metadata.h File Reference

#include <grpc/support/port_platform.h>
#include <grpc/impl/codegen/log.h>
#include <grpc/grpc.h>
#include <grpc/slice.h>
#include "src/core/lib/debug/trace.h"
#include "src/core/lib/gpr/useful.h"
#include "src/core/lib/gprpp/atomic.h"
#include "src/core/lib/gprpp/sync.h"
#include "src/core/lib/slice/slice_utils.h"

Go to the source code of this file.

Data Structures
struct	grpc_mdelem_data
struct	grpc_mdelem
struct	grpc_core::UserData
class	grpc_core::StaticMetadata
class	grpc_core::RefcountedMdBase
class	grpc_core::InternedMetadata
struct	grpc_core::InternedMetadata::NoRefKey
struct	grpc_core::InternedMetadata::BucketLink
class	grpc_core::AllocatedMetadata
struct	grpc_core::AllocatedMetadata::NoRefKey

Namespaces
	grpc_core
	Internal thread interface.

Macros
#define	GRPC_MDELEM_STORAGE_INTERNED_BIT   1
#define	GRPC_MDELEM_DATA(md)   ((grpc_mdelem_data*)((md).payload & ~(uintptr_t)3))
#define	GRPC_MDELEM_STORAGE(md)    ((grpc_mdelem_data_storage)((md).payload & (uintptr_t)3))
#define	GRPC_MAKE_MDELEM(data, storage)    ((grpc_mdelem){((uintptr_t)(data)) | ((uintptr_t)storage)})
#define	GRPC_MDELEM_IS_INTERNED(md)
#define	GRPC_MDKEY(md)   (GRPC_MDELEM_DATA(md)->key)
#define	GRPC_MDVALUE(md)   (GRPC_MDELEM_DATA(md)->value)
#define	GRPC_MDISNULL(md)   (GRPC_MDELEM_DATA(md) == NULL)
#define	GRPC_MDELEM_REF(s)   grpc_mdelem_ref((s), __FILE__, __LINE__)
#define	GRPC_MDELEM_UNREF(s)   grpc_mdelem_unref((s), __FILE__, __LINE__)
#define	GRPC_MDNULL   GRPC_MAKE_MDELEM(NULL, GRPC_MDELEM_STORAGE_EXTERNAL)
#define	GRPC_MDELEM_LENGTH(e)
#define	GRPC_MDSTR_KV_HASH(k_hash, v_hash)   (GPR_ROTL((k_hash), 2) ^ (v_hash))

Typedefs
typedef struct grpc_mdelem	grpc_mdelem
typedef struct grpc_mdelem_data	grpc_mdelem_data
typedef void(*	grpc_core::destroy_user_data_func) (void *data)

Enumerations
enum	grpc_mdelem_data_storage { GRPC_MDELEM_STORAGE_EXTERNAL = 0 , GRPC_MDELEM_STORAGE_STATIC = 1 , GRPC_MDELEM_STORAGE_ALLOCATED = 2 , GRPC_MDELEM_STORAGE_INTERNED = 2 | 1 }

Functions
grpc_mdelem	grpc_mdelem_from_slices (const grpc_slice &key, const grpc_slice &value)
grpc_mdelem	grpc_mdelem_from_slices (const grpc_core::StaticMetadataSlice &key, const grpc_slice &value)
grpc_mdelem	grpc_mdelem_from_slices (const grpc_core::StaticMetadataSlice &key, const grpc_core::StaticMetadataSlice &value)
grpc_mdelem	grpc_mdelem_from_slices (const grpc_core::StaticMetadataSlice &key, const grpc_core::ManagedMemorySlice &value)
grpc_mdelem	grpc_mdelem_from_slices (const grpc_core::ManagedMemorySlice &key, const grpc_core::ManagedMemorySlice &value)
grpc_mdelem	grpc_mdelem_from_grpc_metadata (grpc_metadata *metadata)
grpc_mdelem	grpc_mdelem_create (const grpc_slice &key, const grpc_slice &value, grpc_mdelem_data *compatible_external_backing_store)
grpc_mdelem	grpc_mdelem_create (const grpc_core::StaticMetadataSlice &key, const grpc_slice &value, grpc_mdelem_data *compatible_external_backing_store)
bool	grpc_mdelem_eq (grpc_mdelem a, grpc_mdelem b)
bool	grpc_mdelem_static_value_eq (grpc_mdelem a, grpc_mdelem b_static)
bool	grpc_mdelem_both_interned_eq (grpc_mdelem a_interned, grpc_mdelem b_interned)
void *	grpc_mdelem_get_user_data (grpc_mdelem md, void(*if_destroy_func)(void *))
void *	grpc_mdelem_set_user_data (grpc_mdelem md, void(*destroy_func)(void *), void *data)
void	grpc_mdelem_trace_ref (void *md, const grpc_slice &key, const grpc_slice &value, intptr_t refcnt, const char *file, int line)
void	grpc_mdelem_trace_unref (void *md, const grpc_slice &key, const grpc_slice &value, intptr_t refcnt, const char *file, int line)
grpc_mdelem	grpc_mdelem_ref (grpc_mdelem gmd, const char *file, int line)
void	grpc_mdelem_on_final_unref (grpc_mdelem_data_storage storage, void *ptr, uint32_t hash, const char *file, int line)
void	grpc_mdelem_unref (grpc_mdelem gmd, const char *file, int line)
void	grpc_mdctx_global_init (void)
void	grpc_mdctx_global_shutdown ()
grpc_mdelem	grpc_mdelem_from_slices (const grpc_core::ManagedMemorySlice &key, const grpc_core::UnmanagedMemorySlice &value)
grpc_mdelem	grpc_mdelem_from_slices (const grpc_core::ExternallyManagedSlice &key, const grpc_core::UnmanagedMemorySlice &value)
grpc_mdelem	grpc_mdelem_from_slices (const grpc_core::StaticMetadataSlice &key, const grpc_core::UnmanagedMemorySlice &value)

Variables
grpc_core::DebugOnlyTraceFlag	grpc_trace_metadata

Macro Definition Documentation

GRPC_MAKE_MDELEM

#define GRPC_MAKE_MDELEM	(		data,
			storage
	)		((grpc_mdelem){((uintptr_t)(data)) | ((uintptr_t)storage)})

GRPC_MDELEM_DATA

#define GRPC_MDELEM_DATA

(

md

)

((grpc_mdelem_data*)((md).payload & ~(uintptr_t)3))

GRPC_MDELEM_IS_INTERNED

#define GRPC_MDELEM_IS_INTERNED

(

md

)

Value:

  ((grpc_mdelem_data_storage)((md).payload & \
                              (uintptr_t)GRPC_MDELEM_STORAGE_INTERNED_BIT))

GRPC_MDELEM_LENGTH

#define GRPC_MDELEM_LENGTH

(

e

)

Value:

  (GRPC_SLICE_LENGTH(GRPC_MDKEY((e))) + GRPC_SLICE_LENGTH(GRPC_MDVALUE((e))) + \
   32)

GRPC_MDELEM_REF

#define GRPC_MDELEM_REF

(

s

)

grpc_mdelem_ref((s), __FILE__, __LINE__)

GRPC_MDELEM_STORAGE

#define GRPC_MDELEM_STORAGE

(

md

)

((grpc_mdelem_data_storage)((md).payload & (uintptr_t)3))

GRPC_MDELEM_STORAGE_INTERNED_BIT

#define GRPC_MDELEM_STORAGE_INTERNED_BIT   1

GRPC_MDELEM_UNREF

#define GRPC_MDELEM_UNREF

(

s

)

grpc_mdelem_unref((s), __FILE__, __LINE__)

GRPC_MDISNULL

#define GRPC_MDISNULL

(

md

)

(GRPC_MDELEM_DATA(md) == NULL)

GRPC_MDKEY

#define GRPC_MDKEY

(

md

)

(GRPC_MDELEM_DATA(md)->key)

GRPC_MDNULL

#define GRPC_MDNULL   GRPC_MAKE_MDELEM(NULL, GRPC_MDELEM_STORAGE_EXTERNAL)

GRPC_MDSTR_KV_HASH

#define GRPC_MDSTR_KV_HASH	(		k_hash,
			v_hash
	)		(GPR_ROTL((k_hash), 2) ^ (v_hash))

GRPC_MDVALUE

#define GRPC_MDVALUE

(

md

)

(GRPC_MDELEM_DATA(md)->value)

Typedef Documentation

grpc_mdelem

typedef struct grpc_mdelem grpc_mdelem

grpc_mdelem_data

typedef struct grpc_mdelem_data grpc_mdelem_data

Enumeration Type Documentation

grpc_mdelem_data_storage

enum grpc_mdelem_data_storage

Enumerator
GRPC_MDELEM_STORAGE_EXTERNAL
GRPC_MDELEM_STORAGE_STATIC
GRPC_MDELEM_STORAGE_ALLOCATED
GRPC_MDELEM_STORAGE_INTERNED

Function Documentation

grpc_mdctx_global_init()

void grpc_mdctx_global_init

(

void

)

grpc_mdctx_global_shutdown()

void grpc_mdctx_global_shutdown

(

)

grpc_mdelem_both_interned_eq()

bool grpc_mdelem_both_interned_eq ( grpc_mdelem  a_interned, grpc_mdelem  b_interned  )

inline

grpc_mdelem_create() [1/2]

grpc_mdelem grpc_mdelem_create	(	const grpc_core::StaticMetadataSlice &	key,
		const grpc_slice &	value,
		grpc_mdelem_data *	compatible_external_backing_store
	)

grpc_mdelem_create() [2/2]

grpc_mdelem grpc_mdelem_create	(	const grpc_slice &	key,
		const grpc_slice &	value,
		grpc_mdelem_data *	compatible_external_backing_store
	)

grpc_mdelem_eq()

bool grpc_mdelem_eq	(	grpc_mdelem	a,
		grpc_mdelem	b
	)

grpc_mdelem_from_grpc_metadata()

grpc_mdelem grpc_mdelem_from_grpc_metadata

(

grpc_metadata *

metadata

)

grpc_mdelem_from_slices() [1/8]

grpc_mdelem grpc_mdelem_from_slices ( const grpc_core::ExternallyManagedSlice &  key, const grpc_core::UnmanagedMemorySlice &  value  )

inline

grpc_mdelem_from_slices() [2/8]

grpc_mdelem grpc_mdelem_from_slices	(	const grpc_core::ManagedMemorySlice &	key,
		const grpc_core::ManagedMemorySlice &	value
	)

grpc_mdelem_from_slices() [3/8]

grpc_mdelem grpc_mdelem_from_slices ( const grpc_core::ManagedMemorySlice &  key, const grpc_core::UnmanagedMemorySlice &  value  )

inline

grpc_mdelem_from_slices() [4/8]

grpc_mdelem grpc_mdelem_from_slices	(	const grpc_core::StaticMetadataSlice &	key,
		const grpc_core::ManagedMemorySlice &	value
	)

grpc_mdelem_from_slices() [5/8]

grpc_mdelem grpc_mdelem_from_slices	(	const grpc_core::StaticMetadataSlice &	key,
		const grpc_core::StaticMetadataSlice &	value
	)

grpc_mdelem_from_slices() [6/8]

grpc_mdelem grpc_mdelem_from_slices ( const grpc_core::StaticMetadataSlice &  key, const grpc_core::UnmanagedMemorySlice &  value  )

inline

grpc_mdelem_from_slices() [7/8]

grpc_mdelem grpc_mdelem_from_slices	(	const grpc_core::StaticMetadataSlice &	key,
		const grpc_slice &	value
	)

grpc_mdelem_from_slices() [8/8]

grpc_mdelem grpc_mdelem_from_slices	(	const grpc_slice &	key,
		const grpc_slice &	value
	)

grpc_mdelem_get_user_data()

void* grpc_mdelem_get_user_data	(	grpc_mdelem	md,
		void(*)(void *)	if_destroy_func
	)

grpc_mdelem_on_final_unref()

void grpc_mdelem_on_final_unref	(	grpc_mdelem_data_storage	storage,
		void *	ptr,
		uint32_t	hash,
		const char *	file,
		int	line
	)

grpc_mdelem_ref()

grpc_mdelem grpc_mdelem_ref ( grpc_mdelem  gmd, const char *  file, int  line  )

inline

grpc_mdelem_set_user_data()

void* grpc_mdelem_set_user_data	(	grpc_mdelem	md,
		void(*)(void *)	destroy_func,
		void *	data
	)

grpc_mdelem_static_value_eq()

bool grpc_mdelem_static_value_eq ( grpc_mdelem  a, grpc_mdelem  b_static  )

inline

grpc_mdelem_trace_ref()

void grpc_mdelem_trace_ref	(	void *	md,
		const grpc_slice &	key,
		const grpc_slice &	value,
		intptr_t	refcnt,
		const char *	file,
		int	line
	)

grpc_mdelem_trace_unref()

void grpc_mdelem_trace_unref	(	void *	md,
		const grpc_slice &	key,
		const grpc_slice &	value,
		intptr_t	refcnt,
		const char *	file,
		int	line
	)

grpc_mdelem_unref()

void grpc_mdelem_unref ( grpc_mdelem  gmd, const char *  file, int  line  )

inline

Variable Documentation

grpc_trace_metadata

grpc_core::DebugOnlyTraceFlag grpc_trace_metadata

extern