/** \file filter.c The stand-alone filter program. */
#include <regex.h>
+#include <stdbool.h>
#include "para.h"
#include "filter.cmdline.h"
#include "list.h"
#include "sched.h"
#include "ggo.h"
+#include "buffer_tree.h"
#include "filter.h"
#include "string.h"
#include "stdin.h"
fc->input_error = &sit->task.error;
fc->task.error = 0;
fc->output_error = &sot->task.error;
- fc->task.pre_select = filter_pre_select;
+ fc->task.post_select = filter_post_select;
sprintf(fc->task.status, "filter chain");
FOR_EACH_FILTER_NODE(fn, fc, i) {
.override = 0,
.initialize = 0,
.check_required = 0,
- .check_ambiguity = 0
+ .check_ambiguity = 0,
+ .print_errors = 1
};
if (filter_cmdline_parser_config_file(cf, &conf, ¶ms))
return -E_FILTER_SYNTAX;
return 1;
}
+/* TODO: support more than one filter, actually parse options */
+static int __noreturn main_btr(void)
+{
+ static struct sched s;
+ int i, ret;
+ struct filter *f;
+ struct btr_node *parent;
+ struct filter_node **fns;
+
+ sit->btrn = btr_new_node("stdin", NULL, NULL, NULL);
+ stdin_set_defaults(sit);
+ register_task(&sit->task);
+
+ 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];
+ struct filter_node *fn;
+
+ fn = fns[i] = para_calloc(sizeof(*fn));
+ ret = check_filter_arg(fa, &fn->conf);
+ if (ret < 0) {
+ free(fn);
+ goto out;
+ }
+ 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->btrn = btr_new_node(f->name, parent, f->execute, fn);
+ fn->task.pre_select = f->pre_select;
+ fn->task.post_select = f->post_select;
+ f->open(fn);
+ register_task(&fn->task);
+ parent = fn->btrn;
+ }
+ sot->btrn = btr_new_node("stdout", parent, NULL, NULL);
+ stdout_set_defaults(sot);
+ register_task(&sot->task);
+
+ s.default_timeout.tv_sec = 1;
+ s.default_timeout.tv_usec = 0;
+ btr_log_tree(sit->btrn, LL_INFO);
+ ret = schedule(&s);
+out:
+ for (i--; i >= 0; i--) {
+ struct filter_node *fn = fns[i];
+
+ f = filters + fn->filter_num;
+ f->close(fn);
+ btr_free_node(fn->btrn);
+ free(fn->conf);
+ free(fn);
+ }
+ free(fns);
+ btr_free_node(sit->btrn);
+ btr_free_node(sot->btrn);
+ if (ret < 0)
+ PARA_EMERG_LOG("%s\n", para_strerror(-ret));
+ exit(ret < 0? EXIT_FAILURE : EXIT_SUCCESS);
+}
+
/**
* The main function of para_filter.
*
int ret;
static struct sched s;
- stdin_set_defaults(sit);
- sit->buf = para_malloc(sit->bufsize),
-
filter_init();
ret = parse_config(argc, argv);
if (ret < 0)
goto out;
+ if (conf.buffer_tree_given) {
+ ret = main_btr();
+ goto out;
+ }
+ stdin_set_defaults(sit);
+ sit->buf = para_malloc(sit->bufsize),
+
ret = init_filter_chain();
if (ret < 0)
goto out;
sot->input_error = &fc->task.error;
register_task(&sit->task);
- register_task(&fc->task);
register_task(&sot->task);
+ register_task(&fc->task);
s.default_timeout.tv_sec = 1;
s.default_timeout.tv_usec = 0;
ret = schedule(&s);