Adding upstream version 2.6.7+dfsg.upstream/2.6.7+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 809 insertions, 0 deletions

diff --git a/tests/progs/slapd-watcher.c b/tests/progs/slapd-watcher.c
new file mode 100644
index 0000000..50d9d1d
--- /dev/null
+++ b/tests/progs/slapd-watcher.c
@@ -0,0 +1,809 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2022 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 file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by Howard Chu for inclusion
+ * in OpenLDAP Software.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include "ac/signal.h"
+#include "ac/stdlib.h"
+#include "ac/time.h"
+
+#include "ac/ctype.h"
+#include "ac/param.h"
+#include "ac/socket.h"
+#include "ac/string.h"
+#include "ac/unistd.h"
+#include "ac/wait.h"
+#include "ac/time.h"
+
+#include "ldap.h"
+#include "lutil.h"
+#include "lutil_ldap.h"
+#include "lber_pvt.h"
+#include "ldap_pvt.h"
+
+#include "slapd-common.h"
+
+#define SLAP_SYNC_SID_MAX	4095
+
+#define	HAS_MONITOR	1
+#define	HAS_BASE	2
+#define	HAS_ENTRIES	4
+#define	HAS_SREPL	8
+#define HAS_ALL (HAS_MONITOR|HAS_BASE|HAS_ENTRIES|HAS_SREPL)
+
+
+#define WAS_LATE	0x100
+#define WAS_DOWN	0x200
+#define WAS_INIT	0x400
+
+#define	MONFILTER	"(objectClass=monitorOperation)"
+
+static const char *default_monfilter = MONFILTER;
+
+typedef enum {
+    SLAP_OP_BIND = 0,
+    SLAP_OP_UNBIND,
+    SLAP_OP_SEARCH,
+    SLAP_OP_COMPARE,
+    SLAP_OP_MODIFY,
+    SLAP_OP_MODRDN,
+    SLAP_OP_ADD,
+    SLAP_OP_DELETE,
+    SLAP_OP_ABANDON,
+    SLAP_OP_EXTENDED,
+    SLAP_OP_LAST
+} slap_op_t;
+
+struct opname {
+	struct berval rdn;
+	char *display;
+} opnames[] = {
+	{ BER_BVC("cn=Bind"),		"Bind" },
+	{ BER_BVC("cn=Unbind"),		"Unbind" },
+	{ BER_BVC("cn=Search"),		"Search" },
+	{ BER_BVC("cn=Compare"),	"Compare" },
+	{ BER_BVC("cn=Modify"),		"Modify" },
+	{ BER_BVC("cn=Modrdn"),		"ModDN" },
+	{ BER_BVC("cn=Add"),		"Add" },
+	{ BER_BVC("cn=Delete"),		"Delete" },
+	{ BER_BVC("cn=Abandon"),	"Abandon" },
+	{ BER_BVC("cn=Extended"),	"Extended" },
+	{ BER_BVNULL, NULL }
+};
+
+typedef struct counters {
+	struct timeval time;
+	unsigned long entries;
+	unsigned long ops[SLAP_OP_LAST];
+} counters;
+
+typedef struct csns {
+	struct berval *vals;
+	struct timeval *tvs;
+} csns;
+
+typedef struct activity {
+	time_t active;
+	time_t idle;
+	time_t maxlag;
+	time_t lag;
+} activity;
+
+typedef struct server {
+	char *url;
+	LDAP *ld;
+	int flags;
+	int sid;
+	struct berval monitorbase;
+	char *monitorfilter;
+	time_t late;
+	time_t down;
+	counters c_prev;
+	counters c_curr;
+	csns csn_prev;
+	csns csn_curr;
+	activity *times;
+} server;
+
+static void
+usage( char *name, char opt )
+{
+	if ( opt ) {
+		fprintf( stderr, "%s: unable to handle option \'%c\'\n\n",
+			name, opt );
+	}
+
+	fprintf( stderr, "usage: %s "
+		"[-D <dn> [ -w <passwd> ]] "
+		"[-d <level>] "
+		"[-O <SASL secprops>] "
+		"[-R <SASL realm>] "
+		"[-U <SASL authcid> [-X <SASL authzid>]] "
+		"[-x | -Y <SASL mech>] "
+		"[-i <interval>] "
+		"[-s <sids>] "
+		"[-c <contextDN>] "
+		"[-b <baseDN> ] URI[...]\n",
+		name );
+	exit( EXIT_FAILURE );
+}
+
+struct berval base, cbase;
+int interval = 10;
+int numservers;
+server *servers;
+char *monfilter;
+
+struct berval at_namingContexts = BER_BVC("namingContexts");
+struct berval at_monitorOpCompleted = BER_BVC("monitorOpCompleted");
+struct berval at_olmMDBEntries = BER_BVC("olmMDBEntries");
+struct berval at_contextCSN = BER_BVC("contextCSN");
+
+void timestamp(time_t *tt)
+{
+	struct tm *tm = gmtime(tt);
+	printf("%d-%02d-%02d %02d:%02d:%02d",
+		tm->tm_year + 1900, tm->tm_mon+1, tm->tm_mday,
+		tm->tm_hour, tm->tm_min, tm->tm_sec);
+}
+
+void deltat(time_t *tt)
+{
+	struct tm *tm = gmtime(tt);
+	if (tm->tm_mday-1)
+		printf("%02d+", tm->tm_mday-1);
+	printf("%02d:%02d:%02d",
+		tm->tm_hour, tm->tm_min, tm->tm_sec);
+}
+
+static char *clearscreen = "\033[H\033[2J";
+
+void rotate_stats( server *sv )
+{
+	if ( sv->flags & HAS_MONITOR )
+		sv->c_prev = sv->c_curr;
+	if ( sv->flags & HAS_BASE ) {
+		int i;
+
+		for (i=0; i<numservers; i++) {
+			if ( sv->csn_curr.vals[i].bv_len ) {
+				ber_bvreplace(&sv->csn_prev.vals[i],
+					&sv->csn_curr.vals[i]);
+				sv->csn_prev.tvs[i] = sv->csn_curr.tvs[i];
+			} else {
+				if ( sv->csn_prev.vals[i].bv_val )
+					sv->csn_prev.vals[i].bv_val[0] = '\0';
+			}
+		}
+	}
+}
+
+void display()
+{
+	int i, j;
+	struct timeval now;
+	time_t now_t;
+
+	gettimeofday(&now, NULL);
+	now_t = now.tv_sec;
+	printf("%s", clearscreen);
+	timestamp(&now_t);
+	printf("\n");
+
+	for (i=0; i<numservers; i++) {
+		printf("\n%s", servers[i].url );
+		if ( !(servers[i].flags & WAS_INIT )) {
+			printf(", unknown");
+		}
+		if ( servers[i].flags & WAS_DOWN ) {
+			printf(", down@");
+			timestamp( &servers[i].down );
+		}
+		if ( servers[i].flags & WAS_LATE ) {
+			printf(", late@");
+			timestamp( &servers[i].late );
+		}
+		printf("\n");
+		if ( servers[i].flags & HAS_MONITOR ) {
+			struct timeval tv;
+			double rate, duration;
+			long delta;
+			printf("      ");
+			if ( servers[i].flags & HAS_ENTRIES )
+				printf("  Entries  ");
+			for ( j = 0; j<SLAP_OP_LAST; j++ )
+				printf(" %9s ", opnames[j].display);
+			printf("\n");
+			printf("Num   ");
+			if ( servers[i].flags & HAS_ENTRIES )
+				printf("%10lu ", servers[i].c_curr.entries);
+			for ( j = 0; j<SLAP_OP_LAST; j++ )
+				printf("%10lu ", servers[i].c_curr.ops[j]);
+			printf("\n");
+			printf("Num/s ");
+			tv.tv_usec = now.tv_usec - servers[i].c_prev.time.tv_usec;
+			tv.tv_sec = now.tv_sec - servers[i].c_prev.time.tv_sec;
+			if ( tv.tv_usec < 0 ) {
+				tv.tv_usec += 1000000;
+				tv.tv_sec--;
+			}
+			duration = tv.tv_sec + (tv.tv_usec / (double)1000000);
+			if ( servers[i].flags & HAS_ENTRIES ) {
+				delta = servers[i].c_curr.entries - servers[i].c_prev.entries;
+				rate = delta / duration;
+				printf("%10.2f ", rate);
+			}
+			for ( j = 0; j<SLAP_OP_LAST; j++ ) {
+				delta = servers[i].c_curr.ops[j] - servers[i].c_prev.ops[j];
+				rate = delta / duration;
+				printf("%10.2f ", rate);
+			}
+			printf("\n");
+		}
+		if ( servers[i].flags & HAS_BASE ) {
+			for (j=0; j<numservers; j++) {
+				/* skip empty CSNs */
+				if (!servers[i].csn_curr.vals[j].bv_len ||
+					!servers[i].csn_curr.vals[j].bv_val[0])
+					continue;
+				printf("contextCSN: %s", servers[i].csn_curr.vals[j].bv_val );
+				if (ber_bvcmp(&servers[i].csn_curr.vals[j],
+							&servers[i].csn_prev.vals[j])) {
+					/* a difference */
+					if (servers[i].times[j].idle) {
+						servers[i].times[j].idle = 0;
+						servers[i].times[j].active = 0;
+						servers[i].times[j].maxlag = 0;
+						servers[i].times[j].lag = 0;
+					}
+active:
+					if (!servers[i].times[j].active)
+						servers[i].times[j].active = now_t;
+					printf(" actv@");
+					timestamp(&servers[i].times[j].active);
+				} else if ( servers[i].times[j].lag || ( servers[i].flags & WAS_LATE )) {
+					goto active;
+				} else {
+					if (servers[i].times[j].active && !servers[i].times[j].idle)
+						servers[i].times[j].idle = now_t;
+					if (servers[i].times[j].active) {
+						printf(" actv@");
+						timestamp(&servers[i].times[j].active);
+						printf(", idle@");
+						timestamp(&servers[i].times[j].idle);
+					} else {
+						printf(" idle");
+					}
+				}
+				if (i != j) {
+					if (ber_bvcmp(&servers[i].csn_curr.vals[j],
+						&servers[j].csn_curr.vals[j])) {
+						struct timeval delta;
+						int ahead = 0;
+						time_t deltatt;
+						delta.tv_sec = servers[j].csn_curr.tvs[j].tv_sec -
+							servers[i].csn_curr.tvs[j].tv_sec;
+						delta.tv_usec = servers[j].csn_curr.tvs[j].tv_usec -
+							servers[i].csn_curr.tvs[j].tv_usec;
+						if (delta.tv_usec < 0) {
+							delta.tv_usec += 1000000;
+							delta.tv_sec--;
+						}
+						if (delta.tv_sec < 0) {
+							delta.tv_sec = -delta.tv_sec;
+							ahead = 1;
+						}
+						deltatt = delta.tv_sec;
+						if (ahead)
+							printf(", ahead ");
+						else
+							printf(", behind ");
+						deltat( &deltatt );
+						servers[i].times[j].lag = deltatt;
+						if (deltatt > servers[i].times[j].maxlag)
+							servers[i].times[j].maxlag = deltatt;
+					} else {
+						servers[i].times[j].lag = 0;
+						printf(", sync'd");
+					}
+					if (servers[i].times[j].maxlag) {
+						printf(", max delta ");
+						deltat( &servers[i].times[j].maxlag );
+					}
+				}
+				printf("\n");
+			}
+		}
+		if ( !( servers[i].flags & WAS_LATE ))
+			rotate_stats( &servers[i] );
+	}
+}
+
+void get_counters(
+	LDAP *ld,
+	LDAPMessage *e,
+	BerElement *ber,
+	counters *c )
+{
+	int rc;
+	slap_op_t op = SLAP_OP_BIND;
+	struct berval dn, bv, *bvals, **bvp = &bvals;
+
+	do {
+		int done = 0;
+		for ( rc = ldap_get_attribute_ber( ld, e, ber, &bv, bvp );
+			rc == LDAP_SUCCESS;
+			rc = ldap_get_attribute_ber( ld, e, ber, &bv, bvp )) {
+
+			if ( bv.bv_val == NULL ) break;
+			if ( !ber_bvcmp( &bv, &at_monitorOpCompleted ) && bvals ) {
+				c->ops[op] = strtoul( bvals[0].bv_val, NULL, 0 );
+				done = 1;
+			}
+			if ( bvals ) {
+				ber_memfree( bvals );
+				bvals = NULL;
+			}
+			if ( done )
+				break;
+		}
+		ber_free( ber, 0 );
+		e = ldap_next_entry( ld, e );
+		if ( !e )
+			break;
+		ldap_get_dn_ber( ld, e, &ber, &dn );
+		op++;
+	} while ( op < SLAP_OP_LAST );
+}
+
+int
+slap_parse_csn_sid( struct berval *csnp )
+{
+	char *p, *q;
+	struct berval csn = *csnp;
+	int i;
+
+	p = ber_bvchr( &csn, '#' );
+	if ( !p )
+		return -1;
+	p++;
+	csn.bv_len -= p - csn.bv_val;
+	csn.bv_val = p;
+
+	p = ber_bvchr( &csn, '#' );
+	if ( !p )
+		return -1;
+	p++;
+	csn.bv_len -= p - csn.bv_val;
+	csn.bv_val = p;
+
+	q = ber_bvchr( &csn, '#' );
+	if ( !q )
+		return -1;
+
+	csn.bv_len = q - p;
+
+	i = strtol( p, &q, 16 );
+	if ( p == q || q != p + csn.bv_len || i < 0 || i > SLAP_SYNC_SID_MAX ) {
+		i = -1;
+	}
+
+	return i;
+}
+
+void get_csns(
+	csns *c,
+	struct berval *bvs
+)
+{
+	int i, j;
+
+	/* clear old values if any */
+	for (i=0; i<numservers; i++)
+		if ( c->vals[i].bv_val )
+			c->vals[i].bv_val[0] = '\0';
+
+	for (i=0; bvs[i].bv_val; i++) {
+		struct lutil_tm tm;
+		struct lutil_timet tt;
+		int sid = slap_parse_csn_sid( &bvs[i] );
+		for (j=0; j<numservers; j++)
+			if (sid == servers[j].sid) break;
+		if (j < numservers) {
+			ber_bvreplace( &c->vals[j], &bvs[i] );
+			lutil_parsetime(bvs[i].bv_val, &tm);
+			c->tvs[j].tv_usec = tm.tm_nsec / 1000;
+			lutil_tm2time( &tm, &tt );
+			c->tvs[j].tv_sec = tt.tt_sec;
+		}
+	}
+}
+
+int
+setup_server( struct tester_conn_args *config, server *sv )
+{
+	config->uri = sv->url;
+	tester_init_ld( &sv->ld, config, TESTER_INIT_NOEXIT );
+	if ( !sv->ld )
+		return -1;
+
+	sv->flags &= ~HAS_ALL;
+	{
+		char *attrs[] = { at_namingContexts.bv_val, at_monitorOpCompleted.bv_val,
+			at_olmMDBEntries.bv_val, NULL };
+		LDAPMessage *res = NULL, *e = NULL;
+		BerElement *ber = NULL;
+		LDAP *ld = sv->ld;
+		struct berval dn, bv, *bvals, **bvp = &bvals;
+		int j, rc;
+
+		rc = ldap_search_ext_s( ld, "cn=monitor", LDAP_SCOPE_SUBTREE, monfilter,
+			attrs, 0, NULL, NULL, NULL, LDAP_NO_LIMIT, &res );
+		switch(rc) {
+		case LDAP_SIZELIMIT_EXCEEDED:
+		case LDAP_TIMELIMIT_EXCEEDED:
+		case LDAP_SUCCESS:
+			gettimeofday( &sv->c_curr.time, 0 );
+			sv->flags |= HAS_MONITOR;
+			for ( e = ldap_first_entry( ld, res ); e; e = ldap_next_entry( ld, e )) {
+				ldap_get_dn_ber( ld, e, &ber, &dn );
+				if ( !strncasecmp( dn.bv_val, "cn=Database", sizeof("cn=Database")-1 ) ||
+					!strncasecmp( dn.bv_val, "cn=Frontend", sizeof("cn=Frontend")-1 )) {
+					int matched = 0;
+					for ( rc = ldap_get_attribute_ber( ld, e, ber, &bv, bvp );
+						rc == LDAP_SUCCESS;
+						rc = ldap_get_attribute_ber( ld, e, ber, &bv, bvp )) {
+						if ( bv.bv_val == NULL ) break;
+						if (!ber_bvcmp( &bv, &at_namingContexts ) && bvals ) {
+							for (j=0; bvals[j].bv_val; j++) {
+								if ( !ber_bvstrcasecmp( &base, &bvals[j] )) {
+									matched = 1;
+									break;
+								}
+							}
+							if (!matched) {
+								ber_memfree( bvals );
+								bvals = NULL;
+								break;
+							}
+						}
+						if (!ber_bvcmp( &bv, &at_olmMDBEntries )) {
+							ber_bvreplace( &sv->monitorbase, &dn );
+							sv->flags |= HAS_ENTRIES;
+							sv->c_curr.entries = strtoul( bvals[0].bv_val, NULL, 0 );
+						}
+						ber_memfree( bvals );
+						bvals = NULL;
+					}
+				} else if (!strncasecmp( dn.bv_val, opnames[0].rdn.bv_val,
+					opnames[0].rdn.bv_len )) {
+					get_counters( ld, e, ber, &sv->c_curr );
+					break;
+				}
+				if ( ber )
+					ber_free( ber, 0 );
+			}
+			break;
+
+		case LDAP_NO_SUCH_OBJECT:
+			/* no cn=monitor */
+			break;
+
+		default:
+			tester_ldap_error( ld, "ldap_search_ext_s(cn=Monitor)", sv->url );
+		}
+		ldap_msgfree( res );
+
+		if ( cbase.bv_val ) {
+			char *attr2[] = { at_contextCSN.bv_val, NULL };
+			rc = ldap_search_ext_s( ld, cbase.bv_val, LDAP_SCOPE_BASE, "(objectClass=*)",
+				attr2, 0, NULL, NULL, NULL, LDAP_NO_LIMIT, &res );
+			switch(rc) {
+			case LDAP_SUCCESS:
+				e = ldap_first_entry( ld, res );
+				if ( e ) {
+					sv->flags |= HAS_BASE;
+					ldap_get_dn_ber( ld, e, &ber, &dn );
+					for ( rc = ldap_get_attribute_ber( ld, e, ber, &bv, bvp );
+						rc == LDAP_SUCCESS;
+						rc = ldap_get_attribute_ber( ld, e, ber, &bv, bvp )) {
+						int done = 0;
+						if ( bv.bv_val == NULL ) break;
+						if ( bvals ) {
+							if ( !ber_bvcmp( &bv, &at_contextCSN )) {
+								get_csns( &sv->csn_curr, bvals );
+								done = 1;
+							}
+							ber_memfree( bvals );
+							bvals = NULL;
+							if ( done )
+								break;
+						}
+					}
+				}
+				break;
+
+			default:
+				tester_ldap_error( ld, "ldap_search_ext_s(baseDN)", sv->url );
+			}
+			ldap_msgfree( res );
+		}
+	}
+
+	if ( sv->monitorfilter != default_monfilter )
+		free( sv->monitorfilter );
+	if ( sv->flags & HAS_ENTRIES ) {
+		int len = sv->monitorbase.bv_len + sizeof("(|(entryDN=)" MONFILTER ")");
+		char *ptr = malloc(len);
+		sprintf(ptr, "(|(entryDN=%s)" MONFILTER ")", sv->monitorbase.bv_val );
+		sv->monitorfilter = ptr;
+	} else if ( sv->flags & HAS_MONITOR ) {
+		sv->monitorfilter = (char *)default_monfilter;
+	}
+	if ( !( sv->flags & WAS_INIT )) {
+		sv->flags |= WAS_INIT;
+		rotate_stats( sv );
+	}
+	return 0;
+}
+
+int
+main( int argc, char **argv )
+{
+	int		i, rc, *msg1, *msg2;
+	char **sids = NULL;
+	struct tester_conn_args *config;
+
+	config = tester_init( "slapd-watcher", TESTER_TESTER );
+	config->authmethod = LDAP_AUTH_SIMPLE;
+
+	while ( ( i = getopt( argc, argv, "D:O:R:U:X:Y:b:c:d:i:s:w:x" ) ) != EOF )
+	{
+		switch ( i ) {
+		case 'b':		/* base DN for DB entrycount lookups */
+			ber_str2bv( optarg, 0, 0, &base );
+			if ( !cbase.bv_val )
+				cbase = base;
+			break;
+
+		case 'c':		/* base DN for contextCSN lookups */
+			ber_str2bv( optarg, 0, 0, &cbase );
+			break;
+
+		case 'i':
+			interval = atoi(optarg);
+			break;
+
+		case 's':
+			sids = ldap_str2charray( optarg, "," );
+			break;
+
+		default:
+			if ( tester_config_opt( config, i, optarg ) == LDAP_SUCCESS )
+				break;
+
+			usage( argv[0], i );
+			break;
+		}
+	}
+
+	tester_config_finish( config );
+#ifdef SIGPIPE
+	(void) SIGNAL(SIGPIPE, SIG_IGN);
+#endif
+
+	/* don't clear the screen if debug is enabled */
+	if (debug)
+		clearscreen = "\n\n";
+
+	numservers = argc - optind;
+	if ( !numservers )
+		usage( argv[0], 0 );
+
+	if ( sids ) {
+		for (i=0; sids[i]; i++ );
+		if ( i != numservers ) {
+			fprintf(stderr, "Number of sids doesn't equal number of server URLs\n");
+			exit( EXIT_FAILURE );
+		}
+	}
+
+	argv += optind;
+	argc -= optind;
+	servers = calloc( numservers, sizeof(server));
+
+	if ( base.bv_val ) {
+		monfilter = "(|(entryDN:dnOneLevelMatch:=cn=Databases,cn=Monitor)" MONFILTER ")";
+	} else {
+		monfilter = MONFILTER;
+	}
+
+	if ( sids || numservers > 1 ) {
+		for ( i=0; i<numservers; i++ )
+			if ( sids )
+				servers[i].sid = atoi(sids[i]);
+			else
+				servers[i].sid = i+1;
+	}
+
+	for ( i = 0; i < numservers; i++ ) {
+		servers[i].url = argv[i];
+		servers[i].times = calloc( numservers, sizeof(activity));
+		servers[i].csn_curr.vals = calloc( numservers, sizeof(struct berval));
+		servers[i].csn_prev.vals = calloc( numservers, sizeof(struct berval));
+		servers[i].csn_curr.tvs = calloc( numservers, sizeof(struct timeval));
+		servers[i].csn_prev.tvs = calloc( numservers, sizeof(struct timeval));
+	}
+
+	msg1 = malloc( numservers * 2 * sizeof(int));
+	msg2 = msg1 + numservers;
+
+	for (;;) {
+		LDAPMessage *res = NULL, *e = NULL;
+		BerElement *ber = NULL;
+		struct berval dn, bv, *bvals, **bvp = &bvals;
+		struct timeval tv;
+		LDAP *ld;
+
+		for (i=0; i<numservers; i++) {
+			if ( !servers[i].ld || !(servers[i].flags & WAS_LATE )) {
+				msg1[i] = 0;
+				msg2[i] = 0;
+			}
+			if ( !servers[i].ld ) {
+				setup_server( config, &servers[i] );
+			} else {
+				ld = servers[i].ld;
+				rc = -1;
+				if ( servers[i].flags & WAS_DOWN )
+					servers[i].flags ^= WAS_DOWN;
+				if (( servers[i].flags & HAS_MONITOR ) && !msg1[i] ) {
+					char *attrs[3] = { at_monitorOpCompleted.bv_val };
+					if ( servers[i].flags & HAS_ENTRIES )
+						attrs[1] = at_olmMDBEntries.bv_val;
+					rc = ldap_search_ext( ld, "cn=monitor",
+						LDAP_SCOPE_SUBTREE, servers[i].monitorfilter,
+						attrs, 0, NULL, NULL, NULL, LDAP_NO_LIMIT, &msg1[i] );
+					if ( rc != LDAP_SUCCESS ) {
+						tester_ldap_error( ld, "ldap_search_ext(cn=Monitor)", servers[i].url );
+server_down1:
+						ldap_unbind_ext( ld, NULL, NULL );
+						servers[i].flags |= WAS_DOWN;
+						servers[i].ld = NULL;
+						gettimeofday( &tv, NULL );
+						servers[i].down = tv.tv_sec;
+						msg1[i] = 0;
+						msg2[i] = 0;
+						continue;
+					}
+				}
+				if (( servers[i].flags & HAS_BASE ) && !msg2[i] ) {
+					char *attrs[2] = { at_contextCSN.bv_val };
+					rc = ldap_search_ext( ld, cbase.bv_val,
+						LDAP_SCOPE_BASE, "(objectClass=*)",
+						attrs, 0, NULL, NULL, NULL, LDAP_NO_LIMIT, &msg2[i] );
+					if ( rc != LDAP_SUCCESS ) {
+						tester_ldap_error( ld, "ldap_search_ext(baseDN)", servers[i].url );
+						goto server_down1;
+					}
+				}
+				if ( rc != -1 )
+					gettimeofday( &servers[i].c_curr.time, 0 );
+			}
+		}
+
+		for (i=0; i<numservers; i++) {
+			ld = servers[i].ld;
+			if ( msg1[i] ) {
+				tv.tv_sec = 0;
+				tv.tv_usec = 250000;
+				rc = ldap_result( ld, msg1[i], LDAP_MSG_ALL, &tv, &res );
+				if ( rc < 0 ) {
+					tester_ldap_error( ld, "ldap_result(cn=Monitor)", servers[i].url );
+server_down2:
+					ldap_unbind_ext( ld, NULL, NULL );
+					servers[i].flags |= WAS_DOWN;
+					servers[i].ld = NULL;
+					servers[i].down = servers[i].c_curr.time.tv_sec;
+					msg1[i] = 0;
+					msg2[i] = 0;
+					continue;
+				}
+				if ( rc == 0 ) {
+					if ( !( servers[i].flags & WAS_LATE ))
+						servers[i].late = servers[i].c_curr.time.tv_sec;
+					servers[i].flags |= WAS_LATE;
+					continue;
+				}
+				if ( servers[i].flags & WAS_LATE )
+					servers[i].flags ^= WAS_LATE;
+				for ( e = ldap_first_entry( ld, res ); e; e = ldap_next_entry( ld, e )) {
+					ldap_get_dn_ber( ld, e, &ber, &dn );
+					if ( !strncasecmp( dn.bv_val, "cn=Database", sizeof("cn=Database")-1 ) ||
+						!strncasecmp( dn.bv_val, "cn=Frontend", sizeof("cn=Frontend")-1 )) {
+						for ( rc = ldap_get_attribute_ber( ld, e, ber, &bv, bvp );
+							rc == LDAP_SUCCESS;
+							rc = ldap_get_attribute_ber( ld, e, ber, &bv, bvp )) {
+							if ( bv.bv_val == NULL ) break;
+							if ( !ber_bvcmp( &bv, &at_olmMDBEntries )) {
+								if ( !BER_BVISNULL( &servers[i].monitorbase )) {
+									servers[i].c_curr.entries = strtoul( bvals[0].bv_val, NULL, 0 );
+								}
+							}
+							ber_memfree( bvals );
+							bvals = NULL;
+						}
+					} else if (!strncasecmp( dn.bv_val, opnames[0].rdn.bv_val,
+						opnames[0].rdn.bv_len )) {
+						get_counters( ld, e, ber, &servers[i].c_curr );
+						break;
+					}
+					if ( ber )
+						ber_free( ber, 0 );
+				}
+				ldap_msgfree( res );
+			}
+			if ( msg2[i] ) {
+				tv.tv_sec = 0;
+				tv.tv_usec = 250000;
+				rc = ldap_result( ld, msg2[i], LDAP_MSG_ALL, &tv, &res );
+				if ( rc < 0 ) {
+					tester_ldap_error( ld, "ldap_result(baseDN)", servers[i].url );
+					goto server_down2;
+				}
+				if ( rc == 0 ) {
+					if ( !( servers[i].flags & WAS_LATE ))
+						servers[i].late = servers[i].c_curr.time.tv_sec;
+					servers[i].flags |= WAS_LATE;
+					continue;
+				}
+				if ( servers[i].flags & WAS_LATE )
+					servers[i].flags ^= WAS_LATE;
+				e = ldap_first_entry( ld, res );
+				if ( e ) {
+					ldap_get_dn_ber( ld, e, &ber, &dn );
+					for ( rc = ldap_get_attribute_ber( ld, e, ber, &bv, bvp );
+						rc == LDAP_SUCCESS;
+						rc = ldap_get_attribute_ber( ld, e, ber, &bv, bvp )) {
+						int done = 0;
+						if ( bv.bv_val == NULL ) break;
+						if ( bvals ) {
+							if ( !ber_bvcmp( &bv, &at_contextCSN )) {
+								get_csns( &servers[i].csn_curr, bvals );
+								done = 1;
+							}
+							ber_memfree( bvals );
+							bvals = NULL;
+							if ( done )
+								break;
+						}
+					}
+				}
+				ldap_msgfree( res );
+			}
+		}
+		display();
+		sleep(interval);
+	}
+
+	exit( EXIT_SUCCESS );
+}
+