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 1998-2004 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/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
  95 static const char* slap_name = NULL;
  96 int slapMode = SLAP_UNDEFINED_MODE;
  97
  98 int
  99 slap_init( int mode, const char *name )
 100 {
 101         int rc;
 102
 103         assert( mode );
 104
 105         if( slapMode != SLAP_UNDEFINED_MODE ) {
 106 #ifdef NEW_LOGGING
 107                 LDAP_LOG( OPERATION, CRIT,
 108                         "init: %s init called twice (old=%d, new=%d)\n",
 109                         name, slapMode, mode );
 110 #else
 111                 Debug( LDAP_DEBUG_ANY,
 112                  "%s init: init called twice (old=%d, new=%d)\n",
 113                  name, slapMode, mode );
 114 #endif
 115
 116                 return 1;
 117         }
 118
 119         slapMode = mode;
 120
 121         switch ( slapMode & SLAP_MODE ) {
 122                 case SLAP_SERVER_MODE:
 123                 case SLAP_TOOL_MODE:
 124 #ifdef NEW_LOGGING
 125                         LDAP_LOG( OPERATION, DETAIL1,
 126                                 "init: %s initiation, initiated %s.\n",
 127                                 name, (mode & SLAP_MODE) == SLAP_TOOL_MODE ?
 128                                   "tool" : "server", 0 );
 129 #else
 130                         Debug( LDAP_DEBUG_TRACE,
 131                                 "%s init: initiated %s.\n",     name,
 132                                 (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server",
 133                                 0 );
 134 #endif
 135
 136
 137                         slap_name = name;
 138
 139                         (void) ldap_pvt_thread_initialize();
 140
 141                         ldap_pvt_thread_pool_init(&connection_pool, connection_pool_max, 0);
 142
 143                         ldap_pvt_thread_mutex_init( &entry2str_mutex );
 144                         ldap_pvt_thread_mutex_init( &replog_mutex );
 145                         ldap_pvt_thread_mutex_init( &num_ops_mutex );
 146                         ldap_pvt_thread_mutex_init( &num_sent_mutex );
 147
 148 #ifdef SLAPD_MONITOR
 149                         {
 150                                 int i;
 151                                 for ( i = 0; i < SLAP_OP_LAST; i++ ) {
 152                                         num_ops_initiated_[ i ] = 0;
 153                                         num_ops_completed_[ i ] = 0;
 154                                 }
 155                         }
 156 #endif
 157
 158 #ifndef HAVE_GMTIME_R
 159                         ldap_pvt_thread_mutex_init( &gmtime_mutex );
 160 #endif
 161 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
 162                         ldap_pvt_thread_mutex_init( &passwd_mutex );
 163 #endif
 164
 165                         rc = slap_sasl_init();
 166
 167                         if( rc == 0 ) {
 168                                 rc = backend_init( );
 169                         }
 170
 171                         break;
 172
 173                 default:
 174 #ifdef NEW_LOGGING
 175                         LDAP_LOG( OPERATION, ERR,
 176                                 "init: %s init, undefined mode (%d).\n", name, mode, 0 );
 177 #else
 178                         Debug( LDAP_DEBUG_ANY,
 179                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 180 #endif
 181
 182                         rc = 1;
 183                         break;
 184         }
 185
 186         return rc;
 187 }
 188
 189 int slap_startup( Backend *be )
 190 {
 191         int rc;
 192
 193 #ifdef NEW_LOGGING
 194         LDAP_LOG( OPERATION, CRIT, "slap_startup: %s started\n", slap_name, 0, 0 );
 195 #else
 196         Debug( LDAP_DEBUG_TRACE,
 197                 "%s startup: initiated.\n",
 198                 slap_name, 0, 0 );
 199 #endif
 200
 201
 202         rc = backend_startup( be );
 203
 204 #ifdef LDAP_SLAPI
 205         if( rc == 0 ) {
 206                 Slapi_PBlock *pb = slapi_pblock_new();
 207
 208                 if ( slapi_int_call_plugins( NULL, SLAPI_PLUGIN_START_FN, pb ) < 0 ) {
 209                         rc = -1;
 210                 }
 211                 slapi_pblock_destroy( pb );
 212         }
 213 #endif /* LDAP_SLAPI */
 214
 215         return rc;
 216 }
 217
 218 int slap_shutdown( Backend *be )
 219 {
 220         int rc;
 221 #ifdef LDAP_SLAPI
 222         Slapi_PBlock *pb;
 223 #endif
 224
 225 #ifdef NEW_LOGGING
 226         LDAP_LOG( OPERATION, CRIT,
 227                 "slap_shutdown: %s shutdown initiated.\n", slap_name, 0, 0);
 228 #else
 229         Debug( LDAP_DEBUG_TRACE,
 230                 "%s shutdown: initiated\n",
 231                 slap_name, 0, 0 );
 232 #endif
 233
 234
 235         slap_sasl_destroy();
 236
 237         /* let backends do whatever cleanup they need to do */
 238         rc = backend_shutdown( be );
 239
 240 #ifdef LDAP_SLAPI
 241         pb = slapi_pblock_new();
 242         (void) slapi_int_call_plugins( NULL, SLAPI_PLUGIN_CLOSE_FN, pb );
 243         slapi_pblock_destroy( pb );
 244 #endif /* LDAP_SLAPI */
 245
 246         return rc;
 247 }
 248
 249 int slap_destroy(void)
 250 {
 251         int rc;
 252
 253 #ifdef NEW_LOGGING
 254         LDAP_LOG( OPERATION, INFO,
 255                 "slap_destroy: %s freeing system resources.\n", slap_name, 0, 0);
 256 #else
 257         Debug( LDAP_DEBUG_TRACE,
 258                 "%s shutdown: freeing system resources.\n",
 259                 slap_name, 0, 0 );
 260 #endif
 261
 262
 263         rc = backend_destroy();
 264
 265         entry_destroy();
 266
 267         ldap_pvt_thread_destroy();
 268
 269         /* should destory the above mutex */
 270         return rc;
 271 }