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 static ldap_pvt_thread_mutex_t  currenttime_mutex;
  68
  69 int
  70 slap_init( int mode, const char *name )
  71 {
  72         int rc;
  73
  74         assert( mode );
  75
  76         if( slapMode != SLAP_UNDEFINED_MODE ) {
  77 #ifdef NEW_LOGGING
  78                 LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
  79                            "init: %s init called twice (old=%d, new=%d)\n",
  80                            name, slapMode, mode ));
  81 #else
  82                 Debug( LDAP_DEBUG_ANY,
  83                  "%s init: init called twice (old=%d, new=%d)\n",
  84                  name, slapMode, mode );
  85 #endif
  86
  87                 return 1;
  88         }
  89
  90         slapMode = mode;
  91
  92         switch ( slapMode & SLAP_MODE ) {
  93                 case SLAP_SERVER_MODE:
  94                 case SLAP_TOOL_MODE:
  95 #ifdef NEW_LOGGING
  96                         LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
  97                                    "init: %s initiation, initiated %s.\n",
  98                                    name, (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server" ));
  99 #else
 100                         Debug( LDAP_DEBUG_TRACE,
 101                                 "%s init: initiated %s.\n",     name,
 102                                 (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server",
 103                                 0 );
 104 #endif
 105
 106
 107                         slap_name = name;
 108
 109                         (void) ldap_pvt_thread_initialize();
 110
 111                         ldap_pvt_thread_pool_init(&connection_pool, SLAP_MAX_WORKER_THREADS, 0);
 112
 113                         ldap_pvt_thread_mutex_init( &currenttime_mutex );
 114                         ldap_pvt_thread_mutex_init( &entry2str_mutex );
 115                         ldap_pvt_thread_mutex_init( &replog_mutex );
 116                         ldap_pvt_thread_mutex_init( &num_ops_mutex );
 117                         ldap_pvt_thread_mutex_init( &num_sent_mutex );
 118
 119                         ldap_pvt_thread_mutex_init( &gmtime_mutex );
 120 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
 121                         ldap_pvt_thread_mutex_init( &passwd_mutex );
 122 #endif
 123
 124                         rc = slap_sasl_init();
 125
 126                         if( rc == 0 ) {
 127                                 rc = backend_init( );
 128                         }
 129                         break;
 130
 131                 default:
 132 #ifdef NEW_LOGGING
 133                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 134                                    "init: %s init, undefined mode (%d).\n", name, mode ));
 135 #else
 136                         Debug( LDAP_DEBUG_ANY,
 137                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 138 #endif
 139
 140                         rc = 1;
 141                         break;
 142         }
 143
 144         return rc;
 145 }
 146
 147 int slap_startup( Backend *be )
 148 {
 149         int rc;
 150
 151 #ifdef NEW_LOGGING
 152         LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 153                    "slap_startup: %s started\n", slap_name ));
 154 #else
 155         Debug( LDAP_DEBUG_TRACE,
 156                 "%s startup: initiated.\n",
 157                 slap_name, 0, 0 );
 158 #endif
 159
 160
 161         rc = backend_startup( be );
 162
 163         return rc;
 164 }
 165
 166 int slap_shutdown( Backend *be )
 167 {
 168         int rc;
 169
 170 #ifdef NEW_LOGGING
 171         LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 172                    "slap_shutdown: %s shutdown initiated.\n", slap_name));
 173 #else
 174         Debug( LDAP_DEBUG_TRACE,
 175                 "%s shutdown: initiated\n",
 176                 slap_name, 0, 0 );
 177 #endif
 178
 179
 180         slap_sasl_destroy();
 181
 182         /* let backends do whatever cleanup they need to do */
 183         rc = backend_shutdown( be );
 184
 185         return rc;
 186 }
 187
 188 int slap_destroy(void)
 189 {
 190         int rc;
 191
 192 #ifdef NEW_LOGGING
 193         LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
 194                    "slap_destroy: %s freeing system resources.\n",
 195                    slap_name ));
 196 #else
 197         Debug( LDAP_DEBUG_TRACE,
 198                 "%s shutdown: freeing system resources.\n",
 199                 slap_name, 0, 0 );
 200 #endif
 201
 202
 203         rc = backend_destroy();
 204
 205         entry_destroy();
 206
 207         ldap_pvt_thread_destroy();
 208
 209         /* should destory the above mutex */
 210         return rc;
 211 }
 212
 213 /* should create a utils.c for these */
 214 time_t slap_get_time(void)
 215 {
 216         time_t t;
 217         ldap_pvt_thread_mutex_lock( &currenttime_mutex );
 218         time( &t );
 219         ldap_pvt_thread_mutex_unlock( &currenttime_mutex );
 220         return t;
 221 }