refactor connection handling

This commit is contained in:
Pierangelo Masarati 2009-08-19 16:45:15 +00:00
parent bdec7702d7
commit 69878f43c8
6 changed files with 133 additions and 47 deletions

View File

@ -61,8 +61,8 @@ enum {
LDAP_BACK_PCONN_LAST
};
typedef struct ldapconn_t {
Connection *lc_conn;
typedef struct ldapconn_base_t {
Connection *lcb_conn;
#define LDAP_BACK_CONN2PRIV(lc) ((unsigned long)(lc)->lc_conn)
#define LDAP_BACK_PCONN_ISPRIV(lc) (((void *)(lc)->lc_conn) >= ((void *)LDAP_BACK_PCONN_FIRST) \
&& ((void *)(lc)->lc_conn) < ((void *)LDAP_BACK_PCONN_LAST))
@ -94,10 +94,22 @@ typedef struct ldapconn_t {
(BER_BVISEMPTY(&(op)->o_ndn) ? \
LDAP_BACK_PCONN_ANON_SET((lc), (op)) : LDAP_BACK_PCONN_ROOTDN_SET((lc), (op)))
LDAP *lc_ld;
struct berval lc_cred;
struct berval lc_bound_ndn;
struct berval lc_local_ndn;
struct berval lcb_local_ndn;
unsigned lcb_refcnt;
time_t lcb_create_time;
time_t lcb_time;
} ldapconn_base_t;
typedef struct ldapconn_t {
ldapconn_base_t lc_base;
#define lc_conn lc_base.lcb_conn
#define lc_local_ndn lc_base.lcb_local_ndn
#define lc_refcnt lc_base.lcb_refcnt
#define lc_create_time lc_base.lcb_create_time
#define lc_time lc_base.lcb_time
LDAP_TAILQ_ENTRY(ldapconn_t) lc_q;
unsigned lc_lcflags;
#define LDAP_BACK_CONN_ISSET_F(fp,f) (*(fp) & (f))
#define LDAP_BACK_CONN_SET_F(fp,f) (*(fp) |= (f))
@ -162,12 +174,10 @@ typedef struct ldapconn_t {
#define LDAP_BACK_CONN_CACHED_SET(lc) LDAP_BACK_CONN_SET((lc), LDAP_BACK_FCONN_CACHED)
#define LDAP_BACK_CONN_CACHED_CLEAR(lc) LDAP_BACK_CONN_CLEAR((lc), LDAP_BACK_FCONN_CACHED)
unsigned lc_refcnt;
LDAP *lc_ld;
struct berval lc_cred;
struct berval lc_bound_ndn;
unsigned lc_flags;
time_t lc_create_time;
time_t lc_time;
LDAP_TAILQ_ENTRY(ldapconn_t) lc_q;
} ldapconn_t;
typedef struct ldap_avl_info_t {

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@ -40,6 +40,45 @@
#define LDAP_CONTROL_OBSOLETE_PROXY_AUTHZ "2.16.840.1.113730.3.4.12"
#if LDAP_BACK_PRINT_CONNTREE > 0
static const struct {
slap_mask_t f;
char c;
} flagsmap[] = {
{ LDAP_BACK_FCONN_ISBOUND, 'B' },
{ LDAP_BACK_FCONN_ISANON, 'A' },
{ LDAP_BACK_FCONN_ISPRIV, 'P' },
{ LDAP_BACK_FCONN_ISTLS, 'T' },
{ LDAP_BACK_FCONN_BINDING, 'X' },
{ LDAP_BACK_FCONN_TAINTED, 'E' },
{ LDAP_BACK_FCONN_ABANDON, 'N' },
{ LDAP_BACK_FCONN_ISIDASR, 'S' },
{ LDAP_BACK_FCONN_CACHED, 'C' },
{ 0, '\0' }
};
static void
ldap_back_conn_print( ldapconn_t *lc, const char *avlstr )
{
char buf[ SLAP_TEXT_BUFLEN ];
char fbuf[ sizeof("BAPTIENSC") ];
int i;
ldap_back_conn2str( &lc->lc_base, buf, sizeof( buf ) );
for ( i = 0; flagsmap[ i ].c != '\0'; i++ ) {
if ( lc->lc_lcflags & flagsmap[i].f ) {
fbuf[i] = flagsmap[i].c;
} else {
fbuf[i] = '.';
}
}
fbuf[i] = '\0';
fprintf( stderr, "lc=%p %s %s flags=0x%08x (%s)\n",
(void *)lc, buf, avlstr, lc->lc_lcflags, fbuf );
}
static void
ldap_back_ravl_print( Avlnode *root, int depth )
{
@ -57,13 +96,9 @@ ldap_back_ravl_print( Avlnode *root, int depth )
}
lc = root->avl_data;
fprintf( stderr, "lc=%p local=\"%s\" conn=%p %s refcnt=%d flags=0x%08x\n",
(void *)lc,
lc->lc_local_ndn.bv_val ? lc->lc_local_ndn.bv_val : "",
(void *)lc->lc_conn,
avl_bf2str( root->avl_bf ), lc->lc_refcnt, lc->lc_lcflags );
ldap_back_ravl_print( root->avl_left, depth+1 );
ldap_back_conn_print( lc, avl_bf2str( root->avl_bf ) );
ldap_back_ravl_print( root->avl_left, depth + 1 );
}
static char* priv2str[] = {
@ -91,11 +126,8 @@ ldap_back_print_conntree( ldapinfo_t *li, char *msg )
LDAP_TAILQ_FOREACH( lc, &li->li_conn_priv[ c ].lic_priv, lc_q )
{
fprintf( stderr, " [%d] lc=%p local=\"%s\" conn=%p refcnt=%d flags=0x%08x\n",
i,
(void *)lc,
lc->lc_local_ndn.bv_val ? lc->lc_local_ndn.bv_val : "",
(void *)lc->lc_conn, lc->lc_refcnt, lc->lc_lcflags );
fprintf( stderr, " [%d] ", i );
ldap_back_conn_print( lc, "" );
i++;
}
}
@ -632,7 +664,7 @@ ldap_back_prepare_conn( ldapconn_t *lc, Operation *op, SlapReply *rs, ldap_back_
LDAP *ld = NULL;
#ifdef HAVE_TLS
int is_tls = op->o_conn->c_is_tls;
time_t lc_time = (time_t)(-1);
time_t lctime = (time_t)(-1);
slap_bindconf *sb;
#endif /* HAVE_TLS */
@ -705,7 +737,7 @@ ldap_back_prepare_conn( ldapconn_t *lc, Operation *op, SlapReply *rs, ldap_back_
} else if ( li->li_idle_timeout ) {
/* only touch when activity actually took place... */
lc_time = op->o_time;
lctime = op->o_time;
}
#endif /* HAVE_TLS */
@ -717,8 +749,8 @@ ldap_back_prepare_conn( ldapconn_t *lc, Operation *op, SlapReply *rs, ldap_back_
} else {
LDAP_BACK_CONN_ISTLS_CLEAR( lc );
}
if ( lc_time != (time_t)(-1) ) {
lc->lc_time = lc_time;
if ( lctime != (time_t)(-1) ) {
lc->lc_time = lctime;
}
#endif /* HAVE_TLS */
@ -2717,7 +2749,50 @@ ldap_back_controls_free( Operation *op, SlapReply *rs, LDAPControl ***pctrls )
}
int
ldap_back_conn2str( ldapconn_t *lc, char *buf, ber_len_t buflen )
ldap_back_conn2str( const ldapconn_base_t *lc, char *buf, ber_len_t buflen )
{
char tbuf[ SLAP_TEXT_BUFLEN ];
char *ptr = buf, *end = buf + buflen;
int len;
if ( ptr + sizeof("conn=") > end ) return -1;
ptr = lutil_strcopy( ptr, "conn=" );
len = ldap_back_connid2str( lc, ptr, (ber_len_t)(end - ptr) );
ptr += len;
if ( ptr >= end ) return -1;
if ( !BER_BVISNULL( &lc->lcb_local_ndn ) ) {
if ( ptr + sizeof(" DN=\"\"") + lc->lcb_local_ndn.bv_len > end ) return -1;
ptr = lutil_strcopy( ptr, " DN=\"" );
ptr = lutil_strncopy( ptr, lc->lcb_local_ndn.bv_val, lc->lcb_local_ndn.bv_len );
*ptr++ = '"';
}
if ( lc->lcb_create_time != 0 ) {
len = snprintf( tbuf, sizeof(tbuf), "%ld", lc->lcb_create_time );
if ( ptr + sizeof(" created=") + len >= end ) return -1;
ptr = lutil_strcopy( ptr, " created=" );
ptr = lutil_strcopy( ptr, tbuf );
}
if ( lc->lcb_time != 0 ) {
len = snprintf( tbuf, sizeof(tbuf), "%ld", lc->lcb_time );
if ( ptr + sizeof(" modified=") + len >= end ) return -1;
ptr = lutil_strcopy( ptr, " modified=" );
ptr = lutil_strcopy( ptr, tbuf );
}
len = snprintf( tbuf, sizeof(tbuf), "%u", lc->lcb_refcnt );
if ( ptr + sizeof(" refcnt=") + len >= end ) return -1;
ptr = lutil_strcopy( ptr, " refcnt=" );
ptr = lutil_strcopy( ptr, tbuf );
return ptr - buf;
}
int
ldap_back_connid2str( const ldapconn_base_t *lc, char *buf, ber_len_t buflen )
{
static struct berval conns[] = {
BER_BVC("ROOTDN"),
@ -2731,11 +2806,11 @@ ldap_back_conn2str( ldapconn_t *lc, char *buf, ber_len_t buflen )
int len = 0;
if ( LDAP_BACK_PCONN_ISPRIV( lc ) ) {
if ( LDAP_BACK_PCONN_ISPRIV( (const ldapconn_t *)lc ) ) {
long cid;
struct berval *bv;
cid = (long)lc->lc_conn;
cid = (long)lc->lcb_conn;
assert( cid >= LDAP_BACK_PCONN_FIRST && cid < LDAP_BACK_PCONN_LAST );
bv = &conns[ cid ];
@ -2748,7 +2823,7 @@ ldap_back_conn2str( ldapconn_t *lc, char *buf, ber_len_t buflen )
lutil_strncopy( buf, bv->bv_val, bv->bv_len + 1 );
} else {
len = snprintf( buf, buflen, "%lu", lc->lc_conn->c_connid );
len = snprintf( buf, buflen, "%lu", lc->lcb_conn->c_connid );
}
return len;

View File

@ -63,7 +63,8 @@ extern void ldap_back_conn_free( void *c );
extern ldapconn_t * ldap_back_conn_delete( ldapinfo_t *li, ldapconn_t *lc );
extern int ldap_back_conn2str( ldapconn_t *lc, char *buf, ber_len_t buflen );
extern int ldap_back_conn2str( const ldapconn_base_t *lc, char *buf, ber_len_t buflen );
extern int ldap_back_connid2str( const ldapconn_base_t *lc, char *buf, ber_len_t buflen );
extern int
ldap_back_proxy_authz_ctrl(

View File

@ -221,14 +221,16 @@ typedef struct metasingleconn_t {
} metasingleconn_t;
typedef struct metaconn_t {
Connection *mc_conn;
#define lc_conn mc_conn
unsigned mc_refcnt;
time_t mc_create_time;
time_t mc_time;
ldapconn_base_t lc_base;
#define mc_base lc_base
#define mc_conn mc_base.lcb_conn
#define mc_local_ndn mc_base.lcb_local_ndn
#define mc_refcnt mc_base.lcb_refcnt
#define mc_create_time mc_base.lcb_create_time
#define mc_time mc_base.lcb_time
struct berval mc_local_ndn;
LDAP_TAILQ_ENTRY(metaconn_t) mc_q;
/* NOTE: msc_mscflags is used to recycle the #define
* in metasingleconn_t */
unsigned msc_mscflags;
@ -243,8 +245,6 @@ typedef struct metaconn_t {
struct metainfo_t *mc_info;
LDAP_TAILQ_ENTRY(metaconn_t) mc_q;
/* supersedes the connection stuff */
metasingleconn_t mc_conns[ 1 ];
/* NOTE: mc_conns must be last, because

View File

@ -663,7 +663,7 @@ meta_back_dobind(
if ( LogTest( LDAP_DEBUG_TRACE ) ) {
char buf[STRLENOF("4294967295U") + 1] = { 0 };
ldap_back_conn2str( (ldapconn_t *)mc, buf, sizeof(buf) );
ldap_back_connid2str( &mc->mc_base, buf, sizeof(buf) );
Debug( LDAP_DEBUG_TRACE,
"%s meta_back_dobind: conn=%s%s\n",
@ -803,7 +803,7 @@ retry_ok:;
done:;
if ( LogTest( LDAP_DEBUG_TRACE ) ) {
char buf[STRLENOF("4294967295U") + 1] = { 0 };
ldap_back_conn2str( (ldapconn_t *)mc, buf, sizeof(buf) );
ldap_back_connid2str( &mc->mc_base, buf, sizeof(buf) );
Debug( LDAP_DEBUG_TRACE,
"%s meta_back_dobind: conn=%s bound=%d\n",

View File

@ -1170,7 +1170,7 @@ retry_lock:;
if ( LogTest( LDAP_DEBUG_TRACE ) ) {
char buf[STRLENOF("4294967295U") + 1] = { 0 };
ldap_back_conn2str( (ldapconn_t *)mc, buf, sizeof(buf) );
ldap_back_connid2str( &mc->mc_base, buf, sizeof(buf) );
Debug( LDAP_DEBUG_TRACE,
"%s meta_back_getconn: mc=%p conn=%s expired (tainted).\n",
@ -1662,7 +1662,7 @@ done:;
LDAP_BACK_CONN_CACHED_CLEAR( mc );
if ( LogTest( LDAP_DEBUG_ANY ) ) {
char buf[STRLENOF("4294967295U") + 1] = { 0 };
ldap_back_conn2str( (ldapconn_t *)mc, buf, sizeof(buf) );
ldap_back_connid2str( &mc->mc_base, buf, sizeof(buf) );
Debug( LDAP_DEBUG_ANY,
"%s meta_back_getconn: candidates=%d conn=%s insert failed\n",
@ -1683,7 +1683,7 @@ done:;
if ( LogTest( LDAP_DEBUG_TRACE ) ) {
char buf[STRLENOF("4294967295U") + 1] = { 0 };
ldap_back_conn2str( (ldapconn_t *)mc, buf, sizeof(buf) );
ldap_back_connid2str( &mc->mc_base, buf, sizeof(buf) );
Debug( LDAP_DEBUG_TRACE,
"%s meta_back_getconn: candidates=%d conn=%s inserted\n",
@ -1693,7 +1693,7 @@ done:;
} else {
if ( LogTest( LDAP_DEBUG_TRACE ) ) {
char buf[STRLENOF("4294967295U") + 1] = { 0 };
ldap_back_conn2str( (ldapconn_t *)mc, buf, sizeof(buf) );
ldap_back_connid2str( &mc->mc_base, buf, sizeof(buf) );
Debug( LDAP_DEBUG_TRACE,
"%s meta_back_getconn: candidates=%d conn=%s fetched\n",