/*
- * Copyright (C) 2007 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2007-2009 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
#include "afh.h"
#include "afs.h"
#include "list.h"
+#include "ipc.h"
/**
* Contains statistical data of the currently admissible audio files.
* Used for scoring and to determine whether a file is admissible.
*/
struct mood_method {
- /* The name of the method. */
+ /** The name of the method. */
const char *name;
/** Pointer to the mood parser. */
mood_parser *parser;
return 1;
}
-static int mm_name_like_score_function(const char *path,
+static int mm_path_matches_score_function(const char *path,
__a_unused const struct afs_info *afsi,
__a_unused const struct afh_info *afhi,
const void *data)
return 100;
}
-static int mm_name_like_parser(const char *arg, void **data)
+static int mm_path_matches_parser(const char *arg, void **data)
{
*data = para_strdup(arg);
return 1;
}
-static void mm_name_like_cleanup(void *data)
+static void mm_path_matches_cleanup(void *data)
{
free(data);
}
return -100;
}
-/* returns 1 if row matches score item, negative otherwise */
-static int add_item_score(const struct osl_row *row, struct mood_item *item, long *score,
- long *score_arg_sum)
+/* returns 1 if row matches score item, 0 if not, negative on errors */
+static int get_item_score(const struct osl_row *row, struct mood_item *item,
+ long *score, long *score_arg_sum)
{
struct afs_info afsi;
struct afh_info afhi;
char *path;
- int ret;
+ int ret, match = 1;
*score_arg_sum += item->random_score? 100 : PARA_ABS(item->score_arg);
ret = 100;
ret = get_afhi_of_row(row, &afhi);
if (ret< 0)
return ret;
+ free(afhi.info_string); /* don't need the tag info */
ret = get_audio_file_path_of_row(row, &path);
if (ret< 0)
return ret;
ret = item->method->score_function(path, &afsi, &afhi,
item->parser_data);
if ((ret < 0 && !item->logical_not) || (ret >= 0 && item->logical_not))
- return -1; /* no match */
+ match = 0; /* no match */
}
if (item->random_score)
- *score += PARA_ABS(ret) * para_random(100);
+ *score = PARA_ABS(ret) * para_random(100);
else
- *score += PARA_ABS(ret) * item->score_arg;
- return 1;
+ *score = PARA_ABS(ret) * item->score_arg;
+ return match;
}
+/* returns 1 if row admissible, 0 if not, negative on errors */
static int compute_mood_score(const struct osl_row *aft_row, struct mood *m,
long *result)
{
struct mood_item *item;
- int match = 0;
- long score_arg_sum = 0, score = 0;
+ int ret, match = 0;
+ long score_arg_sum = 0, score = 0, item_score;
if (!m)
return -E_NO_MOOD;
/* reject audio file if it matches any entry in the deny list */
- list_for_each_entry(item, &m->deny_list, mood_item_node)
- if (add_item_score(aft_row, item, &score, &score_arg_sum) > 0)
- return -E_NOT_ADMISSIBLE;
- list_for_each_entry(item, &m->accept_list, mood_item_node)
- if (add_item_score(aft_row, item, &score, &score_arg_sum) > 0)
- match = 1;
+ list_for_each_entry(item, &m->deny_list, mood_item_node) {
+ ret = get_item_score(aft_row, item, &item_score,
+ &score_arg_sum);
+ if (ret < 0)
+ return ret;
+ if (ret > 0) /* not admissible */
+ return 0;
+ score += item_score;
+ }
+ list_for_each_entry(item, &m->accept_list, mood_item_node) {
+ ret = get_item_score(aft_row, item, &item_score,
+ &score_arg_sum);
+ if (ret < 0)
+ return ret;
+ if (ret == 0)
+ continue;
+ match = 1;
+ score += item_score;
+ }
/* reject if there is no matching entry in the accept list */
if (!match && !list_empty(&m->accept_list))
- return -E_NOT_ADMISSIBLE;
- list_for_each_entry(item, &m->score_list, mood_item_node)
- add_item_score(aft_row, item, &score, &score_arg_sum);
+ return 0;
+ list_for_each_entry(item, &m->score_list, mood_item_node) {
+ ret = get_item_score(aft_row, item, &item_score,
+ &score_arg_sum);
+ if (ret < 0)
+ return ret;
+ score += item_score;
+ }
if (score_arg_sum)
score /= score_arg_sum;
*result = score;
{DEFINE_MOOD_METHOD(no_attributes_set)},
{DEFINE_MOOD_METHOD(played_rarely)},
{DEFINE_MOOD_METHOD(is_set)},
- {DEFINE_MOOD_METHOD_WITH_CLEANUP(name_like)},
+ {DEFINE_MOOD_METHOD_WITH_CLEANUP(path_matches)},
{.parser = NULL}
};
ML_SCORE
};
+/** Data passed to the parser of a mood line. */
struct mood_line_parser_data {
+ /** The mood this mood line belongs to. */
struct mood *m;
+ /** The line number in the mood definition. */
unsigned line_num;
};
w++;
if (!*w)
goto out;
- if (!strcmp(*w, "with")) {
- w++;
- if (!*w)
- goto out;
- }
+ if (strcmp(*w, "with"))
+ goto check_for_if;
+ w++;
+ if (!*w)
+ goto out;
+ if (strcmp(*w, "score"))
+ goto out;
}
if (mlt == ML_SCORE || !strcmp(*w, "score")) {
ret = -E_MOOD_SYNTAX;
w++;
if (!*w)
goto out;
+check_for_if:
if (!strcmp(*w, "if")) {
ret = -E_MOOD_SYNTAX;
w++;
osl_close_disk_object(&mood_def);
if (ret < 0) {
PARA_ERROR_LOG("unable to load mood %s: %s\n", mlpd.m->name,
- PARA_STRERROR(-ret));
+ para_strerror(-ret));
destroy_mood(mlpd.m);
return ret;
}
int ret = mood_get_name_and_def_by_row(mood_row, &mood_name, &mood_def);
if (ret < 0) {
- para_printf(pb, "failed to get mood definition\n");
+ para_printf(pb, "failed to get mood definition: %s\n",
+ para_strerror(-ret));
return ret;
}
if (!*mood_name) /* ignore dummy row */
goto out;
- para_printf(pb, "checking mood %s...\n", mood_name);
+ ret = para_printf(pb, "checking mood %s...\n", mood_name);
+ if (ret < 0)
+ goto out;
ret = for_each_line_ro(mood_def.data, mood_def.size,
parse_mood_line, &mlpd);
if (ret < 0)
para_printf(pb, "%s line %u: %s\n", mood_name, mlpd.line_num,
- PARA_STRERROR(-ret));
+ para_strerror(-ret));
out:
osl_close_disk_object(&mood_def);
- return 1;
+ return ret;
}
/**
* Check all moods for syntax errors.
*
+ * \param fd The afs socket.
* \param query Unused.
- * \param result: Contains check messages.
*/
-int mood_check_callback(__a_unused const struct osl_object *query,
- struct osl_object *result)
+void mood_check_callback(int fd, __a_unused const struct osl_object *query)
{
- struct para_buffer pb = {.buf = NULL};
+ struct para_buffer pb = {
+ .max_size = SHMMAX,
+ .private_data = &fd,
+ .max_size_handler = pass_buffer_as_shm
+ };
- para_printf(&pb, "checking moods...\n");
+ int ret = para_printf(&pb, "checking moods...\n");
+ if (ret < 0)
+ return;
osl_rbtree_loop(moods_table, BLOBCOL_ID, &pb,
check_mood);
- result->data = pb.buf;
- result->size = pb.size;
- return 1;
+ if (pb.offset)
+ pass_buffer_as_shm(pb.buf, pb.offset, &fd);
+ free(pb.buf);
}
#if 0
* \param aft_row The audio file to be added.
* \param private_data Pointer to a struct admissible_file_info.
*
- * \return Negative on errors, positive on success.
+ * \return 1 if row admissible, 0 if not, negative on errors.
*/
static int add_if_admissible(struct osl_row *aft_row, void *data)
{
long score = 0;
ret = compute_mood_score(aft_row, aa->m, &score);
- if (ret < 0)
- return (ret == -E_NOT_ADMISSIBLE)? 1 : ret;
+ if (ret <= 0)
+ return ret;
if (statistics.num >= aa->size) {
aa->size *= 2;
aa->size += 100;
return ret;
was_admissible = ret;
ret = compute_mood_score(aft_row, current_mood, &score);
+ if (ret < 0)
+ return ret;
is_admissible = (ret > 0);
if (!was_admissible && !is_admissible)
return 1;
int ret;
char *mood_name = NULL;
- PARA_NOTICE_LOG("reloading current mood\n");
if (!current_mood)
return 1;
+ PARA_NOTICE_LOG("reloading %s\n", current_mood->name?
+ current_mood->name : "(dummy)");
if (current_mood->name)
mood_name = para_strdup(current_mood->name);
close_current_mood();
int moods_event_handler(enum afs_events event, __a_unused struct para_buffer *pb,
void *data)
{
- switch(event) {
+ if (!current_mood)
+ return 0;
+ switch (event) {
/*
* The three blob events might change the set of admissible files,
* so we must reload the score list.
default:
return 1;
}
- return 1;
}