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 int                     connection_pool_max = SLAP_MAX_WORKER_THREADS;
  43 ldap_pvt_thread_mutex_t gmtime_mutex;
  44 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
  45 ldap_pvt_thread_mutex_t passwd_mutex;
  46 #endif
  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, connection_pool_max, 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 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
 119                         ldap_pvt_thread_mutex_init( &passwd_mutex );
 120 #endif
 121
 122                         rc = slap_sasl_init();
 123
 124                         if( rc == 0 ) {
 125                                 rc = backend_init( );
 126                         }
 127                         break;
 128
 129                 default:
 130 #ifdef NEW_LOGGING
 131                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 132                                    "init: %s init, undefined mode (%d).\n", name, mode ));
 133 #else
 134                         Debug( LDAP_DEBUG_ANY,
 135                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 136 #endif
 137
 138                         rc = 1;
 139                         break;
 140         }
 141
 142         return rc;
 143 }
 144
 145 int slap_startup( Backend *be )
 146 {
 147         int rc;
 148
 149 #ifdef NEW_LOGGING
 150         LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 151                    "slap_startup: %s started\n", slap_name ));
 152 #else
 153         Debug( LDAP_DEBUG_TRACE,
 154                 "%s startup: initiated.\n",
 155                 slap_name, 0, 0 );
 156 #endif
 157
 158
 159         rc = backend_startup( be );
 160
 161         return rc;
 162 }
 163
 164 int slap_shutdown( Backend *be )
 165 {
 166         int rc;
 167
 168 #ifdef NEW_LOGGING
 169         LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 170                    "slap_shutdown: %s shutdown initiated.\n", slap_name));
 171 #else
 172         Debug( LDAP_DEBUG_TRACE,
 173                 "%s shutdown: initiated\n",
 174                 slap_name, 0, 0 );
 175 #endif
 176
 177
 178         slap_sasl_destroy();
 179
 180         /* let backends do whatever cleanup they need to do */
 181         rc = backend_shutdown( be );
 182
 183         return rc;
 184 }
 185
 186 int slap_destroy(void)
 187 {
 188         int rc;
 189
 190 #ifdef NEW_LOGGING
 191         LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
 192                    "slap_destroy: %s freeing system resources.\n",
 193                    slap_name ));
 194 #else
 195         Debug( LDAP_DEBUG_TRACE,
 196                 "%s shutdown: freeing system resources.\n",
 197                 slap_name, 0, 0 );
 198 #endif
 199
 200
 201         rc = backend_destroy();
 202
 203         entry_destroy();
 204
 205         ldap_pvt_thread_destroy();
 206
 207         /* should destory the above mutex */
 208         return rc;
 209 }