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| author | Ray Strode <rstrode@redhat.com> | 2008-05-28 22:07:20 -0400 |
|---|---|---|
| committer | Ray Strode <rstrode@redhat.com> | 2008-05-28 22:11:22 -0400 |
| commit | 0b0afb569b254e757ec00540fdd2e6bdb8180896 (patch) | |
| tree | cebe2e6e39589e1bdae5db558743c28aa0646650 /src/splash-plugins/text/plugin.c | |
| parent | 49303d3d85b4fc7cc14c6017eff649b7716beabb (diff) | |
| download | plymouth-0b0afb569b254e757ec00540fdd2e6bdb8180896.tar.gz plymouth-0b0afb569b254e757ec00540fdd2e6bdb8180896.tar.xz plymouth-0b0afb569b254e757ec00540fdd2e6bdb8180896.zip | |
Rename all the plugins from <plugin-name>.c -> main.c
Just makes things more consistent.
Diffstat (limited to 'src/splash-plugins/text/plugin.c')
| -rw-r--r-- | src/splash-plugins/text/plugin.c | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/src/splash-plugins/text/plugin.c b/src/splash-plugins/text/plugin.c new file mode 100644 index 0000000..bfa591a --- /dev/null +++ b/src/splash-plugins/text/plugin.c @@ -0,0 +1,225 @@ +/* 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 <termios.h> +#include <unistd.h> +#include <values.h> +#include <wchar.h> + +#include "ply-boot-splash-plugin.h" +#include "ply-buffer.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 "ply-window.h" + +#include <linux/kd.h> + +#define CLEAR_LINE_SEQUENCE "\033[2K\r\n" +#define BACKSPACE "\b\033[0K" + +struct _ply_boot_splash_plugin +{ + ply_event_loop_t *loop; + + int console_fd; + ply_boot_splash_password_answer_handler_t password_answer_handler; + void *password_answer_data; + + uint32_t keyboard_input_is_hidden : 1; +}; + +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 +detach_from_event_loop (ply_boot_splash_plugin_t *plugin) +{ + plugin->loop = NULL; + + ply_trace ("detaching from event loop"); +} + +bool +show_splash_screen (ply_boot_splash_plugin_t *plugin, + ply_event_loop_t *loop, + ply_window_t *window, + ply_buffer_t *boot_buffer) +{ + assert (plugin != NULL); + + plugin->loop = loop; + ply_event_loop_watch_for_exit (loop, (ply_event_loop_exit_handler_t) + detach_from_event_loop, + plugin); + + 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); +} + +void +hide_splash_screen (ply_boot_splash_plugin_t *plugin, + ply_event_loop_t *loop, + ply_window_t *window) +{ + assert (plugin != NULL); + + ply_trace ("hiding splash screen"); + + if (plugin->loop != NULL) + { + ply_event_loop_stop_watching_for_exit (plugin->loop, + (ply_event_loop_exit_handler_t) + detach_from_event_loop, + plugin); + detach_from_event_loop (plugin); + } +} + +void +ask_for_password (ply_boot_splash_plugin_t *plugin, + ply_boot_splash_password_answer_handler_t answer_handler, + void *answer_data) +{ + plugin->password_answer_handler = answer_handler; + plugin->password_answer_data = answer_data; + + write (STDOUT_FILENO, "\nPassword: ", strlen ("\nPassword: ")); + plugin->keyboard_input_is_hidden = true; +} + +void +on_keyboard_input (ply_boot_splash_plugin_t *plugin, + const char *keyboard_input, + size_t character_size) +{ + if (plugin->keyboard_input_is_hidden) + write (STDOUT_FILENO, "•", strlen ("•")); + else + write (STDOUT_FILENO, keyboard_input, character_size); +} + +void +on_backspace (ply_boot_splash_plugin_t *plugin) +{ + write (STDOUT_FILENO, BACKSPACE, strlen (BACKSPACE)); +} + +void +on_enter (ply_boot_splash_plugin_t *plugin, + const char *line) +{ + if (plugin->password_answer_handler != NULL) + { + plugin->password_answer_handler (plugin->password_answer_data, + line); + plugin->keyboard_input_is_hidden = false; + plugin->password_answer_handler = NULL; + write (STDOUT_FILENO, CLEAR_LINE_SEQUENCE, strlen (CLEAR_LINE_SEQUENCE)); + } +} + +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, + .ask_for_password = ask_for_password, + .on_keyboard_input = on_keyboard_input, + .on_backspace = on_backspace, + .on_enter = on_enter + }; + + return &plugin_interface; +} + +/* vim: set ts=4 sw=4 expandtab autoindent cindent cino={.5s,(0: */ |
