]> git.sur5r.net Git - openldap/commitdiff
Streamlined WeightedAuthRate load generator ala SLAMD
authorHoward Chu <hyc@openldap.org>
Thu, 11 Oct 2007 11:06:29 +0000 (11:06 +0000)
committerHoward Chu <hyc@openldap.org>
Thu, 11 Oct 2007 11:06:29 +0000 (11:06 +0000)
tests/progs/slapd-auth.c [new file with mode: 0644]

diff --git a/tests/progs/slapd-auth.c b/tests/progs/slapd-auth.c
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index 0000000..a4b363d
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+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2006-2007 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/stdlib.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 <ac/signal.h>
+
+#include <ldap.h>
+#include <ldap_pvt_thread.h>
+#include <lutil.h>
+
+static int
+do_time( );
+
+/* This program is a simplified version of SLAMD's WeightedAuthRate jobclass.
+ * It doesn't offer as much configurability, but it's a good starting point.
+ * When run without the -R option it will behave as a Standard AuthRate job.
+ * Eventually this will grow into a set of C-based load generators for the SLAMD
+ * framework. This code is anywhere from 2 to 10 times more efficient than the
+ * original Java code, allowing servers to be fully loaded without requiring
+ * anywhere near as much load-generation hardware.
+ */
+static void
+usage( char *name )
+{
+       fprintf( stderr, "usage: %s -H <uri> -b <baseDN> -w <passwd> -t <seconds> -r lo:hi\n\t[-R %:lo:hi] [-f <filter-template>] [-n <threads>]\n",
+                       name );
+       exit( EXIT_FAILURE );
+}
+
+static char *filter = "(uid=user.%d)";
+
+static char hname[1024];
+static char *uri = "ldap:///";
+static char    *base;
+static char    *pass;
+
+static int tdur, r1per, r1lo, r1hi, r2per, r2lo, r2hi;
+static int threads = 1;
+
+static volatile int *r1binds, *r2binds;
+static int *r1old, *r2old;
+static volatile int finish;
+
+int
+main( int argc, char **argv )
+{
+       int             i;
+
+       while ( (i = getopt( argc, argv, "b:H:w:f:n:t:r:R:" )) != EOF ) {
+               switch( i ) {
+                       case 'b':               /* base DN of a tree of user DNs */
+                               base = strdup( optarg );
+                               break;
+
+                       case 'H':               /* the server uri */
+                               uri = strdup( optarg );
+                               break;
+
+                       case 'w':
+                               pass = strdup( optarg );
+                               break;
+
+                       case 't':               /* the duration to run */
+                               if ( lutil_atoi( &tdur, optarg ) != 0 ) {
+                                       usage( argv[0] );
+                               }
+                               break;
+
+                       case 'r':               /* the uid range */
+                               if ( sscanf(optarg, "%d:%d", &r1lo, &r1hi) != 2 ) {
+                                       usage( argv[0] );
+                               }
+                               break;
+
+                       case 'R':               /* percentage:2nd uid range */
+                               if ( sscanf(optarg, "%d:%d:%d", &r2per, &r2lo, &r2hi) != 3 ) {
+                                       usage( argv[0] );
+                               }
+                               break;
+
+                       case 'f':
+                               filter = optarg;
+                               break;
+
+                       case 'n':
+                               if ( lutil_atoi( &threads, optarg ) != 0 || threads < 1 ) {
+                                       usage( argv[0] );
+                               }
+                               break;
+                               
+                       default:
+                               usage( argv[0] );
+                               break;
+               }
+       }
+
+       if ( tdur == 0 || r1hi <= r1lo )
+               usage( argv[0] );
+
+       r1per = 100 - r2per;
+       if ( r1per < 1 )
+               usage( argv[0] );
+
+       r1binds = calloc( threads*4, sizeof( int ));
+       r2binds = r1binds + threads;
+       r1old = (int *)r2binds + threads;
+       r2old = r1old + threads;
+
+       do_time( );
+
+       exit( EXIT_SUCCESS );
+}
+
+static void *
+my_task( void *my_num )
+{
+       LDAP    *ld = NULL;
+       ber_int_t msgid;
+       LDAPMessage *res, *msg;
+       char *attrs[] = { "1.1", NULL };
+       int     rc = LDAP_SUCCESS;
+       int             tid = *(int *)my_num;
+
+       ldap_initialize( &ld, uri );
+       if ( ld == NULL ) {
+               perror( "ldap_initialize" );
+               return NULL;
+       }
+
+       {
+               int version = LDAP_VERSION3;
+               (void) ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION,
+                       &version ); 
+       }
+       (void) ldap_set_option( ld, LDAP_OPT_REFERRALS, LDAP_OPT_OFF );
+
+       r1binds[tid] = 0;
+
+       for (;;) {
+               char dn[BUFSIZ], *ptr, fstr[256];
+               int j, isr1;
+               
+               if ( finish )
+                       break;
+
+               j = rand() % 100;
+               if ( j < r1per ) {
+                       j = rand() % r1hi;
+                       isr1 = 1;
+               } else {
+                       j = rand() % (r2hi - r2lo + 1 );
+                       j += r2lo;
+                       isr1 = 0;
+               }
+               sprintf(fstr, filter, j);
+
+               rc = ldap_search_ext( ld, base, LDAP_SCOPE_SUB,
+                       fstr, attrs, 0, NULL, NULL, 0, 0, &msgid );
+               if ( rc != LDAP_SUCCESS ) {
+                       ldap_perror( ld, "ldap_search_ex" );
+                       return NULL;
+               }
+
+               while (( rc=ldap_result( ld, LDAP_RES_ANY, LDAP_MSG_ONE, NULL, &res )) >0){
+                       BerElement *ber;
+                       struct berval bv;
+                       char *ptr;
+                       int done = 0;
+
+                       for (msg = ldap_first_message( ld, res ); msg;
+                               msg = ldap_next_message( ld, msg )) {
+                               switch ( ldap_msgtype( msg )) {
+                               case LDAP_RES_SEARCH_ENTRY:
+                                       rc = ldap_get_dn_ber( ld, msg, &ber, &bv );
+                                       strcpy(dn, bv.bv_val );
+                                       ber_free( ber, 0 );
+                                       break;
+                               case LDAP_RES_SEARCH_RESULT:
+                                       done = 1;
+                                       break;
+                               }
+                               if ( done )
+                                       break;
+                       }
+                       ldap_msgfree( res );
+                       if ( done ) break;
+               }
+
+               rc = ldap_bind_s( ld, dn, pass, LDAP_AUTH_SIMPLE );
+               if ( rc != LDAP_SUCCESS ) {
+                       ldap_perror( ld, "ldap_bind" );
+               }
+               if ( isr1 )
+                       r1binds[tid]++;
+               else
+                       r2binds[tid]++;
+       }
+
+       ldap_unbind( ld );
+
+       return NULL;
+}
+
+static int
+do_time( )
+{
+       struct timeval tv;
+       time_t now, prevt, start;
+
+       int r1new, r2new;
+       int dt, dr1, dr2, rr1, rr2;
+       int dr10, dr20;
+       int i;
+
+       gethostname(hname, sizeof(hname));
+       printf("%s(tid)\tdeltaT\tauth1\tauth2\trate1\trate2\tRate1+2\n", hname);
+       srand(getpid());
+
+       prevt = start = time(0L);
+
+       for ( i = 0; i<threads; i++ ) {
+               ldap_pvt_thread_t thr;
+               r1binds[i] = i;
+               ldap_pvt_thread_create( &thr, 1, my_task, (void *)&r1binds[i] );
+       }
+
+       for (;;) {
+               tv.tv_sec = 30;
+               tv.tv_usec = 0;
+
+               select(0, NULL, NULL, NULL, &tv);
+
+               now = time(0L);
+
+               dt = now - prevt;
+               prevt = now;
+
+               dr10 = 0;
+               dr20 = 0;
+
+               for ( i = 0; i < threads; i++ ) {
+                       r1new = r1binds[i];
+                       r2new = r2binds[i];
+
+                       dr1 = r1new - r1old[i];
+                       dr2 = r2new - r2old[i];
+                       rr1 = dr1 / dt;
+                       rr2 = dr2 / dt;
+
+                       printf("%s(%d)\t%d\t%d\t%d\t%d\t%d\t%d\n",
+                               hname, i, dt, dr1, dr2, rr1, rr2, rr1 + rr2);
+
+                       dr10 += dr1;
+                       dr20 += dr2;
+
+                       r1old[i] = r1new;
+                       r2old[i] = r2new;
+               }
+               if ( i > 1 ) {
+                       rr1 = dr10 / dt;
+                       rr2 = dr20 / dt;
+                       
+                       printf("%s(sum)\t%d\t%d\t%d\t%d\t%d\t%d\n",
+                               hname, 0, dr10, dr20, rr1, rr2, rr1 + rr2);
+               }
+
+               if ( now - start >= tdur ) {
+                       finish = 1;
+                       break;
+               }
+       }
+       return 0;
+}