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