5 typedef int (*btr_command_handler
)(struct btr_node
*btrn
,
6 const char *command
, char **result
);
14 struct btr_node_description
{
16 struct btr_node
*parent
;
17 btr_command_handler handler
;
21 size_t btr_pool_size(struct btr_pool
*btrp
);
22 struct btr_pool
*btr_pool_new(const char *name
, size_t area_size
);
23 void btr_pool_free(struct btr_pool
*btrp
);
24 size_t btr_pool_get_buffer(struct btr_pool
*btrp
, char **result
);
25 void btr_pool_allocate(struct btr_pool
*btrp
, size_t size
);
26 void btr_add_output_pool(struct btr_pool
*btrp
, size_t size
,
27 struct btr_node
*btrn
);
28 size_t btr_pool_unused(struct btr_pool
*btrp
);
29 void btr_copy(const void *src
, size_t n
, struct btr_pool
*btrp
,
30 struct btr_node
*btrn
);
32 struct btr_node
*btr_new_node(struct btr_node_description
*bnd
);
33 void btr_remove_node(struct btr_node
*btrn
);
34 void btr_free_node(struct btr_node
*btrn
);
35 void btr_add_output(char *buf
, size_t size
, struct btr_node
*btrn
);
36 bool btr_no_children(struct btr_node
*btrn
);
37 size_t btr_bytes_pending(struct btr_node
*btrn
);
38 size_t btr_get_input_queue_size(struct btr_node
*btrn
);
39 bool btr_no_parent(struct btr_node
*btrn
);
40 size_t btr_next_buffer(struct btr_node
*btrn
, char **bufp
);
41 void btr_consume(struct btr_node
*btrn
, size_t numbytes
);
42 int btr_exec(struct btr_node
*btrn
, const char *command
, char **value_result
);
43 int btr_exec_up(struct btr_node
*btrn
, const char *command
, char **value_result
);
44 void btr_splice_out_node(struct btr_node
*btrn
);
45 void btr_pushdown(struct btr_node
*btrn
);
46 void *btr_context(struct btr_node
*btrn
);
47 void btr_merge(struct btr_node
*btrn
, size_t dest_size
);
48 bool btr_eof(struct btr_node
*btrn
);
49 void btr_log_tree(struct btr_node
*btrn
, int loglevel
);
50 int btr_pushdown_one(struct btr_node
*btrn
);
51 bool btr_inplace_ok(struct btr_node
*btrn
);
52 int btr_node_status(struct btr_node
*btrn
, size_t min_iqs
,
53 enum btr_node_type type
);
54 void btr_get_node_start(struct btr_node
*btrn
, struct timeval
*tv
);
55 struct btr_node
*btr_search_node(const char *name
, struct btr_node
*root
);