X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=filter.c;h=d4a2423904ca96f87f1ec11600f1c67e2b101ae1;hp=84ad8577120daf92c338a842e0567da91fa9968b;hb=4643fd6eeee81acc0e82e47e7895a3111775bbba;hpb=625fdbbafaf3842753bff02b349eaaf9554d846d diff --git a/filter.c b/filter.c index 84ad8577..d4a24239 100644 --- a/filter.c +++ b/filter.c @@ -1,34 +1,46 @@ -/* - * Copyright (C) 2005-2013 Andre Noll - * - * Licensed under the GPL v2. For licencing details see COPYING. - */ +/* Copyright (C) 2005 Andre Noll , see file COPYING. */ /** \file filter.c The stand-alone filter program. */ #include +#include +#include "filter.lsg.h" +#include "filter_cmd.lsg.h" #include "para.h" -#include "filter.cmdline.h" #include "list.h" +#include "lsu.h" #include "sched.h" -#include "ggo.h" #include "buffer_tree.h" #include "filter.h" #include "string.h" #include "stdin.h" #include "stdout.h" #include "error.h" +#include "fd.h" #include "version.h" +/** Array of error strings. */ +DEFINE_PARA_ERRLIST; +static struct lls_parse_result *lpr; /* command line options */ + +#define CMD_PTR (lls_cmd(0, filter_suite)) +#define OPT_RESULT(_name) \ + (lls_opt_result(LSG_FILTER_PARA_FILTER_OPT_ ## _name, lpr)) +#define OPT_GIVEN(_name) (lls_opt_given(OPT_RESULT(_name))) +#define OPT_UINT32_VAL(_name) (lls_uint32_val(0, OPT_RESULT(_name))) + /** The list of all status items used by para_{server,audiod,gui}. */ -const char *status_item_list[] = {STATUS_ITEM_ARRAY}; +const char *status_item_list[] = {STATUS_ITEMS}; +/** + * Dummy version which only contains NULL pointers. + * + * This is used by the amp filter which first tries to obtain the amplification + * value from an element in this array. + */ char *stat_item_values[NUM_STAT_ITEMS] = {NULL}; -/** Initialize the array of errors for para_filter. */ -INIT_FILTER_ERRLISTS; - /** The task that reads from stdin. */ static struct stdin_task stdin_task_struct; /** pointer to the stdin task. */ @@ -39,54 +51,40 @@ static struct stdout_task stdout_task_struct; /** Pointer to the stdout task. */ static struct stdout_task *sot = &stdout_task_struct; -/** Gengetopt struct that holds the command line args. */ -static struct filter_args_info conf; - static int loglevel; INIT_STDERR_LOGGING(loglevel); -__noreturn static void print_help_and_die(void) +static void handle_help_flag(void) { - int d = conf.detailed_help_given; - const char **p = d? filter_args_info_detailed_help - : filter_args_info_help; - - printf_or_die("%s\n\n", FILTER_CMDLINE_PARSER_PACKAGE "-" - FILTER_CMDLINE_PARSER_VERSION); - printf_or_die("%s\n\n", filter_args_info_usage); - for (; *p; p++) - printf_or_die("%s\n", *p); - print_filter_helps(d); - exit(0); + char *help; + + if (OPT_GIVEN(DETAILED_HELP)) + help = lls_long_help(CMD_PTR); + else if (OPT_GIVEN(HELP)) + help = lls_short_help(CMD_PTR); + else + return; + printf("%s\n", help); + free(help); + print_filter_helps(OPT_GIVEN(DETAILED_HELP)); + exit(EXIT_SUCCESS); } -static int parse_config(int argc, char *argv[]) +static int parse_config(void) { - static char *cf; /* config file */ - struct stat statbuf; - - filter_cmdline_parser(argc, argv, &conf); - HANDLE_VERSION_FLAG("filter", conf); - if (conf.help_given || conf.detailed_help_given) - print_help_and_die(); - loglevel = get_loglevel_by_name(conf.loglevel_arg); - if (!cf) { - char *home = para_homedir(); - cf = make_message("%s/.paraslash/filter.conf", home); - free(home); - } - if (!stat(cf, &statbuf)) { - struct filter_cmdline_parser_params params = { - .override = 0, - .initialize = 0, - .check_required = 0, - .check_ambiguity = 0, - .print_errors = 1 - }; - filter_cmdline_parser_config_file(cf, &conf, ¶ms); + int ret; + + version_handle_flag("filter", OPT_GIVEN(VERSION)); + handle_help_flag(); + ret = lsu_merge_config_file_options(NULL, "filter.conf", + &lpr, CMD_PTR, filter_suite, 0 /* default flags */); + if (ret < 0) + return ret; + loglevel = OPT_UINT32_VAL(LOGLEVEL); + if (!OPT_GIVEN(FILTER)) { + print_filter_list(); + exit(EXIT_SUCCESS); } - if (!conf.filter_given) - return -E_NO_FILTERS; return 1; } @@ -106,69 +104,78 @@ int main(int argc, char *argv[]) { static struct sched s; int i, ret; - struct filter *f; + const struct filter *f; struct btr_node *parent; struct filter_node **fns; + struct lls_parse_result *filter_lpr; /* per-filter options */ + char *errctx; - filter_init(); - ret = parse_config(argc, argv); + ret = lls(lls_parse(argc, argv, CMD_PTR, &lpr, &errctx)); if (ret < 0) goto out; + ret = parse_config(); + if (ret < 0) + goto free_lpr; sit->btrn = btr_new_node(&(struct btr_node_description) EMBRACE(.name = "stdin")); - stdin_set_defaults(sit); - register_task(&s, &sit->task); + stdin_task_register(sit, &s); - fns = para_malloc(conf.filter_given * sizeof(*fns)); - for (i = 0, parent = sit->btrn; i < conf.filter_given; i++) { - char *fa = conf.filter_arg[i]; + fns = para_malloc(OPT_GIVEN(FILTER) * sizeof(*fns)); + for (i = 0, parent = sit->btrn; i < OPT_GIVEN(FILTER); i++) { + const char *fa = lls_string_val(i, OPT_RESULT(FILTER)); + const char *name; struct filter_node *fn; + struct task_info ti; fn = fns[i] = para_calloc(sizeof(*fn)); - ret = check_filter_arg(fa, &fn->conf); - if (ret < 0) { - free(fn); - goto out_cleanup; - } - fn->filter_num = ret; - f = filters + fn->filter_num; - sprintf(fn->task.status, "%s", f->name); - PARA_DEBUG_LOG("filter #%d: %s\n", i, f->name); + fn->filter_num = filter_setup(fa, &fn->conf, &filter_lpr); + name = filter_name(fn->filter_num); + fn->lpr = filter_lpr; + PARA_DEBUG_LOG("filter #%d: %s\n", i, name); + f = filter_get(fn->filter_num); fn->btrn = btr_new_node(&(struct btr_node_description) - EMBRACE(.name = f->name, .parent = parent, + EMBRACE(.name = name, .parent = parent, .handler = f->execute, .context = fn)); - fn->task.pre_select = f->pre_select; - fn->task.post_select = f->post_select; - f->open(fn); - register_task(&s, &fn->task); + ti.name = name; + ti.pre_select = f->pre_select; + ti.post_select = f->post_select; + ti.context = fn; + if (f->open) + f->open(fn); + fn->task = task_register(&ti, &s); parent = fn->btrn; } sot->btrn = btr_new_node(&(struct btr_node_description) EMBRACE(.name = "stdout", .parent = parent)); - stdout_set_defaults(sot); - register_task(&s, &sot->task); + stdout_task_register(sot, &s); s.default_timeout.tv_sec = 1; s.default_timeout.tv_usec = 0; btr_log_tree(sit->btrn, LL_INFO); ret = schedule(&s); -out_cleanup: + sched_shutdown(&s); for (i--; i >= 0; i--) { struct filter_node *fn = fns[i]; - f = filters + fn->filter_num; + f = filter_get(fn->filter_num); if (f->close) f->close(fn); btr_remove_node(&fn->btrn); - if (f->free_config) - f->free_config(fn->conf); + if (f->teardown) + f->teardown(fn->lpr, fn->conf); free(fn); } free(fns); btr_remove_node(&sit->btrn); btr_remove_node(&sot->btrn); +free_lpr: + lls_free_parse_result(lpr, CMD_PTR); out: - if (ret < 0) - PARA_EMERG_LOG("%s\n", para_strerror(-ret)); + if (ret < 0) { + if (errctx) + PARA_ERROR_LOG("%s\n", errctx); + free(errctx); + PARA_ERROR_LOG("%s\n", para_strerror(-ret)); + } exit(ret < 0? EXIT_FAILURE : EXIT_SUCCESS); }