blob.c File Reference

Macros
#define	DEFINE_BLOB_TABLE_DESC(table_name)
#define	DEFINE_BLOB_TABLE_PTR(table_name)   struct osl_table *table_name ## _table;
#define	INIT_BLOB_TABLE(table_name)
#define	DEFINE_BLOB_COMMAND(cmd_name, c_cmd_name, table_name, short_name, c_short_name)
#define	DEFINE_GET_NAME_BY_ID(table_name, cmd_prefix)
#define	DEFINE_GET_DEF_BY_NAME(table_name, cmd_prefix)
#define	DEFINE_GET_DEF_BY_ID(table_name, cmd_prefix)
#define	DEFINE_GET_NAME_AND_DEF_BY_ROW(table_name, cmd_prefix)
#define	DEFINE_BLOB_CLOSE(table_name)
#define	DEFINE_BLOB_CREATE(table_name)
#define	DEFINE_BLOB_OPEN(table_name)
#define	DEFINE_BLOB_AFS_TABLE_OPS(table_name, ehandler)
#define	DEFINE_BLOB_FUNCTIONS(table_name, short_name, c_short_name, ehandler)

Detailed Description

Macros and functions for blob handling.

Macro Definition Documentation

DEFINE_BLOB_TABLE_DESC

#define DEFINE_BLOB_TABLE_DESC

(

table_name

)

Value:

        static struct osl_table_description table_name ## _table_desc = { \
                .name = #table_name, \
                .num_columns = NUM_BLOB_COLUMNS, \
                .flags = OSL_LARGE_TABLE, \
                .column_descriptions = blob_cols \
        };

Define an osl table description for a blob table.

DEFINE_BLOB_TABLE_PTR

#define DEFINE_BLOB_TABLE_PTR

(

table_name

)

struct osl_table *table_name ## _table;

Define a pointer to an osl blob table with a canonical name.

INIT_BLOB_TABLE

#define INIT_BLOB_TABLE

(

table_name

)

Value:

        DEFINE_BLOB_TABLE_DESC(table_name); \
        DEFINE_BLOB_TABLE_PTR(table_name);

Define a blob table.

DEFINE_BLOB_COMMAND

#define DEFINE_BLOB_COMMAND	(		cmd_name,
			c_cmd_name,
			table_name,
			short_name,
			c_short_name
	)

Value:

        static int com_ ## cmd_name ## short_name ## _callback(struct afs_callback_arg *aca) \
        { \
                const struct lls_command *cmd = SERVER_CMD_CMD_PTR(c_cmd_name ## c_short_name); \
                return com_ ## cmd_name ## blob_callback(cmd, table_name ## _table, aca); \
        } \
        static int com_ ## cmd_name ## short_name(struct command_context *cc, struct lls_parse_result *lpr) \
        { \
                const struct lls_command *cmd = SERVER_CMD_CMD_PTR(c_cmd_name ## c_short_name); \
                return com_ ## cmd_name ## blob(com_ ## cmd_name ## short_name ## _callback, cmd, cc, lpr); \
        } \
        EXPORT_SERVER_CMD_HANDLER(cmd_name ## short_name);

DEFINE_GET_NAME_BY_ID

#define DEFINE_GET_NAME_BY_ID	(		table_name,
			cmd_prefix
	)

Value:

        int cmd_prefix ## _get_name_by_id(uint32_t id, char **name) \
        { \
                return blob_get_name_by_id(table_name ## _table, id, name); \
        }

Define the get_name_by_id function for this blob type.

DEFINE_GET_DEF_BY_NAME

#define DEFINE_GET_DEF_BY_NAME	(		table_name,
			cmd_prefix
	)

Value:

        int cmd_prefix ## _get_def_by_name(const char *name, struct osl_object *def) \
        { \
                return blob_get_def_by_name(table_name ## _table, name, def); \
        }

Define the get_def_by_id function for this blob type.

DEFINE_GET_DEF_BY_ID

#define DEFINE_GET_DEF_BY_ID	(		table_name,
			cmd_prefix
	)

Value:

        int cmd_prefix ## _get_def_by_id(uint32_t id, struct osl_object *def) \
        { \
                return blob_get_def_by_id(table_name ## _table, id, def); \
        }

Define the get_def_by_id function for this blob type.

DEFINE_GET_NAME_AND_DEF_BY_ROW

#define DEFINE_GET_NAME_AND_DEF_BY_ROW	(		table_name,
			cmd_prefix
	)

Value:

        int cmd_prefix ## _get_name_and_def_by_row(const struct osl_row *row, \
                char **name, struct osl_object *def) \
        { \
                return blob_get_name_and_def_by_row(table_name ## _table, \
                        row, name, def); \
        }

Define the get_name_and_def_by_row function for this blob type.

DEFINE_BLOB_CLOSE

#define DEFINE_BLOB_CLOSE

(

table_name

)

Value:

        static void table_name ## _close(void) \
        { \
                osl_close_table(table_name ## _table, OSL_MARK_CLEAN); \
                table_name ## _table = NULL; \
        }

Define the close function for this blob type.

DEFINE_BLOB_CREATE

#define DEFINE_BLOB_CREATE

(

table_name

)

Value:

        static int table_name ## _create(const char *dir) \
        { \
                table_name ## _table_desc.dir = dir; \
                return osl(osl_create_table(&table_name ## _table_desc)); \
        }

Define the create function for this blob type.

DEFINE_BLOB_OPEN

#define DEFINE_BLOB_OPEN

(

table_name

)

Value:

        static int table_name ## _open(const char *dir) \
        { \
                return blob_open(&table_name ## _table, \
                        &table_name ## _table_desc, dir); \
        }

DEFINE_BLOB_AFS_TABLE_OPS

#define DEFINE_BLOB_AFS_TABLE_OPS	(		table_name,
			ehandler
	)

Value:

        const struct afs_table_operations table_name ## _ops = { \
                .open = table_name ## _open, \
                .close = table_name ## _close, \
                .create = table_name ## _create, \
                .event_handler = ehandler, \
        };

Blob tables map integers to blobs.

DEFINE_BLOB_FUNCTIONS

#define DEFINE_BLOB_FUNCTIONS	(		table_name,
			short_name,
			c_short_name,
			ehandler
	)

Value:

        DEFINE_BLOB_OPEN(table_name) \
        DEFINE_BLOB_CLOSE(table_name) \
        DEFINE_BLOB_CREATE(table_name) \
        DEFINE_BLOB_AFS_TABLE_OPS(table_name, ehandler) \
        DEFINE_BLOB_COMMAND(ls, LS, table_name, short_name, c_short_name) \
        DEFINE_BLOB_COMMAND(cat, CAT, table_name, short_name, c_short_name) \
        DEFINE_BLOB_COMMAND(add, ADD, table_name, short_name, c_short_name) \
        DEFINE_BLOB_COMMAND(rm, RM, table_name, short_name, c_short_name) \
        DEFINE_BLOB_COMMAND(mv, MV, table_name, short_name, c_short_name) \
        DEFINE_GET_NAME_BY_ID(table_name, short_name); \
        DEFINE_GET_DEF_BY_ID(table_name, short_name); \
        DEFINE_GET_DEF_BY_NAME(table_name, short_name); \
        DEFINE_GET_NAME_AND_DEF_BY_ROW(table_name, short_name); \

Define all functions for this blob type.