X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=buffer_tree.h;h=9f96ef98ab400185af088e94d0183bad431b1141;hp=18b9e8a29576ce7bd25dae68a2640add87bb14b0;hb=1d7a26dca86a639db694663738ccc01acaa88aba;hpb=34fee5954159a9598110316ae79b64f0e408b423 diff --git a/buffer_tree.h b/buffer_tree.h index 18b9e8a2..9f96ef98 100644 --- a/buffer_tree.h +++ b/buffer_tree.h @@ -1,6 +1,48 @@ struct btr_node; +struct btr_pool; -struct btr_node *btr_new_node(char *name, struct btr_node *parent); +typedef int (*btr_command_handler)(struct btr_node *btrn, + const char *command, char **result); + +enum btr_node_type { + BTR_NT_ROOT, + BTR_NT_INTERNAL, + BTR_NT_LEAF, +}; + +struct btr_pool *btr_pool_new(const char *name, size_t area_size); +void btr_pool_free(struct btr_pool *btrp); +size_t btr_pool_get_buffer(struct btr_pool *btrp, char **result); +void btr_pool_allocate(struct btr_pool *btrp, size_t size); +void btr_add_output_pool(struct btr_pool *btrp, size_t size, + struct btr_node *btrn); +size_t btr_pool_unused(struct btr_pool *btrp); +void btr_copy(const void *src, size_t n, struct btr_pool *btrp, + struct btr_node *btrn); + +struct btr_node *btr_new_node(const char *name, struct btr_node *parent, + btr_command_handler handler, void *context); +void btr_remove_node(struct btr_node *btrn); +void btr_free_node(struct btr_node *btrn); void btr_add_output(char *buf, size_t size, struct btr_node *btrn); -bool btr_is_leaf_node(struct btr_node *btrn); +bool btr_no_children(struct btr_node *btrn); +size_t btr_bytes_pending(struct btr_node *btrn); +size_t btr_get_input_queue_size(struct btr_node *btrn); +bool btr_no_parent(struct btr_node *btrn); +size_t btr_next_buffer(struct btr_node *btrn, char **bufp); +void btr_consume(struct btr_node *btrn, size_t numbytes); +int btr_exec(struct btr_node *btrn, const char *command, char **value_result); +int btr_exec_up(struct btr_node *btrn, const char *command, char **value_result); +void btr_splice_out_node(struct btr_node *btrn); +void btr_pushdown(struct btr_node *btrn); +void *btr_context(struct btr_node *btrn); +void btr_merge(struct btr_node *btrn, size_t dest_size); +bool btr_eof(struct btr_node *btrn); +void btr_log_tree(struct btr_node *btrn, int loglevel); +int btr_pushdown_one(struct btr_node *btrn); +bool btr_inplace_ok(struct btr_node *btrn); +int btr_node_status(struct btr_node *btrn, size_t min_iqs, + enum btr_node_type type); +void btr_get_node_start(struct btr_node *btrn, struct timeval *tv); +struct btr_node *btr_search_node(const char *name, struct btr_node *root);