#include "inet.h"
#include "crypto.h"
#include "endianness.h"
#include "llist.c"

Include dependency graph for snsd_cache.h:

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Data Structures
struct	snsd_node

struct	snsd_prio

struct	snsd_service

struct	snsd_node_llist_hdr

struct	snsd_prio_llist_hdr

struct	snsd_service_llist_hdr

Macros
#define	SNSD_MAX_RECORDS

#define	SNSD_MAX_QUEUE_RECORDS

#define	SNSD_MAX_REC_SERV 16 /* Maximum records per service */

#define	SNSD_ALL_SERVICE

#define	SNSD_DEFAULT_SERVICE 0

#define	SNSD_DEFAULT_PROTO 1 /* tcp */

#define	SNSD_DEFAULT_PRIO 16

#define	SNSD_DEFAULT_WEIGHT 1

#define	SNSD_WEIGHT(x)

#define	MAX_SNSD_LINE_SZ (ANDNA_MAX_HNAME_LEN*4)

#define	MAX_SNSD_FIELDS 6

#define	MIN_SNSD_FIELDS 5

#define	SNSD_NODE_HNAME

#define	SNSD_NODE_IP

#define	SNSD_NODE_MAIN_IP

#define	SNSD_NODE_PACK_SZ (MAX_IP_SZ+sizeof(char)*2)

#define	SNSD_PRIO_PACK_SZ (sizeof(char))

#define	SNSD_SERVICE_PACK_SZ (sizeof(u_short)+sizeof(u_char))

#define	SNSD_NODE_LLIST_PACK_SZ(head)

#define	SNSD_PRIO_LLIST_PACK_SZ(head)

#define	SNSD_SERVICE_LLIST_PACK_SZ(head)

#define	SNSD_SERVICE_SINGLE_PACK_SZ(head)

#define	SNSD_SERVICE_MAX_PACK_SZ

#define	SNSD_SERVICE_MAX_LLIST_PACK_SZ

Typedefs
typedef struct snsd_node	snsd_node

typedef struct snsd_prio	snsd_prio

typedef struct snsd_service	snsd_service

Functions
void	snsd_cache_init (int family)

u_char	str_to_snsd_proto (char *proto_name)

const char *	snsd_proto_to_str (u_char proto)

int	str_to_snsd_service (char str, int service, u_char *proto)

struct servent *	snsd_service_to_str (int service, u_char proto, char service_str, char proto_str)

snsd_service *	snsd_find_service (snsd_service *sns, u_short service, u_char proto)

snsd_service *	snsd_add_service (snsd_service **head, u_short service, u_char proto)

snsd_prio *	snsd_find_prio (snsd_prio *snp, u_char prio)

snsd_prio *	snsd_add_prio (snsd_prio **head, u_char prio)

snsd_node *	snsd_find_node_by_record (snsd_node *snd, u_int record[4])

snsd_node *	snsd_add_node (snsd_node *head, u_short counter, u_short max_records, u_int record[4])

snsd_node *	snsd_add_mainip (snsd_service *head, u_short counter, u_short max_records, u_int record[4])

void	snsd_service_llist_del (snsd_service **head)

void	snsd_record_del_selected (snsd_service *head, u_short snd_counter, snsd_service *selected)

int	snsd_pack_service (char pack, size_t free_sz, snsd_service service)

snsd_service *	snsd_unpack_service (char pack, size_t pack_sz, size_t unpacked_sz, u_short *nodes_counter)

int	snsd_pack_all_services (char pack, size_t pack_sz, snsd_service head)

snsd_service *	snsd_unpack_all_service (char pack, size_t pack_sz, size_t unpacked_sz, u_short *nodes_counter)

snsd_node *	snsd_choose_wrand (snsd_node *head)

snsd_prio *	snsd_highest_prio (snsd_prio *head)

snsd_node *	snsd_find_mainip (snsd_service *sns)

void	snsd_unset_all_flags (snsd_service *sns, u_char flag)

snsd_service *	snsd_service_llist_copy (snsd_service *sns, int service, u_char proto)

void	snsd_merge_node (snsd_node *head, u_short snsd_counter, snsd_node *new)

void	snsd_node_llist_merge (snsd_node *dst, u_short snsd_counter, snsd_node *src)

void	snsd_merge_prio (snsd_prio *head, u_short snsd_counter, snsd_prio *new)

void	snsd_prio_llist_merge (snsd_prio *dst, u_short snsd_counter, snsd_prio *src)

void	snsd_merge_service (snsd_service *head, u_short snsd_counter, snsd_service *new)

void	snsd_service_llist_merge (snsd_service *dst, u_short snsd_counter, snsd_service *src)

int	snsd_count_nodes (snsd_node *head)

int	snsd_count_prio_nodes (snsd_prio *head)

int	snsd_count_service_nodes (snsd_service *head)

Variables
struct snsd_node_llist_hdr	_PACKED_

static const int_info	snsd_node_llist_hdr_iinfo = { 1, { (1<<1) }, { 0 }, { 1 } }

static const int_info	snsd_prio_llist_hdr_iinfo = { 1, { (1<<1) }, { 0 }, { 1 } }

static const int_info	snsd_service_llist_hdr_iinfo = { 1, { (1<<1) }, { 0 }, { 1 } }

static const char	proto_str [][5]

Macro Definition Documentation

#define MAX_SNSD_FIELDS 6

#define MAX_SNSD_LINE_SZ (ANDNA_MAX_HNAME_LEN*4)

#define MIN_SNSD_FIELDS 5

#define SNSD_ALL_SERVICE

Value:

(-1)    /* A service number equal to -1
                           refers to all the available
                           services */

#define SNSD_DEFAULT_PRIO 16

#define SNSD_DEFAULT_PROTO 1 /* tcp */

#define SNSD_DEFAULT_SERVICE 0

#define SNSD_DEFAULT_WEIGHT 1

#define SNSD_MAX_QUEUE_RECORDS

Value:

1 /* There can be only one snsd

record for the queued hnames */

#define SNSD_MAX_REC_SERV 16 /* Maximum records per service */

#define SNSD_MAX_RECORDS

Value:

256 /* Number of maximum SNSD records
                           which can be stored in an
                           andna_cache */

#define SNSD_NODE_HNAME

Value:

1 /* A hname is associated in the

snsd record */

#define SNSD_NODE_IP

Value:

(1<<1) /* An IP is associated in the

snsd record */

#define SNSD_NODE_LLIST_PACK_SZ ( head )

Value:

(list_count((head))*SNSD_NODE_PACK_SZ \

+ sizeof(struct snsd_node_llist_hdr))

snsd_node_llist_hdr

Definition: snsd_cache.h:145

list_count

#define list_count(_head)

Definition: llist.c:379

SNSD_NODE_PACK_SZ

#define SNSD_NODE_PACK_SZ

Definition: snsd_cache.h:112

#define SNSD_NODE_MAIN_IP

Value:

(1<<2)  /* This is the first IP registered 
                           to the hname, it can't be
                           deleted */

#define SNSD_NODE_PACK_SZ (MAX_IP_SZ+sizeof(char)*2)

#define SNSD_PRIO_LLIST_PACK_SZ ( head )

Value:

({                                  \
	snsd_prio *_p=(head);                      \
    int _priosz=0;                          \
									\
	list_for(_p) {                         \
        _priosz+=SNSD_NODE_LLIST_PACK_SZ(_p->node);     \
        _priosz+=SNSD_PRIO_PACK_SZ;             \
    }                               \
    _priosz+=sizeof(struct snsd_prio_llist_hdr);            \
    _priosz;                            \
})

#define SNSD_PRIO_PACK_SZ (sizeof(char))

#define SNSD_SERVICE_LLIST_PACK_SZ ( head )

Value:

({                                  \
	snsd_service *_s=(head);                   \
    int _srvsz=0;                           \
    if(_s) {                            \
		 list_for(_s) {                       \
             _srvsz+=SNSD_PRIO_LLIST_PACK_SZ(_s->prio); \
             _srvsz+=SNSD_SERVICE_PACK_SZ;          \
         }                          \
         _srvsz+=sizeof(struct snsd_service_llist_hdr);     \
     }                              \
    _srvsz;                             \
})

#define SNSD_SERVICE_MAX_LLIST_PACK_SZ

Value:

((  SNSD_NODE_PACK_SZ + SNSD_PRIO_PACK_SZ + SNSD_SERVICE_PACK_SZ +  \
        sizeof(struct snsd_prio_llist_hdr))*SNSD_MAX_RECORDS +  \
        sizeof(struct snsd_service_llist_hdr)               \
)

#define SNSD_SERVICE_MAX_PACK_SZ

Value:

(   ( (SNSD_NODE_PACK_SZ + SNSD_PRIO_PACK_SZ) *             \
            (SNSD_MAX_REC_SERV)         ) +         \
    SNSD_SERVICE_PACK_SZ                  +     \
    sizeof(struct snsd_prio_llist_hdr)        +     \
    sizeof(struct snsd_service_llist_hdr)               \
)

#define SNSD_SERVICE_PACK_SZ (sizeof(u_short)+sizeof(u_char))

#define SNSD_SERVICE_SINGLE_PACK_SZ ( head )

Value:

({  SNSD_SERVICE_PACK_SZ +                      \
		SNSD_PRIO_LLIST_PACK_SZ((head)->prio);            \
})

#define SNSD_WEIGHT ( x )

Value:

((x) & 0x7f) /* The snsd weight has to

be <= 127 */

Typedef Documentation

typedef struct snsd_node snsd_node

typedef struct snsd_prio snsd_prio

typedef struct snsd_service snsd_service

Function Documentation

snsd_node* snsd_add_mainip	(	snsd_service **	head,
		u_short *	counter,
		u_short	max_records,
		u_int	record[4]
	)

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snsd_node* snsd_add_node	(	snsd_node **	head,
		u_short *	counter,
		u_short	max_records,
		u_int	record[4]
	)

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snsd_prio* snsd_add_prio	(	snsd_prio **	head,
		u_char	prio
	)

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snsd_service* snsd_add_service	(	snsd_service **	head,
		u_short	service,
		u_char	proto
	)

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void snsd_cache_init ( int family )

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snsd_node* snsd_choose_wrand ( snsd_node * head )

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int snsd_count_nodes ( snsd_node * head )

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int snsd_count_prio_nodes ( snsd_prio * head )

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int snsd_count_service_nodes ( snsd_service * head )

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snsd_node* snsd_find_mainip ( snsd_service * sns )

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snsd_node* snsd_find_node_by_record	(	snsd_node *	snd,
		u_int	record[4]
	)

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snsd_prio* snsd_find_prio	(	snsd_prio *	snp,
		u_char	prio
	)

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snsd_service* snsd_find_service	(	snsd_service *	sns,
		u_short	service,
		u_char	proto
	)

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snsd_prio* snsd_highest_prio ( snsd_prio * head )

void snsd_merge_node	(	snsd_node **	head,
		u_short *	snsd_counter,
		snsd_node *	new
	)

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void snsd_merge_prio	(	snsd_prio **	head,
		u_short *	snsd_counter,
		snsd_prio *	new
	)

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void snsd_merge_service	(	snsd_service **	head,
		u_short *	snsd_counter,
		snsd_service *	new
	)

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void snsd_node_llist_merge	(	snsd_node **	dst,
		u_short *	snsd_counter,
		snsd_node *	src
	)

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int snsd_pack_all_services	(	char *	pack,
		size_t	pack_sz,
		snsd_service *	head
	)

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int snsd_pack_service	(	char *	pack,
		size_t	free_sz,
		snsd_service *	service
	)

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void snsd_prio_llist_merge	(	snsd_prio **	dst,
		u_short *	snsd_counter,
		snsd_prio *	src
	)

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const char* snsd_proto_to_str ( u_char proto )

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void snsd_record_del_selected	(	snsd_service **	head,
		u_short *	snd_counter,
		snsd_service *	selected
	)

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snsd_service* snsd_service_llist_copy	(	snsd_service *	sns,
		int	service,
		u_char	proto
	)

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void snsd_service_llist_del ( snsd_service ** head )

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void snsd_service_llist_merge	(	snsd_service **	dst,
		u_short *	snsd_counter,
		snsd_service *	src
	)

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struct servent* snsd_service_to_str	(	int	service,
		u_char	proto,
		char **	service_str,
		char **	proto_str
	)

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snsd_service* snsd_unpack_all_service	(	char *	pack,
		size_t	pack_sz,
		size_t *	unpacked_sz,
		u_short *	nodes_counter
	)

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snsd_service* snsd_unpack_service	(	char *	pack,
		size_t	pack_sz,
		size_t *	unpacked_sz,
		u_short *	nodes_counter
	)

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void snsd_unset_all_flags	(	snsd_service *	sns,
		u_char	flag
	)

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u_char str_to_snsd_proto ( char * proto_name )

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int str_to_snsd_service	(	char *	str,
		int *	service,
		u_char *	proto
	)

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Variable Documentation

struct snsd_service_llist_hdr _PACKED_

const char proto_str[][5]

static

Initial value:

=
{
    { "tcp" },
    { "udp" },
    { 0 },
}

const int_info snsd_node_llist_hdr_iinfo = { 1, { (1<<1) }, { 0 }, { 1 } }

static

const int_info snsd_prio_llist_hdr_iinfo = { 1, { (1<<1) }, { 0 }, { 1 } }

static

const int_info snsd_service_llist_hdr_iinfo = { 1, { (1<<1) }, { 0 }, { 1 } }

static

Data Structures

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

Typedef Documentation

Function Documentation

Variable Documentation