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
  18 /*
  19  * read-only global variables or variables only written by the listener
  20  * thread (after they are initialized) - no need to protect them with a mutex.
  21  */
  22 int             slap_debug = 0;
  23
  24 #ifdef LDAP_DEBUG
  25 int             ldap_syslog = LDAP_DEBUG_STATS;
  26 #else
  27 int             ldap_syslog;
  28 #endif
  29
  30 #ifdef LOG_DEBUG
  31 int             ldap_syslog_level = LOG_DEBUG;
  32 #endif
  33
  34 BerVarray default_referral = NULL;
  35
  36 /*
  37  * global variables that need mutex protection
  38  */
  39 ldap_pvt_thread_pool_t  connection_pool;
  40 int                     connection_pool_max = SLAP_MAX_WORKER_THREADS;
  41 ldap_pvt_thread_mutex_t gmtime_mutex;
  42 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
  43 ldap_pvt_thread_mutex_t passwd_mutex;
  44 #endif
  45
  46 unsigned long                   num_ops_initiated = 0;
  47 unsigned long                   num_ops_completed = 0;
  48 #ifdef SLAPD_MONITOR
  49 unsigned long                   num_ops_initiated_[SLAP_OP_LAST];
  50 unsigned long                   num_ops_completed_[SLAP_OP_LAST];
  51 #endif /* SLAPD_MONITOR */
  52 ldap_pvt_thread_mutex_t num_ops_mutex;
  53
  54 unsigned long                   num_entries_sent;
  55 unsigned long                   num_refs_sent;
  56 unsigned long                   num_bytes_sent;
  57 unsigned long                   num_pdu_sent;
  58 ldap_pvt_thread_mutex_t num_sent_mutex;
  59 /*
  60  * these mutexes must be used when calling the entry2str()
  61  * routine since it returns a pointer to static data.
  62  */
  63 ldap_pvt_thread_mutex_t entry2str_mutex;
  64 ldap_pvt_thread_mutex_t replog_mutex;
  65
  66 static const char* slap_name = NULL;
  67 int slapMode = SLAP_UNDEFINED_MODE;
  68
  69 int
  70 slap_init( int mode, const char *name )
  71 {
  72         int rc;
  73
  74         assert( mode );
  75
  76         if( slapMode != SLAP_UNDEFINED_MODE ) {
  77 #ifdef NEW_LOGGING
  78                 LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
  79                            "init: %s init called twice (old=%d, new=%d)\n",
  80                            name, slapMode, mode ));
  81 #else
  82                 Debug( LDAP_DEBUG_ANY,
  83                  "%s init: init called twice (old=%d, new=%d)\n",
  84                  name, slapMode, mode );
  85 #endif
  86
  87                 return 1;
  88         }
  89
  90         slapMode = mode;
  91
  92         switch ( slapMode & SLAP_MODE ) {
  93                 case SLAP_SERVER_MODE:
  94                 case SLAP_TOOL_MODE:
  95 #ifdef NEW_LOGGING
  96                         LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
  97                                    "init: %s initiation, initiated %s.\n",
  98                                    name, (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server" ));
  99 #else
 100                         Debug( LDAP_DEBUG_TRACE,
 101                                 "%s init: initiated %s.\n",     name,
 102                                 (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server",
 103                                 0 );
 104 #endif
 105
 106
 107                         slap_name = name;
 108
 109                         (void) ldap_pvt_thread_initialize();
 110
 111                         ldap_pvt_thread_pool_init(&connection_pool, connection_pool_max, 0);
 112
 113                         ldap_pvt_thread_mutex_init( &entry2str_mutex );
 114                         ldap_pvt_thread_mutex_init( &replog_mutex );
 115                         ldap_pvt_thread_mutex_init( &num_ops_mutex );
 116                         ldap_pvt_thread_mutex_init( &num_sent_mutex );
 117
 118 #ifdef SLAPD_MONITOR
 119                         {
 120                                 int i;
 121                                 for ( i = 0; i < SLAP_OP_LAST; i++ ) {
 122                                         num_ops_initiated_[ i ] = 0;
 123                                         num_ops_completed_[ i ] = 0;
 124                                 }
 125                         }
 126 #endif
 127
 128                         ldap_pvt_thread_mutex_init( &gmtime_mutex );
 129 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
 130                         ldap_pvt_thread_mutex_init( &passwd_mutex );
 131 #endif
 132
 133                         rc = slap_sasl_init();
 134
 135                         if( rc == 0 ) {
 136                                 rc = backend_init( );
 137                         }
 138                         break;
 139
 140                 default:
 141 #ifdef NEW_LOGGING
 142                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 143                                    "init: %s init, undefined mode (%d).\n", name, mode ));
 144 #else
 145                         Debug( LDAP_DEBUG_ANY,
 146                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 147 #endif
 148
 149                         rc = 1;
 150                         break;
 151         }
 152
 153         return rc;
 154 }
 155
 156 int slap_startup( Backend *be )
 157 {
 158         int rc;
 159
 160 #ifdef NEW_LOGGING
 161         LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 162                    "slap_startup: %s started\n", slap_name ));
 163 #else
 164         Debug( LDAP_DEBUG_TRACE,
 165                 "%s startup: initiated.\n",
 166                 slap_name, 0, 0 );
 167 #endif
 168
 169
 170         rc = backend_startup( be );
 171
 172         return rc;
 173 }
 174
 175 int slap_shutdown( Backend *be )
 176 {
 177         int rc;
 178
 179 #ifdef NEW_LOGGING
 180         LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 181                    "slap_shutdown: %s shutdown initiated.\n", slap_name));
 182 #else
 183         Debug( LDAP_DEBUG_TRACE,
 184                 "%s shutdown: initiated\n",
 185                 slap_name, 0, 0 );
 186 #endif
 187
 188
 189         slap_sasl_destroy();
 190
 191         /* let backends do whatever cleanup they need to do */
 192         rc = backend_shutdown( be );
 193
 194         return rc;
 195 }
 196
 197 int slap_destroy(void)
 198 {
 199         int rc;
 200
 201 #ifdef NEW_LOGGING
 202         LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
 203                    "slap_destroy: %s freeing system resources.\n",
 204                    slap_name ));
 205 #else
 206         Debug( LDAP_DEBUG_TRACE,
 207                 "%s shutdown: freeing system resources.\n",
 208                 slap_name, 0, 0 );
 209 #endif
 210
 211
 212         rc = backend_destroy();
 213
 214         entry_destroy();
 215
 216         ldap_pvt_thread_destroy();
 217
 218         /* should destory the above mutex */
 219         return rc;
 220 }