]> git.ozlabs.org Git - petitboot/blobdiff - ui/ncurses/nc-cui.c
ui/ncurses: Add cancel-default reporting
[petitboot] / ui / ncurses / nc-cui.c
index ae3d7c6d9741da102655850700b7b534b894fd94..82e534db817e4f5f8e6252b25bb20fe5731d6658 100644 (file)
@@ -25,6 +25,7 @@
 #include <sys/ioctl.h>
 
 #include "log/log.h"
+#include "pb-protocol/pb-protocol.h"
 #include "talloc/talloc.h"
 #include "waiter/waiter.h"
 #include "ui/common/discover-client.h"
@@ -59,35 +60,6 @@ void cui_resize(struct cui *cui)
        cui->resize = 1;
 }
 
-/**
- * cui_make_item_name - Format the menu item name srting.
- *
- * Returns a talloc string.
- */
-
-static char *cui_make_item_name(struct pmenu_item *i, struct cui_opt_data *cod)
-{
-       char *name;
-
-       assert(cod->name);
-       assert(cod->bd);
-
-       name = talloc_asprintf(i, "%s:", cod->name);
-
-       if (cod->bd->image)
-               name = talloc_asprintf_append(name, " %s", cod->bd->image);
-
-       if (cod->bd->initrd)
-               name = talloc_asprintf_append(name, " initrd=%s",
-                       cod->bd->initrd);
-
-       if (cod->bd->args)
-               name = talloc_asprintf_append(name, " %s", cod->bd->args);
-
-       DBGS("@%s@\n", name);
-       return name;
-}
-
 /**
  * cui_on_exit - A generic main menu ESC callback.
  */
@@ -135,28 +107,27 @@ static int cui_boot(struct pmenu_item *item)
        struct cui_opt_data *cod = cod_from_item(item);
 
        assert(cui->current == &cui->main->scr);
-       assert(cui->on_boot);
 
        pb_log("%s: %s\n", __func__, cod->name);
+       if (!cod->opt) {
+               pb_log("%s: missing opt?\n", __func__);
+               return -1;
+       }
+
        nc_scr_status_printf(cui->current, "Booting %s...", cod->name);
 
        def_prog_mode();
 
-       result = cui->on_boot(cui, cod);
+       result = discover_client_boot(cui->client, NULL, cod->opt, cod->bd);
 
        reset_prog_mode();
        redrawwin(cui->current->main_ncw);
 
-       if (!result) {
-               clear();
-               mvaddstr(1, 0, "system is going down now...");
-               refresh();
-               sleep(cui->dry_run ? 1 : 60);
+       if (result) {
+               nc_scr_status_printf(cui->current,
+                               "Failed: boot %s", cod->bd->image);
        }
 
-       pb_log("%s: failed: %s\n", __func__, cod->bd->image);
-       nc_scr_status_printf(cui->current, "Failed: kexec %s", cod->bd->image);
-
        return 0;
 }
 
@@ -172,7 +143,6 @@ static void cui_boot_editor_on_exit(struct boot_editor *boot_editor, enum boot_e
        if (boot_editor_result == boot_editor_update) {
                struct pmenu_item *i = pmenu_find_selected(cui->main);
                struct cui_opt_data *cod = cod_from_item(i);
-               char *name;
 
                assert(bd);
 
@@ -180,8 +150,7 @@ static void cui_boot_editor_on_exit(struct boot_editor *boot_editor, enum boot_e
                talloc_free(cod->bd);
                cod->bd = bd;
 
-               name = cui_make_item_name(i, cod);
-               pmenu_item_replace(i, name);
+               pmenu_item_replace(i, cod->name);
 
                /* FIXME: need to make item visible somehow */
                set_current_item(cui->main->ncm, i->nci);
@@ -230,6 +199,19 @@ struct nc_scr *cui_set_current(struct cui *cui, struct nc_scr *scr)
        return old;
 }
 
+static bool process_global_keys(struct cui *cui, int key)
+{
+       switch (key) {
+       case 0xc:
+               if (cui->current && cui->current->main_ncw) {
+                       redrawwin(cui->current->main_ncw);
+                       wrefresh(cui->current->main_ncw);
+               }
+               return true;
+       }
+       return false;
+}
+
 /**
  * cui_process_key - Process input on stdin.
  */
@@ -240,8 +222,21 @@ static int cui_process_key(void *arg)
 
        assert(cui->current);
 
-       ui_timer_disable(&cui->timer);
-       cui->current->process_key(cui->current);
+       if (!cui->has_input)
+               discover_client_cancel_default(cui->client);
+       cui->has_input = true;
+
+       for (;;) {
+               int c = getch();
+
+               if (c == ERR)
+                       break;
+
+               if (process_global_keys(cui, c))
+                       continue;
+
+               cui->current->process_key(cui->current, c);
+       }
 
        return 0;
 }
@@ -264,35 +259,6 @@ static int cui_process_js(void *arg)
 
        return 0;
 }
-/**
- * cui_client_process_socket - Process a socket event from the discover server.
- */
-
-static int cui_client_process_socket(void *arg)
-{
-       struct discover_client *client = arg;
-
-       discover_client_process(client);
-       return 0;
-}
-
-/**
- * cui_handle_timeout - Handle the timeout.
- */
-
-static void cui_handle_timeout(struct ui_timer *timer)
-{
-       struct cui *cui = cui_from_timer(timer);
-       struct pmenu_item *i = pmenu_find_selected(cui->main);
-
-#if defined(DEBUG)
-       {
-               struct cui_opt_data *cod = cod_from_item(i);
-               assert(cod && (cod->opt_hash == cui->default_item));
-       }
-#endif
-       i->on_execute(i);
-}
 
 /**
  * cui_handle_resize - Handle the term resize.
@@ -366,16 +332,17 @@ void cui_on_open(struct pmenu *menu)
  * menu_items into the main menu.  Redraws the main menu if it is active.
  */
 
-static int cui_device_add(struct device *dev, void *arg)
+static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
+               void *arg)
 {
        struct cui *cui = cui_from_arg(arg);
-       int result;
-       struct boot_option *opt;
-       unsigned int o_count; /* device opts */
+       struct cui_opt_data *cod;
        unsigned int insert_pt;
+       struct pmenu_item *i;
        ITEM *selected;
+       int result;
 
-       pb_log("%s: %p %s\n", __func__, dev, dev->id);
+       pb_log("%s: %p %s\n", __func__, opt, opt->id);
 
        selected = current_item(cui->main->ncm);
 
@@ -389,57 +356,35 @@ static int cui_device_add(struct device *dev, void *arg)
        if (result)
                pb_log("%s: set_menu_items failed: %d\n", __func__, result);
 
-       o_count = 0;
-       list_for_each_entry(&dev->boot_options, opt, list)
-               o_count++;
-
        /* Insert new items at insert_pt. */
+       insert_pt = pmenu_grow(cui->main, 1);
 
-       insert_pt = pmenu_grow(cui->main, o_count);
-
-       list_for_each_entry(&dev->boot_options, opt, list) {
-               struct pmenu_item *i;
-               struct cui_opt_data *cod;
-               char *name;
-
-               /* Save the item in opt->ui_info for cui_device_remove() */
+       /* Save the item in opt->ui_info for cui_device_remove() */
 
-               opt->ui_info = i = pmenu_item_alloc(cui->main);
+       opt->ui_info = i = pmenu_item_alloc(cui->main);
 
-               i->on_edit = cui_boot_editor_run;
-               i->on_execute = cui_boot;
-               i->data = cod = talloc(i, struct cui_opt_data);
-
-               cod->dev = dev;
-               cod->opt = opt;
-               cod->opt_hash = pb_opt_hash(dev, opt);
-               cod->name = opt->name;
-               cod->bd = talloc(i, struct pb_boot_data);
-
-               cod->bd->image = talloc_strdup(cod->bd, opt->boot_image_file);
-               cod->bd->initrd = talloc_strdup(cod->bd, opt->initrd_file);
-               cod->bd->args = talloc_strdup(cod->bd, opt->boot_args);
+       i->on_edit = cui_boot_editor_run;
+       i->on_execute = cui_boot;
+       i->data = cod = talloc(i, struct cui_opt_data);
 
-               name = cui_make_item_name(i, cod);
-               pmenu_item_setup(cui->main, i, insert_pt, name);
+       cod->opt = opt;
+       cod->dev = dev;
+       cod->opt_hash = pb_opt_hash(dev, opt);
+       cod->name = opt->name;
+       cod->bd = talloc(i, struct pb_boot_data);
 
-               insert_pt++;
+       cod->bd->image = talloc_strdup(cod->bd, opt->boot_image_file);
+       cod->bd->initrd = talloc_strdup(cod->bd, opt->initrd_file);
+       cod->bd->args = talloc_strdup(cod->bd, opt->boot_args);
 
-               pb_log("%s: adding opt '%s'\n", __func__, cod->name);
-               pb_log("   image  '%s'\n", cod->bd->image);
-               pb_log("   initrd '%s'\n", cod->bd->initrd);
-               pb_log("   args   '%s'\n", cod->bd->args);
+       pmenu_item_setup(cui->main, i, insert_pt, cod->name);
 
-               /* If this is the default_item select it and start timer. */
-
-               if (cod->opt_hash == cui->default_item) {
-                       selected = i->nci;
-                       ui_timer_kick(&cui->timer);
-               }
-       }
+       pb_log("%s: adding opt '%s'\n", __func__, cod->name);
+       pb_log("   image  '%s'\n", cod->bd->image);
+       pb_log("   initrd '%s'\n", cod->bd->initrd);
+       pb_log("   args   '%s'\n", cod->bd->args);
 
        /* Re-attach the items array. */
-
        result = set_menu_items(cui->main->ncm, cui->main->items);
 
        if (result)
@@ -493,11 +438,6 @@ static void cui_device_remove(struct device *dev, void *arg)
 
                assert(pb_protocol_device_cmp(dev, cod->dev));
                pmenu_remove(cui->main, i);
-
-               /* If this is the default_item disable timer. */
-
-               if (cod->opt_hash == cui->default_item)
-                       ui_timer_disable(&cui->timer);
        }
 
        /* Re-attach the items array. */
@@ -517,9 +457,22 @@ static void cui_device_remove(struct device *dev, void *arg)
                cui->current->post(cui->current);
 }
 
+static void cui_update_status(struct boot_status *status, void *arg)
+{
+       struct cui *cui = cui_from_arg(arg);
+
+       nc_scr_status_printf(cui->current,
+                       "%s: %s",
+                       status->type == BOOT_STATUS_ERROR ? "Error" : "Info",
+                       status->message);
+
+}
+
 static struct discover_client_ops cui_client_ops = {
-       .device_add = cui_device_add,
+       .device_add = NULL,
+       .boot_option_add = cui_boot_option_add,
        .device_remove = cui_device_remove,
+       .update_status = cui_update_status,
 };
 
 /**
@@ -533,11 +486,9 @@ static struct discover_client_ops cui_client_ops = {
  */
 
 struct cui *cui_init(void* platform_info,
-       int (*on_boot)(struct cui *, struct cui_opt_data *),
-       int (*js_map)(const struct js_event *e), int start_deamon, int dry_run)
+       int (*js_map)(const struct js_event *e), int start_deamon)
 {
        struct cui *cui;
-       struct discover_client *client;
        unsigned int i;
 
        cui = talloc_zero(NULL, struct cui);
@@ -550,23 +501,21 @@ struct cui *cui_init(void* platform_info,
 
        cui->c_sig = pb_cui_sig;
        cui->platform_info = platform_info;
-       cui->on_boot = on_boot;
-       cui->timer.handle_timeout = cui_handle_timeout;
-       cui->dry_run = dry_run;
        cui->waitset = waitset_create(cui);
 
        /* Loop here for scripts that just started the server. */
 
 retry_start:
        for (i = start_deamon ? 2 : 10; i; i--) {
-               client = discover_client_init(&cui_client_ops, cui);
-               if (client || !i)
+               cui->client = discover_client_init(cui->waitset,
+                               &cui_client_ops, cui);
+               if (cui->client || !i)
                        break;
                pb_log("%s: waiting for server %d\n", __func__, i);
                sleep(1);
        }
 
-       if (!client && start_deamon) {
+       if (!cui->client && start_deamon) {
                int result;
 
                start_deamon = 0;
@@ -584,7 +533,7 @@ retry_start:
                goto fail_client_init;
        }
 
-       if (!client) {
+       if (!cui->client) {
                pb_log("%s: discover_client_init failed.\n", __func__);
                fprintf(stderr, "%s: error: discover_client_init failed.\n",
                        __func__);
@@ -596,10 +545,7 @@ retry_start:
        atexit(nc_atexit);
        nc_start();
 
-       waiter_register(cui->waitset, discover_client_get_fd(client), WAIT_IN,
-                       cui_client_process_socket, client);
-
-       waiter_register(cui->waitset, STDIN_FILENO, WAIT_IN,
+       waiter_register_io(cui->waitset, STDIN_FILENO, WAIT_IN,
                        cui_process_key, cui);
 
        if (js_map) {
@@ -607,7 +553,7 @@ retry_start:
                cui->pjs = pjs_init(cui, js_map);
 
                if (cui->pjs)
-                       waiter_register(cui->waitset, pjs_get_fd(cui->pjs),
+                       waiter_register_io(cui->waitset, pjs_get_fd(cui->pjs),
                                        WAIT_IN, cui_process_js, cui);
        }
 
@@ -650,8 +596,6 @@ int cui_run(struct cui *cui, struct pmenu *main, unsigned int default_item)
                if (cui->abort)
                        break;
 
-               ui_timer_process_sig(&cui->timer);
-
                while (cui->resize) {
                        cui->resize = 0;
                        cui_handle_resize(cui);