X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fpb-discover.c;h=c16d6903ed5c1da180dfd615beed1950c824b20b;hp=d7ea0caec4ee74a2e3ddbe3a47956174c7f330ed;hb=307b4b091e0bc298964e90888bf179431e32c134;hpb=fbb2f7a20e5ac7b6d9f578fdb3538fad4310c472 diff --git a/discover/pb-discover.c b/discover/pb-discover.c index d7ea0ca..c16d690 100644 --- a/discover/pb-discover.c +++ b/discover/pb-discover.c @@ -1,15 +1,110 @@ +#if defined(HAVE_CONFIG_H) +#include "config.h" +#endif + #include +#include #include #include +#include #include #include +#include +#include #include "udev.h" #include "user-event.h" #include "discover-server.h" #include "device-handler.h" +#include "network.h" + +static void print_version(void) +{ + printf("pb-discover (" PACKAGE_NAME ") " PACKAGE_VERSION "\n"); +} + +static void print_usage(void) +{ + print_version(); + printf( +"Usage: pb-discover [-a, --no-autoboot] [-h, --help] [-l, --log log-file]\n" +" [-n, --dry-run] [-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 no_autoboot; + enum opt_value show_help; + const char *log_file; + enum opt_value dry_run; + 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[] = { + {"no-autoboot", no_argument, NULL, 'a'}, + {"help", no_argument, NULL, 'h'}, + {"log", required_argument, NULL, 'l'}, + {"dry-run", no_argument, NULL, 'n'}, + {"version", no_argument, NULL, 'V'}, + { NULL, 0, NULL, 0}, + }; + static const char short_options[] = "ahl:nV"; + static const struct opts default_values = { + .no_autoboot = opt_no, + .log_file = "/var/log/petitboot/pb-discover.log", + .dry_run = opt_no, + }; + + *opts = default_values; + + while (1) { + int c = getopt_long(argc, argv, short_options, long_options, + NULL); + + if (c == EOF) + break; + + switch (c) { + case 'a': + opts->no_autoboot = opt_yes; + break; + case 'h': + opts->show_help = opt_yes; + break; + case 'l': + opts->log_file = optarg; + break; + case 'n': + opts->dry_run = opt_yes; + break; + case 'V': + opts->show_version = opt_yes; + break; + default: + opts->show_help = opt_yes; + return -1; + } + } + + return optind != argc; +} static int running; @@ -18,21 +113,44 @@ static void sigint_handler(int __attribute__((unused)) signum) running = 0; } -int main(void) +int main(int argc, char *argv[]) { struct device_handler *handler; struct discover_server *server; - struct udev *udev; + struct network *network; + struct waitset *waitset; + struct procset *procset; + struct opts opts; + struct pb_udev *udev; struct user_event *uev; FILE *log; - log = fopen("pb-discover.log", "a"); - assert(log); - pb_log_set_stream(log); + if (opts_parse(&opts, argc, argv)) { + 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 = stderr; + if (strcmp(opts.log_file, "-")) { + log = fopen(opts.log_file, "a"); + if (!log) { + fprintf(stderr, "can't open log file %s, logging to " + "stderr\n", opts.log_file); + log = stderr; + } + } + pb_log_init(log); -#if defined(DEBUG) - pb_log_always_flush(1); -#endif pb_log("--- pb-discover ---\n"); /* we look for closed sockets when we write, so ignore SIGPIPE */ @@ -40,33 +158,47 @@ int main(void) signal(SIGINT, sigint_handler); - server = discover_server_init(); + config_init(NULL); + + if (opts.no_autoboot == opt_yes) + config_set_autoboot(false); + + waitset = waitset_create(NULL); + + server = discover_server_init(waitset); if (!server) return EXIT_FAILURE; - handler = device_handler_init(server); + procset = process_init(server, waitset, opts.dry_run == opt_yes); + if (!procset) + return EXIT_FAILURE; + + network = network_init(server, waitset, opts.dry_run == opt_yes); + if (!network) + return EXIT_FAILURE; + + handler = device_handler_init(server, waitset, opts.dry_run == opt_yes); if (!handler) return EXIT_FAILURE; discover_server_set_device_source(server, handler); - udev = udev_init(handler); + udev = udev_init(waitset, handler); if (!udev) return EXIT_FAILURE; - uev = user_event_init(handler); + uev = user_event_init(waitset, handler); if (!uev) return EXIT_FAILURE; - udev_trigger(udev); - user_event_trigger(uev); - for (running = 1; running;) { - if (waiter_poll()) + if (waiter_poll(waitset)) break; } device_handler_destroy(handler); + udev_destroy(udev); + config_fini(); pb_log("--- end ---\n");