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

   1 /* init.c - initialize various things */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2003 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 int
  75 slap_init( int mode, const char *name )
  76 {
  77         int rc;
  78
  79         assert( mode );
  80
  81         if( slapMode != SLAP_UNDEFINED_MODE ) {
  82 #ifdef NEW_LOGGING
  83                 LDAP_LOG( OPERATION, CRIT,
  84                         "init: %s init called twice (old=%d, new=%d)\n",
  85                         name, slapMode, mode );
  86 #else
  87                 Debug( LDAP_DEBUG_ANY,
  88                  "%s init: init called twice (old=%d, new=%d)\n",
  89                  name, slapMode, mode );
  90 #endif
  91
  92                 return 1;
  93         }
  94
  95         slapMode = mode;
  96
  97         switch ( slapMode & SLAP_MODE ) {
  98                 case SLAP_SERVER_MODE:
  99                 case SLAP_TOOL_MODE:
 100 #ifdef NEW_LOGGING
 101                         LDAP_LOG( OPERATION, DETAIL1,
 102                                 "init: %s initiation, initiated %s.\n",
 103                                 name, (mode & SLAP_MODE) == SLAP_TOOL_MODE ?
 104                                   "tool" : "server", 0 );
 105 #else
 106                         Debug( LDAP_DEBUG_TRACE,
 107                                 "%s init: initiated %s.\n",     name,
 108                                 (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server",
 109                                 0 );
 110 #endif
 111
 112
 113                         slap_name = name;
 114
 115                         (void) ldap_pvt_thread_initialize();
 116
 117                         ldap_pvt_thread_pool_init(&connection_pool, connection_pool_max, 0);
 118
 119                         ldap_pvt_thread_mutex_init( &entry2str_mutex );
 120                         ldap_pvt_thread_mutex_init( &replog_mutex );
 121                         ldap_pvt_thread_mutex_init( &num_ops_mutex );
 122                         ldap_pvt_thread_mutex_init( &num_sent_mutex );
 123
 124 #ifdef SLAPD_MONITOR
 125                         {
 126                                 int i;
 127                                 for ( i = 0; i < SLAP_OP_LAST; i++ ) {
 128                                         num_ops_initiated_[ i ] = 0;
 129                                         num_ops_completed_[ i ] = 0;
 130                                 }
 131                         }
 132 #endif
 133
 134                         ldap_pvt_thread_mutex_init( &gmtime_mutex );
 135 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
 136                         ldap_pvt_thread_mutex_init( &passwd_mutex );
 137 #endif
 138
 139                         rc = slap_sasl_init();
 140
 141                         if( rc == 0 ) {
 142                                 rc = backend_init( );
 143                         }
 144                         break;
 145
 146                 default:
 147 #ifdef NEW_LOGGING
 148                         LDAP_LOG( OPERATION, ERR,
 149                                 "init: %s init, undefined mode (%d).\n", name, mode, 0 );
 150 #else
 151                         Debug( LDAP_DEBUG_ANY,
 152                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 153 #endif
 154
 155                         rc = 1;
 156                         break;
 157         }
 158
 159         return rc;
 160 }
 161
 162 int slap_startup( Backend *be )
 163 {
 164         int rc;
 165
 166 #ifdef NEW_LOGGING
 167         LDAP_LOG( OPERATION, CRIT, "slap_startup: %s started\n", slap_name, 0, 0 );
 168 #else
 169         Debug( LDAP_DEBUG_TRACE,
 170                 "%s startup: initiated.\n",
 171                 slap_name, 0, 0 );
 172 #endif
 173
 174
 175         rc = backend_startup( be );
 176
 177         return rc;
 178 }
 179
 180 int slap_shutdown( Backend *be )
 181 {
 182         int rc;
 183
 184 #ifdef NEW_LOGGING
 185         LDAP_LOG( OPERATION, CRIT,
 186                 "slap_shutdown: %s shutdown initiated.\n", slap_name, 0, 0);
 187 #else
 188         Debug( LDAP_DEBUG_TRACE,
 189                 "%s shutdown: initiated\n",
 190                 slap_name, 0, 0 );
 191 #endif
 192
 193
 194         slap_sasl_destroy();
 195
 196         /* let backends do whatever cleanup they need to do */
 197         rc = backend_shutdown( be );
 198
 199         return rc;
 200 }
 201
 202 int slap_destroy(void)
 203 {
 204         int rc;
 205
 206 #ifdef NEW_LOGGING
 207         LDAP_LOG( OPERATION, INFO,
 208                 "slap_destroy: %s freeing system resources.\n", slap_name, 0, 0);
 209 #else
 210         Debug( LDAP_DEBUG_TRACE,
 211                 "%s shutdown: freeing system resources.\n",
 212                 slap_name, 0, 0 );
 213 #endif
 214
 215
 216         rc = backend_destroy();
 217
 218         entry_destroy();
 219
 220         ldap_pvt_thread_destroy();
 221
 222         /* should destory the above mutex */
 223         return rc;
 224 }