X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Foverlays%2Fsyncprov.c;h=c17597392fac990d23774cfb42288e1c68234cee;hb=4856d82ff9a6f3f0430d5810564453ef2506920e;hp=68821da72f738fa95de491c645e1d4ad4c5f0565;hpb=3167b29812c1eb7b6ec8aecde054d353340f3ba2;p=openldap diff --git a/servers/slapd/overlays/syncprov.c b/servers/slapd/overlays/syncprov.c index 68821da72f..c17597392f 100644 --- a/servers/slapd/overlays/syncprov.c +++ b/servers/slapd/overlays/syncprov.c @@ -2,7 +2,7 @@ /* syncprov.c - syncrepl provider */ /* This work is part of OpenLDAP Software . * - * Copyright 2004-2005 The OpenLDAP Foundation. + * Copyright 2004-2006 The OpenLDAP Foundation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -65,6 +65,7 @@ typedef struct syncops { #define PS_IS_DETACHED 0x02 #define PS_WROTE_BASE 0x04 #define PS_FIND_BASE 0x08 +#define PS_FIX_FILTER 0x10 int s_inuse; /* reference count */ struct syncres *s_res; @@ -450,12 +451,10 @@ syncprov_findbase( Operation *op, fbase_cookie *fc ) case LDAP_SCOPE_SUBTREE: fc->fscope = dnIsSuffix( fc->fdn, &fc->fss->s_base ); break; -#ifdef LDAP_SCOPE_SUBORDINATE case LDAP_SCOPE_SUBORDINATE: fc->fscope = dnIsSuffix( fc->fdn, &fc->fss->s_base ) && !dn_match( fc->fdn, &fc->fss->s_base ); break; -#endif } } @@ -510,7 +509,11 @@ findcsn_cb( Operation *op, SlapReply *rs ) { slap_callback *sc = op->o_callback; - if ( rs->sr_type == REP_SEARCH && rs->sr_err == LDAP_SUCCESS ) { + /* We just want to know that at least one exists, so it's OK if + * we exceed the unchecked limit. + */ + if ( rs->sr_err == LDAP_ADMINLIMIT_EXCEEDED || + (rs->sr_type == REP_SEARCH && rs->sr_err == LDAP_SUCCESS )) { sc->sc_private = (void *)1; } return LDAP_SUCCESS; @@ -771,7 +774,7 @@ syncprov_sendresp( Operation *op, opcookie *opc, syncops *so, rs.sr_flags = REP_ENTRY_MUSTRELEASE; if ( opc->sreference ) { rs.sr_ref = get_entry_referrals( op, rs.sr_entry ); - send_search_reference( op, &rs ); + rs.sr_err = send_search_reference( op, &rs ); ber_bvarray_free( rs.sr_ref ); if ( !rs.sr_entry ) *e = NULL; @@ -783,7 +786,7 @@ syncprov_sendresp( Operation *op, opcookie *opc, syncops *so, if ( rs.sr_entry->e_private ) rs.sr_flags = REP_ENTRY_MUSTRELEASE; rs.sr_attrs = op->ors_attrs; - send_search_entry( op, &rs ); + rs.sr_err = send_search_entry( op, &rs ); if ( !rs.sr_entry ) *e = NULL; break; @@ -795,9 +798,9 @@ syncprov_sendresp( Operation *op, opcookie *opc, syncops *so, if ( opc->sreference ) { struct berval bv = BER_BVNULL; rs.sr_ref = &bv; - send_search_reference( op, &rs ); + rs.sr_err = send_search_reference( op, &rs ); } else { - send_search_entry( op, &rs ); + rs.sr_err = send_search_entry( op, &rs ); } break; default: @@ -819,7 +822,7 @@ syncprov_qplay( Operation *op, slap_overinst *on, syncops *so ) syncres *sr; Entry *e; opcookie opc; - int rc; + int rc = 0; opc.son = on; op->o_bd->bd_info = (BackendInfo *)on->on_info; @@ -875,6 +878,7 @@ syncprov_qtask( void *ctx, void *arg ) OperationBuffer opbuf; Operation *op; BackendDB be; + int rc; op = (Operation *) &opbuf; *op = *so->s_op; @@ -895,20 +899,63 @@ syncprov_qtask( void *ctx, void *arg ) op->o_private = NULL; op->o_callback = NULL; - syncprov_qplay( op, on, so ); + rc = syncprov_qplay( op, on, so ); /* decrement use count... */ syncprov_free_syncop( so ); /* wait until we get explicitly scheduled again */ ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); - ldap_pvt_runqueue_stoptask( &slapd_rq, so->s_qtask ); - ldap_pvt_runqueue_resched( &slapd_rq, so->s_qtask, 1 ); + ldap_pvt_runqueue_stoptask( &slapd_rq, rtask ); + if ( rc == 0 ) { + ldap_pvt_runqueue_resched( &slapd_rq, rtask, 1 ); + } else { + /* bail out on any error */ + ldap_pvt_runqueue_remove( &slapd_rq, rtask ); + } ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); +#if 0 /* FIXME: connection_close isn't exported from slapd. + * should it be? + */ + if ( rc ) { + ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex ); + if ( connection_state_closing( op->o_conn )) { + connection_close( op->o_conn ); + } + ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex ); + } +#endif return NULL; } +/* Start the task to play back queued psearch responses */ +static void +syncprov_qstart( syncops *so ) +{ + int wake=0; + ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); + if ( !so->s_qtask ) { + so->s_qtask = ldap_pvt_runqueue_insert( &slapd_rq, RUNQ_INTERVAL, + syncprov_qtask, so, "syncprov_qtask", + so->s_op->o_conn->c_peer_name.bv_val ); + ++so->s_inuse; + wake = 1; + } else { + if (!ldap_pvt_runqueue_isrunning( &slapd_rq, so->s_qtask ) && + !so->s_qtask->next_sched.tv_sec ) { + so->s_qtask->interval.tv_sec = 0; + ldap_pvt_runqueue_resched( &slapd_rq, so->s_qtask, 0 ); + so->s_qtask->interval.tv_sec = RUNQ_INTERVAL; + ++so->s_inuse; + wake = 1; + } + } + ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); + if ( wake ) + slap_wake_listener(); +} + /* Queue a persistent search response */ static int syncprov_qresp( opcookie *opc, syncops *so, int mode ) @@ -947,22 +994,7 @@ syncprov_qresp( opcookie *opc, syncops *so, int mode ) so->s_flags |= PS_FIND_BASE; } if ( so->s_flags & PS_IS_DETACHED ) { - ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex ); - if ( !so->s_qtask ) { - so->s_qtask = ldap_pvt_runqueue_insert( &slapd_rq, RUNQ_INTERVAL, - syncprov_qtask, so, "syncprov_qtask", - so->s_op->o_conn->c_peer_name.bv_val ); - ++so->s_inuse; - } else { - if (!ldap_pvt_runqueue_isrunning( &slapd_rq, so->s_qtask ) && - !so->s_qtask->next_sched.tv_sec ) { - so->s_qtask->interval.tv_sec = 0; - ldap_pvt_runqueue_resched( &slapd_rq, so->s_qtask, 0 ); - so->s_qtask->interval.tv_sec = RUNQ_INTERVAL; - ++so->s_inuse; - } - } - ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex ); + syncprov_qstart( so ); } ldap_pvt_thread_mutex_unlock( &so->s_mutex ); return LDAP_SUCCESS; @@ -1048,6 +1080,7 @@ syncprov_matchops( Operation *op, opcookie *opc, int saveit ) int rc; struct berval newdn; int freefdn = 0; + BackendDB *b0 = op->o_bd, db; fc.fdn = &op->o_req_ndn; /* compute new DN */ @@ -1060,6 +1093,10 @@ syncprov_matchops( Operation *op, opcookie *opc, int saveit ) freefdn = 1; } if ( op->o_tag != LDAP_REQ_ADD ) { + if ( !SLAP_ISOVERLAY( op->o_bd )) { + db = *op->o_bd; + op->o_bd = &db; + } op->o_bd->bd_info = (BackendInfo *)on->on_info; rc = be_entry_get_rw( op, fc.fdn, NULL, NULL, 0, &e ); /* If we're sending responses now, make a copy and unlock the DB */ @@ -1069,7 +1106,10 @@ syncprov_matchops( Operation *op, opcookie *opc, int saveit ) e = e2; } op->o_bd->bd_info = (BackendInfo *)on; - if ( rc ) return; + if ( rc ) { + op->o_bd = b0; + return; + } } else { e = op->ora_e; } @@ -1167,6 +1207,7 @@ syncprov_matchops( Operation *op, opcookie *opc, int saveit ) if ( freefdn ) { op->o_tmpfree( fc.fdn->bv_val, op->o_tmpmemctx ); } + op->o_bd = b0; } static int @@ -1228,9 +1269,14 @@ syncprov_checkpoint( Operation *op, SlapReply *rs, slap_overinst *on ) struct berval bv[2]; slap_callback cb = {0}; - mod.sml_values = bv; - bv[1].bv_val = NULL; - bv[0] = si->si_ctxcsn; + /* If ctxcsn is empty, delete it */ + if ( BER_BVISEMPTY( &si->si_ctxcsn )) { + mod.sml_values = NULL; + } else { + mod.sml_values = bv; + bv[1].bv_val = NULL; + bv[0] = si->si_ctxcsn; + } mod.sml_nvalues = NULL; mod.sml_desc = slap_schema.si_ad_contextCSN; mod.sml_op = LDAP_MOD_REPLACE; @@ -1255,7 +1301,7 @@ syncprov_checkpoint( Operation *op, SlapReply *rs, slap_overinst *on ) } static void -syncprov_add_slog( Operation *op, struct berval *csn ) +syncprov_add_slog( Operation *op ) { opcookie *opc = op->o_callback->sc_private; slap_overinst *on = opc->son; @@ -1267,18 +1313,18 @@ syncprov_add_slog( Operation *op, struct berval *csn ) { /* Allocate a record. UUIDs are not NUL-terminated. */ se = ch_malloc( sizeof( slog_entry ) + opc->suuid.bv_len + - csn->bv_len + 1 ); + op->o_csn.bv_len + 1 ); se->se_next = NULL; se->se_tag = op->o_tag; - se->se_uuid.bv_val = (char *)(se+1); + se->se_uuid.bv_val = (char *)(&se[1]); AC_MEMCPY( se->se_uuid.bv_val, opc->suuid.bv_val, opc->suuid.bv_len ); se->se_uuid.bv_len = opc->suuid.bv_len; se->se_csn.bv_val = se->se_uuid.bv_val + opc->suuid.bv_len; - AC_MEMCPY( se->se_csn.bv_val, csn->bv_val, csn->bv_len ); - se->se_csn.bv_val[csn->bv_len] = '\0'; - se->se_csn.bv_len = csn->bv_len; + AC_MEMCPY( se->se_csn.bv_val, op->o_csn.bv_val, op->o_csn.bv_len ); + se->se_csn.bv_val[op->o_csn.bv_len] = '\0'; + se->se_csn.bv_len = op->o_csn.bv_len; ldap_pvt_thread_mutex_lock( &sl->sl_mutex ); if ( sl->sl_head ) { @@ -1295,9 +1341,6 @@ syncprov_add_slog( Operation *op, struct berval *csn ) sl->sl_mincsn.bv_len = se->se_csn.bv_len; ch_free( se ); sl->sl_num--; - if ( !sl->sl_head ) { - sl->sl_tail = NULL; - } } ldap_pvt_thread_mutex_unlock( &sl->sl_mutex ); } @@ -1316,12 +1359,14 @@ playlog_cb( Operation *op, SlapReply *rs ) /* enter with sl->sl_mutex locked, release before returning */ static void syncprov_playlog( Operation *op, SlapReply *rs, sessionlog *sl, - struct berval *oldcsn, struct berval *ctxcsn ) + sync_control *srs, struct berval *ctxcsn ) { slap_overinst *on = (slap_overinst *)op->o_bd->bd_info; slog_entry *se; int i, j, ndel, num, nmods, mmods; + char cbuf[LDAP_LUTIL_CSNSTR_BUFSIZE]; BerVarray uuids; + struct berval delcsn; if ( !sl->sl_num ) { ldap_pvt_thread_mutex_unlock( &sl->sl_mutex ); @@ -1334,19 +1379,24 @@ syncprov_playlog( Operation *op, SlapReply *rs, sessionlog *sl, uuids = op->o_tmpalloc( (num+1) * sizeof( struct berval ) + num * UUID_LEN, op->o_tmpmemctx ); - uuids[0].bv_val = (char *)(uuids + num + 1); + delcsn.bv_len = 0; + delcsn.bv_val = cbuf; + /* Make a copy of the relevant UUIDs. Put the Deletes up front * and everything else at the end. Do this first so we can * unlock the list mutex. */ for ( se=sl->sl_head; se; se=se->se_next ) { - if ( ber_bvcmp( &se->se_csn, oldcsn ) < 0 ) continue; + if ( ber_bvcmp( &se->se_csn, &srs->sr_state.ctxcsn ) <= 0 ) continue; if ( ber_bvcmp( &se->se_csn, ctxcsn ) > 0 ) break; if ( se->se_tag == LDAP_REQ_DELETE ) { j = i; i++; + AC_MEMCPY( cbuf, se->se_csn.bv_val, se->se_csn.bv_len ); + delcsn.bv_len = se->se_csn.bv_len; + delcsn.bv_val[delcsn.bv_len] = '\0'; } else { nmods++; j = num - nmods; @@ -1427,6 +1477,7 @@ syncprov_playlog( Operation *op, SlapReply *rs, sessionlog *sl, mf.f_av_value = uuids[i]; cb.sc_private = NULL; fop.ors_slimit = 1; + frs.sr_nentries = 0; rc = fop.o_bd->be_search( &fop, &frs ); /* If entry was not found, add to delete list */ @@ -1437,9 +1488,14 @@ syncprov_playlog( Operation *op, SlapReply *rs, sessionlog *sl, fop.o_bd->bd_info = (BackendInfo *)on; } if ( ndel ) { + struct berval cookie; + + slap_compose_sync_cookie( op, &cookie, &delcsn, srs->sr_state.rid ); uuids[ndel].bv_val = NULL; - syncprov_sendinfo( op, rs, LDAP_TAG_SYNC_ID_SET, NULL, 0, uuids, 1 ); + syncprov_sendinfo( op, rs, LDAP_TAG_SYNC_ID_SET, &cookie, 0, uuids, 1 ); + op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx ); } + op->o_tmpfree( uuids, op->o_tmpmemctx ); } static int @@ -1452,13 +1508,13 @@ syncprov_op_response( Operation *op, SlapReply *rs ) if ( rs->sr_err == LDAP_SUCCESS ) { - struct berval maxcsn = BER_BVNULL, curcsn = BER_BVNULL; + struct berval maxcsn = BER_BVNULL; char cbuf[LDAP_LUTIL_CSNSTR_BUFSIZE]; /* Update our context CSN */ cbuf[0] = '\0'; ldap_pvt_thread_mutex_lock( &si->si_csn_mutex ); - slap_get_commit_csn( op, &maxcsn, &curcsn ); + slap_get_commit_csn( op, &maxcsn ); if ( !BER_BVISNULL( &maxcsn ) ) { strcpy( cbuf, maxcsn.bv_val ); if ( ber_bvcmp( &maxcsn, &si->si_ctxcsn ) > 0 ) { @@ -1519,7 +1575,7 @@ syncprov_op_response( Operation *op, SlapReply *rs ) /* Add any log records */ if ( si->si_logs && op->o_tag != LDAP_REQ_ADD ) { - syncprov_add_slog( op, &curcsn ); + syncprov_add_slog( op ); } } @@ -1754,7 +1810,15 @@ syncprov_detach_op( Operation *op, syncops *so, slap_overinst *on ) op2->ors_filterstr.bv_val = ptr; strcpy( ptr, so->s_filterstr.bv_val ); op2->ors_filterstr.bv_len = so->s_filterstr.bv_len; - op2->ors_filter = str2filter( ptr ); + + /* Skip the AND/GE clause that we stuck on in front */ + if ( so->s_flags & PS_FIX_FILTER ) { + op2->ors_filter = op->ors_filter->f_and->f_next; + so->s_flags ^= PS_FIX_FILTER; + } else { + op2->ors_filter = op->ors_filter; + } + op2->ors_filter = filter_dup( op2->ors_filter, NULL ); so->s_op = op2; /* Copy any cached group ACLs individually */ @@ -1776,6 +1840,9 @@ syncprov_detach_op( Operation *op, syncops *so, slap_overinst *on ) LDAP_STAILQ_INSERT_TAIL( &op->o_conn->c_ops, op2, o_next ); so->s_flags |= PS_IS_DETACHED; ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex ); + + /* Prevent anyone else from trying to send a result for this op */ + op->o_abandon = 1; } static int @@ -1798,15 +1865,28 @@ syncprov_search_response( Operation *op, SlapReply *rs ) return SLAP_CB_CONTINUE; } a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryCSN ); + if ( a == NULL && rs->sr_operational_attrs != NULL ) { + a = attr_find( rs->sr_operational_attrs, slap_schema.si_ad_entryCSN ); + } if ( a ) { - /* Make sure entry is less than the snaphot'd contextCSN */ - if ( ber_bvcmp( &a->a_nvals[0], &ss->ss_ctxcsn ) > 0 ) + /* Make sure entry is less than the snapshot'd contextCSN */ + if ( ber_bvcmp( &a->a_nvals[0], &ss->ss_ctxcsn ) > 0 ) { + Debug( LDAP_DEBUG_SYNC, "Entry %s CSN %s greater than snapshot %s\n", + rs->sr_entry->e_name.bv_val, + a->a_nvals[0].bv_val, + ss->ss_ctxcsn.bv_val ); return LDAP_SUCCESS; + } /* Don't send the ctx entry twice */ if ( !BER_BVISNULL( &srs->sr_state.ctxcsn ) && - bvmatch( &a->a_nvals[0], &srs->sr_state.ctxcsn ) ) + bvmatch( &a->a_nvals[0], &srs->sr_state.ctxcsn ) ) { + Debug( LDAP_DEBUG_SYNC, "Entry %s CSN %s matches ctx %s\n", + rs->sr_entry->e_name.bv_val, + a->a_nvals[0].bv_val, + srs->sr_state.ctxcsn.bv_val ); return LDAP_SUCCESS; + } } rs->sr_ctrls = op->o_tmpalloc( sizeof(LDAPControl *)*2, op->o_tmpmemctx ); @@ -1830,7 +1910,7 @@ syncprov_search_response( Operation *op, SlapReply *rs ) op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx ); } else { /* It's RefreshAndPersist, transition to Persist phase */ - syncprov_sendinfo( op, rs, ( ss->ss_present && rs->sr_nentries ) ? + syncprov_sendinfo( op, rs, ss->ss_present ? LDAP_TAG_SYNC_REFRESH_PRESENT : LDAP_TAG_SYNC_REFRESH_DELETE, &cookie, 1, NULL, 0 ); op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx ); @@ -1842,6 +1922,10 @@ syncprov_search_response( Operation *op, SlapReply *rs ) ss->ss_so->s_flags ^= PS_IS_REFRESHING; syncprov_detach_op( op, ss->ss_so, on ); + + /* If there are queued responses, fire them off */ + if ( ss->ss_so->s_res ) + syncprov_qstart( ss->ss_so ); ldap_pvt_thread_mutex_unlock( &ss->ss_so->s_mutex ); return LDAP_SUCCESS; @@ -1891,10 +1975,12 @@ syncprov_op_search( Operation *op, SlapReply *rs ) /* syncprov_findbase expects to be called as a callback... */ sc.sc_private = &opc; opc.son = on; + ldap_pvt_thread_mutex_init( &so.s_mutex ); cb = op->o_callback; op->o_callback = ≻ rs->sr_err = syncprov_findbase( op, &fc ); op->o_callback = cb; + ldap_pvt_thread_mutex_destroy( &so.s_mutex ); if ( rs->sr_err != LDAP_SUCCESS ) { send_ldap_result( op, rs ); @@ -1947,10 +2033,13 @@ syncprov_op_search( Operation *op, SlapReply *rs ) sl=si->si_logs; if ( sl ) { ldap_pvt_thread_mutex_lock( &sl->sl_mutex ); - if ( ber_bvcmp( &srs->sr_state.ctxcsn, &sl->sl_mincsn ) >= 0 ) { + /* Are there any log entries, and is the consumer state + * present in the session log? + */ + if ( sl->sl_num > 0 && ber_bvcmp( &srs->sr_state.ctxcsn, &sl->sl_mincsn ) >= 0 ) { do_present = 0; /* mutex is unlocked in playlog */ - syncprov_playlog( op, rs, sl, &srs->sr_state.ctxcsn, &ctxcsn ); + syncprov_playlog( op, rs, sl, srs, &ctxcsn ); } else { ldap_pvt_thread_mutex_unlock( &sl->sl_mutex ); } @@ -2001,6 +2090,8 @@ shortcut: fava->f_next = op->ors_filter; op->ors_filter = fand; filter2bv_x( op, op->ors_filter, &op->ors_filterstr ); + if ( sop ) + sop->s_flags |= PS_FIX_FILTER; } /* Let our callback add needed info to returned entries */ @@ -2058,13 +2149,10 @@ syncprov_operational( if ( !a ) { for ( ap = &rs->sr_operational_attrs; *ap; ap=&(*ap)->a_next ); - a = ch_malloc( sizeof(Attribute)); - a->a_desc = slap_schema.si_ad_contextCSN; + a = attr_alloc( slap_schema.si_ad_contextCSN ); a->a_vals = ch_malloc( 2 * sizeof(struct berval)); a->a_vals[1].bv_val = NULL; a->a_nvals = a->a_vals; - a->a_next = NULL; - a->a_flags = 0; *ap = a; } @@ -2191,8 +2279,31 @@ sp_cf_gen(ConfigArgs *c) } switch ( c->type ) { case SP_CHKPT: - si->si_chkops = atoi( c->argv[1] ); - si->si_chktime = atoi( c->argv[2] ) * 60; + if ( lutil_atoi( &si->si_chkops, c->argv[1] ) != 0 ) { + sprintf( c->msg, "%s unable to parse checkpoint ops # \"%s\"", + c->argv[0], c->argv[1] ); + Debug( LDAP_DEBUG_CONFIG, "%s: %s\n", c->log, c->msg, 0 ); + return ARG_BAD_CONF; + } + if ( si->si_chkops <= 0 ) { + sprintf( c->msg, "%s invalid checkpoint ops # \"%d\"", + c->argv[0], si->si_chkops ); + Debug( LDAP_DEBUG_CONFIG, "%s: %s\n", c->log, c->msg, 0 ); + return ARG_BAD_CONF; + } + if ( lutil_atoi( &si->si_chktime, c->argv[2] ) != 0 ) { + sprintf( c->msg, "%s unable to parse checkpoint time \"%s\"", + c->argv[0], c->argv[1] ); + Debug( LDAP_DEBUG_CONFIG, "%s: %s\n", c->log, c->msg, 0 ); + return ARG_BAD_CONF; + } + if ( si->si_chktime <= 0 ) { + sprintf( c->msg, "%s invalid checkpoint time \"%d\"", + c->argv[0], si->si_chkops ); + Debug( LDAP_DEBUG_CONFIG, "%s: %s\n", c->log, c->msg, 0 ); + return ARG_BAD_CONF; + } + si->si_chktime *= 60; break; case SP_SESSL: { sessionlog *sl; @@ -2251,8 +2362,8 @@ syncprov_db_open( slap_overinst *on = (slap_overinst *) be->bd_info; syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private; - Connection conn; - OperationBuffer opbuf; + Connection conn = { 0 }; + OperationBuffer opbuf = { 0 }; char ctxcsnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE]; Operation *op = (Operation *) &opbuf; Entry *e; @@ -2260,6 +2371,12 @@ syncprov_db_open( int rc; void *thrctx = NULL; + if ( !SLAP_LASTMOD( be )) { + Debug( LDAP_DEBUG_ANY, + "syncprov_db_open: invalid config, lastmod must be enabled\n", 0, 0, 0 ); + return -1; + } + if ( slapMode & SLAP_TOOL_MODE ) { return 0; } @@ -2295,21 +2412,24 @@ syncprov_db_open( strcpy( ctxcsnbuf, si->si_ctxcsnbuf ); } be_entry_release_rw( op, e, 0 ); - op->o_bd->bd_info = (BackendInfo *)on; - op->o_req_dn = be->be_suffix[0]; - op->o_req_ndn = be->be_nsuffix[0]; - op->ors_scope = LDAP_SCOPE_SUBTREE; - ldap_pvt_thread_create( &tid, 0, syncprov_db_otask, op ); - ldap_pvt_thread_join( tid, NULL ); - } else if ( SLAP_SYNC_SHADOW( op->o_bd )) { - /* If we're also a consumer, and we didn't find the context entry, - * then don't generate anything, wait for our provider to send it - * to us. - */ - goto out; + if ( !BER_BVISEMPTY( &si->si_ctxcsn ) ) { + op->o_bd->bd_info = (BackendInfo *)on; + op->o_req_dn = be->be_suffix[0]; + op->o_req_ndn = be->be_nsuffix[0]; + op->ors_scope = LDAP_SCOPE_SUBTREE; + ldap_pvt_thread_create( &tid, 0, syncprov_db_otask, op ); + ldap_pvt_thread_join( tid, NULL ); + } } if ( BER_BVISEMPTY( &si->si_ctxcsn ) ) { + if ( SLAP_SYNC_SHADOW( op->o_bd )) { + /* If we're also a consumer, and we didn't get a contextCSN, + * then don't generate anything, wait for our provider to send it + * to us. + */ + goto out; + } si->si_ctxcsn.bv_len = sizeof( si->si_ctxcsnbuf ); slap_get_csn( op, &si->si_ctxcsn, 0 ); } @@ -2394,6 +2514,17 @@ syncprov_db_destroy( syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private; if ( si ) { + if ( si->si_logs ) { + slog_entry *se = si->si_logs->sl_head; + + while ( se ) { + slog_entry *se_next = se->se_next; + ch_free( se ); + se = se_next; + } + + ch_free( si->si_logs ); + } ldap_pvt_thread_mutex_destroy( &si->si_mods_mutex ); ldap_pvt_thread_mutex_destroy( &si->si_ops_mutex ); ldap_pvt_thread_mutex_destroy( &si->si_csn_mutex ); @@ -2512,12 +2643,12 @@ static int syncprov_parseCtrl ( static slap_overinst syncprov; int -syncprov_init() +syncprov_initialize() { int rc; rc = register_supported_control( LDAP_CONTROL_SYNC, - SLAP_CTRL_HIDE|SLAP_CTRL_SEARCH, NULL, + SLAP_CTRL_SEARCH, NULL, syncprov_parseCtrl, &slap_cids.sc_LDAPsync ); if ( rc != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_ANY, @@ -2557,7 +2688,7 @@ syncprov_init() int init_module( int argc, char *argv[] ) { - return syncprov_init(); + return syncprov_initialize(); } #endif /* SLAPD_OVER_SYNCPROV == SLAPD_MOD_DYNAMIC */