mirror of
https://git.openldap.org/openldap/openldap.git
synced 2025-01-24 13:24:56 +08:00
Better delta syncrepl support, fallback to full refresh.
This commit is contained in:
Howard Chu
parent
711c702943
commit
17a7ce8de5
@ -41,14 +41,19 @@ struct nonpresent_entry {
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#define SYNCDATA_ACCESSLOG 1 /* entries are accesslog format */
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#define SYNCDATA_CHANGELOG 2 /* entries are changelog format */
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#define SYNCLOG_LOGGING 0 /* doing a log-based update */
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#define SYNCLOG_FALLBACK 1 /* doing a full refresh */
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typedef struct syncinfo_s {
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struct slap_backend_db *si_be;
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struct re_s *si_re;
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long si_rid;
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struct berval si_provideruri;
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slap_bindconf si_bindconf;
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struct berval si_filterstr;
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struct berval si_base;
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struct berval si_logbase;
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struct berval si_filterstr;
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struct berval si_logfilterstr;
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int si_scope;
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int si_attrsonly;
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char *si_anfile;
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@ -71,6 +76,7 @@ typedef struct syncinfo_s {
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int si_refreshDelete;
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int si_refreshPresent;
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int si_syncdata;
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int si_logstate;
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Avlnode *si_presentlist;
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LDAP *si_ld;
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LDAP_LIST_HEAD(np, nonpresent_entry) si_nonpresentlist;
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@ -266,6 +272,8 @@ init_syncrepl(syncinfo_t *si)
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si->si_exattrs = exattrs;
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}
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static char *allattrs[] = {"*", "+", NULL};
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static int
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ldap_sync_search(
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syncinfo_t *si,
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@ -277,18 +285,53 @@ ldap_sync_search(
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struct timeval timeout;
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ber_int_t msgid;
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int rc;
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int rhint;
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char *base;
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char **attrs;
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char *filter;
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int attrsonly;
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int stype;
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int scope;
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/* setup LDAP SYNC control */
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ber_init2( ber, NULL, LBER_USE_DER );
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ber_set_option( ber, LBER_OPT_BER_MEMCTX, &ctx );
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/* If we're using a log but we have no state, then fallback to
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* normal mode for a full refresh.
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*/
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if ( si->si_syncdata && BER_BVISEMPTY( &si->si_syncCookie.ctxcsn ))
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si->si_logstate = SYNCLOG_FALLBACK;
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/* Use the log parameters if we're in log mode */
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if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
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rhint = 0;
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base = si->si_logbase.bv_val;
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filter = si->si_logfilterstr.bv_val;
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attrs = allattrs;
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attrsonly = 0;
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scope = LDAP_SCOPE_ONELEVEL;
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} else {
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rhint = 1;
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base = si->si_base.bv_val;
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filter = si->si_filterstr.bv_val;
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attrs = si->si_attrs;
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attrsonly = si->si_attrsonly;
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scope = si->si_scope;
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}
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if ( si->si_syncdata && si->si_logstate == SYNCLOG_FALLBACK ) {
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stype = LDAP_SYNC_REFRESH_ONLY;
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} else {
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stype = si->si_type;
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}
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if ( !BER_BVISNULL( &si->si_syncCookie.octet_str ) )
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{
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ber_printf( ber, "{eOb}",
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abs(si->si_type), &si->si_syncCookie.octet_str, 1 );
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abs(stype), &si->si_syncCookie.octet_str, rhint );
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} else {
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ber_printf( ber, "{eb}",
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abs(si->si_type), 1 );
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abs(stype), rhint );
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}
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if ( (rc = ber_flatten2( ber, &c[0].ldctl_value, 0 )) == LBER_ERROR ) {
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@ -313,8 +356,7 @@ ldap_sync_search(
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timeout.tv_sec = si->si_tlimit;
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timeout.tv_usec = 0;
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rc = ldap_search_ext( si->si_ld, si->si_base.bv_val, si->si_scope,
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si->si_filterstr.bv_val, si->si_attrs, si->si_attrsonly,
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rc = ldap_search_ext( si->si_ld, base, scope, filter, attrs, attrsonly,
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ctrls, NULL, si->si_tlimit > 0 ? &timeout : NULL,
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si->si_slimit, &msgid );
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ber_free_buf( ber );
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@ -621,7 +663,7 @@ do_syncrep2(
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slap_parse_sync_cookie( &syncCookie, NULL );
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}
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}
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if ( si->si_syncdata ) {
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if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
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entry = NULL;
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modlist = NULL;
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if ( syncrepl_message_to_op( si, op, msg ) == LDAP_SUCCESS &&
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@ -657,6 +699,13 @@ do_syncrep2(
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"do_syncrep2: LDAP_RES_SEARCH_RESULT\n", 0, 0, 0 );
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ldap_parse_result( si->si_ld, msg, &err, NULL, NULL, NULL,
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&rctrls, 0 );
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if ( err == LDAP_SYNC_REFRESH_REQUIRED ) {
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if ( si->si_logstate == SYNCLOG_LOGGING ) {
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si->si_logstate = SYNCLOG_FALLBACK;
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}
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rc = err;
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break;
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}
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if ( rctrls ) {
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rctrlp = *rctrls;
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ber_init2( ber, &rctrlp->ldctl_value, LBER_USE_DER );
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@ -712,7 +761,13 @@ do_syncrep2(
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si->si_presentlist = NULL;
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}
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}
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rc = -2;
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if ( err == LDAP_SUCCESS
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&& si->si_logstate == SYNCLOG_FALLBACK ) {
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si->si_logstate = SYNCLOG_LOGGING;
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rc = LDAP_SYNC_REFRESH_REQUIRED;
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} else {
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rc = -2;
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}
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goto done;
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break;
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@ -885,7 +940,7 @@ done:
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if ( res ) ldap_msgfree( res );
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if ( rc && si->si_ld ) {
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if ( rc && rc != LDAP_SYNC_REFRESH_REQUIRED && si->si_ld ) {
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ldap_unbind_ext( si->si_ld, NULL, NULL );
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si->si_ld = NULL;
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}
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@ -951,6 +1006,7 @@ do_syncrepl(
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/* Establish session, do search */
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if ( !si->si_ld ) {
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reload:
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first = 1;
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si->si_refreshDelete = 0;
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si->si_refreshPresent = 0;
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@ -962,6 +1018,8 @@ do_syncrepl(
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ldap_get_option( si->si_ld, LDAP_OPT_DESC, &s );
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rc = do_syncrep2( op, si );
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if ( rc == LDAP_SYNC_REFRESH_REQUIRED )
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goto reload;
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if ( abs(si->si_type) == LDAP_SYNC_REFRESH_AND_PERSIST ) {
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/* If we succeeded, enable the connection for further listening.
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@ -1222,6 +1280,9 @@ syncrepl_message_to_op(
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deleteOldRdn = 1;
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} else if ( !ber_bvstrcasecmp( &bv, &ls->ls_newSup )) {
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sup = bvals[0];
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} else if ( !ber_bvstrcasecmp( &bv,
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&slap_schema.si_ad_entryCSN->ad_cname )) {
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slap_queue_csn( op, bvals );
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}
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ch_free( bvals );
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}
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@ -1285,6 +1346,7 @@ syncrepl_message_to_op(
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break;
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}
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done:
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slap_graduate_commit_csn( op );
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if ( modlist )
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slap_mods_free( modlist, op->o_tag != LDAP_REQ_ADD );
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if ( !BER_BVISNULL( &rdn )) {
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@ -2540,6 +2602,8 @@ syncinfo_free( syncinfo_t *sie )
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#define SYNCDATASTR "syncdata"
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/* FIXME: undocumented */
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#define LOGBASESTR "logbase"
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#define LOGFILTERSTR "logfilter"
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#define OLDAUTHCSTR "bindprincipal"
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#define EXATTRSSTR "exattrs"
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#define MANAGEDSAITSTR "manageDSAit"
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@ -2632,6 +2696,13 @@ parse_syncrepl_line(
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if ( si->si_filterstr.bv_val )
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ch_free( si->si_filterstr.bv_val );
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ber_str2bv( val, 0, 1, &si->si_filterstr );
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} else if ( !strncasecmp( cargv[ i ], LOGFILTERSTR "=",
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STRLENOF( LOGFILTERSTR "=" ) ) )
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{
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val = cargv[ i ] + STRLENOF( LOGFILTERSTR "=" );
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if ( si->si_logfilterstr.bv_val )
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ch_free( si->si_logfilterstr.bv_val );
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ber_str2bv( val, 0, 1, &si->si_logfilterstr );
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} else if ( !strncasecmp( cargv[ i ], SEARCHBASESTR "=",
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STRLENOF( SEARCHBASESTR "=" ) ) )
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{
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@ -2649,6 +2720,23 @@ parse_syncrepl_line(
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val, rc, ldap_err2string( rc ) );
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return -1;
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}
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} else if ( !strncasecmp( cargv[ i ], LOGBASESTR "=",
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STRLENOF( LOGBASESTR "=" ) ) )
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{
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struct berval bv;
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int rc;
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val = cargv[ i ] + STRLENOF( LOGBASESTR "=" );
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if ( si->si_logbase.bv_val ) {
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ch_free( si->si_logbase.bv_val );
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}
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ber_str2bv( val, 0, 0, &bv );
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rc = dnNormalize( 0, NULL, NULL, &bv, &si->si_logbase, NULL );
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if ( rc != LDAP_SUCCESS ) {
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fprintf( stderr, "Invalid logbase DN \"%s\": %d (%s)\n",
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val, rc, ldap_err2string( rc ) );
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return -1;
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}
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} else if ( !strncasecmp( cargv[ i ], SCOPESTR "=",
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STRLENOF( SCOPESTR "=" ) ) )
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{
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@ -2980,6 +3068,16 @@ syncrepl_unparse( syncinfo_t *si, struct berval *bv )
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ptr = lutil_strcopy( ptr, si->si_base.bv_val );
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*ptr++ = '"';
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}
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if ( !BER_BVISEMPTY( &si->si_logfilterstr )) {
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ptr = lutil_strcopy( ptr, " " LOGFILTERSTR "=\"" );
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ptr = lutil_strcopy( ptr, si->si_logfilterstr.bv_val );
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*ptr++ = '"';
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}
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if ( !BER_BVISNULL( &si->si_logbase )) {
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ptr = lutil_strcopy( ptr, " " LOGBASESTR "=\"" );
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ptr = lutil_strcopy( ptr, si->si_logbase.bv_val );
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*ptr++ = '"';
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}
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for (i=0; !BER_BVISNULL(&scopes[i].key);i++) {
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if ( si->si_scope == scopes[i].val ) {
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ptr = lutil_strcopy( ptr, " " SCOPESTR "=" );
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