#include <sys/types.h>
#include <sys/param.h>
#include "ganesha_rpc.h"
#include <dirent.h>
#include <netdb.h>
#include "HashData.h"
#include "HashTable.h"

Classes
struct	nfs_ip_name__
struct	nfs_ip_stats__
Defines
#define	IP_NAME_SUCCESS 0
#define	IP_NAME_INSERT_MALLOC_ERROR 1
#define	IP_NAME_NOT_FOUND 2
#define	IP_NAME_NETDB_ERROR 3
#define	IP_STATS_SUCCESS 0
#define	IP_STATS_INSERT_MALLOC_ERROR 1
#define	IP_STATS_NOT_FOUND 2
#define	IP_STATS_NETDB_ERROR 3
#define	IP_NAME_PREALLOC_SIZE 200
Typedefs
typedef struct nfs_ip_name__	nfs_ip_name_t
typedef struct nfs_ip_stats__	nfs_ip_stats_t
Functions
int	nfs_ip_name_get (sockaddr_t ipaddr, char hostname)
int	nfs_ip_name_add (sockaddr_t ipaddr, char hostname)
int	nfs_ip_name_remove (sockaddr_t *ipaddr)
int	nfs_ip_stats_add (hash_table_t ht_ip_stats, sockaddr_t ipaddr, pool_t *ip_stats_pool)
int	nfs_ip_stats_incr (hash_table_t ht_ip_stats, sockaddr_t ipaddr, unsigned int nfs_prog, unsigned int mnt_prog, struct svc_req *ptr_req)
int	nfs_ip_stats_get (hash_table_t ht_ip_stats, sockaddr_t ipaddr, nfs_ip_stats_t **pnfs_ip_stats)
int	nfs_ip_stats_remove (hash_table_t ht_ip_stats, sockaddr_t ipaddr, pool_t *ip_stats_pool)
void	nfs_ip_stats_dump (hash_table_t *ht_ip_stats, unsigned int nb_worker, char path_stat)
void	nfs_ip_name_get_stats (hash_stat_t *phstat)
int	nfs_ip_name_populate (char *path)
int	display_ip_name_key (hash_buffer_t pbuff, char str)
int	display_ip_name_val (hash_buffer_t pbuff, char str)
int	compare_ip_name (hash_buffer_t buff1, hash_buffer_t buff2)
uint64_t	ip_name_rbt_hash_func (hash_parameter_t p_hparam, hash_buffer_t buffclef)
uint32_t	ip_name_value_hash_func (hash_parameter_t p_hparam, hash_buffer_t buffclef)
int	display_ip_stats_key (hash_buffer_t pbuff, char str)
int	display_ip_stats_val (hash_buffer_t pbuff, char str)
int	compare_ip_stats (hash_buffer_t buff1, hash_buffer_t buff2)
uint64_t	ip_stats_rbt_hash_func (hash_parameter_t p_hparam, hash_buffer_t buffclef)
uint32_t	ip_stats_value_hash_func (hash_parameter_t p_hparam, hash_buffer_t buffclef)

Define Documentation

#define IP_NAME_INSERT_MALLOC_ERROR 1

Definition at line 15 of file nfs_ip_stats.h.

#define IP_NAME_NETDB_ERROR 3

Definition at line 17 of file nfs_ip_stats.h.

#define IP_NAME_NOT_FOUND 2

Definition at line 16 of file nfs_ip_stats.h.

#define IP_NAME_PREALLOC_SIZE 200

Definition at line 25 of file nfs_ip_stats.h.

#define IP_NAME_SUCCESS 0

Definition at line 14 of file nfs_ip_stats.h.

#define IP_STATS_INSERT_MALLOC_ERROR 1

Definition at line 21 of file nfs_ip_stats.h.

#define IP_STATS_NETDB_ERROR 3

Definition at line 23 of file nfs_ip_stats.h.

#define IP_STATS_NOT_FOUND 2

Definition at line 22 of file nfs_ip_stats.h.

#define IP_STATS_SUCCESS 0

Definition at line 20 of file nfs_ip_stats.h.

Typedef Documentation

typedef struct nfs_ip_name__ nfs_ip_name_t

typedef struct nfs_ip_stats__ nfs_ip_stats_t

Function Documentation

int compare_ip_name	(	hash_buffer_t *	buff1,
		hash_buffer_t *	buff2
	)

compare_ip_name: compares the ip address stored in the key buffers.

compare the ip address stored in the key buffers. This function is to be used as 'compare_key' field in the hashtable storing the nfs duplicated requests.

Parameters:

buff1	[IN] first key
buff2	[IN] second key

Returns:: 0 if keys are identifical, 1 if they are different.

Definition at line 115 of file nfs_ip_name.c.

int compare_ip_stats	(	hash_buffer_t *	buff1,
		hash_buffer_t *	buff2
	)

compare_ip_stats: compares the ip address stored in the key buffers.

compare the ip address stored in the key buffers. This function is to be used as 'compare_key' field in the hashtable storing the nfs duplicated requests.

Parameters:

buff1	[IN] first key
buff2	[IN] second key

Returns:: 0 if keys are identifical, 1 if they are different.

Definition at line 123 of file nfs_ip_stats.c.

int display_ip_name_key	(	hash_buffer_t *	pbuff,
		char *	str
	)

display_ip_name_key: displays the ip_name stored in the buffer.

displays the ip_name key stored in the buffer. This function is to be used as 'key_to_str' field.

Parameters:

buff1	[IN] buffer to display
buff2	[OUT] output string

Returns:: number of character written.

Definition at line 132 of file nfs_ip_name.c.

int display_ip_name_val	(	hash_buffer_t *	pbuff,
		char *	str
	)

display_ip_name_vale: displays the ip_name stored in the buffer.

displays the ip_name value stored in the buffer. This function is to be used as 'val_to_str' field.

Parameters:

buff1	[IN] buffer to display
buff2	[OUT] output string

Returns:: number of character written.

Definition at line 152 of file nfs_ip_name.c.

int display_ip_stats_key	(	hash_buffer_t *	pbuff,
		char *	str
	)

display_ip_stats_key: displays the ip_stats stored in the buffer.

displays the ip_stats key stored in the buffer. This function is to be used as 'key_to_str' field.

Parameters:

buff1	[IN] buffer to display
buff2	[OUT] output string

Returns:: number of character written.

Definition at line 140 of file nfs_ip_stats.c.

int display_ip_stats_val	(	hash_buffer_t *	pbuff,
		char *	str
	)

display_ip_stats_val: displays the ip_stats stored in the buffer.

displays the ip_stats stored in the buffer. This function is to be used as 'val_to_str' field.

Parameters:

buff1	[IN] buffer to display
buff2	[OUT] output string

Returns:: number of character written.

Definition at line 160 of file nfs_ip_stats.c.

uint64_t ip_name_rbt_hash_func	(	hash_parameter_t *	p_hparam,
		hash_buffer_t *	buffclef
	)

ip_name_rbt_hash_func: computes the rbt value for the entry in IP/name cache.

Computes the rbt value for the entry in IP/name cache. This function is called internal in the HasTable_* function

Parameters:

hparam	[IN] hash table parameter.
buffcleff[in]	pointer to the hash key buffer

Returns:: the computed rbt value.

See also:: HashTable_Init

Definition at line 96 of file nfs_ip_name.c.

uint32_t ip_name_value_hash_func	(	hash_parameter_t *	p_hparam,
		hash_buffer_t *	buffclef
	)

ip_name_rbt_hash_func: computes the hash value for the entry in IP/name cache.

Computes the hash value for the entry in IP/name cache. This function is called internal in the HasTable_* function

Parameters:

hparam	[IN] hash table parameter.
buffcleff[in]	pointer to the hash key buffer

Returns:: the computed hash value.

See also:: HashTable_Init

Definition at line 75 of file nfs_ip_name.c.

uint64_t ip_stats_rbt_hash_func	(	hash_parameter_t *	p_hparam,
		hash_buffer_t *	buffclef
	)

ip_stats_rbt_hash_func: computes the rbt value for the entry in IP stats cache.

Computes the rbt value for the entry in IP stats cache. This function is called internal in the HasTable_* function

Parameters:

hparam	[IN] hash table parameter.
buffcleff[in]	pointer to the hash key buffer

Returns:: the computed rbt value.

See also:: HashTable_Init

Definition at line 104 of file nfs_ip_stats.c.

uint32_t ip_stats_value_hash_func	(	hash_parameter_t *	p_hparam,
		hash_buffer_t *	buffclef
	)

ip_stats_rbt_hash_func: computes the hash value for the entry in IP stats cache.

Computes the hash value for the entry in IP stats cache. This function is called internal in the HasTable_* function

Parameters:

hparam	[IN] hash table parameter.
buffcleff[in]	pointer to the hash key buffer

Returns:: the computed hash value.

See also:: HashTable_Init

Definition at line 83 of file nfs_ip_stats.c.

int nfs_ip_name_add	(	sockaddr_t *	ipaddr,
		char *	hostname
	)

nfs_ip_name_add: adds an entry in the duplicate requests cache.

Adds an entry in the duplicate requests cache.

Parameters:

ipaddr	[IN] the ipaddr to be used as key
hostname	[IN] the hostname added (found by using gethostbyaddr)

Returns:: IP_NAME_SUCCESS if successfull
.; IP_NAME_INSERT_MALLOC_ERROR if an error occured during the insertion process; IP_NAME_NETDB_ERROR if an error occured during the netdb query (via gethostbyaddr).

Definition at line 174 of file nfs_ip_name.c.

int nfs_ip_name_get	(	sockaddr_t *	ipaddr,
		char *	hostname
	)

nfs_ip_name_get: Tries to get an entry for ip_name cache.

Tries to get an entry for ip_name cache.

Parameters:

ipaddr	[IN] the ip address requested
hostname	[OUT] the hostname

Returns:: the result previously set if *pstatus == IP_NAME_SUCCESS

Definition at line 265 of file nfs_ip_name.c.

void nfs_ip_name_get_stats ( hash_stat_t * phstat )

nfs_ip_name_get_stats: gets the hash table statistics for the IP_NAME Table.

Gets the hash table statistics for the IP_NAME Table.

Parameters:

phstat [OUT] pointer to the resulting stats.

Returns:: nothing (void function)

See also:: HashTable_GetStats

Definition at line 476 of file nfs_ip_name.c.

int nfs_ip_name_populate ( char * path )

Definition at line 362 of file nfs_ip_name.c.

int nfs_ip_name_remove ( sockaddr_t * ipaddr )

nfs_ip_name_remove: Tries to remove an entry for ip_name cache

Tries to remove an entry for ip_name cache.

Parameters:

ipaddr [IN] the ip address to be uncached.

Returns:: the result previously set if *pstatus == IP_NAME_SUCCESS

Definition at line 307 of file nfs_ip_name.c.

int nfs_ip_stats_add	(	hash_table_t *	ht_ip_stats,
		sockaddr_t *	ipaddr,
		pool_t *	ip_stats_pool
	)

nfs_ip_stats_add: adds an entry in the duplicate requests cache.

Adds an entry in the duplicate requests cache.

Parameters:

ipaddr	[IN] the ipaddr to be used as key
ip_stats_pool	[INOUT] values pool for hash table

Returns:: IP_STATS_SUCCESS if successfull
.; IP_STATS_INSERT_MALLOC_ERROR if an error occured during the insertion process; IP_STATS_NETDB_ERROR if an error occured during the netdb query (via gethostbyaddr).

Definition at line 189 of file nfs_ip_stats.c.

void nfs_ip_stats_dump	(	hash_table_t **	ht_ip_stats,
		unsigned int	nb_worker,
		char *	path_stat
	)

nfs_ip_stats_dump: Dumps the IP Stats for each client to a file per client

Parameters:

ht_ip_stats	[IN] hash table to be dumped
path_stat	[IN] pattern used to build path used for dumping stats

Returns:: nothing (void function).

Definition at line 433 of file nfs_ip_stats.c.

int nfs_ip_stats_get	(	hash_table_t *	ht_ip_stats,
		sockaddr_t *	ipaddr,
		nfs_ip_stats_t **	g
	)

nfs_ip_stats_get: gets the stats value.

gets the stats value.

Parameters:

ipaddr [IN] the ip address requested

Returns:: the computed number of call for this ipaddr. Negative value is a failure

Definition at line 332 of file nfs_ip_stats.c.

int nfs_ip_stats_incr	(	hash_table_t *	ht_ip_stats,
		sockaddr_t *	ipaddr,
		unsigned int	nfs_prog,
		unsigned int	mnt_prog,
		struct svc_req *	ptr_req
	)

nfs_ip_stats_incr: increments the stats value.

increments the stats value.

Parameters:

ipaddr [IN] the ip address requested

Returns:: the computed number of call for this ipaddr. Negative value is a failure

Definition at line 254 of file nfs_ip_stats.c.

int nfs_ip_stats_remove	(	hash_table_t *	ht_ip_stats,
		sockaddr_t *	ipaddr,
		pool_t *	ip_stats_pool
	)

nfs_ip_stats_remove: Tries to remove an entry for ip_stats cache

Tries to remove an entry for ip_stats cache.

Parameters:

ipaddr	[IN] the ip address to be uncached.
ip_stats_pool	[INOUT] values pool for hash table

Returns:: the result previously set if *pstatus == IP_STATS_SUCCESS

Definition at line 371 of file nfs_ip_stats.c.

nfs_ip_stats.h File Reference

Classes

Defines

Typedefs

Functions

Define Documentation

Typedef Documentation

Function Documentation