adj_delegate.h File Reference

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Data Structures
struct	adj_delegate_t_
	Adj delegate. More...
struct	adj_delegate_vft_t_
	An ADJ delegate virtual function table. More...

Macros
#define	ADJ_DELEGATE_LAST   (ADJ_DELEGATE_MIDCHAIN)

Typedefs
typedef enum adj_delegate_type_t_	adj_delegate_type_t
	A Delagate is a means to implement the Delagation design pattern; the extension of an object's functionality through the composition of, and delgation to, other objects. More...
typedef struct adj_delegate_t_	adj_delegate_t
	Adj delegate. More...
typedef void(*	adj_delegate_adj_deleted_t) (adj_delegate_t *aed)
	Indication that the adjacency has been deleted. More...
typedef u8 *(*	adj_delegate_format_t) (const adj_delegate_t *aed, u8 *s)
	Format function for the delegate. More...
typedef struct adj_delegate_vft_t_	adj_delegate_vft_t
	An ADJ delegate virtual function table. More...

Enumerations
enum	adj_delegate_type_t_ { ADJ_DELEGATE_BFD, ADJ_DELEGATE_MIDCHAIN }
	A Delagate is a means to implement the Delagation design pattern; the extension of an object's functionality through the composition of, and delgation to, other objects. More...

Functions
void	adj_delegate_remove (adj_index_t ai, adj_delegate_type_t type)
	Remove a delegate from an adjacency. More...
int	adj_delegate_add (ip_adjacency_t *adj, adj_delegate_type_t fdt, index_t adi)
	Add a delegate to an adjacency. More...
adj_delegate_t *	adj_delegate_get (const ip_adjacency_t *adj, adj_delegate_type_t type)
	Get a delegate from an adjacency. More...
void	adj_delegate_register_type (adj_delegate_type_t type, const adj_delegate_vft_t *vft)
	Register a VFT for one of the built-in types. More...
adj_delegate_type_t	adj_delegate_register_new_type (const adj_delegate_vft_t *vft)
	create a new delegate type and register a new VFT More...

Macro Definition Documentation

ADJ_DELEGATE_LAST

#define ADJ_DELEGATE_LAST   (ADJ_DELEGATE_MIDCHAIN)

Definition at line 45 of file adj_delegate.h.

Typedef Documentation

adj_delegate_adj_deleted_t

typedef void(* adj_delegate_adj_deleted_t) (adj_delegate_t *aed)

Indication that the adjacency has been deleted.

The delegate provider should free the delegate.

Definition at line 73 of file adj_delegate.h.

adj_delegate_format_t

typedef u8*(* adj_delegate_format_t) (const adj_delegate_t *aed, u8 *s)

Format function for the delegate.

Definition at line 78 of file adj_delegate.h.

adj_delegate_t

typedef struct adj_delegate_t_ adj_delegate_t

Adj delegate.

This object is attached to the adjacency.

adj_delegate_type_t

typedef enum adj_delegate_type_t_ adj_delegate_type_t

A Delagate is a means to implement the Delagation design pattern; the extension of an object's functionality through the composition of, and delgation to, other objects.

These 'other' objects are delegates. Delagates are thus attached to ADJ objects to extend their functionality. Built-in delegate types. When adding new types, if your code is within the vnet subsystem, then add a new type here. If not then use the adj_delegate_register_new_type API to register a new type.

adj_delegate_vft_t

typedef struct adj_delegate_vft_t_ adj_delegate_vft_t

An ADJ delegate virtual function table.

Enumeration Type Documentation

adj_delegate_type_t_

enum adj_delegate_type_t_

A Delagate is a means to implement the Delagation design pattern; the extension of an object's functionality through the composition of, and delgation to, other objects.

These 'other' objects are delegates. Delagates are thus attached to ADJ objects to extend their functionality. Built-in delegate types. When adding new types, if your code is within the vnet subsystem, then add a new type here. If not then use the adj_delegate_register_new_type API to register a new type.

Enumerator
ADJ_DELEGATE_BFD	BFD session state.
ADJ_DELEGATE_MIDCHAIN	Stacking of a midchain's nexthop.

Definition at line 34 of file adj_delegate.h.

Function Documentation

adj_delegate_add()

int adj_delegate_add	(	ip_adjacency_t *	adj,
		adj_delegate_type_t	fdt,
		index_t	adi
	)

Add a delegate to an adjacency.

Parameters

ai	The adjacency to add the delegate to
type	The type of delegate being added
adi	The provider's [pool] index of its attached objet

Definition at line 107 of file adj_delegate.c.

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adj_delegate_get()

adj_delegate_t* adj_delegate_get	(	const ip_adjacency_t *	adj,
		adj_delegate_type_t	type
	)

Get a delegate from an adjacency.

Parameters

ai	The adjacency to get the delegate from
type	The type of delegate being sought

Definition at line 58 of file adj_delegate.c.

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adj_delegate_register_new_type()

adj_delegate_type_t adj_delegate_register_new_type

(

const adj_delegate_vft_t *

vft

)

create a new delegate type and register a new VFT

create a new delegate type and register a new VFT

Register the function table for a new type

Definition at line 190 of file adj_delegate.c.

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adj_delegate_register_type()

void adj_delegate_register_type	(	adj_delegate_type_t	type,
		const adj_delegate_vft_t *	vft
	)

Register a VFT for one of the built-in types.

Register a VFT for one of the built-in types.

Register the function table for a given type

Definition at line 171 of file adj_delegate.c.

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adj_delegate_remove()

void adj_delegate_remove	(	adj_index_t	ai,
		adj_delegate_type_t	type
	)

Remove a delegate from an adjacency.

Parameters

ai	The adjacency to remove the delegate from
type	The type of delegate being removed

Definition at line 65 of file adj_delegate.c.

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