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
  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 const char* slap_name = NULL;
  65 int slapMode = SLAP_UNDEFINED_MODE;
  66
  67 int
  68 slap_init( int mode, const char *name )
  69 {
  70         int rc;
  71
  72         assert( mode );
  73
  74         if( slapMode != SLAP_UNDEFINED_MODE ) {
  75 #ifdef NEW_LOGGING
  76                 LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
  77                            "init: %s init called twice (old=%d, new=%d)\n",
  78                            name, slapMode, mode ));
  79 #else
  80                 Debug( LDAP_DEBUG_ANY,
  81                  "%s init: init called twice (old=%d, new=%d)\n",
  82                  name, slapMode, mode );
  83 #endif
  84
  85                 return 1;
  86         }
  87
  88         slapMode = mode;
  89
  90         switch ( slapMode & SLAP_MODE ) {
  91                 case SLAP_SERVER_MODE:
  92                 case SLAP_TOOL_MODE:
  93 #ifdef NEW_LOGGING
  94                         LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
  95                                    "init: %s initiation, initiated %s.\n",
  96                                    name, (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server" ));
  97 #else
  98                         Debug( LDAP_DEBUG_TRACE,
  99                                 "%s init: initiated %s.\n",     name,
 100                                 (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server",
 101                                 0 );
 102 #endif
 103
 104
 105                         slap_name = name;
 106
 107                         (void) ldap_pvt_thread_initialize();
 108
 109                         ldap_pvt_thread_pool_init(&connection_pool, SLAP_MAX_WORKER_THREADS, 0);
 110
 111                         ldap_pvt_thread_mutex_init( &entry2str_mutex );
 112                         ldap_pvt_thread_mutex_init( &replog_mutex );
 113                         ldap_pvt_thread_mutex_init( &num_ops_mutex );
 114                         ldap_pvt_thread_mutex_init( &num_sent_mutex );
 115
 116                         ldap_pvt_thread_mutex_init( &gmtime_mutex );
 117 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
 118                         ldap_pvt_thread_mutex_init( &passwd_mutex );
 119 #endif
 120
 121                         rc = slap_sasl_init();
 122
 123                         if( rc == 0 ) {
 124                                 rc = backend_init( );
 125                         }
 126                         break;
 127
 128                 default:
 129 #ifdef NEW_LOGGING
 130                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 131                                    "init: %s init, undefined mode (%d).\n", name, mode ));
 132 #else
 133                         Debug( LDAP_DEBUG_ANY,
 134                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 135 #endif
 136
 137                         rc = 1;
 138                         break;
 139         }
 140
 141         return rc;
 142 }
 143
 144 int slap_startup( Backend *be )
 145 {
 146         int rc;
 147
 148 #ifdef NEW_LOGGING
 149         LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 150                    "slap_startup: %s started\n", slap_name ));
 151 #else
 152         Debug( LDAP_DEBUG_TRACE,
 153                 "%s startup: initiated.\n",
 154                 slap_name, 0, 0 );
 155 #endif
 156
 157
 158         rc = backend_startup( be );
 159
 160         return rc;
 161 }
 162
 163 int slap_shutdown( Backend *be )
 164 {
 165         int rc;
 166
 167 #ifdef NEW_LOGGING
 168         LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 169                    "slap_shutdown: %s shutdown initiated.\n", slap_name));
 170 #else
 171         Debug( LDAP_DEBUG_TRACE,
 172                 "%s shutdown: initiated\n",
 173                 slap_name, 0, 0 );
 174 #endif
 175
 176
 177         slap_sasl_destroy();
 178
 179         /* let backends do whatever cleanup they need to do */
 180         rc = backend_shutdown( be );
 181
 182         return rc;
 183 }
 184
 185 int slap_destroy(void)
 186 {
 187         int rc;
 188
 189 #ifdef NEW_LOGGING
 190         LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
 191                    "slap_destroy: %s freeing system resources.\n",
 192                    slap_name ));
 193 #else
 194         Debug( LDAP_DEBUG_TRACE,
 195                 "%s shutdown: freeing system resources.\n",
 196                 slap_name, 0, 0 );
 197 #endif
 198
 199
 200         rc = backend_destroy();
 201
 202         entry_destroy();
 203
 204         ldap_pvt_thread_destroy();
 205
 206         /* should destory the above mutex */
 207         return rc;
 208 }