int
meta_back_conn_destroy(
Backend *be,
Connection *conn )
{
metainfo_t *mi = ( metainfo_t * )be->be_private;
metaconn_t *mc,
mc_curr = {{ 0 }};
int i;
Debug( LDAP_DEBUG_TRACE,
"=>meta_back_conn_destroy: fetching conn=%ld DN=\"%s\"\n",
conn->c_connid,
BER_BVISNULL( &conn->c_ndn ) ? "" : conn->c_ndn.bv_val, 0 );
mc_curr.mc_conn = conn;
ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
#if META_BACK_PRINT_CONNTREE > 0
meta_back_print_conntree( mi, ">>> meta_back_conn_destroy" );
#endif /* META_BACK_PRINT_CONNTREE */
while ( ( mc = avl_delete( &mi->mi_conninfo.lai_tree, ( caddr_t )&mc_curr, meta_back_conn_cmp ) ) != NULL )
{
assert( !LDAP_BACK_PCONN_ISPRIV( mc ) );
Debug( LDAP_DEBUG_TRACE,
"=>meta_back_conn_destroy: destroying conn %lu "
"refcnt=%d flags=0x%08x\n",
mc->mc_conn->c_connid, mc->mc_refcnt, mc->msc_mscflags );
if ( mc->mc_refcnt > 0 ) {
/* someone else might be accessing the connection;
* mark for deletion */
LDAP_BACK_CONN_CACHED_CLEAR( mc );
LDAP_BACK_CONN_TAINTED_SET( mc );
} else {
meta_back_conn_free( mc );
}
}
#if META_BACK_PRINT_CONNTREE > 0
meta_back_print_conntree( mi, "<<< meta_back_conn_destroy" );
#endif /* META_BACK_PRINT_CONNTREE */
ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
/*
* Cleanup rewrite session
*/
for ( i = 0; i < mi->mi_ntargets; ++i ) {
rewrite_session_delete( mi->mi_targets[ i ]->mt_rwmap.rwm_rw, conn );
}
return 0;
}
static void
apply(
FILE *fin,
const char *rewriteContext,
const char *arg
)
{
struct rewrite_info *info;
char *string, *sep, *result = NULL;
int rc;
void *cookie = &info;
info = rewrite_info_init( REWRITE_MODE_ERR );
if ( rewrite_read( fin, info ) != 0 ) {
exit( EXIT_FAILURE );
}
rewrite_param_set( info, "prog", "rewrite" );
rewrite_session_init( info, cookie );
string = (char *)arg;
for ( sep = strchr( rewriteContext, ',' );
rewriteContext != NULL;
rewriteContext = sep,
sep ? sep = strchr( rewriteContext, ',' ) : NULL )
{
char *errmsg = "";
if ( sep != NULL ) {
sep[ 0 ] = '\0';
sep++;
}
/* rc = rewrite( info, rewriteContext, string, &result ); */
rc = rewrite_session( info, rewriteContext, string,
cookie, &result );
switch ( rc ) {
case REWRITE_REGEXEC_OK:
errmsg = "ok";
break;
case REWRITE_REGEXEC_ERR:
errmsg = "error";
break;
case REWRITE_REGEXEC_STOP:
errmsg = "stop";
break;
case REWRITE_REGEXEC_UNWILLING:
errmsg = "unwilling to perform";
break;
default:
if (rc >= REWRITE_REGEXEC_USER) {
errmsg = "user-defined";
} else {
errmsg = "unknown";
}
break;
}
fprintf( stdout, "%s -> %s [%d:%s]\n", string,
( result ? result : "(null)" ),
rc, errmsg );
if ( result == NULL ) {
break;
}
if ( string != arg && string != result ) {
free( string );
}
string = result;
}
if ( result && result != arg ) {
free( result );
}
rewrite_session_delete( info, cookie );
rewrite_info_delete( &info );
}
meta_search_candidate_t
asyncmeta_dobind_init_with_retry(Operation *op, SlapReply *rs, bm_context_t *bc, a_metaconn_t *mc, int candidate)
{
int rc, retries = 1;
a_metasingleconn_t *msc = &mc->mc_conns[candidate];
a_metainfo_t *mi = mc->mc_info;
a_metatarget_t *mt = mi->mi_targets[ candidate ];
SlapReply *candidates = bc->candidates;
retry_dobind:
rc = asyncmeta_dobind_init(op, rs, bc, mc, candidate);
if (rs->sr_err != LDAP_UNAVAILABLE) {
return rc;
} else if (retries <= 0) {
ldap_pvt_thread_mutex_lock( &mc->mc_om_mutex );
if (mc->mc_active < 1) {
asyncmeta_clear_one_msc(NULL, mc, candidate);
}
ldap_pvt_thread_mutex_unlock( &mc->mc_om_mutex );
return rc;
}
/* need to retry */
retries--;
if ( LogTest( LDAP_DEBUG_ANY ) ) {
char buf[ SLAP_TEXT_BUFLEN ];
/* this lock is required; however,
* it's invoked only when logging is on */
ldap_pvt_thread_mutex_lock( &mt->mt_uri_mutex );
snprintf( buf, sizeof( buf ),
"retrying URI=\"%s\" DN=\"%s\"",
mt->mt_uri,
BER_BVISNULL( &msc->msc_bound_ndn ) ?
"" : msc->msc_bound_ndn.bv_val );
ldap_pvt_thread_mutex_unlock( &mt->mt_uri_mutex );
Debug( LDAP_DEBUG_ANY,
"%s asyncmeta_search_dobind_init_with_retry[%d]: %s.\n",
op->o_log_prefix, candidate, buf );
}
ldap_pvt_thread_mutex_lock( &mc->mc_om_mutex );
if (mc->mc_active < 1) {
asyncmeta_clear_one_msc(NULL, mc, candidate);
}
ldap_pvt_thread_mutex_unlock( &mc->mc_om_mutex );
( void )rewrite_session_delete( mt->mt_rwmap.rwm_rw, op->o_conn );
rc = asyncmeta_init_one_conn( op, rs, mc, candidate,
LDAP_BACK_CONN_ISPRIV( mc ), LDAP_BACK_DONTSEND, 0 );
if (rs->sr_err != LDAP_SUCCESS) {
ldap_pvt_thread_mutex_lock( &mc->mc_om_mutex );
if (mc->mc_active < 1) {
asyncmeta_clear_one_msc(NULL, mc, candidate);
}
ldap_pvt_thread_mutex_unlock( &mc->mc_om_mutex );
return META_SEARCH_ERR;
}
goto retry_dobind;
return rc;
}
