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

   1 /* init.c - initialize various things */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2000 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 struct berval **default_referral = NULL;
  35 int             g_argc;
  36 char            **g_argv;
  37
  38 /*
  39  * global variables that need mutex protection
  40  */
  41 ldap_pvt_thread_pool_t  connection_pool;
  42 ldap_pvt_thread_mutex_t gmtime_mutex;
  43 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
  44 ldap_pvt_thread_mutex_t passwd_mutex;
  45 #endif
  46 ldap_pvt_thread_mutex_t ad_mutex;
  47
  48 int                             num_conns;
  49 long                    num_ops_initiated;
  50 long                    num_ops_completed;
  51 ldap_pvt_thread_mutex_t num_ops_mutex;
  52
  53 long                    num_entries_sent;
  54 long                    num_refs_sent;
  55 long                    num_bytes_sent;
  56 long                    num_pdu_sent;
  57 ldap_pvt_thread_mutex_t num_sent_mutex;
  58 /*
  59  * these mutexes must be used when calling the entry2str()
  60  * routine since it returns a pointer to static data.
  61  */
  62 ldap_pvt_thread_mutex_t entry2str_mutex;
  63 ldap_pvt_thread_mutex_t replog_mutex;
  64
  65 static const char* slap_name = NULL;
  66 int slapMode = SLAP_UNDEFINED_MODE;
  67
  68 int
  69 slap_init( int mode, const char *name )
  70 {
  71         int rc;
  72
  73         assert( mode );
  74
  75         if( slapMode != SLAP_UNDEFINED_MODE ) {
  76 #ifdef NEW_LOGGING
  77                 LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
  78                            "init: %s init called twice (old=%d, new=%d)\n",
  79                            name, slapMode, mode ));
  80 #else
  81                 Debug( LDAP_DEBUG_ANY,
  82                  "%s init: init called twice (old=%d, new=%d)\n",
  83                  name, slapMode, mode );
  84 #endif
  85
  86                 return 1;
  87         }
  88
  89         slapMode = mode;
  90
  91         switch ( slapMode & SLAP_MODE ) {
  92                 case SLAP_SERVER_MODE:
  93                 case SLAP_TOOL_MODE:
  94 #ifdef NEW_LOGGING
  95                         LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
  96                                    "init: %s initiation, initiated %s.\n",
  97                                    name, (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server" ));
  98 #else
  99                         Debug( LDAP_DEBUG_TRACE,
 100                                 "%s init: initiated %s.\n",     name,
 101                                 (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server",
 102                                 0 );
 103 #endif
 104
 105
 106                         slap_name = name;
 107
 108                         (void) ldap_pvt_thread_initialize();
 109
 110                         ldap_pvt_thread_pool_init(&connection_pool, SLAP_MAX_WORKER_THREADS, 0);
 111
 112                         ldap_pvt_thread_mutex_init( &entry2str_mutex );
 113                         ldap_pvt_thread_mutex_init( &replog_mutex );
 114                         ldap_pvt_thread_mutex_init( &num_ops_mutex );
 115                         ldap_pvt_thread_mutex_init( &num_sent_mutex );
 116
 117                         ldap_pvt_thread_mutex_init( &gmtime_mutex );
 118                         ldap_pvt_thread_mutex_init( &ad_mutex );
 119 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
 120                         ldap_pvt_thread_mutex_init( &passwd_mutex );
 121 #endif
 122
 123                         rc = slap_sasl_init();
 124
 125                         if( rc == 0 ) {
 126                                 rc = backend_init( );
 127                         }
 128                         break;
 129
 130                 default:
 131 #ifdef NEW_LOGGING
 132                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 133                                    "init: %s init, undefined mode (%d).\n", name, mode ));
 134 #else
 135                         Debug( LDAP_DEBUG_ANY,
 136                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 137 #endif
 138
 139                         rc = 1;
 140                         break;
 141         }
 142
 143         return rc;
 144 }
 145
 146 int slap_startup( Backend *be )
 147 {
 148         int rc;
 149
 150 #ifdef NEW_LOGGING
 151         LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 152                    "slap_startup: %s started\n", slap_name ));
 153 #else
 154         Debug( LDAP_DEBUG_TRACE,
 155                 "%s startup: initiated.\n",
 156                 slap_name, 0, 0 );
 157 #endif
 158
 159
 160         rc = backend_startup( be );
 161
 162         return rc;
 163 }
 164
 165 int slap_shutdown( Backend *be )
 166 {
 167         int rc;
 168
 169 #ifdef NEW_LOGGING
 170         LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 171                    "slap_shutdown: %s shutdown initiated.\n", slap_name));
 172 #else
 173         Debug( LDAP_DEBUG_TRACE,
 174                 "%s shutdown: initiated\n",
 175                 slap_name, 0, 0 );
 176 #endif
 177
 178
 179         slap_sasl_destroy();
 180
 181         /* let backends do whatever cleanup they need to do */
 182         rc = backend_shutdown( be );
 183
 184         return rc;
 185 }
 186
 187 int slap_destroy(void)
 188 {
 189         int rc;
 190
 191 #ifdef NEW_LOGGING
 192         LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
 193                    "slap_destroy: %s freeing system resources.\n",
 194                    slap_name ));
 195 #else
 196         Debug( LDAP_DEBUG_TRACE,
 197                 "%s shutdown: freeing system resources.\n",
 198                 slap_name, 0, 0 );
 199 #endif
 200
 201
 202         rc = backend_destroy();
 203
 204         entry_destroy();
 205
 206         ldap_pvt_thread_destroy();
 207
 208         /* should destory the above mutex */
 209         return rc;
 210 }