/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2007 The OpenLDAP Foundation.
+ * Copyright 1998-2009 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
}
static long send_ldap_ber(
- Connection *conn,
+ Operation *op,
BerElement *ber )
{
+ Connection *conn = op->o_conn;
ber_len_t bytes;
+ long ret = 0;
+ int closing = 0;
ber_get_option( ber, LBER_OPT_BER_BYTES_TO_WRITE, &bytes );
/* write only one pdu at a time - wait til it's our turn */
- ldap_pvt_thread_mutex_lock( &conn->c_write_mutex );
+ ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
+ if ( op->o_abandon || connection_state_closing( conn )) {
+ ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
+ return 0;
+ }
+ while ( conn->c_writers > 0 ) {
+ ldap_pvt_thread_cond_wait( &conn->c_write1_cv, &conn->c_write1_mutex );
+ }
+ /* connection was closed under us */
+ if ( conn->c_writers < 0 ) {
+ closing = 1;
+ /* we're the last waiter, let the closer continue */
+ if ( conn->c_writers == -1 )
+ ldap_pvt_thread_cond_signal( &conn->c_write1_cv );
+ }
- /* lock the connection */
- ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+ conn->c_writers++;
+
+ if ( closing ) {
+ ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
+ return 0;
+ }
/* write the pdu */
while( 1 ) {
int err;
- if ( connection_state_closing( conn ) ) {
- ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
- ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
-
- return 0;
+ /* lock the connection */
+ if ( ldap_pvt_thread_mutex_trylock( &conn->c_mutex )) {
+ ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
+ ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
+ if ( conn->c_writers < 0 ) {
+ ret = 0;
+ break;
+ }
+ continue;
}
if ( ber_flush2( conn->c_sb, ber, LBER_FLUSH_FREE_NEVER ) == 0 ) {
+ ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+ ret = bytes;
break;
}
err, sock_errstr(err), 0 );
if ( err != EWOULDBLOCK && err != EAGAIN ) {
+ conn->c_writers--;
+ ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
connection_closing( conn, "connection lost on write" );
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
- ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
-
- return( -1 );
+ return -1;
}
/* wait for socket to be write-ready */
+ ldap_pvt_thread_mutex_lock( &conn->c_write2_mutex );
conn->c_writewaiter = 1;
- slapd_set_write( conn->c_sd, 1 );
+ slapd_set_write( conn->c_sd, 2 );
- ldap_pvt_thread_cond_wait( &conn->c_write_cv, &conn->c_mutex );
+ ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
+ ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+ ldap_pvt_thread_cond_wait( &conn->c_write2_cv, &conn->c_write2_mutex );
conn->c_writewaiter = 0;
+ ldap_pvt_thread_mutex_unlock( &conn->c_write2_mutex );
+ ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
+ if ( conn->c_writers < 0 ) {
+ ret = 0;
+ break;
+ }
}
- ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
- ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
+ if ( conn->c_writers < 0 ) {
+ conn->c_writers++;
+ if ( !conn->c_writers )
+ ldap_pvt_thread_cond_signal( &conn->c_write1_cv );
+ } else {
+ conn->c_writers--;
+ ldap_pvt_thread_cond_signal( &conn->c_write1_cv );
+ }
+ ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
- return bytes;
+ return ret;
}
static int
}
/* send BER */
- bytes = send_ldap_ber( op->o_conn, ber );
+ bytes = send_ldap_ber( op, ber );
#ifdef LDAP_CONNECTIONLESS
if (!op->o_conn || op->o_conn->c_is_udp == 0)
#endif
(void)slap_cleanup_play( op, rs );
}
- if ( rs->sr_matched && rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
- free( (char *)rs->sr_matched );
- rs->sr_matched = NULL;
+ if ( rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
+ rs->sr_flags ^= REP_MATCHED_MUSTBEFREED; /* paranoia */
+ if ( rs->sr_matched ) {
+ free( (char *)rs->sr_matched );
+ rs->sr_matched = NULL;
+ }
}
- if ( rs->sr_ref && rs->sr_flags & REP_REF_MUSTBEFREED ) {
- ber_bvarray_free( rs->sr_ref );
- rs->sr_ref = NULL;
+ if ( rs->sr_flags & REP_REF_MUSTBEFREED ) {
+ rs->sr_flags ^= REP_REF_MUSTBEFREED; /* paranoia */
+ if ( rs->sr_ref ) {
+ ber_bvarray_free( rs->sr_ref );
+ rs->sr_ref = NULL;
+ }
+ }
+
+ if ( rs->sr_flags & REP_CTRLS_MUSTBEFREED ) {
+ rs->sr_flags ^= REP_CTRLS_MUSTBEFREED; /* paranoia */
+ if ( rs->sr_ctrls ) {
+ slap_free_ctrls( op, rs->sr_ctrls );
+ rs->sr_ctrls = NULL;
+ }
}
return rc;
rs->sr_ref = NULL;
}
+abandon:
rs->sr_tag = slap_req2res( op->o_tag );
rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
-abandon:
+ if ( rs->sr_flags & REP_REF_MUSTBEFREED ) {
+ if ( rs->sr_ref == NULL ) {
+ rs->sr_flags ^= REP_REF_MUSTBEFREED;
+ ber_bvarray_free( oref );
+ }
+ oref = NULL; /* send_ldap_response() will free rs->sr_ref if != NULL */
+ }
+
if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
if ( op->o_tag == LDAP_REQ_SEARCH ) {
- char nbuf[64];
- snprintf( nbuf, sizeof nbuf, "%d nentries=%d",
- rs->sr_err, rs->sr_nentries );
-
Statslog( LDAP_DEBUG_STATS,
- "%s SEARCH RESULT tag=%lu err=%s text=%s\n",
- op->o_log_prefix, rs->sr_tag, nbuf,
- rs->sr_text ? rs->sr_text : "", 0 );
+ "%s SEARCH RESULT tag=%lu err=%d nentries=%d text=%s\n",
+ op->o_log_prefix, rs->sr_tag, rs->sr_err,
+ rs->sr_nentries, rs->sr_text ? rs->sr_text : "" );
} else {
Statslog( LDAP_DEBUG_STATS,
"%s RESULT tag=%lu err=%d text=%s\n",
BerElement *ber = (BerElement *) &berbuf;
Attribute *a;
int i, j, rc = LDAP_UNAVAILABLE, bytes;
- char *edn;
int userattrs;
AccessControlState acl_state = ACL_STATE_INIT;
int attrsonly;
}
/* Every 64 entries, check for thread pool pause */
- if (( rs->sr_nentries & 0x3f == 0x3f ) &&
- ldap_pvt_thread_pool_query( &connection_pool,
- LDAP_PVT_THREAD_POOL_PARAM_PAUSING, &i ) == 0 && i ) {
+ if ( ( ( rs->sr_nentries & 0x3f ) == 0x3f ) &&
+ ldap_pvt_thread_pool_pausing( &connection_pool ) > 0 )
+ {
return LDAP_BUSY;
}
goto error_return;
}
- edn = rs->sr_entry->e_nname.bv_val;
-
if ( op->o_res_ber ) {
/* read back control or LDAP_CONNECTIONLESS */
ber = op->o_res_ber;
} else {
/* specific attrs requested */
if ( is_at_operational( desc->ad_type ) ) {
- if ( !SLAP_OPATTRS( rs->sr_attr_flags ) &&
- !ad_inlist( desc, rs->sr_attrs ) )
- {
- continue;
+ /* if not explicitly requested */
+ if ( !ad_inlist( desc, rs->sr_attrs )) {
+ /* if not all op attrs requested, skip */
+ if ( !SLAP_OPATTRS( rs->sr_attr_flags ))
+ continue;
+ /* if DSA-specific and replicating, skip */
+ if ( op->o_sync != SLAP_CONTROL_NONE &&
+ desc->ad_type->sat_usage == LDAP_SCHEMA_DSA_OPERATION )
+ continue;
}
-
} else {
if ( !userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
continue;
goto error_return;
}
+ Statslog( LDAP_DEBUG_STATS2, "%s ENTRY dn=\"%s\"\n",
+ op->o_log_prefix, rs->sr_entry->e_nname.bv_val, 0, 0, 0 );
+
if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
be_entry_release_rw( op, rs->sr_entry, 0 );
rs->sr_flags ^= REP_ENTRY_MUSTRELEASE;
}
if ( op->o_res_ber == NULL ) {
- bytes = send_ldap_ber( op->o_conn, ber );
+ bytes = send_ldap_ber( op, ber );
ber_free_buf( ber );
if ( bytes < 0 ) {
ldap_pvt_thread_mutex_unlock( &op->o_counters->sc_mutex );
}
- Statslog( LDAP_DEBUG_STATS2, "%s ENTRY dn=\"%s\"\n",
- op->o_log_prefix, edn, 0, 0, 0 );
-
Debug( LDAP_DEBUG_TRACE,
"<= send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
BerElement *ber = (BerElement *) &berbuf;
int rc = 0;
int bytes;
+ char *edn = rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)";
AttributeDescription *ad_ref = slap_schema.si_ad_ref;
AttributeDescription *ad_entry = slap_schema.si_ad_entry;
Debug( LDAP_DEBUG_TRACE,
"=> send_search_reference: dn=\"%s\"\n",
- rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0, 0 );
+ edn, 0, 0 );
if ( rs->sr_entry && ! access_allowed( op, rs->sr_entry,
ad_entry, NULL, ACL_READ, NULL ) )
if( op->o_domain_scope ) {
Debug( LDAP_DEBUG_ANY,
"send_search_reference: domainScope control in (%s)\n",
- rs->sr_entry->e_dn, 0, 0 );
+ edn, 0, 0 );
rc = 0;
goto rel;
}
if( rs->sr_ref == NULL ) {
Debug( LDAP_DEBUG_ANY,
"send_search_reference: null ref in (%s)\n",
- rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
+ edn, 0, 0 );
rc = 1;
goto rel;
}
rc = 0;
if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
+ assert( rs->sr_entry != NULL );
be_entry_release_rw( op, rs->sr_entry, 0 );
rs->sr_flags ^= REP_ENTRY_MUSTRELEASE;
rs->sr_entry = NULL;
#ifdef LDAP_CONNECTIONLESS
if (!op->o_conn || op->o_conn->c_is_udp == 0) {
#endif
- bytes = send_ldap_ber( op->o_conn, ber );
+ bytes = send_ldap_ber( op, ber );
ber_free_buf( ber );
if ( bytes < 0 ) {
LDAPControl c;
Operation myop;
- Debug( LDAP_DEBUG_ANY, "slap_read_controls: (%s) %s\n",
- oid->bv_val, e->e_dn, 0 );
+ Debug( LDAP_DEBUG_ANY, "%s slap_read_controls: (%s) %s\n",
+ op->o_log_prefix, oid->bv_val, e->e_dn );
rs->sr_entry = e;
rs->sr_attrs = ( oid == &slap_pre_read_bv ) ?
rc = ber_flatten2( ber, &c.ldctl_value, 0 );
- if( rc == LBER_ERROR ) return LDAP_OTHER;
+ if( rc == -1 ) return LDAP_OTHER;
c.ldctl_oid = oid->bv_val;
c.ldctl_iscritical = 0;
flags |= ( SLAP_OPATTRS_NO | SLAP_USERATTRS_YES );
} else {
- flags |= an_find( an, &AllOper )
+ flags |= an_find( an, slap_bv_all_operational_attrs )
? SLAP_OPATTRS_YES : SLAP_OPATTRS_NO;
- flags |= an_find( an, &AllUser )
+ flags |= an_find( an, slap_bv_all_user_attrs )
? SLAP_USERATTRS_YES : SLAP_USERATTRS_NO;
}