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 ldap_pvt_thread_mutex_t gmtime_mutex;
  69 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
  70 ldap_pvt_thread_mutex_t passwd_mutex;
  71 #endif
  72
  73 unsigned long                   num_ops_initiated = 0;
  74 unsigned long                   num_ops_completed = 0;
  75 #ifdef SLAPD_MONITOR
  76 unsigned long                   num_ops_initiated_[SLAP_OP_LAST];
  77 unsigned long                   num_ops_completed_[SLAP_OP_LAST];
  78 #endif /* SLAPD_MONITOR */
  79 ldap_pvt_thread_mutex_t num_ops_mutex;
  80
  81 unsigned long                   num_entries_sent;
  82 unsigned long                   num_refs_sent;
  83 unsigned long                   num_bytes_sent;
  84 unsigned long                   num_pdu_sent;
  85 ldap_pvt_thread_mutex_t num_sent_mutex;
  86 /*
  87  * these mutexes must be used when calling the entry2str()
  88  * routine since it returns a pointer to static data.
  89  */
  90 ldap_pvt_thread_mutex_t entry2str_mutex;
  91 ldap_pvt_thread_mutex_t replog_mutex;
  92
  93 static const char* slap_name = NULL;
  94 int slapMode = SLAP_UNDEFINED_MODE;
  95
  96 int
  97 slap_init( int mode, const char *name )
  98 {
  99         int rc;
 100
 101         assert( mode );
 102
 103         if( slapMode != SLAP_UNDEFINED_MODE ) {
 104 #ifdef NEW_LOGGING
 105                 LDAP_LOG( OPERATION, CRIT,
 106                         "init: %s init called twice (old=%d, new=%d)\n",
 107                         name, slapMode, mode );
 108 #else
 109                 Debug( LDAP_DEBUG_ANY,
 110                  "%s init: init called twice (old=%d, new=%d)\n",
 111                  name, slapMode, mode );
 112 #endif
 113
 114                 return 1;
 115         }
 116
 117         slapMode = mode;
 118
 119         switch ( slapMode & SLAP_MODE ) {
 120                 case SLAP_SERVER_MODE:
 121                 case SLAP_TOOL_MODE:
 122 #ifdef NEW_LOGGING
 123                         LDAP_LOG( OPERATION, DETAIL1,
 124                                 "init: %s initiation, initiated %s.\n",
 125                                 name, (mode & SLAP_MODE) == SLAP_TOOL_MODE ?
 126                                   "tool" : "server", 0 );
 127 #else
 128                         Debug( LDAP_DEBUG_TRACE,
 129                                 "%s init: initiated %s.\n",     name,
 130                                 (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server",
 131                                 0 );
 132 #endif
 133
 134
 135                         slap_name = name;
 136
 137                         (void) ldap_pvt_thread_initialize();
 138
 139                         ldap_pvt_thread_pool_init(&connection_pool, connection_pool_max, 0);
 140
 141                         ldap_pvt_thread_mutex_init( &entry2str_mutex );
 142                         ldap_pvt_thread_mutex_init( &replog_mutex );
 143                         ldap_pvt_thread_mutex_init( &num_ops_mutex );
 144                         ldap_pvt_thread_mutex_init( &num_sent_mutex );
 145
 146 #ifdef SLAPD_MONITOR
 147                         {
 148                                 int i;
 149                                 for ( i = 0; i < SLAP_OP_LAST; i++ ) {
 150                                         num_ops_initiated_[ i ] = 0;
 151                                         num_ops_completed_[ i ] = 0;
 152                                 }
 153                         }
 154 #endif
 155
 156                         ldap_pvt_thread_mutex_init( &gmtime_mutex );
 157 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
 158                         ldap_pvt_thread_mutex_init( &passwd_mutex );
 159 #endif
 160
 161                         rc = slap_sasl_init();
 162
 163                         if( rc == 0 ) {
 164                                 rc = backend_init( );
 165                         }
 166
 167                         break;
 168
 169                 default:
 170 #ifdef NEW_LOGGING
 171                         LDAP_LOG( OPERATION, ERR,
 172                                 "init: %s init, undefined mode (%d).\n", name, mode, 0 );
 173 #else
 174                         Debug( LDAP_DEBUG_ANY,
 175                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 176 #endif
 177
 178                         rc = 1;
 179                         break;
 180         }
 181
 182         return rc;
 183 }
 184
 185 int slap_startup( Backend *be )
 186 {
 187         int rc;
 188
 189 #ifdef NEW_LOGGING
 190         LDAP_LOG( OPERATION, CRIT, "slap_startup: %s started\n", slap_name, 0, 0 );
 191 #else
 192         Debug( LDAP_DEBUG_TRACE,
 193                 "%s startup: initiated.\n",
 194                 slap_name, 0, 0 );
 195 #endif
 196
 197
 198         rc = backend_startup( be );
 199
 200 #ifdef LDAP_SLAPI
 201         if( rc == 0 ) {
 202                 Slapi_PBlock *pb = slapi_pblock_new();
 203
 204                 if ( doPluginFNs( NULL, SLAPI_PLUGIN_START_FN, pb ) < 0 ) {
 205                         rc = -1;
 206                 }
 207                 slapi_pblock_destroy( pb );
 208         }
 209 #endif /* LDAP_SLAPI */
 210
 211         return rc;
 212 }
 213
 214 int slap_shutdown( Backend *be )
 215 {
 216         int rc;
 217 #ifdef LDAP_SLAPI
 218         Slapi_PBlock *pb;
 219 #endif
 220
 221 #ifdef NEW_LOGGING
 222         LDAP_LOG( OPERATION, CRIT,
 223                 "slap_shutdown: %s shutdown initiated.\n", slap_name, 0, 0);
 224 #else
 225         Debug( LDAP_DEBUG_TRACE,
 226                 "%s shutdown: initiated\n",
 227                 slap_name, 0, 0 );
 228 #endif
 229
 230
 231         slap_sasl_destroy();
 232
 233         /* let backends do whatever cleanup they need to do */
 234         rc = backend_shutdown( be );
 235
 236 #ifdef LDAP_SLAPI
 237         pb = slapi_pblock_new( );
 238         (void) doPluginFNs( NULL, SLAPI_PLUGIN_CLOSE_FN, pb );
 239         slapi_pblock_destroy( pb );
 240 #endif /* LDAP_SLAPI */
 241
 242         return rc;
 243 }
 244
 245 int slap_destroy(void)
 246 {
 247         int rc;
 248
 249 #ifdef NEW_LOGGING
 250         LDAP_LOG( OPERATION, INFO,
 251                 "slap_destroy: %s freeing system resources.\n", slap_name, 0, 0);
 252 #else
 253         Debug( LDAP_DEBUG_TRACE,
 254                 "%s shutdown: freeing system resources.\n",
 255                 slap_name, 0, 0 );
 256 #endif
 257
 258
 259         rc = backend_destroy();
 260
 261         entry_destroy();
 262
 263         ldap_pvt_thread_destroy();
 264
 265         /* should destory the above mutex */
 266         return rc;
 267 }