry_get_text(GTK_ENTRY(ui.hostname_entry));
 311                 fio_client_add(hostname, &ui.cookie);
 312 #if 0
 313                 if (error) {
 314                         report_error(error);
 315                         g_error_free(error);
 316                         error = NULL;
 317                 }
 318 #endif
 319
 320                 g_free(filenames->data);
 321                 filenames = g_slist_next(filenames);
 322         }
 323         g_slist_free(fn_glist);
 324         gtk_widget_destroy(dialog);
 325 }
 326
 327 static void file_save(GtkWidget *w, gpointer data)
 328 {
 329         GtkWidget *dialog;
 330
 331         dialog = gtk_file_chooser_dialog_new("Save File",
 332                 GTK_WINDOW(ui.window),
 333                 GTK_FILE_CHOOSER_ACTION_SAVE,
 334                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 335                 GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 336                 NULL);
 337
 338         gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog), TRUE);
 339         gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), "Untitled document");
 340
 341         if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 342                 char *filename;
 343
 344                 filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
 345                 // save_job_file(filename);
 346                 g_free(filename);
 347         }
 348         gtk_widget_destroy(dialog);
 349 }
 350
 351 static void about_dialog(GtkWidget *w, gpointer data)
 352 {
 353         gtk_show_about_dialog(NULL,
 354                 "program-name", "gfio",
 355                 "comments", "Gtk2 UI for fio",
 356                 "license", "GPLv2",
 357                 "version", fio_version_string,
 358                 "copyright", "Jens Axboe <axboe@kernel.dk> 2012",
 359                 "logo-icon-name", "fio",
 360                 /* Must be last: */
 361                 NULL, NULL,
 362                 NULL);
 363 }
 364
 365 static GtkActionEntry menu_items[] = {
 366         { "FileMenuAction", GTK_STOCK_FILE, "File", NULL, NULL, NULL},
 367         { "HelpMenuAction", GTK_STOCK_HELP, "Help", NULL, NULL, NULL},
 368         { "OpenFile",       GTK_STOCK_OPEN, NULL,   "<Control>O", NULL, G_CALLBACK(file_open) },
 369         { "SaveFile",       GTK_STOCK_SAVE, NULL,   "<Control>S", NULL, G_CALLBACK(file_save) },
 370         { "Quit",           GTK_STOCK_QUIT, NULL,   "<Control>Q", NULL, G_CALLBACK(quit_clicked) },
 371         { "About",          GTK_STOCK_ABOUT, NULL,  NULL, NULL, G_CALLBACK(about_dialog) },
 372 };
 373 static gint nmenu_items = sizeof (menu_items) / sizeof(menu_items[0]);
 374
 375 static const gchar *ui_string = " \
 376         <ui> \
 377                 <menubar name=\"MainMenu\"> \
 378                         <menu name=\"FileMenu\" action=\"FileMenuAction\"> \
 379                                 <menuitem name=\"Open\" action=\"OpenFile\" /> \
 380                                 <menuitem name=\"Save\" action=\"SaveFile\" /> \
 381                                 <separator name=\"Separator\"/> \
 382                                 <menuitem name=\"Quit\" action=\"Quit\" /> \
 383                         </menu> \
 384                         <menu name=\"Help\" action=\"HelpMenuAction\"> \
 385                                 <menuitem name=\"About\" action=\"About\" /> \
 386                         </menu> \
 387                 </menubar> \
 388         </ui> \
 389 ";
 390
 391 static GtkWidget *get_menubar_menu(GtkWidget *window, GtkUIManager *ui_manager)
 392 {
 393         GtkActionGroup *action_group = gtk_action_group_new("Menu");
 394         GError *error = 0;
 395
 396         action_group = gtk_action_group_new("Menu");
 397         gtk_action_group_add_actions(action_group, menu_items, nmenu_items, 0);
 398
 399         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
 400         gtk_ui_manager_add_ui_from_string(GTK_UI_MANAGER(ui_manager), ui_string, -1, &error);
 401
 402         gtk_window_add_accel_group(GTK_WINDOW(window), gtk_ui_manager_get_accel_group(ui_manager));
 403         return gtk_ui_manager_get_widget(ui_manager, "/MainMenu");
 404 }
 405
 406 void gfio_ui_setup(GtkSettings *settings, GtkWidget *menubar,
 407                    GtkWidget *vbox, GtkUIManager *ui_manager)
 408 {
 409         gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0);
 410 }
 411
 412 static GtkWidget *new_info_label_in_frame(GtkWidget *box, const char *label)
 413 {
 414         GtkWidget *label_widget;
 415         GtkWidget *frame;
 416
 417         frame = gtk_frame_new(label);
 418         label_widget = gtk_label_new(NULL);
 419         gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 3);
 420         gtk_container_add(GTK_CONTAINER(frame), label_widget);
 421
 422         return label_widget;
 423 }
 424
 425 static void init_ui(int *argc, char **argv[], struct gui *ui)
 426 {
 427         GList *hostname_type_list = NULL;
 428         char portnum[20];
 429         GtkSettings *settings;
 430         GtkUIManager *uimanager;
 431         GtkWidget *menu, *probe, *probe_frame, *probe_box;
 432
 433         memset(ui, 0, sizeof(*ui));
 434
 435         /* Magical g*thread incantation, you just need this thread stuff.
 436          * Without it, the update that happens in gfio_update_thread_status
 437          * doesn't really happen in a timely fashion, you need expose events
 438          */
 439         if (!g_thread_supported ())
 440                 g_thread_init(NULL);
 441         gdk_threads_init();
 442
 443         gtk_init(argc, argv);
 444         settings = gtk_settings_get_default();
 445         gtk_settings_set_long_property(settings, "gtk_tooltip_timeout", 10, "gfio setting");
 446         g_type_init();
 447
 448         ui->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 449         gtk_window_set_title(GTK_WINDOW(ui->window), "fio");
 450         gtk_window_set_default_size(GTK_WINDOW(ui->window), 700, 500);
 451
 452         g_signal_connect(ui->window, "delete-event", G_CALLBACK(quit_clicked), NULL);
 453         g_signal_connect(ui->window, "destroy", G_CALLBACK(quit_clicked), NULL);
 454
 455         ui->vbox = gtk_vbox_new(FALSE, 0);
 456         gtk_container_add(GTK_CONTAINER (ui->window), ui->vbox);
 457
 458         uimanager = gtk_ui_manager_new();
 459         menu = get_menubar_menu(ui->window, uimanager);
 460         gfio_ui_setup(settings, menu, ui->vbox, uimanager);
 461
 462         /*
 463          * Set up alignments for widgets at the top of ui,
 464          * align top left, expand horizontally but not vertically
 465          */
 466         ui->topalign = gtk_alignment_new(0, 0, 1, 0);
 467         ui->topvbox = gtk_vbox_new(FALSE, 0);
 468         gtk_container_add(GTK_CONTAINER(ui->topalign), ui->topvbox);
 469         gtk_box_pack_start(GTK_BOX(ui->vbox), ui->topalign, FALSE, FALSE, 0);
 470
 471         /*
 472          * Set up hostname label + entry, port label + entry,
 473          */
 474         ui->hostname_hbox = gtk_hbox_new(FALSE, 0);
 475         ui->hostname_label = gtk_label_new("Host:");
 476         ui->hostname_entry = gtk_entry_new();
 477         gtk_entry_set_text(GTK_ENTRY(ui->hostname_entry), "localhost");
 478         ui->port_label = gtk_label_new("Port:");
 479         ui->port_entry = gtk_entry_new();
 480         snprintf(portnum, sizeof(portnum) - 1, "%d", FIO_NET_PORT);
 481         gtk_entry_set_text(GTK_ENTRY(ui->port_entry), (gchar *) portnum);
 482
 483         /*
 484          * Set up combo box for address type
 485          */
 486         ui->hostname_combo_box = gtk_combo_new();
 487         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(ui->hostname_combo_box)->entry), "IPv4");
 488         hostname_type_list = g_list_append(hostname_type_list, (gpointer) "IPv4");
 489         hostname_type_list = g_list_append(hostname_type_list, (gpointer) "local socket");
 490         hostname_type_list = g_list_append(hostname_type_list, (gpointer) "IPv6");
 491         gtk_combo_set_popdown_strings(GTK_COMBO(ui->hostname_combo_box), hostname_type_list);
 492         g_list_free(hostname_type_list);
 493
 494         gtk_container_add(GTK_CONTAINER (ui->hostname_hbox), ui->hostname_label);
 495         gtk_container_add(GTK_CONTAINER (ui->hostname_hbox), ui->hostname_entry);
 496         gtk_container_add(GTK_CONTAINER (ui->hostname_hbox), ui->port_label);
 497         gtk_container_add(GTK_CONTAINER (ui->hostname_hbox), ui->port_entry);
 498         gtk_container_add(GTK_CONTAINER (ui->hostname_hbox), ui->hostname_combo_box);
 499         gtk_container_add(GTK_CONTAINER (ui->topvbox), ui->hostname_hbox);
 500
 501         probe = gtk_frame_new("Host");
 502         gtk_box_pack_start(GTK_BOX(ui->topvbox), probe, TRUE, FALSE, 3);
 503         probe_frame = gtk_vbox_new(FALSE, 3);
 504         gtk_container_add(GTK_CONTAINER(probe), probe_frame);
 505
 506         probe_box = gtk_hbox_new(FALSE, 3);
 507         gtk_box_pack_start(GTK_BOX(probe_frame), probe_box, TRUE, FALSE, 3);
 508
 509         ui->probe.hostname = new_info_label_in_frame(probe_box, "Host");
 510         ui->probe.os = new_info_label_in_frame(probe_box, "OS");
 511         ui->probe.arch = new_info_label_in_frame(probe_box, "Architecture");
 512         ui->probe.fio_ver = new_info_label_in_frame(probe_box, "Fio version");
 513
 514         /*
 515          * Set up thread status progress bar
 516          */
 517         ui->thread_status_pb = gtk_progress_bar_new();
 518         gtk_progress_bar_set_fraction(
 519                 GTK_PROGRESS_BAR(ui->thread_status_pb), 0.0);
 520         gtk_progress_bar_set_text(
 521                 GTK_PROGRESS_BAR(ui->thread_status_pb), "No jobs running");
 522         gtk_container_add(GTK_CONTAINER (ui->topvbox), ui->thread_status_pb);
 523
 524         /*
 525          * Add a text box for text op messages
 526          */
 527         ui->textview = gtk_text_view_new();
 528         ui->text = gtk_text_view_get_buffer(GTK_TEXT_VIEW(ui->textview));
 529         gtk_text_buffer_set_text(ui->text, "", -1);
 530         gtk_text_view_set_editable(GTK_TEXT_VIEW(ui->textview), FALSE);
 531         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(ui->textview), FALSE);
 532         ui->scrolled_window = gtk_scrolled_window_new(NULL, NULL);
 533         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(ui->scrolled_window),
 534                                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 535         gtk_container_add(GTK_CONTAINER(ui->scrolled_window), ui->textview);
 536         gtk_box_pack_start(GTK_BOX(ui->vbox), ui->scrolled_window,
 537                         TRUE, TRUE, 0);
 538
 539         /*
 540          * Set up alignments for widgets at the bottom of ui,
 541          * align bottom left, expand horizontally but not vertically
 542          */
 543         ui->bottomalign = gtk_alignment_new(0, 1, 1, 0);
 544         ui->buttonbox = gtk_hbox_new(FALSE, 0);
 545         gtk_container_add(GTK_CONTAINER(ui->bottomalign), ui->buttonbox);
 546         gtk_box_pack_start(GTK_BOX(ui->vbox), ui->bottomalign,
 547                                         FALSE, FALSE, 0);
 548
 549         add_buttons(ui, buttonspeclist, ARRAYSIZE(buttonspeclist));
 550         gtk_widget_show_all(ui->window);
 551 }
 552
 553 int main(int argc, char *argv[], char *envp[])
 554 {
 555         if (initialize_fio(envp))
 556                 return 1;
 557         if (fio_init_options())
 558                 return 1;
 559
 560         init_ui(&argc, &argv, &ui);
 561
 562         gdk_threads_enter();
 563         gtk_main();
 564         gdk_threads_leave();
 565         return 0;
 566 }