X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fcancel.c;h=dd4c79730cd86f505eb0cbaf9694686dff4c5cef;hb=5ae46c195ed5dd2b5117d2301645e8b7a00d9a0a;hp=005dbba0b27e75f9983610d06a8077257a1705fc;hpb=2c0d735aa764df1e531a7e3e4b1cb400129f59f8;p=openldap diff --git a/servers/slapd/cancel.c b/servers/slapd/cancel.c index 005dbba0b2..dd4c79730c 100644 --- a/servers/slapd/cancel.c +++ b/servers/slapd/cancel.c @@ -2,7 +2,7 @@ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * - * Copyright 1998-2004 The OpenLDAP Foundation. + * Copyright 1998-2007 The OpenLDAP Foundation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -18,7 +18,6 @@ #include -#include #include #include #include @@ -28,14 +27,14 @@ #include #include +const struct berval slap_EXOP_CANCEL = BER_BVC(LDAP_EXOP_CANCEL); + int cancel_extop( Operation *op, SlapReply *rs ) { Operation *o; int rc; - int found = 0; int opid; BerElement *ber; - int i; assert( ber_bvcmp( &slap_EXOP_CANCEL, &op->ore_reqoid ) == 0 ); @@ -57,6 +56,9 @@ int cancel_extop( Operation *op, SlapReply *rs ) (void) ber_free( ber, 1 ); + Statslog( LDAP_DEBUG_STATS, "%s CANCEL msg=%d\n", + op->o_log_prefix, opid, 0, 0, 0 ); + if ( opid < 0 ) { rs->sr_text = "message ID invalid"; return LDAP_PROTOCOL_ERROR; @@ -65,64 +67,56 @@ int cancel_extop( Operation *op, SlapReply *rs ) ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex ); LDAP_STAILQ_FOREACH( o, &op->o_conn->c_pending_ops, o_next ) { if ( o->o_msgid == opid ) { - LDAP_STAILQ_REMOVE( &op->o_conn->c_pending_ops, o, slap_op, o_next ); + LDAP_STAILQ_REMOVE( &op->o_conn->c_pending_ops, o, Operation, o_next ); + LDAP_STAILQ_NEXT(o, o_next) = NULL; op->o_conn->c_n_ops_pending--; slap_op_free( o ); - found = 1; - break; + ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex ); + return LDAP_SUCCESS; } } - ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex ); - - if ( found ) return LDAP_SUCCESS; - found = 0; - ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex ); LDAP_STAILQ_FOREACH( o, &op->o_conn->c_ops, o_next ) { if ( o->o_msgid == opid ) { - found = 1; + o->o_abandon = 1; break; } } - if ( !found ) { - for ( i = 0; i < nbackends; i++ ) { - op->o_bd = &backends[i]; - if( !op->o_bd->be_cancel ) continue; + ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex ); - ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex ); + if ( o ) { + if ( o->o_cancel != SLAP_CANCEL_NONE ) { + rs->sr_text = "message ID already being cancelled"; + return LDAP_PROTOCOL_ERROR; + } + + o->o_cancel = SLAP_CANCEL_REQ; + + LDAP_STAILQ_FOREACH( op->o_bd, &backendDB, be_next ) { + if( !op->o_bd->be_cancel ) continue; op->oq_cancel.rs_msgid = opid; if ( op->o_bd->be_cancel( op, rs ) == LDAP_SUCCESS ) { return LDAP_SUCCESS; } - ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex ); } - ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex ); - rs->sr_text = "message ID not found"; - return LDAP_NO_SUCH_OPERATION; - } - - if ( op->o_cancel != SLAP_CANCEL_NONE ) { - ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex ); - rs->sr_text = "message ID already being cancelled"; - return LDAP_PROTOCOL_ERROR; - } - op->o_cancel = SLAP_CANCEL_REQ; - ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex ); + while ( o->o_cancel == SLAP_CANCEL_REQ ) { + ldap_pvt_thread_yield(); + } - while ( op->o_cancel == SLAP_CANCEL_REQ ) { - ldap_pvt_thread_yield(); - } + if ( o->o_cancel == SLAP_CANCEL_ACK ) { + rc = LDAP_SUCCESS; + } else { + rc = o->o_cancel; + } - if ( op->o_cancel == SLAP_CANCEL_ACK ) { - rc = LDAP_SUCCESS; + o->o_cancel = SLAP_CANCEL_DONE; } else { - rc = op->o_cancel; + rs->sr_text = "message ID not found"; + rc = LDAP_NO_SUCH_OPERATION; } - op->o_cancel = SLAP_CANCEL_DONE; - return rc; }