+/*
+ * Petitboot generic ncurses bootloader UI
+ *
+ * Copyright (C) 2009 Sony Computer Entertainment Inc.
+ * Copyright 2009 Sony Corp.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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
+ */
+
+#if defined(HAVE_CONFIG_H)
+#include "config.h"
+#endif
+
+#define _GNU_SOURCE
+#include <errno.h>
+#include <getopt.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+
+#include "log/log.h"
+#include "talloc/talloc.h"
+#include "waiter/waiter.h"
+#include "ui/common/discover-client.h"
+#include "nc-cui.h"
+
+static void print_version(void)
+{
+ printf("pb-cui (" PACKAGE_NAME ") " PACKAGE_VERSION "\n");
+}
+
+static void print_usage(void)
+{
+ print_version();
+ printf(
+"Usage: pb-cui [-h, --help] [-l, --log log-file] [-V, --version]\n");
+}
+
+/**
+ * enum opt_value - Tri-state options variables.
+ */
+
+enum opt_value {opt_undef = 0, opt_yes, opt_no};
+
+/**
+ * struct opts - Values from command line options.
+ */
+
+struct opts {
+ enum opt_value show_help;
+ const char *log_file;
+ enum opt_value show_version;
+};
+
+/**
+ * opts_parse - Parse the command line options.
+ */
+
+static int opts_parse(struct opts *opts, int argc, char *argv[])
+{
+ static const struct option long_options[] = {
+ {"help", no_argument, NULL, 'h'},
+ {"log", required_argument, NULL, 'l'},
+ {"version", no_argument, NULL, 'V'},
+ { NULL, 0, NULL, 0},
+ };
+ static const char short_options[] = "hl:V";
+ static const struct opts default_values = {
+ .log_file = "pb-cui.log",
+ };
+
+ *opts = default_values;
+
+ while (1) {
+ int c = getopt_long(argc, argv, short_options, long_options,
+ NULL);
+
+ if (c == EOF)
+ break;
+
+ switch (c) {
+ case 'h':
+ opts->show_help = opt_yes;
+ break;
+ case 'l':
+ opts->log_file = optarg;
+ break;
+ case 'V':
+ opts->show_version = opt_yes;
+ break;
+ default:
+ opts->show_help = opt_yes;
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * struct pb_cui - Main cui program instance.
+ * @mm: Main menu.
+ * @svm: Set video mode menu.
+ */
+
+struct pb_cui {
+ struct pmenu *mm;
+ struct cui *cui;
+};
+
+static struct pb_cui *pb_from_cui(struct cui *cui)
+{
+ struct pb_cui *pb;
+
+ assert(cui->c_sig == pb_cui_sig);
+ pb = cui->platform_info;
+ assert(pb->cui->c_sig == pb_cui_sig);
+ return pb;
+}
+
+/**
+ * pb_kexec_cb - The kexec callback.
+ */
+
+static int pb_kexec_cb(struct cui *cui, struct cui_opt_data *cod)
+{
+ struct pb_cui *pb = pb_from_cui(cui);
+
+ pb_log("%s: %s:%s\n", __func__, cod->dev->name, cod->opt->name);
+
+ assert(pb->cui->current == &pb->cui->main->scr);
+
+ return pb_run_kexec(cod->kd);
+}
+
+/**
+ * pb_mm_init - Setup the main menu instance.
+ */
+
+static struct pmenu *pb_mm_init(struct pb_cui *pb_cui)
+{
+ int result;
+ struct pmenu *m;
+ struct pmenu_item *i;
+
+ m = pmenu_init(pb_cui->cui, 1, cui_on_exit);
+
+ if (!m) {
+ pb_log("%s: failed\n", __func__);
+ return NULL;
+ }
+
+ m->scr.frame.title = talloc_strdup(m, "Petitboot");
+ m->scr.frame.help = talloc_strdup(m,
+ "ESC=exit, Enter=accept, E,e=edit");
+ m->scr.frame.status = talloc_strdup(m, "Welcome to Petitboot");
+
+ i = pmenu_item_init(m, 0, "Exit to Shell",
+ "Exit petitboot and return to a shell prompt");
+ i->on_execute = pmenu_exit_cb;
+
+ result = pmenu_setup(m);
+
+ if (result) {
+ pb_log("%s:%d: pmenu_setup failed: %s\n", __func__, __LINE__,
+ strerror(errno));
+ goto fail_setup;
+ }
+
+ menu_opts_off(m->ncm, O_SHOWDESC);
+ set_menu_mark(m->ncm, " *");
+ set_current_item(m->ncm, i->nci);
+
+ return m;
+
+fail_setup:
+ talloc_free(m);
+ return NULL;
+}
+
+static struct pb_cui pb;
+
+static void sig_handler(int signum)
+{
+ DBGS("%d\n", signum);
+
+ switch (signum) {
+ case SIGALRM:
+ if (pb.cui)
+ ui_timer_sigalrm(&pb.cui->timer);
+ break;
+ case SIGWINCH:
+ if (pb.cui)
+ cui_resize(pb.cui);
+ break;
+ default:
+ assert(0 && "unknown sig");
+ /* fall through */
+ case SIGINT:
+ case SIGHUP:
+ case SIGTERM:
+ if (pb.cui)
+ cui_abort(pb.cui);
+ break;
+ }
+}
+
+/**
+ * main - cui bootloader main routine.
+ */
+
+int main(int argc, char *argv[])
+{
+ static struct sigaction sa;
+ static struct opts opts;
+ int result;
+ int cui_result;
+ FILE *log;
+
+ result = opts_parse(&opts, argc, argv);
+
+ if (result) {
+ print_usage();
+ return EXIT_FAILURE;
+ }
+
+ if (opts.show_help == opt_yes) {
+ print_usage();
+ return EXIT_SUCCESS;
+ }
+
+ if (opts.show_version == opt_yes) {
+ print_version();
+ return EXIT_SUCCESS;
+ }
+
+ log = fopen(opts.log_file, "a");
+ assert(log);
+ pb_log_set_stream(log);
+
+#if defined(DEBUG)
+ pb_log_always_flush(1);
+#endif
+
+ pb_log("--- pb-cui ---\n");
+
+ sa.sa_handler = sig_handler;
+ result = sigaction(SIGALRM, &sa, NULL);
+ result += sigaction(SIGHUP, &sa, NULL);
+ result += sigaction(SIGINT, &sa, NULL);
+ result += sigaction(SIGTERM, &sa, NULL);
+ result += sigaction(SIGWINCH, &sa, NULL);
+
+ if (result) {
+ pb_log("%s sigaction failed.\n", __func__);
+ return EXIT_FAILURE;
+ }
+
+ pb.cui = cui_init(&pb, pb_kexec_cb);
+
+ if (!pb.cui)
+ return EXIT_FAILURE;
+
+ pb.mm = pb_mm_init(&pb);
+ ui_timer_disable(&pb.cui->timer);
+
+ cui_result = cui_run(pb.cui, pb.mm, 0);
+
+ pmenu_delete(pb.mm);
+
+ talloc_free(pb.cui);
+
+ pb_log("--- end ---\n");
+
+ return cui_result ? EXIT_FAILURE : EXIT_SUCCESS;
+}
projects / petitboot / commitdiff