/*
- * 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;
};
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.
- */
+/** Data about the current audio file, passed from afs to server. */
struct audio_file_data {
/** Same info as ls -lv -p current audio_file. */
char verbose_ls_output[VERBOSE_LS_OUTPUT_SIZE];
};
/* 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 *);
+typedef int callback_result_handler(struct osl_object *result, void *private);
+int send_result(struct osl_object *result, void *private_result_data);
+
__noreturn void afs_init(uint32_t cookie, int socket_fd);
void afs_event(enum afs_events event, struct para_buffer *pb,
void *data);
int send_callback_request(callback_function *f, struct osl_object *query,
- struct osl_object *result);
-int send_standard_callback_request(int argc, char * const * const argv,
- callback_function *f, struct osl_object *result);
+ callback_result_handler *result_handler,
+ void *private_result_data);
int send_option_arg_callback_request(struct osl_object *options,
- int argc, char * const * const argv, callback_function *f,
- struct osl_object *result);
+ int argc, char * const * const argv, callback_function *f,
+ callback_result_handler *result_handler,
+ void *private_result_data);
+int send_standard_callback_request(int argc, char * const * const argv,
+ callback_function *f, callback_result_handler *result_handler,
+ void *private_result_data);
int stdin_command(int fd, struct osl_object *arg_obj, callback_function *f,
- unsigned max_len, struct osl_object *result);
+ unsigned max_len, callback_result_handler *result_handler,
+ void *private_result_data);
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 */
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, \