]> git.ozlabs.org Git - petitboot/blobdiff - ui/ncurses/nc-cui.c
lib/waiter: handle -EINTR
[petitboot] / ui / ncurses / nc-cui.c
index 2a4c971165963bb60fc66a3afb3aa49f9db3ec92..71fec5e7d18345a3fc93b815d014400a29c47b86 100644 (file)
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include "config.h"
+
 #define _GNU_SOURCE
 
 #include <assert.h>
 #include <errno.h>
 #include <stdlib.h>
 #include <string.h>
+#include <locale.h>
 #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"
 #include "nc-cui.h"
 
-
 static struct cui_opt_data *cod_from_item(struct pmenu_item *item)
 {
        return item->data;
@@ -83,7 +86,7 @@ int cui_run_cmd(struct pmenu_item *item)
 
        def_prog_mode();
 
-       result = pb_run_cmd(cmd_argv);
+       result = pb_run_cmd(cmd_argv, 1, 0);
 
        reset_prog_mode();
        redrawwin(cui->current->main_ncw);
@@ -97,84 +100,84 @@ int cui_run_cmd(struct pmenu_item *item)
 }
 
 /**
- * cui_run_kexec - A generic cb to run kexec.
+ * cui_boot - A generic cb to run kexec.
  */
 
-static int cui_run_kexec(struct pmenu_item *item)
+static int cui_boot(struct pmenu_item *item)
 {
        int result;
        struct cui *cui = cui_from_item(item);
        struct cui_opt_data *cod = cod_from_item(item);
 
        assert(cui->current == &cui->main->scr);
-       assert(cui->on_kexec);
 
-       pb_log("%s: %s\n", __func__, cod->dev->name, cod->opt->name);
-       nc_scr_status_printf(cui->current, "Booting %s...", cod->opt->name);
+       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_kexec(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(60);
+       if (result) {
+               nc_scr_status_printf(cui->current,
+                               "Failed: boot %s", cod->bd->image);
        }
 
-       pb_log("%s: failed: %s\n", __func__, cod->kd->image);
-       nc_scr_status_printf(cui->current, "Failed: kexec %s", cod->kd->image);
-
        return 0;
 }
 
 /**
- * cui_ked_on_exit - The ked on_exit callback.
+ * cui_boot_editor_on_exit - The boot_editor on_exit callback.
  */
 
-static void cui_ked_on_exit(struct ked *ked, enum ked_result ked_result,
-       struct pb_kexec_data *kd)
+static void cui_boot_editor_on_exit(struct boot_editor *boot_editor, enum boot_editor_result boot_editor_result,
+       struct pb_boot_data *bd)
 {
-       struct cui *cui = cui_from_arg(ked->scr.ui_ctx);
+       struct cui *cui = cui_from_arg(boot_editor->scr.ui_ctx);
 
-       if (ked_result == ked_update || ked_result == ked_boot) {
+       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);
 
-               assert(kd);
+               assert(bd);
 
-               talloc_steal(i, kd);
-               talloc_free(cod->kd);
-               cod->kd = kd;
+               talloc_steal(i, bd);
+               talloc_free(cod->bd);
+               cod->bd = bd;
 
-               pb_log("%s: updating opt '%s'\n", __func__, cod->opt->name);
-               pb_log(" image  '%s'\n", cod->kd->image);
-               pb_log(" initrd '%s'\n", cod->kd->initrd);
-               pb_log(" args   '%s'\n", cod->kd->args);
+               pmenu_item_replace(i, cod->name);
+
+               /* FIXME: need to make item visible somehow */
+               set_current_item(cui->main->ncm, i->nci);
+
+               pb_log("%s: updating opt '%s'\n", __func__, cod->name);
+               pb_log(" image  '%s'\n", cod->bd->image);
+               pb_log(" initrd '%s'\n", cod->bd->initrd);
+               pb_log(" dtb    '%s'\n", cod->bd->dtb);
+               pb_log(" args   '%s'\n", cod->bd->args);
        }
 
        cui_set_current(cui, &cui->main->scr);
 
-       talloc_free(ked);
-
-       if (ked_result == ked_boot) {
-               struct pmenu_item *i = pmenu_find_selected(cui->main);
-               i->on_execute(i);
-       }
+       talloc_free(boot_editor);
 }
 
-int cui_ked_run(struct pmenu_item *item)
+int cui_boot_editor_run(struct pmenu_item *item)
 {
        struct cui *cui = cui_from_item(item);
-       struct ked *ked;
-
-       ked = ked_init(cui, cod_from_item(item)->kd, cui_ked_on_exit);
+       struct cui_opt_data *cod = cod_from_item(item);
+       struct boot_editor *boot_editor;
 
-       cui_set_current(cui, &ked->scr);
+       boot_editor = boot_editor_init(cui, cod->bd, cui_boot_editor_on_exit);
+       cui_set_current(cui, &boot_editor->scr);
 
        return 0;
 }
@@ -200,20 +203,64 @@ 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.
+ */
+
 static int cui_process_key(void *arg)
 {
        struct cui *cui = cui_from_arg(arg);
 
        assert(cui->current);
-       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;
 }
 
-static int cui_client_process_socket(void *arg)
+/**
+ * cui_process_js - Process joystick events.
+ */
+
+static int cui_process_js(void *arg)
 {
-       struct discover_client *client = arg;
+       struct cui *cui = cui_from_arg(arg);
+       int c;
+
+       c = pjs_process_event(cui->pjs);
+
+       if (c) {
+               ungetch(c);
+               cui_process_key(arg);
+       }
 
-       discover_client_process(client);
        return 0;
 }
 
@@ -242,6 +289,46 @@ static void cui_handle_resize(struct cui *cui)
        wrefresh(cui->current->main_ncw);
 }
 
+/**
+ * cui_on_open - Open new item callback.
+ */
+
+void cui_on_open(struct pmenu *menu)
+{
+       unsigned int insert_pt;
+       struct pmenu_item *i;
+       struct cui_opt_data *cod;
+
+       menu->scr.unpost(&menu->scr);
+
+       /* This disconnects items array from menu. */
+
+       set_menu_items(menu->ncm, NULL);
+
+       /* Insert new items at insert_pt. */
+
+       insert_pt = pmenu_grow(menu, 1);
+       i = pmenu_item_alloc(menu);
+
+       i->on_edit = cui_boot_editor_run;
+       i->on_execute = cui_boot;
+       i->data = cod = talloc_zero(i, struct cui_opt_data);
+
+       cod->name = talloc_asprintf(i, "User item %u:", insert_pt);
+       cod->bd = talloc_zero(i, struct pb_boot_data);
+
+       pmenu_item_setup(menu, i, insert_pt, talloc_strdup(i, cod->name));
+
+       /* Re-attach the items array. */
+
+       set_menu_items(menu->ncm, menu->items);
+
+       menu->scr.post(&menu->scr);
+       set_current_item(menu->ncm, i->nci);
+
+       i->on_edit(i);
+}
+
 /**
  * cui_device_add - Client device_add callback.
  *
@@ -249,16 +336,17 @@ static void cui_handle_resize(struct cui *cui)
  * 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);
 
@@ -272,63 +360,36 @@ 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;
-               char *description;
-
-               /* Save the item in opt->ui_info for cui_device_remove() */
-
-               opt->ui_info = i = pmenu_item_alloc(cui->main);
-
-               name = talloc_asprintf(i, "%s: %s", opt->name,
-                       opt->description);
+       /* Save the item in opt->ui_info for cui_device_remove() */
 
-               description = talloc_asprintf(i,
-                       " kexec: image='%s' initrd='%s' args='%s'",
-                       opt->boot_image_file,
-                       opt->initrd_file,
-                       opt->boot_args);
+       opt->ui_info = i = pmenu_item_alloc(cui->main);
 
-               pmenu_item_setup(cui->main, i, insert_pt, name, description);
+       i->on_edit = cui_boot_editor_run;
+       i->on_execute = cui_boot;
+       i->data = cod = talloc(i, struct cui_opt_data);
 
-               i->on_edit = cui_ked_run;
-               i->on_execute = cui_run_kexec;
-               i->data = cod = talloc(i, struct cui_opt_data);
+       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);
 
-               cod->dev = dev;
-               cod->opt = opt;
-               cod->opt_hash = pb_opt_hash(dev, opt);
-               cod->kd = talloc(i, struct pb_kexec_data);
+       cod->bd->image = talloc_strdup(cod->bd, opt->boot_image_file);
+       cod->bd->initrd = talloc_strdup(cod->bd, opt->initrd_file);
+       cod->bd->dtb = talloc_strdup(cod->bd, opt->dtb_file);
+       cod->bd->args = talloc_strdup(cod->bd, opt->boot_args);
 
-               cod->kd->image = talloc_strdup(cod->kd, opt->boot_image_file);
-               cod->kd->initrd = talloc_strdup(cod->kd, opt->initrd_file);
-               cod->kd->args = talloc_strdup(cod->kd, opt->boot_args);
+       pmenu_item_setup(cui->main, i, insert_pt, cod->name);
 
-               insert_pt++;
-
-               /* If this is the default_item select it. */
-
-               if (cod->opt_hash == cui->default_item)
-                       selected = i->nci;
-
-               pb_log("%s: adding opt '%s'\n", __func__, cod->opt->name);
-               pb_log("   image  '%s'\n", cod->kd->image);
-               pb_log("   initrd '%s'\n", cod->kd->initrd);
-               pb_log("   args   '%s'\n", cod->kd->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);
 
        /* Re-attach the items array. */
-
        result = set_menu_items(cui->main->ncm, cui->main->items);
 
        if (result)
@@ -340,6 +401,9 @@ static int cui_device_add(struct device *dev, void *arg)
                        item_count(cui->main->ncm) + 1);
        }
 
+       /* FIXME: need to make item visible somehow */
+       menu_driver(cui->main->ncm, REQ_SCR_UPAGE);
+       menu_driver(cui->main->ncm, REQ_SCR_DPAGE);
        set_current_item(cui->main->ncm, selected);
 
        if (cui->current == &cui->main->scr)
@@ -397,13 +461,22 @@ static void cui_device_remove(struct device *dev, void *arg)
                cui->current->post(cui->current);
 }
 
-/**
- * cui_client_process_socket - Process a socket event from the discover server.
- */
+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,
 };
 
 /**
@@ -417,10 +490,9 @@ static struct discover_client_ops cui_client_ops = {
  */
 
 struct cui *cui_init(void* platform_info,
-       int (*on_kexec)(struct cui *, struct cui_opt_data *))
+       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);
@@ -433,19 +505,41 @@ struct cui *cui_init(void* platform_info,
 
        cui->c_sig = pb_cui_sig;
        cui->platform_info = platform_info;
-       cui->on_kexec = on_kexec;
+       cui->waitset = waitset_create(cui);
+
+       setlocale(LC_ALL, "");
 
        /* Loop here for scripts that just started the server. */
 
-       for (i = 10; i; i--) {
-               client = discover_client_init(&cui_client_ops, cui);
-               if (client)
+retry_start:
+       for (i = start_deamon ? 2 : 10; i; 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) {
+       if (!cui->client && start_deamon) {
+               int result;
+
+               start_deamon = 0;
+
+               result = pb_start_daemon();
+
+               if (!result)
+                       goto retry_start;
+
+               pb_log("%s: discover_client_init failed.\n", __func__);
+               fprintf(stderr, "%s: error: discover_client_init failed.\n",
+                       __func__);
+               fprintf(stderr, "could not start pb-discover, the petitboot "
+                       "daemon.\n");
+               goto fail_client_init;
+       }
+
+       if (!cui->client) {
                pb_log("%s: discover_client_init failed.\n", __func__);
                fprintf(stderr, "%s: error: discover_client_init failed.\n",
                        __func__);
@@ -457,10 +551,17 @@ struct cui *cui_init(void* platform_info,
        atexit(nc_atexit);
        nc_start();
 
-       waiter_register(discover_client_get_fd(client), WAIT_IN,
-               cui_client_process_socket, client);
+       waiter_register_io(cui->waitset, STDIN_FILENO, WAIT_IN,
+                       cui_process_key, cui);
+
+       if (js_map) {
 
-       waiter_register(STDIN_FILENO, WAIT_IN, cui_process_key, cui);
+               cui->pjs = pjs_init(cui, js_map);
+
+               if (cui->pjs)
+                       waiter_register_io(cui->waitset, pjs_get_fd(cui->pjs),
+                                       WAIT_IN, cui_process_js, cui);
+       }
 
        return cui;
 
@@ -491,9 +592,9 @@ int cui_run(struct cui *cui, struct pmenu *main, unsigned int default_item)
        cui->current->post(cui->current);
 
        while (1) {
-               int result = waiter_poll();
+               int result = waiter_poll(cui->waitset);
 
-               if (result < 0 && errno != EINTR) {
+               if (result < 0) {
                        pb_log("%s: poll: %s\n", __func__, strerror(errno));
                        break;
                }