X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fcancel.c;h=bc946160105d4381f64564e627b70bcc399f594d;hb=5487575086d2060ab05a408543ff07be31b400a8;hp=0fcce20d6991cff670ec92f99b61b7950ec06a98;hpb=65bf90ff7304fb4c98df5f1ab0251ff851da7029;p=openldap diff --git a/servers/slapd/cancel.c b/servers/slapd/cancel.c index 0fcce20d69..bc94616010 100644 --- a/servers/slapd/cancel.c +++ b/servers/slapd/cancel.c @@ -1,8 +1,17 @@ -/* $OpenLDAP$ */ /* cancel.c - LDAP cancel extended operation */ -/* - * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved. - * COPYING RESTRICTIONS APPLY, see COPYRIGHT file +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software . + * + * Copyright 1998-2006 The OpenLDAP Foundation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * . */ #include "portable.h" @@ -16,121 +25,99 @@ #include "slap.h" -#ifdef LDAP_EXOP_X_CANCEL - #include #include -int cancel_extop( - Connection *conn, - Operation *op, - struct berval *reqoid, - struct berval *reqdata, - char **rspoid, - struct berval **rspdata, - LDAPControl ***rspctrls, - const char **text, - BerVarray *refs ) +const struct berval slap_EXOP_CANCEL = BER_BVC(LDAP_EXOP_CANCEL); + +int cancel_extop( Operation *op, SlapReply *rs ) { - Backend *be; + Operation *o; int rc; - int found = 0; int opid; BerElement *ber; - int i; - assert( reqoid != NULL ); - assert( ber_bvcmp( &slap_EXOP_CANCEL, reqoid ) == 0 ); + assert( ber_bvcmp( &slap_EXOP_CANCEL, &op->ore_reqoid ) == 0 ); - if ( reqdata == NULL ) { - *text = "no message ID supplied"; + if ( op->ore_reqdata == NULL ) { + rs->sr_text = "no message ID supplied"; return LDAP_PROTOCOL_ERROR; } - ber = ber_init( reqdata ); + ber = ber_init( op->ore_reqdata ); if ( ber == NULL ) { - *text = "internal error"; + rs->sr_text = "internal error"; return LDAP_OTHER; } if ( ber_scanf( ber, "{i}", &opid ) == LBER_ERROR ) { - *text = "message ID parse failed"; + rs->sr_text = "message ID parse failed"; return LDAP_PROTOCOL_ERROR; } (void) ber_free( ber, 1 ); if ( opid < 0 ) { - *text = "message ID invalid"; + rs->sr_text = "message ID invalid"; return LDAP_PROTOCOL_ERROR; } - ldap_pvt_thread_mutex_lock( &conn->c_mutex ); - LDAP_STAILQ_FOREACH( op, &conn->c_pending_ops, o_next ) { - if ( op->o_msgid == opid ) { - LDAP_STAILQ_REMOVE( &conn->c_pending_ops, op, slap_op, o_next ); - slap_op_free( op ); - found = 1; - break; + Statslog( LDAP_DEBUG_STATS, "%s CANCEL msg=%d\n", + op->o_log_prefix, opid, 0, 0, 0 ); + + 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_NEXT(o, o_next) = NULL; + op->o_conn->c_n_ops_pending--; + slap_op_free( o ); + ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex ); + return LDAP_SUCCESS; } } - ldap_pvt_thread_mutex_unlock( &conn->c_mutex ); - if ( found ) return LDAP_SUCCESS; - - found = 0; - ldap_pvt_thread_mutex_lock( &conn->c_mutex ); - LDAP_STAILQ_FOREACH( op, &conn->c_ops, o_next ) { - if ( op->o_msgid == opid ) { - found = 1; + LDAP_STAILQ_FOREACH( o, &op->o_conn->c_ops, o_next ) { + if ( o->o_msgid == opid ) { + o->o_abandon = 1; break; } } - if ( !found ) { -#ifdef LDAP_SYNC - for ( i = 0; i < nbackends; i++ ) { - Backend *be = &backends[i]; - if( !be->be_cancel ) continue; + 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_pvt_thread_mutex_unlock( &conn->c_mutex ); + LDAP_STAILQ_FOREACH( op->o_bd, &backendDB, be_next ) { + if( !op->o_bd->be_cancel ) continue; - if ( be->be_cancel( be, conn, op, opid ) == LDAP_SUCCESS ) { + op->oq_cancel.rs_msgid = opid; + if ( op->o_bd->be_cancel( op, rs ) == LDAP_SUCCESS ) { return LDAP_SUCCESS; - } else { - *text = "message ID not found"; - return LDAP_NO_SUCH_OPERATION; } } -#else - ldap_pvt_thread_mutex_unlock( &conn->c_mutex ); - *text = "message ID not found"; - return LDAP_NO_SUCH_OPERATION; -#endif - } - if ( op->o_cancel != SLAP_CANCEL_NONE ) { - ldap_pvt_thread_mutex_unlock( &conn->c_mutex ); - *text = "message ID already being cancelled"; - return LDAP_PROTOCOL_ERROR; - } - - op->o_cancel = SLAP_CANCEL_REQ; - ldap_pvt_thread_mutex_unlock( &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; } - -#endif /* LDAP_EXOP_X_CANCEL */