/*
- * Copyright (C) 2007 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2007-2008 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
struct afsi_change_event_data {
- const struct osl_row *aft_row;
+ struct osl_row *aft_row;
struct afs_info *old_afsi;
};
enum play_mode {PLAY_MODE_MOOD, PLAY_MODE_PLAYLIST};
+/**
+ * Data about one audio file.
+ *
+ * Needed to produce ls and stat output.
+ */
+struct ls_data {
+ /** Usual audio format handler information. */
+ struct afh_info afhi;
+ /** Audio file selector information. */
+ struct afs_info afsi;
+ /** The full path of the audio file. */
+ char *path;
+ /** The score value (if -a was given). */
+ long score;
+ /** The sha1 hash of audio file. */
+ HASH_TYPE *hash;
+};
+int make_status_items(struct ls_data *d, struct para_buffer *pb);
+void make_empty_status_items(char *buf);
+
+/** At most that many bytes will be passed from afs to para_server. */
+#define VERBOSE_LS_OUTPUT_SIZE 4096
+
+/** Data about the current audio file, passed from afs to server. */
struct audio_file_data {
- enum play_mode current_play_mode;
- char attributes_string[MAXLINE];
- char path[_POSIX_PATH_MAX];
+ /** Same info as ls -lv -p current audio_file. */
+ char verbose_ls_output[VERBOSE_LS_OUTPUT_SIZE];
+ /** The open file descriptor to the current audio file. */
int fd;
- long score;
- struct afs_info afsi;
+ /** Vss needs this for streaming. */
struct afh_info afhi;
};
enum afs_server_code {
NEXT_AUDIO_FILE,
+ NO_ADMISSIBLE_FILES,
AFD_CHANGE
};
};
/* afs */
+/**
+ * Afs command handlers run as a process which is not related to the afs
+ * process, i.e. they can not change the address space of afs directly.
+ * Therefore afs commands typically consist of two functions: The command
+ * handler and the corresponding callback function that runs in afs context.
+ *
+ * \sa send_callback_request().
+ */
typedef int callback_function(const struct osl_object *, struct osl_object *);
__noreturn void afs_init(uint32_t cookie, int socket_fd);
void afs_event(enum afs_events event, struct para_buffer *pb,
int stdin_command(int fd, struct osl_object *arg_obj, callback_function *f,
unsigned max_len, struct osl_object *result);
int string_compare(const struct osl_object *obj1, const struct osl_object *obj2);
-int close_audio_file(struct audio_file_data *afd);
int for_each_matching_row(struct pattern_match_data *pmd);
/* score */
/* aft */
void aft_init(struct afs_table *t);
int aft_get_row_of_path(const char *path, struct osl_row **row);
-int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd);
+int open_and_update_audio_file(struct osl_row *aft_row, long score,
+ struct audio_file_data *afd);
int load_afd(int shmid, struct audio_file_data *afd);
int load_afsi(struct afs_info *afsi, struct osl_object *obj);
void save_afsi(struct afs_info *afsi, struct osl_object *obj);
NUM_BLOB_COLUMNS
};
-/** Define an osl table decription for a blob table. */
+/** Define an osl table description for a blob table. */
#define DEFINE_BLOB_TABLE_DESC(table_name) \
struct osl_table_description table_name ## _table_desc = { \
.name = #table_name, \