ubusd_id.h File Reference

#include <libubox/avl.h>
#include <stdint.h>

Go to the source code of this file.

Data Structures
struct	ubus_id

Functions
void	ubus_init_id_tree (struct avl_tree *tree)
void	ubus_init_string_tree (struct avl_tree *tree, bool dup)
bool	ubus_alloc_id (struct avl_tree *tree, struct ubus_id *id, uint32_t val)
static void	ubus_free_id (struct avl_tree *tree, struct ubus_id *id)
static struct ubus_id *	ubus_find_id (struct avl_tree *tree, uint32_t id)

Function Documentation

ubus_alloc_id()

bool ubus_alloc_id	(	struct avl_tree *	tree,
		struct ubus_id *	id,
		uint32_t	val
	)

Definition at line 53 of file ubusd_id.c.

{
        id->avl.key = &id->id;
        if (val) {
                id->id = val;
                return avl_insert(tree, &id->avl) == 0;
        }
 
        do {
                if (read(random_fd, &id->id, sizeof(id->id)) != sizeof(id->id))
                        return false;
 
                if (id->id < UBUS_SYSTEM_OBJECT_MAX)
                        continue;
        } while (avl_insert(tree, &id->avl) != 0);
 
        return true;
}

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ubus_find_id()

static struct ubus_id* ubus_find_id ( struct avl_tree *  tree, uint32_t  id  )

inlinestatic

Definition at line 34 of file ubusd_id.h.

{
        struct avl_node *avl;
 
        avl = avl_find(tree, &id);
        if (!avl)
                return NULL;
 
        return container_of(avl, struct ubus_id, avl);
}

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ubus_free_id()

static void ubus_free_id ( struct avl_tree *  tree, struct ubus_id *  id  )

inlinestatic

Definition at line 29 of file ubusd_id.h.

{
        avl_delete(tree, &id->avl);
}

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ubus_init_id_tree()

void ubus_init_id_tree

(

struct avl_tree *

tree

)

Definition at line 40 of file ubusd_id.c.

{
        if (random_fd < 0) {
                random_fd = open("/dev/urandom", O_RDONLY);
                if (random_fd < 0) {
                        perror("open");
                        exit(1);
                }
        }
 
        avl_init(tree, ubus_cmp_id, false, NULL);
}

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ubus_init_string_tree()

void ubus_init_string_tree	(	struct avl_tree *	tree,
		bool	dup
	)

Definition at line 35 of file ubusd_id.c.

{
        avl_init(tree, avl_strcmp, dup, NULL);
}

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