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

   1 /* init.c - initialize various things */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-1999 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 int             ldap_syslog_level = LOG_DEBUG;
  31 struct berval **default_referral = NULL;
  32 int             g_argc;
  33 char            **g_argv;
  34
  35 /*
  36  * global variables that need mutex protection
  37  */
  38 int                             active_threads;
  39 ldap_pvt_thread_mutex_t active_threads_mutex;
  40 ldap_pvt_thread_cond_t  active_threads_cond;
  41
  42 ldap_pvt_thread_mutex_t gmtime_mutex;
  43 #ifdef SLAPD_CRYPT
  44 ldap_pvt_thread_mutex_t crypt_mutex;
  45 #endif
  46
  47 int                             num_conns;
  48 long                    num_ops_initiated;
  49 long                    num_ops_completed;
  50 ldap_pvt_thread_mutex_t num_ops_mutex;
  51
  52 long                    num_entries_sent;
  53 long                    num_refs_sent;
  54 long                    num_bytes_sent;
  55 long                    num_pdu_sent;
  56 ldap_pvt_thread_mutex_t num_sent_mutex;
  57 /*
  58  * these mutexes must be used when calling the entry2str()
  59  * routine since it returns a pointer to static data.
  60  */
  61 ldap_pvt_thread_mutex_t entry2str_mutex;
  62 ldap_pvt_thread_mutex_t replog_mutex;
  63
  64 static char* slap_name;
  65 int slapMode = SLAP_UNDEFINED_MODE;
  66
  67 static ldap_pvt_thread_mutex_t  currenttime_mutex;
  68
  69 int
  70 slap_init( int mode, char *name )
  71 {
  72         int rc;
  73
  74         assert( mode );
  75
  76         if( slapMode != SLAP_UNDEFINED_MODE ) {
  77                 Debug( LDAP_DEBUG_ANY,
  78                  "%s init: init called twice (old=%d, new=%d)\n",
  79                  name, slapMode, mode );
  80                 return 1;
  81         }
  82
  83         slapMode = mode;
  84
  85         switch ( slapMode & SLAP_MODE ) {
  86                 case SLAP_SERVER_MODE:
  87                 case SLAP_TOOL_MODE:
  88                         Debug( LDAP_DEBUG_TRACE,
  89                                 "%s init: initiated %s.\n",
  90                                 name, ( mode & SLAP_TOOL_MODE ) ? "tool" : "server", 0 );
  91
  92                         slap_name = name;
  93
  94                         (void) ldap_pvt_thread_initialize();
  95
  96                         ldap_pvt_thread_mutex_init( &active_threads_mutex );
  97                         ldap_pvt_thread_cond_init( &active_threads_cond );
  98
  99                         ldap_pvt_thread_mutex_init( &currenttime_mutex );
 100                         ldap_pvt_thread_mutex_init( &entry2str_mutex );
 101                         ldap_pvt_thread_mutex_init( &replog_mutex );
 102                         ldap_pvt_thread_mutex_init( &num_ops_mutex );
 103                         ldap_pvt_thread_mutex_init( &num_sent_mutex );
 104
 105                         ldap_pvt_thread_mutex_init( &gmtime_mutex );
 106 #ifdef SLAPD_CRYPT
 107                         ldap_pvt_thread_mutex_init( &crypt_mutex );
 108 #endif
 109
 110                         rc = backend_init( );
 111                         break;
 112
 113                 default:
 114                         Debug( LDAP_DEBUG_ANY,
 115                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 116                         rc = 1;
 117                         break;
 118         }
 119
 120         return rc;
 121 }
 122
 123 int slap_startup( Backend *be )
 124 {
 125         int rc;
 126
 127         Debug( LDAP_DEBUG_TRACE,
 128                 "%s startup: initiated.\n",
 129                 slap_name, 0, 0 );
 130
 131         rc = backend_startup( be );
 132
 133         if( rc == 0 ) {
 134                 rc = sasl_init();
 135         }
 136
 137         return rc;
 138 }
 139
 140 int slap_shutdown( Backend *be )
 141 {
 142         int rc;
 143
 144         Debug( LDAP_DEBUG_TRACE,
 145                 "%s shutdown: initiated\n",
 146                 slap_name, 0, 0 );
 147
 148         sasl_destroy();
 149
 150         /* let backends do whatever cleanup they need to do */
 151         rc = backend_shutdown( be );
 152
 153         return rc;
 154 }
 155
 156 int slap_destroy(void)
 157 {
 158         int rc;
 159
 160         Debug( LDAP_DEBUG_TRACE,
 161                 "%s shutdown: freeing system resources.\n",
 162                 slap_name, 0, 0 );
 163
 164         rc = backend_destroy();
 165
 166         entry_destroy();
 167
 168         ldap_pvt_thread_destroy();
 169
 170         /* should destory the above mutex */
 171         return rc;
 172 }
 173
 174 /* should create a utils.c for these */
 175 time_t slap_get_time(void)
 176 {
 177         time_t t;
 178         ldap_pvt_thread_mutex_lock( &currenttime_mutex );
 179         time( &t );
 180         ldap_pvt_thread_mutex_unlock( &currenttime_mutex );
 181         return t;
 182 }