ui/ncurses: List available consoles in nc-config

Include a list of available consoles as specified by the discover server
in nc-config from which the user can select a default. The selected
console specifies the which console to be set as the primary console
when a kernel is kexec'd.

Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>

diff --git a/ui/ncurses/nc-config.c b/ui/ncurses/nc-config.c
index 66ca7a45a63e35f4dd54dc7ad1307ffd9d5e35f9..24aac2b6e8d6f7fc61e2e271104e9802b9225e6d 100644 (file)
--- a/ui/ncurses/nc-config.c
+++ b/ui/ncurses/nc-config.c
@@ -33,7 +33,7 @@
 #include "nc-config.h"
 #include "nc-widgets.h"
 
-#define N_FIELDS       39
+#define N_FIELDS       42
 
 extern struct help_text config_help_text;
 
@@ -108,6 +108,9 @@ struct config_screen {
 
                struct nc_widget_label          *allow_write_l;
                struct nc_widget_select         *allow_write_f;
+               struct nc_widget_label          *boot_tty_l;
+               struct nc_widget_select         *boot_tty_f;
+               struct nc_widget_label          *current_tty_l;
 
                struct nc_widget_label          *safe_mode;
                struct nc_widget_button         *ok_b;
@@ -197,7 +200,7 @@ static int screen_process_form(struct config_screen *screen)
        char *str, *end;
        struct config *config;
        int i, n_boot_opts, rc, idx;
-       unsigned int *order;
+       unsigned int *order, tty;
        char mac[20];
 
        config = config_copy(screen, screen->cui->config);
@@ -333,6 +336,19 @@ static int screen_process_form(struct config_screen *screen)
        if (allow_write != config->allow_writes)
                config->allow_writes = allow_write;
 
+       if (config->n_tty) {
+               tty = widget_select_get_value(screen->widgets.boot_tty_f);
+               if (!config->boot_tty) {
+                       config->boot_tty = talloc_strdup(config,
+                                                       config->tty_list[tty]);
+               } else if (strncmp(config->boot_tty, config->tty_list[tty],
+                               strlen(config->boot_tty)) != 0) {
+                       talloc_free(config->boot_tty);
+                       config->boot_tty = talloc_strdup(config,
+                                                       config->tty_list[tty]);
+               }
+       }
+
        config->safe_mode = false;
        rc = cui_send_config(screen->cui, config);
        talloc_free(config);
@@ -579,6 +595,22 @@ static void config_screen_layout_widgets(struct config_screen *screen)
 
        y += 1;
 
+       if (widget_height(widget_select_base(screen->widgets.boot_tty_f))) {
+               layout_pair(screen, y, screen->widgets.boot_tty_l,
+                           widget_select_base(screen->widgets.boot_tty_f));
+               y += widget_height(widget_select_base(screen->widgets.boot_tty_f));
+               widget_move(widget_label_base(screen->widgets.current_tty_l),
+                       y, screen->field_x);
+               y += 2;
+       } else {
+               widget_set_visible(widget_label_base(
+                                       screen->widgets.boot_tty_l), false);
+               widget_set_visible(widget_select_base(
+                                       screen->widgets.boot_tty_f), false);
+               widget_set_visible(widget_label_base(
+                                       screen->widgets.current_tty_l), false);
+       }
+
        widget_move(widget_button_base(screen->widgets.ok_b),
                        y, screen->field_x);
        widget_move(widget_button_base(screen->widgets.help_b),
@@ -740,10 +772,11 @@ static void config_screen_setup_widgets(struct config_screen *screen,
 {
        struct nc_widgetset *set = screen->widgetset;
        struct interface_config *ifcfg;
-       char *str, *ip, *mask, *gw, *url;
+       char *str, *ip, *mask, *gw, *url, *tty;
        enum net_conf_type type;
        unsigned int i;
        int add_len, clear_len, any_len, min_len = 20;
+       bool found;
 
        build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
                        == N_FIELDS);
@@ -986,6 +1019,23 @@ static void config_screen_setup_widgets(struct config_screen *screen,
                                _("Allow bootloader scripts to modify disks"),
                                config->allow_writes);
 
+       screen->widgets.boot_tty_l = widget_new_label(set, 0, 0,
+                       _("Default tty:"));
+       screen->widgets.boot_tty_f = widget_new_select(set, 0, 0,
+                                               COLS - screen->field_x - 1);
+
+       for (i = 0; i < config->n_tty; i++){
+               found = config->boot_tty &&
+                       strncmp(config->boot_tty, config->tty_list[i],
+                               strlen(config->boot_tty)) == 0;
+               widget_select_add_option(screen->widgets.boot_tty_f, i,
+                                       config->tty_list[i], found);
+       }
+
+       tty = talloc_asprintf(screen, _("Current interface: %s"),
+                               ttyname(STDIN_FILENO));
+       screen->widgets.current_tty_l = widget_new_label(set, 0 , 0, tty);
+
        screen->widgets.ok_b = widget_new_button(set, 0, 0, 10, _("OK"),
                        ok_click, screen);
        screen->widgets.help_b = widget_new_button(set, 0, 0, 10, _("Help"),