From 2edc5dc11ac13dbc91e4bd4c0955c4ed25588ef1 Mon Sep 17 00:00:00 2001 From: Howard Chu Date: Thu, 11 Oct 2007 11:06:29 +0000 Subject: [PATCH] Streamlined WeightedAuthRate load generator ala SLAMD --- tests/progs/slapd-auth.c | 301 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 301 insertions(+) create mode 100644 tests/progs/slapd-auth.c diff --git a/tests/progs/slapd-auth.c b/tests/progs/slapd-auth.c new file mode 100644 index 0000000000..a4b363d1c7 --- /dev/null +++ b/tests/progs/slapd-auth.c @@ -0,0 +1,301 @@ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software . + * + * 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 + * . + */ +/* ACKNOWLEDGEMENTS: + * This work was initially developed by Howard Chu for inclusion + * in OpenLDAP Software. + */ + +#include "portable.h" + +#include + +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +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 -b -w -t -r lo:hi\n\t[-R %:lo:hi] [-f ] [-n ]\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 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; +} -- 2.39.5