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 static ldap_pvt_thread_mutex_t  currenttime_mutex;
  69
  70 int
  71 slap_init( int mode, const char *name )
  72 {
  73         int rc;
  74
  75         assert( mode );
  76
  77         if( slapMode != SLAP_UNDEFINED_MODE ) {
  78 #ifdef NEW_LOGGING
  79                 LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
  80                            "init: %s init called twice (old=%d, new=%d)\n",
  81                            name, slapMode, mode ));
  82 #else
  83                 Debug( LDAP_DEBUG_ANY,
  84                  "%s init: init called twice (old=%d, new=%d)\n",
  85                  name, slapMode, mode );
  86 #endif
  87
  88                 return 1;
  89         }
  90
  91         slapMode = mode;
  92
  93         switch ( slapMode & SLAP_MODE ) {
  94                 case SLAP_SERVER_MODE:
  95                 case SLAP_TOOL_MODE:
  96 #ifdef NEW_LOGGING
  97                         LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
  98                                    "init: %s initiation, initiated %s.\n",
  99                                    name, (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server" ));
 100 #else
 101                         Debug( LDAP_DEBUG_TRACE,
 102                                 "%s init: initiated %s.\n",     name,
 103                                 (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server",
 104                                 0 );
 105 #endif
 106
 107
 108                         slap_name = name;
 109
 110                         (void) ldap_pvt_thread_initialize();
 111
 112                         ldap_pvt_thread_pool_init(&connection_pool, SLAP_MAX_WORKER_THREADS, 0);
 113
 114                         ldap_pvt_thread_mutex_init( &currenttime_mutex );
 115                         ldap_pvt_thread_mutex_init( &entry2str_mutex );
 116                         ldap_pvt_thread_mutex_init( &replog_mutex );
 117                         ldap_pvt_thread_mutex_init( &num_ops_mutex );
 118                         ldap_pvt_thread_mutex_init( &num_sent_mutex );
 119
 120                         ldap_pvt_thread_mutex_init( &gmtime_mutex );
 121                         ldap_pvt_thread_mutex_init( &ad_mutex );
 122 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
 123                         ldap_pvt_thread_mutex_init( &passwd_mutex );
 124 #endif
 125
 126                         rc = slap_sasl_init();
 127
 128                         if( rc == 0 ) {
 129                                 rc = backend_init( );
 130                         }
 131                         break;
 132
 133                 default:
 134 #ifdef NEW_LOGGING
 135                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 136                                    "init: %s init, undefined mode (%d).\n", name, mode ));
 137 #else
 138                         Debug( LDAP_DEBUG_ANY,
 139                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 140 #endif
 141
 142                         rc = 1;
 143                         break;
 144         }
 145
 146         return rc;
 147 }
 148
 149 int slap_startup( Backend *be )
 150 {
 151         int rc;
 152
 153 #ifdef NEW_LOGGING
 154         LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 155                    "slap_startup: %s started\n", slap_name ));
 156 #else
 157         Debug( LDAP_DEBUG_TRACE,
 158                 "%s startup: initiated.\n",
 159                 slap_name, 0, 0 );
 160 #endif
 161
 162
 163         rc = backend_startup( be );
 164
 165         return rc;
 166 }
 167
 168 int slap_shutdown( Backend *be )
 169 {
 170         int rc;
 171
 172 #ifdef NEW_LOGGING
 173         LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 174                    "slap_shutdown: %s shutdown initiated.\n", slap_name));
 175 #else
 176         Debug( LDAP_DEBUG_TRACE,
 177                 "%s shutdown: initiated\n",
 178                 slap_name, 0, 0 );
 179 #endif
 180
 181
 182         slap_sasl_destroy();
 183
 184         /* let backends do whatever cleanup they need to do */
 185         rc = backend_shutdown( be );
 186
 187         return rc;
 188 }
 189
 190 int slap_destroy(void)
 191 {
 192         int rc;
 193
 194 #ifdef NEW_LOGGING
 195         LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
 196                    "slap_destroy: %s freeing system resources.\n",
 197                    slap_name ));
 198 #else
 199         Debug( LDAP_DEBUG_TRACE,
 200                 "%s shutdown: freeing system resources.\n",
 201                 slap_name, 0, 0 );
 202 #endif
 203
 204
 205         rc = backend_destroy();
 206
 207         entry_destroy();
 208
 209         ldap_pvt_thread_destroy();
 210
 211         /* should destory the above mutex */
 212         return rc;
 213 }
 214
 215 /* should create a utils.c for these */
 216 time_t slap_get_time(void)
 217 {
 218         time_t t;
 219         ldap_pvt_thread_mutex_lock( &currenttime_mutex );
 220         time( &t );
 221         ldap_pvt_thread_mutex_unlock( &currenttime_mutex );
 222         return t;
 223 }