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

   1 /* init.c - initialize various things */
   2
   3 #include "portable.h"
   4
   5 #include <stdio.h>
   6
   7 #include <ac/socket.h>
   8 #include <ac/string.h>
   9 #include <ac/time.h>
  10
  11 #include "slap.h"
  12
  13 /*
  14  * read-only global variables or variables only written by the listener
  15  * thread (after they are initialized) - no need to protect them with a mutex.
  16  */
  17 int             slap_debug = 0;
  18
  19 #ifdef LDAP_DEBUG
  20 int             ldap_syslog = LDAP_DEBUG_STATS;
  21 #else
  22 int             ldap_syslog;
  23 #endif
  24
  25 int             ldap_syslog_level = LOG_DEBUG;
  26 struct berval **default_referral = NULL;
  27 int             g_argc;
  28 char            **g_argv;
  29
  30 /*
  31  * global variables that need mutex protection
  32  */
  33 int                             active_threads;
  34 ldap_pvt_thread_mutex_t active_threads_mutex;
  35 ldap_pvt_thread_cond_t  active_threads_cond;
  36
  37 ldap_pvt_thread_mutex_t gmtime_mutex;
  38 #ifdef SLAPD_CRYPT
  39 ldap_pvt_thread_mutex_t crypt_mutex;
  40 #endif
  41
  42 int                             num_conns;
  43 long                    num_ops_initiated;
  44 long                    num_ops_completed;
  45 ldap_pvt_thread_mutex_t num_ops_mutex;
  46
  47 long                    num_entries_sent;
  48 long                    num_refs_sent;
  49 long                    num_bytes_sent;
  50 long                    num_pdu_sent;
  51 ldap_pvt_thread_mutex_t num_sent_mutex;
  52 /*
  53  * these mutexes must be used when calling the entry2str()
  54  * routine since it returns a pointer to static data.
  55  */
  56 ldap_pvt_thread_mutex_t entry2str_mutex;
  57 ldap_pvt_thread_mutex_t replog_mutex;
  58
  59 static char* slap_name;
  60 int slapMode = SLAP_UNDEFINED_MODE;
  61
  62 static ldap_pvt_thread_mutex_t  currenttime_mutex;
  63
  64 int
  65 slap_init( int mode, char *name )
  66 {
  67         int rc;
  68
  69         if( slapMode != SLAP_UNDEFINED_MODE ) {
  70                 Debug( LDAP_DEBUG_ANY,
  71                  "%s init: init called twice (old=%d, new=%d)\n",
  72                  name, slapMode, mode );
  73                 return 1;
  74         }
  75
  76         slapMode = mode;
  77
  78         switch ( slapMode ) {
  79
  80                 case SLAP_SERVER_MODE:
  81                 case SLAP_TOOL_MODE:
  82 #ifdef SLAPD_BDB2
  83                 case SLAP_TIMEDSERVER_MODE:
  84                 case SLAP_TOOLID_MODE:
  85 #endif
  86
  87                         Debug( LDAP_DEBUG_TRACE,
  88                                 "%s init: initiated %s.\n",
  89                                 name, mode == SLAP_TOOL_MODE ? "tool" : "server", 0 );
  90
  91                         slap_name = name;
  92
  93                         (void) ldap_pvt_thread_initialize();
  94
  95                         ldap_pvt_thread_mutex_init( &active_threads_mutex );
  96                         ldap_pvt_thread_cond_init( &active_threads_cond );
  97
  98                         ldap_pvt_thread_mutex_init( &currenttime_mutex );
  99                         ldap_pvt_thread_mutex_init( &entry2str_mutex );
 100                         ldap_pvt_thread_mutex_init( &replog_mutex );
 101                         ldap_pvt_thread_mutex_init( &num_ops_mutex );
 102                         ldap_pvt_thread_mutex_init( &num_sent_mutex );
 103
 104                         ldap_pvt_thread_mutex_init( &gmtime_mutex );
 105 #ifdef SLAPD_CRYPT
 106                         ldap_pvt_thread_mutex_init( &crypt_mutex );
 107 #endif
 108
 109                         rc = backend_init();
 110                         break;
 111
 112                 default:
 113                         Debug( LDAP_DEBUG_ANY,
 114                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 115                         rc = 1;
 116                         break;
 117         }
 118
 119         return rc;
 120 }
 121
 122 int slap_startup(int dbnum)
 123 {
 124         int rc;
 125
 126         Debug( LDAP_DEBUG_TRACE,
 127                 "%s startup: initiated.\n",
 128                 slap_name, 0, 0 );
 129
 130         rc = backend_startup(dbnum);
 131
 132         return rc;
 133 }
 134
 135 int slap_shutdown(int dbnum)
 136 {
 137         int rc;
 138
 139         Debug( LDAP_DEBUG_TRACE,
 140                 "%s shutdown: initiated\n",
 141                 slap_name, 0, 0 );
 142
 143         /* let backends do whatever cleanup they need to do */
 144         rc = backend_shutdown(dbnum);
 145
 146         return rc;
 147 }
 148
 149 int slap_destroy(void)
 150 {
 151         int rc;
 152
 153         Debug( LDAP_DEBUG_TRACE,
 154                 "%s shutdown: freeing system resources.\n",
 155                 slap_name, 0, 0 );
 156
 157         rc = backend_destroy();
 158
 159         ldap_pvt_thread_destroy();
 160
 161         /* should destory the above mutex */
 162         return rc;
 163 }
 164
 165 /* should create a utils.c for these */
 166 time_t slap_get_time(void)
 167 {
 168         time_t t;
 169         ldap_pvt_thread_mutex_lock( &currenttime_mutex );
 170         time( &t );
 171         ldap_pvt_thread_mutex_unlock( &currenttime_mutex );
 172         return t;
 173 }