XrdFfsDent.hh File Reference

#include <cstring>
#include <cstdlib>
#include <ctime>
#include <pthread.h>

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Classes
struct	XrdFfsDentnames

Functions
void	XrdFfsDent_cache_destroy ()
int	XrdFfsDent_cache_fill (char *dname, char ***dnarray, int nents)
void	XrdFfsDent_cache_init ()
int	XrdFfsDent_cache_search (char *dname, char *dentname)
void	XrdFfsDent_names_add (struct XrdFfsDentnames **p, char *name)
void	XrdFfsDent_names_del (struct XrdFfsDentnames **p)
int	XrdFfsDent_names_extract (struct XrdFfsDentnames **p, char ***dnarray)
void	XrdFfsDent_names_join (struct XrdFfsDentnames **p, struct XrdFfsDentnames **n)

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Class Documentation

XrdFfsDentnames

struct XrdFfsDentnames

Definition at line 39 of file XrdFfsDent.hh.

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Class Members
char *	name
struct XrdFfsDentnames *	next

Function Documentation

XrdFfsDent_cache_destroy()

void XrdFfsDent_cache_destroy

(

)

Definition at line 261 of file XrdFfsDent.cc.

{
    int i;
    for (i = 0; i < XrdFfsDent_NDENTCACHES; i++)
        XrdFfsDent_dentcache_free(&XrdFfsDentCaches[i]);
}

References XrdFfsDent_dentcache_free(), XrdFfsDent_NDENTCACHES, and XrdFfsDentCaches.

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XrdFfsDent_cache_fill()

int XrdFfsDent_cache_fill	(	char *	dname,
		char ***	dnarray,
		int	nents
	)

Definition at line 219 of file XrdFfsDent.cc.

{
    int i;
    pthread_mutex_lock(&XrdFfsDentCaches_mutex);
    for (i = 0; i < XrdFfsDent_NDENTCACHES; i++)
    {
        if (XrdFfsDent_dentcache_search(&XrdFfsDentCaches[i], dname, NULL) != 0)
        {
            XrdFfsDent_dentcache_free(&XrdFfsDentCaches[i]);
            XrdFfsDent_dentcache_fill(&XrdFfsDentCaches[i], dname, dnarray, nents); 
            pthread_mutex_unlock(&XrdFfsDentCaches_mutex);
            return 1;
        } 
    }
    for (i = 0; i < XrdFfsDent_NDENTCACHES; i++)
    {
        if (XrdFfsDent_dentcache_expired(&XrdFfsDentCaches[i]) || XrdFfsDent_dentcache_invalid(&XrdFfsDentCaches[i])) 
        {
            XrdFfsDent_dentcache_free(&XrdFfsDentCaches[i]);
            XrdFfsDent_dentcache_fill(&XrdFfsDentCaches[i], dname, dnarray, nents); 
            pthread_mutex_unlock(&XrdFfsDentCaches_mutex);
            return 1;
        }
    }
    pthread_mutex_unlock(&XrdFfsDentCaches_mutex);
    return 0;
}

References XrdFfsDentcache::dnarray, XrdFfsDentcache::nents, XrdFfsDent_dentcache_expired(), XrdFfsDent_dentcache_fill(), XrdFfsDent_dentcache_free(), XrdFfsDent_dentcache_invalid(), XrdFfsDent_dentcache_search(), XrdFfsDent_NDENTCACHES, XrdFfsDentCaches, and XrdFfsDentCaches_mutex.

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XrdFfsDent_cache_init()

void XrdFfsDent_cache_init

(

)

Definition at line 207 of file XrdFfsDent.cc.

{
    int i;
    for (i = 0; i < XrdFfsDent_NDENTCACHES; i++)
    {
        XrdFfsDentCaches[i].t0 = 0;
        XrdFfsDentCaches[i].nents = 0;
        XrdFfsDentCaches[i].dirname = strdup("");
        XrdFfsDentCaches[i].dnarray = NULL;
    }
}

References XrdFfsDentcache::dirname, XrdFfsDentcache::dnarray, XrdFfsDentcache::nents, XrdFfsDentcache::t0, XrdFfsDent_NDENTCACHES, and XrdFfsDentCaches.

Referenced by XrdFfsMisc_xrd_init().

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XrdFfsDent_cache_search()

int XrdFfsDent_cache_search	(	char *	dname,
		char *	dentname
	)

Definition at line 247 of file XrdFfsDent.cc.

{
    int i, rval = 0;
    pthread_mutex_lock(&XrdFfsDentCaches_mutex);
    for (i = 0; i < XrdFfsDent_NDENTCACHES; i++)
        if (XrdFfsDent_dentcache_search(&XrdFfsDentCaches[i], dname, dentname) == 1) 
        {
            rval = 1;
            break;
        }
    pthread_mutex_unlock(&XrdFfsDentCaches_mutex);
    return rval;
}

References XrdFfsDent_dentcache_search(), XrdFfsDent_NDENTCACHES, XrdFfsDentCaches, and XrdFfsDentCaches_mutex.

Referenced by XrdFfsPosix_statall().

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XrdFfsDent_names_add()

void XrdFfsDent_names_add	(	struct XrdFfsDentnames **	p,
		char *	name
	)

Definition at line 56 of file XrdFfsDent.cc.

{
    struct XrdFfsDentnames *n = (struct XrdFfsDentnames*)malloc(sizeof(struct XrdFfsDentnames));
    n->name = strdup(name);
 
    n->next = *p;
    *p = n;
    return; 
}

References XrdFfsDentnames::name, and XrdFfsDentnames::next.

Referenced by XrdFfsPosix_x_readdirall().

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XrdFfsDent_names_del()

void XrdFfsDent_names_del

(

struct XrdFfsDentnames **

p

)

Definition at line 49 of file XrdFfsDent.cc.

{
    (*p)->name = NULL;
    (*p)->next = NULL;
    free(*p);
} 

Referenced by XrdFfsDent_names_extract().

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XrdFfsDent_names_extract()

int XrdFfsDent_names_extract	(	struct XrdFfsDentnames **	p,
		char ***	dnarray
	)

Definition at line 100 of file XrdFfsDent.cc.

{
    struct XrdFfsDentnames *x, *y;
    int i = 0;
 
    y = *p; 
    while (y != NULL) 
    {
        i++;
        y = y->next;
    }
    /* be careful, old dnarray is lost */
    *dnarray = (char**) malloc(sizeof(char*) * i);
 
    x = *p;
    y = *p; 
    i = 0;
    while (y != NULL) 
    {
        (*dnarray)[i++] = y->name;
        y = y->next;
        XrdFfsDent_names_del(&x);
        x = y;
    }
 
    qsort((*dnarray), i, sizeof(char*), XrdFfsDent_cstr_cmp);
    *p = NULL;
    return i;
}

References XrdFfsDentnames::name, XrdFfsDentnames::next, XrdFfsDent_cstr_cmp(), and XrdFfsDent_names_del().

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XrdFfsDent_names_join()

void XrdFfsDent_names_join	(	struct XrdFfsDentnames **	p,
		struct XrdFfsDentnames **	n
	)

Definition at line 78 of file XrdFfsDent.cc.

{
    struct XrdFfsDentnames *t, *l = 0;
 
    if ( *p != NULL )
    {
        t = *p;
        while ( t != NULL ) 
        {
            l = t;
            t = t->next;
        }
        l->next = *n;
    }
    else
        *p = *n;
}

References XrdFfsDentnames::next.