2 * Copyright (C) 2009 Sony Computer Entertainment Inc.
3 * Copyright 2009 Sony Corp.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include <sys/ioctl.h>
28 #include "talloc/talloc.h"
29 #include "waiter/waiter.h"
30 #include "ui/common/discover-client.h"
33 static struct cui_opt_data *cod_from_item(struct pmenu_item *item)
39 * cui_abort - Signal the main cui program loop to exit.
41 * Sets cui.abort, which causes the cui_run() routine to return.
44 void cui_abort(struct cui *cui)
46 pb_log("%s: exiting\n", __func__);
51 * cui_resize - Signal the main cui program loop to resize
56 void cui_resize(struct cui *cui)
58 pb_log("%s: resizing\n", __func__);
63 * cui_on_exit - A generic main menu ESC callback.
66 void cui_on_exit(struct pmenu *menu)
68 cui_abort(cui_from_pmenu(menu));
72 * cui_run_cmd - A generic cb to run the supplied command.
75 int cui_run_cmd(struct pmenu_item *item)
78 struct cui *cui = cui_from_item(item);
79 const char *const *cmd_argv = item->data;
81 nc_scr_status_printf(cui->current, "Running %s...", cmd_argv[0]);
85 result = pb_run_cmd(cmd_argv);
88 redrawwin(cui->current->main_ncw);
91 pb_log("%s: failed: '%s'\n", __func__, cmd_argv[0]);
92 nc_scr_status_printf(cui->current, "Failed: %s", cmd_argv[0]);
99 * cui_run_kexec - A generic cb to run kexec.
102 static int cui_run_kexec(struct pmenu_item *item)
105 struct cui *cui = cui_from_item(item);
106 struct cui_opt_data *cod = cod_from_item(item);
108 assert(cui->current == &cui->main->scr);
109 assert(cui->on_kexec);
111 pb_log("%s: %s\n", __func__, cod->name);
112 nc_scr_status_printf(cui->current, "Booting %s...", cod->name);
116 result = cui->on_kexec(cui, cod);
119 redrawwin(cui->current->main_ncw);
123 mvaddstr(1, 0, "system is going down now...");
128 pb_log("%s: failed: %s\n", __func__, cod->kd->image);
129 nc_scr_status_printf(cui->current, "Failed: kexec %s", cod->kd->image);
135 * cui_ked_on_exit - The ked on_exit callback.
138 static void cui_ked_on_exit(struct ked *ked, enum ked_result ked_result,
139 struct pb_kexec_data *kd)
141 struct cui *cui = cui_from_arg(ked->scr.ui_ctx);
143 if (ked_result == ked_update || ked_result == ked_boot) {
144 struct pmenu_item *i = pmenu_find_selected(cui->main);
145 struct cui_opt_data *cod = cod_from_item(i);
150 talloc_free(cod->kd);
153 pb_log("%s: updating opt '%s'\n", __func__, cod->name);
154 pb_log(" image '%s'\n", cod->kd->image);
155 pb_log(" initrd '%s'\n", cod->kd->initrd);
156 pb_log(" args '%s'\n", cod->kd->args);
159 cui_set_current(cui, &cui->main->scr);
163 if (ked_result == ked_boot) {
164 struct pmenu_item *i = pmenu_find_selected(cui->main);
169 int cui_ked_run(struct pmenu_item *item)
171 struct cui *cui = cui_from_item(item);
174 ked = ked_init(cui, cod_from_item(item)->kd, cui_ked_on_exit);
176 cui_set_current(cui, &ked->scr);
182 * cui_set_current - Set the currently active screen and redraw it.
185 struct nc_scr *cui_set_current(struct cui *cui, struct nc_scr *scr)
189 DBGS("%p -> %p\n", cui->current, scr);
191 assert(cui->current != scr);
197 cui->current->post(cui->current);
202 static int cui_process_key(void *arg)
204 struct cui *cui = cui_from_arg(arg);
206 assert(cui->current);
208 ui_timer_disable(&cui->timer);
209 cui->current->process_key(cui->current);
215 * cui_client_process_socket - Process a socket event from the discover server.
218 static int cui_client_process_socket(void *arg)
220 struct discover_client *client = arg;
222 discover_client_process(client);
227 * cui_handle_timeout - Handle the timeout.
230 static void cui_handle_timeout(struct ui_timer *timer)
232 struct cui *cui = cui_from_timer(timer);
233 struct pmenu_item *i = pmenu_find_selected(cui->main);
237 struct cui_opt_data *cod = cod_from_item(i);
238 assert(cod && (cod->opt_hash == cui->default_item));
245 * cui_handle_resize - Handle the term resize.
248 static void cui_handle_resize(struct cui *cui)
252 if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
253 pb_log("%s: ioctl failed: %s\n", __func__, strerror(errno));
257 pb_log("%s: {%u,%u}\n", __func__, ws.ws_row, ws.ws_col);
259 wclear(cui->current->main_ncw);
260 resize_term(ws.ws_row, ws.ws_col);
261 cui->current->resize(cui->current);
263 /* For some reason this makes ncurses redraw the screen */
265 redrawwin(cui->current->main_ncw);
266 wrefresh(cui->current->main_ncw);
270 * cui_on_open - Open new item callback.
273 void cui_on_open(struct pmenu *menu)
275 unsigned int insert_pt;
276 struct pmenu_item *i;
277 struct cui_opt_data *cod;
280 menu->scr.unpost(&menu->scr);
282 /* This disconnects items array from menu. */
284 set_menu_items(menu->ncm, NULL);
286 /* Insert new items at insert_pt. */
288 insert_pt = pmenu_grow(menu, 1);
289 i = pmenu_item_alloc(menu);
291 name = talloc_asprintf(i, "User item %u:", insert_pt);
292 pmenu_item_setup(menu, i, insert_pt, name);
294 i->on_edit = cui_ked_run;
295 i->on_execute = cui_run_kexec;
296 i->data = cod = talloc_zero(i, struct cui_opt_data);
298 cod->kd = talloc_zero(i, struct pb_kexec_data);
301 /* Re-attach the items array. */
303 set_menu_items(menu->ncm, menu->items);
305 set_current_item(menu->ncm, i->nci);
306 menu->scr.post(&menu->scr);
307 pos_menu_cursor(menu->ncm);
313 * cui_device_add - Client device_add callback.
315 * Creates menu_items for all the device boot_options and inserts those
316 * menu_items into the main menu. Redraws the main menu if it is active.
319 static int cui_device_add(struct device *dev, void *arg)
321 struct cui *cui = cui_from_arg(arg);
323 struct boot_option *opt;
324 unsigned int o_count; /* device opts */
325 unsigned int insert_pt;
328 pb_log("%s: %p %s\n", __func__, dev, dev->id);
330 selected = current_item(cui->main->ncm);
332 if (cui->current == &cui->main->scr)
333 cui->current->unpost(cui->current);
335 /* This disconnects items array from menu. */
337 result = set_menu_items(cui->main->ncm, NULL);
340 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
343 list_for_each_entry(&dev->boot_options, opt, list)
346 /* Insert new items at insert_pt. */
348 insert_pt = pmenu_grow(cui->main, o_count);
350 list_for_each_entry(&dev->boot_options, opt, list) {
351 struct pmenu_item *i;
352 struct cui_opt_data *cod;
355 /* Save the item in opt->ui_info for cui_device_remove() */
357 opt->ui_info = i = pmenu_item_alloc(cui->main);
359 name = talloc_asprintf(i, "%s: %s", opt->name,
362 pmenu_item_setup(cui->main, i, insert_pt, name);
364 i->on_edit = cui_ked_run;
365 i->on_execute = cui_run_kexec;
366 i->data = cod = talloc(i, struct cui_opt_data);
370 cod->opt_hash = pb_opt_hash(dev, opt);
371 cod->name = opt->name;
372 cod->kd = talloc(i, struct pb_kexec_data);
374 cod->kd->image = talloc_strdup(cod->kd, opt->boot_image_file);
375 cod->kd->initrd = talloc_strdup(cod->kd, opt->initrd_file);
376 cod->kd->args = talloc_strdup(cod->kd, opt->boot_args);
380 pb_log("%s: adding opt '%s'\n", __func__, cod->name);
381 pb_log(" image '%s'\n", cod->kd->image);
382 pb_log(" initrd '%s'\n", cod->kd->initrd);
383 pb_log(" args '%s'\n", cod->kd->args);
385 /* If this is the default_item select it and start timer. */
387 if (cod->opt_hash == cui->default_item) {
389 ui_timer_kick(&cui->timer);
393 /* Re-attach the items array. */
395 result = set_menu_items(cui->main->ncm, cui->main->items);
398 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
401 pb_log("%s\n", __func__);
402 pmenu_dump_items(cui->main->items,
403 item_count(cui->main->ncm) + 1);
406 /* FIXME: need to make item visible somehow */
407 menu_driver(cui->main->ncm, REQ_SCR_UPAGE);
408 menu_driver(cui->main->ncm, REQ_SCR_DPAGE);
409 set_current_item(cui->main->ncm, selected);
411 if (cui->current == &cui->main->scr)
412 cui->current->post(cui->current);
418 * cui_device_remove - Client device remove callback.
420 * Removes all the menu_items for the device from the main menu and redraws the
421 * main menu if it is active.
424 static void cui_device_remove(struct device *dev, void *arg)
426 struct cui *cui = cui_from_arg(arg);
428 struct boot_option *opt;
430 pb_log("%s: %p %s\n", __func__, dev, dev->id);
432 if (cui->current == &cui->main->scr)
433 cui->current->unpost(cui->current);
435 /* This disconnects items array from menu. */
437 result = set_menu_items(cui->main->ncm, NULL);
440 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
442 list_for_each_entry(&dev->boot_options, opt, list) {
443 struct pmenu_item *i = pmenu_item_from_arg(opt->ui_info);
444 struct cui_opt_data *cod = cod_from_item(i);
446 assert(pb_protocol_device_cmp(dev, cod->dev));
447 pmenu_remove(cui->main, i);
449 /* If this is the default_item disable timer. */
451 if (cod->opt_hash == cui->default_item)
452 ui_timer_disable(&cui->timer);
455 /* Re-attach the items array. */
457 result = set_menu_items(cui->main->ncm, cui->main->items);
460 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
463 pb_log("%s\n", __func__);
464 pmenu_dump_items(cui->main->items,
465 item_count(cui->main->ncm) + 1);
468 if (cui->current == &cui->main->scr)
469 cui->current->post(cui->current);
472 static struct discover_client_ops cui_client_ops = {
473 .device_add = cui_device_add,
474 .device_remove = cui_device_remove,
478 * cui_init - Setup the cui instance.
479 * @platform_info: A value for the struct cui platform_info member.
481 * Returns a pointer to a struct cui on success, or NULL on error.
483 * Allocates the cui instance, sets up the client and stdin waiters, and
484 * sets up the ncurses menu screen.
487 struct cui *cui_init(void* platform_info,
488 int (*on_kexec)(struct cui *, struct cui_opt_data *))
491 struct discover_client *client;
494 cui = talloc_zero(NULL, struct cui);
497 pb_log("%s: alloc cui failed.\n", __func__);
498 fprintf(stderr, "%s: alloc cui failed.\n", __func__);
502 cui->c_sig = pb_cui_sig;
503 cui->platform_info = platform_info;
504 cui->on_kexec = on_kexec;
505 cui->timer.handle_timeout = cui_handle_timeout;
507 /* Loop here for scripts that just started the server. */
509 for (i = 10; i; i--) {
510 client = discover_client_init(&cui_client_ops, cui);
513 pb_log("%s: waiting for server %d\n", __func__, i);
518 pb_log("%s: discover_client_init failed.\n", __func__);
519 fprintf(stderr, "%s: error: discover_client_init failed.\n",
521 fprintf(stderr, "check that pb-discover, "
522 "the petitboot daemon is running.\n");
523 goto fail_client_init;
529 waiter_register(discover_client_get_fd(client), WAIT_IN,
530 cui_client_process_socket, client);
532 waiter_register(STDIN_FILENO, WAIT_IN, cui_process_key, cui);
543 * cui_run - The main cui program loop.
544 * @cui: The cui instance.
545 * @main: The menu to use as the main menu.
547 * Runs the cui engine. Does not return until indicated to do so by some
548 * user action, or an error occurs. Frees the cui object on return.
549 * Returns 0 on success (return to shell), -1 on error (should restart).
552 int cui_run(struct cui *cui, struct pmenu *main, unsigned int default_item)
557 cui->current = &cui->main->scr;
558 cui->default_item = default_item;
560 cui->current->post(cui->current);
563 int result = waiter_poll();
565 if (result < 0 && errno != EINTR) {
566 pb_log("%s: poll: %s\n", __func__, strerror(errno));
573 ui_timer_process_sig(&cui->timer);
575 while (cui->resize) {
577 cui_handle_resize(cui);
583 return cui->abort ? 0 : -1;