#include "config.h"
#include <stdlib.h>
#include <assert.h>
#include <errno.h>
#include "api_handle.h"
#include "api_util.h"
#include "error_code.h"

Include dependency graph for api_handle.c:

Go to the source code of this file.

Classes
struct	bh_root_s

struct	bhifs_node_s

struct	bh_context_fe_s

struct	bh_context_be_s

struct	sh_context_be_s

Macros
#define	bhifs_node_init(n, h, b)

#define	bhifs_node_prune(n)

#define	bhifs_node_prune_and_register_root(fe, n)

#define	RR_LOCK() API_LOCK(&rr_mutex)

#define	RR_UNLOCK() API_UNLOCK(&rr_mutex)

#define	MAX_NUM_ROOTS 1024

#define	BH_RID_BITS 16

#define	BH_RID_OFFSET 48

#define	BH_RID_MASK 0xffff000000000000ULL

#define	BH_RID_FILTER(h) (0xffffULL & (h))

#define	BH_ID_BITS 48

#define	BH_ID_OFFSET 0

#define	BH_ID_MASK 0x0000ffffffffffffULL

#define	BH_ID_FILTER(h) (0xffffffffffffULL & (h))

#define	BH_MAKE(rr_, id_)

#define	BH_GET_RID(h) BH_RID_FILTER(((h)&BH_RID_MASK)>>BH_RID_OFFSET)

#define	BH_SET_RID(h, r) h = (((r)<<BH_RID_OFFSET)&BH_RID_MASK) \| ((h) & ~BH_RID_MASK)

#define	BH_GET_ID(h) BH_ID_FILTER(((h)&BH_ID_MASK)>>BH_ID_OFFSET)

#define	BH_SET_ID(h, r) h = (((r)<<BH_ID_OFFSET)&BH_ID_MASK) \| ((h) & ~BH_ID_MASK)

Typedefs
typedef struct bh_root_s	BH_ROOT

typedef struct bhifs_node_s	BHIFS_NODE

typedef struct bh_context_fe_s	bh_context_fe

typedef struct bh_context_be_s	bh_context_be

typedef struct sh_context_be_s	sh_context_be

Functions
static int	rr_next_handle (bh_provider bh, BIND_HANDLE rv)

static int	rr_lazy_init (void)

static int	bri_init_root (void)

static int	bri_alloc_root (int rrid, BH_ROOT *root)

static int	bri_access_root (int rrid, BH_ROOT **root)

static int	fe_alloc_handle (BH_INTERFACE bhifs, BH_BIND bind, BIND_HANDLE *bh)

static int	fe_destroy_handle_worker (bh_context_fe fe, BHIFS_NODE node)

static int	fe_destroy_handle (BH_INTERFACE *bhifs, BIND_HANDLE bh)

static int	fe_lookup (BH_INTERFACE bhifs, BIND_HANDLE bh, BH_BIND *bind)

static int	fe_bind_to_handle (BH_INTERFACE bhifs, BH_BIND bind, BIND_HANDLE *bh)

static int	fe_bind_get_parent (BH_INTERFACE bhifs, BH_BIND bind, BH_BIND **pbind)

static int	fe_bind_prune (BH_INTERFACE bhifs, BH_BIND bind)

static int	fe_bind_graft (BH_INTERFACE bhifs, BH_BIND bind, BH_BIND *pbind)

static int	fe_bind_get_first_child (BH_INTERFACE bhifs, BH_BIND bind, BH_BIND **pchild)

static int	fe_bind_get_next_sibling (BH_INTERFACE bhifs, BH_BIND bind, BH_BIND **psibling)

static int	fe_bind_map_worker (bh_context_fe fe, BHIFS_NODE node, bh_mapf mf, void *arg)

static int	fe_bind_map (BH_INTERFACE bhifs, BH_BIND bind, bh_mapf mf, void *arg)

static void	fe_destroy (BH_INTERFACE *bhifs)

static int	sh_comparef (void key1, void key2, int *rc)

static int	sh_hashf (void key, unsigned int rv)

static int	sh_keyf (void elem, void *rk)

static void	sh_destroy (bh_context_be *be)

static int	sh_lookup (bh_context_be be, BIND_HANDLE handle, BHIFS_NODE *node)

static int	sh_insert (bh_context_be be, BHIFS_NODE const node)

static int	sh_delete (bh_context_be be, BIND_HANDLE handle, BHIFS_NODE *node)

static int	be_create_static_hash (bh_context_be **be, int bucket_sz)

static void	rr_init_root (BH_ROOT *root, int i)

int	bh_get_rid (BIND_HANDLE bh, int *rid)

int	bh_root_acquire (int *rrid, BH_ROOT_TYPE rt)

int	bh_root_release (int rrid)

int	bh_root_lock (int rrid, BH_INTERFACE **bhifs)

int	bh_root_unlock (int rrid)

int	create_handle_context (bh_provider prov, BH_ROOT_TYPE rt, BH_INTERFACE *bhifs)

Variables
static API_MUTEX	rr_mutex = API_MUTEX_INITIALIZER

static int	rr_initialized = 0

static BH_ROOT *	rr_free_list

static BH_ROOT	Roots [MAX_NUM_ROOTS]

static int	rr_alloc_count = 0

Macro Definition Documentation

#define BH_GET_ID ( h ) BH_ID_FILTER(((h)&BH_ID_MASK)>>BH_ID_OFFSET)

Definition at line 135 of file api_handle.c.

#define BH_GET_RID ( h ) BH_RID_FILTER(((h)&BH_RID_MASK)>>BH_RID_OFFSET)

Definition at line 129 of file api_handle.c.

Referenced by bh_get_rid().

#define BH_ID_BITS 48

Definition at line 120 of file api_handle.c.

#define BH_ID_FILTER ( h ) (0xffffffffffffULL & (h))

Definition at line 123 of file api_handle.c.

#define BH_ID_MASK 0x0000ffffffffffffULL

Definition at line 122 of file api_handle.c.

#define BH_ID_OFFSET 0

Definition at line 121 of file api_handle.c.

#define BH_MAKE	(	rr_,
		id_
	)

Value:

(((BH_RID_FILTER(rr_)<< BH_RID_OFFSET) & BH_RID_MASK) | \

((BH_ID_FILTER(id_)<<BH_ID_OFFSET) & BH_ID_MASK))

BH_RID_FILTER

#define BH_RID_FILTER(h)

Definition: api_handle.c:118

BH_ID_FILTER

#define BH_ID_FILTER(h)

Definition: api_handle.c:123

BH_ID_MASK

#define BH_ID_MASK

Definition: api_handle.c:122

BH_RID_OFFSET

#define BH_RID_OFFSET

Definition: api_handle.c:116

BH_ID_OFFSET

#define BH_ID_OFFSET

Definition: api_handle.c:121

BH_RID_MASK

#define BH_RID_MASK

Definition: api_handle.c:117

Definition at line 125 of file api_handle.c.

Referenced by rr_next_handle().

#define BH_RID_BITS 16

Definition at line 115 of file api_handle.c.

#define BH_RID_FILTER ( h ) (0xffffULL & (h))

Definition at line 118 of file api_handle.c.

#define BH_RID_MASK 0xffff000000000000ULL

Definition at line 117 of file api_handle.c.

#define BH_RID_OFFSET 48

Definition at line 116 of file api_handle.c.

#define BH_SET_ID	(	h,
		r
	)	h = (((r)<<BH_ID_OFFSET)&BH_ID_MASK) \| ((h) & ~BH_ID_MASK)

Definition at line 138 of file api_handle.c.

#define BH_SET_RID	(	h,
		r
	)	h = (((r)<<BH_RID_OFFSET)&BH_RID_MASK) \| ((h) & ~BH_RID_MASK)

Definition at line 132 of file api_handle.c.

#define bhifs_node_init	(	n,
		h,
		b
	)

Value:

do { \
    dlisth_init(&(n)->head); \
    (n)->handle = (h); \
    (n)->bind = (b); \
    (b)->bptr = (n); \
    (n)->parent = NULL; \
    dlisth_init(&(n)->children); \
  } while (0)

Definition at line 59 of file api_handle.c.

Referenced by fe_alloc_handle().

#define bhifs_node_prune ( n )

Value:

do { \
    dlisth_delete((dlisth *)(n)); \
    (n)->parent = NULL; \
  } while (0)

Definition at line 69 of file api_handle.c.

Referenced by fe_bind_graft(), fe_destroy(), and fe_destroy_handle_worker().

#define bhifs_node_prune_and_register_root	(	fe,
		n
	)

Value:

do { \
    bhifs_node_prune(n); \
    dlisth_insert_after((dlisth *)(n),&(fe)->root_handles); \
  } while(0)

Definition at line 75 of file api_handle.c.

Referenced by fe_bind_prune().

#define MAX_NUM_ROOTS 1024

Definition at line 109 of file api_handle.c.

Referenced by bri_alloc_root().

#define RR_LOCK ( ) API_LOCK(&rr_mutex)

Definition at line 107 of file api_handle.c.

Referenced by bh_root_acquire(), bh_root_release(), and rr_lazy_init().

#define RR_UNLOCK ( ) API_UNLOCK(&rr_mutex)

Definition at line 108 of file api_handle.c.

Referenced by bh_root_acquire(), bh_root_release(), and rr_lazy_init().

Typedef Documentation

typedef struct bh_context_be_s bh_context_be

Definition at line 37 of file api_handle.c.

typedef struct bh_context_fe_s bh_context_fe

Definition at line 36 of file api_handle.c.

typedef struct bh_root_s BH_ROOT

Definition at line 34 of file api_handle.c.

typedef struct bhifs_node_s BHIFS_NODE

Definition at line 35 of file api_handle.c.

typedef struct sh_context_be_s sh_context_be

Definition at line 38 of file api_handle.c.

Function Documentation

static int be_create_static_hash	(	bh_context_be **	be,
		int	bucket_sz
	)

static

Definition at line 769 of file api_handle.c.

References API_MALLOC, sh_context_be_s::be, sh_context_be_s::bucket_sz, bh_context_be_s::delete, bh_context_be_s::destroy, ER_INTERFACE_NO_MORE_MEMORY, hash_destroy(), hash_new(), sh_context_be_s::ht, bh_context_be_s::insert, bh_context_be_s::lookup, NO_ERROR, NULL, sh_comparef(), sh_delete(), sh_destroy(), sh_hashf(), sh_insert(), sh_keyf(), and sh_lookup().

Referenced by create_handle_context().

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int bh_get_rid	(	BIND_HANDLE	bh,
		int *	rid
	)

Definition at line 802 of file api_handle.c.

References BH_GET_RID, ER_INTERFACE_INVALID_HANDLE, NO_ERROR, and NULL.

Referenced by ci_stmt_close().

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int bh_root_acquire	(	int *	rrid,
		BH_ROOT_TYPE	rt
	)

Definition at line 817 of file api_handle.c.

References API_LOCK, API_UNLOCK, assert, bh_root_s::bhifs, bri_alloc_root(), create_handle_context(), ER_INTERFACE_INVALID_ARGUMENT, bh_root_s::free_link, bh_root_s::mutex, NO_ERROR, NULL, rr_free_list, rr_lazy_init(), RR_LOCK, RR_UNLOCK, and bh_root_s::rrid.

Referenced by ci_create_connection_impl().

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int bh_root_lock	(	int	rrid,
		BH_INTERFACE **	bhifs
	)

Definition at line 908 of file api_handle.c.

References API_TRYLOCK, API_UNLOCK, bh_root_s::bhifs, bri_access_root(), ER_INTERFACE_GENERIC, ER_INTERFACE_HANDLE_TIMEOUT, ER_INTERFACE_INVALID_HANDLE, bh_root_s::mutex, NO_ERROR, NULL, and rr_initialized.

Referenced by ci_create_connection_impl(), and ci_stmt_close().

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int bh_root_release ( int rrid )

Definition at line 871 of file api_handle.c.

References API_LOCK, API_UNLOCK, assert, bh_root_s::bhifs, bri_access_root(), bh_interface_s::destroy, ER_INTERFACE_INVALID_HANDLE, bh_root_s::free_link, bh_root_s::mutex, NO_ERROR, NULL, rr_free_list, RR_LOCK, and RR_UNLOCK.

Referenced by ci_conn_close(), and ci_create_connection_impl().

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int bh_root_unlock ( int rrid )

Definition at line 944 of file api_handle.c.

References API_UNLOCK, bri_access_root(), ER_INTERFACE_GENERIC, bh_root_s::mutex, NO_ERROR, and rr_initialized.

Referenced by ci_create_connection_impl(), and ci_stmt_close().

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static int bri_access_root	(	int	rrid,
		BH_ROOT **	root
	)

static

Definition at line 279 of file api_handle.c.

References ER_INTERFACE_INVALID_HANDLE, NO_ERROR, rr_alloc_count, and bh_root_s::rrid.

Referenced by bh_root_lock(), bh_root_release(), and bh_root_unlock().

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static int bri_alloc_root	(	int *	rrid,
		BH_ROOT **	root
	)

static

Definition at line 260 of file api_handle.c.

References ER_INTERFACE_TOO_MANY_CONNECTION, MAX_NUM_ROOTS, NO_ERROR, rr_alloc_count, rr_init_root(), and bh_root_s::rrid.

Referenced by bh_root_acquire().

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static int bri_init_root ( void )

static

Definition at line 248 of file api_handle.c.

References NO_ERROR.

Referenced by rr_lazy_init().

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int create_handle_context	(	bh_provider *	prov,
		BH_ROOT_TYPE	rt,
		BH_INTERFACE **	bhifs
	)

Definition at line 967 of file api_handle.c.

References bh_interface_s::alloc_handle, API_MALLOC, assert, bh_context_fe_s::be, be_create_static_hash(), BH_ROOT_TYPE_EXTENDIBLE_HASH, BH_ROOT_TYPE_RB_TREE, BH_ROOT_TYPE_STATIC_HASH_1024, BH_ROOT_TYPE_STATIC_HASH_128, BH_ROOT_TYPE_STATIC_HASH_64, bh_context_fe_s::bhifs, bh_interface_s::bind_get_first_child, bh_interface_s::bind_get_next_sibling, bh_interface_s::bind_get_parent, bh_interface_s::bind_graft, bh_interface_s::bind_map, bh_interface_s::bind_prune, bh_interface_s::bind_to_handle, bh_interface_s::destroy, bh_interface_s::destroy_handle, dlisth_init, ER_INTERFACE_NO_MORE_MEMORY, ER_INTERFACE_NOT_SUPPORTED_OPERATION, fe_alloc_handle(), fe_bind_get_first_child(), fe_bind_get_next_sibling(), fe_bind_get_parent(), fe_bind_graft(), fe_bind_map(), fe_bind_prune(), fe_bind_to_handle(), fe_destroy(), fe_destroy_handle(), fe_lookup(), bh_context_fe_s::handle_provider, bh_interface_s::lookup, NO_ERROR, NULL, and bh_context_fe_s::root_handles.

Referenced by bh_root_acquire().

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static int fe_alloc_handle	(	BH_INTERFACE *	bhifs,
		BH_BIND *	bind,
		BIND_HANDLE *	bh
	)

static

Definition at line 296 of file api_handle.c.

References API_FREE, API_MALLOC, assert, bh_context_fe_s::be, bhifs_node_init, dlisth_insert_after, ER_INTERFACE_NO_MORE_MEMORY, handle, bh_context_fe_s::handle_provider, bh_context_be_s::insert, bh_provider_s::next_handle, NO_ERROR, NULL, and bh_context_fe_s::root_handles.

Referenced by create_handle_context().

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static int fe_bind_get_first_child	(	BH_INTERFACE *	bhifs,
		BH_BIND *	bind,
		BH_BIND **	pchild
	)

static

Definition at line 513 of file api_handle.c.

References assert, bhifs_node_s::bind, bh_bind_s::bptr, bhifs_node_s::children, dlisth_is_empty, dlisth_s::next, NO_ERROR, and NULL.

Referenced by create_handle_context().

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static int fe_bind_get_next_sibling	(	BH_INTERFACE *	bhifs,
		BH_BIND *	bind,
		BH_BIND **	psibling
	)

static

Definition at line 542 of file api_handle.c.

References assert, bhifs_node_s::bind, bh_bind_s::bptr, bhifs_node_s::children, bhifs_node_s::head, dlisth_s::next, NO_ERROR, NULL, and bhifs_node_s::parent.

Referenced by create_handle_context().

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static int fe_bind_get_parent	(	BH_INTERFACE *	bhifs,
		BH_BIND *	bind,
		BH_BIND **	pbind
	)

static

Definition at line 435 of file api_handle.c.

References assert, bhifs_node_s::bind, bh_bind_s::bptr, NO_ERROR, NULL, and bhifs_node_s::parent.

Referenced by create_handle_context().

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static int fe_bind_graft	(	BH_INTERFACE *	bhifs,
		BH_BIND *	bind,
		BH_BIND *	pbind
	)

static

Definition at line 484 of file api_handle.c.

References assert, bhifs_node_prune, bh_bind_s::bptr, bhifs_node_s::children, dlisth_insert_before, NO_ERROR, NULL, and bhifs_node_s::parent.

Referenced by create_handle_context().

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static int fe_bind_map	(	BH_INTERFACE *	bhifs,
		BH_BIND *	bind,
		bh_mapf	mf,
		void *	arg
	)

static

Definition at line 596 of file api_handle.c.

References assert, bh_bind_s::bptr, fe_bind_map_worker(), and NULL.

Referenced by create_handle_context().

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static int fe_bind_map_worker	(	bh_context_fe *	fe,
		BHIFS_NODE *	node,
		bh_mapf	mf,
		void *	arg
	)

static

Definition at line 572 of file api_handle.c.

References bhifs_node_s::bind, bhifs_node_s::children, dlisth_s::next, and NO_ERROR.

Referenced by fe_bind_map().

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static int fe_bind_prune	(	BH_INTERFACE *	bhifs,
		BH_BIND *	bind
	)

static

Definition at line 460 of file api_handle.c.

References assert, bh_root_s::bhifs, bhifs_node_prune_and_register_root, bh_bind_s::bptr, NO_ERROR, and NULL.

Referenced by create_handle_context().

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static int fe_bind_to_handle	(	BH_INTERFACE *	bhifs,
		BH_BIND *	bind,
		BIND_HANDLE *	bh
	)

static

Definition at line 413 of file api_handle.c.

References assert, bh_bind_s::bptr, bhifs_node_s::handle, NO_ERROR, and NULL.

Referenced by create_handle_context().

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static void fe_destroy ( BH_INTERFACE * bhifs )

static

Definition at line 612 of file api_handle.c.

References API_FREE, assert, bh_context_fe_s::be, bhifs_node_prune, bh_context_be_s::destroy, fe_destroy_handle_worker(), dlisth_s::next, NO_ERROR, NULL, and bh_context_fe_s::root_handles.

Referenced by create_handle_context().

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static int fe_destroy_handle	(	BH_INTERFACE *	bhifs,
		BIND_HANDLE	bh
	)

static

Definition at line 365 of file api_handle.c.

References assert, bh_context_fe_s::be, fe_destroy_handle_worker(), bh_context_be_s::lookup, NO_ERROR, and NULL.

Referenced by create_handle_context().

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static int fe_destroy_handle_worker	(	bh_context_fe *	fe,
		BHIFS_NODE *	node
	)

static

Definition at line 332 of file api_handle.c.

References API_FREE, assert, bh_context_fe_s::be, bhifs_node_prune, bhifs_node_s::bind, bhifs_node_s::children, bh_context_be_s::delete, dlisth_is_empty, bh_bind_s::dtor, bhifs_node_s::handle, dlisth_s::next, NO_ERROR, and NULL.

Referenced by fe_destroy(), and fe_destroy_handle().

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static int fe_lookup	(	BH_INTERFACE *	bhifs,
		BIND_HANDLE	bh,
		BH_BIND **	bind
	)

static

Definition at line 388 of file api_handle.c.

References assert, bh_context_fe_s::be, bhifs_node_s::bind, bh_context_be_s::lookup, NO_ERROR, and NULL.

Referenced by create_handle_context().

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static void rr_init_root	(	BH_ROOT *	root,
		int	i
	)

static

Definition at line 233 of file api_handle.c.

References API_MUTEX_INIT, bh_root_s::bhifs, bh_root_s::free_link, i, bh_root_s::mutex, bh_provider_s::next_handle, NULL, bh_root_s::provider, rr_next_handle(), bh_root_s::rrid, and bh_root_s::rrv.

Referenced by bri_alloc_root().

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static int rr_lazy_init ( void )

static

Definition at line 202 of file api_handle.c.

References bri_init_root(), NO_ERROR, NULL, rr_initialized, RR_LOCK, and RR_UNLOCK.

Referenced by bh_root_acquire().

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static int rr_next_handle	(	bh_provider *	bh,
		BIND_HANDLE *	rv
	)

static

Definition at line 186 of file api_handle.c.

References assert, BH_MAKE, NO_ERROR, NULL, bh_root_s::rrid, and bh_root_s::rrv.

Referenced by rr_init_root().

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static int sh_comparef	(	void *	key1,
		void *	key2,
		int *	rc
	)

static

Definition at line 645 of file api_handle.c.

References assert, NO_ERROR, and NULL.

Referenced by be_create_static_hash().

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static int sh_delete	(	bh_context_be *	be,
		BIND_HANDLE	handle,
		BHIFS_NODE **	node
	)

static

Definition at line 754 of file api_handle.c.

References assert, hash_delete(), sh_context_be_s::ht, and NULL.

Referenced by be_create_static_hash().

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static void sh_destroy ( bh_context_be * be )

static

Definition at line 703 of file api_handle.c.

References API_FREE, assert, hash_destroy(), sh_context_be_s::ht, and NULL.

Referenced by be_create_static_hash().

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static int sh_hashf	(	void *	key,
		unsigned int *	rv
	)

static

Definition at line 666 of file api_handle.c.

References assert, NO_ERROR, NULL, and p.

Referenced by be_create_static_hash().

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static int sh_insert	(	bh_context_be *	be,
		BHIFS_NODE *const	node
	)

static

Definition at line 737 of file api_handle.c.

References assert, hash_insert(), sh_context_be_s::ht, and NULL.

Referenced by be_create_static_hash().

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static int sh_keyf	(	void *	elem,
		void **	rk
	)

static

Definition at line 685 of file api_handle.c.

References assert, bhifs_node_s::handle, NO_ERROR, and NULL.

Referenced by be_create_static_hash().

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static int sh_lookup	(	bh_context_be *	be,
		BIND_HANDLE	handle,
		BHIFS_NODE **	node
	)

static

Definition at line 722 of file api_handle.c.

References assert, hash_lookup(), sh_context_be_s::ht, and NULL.

Referenced by be_create_static_hash().

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Variable Documentation

BH_ROOT Roots[MAX_NUM_ROOTS]

static

Definition at line 176 of file api_handle.c.

int rr_alloc_count = 0

static

Definition at line 177 of file api_handle.c.

Referenced by bri_access_root(), and bri_alloc_root().

BH_ROOT* rr_free_list

static

Definition at line 175 of file api_handle.c.

Referenced by bh_root_acquire(), and bh_root_release().

int rr_initialized = 0

static

Definition at line 174 of file api_handle.c.

Referenced by bh_root_lock(), bh_root_unlock(), and rr_lazy_init().

API_MUTEX rr_mutex = API_MUTEX_INITIALIZER

static

Definition at line 173 of file api_handle.c.

Classes

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

Typedef Documentation

Function Documentation

Variable Documentation