diff options
Diffstat (limited to 'src/splash-plugins/text/text.c')
-rw-r--r-- | src/splash-plugins/text/text.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/splash-plugins/text/text.c b/src/splash-plugins/text/text.c new file mode 100644 index 0000000..96b17b6 --- /dev/null +++ b/src/splash-plugins/text/text.c @@ -0,0 +1,175 @@ +/* text.c - boot splash plugin + * + * Copyright (C) 2008 Red Hat, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + * + * Written by: Ray Strode <rstrode@redhat.com> + */ +#include "config.h" + +#include <assert.h> +#include <errno.h> +#include <fcntl.h> +#include <math.h> +#include <signal.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include <string.h> +#include <sys/ioctl.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/types.h> +#include <values.h> +#include <unistd.h> + +#include "ply-boot-splash-plugin.h" +#include "ply-event-loop.h" +#include "ply-list.h" +#include "ply-logger.h" +#include "ply-frame-buffer.h" +#include "ply-image.h" +#include "ply-utils.h" + + +#include <linux/kd.h> + +struct _ply_boot_splash_plugin +{ + ply_event_loop_t *loop; + + int console_fd; +}; + +ply_boot_splash_plugin_t * +create_plugin (void) +{ + ply_boot_splash_plugin_t *plugin; + + ply_trace ("creating plugin"); + + plugin = calloc (1, sizeof (ply_boot_splash_plugin_t)); + plugin->console_fd = -1; + + return plugin; +} + +void +destroy_plugin (ply_boot_splash_plugin_t *plugin) +{ + ply_trace ("destroying plugin"); + + if (plugin == NULL) + return; + + free (plugin); +} + +static bool +open_console (ply_boot_splash_plugin_t *plugin) +{ + assert (plugin != NULL); + + plugin->console_fd = open ("/dev/tty1", O_RDWR | O_APPEND | O_NOCTTY); + + if (plugin->console_fd < 0) + return false; + + return true; +} + +static void +close_console (ply_boot_splash_plugin_t *plugin) +{ + ply_trace ("closing console"); + close (plugin->console_fd); + plugin->console_fd = -1; +} + +bool +show_splash_screen (ply_boot_splash_plugin_t *plugin) +{ + assert (plugin != NULL); + + ply_trace ("opening console"); + if (!open_console (plugin)) + return false; + + return true; +} + +void +update_status (ply_boot_splash_plugin_t *plugin, + const char *status) +{ + assert (plugin != NULL); + + ply_trace ("status update"); + write (plugin->console_fd, ".", 1); +} + +static void +detach_from_event_loop (ply_boot_splash_plugin_t *plugin) +{ + plugin->loop = NULL; + + ply_trace ("detaching from event loop"); +} + +void +hide_splash_screen (ply_boot_splash_plugin_t *plugin) +{ + assert (plugin != NULL); + + ply_trace ("hiding splash screen"); + + ply_event_loop_stop_watching_for_exit (plugin->loop, + detach_from_event_loop, + plugin); + detach_from_event_loop (plugin); +} + +void +attach_to_event_loop (ply_boot_splash_plugin_t *plugin, + ply_event_loop_t *loop) +{ + plugin->loop = loop; + + ply_trace ("attaching to event loop"); + ply_event_loop_watch_for_exit (loop, (ply_event_loop_exit_handler_t) + detach_from_event_loop, + plugin); +} + +ply_boot_splash_plugin_interface_t * +ply_boot_splash_plugin_get_interface (void) +{ + static ply_boot_splash_plugin_interface_t plugin_interface = + { + .create_plugin = create_plugin, + .destroy_plugin = destroy_plugin, + .show_splash_screen = show_splash_screen, + .update_status = update_status, + .hide_splash_screen = hide_splash_screen, + .attach_to_event_loop = attach_to_event_loop + }; + + return &plugin_interface; +} + +/* vim: set ts=4 sw=4 expandtab autoindent cindent cino={.5s,(0: */ |