git.sur5r.net Git - openldap/blob - servers/slapd/init.c

   1 /* init.c - initialize various things */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2003 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
  17  * All rights reserved.
  18  *
  19  * Redistribution and use in source and binary forms are permitted
  20  * provided that this notice is preserved and that due credit is given
  21  * to the University of Michigan at Ann Arbor. The name of the University
  22  * may not be used to endorse or promote products derived from this
  23  * software without specific prior written permission. This software
  24  * is provided ``as is'' without express or implied warranty.
  25  */
  26
  27 #include "portable.h"
  28
  29 #include <stdio.h>
  30
  31 #include <ac/socket.h>
  32 #include <ac/string.h>
  33 #include <ac/time.h>
  34
  35 #include "slap.h"
  36 #include "lber_pvt.h"
  37 #ifdef LDAP_SLAPI
  38 #include "slapi.h"
  39 #endif
  40
  41 /*
  42  * read-only global variables or variables only written by the listener
  43  * thread (after they are initialized) - no need to protect them with a mutex.
  44  */
  45 int             slap_debug = 0;
  46
  47 #ifdef LDAP_DEBUG
  48 int             ldap_syslog = LDAP_DEBUG_STATS;
  49 #else
  50 int             ldap_syslog;
  51 #endif
  52
  53 #ifdef LOG_DEBUG
  54 int             ldap_syslog_level = LOG_DEBUG;
  55 #endif
  56
  57 BerVarray default_referral = NULL;
  58
  59 struct berval AllUser = BER_BVC( LDAP_ALL_USER_ATTRIBUTES );
  60 struct berval AllOper = BER_BVC( LDAP_ALL_OPERATIONAL_ATTRIBUTES );
  61 struct berval NoAttrs = BER_BVC( LDAP_NO_ATTRS );
  62
  63 /*
  64  * global variables that need mutex protection
  65  */
  66 ldap_pvt_thread_pool_t  connection_pool;
  67 int                     connection_pool_max = SLAP_MAX_WORKER_THREADS;
  68 #ifndef HAVE_GMTIME_R
  69 ldap_pvt_thread_mutex_t gmtime_mutex;
  70 #endif
  71 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
  72 ldap_pvt_thread_mutex_t passwd_mutex;
  73 #endif
  74
  75 unsigned long                   num_ops_initiated = 0;
  76 unsigned long                   num_ops_completed = 0;
  77 #ifdef SLAPD_MONITOR
  78 unsigned long                   num_ops_initiated_[SLAP_OP_LAST];
  79 unsigned long                   num_ops_completed_[SLAP_OP_LAST];
  80 #endif /* SLAPD_MONITOR */
  81 ldap_pvt_thread_mutex_t num_ops_mutex;
  82
  83 unsigned long                   num_entries_sent;
  84 unsigned long                   num_refs_sent;
  85 unsigned long                   num_bytes_sent;
  86 unsigned long                   num_pdu_sent;
  87 ldap_pvt_thread_mutex_t num_sent_mutex;
  88 /*
  89  * these mutexes must be used when calling the entry2str()
  90  * routine since it returns a pointer to static data.
  91  */
  92 ldap_pvt_thread_mutex_t entry2str_mutex;
  93 ldap_pvt_thread_mutex_t replog_mutex;
  94 ldap_pvt_thread_mutex_t repstamp_mutex;
  95
  96 static const char* slap_name = NULL;
  97 int slapMode = SLAP_UNDEFINED_MODE;
  98
  99 int
 100 slap_init( int mode, const char *name )
 101 {
 102         int rc;
 103
 104         assert( mode );
 105
 106         if( slapMode != SLAP_UNDEFINED_MODE ) {
 107 #ifdef NEW_LOGGING
 108                 LDAP_LOG( OPERATION, CRIT,
 109                         "init: %s init called twice (old=%d, new=%d)\n",
 110                         name, slapMode, mode );
 111 #else
 112                 Debug( LDAP_DEBUG_ANY,
 113                  "%s init: init called twice (old=%d, new=%d)\n",
 114                  name, slapMode, mode );
 115 #endif
 116
 117                 return 1;
 118         }
 119
 120         slapMode = mode;
 121
 122         switch ( slapMode & SLAP_MODE ) {
 123                 case SLAP_SERVER_MODE:
 124                 case SLAP_TOOL_MODE:
 125 #ifdef NEW_LOGGING
 126                         LDAP_LOG( OPERATION, DETAIL1,
 127                                 "init: %s initiation, initiated %s.\n",
 128                                 name, (mode & SLAP_MODE) == SLAP_TOOL_MODE ?
 129                                   "tool" : "server", 0 );
 130 #else
 131                         Debug( LDAP_DEBUG_TRACE,
 132                                 "%s init: initiated %s.\n",     name,
 133                                 (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server",
 134                                 0 );
 135 #endif
 136
 137
 138                         slap_name = name;
 139
 140                         (void) ldap_pvt_thread_initialize();
 141
 142                         ldap_pvt_thread_pool_init(&connection_pool, connection_pool_max, 0);
 143
 144                         ldap_pvt_thread_mutex_init( &entry2str_mutex );
 145                         ldap_pvt_thread_mutex_init( &replog_mutex );
 146                         ldap_pvt_thread_mutex_init( &repstamp_mutex );
 147                         ldap_pvt_thread_mutex_init( &num_ops_mutex );
 148                         ldap_pvt_thread_mutex_init( &num_sent_mutex );
 149
 150 #ifdef SLAPD_MONITOR
 151                         {
 152                                 int i;
 153                                 for ( i = 0; i < SLAP_OP_LAST; i++ ) {
 154                                         num_ops_initiated_[ i ] = 0;
 155                                         num_ops_completed_[ i ] = 0;
 156                                 }
 157                         }
 158 #endif
 159
 160 #ifndef HAVE_GMTIME_R
 161                         ldap_pvt_thread_mutex_init( &gmtime_mutex );
 162 #endif
 163 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
 164                         ldap_pvt_thread_mutex_init( &passwd_mutex );
 165 #endif
 166
 167                         rc = slap_sasl_init();
 168
 169                         if( rc == 0 ) {
 170                                 rc = backend_init( );
 171                         }
 172
 173                         break;
 174
 175                 default:
 176 #ifdef NEW_LOGGING
 177                         LDAP_LOG( OPERATION, ERR,
 178                                 "init: %s init, undefined mode (%d).\n", name, mode, 0 );
 179 #else
 180                         Debug( LDAP_DEBUG_ANY,
 181                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 182 #endif
 183
 184                         rc = 1;
 185                         break;
 186         }
 187
 188         return rc;
 189 }
 190
 191 int slap_startup( Backend *be )
 192 {
 193         int rc;
 194
 195 #ifdef NEW_LOGGING
 196         LDAP_LOG( OPERATION, CRIT, "slap_startup: %s started\n", slap_name, 0, 0 );
 197 #else
 198         Debug( LDAP_DEBUG_TRACE,
 199                 "%s startup: initiated.\n",
 200                 slap_name, 0, 0 );
 201 #endif
 202
 203
 204         rc = backend_startup( be );
 205
 206 #ifdef LDAP_SLAPI
 207         if( rc == 0 ) {
 208                 Slapi_PBlock *pb = slapi_pblock_new();
 209
 210                 if ( doPluginFNs( NULL, SLAPI_PLUGIN_START_FN, pb ) < 0 ) {
 211                         rc = -1;
 212                 }
 213                 slapi_pblock_destroy( pb );
 214         }
 215 #endif /* LDAP_SLAPI */
 216
 217         return rc;
 218 }
 219
 220 int slap_shutdown( Backend *be )
 221 {
 222         int rc;
 223 #ifdef LDAP_SLAPI
 224         Slapi_PBlock *pb;
 225 #endif
 226
 227 #ifdef NEW_LOGGING
 228         LDAP_LOG( OPERATION, CRIT,
 229                 "slap_shutdown: %s shutdown initiated.\n", slap_name, 0, 0);
 230 #else
 231         Debug( LDAP_DEBUG_TRACE,
 232                 "%s shutdown: initiated\n",
 233                 slap_name, 0, 0 );
 234 #endif
 235
 236
 237         slap_sasl_destroy();
 238
 239         /* let backends do whatever cleanup they need to do */
 240         rc = backend_shutdown( be );
 241
 242 #ifdef LDAP_SLAPI
 243         pb = slapi_pblock_new( );
 244         (void) doPluginFNs( NULL, SLAPI_PLUGIN_CLOSE_FN, pb );
 245         slapi_pblock_destroy( pb );
 246 #endif /* LDAP_SLAPI */
 247
 248         return rc;
 249 }
 250
 251 int slap_destroy(void)
 252 {
 253         int rc;
 254
 255 #ifdef NEW_LOGGING
 256         LDAP_LOG( OPERATION, INFO,
 257                 "slap_destroy: %s freeing system resources.\n", slap_name, 0, 0);
 258 #else
 259         Debug( LDAP_DEBUG_TRACE,
 260                 "%s shutdown: freeing system resources.\n",
 261                 slap_name, 0, 0 );
 262 #endif
 263
 264
 265         rc = backend_destroy();
 266
 267         entry_destroy();
 268
 269         ldap_pvt_thread_destroy();
 270
 271         /* should destory the above mutex */
 272         return rc;
 273 }