/*
- * Copyright (C) 2005-2007 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2008 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
INIT_STDERR_LOGGING(conf.loglevel_arg);
-static void filter_event_handler(struct task *t)
-{
- PARA_NOTICE_LOG("%s\n", PARA_STRERROR(-t->ret));
- unregister_task(t);
-}
-
static void open_filters(void)
{
+ int i;
struct filter_node *fn;
- list_for_each_entry(fn, &fc->filters, node) {
- fn->filter->open(fn);
- PARA_INFO_LOG("opened %s filter\n", fn->filter->name);
+ FOR_EACH_FILTER_NODE(fn, fc, i) {
+ struct filter *f = filters + fn->filter_num;
+ f->open(fn);
+ PARA_INFO_LOG("opened %s filter\n", f->name);
fc->outbuf = fn->buf;
fc->out_loaded = &fn->loaded;
}
static int init_filter_chain(void)
{
- int i, filter_num;
+ int i, ret;
struct filter_node *fn;
- INIT_LIST_HEAD(&fc->filters);
-
+ if (!conf.filter_given)
+ return -E_NO_FILTERS;
+ fc->num_filters = conf.filter_given;
+ fc->filter_nodes = para_malloc(fc->num_filters * sizeof(struct filter_node));
fc->inbuf = sit->buf;
fc->in_loaded = &sit->loaded;
- fc->input_eof = &sit->eof;
- fc->eof = 0;
- fc->output_eof = &sot->eof;
- fc->task.private_data = fc;
+ 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.event_handler = filter_event_handler;
sprintf(fc->task.status, "filter chain");
- for (i = 0; i < conf.filter_given; i++) {
+ FOR_EACH_FILTER_NODE(fn, fc, i) {
char *fa = conf.filter_arg[i];
- fn = para_calloc(sizeof(struct filter_node));
- filter_num = check_filter_arg(fa, &fn->conf);
- if (filter_num < 0) {
- free(fn);
- return filter_num;
- }
+ fn = fc->filter_nodes + i;
+ ret = check_filter_arg(fa, &fn->conf);
+ if (ret < 0)
+ return ret;
+ fn->filter_num = ret;
fn->fc = fc;
INIT_LIST_HEAD(&fn->callbacks);
- fn->filter = &filters[filter_num];
- PARA_DEBUG_LOG("adding %s to filter chain\n", fn->filter->name);
- list_add_tail(&fn->node, &fc->filters);
+ PARA_DEBUG_LOG("filter #%d: %s\n", i, filters[fn->filter_num].name);
}
- if (list_empty(&fc->filters))
- return -E_NO_FILTERS;
open_filters();
return 1;
}
stdout_set_defaults(sot);
sot->buf = fc->outbuf;
sot->loaded = fc->out_loaded;
- sot->input_eof = &fc->eof;
+ sot->input_error = &fc->task.error;
register_task(&sit->task);
register_task(&fc->task);
free(sit->buf);
close_filters(fc);
if (ret < 0)
- PARA_EMERG_LOG("%s\n", PARA_STRERROR(-ret));
+ PARA_EMERG_LOG("%s\n", para_strerror(-ret));
return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;
}