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

   1 /* init.c - initialize various things */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11
  12 #include <ac/socket.h>
  13 #include <ac/string.h>
  14 #include <ac/time.h>
  15
  16 #include "slap.h"
  17 #include "lber_pvt.h"
  18
  19 /*
  20  * read-only global variables or variables only written by the listener
  21  * thread (after they are initialized) - no need to protect them with a mutex.
  22  */
  23 int             slap_debug = 0;
  24
  25 #ifdef LDAP_DEBUG
  26 int             ldap_syslog = LDAP_DEBUG_STATS;
  27 #else
  28 int             ldap_syslog;
  29 #endif
  30
  31 #ifdef LOG_DEBUG
  32 int             ldap_syslog_level = LOG_DEBUG;
  33 #endif
  34
  35 BerVarray default_referral = NULL;
  36
  37 struct berval AllUser = BER_BVC( LDAP_ALL_USER_ATTRIBUTES );
  38 struct berval AllOper = BER_BVC( LDAP_ALL_OPERATIONAL_ATTRIBUTES );
  39 struct berval NoAttrs = BER_BVC( LDAP_NO_ATTRS );
  40
  41 /*
  42  * global variables that need mutex protection
  43  */
  44 ldap_pvt_thread_pool_t  connection_pool;
  45 int                     connection_pool_max = SLAP_MAX_WORKER_THREADS;
  46 ldap_pvt_thread_mutex_t gmtime_mutex;
  47 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
  48 ldap_pvt_thread_mutex_t passwd_mutex;
  49 #endif
  50
  51 unsigned long                   num_ops_initiated = 0;
  52 unsigned long                   num_ops_completed = 0;
  53 #ifdef SLAPD_MONITOR
  54 unsigned long                   num_ops_initiated_[SLAP_OP_LAST];
  55 unsigned long                   num_ops_completed_[SLAP_OP_LAST];
  56 #endif /* SLAPD_MONITOR */
  57 ldap_pvt_thread_mutex_t num_ops_mutex;
  58
  59 unsigned long                   num_entries_sent;
  60 unsigned long                   num_refs_sent;
  61 unsigned long                   num_bytes_sent;
  62 unsigned long                   num_pdu_sent;
  63 ldap_pvt_thread_mutex_t num_sent_mutex;
  64 /*
  65  * these mutexes must be used when calling the entry2str()
  66  * routine since it returns a pointer to static data.
  67  */
  68 ldap_pvt_thread_mutex_t entry2str_mutex;
  69 ldap_pvt_thread_mutex_t replog_mutex;
  70
  71 static const char* slap_name = NULL;
  72 int slapMode = SLAP_UNDEFINED_MODE;
  73
  74 /*
  75  * all known control OIDs should be added to this list
  76  */
  77 char *slap_known_controls[] = {
  78 #ifdef LDAP_CONTROL_REFERRALS
  79         LDAP_CONTROL_REFERRALS,
  80 #endif /* LDAP_CONTROL_REFERRALS */
  81
  82 #ifdef LDAP_CONTROL_MANAGEDSAIT
  83         LDAP_CONTROL_MANAGEDSAIT,
  84 #endif /* LDAP_CONTROL_MANAGEDSAIT */
  85
  86 #ifdef LDAP_CONTROL_SUBENTRIES
  87         LDAP_CONTROL_SUBENTRIES,
  88 #endif /* LDAP_CONTROL_SUBENTRIES */
  89
  90 #ifdef LDAP_CONTROL_NOOP
  91         LDAP_CONTROL_NOOP,
  92 #endif /* LDAP_CONTROL_NOOP */
  93
  94 #ifdef LDAP_CONTROL_DUPENT_REQUEST
  95         LDAP_CONTROL_DUPENT_REQUEST,
  96 #endif /* LDAP_CONTROL_DUPENT_REQUEST */
  97
  98 #ifdef LDAP_CONTROL_DUPENT_RESPONSE
  99         LDAP_CONTROL_DUPENT_RESPONSE,
 100 #endif /* LDAP_CONTROL_DUPENT_RESPONSE */
 101
 102 #ifdef LDAP_CONTROL_DUPENT_ENTRY
 103         LDAP_CONTROL_DUPENT_ENTRY,
 104 #endif /* LDAP_CONTROL_DUPENT_ENTRY */
 105
 106 #ifdef LDAP_CONTROL_PAGEDRESULTS
 107         LDAP_CONTROL_PAGEDRESULTS,
 108 #endif /* LDAP_CONTROL_PAGEDRESULTS */
 109
 110 #ifdef LDAP_CONTROL_SORTREQUEST
 111         LDAP_CONTROL_SORTREQUEST,
 112 #endif /* LDAP_CONTROL_SORTREQUEST */
 113
 114 #ifdef LDAP_CONTROL_SORTRESPONSE
 115         LDAP_CONTROL_SORTRESPONSE,
 116 #endif /* LDAP_CONTROL_SORTRESPONSE */
 117
 118 #ifdef LDAP_CONTROL_VLVREQUEST
 119         LDAP_CONTROL_VLVREQUEST,
 120 #endif /* LDAP_CONTROL_VLVREQUEST */
 121
 122 #ifdef LDAP_CONTROL_VLVRESPONSE
 123         LDAP_CONTROL_VLVRESPONSE,
 124 #endif /* LDAP_CONTROL_VLVRESPONSE */
 125
 126 #ifdef LDAP_CONTROL_VALUESRETURNFILTER
 127         LDAP_CONTROL_VALUESRETURNFILTER,
 128 #endif /* LDAP_CONTROL_VALUESRETURNFILTER */
 129
 130         NULL
 131 };
 132
 133 int
 134 slap_init( int mode, const char *name )
 135 {
 136         int rc;
 137
 138         assert( mode );
 139
 140         if( slapMode != SLAP_UNDEFINED_MODE ) {
 141 #ifdef NEW_LOGGING
 142                 LDAP_LOG( OPERATION, CRIT,
 143                         "init: %s init called twice (old=%d, new=%d)\n",
 144                         name, slapMode, mode );
 145 #else
 146                 Debug( LDAP_DEBUG_ANY,
 147                  "%s init: init called twice (old=%d, new=%d)\n",
 148                  name, slapMode, mode );
 149 #endif
 150
 151                 return 1;
 152         }
 153
 154         slapMode = mode;
 155
 156         switch ( slapMode & SLAP_MODE ) {
 157                 case SLAP_SERVER_MODE:
 158                 case SLAP_TOOL_MODE:
 159 #ifdef NEW_LOGGING
 160                         LDAP_LOG( OPERATION, DETAIL1,
 161                                 "init: %s initiation, initiated %s.\n",
 162                                 name, (mode & SLAP_MODE) == SLAP_TOOL_MODE ?
 163                                   "tool" : "server", 0 );
 164 #else
 165                         Debug( LDAP_DEBUG_TRACE,
 166                                 "%s init: initiated %s.\n",     name,
 167                                 (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server",
 168                                 0 );
 169 #endif
 170
 171
 172                         slap_name = name;
 173
 174                         (void) ldap_pvt_thread_initialize();
 175
 176                         ldap_pvt_thread_pool_init(&connection_pool, connection_pool_max, 0);
 177
 178                         ldap_pvt_thread_mutex_init( &entry2str_mutex );
 179                         ldap_pvt_thread_mutex_init( &replog_mutex );
 180                         ldap_pvt_thread_mutex_init( &num_ops_mutex );
 181                         ldap_pvt_thread_mutex_init( &num_sent_mutex );
 182
 183 #ifdef SLAPD_MONITOR
 184                         {
 185                                 int i;
 186                                 for ( i = 0; i < SLAP_OP_LAST; i++ ) {
 187                                         num_ops_initiated_[ i ] = 0;
 188                                         num_ops_completed_[ i ] = 0;
 189                                 }
 190                         }
 191 #endif
 192
 193                         ldap_pvt_thread_mutex_init( &gmtime_mutex );
 194 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
 195                         ldap_pvt_thread_mutex_init( &passwd_mutex );
 196 #endif
 197
 198                         rc = slap_sasl_init();
 199
 200                         if( rc == 0 ) {
 201                                 rc = backend_init( );
 202                         }
 203                         break;
 204
 205                 default:
 206 #ifdef NEW_LOGGING
 207                         LDAP_LOG( OPERATION, ERR,
 208                                 "init: %s init, undefined mode (%d).\n", name, mode, 0 );
 209 #else
 210                         Debug( LDAP_DEBUG_ANY,
 211                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 212 #endif
 213
 214                         rc = 1;
 215                         break;
 216         }
 217
 218         return rc;
 219 }
 220
 221 int slap_startup( Backend *be )
 222 {
 223         int rc;
 224
 225 #ifdef NEW_LOGGING
 226         LDAP_LOG( OPERATION, CRIT, "slap_startup: %s started\n", slap_name, 0, 0 );
 227 #else
 228         Debug( LDAP_DEBUG_TRACE,
 229                 "%s startup: initiated.\n",
 230                 slap_name, 0, 0 );
 231 #endif
 232
 233
 234         rc = backend_startup( be );
 235
 236         return rc;
 237 }
 238
 239 int slap_shutdown( Backend *be )
 240 {
 241         int rc;
 242
 243 #ifdef NEW_LOGGING
 244         LDAP_LOG( OPERATION, CRIT,
 245                 "slap_shutdown: %s shutdown initiated.\n", slap_name, 0, 0);
 246 #else
 247         Debug( LDAP_DEBUG_TRACE,
 248                 "%s shutdown: initiated\n",
 249                 slap_name, 0, 0 );
 250 #endif
 251
 252
 253         slap_sasl_destroy();
 254
 255         /* let backends do whatever cleanup they need to do */
 256         rc = backend_shutdown( be );
 257
 258         return rc;
 259 }
 260
 261 int slap_destroy(void)
 262 {
 263         int rc;
 264
 265 #ifdef NEW_LOGGING
 266         LDAP_LOG( OPERATION, INFO,
 267                 "slap_destroy: %s freeing system resources.\n", slap_name, 0, 0);
 268 #else
 269         Debug( LDAP_DEBUG_TRACE,
 270                 "%s shutdown: freeing system resources.\n",
 271                 slap_name, 0, 0 );
 272 #endif
 273
 274
 275         rc = backend_destroy();
 276
 277         entry_destroy();
 278
 279         ldap_pvt_thread_destroy();
 280
 281         /* should destory the above mutex */
 282         return rc;
 283 }